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


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/network/protocol/game/ServerboundClientInformationPacket.java b/src/main/java/net/minecraft/network/protocol/game/ServerboundClientInformationPacket.java
index 1f486cfd77b49568540398b1b3fa6127b17ba6aa..4b43740f9ff4feab4f1cd2f8e91d55be3cf8eb50 100644
--- a/src/main/java/net/minecraft/network/protocol/game/ServerboundClientInformationPacket.java
+++ b/src/main/java/net/minecraft/network/protocol/game/ServerboundClientInformationPacket.java
@@ -41,14 +41,17 @@ public class ServerboundClientInformationPacket implements Packet<ServerGamePack
         listener.handleClientInformation(this);
     }
 
+    public ChatVisiblity getChatVisibility() { return getChatVisibility(); } // Paper - OBFHELPER
     public ChatVisiblity getChatVisibility() {
         return this.chatVisibility;
     }
 
+    public boolean hasChatColorsEnabled() { return getChatColors(); } // Paper - OBFHELPER
     public boolean getChatColors() {
         return this.chatColors;
     }
 
+    public int getSkinParts() { return getModelCustomisation(); } // Paper - OBFHELPER
     public int getModelCustomisation() {
         return this.modelCustomisation;
     }
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index efacfcaab444270b985f3a7fe0ef97e33c18a9de..aa979d17c264840ebd528708df3d6118e69fec68 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -2,6 +2,7 @@ package net.minecraft.server.level;
 
 import com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent;
 import com.google.common.collect.Lists;
+import com.destroystokyo.paper.event.player.PlayerClientOptionsChangeEvent; // Paper
 import com.mojang.authlib.GameProfile;
 import com.mojang.datafixers.util.Either;
 import com.mojang.serialization.DataResult;
@@ -188,7 +189,7 @@ public class ServerPlayer extends Player implements ContainerListener {
     public int lastSentExp = -99999999;
     public int spawnInvulnerableTime = 60;
     private ChatVisiblity chatVisibility;
-    private boolean canChatColor = true;
+    private boolean canChatColor = true; public boolean hasChatColorsEnabled() { return this.canChatColor; } // Paper - OBFHELPER
     private long lastActionTime = Util.getMillis();
     private Entity camera;
     public boolean isChangingDimension;
@@ -1807,6 +1808,7 @@ public class ServerPlayer extends Player implements ContainerListener {
     public String locale = null; // CraftBukkit - add, lowercase // Paper - default to null
     public java.util.Locale adventure$locale = java.util.Locale.US; // Paper
     public void updateOptions(ServerboundClientInformationPacket packet) {
+        new PlayerClientOptionsChangeEvent(getBukkitEntity(), packet.language, packet.viewDistance, com.destroystokyo.paper.ClientOption.ChatVisibility.valueOf(packet.getChatVisibility().name()), packet.hasChatColorsEnabled(), new com.destroystokyo.paper.PaperSkinParts(packet.getSkinParts()), packet.getMainHand() == HumanoidArm.LEFT ? MainHand.LEFT : MainHand.RIGHT).callEvent(); // Paper - settings event
         // CraftBukkit start
         if (getMainArm() != packet.getMainHand()) {
             PlayerChangedMainHandEvent event = new PlayerChangedMainHandEvent(getBukkitEntity(), getMainArm() == HumanoidArm.LEFT ? MainHand.LEFT : MainHand.RIGHT);
diff --git a/src/main/java/net/minecraft/world/entity/player/Player.java b/src/main/java/net/minecraft/world/entity/player/Player.java
index 32f1b180e82f41f3ce1b49ea7d67b7d55d2b9ca7..525cd44411b344bc4b5d43c087094fea88fa41a6 100644
--- a/src/main/java/net/minecraft/world/entity/player/Player.java
+++ b/src/main/java/net/minecraft/world/entity/player/Player.java
@@ -130,7 +130,7 @@ public abstract class Player extends LivingEntity {
     private static final Map<Pose, EntityDimensions> POSES = ImmutableMap.<Pose, EntityDimensions>builder().put(Pose.STANDING, Player.STANDING_DIMENSIONS).put(Pose.SLEEPING, Player.SLEEPING_DIMENSIONS).put(Pose.FALL_FLYING, EntityDimensions.scalable(0.6F, 0.6F)).put(Pose.SWIMMING, EntityDimensions.scalable(0.6F, 0.6F)).put(Pose.SPIN_ATTACK, EntityDimensions.scalable(0.6F, 0.6F)).put(Pose.CROUCHING, EntityDimensions.scalable(0.6F, 1.5F)).put(Pose.DYING, EntityDimensions.fixed(0.2F, 0.2F)).build();
     private static final EntityDataAccessor<Float> DATA_PLAYER_ABSORPTION_ID = SynchedEntityData.defineId(Player.class, EntityDataSerializers.FLOAT);
     private static final EntityDataAccessor<Integer> DATA_SCORE_ID = SynchedEntityData.defineId(Player.class, EntityDataSerializers.INT);
-    protected static final EntityDataAccessor<Byte> DATA_PLAYER_MODE_CUSTOMISATION = SynchedEntityData.defineId(Player.class, EntityDataSerializers.BYTE);
+    protected static final EntityDataAccessor<Byte> DATA_PLAYER_MODE_CUSTOMISATION = SynchedEntityData.defineId(Player.class, EntityDataSerializers.BYTE); public static EntityDataAccessor<Byte> getSkinPartsWatcher() { return DATA_PLAYER_MODE_CUSTOMISATION; } // Paper - OBFHELPER
     protected static final EntityDataAccessor<Byte> DATA_PLAYER_MAIN_HAND = SynchedEntityData.defineId(Player.class, EntityDataSerializers.BYTE);
     protected static final EntityDataAccessor<CompoundTag> DATA_SHOULDER_LEFT = SynchedEntityData.defineId(Player.class, EntityDataSerializers.COMPOUND_TAG);
     protected static final EntityDataAccessor<CompoundTag> DATA_SHOULDER_RIGHT = SynchedEntityData.defineId(Player.class, EntityDataSerializers.COMPOUND_TAG);
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index 20de8e358789d05bb5ac15e4cdd7dda85b61b7f8..eb366396820c9b6731469df4198e0884a431a77c 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -1,5 +1,8 @@
 package org.bukkit.craftbukkit.entity;
 
+import com.destroystokyo.paper.ClientOption.ChatVisibility;
+import com.destroystokyo.paper.PaperSkinParts;
+import com.destroystokyo.paper.ClientOption;
 import com.destroystokyo.paper.Title;
 import com.google.common.base.Preconditions;
 import com.google.common.collect.ImmutableSet;
@@ -2250,6 +2253,24 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
     public void setViewDistance(int viewDistance) {
         throw new NotImplementedException("Per-Player View Distance APIs need further understanding to properly implement (There are per world view distances though!)"); // TODO
     }
+
+    @Override
+    public <T> T getClientOption(ClientOption<T> type) {
+        if(ClientOption.SKIN_PARTS.equals(type)) {
+            return type.getType().cast(new PaperSkinParts(getHandle().getEntityData().get(net.minecraft.world.entity.player.Player.getSkinPartsWatcher())));
+        } else if(ClientOption.CHAT_COLORS_ENABLED.equals(type)) {
+            return type.getType().cast(getHandle().hasChatColorsEnabled());
+        } else if(ClientOption.CHAT_VISIBILITY.equals(type)) {
+            return type.getType().cast(getHandle().getChatVisibility() == null ? ChatVisibility.UNKNOWN : ChatVisibility.valueOf(getHandle().getChatVisibility().name()));
+        } else if(ClientOption.LOCALE.equals(type)) {
+            return type.getType().cast(getLocale());
+        } else if(ClientOption.MAIN_HAND.equals(type)) {
+            return type.getType().cast(getMainHand());
+        } else if(ClientOption.VIEW_DISTANCE.equals(type)) {
+            return type.getType().cast(getClientViewDistance());
+        }
+        throw new RuntimeException("Unknown settings type");
+    }
     // Paper end
 
     // Spigot start