C:/Documents and Settings/mtauraso/Desktop/proj3/projectX/AnimatedSprite.cpp

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#include "Animatedsprite.h"
#include "Screen.h"

using namespace std;

//AnimatedSprite::AnimatedSprite(std::string filename)
//: Sprite( filename )
//{
//}
//
//AnimatedSprite::AnimatedSprite(std::string filename, int width, int height)
//: Sprite( filename, width, height )
//{
//}


AnimatedSprite::AnimatedSprite( std::string filename, List *spriteInfo )
:_time(0),_index(0),_loop(false),_totalTime(0)
{
        _filename = filename;

        while(!spriteInfo->empty()) {
                List *nextSprite = spriteInfo->firstList();

                if(nextSprite->firstString() == "sprite") {
                        List *spriteParams = nextSprite->rest();
                        SpriteTime spriteTime;

                        while(!spriteParams->empty()) {
                                if(spriteParams->firstList()->firstString() == "filename") {
                                        spriteTime.s = Sprite::loadSprite(spriteParams->firstList()->rest()->firstString());
                                }
                                else if(spriteParams->firstList()->firstString() == "time") {
                                        spriteTime.time = _totalTime;
                                        _totalTime += atoi( spriteParams->firstList()->rest()->firstString().c_str() );
                                }
                                spriteParams = spriteParams->rest();
                        }

                        _sprites.push_back(spriteTime);
                }
                else if(nextSprite->firstString() == "loop")
                        _loop = true;

                spriteInfo = spriteInfo->rest();
        }

        if(_sprites.size() > 0) {
                _rect = _sprites[0].s->rect();
                for(size_t i = 1; i < _sprites.size(); i++) {
                        if(_sprites[i].s->rect().h != _rect.h || _sprites[i].s->rect().w != _rect.w) {
                                cerr << "Animated sprite not of consistent size: " << _sprites[i].s->filename()
                                        << " conflicts in " << _filename << endl;
                        }
                }
        }
        else {
                cerr << "Malformed animated sprites file: " << _filename << endl;
        }
}

AnimatedSprite::AnimatedSprite(AnimatedSprite *sprite)
:Sprite(sprite),_index(0),_time(0)
{
        _sprites = sprite->_sprites;
        _totalTime = sprite->_totalTime;
        _loop = sprite->_loop;
}

AnimatedSprite::~AnimatedSprite()
{
        for(size_t i = 0; i < _createdSprites.size(); i++)
                delete _createdSprites[i];
}

void AnimatedSprite::update()
{
        if(_time > _totalTime)
                return;

        _time++;

        if(_loop)
                _time %= _totalTime;
        
        _index = _sprites.size() - 1;
        for(size_t i = 0; i < _sprites.size(); i++) {
                if(_time < _sprites[i].time) {
                        _index = i-1;
                        break;
                }
        }
}

void AnimatedSprite::draw(int x, int y, bool origin)
{
        _sprites[_index].s->draw(x,y, origin);
}

Sprite *AnimatedSprite::instance()
{
        Sprite *animatedSprite = new AnimatedSprite(this);
        _createdSprites.push_back(animatedSprite);
        return animatedSprite;
}

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