package animation

import rl "github.com/gen2brain/raylib-go/raylib"

type animationTracker struct {
	currentAnimation entityAnimation
	animationStep    int
}

func NewAnimationTracker() *animationTracker {
	return &animationTracker{}
}

func (a *animationTracker) Draw(windowPosition rl.Vector2, color rl.Color) error {
	step := a.animationStep / a.currentAnimation.GetSpeed()

	err := a.currentAnimation.Draw(step, windowPosition, color)
	if err != nil {
		return err
	}

	a.animationStep = 1 + a.animationStep

	return nil
}

func (a *animationTracker) SetAnimation(id int) {
	newAnim := AnimationMap[id]

	if newAnim != a.currentAnimation {
		a.animationStep = 0
	}

	a.currentAnimation = newAnim
}