Implement command block events (1.17.1) (#89)

* Implement command block events

* Add missing getHandlerList() method
This commit is contained in:
Justin A.L. Link 2023-06-04 22:58:17 +01:00 committed by GitHub
parent 43213a0e43
commit 2073436f76
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2 changed files with 259 additions and 0 deletions

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@ -0,0 +1,173 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Allink <arclicious@vivaldi.net>
Date: Fri, 2 Jun 2023 23:40:13 +0100
Subject: [PATCH] Add command block player edit event
diff --git a/src/main/java/com/github/atlasmediagroup/scissors/event/block/CommandBlockPlayerEditEvent.java b/src/main/java/com/github/atlasmediagroup/scissors/event/block/CommandBlockPlayerEditEvent.java
new file mode 100644
index 0000000000000000000000000000000000000000..983dd3b25800d5f1fcc61415051bf7c28d0147bd
--- /dev/null
+++ b/src/main/java/com/github/atlasmediagroup/scissors/event/block/CommandBlockPlayerEditEvent.java
@@ -0,0 +1,77 @@
+package com.github.atlasmediagroup.scissors.event.block;
+
+import org.bukkit.block.CommandBlock;
+import org.bukkit.entity.Player;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Called when a command block is modified by a player
+ */
+public class CommandBlockPlayerEditEvent extends Event implements Cancellable
+{
+ private static final HandlerList handlers = new HandlerList();
+ private boolean cancelled;
+ private final Player player;
+ private final String oldCommand;
+ private String newCommand;
+ private final CommandBlock commandBlock;
+
+ public CommandBlockPlayerEditEvent(@NotNull Player player, @NotNull String oldCommand, @NotNull String newCommand, @NotNull CommandBlock commandBlock)
+ {
+ this.player = player;
+ this.oldCommand = oldCommand;
+ this.newCommand = newCommand;
+ this.commandBlock = commandBlock;
+ }
+
+ public @NotNull String getNewCommand()
+ {
+ return this.newCommand;
+ }
+
+ public @NotNull String getOldCommand()
+ {
+ return this.oldCommand;
+ }
+
+ public void setNewCommand(@NotNull String newCommand)
+ {
+ this.newCommand = newCommand;
+ }
+
+ public @NotNull Player getPlayer()
+ {
+ return this.player;
+ }
+
+ public @NotNull CommandBlock getCommandBlock()
+ {
+ return this.commandBlock;
+ }
+
+ @Override
+ public boolean isCancelled()
+ {
+ return this.cancelled;
+ }
+
+ @Override
+ public void setCancelled(boolean cancel)
+ {
+ this.cancelled = cancel;
+ }
+
+ @Override
+ public @NotNull HandlerList getHandlers()
+ {
+ return handlers;
+ }
+
+ public static @NotNull HandlerList getHandlerList()
+ {
+ return handlers;
+ }
+}
diff --git a/src/main/java/com/github/atlasmediagroup/scissors/event/block/CommandMinecartPlayerEditEvent.java b/src/main/java/com/github/atlasmediagroup/scissors/event/block/CommandMinecartPlayerEditEvent.java
new file mode 100644
index 0000000000000000000000000000000000000000..2ecaad3d67d3a028a50e998d791de3a829197117
--- /dev/null
+++ b/src/main/java/com/github/atlasmediagroup/scissors/event/block/CommandMinecartPlayerEditEvent.java
@@ -0,0 +1,78 @@
+package com.github.atlasmediagroup.scissors.event.block;
+
+import org.bukkit.block.CommandBlock;
+import org.bukkit.entity.Player;
+import org.bukkit.entity.minecart.CommandMinecart;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Called when a command block is modified by a player
+ */
+public class CommandMinecartPlayerEditEvent extends Event implements Cancellable
+{
+ private static final HandlerList handlers = new HandlerList();
+ private boolean cancelled;
+ private final Player player;
+ private final String oldCommand;
+ private String newCommand;
+ private final CommandMinecart commandMinecart;
+
+ public CommandMinecartPlayerEditEvent(@NotNull Player player, @NotNull String oldCommand, @NotNull String newCommand, @NotNull CommandMinecart commandMinecart)
+ {
+ this.player = player;
+ this.oldCommand = oldCommand;
+ this.newCommand = newCommand;
+ this.commandMinecart = commandMinecart;
+ }
+
+ public @NotNull String getNewCommand()
+ {
+ return this.newCommand;
+ }
+
+ public @NotNull String getOldCommand()
+ {
+ return this.oldCommand;
+ }
+
+ public void setNewCommand(@NotNull String newCommand)
+ {
+ this.newCommand = newCommand;
+ }
+
+ public @NotNull Player getPlayer()
+ {
+ return this.player;
+ }
+
+ public @NotNull CommandMinecart getCommandMinecart()
+ {
+ return this.commandMinecart;
+ }
+
+ @Override
+ public boolean isCancelled()
+ {
+ return this.cancelled;
+ }
+
+ @Override
+ public void setCancelled(boolean cancel)
+ {
+ this.cancelled = cancel;
+ }
+
+ @Override
+ public @NotNull HandlerList getHandlers()
+ {
+ return handlers;
+ }
+
+ public static @NotNull HandlerList getHandlerList()
+ {
+ return handlers;
+ }
+}

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@ -0,0 +1,86 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Allink <arclicious@vivaldi.net>
Date: Fri, 2 Jun 2023 23:42:46 +0100
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 8ec188a09dd1d5150a25fdf18f49deac1593fb4d..0eb54b2b36df7870724e33d75d1d3f6d5492ffab 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 com.github.atlasmediagroup.scissors.ScissorsConfig;
+import com.github.atlasmediagroup.scissors.event.block.CommandBlockPlayerEditEvent;
+import com.github.atlasmediagroup.scissors.event.block.CommandMinecartPlayerEditEvent;
import com.github.atlasmediagroup.scissors.event.player.SpectatorTeleportEvent;
import com.google.common.collect.Lists;
import com.google.common.primitives.Floats;
@@ -134,6 +136,7 @@ import net.minecraft.world.entity.player.ChatVisiblity;
import net.minecraft.world.entity.player.Inventory;
import net.minecraft.world.entity.projectile.AbstractArrow;
import net.minecraft.world.entity.vehicle.Boat;
+import net.minecraft.world.entity.vehicle.MinecartCommandBlock;
import net.minecraft.world.item.BlockItem;
import net.minecraft.world.item.BucketItem;
import net.minecraft.world.item.Item;
@@ -186,6 +189,7 @@ import org.bukkit.craftbukkit.util.CraftMagicNumbers;
import org.bukkit.craftbukkit.util.LazyPlayerSet;
import org.bukkit.craftbukkit.util.Waitable;
import org.bukkit.entity.Player;
+import org.bukkit.entity.minecart.CommandMinecart;
import org.bukkit.event.Event;
import org.bukkit.event.block.Action;
import org.bukkit.event.block.SignChangeEvent;
@@ -902,6 +906,21 @@ 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) {
@@ -933,7 +952,27 @@ 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);