Initial commit

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

@@ -0,0 +1,92 @@
+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();
+    }
+}