Fix texture packs

src/main/java/net/minecraft/src/RenderEngine.java

@@ -5,6 +5,7 @@ import java.nio.ByteBuffer;
 import java.nio.IntBuffer;
 import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.Iterator;
 
 import org.lwjgl.opengl.GL11;
 
@@ -164,7 +165,44 @@ public class RenderEngine {
 	}
 	
 	public void refreshTextures() {
-		textureMap.clear();
+		System.out.println("Refreshing Textures!");
+		TexturePackBase var1 = this.field_6527_k.selectedTexturePack;
+		Iterator var2 = this.textureNameToImageMap.keySet().iterator();
+
+		EaglerImage var4;
+		while(var2.hasNext()) {
+			int var3 = ((Integer)var2.next()).intValue();
+			var4 = (EaglerImage)this.textureNameToImageMap.get(Integer.valueOf(var3));
+			this.setupTexture(var4, var3);
+		}
+
+		var2 = this.textureMap.keySet().iterator();
+
+		while(var2.hasNext()) {
+			String var8 = (String)var2.next();
+
+			try {
+				if(var8.startsWith("%%")) {
+					this.clampTexture = true;
+					String[] s1 = var8.split("%%");
+					var4 = this.readTextureImage(var1.func_6481_a(s1[1]));
+				} else if(var8.startsWith("%blur%")) {
+					this.blurTexture = true;
+					String[] s1 = var8.split("%blur%");
+					var4 = this.readTextureImage(var1.func_6481_a(s1[1]));
+				} else {
+					var4 = this.readTextureImage(var1.func_6481_a(var8));
+				}
+
+				int var5 = ((Integer)this.textureMap.get(var8)).intValue();
+				this.setupTexture(var4, var5);
+				this.blurTexture = false;
+				this.clampTexture = false;
+			} catch (IOException var6) {
+				var6.printStackTrace();
+			}
+		}
+
 	}
 
 	private static HashMap<String, Integer> textureMap;

src/main/java/net/minecraft/src/TexturePackCustom.java

@@ -6,7 +6,7 @@ import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
-import java.util.HashMap;
+import java.util.Collection;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipInputStream;
 
@@ -15,12 +15,11 @@ import org.lwjgl.opengl.GL11;
 
 public class TexturePackCustom extends TexturePackBase {
 	
-	private HashMap<String, byte[]> filePool = new HashMap<String, byte[]>();
-
 	public TexturePackCustom(String s) {
 		this.texturePackFileName = s;
 		
 		try {
+			deleteExistingTexturePackFiles();
 			byte[] data = GL11.readFile("texturepacks/" + s);
 			ByteArrayInputStream bais = new ByteArrayInputStream(data);
 			ZipInputStream zis = new ZipInputStream(bais);
@@ -36,7 +35,11 @@ public class TexturePackCustom extends TexturePackBase {
 				
 					byte[] fileData = baos.toByteArray();
 				    System.out.println(entry.getName());
-					filePool.put(entry.getName(), fileData);
+				    String name = entry.getName();
+				    if(name.startsWith("/")) {
+				    	name = name.substring(1, name.length() - 1);
+					}
+				    GL11.writeFile("texturepackdata/" + name.replace(" ", ""), fileData);
 				}
 			
 				zis.closeEntry();
@@ -58,7 +61,8 @@ public class TexturePackCustom extends TexturePackBase {
 
 	public void func_6485_a(Minecraft var1) throws IOException {
 		try {
-			InputStream var3 = new ByteArrayInputStream(filePool.get("pack.txt"));
+			byte[] data = GL11.readFile("texturepackdata/pack.txt");
+			InputStream var3 = new ByteArrayInputStream(data);
 			BufferedReader var4 = new BufferedReader(new InputStreamReader(var3));
 			this.firstDescriptionLine = this.func_6492_b(var4.readLine());
 			this.secondDescriptionLine = this.func_6492_b(var4.readLine());
@@ -72,7 +76,8 @@ public class TexturePackCustom extends TexturePackBase {
 	int packPNG = -1;
 
 	public void func_6483_c(Minecraft var1) {
-		if(filePool.containsKey("pack.png")) {
+		byte[] data = GL11.readFile("texturepackdata/pack.png");
+		if(data != null) {
 			if(packPNG == -1) {
 				packPNG = getTexture("pack.png");
 			}
@@ -85,7 +90,7 @@ public class TexturePackCustom extends TexturePackBase {
 	
 	private int getTexture(String s) {
 		try {
-			byte[] b = filePool.get(s);
+			byte[] b = GL11.readFile("texturepackdata/" + s);
 			Minecraft.getMinecraft().renderEngine.singleIntBuffer.clear();
 			GLAllocation.generateTextureNames(Minecraft.getMinecraft().renderEngine.singleIntBuffer);
 			int i = Minecraft.getMinecraft().renderEngine.singleIntBuffer.get(0);
@@ -97,10 +102,34 @@ public class TexturePackCustom extends TexturePackBase {
 	}
 
 	public byte[] func_6481_a(String var1) {
-		if(filePool.containsKey(var1)) {
-			return filePool.get(var1);
+		String path = var1;
+		if(path.startsWith("/")) {
+			path = path.substring(1);
+		}
+		System.out.println(path);
+		byte[] data = GL11.readFile("texturepackdata/" + path.replace(" ", ""));
+		
+		if(data == null) {
+			return GL11.loadResourceBytes(var1);
 		}
 		
-		return GL11.loadResourceBytes(var1);
+		System.out.println("Texture Found in texture pack: " + path);
+		return data;
 	}
+	
+	 private void deleteExistingTexturePackFiles() {
+		 String path = "texturepackdata/";
+		 Collection<GL11.FileEntry> lst = GL11.listFiles(path, true, true);
+		 for(GL11.FileEntry t : lst) {
+			 if(!t.isDirectory) {
+				 GL11.deleteFile(t.path);
+			 }
+		 }
+		 for(GL11.FileEntry t : lst) {
+			 if(t.isDirectory) {
+				 GL11.deleteFile(t.path);
+			 }
+		 }
+		 GL11.deleteFile(path);
+	 }
 }