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Привет всем.Есть несколько классов
1)
2)
3)
4)
Сурсы https://github.com/VikeStep/Coremod-Tutorial
Дело в том что если залить исходники ничего не изменяется,а должно быть так что кактус не наносит урон игроку.Что я неправильно делаю?
1)
Код:
package com.vikestep.anticacti;
import net.minecraft.launchwrapper.IClassTransformer;
import org.objectweb.asm.ClassReader;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.Type;
import org.objectweb.asm.tree.*;
import static org.objectweb.asm.Opcodes.*;
import java.util.Arrays;
public class AntiCactiClassTransformer implements IClassTransformer
{
private static final String[] classesBeingTransformed =
{
"net.minecraft.block.BlockCactus"
};
private static final boolean isBadMethod = false;
@Override
public byte[] transform(String name, String transformedName, byte[] classBeingTransformed)
{
boolean isObfuscated = !name.equals(transformedName);
int index = Arrays.asList(classesBeingTransformed).indexOf(transformedName);
return index != -1 ? transform(index, classBeingTransformed, isObfuscated) : classBeingTransformed;
}
private static byte[] transform(int index, byte[] classBeingTransformed, boolean isObfuscated)
{
System.out.println("Transforming: " + classesBeingTransformed[index]);
try
{
ClassNode classNode = new ClassNode();
ClassReader classReader = new ClassReader(classBeingTransformed);
classReader.accept(classNode, 0);
switch(index)
{
case 0:
transformBlockCactus(classNode, isObfuscated);
break;
}
ClassWriter classWriter = new ClassWriter(ClassWriter.COMPUTE_MAXS | ClassWriter.COMPUTE_FRAMES);
classNode.accept(classWriter);
return classWriter.toByteArray();
}
catch (Exception e)
{
e.printStackTrace();
}
return classBeingTransformed;
}
private static void transformBlockCactus(ClassNode blockCactusClass, boolean isObfuscated)
{
final String ENTITY_COLLIDE = isObfuscated ? "a" : "onEntityCollidedWithBlock";
final String ENTITY_COLLIDE_DESC = isObfuscated ? "(Lahb;IIILsa;)V" : "(Lnet/minecraft/world/World;IIILnet/minecraft/entity/Entity;)V";
for (MethodNode method : blockCactusClass.methods)
{
if (method.name.equals(ENTITY_COLLIDE) && method.desc.equals(ENTITY_COLLIDE_DESC))
{
AbstractInsnNode targetNode = null;
for (AbstractInsnNode instruction : method.instructions.toArray())
{
if (instruction.getOpcode() == ALOAD)
{
if (((VarInsnNode) instruction).var == 5 && instruction.getNext().getOpcode() == GETSTATIC)
{
targetNode = instruction;
break;
}
}
}
if (targetNode != null && isBadMethod)
{
/*
REMOVING:
mv.visitVarInsn(ALOAD, 5);
mv.visitFieldInsn(GETSTATIC, "net/minecraft/util/DamageSource", "cactus", "Lnet/minecraft/util/DamageSource;");
mv.visitInsn(FCONST_1);
mv.visitMethodInsn(INVOKEVIRTUAL, "net/minecraft/entity/Entity", "attackEntityFrom", "(Lnet/minecraft/util/DamageSource;F)Z", false);
mv.visitInsn(POP);
*/
for (int i = 0; i < 5; i++)
{
targetNode = targetNode.getNext();
method.instructions.remove(targetNode.getPrevious());
}
//Wrapping this in a conditional
}
else if (targetNode != null)
{
/*
Replacing:
p_149670_5_.attackEntityFrom(DamageSource.cactus, 1.0F);
With:
if (Hooks.cactusDoesDamage(p_149670_5_))
{
p_149670_5_.attackEntityFrom(DamageSource.cactus, 1.0F);
}
BYTECODE
Replacing:
mv.visitVarInsn(ALOAD, 5);
mv.visitFieldInsn(GETSTATIC, "net/minecraft/util/DamageSource", "cactus", "Lnet/minecraft/util/DamageSource;");
mv.visitInsn(FCONST_1);
mv.visitMethodInsn(INVOKEVIRTUAL, "net/minecraft/entity/Entity", "attackEntityFrom", "(Lnet/minecraft/util/DamageSource;F)Z", false);
mv.visitInsn(POP);
With:
ALOAD 5
INVOKEVIRTUAL Hooks.cactusDoesDamage(net/minecraft/entity/Entity)
IFEQ newLabelNode
mv.visitVarInsn(ALOAD, 5);
mv.visitFieldInsn(GETSTATIC, "net/minecraft/util/DamageSource", "cactus", "Lnet/minecraft/util/DamageSource;");
mv.visitInsn(FCONST_1);
mv.visitMethodInsn(INVOKEVIRTUAL, "net/minecraft/entity/Entity", "attackEntityFrom", "(Lnet/minecraft/util/DamageSource;F)Z", false);
mv.visitInsn(POP);
LABEL newLabelNode
*/
AbstractInsnNode popNode = targetNode;
for (int i = 0; i < 4; i++)
{
popNode = popNode.getNext();
}
LabelNode newLabelNode = new LabelNode();
InsnList toInsert = new InsnList();
toInsert.add(new VarInsnNode(ALOAD, 5));
toInsert.add(new MethodInsnNode(INVOKESTATIC, Type.getInternalName(Hooks.class), "cactusDoesDamage", isObfuscated ? "(Lsa;)Z" : "(Lnet/minecraft/entity/Entity;)Z", false));
toInsert.add(new JumpInsnNode(IFEQ, newLabelNode));
method.instructions.insertBefore(targetNode, toInsert);
method.instructions.insert(popNode, newLabelNode);
}
else
{
System.out.println("Something went wrong transforming BlockCactus!");
}
}
}
}
}2)
Код:
package com.vikestep.anticacti;
import com.google.common.eventbus.EventBus;
import cpw.mods.fml.common.DummyModContainer;
import cpw.mods.fml.common.LoadController;
import cpw.mods.fml.common.ModMetadata;
import java.util.Arrays;
public class AntiCactiModContainer extends DummyModContainer
{
public AntiCactiModContainer()
{
super(new ModMetadata());
ModMetadata meta = getMetadata();
meta.modId = "anticacti";
meta.name = "AntiCacti";
meta.description = "Stops Cactus Damage";
meta.version = "1.7.10-1.0";
meta.authorList = Arrays.asList("VikeStep");
}
@Override
public boolean registerBus(EventBus bus, LoadController controller)
{
bus.register(this);
return true;
}
}3)
Код:
package com.vikestep.anticacti;
import cpw.mods.fml.relauncher.IFMLLoadingPlugin;
import java.util.Map;
@IFMLLoadingPlugin.MCVersion("1.7.10")
@IFMLLoadingPlugin.TransformerExclusions({"com.vikestep.anticacti"})
public class AntiCactiPlugin implements IFMLLoadingPlugin
{
@Override
public String[] getASMTransformerClass()
{
return new String[]{"com.vikestep.anticacti.AntiCactiClassTransformer"};
}
@Override
public String getModContainerClass()
{
return "com.vikestep.anticacti.AntiCactiModContainer";
}
@Override
public String getSetupClass()
{
return null;
}
@Override
public void injectData(Map<String, Object> data)
{
}
@Override
public String getAccessTransformerClass()
{
return null;
}
}4)
Код:
package com.vikestep.anticacti;
import net.minecraft.entity.Entity;
import net.minecraft.entity.player.EntityPlayer;
public class Hooks
{
public static boolean cactusDoesDamage(Entity entity)
{
return !(entity instanceof EntityPlayer);
}
}Сурсы https://github.com/VikeStep/Coremod-Tutorial
Дело в том что если залить исходники ничего не изменяется,а должно быть так что кактус не наносит урон игроку.Что я неправильно делаю?
