mirror of
https://github.com/GTNewHorizons/Angelica.git
synced 2026-11-11 16:07:39 +00:00
355 lines
11 KiB
Java
355 lines
11 KiB
Java
package shadersmodcore.transform;
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import java.util.Iterator;
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import org.lwjgl.opengl.GL11;
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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 SMCCTRenderGlobal 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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if (Names.renderGlobal_worldRenderers.name.equals(name)) {
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access = access & (~ACC_PRIVATE & ~ACC_PROTECTED) | ACC_PUBLIC;
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}
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return cv.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 remappedName = 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 (Names.renderGlobal_renderEntities.equalsNameDesc(name, desc))
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{
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SMCLog.finer(" patch method %s.%s%s",classname,name,desc);
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return new MVrenderEntities(cv.visitMethod(access, name, desc, signature, exceptions));
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}
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else if (Names.renderGlobal_sortAndRender.equalsNameDesc(name, desc))
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{
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SMCLog.finer(" patch method %s.%s%s",classname,name,desc);
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return new MVendisTexFog(cv.visitMethod(access, name, desc, signature, exceptions));
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}
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else if (Names.renderGlobal_renderSky.equalsNameDesc(name, desc))
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{
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SMCLog.finer(" patch method %s.%s%s",classname,name,desc);
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return new MVrenderSky(cv.visitMethod(access, name, desc, signature, exceptions));
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}
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else if (Names.renderGlobal_drawBlockDamageTexture.equalsNameDesc(name, desc)
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|| name.equals("drawBlockDamageTexture") ) // Optifine
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{
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SMCLog.finer(" patch method %s.%s%s",classname,name,desc);
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return new MVdrawBlockDamageTexture(cv.visitMethod(access, name, desc, signature, exceptions));
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}
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else if (Names.renderGlobal_drawSelectionBox.equalsNameDesc(name, desc))
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{
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SMCLog.finer(" patch method %s.%s%s",classname,name,desc);
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return new MVendisTexFog(cv.visitMethod(access, name, desc, signature, exceptions));
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}
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return cv.visitMethod(access, name, desc, signature, exceptions);
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}
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}
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private static class MVrenderEntities extends MethodVisitor
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{
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public MVrenderEntities(MethodVisitor mv) {
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super(Opcodes.ASM4, mv);
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}
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int state = 0;
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@Override
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public void visitLdcInsn(Object cst) {
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if (cst instanceof String) {
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String scst = (String)cst;
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if (scst.equals("entities")) {
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state = 1;
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}
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else if (scst.equals("blockentities")) {
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state = 4;
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}
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}
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mv.visitLdcInsn(cst);
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}
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@Override
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public void visitFieldInsn(int opcode, String owner, String name,
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String desc) {
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if (state==2) {
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if (Names.renderManager_instance.equals(owner, name, desc)) {
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state = 3;
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mv.visitMethodInsn(INVOKESTATIC, "shadersmodcore/client/Shaders", "nextEntity", "()V");
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}
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}
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mv.visitFieldInsn(opcode, owner, name, desc);
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}
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@Override
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public void visitMethodInsn(int opcode, String owner, String name, String desc) {
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mv.visitMethodInsn(opcode, owner, name, desc);
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if (state == 1) {
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state = 2;
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mv.visitMethodInsn(INVOKESTATIC, "shadersmodcore/client/Shaders", "beginEntities", "()V");
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SMCLog.finest(" %s","beginEntities");
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} else if (state == 4) {
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state = 5;
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mv.visitMethodInsn(INVOKESTATIC, "shadersmodcore/client/Shaders", "endEntities", "()V");
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SMCLog.finest(" %s","endEntities");
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mv.visitMethodInsn(INVOKESTATIC, "shadersmodcore/client/Shaders", "beginBlockEntities", "()V");
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SMCLog.finest(" %s","beginTileEntities");
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} else if (state == 5) {
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if (Names.entityRenderer_disableLightmap.equals(owner, name, desc)) {
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state = 6;
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mv.visitMethodInsn(INVOKESTATIC, "shadersmodcore/client/Shaders", "endBlockEntities", "()V");
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SMCLog.finest(" %s","endTileEntities");
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}
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}
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}
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}
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/* detect glEnable or glDisable (TEXTURE_2D or FOG) */
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private static class MVendisTexFog extends MethodVisitor
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{
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public MVendisTexFog(MethodVisitor mv) {
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super(Opcodes.ASM4, mv);
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}
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int lastInt = 0;
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@Override
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public void visitIntInsn(int opcode, int operand) {
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mv.visitIntInsn(opcode, operand);
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if (opcode == SIPUSH && (operand==3553 || operand==2912)) {
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lastInt = operand;
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}
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else {
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lastInt = 0;
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}
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}
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@Override
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public void visitMethodInsn(int opcode, String owner, String name, String desc) {
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mv.visitMethodInsn(opcode, owner, name, desc);
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if (owner.equals("org/lwjgl/opengl/GL11")) {
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if (name.equals("glEnable")) {
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if (lastInt==GL11.GL_TEXTURE_2D) {
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mv.visitMethodInsn(INVOKESTATIC, "shadersmodcore/client/Shaders", "enableTexture2D", "()V");
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SMCLog.finest(" %s","enableTexture2D");
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} else if (lastInt==GL11.GL_FOG) {
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mv.visitMethodInsn(INVOKESTATIC, "shadersmodcore/client/Shaders", "enableFog", "()V");
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SMCLog.finest(" %s","enableFog");
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}
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} else if (name.equals("glDisable")) {
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if (lastInt==GL11.GL_TEXTURE_2D) {
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mv.visitMethodInsn(INVOKESTATIC, "shadersmodcore/client/Shaders", "disableTexture2D", "()V");
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SMCLog.finest(" %s","disableTexture2D");
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} else if (lastInt==GL11.GL_FOG) {
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mv.visitMethodInsn(INVOKESTATIC, "shadersmodcore/client/Shaders", "disableFog", "()V");
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SMCLog.finest(" %s","disableFog");
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}
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}
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}
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lastInt = 0;
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}
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}
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/* extends MVenableTF */
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private static class MVrenderSky extends MVendisTexFog
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{
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public MVrenderSky(MethodVisitor mv) {
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super(mv);
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}
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int state = 0;
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boolean detectedOptifine = false;
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int lastInt = 0;
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int lastVar = 0;
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@Override
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public void visitIntInsn(int opcode, int operand) {
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mv.visitIntInsn(opcode, operand);
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if (opcode == SIPUSH) {
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lastInt = operand;
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} else {
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lastInt = 0;
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}
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}
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@Override
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public void visitVarInsn(int opcode, int var) {
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mv.visitVarInsn(opcode, var);
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if (opcode == ALOAD) {
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lastVar = var;
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} else {
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lastVar = 0;
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}
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}
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@Override
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public void visitFieldInsn(int opcode, String owner, String name, String desc) {
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switch (state)
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{
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case 0:
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if (Names.vec3_xCoord.equals(owner, name)) {
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++state;
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mv.visitMethodInsn(INVOKESTATIC, "shadersmodcore/client/Shaders", "setSkyColor", "("+Names.vec3_.desc+")V");
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mv.visitVarInsn(ALOAD, lastVar);
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break;
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}
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break;
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case 1:
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if (Names.renderGlobal_glSkyList.equals(owner, name)) {
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++state;
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mv.visitMethodInsn(INVOKESTATIC, "shadersmodcore/client/Shaders", "preSkyList", "()V");
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break;
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}
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break;
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}
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mv.visitFieldInsn(opcode, owner, name, desc);
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}
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@Override
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public void visitMethodInsn(int opcode, String owner, String name, String desc) {
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//SMCLog.info(" %s.%s%s",ownerM,nameM,descM);
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switch (state) {
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case 0:
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if (owner.equals("Config") && name.equals("isSkyEnabled")) {
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detectedOptifine = true;
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}
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break;
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case 2:
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if (Names.worldClient_getRainStrength.equals(owner, name, desc)) {
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++state;
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}
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break;
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}
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//
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mv.visitMethodInsn(opcode, owner, name, desc);
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//
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if (owner.equals("org/lwjgl/opengl/GL11")) {
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if (name.equals("glEnable")) {
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if (lastInt==GL11.GL_TEXTURE_2D) {
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mv.visitMethodInsn(INVOKESTATIC, "shadersmodcore/client/Shaders", "enableTexture2D", "()V");
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SMCLog.finest(" %s","enableTexture2D");
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} else if (lastInt==GL11.GL_FOG) {
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mv.visitMethodInsn(INVOKESTATIC, "shadersmodcore/client/Shaders", "enableFog", "()V");
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SMCLog.finest(" %s","enableFog");
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}
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} else if (name.equals("glDisable")) {
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if (lastInt==GL11.GL_TEXTURE_2D) {
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mv.visitMethodInsn(INVOKESTATIC, "shadersmodcore/client/Shaders", "disableTexture2D", "()V");
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SMCLog.finest(" %s","disableTexture2D");
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} else if (lastInt==GL11.GL_FOG) {
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mv.visitMethodInsn(INVOKESTATIC, "shadersmodcore/client/Shaders", "disableFog", "()V");
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SMCLog.finest(" %s","disableFog");
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}
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} else if (name.equals("glRotatef")) {
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SMCLog.finest(" *%s %d","glRotatef",state);
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if (state == 3) {
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++state;
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mv.visitMethodInsn(INVOKESTATIC, "shadersmodcore/client/Shaders", "preCelestialRotate", "()V");
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SMCLog.finest(" %s","preCelestialRotate");
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} else if (state == 4) {
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++state;
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mv.visitMethodInsn(INVOKESTATIC, "shadersmodcore/client/Shaders", "postCelestialRotate", "()V");
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SMCLog.finest(" %s","postCelestialRotate");
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}
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}
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}
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}
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}
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private static class MVdrawBlockDamageTexture extends MethodVisitor
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{
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int state = 0;
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public MVdrawBlockDamageTexture(MethodVisitor mv) {
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super(Opcodes.ASM4, mv);
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}
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@Override
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public void visitIntInsn(int opcode, int operand) {
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switch(state)
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{
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case 0:
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if (opcode==SIPUSH && operand==GL11.GL_ALPHA_TEST) {
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++state;
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}
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break;
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case 2:
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if (opcode==SIPUSH && operand==GL11.GL_ALPHA_TEST) {
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++state;
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mv.visitMethodInsn(INVOKESTATIC, "shadersmodcore/client/Shaders", "endBlockDestroyProgress", "()V");
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SMCLog.finest(" %s","endBlockDestroyProgress");
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}
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break;
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}
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mv.visitIntInsn(opcode, operand);
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}
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@Override
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public void visitMethodInsn(int opcode, String owner, String name, String desc) {
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switch(state)
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{
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case 1:
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if (owner.equals("org/lwjgl/opengl/GL11") && name.equals("glEnable")) {
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++state;
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mv.visitMethodInsn(opcode, owner, name, desc);
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mv.visitMethodInsn(INVOKESTATIC, "shadersmodcore/client/Shaders", "beginBlockDestroyProgress", "()V");
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SMCLog.finest(" %s","beginBlockDestroyProgress");
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return;
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}
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break;
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}
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mv.visitMethodInsn(opcode, owner, name, desc);
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}
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}
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}
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