seppuku/src/main/java/me/rigamortis/seppuku/impl/patch/GuiChatPatch.java

44 lines
1.5 KiB
Java

package me.rigamortis.seppuku.impl.patch;
import me.rigamortis.seppuku.Seppuku;
import me.rigamortis.seppuku.api.event.player.EventChatKeyTyped;
import me.rigamortis.seppuku.api.patch.ClassPatch;
import me.rigamortis.seppuku.api.patch.MethodPatch;
import me.rigamortis.seppuku.impl.management.PatchManager;
import org.objectweb.asm.Type;
import org.objectweb.asm.tree.*;
import static org.objectweb.asm.Opcodes.*;
/**
* Author Seth
* 12/23/2019 @ 4:29 AM.
*/
public final class GuiChatPatch extends ClassPatch {
public GuiChatPatch() {
super("net.minecraft.client.gui.GuiChat", "bkn");
}
@MethodPatch(
mcpName = "keyTyped",
notchName = "a",
mcpDesc = "(CI)V")
public void keyTyped(MethodNode methodNode, PatchManager.Environment env) {
final InsnList insnList = new InsnList();
insnList.add(new VarInsnNode(ILOAD, 1));
insnList.add(new VarInsnNode(ILOAD, 2));
insnList.add(new MethodInsnNode(INVOKESTATIC, Type.getInternalName(this.getClass()), "keyTypedHook", "(CI)Z", false));
final LabelNode jmp = new LabelNode();
insnList.add(new JumpInsnNode(IFEQ, jmp));
insnList.add(new InsnNode(RETURN));
insnList.add(jmp);
methodNode.instructions.insert(insnList);
}
public static boolean keyTypedHook(char typedChar, int keyCode) {
final EventChatKeyTyped event = new EventChatKeyTyped(typedChar, keyCode);
Seppuku.INSTANCE.getEventManager().dispatchEvent(event);
return event.isCanceled();
}
}