1 (* Copyright (C) Doom 2D: Forever Developers
3 * This program is free software: you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation, either version 3 of the License, or
6 * (at your option) any later version.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
16 {$INCLUDE ../shared/a_modes.inc}
27 e_MaxKbdKeys
= SDL_NUM_SCANCODES
;
34 e_MaxJoyKeys
= e_MaxJoyBtns
+ e_MaxJoyAxes
*2 + e_MaxJoyHats
*4;
36 e_MaxInputKeys
= e_MaxKbdKeys
+ e_MaxJoys
*e_MaxJoyKeys
+ e_MaxVirtKeys
- 1;
37 // $$$..$$$ - 321 Keyboard buttons/keys
38 // $$$..$$$ - 4*32 Joystick buttons
39 // $$$..$$$ - 8*2 Joystick axes (- and +)
40 // $$$..$$$ - 4*4 Joystick hats (L U R D)
41 // $$$..$$$ - 48 Virtual buttons/keys
43 // these are apparently used in g_gui and g_game and elsewhere
45 IK_ESCAPE
= SDL_SCANCODE_ESCAPE
;
46 IK_RETURN
= SDL_SCANCODE_RETURN
;
47 IK_KPRETURN
= SDL_SCANCODE_KP_ENTER
;
48 IK_ENTER
= SDL_SCANCODE_RETURN
;
49 IK_UP
= SDL_SCANCODE_UP
;
50 IK_KPUP
= SDL_SCANCODE_KP_8
;
51 IK_DOWN
= SDL_SCANCODE_DOWN
;
52 IK_KPDOWN
= SDL_SCANCODE_KP_2
;
53 IK_LEFT
= SDL_SCANCODE_LEFT
;
54 IK_KPLEFT
= SDL_SCANCODE_KP_4
;
55 IK_RIGHT
= SDL_SCANCODE_RIGHT
;
56 IK_KPRIGHT
= SDL_SCANCODE_KP_6
;
57 IK_DELETE
= SDL_SCANCODE_DELETE
;
58 IK_HOME
= SDL_SCANCODE_HOME
;
59 IK_KPHOME
= SDL_SCANCODE_KP_7
;
60 IK_INSERT
= SDL_SCANCODE_INSERT
;
61 IK_SPACE
= SDL_SCANCODE_SPACE
;
62 IK_CONTROL
= SDL_SCANCODE_LCTRL
;
63 IK_SHIFT
= SDL_SCANCODE_LSHIFT
;
64 IK_TAB
= SDL_SCANCODE_TAB
;
65 IK_PAGEUP
= SDL_SCANCODE_PAGEUP
;
66 IK_KPPAGEUP
= SDL_SCANCODE_KP_9
;
67 IK_PAGEDN
= SDL_SCANCODE_PAGEDOWN
;
68 IK_KPPAGEDN
= SDL_SCANCODE_KP_3
;
69 IK_F2
= SDL_SCANCODE_F2
;
70 IK_F3
= SDL_SCANCODE_F3
;
71 IK_F4
= SDL_SCANCODE_F4
;
72 IK_F5
= SDL_SCANCODE_F5
;
73 IK_F6
= SDL_SCANCODE_F6
;
74 IK_F7
= SDL_SCANCODE_F7
;
75 IK_F8
= SDL_SCANCODE_F8
;
76 IK_F9
= SDL_SCANCODE_F9
;
77 IK_F10
= SDL_SCANCODE_F10
;
78 IK_END
= SDL_SCANCODE_END
;
79 IK_KPEND
= SDL_SCANCODE_KP_1
;
80 IK_BACKSPACE
= SDL_SCANCODE_BACKSPACE
;
81 IK_BACKQUOTE
= SDL_SCANCODE_GRAVE
;
82 IK_GRAVE
= SDL_SCANCODE_GRAVE
;
83 IK_PAUSE
= SDL_SCANCODE_PAUSE
;
84 IK_Y
= SDL_SCANCODE_Y
;
85 IK_N
= SDL_SCANCODE_N
;
86 // TODO: think of something better than this shit
87 IK_LASTKEY
= SDL_NUM_SCANCODES
-1;
89 VK_FIRSTKEY
= e_MaxKbdKeys
+ e_MaxJoys
*e_MaxJoyKeys
;
90 VK_LEFT
= VK_FIRSTKEY
+ 0;
91 VK_RIGHT
= VK_FIRSTKEY
+ 1;
92 VK_UP
= VK_FIRSTKEY
+ 2;
93 VK_DOWN
= VK_FIRSTKEY
+ 3;
94 VK_FIRE
= VK_FIRSTKEY
+ 4;
95 VK_OPEN
= VK_FIRSTKEY
+ 5;
96 VK_JUMP
= VK_FIRSTKEY
+ 6;
97 VK_CHAT
= VK_FIRSTKEY
+ 7;
98 VK_ESCAPE
= VK_FIRSTKEY
+ 8;
99 VK_0
= VK_FIRSTKEY
+ 9;
100 VK_1
= VK_FIRSTKEY
+ 10;
101 VK_2
= VK_FIRSTKEY
+ 11;
102 VK_3
= VK_FIRSTKEY
+ 12;
103 VK_4
= VK_FIRSTKEY
+ 13;
104 VK_5
= VK_FIRSTKEY
+ 14;
105 VK_6
= VK_FIRSTKEY
+ 15;
106 VK_7
= VK_FIRSTKEY
+ 16;
107 VK_8
= VK_FIRSTKEY
+ 17;
108 VK_9
= VK_FIRSTKEY
+ 18;
109 VK_A
= VK_FIRSTKEY
+ 19;
110 VK_B
= VK_FIRSTKEY
+ 20;
111 VK_C
= VK_FIRSTKEY
+ 21;
112 VK_D
= VK_FIRSTKEY
+ 22;
113 VK_E
= VK_FIRSTKEY
+ 23;
114 VK_F
= VK_FIRSTKEY
+ 24;
115 VK_CONSOLE
= VK_FIRSTKEY
+ 25;
116 VK_STATUS
= VK_FIRSTKEY
+ 26;
117 VK_TEAM
= VK_FIRSTKEY
+ 27;
118 VK_PREV
= VK_FIRSTKEY
+ 28;
119 VK_NEXT
= VK_FIRSTKEY
+ 29;
120 VK_STRAFE
= VK_FIRSTKEY
+ 30;
121 VK_LSTRAFE
= VK_FIRSTKEY
+ 31;
122 VK_RSTRAFE
= VK_FIRSTKEY
+ 32;
123 VK_PRINTSCR
= VK_FIRSTKEY
+ 33;
124 VK_LASTKEY
= e_MaxKbdKeys
+ e_MaxJoys
*e_MaxJoyKeys
+ e_MaxVirtKeys
- 1;
133 function e_InitInput(): Boolean;
134 procedure e_ReleaseInput();
135 procedure e_ClearInputBuffer();
136 //function e_PollInput(): Boolean;
137 procedure e_PollJoysticks(); // call this from message loop to update joysticks
138 function e_KeyPressed(Key
: Word): Boolean;
139 function e_AnyKeyPressed(): Boolean;
140 function e_GetFirstKeyPressed(): Word;
141 function e_JoystickStateToString(mode
: Integer): String;
142 function e_JoyByHandle(handle
: Word): Integer;
143 function e_JoyButtonToKey(id
: Word; btn
: Byte): Word;
144 function e_JoyAxisToKey(id
: Word; ax
: Byte; dir
: Byte): Word;
145 function e_JoyHatToKey(id
: Word; hat
: Byte; dir
: Byte): Word;
146 procedure e_SetKeyState(key
: Word; state
: Integer);
148 procedure e_UnpressAllKeys ();
149 procedure e_KeyUpDown (key
: Word; down
: Boolean);
152 {e_MouseInfo: TMouseInfo;}
153 e_EnableInput
: Boolean = False;
154 e_JoysticksAvailable
: Byte = 0;
155 e_JoystickDeadzones
: array [0..e_MaxJoys
-1] of Integer = (8192, 8192, 8192, 8192);
156 e_KeyNames
: array [0..e_MaxInputKeys
] of String;
163 KBRD_END
= e_MaxKbdKeys
;
165 JOYK_END
= JOYK_BEG
+ e_MaxJoyBtns
*e_MaxJoys
;
167 JOYA_END
= JOYA_BEG
+ e_MaxJoyAxes
*2*e_MaxJoys
;
169 JOYH_END
= JOYH_BEG
+ e_MaxJoyHats
*4*e_MaxJoys
;
171 VIRT_END
= VIRT_BEG
+ e_MaxVirtKeys
;
176 Handle
: PSDL_Joystick
;
180 ButtBuf
: array [0..e_MaxJoyBtns
] of Boolean;
181 AxisBuf
: array [0..e_MaxJoyAxes
] of Integer;
182 AxisZero
: array [0..e_MaxJoyAxes
] of Integer;
183 HatBuf
: array [0..e_MaxJoyHats
] of array [HAT_LEFT
..HAT_DOWN
] of Boolean;
187 KeyBuffer
: array [0..e_MaxKbdKeys
] of Boolean;
188 VirtBuffer
: array [0..e_MaxVirtKeys
] of Boolean;
189 Joysticks
: array of TJoystick
= nil;
191 function OpenJoysticks(): Byte;
197 k
:= Min(e_MaxJoys
, SDL_NumJoysticks());
202 joy
:= SDL_JoystickOpen(i
);
206 e_WriteLog('Input: Opened SDL joystick ' + IntToStr(i
) + ' (' + SDL_JoystickName(joy
) +
207 ') as joystick ' + IntToStr(c
) + ':', TMsgType
.Notify
);
208 SetLength(Joysticks
, c
);
209 with Joysticks
[c
-1] do
213 Axes
:= Min(e_MaxJoyAxes
, SDL_JoystickNumAxes(joy
));
214 Buttons
:= Min(e_MaxJoyBtns
, SDL_JoystickNumButtons(joy
));
215 Hats
:= Min(e_MaxJoyHats
, SDL_JoystickNumHats(joy
));
216 // TODO: find proper solution for this xbox trigger shit
217 for j
:= 0 to Axes
do AxisZero
[j
] := SDL_JoystickGetAxis(joy
, j
);
218 e_WriteLog(' ' + IntToStr(Axes
) + ' axes, ' + IntToStr(Buttons
) + ' buttons, ' +
219 IntToStr(Hats
) + ' hats.', TMsgType
.Notify
);
226 procedure ReleaseJoysticks();
230 if (Joysticks
= nil) or (e_JoysticksAvailable
= 0) then Exit
;
231 for i
:= Low(Joysticks
) to High(Joysticks
) do
233 SDL_JoystickClose(Handle
);
234 SetLength(Joysticks
, 0);
238 procedure e_UnpressAllKeys ();
242 for i
:= 0 to High(KeyBuffer
) do KeyBuffer
[i
] := False;
243 for i
:= 0 to High(VirtBuffer
) do VirtBuffer
[i
] := False;
247 procedure e_KeyUpDown (key
: Word; down
: Boolean);
249 if (key
> 0) and (key
< Length(KeyBuffer
)) then KeyBuffer
[key
] := down
250 else if (key
>= VIRT_BEG
) and (key
< VIRT_END
) then VirtBuffer
[key
- VIRT_BEG
] := down
254 function PollKeyboard(): Boolean;
264 Keys := SDL_GetKeyboardState(@NKeys);
265 if (Keys = nil) or (NKeys < 1) then Exit;
266 for i := 0 to NKeys do
268 if ((PByte(NativeUInt(Keys) + i)^) <> 0) then KeyBuffer[i] := false;
270 for i := NKeys to High(KeyBuffer) do KeyBuffer[i] := False;
274 procedure e_PollJoysticks();
280 if (Joysticks
= nil) or (e_JoysticksAvailable
= 0) then Exit
;
281 SDL_JoystickUpdate();
282 for j
:= Low(Joysticks
) to High(Joysticks
) do
286 for i
:= 0 to Buttons
do ButtBuf
[i
] := SDL_JoystickGetButton(Handle
, i
) <> 0;
287 for i
:= 0 to Axes
do AxisBuf
[i
] := SDL_JoystickGetAxis(Handle
, i
);
288 for i
:= 0 to Hats
do
290 hat
:= SDL_JoystickGetHat(Handle
, i
);
291 HatBuf
[i
, HAT_UP
] := LongBool(hat
and SDL_HAT_UP
);
292 HatBuf
[i
, HAT_DOWN
] := LongBool(hat
and SDL_HAT_DOWN
);
293 HatBuf
[i
, HAT_LEFT
] := LongBool(hat
and SDL_HAT_LEFT
);
294 HatBuf
[i
, HAT_RIGHT
] := LongBool(hat
and SDL_HAT_RIGHT
);
300 procedure GenerateKeyNames();
304 // keyboard key names
305 for i
:= 0 to IK_LASTKEY
do
306 e_KeyNames
[i
] := SDL_GetScancodeName(i
);
309 for j
:= 0 to e_MaxJoys
-1 do
311 k
:= JOYK_BEG
+ j
* e_MaxJoyBtns
;
313 for i
:= 0 to e_MaxJoyBtns
-1 do
314 e_KeyNames
[k
+ i
] := Format('JOY%d B%d', [j
, i
]);
315 k
:= JOYA_BEG
+ j
* e_MaxJoyAxes
* 2;
317 for i
:= 0 to e_MaxJoyAxes
-1 do
319 e_KeyNames
[k
+ i
*2 ] := Format('JOY%d A%d+', [j
, i
]);
320 e_KeyNames
[k
+ i
*2 + 1] := Format('JOY%d A%d-', [j
, i
]);
322 k
:= JOYH_BEG
+ j
* e_MaxJoyHats
* 4;
324 for i
:= 0 to e_MaxJoyHats
-1 do
326 e_KeyNames
[k
+ i
*4 ] := Format('JOY%d D%dL', [j
, i
]);
327 e_KeyNames
[k
+ i
*4 + 1] := Format('JOY%d D%dU', [j
, i
]);
328 e_KeyNames
[k
+ i
*4 + 2] := Format('JOY%d D%dR', [j
, i
]);
329 e_KeyNames
[k
+ i
*4 + 3] := Format('JOY%d D%dD', [j
, i
]);
334 for i
:= 0 to e_MaxVirtKeys
-1 do
335 e_KeyNames
[VIRT_BEG
+ i
] := 'VIRTUAL ' + IntToStr(i
);
338 function e_InitInput(): Boolean;
342 e_JoysticksAvailable
:= OpenJoysticks();
343 e_EnableInput
:= True;
349 procedure e_ReleaseInput();
352 e_JoysticksAvailable
:= 0;
355 procedure e_ClearInputBuffer();
359 for i
:= Low(KeyBuffer
) to High(KeyBuffer
) do
360 KeyBuffer
[i
] := False;
361 if (Joysticks
= nil) or (e_JoysticksAvailable
= 0) then
362 for i
:= Low(Joysticks
) to High(Joysticks
) do
364 for j
:= Low(Joysticks
[i
].ButtBuf
) to High(Joysticks
[i
].ButtBuf
) do
365 Joysticks
[i
].ButtBuf
[j
] := False;
366 for j
:= Low(Joysticks
[i
].AxisBuf
) to High(Joysticks
[i
].AxisBuf
) do
367 Joysticks
[i
].AxisBuf
[j
] := 0;
368 for j
:= Low(Joysticks
[i
].HatBuf
) to High(Joysticks
[i
].HatBuf
) do
369 for d
:= Low(Joysticks
[i
].HatBuf
[j
]) to High(Joysticks
[i
].HatBuf
[j
]) do
370 Joysticks
[i
].HatBuf
[j
, d
] := False;
372 for i
:= Low(VirtBuffer
) to High(VirtBuffer
) do
373 VirtBuffer
[i
] := False;
377 function e_PollInput(): Boolean;
381 kb := PollKeyboard();
382 js := e_PollJoysticks();
388 function e_KeyPressed(Key
: Word): Boolean;
393 if (Key
= IK_INVALID
) or (Key
= 0) then Exit
;
395 if (Key
< KBRD_END
) then
396 begin // Keyboard buttons/keys
397 Result
:= KeyBuffer
[Key
];
400 else if (Key
>= JOYK_BEG
) and (Key
< JOYK_END
) then
401 begin // Joystick buttons
402 JoyI
:= (Key
- JOYK_BEG
) div e_MaxJoyBtns
;
403 if JoyI
>= e_JoysticksAvailable
then
407 Key
:= (Key
- JOYK_BEG
) mod e_MaxJoyBtns
;
408 Result
:= Joysticks
[JoyI
].ButtBuf
[Key
];
412 else if (Key
>= JOYA_BEG
) and (Key
< JOYA_END
) then
413 begin // Joystick axes
414 JoyI
:= (Key
- JOYA_BEG
) div (e_MaxJoyAxes
*2);
415 if JoyI
>= e_JoysticksAvailable
then
419 Key
:= (Key
- JOYA_BEG
) mod (e_MaxJoyAxes
*2);
421 if dir
= AX_MINUS
then
422 Result
:= Joysticks
[JoyI
].AxisBuf
[Key
div 2] <
423 Joysticks
[JoyI
].AxisZero
[Key
div 2] - e_JoystickDeadzones
[JoyI
]
425 Result
:= Joysticks
[JoyI
].AxisBuf
[Key
div 2] >
426 Joysticks
[JoyI
].AxisZero
[Key
div 2] + e_JoystickDeadzones
[JoyI
]
430 else if (Key
>= JOYH_BEG
) and (Key
< JOYH_END
) then
431 begin // Joystick hats
432 JoyI
:= (Key
- JOYH_BEG
) div (e_MaxJoyHats
*4);
433 if JoyI
>= e_JoysticksAvailable
then
437 Key
:= (Key
- JOYH_BEG
) mod (e_MaxJoyHats
*4);
439 Result
:= Joysticks
[JoyI
].HatBuf
[Key
div 4, dir
];
443 else if (Key
>= VIRT_BEG
) and (Key
< VIRT_END
) then
444 Result
:= VirtBuffer
[Key
- VIRT_BEG
]
447 procedure e_SetKeyState(key
: Word; state
: Integer);
451 if (Key
= IK_INVALID
) or (Key
= 0) then Exit
;
453 if (Key
< KBRD_END
) then
454 begin // Keyboard buttons/keys
455 keyBuffer
[key
] := (state
<> 0);
458 else if (Key
>= JOYK_BEG
) and (Key
< JOYK_END
) then
459 begin // Joystick buttons
460 JoyI
:= (Key
- JOYK_BEG
) div e_MaxJoyBtns
;
461 if JoyI
>= e_JoysticksAvailable
then
465 Key
:= (Key
- JOYK_BEG
) mod e_MaxJoyBtns
;
466 Joysticks
[JoyI
].ButtBuf
[Key
] := (state
<> 0);
470 else if (Key
>= JOYA_BEG
) and (Key
< JOYA_END
) then
471 begin // Joystick axes
472 JoyI
:= (Key
- JOYA_BEG
) div (e_MaxJoyAxes
*2);
473 if JoyI
>= e_JoysticksAvailable
then
477 Key
:= (Key
- JOYA_BEG
) mod (e_MaxJoyAxes
*2);
478 Joysticks
[JoyI
].AxisBuf
[Key
div 2] := state
;
482 else if (Key
>= JOYH_BEG
) and (Key
< JOYH_END
) then
483 begin // Joystick hats
484 JoyI
:= (Key
- JOYH_BEG
) div (e_MaxJoyHats
*4);
485 if JoyI
>= e_JoysticksAvailable
then
489 Key
:= (Key
- JOYH_BEG
) mod (e_MaxJoyHats
*4);
491 Joysticks
[JoyI
].HatBuf
[Key
div 4, dir
] := (state
<> 0);
495 else if (Key
>= VIRT_BEG
) and (Key
< VIRT_END
) then
496 VirtBuffer
[Key
- VIRT_BEG
] := (state
<> 0)
499 function e_AnyKeyPressed(): Boolean;
505 for k
:= 1 to e_MaxInputKeys
do
506 if e_KeyPressed(k
) then
513 function e_GetFirstKeyPressed(): Word;
517 Result
:= IK_INVALID
;
519 for k
:= 1 to e_MaxInputKeys
do
520 if e_KeyPressed(k
) then
527 ////////////////////////////////////////////////////////////////////////////////
529 function e_JoystickStateToString(mode
: Integer): String;
534 function e_JoyByHandle(handle
: Word): Integer;
539 if Joysticks
= nil then Exit
;
540 for i
:= Low(Joysticks
) to High(Joysticks
) do
541 if Joysticks
[i
].ID
= handle
then
548 function e_JoyButtonToKey(id
: Word; btn
: Byte): Word;
551 if id
>= Length(Joysticks
) then Exit
;
552 Result
:= JOYK_BEG
+ id
*e_MaxJoyBtns
+ btn
;
555 function e_JoyAxisToKey(id
: Word; ax
: Byte; dir
: Byte): Word;
558 if id
>= Length(Joysticks
) then Exit
;
559 Result
:= JOYA_BEG
+ id
*e_MaxJoyAxes
*2 + ax
*2 + dir
;
562 function e_JoyHatToKey(id
: Word; hat
: Byte; dir
: Byte): Word;
565 if id
>= Length(Joysticks
) then Exit
;
566 Result
:= JOYH_BEG
+ id
*e_MaxJoyHats
*4 + hat
*4 + dir
;