src/engine/e_input_stub.inc

   1 interface
   2
   3   uses SysUtils;
   4
   5   const
   6     e_MaxKbdKeys  = 256;
   7     e_MaxJoys     = 4;
   8     e_MaxJoyBtns  = 32;
   9     e_MaxJoyAxes  = 8;
  10     e_MaxJoyHats  = 8;
  11     e_MaxVirtKeys = 48;
  12
  13     e_MaxJoyKeys = e_MaxJoyBtns + e_MaxJoyAxes*2 + e_MaxJoyHats*4;
  14
  15     e_MaxInputKeys = e_MaxKbdKeys + e_MaxJoys*e_MaxJoyKeys + e_MaxVirtKeys - 1;
  16     // $$$..$$$ -  321 Keyboard buttons/keys
  17     // $$$..$$$ - 4*32 Joystick buttons
  18     // $$$..$$$ -  8*2 Joystick axes (- and +)
  19     // $$$..$$$ -  4*4 Joystick hats (L U R D)
  20     // $$$..$$$ -   48 Virtual buttons/keys
  21
  22     KBRD_END = e_MaxKbdKeys;
  23     JOYK_BEG = KBRD_END;
  24     JOYK_END = JOYK_BEG + e_MaxJoyBtns*e_MaxJoys;
  25     JOYA_BEG = JOYK_END;
  26     JOYA_END = JOYA_BEG + e_MaxJoyAxes*2*e_MaxJoys;
  27     JOYH_BEG = JOYA_END;
  28     JOYH_END = JOYH_BEG + e_MaxJoyHats*4*e_MaxJoys;
  29     VIRT_BEG = JOYH_END;
  30     VIRT_END = VIRT_BEG + e_MaxVirtKeys;
  31
  32     // these are apparently used in g_gui and g_game and elsewhere
  33     IK_INVALID = 0;
  34     IK_ESCAPE  = 1;
  35     IK_RETURN  = 2;
  36     IK_KPRETURN= 3;
  37     IK_ENTER   = IK_RETURN;
  38     IK_KPINSERT = 5;
  39     IK_UP      = 6;
  40     IK_KPUP    = 7;
  41     IK_DOWN    = 8;
  42     IK_KPDOWN  = 9;
  43     IK_LEFT    = 10;
  44     IK_KPLEFT  = 11;
  45     IK_RIGHT   = 12;
  46     IK_KPRIGHT = 13;
  47     IK_DELETE  = 14;
  48     IK_HOME    = 15;
  49     IK_KPHOME  = 16;
  50     IK_INSERT  = 17;
  51     IK_SPACE   = 18;
  52     IK_SHIFT   = 20;
  53     IK_ALT     = 21;
  54     IK_TAB     = 22;
  55     IK_PAGEUP  = 23;
  56     IK_KPPAGEUP= 24;
  57     IK_PAGEDN  = 25;
  58     IK_KPPAGEDN= 26;
  59     IK_KP5     = 27;
  60     IK_NUMLOCK = 28;
  61     IK_KPDIVIDE= 29;
  62     IK_KPMULTIPLE= 30;
  63     IK_KPMINUS = 31;
  64     IK_KPPLUS  = 32;
  65     IK_KPENTER = IK_KPRETURN;
  66     IK_KPDOT   = 34;
  67     IK_CAPSLOCK= 35;
  68     IK_RSHIFT  = 36;
  69     IK_CTRL    = 37;
  70     IK_RCTRL   = 38;
  71     IK_RALT    = 39;
  72     IK_WIN     = 40;
  73     IK_RWIN    = 41;
  74     IK_MENU    = 42;
  75     IK_PRINTSCR= 43;
  76     IK_SCROLLLOCK= 44;
  77     IK_LBRACKET= 45;
  78     IK_RBRACKET= 46;
  79     IK_SEMICOLON= 47;
  80     IK_QUOTE   = 48;
  81     IK_BACKSLASH= 49;
  82     IK_SLASH   = 50;
  83     IK_COMMA   = 51;
  84     IK_DOT     = 52;
  85     IK_EQUALS  = 53;
  86     IK_0       = 54;
  87     IK_1       = 55;
  88     IK_2       = 56;
  89     IK_3       = 57;
  90     IK_4       = 58;
  91     IK_5       = 59;
  92     IK_6       = 60;
  93     IK_7       = 61;
  94     IK_8       = 62;
  95     IK_9       = 63;
  96     IK_F1      = 64;
  97     IK_F2      = 65;
  98     IK_F3      = 66;
  99     IK_F4      = 67;
 100     IK_F5      = 68;
 101     IK_F6      = 69;
 102     IK_F7      = 70;
 103     IK_F8      = 71;
 104     IK_F9      = 72;
 105     IK_F10     = 73;
 106     IK_F11     = 74;
 107     IK_F12     = 75;
 108     IK_END     = 76;
 109     IK_KPEND   = 77;
 110     IK_BACKSPACE = 78;
 111     IK_BACKQUOTE = 79;
 112     IK_GRAVE     = IK_BACKQUOTE;
 113     IK_PAUSE   = 81;
 114     IK_A       = 82;
 115     IK_B       = 83;
 116     IK_C       = 84;
 117     IK_D       = 85;
 118     IK_E       = 86;
 119     IK_F       = 87;
 120     IK_G       = 88;
 121     IK_H       = 89;
 122     IK_I       = 90;
 123     IK_J       = 91;
 124     IK_K       = 92;
 125     IK_L       = 93;
 126     IK_M       = 94;
 127     IK_N       = 95;
 128     IK_O       = 96;
 129     IK_P       = 97;
 130     IK_Q       = 98;
 131     IK_R       = 99;
 132     IK_S       = 100;
 133     IK_T       = 101;
 134     IK_U       = 102;
 135     IK_V       = 103;
 136     IK_W       = 104;
 137     IK_X       = 105;
 138     IK_Y       = 106;
 139     IK_Z       = 107;
 140     IK_MINUS   = 108;
 141     IK_RMETA   = 109;
 142     IK_LMETA   = 110;
 143     // TODO: think of something better than this shit
 144     IK_LASTKEY = e_MaxKbdKeys-1;
 145
 146   VK_FIRSTKEY = e_MaxKbdKeys + e_MaxJoys*e_MaxJoyKeys;
 147   VK_LEFT     = VK_FIRSTKEY + 0;
 148   VK_RIGHT    = VK_FIRSTKEY + 1;
 149   VK_UP       = VK_FIRSTKEY + 2;
 150   VK_DOWN     = VK_FIRSTKEY + 3;
 151   VK_FIRE     = VK_FIRSTKEY + 4;
 152   VK_OPEN     = VK_FIRSTKEY + 5;
 153   VK_JUMP     = VK_FIRSTKEY + 6;
 154   VK_CHAT     = VK_FIRSTKEY + 7;
 155   VK_ESCAPE   = VK_FIRSTKEY + 8;
 156   VK_0        = VK_FIRSTKEY + 9;
 157   VK_1        = VK_FIRSTKEY + 10;
 158   VK_2        = VK_FIRSTKEY + 11;
 159   VK_3        = VK_FIRSTKEY + 12;
 160   VK_4        = VK_FIRSTKEY + 13;
 161   VK_5        = VK_FIRSTKEY + 14;
 162   VK_6        = VK_FIRSTKEY + 15;
 163   VK_7        = VK_FIRSTKEY + 16;
 164   VK_8        = VK_FIRSTKEY + 17;
 165   VK_9        = VK_FIRSTKEY + 18;
 166   VK_A        = VK_FIRSTKEY + 19;
 167   VK_B        = VK_FIRSTKEY + 20;
 168   VK_C        = VK_FIRSTKEY + 21;
 169   VK_D        = VK_FIRSTKEY + 22;
 170   VK_E        = VK_FIRSTKEY + 23;
 171   VK_F        = VK_FIRSTKEY + 24;
 172   VK_CONSOLE  = VK_FIRSTKEY + 25;
 173   VK_STATUS   = VK_FIRSTKEY + 26;
 174   VK_TEAM     = VK_FIRSTKEY + 27;
 175   VK_PREV     = VK_FIRSTKEY + 28;
 176   VK_NEXT     = VK_FIRSTKEY + 29;
 177   VK_STRAFE   = VK_FIRSTKEY + 30;
 178   VK_LSTRAFE  = VK_FIRSTKEY + 31;
 179   VK_RSTRAFE  = VK_FIRSTKEY + 32;
 180   VK_PRINTSCR = VK_FIRSTKEY + 33;
 181   VK_SHOWKBD  = VK_FIRSTKEY + 34;
 182   VK_HIDEKBD  = VK_FIRSTKEY + 35;
 183   VK_LASTKEY  = e_MaxKbdKeys + e_MaxJoys*e_MaxJoyKeys + e_MaxVirtKeys - 1;
 184
 185   AX_MINUS  = 0;
 186   AX_PLUS   = 1;
 187   HAT_LEFT  = 0;
 188   HAT_UP    = 1;
 189   HAT_RIGHT = 2;
 190   HAT_DOWN  = 3;
 191
 192   JOY0_ATTACK = JOYK_BEG + 0*e_MaxJoyBtns + 0;
 193   JOY1_ATTACK = JOYK_BEG + 1*e_MaxJoyBtns + 0;
 194   JOY2_ATTACK = JOYK_BEG + 2*e_MaxJoyBtns + 0;
 195   JOY3_ATTACK = JOYK_BEG + 3*e_MaxJoyBtns + 0;
 196   JOY0_NEXT = JOYK_BEG + 0*e_MaxJoyBtns + 1;
 197   JOY1_NEXT = JOYK_BEG + 1*e_MaxJoyBtns + 1;
 198   JOY2_NEXT = JOYK_BEG + 2*e_MaxJoyBtns + 1;
 199   JOY3_NEXT = JOYK_BEG + 3*e_MaxJoyBtns + 1;
 200   JOY0_JUMP = JOYK_BEG + 0*e_MaxJoyBtns + 2;
 201   JOY1_JUMP = JOYK_BEG + 1*e_MaxJoyBtns + 2;
 202   JOY2_JUMP = JOYK_BEG + 2*e_MaxJoyBtns + 2;
 203   JOY3_JUMP = JOYK_BEG + 3*e_MaxJoyBtns + 2;
 204   JOY0_ACTIVATE = JOYK_BEG + 0*e_MaxJoyBtns + 3;
 205   JOY1_ACTIVATE = JOYK_BEG + 1*e_MaxJoyBtns + 3;
 206   JOY2_ACTIVATE = JOYK_BEG + 2*e_MaxJoyBtns + 3;
 207   JOY3_ACTIVATE = JOYK_BEG + 3*e_MaxJoyBtns + 3;
 208   JOY0_PREV = JOYK_BEG + 0*e_MaxJoyBtns + 4;
 209   JOY1_PREV = JOYK_BEG + 1*e_MaxJoyBtns + 4;
 210   JOY2_PREV = JOYK_BEG + 2*e_MaxJoyBtns + 4;
 211   JOY3_PREV = JOYK_BEG + 3*e_MaxJoyBtns + 4;
 212
 213   JOY0_LEFT = JOYH_BEG + 0*e_MaxJoyHats*4 + 0*4 + HAT_LEFT;
 214   JOY1_LEFT = JOYH_BEG + 1*e_MaxJoyHats*4 + 0*4 + HAT_LEFT;
 215   JOY2_LEFT = JOYH_BEG + 2*e_MaxJoyHats*4 + 0*4 + HAT_LEFT;
 216   JOY3_LEFT = JOYH_BEG + 3*e_MaxJoyHats*4 + 0*4 + HAT_LEFT;
 217   JOY0_RIGHT = JOYH_BEG + 0*e_MaxJoyHats*4 + 0*4 + HAT_RIGHT;
 218   JOY1_RIGHT = JOYH_BEG + 1*e_MaxJoyHats*4 + 0*4 + HAT_RIGHT;
 219   JOY2_RIGHT = JOYH_BEG + 2*e_MaxJoyHats*4 + 0*4 + HAT_RIGHT;
 220   JOY3_RIGHT = JOYH_BEG + 3*e_MaxJoyHats*4 + 0*4 + HAT_RIGHT;
 221   JOY0_UP = JOYH_BEG + 0*e_MaxJoyHats*4 + 0*4 + HAT_UP;
 222   JOY1_UP = JOYH_BEG + 1*e_MaxJoyHats*4 + 0*4 + HAT_UP;
 223   JOY2_UP = JOYH_BEG + 2*e_MaxJoyHats*4 + 0*4 + HAT_UP;
 224   JOY3_UP = JOYH_BEG + 3*e_MaxJoyHats*4 + 0*4 + HAT_UP;
 225   JOY0_DOWN = JOYH_BEG + 0*e_MaxJoyHats*4 + 0*4 + HAT_DOWN;
 226   JOY1_DOWN = JOYH_BEG + 1*e_MaxJoyHats*4 + 0*4 + HAT_DOWN;
 227   JOY2_DOWN = JOYH_BEG + 2*e_MaxJoyHats*4 + 0*4 + HAT_DOWN;
 228   JOY3_DOWN = JOYH_BEG + 3*e_MaxJoyHats*4 + 0*4 + HAT_DOWN;
 229
 230 function  e_InitInput: Boolean;
 231 procedure e_ReleaseInput;
 232 procedure e_UnpressAllKeys;
 233 procedure e_KeyUpDown (key: Integer; down: Boolean);
 234
 235 function  e_KeyPressed (key: Integer): Boolean;
 236 function  e_AnyKeyPressed: Boolean;
 237 function  e_GetFirstKeyPressed: Integer;
 238 function  e_HasJoysticks: Boolean;
 239
 240 function  e_JoyButtonToKey (id, btn: Integer): Integer;
 241 function  e_JoyAxisToKey (id, ax, dir: Integer): Integer;
 242 function  e_JoyHatToKey (id, hat, dir: Integer): Integer;
 243
 244 var
 245   e_JoystickAvailable: array [0..e_MaxJoys - 1] of Boolean;
 246   e_JoystickDeadzones: array [0..e_MaxJoys - 1] of Integer = (8192, 8192, 8192, 8192);
 247   e_KeyNames: array [0..e_MaxInputKeys] of String;
 248
 249 implementation
 250
 251 var
 252   InputBuffer: array [0..e_MaxInputKeys - 1] of Boolean;
 253
 254 procedure e_UnpressAllKeys;
 255   var i: Integer;
 256 begin
 257   for i := 0 to High(InputBuffer) do
 258     InputBuffer[i] := False
 259 end;
 260
 261 procedure e_KeyUpDown (key: Integer; down: Boolean);
 262 begin
 263   ASSERT(key >= 0);
 264   ASSERT(key < e_MaxInputKeys);
 265   if key > 0 then
 266     InputBuffer[key] := down
 267 end;
 268
 269 procedure GenerateKeyNames;
 270   var i, j, k: Integer;
 271 begin
 272   // keyboard key names
 273   e_KeyNames[IK_0] := '0';
 274   e_KeyNames[IK_1] := '1';
 275   e_KeyNames[IK_2] := '2';
 276   e_KeyNames[IK_3] := '3';
 277   e_KeyNames[IK_4] := '4';
 278   e_KeyNames[IK_5] := '5';
 279   e_KeyNames[IK_6] := '6';
 280   e_KeyNames[IK_7] := '7';
 281   e_KeyNames[IK_8] := '8';
 282   e_KeyNames[IK_9] := '9';
 283
 284   for i := IK_A to IK_Z do
 285     e_KeyNames[i] := '' + chr(ord('a') + (i - IK_a));
 286
 287   e_KeyNames[IK_ESCAPE] := 'ESCAPE';
 288   e_KeyNames[IK_ENTER] := 'ENTER';
 289   e_KeyNames[IK_TAB] := 'TAB';
 290   e_KeyNames[IK_BACKSPACE] := 'BACKSPACE';
 291   e_KeyNames[IK_SPACE] := 'SPACE';
 292   e_KeyNames[IK_UP] := 'UP';
 293   e_KeyNames[IK_LEFT] := 'LEFT';
 294   e_KeyNames[IK_RIGHT] := 'RIGHT';
 295   e_KeyNames[IK_DOWN] := 'DOWN';
 296   e_KeyNames[IK_INSERT] := 'INSERT';
 297   e_KeyNames[IK_DELETE] := 'DELETE';
 298   e_KeyNames[IK_HOME] := 'HOME';
 299   e_KeyNames[IK_END] := 'END';
 300   e_KeyNames[IK_PAGEUP] := 'PGUP';
 301   e_KeyNames[IK_PAGEDN] := 'PGDOWN';
 302   e_KeyNames[IK_KPINSERT] := 'PAD0';
 303   e_KeyNames[IK_KPEND] := 'PAD1';
 304   e_KeyNames[IK_KPDOWN] := 'PAD2';
 305   e_KeyNames[IK_KPPAGEDN] := 'PAD3';
 306   e_KeyNames[IK_KPLEFT] := 'PAD4';
 307   e_KeyNames[IK_KP5] := 'PAD5';
 308   e_KeyNames[IK_KPRIGHT] := 'PAD6';
 309   e_KeyNames[IK_KPHOME] := 'PAD7';
 310   e_KeyNames[IK_KPUP] := 'PAD8';
 311   e_KeyNames[IK_KPPAGEUP] := 'PAD9';
 312   e_KeyNames[IK_NUMLOCK] := 'NUM';
 313   e_KeyNames[IK_KPDIVIDE] := 'PAD/';
 314   e_KeyNames[IK_KPMULTIPLE] := 'PAD*';
 315   e_KeyNames[IK_KPMINUS] := 'PAD-';
 316   e_KeyNames[IK_KPPLUS] := 'PAD+';
 317   e_KeyNames[IK_KPENTER] := 'PADENTER';
 318   e_KeyNames[IK_KPDOT] := 'PAD.';
 319   e_KeyNames[IK_CAPSLOCK] := 'CAPS';
 320   e_KeyNames[IK_BACKQUOTE] := 'BACKQUOTE';
 321   e_KeyNames[IK_F1] := 'F1';
 322   e_KeyNames[IK_F2] := 'F2';
 323   e_KeyNames[IK_F3] := 'F3';
 324   e_KeyNames[IK_F4] := 'F4';
 325   e_KeyNames[IK_F5] := 'F5';
 326   e_KeyNames[IK_F6] := 'F6';
 327   e_KeyNames[IK_F7] := 'F7';
 328   e_KeyNames[IK_F8] := 'F8';
 329   e_KeyNames[IK_F9] := 'F9';
 330   e_KeyNames[IK_F10] := 'F10';
 331   e_KeyNames[IK_F11] := 'F11';
 332   e_KeyNames[IK_F12] := 'F12';
 333   e_KeyNames[IK_SHIFT] := 'LSHIFT';
 334   e_KeyNames[IK_RSHIFT] := 'RSHIFT';
 335   e_KeyNames[IK_CTRL] := 'LCTRL';
 336   e_KeyNames[IK_RCTRL] := 'RCTRL';
 337   e_KeyNames[IK_ALT] := 'LALT';
 338   e_KeyNames[IK_RALT] := 'RALT';
 339   e_KeyNames[IK_WIN] := 'LWIN';
 340   e_KeyNames[IK_RWIN] := 'RWIN';
 341   e_KeyNames[IK_MENU] := 'MENU';
 342   e_KeyNames[IK_PRINTSCR] := 'PSCRN';
 343   e_KeyNames[IK_SCROLLLOCK] := 'SCROLL';
 344   e_KeyNames[IK_PAUSE] := 'PAUSE';
 345   e_KeyNames[IK_LBRACKET] := '[';
 346   e_KeyNames[IK_RBRACKET] := ']';
 347   e_KeyNames[IK_SEMICOLON] := ';';
 348   e_KeyNames[IK_QUOTE] := '''';
 349   e_KeyNames[IK_BACKSLASH] := '\';
 350   e_KeyNames[IK_SLASH] := '/';
 351   e_KeyNames[IK_COMMA] := ',';
 352   e_KeyNames[IK_DOT] := '.';
 353   e_KeyNames[IK_MINUS] := '-';
 354   e_KeyNames[IK_EQUALS] := '=';
 355   e_KeyNames[IK_RMETA] := 'RMETA';
 356   e_KeyNames[IK_LMETA] := 'LMETA';
 357
 358   // joysticks
 359   for j := 0 to e_MaxJoys-1 do
 360   begin
 361     k := JOYK_BEG + j * e_MaxJoyBtns;
 362     // buttons
 363     for i := 0 to e_MaxJoyBtns-1 do
 364       e_KeyNames[k + i] := Format('JOY%dB%d', [j, i]);
 365     k := JOYA_BEG + j * e_MaxJoyAxes * 2;
 366     // axes
 367     for i := 0 to e_MaxJoyAxes-1 do
 368     begin
 369       e_KeyNames[k + i*2    ] := Format('JOY%dA%d+', [j, i]);
 370       e_KeyNames[k + i*2 + 1] := Format('JOY%dA%d-', [j, i]);
 371     end;
 372     k := JOYH_BEG + j * e_MaxJoyHats * 4;
 373     // hats
 374     for i := 0 to e_MaxJoyHats-1 do
 375     begin
 376       e_KeyNames[k + i*4    ] := Format('JOY%dD%dL', [j, i]);
 377       e_KeyNames[k + i*4 + 1] := Format('JOY%dD%dU', [j, i]);
 378       e_KeyNames[k + i*4 + 2] := Format('JOY%dD%dR', [j, i]);
 379       e_KeyNames[k + i*4 + 3] := Format('JOY%dD%dD', [j, i]);
 380     end;
 381   end;
 382
 383   // vitrual keys
 384   for i := 0 to e_MaxVirtKeys-1 do
 385     e_KeyNames[VIRT_BEG + i] := 'VIRTUAL' + IntToStr(i);
 386 end;
 387
 388 function e_HasJoysticks: Boolean;
 389   var i: Integer;
 390 begin
 391   i := 0;
 392   while (i < e_MaxJoys) and (e_JoystickAvailable[i] = False) do inc(i);
 393   result := i < e_MaxJoys
 394 end;
 395
 396 function e_InitInput: Boolean;
 397   var i: Integer;
 398 begin
 399   for i := 0 to e_MaxJoys - 1 do
 400     e_JoystickAvailable[i] := False;
 401   GenerateKeyNames;
 402   result := True
 403 end;
 404
 405 procedure e_ReleaseInput;
 406   var i: Integer;
 407 begin
 408   for i := 0 to e_MaxJoys - 1 do
 409     e_JoystickAvailable[i] := False
 410 end;
 411
 412 function e_KeyPressed (key: Integer): Boolean;
 413 begin
 414   ASSERT(key >= 0);
 415   ASSERT(key < e_MaxInputKeys);
 416   result := InputBuffer[key]
 417 end;
 418
 419 function e_AnyKeyPressed: Boolean;
 420 begin
 421   result := e_GetFirstKeyPressed <> IK_INVALID;
 422 end;
 423
 424 function e_GetFirstKeyPressed: Integer;
 425   var i: Integer;
 426 begin
 427   i := 1;
 428   while (i < e_MaxInputKeys) and (InputBuffer[i] = False) do inc(i);
 429   if i < e_MaxInputKeys then
 430     result := i
 431   else
 432     result := IK_INVALID
 433 end;
 434
 435 function e_JoyButtonToKey (id, btn: Integer): Integer;
 436 begin
 437   ASSERT(id >= 0);
 438   ASSERT(id < e_MaxJoys);
 439   ASSERT(btn >= 0);
 440   ASSERT(btn < e_MaxJoyBtns);
 441   result := JOYK_BEG + id*e_MaxJoyBtns + btn
 442 end;
 443
 444 function e_JoyAxisToKey (id, ax, dir: Integer): Integer;
 445 begin
 446   ASSERT(id >= 0);
 447   ASSERT(id < e_MaxJoys);
 448   ASSERT(ax >= 0);
 449   ASSERT(ax < e_MaxJoyAxes);
 450   ASSERT(dir in [AX_MINUS, AX_PLUS]);
 451   result := JOYA_BEG + id*e_MaxJoyAxes*2 + ax*2 + dir
 452 end;
 453
 454 function e_JoyHatToKey (id, hat, dir: Integer): Integer;
 455 begin
 456   ASSERT(id >= 0);
 457   ASSERT(id < e_MaxJoys);
 458   ASSERT(hat >= 0);
 459   ASSERT(hat < e_MaxJoyHats);
 460   ASSERT(dir in [HAT_LEFT, HAT_UP, HAT_RIGHT, HAT_DOWN]);
 461   result := JOYH_BEG + id*e_MaxJoyHats*4 + hat*4 + dir
 462 end;