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mirror of https://github.com/Relintai/sdl2_frt.git synced 2024-12-25 09:17:12 +01:00

Minor cleanup

This commit is contained in:
Sam Lantinga 2021-01-23 11:21:01 -08:00
parent 1981d23f4b
commit c857b5e0c9
5 changed files with 18 additions and 56 deletions

View File

@ -86,25 +86,6 @@ ResetAxisRange(SDL_DriverGameCube_Context *ctx, int joystick_index)
ctx->min_axis[joystick_index*SDL_CONTROLLER_AXIS_MAX+SDL_CONTROLLER_AXIS_TRIGGERRIGHT] = 40; ctx->min_axis[joystick_index*SDL_CONTROLLER_AXIS_MAX+SDL_CONTROLLER_AXIS_TRIGGERRIGHT] = 40;
} }
static float fsel(float fComparand, float fValGE, float fLT)
{
return fComparand >= 0 ? fValGE : fLT;
}
static float RemapVal(float val, float A, float B, float C, float D)
{
if (A == B) {
return fsel(val - B, D, C);
}
if (val < A) {
val = A;
}
if (val > B) {
val = B;
}
return C + (D - C) * (val - A) / (B - A);
}
static void SDLCALL SDL_GameControllerButtonReportingHintChanged(void *userdata, const char *name, const char *oldValue, const char *hint) static void SDLCALL SDL_GameControllerButtonReportingHintChanged(void *userdata, const char *name, const char *oldValue, const char *hint)
{ {
SDL_DriverGameCube_Context *ctx = (SDL_DriverGameCube_Context *)userdata; SDL_DriverGameCube_Context *ctx = (SDL_DriverGameCube_Context *)userdata;
@ -301,7 +282,7 @@ HIDAPI_DriverGameCube_HandleJoystickPacket(SDL_HIDAPI_Device *device, SDL_Driver
v = invert ? (0xff - packet[off]) : packet[off]; \ 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->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; \ 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); \ axis_value = (Sint16)HIDAPI_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( \ SDL_PrivateJoystickAxis( \
joystick, \ joystick, \
axis, axis_value \ axis, axis_value \
@ -381,7 +362,7 @@ HIDAPI_DriverGameCube_HandleNintendoPacket(SDL_HIDAPI_Device *device, SDL_Driver
#define READ_AXIS(off, axis) \ #define READ_AXIS(off, axis) \
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->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]; \ 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)); \ axis_value = (Sint16)HIDAPI_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); \
SDL_PrivateJoystickAxis( \ SDL_PrivateJoystickAxis( \
joystick, \ joystick, \
axis, axis_value \ axis, axis_value \

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@ -24,7 +24,6 @@
#include "SDL_hints.h" #include "SDL_hints.h"
#include "SDL_events.h" #include "SDL_events.h"
#include "SDL_timer.h"
#include "SDL_joystick.h" #include "SDL_joystick.h"
#include "SDL_gamecontroller.h" #include "SDL_gamecontroller.h"
#include "../SDL_sysjoystick.h" #include "../SDL_sysjoystick.h"
@ -35,7 +34,7 @@
#ifdef SDL_JOYSTICK_HIDAPI_STADIA #ifdef SDL_JOYSTICK_HIDAPI_STADIA
/* Define this if you want to log all packets from the controller */ /* Define this if you want to log all packets from the controller */
//#define DEBUG_STADIA_PROTOCOL /*#define DEBUG_STADIA_PROTOCOL*/
enum enum
{ {
@ -148,19 +147,6 @@ HIDAPI_DriverStadia_SetJoystickSensorsEnabled(SDL_HIDAPI_Device *device, SDL_Joy
return SDL_Unsupported(); return SDL_Unsupported();
} }
static float fsel(float fComparand, float fValGE, float fLT)
{
return fComparand >= 0 ? fValGE : fLT;
}
static float RemapVal(float val, float A, float B, float C, float D)
{
if (A == B) {
return fsel(val - B , D , C);
}
return C + (D - C) * (val - A) / (B - A);
}
static void static void
HIDAPI_DriverStadia_HandleStatePacket(SDL_Joystick *joystick, SDL_DriverStadia_Context *ctx, Uint8 *data, int size) HIDAPI_DriverStadia_HandleStatePacket(SDL_Joystick *joystick, SDL_DriverStadia_Context *ctx, Uint8 *data, int size)
{ {
@ -236,7 +222,7 @@ HIDAPI_DriverStadia_HandleStatePacket(SDL_Joystick *joystick, SDL_DriverStadia_C
#define READ_STICK_AXIS(offset) \ #define READ_STICK_AXIS(offset) \
(data[offset] == 0x80 ? 0 : \ (data[offset] == 0x80 ? 0 : \
(Sint16)RemapVal(data[offset] - 0x80, 0x01 - 0x80, 0xff - 0x80, SDL_MIN_SINT16, SDL_MAX_SINT16)) (Sint16)HIDAPI_RemapVal(data[offset] - 0x80, 0x01 - 0x80, 0xff - 0x80, SDL_MIN_SINT16, SDL_MAX_SINT16))
{ {
axis = READ_STICK_AXIS(4); axis = READ_STICK_AXIS(4);
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTX, axis); SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTX, axis);

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@ -706,19 +706,6 @@ static SDL_bool LoadStickCalibration(SDL_DriverSwitch_Context *ctx, Uint8 input_
return SDL_TRUE; return SDL_TRUE;
} }
static float fsel(float fComparand, float fValGE, float fLT)
{
return fComparand >= 0 ? fValGE : fLT;
}
static float RemapVal(float val, float A, float B, float C, float D)
{
if (A == B) {
return fsel(val - B , D , C);
}
return C + (D - C) * (val - A) / (B - A);
}
static Sint16 ApplyStickCalibrationCentered(SDL_DriverSwitch_Context *ctx, int nStick, int nAxis, Sint16 sRawValue, Sint16 sCenter) static Sint16 ApplyStickCalibrationCentered(SDL_DriverSwitch_Context *ctx, int nStick, int nAxis, Sint16 sRawValue, Sint16 sCenter)
{ {
sRawValue -= sCenter; sRawValue -= sCenter;
@ -731,9 +718,9 @@ static Sint16 ApplyStickCalibrationCentered(SDL_DriverSwitch_Context *ctx, int n
} }
if (sRawValue > 0) { if (sRawValue > 0) {
return (Sint16)(RemapVal(sRawValue, 0, ctx->m_StickExtents[nStick].axis[nAxis].sMax, 0, SDL_MAX_SINT16)); return (Sint16)HIDAPI_RemapVal(sRawValue, 0, ctx->m_StickExtents[nStick].axis[nAxis].sMax, 0, SDL_MAX_SINT16);
} else { } else {
return (Sint16)(RemapVal(sRawValue, ctx->m_StickExtents[nStick].axis[nAxis].sMin, 0, SDL_MIN_SINT16, 0)); return (Sint16)HIDAPI_RemapVal(sRawValue, ctx->m_StickExtents[nStick].axis[nAxis].sMin, 0, SDL_MIN_SINT16, 0);
} }
} }
@ -1164,22 +1151,22 @@ static void HandleInputOnlyControllerState(SDL_Joystick *joystick, SDL_DriverSwi
} }
if (packet->rgucJoystickLeft[0] != ctx->m_lastInputOnlyState.rgucJoystickLeft[0]) { if (packet->rgucJoystickLeft[0] != ctx->m_lastInputOnlyState.rgucJoystickLeft[0]) {
axis = (Sint16)(RemapVal(packet->rgucJoystickLeft[0], SDL_MIN_UINT8, SDL_MAX_UINT8, SDL_MIN_SINT16, SDL_MAX_SINT16)); axis = (Sint16)HIDAPI_RemapVal(packet->rgucJoystickLeft[0], SDL_MIN_UINT8, SDL_MAX_UINT8, SDL_MIN_SINT16, SDL_MAX_SINT16);
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTX, axis); SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTX, axis);
} }
if (packet->rgucJoystickLeft[1] != ctx->m_lastInputOnlyState.rgucJoystickLeft[1]) { if (packet->rgucJoystickLeft[1] != ctx->m_lastInputOnlyState.rgucJoystickLeft[1]) {
axis = (Sint16)(RemapVal(packet->rgucJoystickLeft[1], SDL_MIN_UINT8, SDL_MAX_UINT8, SDL_MIN_SINT16, SDL_MAX_SINT16)); axis = (Sint16)HIDAPI_RemapVal(packet->rgucJoystickLeft[1], SDL_MIN_UINT8, SDL_MAX_UINT8, SDL_MIN_SINT16, SDL_MAX_SINT16);
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTY, axis); SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTY, axis);
} }
if (packet->rgucJoystickRight[0] != ctx->m_lastInputOnlyState.rgucJoystickRight[0]) { if (packet->rgucJoystickRight[0] != ctx->m_lastInputOnlyState.rgucJoystickRight[0]) {
axis = (Sint16)(RemapVal(packet->rgucJoystickRight[0], SDL_MIN_UINT8, SDL_MAX_UINT8, SDL_MIN_SINT16, SDL_MAX_SINT16)); axis = (Sint16)HIDAPI_RemapVal(packet->rgucJoystickRight[0], SDL_MIN_UINT8, SDL_MAX_UINT8, SDL_MIN_SINT16, SDL_MAX_SINT16);
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTX, axis); SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTX, axis);
} }
if (packet->rgucJoystickRight[1] != ctx->m_lastInputOnlyState.rgucJoystickRight[1]) { if (packet->rgucJoystickRight[1] != ctx->m_lastInputOnlyState.rgucJoystickRight[1]) {
axis = (Sint16)(RemapVal(packet->rgucJoystickRight[1], SDL_MIN_UINT8, SDL_MAX_UINT8, SDL_MIN_SINT16, SDL_MAX_SINT16)); axis = (Sint16)HIDAPI_RemapVal(packet->rgucJoystickRight[1], SDL_MIN_UINT8, SDL_MAX_UINT8, SDL_MIN_SINT16, SDL_MAX_SINT16);
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTY, axis); SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTY, axis);
} }

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@ -413,6 +413,12 @@ HIDAPI_DumpPacket(const char *prefix, Uint8 *data, int size)
SDL_free(buffer); SDL_free(buffer);
} }
float
HIDAPI_RemapVal(float val, float val_min, float val_max, float output_min, float output_max)
{
return output_min + (output_max - output_min) * (val - val_min) / (val_max - val_min);
}
static void HIDAPI_JoystickDetect(void); static void HIDAPI_JoystickDetect(void);
static void HIDAPI_JoystickClose(SDL_Joystick * joystick); static void HIDAPI_JoystickClose(SDL_Joystick * joystick);

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@ -125,6 +125,8 @@ extern void HIDAPI_JoystickDisconnected(SDL_HIDAPI_Device *device, SDL_JoystickI
extern void HIDAPI_DumpPacket(const char *prefix, Uint8 *data, int size); extern void HIDAPI_DumpPacket(const char *prefix, Uint8 *data, int size);
extern float HIDAPI_RemapVal(float val, float val_min, float val_max, float output_min, float output_max);
#endif /* SDL_JOYSTICK_HIDAPI_H */ #endif /* SDL_JOYSTICK_HIDAPI_H */
/* vi: set ts=4 sw=4 expandtab: */ /* vi: set ts=4 sw=4 expandtab: */