Committing RandomGenerator patch from Allen King, with a few small changes
[supertux.git] / src / main.cpp
index fe54abb..8bf4657 100644 (file)
@@ -1,7 +1,7 @@
 //  $Id$
-// 
+//
 //  SuperTux
-//  Copyright (C) 2005 Matthias Braun <matze@braunis.de>
+//  Copyright (C) 2006 Matthias Braun <matze@braunis.de>
 //
 //  This program is free software; you can redistribute it and/or
 //  modify it under the terms of the GNU General Public License
@@ -12,7 +12,7 @@
 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 //  GNU General Public License for more details.
-// 
+//
 //  You should have received a copy of the GNU General Public License
 //  along with this program; if not, write to the Free Software
 //  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 #include "audio/sound_manager.hpp"
 #include "video/surface.hpp"
 #include "video/texture_manager.hpp"
+#include "video/glutil.hpp"
 #include "control/joystickkeyboardcontroller.hpp"
-#include "misc.hpp"
+#include "options_menu.hpp"
 #include "mainloop.hpp"
 #include "title.hpp"
 #include "game_session.hpp"
-#include "script_manager.hpp"
-#include "scripting/sound.hpp"
 #include "scripting/level.hpp"
-#include "scripting/wrapper_util.hpp"
+#include "scripting/squirrel_util.hpp"
 #include "file_system.hpp"
 #include "physfs/physfs_sdl.hpp"
+#include "random_generator.hpp"
 
 SDL_Surface* screen = 0;
 JoystickKeyboardController* main_controller = 0;
@@ -154,6 +154,23 @@ static void init_physfs(const char* argv0)
     }
   }
 
+#ifdef MACOSX
+  // when started from Application file on Mac OS X...
+  dir = PHYSFS_getBaseDir();
+  dir += "SuperTux.app/Contents/Resources/data";
+  testfname = dir + "/credits.txt";
+  sourcedir = false;
+  f = fopen(testfname.c_str(), "r");
+  if(f) {
+    fclose(f);
+    if(!PHYSFS_addToSearchPath(dir.c_str(), 1)) {
+      msg_warning << "Couldn't add '" << dir << "' to physfs searchpath: " << PHYSFS_getLastError() << std::endl;
+    } else {
+      sourcedir = true;
+    }
+  }
+#endif
+
   if(!sourcedir) {
 #if defined(APPDATADIR) || defined(ENABLE_BINRELOC)
     std::string datadir;
@@ -233,6 +250,8 @@ static bool parse_commandline(int argc, char** argv)
         throw std::runtime_error("Need to specify a demo filename");
       }
       config->record_demo = argv[++i];
+    } else if(arg == "-d") {
+      config->enable_script_debugger = true;
     } else if(arg == "--help") {
       print_usage(argv[0]);
       return true;
@@ -251,7 +270,7 @@ static bool parse_commandline(int argc, char** argv)
 
 static void init_sdl()
 {
-  if(SDL_Init(SDL_INIT_EVERYTHING) < 0) {
+  if(SDL_Init(SDL_INIT_TIMER | SDL_INIT_VIDEO | SDL_INIT_JOYSTICK) < 0) {
     std::stringstream msg;
     msg << "Couldn't initialize SDL: " << SDL_GetError();
     throw std::runtime_error(msg.str());
@@ -269,42 +288,13 @@ static void init_sdl()
       ;
 }
 
-static void check_gl_error()
+static void init_rand()
 {
-  GLenum glerror = glGetError();
-  std::string errormsg;
-  
-  if(glerror != GL_NO_ERROR) {
-    switch(glerror) {
-      case GL_INVALID_ENUM:
-        errormsg = "Invalid enumeration value";
-        break;
-      case GL_INVALID_VALUE:
-        errormsg = "Numeric argzment out of range";
-        break;
-      case GL_INVALID_OPERATION:
-        errormsg = "Invalid operation";
-        break;
-      case GL_STACK_OVERFLOW:
-        errormsg = "stack overflow";
-        break;
-      case GL_STACK_UNDERFLOW:
-        errormsg = "stack underflow";
-        break;
-      case GL_OUT_OF_MEMORY:
-        errormsg = "out of memory";
-        break;
-      case GL_TABLE_TOO_LARGE:
-        errormsg = "table too large";
-        break;
-      default:
-        errormsg = "unknown error number";
-        break;
-    }
-    std::stringstream msg;
-    msg << "OpenGL Error: " << errormsg;
-    throw std::runtime_error(msg.str());
-  }
+  const char *how = config->random_seed? ", user fixed.": ", from time().";
+
+  config->random_seed = systemRandom.srand(config->random_seed);
+
+  log_info << "Using random seed " << config->random_seed << how << std::endl;
 }
 
 void init_video()
@@ -363,7 +353,7 @@ void init_video()
   glLoadIdentity();
   glTranslatef(0, 0, 0);
 
-  check_gl_error();
+  check_gl_error("Setting up view matrices");
 
   if(texture_manager != NULL)
     texture_manager->reload_textures();
@@ -379,17 +369,6 @@ static void init_audio()
   sound_manager->enable_music(config->music_enabled);
 }
 
-static void init_scripting()
-{
-  ScriptManager::instance = new ScriptManager();
-
-  HSQUIRRELVM vm = ScriptManager::instance->get_vm();
-  sq_pushroottable(vm); 
-  expose_object(vm, -1, new Scripting::Sound(), "Sound", true);
-  expose_object(vm, -1, new Scripting::Level(), "Level", true);
-  sq_pop(vm, 1);
-}
-
 static void quit_audio()
 {
   if(sound_manager != NULL) {
@@ -464,9 +443,11 @@ int main(int argc, char** argv)
   int result = 0;
     
   try {
-    srand(time(0));
+    Console::instance = new Console();
+//  srand(time(0));            // this breaks repeatability in random numbers
     init_physfs(argv[0]);
     init_sdl();
+    
     timelog("controller");
     main_controller = new JoystickKeyboardController();    
     timelog("config");
@@ -480,12 +461,9 @@ int main(int argc, char** argv)
     init_audio();
     timelog("video");
     init_video();
-    Console::instance = new Console(); 
+    Console::instance->init_graphics(); 
     timelog("scripting");
-    init_scripting();
-
-    timelog("menu");
-    setup_menu();
+    Scripting::init_squirrel(config->enable_script_debugger);
     timelog("resources");
     load_shared(); 
     timelog(0);
@@ -496,19 +474,24 @@ int main(int argc, char** argv)
       // So we simply mount that path here...
       std::string dir = FileSystem::dirname(config->start_level);
       PHYSFS_addToSearchPath(dir.c_str(), true);
-      GameSession* session
-        = new GameSession(
-          FileSystem::basename(config->start_level), ST_GL_LOAD_LEVEL_FILE);
+
+      init_rand();        // play_demo sets seed, record_demo uses it
+
+      std::auto_ptr<GameSession> session
+        (new GameSession(FileSystem::basename(config->start_level)));
       if(config->start_demo != "")
         session->play_demo(config->start_demo);
+
       if(config->record_demo != "")
         session->record_demo(config->record_demo);
-      main_loop->push_screen(session);
+      main_loop->push_screen(session.release());
     } else {
+      init_rand();
       main_loop->push_screen(new TitleScreen());
     }
 
     main_loop->run();
+
   } catch(std::exception& e) {
     log_fatal << "Unexpected exception: " << e.what() << std::endl;
     result = 1;
@@ -520,9 +503,7 @@ int main(int argc, char** argv)
   delete main_loop;
   main_loop = NULL;
 
-  free_menu();
-  delete ScriptManager::instance;
-  ScriptManager::instance = NULL;
+  free_options_menu();
   unload_shared();
   quit_audio();
 
@@ -534,6 +515,7 @@ int main(int argc, char** argv)
   main_controller = NULL;
   delete Console::instance;
   Console::instance = NULL;
+  Scripting::exit_squirrel();
   delete texture_manager;
   texture_manager = NULL;
   SDL_Quit();