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Use separate extents for simple and advanced reports

This commit is contained in:
Sam Lantinga 2022-09-26 18:18:16 -07:00
parent 2f9c9b5f80
commit a205c5e26c
1 changed files with 35 additions and 24 deletions
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59
src/joystick/hidapi/SDL_hidapi_switch.c
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@ -276,7 +276,7 @@ typedef struct {
Sint16 sMin;
Sint16 sMax;
} axis[2];
} m_StickExtents[2];
} m_StickExtents[2], m_SimpleStickExtents[2];
struct IMUScaleData {
float fAccelScaleX;
@ -770,21 +770,20 @@ static SDL_bool LoadStickCalibration(SDL_DriverSwitch_Context *ctx, Uint8 input_
}
}
if (input_mode == k_eSwitchInputReportIDs_SimpleControllerState) {
for (stick = 0; stick < 2; ++stick) {
for(axis = 0; axis < 2; ++axis) {
ctx->m_StickExtents[stick].axis[axis].sMin = (Sint16)(SDL_MIN_SINT16 * 0.5f);
ctx->m_StickExtents[stick].axis[axis].sMax = (Sint16)(SDL_MAX_SINT16 * 0.5f);
}
}
} else {
for (stick = 0; stick < 2; ++stick) {
for(axis = 0; axis < 2; ++axis) {
ctx->m_StickExtents[stick].axis[axis].sMin = -(Sint16)(ctx->m_StickCalData[stick].axis[axis].sMin * 0.7f);
ctx->m_StickExtents[stick].axis[axis].sMax = (Sint16)(ctx->m_StickCalData[stick].axis[axis].sMax * 0.7f);
}
for (stick = 0; stick < 2; ++stick) {
for(axis = 0; axis < 2; ++axis) {
ctx->m_StickExtents[stick].axis[axis].sMin = -(Sint16)(ctx->m_StickCalData[stick].axis[axis].sMin * 0.7f);
ctx->m_StickExtents[stick].axis[axis].sMax = (Sint16)(ctx->m_StickCalData[stick].axis[axis].sMax * 0.7f);
}
}
for (stick = 0; stick < 2; ++stick) {
for(axis = 0; axis < 2; ++axis) {
ctx->m_SimpleStickExtents[stick].axis[axis].sMin = (Sint16)(SDL_MIN_SINT16 * 0.5f);
ctx->m_SimpleStickExtents[stick].axis[axis].sMax = (Sint16)(SDL_MAX_SINT16 * 0.5f);
}
}
return SDL_TRUE;
}
@ -854,9 +853,9 @@ static SDL_bool LoadIMUCalibration(SDL_DriverSwitch_Context* ctx)
}
static Sint16 ApplyStickCalibrationCentered(SDL_DriverSwitch_Context *ctx, int nStick, int nAxis, Sint16 sRawValue, Sint16 sCenter)
static Sint16 ApplyStickCalibration(SDL_DriverSwitch_Context *ctx, int nStick, int nAxis, Sint16 sRawValue)
{
sRawValue -= sCenter;
sRawValue -= ctx->m_StickCalData[nStick].axis[nAxis].sCenter;
if (sRawValue > ctx->m_StickExtents[nStick].axis[nAxis].sMax) {
ctx->m_StickExtents[nStick].axis[nAxis].sMax = sRawValue;
@ -868,9 +867,21 @@ static Sint16 ApplyStickCalibrationCentered(SDL_DriverSwitch_Context *ctx, int n
return (Sint16)HIDAPI_RemapVal(sRawValue, ctx->m_StickExtents[nStick].axis[nAxis].sMin, ctx->m_StickExtents[nStick].axis[nAxis].sMax, SDL_MIN_SINT16, SDL_MAX_SINT16);
}
static Sint16 ApplyStickCalibration(SDL_DriverSwitch_Context *ctx, int nStick, int nAxis, Sint16 sRawValue)
static Sint16 ApplySimpleStickCalibration(SDL_DriverSwitch_Context *ctx, int nStick, int nAxis, Sint16 sRawValue)
{
return ApplyStickCalibrationCentered(ctx, nStick, nAxis, sRawValue, ctx->m_StickCalData[nStick].axis[nAxis].sCenter);
/* 0x8000 is the neutral value for all joystick axes */
const Uint16 usJoystickCenter = 0x8000;
sRawValue -= usJoystickCenter;
if (sRawValue > ctx->m_SimpleStickExtents[nStick].axis[nAxis].sMax) {
ctx->m_SimpleStickExtents[nStick].axis[nAxis].sMax = sRawValue;
}
if (sRawValue < ctx->m_SimpleStickExtents[nStick].axis[nAxis].sMin) {
ctx->m_SimpleStickExtents[nStick].axis[nAxis].sMin = sRawValue;
}
return (Sint16)HIDAPI_RemapVal(sRawValue, ctx->m_SimpleStickExtents[nStick].axis[nAxis].sMin, ctx->m_SimpleStickExtents[nStick].axis[nAxis].sMax, SDL_MIN_SINT16, SDL_MAX_SINT16);
}
static void SDLCALL SDL_GameControllerButtonReportingHintChanged(void *userdata, const char *name, const char *oldValue, const char *hint)
@ -1659,8 +1670,6 @@ static void HandleInputOnlyControllerState(SDL_Joystick *joystick, SDL_DriverSwi
static void HandleSimpleControllerState(SDL_Joystick *joystick, SDL_DriverSwitch_Context *ctx, SwitchSimpleStatePacket_t *packet)
{
/* 0x8000 is the neutral value for all joystick axes */
const Uint16 usJoystickCenter = 0x8000;
Sint16 axis;
if (packet->rgucButtons[0] != ctx->m_lastSimpleState.rgucButtons[0]) {
@ -1733,16 +1742,16 @@ static void HandleSimpleControllerState(SDL_Joystick *joystick, SDL_DriverSwitch
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_LEFT, dpad_left);
}
axis = ApplyStickCalibrationCentered(ctx, 0, 0, packet->sJoystickLeft[0], (Sint16)usJoystickCenter);
axis = ApplySimpleStickCalibration(ctx, 0, 0, packet->sJoystickLeft[0]);
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTX, axis);
axis = ApplyStickCalibrationCentered(ctx, 0, 1, packet->sJoystickLeft[1], (Sint16)usJoystickCenter);
axis = ApplySimpleStickCalibration(ctx, 0, 1, packet->sJoystickLeft[1]);
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTY, axis);
axis = ApplyStickCalibrationCentered(ctx, 1, 0, packet->sJoystickRight[0], (Sint16)usJoystickCenter);
axis = ApplySimpleStickCalibration(ctx, 1, 0, packet->sJoystickRight[0]);
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTX, axis);
axis = ApplyStickCalibrationCentered(ctx, 1, 1, packet->sJoystickRight[1], (Sint16)usJoystickCenter);
axis = ApplySimpleStickCalibration(ctx, 1, 1, packet->sJoystickRight[1]);
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTY, axis);
ctx->m_lastSimpleState = *packet;
@ -1964,7 +1973,9 @@ static void HandleFullControllerState(SDL_Joystick *joystick, SDL_DriverSwitch_C
}
axis = packet->controllerState.rgucJoystickLeft[0] | ((packet->controllerState.rgucJoystickLeft[1] & 0xF) << 8);
SDL_Log("Raw: %d\n", axis);
axis = ApplyStickCalibration(ctx, 0, 0, axis);
SDL_Log("Remapped: %d\n", axis);
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTX, axis);
axis = ((packet->controllerState.rgucJoystickLeft[1] & 0xF0) >> 4) | (packet->controllerState.rgucJoystickLeft[2] << 4);