SDL_syshaptic.c
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/*
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)
{
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;
}
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)
{
Android_JNI_HapticRun (((SDL_hapticlist_item *)haptic->hwdata)->device_id, effect->effect.leftright.length);
return 0;
}
int
SDL_SYS_HapticStopEffect(SDL_Haptic * haptic, struct haptic_effect *effect)
{
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: */
SDL_SYS_HapticOpenFromJoystick
int SDL_SYS_HapticOpenFromJoystick(SDL_Haptic *haptic, SDL_Joystick *joystick)
SDL_joystick.h
SDL_hapticlist_item::name
char * name
Definition: SDL_windowshaptic_c.h:69
SDL_SYS_HapticOpen
int SDL_SYS_HapticOpen(SDL_Haptic *haptic)
SDL_SYS_HapticMouse
int SDL_SYS_HapticMouse(void)
SDL_SYS_JoystickSameHaptic
int SDL_SYS_JoystickSameHaptic(SDL_Haptic *haptic, SDL_Joystick *joystick)
SDL_SYS_HapticStopEffect
int SDL_SYS_HapticStopEffect(SDL_Haptic *haptic, struct haptic_effect *effect)
SDL_hapticlist_item::haptic
SDL_Haptic * haptic
Definition: SDL_windowshaptic_c.h:70
SDL_SYS_HapticName
const char * SDL_SYS_HapticName(int index)
data
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1974
SDL_haptic.h
The SDL haptic subsystem allows you to control haptic (force feedback) devices.
SDL_SYS_HapticUnpause
int SDL_SYS_HapticUnpause(SDL_Haptic *haptic)
iterations
static int iterations
Definition: testsprite2.c:43
Uint32
uint32_t Uint32
Definition: SDL_stdinc.h:181
SDL_SYS_NumHaptics
int SDL_SYS_NumHaptics(void)
SDL_SYS_HapticGetEffectStatus
int SDL_SYS_HapticGetEffectStatus(SDL_Haptic *haptic, struct haptic_effect *effect)
name
GLuint const GLchar * name
Definition: SDL_opengl_glext.h:660
joystick_hwdata
Definition: SDL_sysjoystick_c.h:44
SDL_hapticlist
SDL_hapticlist_item * SDL_hapticlist
SDL_hapticlist_item::next
struct SDL_hapticlist_item * next
Definition: SDL_windowshaptic_c.h:77
haptic_hwdata
Definition: SDL_windowshaptic_c.h:34
retval
SDL_bool retval
Definition: testgamecontroller.c:65
SDL_HapticEffect
The generic template for any haptic effect.
Definition: SDL_haptic.h:789
SDL_SYS_HapticSetAutocenter
int SDL_SYS_HapticSetAutocenter(SDL_Haptic *haptic, int autocenter)
SDL_GetTicks
Uint32 SDL_GetTicks(void)
Get the number of milliseconds since the SDL library initialization.
SDL_free
#define SDL_free
Definition: SDL_dynapi_overrides.h:377
haptic_effect
Definition: SDL_syshaptic.h:30
SDL_SYS_HapticUpdateEffect
int SDL_SYS_HapticUpdateEffect(SDL_Haptic *haptic, struct haptic_effect *effect, SDL_HapticEffect *data)
SDL_SYS_JoystickIsHaptic
int SDL_SYS_JoystickIsHaptic(SDL_Joystick *joystick)
Android_JNI_PollHapticDevices
void Android_JNI_PollHapticDevices(void)
index
GLuint index
Definition: SDL_opengl_glext.h:660
SDL_SYS_HapticDestroyEffect
void SDL_SYS_HapticDestroyEffect(SDL_Haptic *haptic, struct haptic_effect *effect)
SDL_assert
#define SDL_assert(condition)
Definition: SDL_assert.h:169
NULL
#define NULL
Definition: begin_code.h:164
SDL_OutOfMemory
#define SDL_OutOfMemory()
Definition: SDL_error.h:52
haptic_effect::effect
SDL_HapticEffect effect
Definition: SDL_syshaptic.h:32
SDL_SYS_HapticInit
int SDL_SYS_HapticInit(void)
SDL_SYS_HapticQuit
void SDL_SYS_HapticQuit(void)
SDL_SetError
#define SDL_SetError
Definition: SDL_dynapi_overrides.h:30
SDL_SYS_HapticClose
void SDL_SYS_HapticClose(SDL_Haptic *haptic)
SDL_SYS_HapticPause
int SDL_SYS_HapticPause(SDL_Haptic *haptic)
SDL_calloc
#define SDL_calloc
Definition: SDL_dynapi_overrides.h:375
SDL_HapticEffect::leftright
SDL_HapticLeftRight leftright
Definition: SDL_haptic.h:797
SDL_strdup
#define SDL_strdup
Definition: SDL_dynapi_overrides.h:397
timeout
GLbitfield GLuint64 timeout
Definition: SDL_opengl_glext.h:1483
SDL_hapticlist_item
Definition: SDL_windowshaptic_c.h:67
SDL_SYS_HapticStopAll
int SDL_SYS_HapticStopAll(SDL_Haptic *haptic)
SDL_malloc
#define SDL_malloc
Definition: SDL_dynapi_overrides.h:374
SDL_SYS_HapticSetGain
int SDL_SYS_HapticSetGain(SDL_Haptic *haptic, int gain)
SDL_timer.h
SDL_TICKS_PASSED
#define SDL_TICKS_PASSED(A, B)
Compare SDL ticks values, and return true if A has passed B.
Definition: SDL_timer.h:56
SDL_HAPTIC_LEFTRIGHT
#define SDL_HAPTIC_LEFTRIGHT
Left/Right effect supported.
Definition: SDL_haptic.h:172
SDL_SYS_HapticRunEffect
int SDL_SYS_HapticRunEffect(SDL_Haptic *haptic, struct haptic_effect *effect, Uint32 iterations)
SDL_HapticLeftRight::length
Uint32 length
Definition: SDL_haptic.h:671
Android_JNI_HapticRun
void Android_JNI_HapticRun(int device_id, int length)
SDL_memset
#define SDL_memset
Definition: SDL_dynapi_overrides.h:386
SDL_assert.h
SDL_SYS_HapticNewEffect
int SDL_SYS_HapticNewEffect(SDL_Haptic *haptic, struct haptic_effect *effect, SDL_HapticEffect *base)