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c5a10665b8
Spigot still maintains some partial implementation of "tick skipping", a practice in which the MinecraftServer.currentTick field is updated not by an increment of one per actual tick, but instead set to System.currentTimeMillis() / 50. This behaviour means that the tracked tick may "skip" a tick value in case a previous tick took more than the expected 50ms. To compensate for this in important paths, spigot/craftbukkit implements "wall-time". Instead of incrementing/decrementing ticks on block entities/entities by one for each call to their tick() method, they instead increment/decrement important values, like an ItemEntity's age or pickupDelay, by the difference of `currentTick - lastTick`, where `lastTick` is the value of `currentTick` during the last tick() call. These "fixes" however do not play nicely with minecraft's simulation distance as entities/block entities implementing the above behaviour would "catch up" their values when moving from a non-ticking chunk to a ticking one as their `lastTick` value remains stuck on the last tick in a ticking chunk and hence lead to a large "catch up" once ticked again. Paper completely removes the "tick skipping" behaviour (See patch "Further-improve-server-tick-loop"), making the above precautions completely unnecessary, which also rids paper of the previous described incompatibility with non-ticking chunks.
161 lines
10 KiB
Diff
161 lines
10 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Jake Potrebic <jake.m.potrebic@gmail.com>
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Date: Sat, 15 May 2021 10:04:43 -0700
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Subject: [PATCH] Expand PlayerGameModeChangeEvent
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diff --git a/src/main/java/net/minecraft/server/commands/DefaultGameModeCommands.java b/src/main/java/net/minecraft/server/commands/DefaultGameModeCommands.java
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index b95a979f8f58f43e0becedcd843ff8bb992eb455..a046a0b1519806ff3d987e6402f152b60a3a6f4c 100644
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--- a/src/main/java/net/minecraft/server/commands/DefaultGameModeCommands.java
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+++ b/src/main/java/net/minecraft/server/commands/DefaultGameModeCommands.java
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@@ -28,9 +28,13 @@ public class DefaultGameModeCommands {
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GameType gameType = minecraftServer.getForcedGameType();
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if (gameType != null) {
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for (ServerPlayer serverPlayer : minecraftServer.getPlayerList().getPlayers()) {
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- if (serverPlayer.setGameMode(gameType)) {
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- i++;
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+ // Paper start - Expand PlayerGameModeChangeEvent
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+ org.bukkit.event.player.PlayerGameModeChangeEvent event = serverPlayer.setGameMode(gameType, org.bukkit.event.player.PlayerGameModeChangeEvent.Cause.DEFAULT_GAMEMODE, net.kyori.adventure.text.Component.empty());
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+ if (event != null && event.isCancelled()) {
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+ source.sendSuccess(() -> io.papermc.paper.adventure.PaperAdventure.asVanilla(event.cancelMessage()), false);
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}
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+ // Paper end - Expand PlayerGameModeChangeEvent
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+ i++;
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}
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}
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diff --git a/src/main/java/net/minecraft/server/commands/GameModeCommand.java b/src/main/java/net/minecraft/server/commands/GameModeCommand.java
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index 7f09119bc7d661e08a960dd2bd46006efe752d3e..d1da3600dc07107309b20ebe6e7c0c4da0e8de76 100644
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--- a/src/main/java/net/minecraft/server/commands/GameModeCommand.java
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+++ b/src/main/java/net/minecraft/server/commands/GameModeCommand.java
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@@ -60,9 +60,14 @@ public class GameModeCommand {
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int i = 0;
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for (ServerPlayer serverPlayer : targets) {
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- if (serverPlayer.setGameMode(gameMode)) {
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+ // Paper start - Expand PlayerGameModeChangeEvent
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+ org.bukkit.event.player.PlayerGameModeChangeEvent event = serverPlayer.setGameMode(gameMode, org.bukkit.event.player.PlayerGameModeChangeEvent.Cause.COMMAND, net.kyori.adventure.text.Component.empty());
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+ if (event != null && !event.isCancelled()) {
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logGamemodeChange(context.getSource(), serverPlayer, gameMode);
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i++;
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+ } else if (event != null && event.cancelMessage() != null) {
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+ context.getSource().sendSuccess(() -> io.papermc.paper.adventure.PaperAdventure.asVanilla(event.cancelMessage()), true);
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+ // Paper end - Expand PlayerGameModeChangeEvent
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}
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}
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diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
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index 52a5274fb811870481a48bf0505769d7ac5df31f..42df8d45ceb963043cf6467b8fc47272ce0873da 100644
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--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
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+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
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@@ -2084,10 +2084,18 @@ public class ServerPlayer extends net.minecraft.world.entity.player.Player {
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}
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public boolean setGameMode(GameType gameMode) {
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+ // Paper start - Expand PlayerGameModeChangeEvent
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+ org.bukkit.event.player.PlayerGameModeChangeEvent event = this.setGameMode(gameMode, org.bukkit.event.player.PlayerGameModeChangeEvent.Cause.UNKNOWN, null);
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+ return event == null ? false : event.isCancelled();
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+ }
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+ @Nullable
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+ public org.bukkit.event.player.PlayerGameModeChangeEvent setGameMode(GameType gameMode, org.bukkit.event.player.PlayerGameModeChangeEvent.Cause cause, @Nullable net.kyori.adventure.text.Component message) {
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boolean flag = this.isSpectator();
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- if (!this.gameMode.changeGameModeForPlayer(gameMode)) {
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- return false;
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+ org.bukkit.event.player.PlayerGameModeChangeEvent event = this.gameMode.changeGameModeForPlayer(gameMode, cause, message);
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+ if (event == null || event.isCancelled()) {
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+ return null;
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+ // Paper end - Expand PlayerGameModeChangeEvent
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} else {
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this.connection.send(new ClientboundGameEventPacket(ClientboundGameEventPacket.CHANGE_GAME_MODE, (float) gameMode.getId()));
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if (gameMode == GameType.SPECTATOR) {
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@@ -2103,7 +2111,7 @@ public class ServerPlayer extends net.minecraft.world.entity.player.Player {
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this.onUpdateAbilities();
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this.updateEffectVisibility();
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- return true;
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+ return event; // Paper - Expand PlayerGameModeChangeEvent
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}
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}
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@@ -2509,6 +2517,16 @@ public class ServerPlayer extends net.minecraft.world.entity.player.Player {
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}
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public void loadGameTypes(@Nullable CompoundTag nbt) {
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+ // Paper start - Expand PlayerGameModeChangeEvent
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+ if (this.server.getForcedGameType() != null && this.server.getForcedGameType() != ServerPlayer.readPlayerMode(nbt, "playerGameType")) {
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+ 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()) {
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+ this.gameMode.setGameModeForPlayer(this.server.getForcedGameType(), GameType.DEFAULT_MODE);
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+ } else {
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+ this.gameMode.setGameModeForPlayer(ServerPlayer.readPlayerMode(nbt,"playerGameType"), ServerPlayer.readPlayerMode(nbt, "previousPlayerGameType"));
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+ }
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+ return;
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+ }
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+ // Paper end - Expand PlayerGameModeChangeEvent
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this.gameMode.setGameModeForPlayer(this.calculateGameModeForNewPlayer(ServerPlayer.readPlayerMode(nbt, "playerGameType")), ServerPlayer.readPlayerMode(nbt, "previousPlayerGameType"));
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}
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diff --git a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
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index 5de472df78940d1b8320f73d18b2edf3a796227e..073cf184a0e7af41048ae67a9b17b4cdfcc43c35 100644
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--- a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
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+++ b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
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@@ -74,14 +74,21 @@ public class ServerPlayerGameMode {
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}
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public boolean changeGameModeForPlayer(GameType gameMode) {
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+ // Paper start - Expand PlayerGameModeChangeEvent
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+ PlayerGameModeChangeEvent event = this.changeGameModeForPlayer(gameMode, org.bukkit.event.player.PlayerGameModeChangeEvent.Cause.UNKNOWN, null);
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+ return event != null && event.isCancelled();
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+ }
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+ @Nullable
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+ public PlayerGameModeChangeEvent changeGameModeForPlayer(GameType gameMode, org.bukkit.event.player.PlayerGameModeChangeEvent.Cause cause, @Nullable net.kyori.adventure.text.Component cancelMessage) {
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+ // Paper end - Expand PlayerGameModeChangeEvent
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if (gameMode == this.gameModeForPlayer) {
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- return false;
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+ return null; // Paper - Expand PlayerGameModeChangeEvent
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} else {
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// CraftBukkit start
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- PlayerGameModeChangeEvent event = new PlayerGameModeChangeEvent(this.player.getBukkitEntity(), GameMode.getByValue(gameMode.getId()));
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+ PlayerGameModeChangeEvent event = new PlayerGameModeChangeEvent(this.player.getBukkitEntity(), GameMode.getByValue(gameMode.getId()), cause, cancelMessage); // Paper
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this.level.getCraftServer().getPluginManager().callEvent(event);
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if (event.isCancelled()) {
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- return false;
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+ return event; // Paper - Expand PlayerGameModeChangeEvent
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}
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// CraftBukkit end
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this.setGameModeForPlayer(gameMode, this.previousGameModeForPlayer);
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@@ -92,7 +99,7 @@ public class ServerPlayerGameMode {
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this.player.resetCurrentImpulseContext();
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}
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- return true;
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+ return event; // Paper - Expand PlayerGameModeChangeEvent
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}
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}
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diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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index 276c0b017452a1d7b60a2a8e779f2f3fcf4960cc..9781047aa5e0a6e6bc9f9c43a1eb347b6ecdff66 100644
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--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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@@ -2730,7 +2730,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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this.player = this.server.getPlayerList().respawn(this.player, false, Entity.RemovalReason.KILLED, RespawnReason.DEATH); // CraftBukkit
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if (this.server.isHardcore()) {
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- this.player.setGameMode(GameType.SPECTATOR);
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+ this.player.setGameMode(GameType.SPECTATOR, org.bukkit.event.player.PlayerGameModeChangeEvent.Cause.HARDCORE_DEATH, null); // Paper - Expand PlayerGameModeChangeEvent
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((GameRules.BooleanValue) this.player.level().getGameRules().getRule(GameRules.RULE_SPECTATORSGENERATECHUNKS)).set(false, this.player.serverLevel()); // CraftBukkit - per-world
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}
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}
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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index 7de53f6750d478a052bc8ade6edac056565fe068..a85983b947147a1557908846b8773aab29c17fae 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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@@ -1654,7 +1654,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
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Preconditions.checkArgument(mode != null, "GameMode cannot be null");
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if (this.getHandle().connection == null) return;
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- this.getHandle().setGameMode(GameType.byId(mode.getValue()));
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+ this.getHandle().setGameMode(GameType.byId(mode.getValue()), org.bukkit.event.player.PlayerGameModeChangeEvent.Cause.PLUGIN, null); // Paper - Expand PlayerGameModeChangeEvent
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}
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@Override
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