package net.minecraft.world.entity;

import net.minecraft.world.phys.AABB;
import net.minecraft.world.phys.Vec3;

public record EntityDimensions(float width, float height, float eyeHeight, EntityAttachments attachments, boolean fixed) {
	private EntityDimensions(float width, float height, boolean fixed) {
		this(width, height, defaultEyeHeight(height), EntityAttachments.createDefault(width, height), fixed);
	}

	private static float defaultEyeHeight(float height) {
		return height * 0.85F;
	}

	public AABB makeBoundingBox(Vec3 pos) {
		return this.makeBoundingBox(pos.x, pos.y, pos.z);
	}

	public AABB makeBoundingBox(double x, double y, double z) {
		float f = this.width / 2.0F;
		float g = this.height;
		return new AABB(x - f, y, z - f, x + f, y + g, z + f);
	}

	public EntityDimensions scale(float factor) {
		return this.scale(factor, factor);
	}

	public EntityDimensions scale(float widthFactor, float heightFactor) {
		return !this.fixed && (widthFactor != 1.0F || heightFactor != 1.0F)
			? new EntityDimensions(
				this.width * widthFactor, this.height * heightFactor, this.eyeHeight * heightFactor, this.attachments.scale(widthFactor, heightFactor, widthFactor), false
			)
			: this;
	}

	public static EntityDimensions scalable(float width, float height) {
		return new EntityDimensions(width, height, false);
	}

	public static EntityDimensions fixed(float width, float height) {
		return new EntityDimensions(width, height, true);
	}

	public EntityDimensions withEyeHeight(float eyeHeight) {
		return new EntityDimensions(this.width, this.height, eyeHeight, this.attachments, this.fixed);
	}

	public EntityDimensions withAttachments(EntityAttachments.Builder attachments) {
		return new EntityDimensions(this.width, this.height, this.eyeHeight, attachments.build(this.width, this.height), this.fixed);
	}
}