Initial commit

Java/Microcraft/.gitignore

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+# CUSTOM
+.DS_Store
+*.dmg
+
+# Created by https://www.toptal.com/developers/gitignore/api/intellij,java
+# Edit at https://www.toptal.com/developers/gitignore?templates=intellij,java
+
+### Intellij ###
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/dictionaries
+.idea/**/shelf
+
+# Generated files
+.idea/**/contentModel.xml
+
+# Sensitive or high-churn files
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+
+# Gradle
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# Gradle and Maven with auto-import
+# When using Gradle or Maven with auto-import, you should exclude module files,
+# since they will be recreated, and may cause churn.  Uncomment if using
+# auto-import.
+# .idea/artifacts
+# .idea/compiler.xml
+# .idea/jarRepositories.xml
+# .idea/modules.xml
+# .idea/*.iml
+# .idea/modules
+# *.iml
+# *.ipr
+
+# CMake
+cmake-build-*/
+
+# Mongo Explorer plugin
+.idea/**/mongoSettings.xml
+
+# File-based project format
+*.iws
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# Editor-based Rest Client
+.idea/httpRequests
+
+# Android studio 3.1+ serialized cache file
+.idea/caches/build_file_checksums.ser
+
+### Intellij Patch ###
+# Comment Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-215987721
+
+# *.iml
+# modules.xml
+# .idea/misc.xml
+# *.ipr
+
+# Sonarlint plugin
+# https://plugins.jetbrains.com/plugin/7973-sonarlint
+.idea/**/sonarlint/
+
+# SonarQube Plugin
+# https://plugins.jetbrains.com/plugin/7238-sonarqube-community-plugin
+.idea/**/sonarIssues.xml
+
+# Markdown Navigator plugin
+# https://plugins.jetbrains.com/plugin/7896-markdown-navigator-enhanced
+.idea/**/markdown-navigator.xml
+.idea/**/markdown-navigator-enh.xml
+.idea/**/markdown-navigator/
+
+# Cache file creation bug
+# See https://youtrack.jetbrains.com/issue/JBR-2257
+.idea/$CACHE_FILE$
+
+# CodeStream plugin
+# https://plugins.jetbrains.com/plugin/12206-codestream
+.idea/codestream.xml
+
+### Java ###
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.nar
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+# End of https://www.toptal.com/developers/gitignore/api/intellij,java

Java/Microcraft/.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml

Java/Microcraft/.idea/artifacts/Minicraft_jar.xml

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+<component name="ArtifactManager">
+  <artifact type="jar" name="Minicraft:jar">
+    <output-path>$PROJECT_DIR$/out/artifacts/Minicraft_jar</output-path>
+    <root id="archive" name="Minicraft.jar">
+      <element id="module-output" name="Microcraft" />
+    </root>
+  </artifact>
+</component>

Java/Microcraft/.idea/codeStyles/codeStyleConfig.xml

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+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="PREFERRED_PROJECT_CODE_STYLE" value="Default" />
+  </state>
+</component>

Java/Microcraft/.idea/discord.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DiscordProjectSettings">
+    <option name="show" value="PROJECT_FILES" />
+    <option name="description" value="" />
+  </component>
+</project>

Java/Microcraft/.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_14" default="true" project-jdk-name="14 (2)" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

Java/Microcraft/.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/Microcraft.iml" filepath="$PROJECT_DIR$/Microcraft.iml" />
+    </modules>
+  </component>
+</project>

Java/Microcraft/.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

Java/Microcraft/LICENSE

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+MIT License
+
+Copyright (c) 2020 jdah
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

Java/Microcraft/Microcraft.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/res" type="java-resource" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

Java/Microcraft/README.md

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+# MICROCRAFT
+A Minicraft remake with some neat extras. Beat the fearsome **AIR WIZARD** to win the game!
+
+![screenshot](screen.png)
+
+Some of the neat extras:
+- Mithril (new material)
+- Iron/Gold/Mithril armor
+- Fancy lighting system
+- Skeleton archers
+- Blue and red slimes
+- Cool new air wizard powers
+- Character customization
+- and much more...
+
+## Running
+See [Releases](https://github.com/jdah/microcraft/releases)
+
+See below to build and run for yourself or try to run it out of any decent Java IDE.
+
+*Please note* that in order to run the .jar file directly you will need at least the Java 14 runtime installed. 
+
+## Building
+- Mac: `$ ./package.sh` creates `Microcraft-1.0.dmg` which contains the application MICROCRAFT.app.
+- Windows: `package.bat` creates `MICROCRAFT-1.0.exe` file which installs MICROCRAFT.exe to `C:\Program Files\MICROCRAFT`.
+- With any OS and a valid JDK 14+ install, both `package.{sh, bat}` create `out\artifacts\Microcraft_jar\Microcraft.jar` which can be run on its own with `java -jar out\artifacts\Microcraft_jar\Microcraft.jar`

Java/Microcraft/TODO.txt

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+[X] Rock tools
+[X] Place sand on dirt
+[X] Grass growing
+[X] Unused farmland reverts to dirt
+[X] Crafting bench recipe
+[X] Anvil recipe
+[X] Furnace recipe
+[X] Oven recipe
+[X] Coal item
+[X] Chest recipe
+[X] Stone drops coal
+[X] Furnace recipes require coal
+[X] Ingot recipes
+[X] Oven recipes require wood
+[X] Glass
+[X] Pie
+[X] Stairs
+[X] Multiple level depths
+[X] Iron ore
+[X] Gold ore
+[X] Gem tile
+[X] Gem item
+[X] Mithril ore
+[X] Mithril ingot
+[X] Mithril tools
+[X] Hard rock
+[X] Basalt
+[X] Place rock for cobblestone
+[X] Slime item
+[X] Slime mobs with color/level variation
+[X] Zombie mobs with color/level variation
+[X] Skeleton archer mobs
+[X] Lantern
+[X] Hard rock
+[X] Level gen negative level 1, 2, 3
+[X] Level gen positive level(s?)
+[X] Lava in worldgen
+[X] Iron armor
+[X] Gold armor
+[X] Mithril armor
+[X] Score
+[X] Death screen
+[X] Win screen
+[X] Main menu
+[X] Fix item drop bug (non-stackable items, drop one being held)
+[X] Item instances should have unique IDs
+[X] Keep a stack of last equipped items, when currently equipped item is
+    removed pop ID off the stack instead of defaulting to POW GLOVE
+[X] Furnace/oven smoke particles
+[X] Cacti destroy items
+[X] Click to focus
+[X] Bossfight
+[X] Projectiles should not spawn in front of firing entities

Java/Microcraft/package.bat

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+mkdir out\production\Microcraft
+mkdir out\artifacts\Microcraft_jar
+javac -sourcepath src src\com\jdh\microcraft\Main.java -d out\production\Microcraft
+mkdir out\artifacts\Microcraft\res
+xcopy /s /e res out\production\Microcraft\res
+jar -cmvf src\META-INF\MANIFEST.MF out\artifacts\Microcraft_jar\Microcraft.jar -C out\production\Microcraft\ .
+jpackage --name MICROCRAFT --input out\artifacts\Microcraft_jar\ --main-jar Microcraft.jar --main-class com.jdh.microcraft.Main --resource-dir res --icon res\icon.ico

Java/Microcraft/package.sh

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+do_build=true
+do_icon=true
+
+while getopts 'bi' flag; do
+  case "${flag}" in
+    b) do_build=false ;;
+    i) do_icon=false ;;
+    *) exit 1 ;;
+  esac
+done
+
+# make icon set
+if [ "$do_icon" = true ] ; then
+  # MAC ICON
+  ICONSET=res/icon.iconset
+  ICON=res/icon.png
+  mkdir $ICONSET
+  sips -z 16 16     $ICON --out $ICONSET/icon_16x16.png
+  sips -z 32 32     $ICON --out $ICONSET/icon_16x16@2x.png
+  sips -z 32 32     $ICON --out $ICONSET/icon_32x32.png
+  sips -z 64 64     $ICON --out $ICONSET/icon_32x32@2x.png
+  sips -z 128 128   $ICON --out $ICONSET/icon_128x128.png
+  sips -z 256 256   $ICON --out $ICONSET/icon_128x128@2x.png
+  sips -z 256 256   $ICON --out $ICONSET/icon_256x256.png
+  sips -z 512 512   $ICON --out $ICONSET/icon_256x256@2x.png
+  sips -z 512 512   $ICON --out $ICONSET/icon_512x512.png
+  sips -z 1024 1024 $ICON --out $ICONSET/icon_512x512@32x.png
+  iconutil -c icns $ICONSET
+
+  # WINDOWS ICON
+  ICON_WIN=res/icon.ico
+  convert $ICONSET/icon_16x16.png\
+    $ICONSET/icon_32x32.png\
+    $ICONSET/icon_32x32@2x.png\
+    $ICONSET/icon_128x128.png\
+    $ICONSET/icon_256x256.png\
+    $ICON_WIN
+
+  rm -R $ICONSET
+fi
+
+if [ "$do_build" =  true ] ; then
+  mkdir -p out/production/Microcraft
+  mkdir -p out/artifacts/Microcraft_jar
+  $JAVA_HOME/bin/javac -sourcepath src src/com/jdh/microcraft/Main.java -d out/production/Microcraft
+  cp -r res/ out/production/Microcraft/
+  $JAVA_HOME/bin/jar -cmvf src/META-INF/MANIFEST.MF out/artifacts/Microcraft_jar/Microcraft.jar -C out/production/Microcraft/ .
+  $JAVA_HOME/bin/jpackage --name MICROCRAFT --input out/artifacts/Microcraft_jar/\
+    --main-jar Microcraft.jar --main-class com.jdh.microcraft.Main --resource-dir res --icon res/icon.icns
+fi

Java/Microcraft/src/META-INF/MANIFEST.MF

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+Manifest-Version: 1.0
+Main-Class: com.jdh.microcraft.Main
+

Java/Microcraft/src/com/jdh/microcraft/GameState.java

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+package com.jdh.microcraft;
+
+import com.jdh.microcraft.entity.EntityPlayer;
+import com.jdh.microcraft.entity.SpawnProperties;
+import com.jdh.microcraft.entity.mob.EntityAirWizard;
+import com.jdh.microcraft.gfx.Font;
+import com.jdh.microcraft.gfx.Renderer;
+import com.jdh.microcraft.gui.*;
+import com.jdh.microcraft.item.Item;
+import com.jdh.microcraft.item.ItemStack;
+import com.jdh.microcraft.level.Level;
+import com.jdh.microcraft.level.gen.LevelGenerator;
+import com.jdh.microcraft.level.tile.Tile;
+import com.jdh.microcraft.sound.Sound;
+import com.jdh.microcraft.util.ControlHandler;
+import com.jdh.microcraft.util.Time;
+import com.jdh.microcraft.util.Window;
+
+public class GameState implements State {
+    private static final int LEVEL_DEPTH_OFFSET = LevelGenerator.UNDERWORLD_LEVELS;
+
+    // all world levels
+    private final Level[] levels = new Level[LevelGenerator.OVERWORLD_LEVELS + LevelGenerator.UNDERWORLD_LEVELS];
+
+    // current level depth, ranges from [-UNDERWORLD_LEVELS, OVERWORLD_LEVELS)
+    private int levelDepth;
+
+    // global, must be kept on game state to keep unique across levels
+    private int nextEntityId, nextItemInstanceId;
+
+    // overall game difficulty multiplier
+    public double difficulty;
+
+    public int score;
+    public long playerDiedTicks;
+
+    public HUD hud;
+    public Menu menu;
+
+    private final int playerColor;
+
+    public GameState(double difficulty, int playerColor) {
+        this.difficulty = difficulty;
+        this.playerColor = playerColor;
+        this.nextEntityId = 1;
+        this.nextItemInstanceId = 1;
+        this.score = 0;
+        this.playerDiedTicks = 0;
+    }
+
+    public void init() {
+        // generate levels
+        for (int i = 0; i < levels.length; i++) {
+            this.levels[i] = new Level(Global.ticks + Time.now() + i, i - LEVEL_DEPTH_OFFSET, 256, 256);
+            LevelGenerator.getGenerator(this.levels[i]).generate();
+        }
+
+        // generate stairs
+        Global.mainMenu.loadingMenu.setProgress(
+                Font.Colors.YELLOW + "PLACING STAIRS...", 0.0);
+        for (int i = 0; i < levels.length - 1; i++) {
+            LevelGenerator.getStairsGenerator(this.levels[i], this.levels[i + 1]).generate();
+            Global.mainMenu.loadingMenu.setProgress(i / (double) levels.length);
+        }
+
+        // spawn entities
+        Global.mainMenu.loadingMenu.setProgress(
+            Font.Colors.YELLOW + "SPAWNING...", 0.0);
+        for (int i = 0; i < levels.length; i++) {
+            Level level = this.levels[i];
+
+            level.addEntitySpawns(SpawnProperties.getSpawnProperties(level));
+            level.populate();
+
+            if (level.depth == 1) {
+                EntityAirWizard wizard = new EntityAirWizard(level);
+                level.spawnOnTile(wizard, Tile.CLOUD.id, level.width / 2, (level.height / 2) - 6);
+            }
+
+            Global.mainMenu.loadingMenu.setProgress(i / (double) levels.length);
+        }
+
+        // spawn player in overworld
+        Level level = this.getLevel(0);
+        this.setLevel(level.depth);
+
+        EntityPlayer player = new EntityPlayer(level, playerColor);
+        this.hud = new HUD(player);
+
+        player.x = Level.toPixel(level.width / 2);
+        player.y = Level.toPixel((level.height / 2) + 1);
+        player.updateCamera();
+        level.addEntity(player);
+
+        this.setMenu(new WelcomeMenu());
+    }
+
+    @Override
+    public void tick() {
+        if (!Window.hasFocus()) {
+            if (!(this.menu instanceof FocusMenu)) {
+                this.setMenu(new FocusMenu(this.menu));
+            }
+
+            return;
+        }
+
+        // death screen
+        if (!(this.menu instanceof LoseMenu) &&
+            this.playerDiedTicks != 0 &&
+            (this.playerDiedTicks + 120) <= Global.ticks) {
+            Sound.LOSE.play();
+            this.setMenu(new LoseMenu());
+        }
+
+        this.hud.tick();
+
+        if (this.menu != null) {
+            Menu oldMenu = this.menu;
+            this.menu.tick();
+
+            // interact pressed + nothing closed = close the current menu
+            if (oldMenu == this.menu &&
+                ControlHandler.INTERACT.pressedTick()) {
+                this.setMenu(null);
+            }
+        } else {
+            this.getCurrentLevel().tick();
+
+            // don't allow toggles on ticks where a new menu was opened
+            if (this.menu != null) {
+                return;
+            }
+        }
+
+        // menu controls
+        if (ControlHandler.MENU_QUIT.pressedTick()) {
+            if (this.menu == null) {
+                this.setMenu(new PauseMenu());
+            } else {
+                // quit the current menu
+                Global.game.setMenu(null);
+            }
+        }
+    }
+
+    @Override
+    public void update() {
+        if (this.menu != null) {
+            this.menu.update();
+        } else {
+            this.getCurrentLevel().update();
+        }
+
+        this.hud.update();
+    }
+
+    @Override
+    public void render() {
+        Level level = this.getCurrentLevel();
+        level.render();
+        Renderer.clearLights();
+
+        if (level.depth < 0) {
+            Renderer.addLights(this.getCurrentLevel().getLights(Renderer.getAABB()));
+            Renderer.light(-111);
+        }
+
+        Renderer.pushCamera();
+        Renderer.camera.tx = 0;
+        Renderer.camera.ty = 0;
+        this.hud.render();
+
+        if (this.menu != null) {
+            this.menu.render();
+        }
+        Renderer.popCamera();
+    }
+
+    public void setMenu(Menu menu) {
+        if (this.menu != null) {
+            this.menu.destroy();
+        }
+
+        if (menu != null) {
+            menu.init();
+        }
+
+        this.menu = menu;
+    }
+
+    public Menu getMenu() {
+        return this.menu;
+    }
+
+    public Level getCurrentLevel() {
+        return this.levels[this.levelDepth + LEVEL_DEPTH_OFFSET];
+    }
+
+    public Level getLevel(int depth) {
+        assert (this.isDepthValid(depth));
+        return this.levels[depth + LEVEL_DEPTH_OFFSET];
+    }
+
+    public void setLevel(int depth) {
+        assert (this.isDepthValid(depth));
+        this.levelDepth = depth;
+    }
+
+    public boolean isDepthValid(int depth) {
+        return depth >= -LEVEL_DEPTH_OFFSET && depth < LevelGenerator.OVERWORLD_LEVELS;
+    }
+
+    public int getNextEntityId() {
+        return this.nextEntityId++;
+    }
+
+    public int getNextItemInstanceId() {
+        return this.nextItemInstanceId++;
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/Global.java

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+package com.jdh.microcraft;
+
+import com.jdh.microcraft.gfx.Color;
+import com.jdh.microcraft.gfx.Renderer;
+import com.jdh.microcraft.gui.mainmenu.MainMenu;
+import com.jdh.microcraft.sound.Sound;
+import com.jdh.microcraft.util.Time;
+import com.jdh.microcraft.util.Window;
+
+import java.util.Random;
+
+// Encapsulates (statically) all game state
+public class Global {
+    public enum StateType {
+        MENU, GAME
+    }
+
+    public static StateType currentStateType;
+    public static GameState game;
+    public static MainMenuState mainMenu;
+    public static State currentState;
+    public static Random random = new Random(Time.now());
+    public static long ticks = 0, frames = 0;
+
+    public static void setState(StateType state) {
+        Global.currentStateType = state;
+
+        Renderer.reset();
+
+        switch (state) {
+            case GAME -> {
+                Sound.START.play();
+                Global.game = new GameState(
+                    Global.mainMenu.difficultySelectMenu.getSelectedDifficulty(),
+                    Color.get(
+                        Global.mainMenu.colorSelectMenu.colors
+                    ));
+                Global.mainMenu.menu = Global.mainMenu.loadingMenu;
+                Global.mainMenu.loadingMenu.setProgress("LOADING", 0.0);
+                Global.game.init();
+                Global.currentState = Global.game;
+            }
+            case MENU -> {
+                Global.game = null;
+                Global.mainMenu.mainMenu = new MainMenu();
+                Global.mainMenu.menu = Global.mainMenu.mainMenu;
+                Global.currentState = Global.mainMenu;
+            }
+        }
+    }
+
+    public static void setLoadingInfo(String text, double progress) {
+        Global.mainMenu.loadingMenu.progress = progress;
+        Global.mainMenu.loadingMenu.text = text;
+
+        Renderer.clear();
+        Global.mainMenu.loadingMenu.render();
+        Window.renderFrame();
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/Main.java

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+package com.jdh.microcraft;
+
+import com.jdh.microcraft.gfx.Renderer;
+import com.jdh.microcraft.util.Keyboard;
+import com.jdh.microcraft.util.Window;
+
+import java.awt.*;
+import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.nio.file.FileSystemNotFoundException;
+import java.nio.file.Paths;
+import java.nio.file.spi.FileSystemProvider;
+import java.util.Map;
+import java.util.Optional;
+
+public class Main implements Runnable {
+    public static void main(String[] args) {
+        System.out.println("CWD is " + Paths.get("").toAbsolutePath().toString());
+
+        // initialize FS
+        Optional<URI> testURI = Optional.ofNullable(Main.class.getResource("/tiles.png")).map(url -> {
+            try {
+                return url.toURI();
+            } catch (URISyntaxException e) {
+                throw new Error(e);
+            }
+        });
+
+        if (testURI.isPresent() && testURI.get().getScheme().equals("jar")) {
+            for (FileSystemProvider provider : FileSystemProvider.installedProviders()) {
+                if (provider.getScheme().equalsIgnoreCase("jar")) {
+                    try {
+                        provider.getFileSystem(testURI.get());
+                    } catch (FileSystemNotFoundException e) {
+                        try {
+                            provider.newFileSystem(testURI.get(), Map.of());
+                        } catch (IOException ioe) {
+                            throw new Error(ioe);
+                        }
+                    }
+                }
+            }
+        }
+
+        Dimension screen = Toolkit.getDefaultToolkit().getScreenSize();
+        Window.init("MICROCRAFT", screen.width / 2, screen.height / 2);
+        new Thread(new Main()).start();
+    }
+
+    @Override
+    public void run() {
+        try {
+            Window.loop(
+                this::init,
+                this::destroy,
+                this::tick,
+                this::update,
+                this::render
+            );
+        } catch (Exception e) {
+            e.printStackTrace();
+            System.exit(1);
+        }
+    }
+
+    private void init() {
+        Global.mainMenu = new MainMenuState();
+        Global.currentState = Global.mainMenu;
+    }
+
+    private void destroy() {
+
+    }
+
+    private void tick() {
+        Global.ticks++;
+        Keyboard.tick();
+        Global.currentState.tick();
+    }
+
+    private void update() {
+        Keyboard.update();
+        Global.currentState.update();
+    }
+
+    private void render() {
+        Global.frames++;
+        Renderer.clear();
+        Global.currentState.render();
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/MainMenuState.java

@@ -0,0 +1,45 @@
+package com.jdh.microcraft;
+
+import com.jdh.microcraft.gui.ColorSelectMenu;
+import com.jdh.microcraft.gui.DifficultySelectMenu;
+import com.jdh.microcraft.gui.Menu;
+import com.jdh.microcraft.gui.mainmenu.AboutMenu;
+import com.jdh.microcraft.gui.mainmenu.HowToPlayMenu;
+import com.jdh.microcraft.gui.mainmenu.LoadingMenu;
+import com.jdh.microcraft.gui.mainmenu.MainMenu;
+
+public class MainMenuState implements State {
+    public Menu menu;
+
+    public MainMenu mainMenu;
+    public LoadingMenu loadingMenu;
+    public HowToPlayMenu howToPlayMenu;
+    public AboutMenu aboutMenu;
+    public ColorSelectMenu colorSelectMenu;
+    public DifficultySelectMenu difficultySelectMenu;
+
+    public MainMenuState() {
+        this.mainMenu = new MainMenu();
+        this.loadingMenu = new LoadingMenu();
+        this.howToPlayMenu = new HowToPlayMenu();
+        this.aboutMenu = new AboutMenu();
+        this.colorSelectMenu = new ColorSelectMenu();
+        this.difficultySelectMenu = new DifficultySelectMenu();
+        this.menu = this.mainMenu;
+    }
+
+    @Override
+    public void tick() {
+        this.menu.tick();
+    }
+
+    @Override
+    public void update() {
+        this.menu.update();
+    }
+
+    @Override
+    public void render() {
+        this.menu.render();
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/State.java

@@ -0,0 +1,7 @@
+package com.jdh.microcraft;
+
+public interface State {
+    void tick();
+    void update();
+    void render();
+}

Java/Microcraft/src/com/jdh/microcraft/entity/Entity.java

@@ -0,0 +1,235 @@
+package com.jdh.microcraft.entity;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.entity.ai.AI;
+import com.jdh.microcraft.gfx.Light;
+import com.jdh.microcraft.level.Level;
+import com.jdh.microcraft.level.LevelEntityMetadata;
+import com.jdh.microcraft.level.tile.Tile;
+import com.jdh.microcraft.level.tile.TileLiquid;
+import com.jdh.microcraft.level.tile.TileStair;
+import com.jdh.microcraft.util.Direction;
+import com.jdh.microcraft.util.FMath;
+
+import java.util.List;
+
+public class Entity {
+    // current location
+    public int x, y;
+
+    // size
+    public int width, height;
+
+    // level this entity belongs to
+    public Level level;
+
+    // set to true on ticks where entity moves
+    public boolean moving;
+
+    // set to true if the entity is in a liquid
+    public boolean swimming;
+
+    // true if the entity is currently on stairs (onStairs) or has entered stairs this tick (onStairsTick)
+    public boolean onStairs;
+
+    // metadata about this entity, tracked by the current level
+    public final LevelEntityMetadata metadata;
+
+    // current tile locations, managed by Level
+    // location of CENTER of entity
+    public int tileX = -1, tileY = -1;
+
+    // unique entity id
+    public final int id;
+
+    // entity AI, optional
+    public AI ai;
+
+    // current direction and direction last tick
+    protected Direction direction = Direction.DOWN;
+    private Direction lastDirection;
+
+    // positions at the LAST tick
+    private int lastX, lastY;
+
+    // knockback velocity
+    private double kx, ky;
+
+    public Entity(Level level) {
+        this.level = level;
+        this.id = Global.game.getNextEntityId();
+        this.width = 6;
+        this.height = 6;
+        this.metadata = new LevelEntityMetadata(this);
+    }
+
+    public Direction getDirection() {
+        return this.direction;
+    }
+
+    public Light getLight() {
+        return null;
+    }
+
+    public void remove() {
+        this.metadata.remove = true;
+    }
+
+    // schedules this entity to be moved to another level on the next tick
+    public void moveLevel(int depth, int x, int y) {
+        this.metadata.moveLevel(depth, x,  y);
+    }
+
+    // called when this entity moves between levels
+    public void onDepthChange(int prevDepth) {
+
+    }
+
+    public void knockback(double strength, Direction d) {
+        this.knockback(strength, d.x, d.y);
+    }
+
+    public void knockback(double strength, int x, int y) {
+        this.kx = Math.signum(x) * strength;
+        this.ky = Math.signum(y) * strength;
+    }
+
+    public int getRenderOffsetX() {
+        return 0;
+    }
+
+    public int getRenderOffsetY() {
+        return 0;
+    }
+
+    protected void onDirectionChange() {
+
+    }
+
+    public void tick() {
+        this.moving = this.lastX != this.x || this.lastY != this.y;
+
+        int dx = this.x - this.lastX, dy = this.y - this.lastY;
+        if (dx != 0 || dy != 0) {
+            this.direction = Direction.get(dx, dy);
+        }
+
+        if (this.direction != this.lastDirection) {
+            this.onDirectionChange();
+        }
+
+        this.lastDirection = this.direction;
+
+        this.lastX = this.x;
+        this.lastY = this.y;
+        this.swimming = Tile.TILES[this.level.getTile(this.tileX, this.tileY)] instanceof TileLiquid;
+        this.onStairs = Tile.TILES[this.level.getTile(this.tileX, this.tileY)] instanceof TileStair;
+
+        // apply knockback
+        this.move(
+            FMath.tickedDoubleToInt(Global.ticks, this.kx),
+            FMath.tickedDoubleToInt(Global.ticks, this.ky)
+        );
+        this.kx *= 0.85;
+        this.ky *= 0.85;
+
+        if (this.ai != null) {
+            this.ai.tick();
+        }
+    }
+
+    public void update() {
+        if (this.ai != null) {
+            this.ai.update();
+        }
+    }
+
+    public void render() {
+
+    }
+
+    public boolean collides(Entity e) {
+        return true;
+    }
+
+    public void collide(Entity e) {
+
+    }
+
+    // called if THIS entity hits E
+    public boolean hit(Entity e)  {
+        return false;
+    }
+
+    // called when E hits THIS entity
+    public void onHit(Entity e) {
+
+    }
+
+    public boolean interact(Entity e) {
+        return false;
+    }
+
+    public void move(int dx, int dy) {
+        this.moveAxis(dx, 0);
+        this.moveAxis(0, dy);
+    }
+
+    // moves along a single axis
+    protected boolean moveAxis(int dx, int dy) {
+        assert(dx == 0 || dy == 0);
+        int ox = this.x, oy = this.y;
+        this.x += dx;
+        this.y += dy;
+
+        // deny any movement that would move this entity off of the map
+        if (this.x < 0 || this.y < 0 ||
+            (this.x + this.width) >= Level.toPixel(this.level.width) ||
+            (this.y + this.height >= Level.toPixel(this.level.height))) {
+            this.x = ox;
+            this.y = oy;
+            return false;
+        }
+
+        List<Entity> entities = level.getEntityCollisions(this);
+        for (Entity e : entities) {
+            if (e != this && this.collides(e) && e.collides(this)) {
+                this.collide(e);
+                e.collide(this);
+
+                // deny movement if it is TOWARDS the colliding entity
+                if ((dx != 0 && FMath.sameSign(dx, e.x - this.x)) ||
+                    (dy != 0 && FMath.sameSign(dy, e.y - this.y))) {
+                    this.x = ox;
+                    this.y = oy;
+                    return false;
+                }
+            }
+        }
+
+        for (int[] p : level.getTileCollisions(this)) {
+            Tile t = Tile.TILES[level.getTile(p[0], p[1])];
+            t.bump(level, p[0], p[1], this);
+
+            if (t.collides(level, p[0], p[1], this)) {
+                this.x = ox;
+                this.y = oy;
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    public boolean canSwimIn(Tile tile, int x, int y) {
+        return false;
+    }
+
+    public int getCenterX() {
+        return this.x + (this.width / 2);
+    }
+
+    public int getCenterY() {
+        return this.y + (this.height / 2);
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/EntityItem.java

@@ -0,0 +1,115 @@
+package com.jdh.microcraft.entity;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.entity.mob.EntityMob;
+import com.jdh.microcraft.entity.projectile.EntityProjectile;
+import com.jdh.microcraft.item.ItemStack;
+import com.jdh.microcraft.level.Level;
+import com.jdh.microcraft.util.Direction;
+import com.jdh.microcraft.util.Time;
+
+public class EntityItem extends Entity {
+    public final ItemStack stack;
+    public int timeToLive, timeToPickup;
+
+    private int z;
+    private double vx, vy, vz, dx, dy;
+
+    public EntityItem(Level level, ItemStack stack, int x, int y, double vx, double vy, double vz) {
+        super(level);
+        this.stack = stack;
+        this.x = x;
+        this.y = y;
+        this.z = 4;
+        this.vx = vx;
+        this.vy = vy;
+        this.vz = vz;
+        this.dx = 0;
+        this.dy = 0;
+        this.timeToLive = Time.TPS * (180 + Global.random.nextInt(60));
+        this.timeToPickup = 20;
+        this.width = 8;
+        this.height = 8;
+    }
+
+    @Override
+    public boolean collides(Entity e) {
+        return e instanceof EntityMob ?
+            ((EntityMob) e).canPickup(this) && this.timeToPickup == 0 :
+            !(e instanceof EntityItem);
+    }
+
+    public static EntityItem spawn(Level level, ItemStack stack, int x, int y, Direction d) {
+        Global.random.setSeed(stack.hashCode() + (x * 31) ^ (y * 17));
+        EntityItem result = new EntityItem(
+            level, stack, x, y,
+            d.x * (0.5 + Global.random.nextDouble() * 0.1),
+            d.y * (0.5 + Global.random.nextDouble() * 0.1),
+            1.0 + (Global.random.nextDouble() * 0.2)
+        );
+        level.addEntity(result);
+        return result;
+    }
+
+    public static EntityItem spawn(Level level, ItemStack stack, int x, int y) {
+        Global.random.setSeed(stack.hashCode() + (x * 31) ^ (y * 17));
+        EntityItem result = new EntityItem(
+            level, stack, x, y,
+            (Global.random.nextBoolean() ? -1.0 : 1.0) * (0.3 + Global.random.nextDouble() * 0.1),
+            (Global.random.nextBoolean() ? -1.0 : 1.0) * (0.3 + Global.random.nextDouble() * 0.1),
+            1.0 + (Global.random.nextDouble() * 0.2)
+        );
+        level.addEntity(result);
+        return result;
+    }
+
+    public boolean canPickup(Entity e) {
+        return this.timeToPickup == 0;
+    }
+
+    @Override
+    public void tick() {
+        super.tick();
+
+        if (--this.timeToLive == 0) {
+            this.remove();
+        }
+
+        this.timeToPickup = Math.max(this.timeToPickup - 1, 0);
+
+        this.dx += this.vx;
+        this.dy += this.vy;
+
+        while (Math.abs(this.dx) >= 1.0) {
+            if (!this.moveAxis((int) Math.signum(this.dx), 0)) {
+                this.vx *= -0.8;
+            }
+            this.dx += -Math.signum(this.dx);
+        }
+
+        while (Math.abs(this.dy) >= 1.0) {
+            if (!this.moveAxis(0, (int) Math.signum(this.dy))) {
+                this.vy *= -0.8;
+            }
+            this.dy += -Math.signum(this.dy);
+        }
+
+        this.z += this.vz;
+
+        // bounce
+        if (this.z < 0) {
+            this.z = 0;
+            this.vx *= 0.4;
+            this.vy *= 0.4;
+            this.vz *= -0.6;
+        }
+
+        // gravity
+        this.vz -= 0.2;
+    }
+
+    @Override
+    public void render() {
+        this.stack.instance.item.render(this.stack.instance, this.level, this.x, this.y);
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/EntityPlayer.java

@@ -0,0 +1,289 @@
+package com.jdh.microcraft.entity;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.entity.mob.EntityHumanoid;
+import com.jdh.microcraft.entity.particle.EntitySmashParticle;
+import com.jdh.microcraft.gfx.Color;
+import com.jdh.microcraft.gfx.Light;
+import com.jdh.microcraft.gfx.Renderer;
+import com.jdh.microcraft.gui.PlayerInventoryMenu;
+import com.jdh.microcraft.gui.TransitionMenu;
+import com.jdh.microcraft.gui.crafting.InventoryCraftingMenu;
+import com.jdh.microcraft.item.Inventory;
+import com.jdh.microcraft.item.Item;
+import com.jdh.microcraft.item.ItemInstance;
+import com.jdh.microcraft.item.ItemStack;
+import com.jdh.microcraft.item.consumable.ItemConsumable;
+import com.jdh.microcraft.item.tool.ItemTool;
+import com.jdh.microcraft.level.Level;
+import com.jdh.microcraft.level.tile.Tile;
+import com.jdh.microcraft.sound.Sound;
+import com.jdh.microcraft.util.ControlHandler;
+import com.jdh.microcraft.util.Direction;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+public class EntityPlayer extends EntityHumanoid {
+    // maintains a list of the previous N equipped items, used so when
+    // this.equipped is null we can go back to the last existing item from this
+    // list in the player's current inventory. fx.:
+    // - player has sword equipped
+    // - player picks up lantern, lantern is equipped
+    // - player puts down lantern
+    // - sword should be re-equipped
+    private final List<Integer> lastEquippedItems;
+
+    private final int color;
+
+    public EntityPlayer(Level level, int color) {
+        super(level, new Inventory(256));
+        this.lastEquippedItems = new ArrayList<>();
+        this.color = color;
+
+        ItemStack glove = new ItemStack(new ItemInstance(Item.GLOVE, 0), 1);
+        this.inventory.add(glove);
+        this.equipped = glove;
+    }
+
+    @Override
+    public boolean hurt(int amount, boolean ignoreArmor) {
+        if (super.hurt(amount, ignoreArmor)) {
+            Sound.PLAYER_HURT.play();
+            return true;
+        }
+
+        return false;
+    }
+
+    @Override
+    public Light getLight() {
+        Light parent = super.getLight();
+        return parent != null ? parent : new Light(
+            this.x + (this.width / 2),
+            this.y + (this.height / 2),
+            2
+        );
+    }
+
+    @Override
+    public void die() {
+        super.die();
+        EntitySmashParticle.spawn(
+            this.level,
+            this.getCenterX(), this.getCenterY(),
+            this.getColor(),
+            10, 30
+        );
+        Global.game.playerDiedTicks = Global.ticks;
+    }
+
+    @Override
+    public boolean canPickup(EntityItem e) {
+        return true;
+    }
+
+    @Override
+    public void pickup(ItemStack stack) {
+        super.pickup(stack);
+        Sound.PICKUP.play();
+        Global.game.score++;
+    }
+
+    @Override
+    public void onDepthChange(int prevDepth) {
+        super.onDepthChange(prevDepth);
+        Global.game.setLevel(this.level.depth);
+        Global.game.setMenu(new TransitionMenu());
+    }
+
+    @Override
+    public void tick() {
+        super.tick();
+
+        // track currently equipped item
+        if (this.equipped != null &&
+            (this.lastEquippedItems.size() == 0 ||
+                this.lastEquippedItems.get(0) != this.equipped.instance.id)) {
+            this.lastEquippedItems.add(0, this.equipped.instance.id);
+        }
+
+        // if nothing is equipped, try to equip previously equipped items
+        // if there are no previous items to equip, equip the POW GLOVE
+        if (this.equipped == null) {
+            while (this.lastEquippedItems.size() != 0 && this.equipped == null) {
+                this.equipped = this.inventory.findByInstanceId(
+                    this.lastEquippedItems.remove(0));
+            }
+
+            if (this.equipped == null) {
+                this.equipped = this.inventory.find(Item.GLOVE);
+            }
+        }
+
+        // crafting menu
+        if (ControlHandler.TOGGLE_CRAFTING.pressedTick()) {
+            Global.game.setMenu(new InventoryCraftingMenu(this));
+            return;
+        }
+
+        // item dropping
+        if (ControlHandler.DROP.pressedTick() &&
+            this.equipped != null &&
+            this.equipped.instance.item.isDroppable()) {
+            this.drop(this.equipped);
+        }
+
+        // get tile player is currently facing
+        int fx = this.getFacingTileX(), fy = this.getFacingTileY();
+        Tile ft = Tile.TILES[level.getTile(fx, fy)];
+
+        // entities in this tile and the tile being faced, excluding this one
+        List<Entity> facingEntities = Stream.concat(
+            level.getEntities(this.tileX, this.tileY).stream(),
+            level.getEntities(fx, fy).stream()
+        ).filter(e -> e != this).collect(Collectors.toList());
+
+        if (ControlHandler.INTERACT.pressedTick()) {
+            boolean interactEntity = false, interactTile = false;
+
+            if (!this.swimming) {
+                // try to interact with facing entities
+                for (Entity e : facingEntities) {
+                    interactEntity |= e.interact(this);
+                }
+
+                // interact with facing tile if no entities were interacted with
+                if (!interactEntity) {
+                    interactTile = ft.interact(this.level, fx, fy, this);
+                }
+            }
+
+            // toggle inventory
+            if (!interactEntity && !interactTile) {
+                Global.game.setMenu(new PlayerInventoryMenu(this, true));
+                return;
+            }
+        }
+
+        if (!this.swimming && ControlHandler.HIT.pressedTick()) {
+            this.updateAnimationFrame(true);
+
+            boolean hitEntity = false;
+            for (Entity e : facingEntities) {
+                if (this.hit(e)) {
+                    e.onHit(this);
+                    hitEntity = true;
+                }
+            }
+
+            if (hitEntity) {
+                this.animateAction();
+            } else if (this.equipped.instance.item instanceof ItemConsumable) {
+                this.equipped.instance.item.use(this.equipped.instance, level, this.tileX, this.tileY, this);
+            } else if (this.equipped.instance.item instanceof ItemTool) {
+                // try to use the active tool on the facing tile
+                ItemTool tool = (ItemTool) this.equipped.instance.item;
+                boolean ideal = (ft.getIdealTools() & tool.type) != 0,
+                    usable = (ft.getUsableTools() & tool.type) != 0;
+
+                if (ideal || usable) {
+                    int staminaCost = (int) (tool.getStaminaCostMultiplier() *
+                        (ideal ?
+                            (1 + Global.random.nextInt(2)) :
+                            (3 + Global.random.nextInt(3))));
+                    if (this.takeStamina(staminaCost)) {
+                        Item equippedItem = this.equipped.instance.item;
+                        if (ft.hit(this.level, fx, fy, this)) {
+                            this.animateHit(equippedItem, fx, fy);
+                        } else {
+                            // give stamina back if hit failed
+                            this.stamina += staminaCost;
+                        }
+                    }
+                }
+            } else {
+                // try to use the active item on the facing tile
+                Item equippedItem = this.equipped.instance.item;
+                if (equippedItem.use(this.equipped.instance, level, fx, fy, this)) {
+                    this.animateHit(equippedItem, fx, fy);
+                }
+            }
+
+            if (this.hitTicks == 0 && !hitEntity) {
+                // no hit? animate an action
+                this.animateAction();
+                Sound.MISS.play();
+            } else {
+                Sound.HIT.play();
+            }
+        }
+
+        int dx = 0, dy = 0;
+
+        if (ControlHandler.UP.down()) {
+            dy--;
+        }
+
+        if (ControlHandler.DOWN.down()) {
+            dy++;
+        }
+
+        if (ControlHandler.LEFT.down()) {
+            dx--;
+        }
+
+        if (ControlHandler.RIGHT.down()) {
+            dx++;
+        }
+
+        if (!this.swimming || Global.ticks % 2 == 0) {
+            this.move(dx, dy);
+        }
+
+        // override entity direction, the player should be able to change their
+        // direction even when stationary
+        if (dx != 0 || dy != 0) {
+            this.direction = Direction.get(dx, dy);
+        }
+
+        // center camera on the player
+        this.updateCamera();
+    }
+
+    // updates current renderer camera to track the player
+    public void updateCamera() {
+        Renderer.camera.centerOn(
+            this.x + (this.width / 2), this.y + (this.height / 2),
+            0, 0,
+            Level.toPixel(this.level.width), Level.toPixel(this.level.height)
+        );
+    }
+
+    @Override
+    public double getStaminaRechargeRate() {
+        return 0.11;
+    }
+
+    @Override
+    public int getMaxStamina() {
+        return 10;
+    }
+
+    @Override
+    public int getMaxHealth() {
+        return 10;
+    }
+
+    @Override
+    public int getColor() {
+        return this.color;
+    }
+
+    @Override
+    public int getHurtColor() {
+        return Color.addAll(this.color, 222);
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/SpawnProperties.java

@@ -0,0 +1,61 @@
+package com.jdh.microcraft.entity;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.entity.mob.EntitySkeleton;
+import com.jdh.microcraft.entity.mob.EntitySlime;
+import com.jdh.microcraft.entity.mob.EntityZombie;
+import com.jdh.microcraft.level.Level;
+
+import java.util.List;
+import java.util.function.Function;
+
+public class SpawnProperties {
+    public final Class<? extends Entity> cls;
+    public final Function<Level, Entity> spawnFunction;
+    public final int chance, cap;
+
+    // chance is spawn rate/minute
+    // cap and chance are per 128x128 area
+    public SpawnProperties(Level level, Class<? extends Entity> cls, Function<Level, Entity> spawnFunction, int chance, int cap) {
+        this.cls = cls;
+        this.spawnFunction = spawnFunction;
+
+        double scale = ((level.width * level.height) / (128.0 * 128.0)) * Global.game.difficulty;
+        this.chance = (int) (chance * scale);
+        this.cap = (int) (cap * scale);
+    }
+
+    public static List<SpawnProperties> getSpawnProperties(Level level) {
+        return switch (level.depth) {
+            case 1 -> List.of(
+                new SpawnProperties(level, EntitySlime.class, EntitySlime::createBlueSlime, 50, 4),
+                new SpawnProperties(level, EntitySkeleton.class, EntitySkeleton::createSkeleton, 100, 4)
+            );
+            case 0 -> List.of(
+                new SpawnProperties(level, EntitySlime.class, EntitySlime::createGreenSlime, 300, 24),
+                new SpawnProperties(level, EntityZombie.class, EntityZombie::createEasyZombie, 80, 3)
+            );
+            case -1 -> List.of(
+                new SpawnProperties(level, EntitySlime.class, EntitySlime::createGreenSlime, 200, 24),
+                new SpawnProperties(level, EntitySlime.class, EntitySlime::createBlueSlime, 100, 4),
+                new SpawnProperties(level, EntityZombie.class, EntityZombie::createEasyZombie, 200, 20),
+                new SpawnProperties(level, EntitySkeleton.class, EntitySkeleton::createSkeleton, 200, 24)
+            );
+            case -2 -> List.of(
+                new SpawnProperties(level, EntitySlime.class, EntitySlime::createGreenSlime, 200, 32),
+                new SpawnProperties(level, EntitySlime.class, EntitySlime::createBlueSlime, 220, 32),
+                new SpawnProperties(level, EntitySlime.class, EntitySlime::createRedSlime, 80, 4),
+                new SpawnProperties(level, EntityZombie.class, EntityZombie::createMediumZombie, 200, 24),
+                new SpawnProperties(level, EntitySkeleton.class, EntitySkeleton::createSkeleton, 250, 24)
+            );
+            case -3 -> List.of(
+                new SpawnProperties(level, EntitySlime.class, EntitySlime::createGreenSlime, 100, 32),
+                new SpawnProperties(level, EntitySlime.class, EntitySlime::createBlueSlime, 100, 32),
+                new SpawnProperties(level, EntitySlime.class, EntitySlime::createRedSlime, 400, 32),
+                new SpawnProperties(level, EntityZombie.class, EntityZombie::createHardZombie, 250, 32),
+                new SpawnProperties(level, EntitySkeleton.class, EntitySkeleton::createSkeleton, 250, 32)
+            );
+            default -> List.of();
+        };
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/ai/AI.java

@@ -0,0 +1,19 @@
+package com.jdh.microcraft.entity.ai;
+
+import com.jdh.microcraft.entity.Entity;
+
+public class AI {
+    protected final Entity entity;
+
+    public AI(Entity entity) {
+        this.entity = entity;
+    }
+
+    public void tick() {
+
+    }
+
+    public void update() {
+
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/ai/AIAirWizard.java

@@ -0,0 +1,54 @@
+package com.jdh.microcraft.entity.ai;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.entity.attack.WizardAttackBeam;
+import com.jdh.microcraft.entity.attack.WizardAttackBurst;
+import com.jdh.microcraft.entity.attack.WizardAttackSpiral;
+import com.jdh.microcraft.entity.mob.EntityAirWizard;
+import com.jdh.microcraft.gfx.Renderer;
+import com.jdh.microcraft.sound.Sound;
+import com.jdh.microcraft.util.Direction;
+
+public class AIAirWizard extends AIHostileHumanoid {
+    private long lastAttack;
+    private final EntityAirWizard wizard;
+
+    private Direction randomDirection;
+
+    public AIAirWizard(EntityAirWizard wizard) {
+        super(wizard, 0.75, 3.0 * wizard.strength);
+        this.wizard = wizard;
+        this.lastAttack = Global.ticks;
+    }
+
+    @Override
+    public void tick() {
+        if (this.wizard.attack == null) {
+            super.tick();
+        } else {
+            // move randomly
+            if (this.randomDirection == null || Global.random.nextInt(80) == 0) {
+                this.randomDirection = Direction.ALL.get(Global.random.nextInt(4));
+            }
+
+            this.moveTowards(
+                this.wizard.x + this.randomDirection.x * 10,
+                this.wizard.y + this.randomDirection.y * 10
+            );
+        }
+
+        if ((Global.ticks - this.lastAttack) > 120 + Global.random.nextInt(480)) {
+            this.wizard.attack = switch (Global.random.nextInt(3)) {
+                case 0 -> new WizardAttackBurst(this.wizard);
+                case 1 -> new WizardAttackSpiral(this.wizard);
+                default -> new WizardAttackBeam(this.wizard);
+            };
+
+            if (Renderer.inBounds(this.wizard.getCenterX(), this.wizard.getCenterY())) {
+                Sound.WIZARD_ATTACK.play();
+            }
+
+            this.lastAttack = Global.ticks;
+        }
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/ai/AIHostileHumanoid.java

@@ -0,0 +1,68 @@
+package com.jdh.microcraft.entity.ai;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.entity.mob.EntityHumanoid;
+import com.jdh.microcraft.util.Direction;
+import com.jdh.microcraft.util.FMath;
+
+public class AIHostileHumanoid extends AIHostileMob {
+    private final EntityHumanoid humanoid;
+    private final double speed, strength;
+
+    private Direction randomMoveDirection;
+
+    public AIHostileHumanoid(EntityHumanoid humanoid, double speed, double strength) {
+        super(humanoid, strength);
+        this.humanoid = humanoid;
+        this.speed = speed;
+        this.strength = strength;
+    }
+
+    @Override
+    protected void moveTowards(int x, int y) {
+        double dx = FMath.sign(x - this.humanoid.x),
+            dy = FMath.sign(y - this.humanoid.y),
+            l = FMath.norm(dx, dy);
+
+        dx /= l;
+        dy /= l;
+        dx = Double.isNaN(dx) ? 0 : dx;
+        dy = Double.isNaN(dy) ? 0 : dy;
+
+        dx *= this.speed;
+        dy *= this.speed;
+
+        if (!this.humanoid.swimming || Global.ticks % 2 == 0) {
+            int mx = FMath.tickedDoubleToInt(Global.ticks, dx),
+                my = FMath.tickedDoubleToInt(Global.ticks, dy);
+
+            if (this.shouldMove(mx, 0)) {
+                this.humanoid.move(mx, 0);
+            }
+
+            if (this.shouldMove(0, my)) {
+                this.humanoid.move(0, my);
+            }
+        }
+    }
+
+    @Override
+    public void tick() {
+        super.tick();
+
+        if (this.target == null) {
+            if (this.randomMoveDirection == null && Global.random.nextInt(240) == 0) {
+                this.randomMoveDirection = Direction.ALL.get(Global.random.nextInt(4));
+            } else if (this.randomMoveDirection != null) {
+                this.moveTowards(
+                    this.humanoid.x + this.randomMoveDirection.x * 10,
+                    this.humanoid.y + this.randomMoveDirection.y * 10
+                );
+
+                if (Global.random.nextInt(120) == 0) {
+                    this.randomMoveDirection = null;
+                }
+            }
+        }
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/ai/AIHostileMob.java

@@ -0,0 +1,95 @@
+package com.jdh.microcraft.entity.ai;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.entity.Entity;
+import com.jdh.microcraft.level.Level;
+import com.jdh.microcraft.level.tile.Tile;
+import com.jdh.microcraft.level.tile.TileLava;
+import com.jdh.microcraft.util.Direction;
+import com.jdh.microcraft.util.FMath;
+import com.jdh.microcraft.util.Time;
+
+import java.util.ArrayList;
+import java.util.stream.Collectors;
+
+public abstract class AIHostileMob extends AI {
+    protected final double sightDistance;
+    protected final int targetPermanenceTicks;
+
+    protected final double strength;
+    protected int ticksSinceTargetSeen;
+    public Entity target;
+
+    public AIHostileMob(Entity entity, double strength) {
+        super(entity);
+        this.strength = strength;
+        this.sightDistance = (16 * 10) * this.strength;
+        this.targetPermanenceTicks = (int) (180 * this.strength);
+    }
+
+    // avoid really dangerous stuff
+    protected boolean shouldMove(int dx, int dy) {
+        int cx = this.entity.getCenterX() + dx,
+            cy = this.entity.getCenterY() + dy,
+            tx = Level.toTile(cx),
+            ty = Level.toTile(cy);
+
+        return !(Tile.TILES[this.entity.level.getTile(tx, ty)] instanceof TileLava);
+    }
+
+    protected abstract void moveTowards(int x, int y);
+
+    @Override
+    public void tick() {
+        super.tick();
+
+        if (this.entity.level.player != null &&
+            FMath.norm(this.entity.x - this.entity.level.player.x,
+                this.entity.y - this.entity.level.player.y) <= this.sightDistance) {
+            this.target = this.entity.level.player;
+            this.ticksSinceTargetSeen = 0;
+        } else {
+            this.ticksSinceTargetSeen++;
+
+            // lose target if it has been too long
+            if (this.ticksSinceTargetSeen >= this.targetPermanenceTicks) {
+                this.target = null;
+            }
+        }
+
+        if (this.target != null) {
+            int tcx = this.target.x + (this.target.width / 2),
+                tcy = this.target.y + (this.target.height / 2),
+                tdx = tcx - this.entity.x,
+                tdy = tcy - this.entity.y;
+
+            double pd = this.getPreferredTargetDistance(),
+                pdt = this.getPreferredTargetDistanceThreshold();
+
+            if (Math.abs(tdx) - pd > pdt ||
+                Math.abs(tdy) - pd > pdt) {
+                this.moveTowards(this.target.x, this.target.y);
+            } else if (pd != 0.0 && pdt != 0.0) {
+                // ranged mobs: strafe in directions not towards the target
+                Global.random.setSeed(Global.ticks / Time.TPS);
+                if (Global.random.nextInt(3) == 0) {
+                    Direction td = Direction.get(tdx, tdy);
+                    Direction strafeDir = new ArrayList<>(Direction.ALL)
+                        .stream()
+                        .filter(d -> d != td && d != td.opposite())
+                        .collect(Collectors.toList())
+                        .get(Global.random.nextInt(2));
+                    this.moveTowards(this.entity.x + strafeDir.x, this.entity.y + strafeDir.y);
+                }
+            }
+        }
+    }
+
+    protected double getPreferredTargetDistance() {
+        return 0.0;
+    }
+
+    protected double getPreferredTargetDistanceThreshold() {
+        return 0.0;
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/ai/AISkeleton.java

@@ -0,0 +1,29 @@
+package com.jdh.microcraft.entity.ai;
+
+import com.jdh.microcraft.entity.mob.EntitySkeleton;
+
+public class AISkeleton extends AIHostileHumanoid {
+    private final EntitySkeleton skeleton;
+
+    public AISkeleton(EntitySkeleton skeleton) {
+        super(skeleton, 0.5 * skeleton.strength, skeleton.strength);
+        this.skeleton = skeleton;
+    }
+
+    @Override
+    public void tick() {
+        super.tick();
+
+        if (this.target != null) {
+            this.skeleton.shoot(this.target.x, this.target.y);
+        }
+    }
+
+    protected double getPreferredTargetDistance() {
+        return 16 * 3;
+    }
+
+    protected double getPreferredTargetDistanceThreshold() {
+        return 24;
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/ai/AISlime.java

@@ -0,0 +1,41 @@
+package com.jdh.microcraft.entity.ai;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.entity.mob.EntitySlime;
+import com.jdh.microcraft.util.Direction;
+
+public class AISlime extends AIHostileMob {
+    private final EntitySlime slime;
+
+    private long lastJump;
+    private final int jumpDelay;
+
+    public AISlime(EntitySlime slime) {
+        super(slime, slime.strength);
+        this.slime = slime;
+        this.jumpDelay = (int) Math.max(140 - (20 * slime.strength), 60);
+    }
+
+    private boolean canJump() {
+        return Global.ticks - this.lastJump >= this.jumpDelay;
+    }
+
+    @Override
+    protected void moveTowards(int x, int y) {
+        if (!this.slime.jumping && this.canJump()) {
+            this.lastJump = Global.ticks;
+            this.slime.jump(x - this.slime.x, y - this.slime.y, 0.5 * slime.strength);
+        }
+    }
+
+    @Override
+    public void tick() {
+        super.tick();
+
+        Global.random.setSeed(Global.ticks * this.slime.id);
+        if (this.target == null && Global.random.nextInt(180) == 0) {
+            this.lastJump = Global.ticks;
+            this.slime.jump(Direction.ALL.get(Global.random.nextInt(4)), 0.5);
+        }
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/ai/AIZombie.java

@@ -0,0 +1,9 @@
+package com.jdh.microcraft.entity.ai;
+
+import com.jdh.microcraft.entity.mob.EntityZombie;
+
+public class AIZombie extends AIHostileHumanoid {
+    public AIZombie(EntityZombie zombie) {
+        super(zombie, 0.45 * zombie.strength, zombie.strength);
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/attack/WizardAttack.java

@@ -0,0 +1,21 @@
+package com.jdh.microcraft.entity.attack;
+
+import com.jdh.microcraft.entity.mob.EntityAirWizard;
+
+public abstract class WizardAttack {
+    protected final EntityAirWizard wizard;
+    public int time;
+
+    public WizardAttack(EntityAirWizard wizard, int time) {
+        this.wizard = wizard;
+        this.time = time;
+    }
+
+    public boolean done() {
+        return this.time <= 0;
+    }
+
+    public void tick() {
+        this.time--;
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/attack/WizardAttackBeam.java

@@ -0,0 +1,33 @@
+package com.jdh.microcraft.entity.attack;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.entity.ai.AIHostileMob;
+import com.jdh.microcraft.entity.mob.EntityAirWizard;
+import com.jdh.microcraft.entity.projectile.EntityAirBlast;
+
+public class WizardAttackBeam extends WizardAttack {
+    public WizardAttackBeam(EntityAirWizard wizard) {
+        super(wizard, 60);
+    }
+
+    @Override
+    public void tick() {
+        super.tick();
+
+        if ((Global.ticks % 2) != 0) {
+            return;
+        }
+
+        AIHostileMob ai = (AIHostileMob) this.wizard.ai;
+        if (ai.target != null) {
+            this.wizard.level.addEntity(
+                new EntityAirBlast(
+                    this.wizard.level, this.wizard,
+                    this.wizard.getCenterX(), this.wizard.getCenterY(),
+                    ai.target.getCenterX(), ai.target.getCenterY(),
+                    1.4,
+                    (int) (3 * this.wizard.strength))
+            );
+        }
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/attack/WizardAttackBurst.java

@@ -0,0 +1,42 @@
+package com.jdh.microcraft.entity.attack;
+
+import com.jdh.microcraft.entity.mob.EntityAirWizard;
+import com.jdh.microcraft.entity.projectile.EntityAirBlast;
+
+public class WizardAttackBurst extends WizardAttack {
+    private static final int SIZE = 32;
+
+    private boolean attacked = false;
+
+    public WizardAttackBurst(EntityAirWizard wizard) {
+        super(wizard, 8);
+    }
+
+    @Override
+    public void tick() {
+        super.tick();
+
+        if (this.attacked) {
+            return;
+        }
+
+        this.attacked = true;
+
+        for (int i = 0; i < SIZE; i++) {
+            int dx = (int) (Math.cos((i / (double) SIZE) * (2 * Math.PI)) * 16),
+                dy = (int) (Math.sin((i / (double) SIZE) * (2 * Math.PI)) * 16);
+
+            this.wizard.level.addEntity(
+                new EntityAirBlast(
+                    this.wizard.level, this.wizard,
+                    this.wizard.getCenterX() + dx,
+                    this.wizard.getCenterY() + dy,
+                    this.wizard.getCenterX() + dx * 10,
+                    this.wizard.getCenterY() + dy * 10,
+                    1.2,
+                    (int) (3 * this.wizard.strength)
+                )
+            );
+        }
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/attack/WizardAttackSpiral.java

@@ -0,0 +1,35 @@
+package com.jdh.microcraft.entity.attack;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.entity.mob.EntityAirWizard;
+import com.jdh.microcraft.entity.projectile.EntityAirBlast;
+
+public class WizardAttackSpiral extends WizardAttack {
+    public WizardAttackSpiral(EntityAirWizard wizard) {
+        super(wizard, 240);
+    }
+
+    @Override
+    public void tick() {
+        super.tick();
+
+        if ((Global.ticks % 2) != 0) {
+            return;
+        }
+
+        int dx = (int) (Math.cos(((Global.ticks % 60) / 60.0) * (2 * Math.PI)) * 16),
+            dy = (int) (Math.sin(((Global.ticks % 60) / 60.0) * (2 * Math.PI)) * 16);
+
+        this.wizard.level.addEntity(
+            new EntityAirBlast(
+                this.wizard.level, this.wizard,
+                this.wizard.getCenterX() + dx,
+                this.wizard.getCenterY() + dy,
+                this.wizard.getCenterX() + dx * 10,
+                this.wizard.getCenterY() + dy * 10,
+                1.4,
+                (int) (3 * this.wizard.strength)
+            )
+        );
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/furniture/EntityAnvil.java

@@ -0,0 +1,24 @@
+package com.jdh.microcraft.entity.furniture;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.entity.Entity;
+import com.jdh.microcraft.entity.EntityPlayer;
+import com.jdh.microcraft.gui.crafting.AnvilCraftingMenu;
+import com.jdh.microcraft.item.Item;
+import com.jdh.microcraft.level.Level;
+
+public class EntityAnvil extends EntityFurniture {
+    public EntityAnvil(Level level) {
+        super(level, Item.ANVIL, 15, 10);
+    }
+
+    @Override
+    public boolean interact(Entity e) {
+        if (!(e instanceof EntityPlayer)) {
+            return false;
+        }
+
+        Global.game.setMenu(new AnvilCraftingMenu((EntityPlayer) e, this));
+        return true;
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/furniture/EntityChest.java

@@ -0,0 +1,42 @@
+package com.jdh.microcraft.entity.furniture;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.entity.Entity;
+import com.jdh.microcraft.entity.EntityItem;
+import com.jdh.microcraft.entity.EntityPlayer;
+import com.jdh.microcraft.gui.ChestMenu;
+import com.jdh.microcraft.item.Inventory;
+import com.jdh.microcraft.item.Item;
+import com.jdh.microcraft.item.ItemStack;
+import com.jdh.microcraft.level.Level;
+
+public class EntityChest extends EntityFurniture {
+    public Inventory inventory = new Inventory(512);
+
+    public EntityChest(Level level) {
+        super(level, Item.CHEST, 15, 13);
+    }
+
+    @Override
+    public boolean hit(Entity e) {
+        if (super.hit(e)) {
+            for (ItemStack s : this.inventory.stacks) {
+                EntityItem.spawn(this.level, s, Level.toCenter(e.tileX), Level.toCenter(e.tileY));
+            }
+
+            return true;
+        }
+
+        return false;
+    }
+
+    @Override
+    public boolean interact(Entity e) {
+        if (!(e instanceof EntityPlayer)) {
+            return false;
+        }
+
+        Global.game.setMenu(new ChestMenu((EntityPlayer) e, this));
+        return true;
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/furniture/EntityCraftingBench.java

@@ -0,0 +1,24 @@
+package com.jdh.microcraft.entity.furniture;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.entity.Entity;
+import com.jdh.microcraft.entity.EntityPlayer;
+import com.jdh.microcraft.gui.crafting.BenchCraftingMenu;
+import com.jdh.microcraft.item.Item;
+import com.jdh.microcraft.level.Level;
+
+public class EntityCraftingBench extends EntityFurniture {
+    public EntityCraftingBench(Level level) {
+        super(level, Item.CRAFTING_BENCH, 15, 12);
+    }
+
+    @Override
+    public boolean interact(Entity e) {
+        if (!(e instanceof EntityPlayer)) {
+            return false;
+        }
+
+        Global.game.setMenu(new BenchCraftingMenu((EntityPlayer) e, this));
+        return true;
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/furniture/EntityFurnace.java

@@ -0,0 +1,24 @@
+package com.jdh.microcraft.entity.furniture;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.entity.Entity;
+import com.jdh.microcraft.entity.EntityPlayer;
+import com.jdh.microcraft.gui.crafting.FurnaceMenu;
+import com.jdh.microcraft.item.Item;
+import com.jdh.microcraft.level.Level;
+
+public class EntityFurnace extends EntityFurniture {
+    public EntityFurnace(Level level) {
+        super(level, Item.FURNACE, 15, 14);
+    }
+
+    @Override
+    public boolean interact(Entity e) {
+        if (!(e instanceof EntityPlayer)) {
+            return false;
+        }
+
+        Global.game.setMenu(new FurnaceMenu((EntityPlayer) e, this));
+        return true;
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/furniture/EntityFurniture.java

@@ -0,0 +1,106 @@
+package com.jdh.microcraft.entity.furniture;
+
+import com.jdh.microcraft.entity.Entity;
+import com.jdh.microcraft.entity.EntityItem;
+import com.jdh.microcraft.entity.mob.EntityMob;
+import com.jdh.microcraft.entity.projectile.EntityProjectile;
+import com.jdh.microcraft.gfx.Renderer;
+import com.jdh.microcraft.item.ItemInstance;
+import com.jdh.microcraft.item.ItemStack;
+import com.jdh.microcraft.item.furniture.ItemFurniture;
+import com.jdh.microcraft.level.Level;
+import com.jdh.microcraft.level.tile.Tile;
+import com.jdh.microcraft.util.Direction;
+
+import java.util.List;
+
+public abstract class EntityFurniture extends Entity {
+    private final ItemFurniture item;
+    private int pushTime;
+
+    public EntityFurniture(Level level, ItemFurniture item, int width, int height) {
+        super(level);
+        this.item = item;
+        this.width = width;
+        this.height = height;
+    }
+
+    @Override
+    public void render() {
+        super.render();
+
+        for (int i = 0; i <= 1; i++) {
+            for (int j = 0; j <= 1; j++) {
+                Renderer.render(
+                    this.getSpriteOffsetX() + i, this.getSpriteOffsetY() + j,
+                    this.x + this.getRenderOffsetX() + (i * 8),
+                    this.y + this.getRenderOffsetY() + (j * 8),
+                    this.getColor(), Renderer.FLIP_NONE
+                );
+            }
+        }
+    }
+
+    @Override
+    public boolean collides(Entity e) {
+        return true;
+    }
+
+    @Override
+    public void collide(Entity e) {
+        super.collide(e);
+
+        if (e instanceof EntityMob) {
+            this.pushTime++;
+
+            if (this.pushTime == 3) {
+                // push in the direction the mob is moving
+                EntityMob mob = ((EntityMob) e);
+                Direction d = mob.getDirection();
+                this.move(d.x, d.y);
+                this.pushTime = 0;
+            }
+        } else if (e instanceof EntityProjectile) {
+            for (ItemStack s : this.getDrops()) {
+                EntityItem.spawn(level, s, Level.toCenter(this.tileX), Level.toCenter(this.tileY));
+            }
+            this.remove();
+        }
+    }
+
+    @Override
+    public void onHit(Entity e) {
+        if (!(e instanceof EntityMob)) {
+            return;
+        }
+
+        for (ItemStack s : this.getDrops()) {
+            EntityItem.spawn(level, s, Level.toCenter(this.tileX), Level.toCenter(this.tileY));
+        }
+        this.remove();
+    }
+
+    @Override
+    public boolean canSwimIn(Tile tile, int x, int y) {
+        return false;
+    }
+
+    protected List<ItemStack> getDrops() {
+        return List.of(new ItemStack(new ItemInstance(this.item)));
+    }
+
+    public int getSpriteOffsetX() {
+        return this.item.getTileSpriteX();
+    }
+
+    public int getSpriteOffsetY() {
+        return this.item.getTileSpriteY();
+    }
+
+    public int getColor() {
+        return this.item.getColor();
+    }
+
+    @Override
+    public abstract boolean interact(Entity e);
+}

Java/Microcraft/src/com/jdh/microcraft/entity/furniture/EntityLantern.java

@@ -0,0 +1,50 @@
+package com.jdh.microcraft.entity.furniture;
+
+import com.jdh.microcraft.entity.Entity;
+import com.jdh.microcraft.entity.mob.EntityMob;
+import com.jdh.microcraft.gfx.Light;
+import com.jdh.microcraft.item.Item;
+import com.jdh.microcraft.item.ItemInstance;
+import com.jdh.microcraft.item.ItemStack;
+import com.jdh.microcraft.level.Level;
+
+public class EntityLantern extends EntityFurniture {
+    public static final int LIGHT_POWER = 6;
+
+    public EntityLantern(Level level) {
+        super(level, Item.LANTERN, 13, 13);
+    }
+
+    @Override
+    public int getRenderOffsetX() {
+        return -2;
+    }
+
+    @Override
+    public int getRenderOffsetY() {
+        return -3;
+    }
+
+    @Override
+    public Light getLight() {
+        return new Light(
+            this.getCenterX(),
+            this.getCenterY(),
+            LIGHT_POWER
+        );
+    }
+
+    @Override
+    public boolean interact(Entity e) {
+        ItemStack s = new ItemStack(new ItemInstance(Item.LANTERN, 0), 1);
+
+        if (e instanceof EntityMob && ((EntityMob) e).inventory.add(s)) {
+            EntityMob mob = (EntityMob) e;
+            mob.equipped = s;
+            this.remove();
+            return true;
+        }
+
+        return false;
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/furniture/EntityOven.java

@@ -0,0 +1,24 @@
+package com.jdh.microcraft.entity.furniture;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.entity.Entity;
+import com.jdh.microcraft.entity.EntityPlayer;
+import com.jdh.microcraft.gui.crafting.OvenMenu;
+import com.jdh.microcraft.item.Item;
+import com.jdh.microcraft.level.Level;
+
+public class EntityOven extends EntityFurniture {
+    public EntityOven(Level level) {
+        super(level, Item.OVEN, 15, 13);
+    }
+
+    @Override
+    public boolean interact(Entity e) {
+        if (!(e instanceof EntityPlayer)) {
+            return false;
+        }
+
+        Global.game.setMenu(new OvenMenu((EntityPlayer) e, this));
+        return true;
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/mob/EntityAirWizard.java

@@ -0,0 +1,120 @@
+package com.jdh.microcraft.entity.mob;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.entity.Entity;
+import com.jdh.microcraft.entity.EntityPlayer;
+import com.jdh.microcraft.entity.ai.AIAirWizard;
+import com.jdh.microcraft.entity.attack.WizardAttack;
+import com.jdh.microcraft.entity.particle.EntitySmokeParticle;
+import com.jdh.microcraft.entity.projectile.EntityProjectile;
+import com.jdh.microcraft.gfx.Color;
+import com.jdh.microcraft.gui.WinMenu;
+import com.jdh.microcraft.item.Inventory;
+import com.jdh.microcraft.level.Level;
+import com.jdh.microcraft.level.tile.Tile;
+import com.jdh.microcraft.sound.Sound;
+
+public class EntityAirWizard extends EntityHumanoid {
+    public final double strength = 1.0 * Global.game.difficulty;
+
+    public WizardAttack attack;
+
+    public EntityAirWizard(Level level) {
+        super(level, Inventory.NONE);
+        this.health = this.getMaxHealth();
+        this.stamina = this.getMaxStamina();
+        this.ai = new AIAirWizard(this);
+    }
+
+    @Override
+    public void die() {
+        super.die();
+        Sound.WIZARD_DEATH.play();
+        Global.game.score += 5000;
+        Global.game.setMenu(new WinMenu());
+    }
+
+    @Override
+    public boolean hurt(int amount) {
+        return super.hurt(amount == 1 ? 0 : amount);
+    }
+
+    @Override
+    public boolean collides(Entity e) {
+        return !(e instanceof EntityProjectile) && super.collides(e);
+    }
+
+    @Override
+    public void collide(Entity e) {
+        if (e instanceof EntityPlayer) {
+            this.hit(e);
+        }
+    }
+
+    @Override
+    public void tick() {
+        super.tick();
+
+        if (Global.random.nextInt(10) == 0) {
+            EntitySmokeParticle.spawn(this.level, this.getCenterX(), this.getCenterY(), Tile.CLOUD.getColor(), 1, 4);
+        }
+
+        if (this.attack != null) {
+            if (this.attack.done()) {
+                this.attack = null;
+            } else {
+                this.attack.tick();
+            }
+        }
+    }
+
+    @Override
+    public int getHitDamage(Entity e) {
+        return (int) ((2 + Global.random.nextInt(5)) * this.strength);
+    }
+
+    @Override
+    public int getBaseSpriteX() {
+        return 8;
+    }
+
+    @Override
+    public int getBaseSpriteY() {
+        return 9;
+    }
+
+    @Override
+    public int getCarrySpriteX() {
+        return 8;
+    }
+
+    @Override
+    public int getCarrySpriteY() {
+        return 9;
+    }
+
+    @Override
+    public int getColor() {
+        return Color.get(111, 224, 441, 555);
+    }
+
+    @Override
+    public int getHurtColor() {
+        return Color.get(444, 335, 552, 555);
+    }
+
+    @Override
+    public double getStaminaRechargeRate() {
+        return 0.3;
+    }
+
+    @Override
+    public int getMaxStamina() {
+        return (int) (this.strength * 100);
+    }
+
+    @Override
+    public int getMaxHealth() {
+        return (int) (this.strength * 80);
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/mob/EntityHumanoid.java

@@ -0,0 +1,335 @@
+package com.jdh.microcraft.entity.mob;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.entity.Entity;
+import com.jdh.microcraft.entity.EntityItem;
+import com.jdh.microcraft.gfx.Color;
+import com.jdh.microcraft.gfx.Light;
+import com.jdh.microcraft.gfx.Renderer;
+import com.jdh.microcraft.item.Inventory;
+import com.jdh.microcraft.item.Item;
+import com.jdh.microcraft.item.ItemInstance;
+import com.jdh.microcraft.item.ItemStack;
+import com.jdh.microcraft.item.armor.*;
+import com.jdh.microcraft.item.tool.ItemTool;
+import com.jdh.microcraft.level.Level;
+import com.jdh.microcraft.level.tile.Tile;
+import com.jdh.microcraft.level.tile.TileLiquid;
+import com.jdh.microcraft.util.Direction;
+
+public abstract class EntityHumanoid extends EntityMob {
+    public static final int BASE_SPRITE_X = 0, BASE_SPRITE_Y = 11;
+    public static final int CARRY_SPRITE_X = 0, CARRY_SPRITE_Y = 9;
+    private static final int SWIM_SPRITE_X = 9, SWIM_SPRITE_Y = 11;
+
+    private static final int SWIM_COLOR = Color.get(334, 445, 555, 555);
+
+    // current sprite location
+    private int spriteX, spriteY;
+
+    // current animation frame ticks and flipped/frame state
+    private int animationTicks;
+    private boolean animationFlipped, animationXFrame;
+
+    // equipped armor
+    public ItemStack[] armor = new ItemStack[ItemArmor.NUM_TYPES];
+
+    public EntityHumanoid(Level level, Inventory inventory) {
+        super(level, inventory);
+        this.width = 11;
+        this.height = 11;
+        this.animationTicks = this.getAnimationFrameTicks();
+        this.updateAnimationFrame(false);
+    }
+
+    // level must be in [1..3]
+    public static void giveRandomEquipment(EntityHumanoid entity, int level, boolean armor, boolean weapon) {
+        assert (level >= 1 && level <= 3);
+        Item[][] armorTable = new Item[][]{
+            {Item.IRON_HELMET, Item.IRON_CHESTPLATE, Item.IRON_LEGGINGS, Item.IRON_BOOTS},
+            {Item.GOLD_HELMET, Item.GOLD_CHESTPLATE, Item.GOLD_LEGGINGS, Item.GOLD_BOOTS},
+            {Item.GOLD_HELMET, Item.GOLD_CHESTPLATE, Item.GOLD_LEGGINGS, Item.GOLD_BOOTS}
+        };
+
+        Item[][] weaponTable = new Item[][]{
+            {Item.ROCK_SWORD, Item.ROCK_AXE},
+            {Item.IRON_SWORD, Item.IRON_AXE},
+            {Item.GOLD_SWORD, Item.GEM_SWORD, Item.MITHRIL_SWORD}
+        };
+
+        if (armor) {
+            for (int i = 0; i < ItemArmor.NUM_TYPES; i++) {
+                if (Global.random.nextInt((4 - level) * 7) == 0) {
+                    ItemStack item = new ItemStack(new ItemInstance(armorTable[level - 1][i], 0), 1);
+                    entity.armor[i] = item;
+                    entity.inventory.add(item);
+                }
+            }
+        }
+
+        if (weapon  && Global.random.nextInt((4 - level) * 8) == 0) {
+            ItemStack item = new ItemStack(
+                new ItemInstance(
+                    weaponTable[level - 1][Global.random.nextInt(weaponTable[level - 1].length)],
+                    0),
+                1
+            );
+            entity.equipped = item;
+            entity.inventory.add(item);
+        }
+    }
+
+    @Override
+    public ItemStack removeItem(Item item, int count) {
+        ItemStack removed = super.removeItem(item, count);
+
+        for (int i = 0; i < this.armor.length; i++) {
+            if (this.armor[i] == removed) {
+                this.armor[i] = null;
+            }
+        }
+
+        return removed;
+    }
+
+    @Override
+    public void die() {
+        super.die();
+
+        for (ItemStack s : this.inventory.stacks) {
+            EntityItem.spawn(this.level, s, this.getCenterX(), this.getCenterY());
+        }
+    }
+
+    @Override
+    public void pickup(ItemStack stack) {
+        super.pickup(stack);
+
+        if (stack.instance.item instanceof ItemArmor) {
+            ItemArmor armor = (ItemArmor) stack.instance.item;
+            if (this.armor[armor.slot] == null) {
+                this.armor[armor.slot] = stack;
+            }
+        }
+    }
+
+    protected int getAnimationFrameTicks() {
+        return 10;
+    }
+
+    public boolean hurt(int amount, boolean ignoreArmor) {
+        if (ignoreArmor) {
+            return super.hurt(amount);
+        }
+
+        double reduction = 0;
+        for (ItemStack s : this.armor) {
+            if (s != null) {
+                reduction += ((ItemArmor) s.instance.item).getDamageReduction(s.instance);
+            }
+        }
+
+        reduction = reduction > 0 ? Global.random.nextInt(Math.max((int) (reduction / 2.5), 2)) : 0;
+        return super.hurt((int) Math.max(amount - reduction, 0));
+    }
+
+    @Override
+    public boolean hurt(int amount) {
+        return this.hurt(amount, false);
+    }
+
+    @Override
+    public Light getLight() {
+        if (this.equipped != null) {
+            int power = this.equipped.instance.item.getLightPower();
+            if (power > 0) {
+                return new Light(
+                    this.getCenterX(),
+                    this.getCenterY(),
+                    power
+                );
+            }
+        }
+
+        return null;
+    }
+
+    @Override
+    public int getHitDamage(Entity e) {
+        return (this.equipped != null && (this.equipped.instance.item instanceof ItemTool)) ?
+            ((ItemTool) this.equipped.instance.item).getDamage(this.equipped.instance) : 1;
+    }
+
+    @Override
+    public int getRenderOffsetX() {
+        return -3;
+    }
+
+    @Override
+    public int getRenderOffsetY() {
+        return -2;
+    }
+
+    @Override
+    protected void onDirectionChange() {
+        super.onDirectionChange();
+        this.updateAnimationFrame(false);
+    }
+
+    @Override
+    public void tick() {
+        super.tick();
+
+        // drowning
+        if (this.swimming && (Global.ticks % 60) == 0) {
+            if (this.stamina == 0) {
+                this.hurt(1, true);
+            } else {
+                this.takeStamina(1);
+            }
+        }
+
+        if (this.moving) {
+            this.animationTicks--;
+
+            if (this.animationTicks == 0) {
+                this.updateAnimationFrame(true);
+            }
+        }
+
+        // pick the correct current animation frame but don't switch
+        this.updateAnimationFrame(false);
+    }
+
+    protected boolean carrying() {
+        return this.equipped != null && this.equipped.instance.item.carry(this);
+    }
+
+    public int getBaseSpriteX() {
+        return BASE_SPRITE_X;
+    }
+
+    public int getBaseSpriteY() {
+        return BASE_SPRITE_Y;
+    }
+
+    public int getCarrySpriteX() {
+        return CARRY_SPRITE_X;
+    }
+
+    public int getCarrySpriteY() {
+        return CARRY_SPRITE_Y;
+    }
+
+    protected int getSpritesheetOffsetX() {
+        return this.carrying() ? this.getCarrySpriteX() : this.getBaseSpriteX();
+    }
+
+    protected int getSpritesheetOffsetY() {
+        return this.carrying() ? this.getCarrySpriteY() : this.getBaseSpriteY();
+    }
+
+    protected void updateAnimationFrame(boolean switchFrame) {
+        if (switchFrame) {
+            this.animationTicks = this.getAnimationFrameTicks();
+        }
+
+        this.spriteY = this.getSpritesheetOffsetY();
+
+        switch (this.direction) {
+            case NORTH, SOUTH -> {
+                if (switchFrame) {
+                    this.animationFlipped = !this.animationFlipped;
+                }
+
+                this.spriteX = this.getSpritesheetOffsetX() +
+                    (this.direction == Direction.NORTH ? 2 : 0);
+            }
+            case EAST, WEST -> {
+                if (switchFrame) {
+                    this.animationXFrame = !this.animationXFrame;
+                }
+
+                this.animationFlipped = this.direction == Direction.LEFT;
+                this.spriteX = this.getSpritesheetOffsetX() +
+                    (this.animationXFrame ? 4 : 6);
+            }
+        }
+    }
+
+    private void renderArmor(ItemArmor item) {
+        if (this.swimming && item.type != ItemArmor.TYPE_HELMET) {
+            return;
+        }
+
+        int sx = this.spriteX - this.getCarrySpriteX(),
+            sy = this.spriteY - this.getCarrySpriteY();
+        for (int i = 0; i <= 1; i++) {
+            for (int j = 0; j <= 1; j++) {
+                Renderer.render(
+                    sx + item.getSpriteBaseX() + (this.animationFlipped ? (1 - i) : i),
+                    sy + item.getSpriteBaseY() + j,
+                    this.x + (i * 8) + this.getRenderOffsetX(),
+                    this.y + (j * 8) + this.getRenderOffsetY(),
+                    item.getColor(),
+                    this.animationFlipped ? Renderer.FLIP_X : Renderer.FLIP_NONE
+                );
+            }
+        }
+    }
+
+    @Override
+    public void render() {
+        super.render();
+
+        // flash with hurt color on hurt
+        int color = this.invulnerableTicks > 0 && ((Global.ticks / 4) % 2) == 0 ?
+            this.getHurtColor() :
+            this.getColor();
+
+        for (int i = 0; i <= 1; i++) {
+            for (int j = 0; j <= (this.swimming ? 0 : 1); j++) {
+                Renderer.render(
+                    this.spriteX + (this.animationFlipped ? (1 - i) : i), this.spriteY + j,
+                    this.x + (i * 8) + this.getRenderOffsetX(),
+                    this.y + (j * 8) + this.getRenderOffsetY(),
+                    color,
+                    this.animationFlipped ? Renderer.FLIP_X : Renderer.FLIP_NONE
+                );
+            }
+        }
+
+        // render armor
+        for (ItemStack s : this.armor) {
+            if (s != null) {
+                this.renderArmor((ItemArmor) s.instance.item);
+            }
+        }
+
+        if (this.swimming) {
+            for (int i = 0; i <= 1; i++) {
+                Renderer.render(
+                    SWIM_SPRITE_X, SWIM_SPRITE_Y,
+                    this.x + (i * 8) + this.getRenderOffsetX(),
+                    this.y + 2 + this.getRenderOffsetY(),
+                    SWIM_COLOR,
+                    i == 0 ? Renderer.FLIP_NONE : Renderer.FLIP_X
+                );
+            }
+        }
+
+        // render carrying item
+        if (this.equipped != null && this.equipped.instance.item.carry(this)) {
+            this.equipped.instance.item.renderCarry(this.equipped.instance, this.level, this);
+        }
+    }
+
+    @Override
+    public boolean canSwimIn(Tile tile, int x, int y) {
+        return tile instanceof TileLiquid;
+    }
+
+    public abstract int getColor();
+
+    public abstract int getHurtColor();
+}

Java/Microcraft/src/com/jdh/microcraft/entity/mob/EntityMob.java

@@ -0,0 +1,327 @@
+package com.jdh.microcraft.entity.mob;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.entity.Entity;
+import com.jdh.microcraft.entity.EntityItem;
+import com.jdh.microcraft.entity.furniture.EntityFurniture;
+import com.jdh.microcraft.entity.particle.EntityTextParticle;
+import com.jdh.microcraft.gfx.Color;
+import com.jdh.microcraft.gfx.Renderer;
+import com.jdh.microcraft.item.Inventory;
+import com.jdh.microcraft.item.Item;
+import com.jdh.microcraft.item.ItemInstance;
+import com.jdh.microcraft.item.ItemStack;
+import com.jdh.microcraft.level.Level;
+import com.jdh.microcraft.util.Direction;
+import com.jdh.microcraft.util.FMath;
+
+public abstract class EntityMob extends Entity {
+    private static final int HIT_SPRITE_X = 9, HIT_SPRITE_Y = 12;
+    private static final int HIT_COLOR = Color.get(222, 533, 544, 555);
+    private static final int ACTION_SPRITE_X = 8, ACTION_SPRITE_Y = 11;
+    private static final int ACTION_COLOR = Color.get(555, 555, 555, 555);
+    private static final int ACTION_TICKS = 6;
+    private static final int HIT_TICKS = 4;
+    private static final int USE_ITEM_TICKS = 4;
+
+    private static final int STAMINA_RECHARGE_DELAY_TICKS = 40;
+    private static final int INVULNERABLE_TICKS = 30;
+
+    protected int actionTicks;
+    protected int hitTicks, hitX, hitY;
+
+    protected Item useItem;
+    protected int useItemTicks;
+
+    public int health, stamina;
+    public int invulnerableTicks;
+    public int staminaRechargeDelayTicks;
+
+    public final Inventory inventory;
+    public ItemStack equipped;
+
+    public EntityMob(Level level, Inventory inventory) {
+        super(level);
+        this.health = this.getMaxHealth();
+        this.stamina = this.getMaxStamina();
+        this.inventory = inventory;
+    }
+
+    public void drop(ItemStack stack) {
+        assert(this.inventory.contains(stack));
+
+        assert(stack.instance.item.isDroppable());
+        EntityItem item = EntityItem.spawn(
+            this.level,
+            this.removeItem(this.equipped.instance.item, this.equipped.size),
+            this.getCenterX(), this.getCenterY(),
+            this.getDirection()
+        );
+        item.timeToPickup = 80;
+    }
+
+    public int getFacingTileX() {
+        return switch (this.direction) {
+            case EAST -> tileX + 1;
+            case WEST -> tileX - 1;
+            default -> tileX;
+        };
+    }
+
+    public int getFacingTileY() {
+        return switch (this.direction) {
+            case NORTH -> tileY - 1;
+            case SOUTH -> tileY + 1;
+            default -> tileY;
+        };
+    }
+
+    public ItemStack removeItem(Item item, int count) {
+        ItemStack removed = this.inventory.remove(item, count);
+
+        // remove equipped item if equipped stack was removed
+        if (this.equipped == removed && count == this.equipped.size) {
+            this.equipped = null;
+        }
+
+        return removed;
+    }
+
+    @Override
+    protected void onDirectionChange() {
+        this.actionTicks = 0;
+        this.useItemTicks = 0;
+        this.hitTicks = 0;
+    }
+
+    public int getHitDamage(Entity e) {
+        return 1;
+    }
+
+    public boolean canPickup(EntityItem e) {
+        return false;
+    }
+
+    public void pickup(ItemStack stack) {
+
+    }
+
+    @Override
+    public boolean hit(Entity e) {
+        if (!this.swimming && e instanceof EntityMob && this.takeApproxStamina(2)) {
+            EntityMob mob = (EntityMob) e;
+            mob.hurt(Math.max(this.getHitDamage(e), 1), this);
+            return true;
+        }
+
+        return e instanceof EntityFurniture;
+    }
+
+    @Override
+    public void collide(Entity e) {
+        super.collide(e);
+
+        if (!e.metadata.remove && e instanceof EntityItem &&
+            ((EntityItem) e).canPickup(this) &&
+            this.canPickup(((EntityItem) e))) {
+            EntityItem item = ((EntityItem) e);
+            if (this.inventory.add(item.stack)) {
+                this.pickup(item.stack);
+                item.remove();
+            }
+        }
+    }
+
+    @Override
+    public boolean collides(Entity e) {
+        return !(e instanceof EntityMob && this.swimming);
+    }
+
+    protected void animateHit(Item used, int x, int y) {
+        this.useItem = used;
+        this.useItemTicks = USE_ITEM_TICKS;
+        this.hitTicks = HIT_TICKS;
+        this.hitX = Level.toPixel(x);
+        this.hitY = Level.toPixel(y);
+    }
+
+    protected void animateAction() {
+        this.actionTicks = ACTION_TICKS;
+    }
+
+    @Override
+    public void render() {
+        super.render();
+
+        // used item
+        if (this.useItemTicks > 0) {
+            ItemInstance instance = new ItemInstance(this.useItem, 0);
+            switch (this.direction) {
+                case NORTH -> this.useItem.render(
+                    instance, this.level,
+                    this.x + 2, this.y - 6);
+                case SOUTH -> this.useItem.render(
+                    instance, this.level,
+                    this.x + 2, this.y + this.height);
+                case EAST -> this.useItem.render(
+                    instance, this.level,
+                    this.x + this.width, this.y + 2);
+                case WEST -> this.useItem.render(
+                    instance, this.level,
+                    this.x - 6, this.y + 2);
+            }
+        }
+
+        if (this.hitTicks > 0) {
+            Renderer.render(HIT_SPRITE_X, HIT_SPRITE_Y,
+                this.hitX + 0, this.hitY + 0, HIT_COLOR, Renderer.FLIP_Y);
+            Renderer.render(HIT_SPRITE_X, HIT_SPRITE_Y,
+                this.hitX + 8, this.hitY + 0, HIT_COLOR, Renderer.FLIP_XY);
+            Renderer.render(HIT_SPRITE_X, HIT_SPRITE_Y,
+                this.hitX + 0, this.hitY + 8, HIT_COLOR, Renderer.FLIP_NONE);
+            Renderer.render(HIT_SPRITE_X, HIT_SPRITE_Y,
+                this.hitX + 8, this.hitY + 8, HIT_COLOR, Renderer.FLIP_X);
+        } else if (this.actionTicks > 0) {
+            int px = this.x + this.getRenderOffsetX(), py = this.y + this.getRenderOffsetY();
+
+            switch (this.direction) {
+                case NORTH -> {
+                    Renderer.render(ACTION_SPRITE_X, ACTION_SPRITE_Y,
+                        px, py - 4, ACTION_COLOR, Renderer.FLIP_X);
+                    Renderer.render(ACTION_SPRITE_X, ACTION_SPRITE_Y,
+                        px + 8, py - 4, ACTION_COLOR, Renderer.FLIP_NONE);
+                }
+                case SOUTH -> {
+                    Renderer.render(ACTION_SPRITE_X, ACTION_SPRITE_Y,
+                        px, py + this.height + 1, ACTION_COLOR, Renderer.FLIP_XY);
+                    Renderer.render(ACTION_SPRITE_X, ACTION_SPRITE_Y,
+                        px + 8, py + this.height + 1, ACTION_COLOR, Renderer.FLIP_Y);
+                }
+                case EAST -> {
+                    Renderer.render(ACTION_SPRITE_X, ACTION_SPRITE_Y + 1,
+                        px + this.width, py + 0, ACTION_COLOR, Renderer.FLIP_NONE);
+                    Renderer.render(ACTION_SPRITE_X, ACTION_SPRITE_Y + 1,
+                        px + this.width, py + 8, ACTION_COLOR, Renderer.FLIP_Y);
+                }
+                case WEST -> {
+                    Renderer.render(ACTION_SPRITE_X, ACTION_SPRITE_Y + 1,
+                        px - 4, py + 0, ACTION_COLOR, Renderer.FLIP_X);
+                    Renderer.render(ACTION_SPRITE_X, ACTION_SPRITE_Y + 1,
+                        px - 4, py + 8, ACTION_COLOR, Renderer.FLIP_XY);
+                }
+            }
+        }
+    }
+
+    public void heal(int amount) {
+        assert (amount >= 0);
+        this.health = Math.min(this.health + amount, this.getMaxHealth());
+    }
+
+    // hurt from entity
+    public boolean hurt(int amount, Entity e) {
+        return this.hurt(
+            amount,
+            this.moving ?
+                this.getDirection().opposite() :
+                Direction.get(this.x - e.x, this.y - e.y)
+        );
+    }
+
+    // hurt with knockback
+    public boolean hurt(int amount, Direction direction) {
+        if (this.hurt(amount)) {
+            this.knockback(4.0, direction);
+            return true;
+        }
+        return false;
+    }
+
+    public boolean hurt(int amount) {
+        assert (amount >= 0);
+        if (this.invulnerableTicks > 0) {
+            return false;
+        }
+
+        EntityTextParticle.spawn(
+            this.level, this.x, this.y,
+            Integer.toString(amount),
+            amount == 0 ? 114 : 500);
+
+        this.invulnerableTicks = INVULNERABLE_TICKS;
+        this.health -= amount;
+
+        if (this.health <= 0) {
+            this.die();
+            this.remove();
+        }
+
+        return true;
+    }
+
+    // amount is not exact, it's a multiplier. the true amount is random.
+    public boolean takeApproxStamina(int amount) {
+        return this.takeStamina(amount - 1 + Global.random.nextInt(1 + amount + (amount / 2)));
+    }
+
+    // returns true if stamina was taken
+    public boolean takeStamina(int amount) {
+        if (this.stamina - amount >= 0) {
+            this.stamina -= amount;
+            return true;
+        }
+
+        return false;
+    }
+
+    private void rechargeStamina() {
+        if (this.swimming) {
+            return;
+        }
+
+        double rr = this.getStaminaRechargeRate();
+        if (rr >= 1.0) {
+            this.stamina += (int) rr;
+        } else if (Global.ticks % ((int) (1.0 / this.getStaminaRechargeRate())) == 0) {
+            this.stamina++;
+        }
+
+        this.stamina = FMath.clamp(this.stamina, 1, this.getMaxStamina());
+    }
+
+    @Override
+    public void tick() {
+        super.tick();
+
+        this.invulnerableTicks = Math.max(this.invulnerableTicks - 1, 0);
+        this.hitTicks = Math.max(this.hitTicks - 1, 0);
+        this.actionTicks = Math.max(this.actionTicks - 1, 0);
+        this.useItemTicks = Math.max(this.useItemTicks - 1, 0);
+
+        this.staminaRechargeDelayTicks = Math.max(this.staminaRechargeDelayTicks - 1, 0);
+
+        if (this.staminaRechargeDelayTicks > 0) {
+            this.staminaRechargeDelayTicks--;
+
+            if (this.staminaRechargeDelayTicks == 0) {
+                this.rechargeStamina();
+            }
+        } else if (this.stamina <= 0) {
+            this.staminaRechargeDelayTicks = STAMINA_RECHARGE_DELAY_TICKS;
+            this.stamina = 0;
+        } else if (this.stamina != this.getMaxStamina()) {
+            this.rechargeStamina();
+        }
+    }
+
+    public void die() {
+
+    }
+
+    // per tick
+    public abstract double getStaminaRechargeRate();
+
+    public abstract int getMaxStamina();
+
+    public abstract int getMaxHealth();
+}

Java/Microcraft/src/com/jdh/microcraft/entity/mob/EntitySkeleton.java

@@ -0,0 +1,137 @@
+package com.jdh.microcraft.entity.mob;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.entity.Entity;
+import com.jdh.microcraft.entity.EntityItem;
+import com.jdh.microcraft.entity.EntityPlayer;
+import com.jdh.microcraft.entity.ai.AISkeleton;
+import com.jdh.microcraft.entity.particle.EntitySmashParticle;
+import com.jdh.microcraft.entity.projectile.EntityArrow;
+import com.jdh.microcraft.gfx.Color;
+import com.jdh.microcraft.item.Inventory;
+import com.jdh.microcraft.item.Item;
+import com.jdh.microcraft.item.ItemInstance;
+import com.jdh.microcraft.item.ItemStack;
+import com.jdh.microcraft.level.Level;
+import com.jdh.microcraft.level.tile.Tile;
+
+public class EntitySkeleton extends EntityHumanoid {
+    private static final Item[] LOOT_TABLE = {
+        Item.GEM, Item.GOLD_INGOT,
+        Item.COAL, Item.COAL, Item.IRON_INGOT, Item.IRON_INGOT,
+        Item.COAL, Item.COAL, Item.IRON_ORE, Item.IRON_ORE, Item.IRON_ORE,
+        Item.GLASS, Item.GLASS, Item.GLASS, Item.PIE, Item.IRON_ORE,
+        Item.ROCK, Item.ROCK, Item.ROCK, Item.ROCK, Item.SAND, Item.SAND, Item.SAND
+    };
+
+    private long lastShotTicks;
+    public final double strength;
+
+    public EntitySkeleton(Level level, int x, int y, double strength) {
+        super(level, new Inventory(4));
+        this.x = x;
+        this.y = y;
+        this.strength = strength * Global.game.difficulty;
+        this.ai = new AISkeleton(this);
+        this.health = this.getMaxHealth();
+        this.stamina = this.getMaxStamina();
+    }
+
+    public static EntitySkeleton createSkeleton(Level level) {
+        EntitySkeleton skeleton = new EntitySkeleton(level, 0, 0, 1.0);
+        EntityHumanoid.giveRandomEquipment(skeleton, 1, true, false);
+        return skeleton;
+    }
+
+    private boolean canShoot() {
+        return (Global.ticks - this.lastShotTicks) >= Math.max(180 - (30 * this.strength), 80);
+    }
+
+    public void shoot(int dx, int dy) {
+        if (Tile.TILES[this.level.getTile(this.getFacingTileX(), this.getFacingTileY())].isSolid()) {
+            // only shoot if facing tile is empty
+            return;
+        } else if (!this.canShoot()) {
+            return;
+        }
+
+        this.updateAnimationFrame(true);
+        this.lastShotTicks = Global.ticks;
+        this.level.addEntity(new EntityArrow(
+            this.level, this,
+            this.getCenterX(), this.getCenterY(),
+            dx, dy,
+            2.0,
+            (int) (1 * this.strength + Global.random.nextInt((int) (2 * this.strength)))
+        ));
+    }
+
+    @Override
+    protected int getAnimationFrameTicks() {
+        return Math.max(12 - ((int) (2.0 / this.strength)), 6);
+    }
+
+    @Override
+    public void die() {
+        super.die();
+        EntitySmashParticle.spawn(this.level, this.x, this.y, this.getColor(), 4, 8);
+
+        for (int i = Global.random.nextInt(3); i > 0; i--) {
+            EntityItem.spawn(
+                this.level,
+                new ItemStack(new ItemInstance(Item.BONE)),
+                this.x, this.y
+            );
+        }
+
+        if (Global.random.nextBoolean()) {
+            EntityItem.spawn(
+                this.level,
+                new ItemStack(new ItemInstance(LOOT_TABLE[Global.random.nextInt(LOOT_TABLE.length)], 0), 1),
+                this.x, this.y
+            );
+        }
+
+        Global.game.score += 25 * this.strength;
+    }
+
+    @Override
+    public int getHitDamage(Entity e) {
+        return 1;
+    }
+
+    @Override
+    public void collide(Entity e) {
+        super.collide(e);
+
+        if (e instanceof EntityPlayer) {
+            this.hit(e);
+            e.onHit(this);
+        }
+    }
+
+    @Override
+    public int getColor() {
+        return Color.get(331, 555, 555, 554);
+    }
+
+    @Override
+    public int getHurtColor() {
+        return Color.get(444, 555, 555, 554);
+    }
+
+    @Override
+    public double getStaminaRechargeRate() {
+        return 0.2;
+    }
+
+    @Override
+    public int getMaxStamina() {
+        return (int) (this.strength * 10);
+    }
+
+    @Override
+    public int getMaxHealth() {
+        return (int) (this.strength * 10);
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/mob/EntitySlime.java

@@ -0,0 +1,209 @@
+package com.jdh.microcraft.entity.mob;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.entity.Entity;
+import com.jdh.microcraft.entity.EntityItem;
+import com.jdh.microcraft.entity.EntityPlayer;
+import com.jdh.microcraft.entity.ai.AISlime;
+import com.jdh.microcraft.entity.particle.EntitySmashParticle;
+import com.jdh.microcraft.gfx.Color;
+import com.jdh.microcraft.gfx.Renderer;
+import com.jdh.microcraft.item.Inventory;
+import com.jdh.microcraft.item.Item;
+import com.jdh.microcraft.item.ItemInstance;
+import com.jdh.microcraft.item.ItemStack;
+import com.jdh.microcraft.level.Level;
+import com.jdh.microcraft.level.tile.Tile;
+import com.jdh.microcraft.util.Direction;
+import com.jdh.microcraft.util.FMath;
+
+public class EntitySlime extends EntityMob {
+    private static final int BASE_SPRITE_X = 16, BASE_SPRITE_Y = 3;
+
+    public boolean jumping;
+    private double vx, vy, vz;
+
+    private final boolean jumpTrail;
+    private final int color, hitColor, trailColor;
+    public final double strength;
+
+    public EntitySlime(Level level, int x, int y, int color, int hitColor,
+                       boolean jumpTrail, int trailColor, double strength) {
+        super(level, Inventory.NONE);
+        this.x = x;
+        this.y = y;
+        this.color = color;
+        this.hitColor = hitColor;
+        this.jumpTrail = jumpTrail;
+        this.trailColor = trailColor;
+        this.strength = strength * Global.game.difficulty;
+        this.width = 12;
+        this.height = 8;
+        this.health = this.getMaxHealth();
+        this.stamina = this.getMaxStamina();
+        this.ai = new AISlime(this);
+    }
+
+    public static EntitySlime createGreenSlime(Level level) {
+        return new EntitySlime(
+            level,
+            0, 0,
+            Color.get(010, 020, 151, 353),
+            Color.get(010, 020, 353, 454),
+            false, 0,
+            0.6
+        );
+    }
+
+    public static EntitySlime createBlueSlime(Level level) {
+        return new EntitySlime(
+            level,
+            0, 0,
+            Color.get(001, 002, 114, 225),
+            Color.get(001, 002, 335, 445),
+            false, 0,
+            1.0
+        );
+    }
+
+    public static EntitySlime createRedSlime(Level level) {
+        return new EntitySlime(
+            level,
+            0, 0,
+            Color.get(100, 200, 411, 522),
+            Color.get(100, 200, 533, 544),
+            true, Color.get(330, 440, 550, 551),
+            1.15
+        );
+    }
+
+    @Override
+    public int getHitDamage(Entity e) {
+        return (int) (this.strength + Global.random.nextInt((int) (4 * this.strength)));
+    }
+
+    @Override
+    public void collide(Entity e) {
+        super.collide(e);
+
+        if (e instanceof EntityPlayer) {
+            this.hit(e);
+            e.onHit(this);
+        }
+    }
+
+    @Override
+    public void die() {
+        super.die();
+        EntitySmashParticle.spawn(this.level, this.x, this.y, this.color, 4, 10);
+
+        for (int i = 1 + Global.random.nextInt(1 + (2 * (int) this.strength)); i > 0; i--) {
+            EntityItem.spawn(
+                this.level,
+                new ItemStack(new ItemInstance(Item.SLIME, 0), 1),
+                this.x, this.y
+            );
+        }
+
+        Global.game.score += 20 * this.strength;
+    }
+
+    public void jump(double dx, double dy, double v) {
+        double l = FMath.norm(dx, dy);
+        this.jumping = true;
+        this.vx = 5.0 * (dx / l) * v;
+        this.vy = 5.0 * (dy / l) * v;
+        this.vz = 5.0 * v;
+    }
+
+    public void jump(Direction d, double v) {
+        this.jump(
+            d.x + (d == Direction.NORTH || d == Direction.SOUTH ? 0.1 : 0.0),
+            d.y + (d == Direction.EAST || d == Direction.WEST ? 0.3 : 0.0),
+            v
+        );
+    }
+
+    @Override
+    public void tick() {
+        super.tick();
+
+        if (this.jumping && this.jumpTrail && Global.random.nextInt(6) == 0) {
+            EntitySmashParticle.spawn(this.level, this.x, this.y, this.trailColor, 2, 4);
+        }
+
+        if (this.vz > 0.0) {
+            this.vx *= 0.97;
+            this.vy *= 0.97;
+            this.vz -= 0.11;
+        } else if (this.vz <= 0.0) {
+            this.jumping = false;
+            this.vz = 0.0;
+            this.vx *= 0.6;
+            this.vy *= 0.6;
+        }
+
+        if (Math.abs(this.vx) < 0.001) {
+            this.vx = 0.0;
+        }
+
+        if (Math.abs(this.vy) < 0.001) {
+            this.vy = 0.0;
+        }
+
+        this.move(
+            FMath.tickedDoubleToInt(Global.ticks, this.vx),
+            FMath.tickedDoubleToInt(Global.ticks, this.vy)
+        );
+    }
+
+    @Override
+    public int getRenderOffsetX() {
+        return -2;
+    }
+
+    @Override
+    public int getRenderOffsetY() {
+        return -8;
+    }
+
+    @Override
+    public void render() {
+        super.render();
+
+        Global.random.setSeed(this.id);
+        int color = this.invulnerableTicks > 0 && ((Global.ticks / 4) % 2) == 0 ? this.hitColor : this.color;
+        boolean sprite = this.jumping || ((Global.ticks + this.id) / 30) % 2 == 0;
+        int sx = sprite ? BASE_SPRITE_X + 2 : BASE_SPRITE_X, sy = BASE_SPRITE_Y;
+        for (int i = 0; i <= 1; i++) {
+            for (int j = 0; j <= 1; j++) {
+                Renderer.render(
+                    sx + i, sy + j,
+                    this.x + this.getRenderOffsetX() + (i * 8),
+                    this.y + this.getRenderOffsetY() + (j * 8),
+                    color, Renderer.FLIP_NONE
+                );
+            }
+        }
+    }
+
+    @Override
+    public double getStaminaRechargeRate() {
+        return 0.2 * this.strength;
+    }
+
+    @Override
+    public int getMaxStamina() {
+        return (int) (10 * this.strength);
+    }
+
+    @Override
+    public int getMaxHealth() {
+        return (int) (10 * this.strength);
+    }
+
+    @Override
+    public boolean canSwimIn(Tile tile, int x, int y) {
+        return false;
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/mob/EntityZombie.java

@@ -0,0 +1,148 @@
+package com.jdh.microcraft.entity.mob;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.entity.Entity;
+import com.jdh.microcraft.entity.EntityItem;
+import com.jdh.microcraft.entity.EntityPlayer;
+import com.jdh.microcraft.entity.ai.AIZombie;
+import com.jdh.microcraft.entity.particle.EntitySmashParticle;
+import com.jdh.microcraft.gfx.Color;
+import com.jdh.microcraft.item.Inventory;
+import com.jdh.microcraft.item.Item;
+import com.jdh.microcraft.item.ItemInstance;
+import com.jdh.microcraft.item.ItemStack;
+import com.jdh.microcraft.item.armor.ItemArmor;
+import com.jdh.microcraft.item.tool.ItemTool;
+import com.jdh.microcraft.level.Level;
+
+public class EntityZombie extends EntityHumanoid {
+    private static final Item[] LOOT_TABLE = {
+        Item.GEM, Item.GOLD_INGOT, Item.MITHRIL_INGOT,
+        Item.IRON_INGOT, Item.IRON_INGOT, Item.IRON_INGOT, Item.IRON_INGOT,
+        Item.IRON_ORE, Item.IRON_ORE, Item.IRON_ORE, Item.IRON_ORE, Item.IRON_ORE,
+        Item.IRON_ORE, Item.IRON_ORE, Item.IRON_ORE, Item.IRON_ORE, Item.IRON_ORE,
+        Item.ROCK, Item.ROCK, Item.ROCK, Item.ROCK, Item.ROCK, Item.ROCK, Item.ROCK
+    };
+
+    private final int pantsColor, shirtColor;
+    public final double strength;
+
+    public EntityZombie(Level level, int x, int y, double strength) {
+        super(level, new Inventory(5));
+        this.strength = strength * Global.game.difficulty;
+        this.x = x;
+        this.y = y;
+        this.pantsColor = Color.randomRGB(1, 5);
+        this.shirtColor = Color.randomRGB(1, 5);
+        this.ai = new AIZombie(this);
+        this.health = this.getMaxHealth();
+        this.stamina = this.getMaxStamina();
+    }
+
+    public static EntityZombie createEasyZombie(Level level) {
+        EntityZombie zombie = new EntityZombie(
+            level, 0, 0, 0.9
+        );
+        EntityHumanoid.giveRandomEquipment(zombie, 1, true, true);
+        return zombie;
+    }
+
+    public static EntityZombie createMediumZombie(Level level) {
+        EntityZombie zombie = new EntityZombie(
+            level, 0, 0, 1.0
+        );
+        EntityHumanoid.giveRandomEquipment(zombie, 2, true, true);
+        return zombie;
+    }
+
+
+    public static EntityZombie createHardZombie(Level level) {
+        EntityZombie zombie = new EntityZombie(
+            level, 0, 0, 1.15
+        );
+        EntityHumanoid.giveRandomEquipment(zombie, 3, true, true);
+        return zombie;
+    }
+
+
+    @Override
+    protected int getAnimationFrameTicks() {
+        return Math.max(10 - ((int) (2.0 / this.strength)), 6);
+    }
+
+    @Override
+    public void die() {
+        super.die();
+        EntitySmashParticle.spawn(this.level, this.x, this.y, this.getColor(), 4, 8);
+
+        if (Global.random.nextBoolean()) {
+            EntityItem.spawn(
+                this.level,
+                new ItemStack(new ItemInstance(LOOT_TABLE[Global.random.nextInt(LOOT_TABLE.length)], 0), 1),
+                this.x, this.y
+            );
+        }
+
+        Global.game.score += 30 * this.strength;
+    }
+
+    @Override
+    public int getHitDamage(Entity e) {
+        return (int) (super.getHitDamage(e) * this.strength);
+    }
+
+    @Override
+    public void collide(Entity e) {
+        super.collide(e);
+
+        if (e instanceof EntityPlayer) {
+            this.hit(e);
+            e.onHit(this);
+        }
+    }
+
+    @Override
+    public boolean canPickup(EntityItem e) {
+        return (e.stack.instance.item instanceof ItemTool && this.equipped == null) ||
+            (e.stack.instance.item instanceof ItemArmor &&
+                this.armor[((ItemArmor) e.stack.instance.item).slot] == null);
+    }
+
+    @Override
+    public void pickup(ItemStack stack) {
+        super.pickup(stack);
+        if (stack.instance.item instanceof ItemTool && this.equipped == null) {
+            this.equipped = stack;
+        } else if (stack.instance.item instanceof ItemArmor) {
+            ItemArmor armor = (ItemArmor) stack.instance.item;
+            if (this.armor[armor.slot] == null) {
+                this.armor[armor.slot] = stack;
+            }
+        }
+    }
+
+    @Override
+    public int getColor() {
+        return Color.get(000, this.pantsColor, this.shirtColor, 141);
+    }
+
+    @Override
+    public int getHurtColor() {
+        return Color.get(544, Color.add(this.pantsColor, 222), Color.add(this.shirtColor, 222), 555);
+    }
+
+    @Override
+    public double getStaminaRechargeRate() {
+        return 0.15;
+    }
+
+    @Override
+    public int getMaxStamina() {
+        return (int) (10 * this.strength);
+    }
+
+    @Override
+    public int getMaxHealth() {
+        return (int) (10 * this.strength);
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/particle/EntityParticle.java

@@ -0,0 +1,70 @@
+package com.jdh.microcraft.entity.particle;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.entity.Entity;
+import com.jdh.microcraft.level.Level;
+import com.jdh.microcraft.level.tile.Tile;
+
+public class EntityParticle extends Entity {
+    protected int timeToLive;
+    protected double vx, vy, dx, dy;
+    protected boolean gravity;
+
+    public EntityParticle(Level level, int x, int y) {
+        super(level);
+        this.x = x;
+        this.y = y;
+        this.width = 2;
+        this.height = 2;
+        this.timeToLive = 45 + Global.random.nextInt(60);
+        this.vx = (Global.random.nextBoolean() ? -1.0 : 1.0) * (0.2 + (Global.random.nextDouble() * 0.4));
+        this.vy = -(0.8 + (Global.random.nextDouble() * 0.5));
+        this.gravity = true;
+    }
+
+    protected int getRenderX() {
+        return (int) (this.x + this.dx);
+    }
+
+    protected int getRenderY() {
+        return (int) (this.y + this.dy);
+    }
+
+    @Override
+    public void tick() {
+        if (--this.timeToLive == 0) {
+            this.remove();
+            return;
+        }
+
+       this.dx += this.vx;
+       this.dy += this.vy;
+
+       if (this.gravity && this.dy >= 8.0) {
+           // bounce at bottom
+           this.vx *= 0.3;
+           this.vy *= (this.vy > 0 ? -1.0 : 1.0) * 0.4;
+       } else if (Math.abs(this.vy) < 0.01) {
+           // clamp small values
+           this.vx = 0.0;
+           this.vy = 0.0;
+       } else if (this.gravity) {
+           // gravity
+           this.vy += 0.1;
+       }
+
+        if (Math.abs(this.vx) < 0.01) {
+            this.vx = 0.0;
+        }
+    }
+
+    @Override
+    public boolean collides(Entity e) {
+        return false;
+    }
+
+    @Override
+    public boolean canSwimIn(Tile tile, int x, int y) {
+        return true;
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/particle/EntitySmashParticle.java

@@ -0,0 +1,33 @@
+package com.jdh.microcraft.entity.particle;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.gfx.Renderer;
+import com.jdh.microcraft.level.Level;
+
+public class EntitySmashParticle extends EntityParticle {
+    private static final int SPRITE_X = 12, SPRITE_Y = 2;
+
+    private final int color;
+
+    public EntitySmashParticle(Level level, int x, int y, int color) {
+        super(level, x, y);
+        this.color = color;
+    }
+
+    public static void spawn(Level level, int x, int y, int color, int min, int max) {
+        int n = min + Global.random.nextInt(max - min + 1);
+        for (int i = 0; i < n; i++) {
+            level.addEntity(new EntitySmashParticle(level, x, y, color));
+        }
+    }
+
+    @Override
+    public void render() {
+        Global.random.setSeed(this.id);
+        Renderer.render(
+            SPRITE_X, SPRITE_Y, this.getRenderX(), this.getRenderY(), color,
+            (Global.random.nextBoolean() ? Renderer.FLIP_X : Renderer.FLIP_NONE) |
+                (Global.random.nextBoolean() ? Renderer.FLIP_Y : Renderer.FLIP_NONE)
+        );
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/particle/EntitySmokeParticle.java

@@ -0,0 +1,36 @@
+package com.jdh.microcraft.entity.particle;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.gfx.Renderer;
+import com.jdh.microcraft.level.Level;
+
+public class EntitySmokeParticle extends EntityParticle {
+    private static final int SPRITE_X = 12, SPRITE_Y = 2;
+
+    private final int color;
+
+    public EntitySmokeParticle(Level level, int x, int y, int color) {
+        super(level, x, y);
+        this.color = color;
+        this.gravity = false;
+        this.vx = (Global.random.nextBoolean() ? -1.0 : 1.0) * (0.1 + (Global.random.nextDouble() * 0.1));
+        this.vy = -(0.4 + (Global.random.nextDouble() * 0.3));
+    }
+
+    public static void spawn(Level level, int x, int y, int color, int min, int max) {
+        int n = min + Global.random.nextInt(max - min + 1);
+        for (int i = 0; i < n; i++) {
+            level.addEntity(new EntitySmokeParticle(level, x, y, color));
+        }
+    }
+
+    @Override
+    public void render() {
+        Global.random.setSeed(this.id);
+        Renderer.render(
+            SPRITE_X, SPRITE_Y, this.getRenderX(), this.getRenderY(), color,
+            (Global.random.nextBoolean() ? Renderer.FLIP_X : Renderer.FLIP_NONE) |
+                (Global.random.nextBoolean() ? Renderer.FLIP_Y : Renderer.FLIP_NONE)
+        );
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/particle/EntityTextParticle.java

@@ -0,0 +1,29 @@
+package com.jdh.microcraft.entity.particle;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.gfx.Color;
+import com.jdh.microcraft.gfx.Font;
+import com.jdh.microcraft.level.Level;
+
+public class EntityTextParticle extends EntityParticle {
+    private final String text;
+    private final int color;
+
+    public EntityTextParticle(Level level, int x, int y, String text, int color) {
+        super(level, x, y);
+        this.text = text;
+        this.color = color;
+        this.timeToLive = 30 + Global.random.nextInt(30);
+    }
+
+    public static void spawn(Level level, int x, int y, String text, int color) {
+        level.addEntity(new EntityTextParticle(level, x, y, text, color));
+    }
+
+    @Override
+    public void render() {
+        Global.random.setSeed(this.id);
+        Font.render(this.text, this.getRenderX() + 1, this.getRenderY() + 1, Color.add(this.color, -222));
+        Font.render(this.text, this.getRenderX(), this.getRenderY(), this.color);
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/projectile/EntityAirBlast.java

@@ -0,0 +1,64 @@
+package com.jdh.microcraft.entity.projectile;
+
+import com.jdh.microcraft.entity.Entity;
+import com.jdh.microcraft.entity.EntityItem;
+import com.jdh.microcraft.entity.mob.EntityMob;
+import com.jdh.microcraft.gfx.Color;
+import com.jdh.microcraft.level.Level;
+
+public class EntityAirBlast extends EntityProjectile {
+    public EntityAirBlast(Level level, Entity shooter, int x, int y, int dx, int dy, double s, int damage) {
+        super(level, shooter, x, y, dx, dy, s, damage, 180);
+        this.width = 4;
+        this.height = 4;
+    }
+
+    @Override
+    public boolean hit(Entity e) {
+        if (e instanceof EntityItem) {
+            e.remove();
+            return true;
+        } else if (!(e instanceof EntityMob)) {
+            return false;
+        }
+
+        ((EntityMob) e).hurt(this.damage, this);
+        this.remove();
+        return true;
+    }
+
+    @Override
+    protected boolean moveAxis(int dx, int dy) {
+        if (!super.moveAxis(dx, dy)) {
+            this.remove();
+            return false;
+        }
+
+        return true;
+    }
+
+    @Override
+    public int getColor() {
+        return Color.get(222, 333, 445, 555);
+    }
+
+    @Override
+    protected int getHorizontalSpriteX() {
+        return 14;
+    }
+
+    @Override
+    protected int getHorizontalSpriteY() {
+        return 8;
+    }
+
+    @Override
+    protected int getVerticalSpriteX() {
+        return 14;
+    }
+
+    @Override
+    protected int getVerticalSpriteY() {
+        return 8;
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/projectile/EntityArrow.java

@@ -0,0 +1,54 @@
+package com.jdh.microcraft.entity.projectile;
+
+import com.jdh.microcraft.entity.Entity;
+import com.jdh.microcraft.entity.EntityItem;
+import com.jdh.microcraft.entity.mob.EntityMob;
+import com.jdh.microcraft.gfx.Color;
+import com.jdh.microcraft.level.Level;
+
+public class EntityArrow extends EntityProjectile {
+    public EntityArrow(Level level, Entity shooter, int x, int y, int dx, int dy, double s, int damage) {
+        super(level, shooter, x, y, dx, dy, s, damage, 180);
+        this.width = 4;
+        this.height = 4;
+    }
+
+    @Override
+    public boolean hit(Entity e) {
+        if (e instanceof EntityItem) {
+            e.remove();
+            return true;
+        } else if (!(e instanceof EntityMob)) {
+            return false;
+        }
+
+        ((EntityMob) e).hurt(this.damage, this);
+        this.remove();
+        return true;
+    }
+
+    @Override
+    public int getColor() {
+        return Color.get(220, 330, 333, 444);
+    }
+
+    @Override
+    protected int getHorizontalSpriteX() {
+        return 1;
+    }
+
+    @Override
+    protected int getHorizontalSpriteY() {
+        return 8;
+    }
+
+    @Override
+    protected int getVerticalSpriteX() {
+        return 0;
+    }
+
+    @Override
+    protected int getVerticalSpriteY() {
+        return 8;
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/entity/projectile/EntityProjectile.java

@@ -0,0 +1,122 @@
+package com.jdh.microcraft.entity.projectile;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.entity.Entity;
+import com.jdh.microcraft.entity.EntityItem;
+import com.jdh.microcraft.entity.furniture.EntityFurnace;
+import com.jdh.microcraft.entity.furniture.EntityFurniture;
+import com.jdh.microcraft.entity.mob.EntityMob;
+import com.jdh.microcraft.gfx.Renderer;
+import com.jdh.microcraft.level.Level;
+import com.jdh.microcraft.level.tile.Tile;
+import com.jdh.microcraft.util.Direction;
+import com.jdh.microcraft.util.FMath;
+
+public abstract class EntityProjectile extends Entity {
+    protected final int damage;
+    protected final Entity shooter;
+    private int timeToLive;
+    private double vx, vy;
+
+    public EntityProjectile(Level level, Entity shooter, int x, int y, int dx, int dy, double s, int damage, int ttl) {
+        super(level);
+        this.shooter = shooter;
+        this.damage = damage;
+        this.timeToLive = ttl;
+        this.x = x;
+        this.y = y;
+
+        // compute velocities in direction of dx, dy
+        double xx = FMath.sign(dx - this.x),
+            yy = FMath.sign(dy - this.y),
+            l = FMath.norm(xx, yy);
+
+        xx = (xx / l) * s;
+        yy = (yy / l) * s;
+        this.vx = Double.isNaN(xx) ? 0 : xx;
+        this.vy = Double.isNaN(yy) ? 0 : yy;
+    }
+
+    @Override
+    public void tick() {
+        super.tick();
+
+        this.move(
+            FMath.tickedDoubleToInt(Global.ticks, this.vx),
+            FMath.tickedDoubleToInt(Global.ticks, this.vy)
+        );
+
+        if (--this.timeToLive == 0) {
+            this.remove();
+        }
+    }
+
+    @Override
+    public void render() {
+        int sx = 0, sy = 0, flip = 0;
+
+        switch (this.direction) {
+            case NORTH, SOUTH -> {
+                sx = this.getVerticalSpriteX();
+                sy = this.getVerticalSpriteY();
+                flip = this.direction == Direction.SOUTH ? Renderer.FLIP_Y : 0;
+            }
+            case EAST, WEST -> {
+                sx = this.getHorizontalSpriteX();
+                sy = this.getHorizontalSpriteY();
+                flip = this.direction == Direction.WEST ? Renderer.FLIP_X : 0;
+            }
+        }
+
+        Renderer.render(
+            sx, sy,
+            this.x + this.getRenderOffsetX(), this.y + this.getRenderOffsetY(),
+            this.getColor(), flip
+        );
+    }
+
+    @Override
+    public boolean collides(Entity e) {
+        return e != this.shooter &&
+            !(e instanceof EntityProjectile) &&
+            (Math.abs(this.vx) > 0.0 || Math.abs(this.vy) > 0.0);
+    }
+
+    @Override
+    public void collide(Entity e) {
+        super.collide(e);
+
+        if (this.hit(e)) {
+            e.onHit(this);
+        }
+    }
+
+    @Override
+    protected boolean moveAxis(int dx, int dy) {
+        if (!super.moveAxis(dx, dy)) {
+            this.vx = 0.0;
+            this.vy = 0.0;
+            return false;
+        }
+
+        return true;
+    }
+
+    @Override
+    public boolean canSwimIn(Tile tile, int x, int y) {
+        return true;
+    }
+
+    @Override
+    public abstract boolean hit(Entity e);
+
+    public abstract int getColor();
+
+    protected abstract int getHorizontalSpriteX();
+
+    protected abstract int getHorizontalSpriteY();
+
+    protected abstract int getVerticalSpriteX();
+
+    protected abstract int getVerticalSpriteY();
+}

Java/Microcraft/src/com/jdh/microcraft/gfx/Camera.java

@@ -0,0 +1,13 @@
+package com.jdh.microcraft.gfx;
+
+import com.jdh.microcraft.util.FMath;
+
+public class Camera {
+    // translation
+    public int tx = 0, ty = 0;
+
+    public void centerOn(int x, int y, int minX, int minY, int maxX, int maxY) {
+        this.tx = FMath.clamp(x - (Renderer.WIDTH / 2), minX, maxX - Renderer.WIDTH);
+        this.ty = FMath.clamp(y - (Renderer.HEIGHT / 2), minY, maxY - Renderer.HEIGHT);
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/gfx/Color.java

@@ -0,0 +1,87 @@
+package com.jdh.microcraft.gfx;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.util.FMath;
+
+public class Color {
+    // get(a, b, c, d) but with array elements
+    public static int get(int[] abcd) {
+        return Color.get(abcd[0], abcd[1], abcd[2], abcd[3]);
+    }
+
+    // gets color palette integer of specified 4 colors in format RGB where each component is one (base 10) digit
+    public static int get(int a, int b, int c, int d) {
+        return ((Color.map(d) & 0xFF) << 24) |
+            ((Color.map(c) & 0xFF) << 16) |
+            ((Color.map(b) & 0xFF) << 8) |
+            (Color.map(a) & 0xFF);
+    }
+
+    // replaces color c component i with RGB triple x
+    public static int withComponent(int c, int x, int i) {
+        return (c & ~(0xFF << (i * 8))) | ((Color.map(x) & 0xFF) << (i * 8));
+    }
+
+    // gets a single component of a color as a triple
+    public static int component(int c, int i) {
+        return Color.iToRGB((c >> (i * 8)) & 0xFF);
+    }
+
+    // palette index to rgb triple
+    public static int iToRGB(int i) {
+        int r = i / 36,
+            g = ((i - (r * 36)) / 6),
+            b = ((i - (r * 36)) % 6);
+        return (r * 100) + (g * 10) + b;
+    }
+
+    // maps RGB (where R, G, B are base 10 digits in [0..5]) to palette index
+    public static int map(int d) {
+        if (d < 0) {
+            return 0;
+        }
+
+        return ((d / 100) % 10) * 36 + ((d / 10) % 10) * 6 + (d % 10);
+    }
+
+    // adds and clamps a single RGB triple
+    public static int add(int c, int v) {
+        return FMath.clamp(((c / 100) % 10) + ((v / 100) % 10), 0, 5) * 100 +
+            FMath.clamp(((c / 10) % 10) + ((v / 10) % 10), 0, 5) * 10 +
+            FMath.clamp((c % 10) + (v % 10), 0, 5);
+    }
+
+    // multiplies and clamps a single RGB triple
+    public static int mul(int c, int v) {
+        return FMath.clamp(((c / 100) % 10) * ((v / 100) % 10), 0, 5) * 100 +
+            FMath.clamp(((c / 10) % 10) * ((v / 10) % 10), 0, 5) * 10 +
+            FMath.clamp((c % 10) * (v % 10), 0, 5);
+    }
+
+    // adds and clamps all RGB triples in a color
+    public static int addAll(int c, int v) {
+        return get(
+            add(component(c, 0), v),
+            add(component(c, 1), v),
+            add(component(c, 2), v),
+            add(component(c, 3), v)
+        );
+    }
+
+    public static int randomRGB(int min, int max) {
+        return
+            (Global.random.nextInt(max - min + 1)) * 100 +
+            (Global.random.nextInt(max - min + 1)) * 10 +
+            (Global.random.nextInt(max - min + 1));
+    }
+
+    // gets r, g, or b from an RGB triple
+    public static int getRGBComponent(int rgb, int i) {
+        return (rgb / ((int) Math.pow(10, i))) % 10;
+    }
+
+    // gets RGB triple from R, G, B components in 0..5 range
+    public static int getRGB(int r, int g, int b) {
+        return (r * 100) + (g * 10) + b;
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/gfx/Font.java

@@ -0,0 +1,125 @@
+package com.jdh.microcraft.gfx;
+
+import java.util.Arrays;
+import java.util.Optional;
+
+public class Font {
+    public enum Colors {
+        RED('R', 500),
+        ORANGE('O', 441),
+        YELLOW('Y', 550),
+        GREEN('G', 050),
+        BLUE('B', 005),
+        PURPLE('P', 404),
+        PINK('I', 533),
+        WHITE('W', 555),
+        GREY('E', 333),
+        BLACK('L', 000),
+        DARK_GREY('D', 111);
+
+        public final char c;
+        public final int color;
+
+        Colors(char c, int color) {
+            this.c = c;
+            this.color = color;
+        }
+
+        @Override
+        public String toString() {
+            return "$" + this.c;
+        }
+    }
+
+    private static final int BASE_OFFSET_X = 0, BASE_OFFSET_Y = 13;
+    private static final String[] LAYOUT = {
+        "ABCDEFGHIJKLMNOP",
+        "QRSTUVWXYZ!/<>:+",
+        "1234567890&=().?"
+    };
+
+    public static int width(String s) {
+        int w = 0;
+
+        char[] chars = s.toCharArray();
+        for (int i = 0; i < chars.length; i++) {
+            if (chars[i] == '$' && i != (chars.length - 1)) {
+                if (chars[i + 1] != '$') {
+                    i++;
+                }
+                continue;
+            }
+
+            w += 8;
+        }
+        return w;
+    }
+
+    public static int offset(char c) {
+        for (int i = 0; i < LAYOUT.length; i++) {
+            int j;
+            if ((j = LAYOUT[i].indexOf(c)) != -1) {
+                return ((BASE_OFFSET_Y + i) * Renderer.spritesheet.sizeSprites) + (BASE_OFFSET_X + j);
+            }
+        }
+
+        // character not found -> ?
+        return 15 * Renderer.spritesheet.sizeSprites + 15;
+    }
+
+    public static void render(char c, int x, int y, int color) {
+        Font.render(c, x, y, color, -1);
+    }
+
+    public static void render(char c, int x, int y, int color, int backgroundColor) {
+        if (Character.isWhitespace(c)) {
+            return;
+        }
+
+        if (backgroundColor != -1) {
+            Renderer.fill(x, y, 8, 8, backgroundColor);
+        }
+
+        Renderer.render(
+            Font.offset(c),
+            x, y,
+            Color.get(color, color, color, color),
+            Renderer.FLIP_NONE
+        );
+    }
+
+    public static void render(String s, int x, int y, int color) {
+        Font.render(s, x, y, color, -1);
+    }
+
+    // color, backgroundColor should be single RGB digit triple
+    // no background if backgroundColor == -1
+    public static void render(String s, int x, int y, int color, int backgroundColor) {
+        int count = 0;
+        int currentColor = color;
+        for (int i = 0; i < s.length(); i++) {
+            char c = Character.toUpperCase(s.charAt(i));
+
+            if (c == '$' && (i != (s.length() - 1))) {
+                char n = s.charAt(i + 1);
+
+                if (n == '$') {
+                    continue;
+                } else {
+                    Optional<Colors> cl = Arrays.stream(Colors.values()).filter(e -> e.c == n).findFirst();
+
+                    if (cl.isEmpty()) {
+                        throw new IllegalStateException();
+                    }
+
+                    currentColor = cl.get().color;
+                    i++;
+                    continue;
+                }
+            }
+
+            render(c, x + (count * 8), y, currentColor, backgroundColor);
+            count++;
+        }
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/gfx/Light.java

@@ -0,0 +1,11 @@
+package com.jdh.microcraft.gfx;
+
+public class Light {
+    public final int x, y, power;
+
+    public Light(int x, int y, int power) {
+        this.x = x;
+        this.y = y;
+        this.power = power;
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/gfx/Renderer.java

@@ -0,0 +1,224 @@
+package com.jdh.microcraft.gfx;
+
+import com.jdh.microcraft.util.AABB;
+import com.jdh.microcraft.util.FMath;
+
+import java.util.*;
+
+public class Renderer {
+    public static final int[] DITHER = new int[]{0, 8, 2, 10, 12, 4, 14, 6, 3, 11, 1, 9, 15, 7, 13, 5};
+
+    // renderer flags
+    public static final int FLIP_NONE = 0x00, FLIP_X = 0x01, FLIP_Y = 0x02, FLIP_XY = FLIP_X | FLIP_Y;
+
+    // target width/height
+    public static final int WIDTH = 256, HEIGHT = 144;
+
+    // screen pixels, each entry in [0..216) referring to palette entry
+    // palette is determined by Window
+    public static int[] pixels = new int[WIDTH * HEIGHT];
+
+    // global spritesheet
+    public static Spritesheet spritesheet = new Spritesheet("/tiles.png", 8);
+
+    // stored camera stack
+    private static Stack<Camera> cameraStack = new Stack<>();
+
+    // lights
+    private static List<Light> lights = new ArrayList<>();
+
+    // current camera
+    public static Camera camera = new Camera();
+
+    // generates color palette, 24-bpp RGB
+    public static int[] generatePalette() {
+        int[] result = new int[256];
+
+        int i = 0;
+        for (int r = 0; r < 6; r++) {
+            for (int g = 0; g < 6; g++) {
+                for (int b = 0; b < 6; b++) {
+                    int rr = (r * 255) / 5,
+                        gg = (g * 255) / 5,
+                        bb = (b * 255) / 5,
+                        m = (rr * 30 + gg * 59 + bb * 11) / 100;
+
+                    result[i++] = ((((rr + m) / 2) * 230 / 255 + 10) << 16) |
+                        ((((gg + m) / 2) * 230 / 255 + 10) << 8) |
+                        ((((bb + m) / 2) * 230 / 255 + 10) << 0);
+                }
+            }
+        }
+
+        return result;
+    }
+
+    public static void reset() {
+        Renderer.clear();
+        Renderer.clearLights();
+        Renderer.cameraStack.clear();
+        Renderer.camera = new Camera();
+    }
+
+    public static void pushCamera() {
+        Renderer.cameraStack.push(Renderer.camera);
+        Renderer.camera = new Camera();
+    }
+
+    public static void popCamera() {
+        Renderer.camera = Renderer.cameraStack.pop();
+    }
+
+    public static void clearLights() {
+        Renderer.lights.clear();
+    }
+
+    public static void addLights(Collection<Light> lights) {
+        Renderer.lights.addAll(lights);
+    }
+
+    public static AABB getAABB() {
+        return new AABB(
+            Renderer.camera.tx,
+            Renderer.camera.ty,
+            Renderer.camera.tx + Renderer.WIDTH,
+            Renderer.camera.ty + Renderer.HEIGHT
+        );
+    }
+
+    public static boolean inBounds(int x, int y) {
+        int xt = x - Renderer.camera.tx, yt = y - Renderer.camera.ty;
+        return xt >= 0 && yt >= 0 && xt < Renderer.WIDTH && yt < Renderer.HEIGHT;
+    }
+
+    public static void clear() {
+        Arrays.fill(Renderer.pixels, 0);
+    }
+
+    public static void fill(int x, int y, int w, int h, int color) {
+        int xt = x - Renderer.camera.tx, yt = y - Renderer.camera.ty;
+
+        // check if entirely offscreen
+        if (xt + w < 0 || yt + h < 0) {
+            return;
+        }
+
+        for (int yy = yt; yy < yt + h && yy < Renderer.HEIGHT; yy++) {
+            if (yy < 0) {
+                continue;
+            }
+
+            for (int xx = xt; xx < xt + w && xx < Renderer.WIDTH; xx++) {
+                if (xx < 0) {
+                    continue;
+                }
+
+                Renderer.pixels[yy * Renderer.WIDTH + xx] = Color.map(color);
+            }
+        }
+    }
+
+    public static void render(Sprite sprite, int x, int y, int color) {
+        int xt = x - Renderer.camera.tx, yt = y - Renderer.camera.ty;
+
+        if (xt + sprite.width < 0 || yt + sprite.height < 0) {
+            return;
+        }
+
+        for (int yy = yt, ys = 0; yy < yt + sprite.height && yy < Renderer.HEIGHT; yy++, ys++) {
+            if (yy < 0) {
+                continue;
+            }
+
+            for (int xx = xt, xs = 0; xx < xt + sprite.width && xx < Renderer.WIDTH; xx++, xs++) {
+                if (xx < 0) {
+                    continue;
+                }
+
+                int p = sprite.pixels[ys * sprite.width + xs];
+                if (p >= 0) {
+                    Renderer.pixels[yy * Renderer.WIDTH + xx] = (color >> (p * 8)) & 0xFF;
+                }
+            }
+        }
+    }
+
+    public static void render(int s, int x, int y, int color, int flags) {
+        Renderer.render(
+            s % Renderer.spritesheet.sizeSprites,
+            s / Renderer.spritesheet.sizeSprites,
+            x, y, color, flags
+        );
+    }
+
+    public static void render(int sx, int sy, int x, int y, int color, int flags) {
+        int posX = x - camera.tx, posY = y - camera.ty,
+            minX = sx * Renderer.spritesheet.size, minY = sy * Renderer.spritesheet.size,
+            maxX = minX + Renderer.spritesheet.size, maxY = minY + Renderer.spritesheet.size;
+
+        // sprite will not be shown at all
+        if (posX + Renderer.spritesheet.size < 0 || posY + Renderer.spritesheet.size < 0) {
+            return;
+        }
+
+        for (int ys = minY, yr = posY; ys < maxY && yr < Renderer.HEIGHT; ys++, yr++) {
+            if (yr < 0) {
+                continue;
+            }
+
+            for (int xs = minX, xr = posX; xs < maxX && xr < Renderer.WIDTH; xs++, xr++) {
+                if (xr < 0) {
+                    continue;
+                }
+
+                int p = Renderer.spritesheet.pixels[
+                    ((flags & FLIP_Y) == 0 ? ys : (Renderer.spritesheet.size - (ys - minY) - 1 + minY))
+                        * Renderer.spritesheet.width +
+                        ((flags & FLIP_X) == 0 ? xs : (Renderer.spritesheet.size - (xs - minX) - 1 + minX))];
+
+                if (p >= 0) {
+                    Renderer.pixels[yr * Renderer.WIDTH + xr] = (color >> (p * 8)) & 0xFF;
+                }
+            }
+        }
+    }
+
+    // lights the current frame stored by the renderer
+    public static void light(int d) {
+        AABB aabb = Renderer.getAABB();
+
+        // compute (approx.) lights which affect this frame
+        Light[] lights = Renderer.lights.stream()
+            .filter(l -> {
+                int p = l.power * 16;
+                return AABB.collide(
+                    aabb.minX, aabb.minY, aabb.maxX, aabb.maxY,
+                    l.x - p, l.y - p, l.x + p, l.y + p
+                );
+            }).toArray(Light[]::new);
+
+        int[] oldPixels = Renderer.pixels.clone();
+        Arrays.fill(Renderer.pixels, 0);
+
+        int tx = Renderer.camera.tx, ty = Renderer.camera.ty;
+
+        for (int i = 0; i < (Renderer.WIDTH * Renderer.HEIGHT); i++) {
+            int x = i % Renderer.WIDTH, y = i / Renderer.WIDTH;
+
+            // compute contribution from each light
+            for (Light l : lights) {
+                int dx = l.x - (x + tx),
+                    dy = l.y - (y + ty),
+                    dist = (int) FMath.norm(dx, dy);
+
+                if (dist < (l.power * 4) ||
+                    (dist / l.power) <= DITHER[(((Math.abs(dy) % 4) * 4) + (Math.abs(dx) % 4))]) {
+                    Renderer.pixels[i] = d != 0 ?
+                        Color.map(Color.add(Color.iToRGB(oldPixels[i]), d)) :
+                        oldPixels[i];
+                    break;
+                }
+            }
+        }
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/gfx/Sprite.java

@@ -0,0 +1,37 @@
+package com.jdh.microcraft.gfx;
+
+import com.jdh.microcraft.Main;
+
+import javax.imageio.ImageIO;
+import java.awt.image.BufferedImage;
+import java.io.IOException;
+
+public class Sprite {
+    // sprite size in pixels
+    public int width, height;
+
+    // sprite pixels, mapped into [0..3] space
+    public int[] pixels;
+
+    public Sprite(String path) {
+        BufferedImage image;
+
+        try {
+            image = ImageIO.read(Main.class.getResourceAsStream(path));
+        } catch (IOException e) {
+            throw new Error(e);
+        }
+
+        this.width = image.getWidth();
+        this.height = image.getHeight();
+        this.pixels = new int[this.width * this.height];
+
+        int[] imagePixels = image.getRGB(
+            0, 0, image.getWidth(), image.getHeight(),
+            null, 0, image.getWidth());
+
+        for (int i = 0; i < this.width * this.height; i++) {
+            this.pixels[i] = ((imagePixels[i] >> 24) & 0xFF) != 0xFF ? -1 : (imagePixels[i] & 0xFF) / 64;
+        }
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/gfx/Spritesheet.java

@@ -0,0 +1,48 @@
+package com.jdh.microcraft.gfx;
+
+import com.jdh.microcraft.Main;
+
+import javax.imageio.ImageIO;
+import java.awt.image.BufferedImage;
+import java.io.IOException;
+
+public class Spritesheet {
+    // spritesheet size in pixels
+    public int width, height;
+
+    // spritesheet sprite size
+    public int size;
+
+    // spritesheet size in sprites
+    public int sizeSprites;
+
+    // spritesheet pixels, mapped into [0..3] space
+    public int[] pixels;
+
+    public Spritesheet(String path, int size) {
+        this.size = size;
+
+        BufferedImage image;
+
+        try {
+            image = ImageIO.read(Main.class.getResourceAsStream(path));
+        } catch (IOException e) {
+            throw new Error(e);
+        }
+
+        this.width = image.getWidth();
+        this.height = image.getHeight();
+        this.pixels = new int[this.width * this.height];
+
+        assert(this.width == this.height);
+        this.sizeSprites = this.width / this.size;
+
+        int[] imagePixels = image.getRGB(
+            0, 0, image.getWidth(), image.getHeight(),
+            null, 0, image.getWidth());
+
+        for (int i = 0; i < this.width * this.height; i++) {
+            this.pixels[i] = ((imagePixels[i] >> 24) & 0xFF) != 0xFF ? -1 : (imagePixels[i] & 0xFF) / 64;
+        }
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/gui/ChestMenu.java

@@ -0,0 +1,106 @@
+package com.jdh.microcraft.gui;
+
+import com.jdh.microcraft.entity.EntityPlayer;
+import com.jdh.microcraft.entity.furniture.EntityChest;
+import com.jdh.microcraft.item.ItemStack;
+import com.jdh.microcraft.util.ControlHandler;
+
+import java.util.List;
+
+public class ChestMenu extends Menu {
+    private class ChestPlayerInventoryMenu extends PlayerInventoryMenu {
+        public ChestPlayerInventoryMenu(EntityPlayer player) {
+            super(player, false);
+            this.focused = true;
+        }
+
+    }
+
+    private class ChestInventoryMenu extends InventoryMenu {
+        public ChestInventoryMenu(EntityChest chest) {
+            super(chest.inventory, false);
+            this.focused = false;
+        }
+
+        @Override
+        public String getName() {
+            return "CHEST";
+        }
+    }
+
+    private final ChestPlayerInventoryMenu playerMenu;
+    private final ChestInventoryMenu chestMenu;
+    private final List<Menu> submenus;
+
+    public ChestMenu(EntityPlayer player, EntityChest chest) {
+        this.playerMenu = new ChestPlayerInventoryMenu(player);
+        this.chestMenu = new ChestInventoryMenu(chest);
+        this.submenus = List.of(this.playerMenu, this.chestMenu);
+    }
+
+    @Override
+    public void init() {
+        super.init();
+        for (Menu m : this.submenus) {
+            m.init();
+        }
+    }
+
+    @Override
+    public void destroy() {
+        super.destroy();
+        for (Menu m : this.submenus) {
+            m.destroy();
+        }
+    }
+
+    @Override
+    public void tick() {
+        super.tick();
+
+        if (ControlHandler.MENU_LEFT.pressedTick() && !this.playerMenu.focused) {
+            this.playerMenu.focused = true;
+            this.chestMenu.focused = false;
+        }
+
+        if (ControlHandler.MENU_RIGHT.pressedTick() && !this.chestMenu.focused) {
+            this.playerMenu.focused = false;
+            this.chestMenu.focused = true;
+        }
+
+        boolean drop = ControlHandler.DROP.pressedTick();
+        if (ControlHandler.MENU_SELECT.pressedTick() || drop) {
+            InventoryMenu from = this.playerMenu.focused ? this.playerMenu : this.chestMenu,
+                to = from == this.playerMenu ? this.chestMenu : this.playerMenu;
+
+            List<ItemStack> fromItems = from.getItems();
+            if (from.selectedIndex >= 0 && from.selectedIndex < fromItems.size()) {
+                ItemStack s = fromItems.get(from.selectedIndex);
+
+                if (s.instance.item.isDroppable()) {
+                    to.inventory.add(from.inventory.remove(s.instance.item, drop ? 1 : s.size));
+                }
+            }
+        }
+
+        for (Menu m : this.submenus) {
+            m.tick();
+        }
+    }
+
+    @Override
+    public void update() {
+        super.update();
+        for (Menu m : this.submenus) {
+            m.update();
+        }
+    }
+
+    @Override
+    public void render() {
+        super.render();
+        for (Menu m : this.submenus) {
+            m.render();
+        }
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/gui/ColorSelectMenu.java

@@ -0,0 +1,184 @@
+package com.jdh.microcraft.gui;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.entity.mob.EntityHumanoid;
+import com.jdh.microcraft.gfx.Color;
+import com.jdh.microcraft.gfx.Font;
+import com.jdh.microcraft.gfx.Renderer;
+import com.jdh.microcraft.sound.Sound;
+import com.jdh.microcraft.util.ControlHandler;
+import com.jdh.microcraft.util.FMath;
+
+public class ColorSelectMenu extends Menu {
+    private static final String[] TITLE = new String[]{
+        "CHOOSE YOUR",
+        Font.Colors.YELLOW + "APPEARANCE"
+    };
+
+    private static final String[] LABELS = new String[]{
+        "OUTLINE/HAIR", "PANTS", "SHIRT", "SKIN"
+    };
+
+    private static final String[] COLOR_LABELS = new String[]{
+        "R", "G", "B"
+    };
+
+    private static final String[] INSTRUCTIONS = new String[] {
+        Font.Colors.GREY + "(" + Font.Colors.YELLOW + "X" + Font.Colors.GREY + " TO DECREASE/" +
+            Font.Colors.YELLOW + "C" + Font.Colors.GREY + " TO INCREASE)",
+        Font.Colors.GREY + "(" + Font.Colors.YELLOW + "R" + Font.Colors.GREY + " TO RANDOMIZE" +
+            Font.Colors.GREY + ")",
+        "",
+        Font.Colors.GREY + "PRESS " + Font.Colors.YELLOW + "ENTER"
+    };
+
+    public int[] colors;
+    private int colorIndex, rgbIndex;
+
+    public ColorSelectMenu() {
+        this.colorIndex = 0;
+        this.rgbIndex = 0;
+        this.randomize();
+    }
+
+    private void randomize() {
+        this.colors = new int[]{
+            Color.randomRGB(0, 2),
+            Color.randomRGB(0, 5),
+            Color.randomRGB(0, 5),
+            Color.randomRGB(0, 5)
+        };
+    }
+
+    // updates currently selected color component by the specified change (d)
+    private void updateCurrentComponent(int d) {
+        int rgb = this.colors[this.colorIndex];
+        int[] components = {
+            Color.getRGBComponent(rgb, 0),
+            Color.getRGBComponent(rgb, 1),
+            Color.getRGBComponent(rgb, 2)
+        };
+        components[2 - this.rgbIndex] = FMath.clamp(components[2 - this.rgbIndex] + d, 0, 5);
+        this.colors[this.colorIndex] = Color.getRGB(
+            components[2],
+            components[1],
+            components[0]
+        );
+    }
+
+    @Override
+    public void tick() {
+        super.tick();
+
+        if (ControlHandler.MENU_UP.pressedTick() && this.colorIndex > 0) {
+            this.colorIndex--;
+        }
+
+        if (ControlHandler.MENU_DOWN.pressedTick() && this.colorIndex < (LABELS.length - 1)) {
+            this.colorIndex++;
+        }
+
+        if (ControlHandler.MENU_LEFT.pressedTick() && this.rgbIndex > 0) {
+            this.rgbIndex--;
+        }
+
+        if (ControlHandler.MENU_RIGHT.pressedTick() && this.rgbIndex < (COLOR_LABELS.length - 1)) {
+            this.rgbIndex++;
+        }
+
+        if (ControlHandler.MENU_INCREASE.pressedTick()) {
+            this.updateCurrentComponent(+1);
+        }
+
+        if (ControlHandler.MENU_DECREASE.pressedTick()) {
+            this.updateCurrentComponent(-1);
+        }
+
+        if (ControlHandler.MENU_QUIT.pressedTick()) {
+            Global.mainMenu.menu = Global.mainMenu.mainMenu;
+        }
+
+        if (ControlHandler.MENU_SELECT.pressedTick()) {
+            Sound.CRAFT.play();
+            Global.mainMenu.menu = Global.mainMenu.difficultySelectMenu;
+        }
+
+        if (ControlHandler.MENU_RANDOMIZE.pressedTick()) {
+            this.randomize();
+        }
+    }
+
+    @Override
+    public void render() {
+        super.render();
+
+        int y = 8;
+        for (String s : TITLE) {
+            Font.render(s, (Renderer.WIDTH - Font.width(s)) / 2, y, 555);
+            y += 8;
+        }
+
+        y += 8;
+
+        int px = (Renderer.WIDTH - 16) / 2, py = y,
+            sx = EntityHumanoid.BASE_SPRITE_X, sy = EntityHumanoid.BASE_SPRITE_Y;
+
+        boolean flip = (Global.ticks / 15) % 2 == 0;
+        for (int i = 0; i <= 1; i++) {
+            for (int j = 0; j <= 1; j++) {
+                Renderer.render(
+                    sx + (flip ? (1 - i) : i), sy + j,
+                    px + (i * 8), py + (j * 8),
+                    Color.get(colors[0], colors[1], colors[2], colors[3]),
+                    flip ? Renderer.FLIP_X : Renderer.FLIP_NONE
+                );
+            }
+        }
+        y += 24;
+
+        // labels/colors
+        int maxWidth = 0;
+        for (String label : LABELS) {
+            int w = Font.width(label);
+            if (w > maxWidth) {
+                maxWidth = w;
+            }
+        }
+
+        for (int i = 0; i < 4; i++) {
+            int x = (Renderer.WIDTH - (maxWidth + 8 + (24 * 3) + 4 + 8)) / 2;
+
+            if (i == this.colorIndex) {
+                Font.render(">", x - 8, y, 555);
+            }
+
+            Font.render(LABELS[i], x, y, i == this.colorIndex ? 555 : 333);
+
+            x += maxWidth + 8;
+            for (int j = 0; j < 3; j++) {
+                Font.render(COLOR_LABELS[j], x, y, (i == this.colorIndex && j == this.rgbIndex) ? 550 : 333);
+                Renderer.fill(
+                    x + 12, y, 8, 8,
+                    Color.getRGBComponent(this.colors[i], 2 - j) * (int) Math.pow(10, 2 - j)
+                );
+                x += 24;
+            }
+
+            x += 4;
+            Renderer.fill(x, y, 8, 8, this.colors[i]);
+            x += 8;
+
+            if (i == this.colorIndex) {
+                Font.render("<", x, y, 555);
+            }
+
+            y += 12;
+        }
+        y += 8;
+
+        for (String s : INSTRUCTIONS) {
+            Font.render(s, (Renderer.WIDTH - Font.width(s)) / 2, y, 555);
+            y += 8;
+        }
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/gui/DialogMenu.java

@@ -0,0 +1,97 @@
+package com.jdh.microcraft.gui;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.gfx.Font;
+import com.jdh.microcraft.gfx.Renderer;
+import com.jdh.microcraft.util.Keyboard;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public class DialogMenu extends Menu {
+    protected final String title;
+    protected final String[] lines;
+    protected final int w;
+    protected final int h;
+    protected final Runnable onClose;
+    protected final int x, y;
+
+    public DialogMenu(String title, String[] lines, int w, int h, Runnable onClose) {
+        this.title = title;
+        this.lines = lines;
+        this.w = w;
+        this.h = h;
+        this.x = (Renderer.WIDTH - (this.w * 8)) / 2;
+        this.y = (Renderer.HEIGHT - (this.h * 8)) / 2;
+        this.onClose = onClose;
+        this.focused = true;
+    }
+
+    protected boolean shouldCenterText() {
+        return false;
+    }
+
+    protected boolean showPressAnyKey() {
+        return true;
+    }
+
+    protected boolean shouldAlignToMaxWidth() {
+        return false;
+    }
+
+    protected String[] getLines() {
+        return this.lines;
+    }
+
+    @Override
+    public void render() {
+        super.render();
+
+        this.renderMenu(title, x, y, this.w, this.h);
+
+        List<String> allLines = new ArrayList<>(Arrays.asList(this.getLines()));
+
+        if (this.showPressAnyKey()) {
+            allLines.add(" ");
+            allLines.add(Font.Colors.GREY + "PRESS ANY KEY");
+        }
+
+        int maxWidth = 0;
+        for (String line : this.getLines()) {
+            maxWidth = Math.max(maxWidth, Font.width(line));
+        }
+
+        for (int i = 0; i < allLines.size(); i++) {
+            String s = allLines.get(i);
+
+            int tx;
+            if (this.shouldCenterText() ||
+                (this.shouldAlignToMaxWidth() && i == (allLines.size() - 1))) {
+                tx = x + (((this.w * 8) - Font.width(s)) / 2);
+            } else if (this.shouldAlignToMaxWidth()) {
+                tx = x + (((this.w * 8) - maxWidth) / 2);
+            } else {
+                tx = x + 8;
+            }
+
+            Font.render(s, tx, y + ((i + 1) * 8), 555, -1);
+        }
+    }
+
+    @Override
+    public void tick() {
+        super.tick();
+
+        if (this.showPressAnyKey()) {
+            for (Keyboard.Key k : Keyboard.keys) {
+                if (k.pressedTick) {
+                    if (Global.game != null) {
+                        Global.game.setMenu(null);
+                    }
+                    this.onClose.run();
+                }
+            }
+        }
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/gui/DifficultySelectMenu.java

@@ -0,0 +1,99 @@
+package com.jdh.microcraft.gui;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.gfx.Font;
+import com.jdh.microcraft.gfx.Renderer;
+import com.jdh.microcraft.util.ControlHandler;
+
+public class DifficultySelectMenu extends Menu {
+    private static final String[] TITLE = {
+        Font.Colors.WHITE + "CHOOSE YOUR",
+        Font.Colors.RED + "DIFFICULTY"
+    };
+
+    private static final String[] INSTRUCTIONS = new String[] {
+        Font.Colors.GREY + "PRESS " + Font.Colors.YELLOW + "ENTER" + Font.Colors.GREY + " TO START!"
+    };
+
+    private static final int COUNT = 5;
+
+    private static final String[] DIFFICULTY_NAMES = {
+        "TOO EASY",
+        "EASY",
+        "NORMAL",
+        "KINDA HARD",
+        "HARD"
+    };
+
+    private static final double[] DIFFICULTY_VALUES = {
+        0.70,
+        0.85,
+        1.0,
+        1.15,
+        1.30
+    };
+
+    private int index;
+
+    public DifficultySelectMenu() {
+        this.index = 2;
+    }
+
+    public double getSelectedDifficulty() {
+        return DIFFICULTY_VALUES[this.index];
+    }
+
+    @Override
+    public void tick() {
+        super.tick();
+
+        if (ControlHandler.MENU_UP.pressedTick() && this.index > 0) {
+            this.index--;
+        }
+
+        if (ControlHandler.MENU_DOWN.pressedTick() && this.index < (COUNT - 1)) {
+            this.index++;
+        }
+
+        if (ControlHandler.MENU_QUIT.pressedTick()) {
+            Global.mainMenu.menu = Global.mainMenu.colorSelectMenu;
+        }
+
+        if (ControlHandler.MENU_SELECT.pressedTick()) {
+            Global.setState(Global.StateType.GAME);
+        }
+    }
+
+    @Override
+    public void render() {
+        super.render();
+
+        int y = 8;
+        for (String s : TITLE) {
+            Font.render(s, (Renderer.WIDTH - Font.width(s)) / 2, y, 555);
+            y += 8;
+        }
+
+        y += 32;
+
+        int maxWidth = 0;
+        for (String s : DIFFICULTY_NAMES) {
+            maxWidth = Math.max(maxWidth, Font.width(s));
+        }
+
+        for (int i = 0; i < COUNT; i++) {
+            String s = DIFFICULTY_NAMES[i];
+            Font.render(
+                s,
+                (Renderer.WIDTH - Font.width(s)) / 2, y + (i * 8),
+                i == this.index ? 555 : 333);
+        }
+
+        Font.render(">", ((Renderer.WIDTH - maxWidth) / 2) - 8, y + (this.index * 8), 555);
+        Font.render("<", (Renderer.WIDTH + maxWidth) / 2, y + (this.index * 8), 555);
+
+        for (String s : INSTRUCTIONS) {
+            Font.render(s, (Renderer.WIDTH - Font.width(s)) / 2, Renderer.HEIGHT - 8, 555);
+        }
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/gui/FocusMenu.java

@@ -0,0 +1,31 @@
+package com.jdh.microcraft.gui;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.util.Window;
+
+public class FocusMenu extends DialogMenu {
+    private final Menu oldMenu;
+
+    public FocusMenu(Menu oldMenu) {
+        super("", new String[] { " ", "CLICK TO FOCUS!" }, 16, 5, () -> {});
+        this.oldMenu = oldMenu;
+    }
+
+    @Override
+    protected boolean shouldCenterText() {
+        return true;
+    }
+
+    @Override
+    protected boolean showPressAnyKey() {
+        return false;
+    }
+
+    @Override
+    public void update() {
+        super.update();
+        if (Window.hasFocus()) {
+            Global.game.setMenu(this.oldMenu);
+        }
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/gui/HUD.java

@@ -0,0 +1,74 @@
+package com.jdh.microcraft.gui;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.entity.EntityPlayer;
+import com.jdh.microcraft.gfx.Color;
+import com.jdh.microcraft.gfx.Font;
+import com.jdh.microcraft.gfx.Renderer;
+
+public class HUD extends Menu {
+    private static final int HEALTH_SPRITE_X = 10, HEALTH_SPRITE_Y = 11;
+    private static final int STAMINA_SPRITE_X = 10, STAMINA_SPRITE_Y = 12;
+
+    private final EntityPlayer player;
+
+    public HUD(EntityPlayer player) {
+        this.player = player;
+        this.focused = true;
+    }
+
+    @Override
+    public void render() {
+        Renderer.fill(0, Renderer.HEIGHT - 16, Renderer.WIDTH, 16, 000);
+
+        // health
+        for (int i = 0; i < this.player.getMaxHealth(); i++) {
+            boolean flashing = this.player.health <= 2 && ((Global.frames / 10) % 2) == 0;
+            Renderer.render(
+                HEALTH_SPRITE_X, HEALTH_SPRITE_Y,
+                2 + (i * 8), Renderer.HEIGHT - 16,
+                i < this.player.health ?
+                    (flashing ?
+                        Color.get(311, 511, 533, 555) :
+                        Color.get(100, 400, 511, 533)
+                    ) :
+                    Color.get(100, 111, 222, 333),
+                Renderer.FLIP_NONE
+            );
+        }
+
+        // stamina
+        for (int i = 0; i < this.player.getMaxStamina(); i++) {
+            boolean flashing = this.player.staminaRechargeDelayTicks > 0 && Global.frames % 3 == 0;
+            Renderer.render(
+                STAMINA_SPRITE_X, STAMINA_SPRITE_Y,
+                2 + (i * 8), Renderer.HEIGHT - 8,
+                i < this.player.stamina ?
+                    Color.get(110, 331, 441, 551) :
+                    (flashing ?
+                        Color.get(333, 444, 555, 555) :
+                        Color.get(110, 222, 333, 444)),
+                Renderer.FLIP_NONE
+            );
+        }
+
+        // equipped item
+        if (player.equipped != null) {
+            this.player.equipped.instance.item.renderIcon(
+                this.player.equipped.instance,
+                Renderer.WIDTH - 100, Renderer.HEIGHT - 12
+            );
+
+            int xx = Renderer.WIDTH - 90;
+            if (player.equipped.size > 1) {
+                String s = Integer.toString(player.equipped.size);
+                Font.render(s, xx, Renderer.HEIGHT - 12, 444);
+                xx += Font.width(s) + 8;
+            }
+            Font.render(
+                this.player.equipped.instance.item.getName(),
+                xx, Renderer.HEIGHT - 12, 555
+            );
+        }
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/gui/InventoryMenu.java

@@ -0,0 +1,40 @@
+package com.jdh.microcraft.gui;
+
+import com.jdh.microcraft.item.Inventory;
+import com.jdh.microcraft.item.Item;
+import com.jdh.microcraft.item.ItemStack;
+import com.jdh.microcraft.util.ControlHandler;
+
+import java.util.Comparator;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class InventoryMenu extends ItemSelectMenu {
+    protected final Inventory inventory;
+
+    public InventoryMenu(Inventory inventory, boolean leftSide) {
+        super(leftSide, ControlHandler.MENU_UP, ControlHandler.MENU_DOWN);
+        this.inventory = inventory;
+    }
+
+    @Override
+    public List<ItemStack> getItems() {
+        // give a sorted list of items with POW GLOVE always on top
+        return inventory.stacks.stream()
+            .filter(s -> s.instance.item.showInMenu())
+            .sorted(Comparator
+                .<ItemStack, Boolean>comparing(s -> s.instance.item.id != Item.GLOVE.id)
+                .thenComparing(s -> s.instance.item.getName()))
+            .collect(Collectors.toList());
+    }
+
+    @Override
+    public int getItemTextColor(int index) {
+        return 555;
+    }
+
+    @Override
+    public String getName() {
+        return "INVENTORY";
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/gui/ItemListMenu.java

@@ -0,0 +1,62 @@
+package com.jdh.microcraft.gui;
+
+import com.jdh.microcraft.gfx.Color;
+import com.jdh.microcraft.gfx.Font;
+import com.jdh.microcraft.item.ItemStack;
+import com.jdh.microcraft.util.FMath;
+
+import java.util.List;
+
+public abstract class ItemListMenu extends Menu {
+    public final int x, y, width, height;
+    private int offset = 0;
+
+    public ItemListMenu(int x, int y, int width, int height) {
+        this.x = x;
+        this.y = y;
+        this.width = width;
+        this.height = height;
+    }
+
+    protected void setOffset(int offset) {
+        this.offset = FMath.clamp(offset, 0,this.getItems().size());
+    }
+
+    public int getOffset() {
+        return offset;
+    }
+
+    @Override
+    public void render() {
+        super.render();
+
+        List<ItemStack> items = this.getItems();
+
+        this.renderMenu(this.getName(), this.x, this.y, this.width, this.height);
+
+        // render item list
+        for (int i = 0, j = offset; i < this.height - 2 && j < items.size(); i++, j++) {
+            int yy = this.y + ((i + 1) * 8);
+            ItemStack stack = items.get(j);
+            int color = this.getItemTextColor(j);
+            stack.instance.item.renderIcon(stack.instance, x + 8, yy);
+
+            int xx = x + 16;
+            if (stack.size > 1) {
+                String s = Integer.toString(stack.size);
+                Font.render(s, xx, yy, Color.add(color, -111));
+                xx += Font.width(s) + 8;
+            }
+
+            Font.render(this.getItemName(j), xx, yy, color);
+        }
+    }
+
+    public abstract List<ItemStack> getItems();
+
+    public abstract String getItemName(int index);
+
+    public abstract int getItemTextColor(int index);
+
+    public abstract String getName();
+}

Java/Microcraft/src/com/jdh/microcraft/gui/ItemSelectMenu.java

@@ -0,0 +1,75 @@
+package com.jdh.microcraft.gui;
+
+import com.jdh.microcraft.gfx.Font;
+import com.jdh.microcraft.gfx.Renderer;
+import com.jdh.microcraft.item.ItemStack;
+import com.jdh.microcraft.util.Control;
+import com.jdh.microcraft.util.FMath;
+
+import java.util.List;
+
+public abstract class ItemSelectMenu extends ItemListMenu {
+    private static final int WIDTH = 14, HEIGHT = (Renderer.HEIGHT - 32) / 8;
+
+    protected final boolean leftSide;
+    protected final Control up, down;
+    protected int selectedIndex = 0;
+
+    public ItemSelectMenu(boolean leftSide, Control up, Control down) {
+        super(
+            leftSide ? 8 : (8 + WIDTH * 8 + 16), 8,
+            14, (Renderer.HEIGHT - 32) / 8
+        );
+        this.leftSide = leftSide;
+        this.up = up;
+        this.down = down;
+    }
+
+    protected void updateOffset()  {
+        if (this.selectedIndex < this.getOffset()) {
+            this.setOffset(this.selectedIndex);
+        }
+
+        if (this.selectedIndex >= this.getOffset() + (HEIGHT - 2)) {
+            this.setOffset(this.selectedIndex - (HEIGHT - 2) + 1);
+        }
+    }
+
+    @Override
+    public void tick() {
+        super.tick();
+        List<ItemStack> items = this.getItems();
+
+        if (this.focused) {
+            if (this.up.pressedTick() && this.selectedIndex > 0) {
+                this.selectedIndex--;
+            }
+
+            if (this.down.pressedTick() && this.selectedIndex < (items.size() - 1)) {
+                this.selectedIndex++;
+            }
+        }
+
+        // clamp selection index if its gone out of bounds
+        this.selectedIndex = FMath.clamp(this.selectedIndex, 0, items.size() - 1);
+        this.updateOffset();
+    }
+
+    @Override
+    public void render() {
+        super.render();
+
+        // render selection indicator
+        if (this.selectedIndex != -1) {
+            int color = this.focused ? 555 : 333;
+            int yy = this.y + (((this.selectedIndex - this.getOffset()) + 1) * 8);
+            Font.render(">", this.x, yy, color, Menu.MENU_BG_COLOR);
+            Font.render("<", this.x + ((WIDTH - 1) * 8), yy, color, Menu.MENU_BG_COLOR);
+        }
+    }
+
+    @Override
+    public String getItemName(int index) {
+        return this.getItems().get(index).instance.item.getName();
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/gui/LoseMenu.java

@@ -0,0 +1,14 @@
+package com.jdh.microcraft.gui;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.gfx.Font;
+
+public class LoseMenu extends DialogMenu {
+    public LoseMenu() {
+        super(":(", new String[]{
+            "",
+            "YOU " + Font.Colors.RED + "DIED",
+            "SCORE: " + Font.Colors.YELLOW + Global.game.score,
+        }, 22, 8, () -> Global.setState(Global.StateType.MENU));
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/gui/Menu.java

@@ -0,0 +1,75 @@
+package com.jdh.microcraft.gui;
+
+import com.jdh.microcraft.gfx.Color;
+import com.jdh.microcraft.gfx.Font;
+import com.jdh.microcraft.gfx.Renderer;
+
+public class Menu {
+    public boolean focused = false;
+
+    private static final int MENU_SPRITES_X = 11, MENU_SPRITES_Y = 11;
+    public static final int MENU_BG_COLOR = 115;
+
+    protected void renderMenu(String title, int x, int y, int wt, int ht) {
+        int color = this.focused ?
+            Color.get(111, 333, MENU_BG_COLOR, 444) :
+            Color.get(000, 111, MENU_BG_COLOR, 222);
+
+        // corners
+        Renderer.render(MENU_SPRITES_X, MENU_SPRITES_Y,
+            x, y, color, Renderer.FLIP_NONE);
+        Renderer.render(MENU_SPRITES_X, MENU_SPRITES_Y,
+            x + ((wt - 1) * 8), y, color, Renderer.FLIP_X);
+        Renderer.render(MENU_SPRITES_X, MENU_SPRITES_Y,
+            x, y + ((ht - 1) * 8), color, Renderer.FLIP_Y);
+        Renderer.render(MENU_SPRITES_X, MENU_SPRITES_Y,
+            x + ((wt - 1) * 8), y + ((ht - 1) * 8), color, Renderer.FLIP_XY);
+
+        // vertical sides
+        for (int i = 0; i < (ht - 2); i++) {
+            Renderer.render(MENU_SPRITES_X, MENU_SPRITES_Y + 1,
+                x, y + ((i + 1) * 8), color, Renderer.FLIP_NONE);
+            Renderer.render(MENU_SPRITES_X, MENU_SPRITES_Y + 1,
+                x + ((wt - 1) * 8), y + ((i + 1) * 8), color, Renderer.FLIP_X);
+        }
+
+        // horizontal sides
+        for (int i = 0; i < (wt - 2); i++) {
+            Renderer.render(MENU_SPRITES_X + 1, MENU_SPRITES_Y,
+                x + ((i + 1) * 8), y, color, Renderer.FLIP_NONE);
+            Renderer.render(MENU_SPRITES_X + 1, MENU_SPRITES_Y,
+                x + ((i + 1) * 8), y + ((ht - 1) * 8), color, Renderer.FLIP_Y);
+        }
+
+        // center
+        Renderer.fill(
+            x + 8, y + 8,
+            (wt - 2) * 8, (ht - 2) * 8,
+            MENU_BG_COLOR
+        );
+
+        // title
+        int titleX = x + (((wt * 8) / 2) - (Font.width(title) / 2));
+        Font.render(title, titleX, y, this.focused ? 551 : 331, MENU_BG_COLOR);
+    }
+
+    public void init() {
+
+    }
+
+    public void destroy() {
+
+    }
+
+    public void tick() {
+
+    }
+
+    public void update() {
+
+    }
+
+    public void render() {
+
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/gui/PauseMenu.java

@@ -0,0 +1,54 @@
+package com.jdh.microcraft.gui;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.gfx.Font;
+import com.jdh.microcraft.util.ControlHandler;
+
+public class PauseMenu extends DialogMenu {
+    private boolean onYes;
+
+    public PauseMenu() {
+        super("", new String[]{}, 20, 4,  () -> {});
+        this.onYes = false;
+    }
+
+    @Override
+    protected boolean showPressAnyKey() {
+        return false;
+    }
+
+    @Override
+    protected boolean shouldCenterText() {
+        return true;
+    }
+
+    @Override
+    protected String[] getLines() {
+        return new String[] {
+            "EXIT TO MAIN MENU?",
+            (this.onYes ? Font.Colors.YELLOW : Font.Colors.GREY) + "YES" +
+                (this.onYes ? Font.Colors.GREY : Font.Colors.YELLOW) + " NO"
+        };
+    }
+
+    @Override
+    public void tick() {
+        super.tick();
+
+        if (ControlHandler.MENU_SELECT.pressedTick()) {
+            if (this.onYes) {
+                Global.setState(Global.StateType.MENU);
+            } else {
+                Global.game.setMenu(null);
+            }
+        }
+
+        if (ControlHandler.MENU_LEFT.pressedTick() && !this.onYes) {
+            this.onYes = true;
+        }
+
+        if (ControlHandler.MENU_RIGHT.pressedTick() && this.onYes) {
+            this.onYes = false;
+        }
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/gui/PlayerInventoryMenu.java

@@ -0,0 +1,119 @@
+package com.jdh.microcraft.gui;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.entity.EntityPlayer;
+import com.jdh.microcraft.gui.crafting.InventoryCraftingMenu;
+import com.jdh.microcraft.item.ItemStack;
+import com.jdh.microcraft.item.armor.*;
+import com.jdh.microcraft.sound.Sound;
+import com.jdh.microcraft.util.ControlHandler;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Objects;
+import java.util.stream.Collectors;
+
+public class PlayerInventoryMenu extends InventoryMenu {
+    private class PlayerArmorMenu extends ItemListMenu {
+        public PlayerArmorMenu() {
+            super(
+                PlayerInventoryMenu.this.x + (PlayerInventoryMenu.this.width + 2) * 8,
+                PlayerInventoryMenu.this.y,
+                14, 6
+            );
+        }
+
+        @Override
+        public List<ItemStack> getItems() {
+            return Arrays.stream(PlayerInventoryMenu.this.player.armor)
+                .filter(Objects::nonNull)
+                .collect(Collectors.toList());
+        }
+
+        @Override
+        public String getItemName(int index) {
+            return this.getItems().get(index).instance.item.getName();
+        }
+
+        @Override
+        public int getItemTextColor(int index) {
+            return 444;
+        }
+
+        @Override
+        public String getName() {
+            return "ARMOR";
+        }
+    }
+
+    private final PlayerArmorMenu armorMenu;
+    private final EntityPlayer player;
+    private final boolean showArmor;
+
+    public PlayerInventoryMenu(EntityPlayer player, boolean showArmor) {
+        super(player.inventory, true);
+        this.player = player;
+        this.showArmor = showArmor;
+        this.focused = true;
+        this.armorMenu = new PlayerArmorMenu();
+
+        List<ItemStack> items = this.getItems();
+        int selected = items.indexOf(this.player.equipped);
+        this.selectedIndex = selected == -1 ? 0 : selected;
+        this.updateOffset();
+    }
+
+    @Override
+    public void tick() {
+        super.tick();
+
+        List<ItemStack> items = this.getItems();
+        ItemStack selectedItem = this.selectedIndex >= 0 && this.selectedIndex < items.size() ?
+            items.get(this.selectedIndex) : null;
+        this.player.equipped = selectedItem;
+
+        if (this.showArmor) {
+            if (ControlHandler.MENU_EQUIP.pressedTick() &&
+                selectedItem != null &&
+                selectedItem.instance.item instanceof ItemArmor) {
+                ItemArmor armor = (ItemArmor) selectedItem.instance.item;
+
+                if (this.player.armor[armor.slot] == selectedItem) {
+                    this.player.armor[armor.slot] = null;
+                } else {
+                    Sound.EQUIP.play();
+                    this.player.armor[armor.slot] = selectedItem;
+                }
+            }
+
+            this.armorMenu.tick();
+        }
+
+        if (ControlHandler.DROP.pressedTick() &&
+            selectedItem != null &&
+            selectedItem.instance.item.isDroppable()) {
+            this.player.drop(selectedItem);
+        }
+
+        if (ControlHandler.TOGGLE_CRAFTING.pressedTick()) {
+            // direct inventory -> crafting transition
+            Global.game.setMenu(new InventoryCraftingMenu(this.player));
+        }
+    }
+
+    @Override
+    public void render() {
+        super.render();
+
+        if (this.showArmor) {
+            this.armorMenu.render();
+        }
+    }
+
+    @Override
+    public void update() {
+        if (this.showArmor) {
+            this.armorMenu.update();
+        }
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/gui/TransitionMenu.java

@@ -0,0 +1,44 @@
+package com.jdh.microcraft.gui;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.gfx.Renderer;
+import com.jdh.microcraft.util.FMath;
+
+public class TransitionMenu extends Menu {
+    private static final int TIME = 10;
+
+    // time to live
+    private int ticks;
+
+    public TransitionMenu() {
+        this.ticks = 0;
+    }
+
+    @Override
+    public void tick() {
+        super.tick();
+
+        if (++this.ticks == TIME) {
+            Global.game.setMenu(null);
+        }
+    }
+
+    @Override
+    public void render() {
+        super.render();
+
+        for (int y = 0; y < Renderer.HEIGHT / 8; y++) {
+            for (int x = 0; x < Renderer.WIDTH / 8; x++) {
+                int distance = (int) (
+                    FMath.norm(
+                        ((double) (x * 8) - (double) (Renderer.WIDTH / 2)) / (Renderer.WIDTH / 2),
+                        ((double) (y * 8) - (double) (Renderer.HEIGHT / 2)) / (Renderer.HEIGHT / 2)
+                    ) * TIME);
+
+                if (distance > this.ticks) {
+                    Renderer.fill(x * 8, y * 8, 8, 8, 000);
+                }
+            }
+        }
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/gui/WelcomeMenu.java

@@ -0,0 +1,17 @@
+package com.jdh.microcraft.gui;
+
+import com.jdh.microcraft.gfx.Font;
+
+public class WelcomeMenu extends DialogMenu {
+    public WelcomeMenu() {
+        super("WELCOME", new String[]{
+            "",
+            "YOU MUST DEFEAT ",
+            "THE EVIL " + Font.Colors.RED + "AIR WIZARD!",
+            "",
+            "ONE SHOULD GO " + Font.Colors.GREEN + "DOWN",
+            "BEFORE MAKING A",
+            "WAY" + Font.Colors.YELLOW + " UP",
+        }, 22, 11, () -> {});
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/gui/WinMenu.java

@@ -0,0 +1,25 @@
+package com.jdh.microcraft.gui;
+
+import com.jdh.microcraft.Global;
+import com.jdh.microcraft.gfx.Font;
+
+public class WinMenu extends DialogMenu {
+    private int ticks;
+
+    public WinMenu() {
+        super("YAY!", new String[]{
+            "",
+            "YOU WIN! ",
+            "THE EVIL " + Font.Colors.RED + "AIR WIZARD",
+            "HAS BEEN " + Font.Colors.YELLOW + "BESTED.",
+            "SCORE: " + Font.Colors.YELLOW + Global.game.score,
+        }, 22, 10, () -> Global.setState(Global.StateType.MENU));
+    }
+
+    @Override
+    public void tick() {
+        if (++this.ticks > 120) {
+            super.tick();
+        }
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/gui/crafting/AnvilCraftingMenu.java

@@ -0,0 +1,21 @@
+package com.jdh.microcraft.gui.crafting;
+
+import com.jdh.microcraft.entity.EntityPlayer;
+import com.jdh.microcraft.entity.furniture.EntityAnvil;
+import com.jdh.microcraft.item.crafting.Recipe;
+
+public class AnvilCraftingMenu extends FurnitureCraftingMenu {
+    public AnvilCraftingMenu(EntityPlayer player, EntityAnvil anvil) {
+        super(player, anvil);
+    }
+
+    @Override
+    public int getStation() {
+        return Recipe.STATION_ANVIL;
+    }
+
+    @Override
+    public String getName() {
+        return "ANVIL";
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/gui/crafting/BenchCraftingMenu.java

@@ -0,0 +1,21 @@
+package com.jdh.microcraft.gui.crafting;
+
+import com.jdh.microcraft.entity.EntityPlayer;
+import com.jdh.microcraft.entity.furniture.EntityCraftingBench;
+import com.jdh.microcraft.item.crafting.Recipe;
+
+public class BenchCraftingMenu extends FurnitureCraftingMenu {
+    public BenchCraftingMenu(EntityPlayer player, EntityCraftingBench bench) {
+        super(player, bench);
+    }
+
+    @Override
+    public int getStation() {
+        return Recipe.STATION_ALL_CRAFTING;
+    }
+
+    @Override
+    public String getName() {
+        return "CRAFTING";
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/gui/crafting/CraftingMenu.java

@@ -0,0 +1,236 @@
+package com.jdh.microcraft.gui.crafting;
+
+import com.jdh.microcraft.entity.EntityPlayer;
+import com.jdh.microcraft.gui.ItemListMenu;
+import com.jdh.microcraft.gui.ItemSelectMenu;
+import com.jdh.microcraft.gui.Menu;
+import com.jdh.microcraft.item.Item;
+import com.jdh.microcraft.item.ItemInstance;
+import com.jdh.microcraft.item.ItemStack;
+import com.jdh.microcraft.item.crafting.Recipe;
+import com.jdh.microcraft.sound.Sound;
+import com.jdh.microcraft.util.Control;
+import com.jdh.microcraft.util.ControlHandler;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+public abstract class CraftingMenu extends Menu {
+    private class CraftingList extends ItemSelectMenu {
+        private final Control craft;
+
+        public CraftingList(Control up, Control down, Control craft) {
+            super(true, up, down);
+            this.craft = craft;
+            this.focused = true;
+        }
+
+        public Recipe getSelectedRecipe() {
+            if (CraftingMenu.this.recipes.size() == 0) {
+                return null;
+            }
+
+            return CraftingMenu.this.recipes.get(this.selectedIndex);
+        }
+
+        private boolean canCraft(int index) {
+            return this.selectedIndex < CraftingMenu.this.recipes.size() &&
+                CraftingMenu.this.recipes.get(index)
+                    .canMake(CraftingMenu.this.player.inventory, CraftingMenu.this.getStation());
+        }
+
+        @Override
+        public void tick() {
+            super.tick();
+
+            if (this.craft.pressedTick() && this.canCraft(this.selectedIndex)) {
+                ItemStack result = this.getSelectedRecipe().make(CraftingMenu.this.player.inventory);
+                CraftingMenu.this.player.inventory.add(result);
+                CraftingMenu.this.onCraft(result);
+            }
+        }
+
+        @Override
+        public List<ItemStack> getItems() {
+            return CraftingMenu.this.items;
+        }
+
+        @Override
+        public int getItemTextColor(int index) {
+            return this.canCraft(index) ? 555 : 333;
+        }
+
+        @Override
+        public String getName() {
+            return CraftingMenu.this.getName();
+        }
+    }
+
+    private class HaveMenu extends ItemListMenu {
+        public HaveMenu() {
+            super(
+                CraftingMenu.this.craftingList.x + (CraftingMenu.this.craftingList.width + 2) * 8,
+                CraftingMenu.this.craftingList.y,
+                10, 3
+            );
+        }
+
+        @Override
+        public List<ItemStack> getItems() {
+            Recipe recipe = CraftingMenu.this.craftingList.getSelectedRecipe();
+            return recipe == null ?
+                List.of() :
+                List.of(new ItemStack(recipe.result.instance, 1));
+        }
+
+        @Override
+        public String getItemName(int index) {
+            Recipe recipe = CraftingMenu.this.craftingList.getSelectedRecipe();
+            assert (recipe != null);
+
+            return Integer.toString(CraftingMenu.this.player.inventory.count(recipe.result.instance.item));
+        }
+
+        @Override
+        public int getItemTextColor(int index) {
+            return 555;
+        }
+
+        @Override
+        public String getName() {
+            return "HAVE";
+        }
+    }
+
+    private class CostMenu extends ItemListMenu {
+        public CostMenu() {
+            super(
+                CraftingMenu.this.craftingList.x + (CraftingMenu.this.craftingList.width + 2) * 8,
+                CraftingMenu.this.craftingList.y + (CraftingMenu.this.haveMenu.height + 1) * 8,
+                10, CraftingMenu.this.craftingList.height - CraftingMenu.this.haveMenu.height - 1
+            );
+        }
+
+        @Override
+        public List<ItemStack> getItems() {
+            Recipe recipe = CraftingMenu.this.craftingList.getSelectedRecipe();
+            return recipe == null ?
+                List.of() :
+                recipe.ingredients.stream()
+                    .map(i -> new ItemStack(new ItemInstance(i.item, 0), 0))
+                    .collect(Collectors.toList());
+        }
+
+        @Override
+        public String getItemName(int index) {
+            Recipe recipe = CraftingMenu.this.craftingList.getSelectedRecipe();
+            assert (recipe != null);
+
+            ItemStack item = this.getItems().get(index);
+            int have = CraftingMenu.this.player.inventory.count(item.instance.item),
+                required = recipe.ingredients.stream()
+                    .filter(i -> i.item.id == item.instance.item.id)
+                    .findFirst().get().count;
+            return required + "/" + have;
+        }
+
+        @Override
+        public int getItemTextColor(int index) {
+            return 555;
+        }
+
+        @Override
+        public String getName() {
+            return "COST";
+        }
+    }
+
+    protected final CraftingList craftingList;
+    protected final HaveMenu haveMenu;
+    protected final CostMenu costMenu;
+    protected final List<Menu> submenus;
+
+    protected final EntityPlayer player;
+    protected final List<Recipe> recipes;
+    protected final List<ItemStack> items;
+
+    public CraftingMenu(EntityPlayer player) {
+        this.player = player;
+        this.recipes = Item.STATION_RECIPES.get(this.getStation());
+        this.items = this.recipes.stream().map(r -> r.result).collect(Collectors.toList());
+        this.craftingList = new CraftingList(ControlHandler.MENU_UP, ControlHandler.MENU_DOWN, ControlHandler.MENU_SELECT);
+        this.haveMenu = new HaveMenu();
+        this.costMenu = new CostMenu();
+        this.submenus = List.of(this.craftingList, this.haveMenu, this.costMenu);
+        this.sort();
+    }
+
+    private void sort() {
+        this.recipes.sort(
+            (var a, var b) -> {
+                boolean ma = a.canMake(this.player.inventory, this.getStation()),
+                    mb = b.canMake(this.player.inventory, this.getStation());
+                return ma == mb ? String.CASE_INSENSITIVE_ORDER.compare(
+                    a.result.instance.item.getName(),
+                    b.result.instance.item.getName()
+                ) : (ma ? -1 : 1);
+            }
+        );
+
+        this.items.clear();
+        for (Recipe r : this.recipes) {
+            this.items.add(r.result);
+        }
+    }
+
+    @Override
+    public void init() {
+        super.init();
+        for (Menu m : submenus) {
+            m.init();
+        }
+    }
+
+    @Override
+    public void destroy() {
+        super.destroy();
+        for (Menu m : submenus) {
+            m.destroy();
+        }
+    }
+
+    @Override
+    public void tick() {
+        super.tick();
+
+        this.sort();
+
+        for (Menu m : submenus) {
+            m.tick();
+        }
+    }
+
+    @Override
+    public void update() {
+        super.update();
+        for (Menu m : submenus) {
+            m.update();
+        }
+    }
+
+    @Override
+    public void render() {
+        super.render();
+        for (Menu m : submenus) {
+            m.render();
+        }
+    }
+
+    protected void onCraft(ItemStack stack) {
+        Sound.CRAFT.play();
+    }
+
+    public abstract int getStation();
+
+    public abstract String getName();
+}

Java/Microcraft/src/com/jdh/microcraft/gui/crafting/FurnaceMenu.java

@@ -0,0 +1,35 @@
+package com.jdh.microcraft.gui.crafting;
+
+import com.jdh.microcraft.entity.EntityPlayer;
+import com.jdh.microcraft.entity.furniture.EntityFurnace;
+import com.jdh.microcraft.entity.particle.EntitySmokeParticle;
+import com.jdh.microcraft.item.Item;
+import com.jdh.microcraft.item.ItemStack;
+import com.jdh.microcraft.item.crafting.Recipe;
+
+public class FurnaceMenu extends FurnitureCraftingMenu {
+    public FurnaceMenu(EntityPlayer player, EntityFurnace furnace) {
+        super(player, furnace);
+    }
+
+    @Override
+    protected void onCraft(ItemStack stack) {
+        super.onCraft(stack);
+        EntitySmokeParticle.spawn(
+            this.furniture.level,
+            this.furniture.getCenterX(), this.furniture.getCenterY(),
+            Item.COAL.getColor(),
+            3, 6
+        );
+    }
+
+    @Override
+    public int getStation() {
+        return Recipe.STATION_FURNACE;
+    }
+
+    @Override
+    public String getName() {
+        return "FURNACE";
+    }
+}

Java/Microcraft/src/com/jdh/microcraft/gui/crafting/FurnitureCraftingMenu.java

@@ -0,0 +1,13 @@
+package com.jdh.microcraft.gui.crafting;
+
+import com.jdh.microcraft.entity.EntityPlayer;
+import com.jdh.microcraft.entity.furniture.EntityFurniture;
+
+public abstract class FurnitureCraftingMenu extends CraftingMenu {
+    protected final EntityFurniture furniture;
+
+    public FurnitureCraftingMenu(EntityPlayer player, EntityFurniture furniture) {
+        super(player);
+        this.furniture = furniture;
+    }
+}