auto clean cache

Author: RecursiveG

src/main/java/org/devinprogress/uniskinmod/CoreTransformer.java

@@ -30,7 +30,7 @@ public class CoreTransformer implements IClassTransformer {
     // Insert code after the IF and hijack hashmap
     // Add MinecraftTextureProfile Manually
     // you have also pass p_152790_1_(GameProfile)
-    
+
     // Hack into MinecraftProfileTexture.getHash()Ljava/lang/String;
     // SHA-1 of the url as the hash instead of the filename
     // workaround for different format of skin urls.
@@ -52,7 +52,7 @@ public static void injectCode(MethodNode mn){
         FieldInsnNode loadGameProfileToStack=(FieldInsnNode) ((FieldInsnNode)n).clone(null);
         n=ASMHelper.getNthInsnNode(mn, Opcodes.IFEQ,1);
         n=ASMHelper.getLabel(n).getNext();
-        
+
         mn.instructions.insertBefore(n, new VarInsnNode(Opcodes.ALOAD,1));
         mn.instructions.insertBefore(n, new VarInsnNode(Opcodes.ALOAD,0));
         mn.instructions.insertBefore(n, loadGameProfileToStack);
@@ -67,6 +67,7 @@ public static void noOpaque(MethodNode mn){
 
     public static void newHash(MethodNode mn){
         SkinCore.log("hash Transformer Hit");
+        if(SkinCore.useMojangStyledHash)return;
         mn.instructions.clear();
         mn.instructions.add(new VarInsnNode(Opcodes.ALOAD,0));
         mn.instructions.add(new FieldInsnNode(Opcodes.GETFIELD,"com/mojang/authlib/minecraft/MinecraftProfileTexture","url","Ljava/lang/String;"));
@@ -75,7 +76,7 @@ public static void newHash(MethodNode mn){
         mn.maxLocals=1;
         mn.maxStack=1;
     }
-    
+
 	@Override
 	public byte[] transform(String name, String transformedName, byte[] bytes) {
         return asm.transform(transformedName,bytes);

src/main/java/org/devinprogress/uniskinmod/SkinCore.java

@@ -21,6 +21,9 @@ public class SkinCore implements IFMLLoadingPlugin{
     private List<String> SkinURLs=new ArrayList<String>();
     private List<String> CloakURLs=new ArrayList<String>();
 
+    private boolean noCleanup=false;
+    public static boolean useMojangStyledHash=false;
+
     public SkinCore(){
         if(instance!=null)
             throw new RuntimeException("Duplicated Initialization for SkinCore");
@@ -87,25 +90,53 @@ public void injectData(Map<String, Object> data) {
             }
             br.close();
             fr.close();
+
+            if(!noCleanup){
+                File skin_dir=new File(((File) data.get("mcLocation")).getAbsolutePath()
+                        + File.separatorChar + "assets" + File.separatorChar
+                        + "skins");
+                if(skin_dir.exists()&&skin_dir.isDirectory()){
+                    skin_dir.delete();
+                    log("Skin Cache Cleared.");
+                }
+            }
         } catch (IOException e) {
             e.printStackTrace();
         }
     }
 
     private boolean tryProcessLine(String line){
         log("Processing:"+line);
+        line=line.trim();
         if(line.startsWith("#"))return true;
         if(!line.contains("%s"))return false;
         if(line.startsWith("Skin: ")){
             SkinURLs.add(line.split(" ",2)[1]);
-        }else if(line.startsWith("Cloak: ")){
-            CloakURLs.add(line.split(" ",2)[1]);
+        }else if(line.startsWith("Cloak: ")) {
+            CloakURLs.add(line.split(" ", 2)[1]);
+        }else if(line.startsWith(":")){
+            if(tryProcessOption(line.substring(1).trim()))
+                return true;
+            else
+                return false;
         }else{
             return false;
         }
         return true;
     }
 
+    private boolean tryProcessOption(String line){
+        if(line.equalsIgnoreCase("nocleanup")){
+            noCleanup=true;
+            return true;
+        }else if(line.equalsIgnoreCase("usemojangstyledhash")){
+            useMojangStyledHash=true;
+            return true;
+        }else{
+            return false;
+        }
+    }
+
     @Override
     public String getAccessTransformerClass() {
         return null;