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Added support for the EVORETRO GameCube Adapter in PC mode

This commit is contained in:
Sam Lantinga 2021-01-22 11:42:42 -08:00
parent 9c88eac856
commit f68b36df75
3 changed files with 209 additions and 106 deletions
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3
src/joystick/SDL_gamecontroller.c
View File

@ -574,7 +574,8 @@ static ControllerMapping_t *SDL_CreateMappingForHIDAPIController(SDL_JoystickGUI
SDL_GetJoystickGUIDInfo(guid, &vendor, &product, NULL);
if (vendor == USB_VENDOR_NINTENDO && product == USB_PRODUCT_NINTENDO_GAMECUBE_ADAPTER) {
if ((vendor == USB_VENDOR_NINTENDO && product == USB_PRODUCT_NINTENDO_GAMECUBE_ADAPTER) ||
(vendor == USB_VENDOR_SHENZHEN && product == USB_PRODUCT_EVORETRO_GAMECUBE_ADAPTER)) {
/* GameCube driver has 12 buttons and 6 axes */
SDL_strlcat(mapping_string, "a:b0,b:b1,dpdown:b6,dpleft:b4,dpright:b5,dpup:b7,lefttrigger:a4,leftx:a0,lefty:a1,rightshoulder:b9,righttrigger:a5,rightx:a2,righty:a3,start:b8,x:b2,y:b3,", sizeof(mapping_string));
} else {

120
src/joystick/hidapi/SDL_hidapi_gamecube.c
View File

@ -37,9 +37,13 @@
#ifdef SDL_JOYSTICK_HIDAPI_GAMECUBE
/* Define this if you want to log all packets from the controller */
/*#define DEBUG_GAMECUBE_PROTOCOL*/
#define MAX_CONTROLLERS 4
typedef struct {
SDL_bool pc_mode;
SDL_JoystickID joysticks[MAX_CONTROLLERS];
Uint8 wireless[MAX_CONTROLLERS];
Uint8 min_axis[MAX_CONTROLLERS*SDL_CONTROLLER_AXIS_MAX];
@ -58,6 +62,10 @@ HIDAPI_DriverGameCube_IsSupportedDevice(const char *name, SDL_GameControllerType
/* Nintendo Co., Ltd. Wii U GameCube Controller Adapter */
return SDL_TRUE;
}
if (vendor_id == USB_VENDOR_SHENZHEN && product_id == USB_PRODUCT_EVORETRO_GAMECUBE_ADAPTER) {
/* EVORETRO GameCube Controller Adapter */
return SDL_TRUE;
}
return SDL_FALSE;
}
@ -86,7 +94,7 @@ static float fsel(float fComparand, float fValGE, float fLT)
static float RemapVal(float val, float A, float B, float C, float D)
{
if (A == B) {
return fsel(val - B , D , C);
return fsel(val - B, D, C);
}
if (val < A) {
val = A;
@ -154,6 +162,16 @@ HIDAPI_DriverGameCube_InitDevice(SDL_HIDAPI_Device *device)
ctx->joysticks[3] = -1;
ctx->rumble[0] = rumbleMagic;
if (device->vendor_id != USB_VENDOR_NINTENDO) {
ctx->pc_mode = SDL_TRUE;
}
if (ctx->pc_mode) {
for (i = 0; i < MAX_CONTROLLERS; ++i) {
ResetAxisRange(ctx, i);
HIDAPI_JoystickConnected(device, &ctx->joysticks[i]);
}
} else {
/* This is all that's needed to initialize the device. Really! */
if (hid_write(device->dev, &initMagic, sizeof(initMagic)) != sizeof(initMagic)) {
SDL_SetError("Couldn't initialize WUP-028");
@ -165,6 +183,9 @@ HIDAPI_DriverGameCube_InitDevice(SDL_HIDAPI_Device *device)
/* Add all the applicable joysticks */
while ((size = hid_read_timeout(device->dev, packet, sizeof(packet), 0)) > 0) {
#ifdef DEBUG_GAMECUBE_PROTOCOL
HIDAPI_DumpPacket("Nintendo GameCube packet: size = %d", packet, size);
#endif
if (size < 37 || packet[0] != 0x21) {
continue; /* Nothing to do yet...? */
}
@ -191,6 +212,7 @@ HIDAPI_DriverGameCube_InitDevice(SDL_HIDAPI_Device *device)
}
}
}
}
SDL_AddHintCallback(SDL_HINT_GAMECONTROLLER_USE_BUTTON_LABELS,
SDL_GameControllerButtonReportingHintChanged, ctx);
@ -233,21 +255,76 @@ HIDAPI_DriverGameCube_SetDevicePlayerIndex(SDL_HIDAPI_Device *device, SDL_Joysti
{
}
static SDL_bool
HIDAPI_DriverGameCube_UpdateDevice(SDL_HIDAPI_Device *device)
static void
HIDAPI_DriverGameCube_HandleJoystickPacket(SDL_HIDAPI_Device *device, SDL_DriverGameCube_Context *ctx, Uint8 *packet, int size)
{
SDL_Joystick *joystick;
Uint8 i, v;
Sint16 axis_value;
if (size != 10) {
return; /* How do we handle this packet? */
}
i = packet[0] - 1;
if (i >= MAX_CONTROLLERS) {
return; /* How do we handle this packet? */
}
joystick = SDL_JoystickFromInstanceID(ctx->joysticks[i]);
#define READ_BUTTON(off, flag, button) \
SDL_PrivateJoystickButton( \
joystick, \
RemapButton(ctx, button), \
(packet[off] & flag) ? SDL_PRESSED : SDL_RELEASED \
);
READ_BUTTON(1, 0x02, 0) /* A */
READ_BUTTON(1, 0x04, 1) /* B */
READ_BUTTON(1, 0x01, 2) /* X */
READ_BUTTON(1, 0x08, 3) /* Y */
READ_BUTTON(2, 0x80, 4) /* DPAD_LEFT */
READ_BUTTON(2, 0x20, 5) /* DPAD_RIGHT */
READ_BUTTON(2, 0x40, 6) /* DPAD_DOWN */
READ_BUTTON(2, 0x10, 7) /* DPAD_UP */
READ_BUTTON(2, 0x02, 8) /* START */
READ_BUTTON(1, 0x80, 9) /* RIGHTSHOULDER */
/* These two buttons are for the bottoms of the analog triggers.
* More than likely, you're going to want to read the axes instead!
* -flibit
*/
READ_BUTTON(1, 0x20, 10) /* TRIGGERRIGHT */
READ_BUTTON(1, 0x10, 11) /* TRIGGERLEFT */
#undef READ_BUTTON
#define READ_AXIS(off, axis, invert) \
v = invert ? (0xff - packet[off]) : packet[off]; \
if (v < ctx->min_axis[i*SDL_CONTROLLER_AXIS_MAX+axis]) ctx->min_axis[i*SDL_CONTROLLER_AXIS_MAX+axis] = v; \
if (v > ctx->max_axis[i*SDL_CONTROLLER_AXIS_MAX+axis]) ctx->max_axis[i*SDL_CONTROLLER_AXIS_MAX+axis] = v; \
axis_value = (Sint16)RemapVal(v, ctx->min_axis[i*SDL_CONTROLLER_AXIS_MAX+axis], ctx->max_axis[i*SDL_CONTROLLER_AXIS_MAX+axis], SDL_MIN_SINT16, SDL_MAX_SINT16); \
SDL_PrivateJoystickAxis( \
joystick, \
axis, axis_value \
);
READ_AXIS(3, SDL_CONTROLLER_AXIS_LEFTX, 0)
READ_AXIS(4, SDL_CONTROLLER_AXIS_LEFTY, 0)
READ_AXIS(6, SDL_CONTROLLER_AXIS_RIGHTX, 1)
READ_AXIS(5, SDL_CONTROLLER_AXIS_RIGHTY, 1)
READ_AXIS(7, SDL_CONTROLLER_AXIS_TRIGGERLEFT, 0)
READ_AXIS(8, SDL_CONTROLLER_AXIS_TRIGGERRIGHT, 0)
#undef READ_AXIS
}
static void
HIDAPI_DriverGameCube_HandleNintendoPacket(SDL_HIDAPI_Device *device, SDL_DriverGameCube_Context *ctx, Uint8 *packet, int size)
{
SDL_DriverGameCube_Context *ctx = (SDL_DriverGameCube_Context *)device->context;
SDL_Joystick *joystick;
Uint8 packet[37];
Uint8 *curSlot;
Uint8 i;
Sint16 axis_value;
int size;
/* Read input packet */
while ((size = hid_read_timeout(device->dev, packet, sizeof(packet), 0)) > 0) {
if (size < 37 || packet[0] != 0x21) {
continue; /* Nothing to do right now...? */
return; /* Nothing to do right now...? */
}
/* Go through all 4 slots */
@ -302,7 +379,6 @@ HIDAPI_DriverGameCube_UpdateDevice(SDL_HIDAPI_Device *device)
#undef READ_BUTTON
#define READ_AXIS(off, axis) \
if (axis < SDL_CONTROLLER_AXIS_TRIGGERLEFT) \
if (curSlot[off] < ctx->min_axis[i*SDL_CONTROLLER_AXIS_MAX+axis]) ctx->min_axis[i*SDL_CONTROLLER_AXIS_MAX+axis] = curSlot[off]; \
if (curSlot[off] > ctx->max_axis[i*SDL_CONTROLLER_AXIS_MAX+axis]) ctx->max_axis[i*SDL_CONTROLLER_AXIS_MAX+axis] = curSlot[off]; \
axis_value = (Sint16)(RemapVal(curSlot[off], ctx->min_axis[i*SDL_CONTROLLER_AXIS_MAX+axis], ctx->max_axis[i*SDL_CONTROLLER_AXIS_MAX+axis], SDL_MIN_SINT16, SDL_MAX_SINT16)); \
@ -318,6 +394,25 @@ HIDAPI_DriverGameCube_UpdateDevice(SDL_HIDAPI_Device *device)
READ_AXIS(8, SDL_CONTROLLER_AXIS_TRIGGERRIGHT)
#undef READ_AXIS
}
}
static SDL_bool
HIDAPI_DriverGameCube_UpdateDevice(SDL_HIDAPI_Device *device)
{
SDL_DriverGameCube_Context *ctx = (SDL_DriverGameCube_Context *)device->context;
Uint8 packet[USB_PACKET_LENGTH];
int size;
/* Read input packet */
while ((size = hid_read_timeout(device->dev, packet, sizeof(packet), 0)) > 0) {
#ifdef DEBUG_GAMECUBE_PROTOCOL
//HIDAPI_DumpPacket("Nintendo GameCube packet: size = %d", packet, size);
#endif
if (ctx->pc_mode) {
HIDAPI_DriverGameCube_HandleJoystickPacket(device, ctx, packet, size);
} else {
HIDAPI_DriverGameCube_HandleNintendoPacket(device, ctx, packet, size);
}
}
/* Write rumble packet */
@ -351,6 +446,11 @@ HIDAPI_DriverGameCube_RumbleJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *jo
{
SDL_DriverGameCube_Context *ctx = (SDL_DriverGameCube_Context *)device->context;
Uint8 i, val;
if (ctx->pc_mode) {
return SDL_Unsupported();
}
for (i = 0; i < MAX_CONTROLLERS; i += 1) {
if (joystick->instance_id == ctx->joysticks[i]) {
if (ctx->wireless[i]) {

4
src/joystick/usb_ids.h
View File

@ -31,10 +31,12 @@
#define USB_VENDOR_NVIDIA 0x0955
#define USB_VENDOR_PDP 0x0e6f
#define USB_VENDOR_POWERA 0x24c6
#define USB_VENDOR_SONY 0x054c
#define USB_VENDOR_RAZER 0x1532
#define USB_VENDOR_SHENZHEN 0x0079
#define USB_VENDOR_SONY 0x054c
#define USB_VENDOR_VALVE 0x28de
#define USB_PRODUCT_EVORETRO_GAMECUBE_ADAPTER 0x1846
#define USB_PRODUCT_NINTENDO_GAMECUBE_ADAPTER 0x0337
#define USB_PRODUCT_NINTENDO_SWITCH_PRO 0x2009
#define USB_PRODUCT_RAZER_PANTHERA 0x0401