vid_sdl.c

   1 /*
   2 Copyright (C) 2003  T. Joseph Carter
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18 */
  19 #undef WIN32_LEAN_AND_MEAN  //hush a warning, SDL.h redefines this
  20 #include <SDL.h>
  21 #include <SDL_syswm.h>
  22 #include <stdio.h>
  23
  24 #include "quakedef.h"
  25 #include "image.h"
  26
  27 #ifdef MACOSX
  28 #include <Carbon/Carbon.h>
  29 #include <IOKit/hidsystem/IOHIDLib.h>
  30 #include <IOKit/hidsystem/IOHIDParameter.h>
  31 #include <IOKit/hidsystem/event_status_driver.h>
  32 static cvar_t apple_mouse_noaccel = {CVAR_SAVE, "apple_mouse_noaccel", "1", "disables mouse acceleration while DarkPlaces is active"};
  33 static qboolean vid_usingnoaccel;
  34 static double originalMouseSpeed = -1.0;
  35 io_connect_t IN_GetIOHandle(void)
  36 {
  37         io_connect_t iohandle = MACH_PORT_NULL;
  38         kern_return_t status;
  39         io_service_t iohidsystem = MACH_PORT_NULL;
  40         mach_port_t masterport;
  41
  42         status = IOMasterPort(MACH_PORT_NULL, &masterport);
  43         if(status != KERN_SUCCESS)
  44                 return 0;
  45
  46         iohidsystem = IORegistryEntryFromPath(masterport, kIOServicePlane ":/IOResources/IOHIDSystem");
  47         if(!iohidsystem)
  48                 return 0;
  49
  50         status = IOServiceOpen(iohidsystem, mach_task_self(), kIOHIDParamConnectType, &iohandle);
  51         IOObjectRelease(iohidsystem);
  52
  53         return iohandle;
  54 }
  55 #endif
  56
  57 #ifdef WIN32
  58 #define SDL_R_RESTART
  59 #endif
  60
  61 // Tell startup code that we have a client
  62 int cl_available = true;
  63
  64 qboolean vid_supportrefreshrate = false;
  65
  66 cvar_t joy_detected = {CVAR_READONLY, "joy_detected", "0", "number of joysticks detected by engine"};
  67 cvar_t joy_enable = {CVAR_SAVE, "joy_enable", "0", "enables joystick support"};
  68 cvar_t joy_index = {0, "joy_index", "0", "selects which joystick to use if you have multiple"};
  69 cvar_t joy_axisforward = {0, "joy_axisforward", "1", "which joystick axis to query for forward/backward movement"};
  70 cvar_t joy_axisside = {0, "joy_axisside", "0", "which joystick axis to query for right/left movement"};
  71 cvar_t joy_axisup = {0, "joy_axisup", "-1", "which joystick axis to query for up/down movement"};
  72 cvar_t joy_axispitch = {0, "joy_axispitch", "3", "which joystick axis to query for looking up/down"};
  73 cvar_t joy_axisyaw = {0, "joy_axisyaw", "2", "which joystick axis to query for looking right/left"};
  74 cvar_t joy_axisroll = {0, "joy_axisroll", "-1", "which joystick axis to query for tilting head right/left"};
  75 cvar_t joy_deadzoneforward = {0, "joy_deadzoneforward", "0", "deadzone tolerance, suggested values are in the range 0 to 0.01"};
  76 cvar_t joy_deadzoneside = {0, "joy_deadzoneside", "0", "deadzone tolerance, suggested values are in the range 0 to 0.01"};
  77 cvar_t joy_deadzoneup = {0, "joy_deadzoneup", "0", "deadzone tolerance, suggested values are in the range 0 to 0.01"};
  78 cvar_t joy_deadzonepitch = {0, "joy_deadzonepitch", "0", "deadzone tolerance, suggested values are in the range 0 to 0.01"};
  79 cvar_t joy_deadzoneyaw = {0, "joy_deadzoneyaw", "0", "deadzone tolerance, suggested values are in the range 0 to 0.01"};
  80 cvar_t joy_deadzoneroll = {0, "joy_deadzoneroll", "0", "deadzone tolerance, suggested values are in the range 0 to 0.01"};
  81 cvar_t joy_sensitivityforward = {0, "joy_sensitivityforward", "-1", "movement multiplier"};
  82 cvar_t joy_sensitivityside = {0, "joy_sensitivityside", "1", "movement multiplier"};
  83 cvar_t joy_sensitivityup = {0, "joy_sensitivityup", "1", "movement multiplier"};
  84 cvar_t joy_sensitivitypitch = {0, "joy_sensitivitypitch", "1", "movement multiplier"};
  85 cvar_t joy_sensitivityyaw = {0, "joy_sensitivityyaw", "-1", "movement multiplier"};
  86 cvar_t joy_sensitivityroll = {0, "joy_sensitivityroll", "1", "movement multiplier"};
  87 cvar_t joy_axiskeyevents = {CVAR_SAVE, "joy_axiskeyevents", "0", "generate uparrow/leftarrow etc. keyevents for joystick axes, use if your joystick driver is not generating them"};
  88
  89 static qboolean vid_usingmouse = false;
  90 static qboolean vid_usinghidecursor = false;
  91 static qboolean vid_isfullscreen;
  92 static int vid_numjoysticks = 0;
  93 #define MAX_JOYSTICKS 8
  94 static SDL_Joystick *vid_joysticks[MAX_JOYSTICKS];
  95
  96 static int win_half_width = 50;
  97 static int win_half_height = 50;
  98 static int video_bpp, video_flags;
  99
 100 static SDL_Surface *screen;
 101
 102 // joystick axes state
 103 #define MAX_JOYSTICK_AXES       16
 104 typedef struct
 105 {
 106         float oldmove;
 107         float move;
 108         double keytime;
 109 }joy_axiscache_t;
 110 static joy_axiscache_t joy_axescache[MAX_JOYSTICK_AXES];
 111
 112 /////////////////////////
 113 // Input handling
 114 ////
 115 //TODO: Add joystick support
 116 //TODO: Add error checking
 117
 118
 119 //keysym to quake keysym mapping
 120 #define tenoh   0,0,0,0,0, 0,0,0,0,0
 121 #define fiftyoh tenoh, tenoh, tenoh, tenoh, tenoh
 122 #define hundredoh fiftyoh, fiftyoh
 123 static unsigned int tbl_sdltoquake[] =
 124 {
 125         0,0,0,0,                //SDLK_UNKNOWN          = 0,
 126         0,0,0,0,                //SDLK_FIRST            = 0,
 127         K_BACKSPACE,    //SDLK_BACKSPACE        = 8,
 128         K_TAB,                  //SDLK_TAB                      = 9,
 129         0,0,
 130         0,                              //SDLK_CLEAR            = 12,
 131         K_ENTER,                //SDLK_RETURN           = 13,
 132     0,0,0,0,0,
 133         K_PAUSE,                //SDLK_PAUSE            = 19,
 134         0,0,0,0,0,0,0,
 135         K_ESCAPE,               //SDLK_ESCAPE           = 27,
 136         0,0,0,0,
 137         K_SPACE,                //SDLK_SPACE            = 32,
 138         '!',                    //SDLK_EXCLAIM          = 33,
 139         '"',                    //SDLK_QUOTEDBL         = 34,
 140         '#',                    //SDLK_HASH                     = 35,
 141         '$',                    //SDLK_DOLLAR           = 36,
 142         0,
 143         '&',                    //SDLK_AMPERSAND        = 38,
 144         '\'',                   //SDLK_QUOTE            = 39,
 145         '(',                    //SDLK_LEFTPAREN        = 40,
 146         ')',                    //SDLK_RIGHTPAREN       = 41,
 147         '*',                    //SDLK_ASTERISK         = 42,
 148         '+',                    //SDLK_PLUS                     = 43,
 149         ',',                    //SDLK_COMMA            = 44,
 150         '-',                    //SDLK_MINUS            = 45,
 151         '.',                    //SDLK_PERIOD           = 46,
 152         '/',                    //SDLK_SLASH            = 47,
 153         '0',                    //SDLK_0                        = 48,
 154         '1',                    //SDLK_1                        = 49,
 155         '2',                    //SDLK_2                        = 50,
 156         '3',                    //SDLK_3                        = 51,
 157         '4',                    //SDLK_4                        = 52,
 158         '5',                    //SDLK_5                        = 53,
 159         '6',                    //SDLK_6                        = 54,
 160         '7',                    //SDLK_7                        = 55,
 161         '8',                    //SDLK_8                        = 56,
 162         '9',                    //SDLK_9                        = 57,
 163         ':',                    //SDLK_COLON            = 58,
 164         ';',                    //SDLK_SEMICOLON        = 59,
 165         '<',                    //SDLK_LESS                     = 60,
 166         '=',                    //SDLK_EQUALS           = 61,
 167         '>',                    //SDLK_GREATER          = 62,
 168         '?',                    //SDLK_QUESTION         = 63,
 169         '@',                    //SDLK_AT                       = 64,
 170         0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 171         '[',            //SDLK_LEFTBRACKET      = 91,
 172         '\\',           //SDLK_BACKSLASH        = 92,
 173         ']',            //SDLK_RIGHTBRACKET     = 93,
 174         '^',            //SDLK_CARET            = 94,
 175         '_',            //SDLK_UNDERSCORE       = 95,
 176         '`',            //SDLK_BACKQUOTE        = 96,
 177         'a',            //SDLK_a                        = 97,
 178         'b',            //SDLK_b                        = 98,
 179         'c',            //SDLK_c                        = 99,
 180         'd',            //SDLK_d                        = 100,
 181         'e',            //SDLK_e                        = 101,
 182         'f',            //SDLK_f                        = 102,
 183         'g',            //SDLK_g                        = 103,
 184         'h',            //SDLK_h                        = 104,
 185         'i',            //SDLK_i                        = 105,
 186         'j',            //SDLK_j                        = 106,
 187         'k',            //SDLK_k                        = 107,
 188         'l',            //SDLK_l                        = 108,
 189         'm',            //SDLK_m                        = 109,
 190         'n',            //SDLK_n                        = 110,
 191         'o',            //SDLK_o                        = 111,
 192         'p',            //SDLK_p                        = 112,
 193         'q',            //SDLK_q                        = 113,
 194         'r',            //SDLK_r                        = 114,
 195         's',            //SDLK_s                        = 115,
 196         't',            //SDLK_t                        = 116,
 197         'u',            //SDLK_u                        = 117,
 198         'v',            //SDLK_v                        = 118,
 199         'w',            //SDLK_w                        = 119,
 200         'x',            //SDLK_x                        = 120,
 201         'y',            //SDLK_y                        = 121,
 202         'z',            //SDLK_z                        = 122,
 203         0,0,0,0,
 204         K_DEL,          //SDLK_DELETE           = 127,
 205         hundredoh /*227*/, tenoh, tenoh, 0,0,0,0,0,0,0,0,
 206         K_KP_0,         //SDLK_KP0              = 256,
 207         K_KP_1,         //SDLK_KP1              = 257,
 208         K_KP_2,         //SDLK_KP2              = 258,
 209         K_KP_3,         //SDLK_KP3              = 259,
 210         K_KP_4,         //SDLK_KP4              = 260,
 211         K_KP_5,         //SDLK_KP5              = 261,
 212         K_KP_6,         //SDLK_KP6              = 262,
 213         K_KP_7,         //SDLK_KP7              = 263,
 214         K_KP_8,         //SDLK_KP8              = 264,
 215         K_KP_9,         //SDLK_KP9              = 265,
 216         K_KP_PERIOD,//SDLK_KP_PERIOD    = 266,
 217         K_KP_DIVIDE,//SDLK_KP_DIVIDE    = 267,
 218         K_KP_MULTIPLY,//SDLK_KP_MULTIPLY= 268,
 219         K_KP_MINUS,     //SDLK_KP_MINUS         = 269,
 220         K_KP_PLUS,      //SDLK_KP_PLUS          = 270,
 221         K_KP_ENTER,     //SDLK_KP_ENTER         = 271,
 222         K_KP_EQUALS,//SDLK_KP_EQUALS    = 272,
 223         K_UPARROW,      //SDLK_UP               = 273,
 224         K_DOWNARROW,//SDLK_DOWN         = 274,
 225         K_RIGHTARROW,//SDLK_RIGHT       = 275,
 226         K_LEFTARROW,//SDLK_LEFT         = 276,
 227         K_INS,          //SDLK_INSERT   = 277,
 228         K_HOME,         //SDLK_HOME             = 278,
 229         K_END,          //SDLK_END              = 279,
 230         K_PGUP,         //SDLK_PAGEUP   = 280,
 231         K_PGDN,         //SDLK_PAGEDOWN = 281,
 232         K_F1,           //SDLK_F1               = 282,
 233         K_F2,           //SDLK_F2               = 283,
 234         K_F3,           //SDLK_F3               = 284,
 235         K_F4,           //SDLK_F4               = 285,
 236         K_F5,           //SDLK_F5               = 286,
 237         K_F6,           //SDLK_F6               = 287,
 238         K_F7,           //SDLK_F7               = 288,
 239         K_F8,           //SDLK_F8               = 289,
 240         K_F9,           //SDLK_F9               = 290,
 241         K_F10,          //SDLK_F10              = 291,
 242         K_F11,          //SDLK_F11              = 292,
 243         K_F12,          //SDLK_F12              = 293,
 244         0,                      //SDLK_F13              = 294,
 245         0,                      //SDLK_F14              = 295,
 246         0,                      //SDLK_F15              = 296,
 247         0,0,0,
 248         K_NUMLOCK,      //SDLK_NUMLOCK  = 300,
 249         K_CAPSLOCK,     //SDLK_CAPSLOCK = 301,
 250         K_SCROLLOCK,//SDLK_SCROLLOCK= 302,
 251         K_SHIFT,        //SDLK_RSHIFT   = 303,
 252         K_SHIFT,        //SDLK_LSHIFT   = 304,
 253         K_CTRL,         //SDLK_RCTRL    = 305,
 254         K_CTRL,         //SDLK_LCTRL    = 306,
 255         K_ALT,          //SDLK_RALT             = 307,
 256         K_ALT,          //SDLK_LALT             = 308,
 257         0,                      //SDLK_RMETA    = 309,
 258         0,                      //SDLK_LMETA    = 310,
 259         0,                      //SDLK_LSUPER   = 311,          /* Left "Windows" key */
 260         0,                      //SDLK_RSUPER   = 312,          /* Right "Windows" key */
 261         K_ALT,                  //SDLK_MODE             = 313,          /* "Alt Gr" key */
 262         0,                      //SDLK_COMPOSE  = 314,          /* Multi-key compose key */
 263         0,                      //SDLK_HELP             = 315,
 264         0,                      //SDLK_PRINT    = 316,
 265         0,                      //SDLK_SYSREQ   = 317,
 266         K_PAUSE,        //SDLK_BREAK    = 318,
 267         0,                      //SDLK_MENU             = 319,
 268         0,                      //SDLK_POWER    = 320,          /* Power Macintosh power key */
 269         'e',            //SDLK_EURO             = 321,          /* Some european keyboards */
 270         0                       //SDLK_UNDO             = 322,          /* Atari keyboard has Undo */
 271 };
 272 #undef tenoh
 273 #undef fiftyoh
 274 #undef hundredoh
 275
 276 static int MapKey( unsigned int sdlkey )
 277 {
 278         if( sdlkey > sizeof(tbl_sdltoquake)/ sizeof(int) )
 279                 return 0;
 280     return tbl_sdltoquake[ sdlkey ];
 281 }
 282
 283 void VID_SetMouse(qboolean fullscreengrab, qboolean relative, qboolean hidecursor)
 284 {
 285 #ifdef MACOSX
 286         if(relative)
 287                 if(vid_usingmouse && (vid_usingnoaccel != !!apple_mouse_noaccel.integer))
 288                         VID_SetMouse(false, false, false); // ungrab first!
 289 #endif
 290         if (vid_usingmouse != relative)
 291         {
 292                 vid_usingmouse = relative;
 293                 cl_ignoremousemoves = 2;
 294                 SDL_WM_GrabInput( relative ? SDL_GRAB_ON : SDL_GRAB_OFF );
 295 #ifdef MACOSX
 296                 if(relative)
 297                 {
 298                         // Save the status of mouse acceleration
 299                         originalMouseSpeed = -1.0; // in case of error
 300                         if(apple_mouse_noaccel.integer)
 301                         {
 302                                 io_connect_t mouseDev = IN_GetIOHandle();
 303                                 if(mouseDev != 0)
 304                                 {
 305                                         if(IOHIDGetAccelerationWithKey(mouseDev, CFSTR(kIOHIDMouseAccelerationType), &originalMouseSpeed) == kIOReturnSuccess)
 306                                         {
 307                                                 Con_DPrintf("previous mouse acceleration: %f\n", originalMouseSpeed);
 308                                                 if(IOHIDSetAccelerationWithKey(mouseDev, CFSTR(kIOHIDMouseAccelerationType), -1.0) != kIOReturnSuccess)
 309                                                 {
 310                                                         Con_Print("Could not disable mouse acceleration (failed at IOHIDSetAccelerationWithKey).\n");
 311                                                         Cvar_SetValueQuick(&apple_mouse_noaccel, 0);
 312                                                 }
 313                                         }
 314                                         else
 315                                         {
 316                                                 Con_Print("Could not disable mouse acceleration (failed at IOHIDGetAccelerationWithKey).\n");
 317                                                 Cvar_SetValueQuick(&apple_mouse_noaccel, 0);
 318                                         }
 319                                         IOServiceClose(mouseDev);
 320                                 }
 321                                 else
 322                                 {
 323                                         Con_Print("Could not disable mouse acceleration (failed at IO_GetIOHandle).\n");
 324                                         Cvar_SetValueQuick(&apple_mouse_noaccel, 0);
 325                                 }
 326                         }
 327
 328                         vid_usingnoaccel = !!apple_mouse_noaccel.integer;
 329                 }
 330                 else
 331                 {
 332                         if(originalMouseSpeed != -1.0)
 333                         {
 334                                 io_connect_t mouseDev = IN_GetIOHandle();
 335                                 if(mouseDev != 0)
 336                                 {
 337                                         Con_DPrintf("restoring mouse acceleration to: %f\n", originalMouseSpeed);
 338                                         if(IOHIDSetAccelerationWithKey(mouseDev, CFSTR(kIOHIDMouseAccelerationType), originalMouseSpeed) != kIOReturnSuccess)
 339                                                 Con_Print("Could not re-enable mouse acceleration (failed at IOHIDSetAccelerationWithKey).\n");
 340                                         IOServiceClose(mouseDev);
 341                                 }
 342                                 else
 343                                         Con_Print("Could not re-enable mouse acceleration (failed at IO_GetIOHandle).\n");
 344                         }
 345                 }
 346 #endif
 347         }
 348         if (vid_usinghidecursor != hidecursor)
 349         {
 350                 vid_usinghidecursor = hidecursor;
 351                 SDL_ShowCursor( hidecursor ? SDL_DISABLE : SDL_ENABLE);
 352         }
 353 }
 354
 355 static double IN_JoystickGetAxis(SDL_Joystick *joy, int axis, double sensitivity, double deadzone)
 356 {
 357         double value;
 358         if (axis < 0 || axis >= SDL_JoystickNumAxes(joy))
 359                 return 0; // no such axis on this joystick
 360         value = SDL_JoystickGetAxis(joy, axis) * (1.0 / 32767.0);
 361         value = bound(-1, value, 1);
 362         if (fabs(value) < deadzone)
 363                 return 0; // within deadzone around center
 364         return value * sensitivity;
 365 }
 366
 367 /////////////////////
 368 // Joystick axis keyevents
 369 // a sort of hack emulating Arrow keys for joystick axises
 370 // as some drives dont send such keyevents for them
 371 // additionally we should block drivers that do send arrow keyevents to prevent double events
 372 ////
 373
 374 static void IN_JoystickKeyeventForAxis(SDL_Joystick *joy, int axis, int key_pos, int key_neg)
 375 {
 376         double joytime;
 377
 378         if (axis < 0 || axis >= SDL_JoystickNumAxes(joy))
 379                 return; // no such axis on this joystick
 380
 381         joytime = Sys_DoubleTime();
 382         // no key event, continuous keydown event
 383         if (joy_axescache[axis].move == joy_axescache[axis].oldmove)
 384         {
 385                 if (joy_axescache[axis].move != 0 && joytime > joy_axescache[axis].keytime)
 386                 {
 387                         //Con_Printf("joy %s %i %f\n", Key_KeynumToString((joy_axescache[axis].move > 0) ? key_pos : key_neg), 1, cl.time);
 388                         Key_Event((joy_axescache[axis].move > 0) ? key_pos : key_neg, 0, 1);
 389                         joy_axescache[axis].keytime = joytime + 0.5 / 20;
 390                 }
 391                 return;
 392         }
 393         // generate key up event
 394         if (joy_axescache[axis].oldmove)
 395         {
 396                 //Con_Printf("joy %s %i %f\n", Key_KeynumToString((joy_axescache[axis].oldmove > 0) ? key_pos : key_neg), 1, cl.time);
 397                 Key_Event((joy_axescache[axis].oldmove > 0) ? key_pos : key_neg, 0, 0);
 398         }
 399         // generate key down event
 400         if (joy_axescache[axis].move)
 401         {
 402                 //Con_Printf("joy %s %i %f\n", Key_KeynumToString((joy_axescache[axis].move > 0) ? key_pos : key_neg), 1, cl.time);
 403                 Key_Event((joy_axescache[axis].move > 0) ? key_pos : key_neg, 0, 1);
 404                 joy_axescache[axis].keytime = joytime + 0.5;
 405         }
 406 }
 407
 408 static qboolean IN_JoystickBlockDoubledKeyEvents(int keycode)
 409 {
 410         if (!joy_axiskeyevents.integer)
 411                 return false;
 412
 413         // block keyevent if it's going to be provided by joystick keyevent system
 414         if (vid_numjoysticks && joy_enable.integer && joy_index.integer >= 0 && joy_index.integer < vid_numjoysticks)
 415         {
 416                 SDL_Joystick *joy = vid_joysticks[joy_index.integer];
 417
 418                 if (keycode == K_UPARROW || keycode == K_DOWNARROW)
 419                         if (IN_JoystickGetAxis(joy, joy_axisforward.integer, 1, 0.01) || joy_axescache[joy_axisforward.integer].move || joy_axescache[joy_axisforward.integer].oldmove)
 420                                 return true;
 421                 if (keycode == K_RIGHTARROW || keycode == K_LEFTARROW)
 422                         if (IN_JoystickGetAxis(joy, joy_axisside.integer, 1, 0.01) || joy_axescache[joy_axisside.integer].move || joy_axescache[joy_axisside.integer].oldmove)
 423                                 return true;
 424         }
 425
 426         return false;
 427 }
 428
 429 /////////////////////
 430 // Movement handling
 431 ////
 432
 433 void IN_Move( void )
 434 {
 435         int j;
 436         static int old_x = 0, old_y = 0;
 437         static int stuck = 0;
 438         int x, y, numaxes, numballs;
 439
 440         if (vid_usingmouse)
 441         {
 442                 if(vid_stick_mouse.integer)
 443                 {
 444                         // have the mouse stuck in the middle, example use: prevent expose effect of beryl during the game when not using
 445                         // window grabbing. --blub
 446
 447                         // we need 2 frames to initialize the center position
 448                         if(!stuck)
 449                         {
 450                                 SDL_WarpMouse(win_half_width, win_half_height);
 451                                 SDL_GetMouseState(&x, &y);
 452                                 SDL_GetRelativeMouseState(&x, &y);
 453                                 ++stuck;
 454                         } else {
 455                                 SDL_GetRelativeMouseState(&x, &y);
 456                                 in_mouse_x = x + old_x;
 457                                 in_mouse_y = y + old_y;
 458                                 SDL_GetMouseState(&x, &y);
 459                                 old_x = x - win_half_width;
 460                                 old_y = y - win_half_height;
 461                                 SDL_WarpMouse(win_half_width, win_half_height);
 462                         }
 463                 } else {
 464                         SDL_GetRelativeMouseState( &x, &y );
 465                         in_mouse_x = x;
 466                         in_mouse_y = y;
 467                 }
 468         }
 469
 470         SDL_GetMouseState(&x, &y);
 471         in_windowmouse_x = x;
 472         in_windowmouse_y = y;
 473
 474         if (vid_numjoysticks && joy_enable.integer && joy_index.integer >= 0 && joy_index.integer < vid_numjoysticks)
 475         {
 476                 SDL_Joystick *joy = vid_joysticks[joy_index.integer];
 477
 478                 // balls convert to mousemove
 479                 numballs = SDL_JoystickNumBalls(joy);
 480                 for (j = 0;j < numballs;j++)
 481                 {
 482                         SDL_JoystickGetBall(joy, j, &x, &y);
 483                         in_mouse_x += x;
 484                         in_mouse_y += y;
 485                 }
 486
 487                 // axes
 488                 cl.cmd.forwardmove += IN_JoystickGetAxis(joy, joy_axisforward.integer, joy_sensitivityforward.value, joy_deadzoneforward.value) * cl_forwardspeed.value;
 489                 cl.cmd.sidemove    += IN_JoystickGetAxis(joy, joy_axisside.integer, joy_sensitivityside.value, joy_deadzoneside.value) * cl_sidespeed.value;
 490                 cl.cmd.upmove      += IN_JoystickGetAxis(joy, joy_axisup.integer, joy_sensitivityup.value, joy_deadzoneup.value) * cl_upspeed.value;
 491                 cl.viewangles[0]   += IN_JoystickGetAxis(joy, joy_axispitch.integer, joy_sensitivitypitch.value, joy_deadzonepitch.value) * cl.realframetime * cl_pitchspeed.value;
 492                 cl.viewangles[1]   += IN_JoystickGetAxis(joy, joy_axisyaw.integer, joy_sensitivityyaw.value, joy_deadzoneyaw.value) * cl.realframetime * cl_yawspeed.value;
 493                 //cl.viewangles[2]   += IN_JoystickGetAxis(joy, joy_axisroll.integer, joy_sensitivityroll.value, joy_deadzoneroll.value) * cl.realframetime * cl_rollspeed.value;
 494
 495                 // cache state of axes to emulate button events for them
 496                 numaxes = min(MAX_JOYSTICK_AXES, SDL_JoystickNumAxes(joy));
 497                 for (j = 0; j < numaxes; j++)
 498                 {
 499                         joy_axescache[j].oldmove = joy_axescache[j].move;
 500                         joy_axescache[j].move = IN_JoystickGetAxis(joy, j, 1, 0.01);
 501                 }
 502
 503                 // run keyevents
 504                 if (joy_axiskeyevents.integer)
 505                 {
 506                         IN_JoystickKeyeventForAxis(joy, joy_axisforward.integer, K_DOWNARROW, K_UPARROW);
 507                         IN_JoystickKeyeventForAxis(joy, joy_axisside.integer, K_RIGHTARROW, K_LEFTARROW);
 508                 }
 509         }
 510 }
 511
 512 /////////////////////
 513 // Message Handling
 514 ////
 515
 516 static int Sys_EventFilter( SDL_Event *event )
 517 {
 518         //TODO: Add a quit query in linux, too - though linux user are more likely to know what they do
 519         if (event->type == SDL_QUIT)
 520         {
 521 #ifdef WIN32
 522                 if (MessageBox( NULL, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION ) == IDNO)
 523                         return 0;
 524 #endif
 525         }
 526         return 1;
 527 }
 528
 529 #ifdef SDL_R_RESTART
 530 static qboolean sdl_needs_restart;
 531 static void sdl_start(void)
 532 {
 533 }
 534 static void sdl_shutdown(void)
 535 {
 536         sdl_needs_restart = false;
 537 }
 538 static void sdl_newmap(void)
 539 {
 540 }
 541 #endif
 542
 543 static keynum_t buttonremap[18] =
 544 {
 545         K_MOUSE1,
 546         K_MOUSE3,
 547         K_MOUSE2,
 548         K_MWHEELUP,
 549         K_MWHEELDOWN,
 550         K_MOUSE4,
 551         K_MOUSE5,
 552         K_MOUSE6,
 553         K_MOUSE7,
 554         K_MOUSE8,
 555         K_MOUSE9,
 556         K_MOUSE10,
 557         K_MOUSE11,
 558         K_MOUSE12,
 559         K_MOUSE13,
 560         K_MOUSE14,
 561         K_MOUSE15,
 562         K_MOUSE16,
 563 };
 564
 565 void Sys_SendKeyEvents( void )
 566 {
 567         static qboolean sound_active = true;
 568         int keycode;
 569         SDL_Event event;
 570
 571         while( SDL_PollEvent( &event ) )
 572                 switch( event.type ) {
 573                         case SDL_QUIT:
 574                                 Sys_Quit(0);
 575                                 break;
 576                         case SDL_KEYDOWN:
 577                         case SDL_KEYUP:
 578                                 keycode = MapKey(event.key.keysym.sym);
 579                                 if (!IN_JoystickBlockDoubledKeyEvents(keycode))
 580                                         Key_Event(keycode, event.key.keysym.unicode, (event.key.state == SDL_PRESSED));
 581                                 break;
 582                         case SDL_ACTIVEEVENT:
 583                                 if( event.active.state & SDL_APPACTIVE )
 584                                 {
 585                                         if( event.active.gain )
 586                                                 vid_hidden = false;
 587                                         else
 588                                                 vid_hidden = true;
 589                                 }
 590                                 break;
 591                         case SDL_MOUSEBUTTONDOWN:
 592                         case SDL_MOUSEBUTTONUP:
 593                                 if (event.button.button <= 18)
 594                                         Key_Event( buttonremap[event.button.button - 1], 0, event.button.state == SDL_PRESSED );
 595                                 break;
 596                         case SDL_JOYBUTTONDOWN:
 597                                 if (!joy_enable.integer)
 598                                         break; // ignore down events if joystick has been disabled
 599                         case SDL_JOYBUTTONUP:
 600                                 if (event.jbutton.button < 48)
 601                                         Key_Event( event.jbutton.button + (event.jbutton.button < 16 ? K_JOY1 : K_AUX1 - 16), 0, (event.jbutton.state == SDL_PRESSED) );
 602                                 break;
 603                         case SDL_VIDEORESIZE:
 604                                 if(vid_resizable.integer < 2)
 605                                 {
 606                                         vid.width = event.resize.w;
 607                                         vid.height = event.resize.h;
 608                                         SDL_SetVideoMode(vid.width, vid.height, video_bpp, video_flags);
 609 #ifdef SDL_R_RESTART
 610                                         // better not call R_Modules_Restart from here directly, as this may wreak havoc...
 611                                         // so, let's better queue it for next frame
 612                                         if(!sdl_needs_restart)
 613                                         {
 614                                                 Cbuf_AddText("\nr_restart\n");
 615                                                 sdl_needs_restart = true;
 616                                         }
 617 #endif
 618                                 }
 619                                 break;
 620                 }
 621
 622         // enable/disable sound on focus gain/loss
 623         if ((!vid_hidden && vid_activewindow) || !snd_mutewhenidle.integer)
 624         {
 625                 if (!sound_active)
 626                 {
 627                         S_UnblockSound ();
 628                         sound_active = true;
 629                 }
 630         }
 631         else
 632         {
 633                 if (sound_active)
 634                 {
 635                         S_BlockSound ();
 636                         sound_active = false;
 637                 }
 638         }
 639 }
 640
 641 /////////////////
 642 // Video system
 643 ////
 644
 645 void *GL_GetProcAddress(const char *name)
 646 {
 647         void *p = NULL;
 648         p = SDL_GL_GetProcAddress(name);
 649         return p;
 650 }
 651
 652 static int Sys_EventFilter( SDL_Event *event );
 653 static qboolean vid_sdl_initjoysticksystem = false;
 654
 655 void VID_Init (void)
 656 {
 657 #ifdef MACOSX
 658         Cvar_RegisterVariable(&apple_mouse_noaccel);
 659 #endif
 660         Cvar_RegisterVariable(&joy_detected);
 661         Cvar_RegisterVariable(&joy_enable);
 662         Cvar_RegisterVariable(&joy_index);
 663         Cvar_RegisterVariable(&joy_axisforward);
 664         Cvar_RegisterVariable(&joy_axisside);
 665         Cvar_RegisterVariable(&joy_axisup);
 666         Cvar_RegisterVariable(&joy_axispitch);
 667         Cvar_RegisterVariable(&joy_axisyaw);
 668         //Cvar_RegisterVariable(&joy_axisroll);
 669         Cvar_RegisterVariable(&joy_deadzoneforward);
 670         Cvar_RegisterVariable(&joy_deadzoneside);
 671         Cvar_RegisterVariable(&joy_deadzoneup);
 672         Cvar_RegisterVariable(&joy_deadzonepitch);
 673         Cvar_RegisterVariable(&joy_deadzoneyaw);
 674         //Cvar_RegisterVariable(&joy_deadzoneroll);
 675         Cvar_RegisterVariable(&joy_sensitivityforward);
 676         Cvar_RegisterVariable(&joy_sensitivityside);
 677         Cvar_RegisterVariable(&joy_sensitivityup);
 678         Cvar_RegisterVariable(&joy_sensitivitypitch);
 679         Cvar_RegisterVariable(&joy_sensitivityyaw);
 680         //Cvar_RegisterVariable(&joy_sensitivityroll);
 681         Cvar_RegisterVariable(&joy_axiskeyevents);
 682
 683 #ifdef SDL_R_RESTART
 684         R_RegisterModule("SDL", sdl_start, sdl_shutdown, sdl_newmap, NULL, NULL);
 685 #endif
 686
 687         if (SDL_Init(SDL_INIT_VIDEO) < 0)
 688                 Sys_Error ("Failed to init SDL video subsystem: %s", SDL_GetError());
 689         vid_sdl_initjoysticksystem = SDL_Init(SDL_INIT_JOYSTICK) >= 0;
 690         if (vid_sdl_initjoysticksystem)
 691                 Con_Printf("Failed to init SDL joystick subsystem: %s\n", SDL_GetError());
 692         vid_isfullscreen = false;
 693 }
 694
 695 // set the icon (we dont use SDL here since it would be too much a PITA)
 696 #ifdef WIN32
 697 #include "resource.h"
 698 #include <SDL_syswm.h>
 699 static void VID_SetCaption(void)
 700 {
 701     SDL_SysWMinfo       info;
 702         HICON                   icon;
 703
 704         // set the caption
 705         SDL_WM_SetCaption( gamename, NULL );
 706
 707         // get the HWND handle
 708     SDL_VERSION( &info.version );
 709         if( !SDL_GetWMInfo( &info ) )
 710                 return;
 711
 712         icon = LoadIcon( GetModuleHandle( NULL ), MAKEINTRESOURCE( IDI_ICON1 ) );
 713 #ifndef _W64 //If Windows 64bit data types don't exist
 714 #ifndef SetClassLongPtr
 715 #define SetClassLongPtr SetClassLong
 716 #endif
 717 #ifndef GCLP_HICON
 718 #define GCLP_HICON GCL_HICON
 719 #endif
 720 #ifndef LONG_PTR
 721 #define LONG_PTR LONG
 722 #endif
 723 #endif
 724         SetClassLongPtr( info.window, GCLP_HICON, (LONG_PTR)icon );
 725 }
 726 static void VID_SetIcon_Pre(void)
 727 {
 728 }
 729 static void VID_SetIcon_Post(void)
 730 {
 731 }
 732 #else
 733 // Adding the OS independent XPM version --blub
 734 #include "darkplaces.xpm"
 735 #include "nexuiz.xpm"
 736 static SDL_Surface *icon = NULL;
 737 static void VID_SetIcon_Pre(void)
 738 {
 739         /*
 740          * Somewhat restricted XPM reader. Only supports XPMs saved by GIMP 2.4 at
 741          * default settings with less than 91 colors and transparency.
 742          */
 743
 744         int width, height, colors, isize, i, j;
 745         int thenone = -1;
 746         static SDL_Color palette[256];
 747         unsigned short palenc[256]; // store color id by char
 748         char *xpm;
 749         char **idata, *data;
 750         const SDL_version *version;
 751
 752         version = SDL_Linked_Version();
 753         // only use non-XPM icon support in SDL v1.3 and higher
 754         // SDL v1.2 does not support "smooth" transparency, and thus is better
 755         // off the xpm way
 756         if(version->major >= 2 || (version->major == 1 && version->minor >= 3))
 757         {
 758                 data = (char *) loadimagepixelsbgra("darkplaces-icon", false, false, false, NULL);
 759                 if(data)
 760                 {
 761                         unsigned int red = 0x00FF0000;
 762                         unsigned int green = 0x0000FF00;
 763                         unsigned int blue = 0x000000FF;
 764                         unsigned int alpha = 0xFF000000;
 765                         width = image_width;
 766                         height = image_height;
 767
 768                         // reallocate with malloc, as this is in tempmempool (do not want)
 769                         xpm = data;
 770                         data = malloc(width * height * 4);
 771                         memcpy(data, xpm, width * height * 4);
 772                         Mem_Free(xpm);
 773                         xpm = NULL;
 774
 775                         icon = SDL_CreateRGBSurface(SDL_SRCALPHA, width, height, 32, LittleLong(red), LittleLong(green), LittleLong(blue), LittleLong(alpha));
 776
 777                         if(icon == NULL) {
 778                                 Con_Printf(     "Failed to create surface for the window Icon!\n"
 779                                                 "%s\n", SDL_GetError());
 780                                 free(data);
 781                                 return;
 782                         }
 783
 784                         icon->pixels = data;
 785                 }
 786         }
 787
 788         // we only get here if non-XPM icon was missing, or SDL version is not
 789         // sufficient for transparent non-XPM icons
 790         if(!icon)
 791         {
 792                 xpm = (char *) FS_LoadFile("darkplaces-icon.xpm", tempmempool, false, NULL);
 793                 idata = NULL;
 794                 if(xpm)
 795                         idata = XPM_DecodeString(xpm);
 796                 if(!idata)
 797                         idata = ENGINE_ICON;
 798                 if(xpm)
 799                         Mem_Free(xpm);
 800
 801                 data = idata[0];
 802
 803                 if(sscanf(data, "%i %i %i %i", &width, &height, &colors, &isize) != 4)
 804                 {
 805                         // NOTE: Only 1-char colornames are supported
 806                         Con_Printf("Sorry, but this does not even look similar to an XPM.\n");
 807                         return;
 808                 }
 809
 810                 if(isize != 1)
 811                 {
 812                         // NOTE: Only 1-char colornames are supported
 813                         Con_Printf("This XPM's palette is either huge or idiotically unoptimized. It's key size is %i\n", isize);
 814                         return;
 815                 }
 816
 817                 for(i = 0; i < colors; ++i)
 818                 {
 819                         unsigned int r, g, b;
 820                         char idx;
 821
 822                         if(sscanf(idata[i+1], "%c c #%02x%02x%02x", &idx, &r, &g, &b) != 4)
 823                         {
 824                                 char foo[2];
 825                                 if(sscanf(idata[i+1], "%c c Non%1[e]", &idx, foo) != 2) // I take the DailyWTF credit for this. --div0
 826                                 {
 827                                         Con_Printf("This XPM's palette looks odd. Can't continue.\n");
 828                                         return;
 829                                 }
 830                                 else
 831                                 {
 832                                         palette[i].r = 255; // color key
 833                                         palette[i].g = 0;
 834                                         palette[i].b = 255;
 835                                         thenone = i; // weeeee
 836                                 }
 837                         }
 838                         else
 839                         {
 840                                 palette[i].r = r - (r == 255 && g == 0 && b == 255); // change 255/0/255 pink to 254/0/255 for color key
 841                                 palette[i].g = g;
 842                                 palette[i].b = b;
 843                         }
 844
 845                         palenc[(unsigned char) idx] = i;
 846                 }
 847
 848                 // allocate the image data
 849                 data = (char*) malloc(width*height);
 850
 851                 for(j = 0; j < height; ++j)
 852                 {
 853                         for(i = 0; i < width; ++i)
 854                         {
 855                                 // casting to the safest possible datatypes ^^
 856                                 data[j * width + i] = palenc[((unsigned char*)idata[colors+j+1])[i]];
 857                         }
 858                 }
 859
 860                 if(icon != NULL)
 861                 {
 862                         // SDL_FreeSurface should free the data too
 863                         // but for completeness' sake...
 864                         if(icon->flags & SDL_PREALLOC)
 865                         {
 866                                 free(icon->pixels);
 867                                 icon->pixels = NULL; // safety
 868                         }
 869                         SDL_FreeSurface(icon);
 870                 }
 871
 872                 icon = SDL_CreateRGBSurface(SDL_SRCCOLORKEY, width, height, 8, 0,0,0,0);// rmask, gmask, bmask, amask); no mask needed
 873                 // 8 bit surfaces get an empty palette allocated according to the docs
 874                 // so it's a palette image for sure :) no endian check necessary for the mask
 875
 876                 if(icon == NULL) {
 877                         Con_Printf(     "Failed to create surface for the window Icon!\n"
 878                                         "%s\n", SDL_GetError());
 879                         free(data);
 880                         return;
 881                 }
 882
 883                 icon->pixels = data;
 884                 SDL_SetPalette(icon, SDL_PHYSPAL|SDL_LOGPAL, palette, 0, colors);
 885                 SDL_SetColorKey(icon, SDL_SRCCOLORKEY, thenone);
 886         }
 887
 888         SDL_WM_SetIcon(icon, NULL);
 889 }
 890 static void VID_SetIcon_Post(void)
 891 {
 892 #if SDL_VIDEO_DRIVER_X11 && !SDL_VIDEO_DRIVER_QUARTZ
 893         int j;
 894         char *data;
 895         const SDL_version *version;
 896
 897         version = SDL_Linked_Version();
 898         // only use non-XPM icon support in SDL v1.3 and higher
 899         // SDL v1.2 does not support "smooth" transparency, and thus is better
 900         // off the xpm way
 901         if(!(version->major >= 2 || (version->major == 1 && version->minor >= 3)))
 902         {
 903                 // in this case, we did not set the good icon yet
 904                 SDL_SysWMinfo info;
 905                 SDL_VERSION(&info.version);
 906                 if(SDL_GetWMInfo(&info) == 1 && info.subsystem == SDL_SYSWM_X11)
 907                 {
 908                         data = (char *) loadimagepixelsbgra("darkplaces-icon", false, false, false, NULL);
 909                         if(data)
 910                         {
 911                                 // use _NET_WM_ICON too
 912                                 static long netwm_icon[MAX_NETWM_ICON];
 913                                 int pos = 0;
 914                                 int i = 1;
 915
 916                                 while(data)
 917                                 {
 918                                         if(pos + 2 * image_width * image_height < MAX_NETWM_ICON)
 919                                         {
 920                                                 netwm_icon[pos++] = image_width;
 921                                                 netwm_icon[pos++] = image_height;
 922                                                 for(i = 0; i < image_height; ++i)
 923                                                         for(j = 0; j < image_width; ++j)
 924                                                                 netwm_icon[pos++] = BuffLittleLong((unsigned char *) &data[(i*image_width+j)*4]);
 925                                         }
 926                                         else
 927                                         {
 928                                                 Con_Printf("Skipping NETWM icon #%d because there is no space left\n", i);
 929                                         }
 930                                         ++i;
 931                                         Mem_Free(data);
 932                                         data = (char *) loadimagepixelsbgra(va("darkplaces-icon%d", i), false, false, false, NULL);
 933                                 }
 934
 935                                 info.info.x11.lock_func();
 936                                 {
 937                                         Atom net_wm_icon = XInternAtom(info.info.x11.display, "_NET_WM_ICON", false);
 938                                         XChangeProperty(info.info.x11.display, info.info.x11.wmwindow, net_wm_icon, XA_CARDINAL, 32, PropModeReplace, (const unsigned char *) netwm_icon, pos);
 939                                 }
 940                                 info.info.x11.unlock_func();
 941                         }
 942                 }
 943         }
 944 #endif
 945 }
 946
 947
 948 static void VID_SetCaption(void)
 949 {
 950         SDL_WM_SetCaption( gamename, NULL );
 951 }
 952 #endif
 953
 954 static void VID_OutputVersion(void)
 955 {
 956         const SDL_version *version;
 957         version = SDL_Linked_Version();
 958         Con_Printf(     "Linked against SDL version %d.%d.%d\n"
 959                                         "Using SDL library version %d.%d.%d\n",
 960                                         SDL_MAJOR_VERSION, SDL_MINOR_VERSION, SDL_PATCHLEVEL,
 961                                         version->major, version->minor, version->patch );
 962 }
 963
 964 qboolean VID_InitMode(viddef_mode_t *mode)
 965 {
 966         int i;
 967         static int notfirstvideomode = false;
 968         int flags = SDL_OPENGL;
 969         const char *drivername;
 970
 971         win_half_width = mode->width>>1;
 972         win_half_height = mode->height>>1;
 973
 974         if(vid_resizable.integer)
 975                 flags |= SDL_RESIZABLE;
 976
 977         VID_OutputVersion();
 978
 979         /*
 980         SDL Hack
 981                 We cant switch from one OpenGL video mode to another.
 982                 Thus we first switch to some stupid 2D mode and then back to OpenGL.
 983         */
 984         if (notfirstvideomode)
 985                 SDL_SetVideoMode( 0, 0, 0, 0 );
 986         notfirstvideomode = true;
 987
 988         // SDL usually knows best
 989         drivername = NULL;
 990
 991 // COMMANDLINEOPTION: SDL GL: -gl_driver <drivername> selects a GL driver library, default is whatever SDL recommends, useful only for 3dfxogl.dll/3dfxvgl.dll or fxmesa or similar, if you don't know what this is for, you don't need it
 992         i = COM_CheckParm("-gl_driver");
 993         if (i && i < com_argc - 1)
 994                 drivername = com_argv[i + 1];
 995         if (SDL_GL_LoadLibrary(drivername) < 0)
 996         {
 997                 Con_Printf("Unable to load GL driver \"%s\": %s\n", drivername, SDL_GetError());
 998                 return false;
 999         }
1000
1001         if ((qglGetString = (const GLubyte* (GLAPIENTRY *)(GLenum name))GL_GetProcAddress("glGetString")) == NULL)
1002         {
1003                 VID_Shutdown();
1004                 Con_Print("Required OpenGL function glGetString not found\n");
1005                 return false;
1006         }
1007
1008         // Knghtbrd: should do platform-specific extension string function here
1009
1010         vid_isfullscreen = false;
1011         if (mode->fullscreen) {
1012                 flags |= SDL_FULLSCREEN;
1013                 vid_isfullscreen = true;
1014         }
1015         //flags |= SDL_HWSURFACE;
1016
1017         SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
1018         if (mode->bitsperpixel >= 32)
1019         {
1020                 SDL_GL_SetAttribute (SDL_GL_RED_SIZE, 8);
1021                 SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, 8);
1022                 SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, 8);
1023                 SDL_GL_SetAttribute (SDL_GL_ALPHA_SIZE, 8);
1024                 SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 24);
1025                 SDL_GL_SetAttribute (SDL_GL_STENCIL_SIZE, 8);
1026         }
1027         else
1028         {
1029                 SDL_GL_SetAttribute (SDL_GL_RED_SIZE, 5);
1030                 SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, 5);
1031                 SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, 5);
1032                 SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 16);
1033         }
1034         if (mode->stereobuffer)
1035                 SDL_GL_SetAttribute (SDL_GL_STEREO, 1);
1036         if (vid_vsync.integer)
1037                 SDL_GL_SetAttribute (SDL_GL_SWAP_CONTROL, 1);
1038         else
1039                 SDL_GL_SetAttribute (SDL_GL_SWAP_CONTROL, 0);
1040         if (mode->samples > 1)
1041         {
1042                 SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1);
1043                 SDL_GL_SetAttribute (SDL_GL_MULTISAMPLESAMPLES, mode->samples);
1044         }
1045
1046         video_bpp = mode->bitsperpixel;
1047         video_flags = flags;
1048         VID_SetIcon_Pre();
1049         screen = SDL_SetVideoMode(mode->width, mode->height, mode->bitsperpixel, flags);
1050         VID_SetIcon_Post();
1051
1052         if (screen == NULL)
1053         {
1054                 Con_Printf("Failed to set video mode to %ix%i: %s\n", mode->width, mode->height, SDL_GetError());
1055                 VID_Shutdown();
1056                 return false;
1057         }
1058
1059         // set window title
1060         VID_SetCaption();
1061         // set up an event filter to ask confirmation on close button in WIN32
1062         SDL_SetEventFilter( (SDL_EventFilter) Sys_EventFilter );
1063         // init keyboard
1064         SDL_EnableUNICODE( SDL_ENABLE );
1065         // enable key repeat since everyone expects it
1066         SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
1067
1068         gl_platform = "SDL";
1069         gl_platformextensions = "";
1070
1071         GL_Init();
1072
1073         vid_numjoysticks = SDL_NumJoysticks();
1074         vid_numjoysticks = bound(0, vid_numjoysticks, MAX_JOYSTICKS);
1075         Cvar_SetValueQuick(&joy_detected, vid_numjoysticks);
1076         Con_Printf("%d SDL joystick(s) found:\n", vid_numjoysticks);
1077         memset(vid_joysticks, 0, sizeof(vid_joysticks));
1078         for (i = 0;i < vid_numjoysticks;i++)
1079         {
1080                 SDL_Joystick *joy;
1081                 joy = vid_joysticks[i] = SDL_JoystickOpen(i);
1082                 if (!joy)
1083                 {
1084                         Con_Printf("joystick #%i: open failed: %s\n", i, SDL_GetError());
1085                         continue;
1086                 }
1087                 Con_Printf("joystick #%i: opened \"%s\" with %i axes, %i buttons, %i balls\n", i, SDL_JoystickName(i), (int)SDL_JoystickNumAxes(joy), (int)SDL_JoystickNumButtons(joy), (int)SDL_JoystickNumBalls(joy));
1088         }
1089
1090         vid_hidden = false;
1091         vid_activewindow = false;
1092         vid_usingmouse = false;
1093         vid_usinghidecursor = false;
1094
1095         SDL_WM_GrabInput(SDL_GRAB_OFF);
1096         return true;
1097 }
1098
1099 void VID_Shutdown (void)
1100 {
1101         VID_SetMouse(false, false, false);
1102         VID_RestoreSystemGamma();
1103
1104         SDL_QuitSubSystem(SDL_INIT_VIDEO);
1105
1106         gl_driver[0] = 0;
1107         gl_extensions = "";
1108         gl_platform = "";
1109         gl_platformextensions = "";
1110 }
1111
1112 int VID_SetGamma (unsigned short *ramps, int rampsize)
1113 {
1114         return !SDL_SetGammaRamp (ramps, ramps + rampsize, ramps + rampsize*2);
1115 }
1116
1117 int VID_GetGamma (unsigned short *ramps, int rampsize)
1118 {
1119         return !SDL_GetGammaRamp (ramps, ramps + rampsize, ramps + rampsize*2);
1120 }
1121
1122 void VID_Finish (void)
1123 {
1124         Uint8 appstate;
1125
1126         //react on appstate changes
1127         appstate = SDL_GetAppState();
1128
1129         vid_hidden = !(appstate & SDL_APPACTIVE);
1130
1131         if( vid_hidden || !( appstate & SDL_APPMOUSEFOCUS ) || !( appstate & SDL_APPINPUTFOCUS ) )
1132                 vid_activewindow = false;
1133         else
1134                 vid_activewindow = true;
1135
1136         VID_UpdateGamma(false, 256);
1137
1138         if (!vid_hidden)
1139         {
1140                 CHECKGLERROR
1141                 if (r_speeds.integer == 2 || gl_finish.integer)
1142                 {
1143                         qglFinish();CHECKGLERROR
1144                 }
1145                 SDL_GL_SwapBuffers();
1146         }
1147 }
1148
1149 size_t VID_ListModes(vid_mode_t *modes, size_t maxcount)
1150 {
1151         size_t k;
1152         SDL_Rect **vidmodes;
1153         int bpp = SDL_GetVideoInfo()->vfmt->BitsPerPixel;
1154
1155         k = 0;
1156         for(vidmodes = SDL_ListModes(NULL, SDL_FULLSCREEN|SDL_HWSURFACE); *vidmodes; ++vidmodes)
1157         {
1158                 if(k >= maxcount)
1159                         break;
1160                 modes[k].width = (*vidmodes)->w;
1161                 modes[k].height = (*vidmodes)->h;
1162                 modes[k].bpp = bpp;
1163                 modes[k].refreshrate = 60; // no support for refresh rate in SDL
1164                 modes[k].pixelheight_num = 1;
1165                 modes[k].pixelheight_denom = 1; // SDL does not provide this
1166                 ++k;
1167         }
1168         return k;
1169 }