4 // Copyright (C) 2005 Matthias Braun <matze@braunis.de>
6 // This program is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU General Public License
8 // as published by the Free Software Foundation; either version 2
9 // of the License, or (at your option) any later version.
11 // This program is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License
17 // along with this program; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
31 #include <sys/types.h>
37 #include <SDL_mixer.h>
38 #include <SDL_image.h>
39 #include <SDL_opengl.h>
41 #include "gameconfig.h"
42 #include "resources.h"
44 #include "audio/sound_manager.h"
45 #include "video/surface.h"
46 #include "control/joystickkeyboardcontroller.h"
49 #include "game_session.h"
50 #include "file_system.h"
51 #include "physfs/physfs_sdl.h"
53 SDL_Surface* screen = 0;
54 JoystickKeyboardController* main_controller = 0;
55 TinyGetText::DictionaryManager dictionary_manager;
57 static void init_config()
59 config = new Config();
62 } catch(std::exception& e) {
64 std::cerr << "Couldn't load config file: " << e.what() << "\n";
69 static void init_tinygettext()
71 dictionary_manager.add_directory("locale");
72 dictionary_manager.set_charset("UTF-8");
75 static void init_physfs(const char* argv0)
77 if(!PHYSFS_init(argv0)) {
78 std::stringstream msg;
79 msg << "Couldn't initialize physfs: " << PHYSFS_getLastError();
80 throw std::runtime_error(msg.str());
83 // Initialize physfs (this is a slightly modified version of
84 // PHYSFS_setSaneConfig
85 const char* application = PACKAGE_NAME;
86 const char* userdir = PHYSFS_getUserDir();
87 const char* dirsep = PHYSFS_getDirSeparator();
88 char* writedir = new char[strlen(userdir) + strlen(application) + 2];
90 // Set configuration directory
91 sprintf(writedir, "%s.%s", userdir, application);
92 if(!PHYSFS_setWriteDir(writedir)) {
93 // try to create the directory
94 char* mkdir = new char[strlen(application) + 2];
95 sprintf(mkdir, ".%s", application);
96 if(!PHYSFS_setWriteDir(userdir) || !PHYSFS_mkdir(mkdir)) {
97 std::ostringstream msg;
98 msg << "Failed creating configuration directory '"
99 << writedir << "': " << PHYSFS_getLastError();
102 throw std::runtime_error(msg.str());
106 if(!PHYSFS_setWriteDir(writedir)) {
107 std::ostringstream msg;
108 msg << "Failed to use configuration directory '"
109 << writedir << "': " << PHYSFS_getLastError();
111 throw std::runtime_error(msg.str());
114 PHYSFS_addToSearchPath(writedir, 0);
117 // Search for archives and add them to the search path
118 const char* archiveExt = "zip";
119 char** rc = PHYSFS_enumerateFiles("/");
120 size_t extlen = strlen(archiveExt);
122 for(char** i = rc; *i != 0; ++i) {
123 size_t l = strlen(*i);
124 if((l > extlen) && ((*i)[l - extlen - 1] == '.')) {
125 const char* ext = (*i) + (l - extlen);
126 if(strcasecmp(ext, archiveExt) == 0) {
127 const char* d = PHYSFS_getRealDir(*i);
128 char* str = new char[strlen(d) + strlen(dirsep) + l + 1];
129 sprintf(str, "%s%s%s", d, dirsep, *i);
130 PHYSFS_addToSearchPath(str, 1);
138 // when started from source dir...
139 std::string dir = PHYSFS_getBaseDir();
141 std::string testfname = dir;
142 testfname += "/credits.txt";
143 FILE* f = fopen(testfname.c_str(), "r");
146 if(!PHYSFS_addToSearchPath(dir.c_str(), 1)) {
147 std::cout << "Warning: Couldn't add '" << dir
148 << "' to physfs searchpath: " << PHYSFS_getLastError() << "\n";
152 #if defined(APPDATADIR) || defined(ENABLE_BINRELOC)
154 #ifdef ENABLE_BINRELOC
155 char* brdatadir = br_strcat(DATADIR, "/" PACKAGE_NAME);
159 datadir = APPDATADIR;
161 if(!PHYSFS_addToSearchPath(datadir.c_str(), 1)) {
162 std::cout << "Couldn't add '" << datadir
163 << "' to physfs searchpath: " << PHYSFS_getLastError() << "\n";
167 // allow symbolic links
168 PHYSFS_permitSymbolicLinks(1);
171 for(char** i = PHYSFS_getSearchPath(); *i != NULL; i++)
172 printf("[%s] is in the search path.\n", *i);
175 static void print_usage(const char* argv0)
177 fprintf(stderr, _("Usage: %s [OPTIONS] LEVELFILE\n\n"), argv0);
180 " -f, --fullscreen Run in fullscreen mode.\n"
181 " -w, --window Run in window mode.\n"
182 " -g, --geometry WIDTHxHEIGHT Run SuperTux in give resolution\n"
183 " --help Show this help message\n"
184 " --version Display SuperTux version and quit\n"
188 static void parse_commandline(int argc, char** argv)
190 for(int i = 1; i < argc; ++i) {
191 std::string arg = argv[i];
193 if(arg == "--fullscreen" || arg == "-f") {
194 config->use_fullscreen = true;
195 } else if(arg == "--window" || arg == "-w") {
196 config->use_fullscreen = false;
197 } else if(arg == "--geometry" || arg == "-g") {
199 print_usage(argv[0]);
200 throw std::runtime_error("Need to specify a parameter for geometry switch");
202 if(sscanf(argv[++i], "%dx%d", &config->screenwidth, &config->screenheight)
204 print_usage(argv[0]);
205 throw std::runtime_error("Invalid geometry spec, should be WIDTHxHEIGHT");
207 } else if(arg == "--show-fps") {
208 config->show_fps = true;
209 } else if(arg == "--play-demo") {
211 print_usage(argv[0]);
212 throw std::runtime_error("Need to specify a demo filename");
214 config->start_demo = argv[++i];
215 } else if(arg == "--record-demo") {
217 print_usage(argv[0]);
218 throw std::runtime_error("Need to specify a demo filename");
220 config->record_demo = argv[++i];
221 } else if(arg == "--help") {
222 print_usage(argv[0]);
223 throw std::runtime_error("");
224 } else if(arg == "--version") {
225 std::cerr << PACKAGE_NAME << " " << PACKAGE_VERSION << "\n";
226 throw std::runtime_error("");
227 } else if(arg[0] != '-') {
228 config->start_level = arg;
230 std::cerr << "Unknown option '" << arg << "'.\n";
231 std::cerr << "Use --help to see a list of options.\n";
235 // TODO joystick switchyes...
238 static void init_sdl()
240 if(SDL_Init(SDL_INIT_EVERYTHING) < 0) {
241 std::stringstream msg;
242 msg << "Couldn't initialize SDL: " << SDL_GetError();
243 throw std::runtime_error(msg.str());
246 SDL_EnableUNICODE(1);
248 // wait 100ms and clear SDL event queue because sometimes we have random
249 // joystick events in the queue on startup...
252 while(SDL_PollEvent(&dummy))
256 static void check_gl_error()
258 GLenum glerror = glGetError();
259 std::string errormsg;
261 if(glerror != GL_NO_ERROR) {
263 case GL_INVALID_ENUM:
264 errormsg = "Invalid enumeration value";
266 case GL_INVALID_VALUE:
267 errormsg = "Numeric argzment out of range";
269 case GL_INVALID_OPERATION:
270 errormsg = "Invalid operation";
272 case GL_STACK_OVERFLOW:
273 errormsg = "stack overflow";
275 case GL_STACK_UNDERFLOW:
276 errormsg = "stack underflow";
278 case GL_OUT_OF_MEMORY:
279 errormsg = "out of memory";
281 case GL_TABLE_TOO_LARGE:
282 errormsg = "table too large";
285 errormsg = "unknown error number";
288 std::stringstream msg;
289 msg << "OpenGL Error: " << errormsg;
290 throw std::runtime_error(msg.str());
296 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
297 SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
298 SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
299 SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
301 int flags = SDL_OPENGL;
302 if(config->use_fullscreen)
303 flags |= SDL_FULLSCREEN;
304 int width = config->screenwidth;
305 int height = config->screenheight;
308 screen = SDL_SetVideoMode(width, height, bpp, flags);
310 std::stringstream msg;
311 msg << "Couldn't set video mode (" << width << "x" << height
312 << "-" << bpp << "bpp): " << SDL_GetError();
313 throw std::runtime_error(msg.str());
316 SDL_WM_SetCaption(PACKAGE_NAME " " PACKAGE_VERSION, 0);
319 SDL_Surface* icon = IMG_Load_RW(
320 get_physfs_SDLRWops("images/engine/icons/supertux.xpm"), true);
322 SDL_WM_SetIcon(icon, 0);
323 SDL_FreeSurface(icon);
327 std::cerr << "Warning: Couldn't find icon 'images/engine/icons/supertux.xpm'.\n";
331 // setup opengl state and transform
332 glDisable(GL_DEPTH_TEST);
333 glDisable(GL_CULL_FACE);
335 glViewport(0, 0, screen->w, screen->h);
336 glMatrixMode(GL_PROJECTION);
338 // logical resolution here not real monitor resolution
339 glOrtho(0, 800, 600, 0, -1.0, 1.0);
340 glMatrixMode(GL_MODELVIEW);
342 glTranslatef(0, 0, 0);
346 Surface::reload_all();
349 static void init_audio()
351 sound_manager = new SoundManager();
353 int format = MIX_DEFAULT_FORMAT;
354 if(Mix_OpenAudio(config->audio_frequency, format, config->audio_channels,
355 config->audio_chunksize) < 0) {
356 std::cerr << "Couldn't initialize audio ("
357 << config->audio_frequency << "HZ, " << config->audio_channels
358 << " Channels, Format " << format << ", ChunkSize "
359 << config->audio_chunksize << "): " << SDL_GetError() << "\n";
362 sound_manager->set_audio_device_available(true);
363 sound_manager->enable_sound(config->sound_enabled);
364 sound_manager->enable_music(config->music_enabled);
366 if(Mix_AllocateChannels(config->audio_voices) < 0) {
367 std::cerr << "Couldn't allocate '" << config->audio_voices << "' audio voices: "
368 << SDL_GetError() << "\n";
373 static void quit_audio()
376 if(sound_manager->audio_device_available())
379 delete sound_manager;
384 void wait_for_event(float min_delay, float max_delay)
386 assert(min_delay <= max_delay);
388 Uint32 min = (Uint32) (min_delay * 1000);
389 Uint32 max = (Uint32) (max_delay * 1000);
395 while (SDL_PollEvent(&event))
399 bool running = false;
400 Uint32 ticks = SDL_GetTicks();
402 while(SDL_PollEvent(&event)) {
405 throw std::runtime_error("received window close");
407 case SDL_JOYBUTTONDOWN:
408 case SDL_MOUSEBUTTONDOWN:
412 if(SDL_GetTicks() - ticks >= (max - min))
418 int main(int argc, char** argv)
422 init_physfs(argv[0]);
424 main_controller = new JoystickKeyboardController();
427 parse_commandline(argc, argv);
433 if(config->start_level != "") {
434 // we have a normal path specified at commandline not physfs paths.
435 // So we simply mount that path here...
436 std::string dir = FileSystem::dirname(config->start_level);
437 PHYSFS_addToSearchPath(dir.c_str(), true);
439 FileSystem::basename(config->start_level), ST_GL_LOAD_LEVEL_FILE);
440 if(config->start_demo != "")
441 session.play_demo(config->start_demo);
442 if(config->record_demo != "")
443 session.record_demo(config->record_demo);
449 } catch(std::exception& e) {
450 std::cerr << "Unexpected exception: " << e.what() << std::endl;
453 std::cerr << "Unexpected exception." << std::endl;
460 Surface::debug_check();
467 delete main_controller;