#include "animationHandler.h"
#include "animation.h"
#include <stdlib.h>
#include <stdio.h>

AnimationHandler * AnimationHandlerInit(Animation **animations, Texture2D **spriteTexture){
    AnimationHandler *new = malloc(sizeof(AnimationHandler));

    new->spriteTexture = spriteTexture;
    new->animations = animations;
    new->currentAnimation = 0;
    new->currentFrame = new->animations[new->currentAnimation]->head;
    new->forward = 1;
    new->deltaElapsed = 0;

    return new;
}

void AnimationUpdate(AnimationHandler *animationHandler){
    animationHandler->deltaElapsed += GetFrameTime();
    
    if(animationHandler->deltaElapsed >= 0.2){
        if(animationHandler->forward == 1){
            animationHandler->currentFrame = animationHandler->currentFrame->next;
        }
        else{
            animationHandler->currentFrame = animationHandler->currentFrame->prev;
        }
        animationHandler->deltaElapsed = 0;
    }

    *(animationHandler->spriteTexture) = animationHandler->currentFrame->texture;
    
}

void AnimationReset(AnimationHandler *animationHandler){
    animationHandler->currentFrame = animationHandler->animations[animationHandler->currentAnimation]->head;
    *(animationHandler->spriteTexture) = animationHandler->currentFrame->texture;
}

void AnimationChangeAnimation(AnimationHandler *animationHandler, int newAnimation){
    if(animationHandler->currentAnimation != newAnimation){
        animationHandler->currentAnimation = newAnimation;
        AnimationReset(animationHandler);
    }
}