From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: MiniDigger <admin@minidigger.me>
Date: Mon, 20 Jan 2020 21:38:34 +0100
Subject: [PATCH] Add Player Client Options API


diff --git a/src/main/java/com/destroystokyo/paper/ClientOption.java b/src/main/java/com/destroystokyo/paper/ClientOption.java
new file mode 100644
index 0000000000000000000000000000000000000000..cedb51f9f3a9150035c2b44970a096448c441dd9
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/ClientOption.java
@@ -0,0 +1,50 @@
+package com.destroystokyo.paper;
+
+import net.kyori.adventure.translation.Translatable;
+import net.kyori.adventure.util.Index;
+import org.jetbrains.annotations.NotNull;
+
+import org.bukkit.inventory.MainHand;
+
+public final class ClientOption<T> {
+
+    public static final ClientOption<SkinParts> SKIN_PARTS = new ClientOption<>(SkinParts.class);
+    public static final ClientOption<Boolean> CHAT_COLORS_ENABLED = new ClientOption<>(Boolean.class);
+    public static final ClientOption<ChatVisibility> CHAT_VISIBILITY = new ClientOption<>(ChatVisibility.class);
+    public static final ClientOption<String> LOCALE = new ClientOption<>(String.class);
+    public static final ClientOption<MainHand> MAIN_HAND = new ClientOption<>(MainHand.class);
+    public static final ClientOption<Integer> VIEW_DISTANCE = new ClientOption<>(Integer.class);
+
+    private final Class<T> type;
+
+    private ClientOption(@NotNull Class<T> type) {
+        this.type = type;
+    }
+
+    @NotNull
+    public Class<T> getType() {
+        return type;
+    }
+
+    public enum ChatVisibility implements Translatable {
+        FULL("full"),
+        SYSTEM("system"),
+        HIDDEN("hidden"),
+        UNKNOWN("unknown");
+
+        public static Index<String, ChatVisibility> NAMES = Index.create(ChatVisibility.class, chatVisibility -> chatVisibility.name);
+        private final String name;
+
+        ChatVisibility(String name) {
+            this.name = name;
+        }
+
+        @Override
+        public @NotNull String translationKey() {
+            if (this == UNKNOWN) {
+                throw new UnsupportedOperationException(this.name + " doesn't have a translation key");
+            }
+            return "options.chat.visibility." + this.name;
+        }
+    }
+}
diff --git a/src/main/java/com/destroystokyo/paper/SkinParts.java b/src/main/java/com/destroystokyo/paper/SkinParts.java
new file mode 100644
index 0000000000000000000000000000000000000000..4a0c39405d4fbed457787e3c6ded4cc6591bc8c2
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/SkinParts.java
@@ -0,0 +1,20 @@
+package com.destroystokyo.paper;
+
+public interface SkinParts {
+
+    boolean hasCapeEnabled();
+
+    boolean hasJacketEnabled();
+
+    boolean hasLeftSleeveEnabled();
+
+    boolean hasRightSleeveEnabled();
+
+    boolean hasLeftPantsEnabled();
+
+    boolean hasRightPantsEnabled();
+
+    boolean hasHatsEnabled();
+
+    int getRaw();
+}
diff --git a/src/main/java/com/destroystokyo/paper/event/player/PlayerClientOptionsChangeEvent.java b/src/main/java/com/destroystokyo/paper/event/player/PlayerClientOptionsChangeEvent.java
new file mode 100644
index 0000000000000000000000000000000000000000..f7f171c4ee0b8339b2f8fbe82442d65f17202f28
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/event/player/PlayerClientOptionsChangeEvent.java
@@ -0,0 +1,100 @@
+package com.destroystokyo.paper.event.player;
+
+import com.destroystokyo.paper.ClientOption;
+import com.destroystokyo.paper.ClientOption.ChatVisibility;
+import com.destroystokyo.paper.SkinParts;
+
+import org.jetbrains.annotations.NotNull;
+
+import org.bukkit.entity.Player;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.player.PlayerEvent;
+import org.bukkit.inventory.MainHand;
+
+/**
+ * Called when the player changes his client settings
+ */
+public class PlayerClientOptionsChangeEvent extends PlayerEvent {
+
+    private static final HandlerList handlers = new HandlerList();
+
+    private final String locale;
+    private final int viewDistance;
+    private final ChatVisibility chatVisibility;
+    private final boolean chatColors;
+    private final SkinParts skinparts;
+    private final MainHand mainHand;
+
+    public PlayerClientOptionsChangeEvent(@NotNull Player player, @NotNull String locale, int viewDistance, @NotNull ChatVisibility chatVisibility, boolean chatColors, @NotNull SkinParts skinParts, @NotNull MainHand mainHand) {
+        super(player);
+        this.locale = locale;
+        this.viewDistance = viewDistance;
+        this.chatVisibility = chatVisibility;
+        this.chatColors = chatColors;
+        this.skinparts = skinParts;
+        this.mainHand = mainHand;
+    }
+
+    @NotNull
+    public String getLocale() {
+        return locale;
+    }
+
+    public boolean hasLocaleChanged() {
+        return !locale.equals(player.getClientOption(ClientOption.LOCALE));
+    }
+
+    public int getViewDistance() {
+        return viewDistance;
+    }
+
+    public boolean hasViewDistanceChanged() {
+        return viewDistance != player.getClientOption(ClientOption.VIEW_DISTANCE);
+    }
+
+    @NotNull
+    public ChatVisibility getChatVisibility() {
+        return chatVisibility;
+    }
+
+    public boolean hasChatVisibilityChanged() {
+        return chatVisibility != player.getClientOption(ClientOption.CHAT_VISIBILITY);
+    }
+
+    public boolean hasChatColorsEnabled() {
+        return chatColors;
+    }
+
+    public boolean hasChatColorsEnabledChanged() {
+        return chatColors != player.getClientOption(ClientOption.CHAT_COLORS_ENABLED);
+    }
+
+    @NotNull
+    public SkinParts getSkinParts() {
+        return skinparts;
+    }
+
+    public boolean hasSkinPartsChanged() {
+        return skinparts.getRaw() != player.getClientOption(ClientOption.SKIN_PARTS).getRaw();
+    }
+
+    @NotNull
+    public MainHand getMainHand() {
+        return mainHand;
+    }
+
+    public boolean hasMainHandChanged() {
+        return mainHand != player.getClientOption(ClientOption.MAIN_HAND);
+    }
+
+    @Override
+    @NotNull
+    public HandlerList getHandlers() {
+        return handlers;
+    }
+
+    @NotNull
+    public static HandlerList getHandlerList() {
+        return handlers;
+    }
+}
diff --git a/src/main/java/org/bukkit/entity/Player.java b/src/main/java/org/bukkit/entity/Player.java
index 1bace560fc0632c702ff820a15defa730272ba75..7d4959a96e0cbf9b9e8a980ae4711d02ecd1a430 100644
--- a/src/main/java/org/bukkit/entity/Player.java
+++ b/src/main/java/org/bukkit/entity/Player.java
@@ -2,6 +2,7 @@ package org.bukkit.entity;
 
 import java.net.InetSocketAddress;
 import java.util.UUID;
+import com.destroystokyo.paper.ClientOption; // Paper
 import com.destroystokyo.paper.Title; // Paper
 import net.kyori.adventure.text.Component;
 import com.destroystokyo.paper.profile.PlayerProfile; // Paper
@@ -2109,6 +2110,12 @@ public interface Player extends HumanEntity, Conversable, OfflinePlayer, PluginM
      * Reset the cooldown counter to 0, effectively starting the cooldown period.
      */
     void resetCooldown();
+
+    /**
+     * @return the client option value of the player
+     */
+    @NotNull
+    <T> T getClientOption(@NotNull ClientOption<T> option);
     // Paper end
 
     // Spigot start