Added WorldGameRuleChangeEvent

Spigot-API-Patches/0252-Added-WorldGameRuleChangeEvent.patch

@@ -0,0 +1,103 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Jake Potrebic <jake.m.potrebic@gmail.com>
+Date: Sun, 20 Dec 2020 16:41:44 -0800
+Subject: [PATCH] Added WorldGameRuleChangeEvent
+
+
+diff --git a/src/main/java/io/papermc/paper/event/world/WorldGameRuleChangeEvent.java b/src/main/java/io/papermc/paper/event/world/WorldGameRuleChangeEvent.java
+new file mode 100644
+index 0000000000000000000000000000000000000000..20c25a0f9d65188402e8bb3981348bc6462904bf
+--- /dev/null
++++ b/src/main/java/io/papermc/paper/event/world/WorldGameRuleChangeEvent.java
+@@ -0,0 +1,91 @@
++package io.papermc.paper.event.world;
++
++import org.bukkit.GameRule;
++import org.bukkit.World;
++import org.bukkit.command.CommandSender;
++import org.bukkit.entity.Player;
++import org.bukkit.event.Cancellable;
++import org.bukkit.event.HandlerList;
++import org.bukkit.event.world.WorldEvent;
++import org.jetbrains.annotations.NotNull;
++import org.jetbrains.annotations.Nullable;
++
++/**
++ * Called when a world's gamerule is changed, either by command or by api.
++ */
++public class WorldGameRuleChangeEvent extends WorldEvent implements Cancellable {
++
++    private static final HandlerList HANDLER_LIST = new HandlerList();
++
++    private final CommandSender commandSender;
++    private final GameRule<?> gameRule;
++    private String value;
++    private boolean cancelled;
++
++    public WorldGameRuleChangeEvent(@NotNull World world, @Nullable CommandSender commandSender, @NotNull GameRule<?> gameRule, @NotNull String value) {
++        super(world);
++        this.commandSender = commandSender;
++        this.gameRule = gameRule;
++        this.value = value;
++    }
++
++    /**
++     * Gets the command sender associated with this event.
++     *
++     * @return {@code null} if the gamerule was changed via api, otherwise the {@link CommandSender}.
++     */
++    @Nullable
++    public CommandSender getCommandSender() {
++        return commandSender;
++    }
++
++    /**
++     * Gets the game rule associated with this event.
++     *
++     * @return the gamerule being changed.
++     */
++    @NotNull
++    public GameRule<?> getGameRule() {
++        return gameRule;
++    }
++
++    /**
++     * Gets the new value of the gamerule.
++     *
++     * @return the new value of the gamerule.
++     */
++    @NotNull
++    public String getValue() {
++        return value;
++    }
++
++    /**
++     * Sets the new value of this gamerule.
++     *
++     * @param value the new value of the gamerule.
++     */
++    public void setValue(@NotNull String value) {
++        this.value = value;
++    }
++
++    @Override
++    public boolean isCancelled() {
++        return cancelled;
++    }
++
++    @Override
++    public void setCancelled(boolean cancel) {
++        this.cancelled = cancel;
++    }
++
++    @NotNull
++    @Override
++    public HandlerList getHandlers() {
++        return HANDLER_LIST;
++    }
++
++    @NotNull
++    public static HandlerList getHandlerList() {
++        return HANDLER_LIST;
++    }
++}

Spigot-Server-Patches/0638-Added-WorldGameRuleChangeEvent.patch

@@ -0,0 +1,108 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Jake Potrebic <jake.m.potrebic@gmail.com>
+Date: Sun, 20 Dec 2020 16:41:44 -0800
+Subject: [PATCH] Added WorldGameRuleChangeEvent
+
+
+diff --git a/src/main/java/net/minecraft/server/CommandGamerule.java b/src/main/java/net/minecraft/server/CommandGamerule.java
+index 1ae60aae1d2017226c1f3ea39148d24aaf40cdde..f8ce9be8527111786c233c98e45f6d8fe183c70e 100644
+--- a/src/main/java/net/minecraft/server/CommandGamerule.java
++++ b/src/main/java/net/minecraft/server/CommandGamerule.java
+@@ -27,7 +27,7 @@ public class CommandGamerule {
+         CommandListenerWrapper commandlistenerwrapper = (CommandListenerWrapper) commandcontext.getSource();
+         T t0 = commandlistenerwrapper.getWorld().getGameRules().get(gamerules_gamerulekey); // CraftBukkit
+ 
+-        t0.b(commandcontext, "value");
++        t0.setValue(commandcontext, "value", gamerules_gamerulekey); // Paper
+         commandlistenerwrapper.sendMessage(new ChatMessage("commands.gamerule.set", new Object[]{gamerules_gamerulekey.a(), t0.toString()}), true);
+         return t0.getIntValue();
+     }
+diff --git a/src/main/java/net/minecraft/server/GameRules.java b/src/main/java/net/minecraft/server/GameRules.java
+index b245428604e2a432fa3bab4836a5ca1fb35c3f64..53b40f8947c9380ef57ecc7edca203c5bc894013 100644
+--- a/src/main/java/net/minecraft/server/GameRules.java
++++ b/src/main/java/net/minecraft/server/GameRules.java
+@@ -18,6 +18,7 @@ import java.util.function.Supplier;
+ import javax.annotation.Nullable;
+ import org.apache.logging.log4j.LogManager;
+ import org.apache.logging.log4j.Logger;
++import io.papermc.paper.event.world.WorldGameRuleChangeEvent; // Paper
+ 
+ public class GameRules {
+ 
+@@ -170,8 +171,11 @@ public class GameRules {
+         }
+ 
+         @Override
+-        protected void a(CommandContext<CommandListenerWrapper> commandcontext, String s) {
+-            this.b = BoolArgumentType.getBool(commandcontext, s);
++        protected void a(CommandContext<CommandListenerWrapper> commandcontext, String s, GameRules.GameRuleKey<GameRuleBoolean> gameRuleKey) { // Paper start
++            WorldGameRuleChangeEvent event = new WorldGameRuleChangeEvent(commandcontext.getSource().getBukkitWorld(), commandcontext.getSource().getBukkitSender(), (org.bukkit.GameRule<Boolean>) org.bukkit.GameRule.getByName(gameRuleKey.toString()), String.valueOf(BoolArgumentType.getBool(commandcontext, s)));
++            if (!event.callEvent()) return;
++            this.b = Boolean.parseBoolean(event.getValue());
++            // Paper end
+         }
+ 
+         public boolean a() {
+@@ -230,8 +234,11 @@ public class GameRules {
+         }
+ 
+         @Override
+-        protected void a(CommandContext<CommandListenerWrapper> commandcontext, String s) {
+-            this.b = IntegerArgumentType.getInteger(commandcontext, s);
++        protected void a(CommandContext<CommandListenerWrapper> commandcontext, String s, GameRules.GameRuleKey<GameRuleInt> gameRuleKey) { // Paper start
++            WorldGameRuleChangeEvent event = new WorldGameRuleChangeEvent(commandcontext.getSource().getBukkitWorld(), commandcontext.getSource().getBukkitSender(), (org.bukkit.GameRule<Integer>) org.bukkit.GameRule.getByName(gameRuleKey.toString()), String.valueOf(IntegerArgumentType.getInteger(commandcontext, s)));
++            if (!event.callEvent()) return;
++            this.b = Integer.parseInt(event.getValue());
++            // Paper end
+         }
+ 
+         public int a() {
+@@ -284,10 +291,12 @@ public class GameRules {
+             this.a = gamerules_gameruledefinition;
+         }
+ 
+-        protected abstract void a(CommandContext<CommandListenerWrapper> commandcontext, String s);
++        protected void updateValue(CommandContext<CommandListenerWrapper> commandcontext, String s, GameRules.GameRuleKey<T> gameRuleKey) { this.a(commandcontext, s, gameRuleKey); } // Paper - OBFHELPER
++        protected abstract void a(CommandContext<CommandListenerWrapper> commandcontext, String s, GameRules.GameRuleKey<T> gameRuleKey); // Paper
+ 
+-        public void b(CommandContext<CommandListenerWrapper> commandcontext, String s) {
+-            this.a(commandcontext, s);
++        public void setValue(CommandContext<CommandListenerWrapper> commandcontext, String s, GameRules.GameRuleKey<T> gameRuleKey) { this.b(commandcontext, s, gameRuleKey); } // Paper - OBFHELPER
++        public void b(CommandContext<CommandListenerWrapper> commandcontext, String s, GameRules.GameRuleKey<T> gameRuleKey) { // Paper
++            this.updateValue(commandcontext, s, gameRuleKey); // Paper
+             this.onChange(((CommandListenerWrapper) commandcontext.getSource()).getServer());
+         }
+ 
+diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+index b71316cce3bdbf3485be456f0260c6b3463cff8e..0314cb1270803265dc4bf4268697b09aabf2c612 100644
+--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
++++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+@@ -2345,8 +2345,13 @@ public class CraftWorld implements World {
+ 
+         if (!isGameRule(rule)) return false;
+ 
++        // Paper start
++        GameRule<?> gameRule = GameRule.getByName(rule);
++        io.papermc.paper.event.world.WorldGameRuleChangeEvent event = new io.papermc.paper.event.world.WorldGameRuleChangeEvent(this, null, gameRule, value);
++        if (!event.callEvent()) return false;
++        // Paper end
+         GameRules.GameRuleValue<?> handle = getHandle().getGameRules().get(getGameRulesNMS().get(rule));
+-        handle.setValue(value);
++        handle.setValue(event.getValue().toString()); // Paper
+         handle.onChange(getHandle().getMinecraftServer());
+         return true;
+     }
+@@ -2381,8 +2386,12 @@ public class CraftWorld implements World {
+ 
+         if (!isGameRule(rule.getName())) return false;
+ 
++        // Paper start
++        io.papermc.paper.event.world.WorldGameRuleChangeEvent event = new io.papermc.paper.event.world.WorldGameRuleChangeEvent(this, null, rule, String.valueOf(newValue));
++        if (!event.callEvent()) return false;
++        // Paper end
+         GameRules.GameRuleValue<?> handle = getHandle().getGameRules().get(getGameRulesNMS().get(rule.getName()));
+-        handle.setValue(newValue.toString());
++        handle.setValue(event.getValue().toString()); // Paper
+         handle.onChange(getHandle().getMinecraftServer());
+         return true;
+     }