Add Core Mod to Enable AE Slots ( Temporary? )

2014-02-11 02:39:15 -06:00
parent f0c4c8c8a9
commit 74ce7156c4
4 changed files with 245 additions and 4 deletions
@@ -0,0 +1,125 @@
+package appeng.transformer;
+
+import java.util.Iterator;
+
+import net.minecraft.launchwrapper.IClassTransformer;
+
+import org.objectweb.asm.ClassReader;
+import org.objectweb.asm.ClassWriter;
+import org.objectweb.asm.Opcodes;
+import org.objectweb.asm.tree.AbstractInsnNode;
+import org.objectweb.asm.tree.ClassNode;
+import org.objectweb.asm.tree.FieldNode;
+import org.objectweb.asm.tree.InsnNode;
+import org.objectweb.asm.tree.MethodInsnNode;
+import org.objectweb.asm.tree.MethodNode;
+import org.objectweb.asm.tree.VarInsnNode;
+
+import com.google.common.collect.HashMultimap;
+import com.google.common.collect.Multimap;
+
+public class AppEngASMTransformer implements IClassTransformer
+{
+
+	Multimap<String, String> publicShit = HashMultimap.create();
+
+	public AppEngASMTransformer() {
+		publicShit.put( "net.minecraft.client.gui.inventory.GuiContainer", "func_146977_a" );
+		publicShit.put( "bcd", "a" );
+	}
+
+	@Override
+	public byte[] transform(String name, String transformedName, byte[] basicClass)
+	{
+		if ( publicShit.containsKey( name ) || publicShit.containsKey( transformedName ) )
+		{
+			ClassNode classNode = new ClassNode();
+			ClassReader classReader = new ClassReader( basicClass );
+			classReader.accept( classNode, 0 );
+
+			for (String Set : publicShit.get( name ))
+			{
+				makePublic( classNode, Set );
+			}
+
+			for (String Set : publicShit.get( transformedName ))
+			{
+				makePublic( classNode, Set );
+			}
+
+			// CALL VIRUAL!
+			if ( transformedName.equals( "net.minecraft.client.gui.inventory.GuiContainer" ) )
+			{
+				for (MethodNode mn : classNode.methods)
+				{
+					if ( mn.name.equals( "func_146977_a" ) )
+					{
+						MethodNode newNode = new MethodNode( Opcodes.ACC_PUBLIC, "func_146977_a_original", mn.desc, mn.signature, new String[0] );
+						newNode.instructions.add( new VarInsnNode( Opcodes.ALOAD, 0 ) );
+						newNode.instructions.add( new VarInsnNode( Opcodes.ALOAD, 1 ) );
+						newNode.instructions.add( new MethodInsnNode( Opcodes.INVOKESPECIAL, classNode.name, mn.name, mn.desc ) );
+						newNode.instructions.add( new InsnNode( Opcodes.RETURN ) );
+						classNode.methods.add( newNode );
+						break;
+					}
+				}
+
+				for (MethodNode mn : classNode.methods)
+				{
+					if ( mn.name.equals( "drawScreen" ) )
+					{
+						Iterator<AbstractInsnNode> i = mn.instructions.iterator();
+						while (i.hasNext())
+						{
+							AbstractInsnNode in = i.next();
+							if ( in.getOpcode() == Opcodes.INVOKESPECIAL )
+							{
+								MethodInsnNode n = (MethodInsnNode) in;
+								if ( n.name.equals( "func_146977_a" ) )
+								{
+									mn.instructions.insertBefore( n, new MethodInsnNode( Opcodes.INVOKEVIRTUAL, n.owner, n.name, n.desc ) );
+									mn.instructions.remove( in );
+									break;
+								}
+							}
+						}
+					}
+				}
+			}
+
+			ClassWriter writer = new ClassWriter( ClassWriter.COMPUTE_MAXS );
+			classNode.accept( writer );
+			return writer.toByteArray();
+		}
+
+		return basicClass;
+	}
+
+	private void makePublic(ClassNode classNode, String set)
+	{
+
+		for (MethodNode mn : classNode.methods)
+		{
+			if ( mn.name.equals( set ) )
+			{
+				mn.access = getFixedAccess( mn.access );
+				return;
+			}
+		}
+
+		for (FieldNode mn : classNode.fields)
+		{
+			if ( mn.name.equals( set ) )
+			{
+				mn.access = getFixedAccess( mn.access );
+				return;
+			}
+		}
+
+	}
+
+	private int getFixedAccess(int access)
+	{
+		return Opcodes.ACC_PUBLIC;
+	}
+}