diff options
Diffstat (limited to 'Source/external/SDL2/src/haptic/android/SDL_syshaptic.c')
| -rw-r--r-- | Source/external/SDL2/src/haptic/android/SDL_syshaptic.c | 368 |
1 files changed, 368 insertions, 0 deletions
diff --git a/Source/external/SDL2/src/haptic/android/SDL_syshaptic.c b/Source/external/SDL2/src/haptic/android/SDL_syshaptic.c new file mode 100644 index 0000000..7cb289b --- /dev/null +++ b/Source/external/SDL2/src/haptic/android/SDL_syshaptic.c @@ -0,0 +1,368 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org> + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. +*/ +#include "../../SDL_internal.h" + +#ifdef SDL_HAPTIC_ANDROID + +#include "SDL_assert.h" +#include "SDL_timer.h" +#include "SDL_syshaptic_c.h" +#include "../SDL_syshaptic.h" +#include "SDL_haptic.h" +#include "../../core/android/SDL_android.h" +#include "SDL_joystick.h" +#include "../../joystick/SDL_sysjoystick.h" /* For the real SDL_Joystick */ +#include "../../joystick/android/SDL_sysjoystick_c.h" /* For joystick hwdata */ + + +typedef struct SDL_hapticlist_item +{ + int device_id; + char *name; + SDL_Haptic *haptic; + struct SDL_hapticlist_item *next; +} SDL_hapticlist_item; + +static SDL_hapticlist_item *SDL_hapticlist = NULL; +static SDL_hapticlist_item *SDL_hapticlist_tail = NULL; +static int numhaptics = 0; + + +int +SDL_SYS_HapticInit(void) +{ + /* Support for device connect/disconnect is API >= 16 only, + * so we poll every three seconds + * Ref: http://developer.android.com/reference/android/hardware/input/InputManager.InputDeviceListener.html + */ + static Uint32 timeout = 0; + if (SDL_TICKS_PASSED(SDL_GetTicks(), timeout)) { + timeout = SDL_GetTicks() + 3000; + Android_JNI_PollHapticDevices(); + } + return (numhaptics); +} + +int +SDL_SYS_NumHaptics(void) +{ + return (numhaptics); +} + +static SDL_hapticlist_item * +HapticByOrder(int index) +{ + SDL_hapticlist_item *item = SDL_hapticlist; + if ((index < 0) || (index >= numhaptics)) { + return NULL; + } + while (index > 0) { + SDL_assert(item != NULL); + --index; + item = item->next; + } + return item; +} + +static SDL_hapticlist_item * +HapticByDevId (int device_id) +{ + SDL_hapticlist_item *item; + for (item = SDL_hapticlist; item != NULL; item = item->next) { + if (device_id == item->device_id) { + /*SDL_Log("=+=+=+=+=+= HapticByDevId id [%d]", device_id);*/ + return item; + } + } + return NULL; +} + +const char * +SDL_SYS_HapticName(int index) +{ + SDL_hapticlist_item *item = HapticByOrder(index); + if (item == NULL ) { + SDL_SetError("No such device"); + return NULL; + } + return item->name; +} + + +static SDL_hapticlist_item * +OpenHaptic(SDL_Haptic *haptic, SDL_hapticlist_item *item) +{ + if (item == NULL ) { + SDL_SetError("No such device"); + return NULL; + } + if (item->haptic != NULL) { + SDL_SetError("Haptic already opened"); + return NULL; + } + + haptic->hwdata = (struct haptic_hwdata *)item; + item->haptic = haptic; + + haptic->supported = SDL_HAPTIC_LEFTRIGHT; + haptic->neffects = 1; + haptic->nplaying = haptic->neffects; + haptic->effects = (struct haptic_effect *)SDL_malloc (sizeof (struct haptic_effect) * haptic->neffects); + if (haptic->effects == NULL) { + SDL_OutOfMemory(); + return NULL; + } + SDL_memset(haptic->effects, 0, sizeof (struct haptic_effect) * haptic->neffects); + return item; +} + +static SDL_hapticlist_item * +OpenHapticByOrder(SDL_Haptic *haptic, int index) +{ + return OpenHaptic (haptic, HapticByOrder(index)); +} + +static SDL_hapticlist_item * +OpenHapticByDevId(SDL_Haptic *haptic, int device_id) +{ + return OpenHaptic (haptic, HapticByDevId(device_id)); +} + +int +SDL_SYS_HapticOpen(SDL_Haptic *haptic) +{ + return (OpenHapticByOrder(haptic, haptic->index) == NULL ? -1 : 0); +} + + +int +SDL_SYS_HapticMouse(void) +{ + return 0; +} + + +int +SDL_SYS_JoystickIsHaptic(SDL_Joystick *joystick) +{ + SDL_hapticlist_item *item; + item = HapticByDevId(((joystick_hwdata *)joystick->hwdata)->device_id); + return (item != NULL) ? 1 : 0; +} + + +int +SDL_SYS_HapticOpenFromJoystick(SDL_Haptic *haptic, SDL_Joystick *joystick) +{ + return (OpenHapticByDevId(haptic, ((joystick_hwdata *)joystick->hwdata)->device_id) == NULL ? -1 : 0); +} + + +int +SDL_SYS_JoystickSameHaptic(SDL_Haptic * haptic, SDL_Joystick * joystick) +{ + return (((SDL_hapticlist_item *)haptic->hwdata)->device_id == ((joystick_hwdata *)joystick->hwdata)->device_id ? 1 : 0); +} + + +void +SDL_SYS_HapticClose(SDL_Haptic * haptic) +{ + ((SDL_hapticlist_item *)haptic->hwdata)->haptic = NULL; + haptic->hwdata = NULL; + return; +} + + +void +SDL_SYS_HapticQuit(void) +{ +/* We don't have any way to scan for joysticks (and their vibrators) at init, so don't wipe the list + * of joysticks here in case this is a reinit. + */ +#if 0 + SDL_hapticlist_item *item = NULL; + SDL_hapticlist_item *next = NULL; + + for (item = SDL_hapticlist; item; item = next) { + next = item->next; + SDL_free(item); + } + + SDL_hapticlist = SDL_hapticlist_tail = NULL; + numhaptics = 0; + return; +#endif +} + + +int +SDL_SYS_HapticNewEffect(SDL_Haptic * haptic, + struct haptic_effect *effect, SDL_HapticEffect * base) +{ + return 0; +} + + +int +SDL_SYS_HapticUpdateEffect(SDL_Haptic * haptic, + struct haptic_effect *effect, + SDL_HapticEffect * data) +{ + return 0; +} + + +int +SDL_SYS_HapticRunEffect(SDL_Haptic * haptic, struct haptic_effect *effect, + Uint32 iterations) +{ + float large = effect->effect.leftright.large_magnitude / 32767.0f; + float small = effect->effect.leftright.small_magnitude / 32767.0f; + + float total = (large * 0.6f) + (small * 0.4f); + + Android_JNI_HapticRun (((SDL_hapticlist_item *)haptic->hwdata)->device_id, total, effect->effect.leftright.length); + return 0; +} + + +int +SDL_SYS_HapticStopEffect(SDL_Haptic * haptic, struct haptic_effect *effect) +{ + Android_JNI_HapticStop (((SDL_hapticlist_item *)haptic->hwdata)->device_id); + return 0; +} + + +void +SDL_SYS_HapticDestroyEffect(SDL_Haptic * haptic, struct haptic_effect *effect) +{ + return; +} + + +int +SDL_SYS_HapticGetEffectStatus(SDL_Haptic * haptic, + struct haptic_effect *effect) +{ + return 0; +} + + +int +SDL_SYS_HapticSetGain(SDL_Haptic * haptic, int gain) +{ + return 0; +} + + +int +SDL_SYS_HapticSetAutocenter(SDL_Haptic * haptic, int autocenter) +{ + return 0; +} + +int +SDL_SYS_HapticPause(SDL_Haptic * haptic) +{ + return 0; +} + +int +SDL_SYS_HapticUnpause(SDL_Haptic * haptic) +{ + return 0; +} + +int +SDL_SYS_HapticStopAll(SDL_Haptic * haptic) +{ + return 0; +} + + + +int +Android_AddHaptic(int device_id, const char *name) +{ + SDL_hapticlist_item *item; + item = (SDL_hapticlist_item *) SDL_calloc(1, sizeof (SDL_hapticlist_item)); + if (item == NULL) { + return -1; + } + + item->device_id = device_id; + item->name = SDL_strdup (name); + if (item->name == NULL) { + SDL_free (item); + return -1; + } + + if (SDL_hapticlist_tail == NULL) { + SDL_hapticlist = SDL_hapticlist_tail = item; + } else { + SDL_hapticlist_tail->next = item; + SDL_hapticlist_tail = item; + } + + ++numhaptics; + return numhaptics; +} + +int +Android_RemoveHaptic(int device_id) +{ + SDL_hapticlist_item *item; + SDL_hapticlist_item *prev = NULL; + + for (item = SDL_hapticlist; item != NULL; item = item->next) { + /* found it, remove it. */ + if (device_id == item->device_id) { + const int retval = item->haptic ? item->haptic->index : -1; + + if (prev != NULL) { + prev->next = item->next; + } else { + SDL_assert(SDL_hapticlist == item); + SDL_hapticlist = item->next; + } + if (item == SDL_hapticlist_tail) { + SDL_hapticlist_tail = prev; + } + + /* Need to decrement the haptic count */ + --numhaptics; + /* !!! TODO: Send a haptic remove event? */ + + SDL_free(item->name); + SDL_free(item); + return retval; + } + prev = item; + } + return -1; +} + + +#endif /* SDL_HAPTIC_ANDROID */ + +/* vi: set ts=4 sw=4 expandtab: */ |