src/main.cpp

   1 // -----------------------------------------------
   2 // KBall
   3 // -----------------------------------------------
   4 // By Kronoman
   5 // Copyright (c) 2003, 2004, Kronoman
   6 // In loving memory of my father
   7 // Made in Argentina
   8 // -----------------------------------------------
   9 // main.c
  10 // -----------------------------------------------
  11 // Start up code ; program entry point.
  12 // -----------------------------------------------
  13
  14 #include <allegro.h> // Allegro : http://alleg.sf.net/
  15 #include <aldumb.h>  // DUMB : http://dumb.sf.net/
  16
  17 #include <string.h> // for checking command line
  18
  19 #include "gerror.h" // error reporting
  20 #include "mapedit.h" // built in map editor -:^D
  21 #include "gamemenu.h" // game menu
  22 #include "intro.h"
  23 #include "mytracer.h"
  24
  25 class CMain
  26 {
  27 public:
  28         CMain()
  29         {
  30                 mtracer.add("CMain()::CMain()");
  31         }
  32         ~CMain()
  33         {
  34                 mtracer.add("CMain()::~CMain()");
  35         }
  36
  37         void start(bool want_map_editor);
  38
  39 private:
  40         CMyTracer mtracer; // debug tracer
  41         CGameMenu game_menu; // game menu(s)
  42         CMapEditor map_editor; // map editor
  43 };
  44
  45 void CMain::start(bool want_map_editor)
  46 {
  47         mtracer.add("CMain()::start()");
  48
  49         clear_bitmap(screen);
  50
  51         if (want_map_editor)
  52         {
  53                 mtracer.add("CMain::start()\n\tStarting map editor");
  54                 map_editor.start_map_editor();
  55         }
  56         else
  57         {
  58                 // DEBUG -- here you can construct a more complex loop, for using different stages
  59                 // like presentation, game menu, and game start, or just a menu, etc
  60
  61                 mtracer.add("CMain::start()\n\tStarting main menu");
  62                 game_menu.do_main_menu(); // main menu
  63         }
  64 }
  65
  66
  67 // --------------------------------------------------------
  68 // main()
  69 // Program entry point
  70 // --------------------------------------------------------
  71
  72
  73 int main(int argc, char *argv[] )
  74 {
  75         int i;
  76         int vid_m = GFX_AUTODETECT; // screen desired graphic mode
  77         int game_color_depth = -1;  // default color depth, -1 = autodetect from desktop default
  78         int vid_w = 640; // desired video resolution
  79         int vid_h = 480;
  80         bool want_sound = true; // want sound?
  81         bool want_map_editor = false; // want to use the map editor?
  82         int desk_bpp = 0;
  83
  84         CMyTracer mtracer; // debug tracer
  85         CMyTracer::DISABLE_TRACE = true; // by default, we not debug trace
  86
  87         allegro_init(); // init allegro
  88         atexit(&dumb_exit); // DUMB exit functions
  89
  90         // check command line parameters
  91         for (i=1; i < argc; i++)
  92         {
  93                 if (stricmp(argv[i], "-trace") == 0)
  94                         CMyTracer::DISABLE_TRACE = false; // enable debug tracer
  95
  96                 if (stricmp(argv[i], "-wn") == 0)
  97                         vid_m = GFX_AUTODETECT_WINDOWED;
  98
  99                 if (stricmp(argv[i], "-nosound") == 0)
 100                         want_sound = false;
 101
 102                 if (stricmp(argv[i], "-w") == 0)
 103                         vid_m = GFX_AUTODETECT_WINDOWED;
 104
 105                 if (stricmp(argv[i], "-f") == 0)
 106                         vid_m = GFX_AUTODETECT_FULLSCREEN;
 107
 108                 if (stricmp(argv[i], "-bpp16") == 0)
 109                         game_color_depth = 16;
 110
 111                 if (stricmp(argv[i], "-bpp15") == 0)
 112                         game_color_depth = 15;
 113
 114                 if (stricmp(argv[i], "-bpp32") == 0)
 115                         game_color_depth = 32;
 116
 117                 if (stricmp(argv[i], "-bpp24") == 0)
 118                         game_color_depth = 24;
 119
 120                 if (stricmp(argv[i], "-bpp8") == 0)
 121                 {
 122                         raise_error("main() : Sorry, this program don't support 8 bpp displays.\nThis program needs a true color display at %3d x %3d resolution.\nTip: Try removing the -bpp8 switch from the command line invocation.",  vid_w, vid_h);
 123                 }
 124
 125                 // development options
 126                 if (stricmp(argv[i], "-mapeditor") == 0)
 127                         want_map_editor = true; // use the map editor... cool
 128         }
 129
 130         // dumb_register_packfiles(); // DUMB will read from packfiles - NO NECESARIO, no cargo nada del disco, solo a traves de datafiles
 131
 132         // register DUMB music files -- DEBUG : registrar solo el formato que voy a usar!
 133         dumb_register_dat_it(DUMB_DAT_IT);
 134         dumb_register_dat_xm(DUMB_DAT_XM);
 135         dumb_register_dat_s3m(DUMB_DAT_S3M);
 136         dumb_register_dat_mod(DUMB_DAT_MOD);
 137
 138         set_window_title("KBall"); // setear nombre de la ventana :o
 139
 140         mtracer.add("\n--------------------------------------------------------\nmain() started\n");
 141
 142         desk_bpp = desktop_color_depth(); // using the same color depth as the host will make the game run faster
 143         if (desk_bpp != 8 && desk_bpp != 0 && game_color_depth == -1)
 144         {
 145                 // use the color depth of desktop
 146                 game_color_depth = desk_bpp;
 147         }
 148
 149         if (game_color_depth < 8)
 150                 game_color_depth = 16; // safe check
 151
 152         srand(time(NULL)); // init random numbers
 153
 154         if (install_timer() != 0)
 155                 raise_error("main() : can't install timer driver");
 156
 157         mtracer.add("\tTimer installed");
 158
 159         if (install_keyboard() != 0)
 160                 raise_error("main() : can't install keyboard driver");
 161
 162         install_mouse();
 163
 164         install_joystick(JOY_TYPE_AUTODETECT);
 165
 166         mtracer.add("\tInput devices installed");
 167
 168         if (want_sound)
 169         {
 170                 //if (install_sound(DIGI_AUTODETECT, MIDI_AUTODETECT, NULL) ) raise_error("install_sound() failed.\n'%s'\nTry disabling the sound with -nosound parameter.\n", allegro_error);
 171
 172                 reserve_voices(8, 0);
 173                 set_volume_per_voice(2); // warning - this may cause distortion
 174
 175                 mtracer.add("\tInstall sound");
 176                 if (!install_sound(DIGI_AUTODETECT, MIDI_NONE, NULL) )
 177                         mtracer.add("\t\tSound system OK!\n" );
 178                 else
 179                         mtracer.add("\t\tSound system FAILED! : %s", allegro_error);
 180
 181                 set_volume(255,-1);
 182                 //set_hardware_volume(255,-1);
 183         }
 184
 185
 186         // set graphics mode
 187         set_color_depth(game_color_depth);
 188
 189         mtracer.add("\tTrying to run in %3dx%3d@%2d bpp",vid_w, vid_h, game_color_depth);
 190
 191         if ( set_gfx_mode(vid_m, vid_w, vid_h, 0, 0) )
 192         {
 193                 set_color_depth(16);
 194                 if ( set_gfx_mode(vid_m, vid_w, vid_h, 0, 0) )
 195                 {
 196                         set_color_depth(15);
 197                         if ( set_gfx_mode(vid_m, vid_w, vid_h, 0, 0) )
 198                         {
 199                                 set_color_depth(32);
 200                                 if ( set_gfx_mode(vid_m, vid_w, vid_h, 0, 0) )
 201                                 {
 202                                         set_color_depth(24);
 203                                         if ( set_gfx_mode(vid_m, vid_w, vid_h, 0, 0) )
 204                                         {
 205                                                 raise_error("main() : I can't set the graphics mode (%3d x %3d @ %2d bpp)\nI also tried with 16 bpp, 15 bpp, 32 bpp and 24 bpp\n", vid_w, vid_h, game_color_depth);
 206                                         }
 207                                 }
 208                         }
 209                 }
 210         }
 211
 212         set_color_conversion(COLORCONV_TOTAL | COLORCONV_KEEP_TRANS);
 213         // I need software 3D code for this game, so I init the 3D scene system of Allegro - DEBUG
 214         mtracer.add("Starts 3D software rendered scene -> create_scene()");
 215         create_scene(4800,2000); // max n of edges and polygons to render - DEBUG - take care of this to see if the calculus is right
 216
 217         mtracer.add("-- Allegro start up code done --\n\nStarting CMain class");
 218
 219         kball_do_the_intro(); // INTRO OF GAME
 220
 221         textout_centre_ex(screen, font, "[   Please wait... loading...   ]", SCREEN_W/2, SCREEN_H/2, makecol(255,255,255), makecol(0,0,64));
 222
 223         CMain *cmain;
 224         cmain = new(CMain);
 225         cmain->start(want_map_editor);
 226         delete(cmain);
 227
 228         kball_do_the_exit(); // exit of game
 229
 230         mtracer.add("\nmain() finished");
 231
 232         // Release memory used by the 3D code -- DEBUG
 233         mtracer.add("Stops 3D software rendered scene -> destroy_scene()");
 234         destroy_scene();
 235
 236         return 0; // normal end of the program
 237 }
 238 END_OF_MAIN();