From 5a079a2d114f96d4847d1ee305d5b7c16eeec50e Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Sat, 27 Dec 2025 12:03:39 -0800 Subject: Initial commit --- .../SDL-3.2.8/src/haptic/android/SDL_syshaptic.c | 307 +++++++++++++++++++++ 1 file changed, 307 insertions(+) create mode 100644 contrib/SDL-3.2.8/src/haptic/android/SDL_syshaptic.c (limited to 'contrib/SDL-3.2.8/src/haptic/android/SDL_syshaptic.c') diff --git a/contrib/SDL-3.2.8/src/haptic/android/SDL_syshaptic.c b/contrib/SDL-3.2.8/src/haptic/android/SDL_syshaptic.c new file mode 100644 index 0000000..d155dbc --- /dev/null +++ b/contrib/SDL-3.2.8/src/haptic/android/SDL_syshaptic.c @@ -0,0 +1,307 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2025 Sam Lantinga + + 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_syshaptic_c.h" +#include "../SDL_syshaptic.h" +#include "../../core/android/SDL_android.h" + +typedef struct SDL_hapticlist_item +{ + SDL_HapticID instance_id; + 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; + +bool SDL_SYS_HapticInit(void) +{ + Android_JNI_PollHapticDevices(); + + return true; +} + +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 *HapticByInstanceID(SDL_HapticID instance_id) +{ + SDL_hapticlist_item *item; + for (item = SDL_hapticlist; item; item = item->next) { + if (instance_id == item->instance_id) { + return item; + } + } + return NULL; +} + +SDL_HapticID SDL_SYS_HapticInstanceID(int index) +{ + SDL_hapticlist_item *item = HapticByOrder(index); + if (item) { + return item->instance_id; + } + return 0; +} + +const char *SDL_SYS_HapticName(int index) +{ + SDL_hapticlist_item *item = HapticByOrder(index); + if (!item) { + SDL_SetError("No such device"); + return NULL; + } + return item->name; +} + +static SDL_hapticlist_item *OpenHaptic(SDL_Haptic *haptic, SDL_hapticlist_item *item) +{ + if (!item) { + SDL_SetError("No such device"); + return NULL; + } + if (item->haptic) { + SDL_SetError("Haptic already opened"); + return NULL; + } + + haptic->hwdata = (struct haptic_hwdata *)item; + item->haptic = haptic; + + haptic->instance_id = item->instance_id; + if (item->name) { + haptic->name = SDL_strdup(item->name); + } + haptic->supported = SDL_HAPTIC_LEFTRIGHT; + haptic->neffects = 1; + haptic->nplaying = haptic->neffects; + haptic->effects = (struct haptic_effect *)SDL_calloc(haptic->neffects, sizeof(struct haptic_effect)); + if (!haptic->effects) { + return NULL; + } + return item; +} + +static SDL_hapticlist_item *OpenHapticByInstanceID(SDL_Haptic *haptic, SDL_HapticID instance_id) +{ + return OpenHaptic(haptic, HapticByInstanceID(instance_id)); +} + +bool SDL_SYS_HapticOpen(SDL_Haptic *haptic) +{ + return OpenHapticByInstanceID(haptic, haptic->instance_id) != NULL; +} + +int SDL_SYS_HapticMouse(void) +{ + return -1; +} + +bool SDL_SYS_JoystickIsHaptic(SDL_Joystick *joystick) +{ + return false; +} + +bool SDL_SYS_HapticOpenFromJoystick(SDL_Haptic *haptic, SDL_Joystick *joystick) +{ + return SDL_Unsupported(); +} + +bool SDL_SYS_JoystickSameHaptic(SDL_Haptic *haptic, SDL_Joystick *joystick) +{ + return false; +} + +void SDL_SYS_HapticClose(SDL_Haptic *haptic) +{ + ((SDL_hapticlist_item *)haptic->hwdata)->haptic = NULL; + haptic->hwdata = NULL; +} + +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 +} + +bool SDL_SYS_HapticNewEffect(SDL_Haptic *haptic, + struct haptic_effect *effect, const SDL_HapticEffect *base) +{ + return true; +} + +bool SDL_SYS_HapticUpdateEffect(SDL_Haptic *haptic, + struct haptic_effect *effect, + const SDL_HapticEffect *data) +{ + return true; +} + +bool 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 true; +} + +bool SDL_SYS_HapticStopEffect(SDL_Haptic *haptic, struct haptic_effect *effect) +{ + Android_JNI_HapticStop(((SDL_hapticlist_item *)haptic->hwdata)->device_id); + return true; +} + +void SDL_SYS_HapticDestroyEffect(SDL_Haptic *haptic, struct haptic_effect *effect) +{ +} + +int SDL_SYS_HapticGetEffectStatus(SDL_Haptic *haptic, struct haptic_effect *effect) +{ + return 0; +} + +bool SDL_SYS_HapticSetGain(SDL_Haptic *haptic, int gain) +{ + return true; +} + +bool SDL_SYS_HapticSetAutocenter(SDL_Haptic *haptic, int autocenter) +{ + return true; +} + +bool SDL_SYS_HapticPause(SDL_Haptic *haptic) +{ + return true; +} + +bool SDL_SYS_HapticResume(SDL_Haptic *haptic) +{ + return true; +} + +bool SDL_SYS_HapticStopAll(SDL_Haptic *haptic) +{ + return true; +} + +bool 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) { + return false; + } + + item->instance_id = SDL_GetNextObjectID(); + item->device_id = device_id; + item->name = SDL_strdup(name); + if (!item->name) { + SDL_free(item); + return false; + } + + if (!SDL_hapticlist_tail) { + SDL_hapticlist = SDL_hapticlist_tail = item; + } else { + SDL_hapticlist_tail->next = item; + SDL_hapticlist_tail = item; + } + + ++numhaptics; + return true; +} + +bool Android_RemoveHaptic(int device_id) +{ + SDL_hapticlist_item *item; + SDL_hapticlist_item *prev = NULL; + + for (item = SDL_hapticlist; item; item = item->next) { + // found it, remove it. + if (device_id == item->device_id) { + const bool result = item->haptic ? true : false; + + if (prev) { + 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 result; + } + prev = item; + } + return false; +} + +#endif // SDL_HAPTIC_ANDROID -- cgit v1.2.3