Scissors/patches/server/0044-Implement-command-block-events.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Allink <arclicious@vivaldi.net>
Date: Fri, 2 Jun 2023 20:55:18 +0100
Subject: [PATCH] Implement command block events


diff --git a/src/main/java/net/minecraft/network/protocol/game/ServerboundSetCommandMinecartPacket.java b/src/main/java/net/minecraft/network/protocol/game/ServerboundSetCommandMinecartPacket.java
index c99fc118013cb3d4043638e2001a8297e79ddf9c..cdaa81e1f2167b29ec01cc25e51a8400deb533d2 100644
--- a/src/main/java/net/minecraft/network/protocol/game/ServerboundSetCommandMinecartPacket.java
+++ b/src/main/java/net/minecraft/network/protocol/game/ServerboundSetCommandMinecartPacket.java
@@ -9,7 +9,7 @@ import net.minecraft.world.level.BaseCommandBlock;
 import net.minecraft.world.level.Level;
 
 public class ServerboundSetCommandMinecartPacket implements Packet<ServerGamePacketListener> {
-    private final int entity;
+    public final int entity; // Scissors - private -> public
     private final String command;
     private final boolean trackOutput;
 
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 2cda6420dfd24dc452bc2a2d27b5893fa832250a..28af6c160120d0952928e312314d8f847f659207 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -1,6 +1,8 @@
 package net.minecraft.server.network;
 
 import me.totalfreedom.scissors.ScissorsConfig; // Scissors
+import me.totalfreedom.scissors.event.block.CommandBlockPlayerEditEvent; // Scissors
+import me.totalfreedom.scissors.event.block.CommandMinecartPlayerEditEvent; // Scissors
 import me.totalfreedom.scissors.event.player.SpectatorTeleportEvent; // Scissors
 import com.google.common.collect.Lists;
 import com.google.common.primitives.Floats;
@@ -159,6 +161,7 @@ import net.minecraft.world.entity.player.Inventory;
 import net.minecraft.world.entity.player.ProfilePublicKey;
 import net.minecraft.world.entity.projectile.AbstractArrow;
 import net.minecraft.world.entity.vehicle.Boat;
+import net.minecraft.world.entity.vehicle.MinecartCommandBlock; // Scissors
 import net.minecraft.world.item.BlockItem;
 import net.minecraft.world.item.BucketItem;
 import net.minecraft.world.item.Item;
@@ -187,6 +190,8 @@ import net.minecraft.world.phys.Vec3;
 import net.minecraft.world.phys.shapes.BooleanOp;
 import net.minecraft.world.phys.shapes.Shapes;
 import net.minecraft.world.phys.shapes.VoxelShape;
+import org.bukkit.craftbukkit.block.CraftCommandBlock; // Scissors
+import org.bukkit.craftbukkit.entity.CraftMinecartCommand; // Scissors
 import org.slf4j.Logger;
 
 // CraftBukkit start
@@ -1024,6 +1029,16 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
                     this.player.level().getChunkAt(blockposition).setBlockEntity(tileentity);
                 }
 
+                // Scissors start
+                CommandBlockPlayerEditEvent event = new CommandBlockPlayerEditEvent(this.getCraftPlayer(), commandblocklistenerabstract.getCommand(), s, new CraftCommandBlock(this.player.level().getWorld(), tileentitycommand));
+
+                if (!event.callEvent()) {
+                    return;
+                }
+
+                s = event.getNewCommand();
+                // Scissors end
+
                 commandblocklistenerabstract.setCommand(s);
                 commandblocklistenerabstract.setTrackOutput(flag);
                 if (!flag) {
@@ -1055,7 +1070,18 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
             BaseCommandBlock commandblocklistenerabstract = packet.getCommandBlock(this.player.level());
 
             if (commandblocklistenerabstract != null) {
-                commandblocklistenerabstract.setCommand(packet.getCommand());
+                // Scissors start - Implement command block events
+                String command = packet.getCommand();
+                CommandMinecartPlayerEditEvent event = new CommandMinecartPlayerEditEvent(this.getCraftPlayer(), commandblocklistenerabstract.getCommand(), command, new CraftMinecartCommand(this.cserver, (MinecartCommandBlock) this.player.level().getEntity(packet.entity)));
+
+                if (!event.callEvent()) {
+                    return;
+                }
+
+                command = event.getNewCommand();
+                commandblocklistenerabstract.setCommand(command);
+
+                // Scissors end
                 commandblocklistenerabstract.setTrackOutput(packet.isTrackOutput());
                 if (!packet.isTrackOutput()) {
                     commandblocklistenerabstract.setLastOutput((Component) null);