89 lines
3.3 KiB
Java
89 lines
3.3 KiB
Java
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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@Transformer.RegisterTransformer
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public class KCauldronClassTransformer implements Transformer {
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@Override
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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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@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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};
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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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}
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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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