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Fixed whitespace and added code to support older game controller GUIDs

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This commit is contained in:
Sam Lantinga 2016-11-11 04:35:06 -08:00
parent b6542ab237
commit 160e719449
1 changed files with 32 additions and 13 deletions
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45
src/joystick/SDL_gamecontroller.c
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@ -396,11 +396,11 @@ void SDL_PrivateGameControllerParseButton(const char *szGameButton, const char *
return; return;
} }
if (axis != SDL_CONTROLLER_AXIS_INVALID) { if (axis != SDL_CONTROLLER_AXIS_INVALID) {
pMapping->axes[ axis ] = iSDLButton; pMapping->axes[axis] = iSDLButton;
pMapping->raxes[ iSDLButton ] = axis; pMapping->raxes[iSDLButton] = axis;
} else if (button != SDL_CONTROLLER_BUTTON_INVALID) { } else if (button != SDL_CONTROLLER_BUTTON_INVALID) {
pMapping->axesasbutton[ button ] = iSDLButton; pMapping->axesasbutton[button] = iSDLButton;
pMapping->raxesasbutton[ iSDLButton ] = button; pMapping->raxesasbutton[iSDLButton] = button;
} else { } else {
SDL_assert(!"How did we get here?"); SDL_assert(!"How did we get here?");
} }
@ -411,11 +411,11 @@ void SDL_PrivateGameControllerParseButton(const char *szGameButton, const char *
return; return;
} }
if (button != SDL_CONTROLLER_BUTTON_INVALID) { if (button != SDL_CONTROLLER_BUTTON_INVALID) {
pMapping->buttons[ button ] = iSDLButton; pMapping->buttons[button] = iSDLButton;
pMapping->rbuttons[ iSDLButton ] = button; pMapping->rbuttons[iSDLButton] = button;
} else if (axis != SDL_CONTROLLER_AXIS_INVALID) { } else if (axis != SDL_CONTROLLER_AXIS_INVALID) {
pMapping->buttonasaxis[ axis ] = iSDLButton; pMapping->buttonasaxis[axis] = iSDLButton;
pMapping->rbuttonasaxis[ iSDLButton ] = axis; pMapping->rbuttonasaxis[iSDLButton] = axis;
} else { } else {
SDL_assert(!"How did we get here?"); SDL_assert(!"How did we get here?");
} }
@ -428,10 +428,10 @@ void SDL_PrivateGameControllerParseButton(const char *szGameButton, const char *
if (button != SDL_CONTROLLER_BUTTON_INVALID) { if (button != SDL_CONTROLLER_BUTTON_INVALID) {
int ridx; int ridx;
pMapping->hatasbutton[ button ].hat = hat; pMapping->hatasbutton[button].hat = hat;
pMapping->hatasbutton[ button ].mask = mask; pMapping->hatasbutton[button].mask = mask;
ridx = (hat << 4) | mask; ridx = (hat << 4) | mask;
pMapping->rhatasbutton[ ridx ] = button; pMapping->rhatasbutton[ridx] = button;
} else if (axis != SDL_CONTROLLER_AXIS_INVALID) { } else if (axis != SDL_CONTROLLER_AXIS_INVALID) {
SDL_assert(!"Support hat as axis"); SDL_assert(!"Support hat as axis");
} else { } else {
@ -540,7 +540,26 @@ char *SDL_PrivateGetControllerGUIDFromMappingString(const char *pMapping)
return NULL; return NULL;
} }
SDL_memcpy(pchGUID, pMapping, pFirstComma - pMapping); SDL_memcpy(pchGUID, pMapping, pFirstComma - pMapping);
pchGUID[ pFirstComma - pMapping ] = 0; pchGUID[pFirstComma - pMapping] = '\0';
/* Convert old style GUIDs to the new style in 2.0.5 */
#if __WIN32__
if (SDL_strlen(pchGUID) == 32 &&
SDL_memcmp(&pchGUID[20], "504944564944", 12) == 0) {
SDL_memcpy(&pchGUID[20], "000000000000", 12);
SDL_memcpy(&pchGUID[16], &pchGUID[4], 4);
SDL_memcpy(&pchGUID[8], &pchGUID[0], 4);
SDL_memcpy(&pchGUID[0], "03000000", 8);
}
#elif __MACOSX__
if (SDL_strlen(pchGUID) == 32 &&
SDL_memcmp(&pchGUID[4], "000000000000", 12) == 0 &&
SDL_memcmp(&pchGUID[20], "000000000000", 12) == 0) {
SDL_memcpy(&pchGUID[20], "000000000000", 12);
SDL_memcpy(&pchGUID[8], &pchGUID[0], 4);
SDL_memcpy(&pchGUID[0], "03000000", 8);
}
#endif
return pchGUID; return pchGUID;
} }
return NULL; return NULL;
@ -569,7 +588,7 @@ char *SDL_PrivateGetControllerNameFromMappingString(const char *pMapping)
return NULL; return NULL;
} }
SDL_memcpy(pchName, pFirstComma + 1, pSecondComma - pFirstComma); SDL_memcpy(pchName, pFirstComma + 1, pSecondComma - pFirstComma);
pchName[ pSecondComma - pFirstComma - 1 ] = 0; pchName[pSecondComma - pFirstComma - 1] = 0;
return pchName; return pchName;
} }