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Patch ClimateControl for compatibility. Meh.

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This commit is contained in:
Prototik
2015-05-28 17:26:48 +07:00
parent 7483df1567
commit bab4bd8b46
3 changed files with 119 additions and 47 deletions
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109
src/main/java/kcauldron/KCauldronClassTransformer.java
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@ -1,53 +1,88 @@
package kcauldron;
import org.apache.logging.log4j.Level;
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.tree.FieldInsnNode;
import org.objectweb.asm.tree.InsnList;
import org.objectweb.asm.tree.InsnNode;
import org.objectweb.asm.tree.IntInsnNode;
import pw.prok.imagine.api.Pair;
import pw.prok.imagine.asm.ImagineASM;
import pw.prok.imagine.asm.ImagineMethod;
import pw.prok.imagine.asm.ImagineRemapper;
import pw.prok.imagine.asm.Transformer;
import com.avaje.ebean.annotation.Transactional;
import cpw.mods.fml.common.FMLLog;
import net.minecraft.launchwrapper.IClassTransformer;
import net.minecraft.world.WorldServer;
import net.minecraft.world.chunk.IChunkProvider;
import static org.objectweb.asm.Opcodes.*;
public class KCauldronClassTransformer implements IClassTransformer {
public static boolean DEV;
@Transformer.RegisterTransformer
public class KCauldronClassTransformer implements Transformer {
@Override
public byte[] transform(String name, String transformedName, byte[] basicClass) {
if ("net.minecraft.world.gen.ChunkProviderServer".equals(transformedName) || "net.minecraftforge.common.chunkio.ChunkIOProvider".equals(transformedName)) {
return patchChunkCall(basicClass);
}
return basicClass;
}
private byte[] patchChunkCall(byte[] bytes) {
ClassReader reader = new ClassReader(bytes);
ClassWriter writer = new ClassWriter(ClassWriter.COMPUTE_MAXS);
reader.accept(new ClassVisitor(ASM5, writer) {
@Override
public FieldVisitor visitField(int access, String name,
String desc, String signature, Object value) {
if ("loadedChunkHashMap_vanilla".equals(name)) {
name = DEV ? "loadedChunkHashMap" : "field_73244_f";
}
return super.visitField(access, name, desc, signature, value);
}
@Override
public MethodVisitor visitMethod(int access, String name,
String desc, String signature, String[] exceptions) {
return new MethodVisitor(api, super.visitMethod(access, name, desc, signature, exceptions)) {
@Override
public void visitFieldInsn(int opcode, String owner,
String name, String desc) {
if ("loadedChunkHashMap_vanilla".equals(name)) {
name = DEV ? "loadedChunkHashMap" : "field_73244_f";
}
super.visitFieldInsn(opcode, owner, name, desc);
public void transform(final ImagineASM asm) {
if (asm.is("net.minecraft.world.gen.ChunkProviderServer")
|| asm.is("net.minecraftforge.common.chunkio.ChunkIOProvider")) {
FMLLog.log(Level.INFO, "KCauldron: Patching " + asm.getActualName() + " for compatibility with Mystcraft");
ClassReader reader = new ClassReader(asm.build());
ClassWriter writer = new ClassWriter(ClassWriter.COMPUTE_MAXS);
reader.accept(new ClassVisitor(ASM5, writer) {
@Override
public FieldVisitor visitField(int access, String name,
String desc, String signature, Object value) {
if ("loadedChunkHashMap_vanilla".equals(name)) {
name = asm.isDev() ? "loadedChunkHashMap" : "field_73244_f";
}
};
return super.visitField(access, name, desc, signature,
value);
}
@Override
public MethodVisitor visitMethod(int access, String name,
String desc, String signature, String[] exceptions) {
return new MethodVisitor(api, super.visitMethod(access,
name, desc, signature, exceptions)) {
@Override
public void visitFieldInsn(int opcode, String owner,
String name, String desc) {
if ("loadedChunkHashMap_vanilla".equals(name)) {
name = asm.isDev() ? "loadedChunkHashMap" : "field_73244_f";
}
super.visitFieldInsn(opcode, owner, name, desc);
}
};
}
}, 0);
asm.loadClass(writer.toByteArray());
}
if (asm.is("climateControl.utils.ChunkGeneratorExtractor")) {
boolean undergroundBiomesInstalled = false;
try {
Class.forName("exterminatorJeff.undergroundBiomes.worldGen.ChunkProviderWrapper");
undergroundBiomesInstalled = true;
} catch (Exception ignored) {
}
}, 0);
return writer.toByteArray();
if (!undergroundBiomesInstalled) {
FMLLog.log(Level.INFO, "KCauldron: Patching " + asm.getActualName() + " for compatibility with Climate Control");
extractFrom(asm, asm.method("extractFrom",
"(Lnet/minecraft/world/WorldServer;)Lnet/minecraft/world/chunk/IChunkProvider;").instructions());
}
}
}
public void extractFrom(ImagineASM asm, InsnList list) {
//Pair<String, String> fieldChunkProvider = asm.field("net/minecraft/world/World", "chunkProvider");
list.clear();
list.add(new IntInsnNode(ALOAD, 1));
list.add(new FieldInsnNode(GETFIELD, "ahb", "v", "Lapu;"));
list.add(new InsnNode(ARETURN));
}
}