/**
* @brief Loads the nebulae from file.
*
* @param file Path of the nebula to load. Relative to base directory.
* @return A SDL surface with the nebula.
*/
static SDL_Surface* loadNebula( const char* file )
{
char file_path[PATH_MAX];
SDL_Surface* sur;
SDL_RWops *rw;
npng_t *npng;
/* loads the file */
nsnprintf(file_path, PATH_MAX, "%s"NEBULA_PATH"%s", nfile_cachePath(), file );
rw = SDL_RWFromFile( file_path, "rb" );;
if (rw == NULL) {
WARN("Unable to create rwops from Nebula image: %s", file);
return NULL;
}
npng = npng_open( rw );
if (npng == NULL) {
WARN("Unable to open Nebula image: %s", file);
SDL_RWclose( rw );
return NULL;
}
sur = npng_readSurface( npng, 0, 1 );
npng_close( npng );
SDL_RWclose( rw );
if (sur == NULL) {
WARN("Unable to load Nebula image: %s", file);
return NULL;
}
return sur;
}
/**
* @brief Checks the validity of a nebula.
*
* @param file Path of the nebula to check (relative to base directory).
* @return 0 on success.
*/
static int nebu_checkCompat( const char* file )
{
/* first check to see if file exists */
if (nfile_fileExists("%s"NEBULA_PATH"%s", nfile_cachePath(), file) == 0)
return -1;
return 0;
}
/**
* @brief Saves a nebula.
*
* @param map Nebula map to save.
* @param w Width of nebula map.
* @param h Height of nebula map.
* @param file Path to save into.
* @return 0 on success.
*/
static int saveNebula( float *map, const uint32_t w, const uint32_t h, const char* file )
{
char file_path[PATH_MAX];
SDL_Surface* sur;
int ret;
/* fix surface */
sur = nebu_surfaceFromNebulaMap( map, w, h );
/* save */
nsnprintf(file_path, PATH_MAX, "%s"NEBULA_PATH"%s", nfile_cachePath(), file );
ret = SDL_SavePNG( sur, file_path );
/* cleanup */
SDL_FreeSurface( sur );
return ret;
}
/**
* @brief Generates the nebula.
*
* @return 0 on success.
*/
static int nebu_generate (void)
{
int i;
float *nebu;
const char *cache;
char nebu_file[PATH_MAX];
int w,h;
int ret;
/* Warn user of what is happening. */
loadscreen_render( 0.05, "Generating Nebula (slow, run once)..." );
/* Get resolution to create at. */
w = SCREEN_W;
h = SCREEN_H;
/* Try to make the dir first if it fails. */
cache = nfile_cachePath();
nfile_dirMakeExist( "%s", cache );
nfile_dirMakeExist( "%s"NEBULA_PATH, cache );
/* Generate all the nebula backgrounds */
nebu = noise_genNebulaMap( w, h, NEBULA_Z, 5. );
/* Start saving - compression can take a bit. */
loadscreen_render( 0.05, "Compressing Nebula layers..." );
/* Save each nebula as an image */
for (i=0; i<NEBULA_Z; i++) {
nsnprintf( nebu_file, PATH_MAX, NEBULA_PATH_BG, w, h, i );
ret = saveNebula( &nebu[ i*w*h ], w, h, nebu_file );
if (ret != 0)
break; /* An error has happened */
}
/* Cleanup */
free(nebu);
return ret;
}
/**
* @brief Wrapper for gl_loadImagePad that includes transparency mapping.
*
* @param name Name to load with.
* @param surface Surface to load.
* @param rw RWops containing data to hash.
* @param flags Flags to use.
* @param w Non-padded width.
* @param h Non-padded height.
* @param sx X sprites.
* @param sy Y sprites.
* @param freesur Whether or not to free the surface.
* @return The glTexture for surface.
*/
glTexture* gl_loadImagePadTrans( const char *name, SDL_Surface* surface, SDL_RWops *rw,
unsigned int flags, int w, int h, int sx, int sy, int freesur )
{
glTexture *texture;
int i, filesize;
size_t cachesize, pngsize;
uint8_t *trans;
char *cachefile, *data;
char digest[33];
md5_state_t md5;
md5_byte_t *md5val;
if (name != NULL) {
texture = gl_texExists( name );
if (texture != NULL)
return texture;
}
if (flags & OPENGL_TEX_MAPTRANS)
flags ^= OPENGL_TEX_MAPTRANS;
/* Appropriate size for the transparency map, see SDL_MapTrans */
cachesize = gl_transSize(w, h);
cachefile = NULL;
trans = NULL;
if (rw != NULL) {
md5val = malloc(16);
md5_init(&md5);
pngsize = SDL_RWseek( rw, 0, SEEK_END );
SDL_RWseek( rw, 0, SEEK_SET );
data = malloc(pngsize);
if (data == NULL)
WARN("Out of memory!");
else {
SDL_RWread( rw, data, pngsize, 1 );
md5_append( &md5, (md5_byte_t*)data, pngsize );
free(data);
}
md5_finish( &md5, md5val );
for (i=0; i<16; i++)
nsnprintf( &digest[i * 2], 3, "%02x", md5val[i] );
free(md5val);
cachefile = malloc( PATH_MAX );
nsnprintf( cachefile, PATH_MAX, "%scollisions/%s",
nfile_cachePath(), digest );
/* Attempt to find a cached transparency map. */
if (nfile_fileExists(cachefile)) {
trans = (uint8_t*)nfile_readFile( &filesize, cachefile );
/* Consider cached data invalid if the length doesn't match. */
if (trans != NULL && cachesize != (unsigned int)filesize) {
free(trans);
trans = NULL;
}
/* Cached data matches, no need to overwrite. */
else {
free(cachefile);
cachefile = NULL;
}
}
}
else {
/* We could hash raw pixel data here, but that's slower than just
* generating the map from scratch.
*/
WARN("Texture '%s' has no RWops", name);
}
if (trans == NULL) {
SDL_LockSurface(surface);
trans = SDL_MapTrans( surface, w, h );
SDL_UnlockSurface(surface);
if (cachefile != NULL) {
/* Cache newly-generated transparency map. */
nfile_dirMakeExist( "%s/collisions/", nfile_cachePath() );
nfile_writeFile( (char*)trans, cachesize, cachefile );
free(cachefile);
}
}
texture = gl_loadImagePad( name, surface, flags, w, h, sx, sy, freesur );
texture->trans = trans;
return texture;
}
/**
* @brief The entry point of Naev.
*
* @param[in] argc Number of arguments.
* @param[in] argv Array of argc arguments.
* @return EXIT_SUCCESS on success.
*/
int main( int argc, char** argv )
{
char buf[PATH_MAX];
/* Save the binary path. */
binary_path = strdup(argv[0]);
/* Print the version */
LOG( " "APPNAME" v%s", naev_version(0) );
#ifdef GIT_COMMIT
DEBUG( " git HEAD at " GIT_COMMIT );
#endif /* GIT_COMMIT */
/* Initializes SDL for possible warnings. */
SDL_Init(0);
/* Initialize the threadpool */
threadpool_init();
/* Set up debug signal handlers. */
debug_sigInit();
/* Must be initialized before input_init is called. */
if (SDL_InitSubSystem(SDL_INIT_VIDEO) < 0) {
WARN("Unable to initialize SDL Video: %s", SDL_GetError());
return -1;
}
/* Get desktop dimensions. */
#if SDL_VERSION_ATLEAST(1,2,10)
const SDL_VideoInfo *vidinfo = SDL_GetVideoInfo();
gl_screen.desktop_w = vidinfo->current_w;
gl_screen.desktop_h = vidinfo->current_h;
#else /* #elif SDL_VERSION_ATLEAST(1,2,10) */
gl_screen.desktop_w = 0;
gl_screen.desktop_h = 0;
#endif /* #elif SDL_VERSION_ATLEAST(1,2,10) */
/* We'll be parsing XML. */
LIBXML_TEST_VERSION
xmlInitParser();
/* Input must be initialized for config to work. */
input_init();
conf_setDefaults(); /* set the default config values */
/*
* Attempts to load the data path from datapath.lua
* At this early point in the load process, the binary path
* is the only place likely to be checked.
*/
conf_loadConfigPath();
/* Parse the user data path override first. */
conf_parseCLIPath( argc, argv );
/* Create the home directory if needed. */
if (nfile_dirMakeExist("%s", nfile_configPath()))
WARN("Unable to create config directory '%s'", nfile_configPath());
/* Set the configuration. */
nsnprintf(buf, PATH_MAX, "%s"CONF_FILE, nfile_configPath());
#if HAS_UNIX
/* TODO get rid of this cruft ASAP. */
int oldconfig = 0;
if (!nfile_fileExists( buf )) {
char *home, buf2[PATH_MAX];
home = SDL_getenv( "HOME" );
if (home != NULL) {
nsnprintf( buf2, PATH_MAX, "%s/.naev/"CONF_FILE, home );
if (nfile_fileExists( buf2 ))
oldconfig = 1;
}
}
#endif /* HAS_UNIX */
conf_loadConfig(buf); /* Lua to parse the configuration file */
conf_parseCLI( argc, argv ); /* parse CLI arguments */
/* Enable FPU exceptions. */
#if defined(HAVE_FEENABLEEXCEPT) && defined(DEBUGGING)
if (conf.fpu_except)
feenableexcept( FE_DIVBYZERO | FE_INVALID | FE_OVERFLOW );
#endif /* defined(HAVE_FEENABLEEXCEPT) && defined(DEBUGGING) */
/* Open data. */
if (ndata_open() != 0)
ERR("Failed to open ndata.");
/* Load the start info. */
if (start_load())
ERR("Failed to load module start data.");
/* Load the data basics. */
LOG(" %s", ndata_name());
DEBUG();
/* Display the SDL Version. */
print_SDLversion();
DEBUG();
/* random numbers */
rng_init();
/*
* OpenGL
*/
if (gl_init()) { /* initializes video output */
ERR("Initializing video output failed, exiting...");
SDL_Quit();
exit(EXIT_FAILURE);
}
window_caption();
gl_fontInit( NULL, NULL, conf.font_size_def ); /* initializes default font to size */
gl_fontInit( &gl_smallFont, NULL, conf.font_size_small ); /* small font */
/* Display the load screen. */
loadscreen_load();
loadscreen_render( 0., "Initializing subsystems..." );
time_ms = SDL_GetTicks();
/*
* Input
*/
if ((conf.joystick_ind >= 0) || (conf.joystick_nam != NULL)) {
if (joystick_init()) WARN("Error initializing joystick input");
if (conf.joystick_nam != NULL) { /* use the joystick name to find a joystick */
if (joystick_use(joystick_get(conf.joystick_nam))) {
WARN("Failure to open any joystick, falling back to default keybinds");
input_setDefault();
}
free(conf.joystick_nam);
}
else if (conf.joystick_ind >= 0) /* use a joystick id instead */
if (joystick_use(conf.joystick_ind)) {
WARN("Failure to open any joystick, falling back to default keybinds");
input_setDefault();
}
}
/*
* OpenAL - Sound
*/
if (conf.nosound) {
LOG("Sound is disabled!");
sound_disabled = 1;
music_disabled = 1;
}
if (sound_init()) WARN("Problem setting up sound!");
music_choose("load");
/* FPS stuff. */
fps_setPos( 15., (double)(gl_screen.h-15-gl_defFont.h) );
/* Misc graphics init */
if (nebu_init() != 0) { /* Initializes the nebula */
/* An error has happened */
ERR("Unable to initialize the Nebula subsystem!");
/* Weirdness will occur... */
}
gui_init(); /* initializes the GUI graphics */
toolkit_init(); /* initializes the toolkit */
map_init(); /* initializes the map. */
cond_init(); /* Initialize conditional subsystem. */
cli_init(); /* Initialize console. */
/* Data loading */
load_all();
/* Generate the CSV. */
if (conf.devcsv)
dev_csv();
/* Unload load screen. */
loadscreen_unload();
/* Start menu. */
menu_main();
/* Force a minimum delay with loading screen */
if ((SDL_GetTicks() - time_ms) < NAEV_INIT_DELAY)
SDL_Delay( NAEV_INIT_DELAY - (SDL_GetTicks() - time_ms) );
fps_init(); /* initializes the time_ms */
#if HAS_UNIX
/* Tell the player to migrate their configuration files out of ~/.naev */
/* TODO get rid of this cruft ASAP. */
if ((oldconfig) && (!conf.datapath)) {
char path[PATH_MAX], *script, *home;
uint32_t scriptsize;
int ret;
nsnprintf( path, PATH_MAX, "%s/naev-confupdate.sh", ndata_getDirname() );
home = SDL_getenv("HOME");
ret = dialogue_YesNo( "Warning", "Your configuration files are in a deprecated location and must be migrated:\n"
" \er%s/.naev/\e0\n\n"
"The update script can likely be found in your Naev data directory:\n"
" \er%s\e0\n\n"
"Would you like to run it automatically?", home, path );
/* Try to run the script. */
if (ret) {
ret = -1;
/* Running from ndata. */
if (ndata_getPath() != NULL) {
script = ndata_read( "naev-confupdate.sh", &scriptsize );
if (script != NULL)
ret = system(script);
}
/* Running from laid-out files or ndata_read failed. */
if ((nfile_fileExists(path)) && (ret == -1)) {
script = nfile_readFile( (int*)&scriptsize, path );
if (script != NULL)
ret = system(script);
}
/* We couldn't find the script. */
if (ret == -1) {
dialogue_alert( "The update script was not found at:\n\er%s\e0\n\n"
"Please locate and run it manually.", path );
}
/* Restart, as the script succeeded. */
else if (!ret) {
dialogue_msg( "Update Completed",
"Configuration files were successfully migrated. Naev will now restart." );
execv(argv[0], argv);
}
else { /* I sincerely hope this else is never hit. */
dialogue_alert( "The update script encountered an error. Please exit Naev and move your config and save files manually:\n\n"
"\er%s/%s\e0 =>\n \eD%s\e0\n\n"
"\er%s/%s\e0 =>\n \eD%s\e0\n\n"
"\er%s/%s\e0 =>\n \eD%snebula/\e0\n\n",
home, ".naev/conf.lua", nfile_configPath(),
home, ".naev/{saves,screenshots}/", nfile_dataPath(),
home, ".naev/gen/*.png", nfile_cachePath() );
}
}
else {
