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#include <SDL/SDL.h>
#include <SDL/SDL_image.h>
#include "constants.h"
#include "animatedimage.h"
AnimatedImage :: AnimatedImage( string file, int nFrames )
{
nrFrames = nFrames;
currentFrame = 0;
// Load image
image = IMG_Load( (const char *)file.c_str() );
if ( !image )
{
nrFrames = 0;
image = 0;
return;
}
SDL_SetColorKey(image, SDL_SRCCOLORKEY | SDL_RLEACCEL, SDL_MapRGB( image->format, 0, 0, 0 ) );
frameWidth = image->w/nrFrames;
frameHeight = image->h;
}
AnimatedImage :: ~AnimatedImage()
{
if ( image != 0 )
SDL_FreeSurface( image );
}
bool AnimatedImage :: nextFrame()
{
bool rc = true;
currentFrame ++;
if ( currentFrame >= nrFrames )
{
currentFrame --;
rc = false;
}
return rc;
}
void AnimatedImage :: draw( SDL_Surface *screen, int x, int y )
{
if ( !image )
return;
SDL_Rect dst;
dst.x = currentFrame * frameWidth;
dst.y = 0;
dst.w = frameWidth;
dst.h = frameHeight;
SDL_Rect dst2;
dst2.x = x - (frameWidth/2);
dst2.y = y - (frameHeight/2);;
SDL_BlitSurface( image, &dst, screen, &dst2 );
}
bool AnimatedImage :: AtEnd()
{
if ( currentFrame +1 >= nrFrames || image == 0 )
return true;
return false;
}
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