From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Lumine1909 <3556577839@qq.com>
Date: Fri, 12 Apr 2024 20:12:33 -0400
Subject: [PATCH] Bytebuf API


diff --git a/src/main/java/org/bukkit/Bukkit.java b/src/main/java/org/bukkit/Bukkit.java
index b068de949e21525d79223e607fafd43b030a8294..1853a5c230de0e3bc66e0617efe01e6dd15ef553 100644
--- a/src/main/java/org/bukkit/Bukkit.java
+++ b/src/main/java/org/bukkit/Bukkit.java
@@ -2923,6 +2923,14 @@ public final class Bukkit {
         return server.getPhotographerManager();
     }
     // Leaves end - Photographer API
+    // Leaves start - Bytebuf API
+    public static @NotNull org.leavesmc.leaves.packet.bytebuf.Bytebuf newByteBuf() {
+        return server.newByteBuf();
+    }
+    public static @NotNull org.leavesmc.leaves.packet.bytebuf.Bytebuf newByteBuf(int initalCapability) {
+        return server.newByteBuf(initalCapability);
+    }
+    // Leaves end - Bytebuf API
 
     @NotNull
     public static Server.Spigot spigot() {
diff --git a/src/main/java/org/bukkit/Server.java b/src/main/java/org/bukkit/Server.java
index 23ac9b72d2a59b23223ad9335ebed63c40ac117f..56b7e84f075af5d10cb23635f52fc0fedb1f7c6f 100644
--- a/src/main/java/org/bukkit/Server.java
+++ b/src/main/java/org/bukkit/Server.java
@@ -2564,4 +2564,9 @@ public interface Server extends PluginMessageRecipient, net.kyori.adventure.audi
     // Leaves start - Photographer API
     @NotNull PhotographerManager getPhotographerManager();
     // Leaves end - Photographer API
+    // Leaves start - Bytebuf API
+    @NotNull org.leavesmc.leaves.packet.bytebuf.Bytebuf newByteBuf();
+    @NotNull org.leavesmc.leaves.packet.bytebuf.Bytebuf newByteBuf(int initalCapability);
+
+    // Leaves end - Bytebuf API
 }
diff --git a/src/main/java/org/bukkit/entity/Player.java b/src/main/java/org/bukkit/entity/Player.java
index 6c327a07bf8a6aa11a2d7dad12b2830acc539484..cfd3acc5e4adcd30fd70ca2c5601bcca1357c821 100644
--- a/src/main/java/org/bukkit/entity/Player.java
+++ b/src/main/java/org/bukkit/entity/Player.java
@@ -3760,6 +3760,10 @@ public interface Player extends HumanEntity, Conversable, OfflinePlayer, PluginM
      */
     void resetIdleDuration();
     // Paper end
+    // Leaves start - Bytebuf API
+    void sendPacket(org.leavesmc.leaves.packet.Packet packet);
+    void sendPacket(org.leavesmc.leaves.packet.bytebuf.Bytebuf buf, org.leavesmc.leaves.packet.PacketType packetType);
+    // Leaves end - Bytebuf API
 
     // Paper start - Add chunk view API
     /**
diff --git a/src/main/java/org/leavesmc/leaves/packet/Packet.java b/src/main/java/org/leavesmc/leaves/packet/Packet.java
new file mode 100644
index 0000000000000000000000000000000000000000..0ea5069b994eb3da2952f696c1fd1bc0e81e281a
--- /dev/null
+++ b/src/main/java/org/leavesmc/leaves/packet/Packet.java
@@ -0,0 +1,8 @@
+package org.leavesmc.leaves.packet;
+
+import org.leavesmc.leaves.packet.bytebuf.Bytebuf;
+
+public interface Packet {
+    PacketType getType();
+    Bytebuf getBytebuf();
+}
diff --git a/src/main/java/org/leavesmc/leaves/packet/PacketType.java b/src/main/java/org/leavesmc/leaves/packet/PacketType.java
new file mode 100644
index 0000000000000000000000000000000000000000..3cf5792ddb7aa52580c4d91c2ddef593a43212af
--- /dev/null
+++ b/src/main/java/org/leavesmc/leaves/packet/PacketType.java
@@ -0,0 +1,115 @@
+package org.leavesmc.leaves.packet;
+
+/***
+ * TODO: API comment
+ */
+public enum PacketType {
+    ClientboundAddEntity,
+    ClientboundAddExperienceOrb,
+    ClientboundAnimate,
+    ClientboundAwardStats,
+    ClientboundBlockChangedAck,
+    ClientboundBlockDestruction,
+    ClientboundBlockEntityData,
+    ClientboundBlockEvent,
+    ClientboundBlockUpdate,
+    ClientboundBossEvent,
+    // ClientboundBundle, Not a regular packet, see https://wiki.vg/Protocol#Bundle_Delimiter
+    ClientboundChangeDifficulty,
+    ClientboundChunkBatchFinished,
+    ClientboundChunkBatchStart,
+    ClientboundChunksBiomes,
+    ClientboundClearTitles,
+    ClientboundCommands,
+    ClientboundCommandSuggestions,
+    ClientboundContainerClose,
+    ClientboundContainerSetContent,
+    ClientboundContainerSetData,
+    ClientboundContainerSetSlot,
+    ClientboundCooldown,
+    ClientboundCustomChatCompletions,
+    ClientboundDamageEvent,
+    ClientboundDeleteChat,
+    ClientboundDisguisedChat,
+    ClientboundEntityEvent,
+    ClientboundExplode,
+    ClientboundForgetLevelChunk,
+    ClientboundGameEvent,
+    ClientboundHorseScreenOpen,
+    ClientboundHurtAnimation,
+    ClientboundInitializeBorder,
+    ClientboundLevelChunkWithLight,
+    ClientboundLevelEvent,
+    ClientboundLevelParticles,
+    ClientboundLightUpdate,
+    ClientboundLightUpdatePack,
+    ClientboundLogin,
+    ClientboundMapItemData,
+    ClientboundMerchantOffers,
+    // ClientboundMoveEntity, Abstract class
+    ClientboundMoveVehicle,
+    ClientboundOpenBook,
+    ClientboundOpenScreen,
+    ClientboundOpenSignEditor,
+    ClientboundPlaceGhostRecipe,
+    ClientboundPlayerAbilities,
+    ClientboundPlayerChat,
+    ClientboundPlayerCombatEnd,
+    ClientboundPlayerCombatEnter,
+    ClientboundPlayerCombatKill,
+    ClientboundPlayerInfoRemove,
+    ClientboundPlayerInfoUpdate,
+    ClientboundPlayerLookAt,
+    ClientboundPlayerPosition,
+    ClientboundRecipe,
+    ClientboundRemoveEntities,
+    ClientboundRemoveMobEffect,
+    ClientboundResetScore,
+    ClientboundRespawn,
+    ClientboundRotateHead,
+    ClientboundSectionBlocksUpdate,
+    ClientboundSelectAdvancementsTab,
+    ClientboundServerData,
+    ClientboundSetActionBarText,
+    ClientboundSetBorderCenter,
+    ClientboundSetBorderLerpSize,
+    ClientboundSetBorderSize,
+    ClientboundSetBorderWarningDelay,
+    ClientboundSetBorderWarningDistance,
+    ClientboundSetCamera,
+    ClientboundSetCarriedItem,
+    ClientboundSetChunkCacheCenter,
+    ClientboundSetChunkCacheRadius,
+    ClientboundSetDefaultSpawnPosition,
+    ClientboundSetDisplayObjective,
+    ClientboundSetEntityData,
+    ClientboundSetEntityLink,
+    ClientboundSetEntityMotion,
+    ClientboundSetEquipment,
+    ClientboundSetExperience,
+    ClientboundSetHealth,
+    ClientboundSetObjective,
+    ClientboundSetPassengers,
+    ClientboundSetPlayerTeam,
+    ClientboundSetScore,
+    ClientboundSetSimulationDistance,
+    ClientboundSetSubtitleText,
+    ClientboundSetTime,
+    ClientboundSetTitlesAnimation,
+    ClientboundSetTitleText,
+    ClientboundSoundEntity,
+    ClientboundSound,
+    ClientboundStartConfiguration,
+    ClientboundStopSound,
+    ClientboundSystemChat,
+    ClientboundTabList,
+    ClientboundTagQuery,
+    ClientboundTakeItemEntity,
+    ClientboundTeleportEntity,
+    ClientboundTickingState,
+    ClientboundTickingStep,
+    ClientboundUpdateAdvancements,
+    ClientboundUpdateAttributes,
+    ClientboundUpdateMobEffect,
+    ClientboundUpdateRecipes
+}
diff --git a/src/main/java/org/leavesmc/leaves/packet/bytebuf/Bytebuf.java b/src/main/java/org/leavesmc/leaves/packet/bytebuf/Bytebuf.java
new file mode 100644
index 0000000000000000000000000000000000000000..78a49c0d86742bc98f6b1434cba00a735982fd7a
--- /dev/null
+++ b/src/main/java/org/leavesmc/leaves/packet/bytebuf/Bytebuf.java
@@ -0,0 +1,29 @@
+package org.leavesmc.leaves.packet.bytebuf;
+
+import org.bukkit.inventory.ItemStack;
+import org.leavesmc.leaves.packet.Packet;
+import org.leavesmc.leaves.packet.PacketType;
+
+import java.util.UUID;
+
+public interface Bytebuf {
+    Packet toPacket(PacketType type);
+    Bytebuf writeByte(int i);
+    Bytebuf writeBoolean(boolean flag);
+    Bytebuf writeFloat(float f);
+    Bytebuf writeInt(int i);
+    Bytebuf writeShort(int i);
+    Bytebuf writeLong(long i);
+    Bytebuf writeVarInt(int value);
+    Bytebuf writeUUID(UUID uuid);
+    Bytebuf writeVarLong(long value);
+
+    /*
+    In order to bypass NMS in the API, use deserialization of Object here.
+    In the future, it may be adjusted to use API encapsulated content (workload++).
+     */
+    Bytebuf writeStringNbt(String nbt);
+    Bytebuf writeStringComponent(String component);
+    Bytebuf writeItem(ItemStack itemStack);
+
+}