Prototik
10 years ago
3 changed files with 118 additions and 46 deletions
@ -1,53 +1,88 @@
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package kcauldron; |
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import org.apache.logging.log4j.Level; |
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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.MethodVisitor; |
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import org.objectweb.asm.tree.FieldInsnNode; |
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import org.objectweb.asm.tree.InsnList; |
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import org.objectweb.asm.tree.InsnNode; |
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import org.objectweb.asm.tree.IntInsnNode; |
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import pw.prok.imagine.api.Pair; |
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import pw.prok.imagine.asm.ImagineASM; |
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import pw.prok.imagine.asm.ImagineMethod; |
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import pw.prok.imagine.asm.ImagineRemapper; |
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import pw.prok.imagine.asm.Transformer; |
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import com.avaje.ebean.annotation.Transactional; |
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import cpw.mods.fml.common.FMLLog; |
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import net.minecraft.launchwrapper.IClassTransformer; |
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import net.minecraft.world.WorldServer; |
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import net.minecraft.world.chunk.IChunkProvider; |
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import static org.objectweb.asm.Opcodes.*; |
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public class KCauldronClassTransformer implements IClassTransformer { |
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public static boolean DEV; |
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@Transformer.RegisterTransformer |
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public class KCauldronClassTransformer implements Transformer { |
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@Override |
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public byte[] transform(String name, String transformedName, byte[] basicClass) { |
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if ("net.minecraft.world.gen.ChunkProviderServer".equals(transformedName) || "net.minecraftforge.common.chunkio.ChunkIOProvider".equals(transformedName)) { |
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return patchChunkCall(basicClass); |
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} |
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return basicClass; |
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} |
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private byte[] patchChunkCall(byte[] bytes) { |
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ClassReader reader = new ClassReader(bytes); |
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ClassWriter writer = new ClassWriter(ClassWriter.COMPUTE_MAXS); |
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reader.accept(new ClassVisitor(ASM5, writer) { |
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@Override |
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public FieldVisitor visitField(int access, String name, |
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String desc, String signature, Object value) { |
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if ("loadedChunkHashMap_vanilla".equals(name)) { |
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name = DEV ? "loadedChunkHashMap" : "field_73244_f"; |
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public void transform(final ImagineASM asm) { |
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if (asm.is("net.minecraft.world.gen.ChunkProviderServer") |
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|| asm.is("net.minecraftforge.common.chunkio.ChunkIOProvider")) { |
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FMLLog.log(Level.INFO, "KCauldron: Patching " + asm.getActualName() + " for compatibility with Mystcraft"); |
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ClassReader reader = new ClassReader(asm.build()); |
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ClassWriter writer = new ClassWriter(ClassWriter.COMPUTE_MAXS); |
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reader.accept(new ClassVisitor(ASM5, writer) { |
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@Override |
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public FieldVisitor visitField(int access, String name, |
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String desc, String signature, Object value) { |
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if ("loadedChunkHashMap_vanilla".equals(name)) { |
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name = asm.isDev() ? "loadedChunkHashMap" : "field_73244_f"; |
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} |
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return super.visitField(access, name, desc, signature, |
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value); |
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} |
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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, |
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String desc, String signature, String[] exceptions) { |
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return new MethodVisitor(api, super.visitMethod(access, name, desc, signature, exceptions)) { |
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@Override |
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public void visitFieldInsn(int opcode, String owner, |
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String name, String desc) { |
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if ("loadedChunkHashMap_vanilla".equals(name)) { |
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name = DEV ? "loadedChunkHashMap" : "field_73244_f"; |
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@Override |
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public MethodVisitor visitMethod(int access, String name, |
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String desc, String signature, String[] exceptions) { |
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return new MethodVisitor(api, super.visitMethod(access, |
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name, desc, signature, exceptions)) { |
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@Override |
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public void visitFieldInsn(int opcode, String owner, |
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String name, String desc) { |
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if ("loadedChunkHashMap_vanilla".equals(name)) { |
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name = asm.isDev() ? "loadedChunkHashMap" : "field_73244_f"; |
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} |
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super.visitFieldInsn(opcode, owner, name, desc); |
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} |
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super.visitFieldInsn(opcode, owner, name, desc); |
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} |
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}; |
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}; |
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} |
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}, 0); |
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asm.loadClass(writer.toByteArray()); |
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} |
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if (asm.is("climateControl.utils.ChunkGeneratorExtractor")) { |
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boolean undergroundBiomesInstalled = false; |
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try { |
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Class.forName("exterminatorJeff.undergroundBiomes.worldGen.ChunkProviderWrapper"); |
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undergroundBiomesInstalled = true; |
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} catch (Exception ignored) { |
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} |
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if (!undergroundBiomesInstalled) { |
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FMLLog.log(Level.INFO, "KCauldron: Patching " + asm.getActualName() + " for compatibility with Climate Control"); |
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extractFrom(asm, asm.method("extractFrom", |
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"(Lnet/minecraft/world/WorldServer;)Lnet/minecraft/world/chunk/IChunkProvider;").instructions()); |
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} |
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}, 0); |
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return writer.toByteArray(); |
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} |
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} |
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public void extractFrom(ImagineASM asm, InsnList list) { |
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//Pair<String, String> fieldChunkProvider = asm.field("net/minecraft/world/World", "chunkProvider");
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list.clear(); |
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list.add(new IntInsnNode(ALOAD, 1)); |
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list.add(new FieldInsnNode(GETFIELD, "ahb", "v", "Lapu;")); |
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list.add(new InsnNode(ARETURN)); |
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} |
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} |
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