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(final float width, final float height, final boolean fixed) {
		this(width, height, defaultEyeHeight(height), EntityAttachments.createDefault(width, height), fixed);
	}

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

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

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

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

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

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

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

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

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