src/osapi/os_unix.cpp

   1 /*
   2  * Copyright (C) Volition, Inc. 1999.  All rights reserved.
   3  *
   4  * All source code herein is the property of Volition, Inc. You may not sell
   5  * or otherwise commercially exploit the source or things you created based on
   6  * the source.
   7  */
   8
   9 /*
  10  * $Logfile: /Freespace2/code/OsApi/OsApi.cpp $
  11  * $Revision$
  12  * $Date$
  13  * $Author$
  14  *
  15  * Low level Windows code
  16  *
  17  * $Log$
  18  * Revision 1.18  2005/10/01 21:49:11  taylor
  19  * don't use CTRL-Z for minimizing since it's an extrememly common key combo in the game
  20  *
  21  * Revision 1.17  2004/12/15 04:10:45  taylor
  22  * outwnd_unix.cpp from fs2_open for logging to file in debug mode
  23  * fixes for default function values
  24  * always use vm_* functions for sanity sake
  25  * make cfilearchiver 64-bit compatible
  26  * fix crash on exit from double free()
  27  * fix crash on startup from extra long GL extension string in debug
  28  *
  29  * Revision 1.16  2003/12/15 06:24:51  theoddone33
  30  * Bumpy ride... hang on.
  31  *
  32  * Revision 1.15  2003/08/03 15:56:59  taylor
  33  * simpler mouse usage; default ini settings in os_init(); cleanup
  34  *
  35  * Revision 1.14  2003/05/09 05:04:15  taylor
  36  * better window min/max/focus support
  37  *
  38  * Revision 1.13  2003/05/04 04:56:53  taylor
  39  * move SDL_Quit to os_deinit to fix fonttool segfault
  40  *
  41  * Revision 1.12  2003/02/20 17:41:07  theoddone33
  42  * Userdir patch from Taylor Richards
  43  *
  44  * Revision 1.11  2002/07/28 21:45:30  theoddone33
  45  * Add ctrl-z to iconify window
  46  *
  47  * Revision 1.10  2002/07/28 21:39:44  theoddone33
  48  * Add alt-enter to toggle fullscreen and ctrl-g to toggle mouse grabbing
  49  *
  50  * Revision 1.9  2002/06/16 23:59:31  relnev
  51  * untested joystick code
  52  *
  53  * Revision 1.8  2002/06/09 04:41:25  relnev
  54  * added copyright header
  55  *
  56  * Revision 1.7  2002/06/05 04:03:32  relnev
  57  * finished cfilesystem.
  58  *
  59  * removed some old code.
  60  *
  61  * fixed mouse save off-by-one.
  62  *
  63  * sound cleanups.
  64  *
  65  * Revision 1.6  2002/05/31 03:34:02  theoddone33
  66  * Fix Keyboard
  67  * Add titlebar
  68  *
  69  * Revision 1.5  2002/05/30 23:46:29  theoddone33
  70  * some minor key changes (not necessarily fixes)
  71  *
  72  * Revision 1.4  2002/05/30 16:50:24  theoddone33
  73  * Keyboard partially fixed
  74  *
  75  * Revision 1.3  2002/05/29 06:25:13  theoddone33
  76  * Keyboard input, mouse tracking now work
  77  *
  78  * Revision 1.2  2002/05/07 03:16:48  theoddone33
  79  * The Great Newline Fix
  80  *
  81  * Revision 1.1.1.1  2002/05/03 03:28:10  root
  82  * Initial import.
  83  *
  84  *
  85  * 7     6/30/99 5:53p Dave
  86  * Put in new anti-camper code.
  87  *
  88  * 6     6/03/99 6:37p Dave
  89  * More TNT fun. Made perspective bitmaps more flexible.
  90  *
  91  * 5     6/02/99 6:18p Dave
  92  * Fixed TNT lockup problems! Wheeeee!
  93  *
  94  * 4     12/18/98 1:13a Dave
  95  * Rough 1024x768 support for Direct3D. Proper detection and usage through
  96  * the launcher.
  97  *
  98  * 3     10/09/98 2:57p Dave
  99  * Starting splitting up OS stuff.
 100  *
 101  * 2     10/08/98 2:38p Dave
 102  * Cleanup up OsAPI code significantly. Removed old functions, centralized
 103  * registry functions.
 104  *
 105  * 118   7/10/98 5:04p Dave
 106  * Fix connection speed bug on standalone server.
 107  *
 108  * 117   5/24/98 2:28p Hoffoss
 109  * Because we never really care about if the left or the right shift or
 110  * alt key was used, but rather than either shift or alt was used, made
 111  * both map to the left one.  Solves some problems, causes none.
 112  *
 113  * 116   5/18/98 9:22p John
 114  * Took out the annoying tab check.
 115  *
 116  * 115   5/18/98 11:17a John
 117  * Fixed some bugs with software window and output window.
 118  *
 119  * 114   5/16/98 2:20p John
 120  * Changed the os_suspend and resume to use a critical section to prevent
 121  * threads from executing rather than just suspending the thread.  Had to
 122  * make sure gr_close was called before os_close.
 123  *
 124  * 113   5/15/98 4:49p John
 125  *
 126  * 112   5/15/98 3:36p John
 127  * Fixed bug with new graphics window code and standalone server.  Made
 128  * hwndApp not be a global anymore.
 129  *
 130  * 111   5/14/98 5:42p John
 131  * Revamped the whole window position/mouse code for the graphics windows.
 132  *
 133  * 110   5/04/98 11:08p Hoffoss
 134  * Expanded on Force Feedback code, and moved it all into Joy_ff.cpp.
 135  * Updated references everywhere to it.
 136  *
 137  * $NoKeywords: $
 138  */
 139
 140 #include "pstypes.h"
 141 #include "osapi.h"
 142 #include "key.h"
 143 #include "palman.h"
 144 #include "mouse.h"
 145 #include "outwnd.h"
 146 #include "2d.h"
 147 #include "cfile.h"
 148 #include "sound.h"
 149 #include "freespaceresource.h"
 150 #include "managepilot.h"
 151 #include "joy.h"
 152 #include "joy_ff.h"
 153 #include "gamesequence.h"
 154 #include "freespace.h"
 155 #include "osregistry.h"
 156 #include "cmdline.h"
 157
 158 // ----------------------------------------------------------------------------------------------------
 159 // OSAPI DEFINES/VARS
 160 //
 161
 162 // os-wide globals
 163 static int                      fAppActive = 1;
 164 //static int            main_window_inited = 0;         // not used (here)
 165 //static char           szWinTitle[128];                        // not used (here)
 166 //static char           szWinClass[128];                        // not used (here)
 167 //static int            WinX, WinY, WinW, WinH;         // not used (grsoft.cpp) in UNIX build
 168 static int                      Os_inited = 0;
 169
 170 static CRITICAL_SECTION Os_lock;
 171
 172 int Os_debugger_running = 0;
 173
 174 // ----------------------------------------------------------------------------------------------------
 175 // OSAPI FORWARD DECLARATIONS
 176 //
 177
 178 // Fills in the Os_debugger_running with non-zero if debugger detected.
 179 void os_check_debugger();
 180
 181 // called at shutdown. Makes sure all thread processing terminates.
 182 void os_deinit();
 183
 184
 185 // ----------------------------------------------------------------------------------------------------
 186 // OSAPI FUNCTIONS
 187 //
 188
 189 // initialization/shutdown functions -----------------------------------------------
 190
 191 // detect users home directory
 192 const char *detect_home(void)
 193 {
 194         return (getenv("HOME"));
 195 }
 196
 197 // If app_name is NULL or ommited, then TITLE is used
 198 // for the app name, which is where registry keys are stored.
 199 void os_init(const char *wclass, const char *title, const char *app_name, const char *version_string)
 200 {
 201 #ifndef NDEBUG
 202         outwnd_init(1);
 203 #endif
 204
 205         /* set some sane defaults since we don't have a laucher... */
 206         if (os_config_read_string(NULL, NOX("Videocard"), NULL) == NULL)
 207                 os_config_write_string(NULL, NOX("Videocard"), NOX("OpenGL (640x480)"));
 208
 209         if (os_config_read_string(NULL, NOX("NetworkConnection"), NULL) == NULL)
 210                 os_config_write_string(NULL, NOX("NetworkConnection"), NOX("lan"));
 211
 212         if (os_config_read_string(NULL, NOX("ConnectionSpeed"), NULL) == NULL)
 213                 os_config_write_string(NULL, NOX("ConnectionSpeed"), NOX("Slow"));
 214
 215         Os_inited = 1;
 216
 217         Os_lock = SDL_CreateMutex();
 218
 219         // check to see if we're running under msdev
 220         os_check_debugger();
 221
 222         atexit(os_deinit);
 223 }
 224
 225 // set the main window title
 226 void os_set_title( const char *title )
 227 {
 228         // the title is already set by SDL in gropengl.cpp
 229 }
 230
 231 // call at program end
 232 void os_cleanup()
 233 {
 234         STUB_FUNCTION;
 235
 236 #ifndef NDEBUG
 237                 outwnd_close();
 238 #endif
 239 }
 240
 241
 242 // window management -----------------------------------------------------------------
 243
 244 // Returns 0 if app is not the foreground app.
 245 int os_foreground()
 246 {
 247         return fAppActive;
 248 }
 249
 250 // Returns the handle to the main window
 251 uint os_get_window()
 252 {
 253 //      STUB_FUNCTION;  // not used/needed with UNIX builds?
 254         return 0;
 255 }
 256
 257
 258 // process management -----------------------------------------------------------------
 259
 260 // Sleeps for n milliseconds or until app becomes active.
 261 void os_sleep(int ms)
 262 {
 263         usleep(ms*1000);
 264 }
 265
 266 // Used to stop message processing
 267 void os_suspend()
 268 {
 269         ENTER_CRITICAL_SECTION(&Os_lock);
 270 }
 271
 272 // resume message processing
 273 void os_resume()
 274 {
 275         LEAVE_CRITICAL_SECTION(&Os_lock);
 276 }
 277
 278
 279 // ----------------------------------------------------------------------------------------------------
 280 // OSAPI FORWARD DECLARATIONS
 281 //
 282
 283 // Fills in the Os_debugger_running with non-zero if debugger detected.
 284 void os_check_debugger()
 285 {
 286 }
 287
 288 // called at shutdown. Makes sure all thread processing terminates.
 289 void os_deinit()
 290 {
 291         SDL_DestroyMutex(Os_lock);
 292
 293         SDL_Quit();
 294 }
 295
 296 extern void joy_mark_button(int btn, int state);
 297 extern int joystick_get_id();
 298 extern void joystick_update_axis(int axis, int value);
 299 extern SDL_Window *GL_window;
 300 extern void gr_opengl_set_viewport(int width, int height);
 301
 302 void os_poll()
 303 {
 304         SDL_Event e;
 305         int button, state;
 306
 307         while (SDL_PollEvent (&e)) {
 308                 switch (e.type) {
 309                         case SDL_MOUSEBUTTONDOWN:
 310                         case SDL_MOUSEBUTTONUP:
 311                                 if (e.motion.windowID > 0) {
 312                                         mouse_mark_button(e.button.button, e.button.state);
 313                                 }
 314                                 break;
 315
 316                         case SDL_MOUSEMOTION:
 317                                 if (e.motion.windowID > 0) {
 318                                         mouse_update_pos(e.motion.x, e.motion.y, e.motion.xrel, e.motion.yrel);
 319                                 }
 320                                 break;
 321
 322                         case SDL_TEXTINPUT:
 323                                 key_set_text_input((int)e.text.text[0]);
 324                                 break;
 325
 326                         case SDL_KEYDOWN:
 327                                 if (e.key.keysym.mod & KMOD_GUI) {
 328                                         if (e.key.keysym.sym == SDLK_f ) {
 329                                                 SDL_SetWindowFullscreen(GL_window, SDL_WINDOW_FULLSCREEN_DESKTOP);
 330                                         } else if (e.key.keysym.sym == SDLK_w) {
 331                                                 SDL_SetWindowFullscreen(GL_window, 0);
 332                                 //      } else if (e.key.keysym.sym == SDLK_z) {
 333                                 //              SDL_MinimizeWindow(GL_window);
 334                                         }
 335                                 } else {
 336                                         key_mark(e.key.keysym.scancode, 1, e.key.keysym.mod, 0);
 337                                 }
 338                                 break;
 339
 340                         case SDL_KEYUP:
 341                                 if (e.key.keysym.mod & KMOD_GUI) {
 342                                         // blank, just don't want to process up keys we skipped
 343                                         // the down for
 344                                 } else {
 345                                         key_mark(e.key.keysym.scancode, 0, e.key.keysym.mod, 0);
 346                                 }
 347                                 break;
 348 /*
 349                         case SDL_ACTIVEEVENT:
 350                                 if (e.active.state & SDL_APPACTIVE) {
 351                                         fAppActive = e.active.gain;
 352                                         gr_activate(fAppActive);
 353                                 }
 354                                 if (e.active.state & SDL_APPINPUTFOCUS) {
 355                                         gr_activate(e.active.gain);
 356                                 }
 357                                 break;
 358 */
 359                         case SDL_JOYAXISMOTION:
 360                                 if (e.jaxis.which == joystick_get_id()) {
 361                                         joystick_update_axis(e.jaxis.axis, e.jaxis.value);
 362                                 }
 363                                 break;
 364
 365                         case SDL_JOYBUTTONDOWN:
 366                         case SDL_JOYBUTTONUP:
 367                                 if (e.jbutton.which == joystick_get_id()) {
 368                                         state = (e.jbutton.state == SDL_PRESSED) ? 1 : 0;
 369                                         joy_mark_button((int)e.jbutton.button, state);
 370                                 }
 371                                 break;
 372
 373                         case SDL_JOYHATMOTION:
 374                                 if (e.jhat.which == joystick_get_id()) {
 375                                         // can only handle one hat
 376                                         if (e.jhat.hat == 0) {
 377                                                 switch (e.jhat.value) {
 378                                                         case SDL_HAT_UP:
 379                                                                 button = JOY_HATFORWARD;
 380                                                                 state = 1;
 381                                                                 break;
 382                                                         case SDL_HAT_DOWN:
 383                                                                 button = JOY_HATBACK;
 384                                                                 state = 1;
 385                                                                 break;
 386                                                         case SDL_HAT_LEFT:
 387                                                                 button = JOY_HATLEFT;
 388                                                                 state = 1;
 389                                                                 break;
 390                                                         case SDL_HAT_RIGHT:
 391                                                                 button = JOY_HATRIGHT;
 392                                                                 state = 1;
 393                                                                 break;
 394                                                         default:
 395                                                                 // special case - will toggle all hat positions off
 396                                                                 button = JOY_HATBACK;
 397                                                                 state = 0;
 398                                                                 break;
 399                                                 }
 400
 401                                                 joy_mark_button(button, state);
 402                                         }
 403                                 }
 404                                 break;
 405
 406                         case SDL_WINDOWEVENT:
 407                                 if (e.window.event == SDL_WINDOWEVENT_RESIZED) {
 408                                         gr_opengl_set_viewport(e.window.data1, e.window.data2);
 409                                 }
 410                                 break;
 411
 412                         default:
 413                                 break;
 414                 }
 415         }
 416 }
 417
 418 void debug_int3()
 419 {
 420         STUB_FUNCTION;
 421 }