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Diffstat (limited to '3rdparty/SDL2/src/joystick/emscripten/SDL_sysjoystick.c')
-rw-r--r--3rdparty/SDL2/src/joystick/emscripten/SDL_sysjoystick.c402
1 files changed, 0 insertions, 402 deletions
diff --git a/3rdparty/SDL2/src/joystick/emscripten/SDL_sysjoystick.c b/3rdparty/SDL2/src/joystick/emscripten/SDL_sysjoystick.c
deleted file mode 100644
index 6b203667aca..00000000000
--- a/3rdparty/SDL2/src/joystick/emscripten/SDL_sysjoystick.c
+++ /dev/null
@@ -1,402 +0,0 @@
-/*
- 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_EMSCRIPTEN
-
-#include <stdio.h> /* For the definition of NULL */
-#include "SDL_error.h"
-#include "SDL_events.h"
-
-#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"
-
-static SDL_joylist_item * JoystickByIndex(int index);
-
-static SDL_joylist_item *SDL_joylist = NULL;
-static SDL_joylist_item *SDL_joylist_tail = NULL;
-static int numjoysticks = 0;
-static int instance_counter = 0;
-
-EM_BOOL
-Emscripten_JoyStickConnected(int eventType, const EmscriptenGamepadEvent *gamepadEvent, void *userData)
-{
- int i;
-
- SDL_joylist_item *item;
-
- if (JoystickByIndex(gamepadEvent->index) != NULL) {
- return 1;
- }
-
- item = (SDL_joylist_item *) SDL_malloc(sizeof (SDL_joylist_item));
- if (item == NULL) {
- return 1;
- }
-
- SDL_zerop(item);
- item->index = gamepadEvent->index;
-
- item->name = SDL_strdup(gamepadEvent->id);
- if ( item->name == NULL ) {
- SDL_free(item);
- return 1;
- }
-
- item->mapping = SDL_strdup(gamepadEvent->mapping);
- if ( item->mapping == NULL ) {
- SDL_free(item->name);
- SDL_free(item);
- return 1;
- }
-
- item->naxes = gamepadEvent->numAxes;
- item->nbuttons = gamepadEvent->numButtons;
- item->device_instance = instance_counter++;
-
- item->timestamp = gamepadEvent->timestamp;
-
- for( i = 0; i < item->naxes; i++) {
- item->axis[i] = gamepadEvent->axis[i];
- }
-
- for( i = 0; i < item->nbuttons; i++) {
- item->analogButton[i] = gamepadEvent->analogButton[i];
- item->digitalButton[i] = gamepadEvent->digitalButton[i];
- }
-
- if (SDL_joylist_tail == NULL) {
- SDL_joylist = SDL_joylist_tail = item;
- } else {
- SDL_joylist_tail->next = item;
- SDL_joylist_tail = item;
- }
-
- ++numjoysticks;
-
- SDL_PrivateJoystickAdded(numjoysticks - 1);
-
-#ifdef DEBUG_JOYSTICK
- SDL_Log("Number of joysticks is %d", numjoysticks);
-#endif
-
-#ifdef DEBUG_JOYSTICK
- SDL_Log("Added joystick with index %d", item->index);
-#endif
-
- return 1;
-}
-
-EM_BOOL
-Emscripten_JoyStickDisconnected(int eventType, const EmscriptenGamepadEvent *gamepadEvent, void *userData)
-{
- SDL_joylist_item *item = SDL_joylist;
- SDL_joylist_item *prev = NULL;
-
- while (item != NULL) {
- if (item->index == gamepadEvent->index) {
- break;
- }
- prev = item;
- item = item->next;
- }
-
- if (item == NULL) {
- return 1;
- }
-
- 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;
-
- SDL_PrivateJoystickRemoved(item->device_instance);
-
-#ifdef DEBUG_JOYSTICK
- SDL_Log("Removed joystick with id %d", item->device_instance);
-#endif
- SDL_free(item->name);
- SDL_free(item->mapping);
- SDL_free(item);
- return 1;
-}
-
-/* Function to scan the system for joysticks.
- * It should return 0, or -1 on an unrecoverable fatal error.
- */
-int
-SDL_SYS_JoystickInit(void)
-{
- int retval, i, numjs;
- EmscriptenGamepadEvent gamepadState;
-
- numjoysticks = 0;
- numjs = emscripten_get_num_gamepads();
-
- /* Check if gamepad is supported by browser */
- if (numjs == EMSCRIPTEN_RESULT_NOT_SUPPORTED) {
- return SDL_SetError("Gamepads not supported");
- }
-
- /* handle already connected gamepads */
- if (numjs > 0) {
- for(i = 0; i < numjs; i++) {
- retval = emscripten_get_gamepad_status(i, &gamepadState);
- if (retval == EMSCRIPTEN_RESULT_SUCCESS) {
- Emscripten_JoyStickConnected(EMSCRIPTEN_EVENT_GAMEPADCONNECTED,
- &gamepadState,
- NULL);
- }
- }
- }
-
- retval = emscripten_set_gamepadconnected_callback(NULL,
- 0,
- Emscripten_JoyStickConnected);
-
- if(retval != EMSCRIPTEN_RESULT_SUCCESS) {
- SDL_SYS_JoystickQuit();
- return SDL_SetError("Could not set gamepad connect callback");
- }
-
- retval = emscripten_set_gamepaddisconnected_callback(NULL,
- 0,
- Emscripten_JoyStickDisconnected);
- if(retval != EMSCRIPTEN_RESULT_SUCCESS) {
- SDL_SYS_JoystickQuit();
- return SDL_SetError("Could not set gamepad disconnect callback");
- }
-
- return 0;
-}
-
-/* Returns item matching given SDL device index. */
-static SDL_joylist_item *
-JoystickByDeviceIndex(int device_index)
-{
- SDL_joylist_item *item = SDL_joylist;
-
- while (0 < device_index) {
- --device_index;
- item = item->next;
- }
-
- return item;
-}
-
-/* Returns item matching given HTML gamepad index. */
-static SDL_joylist_item *
-JoystickByIndex(int index)
-{
- SDL_joylist_item *item = SDL_joylist;
-
- if (index < 0) {
- return NULL;
- }
-
- while (item != NULL) {
- if (item->index == index) {
- break;
- }
- item = item->next;
- }
-
- return item;
-}
-
-int SDL_SYS_NumJoysticks()
-{
- return numjoysticks;
-}
-
-void SDL_SYS_JoystickDetect()
-{
-}
-
-/* Function to get the device-dependent name of a joystick */
-const char *
-SDL_SYS_JoystickNameForDeviceIndex(int device_index)
-{
- return JoystickByDeviceIndex(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 JoystickByDeviceIndex(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 = JoystickByDeviceIndex(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;
-
- /* HTML5 Gamepad API doesn't say anything about these */
- joystick->nhats = 0;
- joystick->nballs = 0;
-
- 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;
-}
-
-/* Function to update the state of a joystick - called as a device poll.
- * This function shouldn't update the joystick structure directly,
- * but instead should call SDL_PrivateJoystick*() to deliver events
- * and update joystick device state.
- */
-void
-SDL_SYS_JoystickUpdate(SDL_Joystick * joystick)
-{
- EmscriptenGamepadEvent gamepadState;
- SDL_joylist_item *item = (SDL_joylist_item *) joystick->hwdata;
- int i, result, buttonState;
-
- if (item) {
- result = emscripten_get_gamepad_status(item->index, &gamepadState);
- if( result == EMSCRIPTEN_RESULT_SUCCESS) {
- if(gamepadState.timestamp == 0 || gamepadState.timestamp != item->timestamp) {
- for(i = 0; i < item->nbuttons; i++) {
- if(item->digitalButton[i] != gamepadState.digitalButton[i]) {
- buttonState = gamepadState.digitalButton[i]? SDL_PRESSED: SDL_RELEASED;
- SDL_PrivateJoystickButton(item->joystick, i, buttonState);
- }
-
- /* store values to compare them in the next update */
- item->analogButton[i] = gamepadState.analogButton[i];
- item->digitalButton[i] = gamepadState.digitalButton[i];
- }
-
- for(i = 0; i < item->naxes; i++) {
- if(item->axis[i] != gamepadState.axis[i]) {
- // do we need to do conversion?
- SDL_PrivateJoystickAxis(item->joystick, i,
- (Sint16) (32767.*gamepadState.axis[i]));
- }
-
- /* store to compare in next update */
- item->axis[i] = gamepadState.axis[i];
- }
-
- item->timestamp = gamepadState.timestamp;
- }
- }
- }
-}
-
-/* Function to close a joystick after use */
-void
-SDL_SYS_JoystickClose(SDL_Joystick * joystick)
-{
- SDL_joylist_item *item = (SDL_joylist_item *) joystick->hwdata;
- if (item) {
- item->joystick = NULL;
- }
-}
-
-/* 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->mapping);
- SDL_free(item->name);
- SDL_free(item);
- }
-
- SDL_joylist = SDL_joylist_tail = NULL;
-
- numjoysticks = 0;
- instance_counter = 0;
-
- emscripten_set_gamepadconnected_callback(NULL, 0, NULL);
- emscripten_set_gamepaddisconnected_callback(NULL, 0, NULL);
-}
-
-SDL_JoystickGUID
-SDL_SYS_JoystickGetDeviceGUID(int device_index)
-{
- SDL_JoystickGUID guid;
- /* the GUID is just the first 16 chars of the name for now */
- const char *name = SDL_SYS_JoystickNameForDeviceIndex(device_index);
- SDL_zero(guid);
- SDL_memcpy(&guid, name, SDL_min(sizeof(guid), SDL_strlen(name)));
- return guid;
-}
-
-SDL_JoystickGUID
-SDL_SYS_JoystickGetGUID(SDL_Joystick * joystick)
-{
- SDL_JoystickGUID guid;
- /* the GUID is just the first 16 chars of the name for now */
- const char *name = joystick->name;
- SDL_zero(guid);
- SDL_memcpy(&guid, name, SDL_min(sizeof(guid), SDL_strlen(name)));
- return guid;
-}
-
-#endif /* SDL_JOYSTICK_EMSCRIPTEN */