static void AddGraphicsMode(
GraphicsDevice *device, int width, int height, int scaleFactor)
{
int i = 0;
int actualResolutionToAdd = width * height * scaleFactor * scaleFactor;
GraphicsMode *mode = NULL;
// Don't add if mode already exists
if (FindValidMode(device, width, height, scaleFactor) != -1)
{
return;
}
for (; i < device->numValidModes; i++)
{
// Ordered by actual resolution ascending and scale descending
int actualResolution;
mode = &device->validModes[i];
actualResolution =
mode->Width * mode->Height * mode->ScaleFactor * mode->ScaleFactor;
if (actualResolution > actualResolutionToAdd ||
(actualResolution == actualResolutionToAdd &&
mode->ScaleFactor < scaleFactor))
{
break;
}
}
device->numValidModes++;
CREALLOC(device->validModes, device->numValidModes * sizeof *device->validModes);
// If inserting, move later modes one place further
if (i < device->numValidModes - 1)
{
memmove(
device->validModes + i + 1,
device->validModes + i,
(device->numValidModes - 1 - i) * sizeof *device->validModes);
}
mode = &device->validModes[i];
mode->Width = width;
mode->Height = height;
mode->ScaleFactor = scaleFactor;
}
static void AddGraphicsMode(GraphicsDevice *device, const int w, const int h)
{
// Don't add if mode already exists
if (FindValidMode(device, w, h) != -1)
{
return;
}
const int size = w * h;
int i;
for (i = 0; i < (int)device->validModes.size; i++)
{
// Ordered by actual resolution ascending and scale descending
const Vec2i *mode = CArrayGet(&device->validModes, i);
const int actualResolution = mode->x * mode->y;
if (actualResolution >= size)
{
break;
}
}
Vec2i mode = Vec2iNew(w, h);
CArrayInsert(&device->validModes, i, &mode);
}
// Initialises the video subsystem.
// To prevent needless screen flickering, config is compared with cache
// to see if anything changed. If not, don't recreate the screen.
void GraphicsInitialize(GraphicsDevice *g, const bool force)
{
#ifdef __GCWZERO__
int sdl_flags = SDL_HWSURFACE | SDL_TRIPLEBUF;
#else
int sdl_flags = SDL_SWSURFACE;
#endif
unsigned int w, h = 0;
unsigned int rw, rh;
if (g->IsInitialized && !g->cachedConfig.needRestart)
{
return;
}
if (!g->IsWindowInitialized)
{
/* only do this the first time */
char title[32];
debug(D_NORMAL, "setting caption and icon...\n");
sprintf(title, "C-Dogs SDL %s%s",
g->cachedConfig.IsEditor ? "Editor " : "",
CDOGS_SDL_VERSION);
SDL_WM_SetCaption(title, NULL);
char buf[CDOGS_PATH_MAX];
GetDataFilePath(buf, "cdogs_icon.bmp");
g->icon = SDL_LoadBMP(buf);
SDL_WM_SetIcon(g->icon, NULL);
AddSupportedGraphicsModes(g);
}
g->IsInitialized = false;
sdl_flags |= g->cachedConfig.IsEditor ? SDL_RESIZABLE : 0;
if (g->cachedConfig.Fullscreen)
{
sdl_flags |= SDL_FULLSCREEN;
}
rw = w = g->cachedConfig.Res.x;
rh = h = g->cachedConfig.Res.y;
if (g->cachedConfig.ScaleFactor > 1)
{
rw *= g->cachedConfig.ScaleFactor;
rh *= g->cachedConfig.ScaleFactor;
}
if (!force && !g->cachedConfig.IsEditor)
{
g->modeIndex = FindValidMode(g, w, h, g->cachedConfig.ScaleFactor);
if (g->modeIndex == -1)
{
g->modeIndex = 0;
printf("!!! Invalid Video Mode %dx%d\n", w, h);
return;
}
}
printf("Graphics mode:\t%dx%d %dx (actual %dx%d)\n",
w, h, g->cachedConfig.ScaleFactor, rw, rh);
SDL_FreeSurface(g->screen);
g->screen = SDL_SetVideoMode(rw, rh, 32, sdl_flags);
if (g->screen == NULL)
{
printf("ERROR: InitVideo: %s\n", SDL_GetError());
return;
}
SDL_PixelFormat *f = g->screen->format;
g->Amask = -1 & ~(f->Rmask | f->Gmask | f->Bmask);
Uint32 aMask = g->Amask;
g->Ashift = 0;
while (aMask != 0xff)
{
g->Ashift += 8;
aMask >>= 8;
}
CFREE(g->buf);
CCALLOC(g->buf, GraphicsGetMemSize(&g->cachedConfig));
CFREE(g->bkg);
CCALLOC(g->bkg, GraphicsGetMemSize(&g->cachedConfig));
debug(D_NORMAL, "Changed video mode...\n");
GraphicsSetBlitClip(
g, 0, 0, g->cachedConfig.Res.x - 1, g->cachedConfig.Res.y - 1);
debug(D_NORMAL, "Internal dimensions:\t%dx%d\n",
g->cachedConfig.Res.x, g->cachedConfig.Res.y);
g->IsInitialized = true;
g->IsWindowInitialized = true;
g->cachedConfig.Res.x = w;
g->cachedConfig.Res.y = h;
g->cachedConfig.needRestart = false;
}
// Initialises the video subsystem.
// To prevent needless screen flickering, config is compared with cache
// to see if anything changed. If not, don't recreate the screen.
void GraphicsInitialize(
GraphicsDevice *device, GraphicsConfig *config, TPalette palette,
int force)
{
int sdl_flags = 0;
unsigned int w, h = 0;
unsigned int rw, rh;
if (!IsRestartRequiredForConfig(device, config))
{
return;
}
if (!device->IsWindowInitialized)
{
/* only do this the first time */
char title[32];
debug(D_NORMAL, "setting caption and icon...\n");
sprintf(title, "C-Dogs SDL %s%s",
config->IsEditor ? "Editor " : "",
CDOGS_SDL_VERSION);
SDL_WM_SetCaption(title, NULL);
device->icon = SDL_LoadBMP(GetDataFilePath("cdogs_icon.bmp"));
SDL_WM_SetIcon(device->icon, NULL);
AddSupportedGraphicsModes(device);
}
device->IsInitialized = 0;
sdl_flags |= SDL_SWSURFACE;
sdl_flags |= config->IsEditor ? SDL_RESIZABLE : 0;
if (config->Fullscreen)
{
sdl_flags |= SDL_FULLSCREEN;
}
rw = w = config->Res.x;
rh = h = config->Res.y;
if (config->ScaleFactor > 1)
{
rw *= config->ScaleFactor;
rh *= config->ScaleFactor;
}
if (!force && !config->IsEditor)
{
device->modeIndex = FindValidMode(device, w, h, config->ScaleFactor);
if (device->modeIndex == -1)
{
device->modeIndex = 0;
printf("!!! Invalid Video Mode %dx%d\n", w, h);
return;
}
}
else
{
printf("\n");
printf(" BIG FAT WARNING: If this blows up in your face,\n");
printf(" and mutilates your cat, please don't cry.\n");
printf("\n");
}
printf("Graphics mode:\t%dx%d %dx (actual %dx%d)\n",
w, h, config->ScaleFactor, rw, rh);
SDL_FreeSurface(device->screen);
device->screen = SDL_SetVideoMode(rw, rh, 32, sdl_flags);
if (device->screen == NULL)
{
printf("ERROR: InitVideo: %s\n", SDL_GetError());
return;
}
SDL_PixelFormat *f = device->screen->format;
device->Amask = -1 & ~(f->Rmask | f->Gmask | f->Bmask);
Uint32 aMask = device->Amask;
device->Ashift = 0;
while (aMask != 0xff)
{
device->Ashift += 8;
aMask >>= 8;
}
CFREE(device->buf);
CCALLOC(device->buf, GraphicsGetMemSize(config));
CFREE(device->bkg);
CCALLOC(device->bkg, GraphicsGetMemSize(config));
debug(D_NORMAL, "Changed video mode...\n");
GraphicsSetBlitClip(
device,
0, 0, config->Res.x - 1,config->Res.y - 1);
debug(D_NORMAL, "Internal dimensions:\t%dx%d\n",
config->Res.x, config->Res.y);
device->IsInitialized = 1;
device->IsWindowInitialized = 1;
device->cachedConfig = *config;
device->cachedConfig.Res.x = w;
device->cachedConfig.Res.y = h;
CDogsSetPalette(palette);
}