From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: MiniDigger <admin@benndorf.dev>
Date: Mon, 20 Jan 2020 21:38:15 +0100
Subject: [PATCH] Implement Player Client Options API

== AT ==
public net.minecraft.world.entity.player.Player DATA_PLAYER_MODE_CUSTOMISATION

diff --git a/src/main/java/com/destroystokyo/paper/PaperSkinParts.java b/src/main/java/com/destroystokyo/paper/PaperSkinParts.java
new file mode 100644
index 0000000000000000000000000000000000000000..b6f4400df3d8ec7e06a996de54f8cabba57885e1
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/PaperSkinParts.java
@@ -0,0 +1,74 @@
+package com.destroystokyo.paper;
+
+import com.google.common.base.Objects;
+
+import java.util.StringJoiner;
+
+public class PaperSkinParts implements SkinParts {
+
+    private final int raw;
+
+    public PaperSkinParts(int raw) {
+        this.raw = raw;
+    }
+
+    public boolean hasCapeEnabled() {
+        return (raw & 1) == 1;
+    }
+
+    public boolean hasJacketEnabled() {
+        return (raw >> 1 & 1) == 1;
+    }
+
+    public boolean hasLeftSleeveEnabled() {
+        return (raw >> 2 & 1) == 1;
+    }
+
+    public boolean hasRightSleeveEnabled() {
+        return (raw >> 3 & 1) == 1;
+    }
+
+    public boolean hasLeftPantsEnabled() {
+        return (raw >> 4 & 1) == 1;
+    }
+
+    public boolean hasRightPantsEnabled() {
+        return (raw >> 5 & 1) == 1;
+    }
+
+    public boolean hasHatsEnabled() {
+        return (raw >> 6 & 1) == 1;
+    }
+
+    @Override
+    public int getRaw() {
+        return raw;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        PaperSkinParts that = (PaperSkinParts) o;
+        return raw == that.raw;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hashCode(raw);
+    }
+
+    @Override
+    public String toString() {
+        return new StringJoiner(", ", PaperSkinParts.class.getSimpleName() + "[", "]")
+            .add("raw=" + raw)
+            .add("cape=" + hasCapeEnabled())
+            .add("jacket=" + hasJacketEnabled())
+            .add("leftSleeve=" + hasLeftSleeveEnabled())
+            .add("rightSleeve=" + hasRightSleeveEnabled())
+            .add("leftPants=" + hasLeftPantsEnabled())
+            .add("rightPants=" + hasRightPantsEnabled())
+            .add("hats=" + hasHatsEnabled())
+            .toString();
+    }
+}
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index 1e780b73fac4d686444ff3a009cf33318068d8d1..8554ee1636416d9fb1aee2051e4a4d08b0c6d636 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -359,7 +359,7 @@ public class ServerPlayer extends net.minecraft.world.entity.player.Player {
         this.stats = server.getPlayerList().getPlayerStats(this);
         this.advancements = server.getPlayerList().getPlayerAdvancements(this);
         // this.moveTo(this.adjustSpawnLocation(world, world.getSharedSpawnPos()).getBottomCenter(), 0.0F, 0.0F); // Paper - Don't move existing players to world spawn
-        this.updateOptions(clientOptions);
+        this.updateOptionsNoEvents(clientOptions); // Paper - don't call options events on login
         this.object = null;
 
         this.cachedSingleHashSet = new com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<>(this); // Paper
@@ -2149,7 +2149,23 @@ public class ServerPlayer extends net.minecraft.world.entity.player.Player {
         }
     }
 
+    // Paper start - Client option API
+    private java.util.Map<com.destroystokyo.paper.ClientOption<?>, ?> getClientOptionMap(String locale, int viewDistance, com.destroystokyo.paper.ClientOption.ChatVisibility chatVisibility, boolean chatColors, com.destroystokyo.paper.PaperSkinParts skinParts, org.bukkit.inventory.MainHand mainHand, boolean allowsServerListing, boolean textFilteringEnabled) {
+        java.util.Map<com.destroystokyo.paper.ClientOption<?>, Object> map = new java.util.HashMap<>();
+        map.put(com.destroystokyo.paper.ClientOption.LOCALE, locale);
+        map.put(com.destroystokyo.paper.ClientOption.VIEW_DISTANCE, viewDistance);
+        map.put(com.destroystokyo.paper.ClientOption.CHAT_VISIBILITY, chatVisibility);
+        map.put(com.destroystokyo.paper.ClientOption.CHAT_COLORS_ENABLED, chatColors);
+        map.put(com.destroystokyo.paper.ClientOption.SKIN_PARTS, skinParts);
+        map.put(com.destroystokyo.paper.ClientOption.MAIN_HAND, mainHand);
+        map.put(com.destroystokyo.paper.ClientOption.ALLOW_SERVER_LISTINGS, allowsServerListing);
+        map.put(com.destroystokyo.paper.ClientOption.TEXT_FILTERING_ENABLED, textFilteringEnabled);
+        return map;
+    }
+    // Paper end
+
     public void updateOptions(ClientInformation clientOptions) {
+        new com.destroystokyo.paper.event.player.PlayerClientOptionsChangeEvent(getBukkitEntity(), getClientOptionMap(clientOptions.language(), clientOptions.viewDistance(), com.destroystokyo.paper.ClientOption.ChatVisibility.valueOf(clientOptions.chatVisibility().name()), clientOptions.chatColors(), new com.destroystokyo.paper.PaperSkinParts(clientOptions.modelCustomisation()), clientOptions.mainHand() == HumanoidArm.LEFT ? MainHand.LEFT : MainHand.RIGHT, clientOptions.allowsListing(), clientOptions.textFilteringEnabled())).callEvent(); // Paper - settings event
         // CraftBukkit start
         if (this.getMainArm() != clientOptions.mainHand()) {
             PlayerChangedMainHandEvent event = new PlayerChangedMainHandEvent(this.getBukkitEntity(), this.getMainArm() == HumanoidArm.LEFT ? MainHand.LEFT : MainHand.RIGHT);
@@ -2160,6 +2176,11 @@ public class ServerPlayer extends net.minecraft.world.entity.player.Player {
             this.server.server.getPluginManager().callEvent(event);
         }
         // CraftBukkit end
+        // Paper start - don't call options events on login
+        this.updateOptionsNoEvents(clientOptions);
+    }
+    public void updateOptionsNoEvents(ClientInformation clientOptions) {
+        // Paper end
         this.language = clientOptions.language();
         this.adventure$locale = java.util.Objects.requireNonNullElse(net.kyori.adventure.translation.Translator.parseLocale(this.language), java.util.Locale.US); // Paper
         this.requestedViewDistance = clientOptions.viewDistance();
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index a32a3e8aa5108f28f7bda637c50627afb59f7598..8865dabc729af78fcc306d48e754c54f80dfb2e4 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -653,6 +653,28 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
             connection.disconnect(message == null ? net.kyori.adventure.text.Component.empty() : message);
         }
     }
+
+    @Override
+    public <T> T getClientOption(com.destroystokyo.paper.ClientOption<T> type) {
+        if (com.destroystokyo.paper.ClientOption.SKIN_PARTS == type) {
+            return type.getType().cast(new com.destroystokyo.paper.PaperSkinParts(getHandle().getEntityData().get(net.minecraft.world.entity.player.Player.DATA_PLAYER_MODE_CUSTOMISATION)));
+        } else if (com.destroystokyo.paper.ClientOption.CHAT_COLORS_ENABLED == type) {
+            return type.getType().cast(getHandle().canChatInColor());
+        } else if (com.destroystokyo.paper.ClientOption.CHAT_VISIBILITY == type) {
+            return type.getType().cast(getHandle().getChatVisibility() == null ? com.destroystokyo.paper.ClientOption.ChatVisibility.UNKNOWN : com.destroystokyo.paper.ClientOption.ChatVisibility.valueOf(getHandle().getChatVisibility().name()));
+        } else if (com.destroystokyo.paper.ClientOption.LOCALE == type) {
+            return type.getType().cast(getLocale());
+        } else if (com.destroystokyo.paper.ClientOption.MAIN_HAND == type) {
+            return type.getType().cast(getMainHand());
+        } else if (com.destroystokyo.paper.ClientOption.VIEW_DISTANCE == type) {
+            return type.getType().cast(getClientViewDistance());
+        } else if (com.destroystokyo.paper.ClientOption.ALLOW_SERVER_LISTINGS == type) {
+            return type.getType().cast(getHandle().allowsListing());
+        } else if (com.destroystokyo.paper.ClientOption.TEXT_FILTERING_ENABLED == type) {
+            return type.getType().cast(getHandle().isTextFilteringEnabled());
+        }
+        throw new RuntimeException("Unknown settings type");
+    }
     // Paper end
 
     @Override
diff --git a/src/test/java/io/papermc/paper/world/TranslationKeyTest.java b/src/test/java/io/papermc/paper/world/TranslationKeyTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..7f8b6462d2a1bbd39a870d2543bebc135f7eb45b
--- /dev/null
+++ b/src/test/java/io/papermc/paper/world/TranslationKeyTest.java
@@ -0,0 +1,18 @@
+package io.papermc.paper.world;
+
+import com.destroystokyo.paper.ClientOption;
+import net.minecraft.world.entity.player.ChatVisiblity;
+import org.bukkit.Difficulty;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+public class TranslationKeyTest {
+
+    @Test
+    public void testChatVisibilityKeys() {
+        for (ClientOption.ChatVisibility chatVisibility : ClientOption.ChatVisibility.values()) {
+            if (chatVisibility == ClientOption.ChatVisibility.UNKNOWN) continue;
+            Assertions.assertEquals(ChatVisiblity.valueOf(chatVisibility.name()).getKey(), chatVisibility.translationKey(), chatVisibility + "'s translation key doesn't match");
+        }
+    }
+}
