package net.minecraft.client.renderer.entity;

import com.google.common.collect.Maps;
import com.mojang.blaze3d.vertex.PoseStack;
import java.util.Map;
import net.minecraft.client.model.AdultAndBabyModelPair;
import net.minecraft.client.model.EntityModel;
import net.minecraft.client.model.animal.pig.BabyPigModel;
import net.minecraft.client.model.animal.pig.ColdPigModel;
import net.minecraft.client.model.animal.pig.PigModel;
import net.minecraft.client.model.geom.ModelLayers;
import net.minecraft.client.renderer.SubmitNodeCollector;
import net.minecraft.client.renderer.entity.layers.SimpleEquipmentLayer;
import net.minecraft.client.renderer.entity.state.PigRenderState;
import net.minecraft.client.renderer.state.level.CameraRenderState;
import net.minecraft.client.renderer.texture.MissingTextureAtlasSprite;
import net.minecraft.client.resources.model.EquipmentClientInfo;
import net.minecraft.resources.Identifier;
import net.minecraft.world.entity.EquipmentSlot;
import net.minecraft.world.entity.animal.pig.Pig;
import net.minecraft.world.entity.animal.pig.PigVariant;
import net.minecraft.world.entity.animal.pig.PigVariant.ModelType;

public class PigRenderer extends MobRenderer<Pig, PigRenderState, PigModel> {
	private final Map<ModelType, AdultAndBabyModelPair<PigModel>> models;

	public PigRenderer(final EntityRendererProvider.Context context) {
		super(context, new PigModel(context.bakeLayer(ModelLayers.PIG)), 0.7F);
		this.models = bakeModels(context);
		this.addLayer(
			new SimpleEquipmentLayer<>(
				this,
				context.getEquipmentRenderer(),
				EquipmentClientInfo.LayerType.PIG_SADDLE,
				state -> state.saddle,
				new PigModel(context.bakeLayer(ModelLayers.PIG_SADDLE)),
				null
			)
		);
	}

	private static Map<ModelType, AdultAndBabyModelPair<PigModel>> bakeModels(final EntityRendererProvider.Context context) {
		return Maps.newEnumMap(
			Map.of(
				ModelType.NORMAL,
				new AdultAndBabyModelPair<>(new PigModel(context.bakeLayer(ModelLayers.PIG)), new BabyPigModel(context.bakeLayer(ModelLayers.PIG_BABY))),
				ModelType.COLD,
				new AdultAndBabyModelPair<>(new ColdPigModel(context.bakeLayer(ModelLayers.COLD_PIG)), new BabyPigModel(context.bakeLayer(ModelLayers.PIG_BABY)))
			)
		);
	}

	public void submit(final PigRenderState state, final PoseStack poseStack, final SubmitNodeCollector submitNodeCollector, final CameraRenderState camera) {
		if (state.variant != null) {
			this.model = (EntityModel)((AdultAndBabyModelPair)this.models.get(state.variant.modelAndTexture().model())).getModel(state.isBaby);
			super.submit(state, poseStack, submitNodeCollector, camera);
		}
	}

	public Identifier getTextureLocation(final PigRenderState state) {
		return state.variant == null
			? MissingTextureAtlasSprite.getLocation()
			: (state.isBaby ? state.variant.babyTexture().texturePath() : state.variant.modelAndTexture().asset().texturePath());
	}

	public PigRenderState createRenderState() {
		return new PigRenderState();
	}

	public void extractRenderState(final Pig entity, final PigRenderState state, final float partialTicks) {
		super.extractRenderState(entity, state, partialTicks);
		state.saddle = entity.getItemBySlot(EquipmentSlot.SADDLE).copy();
		state.variant = (PigVariant)entity.getVariant().value();
	}
}