SpriteSheet::SpriteSheet(const char* filename, int tileDim, bool flip)
{
_numberOfSprites = 0;
_indexBuffers = NULL;
if (flip)
{
SDL_Surface* surf = loadSurfaceFromImage(filename);
if (!surf)
{
fprintf(stderr, "Fatal: Failed to load %s\n", filename);
_tex = 0;
return;
}
surf = reverseSpriteSheet(surf, tileDim);
_tex = createTextureFromSurface(surf);
SDL_FreeSurface(surf);
}
else
{
_tex = loadTexture(filename);
if (_tex == 0)
{
fprintf(stderr, "Fatal: Failed to load %s\n", filename);
return;
}
}
_tileDim = tileDim;
glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &_width);
glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT, &_height);
_widthInSprites = _width / tileDim;
unsigned int heightInSprites = _height / tileDim;
_numberOfSprites = _widthInSprites * heightInSprites;
_indexBuffers = new GLuint[_numberOfSprites];
_clips.resize(_numberOfSprites);
unsigned int i, j;
for (i = 0; i < _widthInSprites; i++)
{
for (j = 0; j < heightInSprites; j++)
{
_clips[j * _widthInSprites + i].w = tileDim;
_clips[j * _widthInSprites + i].h = tileDim;
_clips[j * _widthInSprites + i].x = i * tileDim;
_clips[j * _widthInSprites + i].y = j * tileDim;
}
}
LOGF((stdout, "%s is %ix%i pixels and has %i %ix%i sprites.\n", filename, _width, _height, _numberOfSprites, tileDim, tileDim));
}
bool PhGraphicImage::init()
{
_surface = IMG_Load(_filename.toStdString().c_str());
if(_surface != NULL) {
if(createTextureFromSurface(_surface)) {
PHDEBUG << "Loading image";
return true;
}
}
PHDEBUG<<"Error loading:"<< _filename;
return false;
}
bool FontTexture::loadFromFile(std::string text, SDL_Renderer* renderer, SDL_Color textColor, SDL_Color backgroundColor)
{
//Get rid of preexisting texture
free();
//Success flag
bool success = true;
//Render text surface
SDL_Surface* textSurface = TTF_RenderText_Shaded( mFont, text.c_str(), textColor, backgroundColor );
if(textSurface == NULL)
{
printf("Unable to render text surface! SDL_ttf Error: %s\n", TTF_GetError());
}
else
{
createTextureFromSurface(renderer, textSurface);
}
//Return success
return mTexture != NULL;
}