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Implement glfwGetJoystickHats

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This moves the buttons-as-hats logic to shared code and adds the
GLFW_JOYSTICK_HAT_BUTTONS input mode as a way to disable this legacy
behavior.

Fixes #889.
This commit is contained in:
Camilla Löwy
2017-03-01 23:27:20 +01:00
parent 368dec7ac7
commit 798d7c6d68
13 changed files with 282 additions and 82 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/win32_joystick.c
+33 -18
View File
@@ -427,7 +427,8 @@ static BOOL CALLBACK deviceCallback(const DIDEVICEINSTANCE* di, void* user)
js = _glfwAllocJoystick(name,
data.axisCount + data.sliderCount,
data.buttonCount + data.povCount * 4);
data.buttonCount,
data.povCount);
if (!js)
{
IDirectInputDevice8_Release(device);
@@ -512,7 +513,7 @@ void _glfwDetectJoystickConnectionWin32(void)
if (XInputGetCapabilities(index, 0, &xic) != ERROR_SUCCESS)
continue;
js = _glfwAllocJoystick(getDeviceDescription(&xic), 6, 14);
js = _glfwAllocJoystick(getDeviceDescription(&xic), 6, 10, 1);
if (!js)
continue;
@@ -561,7 +562,7 @@ int _glfwPlatformPollJoystick(int jid, int mode)
if (js->win32.device)
{
int i, j, ai = 0, bi = 0;
int i, ai = 0, bi = 0, pi = 0;
HRESULT result;
DIJOYSTATE state;
@@ -612,19 +613,26 @@ int _glfwPlatformPollJoystick(int jid, int mode)
case _GLFW_TYPE_POV:
{
const int directions[9] = { 1, 3, 2, 6, 4, 12, 8, 9, 0 };
const int states[9] =
{
GLFW_HAT_UP,
GLFW_HAT_RIGHT_UP,
GLFW_HAT_RIGHT,
GLFW_HAT_RIGHT_DOWN,
GLFW_HAT_DOWN,
GLFW_HAT_LEFT_DOWN,
GLFW_HAT_LEFT,
GLFW_HAT_LEFT_UP,
GLFW_HAT_CENTERED
};
// Screams of horror are appropriate at this point
int state = LOWORD(*(DWORD*) data) / (45 * DI_DEGREES);
if (state < 0 || state > 8)
state = 8;
for (j = 0; j < 4; j++)
{
const char value = (directions[state] & (1 << j)) != 0;
_glfwInputJoystickButton(jid, bi, value);
bi++;
}
_glfwInputJoystickHat(jid, pi, states[state]);
pi++;
break;
}
}
@@ -632,7 +640,7 @@ int _glfwPlatformPollJoystick(int jid, int mode)
}
else
{
int i;
int i, dpad = 0;
DWORD result;
XINPUT_STATE xis;
float axes[6] = { 0.f, 0.f, 0.f, 0.f, -1.f, -1.f };
@@ -647,11 +655,7 @@ int _glfwPlatformPollJoystick(int jid, int mode)
XINPUT_GAMEPAD_BACK,
XINPUT_GAMEPAD_START,
XINPUT_GAMEPAD_LEFT_THUMB,
XINPUT_GAMEPAD_RIGHT_THUMB,
XINPUT_GAMEPAD_DPAD_UP,
XINPUT_GAMEPAD_DPAD_RIGHT,
XINPUT_GAMEPAD_DPAD_DOWN,
XINPUT_GAMEPAD_DPAD_LEFT
XINPUT_GAMEPAD_RIGHT_THUMB
};
result = XInputGetState(js->win32.index, &xis);
@@ -693,11 +697,22 @@ int _glfwPlatformPollJoystick(int jid, int mode)
for (i = 0; i < 6; i++)
_glfwInputJoystickAxis(jid, i, axes[i]);
for (i = 0; i < 14; i++)
for (i = 0; i < 10; i++)
{
const char value = (xis.Gamepad.wButtons & buttons[i]) ? 1 : 0;
_glfwInputJoystickButton(jid, i, value);
}
if (xis.Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_UP)
dpad |= GLFW_HAT_UP;
if (xis.Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_RIGHT)
dpad |= GLFW_HAT_RIGHT;
if (xis.Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_DOWN)
dpad |= GLFW_HAT_DOWN;
if (xis.Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_LEFT)
dpad |= GLFW_HAT_LEFT;
_glfwInputJoystickHat(jid, 0, dpad);
}
return GLFW_TRUE;