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/*
* This file is from chat_heads is licensed under MPL-2.0, which can be found at https://www.mozilla.org/en-US/MPL/2.0/
* See: https://github.com/dzwdz/chat_heads/blob/fabric-1.16.x/LICENSE
*/
package cc.woverflow.chatting.mixin;
import cc.woverflow.chatting.config.ChattingConfig;
import cc.woverflow.chatting.hook.ChatLineHook;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.ChatLine;
import net.minecraft.client.network.NetHandlerPlayClient;
import net.minecraft.client.network.NetworkPlayerInfo;
import net.minecraft.util.IChatComponent;
import org.jetbrains.annotations.Nullable;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.Inject;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
import java.lang.ref.WeakReference;
import java.util.HashMap;
import java.util.Map;
@Mixin(ChatLine.class)
public class ChatLineMixin implements ChatLineHook {
private boolean detected = false;
private boolean first = true;
private NetworkPlayerInfo playerInfo;
private NetworkPlayerInfo detectedPlayerInfo;
private static NetworkPlayerInfo lastPlayerInfo;
@Inject(method = "<init>", at = @At("RETURN"))
private void onInit(int i, IChatComponent iChatComponent, int j, CallbackInfo ci) {
chatLines.add(new WeakReference<>((ChatLine) (Object) this));
NetHandlerPlayClient netHandler = Minecraft.getMinecraft().getNetHandler();
if (netHandler == null) return;
Map<String, NetworkPlayerInfo> nicknameCache = new HashMap<>();
try {
for (String word : iChatComponent.getFormattedText().split("(§.)|\\W")) {
if (word.isEmpty()) continue;
playerInfo = netHandler.getPlayerInfo(word);
if (playerInfo == null) {
playerInfo = getPlayerFromNickname(word, netHandler, nicknameCache);
}
if (playerInfo != null) {
detectedPlayerInfo = playerInfo;
detected = true;
if (playerInfo == lastPlayerInfo) {
first = false;
if (ChattingConfig.INSTANCE.getHideChatHeadOnConsecutiveMessages()) {
playerInfo = null;
}
} else {
lastPlayerInfo = playerInfo;
}
break;
}
}
} catch (Exception ignored) {
}
}
@Nullable
private static NetworkPlayerInfo getPlayerFromNickname(String word, NetHandlerPlayClient connection, Map<String, NetworkPlayerInfo> nicknameCache) {
if (nicknameCache.isEmpty()) {
for (NetworkPlayerInfo p : connection.getPlayerInfoMap()) {
IChatComponent displayName = p.getDisplayName();
if (displayName != null) {
String nickname = displayName.getUnformattedTextForChat();
if (word.equals(nickname)) {
nicknameCache.clear();
return p;
}
nicknameCache.put(nickname, p);
}
}
} else {
// use prepared cache
return nicknameCache.get(word);
}
return null;
}
@Override
public boolean hasDetected() {
return detected;
}
@Override
public NetworkPlayerInfo getPlayerInfo() {
return playerInfo;
}
@Override
public void updatePlayerInfo() {
if (ChattingConfig.INSTANCE.getHideChatHeadOnConsecutiveMessages() && !first) {
playerInfo = null;
} else {
playerInfo = detectedPlayerInfo;
}
}
}
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