src/game/java/net/minecraft/client/model/ChestModel.java

package net.minecraft.client.model;

import net.minecraft.client.model.geom.ModelPart;
import net.minecraft.client.model.geom.PartPose;
import net.minecraft.client.model.geom.builders.CubeListBuilder;
import net.minecraft.client.model.geom.builders.LayerDefinition;
import net.minecraft.client.model.geom.builders.MeshDefinition;
import net.minecraft.client.model.geom.builders.PartDefinition;
import net.minecraft.client.renderer.RenderType;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.api.distmarker.OnlyIn;

@OnlyIn(Dist.CLIENT)
public class ChestModel extends Model {
    private static final String BOTTOM = "bottom";
    private static final String LID = "lid";
    private static final String LOCK = "lock";
    private final ModelPart lid;
    private final ModelPart lock;

    public ChestModel(ModelPart p_361015_) {
        super(p_361015_, RenderType::entitySolid);
        this.lid = p_361015_.getChild("lid");
        this.lock = p_361015_.getChild("lock");
    }

    public static LayerDefinition createSingleBodyLayer() {
        MeshDefinition meshdefinition = new MeshDefinition();
        PartDefinition partdefinition = meshdefinition.getRoot();
        partdefinition.addOrReplaceChild("bottom", CubeListBuilder.create().texOffs(0, 19).addBox(1.0F, 0.0F, 1.0F, 14.0F, 10.0F, 14.0F), PartPose.ZERO);
        partdefinition.addOrReplaceChild(
            "lid", CubeListBuilder.create().texOffs(0, 0).addBox(1.0F, 0.0F, 0.0F, 14.0F, 5.0F, 14.0F), PartPose.offset(0.0F, 9.0F, 1.0F)
        );
        partdefinition.addOrReplaceChild(
            "lock", CubeListBuilder.create().texOffs(0, 0).addBox(7.0F, -2.0F, 14.0F, 2.0F, 4.0F, 1.0F), PartPose.offset(0.0F, 9.0F, 1.0F)
        );
        return LayerDefinition.create(meshdefinition, 64, 64);
    }

    public static LayerDefinition createDoubleBodyRightLayer() {
        MeshDefinition meshdefinition = new MeshDefinition();
        PartDefinition partdefinition = meshdefinition.getRoot();
        partdefinition.addOrReplaceChild("bottom", CubeListBuilder.create().texOffs(0, 19).addBox(1.0F, 0.0F, 1.0F, 15.0F, 10.0F, 14.0F), PartPose.ZERO);
        partdefinition.addOrReplaceChild(
            "lid", CubeListBuilder.create().texOffs(0, 0).addBox(1.0F, 0.0F, 0.0F, 15.0F, 5.0F, 14.0F), PartPose.offset(0.0F, 9.0F, 1.0F)
        );
        partdefinition.addOrReplaceChild(
            "lock", CubeListBuilder.create().texOffs(0, 0).addBox(15.0F, -2.0F, 14.0F, 1.0F, 4.0F, 1.0F), PartPose.offset(0.0F, 9.0F, 1.0F)
        );
        return LayerDefinition.create(meshdefinition, 64, 64);
    }

    public static LayerDefinition createDoubleBodyLeftLayer() {
        MeshDefinition meshdefinition = new MeshDefinition();
        PartDefinition partdefinition = meshdefinition.getRoot();
        partdefinition.addOrReplaceChild("bottom", CubeListBuilder.create().texOffs(0, 19).addBox(0.0F, 0.0F, 1.0F, 15.0F, 10.0F, 14.0F), PartPose.ZERO);
        partdefinition.addOrReplaceChild(
            "lid", CubeListBuilder.create().texOffs(0, 0).addBox(0.0F, 0.0F, 0.0F, 15.0F, 5.0F, 14.0F), PartPose.offset(0.0F, 9.0F, 1.0F)
        );
        partdefinition.addOrReplaceChild(
            "lock", CubeListBuilder.create().texOffs(0, 0).addBox(0.0F, -2.0F, 14.0F, 1.0F, 4.0F, 1.0F), PartPose.offset(0.0F, 9.0F, 1.0F)
        );
        return LayerDefinition.create(meshdefinition, 64, 64);
    }

    public void setupAnim(float p_366833_) {
        this.lid.xRot = -(p_366833_ * (float) (Math.PI / 2));
        this.lock.xRot = this.lid.xRot;
    }
}