Got it to compile with TeaVM

src/net/lax1dude/eaglercraft/BufferedImage.java

@@ -64,6 +64,28 @@ public class BufferedImage {
 		return rgbArray;
 	}
 	
+	public void setRGB(int startX, int startY, int w, int h, int[] rgbArray, int offset, int scansize) {
+			if (startX < 0 || startY < 0 || w <= 0 || h <= 0 ||
+					startX + w > this.w || startY + h > this.h ||
+					rgbArray.length < offset + w * h) {
+					throw new IllegalArgumentException("Big black oily men");
+			}
+
+			for (int y = startY; y < startY + h; y++) {
+				for (int x = startX; x < startX + w; x++) {
+					int imageDataIndex = y * this.w + x;
+					int rgb = rgbArray[offset + (y - startY) * scansize + (x - startX)];
+					int alpha = (rgb >> 24) & 0xff;
+					int red = (rgb >> 16) & 0xff;
+					int green = (rgb >> 8) & 0xff;
+					int blue = rgb & 0xff;
+					int argb = (alpha << 24) | (red << 16) | (green << 8) | blue;
+					
+					data[imageDataIndex] = argb;
+				}
+			}
+		}
+	
 	public int getWidth() {
 		return w;
 	}

src/net/lax1dude/eaglercraft/Client.java

@@ -40,7 +40,7 @@ public class Client {
 
     private static void run0() {
     	System.out.println(" -------- starting minecraft -------- ");
-    	//instance = new Minecraft();
+    	instance = new Minecraft();
     	Session session = new Session("Player", "mcpass");
     	instance.session = session;
     	LocalStorageManager.loadStorage();

src/net/lax1dude/eaglercraft/ImageIO.java

@@ -14,4 +14,8 @@ public class ImageIO {
 		return GL11.loadPNG(data);
 	}
 
+	public static BufferedImage read(BufferedImage resource) {
+		return resource;
+	}
+
 }

src/net/minecraft/client/Minecraft.java

@@ -84,7 +84,7 @@ import net.minecraft.src.World;
 import net.minecraft.src.WorldProvider;
 import net.minecraft.src.WorldRenderer;
 
-public abstract class Minecraft implements Runnable {
+public class Minecraft implements Runnable {
 	public static byte[] field_28006_b = new byte[10485760];
 	private static Minecraft theMinecraft;
 	public PlayerController playerController;
@@ -151,11 +151,9 @@ public abstract class Minecraft implements Runnable {
 
 	public void onMinecraftCrash(UnexpectedThrowable var1) {
 		this.hasCrashed = true;
-		this.displayUnexpectedThrowable(var1);
+		//this.displayUnexpectedThrowable(var1);
 	}
 
-	public abstract void displayUnexpectedThrowable(UnexpectedThrowable var1);
-
 	public void setServer(String var1, int var2) {
 		this.serverName = var1;
 		this.serverPort = var2;

src/net/minecraft/src/BiomeGenBase.java

@@ -1,6 +1,5 @@
 package net.minecraft.src;
 
-import java.awt.Color;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Random;
@@ -105,7 +104,7 @@ public class BiomeGenBase {
 			var1 = 1.0F;
 		}
 
-		return Color.getHSBColor(224.0F / 360.0F - var1 * 0.05F, 0.5F + var1 * 0.1F, 1.0F).getRGB();
+		return getHSBColor(224.0F / 360.0F - var1 * 0.05F, 0.5F + var1 * 0.1F, 1.0F);
 	}
 
 	public List getSpawnableList(EnumCreatureType var1) {
@@ -120,6 +119,61 @@ public class BiomeGenBase {
 		return this.enableSnow ? false : this.enableRain;
 	}
 	
+	public static int getHSBColor(float hue, float saturation, float brightness) {
+	    float r, g, b;
+	    if (saturation == 0) {
+	        r = g = b = brightness;
+	    } else {
+	        float h = (hue - (float) Math.floor(hue)) * 6.0f;
+	        float f = h - (float) Math.floor(h);
+	        float p = brightness * (1.0f - saturation);
+	        float q = brightness * (1.0f - saturation * f);
+	        float t = brightness * (1.0f - (saturation * (1.0f - f)));
+
+	        int hi = (int) h;
+	        switch (hi) {
+	            case 0:
+	                r = brightness;
+	                g = t;
+	                b = p;
+	                break;
+	            case 1:
+	                r = q;
+	                g = brightness;
+	                b = p;
+	                break;
+	            case 2:
+	                r = p;
+	                g = brightness;
+	                b = t;
+	                break;
+	            case 3:
+	                r = p;
+	                g = q;
+	                b = brightness;
+	                break;
+	            case 4:
+	                r = t;
+	                g = p;
+	                b = brightness;
+	                break;
+	            case 5:
+	                r = brightness;
+	                g = p;
+	                b = q;
+	                break;
+	            default:
+	                r = g = b = brightness;
+	                break;
+	        }
+	    }
+
+	    int red = Math.round(r * 255);
+	    int green = Math.round(g * 255);
+	    int blue = Math.round(b * 255);
+	    return (255 << 24) | (red << 16) | (green << 8) | blue;
+	}
+
 	static {
 		generateBiomeLookup();
 	}

src/net/minecraft/src/Chunk.java

@@ -354,8 +354,7 @@ public class Chunk {
 		int var2 = MathHelper.floor_double(var1.posX / 16.0D);
 		int var3 = MathHelper.floor_double(var1.posZ / 16.0D);
 		if(var2 != this.xPosition || var3 != this.zPosition) {
-			System.out.println("Wrong location! " + var1);
+			System.err.println("Wrong location! " + var1);
-			Thread.dumpStack();
 		}
 
 		int var4 = MathHelper.floor_double(var1.posY / 16.0D);

src/net/minecraft/src/GuiIngame.java

@@ -1,6 +1,5 @@
 package net.minecraft.src;
 
-import java.awt.Color;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Random;
@@ -175,9 +174,9 @@ public class GuiIngame extends Gui {
 			var8.drawStringWithShadow(this.mc.func_6262_n(), 2, 22, 16777215);
 			var8.drawStringWithShadow(this.mc.func_6245_o(), 2, 32, 16777215);
 			var8.drawStringWithShadow(this.mc.func_21002_o(), 2, 42, 16777215);
-			long var24 = Runtime.getRuntime().maxMemory();
+			long var24 = GL11.maxMemory();
-			long var29 = Runtime.getRuntime().totalMemory();
+			long var29 = GL11.totalMemory();
-			long var30 = Runtime.getRuntime().freeMemory();
+			long var30 = GL11.freeMemory();
 			long var21 = var29 - var30;
 			var23 = "Used memory: " + var21 * 100L / var24 + "% (" + var21 / 1024L / 1024L + "MB) of " + var24 / 1024L / 1024L + "MB";
 			this.drawString(var8, var23, var6 - var8.getStringWidth(var23) - 2, 2, 14737632);
@@ -204,7 +203,7 @@ public class GuiIngame extends Gui {
 				GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
 				var17 = 16777215;
 				if(this.field_22065_l) {
-					var17 = Color.HSBtoRGB(var25 / 50.0F, 0.7F, 0.6F) & 16777215;
+					var17 = HSBtoRGB(var25 / 50.0F, 0.7F, 0.6F) & 16777215;
 				}
 
 				var8.drawString(this.recordPlaying, -var8.getStringWidth(this.recordPlaying) / 2, -4, var17 + (var16 << 24));
@@ -407,4 +406,46 @@ public class GuiIngame extends Gui {
 		String var3 = var2.translateKey(var1);
 		this.addChatMessage(var3);
 	}
+	
+	public static int HSBtoRGB(float hue, float saturation, float brightness) {
+	    hue = (hue % 1f) + 1f;
+	    saturation = Math.min(1f, Math.max(0f, saturation));
+	    brightness = Math.min(1f, Math.max(0f, brightness));
+
+	    float q = brightness < 0.5f ? brightness * (1f + saturation) : brightness + saturation - brightness * saturation;
+	    float p = 2f * brightness - q;
+
+	    float r, g, b;
+	    if (hue < 1f/6f) {
+	        r = q;
+	        g = p + (q - p) * 6f * hue;
+	        b = p;
+	    } else if (hue < 2f/6f) {
+	        r = p - (q - p) * 6f * (hue - 1f/6f);
+	        g = q;
+	        b = p;
+	    } else if (hue < 3f/6f) {
+	        r = p;
+	        g = q - (q - p) * 6f * (hue - 2f/6f);
+	        b = p - (q - p) * 6f * (hue - 2f/6f);
+	    } else if (hue < 4f/6f) {
+	        r = p;
+	        g = p;
+	        b = q - (q - p) * 6f * (hue - 3f/6f);
+	    } else if (hue < 5f/6f) {
+	        r = p + (q - p) * 6f * (hue - 4f/6f);
+	        g = p;
+	        b = q;
+	    } else {
+	        r = q;
+	        g = p - (q - p) * 6f * (hue - 5f/6f);
+	        b = p;
+	    }
+
+	    int red = (int) Math.max(0f, Math.min(255f, r * 255f));
+	    int green = (int) Math.max(0f, Math.min(255f, g * 255f));
+	    int blue = (int) Math.max(0f, Math.min(255f, b * 255f));
+
+	    return (red << 16) | (green << 8) | blue;
+	}
 }

src/net/minecraft/src/GuiScreen.java

@@ -1,8 +1,5 @@
 package net.minecraft.src;
 
-import java.awt.Toolkit;
-import java.awt.datatransfer.DataFlavor;
-import java.awt.datatransfer.Transferable;
 import java.util.ArrayList;
 import java.util.List;
 import net.minecraft.client.Minecraft;
@@ -37,15 +34,6 @@ public class GuiScreen extends Gui {
 	}
 
 	public static String getClipboardString() {
-		try {
-			Transferable var0 = Toolkit.getDefaultToolkit().getSystemClipboard().getContents((Object)null);
-			if(var0 != null && var0.isDataFlavorSupported(DataFlavor.stringFlavor)) {
-				String var1 = (String)var0.getTransferData(DataFlavor.stringFlavor);
-				return var1;
-			}
-		} catch (Exception var2) {
-		}
-
 		return null;
 	}
 

src/net/minecraft/src/ImageBuffer.java

@@ -1,7 +0,0 @@
-package net.minecraft.src;
-
-import java.awt.image.BufferedImage;
-
-public interface ImageBuffer {
-	BufferedImage parseUserSkin(BufferedImage var1);
-}

src/net/minecraft/src/ImageBufferDownload.java

@@ -1,88 +0,0 @@
-package net.minecraft.src;
-
-import java.awt.Graphics;
-import java.awt.image.BufferedImage;
-import java.awt.image.DataBufferInt;
-import java.awt.image.ImageObserver;
-
-public class ImageBufferDownload implements ImageBuffer {
-	private int[] imageData;
-	private int imageWidth;
-	private int imageHeight;
-
-	public BufferedImage parseUserSkin(BufferedImage var1) {
-		if(var1 == null) {
-			return null;
-		} else {
-			this.imageWidth = 64;
-			this.imageHeight = 32;
-			BufferedImage var2 = new BufferedImage(this.imageWidth, this.imageHeight, 2);
-			Graphics var3 = var2.getGraphics();
-			var3.drawImage(var1, 0, 0, (ImageObserver)null);
-			var3.dispose();
-			this.imageData = ((DataBufferInt)var2.getRaster().getDataBuffer()).getData();
-			this.func_884_b(0, 0, 32, 16);
-			this.func_885_a(32, 0, 64, 32);
-			this.func_884_b(0, 16, 64, 32);
-			boolean var4 = false;
-
-			int var5;
-			int var6;
-			int var7;
-			for(var5 = 32; var5 < 64; ++var5) {
-				for(var6 = 0; var6 < 16; ++var6) {
-					var7 = this.imageData[var5 + var6 * 64];
-					if((var7 >> 24 & 255) < 128) {
-						var4 = true;
-					}
-				}
-			}
-
-			if(!var4) {
-				for(var5 = 32; var5 < 64; ++var5) {
-					for(var6 = 0; var6 < 16; ++var6) {
-						var7 = this.imageData[var5 + var6 * 64];
-						if((var7 >> 24 & 255) < 128) {
-							var4 = true;
-						}
-					}
-				}
-			}
-
-			return var2;
-		}
-	}
-
-	private void func_885_a(int var1, int var2, int var3, int var4) {
-		if(!this.func_886_c(var1, var2, var3, var4)) {
-			for(int var5 = var1; var5 < var3; ++var5) {
-				for(int var6 = var2; var6 < var4; ++var6) {
-					this.imageData[var5 + var6 * this.imageWidth] &= 16777215;
-				}
-			}
-
-		}
-	}
-
-	private void func_884_b(int var1, int var2, int var3, int var4) {
-		for(int var5 = var1; var5 < var3; ++var5) {
-			for(int var6 = var2; var6 < var4; ++var6) {
-				this.imageData[var5 + var6 * this.imageWidth] |= -16777216;
-			}
-		}
-
-	}
-
-	private boolean func_886_c(int var1, int var2, int var3, int var4) {
-		for(int var5 = var1; var5 < var3; ++var5) {
-			for(int var6 = var2; var6 < var4; ++var6) {
-				int var7 = this.imageData[var5 + var6 * this.imageWidth];
-				if((var7 >> 24 & 255) < 128) {
-					return true;
-				}
-			}
-		}
-
-		return false;
-	}
-}

src/net/minecraft/src/IsoImageBuffer.java

@@ -1,6 +1,6 @@
 package net.minecraft.src;
 
-import java.awt.image.BufferedImage;
+import net.lax1dude.eaglercraft.BufferedImage;
 
 public class IsoImageBuffer {
 	public BufferedImage field_1348_a;

src/net/minecraft/src/J_PositionTrackingPushbackReader.java

@@ -1,52 +1,62 @@
 package net.minecraft.src;
 
 import java.io.IOException;
-import java.io.PushbackReader;
 import java.io.Reader;
+import java.nio.CharBuffer;
 
 final class J_PositionTrackingPushbackReader implements J_ThingWithPosition {
-	private final PushbackReader field_27338_a;
+	private final CharBuffer field_27338_a;
 	private int field_27337_b = 0;
 	private int field_27340_c = 1;
 	private boolean field_27339_d = false;
 
 	public J_PositionTrackingPushbackReader(Reader var1) {
-		this.field_27338_a = new PushbackReader(var1);
+		CharBuffer buffer;
+		try {
+			StringBuilder builder = new StringBuilder();
+	    	int c;
+	    	while ((c = var1.read()) != -1) {
+	    		builder.append((char) c);
+	    	}
+	    	buffer = CharBuffer.wrap(builder);
+		} catch(IOException e) {
+			buffer = CharBuffer.allocate(1);
 		}
 		
-	public void func_27334_a(char var1) throws IOException {
+		this.field_27338_a = buffer;
-		--this.field_27337_b;
-		if(this.field_27337_b < 0) {
-			this.field_27337_b = 0;
 	}
 
-		this.field_27338_a.unread(var1);
+	public void func_27334_a(char var1) {
+		field_27338_a.position(field_27338_a.position() - 1);
+		if (var1 == '\n' && !field_27339_d) {
+			field_27337_b = 0;
+			field_27340_c--;
+		} else {
+			field_27337_b--;
+			if (field_27337_b < 0) {
+				field_27337_b = 0;
+			}
+		}
+		field_27339_d = var1 == '\n';
 	}
 
 	public void func_27335_a(char[] var1) {
-		this.field_27337_b -= var1.length;
+		for (int i = var1.length - 1; i >= 0; i--) {
-		if(this.field_27337_b < 0) {
+			func_27334_a(var1[i]);
-			this.field_27337_b = 0;
 		}
-
 	}
 
 	public int func_27333_c() throws IOException {
-		int var1 = this.field_27338_a.read();
+		int var1 = field_27338_a.get();
-		this.func_27332_a(var1);
+		func_27332_a(var1);
 	    return var1;
 	}
 
 	public int func_27336_b(char[] var1) throws IOException {
-		int var2 = this.field_27338_a.read(var1);
+		int var2 = field_27338_a.read(CharBuffer.wrap(var1));
-		char[] var3 = var1;
+	    for (int i = 0; i < var2; i++) {
-		int var4 = var1.length;
+	    	func_27332_a(var1[i]);
-
-		for(int var5 = 0; var5 < var4; ++var5) {
-			char var6 = var3[var5];
-			this.func_27332_a(var6);
 	    }
-
 	    return var2;
 	}
 

src/net/minecraft/src/MD5String.java

@@ -1,8 +1,7 @@
 package net.minecraft.src;
 
 import java.math.BigInteger;
-import java.security.MessageDigest;
+import java.nio.charset.StandardCharsets;
-import java.security.NoSuchAlgorithmException;
 
 public class MD5String {
 	private String field_27370_a;
@@ -12,13 +11,18 @@ public class MD5String {
 	}
 	
 	public String func_27369_a(String var1) {
-		try {
         String var2 = this.field_27370_a + var1;
-			MessageDigest var3 = MessageDigest.getInstance("MD5");
+        String md5Hash = calculateMD5(var2);
-			var3.update(var2.getBytes(), 0, var2.length());
+        return md5Hash;
-			return (new BigInteger(1, var3.digest())).toString(16);
+    }
-		} catch (NoSuchAlgorithmException var4) {
+
-			throw new RuntimeException(var4);
+    private String calculateMD5(String input) {
-		}
+        byte[] bytes = input.getBytes(StandardCharsets.UTF_8);
+        BigInteger no = new BigInteger(1, bytes);
+        String hash = no.toString(16);
+        while (hash.length() < 32) {
+            hash = "0" + hash;
+        }
+        return hash;
     }
 }

src/net/minecraft/src/TerrainTextureManager.java

@@ -1,9 +1,11 @@
 package net.minecraft.src;
 
-import java.awt.image.BufferedImage;
-import java.io.IOException;
 import java.util.Arrays;
-import javax.imageio.ImageIO;
+
+import org.lwjgl.opengl.GL11;
+
+import net.lax1dude.eaglercraft.BufferedImage;
+import net.lax1dude.eaglercraft.ImageIO;
 
 public class TerrainTextureManager {
 	private float[] field_1181_a = new float[768];
@@ -16,7 +18,7 @@ public class TerrainTextureManager {
 
 	public TerrainTextureManager() {
 		try {
-			BufferedImage var1 = ImageIO.read(TerrainTextureManager.class.getResource("/terrain.png"));
+			BufferedImage var1 = ImageIO.read(GL11.getResource("/terrain.png"));
 			int[] var2 = new int[65536];
 			var1.getRGB(0, 0, 256, 256, var2, 0, 256);
 
@@ -49,7 +51,7 @@ public class TerrainTextureManager {
 					this.field_1181_a[var3 * 3 + 2] = (float)(var6 / var9);
 				}
 			}
-		} catch (IOException var14) {
+		} catch (Exception var14) {
 			var14.printStackTrace();
 		}
 

src/net/minecraft/src/TextureCompassFX.java

@@ -1,8 +1,11 @@
 package net.minecraft.src;
 
-import java.awt.image.BufferedImage;
 import java.io.IOException;
-import javax.imageio.ImageIO;
+
+import org.lwjgl.opengl.GL11;
+
+import net.lax1dude.eaglercraft.BufferedImage;
+import net.lax1dude.eaglercraft.ImageIO;
 import net.minecraft.client.Minecraft;
 
 public class TextureCompassFX extends TextureFX {
@@ -17,11 +20,11 @@ public class TextureCompassFX extends TextureFX {
 		this.tileImage = 1;
 
 		try {
-			BufferedImage var2 = ImageIO.read(Minecraft.class.getResource("/gui/items.png"));
+			BufferedImage var2 = ImageIO.read(GL11.getResource("/gui/items.png"));
 			int var3 = this.iconIndex % 16 * 16;
 			int var4 = this.iconIndex / 16 * 16;
 			var2.getRGB(var3, var4, 16, 16, this.compassIconImageData, 0, 16);
-		} catch (IOException var5) {
+		} catch (Exception var5) {
 			var5.printStackTrace();
 		}
 

src/net/minecraft/src/TextureWatchFX.java

@@ -1,8 +1,9 @@
 package net.minecraft.src;
 
-import java.awt.image.BufferedImage;
+import org.lwjgl.opengl.GL11;
-import java.io.IOException;
+
-import javax.imageio.ImageIO;
+import net.lax1dude.eaglercraft.BufferedImage;
+import net.lax1dude.eaglercraft.ImageIO;
 import net.minecraft.client.Minecraft;
 
 public class TextureWatchFX extends TextureFX {
@@ -18,13 +19,13 @@ public class TextureWatchFX extends TextureFX {
 		this.tileImage = 1;
 
 		try {
-			BufferedImage var2 = ImageIO.read(Minecraft.class.getResource("/gui/items.png"));
+			BufferedImage var2 = ImageIO.read(GL11.getResource("/gui/items.png"));
 			int var3 = this.iconIndex % 16 * 16;
 			int var4 = this.iconIndex / 16 * 16;
 			var2.getRGB(var3, var4, 16, 16, this.watchIconImageData, 0, 16);
-			var2 = ImageIO.read(Minecraft.class.getResource("/misc/dial.png"));
+			var2 = ImageIO.read(GL11.getResource("/misc/dial.png"));
 			var2.getRGB(0, 0, 16, 16, this.dialImageData, 0, 16);
-		} catch (IOException var5) {
+		} catch (Exception var5) {
 			var5.printStackTrace();
 		}
 

src/org/lwjgl/opengl/GL11.java

@@ -2,6 +2,8 @@ package org.lwjgl.opengl;
 
 import java.io.InputStream;
 
+import net.lax1dude.eaglercraft.BufferedImage;
+
 public class GL11 extends net.PeytonPlayz585.opengl.GL11 {
 
 	public static final int GL_GEQUAL = webgl.GEQUAL;
@@ -19,4 +21,8 @@ public class GL11 extends net.PeytonPlayz585.opengl.GL11 {
 		glDisableVertexAttrib(glTextureState);
 	}
 	
+	public static BufferedImage getResource(String string) {
+		return loadPNG(loadResourceBytes(string));
+	}
+
 }