src/io/key.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/Io/Key.cpp $
  11  * $Revision$
  12  * $Date$
  13  * $Author$
  14  *
  15  * <insert description of file here>
  16  *
  17  * $Log$
  18  * Revision 1.9  2003/01/30 19:55:01  relnev
  19  * add German keys (this is mostly a patch already sent in by someone else that hasn't made it into cvs yet) (Taylor Richards)
  20  *
  21  * Revision 1.8  2002/06/17 23:11:39  relnev
  22  * enable sdl key repeating.
  23  *
  24  * swap '/` keys.
  25  *
  26  * Revision 1.7  2002/06/09 04:41:21  relnev
  27  * added copyright header
  28  *
  29  * Revision 1.6  2002/06/05 04:03:32  relnev
  30  * finished cfilesystem.
  31  *
  32  * removed some old code.
  33  *
  34  * fixed mouse save off-by-one.
  35  *
  36  * sound cleanups.
  37  *
  38  * Revision 1.5  2002/05/31 03:34:02  theoddone33
  39  * Fix Keyboard
  40  * Add titlebar
  41  *
  42  * Revision 1.4  2002/05/30 23:46:29  theoddone33
  43  * some minor key changes (not necessarily fixes)
  44  *
  45  * Revision 1.3  2002/05/30 16:50:24  theoddone33
  46  * Keyboard partially fixed
  47  *
  48  * Revision 1.2  2002/05/29 23:17:50  theoddone33
  49  * Non working text code and fixed keys
  50  *
  51  * Revision 1.1.1.1  2002/05/03 03:28:09  root
  52  * Initial import.
  53  *
  54  *
  55  * 6     10/29/99 6:10p Jefff
  56  * squashed the damned y/z german issues once and for all
  57  *
  58  * 5     6/07/99 1:21p Dave
  59  * Fixed debug console scrolling problem. Thread related.
  60  *
  61  * 4     6/02/99 6:18p Dave
  62  * Fixed TNT lockup problems! Wheeeee!
  63  *
  64  * 3     11/05/98 4:18p Dave
  65  * First run nebula support. Beefed up localization a bit. Removed all
  66  * conditional compiles for foreign versions. Modified mission file
  67  * format.
  68  *
  69  * 2     10/07/98 10:53a Dave
  70  * Initial checkin.
  71  *
  72  * 1     10/07/98 10:49a Dave
  73  *
  74  * 37    6/19/98 3:50p Lawrance
  75  * change GERMAN to GR_BUILD
  76  *
  77  * 36    6/17/98 11:05a Lawrance
  78  * translate french and german keys
  79  *
  80  * 35    6/12/98 4:49p Hoffoss
  81  * Added code to remap scancodes for german and french keyboards.
  82  *
  83  * 34    5/20/98 12:10a Mike
  84  * Remove mprintfs.
  85  *
  86  * 33    5/19/98 12:19p Mike
  87  * Cheat codes!
  88  *
  89  * 32    5/19/98 12:28a Mike
  90  * Cheat stuff.
  91  *
  92  * 31    5/18/98 11:01p Mike
  93  * Adding support for cheat system.
  94  *
  95  * 30    5/11/98 12:09a Lawrance
  96  * Put in code to turn on/off NumLock key when running under 95
  97  *
  98  * 29    5/01/98 4:23p Lawrance
  99  * Remap the scancode for the UK "\" key
 100  *
 101  * 28    4/18/98 12:42p John
 102  * Added code to use DirectInput to read keyboard. Took out because it
 103  * didn't differentiate btwn Pause and Numlock and sometimes Ctrl.
 104  *
 105  * 27    4/13/98 10:16a John
 106  * Switched gettime back to timer_get_milliseconds, which is now thread
 107  * safe.
 108  *
 109  * 26    4/12/98 11:08p Lawrance
 110  * switch back to using gettime() in separate threads
 111  *
 112  * 25    4/12/98 5:31p Lawrance
 113  * use timer_get_milliseconds() instead of gettime()
 114  *
 115  * 24    3/25/98 8:08p John
 116  * Restructured software rendering into two modules; One for windowed
 117  * debug mode and one for DirectX fullscreen.
 118  *
 119  * 23    1/23/98 3:49p Mike
 120  * Fix bug in negative time-down due to latency.
 121  *
 122  * 22    1/07/98 6:41p Lawrance
 123  * Pass message latency to the keyboard lib.
 124  *
 125  * 21    11/17/97 10:42a John
 126  * On Debug+Backsp, cleared out keys so that it looks like nothing ever
 127  * happened, so they're not stuck down.
 128  *
 129  * 20    11/14/97 4:33p Mike
 130  * Change Debug key to backquote (from F11).
 131  * Balance a ton of subsystems in ships.tbl.
 132  * Change "Heavy Laser" to "Disruptor".
 133  *
 134  * 19    9/13/97 9:30a Lawrance
 135  * added ability to block certain keys from the keyboard
 136  *
 137  * 18    9/10/97 6:02p Hoffoss
 138  * Added code to check for key-pressed sexp operator in FreeSpace as part
 139  * of training mission stuff.
 140  *
 141  * 17    9/09/97 11:08a Sandeep
 142  * fixed warning level 4
 143  *
 144  * 16    7/29/97 5:30p Lawrance
 145  * move gettime() to timer module
 146  *
 147  * 15    4/22/97 10:56a John
 148  * fixed some resource leaks.
 149  *
 150  * 14    2/03/97 4:23p Allender
 151  * use F11 as debug key now
 152  *
 153  * 13    1/10/97 5:15p Mike
 154  * Moved ship-specific parameters from obj_subsystem to ship_subsys.
 155  *
 156  * Added turret code to AI system.
 157  *
 158  * $NoKeywords: $
 159  */
 160
 161 //#define USE_DIRECTINPUT
 162
 163 #ifndef PLAT_UNIX
 164 #include <windows.h>
 165 #include <windowsx.h>
 166 #endif
 167
 168 #include <ctype.h>      // for toupper
 169 #include "pstypes.h"
 170 #include "key.h"
 171 #include "fix.h"
 172 #include "timer.h"
 173 #include "osapi.h"
 174 #include "localize.h"
 175
 176 #define KEY_BUFFER_SIZE 16
 177
 178 //-------- Variable accessed by outside functions ---------
 179 ubyte                           keyd_buffer_type;               // 0=No buffer, 1=buffer ASCII, 2=buffer scans
 180 ubyte                           keyd_repeat;
 181 uint                            keyd_last_pressed;
 182 uint                            keyd_last_released;
 183 ubyte                           keyd_pressed[NUM_KEYS];
 184 int                             keyd_time_when_last_pressed;
 185
 186 typedef struct keyboard {
 187         ushort                  keybuffer[KEY_BUFFER_SIZE];
 188         uint                            time_pressed[KEY_BUFFER_SIZE];
 189         uint                            TimeKeyWentDown[NUM_KEYS];
 190         uint                            TimeKeyHeldDown[NUM_KEYS];
 191         uint                            TimeKeyDownChecked[NUM_KEYS];
 192         uint                            NumDowns[NUM_KEYS];
 193         uint                            NumUps[NUM_KEYS];
 194         int                             down_check[NUM_KEYS];  // nonzero if has been pressed yet this mission
 195         uint                            keyhead, keytail;
 196 } keyboard;
 197
 198 keyboard key_data;
 199
 200 int key_inited = 0;
 201
 202 CRITICAL_SECTION key_lock;
 203
 204 //int Backspace_debug=1;        // global flag that will enable/disable the backspace key from stopping execution
 205                                                                 // This flag was created since the backspace key is also used to correct mistakes
 206                                                                 // when typing in your pilots callsign.  This global flag is checked before execution
 207                                                                 // is stopped.
 208
 209 #ifdef PLAT_UNIX
 210 int SDLtoFS2[SDLK_LAST];
 211 #endif
 212
 213 int ascii_table[128] =
 214 { 255, 255, '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=',255,255,
 215   'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', 255, 255,
 216   'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', 39, '`',
 217   255, '\\', 'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/', 255,'*',
 218   255, ' ', 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,255,255,
 219   255, 255, 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
 220   255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
 221   255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
 222   255,255,255,255,255,255,255,255 };
 223
 224 int shifted_ascii_table[128] =
 225 { 255, 255, '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_', '+',255,255,
 226   'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '{', '}', 255, 255,
 227   'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', '"', '~',
 228   255, '|', 'Z', 'X', 'C', 'V', 'B', 'N', 'M', '<', '>', '?', 255,255,
 229   255, ' ', 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,255,255,
 230   255, 255, 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
 231   255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
 232   255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
 233   255,255,255,255,255,255,255,255 };
 234
 235 // used to limit the keypresses that are accepted from the keyboard
 236 #define MAX_FILTER_KEYS 64
 237 int Num_filter_keys;
 238 int Key_filter[MAX_FILTER_KEYS];
 239
 240 static int Key_numlock_was_on = 0;      // Flag to indicate whether NumLock is on at start
 241 static int Key_running_NT = 0;          // NT is the OS
 242
 243 int Cheats_enabled = 0;
 244 int Key_normal_game = 0;
 245
 246 #ifdef PLAT_UNIX
 247 void FillSDLArray ()
 248 {
 249         SDLtoFS2[SDLK_0] = KEY_0;
 250         SDLtoFS2[SDLK_1] = KEY_1;
 251         SDLtoFS2[SDLK_2] = KEY_2;
 252         SDLtoFS2[SDLK_3] = KEY_3;
 253         SDLtoFS2[SDLK_4] = KEY_4;
 254         SDLtoFS2[SDLK_5] = KEY_5;
 255         SDLtoFS2[SDLK_6] = KEY_6;
 256         SDLtoFS2[SDLK_7] = KEY_7;
 257         SDLtoFS2[SDLK_8] = KEY_8;
 258         SDLtoFS2[SDLK_9] = KEY_9;
 259
 260         SDLtoFS2[SDLK_a] = KEY_A;
 261         SDLtoFS2[SDLK_b] = KEY_B;
 262         SDLtoFS2[SDLK_c] = KEY_C;
 263         SDLtoFS2[SDLK_d] = KEY_D;
 264         SDLtoFS2[SDLK_e] = KEY_E;
 265         SDLtoFS2[SDLK_f] = KEY_F;
 266         SDLtoFS2[SDLK_g] = KEY_G;
 267         SDLtoFS2[SDLK_h] = KEY_H;
 268         SDLtoFS2[SDLK_i] = KEY_I;
 269         SDLtoFS2[SDLK_j] = KEY_J;
 270         SDLtoFS2[SDLK_k] = KEY_K;
 271         SDLtoFS2[SDLK_l] = KEY_L;
 272         SDLtoFS2[SDLK_m] = KEY_M;
 273         SDLtoFS2[SDLK_n] = KEY_N;
 274         SDLtoFS2[SDLK_o] = KEY_O;
 275         SDLtoFS2[SDLK_p] = KEY_P;
 276         SDLtoFS2[SDLK_q] = KEY_Q;
 277         SDLtoFS2[SDLK_r] = KEY_R;
 278         SDLtoFS2[SDLK_s] = KEY_S;
 279         SDLtoFS2[SDLK_t] = KEY_T;
 280         SDLtoFS2[SDLK_u] = KEY_U;
 281         SDLtoFS2[SDLK_v] = KEY_V;
 282         SDLtoFS2[SDLK_w] = KEY_W;
 283         SDLtoFS2[SDLK_x] = KEY_X;
 284         SDLtoFS2[SDLK_y] = KEY_Y;
 285         SDLtoFS2[SDLK_z] = KEY_Z;
 286
 287 #ifdef GERMAN_BUILD
 288         SDLtoFS2[SDLK_WORLD_63] = KEY_MINUS;
 289         SDLtoFS2[SDLK_WORLD_20] = KEY_EQUAL;
 290         SDLtoFS2[SDLK_MINUS] = KEY_DIVIDE;
 291         SDLtoFS2[SDLK_HASH] = KEY_SLASH;
 292         SDLtoFS2[SDLK_COMMA] = KEY_COMMA;
 293         SDLtoFS2[SDLK_PERIOD] = KEY_PERIOD;
 294         SDLtoFS2[SDLK_WORLD_86] = KEY_SEMICOL;
 295
 296         SDLtoFS2[SDLK_WORLD_92] = KEY_LBRACKET;
 297         SDLtoFS2[SDLK_PLUS] = KEY_RBRACKET;
 298
 299         SDLtoFS2[SDLK_CARET] = KEY_LAPOSTRO;
 300         SDLtoFS2[SDLK_WORLD_68] = KEY_RAPOSTRO;
 301 #else
 302         SDLtoFS2[SDLK_MINUS] = KEY_MINUS;
 303         SDLtoFS2[SDLK_EQUALS] = KEY_EQUAL;
 304         SDLtoFS2[SDLK_SLASH] = KEY_DIVIDE; // No idea - DDOI
 305         SDLtoFS2[SDLK_BACKSLASH] = KEY_SLASH;
 306         //SDLtoFS2[SDLK_BACKSLASH] = KEY_SLASH_UK; // ?
 307         SDLtoFS2[SDLK_COMMA] = KEY_COMMA;
 308         SDLtoFS2[SDLK_PERIOD] = KEY_PERIOD;
 309         SDLtoFS2[SDLK_SEMICOLON] = KEY_SEMICOL;
 310
 311         SDLtoFS2[SDLK_LEFTBRACKET] = KEY_LBRACKET;
 312         SDLtoFS2[SDLK_RIGHTBRACKET] = KEY_RBRACKET;
 313
 314         SDLtoFS2[SDLK_BACKQUOTE] = KEY_LAPOSTRO;
 315         SDLtoFS2[SDLK_QUOTE] = KEY_RAPOSTRO;
 316 #endif
 317
 318         SDLtoFS2[SDLK_ESCAPE] = KEY_ESC;
 319         SDLtoFS2[SDLK_RETURN] = KEY_ENTER;
 320         SDLtoFS2[SDLK_BACKSPACE] = KEY_BACKSP;
 321         SDLtoFS2[SDLK_TAB] = KEY_TAB;
 322         SDLtoFS2[SDLK_SPACE] = KEY_SPACEBAR;
 323
 324         SDLtoFS2[SDLK_NUMLOCK] = KEY_NUMLOCK;
 325         SDLtoFS2[SDLK_SCROLLOCK] = KEY_SCROLLOCK;
 326         SDLtoFS2[SDLK_CAPSLOCK] = KEY_CAPSLOCK;
 327
 328         SDLtoFS2[SDLK_LSHIFT] = KEY_LSHIFT;
 329         SDLtoFS2[SDLK_RSHIFT] = KEY_RSHIFT;
 330
 331         SDLtoFS2[SDLK_LALT] = KEY_LALT;
 332         SDLtoFS2[SDLK_RALT] = KEY_RALT;
 333
 334         SDLtoFS2[SDLK_LCTRL] = KEY_LCTRL;
 335         SDLtoFS2[SDLK_RCTRL] = KEY_RCTRL;
 336
 337         SDLtoFS2[SDLK_F1] = KEY_F1;
 338         SDLtoFS2[SDLK_F2] = KEY_F2;
 339         SDLtoFS2[SDLK_F3] = KEY_F3;
 340         SDLtoFS2[SDLK_F4] = KEY_F4;
 341         SDLtoFS2[SDLK_F5] = KEY_F5;
 342         SDLtoFS2[SDLK_F6] = KEY_F6;
 343         SDLtoFS2[SDLK_F7] = KEY_F7;
 344         SDLtoFS2[SDLK_F8] = KEY_F8;
 345         SDLtoFS2[SDLK_F9] = KEY_F9;
 346         SDLtoFS2[SDLK_F10] = KEY_F10;
 347         SDLtoFS2[SDLK_F11] = KEY_F11;
 348         SDLtoFS2[SDLK_F12] = KEY_F12;
 349
 350         SDLtoFS2[SDLK_KP0] = KEY_PAD0;
 351         SDLtoFS2[SDLK_KP1] = KEY_PAD1;
 352         SDLtoFS2[SDLK_KP2] = KEY_PAD2;
 353         SDLtoFS2[SDLK_KP3] = KEY_PAD3;
 354         SDLtoFS2[SDLK_KP4] = KEY_PAD4;
 355         SDLtoFS2[SDLK_KP5] = KEY_PAD5;
 356         SDLtoFS2[SDLK_KP6] = KEY_PAD6;
 357         SDLtoFS2[SDLK_KP7] = KEY_PAD7;
 358         SDLtoFS2[SDLK_KP8] = KEY_PAD8;
 359         SDLtoFS2[SDLK_KP9] = KEY_PAD9;
 360         SDLtoFS2[SDLK_KP_MINUS] = KEY_PADMINUS;
 361         SDLtoFS2[SDLK_KP_PLUS] = KEY_PADPLUS;
 362         SDLtoFS2[SDLK_KP_PERIOD] = KEY_PADPERIOD;
 363         SDLtoFS2[SDLK_KP_DIVIDE] = KEY_PADDIVIDE;
 364         SDLtoFS2[SDLK_KP_MULTIPLY] = KEY_PADMULTIPLY;
 365         SDLtoFS2[SDLK_KP_ENTER] = KEY_PADENTER;
 366
 367         SDLtoFS2[SDLK_INSERT] = KEY_INSERT;
 368         SDLtoFS2[SDLK_HOME] = KEY_HOME;
 369         SDLtoFS2[SDLK_PAGEUP] = KEY_PAGEUP;
 370         SDLtoFS2[SDLK_DELETE] = KEY_DELETE;
 371         SDLtoFS2[SDLK_END] = KEY_END;
 372         SDLtoFS2[SDLK_PAGEDOWN] = KEY_PAGEDOWN;
 373         SDLtoFS2[SDLK_UP] = KEY_UP;
 374         SDLtoFS2[SDLK_DOWN] = KEY_DOWN;
 375         SDLtoFS2[SDLK_LEFT] = KEY_LEFT;
 376         SDLtoFS2[SDLK_RIGHT] = KEY_RIGHT;
 377
 378         SDLtoFS2[SDLK_PRINT] = KEY_PRINT_SCRN;
 379         SDLtoFS2[SDLK_PAUSE] = KEY_PAUSE;
 380         SDLtoFS2[SDLK_BREAK] = KEY_BREAK;
 381 }
 382 #endif
 383
 384 int key_numlock_is_on()
 385 {
 386 #ifdef PLAT_UNIX
 387         int keys[SDLK_LAST];
 388         SDL_GetKeyState(keys);
 389         if ( keys[SDLK_NUMLOCK] ) {
 390                 return 1;
 391         }
 392 #else
 393         unsigned char keys[256];
 394         GetKeyboardState(keys);
 395         if ( keys[VK_NUMLOCK]  ) {
 396                 return 1;
 397         }
 398 #endif
 399         return 0;
 400 }
 401
 402 void key_turn_off_numlock()
 403 {
 404 #ifdef PLAT_UNIX
 405 //      STUB_FUNCTION; /* sdl doesn't support this */
 406 #else
 407         unsigned char keys[256];
 408         GetKeyboardState(keys);
 409         keys[VK_NUMLOCK] = 0;
 410         SetKeyboardState(keys);
 411 #endif
 412 }
 413
 414 void key_turn_on_numlock()
 415 {
 416 #ifdef PLAT_UNIX
 417 //      STUB_FUNCTION; /* sdl doesn't support this */
 418 #else
 419         unsigned char keys[256];
 420         GetKeyboardState(keys);
 421         keys[VK_NUMLOCK] = 1;
 422         SetKeyboardState(keys);
 423 #endif
 424 }
 425
 426 //      Convert a BIOS scancode to ASCII.
 427 //      If scancode >= 127, returns 255, meaning there is no corresponding ASCII code.
 428 //      Uses ascii_table and shifted_ascii_table to translate scancode to ASCII.
 429 int key_to_ascii(int keycode )
 430 {
 431         int shifted;
 432
 433         if ( !key_inited ) return 255;
 434
 435         shifted = keycode & KEY_SHIFTED;
 436         keycode &= KEY_MASK;
 437
 438         if ( keycode>=127 )
 439                 return 255;
 440
 441         if (shifted)
 442                 return shifted_ascii_table[keycode];
 443         else
 444                 return ascii_table[keycode];
 445 }
 446
 447 //      Flush the keyboard buffer.
 448 //      Clear the keyboard array (keyd_pressed).
 449 void key_flush()
 450 {
 451         int i;
 452         uint CurTime;
 453
 454         if ( !key_inited ) return;
 455
 456         ENTER_CRITICAL_SECTION(&key_lock);
 457
 458         key_data.keyhead = key_data.keytail = 0;
 459
 460         //Clear the keyboard buffer
 461         for (i=0; i<KEY_BUFFER_SIZE; i++ )      {
 462                 key_data.keybuffer[i] = 0;
 463                 key_data.time_pressed[i] = 0;
 464         }
 465
 466         //Clear the keyboard array
 467
 468         CurTime = timer_get_milliseconds();
 469
 470
 471         for (i=0; i<NUM_KEYS; i++ )     {
 472                 keyd_pressed[i] = 0;
 473                 key_data.TimeKeyDownChecked[i] = CurTime;
 474                 key_data.TimeKeyWentDown[i] = CurTime;
 475                 key_data.TimeKeyHeldDown[i] = 0;
 476                 key_data.NumDowns[i]=0;
 477                 key_data.NumUps[i]=0;
 478         }
 479
 480         LEAVE_CRITICAL_SECTION(&key_lock);
 481 }
 482
 483 //      A nifty function which performs the function:
 484 //              n = (n+1) % KEY_BUFFER_SIZE
 485 //      (assuming positive values of n).
 486 int add_one( int n )
 487 {
 488         n++;
 489         if ( n >= KEY_BUFFER_SIZE ) n=0;
 490         return n;
 491 }
 492
 493 // Returns 1 if character waiting... 0 otherwise
 494 int key_checkch()
 495 {
 496         int is_one_waiting = 0;
 497
 498         if ( !key_inited ) return 0;
 499
 500         ENTER_CRITICAL_SECTION(&key_lock);
 501
 502         if (key_data.keytail != key_data.keyhead){
 503                 is_one_waiting = 1;
 504         }
 505
 506         LEAVE_CRITICAL_SECTION(&key_lock);
 507
 508         return is_one_waiting;
 509 }
 510
 511 //      Return key scancode if a key has been pressed,
 512 //      else return 0.
 513 //      Reads keys out of the key buffer and updates keyhead.
 514 int key_inkey()
 515 {
 516         int key = 0;
 517
 518         if ( !key_inited ) return 0;
 519
 520         ENTER_CRITICAL_SECTION(&key_lock);
 521
 522         if (key_data.keytail!=key_data.keyhead) {
 523                 key = key_data.keybuffer[key_data.keyhead];
 524                 key_data.keyhead = add_one(key_data.keyhead);
 525         }
 526
 527         LEAVE_CRITICAL_SECTION(&key_lock);
 528
 529         return key;
 530 }
 531
 532 //      Unget a key.  Puts it back in the input queue.
 533 void key_outkey(int key)
 534 {
 535         int     bufp;
 536
 537         if ( !key_inited ) return;
 538
 539         ENTER_CRITICAL_SECTION(&key_lock);
 540
 541         bufp = key_data.keytail+1;
 542
 543         if (bufp >= KEY_BUFFER_SIZE){
 544                 bufp = 0;
 545         }
 546
 547         key_data.keybuffer[key_data.keytail] = (unsigned short)key;
 548
 549         key_data.keytail = bufp;
 550
 551         LEAVE_CRITICAL_SECTION(&key_lock);
 552 }
 553
 554
 555
 556 //      Return amount of time last key was held down.
 557 //      This is currently (July 17, 1996) bogus because our timing is
 558 //      not accurate.
 559 int key_inkey_time(uint * time)
 560 {
 561         int key = 0;
 562
 563         if ( !key_inited ) {
 564                 *time = 0;
 565                 return 0;
 566         }
 567
 568         ENTER_CRITICAL_SECTION(&key_lock);
 569
 570         if (key_data.keytail!=key_data.keyhead) {
 571                 key = key_data.keybuffer[key_data.keyhead];
 572                 *time = key_data.time_pressed[key_data.keyhead];
 573                 key_data.keyhead = add_one(key_data.keyhead);
 574         }
 575
 576         LEAVE_CRITICAL_SECTION(&key_lock);
 577
 578         return key;
 579 }
 580
 581
 582 //      Returns scancode of last key pressed, if any (returns 0 if no key pressed)
 583 //      but does not update keyhead pointer.
 584 int key_peekkey()
 585 {
 586         int key = 0;
 587
 588         if ( !key_inited ) return 0;
 589
 590         ENTER_CRITICAL_SECTION(&key_lock);
 591
 592         if (key_data.keytail!=key_data.keyhead) {
 593                 key = key_data.keybuffer[key_data.keyhead];
 594         }
 595         LEAVE_CRITICAL_SECTION(&key_lock);
 596
 597         return key;
 598 }
 599
 600 // If not installed, uses BIOS and returns getch();
 601 //      Else returns pending key (or waits for one if none waiting).
 602 int key_getch()
 603 {
 604         int dummy=0;
 605         int in;
 606
 607         if ( !key_inited ) return 0;
 608
 609         while (!key_checkch()){
 610                 os_poll();
 611
 612                 dummy++;
 613         }
 614         in = key_inkey();
 615
 616         return in;
 617 }
 618
 619 //      Set global shift_status with modifier results (shift, ctrl, alt).
 620 uint key_get_shift_status()
 621 {
 622         unsigned int shift_status = 0;
 623
 624         if ( !key_inited ) return 0;
 625
 626         ENTER_CRITICAL_SECTION(&key_lock);
 627
 628         if ( keyd_pressed[KEY_LSHIFT] || keyd_pressed[KEY_RSHIFT] )
 629                 shift_status |= KEY_SHIFTED;
 630
 631         if ( keyd_pressed[KEY_LALT] || keyd_pressed[KEY_RALT] )
 632                 shift_status |= KEY_ALTED;
 633
 634         if ( keyd_pressed[KEY_LCTRL] || keyd_pressed[KEY_RCTRL] )
 635                 shift_status |= KEY_CTRLED;
 636
 637 #ifndef NDEBUG
 638         if (keyd_pressed[KEY_DEBUG_KEY])
 639                 shift_status |= KEY_DEBUGGED;
 640 #else
 641         if (keyd_pressed[KEY_DEBUG_KEY]) {
 642                 mprintf(("Cheats_enabled = %i, Key_normal_game = %i\n", Cheats_enabled, Key_normal_game));
 643                 if ((Cheats_enabled) && Key_normal_game) {
 644                         mprintf(("Debug key\n"));
 645                         shift_status |= KEY_DEBUGGED1;
 646                 }
 647         }
 648 #endif
 649         LEAVE_CRITICAL_SECTION(&key_lock);
 650
 651         return shift_status;
 652 }
 653
 654 //      Returns amount of time key (specified by "code") has been down since last call.
 655 //      Returns float, unlike key_down_time() which returns a fix.
 656 float key_down_timef(uint scancode)
 657 {
 658         uint time_down, time;
 659         uint delta_time;
 660
 661         if ( !key_inited ) return 0.0f;
 662
 663         if ((scancode<0)|| (scancode>=NUM_KEYS)) return 0.0f;
 664
 665         ENTER_CRITICAL_SECTION(&key_lock);
 666
 667         time = timer_get_milliseconds();
 668         delta_time = time - key_data.TimeKeyDownChecked[scancode];
 669         key_data.TimeKeyDownChecked[scancode] = time;
 670
 671         if ( delta_time <= 1 ) {
 672                 key_data.TimeKeyWentDown[scancode] = time;
 673                 if (keyd_pressed[scancode])     {
 674                         LEAVE_CRITICAL_SECTION(&key_lock);
 675                         return 1.0f;
 676                 } else  {
 677                         LEAVE_CRITICAL_SECTION(&key_lock);
 678                         return 0.0f;
 679                 }
 680         }
 681
 682         if ( !keyd_pressed[scancode] )  {
 683                 time_down = key_data.TimeKeyHeldDown[scancode];
 684                 key_data.TimeKeyHeldDown[scancode] = 0;
 685         } else  {
 686                 time_down =  time - key_data.TimeKeyWentDown[scancode];
 687                 key_data.TimeKeyWentDown[scancode] = time;
 688         }
 689
 690         LEAVE_CRITICAL_SECTION(&key_lock);
 691
 692         return i2fl(time_down) / i2fl(delta_time);
 693 }
 694
 695 /*
 696 //      Returns amount of time key (specified by "code") has been down since last call.
 697 //      Returns float, unlike key_down_time() which returns a fix.
 698 fix key_down_time( uint code )
 699 {
 700         uint time_down, time;
 701         uint delta_time;
 702
 703         if ( !key_inited ) return 0.0f;
 704
 705         if ((scancode<0)|| (scancode>=NUM_KEYS)) return 0.0f;
 706
 707         EnterCriticalSection( &key_lock );
 708
 709         time = timer_get_milliseconds();
 710         delta_time = time - TimeKeyDownChecked[scancode];
 711         TimeKeyDownChecked[scancode] = time;
 712
 713         if ( delta_time <= 1 ) {
 714                 LeaveCriticalSection( &key_lock );
 715                 if (keyd_pressed[scancode])
 716                         return F1_0;
 717                 else
 718                         return 0;
 719         }
 720
 721         if ( !keyd_pressed[scancode] )  {
 722                 time_down = key_data.TimeKeyHeldDown[scancode];
 723                 key_data.TimeKeyHeldDown[scancode] = 0;
 724         } else  {
 725                 time_down =  time - key_data.TimeKeyWentDown[scancode];
 726                 key_data.TimeKeyWentDown[scancode] = time;
 727         }
 728
 729         LeaveCriticalSection( &key_lock );
 730
 731         return fixmuldiv( time_down, F1_0, delta_time );
 732 }
 733 */
 734
 735
 736 // Returns number of times key has went from up to down since last call.
 737 int key_down_count(int scancode)
 738 {
 739         int n;
 740
 741         if ( !key_inited ) return 0;
 742
 743         if ((scancode<0)|| (scancode>=NUM_KEYS)) return 0;
 744
 745         ENTER_CRITICAL_SECTION(&key_lock);
 746
 747         n = key_data.NumDowns[scancode];
 748         key_data.NumDowns[scancode] = 0;
 749
 750         LEAVE_CRITICAL_SECTION(&key_lock);
 751
 752         return n;
 753 }
 754
 755
 756 // Returns number of times key has went from down to up since last call.
 757 int key_up_count(int scancode)
 758 {
 759         int n;
 760
 761         if ( !key_inited ) return 0;
 762         if ((scancode<0)|| (scancode>=NUM_KEYS)) return 0;
 763
 764         ENTER_CRITICAL_SECTION(&key_lock);
 765
 766         n = key_data.NumUps[scancode];
 767         key_data.NumUps[scancode] = 0;
 768
 769         LEAVE_CRITICAL_SECTION(&key_lock);
 770
 771         return n;
 772 }
 773
 774 int key_check(int key)
 775 {
 776         return key_data.down_check[key];
 777 }
 778
 779 //      Add a key up or down code to the key buffer.  state=1 -> down, state=0 -> up
 780 // latency => time difference in ms between when key was actually pressed and now
 781 //void key_mark( uint code, int state )
 782 void key_mark( uint code, int state, uint latency )
 783 {
 784         uint scancode, breakbit, temp, event_time;
 785         ushort keycode;
 786
 787         if ( !key_inited ) return;
 788
 789         ENTER_CRITICAL_SECTION(&key_lock);
 790
 791         // If running in the UK, need to translate their wacky slash scancode to ours
 792         if ( code == KEY_SLASH_UK ) {
 793                 code = KEY_SLASH;
 794         }
 795
 796         if(Lcl_fr){
 797                 switch (code) {
 798                 case KEY_A:
 799                         code = KEY_Q;
 800                         break;
 801
 802                 case KEY_M:
 803                         code = KEY_COMMA;
 804                         break;
 805
 806                 case KEY_Q:
 807                         code = KEY_A;
 808                         break;
 809
 810                 case KEY_W:
 811                         code = KEY_Z;
 812                         break;
 813
 814                 case KEY_Z:
 815                         code = KEY_W;
 816                         break;
 817
 818                 case KEY_SEMICOL:
 819                         code = KEY_M;
 820                         break;
 821
 822                 case KEY_COMMA:
 823                         code = KEY_SEMICOL;
 824                         break;
 825                 }
 826         } else if(Lcl_gr){
 827                 switch (code) {
 828                 case KEY_Y:
 829                         code = KEY_Z;
 830                         break;
 831
 832                 case KEY_Z:
 833                         code = KEY_Y;
 834                         break;
 835                 }
 836
 837         }
 838
 839         if ( (code == 0xc5) && !Key_running_NT ) {
 840                 key_turn_off_numlock();
 841         }
 842
 843         Assert( code < NUM_KEYS );
 844
 845         event_time = timer_get_milliseconds() - latency;
 846         // event_time = timeGetTime() - latency;
 847
 848         // Read in scancode
 849         scancode = code & (NUM_KEYS-1);
 850         breakbit = !state;
 851
 852         if (breakbit)   {
 853                 // Key going up
 854                 keyd_last_released = scancode;
 855                 keyd_pressed[scancode] = 0;
 856                 key_data.NumUps[scancode]++;
 857
 858                 //      What is the point of this code?  "temp" is never used!
 859                 temp = 0;
 860                 temp |= keyd_pressed[KEY_LSHIFT] || keyd_pressed[KEY_RSHIFT];
 861                 temp |= keyd_pressed[KEY_LALT] || keyd_pressed[KEY_RALT];
 862                 temp |= keyd_pressed[KEY_LCTRL] || keyd_pressed[KEY_RCTRL];
 863 //#ifndef NDEBUG
 864                 temp |= keyd_pressed[KEY_DEBUG_KEY];
 865 //#endif
 866                 if (event_time < key_data.TimeKeyWentDown[scancode])
 867                         key_data.TimeKeyHeldDown[scancode] = 0;
 868                 else
 869                         key_data.TimeKeyHeldDown[scancode] += event_time - key_data.TimeKeyWentDown[scancode];
 870         } else {
 871                 // Key going down
 872                 keyd_last_pressed = scancode;
 873                 keyd_time_when_last_pressed = event_time;
 874                 if (!keyd_pressed[scancode])    {
 875                         // First time down
 876                         key_data.TimeKeyWentDown[scancode] = event_time;
 877                         keyd_pressed[scancode] = 1;
 878                         key_data.NumDowns[scancode]++;
 879                         key_data.down_check[scancode]++;
 880
 881 //                      mprintf(( "Scancode = %x\n", scancode ));
 882
 883 //                      if ( scancode == KEY_BREAK )
 884 //                              Int3();
 885
 886
 887                 } else if (!keyd_repeat) {
 888                         // Don't buffer repeating key if repeat mode is off
 889                         scancode = 0xAA;
 890                 }
 891
 892                 if ( scancode!=0xAA ) {
 893                         keycode = (unsigned short)scancode;
 894
 895                         if ( keyd_pressed[KEY_LSHIFT] || keyd_pressed[KEY_RSHIFT] )
 896                                 keycode |= KEY_SHIFTED;
 897
 898                         if ( keyd_pressed[KEY_LALT] || keyd_pressed[KEY_RALT] )
 899                                 keycode |= KEY_ALTED;
 900
 901                         if ( keyd_pressed[KEY_LCTRL] || keyd_pressed[KEY_RCTRL] )
 902                                 keycode |= KEY_CTRLED;
 903
 904 #ifndef NDEBUG
 905                         if ( keyd_pressed[KEY_DEBUG_KEY] )
 906                                 keycode |= KEY_DEBUGGED;
 907 //                      if ( keycode == (KEY_BACKSP + KEY_DEBUGGED) )   {
 908 //                              keycode = 0;
 909 //                              keyd_pressed[KEY_DEBUG_KEY] = 0;
 910 //                              keyd_pressed[KEY_BACKSP] = 0;
 911 //                              Int3();
 912 //                      }
 913 #else
 914                         if ( keyd_pressed[KEY_DEBUG_KEY] ) {
 915                                 mprintf(("Cheats_enabled = %i, Key_normal_game = %i\n", Cheats_enabled, Key_normal_game));
 916                                 if (Cheats_enabled && Key_normal_game) {
 917                                         keycode |= KEY_DEBUGGED1;
 918                                 }
 919                         }
 920
 921 #endif
 922
 923                         if ( keycode )  {
 924                                 temp = key_data.keytail+1;
 925                                 if ( temp >= KEY_BUFFER_SIZE ) temp=0;
 926
 927                                 if (temp!=key_data.keyhead)     {
 928                                         int i, accept_key = 1;
 929                                         // Num_filter_keys will only be non-zero when a key filter has
 930                                         // been explicity set up via key_set_filter()
 931                                         for ( i = 0; i < Num_filter_keys; i++ ) {
 932                                                 accept_key = 0;
 933                                                 if ( Key_filter[i] == keycode ) {
 934                                                         accept_key = 1;
 935                                                         break;
 936                                                 }
 937                                         }
 938
 939                                         if ( accept_key ) {
 940                                                 key_data.keybuffer[key_data.keytail] = keycode;
 941                                                 key_data.time_pressed[key_data.keytail] = keyd_time_when_last_pressed;
 942                                                 key_data.keytail = temp;
 943                                         }
 944                                 }
 945                         }
 946                 }
 947         }
 948
 949         LEAVE_CRITICAL_SECTION(&key_lock);
 950 }
 951
 952 #ifdef USE_DIRECTINPUT
 953 void di_cleanup();
 954 int di_init();
 955 #endif
 956
 957
 958 void key_close()
 959 {
 960         if ( !key_inited ) return;
 961
 962         #ifdef USE_DIRECTINPUT
 963                 di_cleanup();
 964         #endif
 965
 966         if ( Key_numlock_was_on ) {
 967                 key_turn_on_numlock();
 968                 Key_numlock_was_on = 0;
 969         }
 970
 971         key_inited = 0;
 972 #ifdef PLAT_UNIX
 973 //      STUB_FUNCTION; /* don't need this? */
 974 #else
 975         DeleteCriticalSection( &key_lock );
 976 #endif
 977 }
 978
 979 void key_init()
 980 {
 981         // Initialize queue
 982         if ( key_inited ) return;
 983         key_inited = 1;
 984
 985 #ifdef PLAT_UNIX
 986         FillSDLArray ();
 987 //      STUB_FUNCTION; /* don't need this */
 988 #else
 989         InitializeCriticalSection( &key_lock );
 990
 991         ENTER_CRITICAL_SECTION(&key_lock);
 992 #endif
 993
 994         keyd_time_when_last_pressed = timer_get_milliseconds();
 995         keyd_buffer_type = 1;
 996         keyd_repeat = 1;
 997
 998         // Clear the keyboard array
 999         key_flush();
1000
1001         // Clear key filter
1002         key_clear_filter();
1003
1004 #ifdef PLAT_UNIX
1005 //      STUB_FUNCTION; /* don't need this */
1006 #else
1007         LEAVE_CRITICAL_SECTION(&key_lock);
1008
1009         #ifdef USE_DIRECTINPUT
1010                 di_init();
1011         #endif
1012
1013         OSVERSIONINFO ver;
1014         ver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
1015         GetVersionEx(&ver);
1016         if ( ver.dwPlatformId == VER_PLATFORM_WIN32_NT ) {
1017                 Key_running_NT = 1;
1018         } else {
1019                 Key_running_NT = 0;
1020                 if ( key_numlock_is_on() ) {
1021                         Key_numlock_was_on = 1;
1022                         key_turn_off_numlock();
1023                 }
1024         }
1025 #endif
1026
1027         atexit(key_close);
1028 }
1029
1030 void key_level_init()
1031 {
1032         int i;
1033
1034         for (i=0; i<NUM_KEYS; i++)
1035                 key_data.down_check[i] = 0;
1036 }
1037
1038 void key_lost_focus()
1039 {
1040         if ( !key_inited ) return;
1041
1042         key_flush();
1043 }
1044
1045 void key_got_focus()
1046 {
1047         if ( !key_inited ) return;
1048
1049         key_flush();
1050 }
1051
1052 // Restricts the keys that are accepted from the keyboard
1053 //
1054 //      filter_array    =>              array of keys to act as a filter
1055 //      num                             =>              number of keys in filter_array
1056 //
1057 void key_set_filter(int *filter_array, int num)
1058 {
1059         int i;
1060
1061         if ( num >= MAX_FILTER_KEYS ) {
1062                 Int3();
1063                 num = MAX_FILTER_KEYS;
1064         }
1065
1066         Num_filter_keys = num;
1067
1068         for ( i = 0; i < num; i++ ) {
1069                 Key_filter[i] = filter_array[i];
1070         }
1071 }
1072
1073 // Clear the key filter, so all keypresses are accepted from keyboard
1074 //
1075 void key_clear_filter()
1076 {
1077         int i;
1078
1079         Num_filter_keys = 0;
1080         for ( i = 0; i < MAX_FILTER_KEYS; i++ ) {
1081                 Key_filter[i] = -1;
1082         }
1083 }
1084
1085
1086 #ifdef USE_DIRECTINPUT
1087
1088 // JAS - April 18, 1998
1089 // Not using because DI has the following problems:  (Everything else works ok)
1090 // Under NT, Pause and Numlock report as identical keys.
1091 // Under 95, Pause is the same as pressing Ctrl then Numlock.  So the game fires each
1092 // time you hit it.
1093 //
1094
1095 //============================================================================
1096 // Direct Input code
1097 // For the keyboard, this basically replaces our old functionallity of:
1098 // WM_KEYDOWN:
1099 //    key_mark(...);
1100 // WM_KEYUP:
1101 //    key_mark(...);
1102 //============================================================================
1103
1104
1105 #include "vdinput.h"
1106
1107 #define MAX_BUFFERED_KEYBOARD_EVENTS 10
1108
1109 static LPDIRECTINPUT                    Di_object = NULL;
1110 static LPDIRECTINPUTDEVICE      Di_keyboard = NULL;
1111 static HANDLE                                   Di_thread = NULL;
1112 static DWORD                                    Di_thread_id = NULL;
1113 static HANDLE                                   Di_event = NULL;
1114
1115 DWORD di_process(DWORD lparam)
1116 {
1117         while (1) {
1118                 if ( WaitForSingleObject( Di_event, INFINITE )==WAIT_OBJECT_0 ) {
1119
1120                         //mprintf(( "Got event!\n" ));
1121
1122                         HRESULT hr;
1123
1124                         DIDEVICEOBJECTDATA rgdod[10];
1125                         DWORD dwItems = MAX_BUFFERED_KEYBOARD_EVENTS;
1126
1127 again:;
1128                         hr = Di_keyboard->GetDeviceData( sizeof(DIDEVICEOBJECTDATA), rgdod,  &dwItems, 0);
1129
1130                         if (hr == DIERR_INPUTLOST) {
1131                                 /*
1132                                 *  DirectInput is telling us that the input stream has
1133                                 *  been interrupted.  We aren't tracking any state
1134                                 *  between polls, so we don't have any special reset
1135                                 *  that needs to be done.  We just re-acquire and
1136                                 *  try again.
1137                                 */
1138                                 Sleep(1000);            // Pause a second...
1139                                 hr = Di_keyboard->Acquire();
1140                                 if (SUCCEEDED(hr)) {
1141                                         goto again;
1142                                 }
1143                         }
1144
1145                         if (SUCCEEDED(hr)) {
1146                                  // dwItems = number of elements read (could be zero)
1147                                  if (hr == DI_BUFFEROVERFLOW) {
1148                                         // Buffer had overflowed.
1149                                         mprintf(( "Buffer overflowed!\n" ));
1150                                  }
1151                                         int i;
1152
1153                                         //mprintf(( "Got %d events\n", dwItems ));
1154
1155                                         for (i=0; i<(int)dwItems; i++ ) {
1156                                                 int key = rgdod[i].dwOfs;
1157                                                 int state = rgdod[i].dwData;
1158                                                 int stamp = rgdod[i].dwTimeStamp;
1159
1160                                                 int latency;
1161                                                 latency = timeGetTime() - stamp;
1162                                                 if ( latency < 0 )
1163                                                         latency=0;
1164
1165 //                                              if ( key == KEY_PRINT_SCRN )    {
1166 //                                                      key_mark( key, 1, latency );
1167 //                                              }
1168 //                                              key_mark( key, (state&0x80?1:0), latency );
1169                                                 mprintf(( "Key=%x, State=%x, Time=%d, Latency=%d\n", key, state, stamp, latency ));
1170                                         }
1171
1172                         }
1173                 }
1174
1175         }
1176
1177         return 0;
1178 }
1179
1180
1181 int di_init()
1182 {
1183     HRESULT hr;
1184
1185          return 0;
1186
1187
1188     /*
1189      *  Register with the DirectInput subsystem and get a pointer
1190      *  to a IDirectInput interface we can use.
1191      *
1192      *  Parameters:
1193      *
1194      *      g_hinst
1195      *
1196      *          Instance handle to our application or DLL.
1197      *
1198      *      DIRECTINPUT_VERSION
1199      *
1200      *          The version of DirectInput we were designed for.
1201      *          We take the value from the <dinput.h> header file.
1202      *
1203      *      &g_pdi
1204      *
1205      *          Receives pointer to the IDirectInput interface
1206      *          that was created.
1207      *
1208      *      NULL
1209      *
1210      *          We do not use OLE aggregation, so this parameter
1211      *          must be NULL.
1212      *
1213      */
1214     hr = DirectInputCreate(GetModuleHandle(NULL), 0x300, &Di_object, NULL);
1215
1216     if (FAILED(hr)) {
1217         mprintf(( "DirectInputCreate failed!\n" ));
1218         return FALSE;
1219     }
1220
1221     /*
1222      *  Obtain an interface to the system keyboard device.
1223      *
1224      *  Parameters:
1225      *
1226      *      GUID_SysKeyboard
1227      *
1228      *          The instance GUID for the device we wish to access.
1229      *          GUID_SysKeyboard is a predefined instance GUID that
1230      *          always refers to the system keyboard device.
1231      *
1232      *      &g_pKeyboard
1233      *
1234      *          Receives pointer to the IDirectInputDevice interface
1235      *          that was created.
1236      *
1237      *      NULL
1238      *
1239      *          We do not use OLE aggregation, so this parameter
1240      *          must be NULL.
1241      *
1242      */
1243     hr = Di_object->CreateDevice(GUID_SysKeyboard, &Di_keyboard, NULL);
1244
1245     if (FAILED(hr)) {
1246         mprintf(( "CreateDevice failed!\n" ));
1247         return FALSE;
1248     }
1249
1250     /*
1251      *  Set the data format to "keyboard format".
1252      *
1253      *  A data format specifies which controls on a device we
1254      *  are interested in, and how they should be reported.
1255      *
1256      *  This tells DirectInput that we will be passing an array
1257      *  of 256 bytes to IDirectInputDevice::GetDeviceState.
1258      *
1259      *  Parameters:
1260      *
1261      *      c_dfDIKeyboard
1262      *
1263      *          Predefined data format which describes
1264      *          an array of 256 bytes, one per scancode.
1265      */
1266     hr = Di_keyboard->SetDataFormat(&c_dfDIKeyboard);
1267
1268     if (FAILED(hr)) {
1269         mprintf(( "SetDataFormat failed!\n" ));
1270         return FALSE;
1271     }
1272
1273
1274     /*
1275      *  Set the cooperativity level to let DirectInput know how
1276      *  this device should interact with the system and with other
1277      *  DirectInput applications.
1278      *
1279      *  Parameters:
1280      *
1281      *      DISCL_NONEXCLUSIVE
1282      *
1283      *          Retrieve keyboard data when acquired, not interfering
1284      *          with any other applications which are reading keyboard
1285      *          data.
1286      *
1287      *      DISCL_FOREGROUND
1288      *
1289      *          If the user switches away from our application,
1290      *          automatically release the keyboard back to the system.
1291      *
1292      */
1293         hr = Di_keyboard->SetCooperativeLevel((HWND)os_get_window(), DISCL_NONEXCLUSIVE | DISCL_FOREGROUND);
1294
1295         if (FAILED(hr)) {
1296                 mprintf(( "SetCooperativeLevel failed!\n" ));
1297                 return FALSE;
1298         }
1299
1300         DIPROPDWORD hdr;
1301
1302         // Turn on buffering
1303         hdr.diph.dwSize = sizeof(DIPROPDWORD);
1304         hdr.diph.dwHeaderSize = sizeof(DIPROPHEADER);
1305         hdr.diph.dwObj = 0;
1306         hdr.diph.dwHow = DIPH_DEVICE;   // Apply to entire device
1307         hdr.dwData = 16;        //MAX_BUFFERED_KEYBOARD_EVENTS;
1308
1309         hr = Di_keyboard->SetProperty( DIPROP_BUFFERSIZE, &hdr.diph );
1310         if (FAILED(hr)) {
1311                 mprintf(( "SetProperty DIPROP_BUFFERSIZE failed\n" ));
1312                 return FALSE;
1313         }
1314
1315
1316         Di_event = CreateEvent( NULL, FALSE, FALSE, NULL );
1317         Assert(Di_event != NULL);
1318
1319         Di_thread = CreateThread(NULL, 1024, (LPTHREAD_START_ROUTINE)di_process, NULL, 0, &Di_thread_id);
1320         Assert( Di_thread != NULL );
1321
1322         SetThreadPriority(Di_thread, THREAD_PRIORITY_HIGHEST);
1323
1324         hr = Di_keyboard->SetEventNotification(Di_event);
1325         if (FAILED(hr)) {
1326                 mprintf(( "SetEventNotification failed\n" ));
1327                 return FALSE;
1328         }
1329
1330         Di_keyboard->Acquire();
1331
1332         return TRUE;
1333 }
1334
1335 void di_cleanup()
1336 {
1337     /*
1338      *  Destroy any lingering IDirectInputDevice object.
1339      */
1340     if (Di_keyboard) {
1341
1342         /*
1343          *  Cleanliness is next to godliness.  Unacquire the device
1344          *  one last time just in case we got really confused and tried
1345          *  to exit while the device is still acquired.
1346          */
1347         Di_keyboard->Unacquire();
1348
1349         Di_keyboard->Release();
1350         Di_keyboard = NULL;
1351     }
1352
1353     /*
1354      *  Destroy any lingering IDirectInput object.
1355      */
1356     if (Di_object) {
1357         Di_object->Release();
1358         Di_object = NULL;
1359     }
1360
1361         if ( Di_event ) {
1362                 CloseHandle(Di_event);
1363                 Di_event = NULL;
1364         }
1365
1366 }
1367
1368 #endif
1369
1370
1371
1372