Files
segatools/games/apm3io/di-dev.c

84 lines
1.7 KiB
C

#include <windows.h>
#include <dinput.h>
#include <assert.h>
#include "apm3io/di-dev.h"
#include "util/dprintf.h"
HRESULT apm3_di_dev_start(IDirectInputDevice8W *dev, HWND wnd)
{
HRESULT hr;
assert(dev != NULL);
assert(wnd != NULL);
hr = IDirectInputDevice8_SetCooperativeLevel(
dev,
wnd,
DISCL_BACKGROUND | DISCL_EXCLUSIVE);
if (FAILED(hr)) {
dprintf("DirectInput: SetCooperativeLevel failed: %08x\n", (int) hr);
return hr;
}
hr = IDirectInputDevice8_SetDataFormat(dev, &c_dfDIJoystick);
if (FAILED(hr)) {
dprintf("DirectInput: SetDataFormat failed: %08x\n", (int) hr);
return hr;
}
hr = IDirectInputDevice8_Acquire(dev);
if (FAILED(hr)) {
dprintf("DirectInput: Acquire failed: %08x\n", (int) hr);
return hr;
}
return hr;
}
HRESULT apm3_di_dev_poll(
IDirectInputDevice8W *dev,
HWND wnd,
union apm3_di_state *out)
{
HRESULT hr;
MSG msg;
assert(dev != NULL);
assert(wnd != NULL);
assert(out != NULL);
memset(out, 0, sizeof(*out));
/* Pump our dummy window's message queue just in case DirectInput or an
IHV DirectInput driver somehow relies on it */
while (PeekMessageW(&msg, wnd, 0, 0, PM_REMOVE)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
hr = IDirectInputDevice8_GetDeviceState(
dev,
sizeof(out->st),
&out->st);
if (FAILED(hr)) {
dprintf("DirectInput: GetDeviceState error: %08x\n", (int) hr);
}
/* JVS lacks a protocol for reporting hardware errors from poll command
responses, so this ends up returning zeroed input state instead. */
return hr;
}