mirror of
https://github.com/GTNewHorizons/Angelica.git
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96 lines
3.2 KiB
Java
96 lines
3.2 KiB
Java
package shadersmodcore.transform;
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import java.util.Iterator;
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import org.objectweb.asm.ClassReader;
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import org.objectweb.asm.ClassVisitor;
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import org.objectweb.asm.ClassWriter;
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import org.objectweb.asm.FieldVisitor;
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import org.objectweb.asm.Label;
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import org.objectweb.asm.MethodVisitor;
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import org.objectweb.asm.Opcodes;
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import static org.objectweb.asm.Opcodes.*;
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import org.objectweb.asm.commons.Remapper;
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import org.objectweb.asm.tree.MethodNode;
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import net.minecraft.launchwrapper.IClassTransformer;
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public class SMCCTTextureDownload implements IClassTransformer {
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@Override
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public byte[] transform(String par1, String par2, byte[] par3) {
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SMCLog.fine("transforming %s %s",par1,par2);
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ClassReader cr = new ClassReader(par3);
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ClassWriter cw = new ClassWriter(cr, ClassWriter.COMPUTE_MAXS);
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CVTransform cv = new CVTransform(cw);
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cr.accept(cv,0);
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return cw.toByteArray();
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}
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private static class CVTransform extends ClassVisitor
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{
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String classname;
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public CVTransform(ClassVisitor cv)
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{
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super(Opcodes.ASM4, cv);
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}
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@Override
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public void visit(int version, int access, String name,
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String signature, String superName, String[] interfaces) {
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classname = name;
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//SMCLog.info(" class %s",name);
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cv.visit(version, access, name, signature, superName, interfaces);
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}
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@Override
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public FieldVisitor visitField(int access, String name, String desc,
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String signature, Object value) {
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//SMCLog.finest(" field %s %s %s %d", classname, name, desc, access);
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return super.visitField(access, name, desc, signature, value);
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}
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@Override
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public MethodVisitor visitMethod(int access, String name, String desc,
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String signature, String[] exceptions)
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{
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//String nameM = SMCRemap.remapper.mapMethodName(classname, name, desc);
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//SMCLog.info(" method %s.%s%s = %s",classname,name,desc,remappedName);
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if (name.equals("getMultiTexID")) {
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return null;
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}
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return cv.visitMethod(access, name, desc, signature, exceptions);
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}
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@Override
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public void visitEnd() {
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MethodVisitor mv;
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//getMultiTexID
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mv = cv.visitMethod(ACC_PUBLIC, "getMultiTexID", "()Lshadersmodcore/client/MultiTexID;", null, null);
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mv.visitCode();
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Label l0 = new Label();
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mv.visitLabel(l0);
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mv.visitVarInsn(ALOAD, 0);
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mv.visitFieldInsn(GETFIELD, Names.textureDownload_textureUploaded.clas, Names.textureDownload_textureUploaded.name, Names.textureDownload_textureUploaded.desc);
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Label l1 = new Label();
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mv.visitJumpInsn(IFNE, l1);
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mv.visitVarInsn(ALOAD, 0);
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mv.visitMethodInsn(INVOKEVIRTUAL, Names.textureDownload_.clas, Names.iTextureObject_getGlTextureId.name, Names.iTextureObject_getGlTextureId.desc);
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mv.visitInsn(POP);
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mv.visitLabel(l1);
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mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
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mv.visitVarInsn(ALOAD, 0);
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mv.visitMethodInsn(INVOKESPECIAL, Names.abstractTexture_.clas, "getMultiTexID", "()Lshadersmodcore/client/MultiTexID;");
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mv.visitInsn(ARETURN);
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Label l3 = new Label();
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mv.visitLabel(l3);
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mv.visitLocalVariable("this", Names.textureDownload_.desc, null, l0, l3, 0);
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mv.visitMaxs(1, 1);
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mv.visitEnd();
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//end
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cv.visitEnd();
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}
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}
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}
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