minecraft-src/net/minecraft/client/model/PlayerModel.java

package net.minecraft.client.model;

import com.mojang.blaze3d.vertex.PoseStack;
import java.util.List;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.minecraft.Util;
import net.minecraft.client.model.geom.ModelPart;
import net.minecraft.client.model.geom.PartPose;
import net.minecraft.client.model.geom.builders.CubeDeformation;
import net.minecraft.client.model.geom.builders.CubeListBuilder;
import net.minecraft.client.model.geom.builders.MeshDefinition;
import net.minecraft.client.model.geom.builders.PartDefinition;
import net.minecraft.client.renderer.RenderType;
import net.minecraft.client.renderer.entity.state.PlayerRenderState;
import net.minecraft.util.RandomSource;
import net.minecraft.world.entity.HumanoidArm;

@Environment(EnvType.CLIENT)
public class PlayerModel extends HumanoidModel<PlayerRenderState> {
	private static final String LEFT_SLEEVE = "left_sleeve";
	private static final String RIGHT_SLEEVE = "right_sleeve";
	private static final String LEFT_PANTS = "left_pants";
	private static final String RIGHT_PANTS = "right_pants";
	private final List<ModelPart> bodyParts;
	public final ModelPart leftSleeve;
	public final ModelPart rightSleeve;
	public final ModelPart leftPants;
	public final ModelPart rightPants;
	public final ModelPart jacket;
	private final boolean slim;

	public PlayerModel(ModelPart root, boolean slim) {
		super(root, RenderType::entityTranslucent);
		this.slim = slim;
		this.leftSleeve = this.leftArm.getChild("left_sleeve");
		this.rightSleeve = this.rightArm.getChild("right_sleeve");
		this.leftPants = this.leftLeg.getChild("left_pants");
		this.rightPants = this.rightLeg.getChild("right_pants");
		this.jacket = this.body.getChild("jacket");
		this.bodyParts = List.of(this.head, this.body, this.leftArm, this.rightArm, this.leftLeg, this.rightLeg);
	}

	public static MeshDefinition createMesh(CubeDeformation cubeDeformation, boolean slim) {
		MeshDefinition meshDefinition = HumanoidModel.createMesh(cubeDeformation, 0.0F);
		PartDefinition partDefinition = meshDefinition.getRoot();
		float f = 0.25F;
		if (slim) {
			PartDefinition partDefinition2 = partDefinition.addOrReplaceChild(
				"left_arm", CubeListBuilder.create().texOffs(32, 48).addBox(-1.0F, -2.0F, -2.0F, 3.0F, 12.0F, 4.0F, cubeDeformation), PartPose.offset(5.0F, 2.0F, 0.0F)
			);
			PartDefinition partDefinition3 = partDefinition.addOrReplaceChild(
				"right_arm", CubeListBuilder.create().texOffs(40, 16).addBox(-2.0F, -2.0F, -2.0F, 3.0F, 12.0F, 4.0F, cubeDeformation), PartPose.offset(-5.0F, 2.0F, 0.0F)
			);
			partDefinition2.addOrReplaceChild(
				"left_sleeve", CubeListBuilder.create().texOffs(48, 48).addBox(-1.0F, -2.0F, -2.0F, 3.0F, 12.0F, 4.0F, cubeDeformation.extend(0.25F)), PartPose.ZERO
			);
			partDefinition3.addOrReplaceChild(
				"right_sleeve", CubeListBuilder.create().texOffs(40, 32).addBox(-2.0F, -2.0F, -2.0F, 3.0F, 12.0F, 4.0F, cubeDeformation.extend(0.25F)), PartPose.ZERO
			);
		} else {
			PartDefinition partDefinition2 = partDefinition.addOrReplaceChild(
				"left_arm", CubeListBuilder.create().texOffs(32, 48).addBox(-1.0F, -2.0F, -2.0F, 4.0F, 12.0F, 4.0F, cubeDeformation), PartPose.offset(5.0F, 2.0F, 0.0F)
			);
			PartDefinition partDefinition3 = partDefinition.getChild("right_arm");
			partDefinition2.addOrReplaceChild(
				"left_sleeve", CubeListBuilder.create().texOffs(48, 48).addBox(-1.0F, -2.0F, -2.0F, 4.0F, 12.0F, 4.0F, cubeDeformation.extend(0.25F)), PartPose.ZERO
			);
			partDefinition3.addOrReplaceChild(
				"right_sleeve", CubeListBuilder.create().texOffs(40, 32).addBox(-3.0F, -2.0F, -2.0F, 4.0F, 12.0F, 4.0F, cubeDeformation.extend(0.25F)), PartPose.ZERO
			);
		}

		PartDefinition partDefinition2 = partDefinition.addOrReplaceChild(
			"left_leg", CubeListBuilder.create().texOffs(16, 48).addBox(-2.0F, 0.0F, -2.0F, 4.0F, 12.0F, 4.0F, cubeDeformation), PartPose.offset(1.9F, 12.0F, 0.0F)
		);
		PartDefinition partDefinition3 = partDefinition.getChild("right_leg");
		partDefinition2.addOrReplaceChild(
			"left_pants", CubeListBuilder.create().texOffs(0, 48).addBox(-2.0F, 0.0F, -2.0F, 4.0F, 12.0F, 4.0F, cubeDeformation.extend(0.25F)), PartPose.ZERO
		);
		partDefinition3.addOrReplaceChild(
			"right_pants", CubeListBuilder.create().texOffs(0, 32).addBox(-2.0F, 0.0F, -2.0F, 4.0F, 12.0F, 4.0F, cubeDeformation.extend(0.25F)), PartPose.ZERO
		);
		PartDefinition partDefinition4 = partDefinition.getChild("body");
		partDefinition4.addOrReplaceChild(
			"jacket", CubeListBuilder.create().texOffs(16, 32).addBox(-4.0F, 0.0F, -2.0F, 8.0F, 12.0F, 4.0F, cubeDeformation.extend(0.25F)), PartPose.ZERO
		);
		return meshDefinition;
	}

	public void setupAnim(PlayerRenderState renderState) {
		boolean bl = !renderState.isSpectator;
		this.body.visible = bl;
		this.rightArm.visible = bl;
		this.leftArm.visible = bl;
		this.rightLeg.visible = bl;
		this.leftLeg.visible = bl;
		this.hat.visible = renderState.showHat;
		this.jacket.visible = renderState.showJacket;
		this.leftPants.visible = renderState.showLeftPants;
		this.rightPants.visible = renderState.showRightPants;
		this.leftSleeve.visible = renderState.showLeftSleeve;
		this.rightSleeve.visible = renderState.showRightSleeve;
		super.setupAnim(renderState);
	}

	@Override
	public void setAllVisible(boolean visible) {
		super.setAllVisible(visible);
		this.leftSleeve.visible = visible;
		this.rightSleeve.visible = visible;
		this.leftPants.visible = visible;
		this.rightPants.visible = visible;
		this.jacket.visible = visible;
	}

	@Override
	public void translateToHand(HumanoidArm side, PoseStack poseStack) {
		this.root().translateAndRotate(poseStack);
		ModelPart modelPart = this.getArm(side);
		if (this.slim) {
			float f = 0.5F * (side == HumanoidArm.RIGHT ? 1 : -1);
			modelPart.x += f;
			modelPart.translateAndRotate(poseStack);
			modelPart.x -= f;
		} else {
			modelPart.translateAndRotate(poseStack);
		}
	}

	public ModelPart getRandomBodyPart(RandomSource random) {
		return Util.getRandom(this.bodyParts, random);
	}
}