Initial commit

Java/MinecraftPlatformer/src/de/craftix/game/World.java

@@ -0,0 +1,80 @@
+package de.craftix.game;
+
+import de.craftix.game.block.Block;
+import de.craftix.game.block.Material;
+import de.craftix.game.entity.Player;
+
+import java.awt.*;
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileReader;
+
+public class World {
+
+    private int blocksX;
+    private int blocksY;
+    private Block[][] blocks;
+    private File worldFile;
+
+    public World(String worldFile) {
+        this.worldFile = new File("worlds/" + worldFile);
+        loadWorldFromFile();
+    }
+
+    public void update() {
+        for(int row = 0; row < blocksY; row++) {
+            for(int col = 0; col < blocksX; col++) {
+                blocks[row][col].update();
+            }
+        }
+    }
+
+    public void render(Graphics2D g) {
+        int blocksRendered = 0;
+        Player player = Playstate.player;
+        int startX = player.getCenterX() - GamePanel.width / GamePanel.SCALE / 2;
+        int startY = player.getCenterY() - GamePanel.height / GamePanel.SCALE / 2;
+        int endX = player.getCenterX() + GamePanel.width / GamePanel.SCALE / 2 + Game.BLOCKSIZE;
+        int endY = player.getCenterY() + GamePanel.height / GamePanel.SCALE / 2 + Game.BLOCKSIZE;
+
+        for (int row = startY; row <= endY; row += Game.BLOCKSIZE) {
+            for (int col = startX; col <= endX; col += Game.BLOCKSIZE) {
+                int blockX = getColTile(col);
+                int blockY = getRowTile(row);
+                if (blockX >= 0 && blockY >= 0 && blockX < this.blocksX && blockY < this.blocksY) {
+                    blocks[blockY][blockX].render(g);
+                    blocksRendered++;
+                }
+            }
+        }
+
+        g.setColor(Color.WHITE);
+        g.drawString("Blocks Rendered: " + blocksRendered, 5, 10);
+    }
+
+    private void loadWorldFromFile() {
+        try {
+            BufferedReader reader = new BufferedReader(new FileReader(worldFile));
+            blocksX = Integer.parseInt(reader.readLine());
+            blocksY = Integer.parseInt(reader.readLine());
+            blocks = new Block[blocksY][blocksX];
+
+            for (int row = 0; row < blocksY; row++) {
+                String line = reader.readLine();
+                String[] tokens = line.split(" ");
+                for (int col = 0; col < blocksX; col++){
+                    int id = Integer.parseInt(tokens[col]);
+                    blocks[row][col] = new Block(Material.values()[id], col * Game.BLOCKSIZE, row * Game.BLOCKSIZE, Game.BLOCKSIZE, Game.BLOCKSIZE);
+                }
+            }
+            reader.close();
+        } catch (Exception e) {e.printStackTrace();}
+    }
+
+    public int getRowTile(int y) {return y / Game.BLOCKSIZE;}
+    public int getColTile(int x) {return x / Game.BLOCKSIZE;}
+
+    public Block[][] getBlocks() {return blocks;}
+    public Block getBlock(float x, float y) {return blocks[getRowTile((int)y)][getColTile((int)x)];}
+
+}