48d52ab5 |
1 | /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * |
2 | * Mupen64plus-input-sdl - plugin.c * |
3 | * Mupen64Plus homepage: http://code.google.com/p/mupen64plus/ * |
4 | * Copyright (C) 2008-2011 Richard Goedeken * |
5 | * Copyright (C) 2008 Tillin9 * |
6 | * Copyright (C) 2002 Blight * |
7 | * * |
8 | * This program is free software; you can redistribute it and/or modify * |
9 | * it under the terms of the GNU General Public License as published by * |
10 | * the Free Software Foundation; either version 2 of the License, or * |
11 | * (at your option) any later version. * |
12 | * * |
13 | * This program is distributed in the hope that it will be useful, * |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
16 | * GNU General Public License for more details. * |
17 | * * |
18 | * You should have received a copy of the GNU General Public License * |
19 | * along with this program; if not, write to the * |
20 | * Free Software Foundation, Inc., * |
21 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * |
22 | * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ |
23 | |
24 | #include <stdio.h> |
25 | #include <stdlib.h> |
26 | #include <string.h> |
27 | |
28 | #include <SDL.h> |
29 | |
30 | #define M64P_PLUGIN_PROTOTYPES 1 |
31 | #include "m64p_types.h" |
32 | #include "m64p_plugin.h" |
33 | #include "m64p_common.h" |
34 | #include "m64p_config.h" |
35 | |
36 | #include "plugin.h" |
37 | #include "config.h" |
38 | #include "version.h" |
39 | #include "osal_dynamiclib.h" |
40 | |
41 | #ifdef __linux__ |
42 | #include <unistd.h> |
43 | #include <dirent.h> |
44 | #include <fcntl.h> |
45 | #include <sys/types.h> |
46 | #include <linux/input.h> |
47 | #endif /* __linux__ */ |
48 | |
49 | #include <errno.h> |
50 | |
51 | /* defines for the force feedback rumble support */ |
52 | #ifdef __linux__ |
53 | #define BITS_PER_LONG (sizeof(long) * 8) |
54 | #define OFF(x) ((x)%BITS_PER_LONG) |
55 | #define BIT(x) (1UL<<OFF(x)) |
56 | #define LONG(x) ((x)/BITS_PER_LONG) |
57 | #define test_bit(bit, array) ((array[LONG(bit)] >> OFF(bit)) & 1) |
58 | #endif //__linux__ |
59 | |
60 | /* definitions of pointers to Core config functions */ |
61 | ptr_ConfigOpenSection ConfigOpenSection = NULL; |
62 | ptr_ConfigDeleteSection ConfigDeleteSection = NULL; |
63 | ptr_ConfigSaveSection ConfigSaveSection = NULL; |
64 | ptr_ConfigListParameters ConfigListParameters = NULL; |
65 | ptr_ConfigSaveFile ConfigSaveFile = NULL; |
66 | ptr_ConfigSetParameter ConfigSetParameter = NULL; |
67 | ptr_ConfigGetParameter ConfigGetParameter = NULL; |
68 | ptr_ConfigGetParameterHelp ConfigGetParameterHelp = NULL; |
69 | ptr_ConfigSetDefaultInt ConfigSetDefaultInt = NULL; |
70 | ptr_ConfigSetDefaultFloat ConfigSetDefaultFloat = NULL; |
71 | ptr_ConfigSetDefaultBool ConfigSetDefaultBool = NULL; |
72 | ptr_ConfigSetDefaultString ConfigSetDefaultString = NULL; |
73 | ptr_ConfigGetParamInt ConfigGetParamInt = NULL; |
74 | ptr_ConfigGetParamFloat ConfigGetParamFloat = NULL; |
75 | ptr_ConfigGetParamBool ConfigGetParamBool = NULL; |
76 | ptr_ConfigGetParamString ConfigGetParamString = NULL; |
77 | |
78 | ptr_ConfigGetSharedDataFilepath ConfigGetSharedDataFilepath = NULL; |
79 | ptr_ConfigGetUserConfigPath ConfigGetUserConfigPath = NULL; |
80 | ptr_ConfigGetUserDataPath ConfigGetUserDataPath = NULL; |
81 | ptr_ConfigGetUserCachePath ConfigGetUserCachePath = NULL; |
82 | |
83 | /* global data definitions */ |
84 | SController controller[4]; // 4 controllers |
85 | |
86 | /* static data definitions */ |
87 | static void (*l_DebugCallback)(void *, int, const char *) = NULL; |
88 | static void *l_DebugCallContext = NULL; |
89 | static int l_PluginInit = 0; |
90 | |
91 | static unsigned short button_bits[] = { |
92 | 0x0001, // R_DPAD |
93 | 0x0002, // L_DPAD |
94 | 0x0004, // D_DPAD |
95 | 0x0008, // U_DPAD |
96 | 0x0010, // START_BUTTON |
97 | 0x0020, // Z_TRIG |
98 | 0x0040, // B_BUTTON |
99 | 0x0080, // A_BUTTON |
100 | 0x0100, // R_CBUTTON |
101 | 0x0200, // L_CBUTTON |
102 | 0x0400, // D_CBUTTON |
103 | 0x0800, // U_CBUTTON |
104 | 0x1000, // R_TRIG |
105 | 0x2000, // L_TRIG |
106 | 0x4000, // Mempak switch |
107 | 0x8000 // Rumblepak switch |
108 | }; |
109 | |
110 | static int romopen = 0; // is a rom opened |
111 | |
112 | static unsigned char myKeyState[SDL_NUM_SCANCODES]; |
113 | |
114 | #ifdef __linux__ |
115 | static struct ff_effect ffeffect[4]; |
116 | static struct ff_effect ffstrong[4]; |
117 | static struct ff_effect ffweak[4]; |
118 | #endif //__linux__ |
119 | |
120 | /* Global functions */ |
121 | void DebugMessage(int level, const char *message, ...) |
122 | { |
123 | char msgbuf[1024]; |
124 | va_list args; |
125 | |
126 | if (l_DebugCallback == NULL) |
127 | return; |
128 | |
129 | va_start(args, message); |
130 | vsprintf(msgbuf, message, args); |
131 | |
132 | (*l_DebugCallback)(l_DebugCallContext, level, msgbuf); |
133 | |
134 | va_end(args); |
135 | } |
136 | |
137 | static CONTROL temp_core_controlinfo[4]; |
138 | |
139 | /* Mupen64Plus plugin functions */ |
140 | EXPORT m64p_error CALL PluginStartup(m64p_dynlib_handle CoreLibHandle, void *Context, |
141 | void (*DebugCallback)(void *, int, const char *)) |
142 | { |
143 | ptr_CoreGetAPIVersions CoreAPIVersionFunc; |
144 | |
145 | int i, ConfigAPIVersion, DebugAPIVersion, VidextAPIVersion; |
146 | |
147 | if (l_PluginInit) |
148 | return M64ERR_ALREADY_INIT; |
149 | |
150 | /* first thing is to set the callback function for debug info */ |
151 | l_DebugCallback = DebugCallback; |
152 | l_DebugCallContext = Context; |
153 | |
154 | /* attach and call the CoreGetAPIVersions function, check Config API version for compatibility */ |
155 | CoreAPIVersionFunc = (ptr_CoreGetAPIVersions) osal_dynlib_getproc(CoreLibHandle, "CoreGetAPIVersions"); |
156 | if (CoreAPIVersionFunc == NULL) |
157 | { |
158 | DebugMessage(M64MSG_ERROR, "Core emulator broken; no CoreAPIVersionFunc() function found."); |
159 | return M64ERR_INCOMPATIBLE; |
160 | } |
161 | |
162 | (*CoreAPIVersionFunc)(&ConfigAPIVersion, &DebugAPIVersion, &VidextAPIVersion, NULL); |
163 | if ((ConfigAPIVersion & 0xffff0000) != (CONFIG_API_VERSION & 0xffff0000) || ConfigAPIVersion < CONFIG_API_VERSION) |
164 | { |
165 | DebugMessage(M64MSG_ERROR, "Emulator core Config API (v%i.%i.%i) incompatible with plugin (v%i.%i.%i)", |
166 | VERSION_PRINTF_SPLIT(ConfigAPIVersion), VERSION_PRINTF_SPLIT(CONFIG_API_VERSION)); |
167 | return M64ERR_INCOMPATIBLE; |
168 | } |
169 | |
170 | /* Get the core config function pointers from the library handle */ |
171 | ConfigOpenSection = (ptr_ConfigOpenSection) osal_dynlib_getproc(CoreLibHandle, "ConfigOpenSection"); |
172 | ConfigDeleteSection = (ptr_ConfigDeleteSection) osal_dynlib_getproc(CoreLibHandle, "ConfigDeleteSection"); |
173 | ConfigSaveFile = (ptr_ConfigSaveFile) osal_dynlib_getproc(CoreLibHandle, "ConfigSaveFile"); |
174 | ConfigSaveSection = (ptr_ConfigSaveSection) osal_dynlib_getproc(CoreLibHandle, "ConfigSaveSection"); |
175 | ConfigListParameters = (ptr_ConfigListParameters) osal_dynlib_getproc(CoreLibHandle, "ConfigListParameters"); |
176 | ConfigSetParameter = (ptr_ConfigSetParameter) osal_dynlib_getproc(CoreLibHandle, "ConfigSetParameter"); |
177 | ConfigGetParameter = (ptr_ConfigGetParameter) osal_dynlib_getproc(CoreLibHandle, "ConfigGetParameter"); |
178 | ConfigSetDefaultInt = (ptr_ConfigSetDefaultInt) osal_dynlib_getproc(CoreLibHandle, "ConfigSetDefaultInt"); |
179 | ConfigSetDefaultFloat = (ptr_ConfigSetDefaultFloat) osal_dynlib_getproc(CoreLibHandle, "ConfigSetDefaultFloat"); |
180 | ConfigSetDefaultBool = (ptr_ConfigSetDefaultBool) osal_dynlib_getproc(CoreLibHandle, "ConfigSetDefaultBool"); |
181 | ConfigSetDefaultString = (ptr_ConfigSetDefaultString) osal_dynlib_getproc(CoreLibHandle, "ConfigSetDefaultString"); |
182 | ConfigGetParamInt = (ptr_ConfigGetParamInt) osal_dynlib_getproc(CoreLibHandle, "ConfigGetParamInt"); |
183 | ConfigGetParamFloat = (ptr_ConfigGetParamFloat) osal_dynlib_getproc(CoreLibHandle, "ConfigGetParamFloat"); |
184 | ConfigGetParamBool = (ptr_ConfigGetParamBool) osal_dynlib_getproc(CoreLibHandle, "ConfigGetParamBool"); |
185 | ConfigGetParamString = (ptr_ConfigGetParamString) osal_dynlib_getproc(CoreLibHandle, "ConfigGetParamString"); |
186 | |
187 | ConfigGetSharedDataFilepath = (ptr_ConfigGetSharedDataFilepath) osal_dynlib_getproc(CoreLibHandle, "ConfigGetSharedDataFilepath"); |
188 | ConfigGetUserConfigPath = (ptr_ConfigGetUserConfigPath) osal_dynlib_getproc(CoreLibHandle, "ConfigGetUserConfigPath"); |
189 | ConfigGetUserDataPath = (ptr_ConfigGetUserDataPath) osal_dynlib_getproc(CoreLibHandle, "ConfigGetUserDataPath"); |
190 | ConfigGetUserCachePath = (ptr_ConfigGetUserCachePath) osal_dynlib_getproc(CoreLibHandle, "ConfigGetUserCachePath"); |
191 | |
192 | if (!ConfigOpenSection || !ConfigDeleteSection || !ConfigSaveFile || !ConfigSaveSection || !ConfigSetParameter || !ConfigGetParameter || |
193 | !ConfigSetDefaultInt || !ConfigSetDefaultFloat || !ConfigSetDefaultBool || !ConfigSetDefaultString || |
194 | !ConfigGetParamInt || !ConfigGetParamFloat || !ConfigGetParamBool || !ConfigGetParamString || |
195 | !ConfigGetSharedDataFilepath || !ConfigGetUserConfigPath || !ConfigGetUserDataPath || !ConfigGetUserCachePath) |
196 | { |
197 | DebugMessage(M64MSG_ERROR, "Couldn't connect to Core configuration functions"); |
198 | return M64ERR_INCOMPATIBLE; |
199 | } |
200 | |
201 | /* reset controllers */ |
202 | memset(controller, 0, sizeof(SController) * 4); |
203 | for (i = 0; i < SDL_NUM_SCANCODES; i++) |
204 | { |
205 | myKeyState[i] = 0; |
206 | } |
207 | /* set CONTROL struct pointers to the temporary static array */ |
208 | /* this small struct is used to tell the core whether each controller is plugged in, and what type of pak is connected */ |
209 | /* we only need it so that we can call load_configuration below, to auto-config for a GUI front-end */ |
210 | for (i = 0; i < 4; i++) |
211 | controller[i].control = temp_core_controlinfo + i; |
212 | |
213 | /* read plugin config from core config database, auto-config if necessary and update core database */ |
214 | load_configuration(1); |
215 | |
216 | l_PluginInit = 1; |
217 | return M64ERR_SUCCESS; |
218 | } |
219 | |
220 | EXPORT m64p_error CALL PluginShutdown(void) |
221 | { |
222 | if (!l_PluginInit) |
223 | return M64ERR_NOT_INIT; |
224 | |
225 | /* reset some local variables */ |
226 | l_DebugCallback = NULL; |
227 | l_DebugCallContext = NULL; |
228 | |
229 | l_PluginInit = 0; |
230 | return M64ERR_SUCCESS; |
231 | } |
232 | |
233 | EXPORT m64p_error CALL PluginGetVersion(m64p_plugin_type *PluginType, int *PluginVersion, int *APIVersion, const char **PluginNamePtr, int *Capabilities) |
234 | { |
235 | /* set version info */ |
236 | if (PluginType != NULL) |
237 | *PluginType = M64PLUGIN_INPUT; |
238 | |
239 | if (PluginVersion != NULL) |
240 | *PluginVersion = PLUGIN_VERSION; |
241 | |
242 | if (APIVersion != NULL) |
243 | *APIVersion = INPUT_PLUGIN_API_VERSION; |
244 | |
245 | if (PluginNamePtr != NULL) |
246 | *PluginNamePtr = PLUGIN_NAME; |
247 | |
248 | if (Capabilities != NULL) |
249 | { |
250 | *Capabilities = 0; |
251 | } |
252 | |
253 | return M64ERR_SUCCESS; |
254 | } |
255 | |
256 | /* Helper function to handle the SDL keys */ |
257 | static void |
258 | doSdlKeys(unsigned char* keystate) |
259 | { |
260 | int c, b, axis_val, axis_max_val; |
261 | static int grabmouse = 1, grabtoggled = 0; |
262 | |
263 | axis_max_val = 80; |
264 | if (keystate[SDL_SCANCODE_RCTRL]) |
265 | axis_max_val -= 40; |
266 | if (keystate[SDL_SCANCODE_RSHIFT]) |
267 | axis_max_val -= 20; |
268 | |
269 | for( c = 0; c < 4; c++ ) |
270 | { |
271 | for( b = 0; b < 16; b++ ) |
272 | { |
273 | if( controller[c].button[b].key == SDL_SCANCODE_UNKNOWN || ((int) controller[c].button[b].key) < 0) |
274 | continue; |
275 | if( keystate[controller[c].button[b].key] ) |
276 | controller[c].buttons.Value |= button_bits[b]; |
277 | } |
278 | for( b = 0; b < 2; b++ ) |
279 | { |
280 | // from the N64 func ref: The 3D Stick data is of type signed char and in |
281 | // the range between 80 and -80. (32768 / 409 = ~80.1) |
282 | if( b == 0 ) |
283 | axis_val = controller[c].buttons.X_AXIS; |
284 | else |
285 | axis_val = -controller[c].buttons.Y_AXIS; |
286 | |
287 | if( controller[c].axis[b].key_a != SDL_SCANCODE_UNKNOWN && ((int) controller[c].axis[b].key_a) > 0) |
288 | if( keystate[controller[c].axis[b].key_a] ) |
289 | axis_val = -axis_max_val; |
290 | if( controller[c].axis[b].key_b != SDL_SCANCODE_UNKNOWN && ((int) controller[c].axis[b].key_b) > 0) |
291 | if( keystate[controller[c].axis[b].key_b] ) |
292 | axis_val = axis_max_val; |
293 | |
294 | if( b == 0 ) |
295 | controller[c].buttons.X_AXIS = axis_val; |
296 | else |
297 | controller[c].buttons.Y_AXIS = -axis_val; |
298 | } |
299 | if (controller[c].mouse) |
300 | { |
301 | if (keystate[SDL_SCANCODE_LCTRL] && keystate[SDL_SCANCODE_LALT]) |
302 | { |
303 | if (!grabtoggled) |
304 | { |
305 | grabtoggled = 1; |
306 | grabmouse = !grabmouse; |
307 | // grab/ungrab mouse |
308 | #if SDL_VERSION_ATLEAST(2,0,0) |
309 | #warning SDL mouse grabbing not yet supported with SDL 2.0 |
310 | #else |
311 | SDL_WM_GrabInput( grabmouse ? SDL_GRAB_ON : SDL_GRAB_OFF ); |
312 | #endif |
313 | SDL_ShowCursor( grabmouse ? 0 : 1 ); |
314 | } |
315 | } |
316 | else grabtoggled = 0; |
317 | } |
318 | } |
319 | } |
320 | |
321 | static unsigned char DataCRC( unsigned char *Data, int iLenght ) |
322 | { |
323 | unsigned char Remainder = Data[0]; |
324 | |
325 | int iByte = 1; |
326 | unsigned char bBit = 0; |
327 | |
328 | while( iByte <= iLenght ) |
329 | { |
330 | int HighBit = ((Remainder & 0x80) != 0); |
331 | Remainder = Remainder << 1; |
332 | |
333 | Remainder += ( iByte < iLenght && Data[iByte] & (0x80 >> bBit )) ? 1 : 0; |
334 | |
335 | Remainder ^= (HighBit) ? 0x85 : 0; |
336 | |
337 | bBit++; |
338 | iByte += bBit/8; |
339 | bBit %= 8; |
340 | } |
341 | |
342 | return Remainder; |
343 | } |
344 | |
345 | /****************************************************************** |
346 | Function: ControllerCommand |
347 | Purpose: To process the raw data that has just been sent to a |
348 | specific controller. |
349 | input: - Controller Number (0 to 3) and -1 signalling end of |
350 | processing the pif ram. |
351 | - Pointer of data to be processed. |
352 | output: none |
353 | |
354 | note: This function is only needed if the DLL is allowing raw |
355 | data, or the plugin is set to raw |
356 | |
357 | the data that is being processed looks like this: |
358 | initilize controller: 01 03 00 FF FF FF |
359 | read controller: 01 04 01 FF FF FF FF |
360 | *******************************************************************/ |
361 | EXPORT void CALL ControllerCommand(int Control, unsigned char *Command) |
362 | { |
363 | unsigned char *Data = &Command[5]; |
364 | |
365 | if (Control == -1) |
366 | return; |
367 | |
368 | switch (Command[2]) |
369 | { |
370 | case RD_GETSTATUS: |
371 | #ifdef _DEBUG |
372 | DebugMessage(M64MSG_INFO, "Get status"); |
373 | #endif |
374 | break; |
375 | case RD_READKEYS: |
376 | #ifdef _DEBUG |
377 | DebugMessage(M64MSG_INFO, "Read keys"); |
378 | #endif |
379 | break; |
380 | case RD_READPAK: |
381 | #ifdef _DEBUG |
382 | DebugMessage(M64MSG_INFO, "Read pak"); |
383 | #endif |
384 | if (controller[Control].control->Plugin == PLUGIN_RAW) |
385 | { |
386 | unsigned int dwAddress = (Command[3] << 8) + (Command[4] & 0xE0); |
387 | |
388 | if(( dwAddress >= 0x8000 ) && ( dwAddress < 0x9000 ) ) |
389 | memset( Data, 0x80, 32 ); |
390 | else |
391 | memset( Data, 0x00, 32 ); |
392 | |
393 | Data[32] = DataCRC( Data, 32 ); |
394 | } |
395 | break; |
396 | case RD_WRITEPAK: |
397 | #ifdef _DEBUG |
398 | DebugMessage(M64MSG_INFO, "Write pak"); |
399 | #endif |
400 | if (controller[Control].control->Plugin == PLUGIN_RAW) |
401 | { |
402 | unsigned int dwAddress = (Command[3] << 8) + (Command[4] & 0xE0); |
403 | if (dwAddress == PAK_IO_RUMBLE && *Data) |
404 | DebugMessage(M64MSG_VERBOSE, "Triggering rumble pack."); |
405 | #ifdef __linux__ |
406 | struct input_event play; |
407 | if( dwAddress == PAK_IO_RUMBLE && controller[Control].event_joystick != 0) |
408 | { |
409 | if( *Data ) |
410 | { |
411 | play.type = EV_FF; |
412 | play.code = ffeffect[Control].id; |
413 | play.value = 1; |
414 | |
415 | if (write(controller[Control].event_joystick, (const void*) &play, sizeof(play)) == -1) |
416 | perror("Error starting rumble effect"); |
417 | |
418 | } |
419 | else |
420 | { |
421 | play.type = EV_FF; |
422 | play.code = ffeffect[Control].id; |
423 | play.value = 0; |
424 | |
425 | if (write(controller[Control].event_joystick, (const void*) &play, sizeof(play)) == -1) |
426 | perror("Error stopping rumble effect"); |
427 | } |
428 | } |
429 | #endif //__linux__ |
430 | Data[32] = DataCRC( Data, 32 ); |
431 | } |
432 | break; |
433 | case RD_RESETCONTROLLER: |
434 | #ifdef _DEBUG |
435 | DebugMessage(M64MSG_INFO, "Reset controller"); |
436 | #endif |
437 | break; |
438 | case RD_READEEPROM: |
439 | #ifdef _DEBUG |
440 | DebugMessage(M64MSG_INFO, "Read eeprom"); |
441 | #endif |
442 | break; |
443 | case RD_WRITEEPROM: |
444 | #ifdef _DEBUG |
445 | DebugMessage(M64MSG_INFO, "Write eeprom"); |
446 | #endif |
447 | break; |
448 | } |
449 | } |
450 | |
451 | /****************************************************************** |
452 | Function: GetKeys |
453 | Purpose: To get the current state of the controllers buttons. |
454 | input: - Controller Number (0 to 3) |
455 | - A pointer to a BUTTONS structure to be filled with |
456 | the controller state. |
457 | output: none |
458 | *******************************************************************/ |
459 | EXPORT void CALL GetKeys( int Control, BUTTONS *Keys ) |
460 | { |
461 | static int mousex_residual = 0; |
462 | static int mousey_residual = 0; |
463 | int b, axis_val; |
464 | SDL_Event event; |
465 | unsigned char mstate; |
466 | |
467 | // Handle keyboard input first |
468 | doSdlKeys(SDL_GetKeyboardState(NULL)); |
469 | doSdlKeys(myKeyState); |
470 | |
471 | // read joystick state |
472 | SDL_JoystickUpdate(); |
473 | |
474 | if( controller[Control].device >= 0 ) |
475 | { |
476 | for( b = 0; b < 16; b++ ) |
477 | { |
478 | if( controller[Control].button[b].button >= 0 ) |
479 | if( SDL_JoystickGetButton( controller[Control].joystick, controller[Control].button[b].button ) ) |
480 | controller[Control].buttons.Value |= button_bits[b]; |
481 | |
482 | if( controller[Control].button[b].axis >= 0 ) |
483 | { |
484 | int deadzone = controller[Control].button[b].axis_deadzone; |
485 | axis_val = SDL_JoystickGetAxis( controller[Control].joystick, controller[Control].button[b].axis ); |
486 | if (deadzone < 0) |
487 | deadzone = 6000; /* default */ |
488 | if( (controller[Control].button[b].axis_dir < 0) && (axis_val <= -deadzone) ) |
489 | controller[Control].buttons.Value |= button_bits[b]; |
490 | else if( (controller[Control].button[b].axis_dir > 0) && (axis_val >= deadzone) ) |
491 | controller[Control].buttons.Value |= button_bits[b]; |
492 | } |
493 | |
494 | if( controller[Control].button[b].hat >= 0 ) |
495 | { |
496 | if( controller[Control].button[b].hat_pos > 0 ) |
497 | if( SDL_JoystickGetHat( controller[Control].joystick, controller[Control].button[b].hat ) & controller[Control].button[b].hat_pos ) |
498 | controller[Control].buttons.Value |= button_bits[b]; |
499 | } |
500 | } |
501 | for( b = 0; b < 2; b++ ) |
502 | { |
503 | /* from the N64 func ref: The 3D Stick data is of type signed char and in the range between -80 and +80 */ |
504 | int deadzone = controller[Control].axis_deadzone[b]; |
505 | int range = controller[Control].axis_peak[b] - controller[Control].axis_deadzone[b]; |
506 | /* skip this axis if the deadzone/peak values are invalid */ |
507 | if (deadzone < 0 || range < 1) |
508 | continue; |
509 | |
510 | if( b == 0 ) |
511 | axis_val = controller[Control].buttons.X_AXIS; |
512 | else |
513 | axis_val = -controller[Control].buttons.Y_AXIS; |
514 | |
515 | if( controller[Control].axis[b].axis_a >= 0 ) /* up and left for N64 */ |
516 | { |
517 | int joy_val = SDL_JoystickGetAxis(controller[Control].joystick, controller[Control].axis[b].axis_a); |
518 | int axis_dir = controller[Control].axis[b].axis_dir_a; |
519 | if (joy_val * axis_dir > deadzone) |
520 | axis_val = -((abs(joy_val) - deadzone) * 80 / range); |
521 | if (axis_val < -80) |
522 | axis_val = -80; |
523 | } |
524 | if( controller[Control].axis[b].axis_b >= 0 ) /* down and right for N64 */ |
525 | { |
526 | int joy_val = SDL_JoystickGetAxis(controller[Control].joystick, controller[Control].axis[b].axis_b); |
527 | int axis_dir = controller[Control].axis[b].axis_dir_b; |
528 | if (joy_val * axis_dir > deadzone) |
529 | axis_val = ((abs(joy_val) - deadzone) * 80 / range); |
530 | if (axis_val > 80) |
531 | axis_val = 80; |
532 | } |
533 | if( controller[Control].axis[b].hat >= 0 ) |
534 | { |
535 | if( controller[Control].axis[b].hat_pos_a >= 0 ) |
536 | if( SDL_JoystickGetHat( controller[Control].joystick, controller[Control].axis[b].hat ) & controller[Control].axis[b].hat_pos_a ) |
537 | axis_val = -80; |
538 | if( controller[Control].axis[b].hat_pos_b >= 0 ) |
539 | if( SDL_JoystickGetHat( controller[Control].joystick, controller[Control].axis[b].hat ) & controller[Control].axis[b].hat_pos_b ) |
540 | axis_val = 80; |
541 | } |
542 | |
543 | if( controller[Control].axis[b].button_a >= 0 ) |
544 | if( SDL_JoystickGetButton( controller[Control].joystick, controller[Control].axis[b].button_a ) ) |
545 | axis_val = -80; |
546 | if( controller[Control].axis[b].button_b >= 0 ) |
547 | if( SDL_JoystickGetButton( controller[Control].joystick, controller[Control].axis[b].button_b ) ) |
548 | axis_val = 80; |
549 | |
550 | if( b == 0 ) |
551 | controller[Control].buttons.X_AXIS = axis_val; |
552 | else |
553 | controller[Control].buttons.Y_AXIS = -axis_val; |
554 | } |
555 | } |
556 | |
557 | // process mouse events |
558 | mstate = SDL_GetMouseState( NULL, NULL ); |
559 | for( b = 0; b < 16; b++ ) |
560 | { |
561 | if( controller[Control].button[b].mouse < 1 ) |
562 | continue; |
563 | if( mstate & SDL_BUTTON(controller[Control].button[b].mouse) ) |
564 | controller[Control].buttons.Value |= button_bits[b]; |
565 | } |
566 | |
567 | if (controller[Control].mouse) |
568 | { |
569 | #if SDL_VERSION_ATLEAST(2,0,0) |
570 | #warning SDL mouse grabbing not yet supported with SDL 2.0 |
571 | #else |
572 | if (SDL_WM_GrabInput(SDL_GRAB_QUERY) == SDL_GRAB_ON) |
573 | { |
574 | SDL_PumpEvents(); |
575 | #if SDL_VERSION_ATLEAST(1,3,0) |
576 | while (SDL_PeepEvents(&event, 1, SDL_GETEVENT, SDL_MOUSEMOTION, SDL_MOUSEMOTION) == 1) |
577 | #else |
578 | while (SDL_PeepEvents(&event, 1, SDL_GETEVENT, SDL_EVENTMASK(SDL_MOUSEMOTION)) == 1) |
579 | #endif |
580 | { |
581 | if (event.motion.xrel) |
582 | { |
583 | mousex_residual += (int) (event.motion.xrel * controller[Control].mouse_sens[0]); |
584 | } |
585 | if (event.motion.yrel) |
586 | { |
587 | mousey_residual += (int) (event.motion.yrel * controller[Control].mouse_sens[1]); |
588 | } |
589 | } |
590 | } |
591 | else |
592 | #endif |
593 | { |
594 | mousex_residual = 0; |
595 | mousey_residual = 0; |
596 | } |
597 | axis_val = mousex_residual; |
598 | if (axis_val < -80) |
599 | axis_val = -80; |
600 | else if (axis_val > 80) |
601 | axis_val = 80; |
602 | controller[Control].buttons.X_AXIS = axis_val; |
603 | axis_val = mousey_residual; |
604 | if (axis_val < -80) |
605 | axis_val = -80; |
606 | else if (axis_val > 80) |
607 | axis_val = 80; |
608 | controller[Control].buttons.Y_AXIS = -axis_val; |
609 | /* the mouse x/y values decay exponentially */ |
610 | mousex_residual = (mousex_residual * 224) / 256; |
611 | mousey_residual = (mousey_residual * 224) / 256; |
612 | } |
613 | |
614 | #ifdef _DEBUG |
615 | DebugMessage(M64MSG_VERBOSE, "Controller #%d value: 0x%8.8X", Control, *(int *)&controller[Control].buttons ); |
616 | #endif |
617 | *Keys = controller[Control].buttons; |
618 | |
619 | /* handle mempack / rumblepak switching (only if rumble is active on joystick) */ |
620 | #ifdef __linux__ |
621 | if (controller[Control].event_joystick != 0) |
622 | { |
623 | struct input_event play; |
624 | static unsigned int SwitchPackTime[4] = {0, 0, 0, 0}, SwitchPackType[4] = {0, 0, 0, 0}; |
625 | // when the user switches packs, we should mimick the act of removing 1 pack, and then inserting another 1 second later |
626 | if (controller[Control].buttons.Value & button_bits[14]) |
627 | { |
628 | SwitchPackTime[Control] = SDL_GetTicks(); // time at which the 'switch pack' command was given |
629 | SwitchPackType[Control] = PLUGIN_MEMPAK; // type of new pack to insert |
630 | controller[Control].control->Plugin = PLUGIN_NONE;// remove old pack |
631 | play.type = EV_FF; |
632 | play.code = ffweak[Control].id; |
633 | play.value = 1; |
634 | if (write(controller[Control].event_joystick, (const void*) &play, sizeof(play)) == -1) |
635 | perror("Error starting rumble effect"); |
636 | } |
637 | if (controller[Control].buttons.Value & button_bits[15]) |
638 | { |
639 | SwitchPackTime[Control] = SDL_GetTicks(); // time at which the 'switch pack' command was given |
640 | SwitchPackType[Control] = PLUGIN_RAW; // type of new pack to insert |
641 | controller[Control].control->Plugin = PLUGIN_NONE;// remove old pack |
642 | play.type = EV_FF; |
643 | play.code = ffstrong[Control].id; |
644 | play.value = 1; |
645 | if (write(controller[Control].event_joystick, (const void*) &play, sizeof(play)) == -1) |
646 | perror("Error starting rumble effect"); |
647 | } |
648 | // handle inserting new pack if the time has arrived |
649 | if (SwitchPackTime[Control] != 0 && (SDL_GetTicks() - SwitchPackTime[Control]) >= 1000) |
650 | { |
651 | controller[Control].control->Plugin = SwitchPackType[Control]; |
652 | SwitchPackTime[Control] = 0; |
653 | } |
654 | } |
655 | #endif /* __linux__ */ |
656 | |
657 | controller[Control].buttons.Value = 0; |
658 | } |
659 | |
660 | static void InitiateRumble(int cntrl) |
661 | { |
662 | #ifdef __linux__ |
663 | DIR* dp; |
664 | struct dirent* ep; |
665 | unsigned long features[4]; |
666 | char temp[128]; |
667 | char temp2[128]; |
668 | int iFound = 0; |
669 | |
670 | controller[cntrl].event_joystick = 0; |
671 | |
672 | sprintf(temp,"/sys/class/input/js%d/device", controller[cntrl].device); |
673 | dp = opendir(temp); |
674 | |
675 | if(dp==NULL) |
676 | return; |
677 | |
678 | while ((ep=readdir(dp))) |
679 | { |
680 | if (strncmp(ep->d_name, "event",5)==0) |
681 | { |
682 | sprintf(temp, "/dev/input/%s", ep->d_name); |
683 | iFound = 1; |
684 | break; |
685 | } |
686 | else if(strncmp(ep->d_name,"input:event", 11)==0) |
687 | { |
688 | sscanf(ep->d_name, "input:%s", temp2); |
689 | sprintf(temp, "/dev/input/%s", temp2); |
690 | iFound = 1; |
691 | break; |
692 | } |
693 | else if(strncmp(ep->d_name,"input:input", 11)==0) |
694 | { |
695 | strcat(temp, "/"); |
696 | strcat(temp, ep->d_name); |
697 | closedir (dp); |
698 | dp = opendir(temp); |
699 | if(dp==NULL) |
700 | return; |
701 | } |
702 | } |
703 | |
704 | closedir(dp); |
705 | |
706 | if (!iFound) |
707 | { |
708 | DebugMessage(M64MSG_WARNING, "Couldn't find input event for rumble support."); |
709 | return; |
710 | } |
711 | |
712 | controller[cntrl].event_joystick = open(temp, O_RDWR); |
713 | if(controller[cntrl].event_joystick==-1) |
714 | { |
715 | DebugMessage(M64MSG_WARNING, "Couldn't open device file '%s' for rumble support.", temp); |
716 | controller[cntrl].event_joystick = 0; |
717 | return; |
718 | } |
719 | |
720 | if(ioctl(controller[cntrl].event_joystick, EVIOCGBIT(EV_FF, sizeof(unsigned long) * 4), features)==-1) |
721 | { |
722 | DebugMessage(M64MSG_WARNING, "Linux kernel communication failed for force feedback (rumble).\n"); |
723 | controller[cntrl].event_joystick = 0; |
724 | return; |
725 | } |
726 | |
727 | if(!test_bit(FF_RUMBLE, features)) |
728 | { |
729 | DebugMessage(M64MSG_WARNING, "No rumble supported on N64 joystick #%i", cntrl + 1); |
730 | controller[cntrl].event_joystick = 0; |
731 | return; |
732 | } |
733 | |
734 | ffeffect[cntrl].type = FF_RUMBLE; |
735 | ffeffect[cntrl].id = -1; |
736 | ffeffect[cntrl].u.rumble.strong_magnitude = 0xFFFF; |
737 | ffeffect[cntrl].u.rumble.weak_magnitude = 0xFFFF; |
738 | ffeffect[cntrl].replay.length = 0x7fff; // hack: xboxdrv is buggy and doesn't support infinite replay. |
739 | // when xboxdrv is fixed (https://github.com/Grumbel/xboxdrv/issues/47), |
740 | // please remove this |
741 | |
742 | ioctl(controller[cntrl].event_joystick, EVIOCSFF, &ffeffect[cntrl]); |
743 | |
744 | ffstrong[cntrl].type = FF_RUMBLE; |
745 | ffstrong[cntrl].id = -1; |
746 | ffstrong[cntrl].u.rumble.strong_magnitude = 0xFFFF; |
747 | ffstrong[cntrl].u.rumble.weak_magnitude = 0x0000; |
748 | ffstrong[cntrl].replay.length = 500; |
749 | ffstrong[cntrl].replay.delay = 0; |
750 | |
751 | ioctl(controller[cntrl].event_joystick, EVIOCSFF, &ffstrong[cntrl]); |
752 | |
753 | ffweak[cntrl].type = FF_RUMBLE; |
754 | ffweak[cntrl].id = -1; |
755 | ffweak[cntrl].u.rumble.strong_magnitude = 0x0000; |
756 | ffweak[cntrl].u.rumble.weak_magnitude = 0xFFFF; |
757 | ffweak[cntrl].replay.length = 500; |
758 | ffweak[cntrl].replay.delay = 0; |
759 | |
760 | ioctl(controller[cntrl].event_joystick, EVIOCSFF, &ffweak[cntrl]); |
761 | |
762 | DebugMessage(M64MSG_INFO, "Rumble activated on N64 joystick #%i", cntrl + 1); |
763 | #endif /* __linux__ */ |
764 | } |
765 | |
766 | /****************************************************************** |
767 | Function: InitiateControllers |
768 | Purpose: This function initialises how each of the controllers |
769 | should be handled. |
770 | input: - The handle to the main window. |
771 | - A controller structure that needs to be filled for |
772 | the emulator to know how to handle each controller. |
773 | output: none |
774 | *******************************************************************/ |
775 | EXPORT void CALL InitiateControllers(CONTROL_INFO ControlInfo) |
776 | { |
777 | int i; |
778 | |
779 | // reset controllers |
780 | memset( controller, 0, sizeof( SController ) * 4 ); |
781 | for ( i = 0; i < SDL_NUM_SCANCODES; i++) |
782 | { |
783 | myKeyState[i] = 0; |
784 | } |
785 | // set our CONTROL struct pointers to the array that was passed in to this function from the core |
786 | // this small struct tells the core whether each controller is plugged in, and what type of pak is connected |
787 | for (i = 0; i < 4; i++) |
788 | controller[i].control = ControlInfo.Controls + i; |
789 | |
790 | // read configuration |
791 | load_configuration(0); |
792 | |
793 | for( i = 0; i < 4; i++ ) |
794 | { |
795 | // test for rumble support for this joystick |
796 | InitiateRumble(i); |
797 | // if rumble not supported, switch to mempack |
798 | if (controller[i].control->Plugin == PLUGIN_RAW && controller[i].event_joystick == 0) |
799 | controller[i].control->Plugin = PLUGIN_MEMPAK; |
800 | } |
801 | |
802 | DebugMessage(M64MSG_INFO, "%s version %i.%i.%i initialized.", PLUGIN_NAME, VERSION_PRINTF_SPLIT(PLUGIN_VERSION)); |
803 | } |
804 | |
805 | /****************************************************************** |
806 | Function: ReadController |
807 | Purpose: To process the raw data in the pif ram that is about to |
808 | be read. |
809 | input: - Controller Number (0 to 3) and -1 signalling end of |
810 | processing the pif ram. |
811 | - Pointer of data to be processed. |
812 | output: none |
813 | note: This function is only needed if the DLL is allowing raw |
814 | data. |
815 | *******************************************************************/ |
816 | EXPORT void CALL ReadController(int Control, unsigned char *Command) |
817 | { |
818 | #ifdef _DEBUG |
819 | if (Command != NULL) |
820 | DebugMessage(M64MSG_INFO, "Raw Read (cont=%d): %02X %02X %02X %02X %02X %02X", Control, |
821 | Command[0], Command[1], Command[2], Command[3], Command[4], Command[5]); |
822 | #endif |
823 | } |
824 | |
825 | /****************************************************************** |
826 | Function: RomClosed |
827 | Purpose: This function is called when a rom is closed. |
828 | input: none |
829 | output: none |
830 | *******************************************************************/ |
831 | EXPORT void CALL RomClosed(void) |
832 | { |
833 | int i; |
834 | |
835 | // close joysticks |
836 | for( i = 0; i < 4; i++ ) |
837 | if( controller[i].joystick ) |
838 | { |
839 | SDL_JoystickClose( controller[i].joystick ); |
840 | controller[i].joystick = NULL; |
841 | } |
842 | |
843 | // quit SDL joystick subsystem |
844 | SDL_QuitSubSystem( SDL_INIT_JOYSTICK ); |
845 | |
846 | // release/ungrab mouse |
847 | #if SDL_VERSION_ATLEAST(2,0,0) |
848 | #warning SDL mouse grabbing not yet supported with SDL 2.0 |
849 | #else |
850 | SDL_WM_GrabInput( SDL_GRAB_OFF ); |
851 | #endif |
852 | SDL_ShowCursor( 1 ); |
853 | |
854 | romopen = 0; |
855 | } |
856 | |
857 | /****************************************************************** |
858 | Function: RomOpen |
859 | Purpose: This function is called when a rom is open. (from the |
860 | emulation thread) |
861 | input: none |
862 | output: none |
863 | *******************************************************************/ |
864 | EXPORT int CALL RomOpen(void) |
865 | { |
866 | int i; |
867 | |
868 | // init SDL joystick subsystem |
869 | if( !SDL_WasInit( SDL_INIT_JOYSTICK ) ) |
870 | if( SDL_InitSubSystem( SDL_INIT_JOYSTICK ) == -1 ) |
871 | { |
872 | DebugMessage(M64MSG_ERROR, "Couldn't init SDL joystick subsystem: %s", SDL_GetError() ); |
873 | return 0; |
874 | } |
875 | |
876 | // open joysticks |
877 | for( i = 0; i < 4; i++ ) |
878 | if( controller[i].device >= 0 ) |
879 | { |
880 | controller[i].joystick = SDL_JoystickOpen( controller[i].device ); |
881 | if( controller[i].joystick == NULL ) |
882 | DebugMessage(M64MSG_WARNING, "Couldn't open joystick for controller #%d: %s", i + 1, SDL_GetError() ); |
883 | } |
884 | else |
885 | controller[i].joystick = NULL; |
886 | |
887 | // grab mouse |
888 | if (controller[0].mouse || controller[1].mouse || controller[2].mouse || controller[3].mouse) |
889 | { |
890 | #if SDL_VERSION_ATLEAST(2,0,0) |
891 | #warning SDL mouse grabbing not yet supported with SDL 2.0 |
892 | #else |
893 | SDL_ShowCursor( 0 ); |
894 | if (SDL_WM_GrabInput( SDL_GRAB_ON ) != SDL_GRAB_ON) |
895 | { |
896 | DebugMessage(M64MSG_WARNING, "Couldn't grab input! Mouse support won't work!"); |
897 | } |
898 | #endif |
899 | } |
900 | |
901 | romopen = 1; |
902 | return 1; |
903 | } |
904 | |
905 | /****************************************************************** |
906 | Function: SDL_KeyDown |
907 | Purpose: To pass the SDL_KeyDown message from the emulator to the |
908 | plugin. |
909 | input: keymod and keysym of the SDL_KEYDOWN message. |
910 | output: none |
911 | *******************************************************************/ |
912 | EXPORT void CALL SDL_KeyDown(int keymod, int keysym) |
913 | { |
914 | myKeyState[keysym] = 1; |
915 | } |
916 | |
917 | /****************************************************************** |
918 | Function: SDL_KeyUp |
919 | Purpose: To pass the SDL_KeyUp message from the emulator to the |
920 | plugin. |
921 | input: keymod and keysym of the SDL_KEYUP message. |
922 | output: none |
923 | *******************************************************************/ |
924 | EXPORT void CALL SDL_KeyUp(int keymod, int keysym) |
925 | { |
926 | myKeyState[keysym] = 0; |
927 | } |
928 | |