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Use SDL_HINT_GAMECONTROLLER_SENSOR_FUSION as a list of controllers to enable sensor fusion

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There are too many wraparound style controllers out there to enumerate them all, so instead make this a user option in applications that support it.
This commit is contained in:
Sam Lantinga
2023-06-17 08:59:52 -07:00
parent 610c31c7b7
commit d91e96e7f5
4 changed files with 112 additions and 96 deletions
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78
src/joystick/SDL_gamepad.c
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@@ -150,61 +150,9 @@ struct SDL_Gamepad
return retval; \
}
typedef struct
{
int num_entries;
int max_entries;
Uint32 *entries;
} SDL_vidpid_list;
static SDL_vidpid_list SDL_allowed_gamepads;
static SDL_vidpid_list SDL_ignored_gamepads;
static void SDL_LoadVIDPIDListFromHint(const char *hint, SDL_vidpid_list *list)
{
Uint32 entry;
char *spot;
char *file = NULL;
list->num_entries = 0;
if (hint && *hint == '@') {
spot = file = (char *)SDL_LoadFile(hint + 1, NULL);
} else {
spot = (char *)hint;
}
if (spot == NULL) {
return;
}
while ((spot = SDL_strstr(spot, "0x")) != NULL) {
entry = (Uint16)SDL_strtol(spot, &spot, 0);
entry <<= 16;
spot = SDL_strstr(spot, "0x");
if (spot == NULL) {
break;
}
entry |= (Uint16)SDL_strtol(spot, &spot, 0);
if (list->num_entries == list->max_entries) {
int max_entries = list->max_entries + 16;
Uint32 *entries = (Uint32 *)SDL_realloc(list->entries, max_entries * sizeof(*list->entries));
if (entries == NULL) {
/* Out of memory, go with what we have already */
break;
}
list->entries = entries;
list->max_entries = max_entries;
}
list->entries[list->num_entries++] = entry;
}
if (file) {
SDL_free(file);
}
}
static void SDLCALL SDL_GamepadIgnoreDevicesChanged(void *userdata, const char *name, const char *oldValue, const char *hint)
{
SDL_LoadVIDPIDListFromHint(hint, &SDL_ignored_gamepads);
@@ -2112,11 +2060,9 @@ static SDL_bool SDL_endswith(const char *string, const char *suffix)
*/
SDL_bool SDL_ShouldIgnoreGamepad(const char *name, SDL_JoystickGUID guid)
{
int i;
Uint16 vendor;
Uint16 product;
Uint16 version;
Uint32 vidpid;
#ifdef __LINUX__
if (SDL_endswith(name, " Motion Sensors")) {
@@ -2165,20 +2111,14 @@ SDL_bool SDL_ShouldIgnoreGamepad(const char *name, SDL_JoystickGUID guid)
}
}
vidpid = MAKE_VIDPID(vendor, product);
if (SDL_allowed_gamepads.num_entries > 0) {
for (i = 0; i < SDL_allowed_gamepads.num_entries; ++i) {
if (vidpid == SDL_allowed_gamepads.entries[i]) {
return SDL_FALSE;
}
if (SDL_VIDPIDInList(vendor, product, &SDL_allowed_gamepads)) {
return SDL_FALSE;
}
return SDL_TRUE;
} else {
for (i = 0; i < SDL_ignored_gamepads.num_entries; ++i) {
if (vidpid == SDL_ignored_gamepads.entries[i]) {
return SDL_TRUE;
}
if (SDL_VIDPIDInList(vendor, product, &SDL_ignored_gamepads)) {
return SDL_TRUE;
}
return SDL_FALSE;
}
@@ -3100,14 +3040,8 @@ void SDL_QuitGamepadMappings(void)
SDL_DelHintCallback(SDL_HINT_GAMECONTROLLER_IGNORE_DEVICES_EXCEPT,
SDL_GamepadIgnoreDevicesExceptChanged, NULL);
if (SDL_allowed_gamepads.entries) {
SDL_free(SDL_allowed_gamepads.entries);
SDL_zero(SDL_allowed_gamepads);
}
if (SDL_ignored_gamepads.entries) {
SDL_free(SDL_ignored_gamepads.entries);
SDL_zero(SDL_ignored_gamepads);
}
SDL_FreeVIDPIDList(&SDL_allowed_gamepads);
SDL_FreeVIDPIDList(&SDL_ignored_gamepads);
}
/*