src/main/java/net/girlonthe/chattweaks/mixin/ChatComponentMixin.java


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package net.girlonthe.chattweaks.mixin;

import net.minecraft.ChatFormatting;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.components.ChatComponent;
import net.minecraft.client.multiplayer.chat.GuiMessage;
import net.minecraft.network.chat.Component;
import net.minecraft.network.chat.HoverEvent;
import net.minecraft.network.chat.MutableComponent;
import net.minecraft.network.chat.Style;
import net.minecraft.network.chat.TextColor;
import net.minecraft.network.chat.contents.objects.PlayerSprite;
import net.minecraft.world.entity.EntityTypes;
import net.minecraft.world.entity.player.Player;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.ModifyArg;

import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;

@Mixin(ChatComponent.class)
public abstract class ChatComponentMixin {
    @ModifyArg(
        method = "addMessage",
        at = @At(value = "INVOKE", target = "Lnet/minecraft/client/gui/components/ChatComponent;addMessageToDisplayQueue(Lnet/minecraft/client/multiplayer/chat/GuiMessage;)V")
    )
    private GuiMessage rosasChatTweaks$applyComponentModifications(GuiMessage original) {
	    MutableComponent modifiedContent = Component.empty();
	    for (Component component : original.content().toFlatList()) {
		    if ((component.getStyle().getHoverEvent() != null) && (component.getStyle().getHoverEvent().action() == HoverEvent.Action.SHOW_ENTITY)) {
			    HoverEvent.ShowEntity hoverEvent = (HoverEvent.ShowEntity) component.getStyle().getHoverEvent();
			    if (hoverEvent.entity().type.equals(EntityTypes.PLAYER)) {
				    Player maybePlayer = Minecraft.getInstance().level.getPlayerInAnyDimension(hoverEvent.entity().uuid);
				    if (maybePlayer != null) {
					    modifiedContent.append(Component.object(new PlayerSprite(maybePlayer.getProfile(), true)))
					    	.append(" ");
				    }
			    }
		    }

		    modifiedContent.append(component);
	    }

        Component finalComponent = Component.empty()
            .append(
                Component.literal(DateTimeFormatter.ofPattern("HH:mm:ss ").format(LocalDateTime.now()))
                    .setStyle(Style.EMPTY.withColor(ChatFormatting.GRAY))
            )
            .append(modifiedContent);
        return new GuiMessage(original.addedTime(), finalComponent, original.signature(), original.source(), original.tag());
    }
}