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Sort the raw input axes by usage, so X comes before Y, etc.

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This commit is contained in:
Sam Lantinga 2020-11-27 11:33:53 -08:00
parent 4ddac485db
commit 4fbefbe20d
2 changed files with 15 additions and 10 deletions
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2
src/joystick/SDL_gamecontroller.c
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@ -616,7 +616,7 @@ static ControllerMapping_t *SDL_CreateMappingForRAWINPUTController(SDL_JoystickG
char mapping_string[1024]; char mapping_string[1024];
SDL_strlcpy(mapping_string, "none,*,", sizeof(mapping_string)); SDL_strlcpy(mapping_string, "none,*,", sizeof(mapping_string));
SDL_strlcat(mapping_string, "a:b0,b:b1,x:b2,y:b3,back:b6,guide:b10,start:b7,leftstick:b8,rightstick:b9,leftshoulder:b4,rightshoulder:b5,dpup:h0.1,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,leftx:a1,lefty:a0,rightx:a3,righty:a2,lefttrigger:a4,righttrigger:a5,", sizeof(mapping_string)); SDL_strlcat(mapping_string, "a:b0,b:b1,x:b2,y:b3,back:b6,guide:b10,start:b7,leftstick:b8,rightstick:b9,leftshoulder:b4,rightshoulder:b5,dpup:h0.1,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,leftx:a0,lefty:a1,rightx:a2,righty:a3,lefttrigger:a4,righttrigger:a5,", sizeof(mapping_string));
return SDL_PrivateAddMappingForGUID(guid, mapping_string, return SDL_PrivateAddMappingForGUID(guid, mapping_string,
&existing, SDL_CONTROLLER_MAPPING_PRIORITY_DEFAULT); &existing, SDL_CONTROLLER_MAPPING_PRIORITY_DEFAULT);

23
src/joystick/windows/SDL_rawinputjoystick.c
View File

@ -1032,6 +1032,16 @@ RAWINPUT_JoystickGetDeviceInstanceID(int device_index)
return RAWINPUT_GetDeviceByIndex(device_index)->joystick_id; return RAWINPUT_GetDeviceByIndex(device_index)->joystick_id;
} }
static int
RAWINPUT_SortValueCaps(const void *A, const void *B)
{
HIDP_VALUE_CAPS *capsA = (HIDP_VALUE_CAPS *)A;
HIDP_VALUE_CAPS *capsB = (HIDP_VALUE_CAPS *)B;
/* Sort by Usage for single values, or UsageMax for range of values */
return (int)capsA->NotRange.Usage - capsB->NotRange.Usage;
}
static int static int
RAWINPUT_JoystickOpen(SDL_Joystick *joystick, int device_index) RAWINPUT_JoystickOpen(SDL_Joystick *joystick, int device_index)
{ {
@ -1092,6 +1102,9 @@ RAWINPUT_JoystickOpen(SDL_Joystick *joystick, int device_index)
return SDL_SetError("Couldn't get device value capabilities"); return SDL_SetError("Couldn't get device value capabilities");
} }
/* Sort the axes by usage, so X comes before Y, etc. */
SDL_qsort(value_caps, caps.NumberInputValueCaps, sizeof(*value_caps), RAWINPUT_SortValueCaps);
for (i = 0; i < caps.NumberInputButtonCaps; ++i) { for (i = 0; i < caps.NumberInputButtonCaps; ++i) {
HIDP_BUTTON_CAPS *cap = &button_caps[i]; HIDP_BUTTON_CAPS *cap = &button_caps[i];
@ -1360,20 +1373,12 @@ RAWINPUT_HandleStatePacket(SDL_Joystick *joystick, Uint8 *data, int size)
(1 << SDL_CONTROLLER_BUTTON_DPAD_LEFT), (1 << SDL_CONTROLLER_BUTTON_DPAD_LEFT),
(1 << SDL_CONTROLLER_BUTTON_DPAD_UP) | (1 << SDL_CONTROLLER_BUTTON_DPAD_LEFT), (1 << SDL_CONTROLLER_BUTTON_DPAD_UP) | (1 << SDL_CONTROLLER_BUTTON_DPAD_LEFT),
}; };
#ifdef SDL_JOYSTICK_RAWINPUT_MATCH_AXES
static const int axis_map[] = {
SDL_CONTROLLER_AXIS_LEFTY,
SDL_CONTROLLER_AXIS_LEFTX,
SDL_CONTROLLER_AXIS_RIGHTY,
SDL_CONTROLLER_AXIS_RIGHTX
};
#endif
Uint32 match_state = ctx->match_state; Uint32 match_state = ctx->match_state;
/* Update match_state with button bit, then fall through */ /* Update match_state with button bit, then fall through */
#define SDL_PrivateJoystickButton(joystick, button, state) if (button < SDL_arraysize(button_map)) { if (state) match_state |= 1 << button_map[button]; else match_state &= ~(1 << button_map[button]); } SDL_PrivateJoystickButton(joystick, button, state) #define SDL_PrivateJoystickButton(joystick, button, state) if (button < SDL_arraysize(button_map)) { if (state) match_state |= 1 << button_map[button]; else match_state &= ~(1 << button_map[button]); } SDL_PrivateJoystickButton(joystick, button, state)
#ifdef SDL_JOYSTICK_RAWINPUT_MATCH_AXES #ifdef SDL_JOYSTICK_RAWINPUT_MATCH_AXES
/* Grab high 4 bits of value, then fall through */ /* Grab high 4 bits of value, then fall through */
#define SDL_PrivateJoystickAxis(joystick, axis, value) if (axis < SDL_arraysize(axis_map)) match_state = (match_state & ~(0xF << (4 * axis_map[axis] + 16))) | ((value) & 0xF000) << (4 * axis_map[axis] + 4); SDL_PrivateJoystickAxis(joystick, axis, value) #define SDL_PrivateJoystickAxis(joystick, axis, value) if (axis < 4) match_state = (match_state & ~(0xF << (4 * axis + 16))) | ((value) & 0xF000) << (4 * axis + 4); SDL_PrivateJoystickAxis(joystick, axis, value)
#endif #endif
#endif /* SDL_JOYSTICK_RAWINPUT_MATCHING */ #endif /* SDL_JOYSTICK_RAWINPUT_MATCHING */