blob: d425987dee8ba12132b706c53c0354e21496e3df (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
package ftbsc.bscv.patches;
import ftbsc.bscv.ICommons;
import ftbsc.lll.processor.annotations.Find;
import ftbsc.lll.processor.annotations.Injector;
import ftbsc.lll.processor.annotations.Patch;
import ftbsc.lll.processor.annotations.Target;
import ftbsc.lll.proxies.impl.MethodProxy;
import ftbsc.lll.tools.InsnSequence;
import ftbsc.lll.tools.nodes.MethodProxyInsnNode;
import net.minecraft.entity.Entity;
import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.eventbus.api.Cancelable;
import net.minecraftforge.eventbus.api.Event;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.tree.*;
public class EntityPushPatch implements ICommons {
@Cancelable
public static class PlayerEntityPushEvent extends Event {}
public static boolean shouldCancelEntityCollisions(Entity e) {
if (e.equals(MC.player)) {
return MinecraftForge.EVENT_BUS.post(new PlayerEntityPushEvent());
}
return false;
}
@Patch(Entity.class)
public abstract static class EntityCollisionsOverride implements Opcodes {
@Find(EntityPushPatch.class)
MethodProxy shouldCancelEntityCollisions;
@Target(of = "shouldCancelEntityCollisions")
abstract boolean shouldCancelEntityCollisions(Entity e);
@Target(of = "injectEntityCollisionHook")
abstract void push(double x, double y, double z);
@Injector(reason = "add hook to cancel entity collisions")
public void injectEntityCollisionHook(ClassNode clazz, MethodNode main) {
LabelNode skip = new LabelNode();
InsnSequence is = new InsnSequence();
is.add(new VarInsnNode(ALOAD, 0));
is.add(new MethodProxyInsnNode(INVOKESTATIC, shouldCancelEntityCollisions));
is.add(new JumpInsnNode(IFEQ, skip));
is.add(new InsnNode(RETURN));
is.add(skip);
main.instructions.insert(is); // hook at top
}
}
}
|