/*
Simple DirectMedia Layer
- Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
+ Copyright (C) 1997-2019 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
* Include file for SDL game controller event handling
*/
-#ifndef _SDL_gamecontroller_h
-#define _SDL_gamecontroller_h
+#ifndef SDL_gamecontroller_h_
+#define SDL_gamecontroller_h_
#include "SDL_stdinc.h"
#include "SDL_error.h"
* SDL_Init(): SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS
*/
-/* The gamecontroller structure used to identify an SDL game controller */
+/**
+ * The gamecontroller structure used to identify an SDL game controller
+ */
struct _SDL_GameController;
typedef struct _SDL_GameController SDL_GameController;
* To count the number of game controllers in the system for the following:
* int nJoysticks = SDL_NumJoysticks();
* int nGameControllers = 0;
- * for ( int i = 0; i < nJoysticks; i++ ) {
- * if ( SDL_IsGameController(i) ) {
+ * for (int i = 0; i < nJoysticks; i++) {
+ * if (SDL_IsGameController(i)) {
* nGameControllers++;
* }
* }
* Buttons can be used as a controller axis and vice versa.
*
* This string shows an example of a valid mapping for a controller
- * "341a3608000000000000504944564944,Afterglow PS3 Controller,a:b1,b:b2,y:b3,x:b0,start:b9,guide:b12,back:b8,dpup:h0.1,dpleft:h0.8,dpdown:h0.4,dpright:h0.2,leftshoulder:b4,rightshoulder:b5,leftstick:b10,rightstick:b11,leftx:a0,lefty:a1,rightx:a2,righty:a3,lefttrigger:b6,righttrigger:b7",
+ * "03000000341a00003608000000000000,PS3 Controller,a:b1,b:b2,y:b3,x:b0,start:b9,guide:b12,back:b8,dpup:h0.1,dpleft:h0.8,dpdown:h0.4,dpright:h0.2,leftshoulder:b4,rightshoulder:b5,leftstick:b10,rightstick:b11,leftx:a0,lefty:a1,rightx:a2,righty:a3,lefttrigger:b6,righttrigger:b7",
*
*/
*
* \return number of mappings added, -1 on error
*/
-extern DECLSPEC int SDLCALL SDL_GameControllerAddMappingsFromRW( SDL_RWops * rw, int freerw );
+extern DECLSPEC int SDLCALL SDL_GameControllerAddMappingsFromRW(SDL_RWops * rw, int freerw);
/**
* Load a set of mappings from a file, filtered by the current SDL_GetPlatform()
*
* \return 1 if mapping is added, 0 if updated, -1 on error
*/
-extern DECLSPEC int SDLCALL SDL_GameControllerAddMapping( const char* mappingString );
+extern DECLSPEC int SDLCALL SDL_GameControllerAddMapping(const char* mappingString);
+
+/**
+ * Get the number of mappings installed
+ *
+ * \return the number of mappings
+ */
+extern DECLSPEC int SDLCALL SDL_GameControllerNumMappings(void);
+
+/**
+ * Get the mapping at a particular index.
+ *
+ * \return the mapping string. Must be freed with SDL_free(). Returns NULL if the index is out of range.
+ */
+extern DECLSPEC char * SDLCALL SDL_GameControllerMappingForIndex(int mapping_index);
/**
* Get a mapping string for a GUID
*
* \return the mapping string. Must be freed with SDL_free(). Returns NULL if no mapping is available
*/
-extern DECLSPEC char * SDLCALL SDL_GameControllerMappingForGUID( SDL_JoystickGUID guid );
+extern DECLSPEC char * SDLCALL SDL_GameControllerMappingForGUID(SDL_JoystickGUID guid);
/**
* Get a mapping string for an open GameController
*
* \return the mapping string. Must be freed with SDL_free(). Returns NULL if no mapping is available
*/
-extern DECLSPEC char * SDLCALL SDL_GameControllerMapping( SDL_GameController * gamecontroller );
+extern DECLSPEC char * SDLCALL SDL_GameControllerMapping(SDL_GameController * gamecontroller);
/**
* Is the joystick on this index supported by the game controller interface?
*/
extern DECLSPEC SDL_bool SDLCALL SDL_IsGameController(int joystick_index);
-
/**
* Get the implementation dependent name of a game controller.
* This can be called before any controllers are opened.
*/
extern DECLSPEC const char *SDLCALL SDL_GameControllerNameForIndex(int joystick_index);
+/**
+ * Get the mapping of a game controller.
+ * This can be called before any controllers are opened.
+ *
+ * \return the mapping string. Must be freed with SDL_free(). Returns NULL if no mapping is available
+ */
+extern DECLSPEC char *SDLCALL SDL_GameControllerMappingForDeviceIndex(int joystick_index);
+
/**
* Open a game controller for use.
* The index passed as an argument refers to the N'th game controller on the system.
*/
extern DECLSPEC const char *SDLCALL SDL_GameControllerName(SDL_GameController *gamecontroller);
+/**
+ * Get the player index of an opened game controller, or -1 if it's not available
+ *
+ * For XInput controllers this returns the XInput user index.
+ */
+extern DECLSPEC int SDLCALL SDL_GameControllerGetPlayerIndex(SDL_GameController *gamecontroller);
+
+/**
+ * Get the USB vendor ID of an opened controller, if available.
+ * If the vendor ID isn't available this function returns 0.
+ */
+extern DECLSPEC Uint16 SDLCALL SDL_GameControllerGetVendor(SDL_GameController * gamecontroller);
+
+/**
+ * Get the USB product ID of an opened controller, if available.
+ * If the product ID isn't available this function returns 0.
+ */
+extern DECLSPEC Uint16 SDLCALL SDL_GameControllerGetProduct(SDL_GameController * gamecontroller);
+
+/**
+ * Get the product version of an opened controller, if available.
+ * If the product version isn't available this function returns 0.
+ */
+extern DECLSPEC Uint16 SDLCALL SDL_GameControllerGetProductVersion(SDL_GameController * gamecontroller);
+
/**
* Returns SDL_TRUE if the controller has been opened and currently connected,
* or SDL_FALSE if it has not.
/**
* The list of axes available from a controller
+ *
+ * Thumbstick axis values range from SDL_JOYSTICK_AXIS_MIN to SDL_JOYSTICK_AXIS_MAX,
+ * and are centered within ~8000 of zero, though advanced UI will allow users to set
+ * or autodetect the dead zone, which varies between controllers.
+ *
+ * Trigger axis values range from 0 to SDL_JOYSTICK_AXIS_MAX.
*/
typedef enum
{
extern DECLSPEC Uint8 SDLCALL SDL_GameControllerGetButton(SDL_GameController *gamecontroller,
SDL_GameControllerButton button);
+/**
+ * Trigger a rumble effect
+ * Each call to this function cancels any previous rumble effect, and calling it with 0 intensity stops any rumbling.
+ *
+ * \param gamecontroller The controller to vibrate
+ * \param low_frequency_rumble The intensity of the low frequency (left) rumble motor, from 0 to 0xFFFF
+ * \param high_frequency_rumble The intensity of the high frequency (right) rumble motor, from 0 to 0xFFFF
+ * \param duration_ms The duration of the rumble effect, in milliseconds
+ *
+ * \return 0, or -1 if rumble isn't supported on this joystick
+ */
+extern DECLSPEC int SDLCALL SDL_GameControllerRumble(SDL_GameController *gamecontroller, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms);
+
/**
* Close a controller previously opened with SDL_GameControllerOpen().
*/
#endif
#include "close_code.h"
-#endif /* _SDL_gamecontroller_h */
+#endif /* SDL_gamecontroller_h_ */
/* vi: set ts=4 sw=4 expandtab: */