summaryrefslogtreecommitdiffstatshomepage
path: root/3rdparty/SDL2/src/joystick/android/SDL_sysjoystick.c
diff options
context:
space:
mode:
author Miodrag Milanovic <mmicko@gmail.com>2016-02-27 16:28:05 +0100
committer Miodrag Milanovic <mmicko@gmail.com>2016-02-27 16:53:49 +0100
commitcf6dc7d370407914020f3e623719f09c8668c692 (patch)
tree46b3416d091b4c09b50fba7ffcbd310aed032cc8 /3rdparty/SDL2/src/joystick/android/SDL_sysjoystick.c
parent64135e73f973d9b95beb0c60b65feb34fbfec64a (diff)
Placed SDL2 source since we need it on some platforms (nw)
Diffstat (limited to '3rdparty/SDL2/src/joystick/android/SDL_sysjoystick.c')
-rw-r--r--3rdparty/SDL2/src/joystick/android/SDL_sysjoystick.c582
1 files changed, 582 insertions, 0 deletions
diff --git a/3rdparty/SDL2/src/joystick/android/SDL_sysjoystick.c b/3rdparty/SDL2/src/joystick/android/SDL_sysjoystick.c
new file mode 100644
index 00000000000..8656a5322d2
--- /dev/null
+++ b/3rdparty/SDL2/src/joystick/android/SDL_sysjoystick.c
@@ -0,0 +1,582 @@
+/*
+ Simple DirectMedia Layer
+ Copyright (C) 1997-2016 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_JOYSTICK_ANDROID
+
+#include <stdio.h> /* For the definition of NULL */
+#include "SDL_error.h"
+#include "SDL_events.h"
+
+#if !SDL_EVENTS_DISABLED
+#include "../../events/SDL_events_c.h"
+#endif
+
+#include "SDL_joystick.h"
+#include "SDL_hints.h"
+#include "SDL_assert.h"
+#include "SDL_timer.h"
+#include "SDL_log.h"
+#include "SDL_sysjoystick_c.h"
+#include "../SDL_joystick_c.h"
+#include "../../core/android/SDL_android.h"
+
+#include "android/keycodes.h"
+
+/* As of platform android-14, android/keycodes.h is missing these defines */
+#ifndef AKEYCODE_BUTTON_1
+#define AKEYCODE_BUTTON_1 188
+#define AKEYCODE_BUTTON_2 189
+#define AKEYCODE_BUTTON_3 190
+#define AKEYCODE_BUTTON_4 191
+#define AKEYCODE_BUTTON_5 192
+#define AKEYCODE_BUTTON_6 193
+#define AKEYCODE_BUTTON_7 194
+#define AKEYCODE_BUTTON_8 195
+#define AKEYCODE_BUTTON_9 196
+#define AKEYCODE_BUTTON_10 197
+#define AKEYCODE_BUTTON_11 198
+#define AKEYCODE_BUTTON_12 199
+#define AKEYCODE_BUTTON_13 200
+#define AKEYCODE_BUTTON_14 201
+#define AKEYCODE_BUTTON_15 202
+#define AKEYCODE_BUTTON_16 203
+#endif
+
+#define ANDROID_ACCELEROMETER_NAME "Android Accelerometer"
+#define ANDROID_ACCELEROMETER_DEVICE_ID INT_MIN
+#define ANDROID_MAX_NBUTTONS 36
+
+static SDL_joylist_item * JoystickByDeviceId(int device_id);
+
+static SDL_joylist_item *SDL_joylist = NULL;
+static SDL_joylist_item *SDL_joylist_tail = NULL;
+static int numjoysticks = 0;
+static int instance_counter = 0;
+
+
+/* Function to convert Android keyCodes into SDL ones.
+ * This code manipulation is done to get a sequential list of codes.
+ * FIXME: This is only suited for the case where we use a fixed number of buttons determined by ANDROID_MAX_NBUTTONS
+ */
+static int
+keycode_to_SDL(int keycode)
+{
+ /* FIXME: If this function gets too unwiedly in the future, replace with a lookup table */
+ int button = 0;
+ switch(keycode)
+ {
+ /* Some gamepad buttons (API 9) */
+ case AKEYCODE_BUTTON_A:
+ button = SDL_CONTROLLER_BUTTON_A;
+ break;
+ case AKEYCODE_BUTTON_B:
+ button = SDL_CONTROLLER_BUTTON_B;
+ break;
+ case AKEYCODE_BUTTON_X:
+ button = SDL_CONTROLLER_BUTTON_X;
+ break;
+ case AKEYCODE_BUTTON_Y:
+ button = SDL_CONTROLLER_BUTTON_Y;
+ break;
+ case AKEYCODE_BUTTON_L1:
+ button = SDL_CONTROLLER_BUTTON_LEFTSHOULDER;
+ break;
+ case AKEYCODE_BUTTON_R1:
+ button = SDL_CONTROLLER_BUTTON_RIGHTSHOULDER;
+ break;
+ case AKEYCODE_BUTTON_THUMBL:
+ button = SDL_CONTROLLER_BUTTON_LEFTSTICK;
+ break;
+ case AKEYCODE_BUTTON_THUMBR:
+ button = SDL_CONTROLLER_BUTTON_RIGHTSTICK;
+ break;
+ case AKEYCODE_BUTTON_START:
+ button = SDL_CONTROLLER_BUTTON_START;
+ break;
+ case AKEYCODE_BUTTON_SELECT:
+ button = SDL_CONTROLLER_BUTTON_BACK;
+ break;
+ case AKEYCODE_BUTTON_MODE:
+ button = SDL_CONTROLLER_BUTTON_GUIDE;
+ break;
+ case AKEYCODE_BUTTON_L2:
+ button = SDL_CONTROLLER_BUTTON_MAX; /* Not supported by GameController */
+ break;
+ case AKEYCODE_BUTTON_R2:
+ button = SDL_CONTROLLER_BUTTON_MAX+1; /* Not supported by GameController */
+ break;
+ case AKEYCODE_BUTTON_C:
+ button = SDL_CONTROLLER_BUTTON_MAX+2; /* Not supported by GameController */
+ break;
+ case AKEYCODE_BUTTON_Z:
+ button = SDL_CONTROLLER_BUTTON_MAX+3; /* Not supported by GameController */
+ break;
+
+ /* D-Pad key codes (API 1) */
+ case AKEYCODE_DPAD_UP:
+ button = SDL_CONTROLLER_BUTTON_DPAD_UP;
+ break;
+ case AKEYCODE_DPAD_DOWN:
+ button = SDL_CONTROLLER_BUTTON_DPAD_DOWN;
+ break;
+ case AKEYCODE_DPAD_LEFT:
+ button = SDL_CONTROLLER_BUTTON_DPAD_LEFT;
+ break;
+ case AKEYCODE_DPAD_RIGHT:
+ button = SDL_CONTROLLER_BUTTON_DPAD_RIGHT;
+ break;
+ case AKEYCODE_DPAD_CENTER:
+ button = SDL_CONTROLLER_BUTTON_MAX+4; /* Not supported by GameController */
+ break;
+
+ /* More gamepad buttons (API 12), these get mapped to 20...35*/
+ case AKEYCODE_BUTTON_1:
+ case AKEYCODE_BUTTON_2:
+ case AKEYCODE_BUTTON_3:
+ case AKEYCODE_BUTTON_4:
+ case AKEYCODE_BUTTON_5:
+ case AKEYCODE_BUTTON_6:
+ case AKEYCODE_BUTTON_7:
+ case AKEYCODE_BUTTON_8:
+ case AKEYCODE_BUTTON_9:
+ case AKEYCODE_BUTTON_10:
+ case AKEYCODE_BUTTON_11:
+ case AKEYCODE_BUTTON_12:
+ case AKEYCODE_BUTTON_13:
+ case AKEYCODE_BUTTON_14:
+ case AKEYCODE_BUTTON_15:
+ case AKEYCODE_BUTTON_16:
+ button = keycode - AKEYCODE_BUTTON_1 + SDL_CONTROLLER_BUTTON_MAX + 5;
+ break;
+
+ default:
+ return -1;
+ break;
+ }
+
+ /* This is here in case future generations, probably with six fingers per hand,
+ * happily add new cases up above and forget to update the max number of buttons.
+ */
+ SDL_assert(button < ANDROID_MAX_NBUTTONS);
+ return button;
+
+}
+
+int
+Android_OnPadDown(int device_id, int keycode)
+{
+ SDL_joylist_item *item;
+ int button = keycode_to_SDL(keycode);
+ if (button >= 0) {
+ item = JoystickByDeviceId(device_id);
+ if (item && item->joystick) {
+ SDL_PrivateJoystickButton(item->joystick, button , SDL_PRESSED);
+ return 0;
+ }
+ }
+
+ return -1;
+}
+
+int
+Android_OnPadUp(int device_id, int keycode)
+{
+ SDL_joylist_item *item;
+ int button = keycode_to_SDL(keycode);
+ if (button >= 0) {
+ item = JoystickByDeviceId(device_id);
+ if (item && item->joystick) {
+ SDL_PrivateJoystickButton(item->joystick, button, SDL_RELEASED);
+ return 0;
+ }
+ }
+
+ return -1;
+}
+
+int
+Android_OnJoy(int device_id, int axis, float value)
+{
+ /* Android gives joy info normalized as [-1.0, 1.0] or [0.0, 1.0] */
+ SDL_joylist_item *item = JoystickByDeviceId(device_id);
+ if (item && item->joystick) {
+ SDL_PrivateJoystickAxis(item->joystick, axis, (Sint16) (32767.*value) );
+ }
+
+ return 0;
+}
+
+int
+Android_OnHat(int device_id, int hat_id, int x, int y)
+{
+ const Uint8 position_map[3][3] = {
+ {SDL_HAT_LEFTUP, SDL_HAT_UP, SDL_HAT_RIGHTUP},
+ {SDL_HAT_LEFT, SDL_HAT_CENTERED, SDL_HAT_RIGHT},
+ {SDL_HAT_LEFTDOWN, SDL_HAT_DOWN, SDL_HAT_RIGHTDOWN}
+ };
+
+ if (x >= -1 && x <=1 && y >= -1 && y <= 1) {
+ SDL_joylist_item *item = JoystickByDeviceId(device_id);
+ if (item && item->joystick) {
+ SDL_PrivateJoystickHat(item->joystick, hat_id, position_map[y+1][x+1] );
+ }
+ return 0;
+ }
+
+ return -1;
+}
+
+
+int
+Android_AddJoystick(int device_id, const char *name, SDL_bool is_accelerometer, int nbuttons, int naxes, int nhats, int nballs)
+{
+ SDL_JoystickGUID guid;
+ SDL_joylist_item *item;
+#if !SDL_EVENTS_DISABLED
+ SDL_Event event;
+#endif
+
+ if(JoystickByDeviceId(device_id) != NULL || name == NULL) {
+ return -1;
+ }
+
+ /* the GUID is just the first 16 chars of the name for now */
+ SDL_zero( guid );
+ SDL_memcpy( &guid, name, SDL_min( sizeof(guid), SDL_strlen( name ) ) );
+
+ item = (SDL_joylist_item *) SDL_malloc(sizeof (SDL_joylist_item));
+ if (item == NULL) {
+ return -1;
+ }
+
+ SDL_zerop(item);
+ item->guid = guid;
+ item->device_id = device_id;
+ item->name = SDL_strdup(name);
+ if ( item->name == NULL ) {
+ SDL_free(item);
+ return -1;
+ }
+
+ item->is_accelerometer = is_accelerometer;
+ if (nbuttons > -1) {
+ item->nbuttons = nbuttons;
+ }
+ else {
+ item->nbuttons = ANDROID_MAX_NBUTTONS;
+ }
+ item->naxes = naxes;
+ item->nhats = nhats;
+ item->nballs = nballs;
+ item->device_instance = instance_counter++;
+ if (SDL_joylist_tail == NULL) {
+ SDL_joylist = SDL_joylist_tail = item;
+ } else {
+ SDL_joylist_tail->next = item;
+ SDL_joylist_tail = item;
+ }
+
+ /* Need to increment the joystick count before we post the event */
+ ++numjoysticks;
+
+#if !SDL_EVENTS_DISABLED
+ event.type = SDL_JOYDEVICEADDED;
+
+ if (SDL_GetEventState(event.type) == SDL_ENABLE) {
+ event.jdevice.which = (numjoysticks - 1);
+ if ( (SDL_EventOK == NULL) ||
+ (*SDL_EventOK) (SDL_EventOKParam, &event) ) {
+ SDL_PushEvent(&event);
+ }
+ }
+#endif /* !SDL_EVENTS_DISABLED */
+
+#ifdef DEBUG_JOYSTICK
+ SDL_Log("Added joystick %s with device_id %d", name, device_id);
+#endif
+
+ return numjoysticks;
+}
+
+int
+Android_RemoveJoystick(int device_id)
+{
+ SDL_joylist_item *item = SDL_joylist;
+ SDL_joylist_item *prev = NULL;
+#if !SDL_EVENTS_DISABLED
+ SDL_Event event;
+#endif
+
+ /* Don't call JoystickByDeviceId here or there'll be an infinite loop! */
+ while (item != NULL) {
+ if (item->device_id == device_id) {
+ break;
+ }
+ prev = item;
+ item = item->next;
+ }
+
+ if (item == NULL) {
+ return -1;
+ }
+
+ const int retval = item->device_instance;
+ if (item->joystick) {
+ item->joystick->hwdata = NULL;
+ }
+
+ if (prev != NULL) {
+ prev->next = item->next;
+ } else {
+ SDL_assert(SDL_joylist == item);
+ SDL_joylist = item->next;
+ }
+ if (item == SDL_joylist_tail) {
+ SDL_joylist_tail = prev;
+ }
+
+ /* Need to decrement the joystick count before we post the event */
+ --numjoysticks;
+
+#if !SDL_EVENTS_DISABLED
+ event.type = SDL_JOYDEVICEREMOVED;
+
+ if (SDL_GetEventState(event.type) == SDL_ENABLE) {
+ event.jdevice.which = item->device_instance;
+ if ( (SDL_EventOK == NULL) ||
+ (*SDL_EventOK) (SDL_EventOKParam, &event) ) {
+ SDL_PushEvent(&event);
+ }
+ }
+#endif /* !SDL_EVENTS_DISABLED */
+
+#ifdef DEBUG_JOYSTICK
+ SDL_Log("Removed joystick with device_id %d", device_id);
+#endif
+
+ SDL_free(item->name);
+ SDL_free(item);
+ return retval;
+}
+
+
+int
+SDL_SYS_JoystickInit(void)
+{
+ const char *hint;
+ SDL_SYS_JoystickDetect();
+
+ hint = SDL_GetHint(SDL_HINT_ACCELEROMETER_AS_JOYSTICK);
+ if (!hint || SDL_atoi(hint)) {
+ /* Default behavior, accelerometer as joystick */
+ Android_AddJoystick(ANDROID_ACCELEROMETER_DEVICE_ID, ANDROID_ACCELEROMETER_NAME, SDL_TRUE, 0, 3, 0, 0);
+ }
+
+ return (numjoysticks);
+
+}
+
+int SDL_SYS_NumJoysticks()
+{
+ return numjoysticks;
+}
+
+void SDL_SYS_JoystickDetect()
+{
+ /* 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_PollInputDevices();
+ }
+}
+
+static SDL_joylist_item *
+JoystickByDevIndex(int device_index)
+{
+ SDL_joylist_item *item = SDL_joylist;
+
+ if ((device_index < 0) || (device_index >= numjoysticks)) {
+ return NULL;
+ }
+
+ while (device_index > 0) {
+ SDL_assert(item != NULL);
+ device_index--;
+ item = item->next;
+ }
+
+ return item;
+}
+
+static SDL_joylist_item *
+JoystickByDeviceId(int device_id)
+{
+ SDL_joylist_item *item = SDL_joylist;
+
+ while (item != NULL) {
+ if (item->device_id == device_id) {
+ return item;
+ }
+ item = item->next;
+ }
+
+ /* Joystick not found, try adding it */
+ SDL_SYS_JoystickDetect();
+
+ while (item != NULL) {
+ if (item->device_id == device_id) {
+ return item;
+ }
+ item = item->next;
+ }
+
+ return NULL;
+}
+
+/* Function to get the device-dependent name of a joystick */
+const char *
+SDL_SYS_JoystickNameForDeviceIndex(int device_index)
+{
+ return JoystickByDevIndex(device_index)->name;
+}
+
+/* Function to perform the mapping from device index to the instance id for this index */
+SDL_JoystickID SDL_SYS_GetInstanceIdOfDeviceIndex(int device_index)
+{
+ return JoystickByDevIndex(device_index)->device_instance;
+}
+
+/* Function to open a joystick for use.
+ The joystick to open is specified by the device index.
+ This should fill the nbuttons and naxes fields of the joystick structure.
+ It returns 0, or -1 if there is an error.
+ */
+int
+SDL_SYS_JoystickOpen(SDL_Joystick * joystick, int device_index)
+{
+ SDL_joylist_item *item = JoystickByDevIndex(device_index);
+
+ if (item == NULL ) {
+ return SDL_SetError("No such device");
+ }
+
+ if (item->joystick != NULL) {
+ return SDL_SetError("Joystick already opened");
+ }
+
+ joystick->instance_id = item->device_instance;
+ joystick->hwdata = (struct joystick_hwdata *) item;
+ item->joystick = joystick;
+ joystick->nhats = item->nhats;
+ joystick->nballs = item->nballs;
+ joystick->nbuttons = item->nbuttons;
+ joystick->naxes = item->naxes;
+
+ return (0);
+}
+
+/* Function to determine if this joystick is attached to the system right now */
+SDL_bool SDL_SYS_JoystickAttached(SDL_Joystick *joystick)
+{
+ return joystick->hwdata != NULL;
+}
+
+void
+SDL_SYS_JoystickUpdate(SDL_Joystick * joystick)
+{
+ int i;
+ Sint16 value;
+ float values[3];
+ SDL_joylist_item *item = SDL_joylist;
+
+ while (item) {
+ if (item->is_accelerometer) {
+ if (item->joystick) {
+ if (Android_JNI_GetAccelerometerValues(values)) {
+ for ( i = 0; i < 3; i++ ) {
+ if (values[i] > 1.0f) {
+ values[i] = 1.0f;
+ } else if (values[i] < -1.0f) {
+ values[i] = -1.0f;
+ }
+
+ value = (Sint16)(values[i] * 32767.0f);
+ SDL_PrivateJoystickAxis(item->joystick, i, value);
+ }
+ }
+ }
+ break;
+ }
+ item = item->next;
+ }
+}
+
+/* Function to close a joystick after use */
+void
+SDL_SYS_JoystickClose(SDL_Joystick * joystick)
+{
+}
+
+/* Function to perform any system-specific joystick related cleanup */
+void
+SDL_SYS_JoystickQuit(void)
+{
+ SDL_joylist_item *item = NULL;
+ SDL_joylist_item *next = NULL;
+
+ for (item = SDL_joylist; item; item = next) {
+ next = item->next;
+ SDL_free(item->name);
+ SDL_free(item);
+ }
+
+ SDL_joylist = SDL_joylist_tail = NULL;
+
+ numjoysticks = 0;
+ instance_counter = 0;
+}
+
+SDL_JoystickGUID SDL_SYS_JoystickGetDeviceGUID( int device_index )
+{
+ return JoystickByDevIndex(device_index)->guid;
+}
+
+SDL_JoystickGUID SDL_SYS_JoystickGetGUID(SDL_Joystick * joystick)
+{
+ SDL_JoystickGUID guid;
+
+ if (joystick->hwdata != NULL) {
+ return ((SDL_joylist_item*)joystick->hwdata)->guid;
+ }
+
+ SDL_zero(guid);
+ return guid;
+}
+
+#endif /* SDL_JOYSTICK_ANDROID */
+
+/* vi: set ts=4 sw=4 expandtab: */