Initial commit from the source zip for version 2.3.18

java/shadersmodcore/transform/SMCCTTextureAbstract.java

@@ -0,0 +1,107 @@
+package shadersmodcore.transform;
+
+import net.minecraft.launchwrapper.IClassTransformer;
+
+import org.objectweb.asm.ClassReader;
+import org.objectweb.asm.ClassVisitor;
+import org.objectweb.asm.ClassWriter;
+import org.objectweb.asm.FieldVisitor;
+import org.objectweb.asm.MethodVisitor;
+import org.objectweb.asm.Opcodes;
+import static org.objectweb.asm.Opcodes.*;
+
+/** transformer for net.minecraft.client.renderer.texture.AbstractTexture */
+public class SMCCTTextureAbstract implements IClassTransformer {
+
+	@Override
+	public byte[] transform(String par1, String par2, byte[] par3) {
+		SMCLog.fine("transforming %s %s",par1,par2);
+		ClassReader cr = new ClassReader(par3);
+		ClassWriter cw = new ClassWriter(cr, ClassWriter.COMPUTE_MAXS);
+		CVTransform cv = new CVTransform(cw);
+		cr.accept(cv,0);
+		return cw.toByteArray();
+	}
+
+	private static class CVTransform extends ClassVisitor
+	{
+		String classname;
+		boolean endFields = false;
+
+		public CVTransform(ClassVisitor cv)
+		{
+			super(Opcodes.ASM4, cv);		
+		}
+
+		@Override
+		public void visit(int version, int access, String name,
+				String signature, String superName, String[] interfaces) {
+			classname = name;
+			//SMCLog.info(" class %s",name);
+			cv.visit(version, access, name, signature, superName, interfaces);
+		}
+
+		@Override
+		public FieldVisitor visitField(int access, String name, String desc,
+				String signature, Object value) {
+			if (name.equals("multiTex")) {
+				return null;
+			} else {
+				access = access & (~ACC_PRIVATE & ~ACC_PROTECTED) | ACC_PUBLIC;
+			}
+			return cv.visitField(access, name, desc, signature, value);
+		}
+
+		@Override
+		public MethodVisitor visitMethod(int access, String name, String desc,
+				String signature, String[] exceptions) 
+		{
+			if (!endFields) {
+				endFields = true;
+				FieldVisitor fv;
+				// multiTex
+				fv = cv.visitField(ACC_PUBLIC, "multiTex", "Lshadersmodcore/client/MultiTexID;", null, null);
+				fv.visitEnd();
+			}
+			//SMCLog.info("  method %s.%s%s = %s",classname,name,desc,remappedName);
+			if (Names.abstractTexture_deleteGlTexture.equalsNameDesc(name, desc)) {
+				//SMCLog.finer("  patching method %s.%s%s = %s%s",classname,name,desc,nameM,descM);
+				return new MVdeleteGlTexture(
+						cv.visitMethod(access, name, desc, signature, exceptions));
+			} else if (name.equals("getMultiTexID") && desc.equals("()Lshadersmodcore/client/MultiTexID;")) {
+				return null;
+			}
+			return cv.visitMethod(access, name, desc, signature, exceptions);
+		}
+
+		@Override
+		public void visitEnd() {
+			MethodVisitor mv;
+			// getMultiTexID
+			mv = cv.visitMethod(ACC_PUBLIC, "getMultiTexID", "()Lshadersmodcore/client/MultiTexID;", null, null);
+			mv.visitCode();
+			mv.visitVarInsn(ALOAD, 0);
+			mv.visitMethodInsn(INVOKESTATIC, "shadersmodcore/client/ShadersTex", "getMultiTexID", "("+Names.abstractTexture_.desc+")Lshadersmodcore/client/MultiTexID;");
+			mv.visitInsn(ARETURN);
+			mv.visitMaxs(1, 1);
+			mv.visitEnd();
+			// end
+			cv.visitEnd();
+		}
+	}
+	
+	private static class MVdeleteGlTexture extends MethodVisitor
+	{
+		public MVdeleteGlTexture(MethodVisitor mv) {
+			super(Opcodes.ASM4, mv);
+		}
+
+		@Override
+		public void visitCode() {
+			mv.visitCode();
+			mv.visitVarInsn(ALOAD, 0);
+			mv.visitMethodInsn(INVOKESTATIC, "shadersmodcore/client/ShadersTex", "deleteTextures", "("+Names.abstractTexture_.desc+")V");
+		}
+
+	}
+}