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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.entity.state.EntityRenderState;
import net.minecraft.util.Mth;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.api.distmarker.OnlyIn;

@OnlyIn(Dist.CLIENT)
public class EndermiteModel extends EntityModel<EntityRenderState> {
    private static final int BODY_COUNT = 4;
    private static final int[][] BODY_SIZES = new int[][]{{4, 3, 2}, {6, 4, 5}, {3, 3, 1}, {1, 2, 1}};
    private static final int[][] BODY_TEXS = new int[][]{{0, 0}, {0, 5}, {0, 14}, {0, 18}};
    private final ModelPart[] bodyParts = new ModelPart[4];

    public EndermiteModel(ModelPart p_170545_) {
        super(p_170545_);

        for (int i = 0; i < 4; i++) {
            this.bodyParts[i] = p_170545_.getChild(createSegmentName(i));
        }
    }

    private static String createSegmentName(int p_170548_) {
        return "segment" + p_170548_;
    }

    public static LayerDefinition createBodyLayer() {
        MeshDefinition meshdefinition = new MeshDefinition();
        PartDefinition partdefinition = meshdefinition.getRoot();
        float f = -3.5F;

        for (int i = 0; i < 4; i++) {
            partdefinition.addOrReplaceChild(
                createSegmentName(i),
                CubeListBuilder.create()
                    .texOffs(BODY_TEXS[i][0], BODY_TEXS[i][1])
                    .addBox(
                        (float)BODY_SIZES[i][0] * -0.5F,
                        0.0F,
                        (float)BODY_SIZES[i][2] * -0.5F,
                        (float)BODY_SIZES[i][0],
                        (float)BODY_SIZES[i][1],
                        (float)BODY_SIZES[i][2]
                    ),
                PartPose.offset(0.0F, (float)(24 - BODY_SIZES[i][1]), f)
            );
            if (i < 3) {
                f += (float)(BODY_SIZES[i][2] + BODY_SIZES[i + 1][2]) * 0.5F;
            }
        }

        return LayerDefinition.create(meshdefinition, 64, 32);
    }

    @Override
    public void setupAnim(EntityRenderState p_363690_) {
        super.setupAnim(p_363690_);

        for (int i = 0; i < this.bodyParts.length; i++) {
            this.bodyParts[i].yRot = Mth.cos(p_363690_.ageInTicks * 0.9F + (float)i * 0.15F * (float) Math.PI)
                * (float) Math.PI
                * 0.01F
                * (float)(1 + Math.abs(i - 2));
            this.bodyParts[i].x = Mth.sin(p_363690_.ageInTicks * 0.9F + (float)i * 0.15F * (float) Math.PI)
                * (float) Math.PI
                * 0.1F
                * (float)Math.abs(i - 2);
        }
    }
}