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fix: CraftBukkit Chat facet for 1.19 #93

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merged 1 commit into from Jun 12, 2022
Merged

fix: CraftBukkit Chat facet for 1.19 #93

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38 changes: 30 additions & 8 deletions platform-bukkit/src/main/java/net/kyori/adventure/platform/bukkit/CraftBukkitFacet.java
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Expand Up @@ -217,9 +217,21 @@ public Object createMessage(final @NotNull V viewer, final @NotNull Component me
findMcClassName("network.chat.ChatMessageType"),
findMcClassName("network.chat.ChatType")
);
private static final @Nullable Object MESSAGE_TYPE_CHAT = findEnum(CLASS_MESSAGE_TYPE, "CHAT", 0);
private static final @Nullable Object MESSAGE_TYPE_SYSTEM = findEnum(CLASS_MESSAGE_TYPE, "SYSTEM", 1);
private static final @Nullable Object MESSAGE_TYPE_ACTIONBAR = findEnum(CLASS_MESSAGE_TYPE, "GAME_INFO", 2);
private static final @Nullable Object MESSAGE_TYPE_CHAT;
private static final @Nullable Object MESSAGE_TYPE_SYSTEM;
private static final @Nullable Object MESSAGE_TYPE_ACTIONBAR;

static {
if (CLASS_MESSAGE_TYPE != null && !CLASS_MESSAGE_TYPE.isEnum()) {
MESSAGE_TYPE_CHAT = 0;
MESSAGE_TYPE_SYSTEM = 1;
MESSAGE_TYPE_ACTIONBAR = 2;
} else {
MESSAGE_TYPE_CHAT = findEnum(CLASS_MESSAGE_TYPE, "CHAT", 0);
MESSAGE_TYPE_SYSTEM = findEnum(CLASS_MESSAGE_TYPE, "SYSTEM", 1);
MESSAGE_TYPE_ACTIONBAR = findEnum(CLASS_MESSAGE_TYPE, "GAME_INFO", 2);
}
}

private static final @Nullable MethodHandle LEGACY_CHAT_PACKET_CONSTRUCTOR; // (IChatBaseComponent, byte)
private static final @Nullable MethodHandle CHAT_PACKET_CONSTRUCTOR; // (ChatMessageType, IChatBaseComponent, UUID) -> PacketPlayOutChat
Expand All @@ -233,17 +245,27 @@ public Object createMessage(final @NotNull V viewer, final @NotNull Component me
final Class<?> chatPacketClass = needClass(
findNmsClassName("PacketPlayOutChat"),
findMcClassName("network.protocol.game.PacketPlayOutChat"),
findMcClassName("network.protocol.game.ClientboundChatPacket")
findMcClassName("network.protocol.game.ClientboundChatPacket"),
findMcClassName("network.protocol.game.ClientboundSystemChatPacket")
);
// ClientboundChatPacket constructor changed for 1.16
chatPacketConstructor = findConstructor(chatPacketClass, CLASS_CHAT_COMPONENT);
// ClientboundSystemChatPacket constructor changed for 1.19
chatPacketConstructor = findConstructor(chatPacketClass, CLASS_CHAT_COMPONENT, int.class);
if (chatPacketConstructor == null) {
// ClientboundChatPacket constructor changed for 1.16
chatPacketConstructor = findConstructor(chatPacketClass, CLASS_CHAT_COMPONENT);
}
if (chatPacketConstructor == null) {
if (CLASS_MESSAGE_TYPE != null) {
chatPacketConstructor = findConstructor(chatPacketClass, CLASS_CHAT_COMPONENT, CLASS_MESSAGE_TYPE, UUID.class);
}
} else {
// Create a function that ignores the message type and sender id arguments to call the underlying one-argument constructor
chatPacketConstructor = dropArguments(chatPacketConstructor, 1, CLASS_MESSAGE_TYPE == null ? Object.class : CLASS_MESSAGE_TYPE, UUID.class);
if (MESSAGE_TYPE_CHAT == Integer.valueOf(0)) {
// for 1.19, create a function that drops the last UUID argument while keeping the integer message type argument
chatPacketConstructor = dropArguments(chatPacketConstructor, 2, UUID.class);
} else {
// Create a function that ignores the message type and sender id arguments to call the underlying one-argument constructor
chatPacketConstructor = dropArguments(chatPacketConstructor, 1, CLASS_MESSAGE_TYPE == null ? Object.class : CLASS_MESSAGE_TYPE, UUID.class);
}
}
legacyChatPacketConstructor = findConstructor(chatPacketClass, CLASS_CHAT_COMPONENT, byte.class);
if (legacyChatPacketConstructor == null) { // 1.7 paper protocol hack?
Expand Down