src/main/java/moe/nea/firmament/mixins/custommodels/ApplyHeadModelInItemRenderer.java


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package moe.nea.firmament.mixins.custommodels;

import com.llamalad7.mixinextras.injector.wrapoperation.Operation;
import com.llamalad7.mixinextras.injector.wrapoperation.WrapOperation;
import com.llamalad7.mixinextras.sugar.Local;
import moe.nea.firmament.features.texturepack.BakedModelExtra;
import net.minecraft.client.render.item.ItemRenderer;
import net.minecraft.client.render.model.BakedModel;
import net.minecraft.client.render.model.json.ModelTransformationMode;
import net.minecraft.entity.LivingEntity;
import net.minecraft.item.ItemStack;
import net.minecraft.world.World;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.injection.At;

@Mixin(ItemRenderer.class)
public class ApplyHeadModelInItemRenderer {
    @WrapOperation(method = "renderItem(Lnet/minecraft/entity/LivingEntity;Lnet/minecraft/item/ItemStack;Lnet/minecraft/client/render/model/json/ModelTransformationMode;ZLnet/minecraft/client/util/math/MatrixStack;Lnet/minecraft/client/render/VertexConsumerProvider;Lnet/minecraft/world/World;III)V",
        at = @At(value = "INVOKE", target = "Lnet/minecraft/client/render/item/ItemRenderer;getModel(Lnet/minecraft/item/ItemStack;Lnet/minecraft/world/World;Lnet/minecraft/entity/LivingEntity;I)Lnet/minecraft/client/render/model/BakedModel;"))
    private BakedModel applyHeadModel(ItemRenderer instance, ItemStack stack, World world, LivingEntity entity, int seed, Operation<BakedModel> original,
                                      @Local(argsOnly = true) ModelTransformationMode modelTransformationMode) {
        var model = original.call(instance, stack, world, entity, seed);
        if (modelTransformationMode == ModelTransformationMode.HEAD
            && model instanceof BakedModelExtra extra) {
            var headModel = extra.getHeadModel_firmament();
            if (headModel != null) {
                model = headModel;
            }
        }
        return model;
    }
}