11 e_MaxKbdKeys
= SDL_NUM_SCANCODES
;
17 e_MaxJoyKeys
= e_MaxJoyBtns
+ e_MaxJoyAxes
*2 + e_MaxJoyHats
*4;
19 e_MaxInputKeys
= e_MaxKbdKeys
+ e_MaxJoys
*e_MaxJoyKeys
- 1;
20 // $$$..$$$ - 321 Keyboard buttons/keys
21 // $$$..$$$ - 4*32 Joystick buttons
22 // $$$..$$$ - 4*4 Joystick axes (- and +)
23 // $$$..$$$ - 4*4 Joystick hats (L U R D)
25 // these are apparently used in g_gui and g_game and elsewhere
27 IK_ESCAPE
= SDL_SCANCODE_ESCAPE
;
28 IK_RETURN
= SDL_SCANCODE_RETURN
;
29 IK_KPRETURN
= SDL_SCANCODE_KP_ENTER
;
30 IK_ENTER
= SDL_SCANCODE_RETURN
;
31 IK_UP
= SDL_SCANCODE_UP
;
32 IK_KPUP
= SDL_SCANCODE_KP_8
;
33 IK_DOWN
= SDL_SCANCODE_DOWN
;
34 IK_KPDOWN
= SDL_SCANCODE_KP_2
;
35 IK_LEFT
= SDL_SCANCODE_LEFT
;
36 IK_KPLEFT
= SDL_SCANCODE_KP_4
;
37 IK_RIGHT
= SDL_SCANCODE_RIGHT
;
38 IK_KPRIGHT
= SDL_SCANCODE_KP_6
;
39 IK_DELETE
= SDL_SCANCODE_DELETE
;
40 IK_HOME
= SDL_SCANCODE_HOME
;
41 IK_KPHOME
= SDL_SCANCODE_KP_7
;
42 IK_INSERT
= SDL_SCANCODE_INSERT
;
43 IK_SPACE
= SDL_SCANCODE_SPACE
;
44 IK_CONTROL
= SDL_SCANCODE_LCTRL
;
45 IK_SHIFT
= SDL_SCANCODE_LSHIFT
;
46 IK_TAB
= SDL_SCANCODE_TAB
;
47 IK_PAGEUP
= SDL_SCANCODE_PAGEUP
;
48 IK_KPPAGEUP
= SDL_SCANCODE_KP_9
;
49 IK_PAGEDN
= SDL_SCANCODE_PAGEDOWN
;
50 IK_KPPAGEDN
= SDL_SCANCODE_KP_3
;
51 IK_F2
= SDL_SCANCODE_F2
;
52 IK_F3
= SDL_SCANCODE_F3
;
53 IK_F4
= SDL_SCANCODE_F4
;
54 IK_F5
= SDL_SCANCODE_F5
;
55 IK_F6
= SDL_SCANCODE_F6
;
56 IK_F7
= SDL_SCANCODE_F7
;
57 IK_F8
= SDL_SCANCODE_F8
;
58 IK_F9
= SDL_SCANCODE_F9
;
59 IK_F10
= SDL_SCANCODE_F10
;
60 IK_END
= SDL_SCANCODE_END
;
61 IK_KPEND
= SDL_SCANCODE_KP_1
;
62 IK_BACKSPACE
= SDL_SCANCODE_BACKSPACE
;
63 IK_BACKQUOTE
= SDL_SCANCODE_GRAVE
;
64 IK_GRAVE
= SDL_SCANCODE_GRAVE
;
65 IK_PAUSE
= SDL_SCANCODE_PAUSE
;
66 IK_Y
= SDL_SCANCODE_Y
;
67 IK_N
= SDL_SCANCODE_N
;
68 // TODO: think of something better than this shit
69 IK_LASTKEY
= SDL_NUM_SCANCODES
-1;
78 function e_InitInput(): Boolean;
79 procedure e_ReleaseInput();
80 procedure e_ClearInputBuffer();
81 function e_PollInput(): Boolean;
82 function e_KeyPressed(Key
: Word): Boolean;
83 function e_AnyKeyPressed(): Boolean;
84 function e_GetFirstKeyPressed(): Word;
85 function e_JoystickStateToString(mode
: Integer): String;
86 function e_JoyByHandle(handle
: Word): Integer;
87 function e_JoyButtonToKey(id
: Word; btn
: Byte): Word;
88 function e_JoyAxisToKey(id
: Word; ax
: Byte; dir
: Byte): Word;
89 function e_JoyHatToKey(id
: Word; hat
: Byte; dir
: Byte): Word;
90 procedure e_SetKeyState(key
: Word; state
: Integer);
93 {e_MouseInfo: TMouseInfo;}
94 e_EnableInput
: Boolean = False;
95 e_JoysticksAvailable
: Byte = 0;
96 e_JoystickDeadzones
: array [0..e_MaxJoys
-1] of Integer = (8192, 8192, 8192, 8192);
97 e_KeyNames
: array [0..e_MaxInputKeys
] of String;
104 KBRD_END
= e_MaxKbdKeys
;
106 JOYK_END
= JOYK_BEG
+ e_MaxJoyBtns
*e_MaxJoys
;
108 JOYA_END
= JOYA_BEG
+ e_MaxJoyAxes
*2*e_MaxJoys
;
110 JOYH_END
= JOYH_BEG
+ e_MaxJoyHats
*4*e_MaxJoys
;
115 Handle
: PSDL_Joystick
;
119 ButtBuf
: array [0..e_MaxJoyBtns
] of Boolean;
120 AxisBuf
: array [0..e_MaxJoyAxes
] of Integer;
121 HatBuf
: array [0..e_MaxJoyHats
] of array [HAT_LEFT
..HAT_DOWN
] of Boolean;
125 KeyBuffer
: array [0..e_MaxKbdKeys
] of Boolean;
126 Joysticks
: array of TJoystick
= nil;
128 function OpenJoysticks(): Byte;
134 k
:= Min(e_MaxJoys
, SDL_NumJoysticks());
139 joy
:= SDL_JoystickOpen(i
);
143 e_WriteLog('Input: Opened SDL joystick ' + IntToStr(i
) + ' as joystick ' + IntToStr(c
) + ':', MSG_NOTIFY
);
144 SetLength(Joysticks
, c
);
145 with Joysticks
[c
-1] do
149 Axes
:= Min(e_MaxJoyAxes
, SDL_JoystickNumAxes(joy
));
150 Buttons
:= Min(e_MaxJoyBtns
, SDL_JoystickNumButtons(joy
));
151 Hats
:= Min(e_MaxJoyHats
, SDL_JoystickNumHats(joy
));
152 e_WriteLog(' ' + IntToStr(Axes
) + ' axes, ' + IntToStr(Buttons
) + ' buttons, ' +
153 IntToStr(Hats
) + ' hats.', MSG_NOTIFY
);
160 procedure ReleaseJoysticks();
164 if (Joysticks
= nil) or (e_JoysticksAvailable
= 0) then Exit
;
165 for i
:= Low(Joysticks
) to High(Joysticks
) do
167 SDL_JoystickClose(Handle
);
168 SetLength(Joysticks
, 0);
171 function PollKeyboard(): Boolean;
178 Keys
:= SDL_GetKeyboardState(@NKeys
);
179 if (Keys
= nil) or (NKeys
< 1) then
181 for i
:= 0 to NKeys
do
182 KeyBuffer
[i
] := ((PByte(Cardinal(Keys
) + i
)^) <> 0);
183 for i
:= NKeys
to High(KeyBuffer
) do
184 KeyBuffer
[i
] := False;
187 function PollJoysticks(): Boolean;
193 if (Joysticks
= nil) or (e_JoysticksAvailable
= 0) then Exit
;
194 SDL_JoystickUpdate();
195 for j
:= Low(Joysticks
) to High(Joysticks
) do
198 for i
:= 0 to Buttons
do
199 ButtBuf
[i
] := SDL_JoystickGetButton(Handle
, i
) <> 0;
200 for i
:= 0 to Axes
do
201 AxisBuf
[i
] := SDL_JoystickGetAxis(Handle
, i
);
202 for i
:= 0 to Hats
do
204 hat
:= SDL_JoystickGetHat(Handle
, i
);
205 HatBuf
[i
, HAT_UP
] := LongBool(hat
and SDL_HAT_UP
);
206 HatBuf
[i
, HAT_DOWN
] := LongBool(hat
and SDL_HAT_DOWN
);
207 HatBuf
[i
, HAT_LEFT
] := LongBool(hat
and SDL_HAT_LEFT
);
208 HatBuf
[i
, HAT_RIGHT
] := LongBool(hat
and SDL_HAT_RIGHT
);
213 procedure GenerateKeyNames();
217 // keyboard key names
218 for i
:= 0 to IK_LASTKEY
do
219 e_KeyNames
[i
] := SDL_GetScancodeName(i
);
222 for j
:= 0 to e_MaxJoys
-1 do
224 k
:= JOYK_BEG
+ j
* e_MaxJoyBtns
;
226 for i
:= 0 to e_MaxJoyBtns
-1 do
227 e_KeyNames
[k
+ i
] := Format('JOY%d B%d', [j
, i
]);
228 k
:= JOYA_BEG
+ j
* e_MaxJoyAxes
* 2;
230 for i
:= 0 to e_MaxJoyAxes
-1 do
232 e_KeyNames
[k
+ i
*2 ] := Format('JOY%d A%d+', [j
, i
]);
233 e_KeyNames
[k
+ i
*2 + 1] := Format('JOY%d A%d-', [j
, i
]);
235 k
:= JOYH_BEG
+ j
* e_MaxJoyHats
* 4;
237 for i
:= 0 to e_MaxJoyHats
-1 do
239 e_KeyNames
[k
+ i
*4 ] := Format('JOY%d D%dL', [j
, i
]);
240 e_KeyNames
[k
+ i
*4 + 1] := Format('JOY%d D%dU', [j
, i
]);
241 e_KeyNames
[k
+ i
*4 + 2] := Format('JOY%d D%dR', [j
, i
]);
242 e_KeyNames
[k
+ i
*4 + 3] := Format('JOY%d D%dD', [j
, i
]);
247 function e_InitInput(): Boolean;
251 e_JoysticksAvailable
:= OpenJoysticks();
252 e_EnableInput
:= True;
258 procedure e_ReleaseInput();
261 e_JoysticksAvailable
:= 0;
264 procedure e_ClearInputBuffer();
268 for i
:= Low(KeyBuffer
) to High(KeyBuffer
) do
269 KeyBuffer
[i
] := False;
270 if (Joysticks
= nil) or (e_JoysticksAvailable
= 0) then
271 for i
:= Low(Joysticks
) to High(Joysticks
) do
273 for j
:= Low(Joysticks
[i
].ButtBuf
) to High(Joysticks
[i
].ButtBuf
) do
274 Joysticks
[i
].ButtBuf
[j
] := False;
275 for j
:= Low(Joysticks
[i
].AxisBuf
) to High(Joysticks
[i
].AxisBuf
) do
276 Joysticks
[i
].AxisBuf
[j
] := 0;
277 for j
:= Low(Joysticks
[i
].HatBuf
) to High(Joysticks
[i
].HatBuf
) do
278 for d
:= Low(Joysticks
[i
].HatBuf
[j
]) to High(Joysticks
[i
].HatBuf
[j
]) do
279 Joysticks
[i
].HatBuf
[j
, d
] := False;
283 function e_PollInput(): Boolean;
287 kb
:= PollKeyboard();
288 js
:= PollJoysticks();
293 function e_KeyPressed(Key
: Word): Boolean;
298 if (Key
= IK_INVALID
) or (Key
= 0) then Exit
;
300 if (Key
< KBRD_END
) then
301 begin // Keyboard buttons/keys
302 Result
:= KeyBuffer
[Key
];
305 else if (Key
>= JOYK_BEG
) and (Key
< JOYK_END
) then
306 begin // Joystick buttons
307 JoyI
:= (Key
- JOYK_BEG
) div e_MaxJoyBtns
;
308 if JoyI
>= e_JoysticksAvailable
then
312 Key
:= (Key
- JOYK_BEG
) mod e_MaxJoyBtns
;
313 Result
:= Joysticks
[JoyI
].ButtBuf
[Key
];
317 else if (Key
>= JOYA_BEG
) and (Key
< JOYA_END
) then
318 begin // Joystick axes
319 JoyI
:= (Key
- JOYA_BEG
) div (e_MaxJoyAxes
*2);
320 if JoyI
>= e_JoysticksAvailable
then
324 Key
:= (Key
- JOYA_BEG
) mod (e_MaxJoyAxes
*2);
326 if dir
= AX_MINUS
then
327 Result
:= Joysticks
[JoyI
].AxisBuf
[Key
div 2] < -e_JoystickDeadzones
[JoyI
]
329 Result
:= Joysticks
[JoyI
].AxisBuf
[Key
div 2] > e_JoystickDeadzones
[JoyI
]
333 else if (Key
>= JOYH_BEG
) and (Key
< JOYH_END
) then
334 begin // Joystick hats
335 JoyI
:= (Key
- JOYH_BEG
) div (e_MaxJoyHats
*4);
336 if JoyI
>= e_JoysticksAvailable
then
340 Key
:= (Key
- JOYH_BEG
) mod (e_MaxJoyHats
*4);
342 Result
:= Joysticks
[JoyI
].HatBuf
[Key
div 4, dir
];
347 procedure e_SetKeyState(key
: Word; state
: Integer);
351 if (Key
= IK_INVALID
) or (Key
= 0) then Exit
;
353 if (Key
< KBRD_END
) then
354 begin // Keyboard buttons/keys
355 keyBuffer
[key
] := (state
<> 0);
358 else if (Key
>= JOYK_BEG
) and (Key
< JOYK_END
) then
359 begin // Joystick buttons
360 JoyI
:= (Key
- JOYK_BEG
) div e_MaxJoyBtns
;
361 if JoyI
>= e_JoysticksAvailable
then
365 Key
:= (Key
- JOYK_BEG
) mod e_MaxJoyBtns
;
366 Joysticks
[JoyI
].ButtBuf
[Key
] := (state
<> 0);
370 else if (Key
>= JOYA_BEG
) and (Key
< JOYA_END
) then
371 begin // Joystick axes
372 JoyI
:= (Key
- JOYA_BEG
) div (e_MaxJoyAxes
*2);
373 if JoyI
>= e_JoysticksAvailable
then
377 Key
:= (Key
- JOYA_BEG
) mod (e_MaxJoyAxes
*2);
378 Joysticks
[JoyI
].AxisBuf
[Key
div 2] := state
;
382 else if (Key
>= JOYH_BEG
) and (Key
< JOYH_END
) then
383 begin // Joystick hats
384 JoyI
:= (Key
- JOYH_BEG
) div (e_MaxJoyHats
*4);
385 if JoyI
>= e_JoysticksAvailable
then
389 Key
:= (Key
- JOYH_BEG
) mod (e_MaxJoyHats
*4);
391 Joysticks
[JoyI
].HatBuf
[Key
div 4, dir
] := (state
<> 0);
396 function e_AnyKeyPressed(): Boolean;
402 for k
:= 1 to e_MaxInputKeys
do
403 if e_KeyPressed(k
) then
410 function e_GetFirstKeyPressed(): Word;
414 Result
:= IK_INVALID
;
416 for k
:= 1 to e_MaxInputKeys
do
417 if e_KeyPressed(k
) then
424 ////////////////////////////////////////////////////////////////////////////////
426 function e_JoystickStateToString(mode
: Integer): String;
431 function e_JoyByHandle(handle
: Word): Integer;
436 if Joysticks
= nil then Exit
;
437 for i
:= Low(Joysticks
) to High(Joysticks
) do
438 if Joysticks
[i
].ID
= handle
then
445 function e_JoyButtonToKey(id
: Word; btn
: Byte): Word;
448 if id
>= Length(Joysticks
) then Exit
;
449 Result
:= JOYK_BEG
+ id
*e_MaxJoyBtns
+ btn
;
452 function e_JoyAxisToKey(id
: Word; ax
: Byte; dir
: Byte): Word;
455 if id
>= Length(Joysticks
) then Exit
;
456 Result
:= JOYA_BEG
+ id
*e_MaxJoyAxes
*2 + ax
*2 + dir
;
459 function e_JoyHatToKey(id
: Word; hat
: Byte; dir
: Byte): Word;
462 if id
>= Length(Joysticks
) then Exit
;
463 Result
:= JOYH_BEG
+ id
*e_MaxJoyHats
*4 + hat
*4 + dir
;