From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Telesphoreo <me@telesphoreo.me>
Date: Sun, 11 Jun 2023 00:00:20 -0500
Subject: [PATCH] Implement command block events


diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 2e6e1af5244202e0bc77b443f089b4f3016be8ac..f1f17e33cddf23fffae96d60bfd92934b6ab3c5a 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -25,6 +25,8 @@ import java.util.stream.Collectors;
 import java.util.stream.Stream;
 import javax.annotation.Nullable;
 
+import me.totalfreedom.scissors.event.block.CommandBlockPlayerEditEvent;
+import me.totalfreedom.scissors.event.block.CommandMinecartPlayerEditEvent;
 import net.kyori.adventure.text.format.NamedTextColor;
 import net.minecraft.ChatFormatting;
 import net.minecraft.CrashReport;
@@ -156,6 +158,7 @@ import net.minecraft.world.phys.shapes.BooleanOp;
 import net.minecraft.world.phys.shapes.Shapes;
 import net.minecraft.world.phys.shapes.VoxelShape;
 import org.apache.commons.lang3.StringUtils;
+import org.bukkit.entity.minecart.CommandMinecart;
 import org.slf4j.Logger;
 
 // CraftBukkit start
@@ -916,6 +919,19 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
                     this.player.level.getChunkAt(blockposition).setBlockEntity(tileentity);
                 }
 
+                // Scissors start - Implement command block events
+                if (commandblocklistenerabstract instanceof org.bukkit.block.CommandBlock commandBlock) {
+                    CommandBlockPlayerEditEvent event = new CommandBlockPlayerEditEvent(this.getCraftPlayer(), Objects.requireNonNullElse(commandblocklistenerabstract.getCommand(), ""), s, commandBlock);
+                    event.callEvent();
+
+                    if (event.isCancelled()) {
+                        return;
+                    }
+
+                    s = event.getNewCommand();
+                }
+                // Scissors end
+
                 commandblocklistenerabstract.setCommand(s);
                 commandblocklistenerabstract.setTrackOutput(flag);
                 if (!flag) {
@@ -947,7 +963,25 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
             BaseCommandBlock commandblocklistenerabstract = packet.getCommandBlock(this.player.level);
 
             if (commandblocklistenerabstract != null) {
-                commandblocklistenerabstract.setCommand(packet.getCommand());
+                // Scissors start - Implement command block events
+                String command = packet.getCommand();
+
+                if (commandblocklistenerabstract instanceof CommandMinecart commandMinecart) {
+                    CommandMinecartPlayerEditEvent event = new CommandMinecartPlayerEditEvent(this.getCraftPlayer(), Objects.requireNonNullElse(commandblocklistenerabstract.getCommand(), ""), command, commandMinecart);
+                    event.callEvent();
+
+                    if (event.isCancelled()) {
+                        return;
+                    }
+
+                    command = event.getNewCommand();
+                }
+
+                commandblocklistenerabstract.setCommand(command);
+
+                // commandblocklistenerabstract.setCommand(packet.getCommand());
+
+                // Scissors end
                 commandblocklistenerabstract.setTrackOutput(packet.isTrackOutput());
                 if (!packet.isTrackOutput()) {
                     commandblocklistenerabstract.setLastOutput((Component) null);