void
TileDescription::load(TileFactory* factory)
{
if (debug)
std::cout << "Loading tiles: " << filename << std::endl;
SDL_Surface* image = IMG_Load_RW(get_physfs_SDLRWops(filename), 1);
if(!image)
{
std::ostringstream msg;
msg << "Couldn't load image '" << filename << "': " << SDL_GetError();
throw std::runtime_error(msg.str());
}
else
{
try
{
int num_tiles = width * height; //(image->w/TILE_RESOLUTION) * (image->h/TILE_RESOLUTION);
if (int(colmap.size()) != num_tiles)
{
std::ostringstream str;
str << "'colmap' information and num_tiles mismatch ("
<< colmap.size() << " != " << num_tiles << ") for image '" << filename << "'";
throw std::runtime_error(str.str());
}
if (int(ids.size()) != num_tiles)
{
std::ostringstream str;
str << "'ids' information and num_tiles mismatch ("
<< ids.size() << " != " << num_tiles << ") for image '" << filename << "'";
throw std::runtime_error(str.str());
}
int i = 0;
for (int y = 0; y < height*TILE_RESOLUTION; y += TILE_RESOLUTION)
{
for (int x = 0; x < width*TILE_RESOLUTION; x += TILE_RESOLUTION)
{
if(ids[i] != -1)
{
factory->pack(ids[i], colmap[i], image,
Rect(x, y, x+TILE_RESOLUTION, y+TILE_RESOLUTION));
}
i += 1;
}
}
}
catch(...)
{
SDL_FreeSurface(image);
throw;
}
SDL_FreeSurface(image);
}
}
TexturePtr
TextureManager::create_image_texture_raw(const std::string& filename, const Rect& rect)
{
SDL_Surface *image = nullptr;
Surfaces::iterator i = m_surfaces.find(filename);
if (i != m_surfaces.end())
{
image = i->second;
}
else
{
image = IMG_Load_RW(get_physfs_SDLRWops(filename), 1);
if (!image)
{
std::ostringstream msg;
msg << "Couldn't load image '" << filename << "' :" << SDL_GetError();
throw std::runtime_error(msg.str());
}
m_surfaces[filename] = image;
}
SDL_PixelFormat* format = image->format;
if(format->Rmask == 0 && format->Gmask == 0 && format->Bmask == 0 && format->Amask == 0) {
log_debug << "Wrong surface format for image " << filename << ". Compensating." << std::endl;
image = SDL_ConvertSurfaceFormat(image, SDL_PIXELFORMAT_RGBA8888, 0);
}
SDLSurfacePtr subimage(SDL_CreateRGBSurfaceFrom(static_cast<uint8_t*>(image->pixels) +
rect.top * image->pitch +
rect.left * image->format->BytesPerPixel,
rect.get_width(), rect.get_height(),
image->format->BitsPerPixel,
image->pitch,
image->format->Rmask,
image->format->Gmask,
image->format->Bmask,
image->format->Amask));
if (!subimage)
{
throw std::runtime_error("SDL_CreateRGBSurfaceFrom() call failed");
}
#ifdef OLD_SDL
if (image->format->palette)
{ // copy the image palette to subimage if present
SDL_SetSurfacePalette(subimage.get(), image->format->palette->colors);
}
#endif
return VideoSystem::current()->new_texture(subimage.get());
}
TexturePtr
TextureManager::create_image_texture_raw(const std::string& filename)
{
SDLSurfacePtr image(IMG_Load_RW(get_physfs_SDLRWops(filename), 1));
if (!image)
{
std::ostringstream msg;
msg << "Couldn't load image '" << filename << "' :" << SDL_GetError();
throw std::runtime_error(msg.str());
}
else
{
TexturePtr texture = VideoSystem::current()->new_texture(image.get());
image.reset(NULL);
return texture;
}
}
ImageTexture*
TextureManager::create_image_texture(const std::string& filename)
{
SDL_Surface* image = IMG_Load_RW(get_physfs_SDLRWops(filename), 1);
if(image == NULL) {
std::ostringstream msg;
msg << "Couldn't load image '" << filename << "' :" << SDL_GetError();
throw std::runtime_error(msg.str());
}
int texture_w = next_power_of_two(image->w);
int texture_h = next_power_of_two(image->h);
#if SDL_BYTEORDER == SDL_BIG_ENDIAN
SDL_Surface* convert = SDL_CreateRGBSurface(SDL_SWSURFACE,
texture_w, texture_h, 32,
0xff000000, 0x00ff0000, 0x0000ff00, 0x000000ff);
#else
SDL_Surface* convert = SDL_CreateRGBSurface(SDL_SWSURFACE,
texture_w, texture_h, 32,
0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000);
#endif
if(convert == 0)
throw std::runtime_error("Couldn't create texture: out of memory");
SDL_SetAlpha(image, 0, 0);
SDL_BlitSurface(image, 0, convert, 0);
ImageTexture* result = NULL;
try {
result = new ImageTexture(convert);
result->filename = filename;
result->image_width = image->w;
result->image_height = image->h;
} catch(...) {
delete result;
SDL_FreeSurface(convert);
throw;
}
SDL_FreeSurface(convert);
return result;
}
void
Main::init_video()
{
SDL_SetWindowTitle(VideoSystem::current()->get_renderer().get_window(), PACKAGE_NAME " " PACKAGE_VERSION);
const char* icon_fname = "images/engine/icons/supertux-256x256.png";
SDL_Surface* icon = IMG_Load_RW(get_physfs_SDLRWops(icon_fname), true);
if (!icon)
{
log_warning << "Couldn't load icon '" << icon_fname << "': " << SDL_GetError() << std::endl;
}
else
{
SDL_SetWindowIcon(VideoSystem::current()->get_renderer().get_window(), icon);
SDL_FreeSurface(icon);
}
SDL_ShowCursor(0);
log_info << (g_config->use_fullscreen?"fullscreen ":"window ")
<< " Window: " << g_config->window_size
<< " Fullscreen: " << g_config->fullscreen_size << "@" << g_config->fullscreen_refresh_rate
<< " Area: " << g_config->aspect_size << std::endl;
}
void
Font::loadFontSurface(
const std::string &glyphimage,
const std::string &shadowimage,
const std::vector<std::string> &chars,
GlyphWidth glyph_width,
int char_width
)
{
SurfacePtr glyph_surface = Surface::create("images/engine/fonts/" + glyphimage);
SurfacePtr shadow_surface = Surface::create("images/engine/fonts/" + shadowimage);
int surface_idx = glyph_surfaces.size();
glyph_surfaces.push_back(glyph_surface);
shadow_surfaces.push_back(shadow_surface);
int row=0, col=0;
int wrap = glyph_surface->get_width() / char_width;
SDL_Surface *surface = NULL;
if( glyph_width == VARIABLE ) {
//this does not work:
// surface = ((SDL::Texture *)glyph_surface.get_texture())->get_texture();
surface = IMG_Load_RW(get_physfs_SDLRWops("images/engine/fonts/"+glyphimage), 1);
if(surface == NULL) {
std::ostringstream msg;
msg << "Couldn't load image '" << glyphimage << "' :" << SDL_GetError();
throw std::runtime_error(msg.str());
}
SDL_LockSurface(surface);
}
for( unsigned int i = 0; i < chars.size(); i++) {
for(UTF8Iterator chr(chars[i]); !chr.done(); ++chr) {
int y = row * char_height;
int x = col * char_width;
if( ++col == wrap ) { col=0; row++; }
if( *chr == 0x0020 && glyphs[0x20].surface_idx != -1) continue;
Glyph glyph;
glyph.surface_idx = surface_idx;
if( glyph_width == FIXED )
{
glyph.rect = Rectf(x, y, x + char_width, y + char_height);
glyph.offset = Vector(0, 0);
glyph.advance = char_width;
}
else
{
int left = x;
while (left < x + char_width && vline_empty(surface, left, y, y + char_height, 64))
left += 1;
int right = x + char_width - 1;
while (right > left && vline_empty(surface, right, y, y + char_height, 64))
right -= 1;
if (left <= right)
{
glyph.offset = Vector(x-left, 0);
glyph.advance = right - left + 1 + 1; // FIXME: might be useful to make spacing configurable
}
else
{ // glyph is completly transparent
glyph.offset = Vector(0, 0);
glyph.advance = char_width + 1; // FIXME: might be useful to make spacing configurable
}
glyph.rect = Rectf(x, y, x + char_width, y + char_height);
}
glyphs[*chr] = glyph;
}
if( col>0 && col <= wrap ) {
col = 0;
row++;
}
}
if( surface != NULL ) {
SDL_UnlockSurface(surface);
SDL_FreeSurface(surface);
}
}
void init_video()
{
if(texture_manager != NULL)
texture_manager->save_textures();
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
int flags = SDL_OPENGL;
if(config->use_fullscreen)
flags |= SDL_FULLSCREEN;
int width = config->screenwidth;
int height = config->screenheight;
int bpp = 0;
screen = SDL_SetVideoMode(width, height, bpp, flags);
if(screen == 0) {
std::stringstream msg;
msg << "Couldn't set video mode (" << width << "x" << height
<< "-" << bpp << "bpp): " << SDL_GetError();
throw std::runtime_error(msg.str());
}
SDL_WM_SetCaption(PACKAGE_NAME " " PACKAGE_VERSION, 0);
// set icon
SDL_Surface* icon = IMG_Load_RW(
get_physfs_SDLRWops("images/engine/icons/supertux.xpm"), true);
if(icon != 0) {
SDL_WM_SetIcon(icon, 0);
SDL_FreeSurface(icon);
}
#ifdef DEBUG
else {
log_warning << "Couldn't find icon 'images/engine/icons/supertux.xpm'" << std::endl;
}
#endif
// setup opengl state and transform
glDisable(GL_DEPTH_TEST);
glDisable(GL_CULL_FACE);
glEnable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glViewport(0, 0, screen->w, screen->h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
// logical resolution here not real monitor resolution
glOrtho(0, 800, 600, 0, -1.0, 1.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glTranslatef(0, 0, 0);
check_gl_error("Setting up view matrices");
if(texture_manager != NULL)
texture_manager->reload_textures();
else
texture_manager = new TextureManager();
}