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Paper/patches/server/0546-Expand-PlayerGameModeChangeEvent.patch
Jake Potrebic 3e90a19183
Updated Upstream (Bukkit/CraftBukkit) 
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
304e83eb PR-1002: Improve documentation and implementation of getMaxStackSize
e8215ea2 SPIGOT-7638: Library loader does not seem to resolve every dependency
79c595c0 SPIGOT-7637: Bad logic in checking nullability of AttributeModifier slots

CraftBukkit Changes:
91b1fc3f1 SPIGOT-7644: Fix ItemMeta#getAsString
4e77a81e1 SPIGOT-7615: PlayerLeashEntityEvent cancelled eats lead
996f660f3 Do not remove leash knot if leasing to an existing leash knot gets cancelled
f70367d42 SPIGOT-7643: Fix inverted leash event cancelled usage and remove leash knot if no entity gets leashed
7ddb48294 SPIGOT-7640: Abnormal jumping height of wind charge
080c8711e SPIGOT-7639: Incoming plugin channels not working
ad549847e Open a direct connection instead of pinging mojang server to check if it is reachable
38e2926c5 SPIGOT-7365: DamageCause blocked by shield should trigger invulnerableTime
2024-04-27 18:00:01 -07:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Sat, 15 May 2021 10:04:43 -0700
Subject: [PATCH] Expand PlayerGameModeChangeEvent
diff --git a/src/main/java/net/minecraft/server/commands/DefaultGameModeCommands.java b/src/main/java/net/minecraft/server/commands/DefaultGameModeCommands.java
index b95a979f8f58f43e0becedcd843ff8bb992eb455..a046a0b1519806ff3d987e6402f152b60a3a6f4c 100644
--- a/src/main/java/net/minecraft/server/commands/DefaultGameModeCommands.java
+++ b/src/main/java/net/minecraft/server/commands/DefaultGameModeCommands.java
@@ -28,9 +28,13 @@ public class DefaultGameModeCommands {
GameType gameType = minecraftServer.getForcedGameType();
if (gameType != null) {
for (ServerPlayer serverPlayer : minecraftServer.getPlayerList().getPlayers()) {
- if (serverPlayer.setGameMode(gameType)) {
- i++;
+ // Paper start - Expand PlayerGameModeChangeEvent
+ org.bukkit.event.player.PlayerGameModeChangeEvent event = serverPlayer.setGameMode(gameType, org.bukkit.event.player.PlayerGameModeChangeEvent.Cause.DEFAULT_GAMEMODE, net.kyori.adventure.text.Component.empty());
+ if (event != null && event.isCancelled()) {
+ source.sendSuccess(() -> io.papermc.paper.adventure.PaperAdventure.asVanilla(event.cancelMessage()), false);
}
+ // Paper end - Expand PlayerGameModeChangeEvent
+ i++;
}
}
diff --git a/src/main/java/net/minecraft/server/commands/GameModeCommand.java b/src/main/java/net/minecraft/server/commands/GameModeCommand.java
index 7f09119bc7d661e08a960dd2bd46006efe752d3e..d1da3600dc07107309b20ebe6e7c0c4da0e8de76 100644
--- a/src/main/java/net/minecraft/server/commands/GameModeCommand.java
+++ b/src/main/java/net/minecraft/server/commands/GameModeCommand.java
@@ -60,9 +60,14 @@ public class GameModeCommand {
int i = 0;
for (ServerPlayer serverPlayer : targets) {
- if (serverPlayer.setGameMode(gameMode)) {
+ // Paper start - Expand PlayerGameModeChangeEvent
+ org.bukkit.event.player.PlayerGameModeChangeEvent event = serverPlayer.setGameMode(gameMode, org.bukkit.event.player.PlayerGameModeChangeEvent.Cause.COMMAND, net.kyori.adventure.text.Component.empty());
+ if (event != null && !event.isCancelled()) {
logGamemodeChange(context.getSource(), serverPlayer, gameMode);
i++;
+ } else if (event != null && event.cancelMessage() != null) {
+ context.getSource().sendSuccess(() -> io.papermc.paper.adventure.PaperAdventure.asVanilla(event.cancelMessage()), true);
+ // Paper end - Expand PlayerGameModeChangeEvent
}
}
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index 7eab41ac49707a52adcfd6fb3c3d70cff3a4ad1b..ef24112c5360ec329dc8a89546f64bad68d7fd8e 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -2034,8 +2034,16 @@ public class ServerPlayer extends Player {
}
public boolean setGameMode(GameType gameMode) {
- if (!this.gameMode.changeGameModeForPlayer(gameMode)) {
- return false;
+ // Paper start - Expand PlayerGameModeChangeEvent
+ org.bukkit.event.player.PlayerGameModeChangeEvent event = this.setGameMode(gameMode, org.bukkit.event.player.PlayerGameModeChangeEvent.Cause.UNKNOWN, null);
+ return event == null ? false : event.isCancelled();
+ }
+ @Nullable
+ public org.bukkit.event.player.PlayerGameModeChangeEvent setGameMode(GameType gameMode, org.bukkit.event.player.PlayerGameModeChangeEvent.Cause cause, @Nullable net.kyori.adventure.text.Component message) {
+ org.bukkit.event.player.PlayerGameModeChangeEvent event = this.gameMode.changeGameModeForPlayer(gameMode, cause, message);
+ if (event == null || event.isCancelled()) {
+ return null;
+ // Paper end - Expand PlayerGameModeChangeEvent
} else {
this.connection.send(new ClientboundGameEventPacket(ClientboundGameEventPacket.CHANGE_GAME_MODE, (float) gameMode.getId()));
if (gameMode == GameType.SPECTATOR) {
@@ -2047,7 +2055,7 @@ public class ServerPlayer extends Player {
this.onUpdateAbilities();
this.updateEffectVisibility();
- return true;
+ return event; // Paper - Expand PlayerGameModeChangeEvent
}
}
@@ -2457,6 +2465,16 @@ public class ServerPlayer extends Player {
}
public void loadGameTypes(@Nullable CompoundTag nbt) {
+ // Paper start - Expand PlayerGameModeChangeEvent
+ if (this.server.getForcedGameType() != null && this.server.getForcedGameType() != ServerPlayer.readPlayerMode(nbt, "playerGameType")) {
+ if (new org.bukkit.event.player.PlayerGameModeChangeEvent(this.getBukkitEntity(), org.bukkit.GameMode.getByValue(this.server.getDefaultGameType().getId()), org.bukkit.event.player.PlayerGameModeChangeEvent.Cause.DEFAULT_GAMEMODE, null).callEvent()) {
+ this.gameMode.setGameModeForPlayer(this.server.getForcedGameType(), GameType.DEFAULT_MODE);
+ } else {
+ this.gameMode.setGameModeForPlayer(ServerPlayer.readPlayerMode(nbt,"playerGameType"), ServerPlayer.readPlayerMode(nbt, "previousPlayerGameType"));
+ }
+ return;
+ }
+ // Paper end - Expand PlayerGameModeChangeEvent
this.gameMode.setGameModeForPlayer(this.calculateGameModeForNewPlayer(ServerPlayer.readPlayerMode(nbt, "playerGameType")), ServerPlayer.readPlayerMode(nbt, "previousPlayerGameType"));
}
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
index 486d9c4dbe3ee23198eba7f34ea8b5f4e9048c0b..f080322bc766361b9d2d8b1214c3dff1c3df9ae8 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
@@ -72,14 +72,21 @@ public class ServerPlayerGameMode {
}
public boolean changeGameModeForPlayer(GameType gameMode) {
+ // Paper start - Expand PlayerGameModeChangeEvent
+ PlayerGameModeChangeEvent event = this.changeGameModeForPlayer(gameMode, org.bukkit.event.player.PlayerGameModeChangeEvent.Cause.UNKNOWN, null);
+ return event != null && event.isCancelled();
+ }
+ @Nullable
+ public PlayerGameModeChangeEvent changeGameModeForPlayer(GameType gameMode, org.bukkit.event.player.PlayerGameModeChangeEvent.Cause cause, @Nullable net.kyori.adventure.text.Component cancelMessage) {
+ // Paper end - Expand PlayerGameModeChangeEvent
if (gameMode == this.gameModeForPlayer) {
- return false;
+ return null; // Paper - Expand PlayerGameModeChangeEvent
} else {
// CraftBukkit start
- PlayerGameModeChangeEvent event = new PlayerGameModeChangeEvent(this.player.getBukkitEntity(), GameMode.getByValue(gameMode.getId()));
+ PlayerGameModeChangeEvent event = new PlayerGameModeChangeEvent(this.player.getBukkitEntity(), GameMode.getByValue(gameMode.getId()), cause, cancelMessage); // Paper
this.level.getCraftServer().getPluginManager().callEvent(event);
if (event.isCancelled()) {
- return false;
+ return event; // Paper - Expand PlayerGameModeChangeEvent
}
// CraftBukkit end
this.setGameModeForPlayer(gameMode, this.previousGameModeForPlayer);
@@ -90,7 +97,7 @@ public class ServerPlayerGameMode {
this.player.resetCurrentImpulseContext();
}
- return true;
+ return event; // Paper - Expand PlayerGameModeChangeEvent
}
}
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 04dd8964a1e9ea2a14589b811fd9938249f94f82..3a6769fec9bae32209d2b126a10d99fd1b8dd4b7 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -2719,7 +2719,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
this.player = this.server.getPlayerList().respawn(this.player, false, RespawnReason.DEATH);
if (this.server.isHardcore()) {
- this.player.setGameMode(GameType.SPECTATOR);
+ this.player.setGameMode(GameType.SPECTATOR, org.bukkit.event.player.PlayerGameModeChangeEvent.Cause.HARDCORE_DEATH, null); // Paper - Expand PlayerGameModeChangeEvent
((GameRules.BooleanValue) this.player.level().getGameRules().getRule(GameRules.RULE_SPECTATORSGENERATECHUNKS)).set(false, this.player.serverLevel()); // CraftBukkit - per-world
}
}
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index 36aaf37154c01c7a8f8543149e6bedec1386f5e7..6100e2313a86f9baca136a178cc30d4adc5cae53 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -1640,7 +1640,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
Preconditions.checkArgument(mode != null, "GameMode cannot be null");
if (this.getHandle().connection == null) return;
- this.getHandle().setGameMode(GameType.byId(mode.getValue()));
+ this.getHandle().setGameMode(GameType.byId(mode.getValue()), org.bukkit.event.player.PlayerGameModeChangeEvent.Cause.PLUGIN, null); // Paper - Expand PlayerGameModeChangeEvent
}
@Override
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