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Try to dynamically create a default Android game controller mapping based on the buttons and axes on the controller. 

Include the controller USB VID/PID in the GUID where possible, as we do on other platforms.
This commit is contained in:
Sam Lantinga 2018-03-06 14:51:50 -08:00
parent 2419d26724
commit 9e651b6915
8 changed files with 404 additions and 81 deletions
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133
android-project/app/src/main/java/org/libsdl/app/SDLControllerManager.java
View File

@ -17,7 +17,8 @@ public class SDLControllerManager
public static native int nativeSetupJNI();
public static native int nativeAddJoystick(int device_id, String name, String desc,
int is_accelerometer, int nbuttons,
int vendor_id, int product_id,
boolean is_accelerometer, int button_mask,
int naxes, int nhats, int nballs);
public static native int nativeRemoveJoystick(int device_id);
public static native int nativeAddHaptic(int device_id, String name);
@ -42,7 +43,9 @@ public class SDLControllerManager
}
public static void setup() {
if (Build.VERSION.SDK_INT >= 16) {
if (Build.VERSION.SDK_INT >= 19) {
mJoystickHandler = new SDLJoystickHandler_API19();
} else if (Build.VERSION.SDK_INT >= 16) {
mJoystickHandler = new SDLJoystickHandler_API16();
} else if (Build.VERSION.SDK_INT >= 12) {
mJoystickHandler = new SDLJoystickHandler_API12();
@ -155,12 +158,7 @@ class SDLJoystickHandler_API12 extends SDLJoystickHandler {
@Override
public void pollInputDevices() {
int[] deviceIds = InputDevice.getDeviceIds();
// It helps processing the device ids in reverse order
// For example, in the case of the XBox 360 wireless dongle,
// so the first controller seen by SDL matches what the receiver
// considers to be the first controller
for(int i=deviceIds.length-1; i>-1; i--) {
for(int i=0; i < deviceIds.length; ++i) {
SDLJoystick joystick = getJoystick(deviceIds[i]);
if (joystick == null) {
joystick = new SDLJoystick();
@ -187,8 +185,7 @@ class SDLJoystickHandler_API12 extends SDLJoystickHandler {
}
mJoysticks.add(joystick);
SDLControllerManager.nativeAddJoystick(joystick.device_id, joystick.name, joystick.desc, 0, -1,
joystick.axes.size(), joystick.hats.size()/2, 0);
SDLControllerManager.nativeAddJoystick(joystick.device_id, joystick.name, joystick.desc, getVendorId(joystickDevice), getProductId(joystickDevice), false, getButtonMask(joystickDevice), joystick.axes.size(), joystick.hats.size()/2, 0);
}
}
}
@ -259,9 +256,17 @@ class SDLJoystickHandler_API12 extends SDLJoystickHandler {
public String getJoystickDescriptor(InputDevice joystickDevice) {
return joystickDevice.getName();
}
public int getProductId(InputDevice joystickDevice) {
return 0;
}
public int getVendorId(InputDevice joystickDevice) {
return 0;
}
public int getButtonMask(InputDevice joystickDevice) {
return -1;
}
}
class SDLJoystickHandler_API16 extends SDLJoystickHandler_API12 {
@Override
@ -276,6 +281,112 @@ class SDLJoystickHandler_API16 extends SDLJoystickHandler_API12 {
}
}
class SDLJoystickHandler_API19 extends SDLJoystickHandler_API16 {
@Override
public int getProductId(InputDevice joystickDevice) {
return joystickDevice.getProductId();
}
@Override
public int getVendorId(InputDevice joystickDevice) {
return joystickDevice.getVendorId();
}
@Override
public int getButtonMask(InputDevice joystickDevice) {
int button_mask = 0;
int[] keys = new int[] {
KeyEvent.KEYCODE_BUTTON_A,
KeyEvent.KEYCODE_BUTTON_B,
KeyEvent.KEYCODE_BUTTON_X,
KeyEvent.KEYCODE_BUTTON_Y,
KeyEvent.KEYCODE_BACK,
KeyEvent.KEYCODE_BUTTON_MODE,
KeyEvent.KEYCODE_BUTTON_START,
KeyEvent.KEYCODE_BUTTON_THUMBL,
KeyEvent.KEYCODE_BUTTON_THUMBR,
KeyEvent.KEYCODE_BUTTON_L1,
KeyEvent.KEYCODE_BUTTON_R1,
KeyEvent.KEYCODE_DPAD_UP,
KeyEvent.KEYCODE_DPAD_DOWN,
KeyEvent.KEYCODE_DPAD_LEFT,
KeyEvent.KEYCODE_DPAD_RIGHT,
KeyEvent.KEYCODE_BUTTON_SELECT,
KeyEvent.KEYCODE_DPAD_CENTER,
// These don't map into any SDL controller buttons directly
KeyEvent.KEYCODE_BUTTON_L2,
KeyEvent.KEYCODE_BUTTON_R2,
KeyEvent.KEYCODE_BUTTON_C,
KeyEvent.KEYCODE_BUTTON_Z,
KeyEvent.KEYCODE_BUTTON_1,
KeyEvent.KEYCODE_BUTTON_2,
KeyEvent.KEYCODE_BUTTON_3,
KeyEvent.KEYCODE_BUTTON_4,
KeyEvent.KEYCODE_BUTTON_5,
KeyEvent.KEYCODE_BUTTON_6,
KeyEvent.KEYCODE_BUTTON_7,
KeyEvent.KEYCODE_BUTTON_8,
KeyEvent.KEYCODE_BUTTON_9,
KeyEvent.KEYCODE_BUTTON_10,
KeyEvent.KEYCODE_BUTTON_11,
KeyEvent.KEYCODE_BUTTON_12,
KeyEvent.KEYCODE_BUTTON_13,
KeyEvent.KEYCODE_BUTTON_14,
KeyEvent.KEYCODE_BUTTON_15,
KeyEvent.KEYCODE_BUTTON_16,
};
int[] masks = new int[] {
(1 << 0), // A -> A
(1 << 1), // B -> B
(1 << 2), // X -> X
(1 << 3), // Y -> Y
(1 << 4), // BACK -> BACK
(1 << 5), // MODE -> GUIDE
(1 << 6), // START -> START
(1 << 7), // THUMBL -> LEFTSTICK
(1 << 8), // THUMBR -> RIGHTSTICK
(1 << 9), // L1 -> LEFTSHOULDER
(1 << 10), // R1 -> RIGHTSHOULDER
(1 << 11), // DPAD_UP -> DPAD_UP
(1 << 12), // DPAD_DOWN -> DPAD_DOWN
(1 << 13), // DPAD_LEFT -> DPAD_LEFT
(1 << 14), // DPAD_RIGHT -> DPAD_RIGHT
(1 << 4), // SELECT -> BACK
(1 << 0), // DPAD_CENTER -> A
(1 << 15), // L2 -> ??
(1 << 16), // R2 -> ??
(1 << 17), // C -> ??
(1 << 18), // Z -> ??
(1 << 20), // 1 -> ??
(1 << 21), // 2 -> ??
(1 << 22), // 3 -> ??
(1 << 23), // 4 -> ??
(1 << 24), // 5 -> ??
(1 << 25), // 6 -> ??
(1 << 26), // 7 -> ??
(1 << 27), // 8 -> ??
(1 << 28), // 9 -> ??
(1 << 29), // 10 -> ??
(1 << 30), // 11 -> ??
(1 << 31), // 12 -> ??
// We're out of room...
0xFFFFFFFF, // 13 -> ??
0xFFFFFFFF, // 14 -> ??
0xFFFFFFFF, // 15 -> ??
0xFFFFFFFF, // 16 -> ??
};
boolean[] has_keys = joystickDevice.hasKeys(keys);
for (int i = 0; i < keys.length; ++i) {
if (has_keys[i]) {
button_mask |= masks[i];
}
}
return button_mask;
}
}
class SDLHapticHandler {
class SDLHaptic {

11
src/core/android/SDL_android.c
View File

@ -169,8 +169,8 @@ JNIEXPORT void JNICALL SDL_JAVA_CONTROLLER_INTERFACE(onNativeHat)(
JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(nativeAddJoystick)(
JNIEnv* env, jclass jcls,
jint device_id, jstring device_name, jstring device_desc, jint is_accelerometer,
jint nbuttons, jint naxes, jint nhats, jint nballs);
jint device_id, jstring device_name, jstring device_desc, jint vendor_id, jint product_id,
jboolean is_accelerometer, jint button_mask, jint naxes, jint nhats, jint nballs);
JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(nativeRemoveJoystick)(
JNIEnv* env, jclass jcls,
@ -543,14 +543,15 @@ JNIEXPORT void JNICALL SDL_JAVA_CONTROLLER_INTERFACE(onNativeHat)(
JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(nativeAddJoystick)(
JNIEnv* env, jclass jcls,
jint device_id, jstring device_name, jstring device_desc, jint is_accelerometer,
jint nbuttons, jint naxes, jint nhats, jint nballs)
jint device_id, jstring device_name, jstring device_desc,
jint vendor_id, jint product_id, jboolean is_accelerometer,
jint button_mask, jint naxes, jint nhats, jint nballs)
{
int retval;
const char *name = (*env)->GetStringUTFChars(env, device_name, NULL);
const char *desc = (*env)->GetStringUTFChars(env, device_desc, NULL);
retval = Android_AddJoystick(device_id, name, desc, (SDL_bool) is_accelerometer, nbuttons, naxes, nhats, nballs);
retval = Android_AddJoystick(device_id, name, desc, vendor_id, product_id, is_accelerometer ? SDL_TRUE : SDL_FALSE, button_mask, naxes, nhats, nballs);
(*env)->ReleaseStringUTFChars(env, device_name, name);
(*env)->ReleaseStringUTFChars(env, device_desc, desc);

153
src/joystick/SDL_gamecontroller.c
View File

@ -97,8 +97,8 @@ typedef struct _ControllerMapping_t
static SDL_JoystickGUID s_zeroGUID;
static ControllerMapping_t *s_pSupportedControllers = NULL;
static ControllerMapping_t *s_pDefaultMapping = NULL;
static ControllerMapping_t *s_pXInputMapping = NULL;
static ControllerMapping_t *s_pEmscriptenMapping = NULL;
/* The SDL game controller structure */
struct _SDL_GameController
@ -869,6 +869,117 @@ SDL_PrivateAddMappingForGUID(SDL_JoystickGUID jGUID, const char *mappingString,
return pControllerMapping;
}
#ifdef __ANDROID__
/*
* Helper function to guess at a mapping based on the elements reported for this controller
*/
static ControllerMapping_t *SDL_CreateMappingForAndroidController(const char *name, SDL_JoystickGUID guid)
{
SDL_bool existing;
char name_string[128];
char mapping_string[1024];
int button_mask;
int axis_mask;
button_mask = SDL_SwapLE16(*(Uint16*)(&guid.data[sizeof(guid.data)-4]));
axis_mask = SDL_SwapLE16(*(Uint16*)(&guid.data[sizeof(guid.data)-2]));
if (!button_mask && !axis_mask) {
/* Accelerometer, shouldn't have a game controller mapping */
return NULL;
}
/* Remove any commas in the name */
SDL_strlcpy(name_string, name, sizeof(name_string));
{
char *spot;
for (spot = name_string; *spot; ++spot) {
if (*spot == ',') {
*spot = ' ';
}
}
}
SDL_snprintf(mapping_string, sizeof(mapping_string), "none,%s,", name_string);
if (button_mask & (1 << SDL_CONTROLLER_BUTTON_A)) {
SDL_strlcat(mapping_string, "a:b0,", sizeof(mapping_string));
}
if (button_mask & (1 << SDL_CONTROLLER_BUTTON_B)) {
SDL_strlcat(mapping_string, "b:b1,", sizeof(mapping_string));
} else if (button_mask & (1 << SDL_CONTROLLER_BUTTON_BACK)) {
/* Use the back button as "B" for easy UI navigation with TV remotes */
SDL_strlcat(mapping_string, "b:b4,", sizeof(mapping_string));
button_mask &= ~(1 << SDL_CONTROLLER_BUTTON_BACK);
}
if (button_mask & (1 << SDL_CONTROLLER_BUTTON_X)) {
SDL_strlcat(mapping_string, "x:b2,", sizeof(mapping_string));
}
if (button_mask & (1 << SDL_CONTROLLER_BUTTON_Y)) {
SDL_strlcat(mapping_string, "y:b3,", sizeof(mapping_string));
}
if (button_mask & (1 << SDL_CONTROLLER_BUTTON_BACK)) {
SDL_strlcat(mapping_string, "back:b4,", sizeof(mapping_string));
}
if (button_mask & (1 << SDL_CONTROLLER_BUTTON_GUIDE)) {
SDL_strlcat(mapping_string, "guide:b5,", sizeof(mapping_string));
#if 0 /* Actually this will be done in Steam */
} else if (button_mask & (1 << SDL_CONTROLLER_BUTTON_START)) {
/* The guide button doesn't exist, use the start button instead,
so you can do Steam guide button chords and open the Steam overlay.
*/
SDL_strlcat(mapping_string, "guide:b6,", sizeof(mapping_string));
button_mask &= ~(1 << SDL_CONTROLLER_BUTTON_START);
#endif
}
if (button_mask & (1 << SDL_CONTROLLER_BUTTON_START)) {
SDL_strlcat(mapping_string, "start:b6,", sizeof(mapping_string));
}
if (button_mask & (1 << SDL_CONTROLLER_BUTTON_LEFTSTICK)) {
SDL_strlcat(mapping_string, "leftstick:b7,", sizeof(mapping_string));
}
if (button_mask & (1 << SDL_CONTROLLER_BUTTON_RIGHTSTICK)) {
SDL_strlcat(mapping_string, "rightstick:b8,", sizeof(mapping_string));
}
if (button_mask & (1 << SDL_CONTROLLER_BUTTON_LEFTSHOULDER)) {
SDL_strlcat(mapping_string, "leftshoulder:b9,", sizeof(mapping_string));
}
if (button_mask & (1 << SDL_CONTROLLER_BUTTON_RIGHTSHOULDER)) {
SDL_strlcat(mapping_string, "rightshoulder:b10,", sizeof(mapping_string));
}
if (button_mask & (1 << SDL_CONTROLLER_BUTTON_DPAD_UP)) {
SDL_strlcat(mapping_string, "dpup:b11,", sizeof(mapping_string));
}
if (button_mask & (1 << SDL_CONTROLLER_BUTTON_DPAD_DOWN)) {
SDL_strlcat(mapping_string, "dpdown:b12,", sizeof(mapping_string));
}
if (button_mask & (1 << SDL_CONTROLLER_BUTTON_DPAD_LEFT)) {
SDL_strlcat(mapping_string, "dpleft:b13,", sizeof(mapping_string));
}
if (button_mask & (1 << SDL_CONTROLLER_BUTTON_DPAD_RIGHT)) {
SDL_strlcat(mapping_string, "dpright:b14,", sizeof(mapping_string));
}
if (axis_mask & (1 << SDL_CONTROLLER_AXIS_LEFTX)) {
SDL_strlcat(mapping_string, "leftx:a0,", sizeof(mapping_string));
}
if (axis_mask & (1 << SDL_CONTROLLER_AXIS_LEFTY)) {
SDL_strlcat(mapping_string, "lefty:a1,", sizeof(mapping_string));
}
if (axis_mask & (1 << SDL_CONTROLLER_AXIS_RIGHTX)) {
SDL_strlcat(mapping_string, "rightx:a2,", sizeof(mapping_string));
}
if (axis_mask & (1 << SDL_CONTROLLER_AXIS_RIGHTY)) {
SDL_strlcat(mapping_string, "righty:a3,", sizeof(mapping_string));
}
if (axis_mask & (1 << SDL_CONTROLLER_AXIS_TRIGGERLEFT)) {
SDL_strlcat(mapping_string, "lefttrigger:a4,", sizeof(mapping_string));
}
if (axis_mask & (1 << SDL_CONTROLLER_AXIS_TRIGGERRIGHT)) {
SDL_strlcat(mapping_string, "righttrigger:a5,", sizeof(mapping_string));
}
return SDL_PrivateAddMappingForGUID(guid, mapping_string,
&existing, SDL_CONTROLLER_MAPPING_PRIORITY_DEFAULT);
}
#endif /* __ANDROID__ */
/*
* Helper function to determine pre-calculated offset to certain joystick mappings
*/
@ -877,13 +988,6 @@ static ControllerMapping_t *SDL_PrivateGetControllerMappingForNameAndGUID(const
ControllerMapping_t *mapping;
mapping = SDL_PrivateGetControllerMappingForGUID(&guid);
#if defined(SDL_JOYSTICK_EMSCRIPTEN)
if (!mapping && s_pEmscriptenMapping) {
mapping = s_pEmscriptenMapping;
}
#else
(void) s_pEmscriptenMapping; /* pacify ARMCC */
#endif
#ifdef __LINUX__
if (!mapping && name) {
if (SDL_strstr(name, "Xbox 360 Wireless Receiver")) {
@ -901,6 +1005,14 @@ static ControllerMapping_t *SDL_PrivateGetControllerMappingForNameAndGUID(const
mapping = s_pXInputMapping;
}
}
#ifdef __ANDROID__
if (!mapping) {
mapping = SDL_CreateMappingForAndroidController(name, guid);
}
#endif
if (!mapping) {
mapping = s_pDefaultMapping;
}
return mapping;
}
@ -926,15 +1038,6 @@ static ControllerMapping_t *SDL_PrivateGetControllerMapping(int device_index)
mapping = s_pXInputMapping;
}
#endif
#if defined(__ANDROID__)
if (!mapping && SDL_SYS_IsDPAD_DeviceIndex(device_index)) {
SDL_bool existing;
char mapping_string[1024];
SDL_snprintf(mapping_string, sizeof(mapping_string), "none,%s,a:b0,b:b4,dpdown:b12,dpleft:b13,dpright:b14,dpup:b11,", name);
mapping = SDL_PrivateAddMappingForGUID(guid, mapping_string,
&existing, SDL_CONTROLLER_MAPPING_PRIORITY_DEFAULT);
}
#endif /* __ANDROID__ */
SDL_UnlockJoysticks();
return mapping;
}
@ -1018,8 +1121,8 @@ SDL_PrivateGameControllerAddMapping(const char *mappingString, SDL_ControllerMap
{
char *pchGUID;
SDL_JoystickGUID jGUID;
SDL_bool is_default_mapping = SDL_FALSE;
SDL_bool is_xinput_mapping = SDL_FALSE;
SDL_bool is_emscripten_mapping = SDL_FALSE;
SDL_bool existing = SDL_FALSE;
ControllerMapping_t *pControllerMapping;
@ -1031,12 +1134,11 @@ SDL_PrivateGameControllerAddMapping(const char *mappingString, SDL_ControllerMap
if (!pchGUID) {
return SDL_SetError("Couldn't parse GUID from %s", mappingString);
}
if (!SDL_strcasecmp(pchGUID, "xinput")) {
if (!SDL_strcasecmp(pchGUID, "default")) {
is_default_mapping = SDL_TRUE;
} else if (!SDL_strcasecmp(pchGUID, "xinput")) {
is_xinput_mapping = SDL_TRUE;
}
if (!SDL_strcasecmp(pchGUID, "emscripten")) {
is_emscripten_mapping = SDL_TRUE;
}
jGUID = SDL_JoystickGetGUIDFromString(pchGUID);
SDL_free(pchGUID);
@ -1048,12 +1150,11 @@ SDL_PrivateGameControllerAddMapping(const char *mappingString, SDL_ControllerMap
if (existing) {
return 0;
} else {
if (is_xinput_mapping) {
if (is_default_mapping) {
s_pDefaultMapping = pControllerMapping;
} else if (is_xinput_mapping) {
s_pXInputMapping = pControllerMapping;
}
if (is_emscripten_mapping) {
s_pEmscriptenMapping = pControllerMapping;
}
return 1;
}
}

13
src/joystick/SDL_gamecontrollerdb.h
View File

@ -208,14 +208,11 @@ static const char *s_ControllerMappings [] =
"03000000830500006020000010010000,iBuffalo SNES Controller,a:b1,b:b0,back:b6,dpdown:+a1,dpleft:-a0,dpright:+a0,dpup:-a1,leftshoulder:b4,rightshoulder:b5,start:b7,x:b3,y:b2,",
#endif
#if defined(__ANDROID__)
"34323662653333636330306631326233,ASUS Gamepad,a:b0,b:b1,back:b4,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b6,leftshoulder:b9,leftstick:b7,lefttrigger:a4,leftx:a0,lefty:a1,rightshoulder:b10,rightstick:b8,righttrigger:a5,rightx:a2,righty:a3,x:b2,y:b3,",
"64633436313965656664373634323364,Microsoft X-Box 360 pad,a:b0,b:b1,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b9,leftstick:b7,lefttrigger:a4,leftx:a0,lefty:a1,rightshoulder:b10,rightstick:b8,righttrigger:a5,rightx:a2,righty:a3,x:b2,y:b3,",
"4e564944494120436f72706f72617469,NVIDIA Controller,a:b0,b:b1,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b9,leftstick:b7,lefttrigger:a4,leftx:a0,lefty:a1,rightshoulder:b10,rightstick:b8,righttrigger:a5,rightx:a2,righty:a3,start:b6,x:b2,y:b3,",
"61363931656135336130663561616264,NVIDIA Controller,a:b0,b:b1,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b9,leftstick:b7,lefttrigger:a4,leftx:a0,lefty:a1,rightshoulder:b10,rightstick:b8,righttrigger:a5,rightx:a2,righty:a3,start:b6,x:b2,y:b3,",
"37336435666338653565313731303834,NVIDIA Controller,a:b0,b:b1,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b9,leftstick:b7,lefttrigger:a4,leftx:a0,lefty:a1,rightshoulder:b10,rightstick:b8,righttrigger:a5,rightx:a2,righty:a3,start:b6,x:b2,y:b3,",
"35643031303033326130316330353564,PS4 Controller,a:b1,b:b17,back:b15,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b5,leftshoulder:b3,leftstick:b4,lefttrigger:+a3,leftx:a0,lefty:a1,rightshoulder:b18,rightstick:b6,righttrigger:+a4,rightx:a2,righty:a5,start:b16,x:b0,y:b2,",
"050000004c05000068020000dfff3f00,PS3 Controller,a:b0,b:b1,back:b4,dpdown:b12,dpleft:b13,dpright:b14,dpup:b11,leftshoulder:b9,leftstick:b7,lefttrigger:a4,leftx:a0,lefty:a1,rightshoulder:b10,rightstick:b8,righttrigger:a5,rightx:a2,righty:a3,start:b6,x:b2,y:b3,",
"050000004c050000cc090000fffe3f00,PS4 Controller,a:b1,b:b17,back:b15,dpdown:b12,dpleft:b13,dpright:b14,dpup:b11,guide:b5,leftshoulder:b3,leftstick:b4,lefttrigger:a3,leftx:a0,lefty:a1,rightshoulder:b18,rightstick:b6,righttrigger:a4,rightx:a2,righty:a5,start:b16,x:b0,y:b2,",
"05000000de2800000511000001000000,Steam Controller,a:b0,b:b1,back:b6,guide:b8,leftshoulder:b4,leftstick:b9,lefttrigger:a2,leftx:a0,lefty:a1,rightshoulder:b5,righttrigger:a3,start:b7,x:b2,y:b3,",
"34356136633366613530316338376136,Xbox Wireless Controller,a:b0,b:b1,back:b9,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b10,leftshoulder:b3,leftstick:b15,lefttrigger:a2,leftx:a0,lefty:a1,rightshoulder:b18,rightstick:b16,righttrigger:a5,rightx:a3,righty:a4,x:b17,y:b2,",
"050000005e040000e00200000ffe3f00,Xbox One Wireless Controller,a:b0,b:b1,back:b9,dpdown:b12,dpleft:b13,dpright:b14,dpup:b11,leftshoulder:b3,leftstick:b15,lefttrigger:a2,leftx:a0,lefty:a1,rightshoulder:b18,rightstick:b16,righttrigger:a5,rightx:a3,righty:a4,start:b10,x:b17,y:b2,",
"050000005e04000091020000ff073f00,Xbox Wireless Controller,a:b0,b:b1,back:b4,guide:b5,leftshoulder:b9,leftstick:b7,lefttrigger:a2,leftx:a0,lefty:a1,rightshoulder:b10,rightstick:b8,righttrigger:a5,rightx:a3,righty:a4,start:b6,x:b2,y:b3,", /* The DPAD doesn't seem to work on this controller on Android TV? */
#endif
#if defined(SDL_JOYSTICK_MFI)
"4d466947616d65706164010000000000,*,a:b0,b:b1,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b4,lefttrigger:a2,leftx:a0,lefty:a1,rightshoulder:b5,righttrigger:a5,rightx:a3,righty:a4,start:b6,x:b2,y:b3,",
@ -224,7 +221,7 @@ static const char *s_ControllerMappings [] =
"05000000de2800000511000001000000,Steam Controller,a:b0,b:b1,back:b6,guide:b8,leftshoulder:b4,leftstick:b9,lefttrigger:a2,leftx:a0,lefty:a1,rightshoulder:b5,righttrigger:a3,start:b7,x:b2,y:b3,",
#endif
#if defined(SDL_JOYSTICK_EMSCRIPTEN)
"emscripten,Standard Gamepad,a:b0,b:b1,back:b8,dpdown:b13,dpleft:b14,dpright:b15,dpup:b12,guide:b16,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b2,y:b3,",
"default,Standard Gamepad,a:b0,b:b1,back:b8,dpdown:b13,dpleft:b14,dpright:b15,dpup:b12,guide:b16,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b2,y:b3,",
#endif
NULL
};

21
src/joystick/SDL_joystick.c
View File

@ -104,6 +104,23 @@ SDL_NumJoysticks(void)
return SDL_SYS_NumJoysticks();
}
/*
* Perform any needed fixups for joystick names
*/
static const char *
SDL_FixupJoystickName(const char *name)
{
if (name) {
const char *skip_prefix = "NVIDIA Corporation ";
if (SDL_strncmp(name, skip_prefix, SDL_strlen(skip_prefix)) == 0) {
name += SDL_strlen(skip_prefix);
}
}
return name;
}
/*
* Get the implementation dependent name of a joystick
*/
@ -114,7 +131,7 @@ SDL_JoystickNameForIndex(int device_index)
SDL_SetError("There are %d joysticks available", SDL_NumJoysticks());
return (NULL);
}
return (SDL_SYS_JoystickNameForDeviceIndex(device_index));
return SDL_FixupJoystickName(SDL_SYS_JoystickNameForDeviceIndex(device_index));
}
/*
@ -481,7 +498,7 @@ SDL_JoystickName(SDL_Joystick * joystick)
return (NULL);
}
return (joystick->name);
return SDL_FixupJoystickName(joystick->name);
}
/*

5
src/joystick/SDL_sysjoystick.h
View File

@ -126,11 +126,6 @@ extern SDL_JoystickGUID SDL_SYS_JoystickGetGUID(SDL_Joystick * joystick);
extern SDL_bool SDL_SYS_IsXInputGamepad_DeviceIndex(int device_index);
#endif
#if defined(__ANDROID__)
/* Function returns SDL_TRUE if this device is a DPAD (maybe a TV remote) */
extern SDL_bool SDL_SYS_IsDPAD_DeviceIndex(int device_index);
#endif
#endif /* SDL_sysjoystick_h_ */
/* vi: set ts=4 sw=4 expandtab: */

146
src/joystick/android/SDL_sysjoystick.c
View File

@ -72,6 +72,28 @@ static int numjoysticks = 0;
static int instance_counter = 0;
/* Public domain CRC implementation adapted from:
http://home.thep.lu.se/~bjorn/crc/crc32_simple.c
*/
static Uint32 crc32_for_byte(Uint32 r)
{
int i;
for(i = 0; i < 8; ++i) {
r = (r & 1? 0: (Uint32)0xEDB88320L) ^ r >> 1;
}
return r ^ (Uint32)0xFF000000L;
}
static Uint32 crc32(const void *data, int count)
{
Uint32 crc = 0;
int i;
for(i = 0; i < count; ++i) {
crc = crc32_for_byte((Uint8)crc ^ ((const Uint8*)data)[i]) ^ crc >> 8;
}
return crc;
}
/* 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
@ -213,7 +235,7 @@ Android_OnPadDown(int device_id, int keycode)
if (button >= 0) {
item = JoystickByDeviceId(device_id);
if (item && item->joystick) {
SDL_PrivateJoystickButton(item->joystick, button , SDL_PRESSED);
SDL_PrivateJoystickButton(item->joystick, button, SDL_PRESSED);
} else {
SDL_SendKeyboardKey(SDL_PRESSED, button_to_scancode(button));
}
@ -256,16 +278,43 @@ Android_OnJoy(int device_id, int axis, float value)
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}
};
const int DPAD_UP_MASK = (1 << SDL_CONTROLLER_BUTTON_DPAD_UP);
const int DPAD_DOWN_MASK = (1 << SDL_CONTROLLER_BUTTON_DPAD_DOWN);
const int DPAD_LEFT_MASK = (1 << SDL_CONTROLLER_BUTTON_DPAD_LEFT);
const int DPAD_RIGHT_MASK = (1 << SDL_CONTROLLER_BUTTON_DPAD_RIGHT);
if (x >= -1 && x <=1 && y >= -1 && y <= 1) {
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]);
int dpad_state = 0;
int dpad_delta;
if (x < 0) {
dpad_state |= DPAD_LEFT_MASK;
} else if (x > 0) {
dpad_state |= DPAD_RIGHT_MASK;
}
if (y < 0) {
dpad_state |= DPAD_UP_MASK;
} else if (y > 0) {
dpad_state |= DPAD_DOWN_MASK;
}
dpad_delta = (dpad_state ^ item->dpad_state);
if (dpad_delta) {
if (dpad_delta & DPAD_UP_MASK) {
SDL_PrivateJoystickButton(item->joystick, SDL_CONTROLLER_BUTTON_DPAD_UP, (dpad_state & DPAD_UP_MASK) ? SDL_PRESSED : SDL_RELEASED);
}
if (dpad_delta & DPAD_DOWN_MASK) {
SDL_PrivateJoystickButton(item->joystick, SDL_CONTROLLER_BUTTON_DPAD_DOWN, (dpad_state & DPAD_DOWN_MASK) ? SDL_PRESSED : SDL_RELEASED);
}
if (dpad_delta & DPAD_LEFT_MASK) {
SDL_PrivateJoystickButton(item->joystick, SDL_CONTROLLER_BUTTON_DPAD_LEFT, (dpad_state & DPAD_LEFT_MASK) ? SDL_PRESSED : SDL_RELEASED);
}
if (dpad_delta & DPAD_RIGHT_MASK) {
SDL_PrivateJoystickButton(item->joystick, SDL_CONTROLLER_BUTTON_DPAD_RIGHT, (dpad_state & DPAD_RIGHT_MASK) ? SDL_PRESSED : SDL_RELEASED);
}
item->dpad_state = dpad_state;
}
}
return 0;
}
@ -275,10 +324,15 @@ Android_OnHat(int device_id, int hat_id, int x, int y)
int
Android_AddJoystick(int device_id, const char *name, const char *desc, SDL_bool is_accelerometer, int nbuttons, int naxes, int nhats, int nballs)
Android_AddJoystick(int device_id, const char *name, const char *desc, int vendor_id, int product_id, SDL_bool is_accelerometer, int button_mask, int naxes, int nhats, int nballs)
{
SDL_JoystickGUID guid;
const Uint16 BUS_BLUETOOTH = 0x05;
SDL_joylist_item *item;
SDL_JoystickGUID guid;
Uint16 *guid16 = (Uint16 *)guid.data;
int i;
int axis_mask;
if (!SDL_GetHintBoolean(SDL_HINT_TV_REMOTE_AS_JOYSTICK, SDL_TRUE)) {
/* Ignore devices that aren't actually controllers (e.g. remotes), they'll be handled as keyboard input */
@ -291,9 +345,57 @@ Android_AddJoystick(int device_id, const char *name, const char *desc, SDL_bool
return -1;
}
/* the GUID is just the first 16 chars of the name for now */
SDL_zero(guid);
SDL_memcpy(&guid, desc, SDL_min(sizeof(guid), SDL_strlen(desc)));
#ifdef DEBUG_JOYSTICK
SDL_Log("Joystick: %s, descriptor %s, vendor = 0x%.4x, product = 0x%.4x, %d axes, %d hats\n", name, desc, vendor_id, product_id, naxes, nhats);
#endif
/* Add the available buttons and axes
The axis mask should probably come from Java where there is more information about the axes...
*/
axis_mask = 0;
if (!is_accelerometer) {
if (naxes >= 2) {
axis_mask |= ((1 << SDL_CONTROLLER_AXIS_LEFTX) | (1 << SDL_CONTROLLER_AXIS_LEFTY));
}
if (naxes >= 4) {
axis_mask |= ((1 << SDL_CONTROLLER_AXIS_RIGHTX) | (1 << SDL_CONTROLLER_AXIS_RIGHTY));
}
if (naxes >= 6) {
axis_mask |= ((1 << SDL_CONTROLLER_AXIS_TRIGGERLEFT) | (1 << SDL_CONTROLLER_AXIS_TRIGGERRIGHT));
}
}
if (nhats > 0) {
/* Hat is translated into DPAD buttons */
button_mask |= ((1 << SDL_CONTROLLER_BUTTON_DPAD_UP) |
(1 << SDL_CONTROLLER_BUTTON_DPAD_DOWN) |
(1 << SDL_CONTROLLER_BUTTON_DPAD_LEFT) |
(1 << SDL_CONTROLLER_BUTTON_DPAD_RIGHT));
nhats = 0;
}
SDL_memset(guid.data, 0, sizeof(guid.data));
/* We only need 16 bits for each of these; space them out to fill 128. */
/* Byteswap so devices get same GUID on little/big endian platforms. */
*guid16++ = SDL_SwapLE16(BUS_BLUETOOTH);
*guid16++ = 0;
if (vendor_id && product_id) {
*guid16++ = SDL_SwapLE16(vendor_id);
*guid16++ = 0;
*guid16++ = SDL_SwapLE16(product_id);
*guid16++ = 0;
} else {
Uint32 crc = crc32(desc, SDL_strlen(desc));
SDL_memcpy(guid16, desc, SDL_min(2*sizeof(*guid16), SDL_strlen(desc)));
guid16 += 2;
*(Uint32 *)guid16 = SDL_SwapLE32(crc);
guid16 += 2;
}
*guid16++ = SDL_SwapLE16(button_mask);
*guid16++ = SDL_SwapLE16(axis_mask);
item = (SDL_joylist_item *) SDL_malloc(sizeof (SDL_joylist_item));
if (item == NULL) {
@ -310,11 +412,14 @@ Android_AddJoystick(int device_id, const char *name, const char *desc, SDL_bool
}
item->is_accelerometer = is_accelerometer;
if (nbuttons > -1) {
item->nbuttons = nbuttons;
}
else {
if (button_mask == 0xFFFFFFFF) {
item->nbuttons = ANDROID_MAX_NBUTTONS;
} else {
for (i = 0; i < sizeof(button_mask)*8; ++i) {
if (button_mask & (1 << i)) {
item->nbuttons = i+1;
}
}
}
item->naxes = naxes;
item->nhats = nhats;
@ -467,7 +572,7 @@ SDL_SYS_JoystickInit(void)
if (SDL_GetHintBoolean(SDL_HINT_ACCELEROMETER_AS_JOYSTICK, SDL_TRUE)) {
/* Default behavior, accelerometer as joystick */
Android_AddJoystick(ANDROID_ACCELEROMETER_DEVICE_ID, ANDROID_ACCELEROMETER_NAME, ANDROID_ACCELEROMETER_NAME, SDL_TRUE, 0, 3, 0, 0);
Android_AddJoystick(ANDROID_ACCELEROMETER_DEVICE_ID, ANDROID_ACCELEROMETER_NAME, ANDROID_ACCELEROMETER_NAME, 0, 0, SDL_TRUE, 0, 3, 0, 0);
}
SDL_InitSteamControllers(SteamControllerConnectedCallback,
@ -677,11 +782,6 @@ SDL_JoystickGUID SDL_SYS_JoystickGetGUID(SDL_Joystick * joystick)
return guid;
}
SDL_bool SDL_SYS_IsDPAD_DeviceIndex(int device_index)
{
return JoystickByDevIndex(device_index)->naxes == 0;
}
#endif /* SDL_JOYSTICK_ANDROID */
/* vi: set ts=4 sw=4 expandtab: */

3
src/joystick/android/SDL_sysjoystick_c.h
View File

@ -32,7 +32,7 @@ extern int Android_OnPadDown(int device_id, int keycode);
extern int Android_OnPadUp(int device_id, int keycode);
extern int Android_OnJoy(int device_id, int axisnum, float value);
extern int Android_OnHat(int device_id, int hat_id, int x, int y);
extern int Android_AddJoystick(int device_id, const char *name, const char *desc, SDL_bool is_accelerometer, int nbuttons, int naxes, int nhats, int nballs);
extern int Android_AddJoystick(int device_id, const char *name, const char *desc, int vendor_id, int product_id, SDL_bool is_accelerometer, int button_mask, int naxes, int nhats, int nballs);
extern int Android_RemoveJoystick(int device_id);
/* A linked list of available joysticks */
@ -45,6 +45,7 @@ typedef struct SDL_joylist_item
SDL_bool is_accelerometer;
SDL_Joystick *joystick;
int nbuttons, naxes, nhats, nballs;
int dpad_state;
/* Steam Controller support */
SDL_bool m_bSteamController;