Example usage for org.objectweb.asm.tree InsnList add

List of usage examples for org.objectweb.asm.tree InsnList add

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Introduction

In this page you can find the example usage for org.objectweb.asm.tree InsnList add.

Prototype

public void add(final InsnList insnList)

Source Link

Document

Adds the given instructions to the end of this list.

Usage

From source file:net.lyonlancer5.mcmp.karasu.asm.KarasuTransformer.java

License:Apache License

private static void transformEntityLivingBase(ClassNode classNode) {
    Constants.LOGGER.info("======== Project Karasu ~ Water Walking Enchantment Patch ========");
    Constants.LOGGER.info("Patching net.minecraft.entity.EntityLivingBase");

    for (MethodNode method : classNode.methods) {
        if (method.desc.equals("(FF)V")) {

            AbstractInsnNode movefNode = null;
            AbstractInsnNode motionxNode = null;
            AbstractInsnNode motionzNode = null;
            AbstractInsnNode motionyNode = null;
            AbstractInsnNode[] moveList = method.instructions.toArray();
            int var11 = moveList.length;

            for (int var12 = 0; var12 < var11; ++var12) {
                AbstractInsnNode instruction = moveList[var12];
                if (instruction.getOpcode() == Opcodes.ALOAD) {
                    if (((VarInsnNode) instruction).var == 0 && instruction.getNext().getOpcode() == Opcodes.DUP
                            && motionxNode == null) {
                        motionxNode = instruction;
                    } else if (((VarInsnNode) instruction).var == 0
                            && instruction.getNext().getOpcode() == Opcodes.DUP && motionyNode == null) {
                        motionyNode = instruction;
                    } else if (((VarInsnNode) instruction).var == 0
                            && instruction.getNext().getOpcode() == Opcodes.DUP && motionzNode == null) {
                        motionzNode = instruction;
                    } else if (movefNode == null && ((VarInsnNode) instruction).var == 0
                            && instruction.getNext().getOpcode() == Opcodes.FLOAD
                            && ((VarInsnNode) instruction.getNext()).var == 1) {
                        movefNode = instruction;
                    }/*from w  w  w  . ja v a  2s .co  m*/
                }
            }

            int var14;
            InsnList var15;

            if (method.name.equals("e")) {
                Constants.LOGGER.info("Found matching method: " + method.name + " " + method.desc + " - (Obf)");
                if (motionxNode != null) {
                    for (var14 = 0; var14 < 6; ++var14) {
                        motionxNode = motionxNode.getNext();
                        method.instructions.remove(motionxNode.getPrevious());
                    }
                    Constants.LOGGER.info("Patching sv.w");
                    var15 = new InsnList();
                    var15.add(new VarInsnNode(Opcodes.ALOAD, 0));
                    var15.add(new InsnNode(Opcodes.DUP));
                    var15.add(new FieldInsnNode(Opcodes.GETFIELD, "net/minecraft/entity/EntityLivingBase", "w",
                            "D"));
                    var15.add(new MethodInsnNode(Opcodes.INVOKESTATIC,
                            "net/lyonlancer5/mcmp/karasu/asm/KarasuFeatherMetadata", "modifyHorizontalVel",
                            "()D", false));
                    var15.add(new InsnNode(Opcodes.DMUL));
                    var15.add(new FieldInsnNode(Opcodes.PUTFIELD, "net/minecraft/entity/EntityLivingBase", "w",
                            "D"));
                    method.instructions.insertBefore(motionxNode, var15);
                    Constants.LOGGER.info("Patched sv.w");
                }

                if (motionzNode != null) {
                    for (var14 = 0; var14 < 6; ++var14) {
                        motionzNode = motionzNode.getNext();
                        method.instructions.remove(motionzNode.getPrevious());
                    }

                    Constants.LOGGER.info("Patching sv.y");
                    var15 = new InsnList();
                    var15.add(new VarInsnNode(Opcodes.ALOAD, 0));
                    var15.add(new InsnNode(Opcodes.DUP));
                    var15.add(new FieldInsnNode(Opcodes.GETFIELD, "net/minecraft/entity/EntityLivingBase", "y",
                            "D"));
                    var15.add(new MethodInsnNode(Opcodes.INVOKESTATIC,
                            "net/lyonlancer5/mcmp/karasu/asm/KarasuFeatherMetadata", "modifyHorizontalVel",
                            "()D", false));
                    var15.add(new InsnNode(Opcodes.DMUL));
                    var15.add(new FieldInsnNode(Opcodes.PUTFIELD, "net/minecraft/entity/EntityLivingBase", "y",
                            "D"));
                    method.instructions.insertBefore(motionzNode, var15);
                    Constants.LOGGER.info("Patched sv.y");
                }

                if (movefNode != null) {
                    for (var14 = 0; var14 < 14; ++var14) {
                        movefNode = movefNode.getNext();
                        method.instructions.remove(movefNode.getPrevious());
                    }

                    var15 = new InsnList();
                    var15.add(new VarInsnNode(Opcodes.ALOAD, 0));
                    var15.add(new VarInsnNode(Opcodes.FLOAD, 1));
                    var15.add(new VarInsnNode(Opcodes.FLOAD, 2));
                    var15.add(new MethodInsnNode(Opcodes.INVOKESTATIC,
                            "net/lyonlancer5/mcmp/karasu/asm/KarasuFeatherMetadata", "modifyVerticalVel", "()F",
                            false));
                    var15.add(new MethodInsnNode(Opcodes.INVOKEVIRTUAL, "net/minecraft/entity/EntityLivingBase",
                            "a", "(FFF)V", false));
                    method.instructions.insertBefore(movefNode, var15);
                    Constants.LOGGER.info("Patching method -- sv.a (FFF)V");
                }

                Constants.LOGGER.info("Patch success!");
                return;
            } else if (method.name.equals("moveEntityWithHeading")) {
                Constants.LOGGER
                        .info("Found matching method: " + method.name + " " + method.desc + " - (Deobf)");
                if (motionxNode != null) {
                    for (var14 = 0; var14 < 6; ++var14) {
                        motionxNode = motionxNode.getNext();
                        method.instructions.remove(motionxNode.getPrevious());
                    }

                    Constants.LOGGER.info("Patching EntityLivingBase.motionX");
                    var15 = new InsnList();
                    var15.add(new VarInsnNode(Opcodes.ALOAD, 0));
                    var15.add(new InsnNode(Opcodes.DUP));
                    var15.add(new FieldInsnNode(Opcodes.GETFIELD, "net/minecraft/entity/EntityLivingBase",
                            "motionX", "D"));
                    var15.add(new MethodInsnNode(Opcodes.INVOKESTATIC,
                            "net/lyonlancer5/mcmp/karasu/asm/KarasuFeatherMetadata", "modifyHorizontalVel",
                            "()D", false));
                    var15.add(new InsnNode(Opcodes.DMUL));
                    var15.add(new FieldInsnNode(Opcodes.PUTFIELD, "net/minecraft/entity/EntityLivingBase",
                            "motionX", "D"));
                    method.instructions.insertBefore(motionxNode, var15);
                    Constants.LOGGER.info("Patched EntityLivingBase.motionX");
                }

                if (motionzNode != null) {
                    for (var14 = 0; var14 < 6; ++var14) {
                        motionzNode = motionzNode.getNext();
                        method.instructions.remove(motionzNode.getPrevious());
                    }

                    Constants.LOGGER.info("Patching EntityLivingBase.motionZ");
                    var15 = new InsnList();
                    var15.add(new VarInsnNode(Opcodes.ALOAD, 0));
                    var15.add(new InsnNode(Opcodes.DUP));
                    var15.add(new FieldInsnNode(Opcodes.GETFIELD, "net/minecraft/entity/EntityLivingBase",
                            "motionZ", "D"));
                    var15.add(new MethodInsnNode(Opcodes.INVOKESTATIC,
                            "net/lyonlancer5/mcmp/karasu/asm/KarasuFeatherMetadata", "modifyHorizontalVel",
                            "()D", false));
                    var15.add(new InsnNode(Opcodes.DMUL));
                    var15.add(new FieldInsnNode(Opcodes.PUTFIELD, "net/minecraft/entity/EntityLivingBase",
                            "motionZ", "D"));
                    method.instructions.insertBefore(motionzNode, var15);
                    Constants.LOGGER.info("Patched EntityLivingBase.motionZ");
                }

                if (movefNode != null) {
                    for (var14 = 0; var14 < 14; ++var14) {
                        movefNode = movefNode.getNext();
                        method.instructions.remove(movefNode.getPrevious());
                    }

                    var15 = new InsnList();
                    var15.add(new VarInsnNode(Opcodes.ALOAD, 0));
                    var15.add(new VarInsnNode(Opcodes.FLOAD, 1));
                    var15.add(new VarInsnNode(Opcodes.FLOAD, 2));
                    var15.add(new MethodInsnNode(Opcodes.INVOKESTATIC,
                            "net/lyonlancer5/mcmp/karasu/asm/KarasuFeatherMetadata", "modifyVerticalVel", "()F",
                            false));
                    var15.add(new MethodInsnNode(Opcodes.INVOKEVIRTUAL, "net/minecraft/entity/EntityLivingBase",
                            "moveFlying", "(FFF)V", false));
                    method.instructions.insertBefore(movefNode, var15);
                    Constants.LOGGER.info("Patched method - EntityLivingBase.moveFlying (FFF)V");
                }

                Constants.LOGGER.info("Patch success!");
                return;
            } else if (method.name.equals("func_70612_e")) {
                Constants.LOGGER.info("Found matching method: " + method.name + " " + method.desc + " - (srg)");
                if (motionxNode != null) {
                    for (var14 = 0; var14 < 6; ++var14) {
                        motionxNode = motionxNode.getNext();
                        method.instructions.remove(motionxNode.getPrevious());
                    }

                    Constants.LOGGER.info("Patching EntityLivingBase.field_70159_w");
                    var15 = new InsnList();
                    var15.add(new VarInsnNode(Opcodes.ALOAD, 0));
                    var15.add(new InsnNode(Opcodes.DUP));
                    var15.add(new FieldInsnNode(Opcodes.GETFIELD, "net/minecraft/entity/EntityLivingBase",
                            "field_70159_w", "D"));
                    var15.add(new MethodInsnNode(Opcodes.INVOKESTATIC,
                            "net/lyonlancer5/mcmp/karasu/asm/KarasuFeatherMetadata", "modifyHorizontalVel",
                            "()D", false));
                    var15.add(new InsnNode(Opcodes.DMUL));
                    var15.add(new FieldInsnNode(Opcodes.PUTFIELD, "net/minecraft/entity/EntityLivingBase",
                            "field_70159_w", "D"));
                    method.instructions.insertBefore(motionxNode, var15);
                    Constants.LOGGER.info("Patched EntityLivingBase.field_70159_w");
                }

                if (motionzNode != null) {
                    for (var14 = 0; var14 < 6; ++var14) {
                        motionzNode = motionzNode.getNext();
                        method.instructions.remove(motionzNode.getPrevious());
                    }

                    Constants.LOGGER.info("Patching EntityLivingBase.field_70179_y");
                    var15 = new InsnList();
                    var15.add(new VarInsnNode(Opcodes.ALOAD, 0));
                    var15.add(new InsnNode(Opcodes.DUP));
                    var15.add(new FieldInsnNode(Opcodes.GETFIELD, "net/minecraft/entity/EntityLivingBase",
                            "field_70179_y", "D"));
                    var15.add(new MethodInsnNode(Opcodes.INVOKESTATIC,
                            "net/lyonlancer5/mcmp/karasu/asm/KarasuFeatherMetadata", "modifyHorizontalVel",
                            "()D", false));
                    var15.add(new InsnNode(Opcodes.DMUL));
                    var15.add(new FieldInsnNode(Opcodes.PUTFIELD, "net/minecraft/entity/EntityLivingBase",
                            "field_70179_y", "D"));
                    method.instructions.insertBefore(motionzNode, var15);
                    Constants.LOGGER.info("Patched EntityLivingBase.field_70179_y");
                }

                if (movefNode != null) {
                    for (var14 = 0; var14 < 14; ++var14) {
                        movefNode = movefNode.getNext();
                        method.instructions.remove(movefNode.getPrevious());
                    }

                    var15 = new InsnList();
                    var15.add(new VarInsnNode(Opcodes.ALOAD, 0));
                    var15.add(new VarInsnNode(Opcodes.FLOAD, 1));
                    var15.add(new VarInsnNode(Opcodes.FLOAD, 2));
                    var15.add(new MethodInsnNode(Opcodes.INVOKESTATIC,
                            "net/lyonlancer5/mcmp/karasu/asm/KarasuFeatherMetadata", "modifyVerticalVel", "()F",
                            false));
                    var15.add(new MethodInsnNode(Opcodes.INVOKEVIRTUAL, "net/minecraft/entity/EntityLivingBase",
                            "func_70060_a", "(FFF)V", false));
                    method.instructions.insertBefore(movefNode, var15);
                    Constants.LOGGER.info("Patched method - EntityLivingBase.func_70060_a (FFF)V");
                }

                Constants.LOGGER.info("Patch success!");
                return;
            }
        }
    }
    // #OVERKILL
    throw new RuntimeException("Patch FAILED -- No matching method found");

}

From source file:net.malisis.core.asm.AsmHook.java

License:Open Source License

public AsmHook insert(AbstractInsnNode insert) {
    InsnList list = new InsnList();
    list.add(insert);
    return insert(list);
}

From source file:net.malisis.core.asm.MalisisCoreTransformer.java

License:Open Source License

@SuppressWarnings("deprecation")
public AsmHook userAttackEntityEventHook() {
    McpMethodMapping attackEntity = new McpMethodMapping("attackEntity", "func_78764_a",
            "net.minecraft.client.multiplayer.PlayerControllerMP",
            "(Lnet/minecraft/entity/player/EntityPlayer;Lnet/minecraft/entity/Entity;)V");

    AsmHook ah = new AsmHook(attackEntity);

    LabelNode falseLabel = new LabelNode();
    InsnList insert1 = new InsnList();
    insert1.add(new TypeInsnNode(NEW, "net/malisis/core/event/user/UserAttackEvent"));
    insert1.add(new InsnNode(DUP));
    insert1.add(new VarInsnNode(ALOAD, 1));
    insert1.add(new VarInsnNode(ALOAD, 2));
    insert1.add(new MethodInsnNode(INVOKESPECIAL, "net/malisis/core/event/user/UserAttackEvent", "<init>",
            "(Lnet/minecraft/entity/player/EntityPlayer;Lnet/minecraft/entity/Entity;)V"));
    insert1.add(/*from   ww w .  j av  a 2  s  .  c o  m*/
            new MethodInsnNode(INVOKEVIRTUAL, "net/malisis/core/event/user/UserAttackEvent", "post", "()Z"));
    insert1.add(new JumpInsnNode(IFEQ, falseLabel));
    insert1.add(new InsnNode(RETURN));
    insert1.add(falseLabel);

    ah.insert(insert1);

    return ah;
}

From source file:net.malisis.core.asm.MalisisCoreTransformer.java

License:Open Source License

@SuppressWarnings("deprecation")
public AsmHook keyboardEventHook() {
    McpMethodMapping runTick = new McpMethodMapping("runTick", "func_71407_l", "net.minecraft.client.Minecraft",
            "()V");
    McpMethodMapping setKeyBindState = new McpMethodMapping("setKeyBindState", "func_74510_a",
            "net/minecraft/client/settings/KeyBinding", "(IZ)V");

    AsmHook ah = new AsmHook(runTick);

    LabelNode falseLabel = new LabelNode();
    // if(new KeyboardEvent().post())
    InsnList insert1 = new InsnList();
    insert1.add(new TypeInsnNode(NEW, "net/malisis/core/event/user/KeyboardEvent"));
    insert1.add(new InsnNode(DUP));
    insert1.add(/*  ww  w  . j  a  va2s . c o m*/
            new MethodInsnNode(INVOKESPECIAL, "net/malisis/core/event/user/KeyboardEvent", "<init>", "()V"));
    insert1.add(new MethodInsnNode(INVOKEVIRTUAL, "net/malisis/core/event/user/KeyboardEvent", "post", "()Z"));
    insert1.add(new JumpInsnNode(IFNE, falseLabel));

    // L1844: KeyBinding.setKeyBindState(Keyboard.getEventKey(), Keyboard.getEventKeyState());
    InsnList match1 = new InsnList();
    match1.add(new MethodInsnNode(INVOKESTATIC, "org/lwjgl/input/Keyboard", "getEventKey", "()I"));
    match1.add(new MethodInsnNode(INVOKESTATIC, "org/lwjgl/input/Keyboard", "getEventKeyState", "()Z"));
    match1.add(setKeyBindState.getInsnNode(INVOKESTATIC));

    // L1973: FMLCommonHandler.instance().fireKeyInput()
    InsnList match2 = new InsnList();
    match2.add(new MethodInsnNode(INVOKESTATIC, "cpw/mods/fml/common/FMLCommonHandler", "instance",
            "()Lcpw/mods/fml/common/FMLCommonHandler;"));
    match2.add(
            new MethodInsnNode(INVOKEVIRTUAL, "cpw/mods/fml/common/FMLCommonHandler", "fireKeyInput", "()V"));

    ah.jumpAfter(match1).insert(insert1).jumpAfter(match2).insert(falseLabel);

    return ah;

}

From source file:net.malisis.mdt.asm.MDTTransformer.java

License:Open Source License

private AsmHook autoWorldLoadHook() {
    McpMethodMapping startMethod = new McpMethodMapping("startGame", "func_71384_a",
            "net.minecraft.client.Minecraft", "()V");

    AsmHook ah = new AsmHook(startMethod);

    //NEW AutoWorldLoader
    //INVOKESPECIAL AutoWorldLoader.<init> () : void
    InsnList insert = new InsnList();
    insert.add(new TypeInsnNode(NEW, "net/malisis/mdt/AutoWorldLoader"));
    insert.add(new MethodInsnNode(INVOKESPECIAL, "net/malisis/mdt/AutoWorldLoader", "<init>", "()V"));

    ah.jumpToEnd().jump(-2).insert(insert);

    return ah;/*  www .  j  a va  2 s.  c o  m*/
}

From source file:net.malisis.switches.asm.MalisisSwitchesTransformer.java

License:Open Source License

private AsmHook getRedstonePower() {
    McpMethodMapping getRedstonePower = new McpMethodMapping("getRedstonePower", "func_175651_c",
            "net.minecraft.world.World", "(Lnet/minecraft/util/BlockPos;Lnet/minecraft/util/EnumFacing;)I");

    AsmHook ah = new AsmHook(getRedstonePower);

    //return PowerManager.getRedstonePower(this, pos, side)
    //ALOAD 0// w  ww. ja va  2s.co  m
    //ALOAD 1
    //ALOAD 2
    //INVOKESTATIC net/malisis/switches/PowerManager.getRedstonePower (Lnet/minecraft/world/World;Lnet/minecraft/util/BlockPos;Lnet/minecraft/util/EnumFacing;)I
    //IRETURN
    InsnList insert = new InsnList();
    insert.add(new VarInsnNode(ALOAD, 0));
    insert.add(new VarInsnNode(ALOAD, 1));
    insert.add(new VarInsnNode(ALOAD, 2));
    insert.add(new MethodInsnNode(INVOKESTATIC, "net/malisis/switches/PowerManager", "getRedstonePower",
            "(Lnet/minecraft/world/World;Lnet/minecraft/util/BlockPos;Lnet/minecraft/util/EnumFacing;)I",
            false));
    insert.add(new InsnNode(IRETURN));

    ah.insert(insert);
    return ah;
}

From source file:net.sandius.rembulan.compiler.gen.asm.BytecodeEmitVisitor.java

License:Apache License

private RunMethod.ConstFieldInstance newConstFieldInstance(final Object constValue, int idx) {
    Objects.requireNonNull(constValue);

    String fieldName = "_k_" + idx;

    final Type t;
    if (constValue instanceof Double || constValue instanceof Long) {
        t = Type.getType(constValue.getClass());
        return new RunMethod.ConstFieldInstance(constValue, fieldName, context.thisClassType(), t) {
            @Override//from w w w .j a  va  2  s  .  co  m
            public void doInstantiate(InsnList il) {
                il.add(BoxedPrimitivesMethods.loadBoxedConstant(constValue));
            }
        };
    } else if (constValue instanceof ByteString) {
        t = Type.getType(constValue.getClass());
        return new RunMethod.ConstFieldInstance(constValue, fieldName, context.thisClassType(),
                Type.getType(ByteString.class)) {
            @Override
            public void doInstantiate(InsnList il) {
                il.add(newByteString((ByteString) constValue));
            }
        };
    } else {
        throw new UnsupportedOperationException("Illegal constant: " + constValue);
    }

}

From source file:net.sandius.rembulan.compiler.gen.asm.BytecodeEmitVisitor.java

License:Apache License

private static InsnList newByteString(ByteString value) {
    InsnList il = new InsnList();
    il.add(new LdcInsnNode(value.toRawString()));
    il.add(new MethodInsnNode(INVOKESTATIC, Type.getInternalName(ByteString.class), "fromRaw",
            Type.getMethodDescriptor(Type.getType(ByteString.class), Type.getType(String.class)), false));
    return il;//from   www.  j av a 2  s .  co m
}

From source file:net.sandius.rembulan.compiler.gen.asm.BytecodeEmitVisitor.java

License:Apache License

public InsnList retrieve_0() {
    InsnList il = new InsnList();

    il.add(loadExecutionContext());
    il.add(loadReturnBuffer());//from   w w w. j a v  a 2  s .co  m
    il.add(ReturnBufferMethods.get(0));

    return il;
}

From source file:net.sandius.rembulan.compiler.gen.asm.BytecodeEmitVisitor.java

License:Apache License

public InsnList loadUpvalueRef(UpVar uv) {
    InsnList il = new InsnList();

    il.add(new VarInsnNode(ALOAD, 0));
    il.add(new FieldInsnNode(GETFIELD, context.thisClassType().getInternalName(),
            context.getUpvalueFieldName(uv), Type.getDescriptor(Variable.class)));

    return il;/*from   www  . j  av  a  2  s.c o m*/
}