#include "Animation.h"

Animation::Animation(void)
{
}

Animation::Animation(int cFrame, int numOfFrames, float timePerFrame[], bool animateOnlyOnce, bool setIndividualFrameTimes)
{
    //Set initial values
    Timer = timer();
    currentTime = 0.0f;
    currentFrame = cFrame;
    oldFrame = cFrame;
    numberOfFrames = numOfFrames;

    //Set Individual Maximum Times per frame
    for (int n = 0; n < numOfFrames; n++)
        a_maxTimePerFrame[n] = timePerFrame[n];

    animateOnce = animateOnlyOnce;
    animating = true;
}

Animation::Animation(int cFrame, int numOfFrames, float timePerFrame, bool animateOnlyOnce)
{
    //Set initial values
    Timer = timer();
    currentTime = 0.0f;
    currentFrame = cFrame;
    oldFrame = cFrame;
    numberOfFrames = numOfFrames;
    maxTimePerFrame = timePerFrame;
    animateOnce = animateOnlyOnce;
    animating = true;
    individualFrameTimes = false;
}

void Animation::Update(SDLib& lib)
{
    if (lib.pause)
        Timer.pause();

    if (Timer.is_paused() && lib.play)
        Timer.unpause();

    if (!Timer.is_started())
        Timer.start();

    if (animating && numberOfFrames > 0 && maxTimePerFrame > 0 && !lib.pause && !individualFrameTimes) //We have some frames to animate with
    {
        float accumlator = 1000 * Timer.getDelta();
        currentTime += accumlator;
        float maxTime = 0;

        //Half The Reload-Time if we want faster gamplay
        if (lib.speedUp)
            maxTime = maxTimePerFrame / 2;
        else
            maxTime = maxTimePerFrame;

        if (currentTime > maxTime)
        {
            currentTime = 0.0f;
            currentFrame++;
            Timer.stop();

            if (currentFrame >= numberOfFrames && !animateOnce)
            {
                currentFrame = oldFrame;
            }
            else if (currentFrame >= numberOfFrames && animateOnce)
            {
                animating = false;
                currentFrame = numberOfFrames - 1;
            }
        }
    }
    else if (animating && numberOfFrames > 0 && a_maxTimePerFrame[currentFrame] > 0 && individualFrameTimes && !lib.pause) //We have some frames to animate with
    {
        float accumlator = 1000 * Timer.getDelta();
        currentTime += accumlator;
        float maxTime = 0;

        //Half The Reload-Time if we want faster gamplay
        if (lib.speedUp)
            maxTime = a_maxTimePerFrame[currentFrame] / 2;
        else
            maxTime = a_maxTimePerFrame[currentFrame];

        if (currentTime > maxTime)
        {
            currentTime = 0.0f;
            currentFrame++;
            Timer.stop();

            if (currentFrame >= numberOfFrames && !animateOnce)
            {
                currentFrame = oldFrame;
            }
            else if (currentFrame >= numberOfFrames && animateOnce)
            {
                animating = false;
                currentFrame = numberOfFrames - 1;
            }
        }
    }
}