Implement Player Client Options API

== AT ==
public net.minecraft.world.entity.player.Player DATA_PLAYER_MODE_CUSTOMISATION
public net.minecraft.server.level.ServerPlayer particleStatus

paper-server/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();
+    }
+}

paper-server/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java

@@ -658,6 +658,30 @@ 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(this.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(this.getHandle().canChatInColor());
+        } else if (com.destroystokyo.paper.ClientOption.CHAT_VISIBILITY == type) {
+            return type.getType().cast(com.destroystokyo.paper.ClientOption.ChatVisibility.valueOf(this.getHandle().getChatVisibility().name()));
+        } else if (com.destroystokyo.paper.ClientOption.LOCALE == type) {
+            return type.getType().cast(this.getLocale());
+        } else if (com.destroystokyo.paper.ClientOption.MAIN_HAND == type) {
+            return type.getType().cast(this.getMainHand());
+        } else if (com.destroystokyo.paper.ClientOption.VIEW_DISTANCE == type) {
+            return type.getType().cast(this.getClientViewDistance());
+        } else if (com.destroystokyo.paper.ClientOption.TEXT_FILTERING_ENABLED == type) {
+            return type.getType().cast(this.getHandle().isTextFilteringEnabled());
+        } else if (com.destroystokyo.paper.ClientOption.ALLOW_SERVER_LISTINGS == type) {
+            return type.getType().cast(this.getHandle().allowsListing());
+        } else if (com.destroystokyo.paper.ClientOption.PARTICLE_VISIBILITY == type) {
+            return type.getType().cast(com.destroystokyo.paper.ClientOption.ParticleVisibility.valueOf(this.getHandle().particleStatus.name()));
+        }
+        throw new RuntimeException("Unknown settings type");
+    }
     // Paper end
 
     @Override

paper-server/src/test/java/io/papermc/paper/world/TranslationKeyTest.java

@@ -0,0 +1,25 @@
+package io.papermc.paper.world;
+
+import com.destroystokyo.paper.ClientOption;
+import net.minecraft.server.level.ParticleStatus;
+import net.minecraft.world.entity.player.ChatVisiblity;
+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");
+        }
+    }
+
+    @Test
+    public void testParticleVisibilityKeys() {
+        for (ClientOption.ParticleVisibility particleVisibility : ClientOption.ParticleVisibility.values()) {
+            Assertions.assertEquals(ParticleStatus.valueOf(particleVisibility.name()).getKey(), particleVisibility.translationKey(), particleVisibility + "'s translation key doesn't match");
+        }
+    }
+}