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Added joystick emulation

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This commit is contained in:
TomW 2014-06-08 13:45:26 +01:00
commit 4cb7d58d53
7 changed files with 293 additions and 2 deletions
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130
src/win-joystick.cc Normal file
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#include <dinput.h>
#include "plat-joystick.h"
#include "plat-dinput.h"
#include "win.h"
extern "C" int video_fullscreen;
extern "C" void fatal(const char *format, ...);
extern "C" void pclog(const char *format, ...);
extern "C" void joystick_init();
extern "C" void joystick_close();
extern "C" void poll_joystick();
joystick_t joystick_state[2];
static LPDIRECTINPUTDEVICE2 lpdi_joystick[2] = {NULL, NULL};
int joysticks_present = 0;
static GUID joystick_guids[2];
static BOOL CALLBACK joystick_enum_callback(LPCDIDEVICEINSTANCE lpddi, LPVOID data)
{
if (joysticks_present >= 2)
return DIENUM_STOP;
pclog("joystick_enum_callback : found joystick %i : %s\n", joysticks_present, lpddi->tszProductName);
joystick_guids[joysticks_present++] = lpddi->guidInstance;
if (joysticks_present >= 2)
return DIENUM_STOP;
return DIENUM_CONTINUE;
}
void joystick_init()
{
int c;
atexit(joystick_close);
joysticks_present = 0;
if (FAILED(lpdi->EnumDevices(DIDEVTYPE_JOYSTICK, joystick_enum_callback, NULL, DIEDFL_ATTACHEDONLY)))
fatal("joystick_init : EnumDevices failed\n");
pclog("joystick_init: joysticks_present=%i\n", joysticks_present);
for (c = 0; c < joysticks_present; c++)
{
LPDIRECTINPUTDEVICE lpdi_joystick_temp = NULL;
DIPROPRANGE joy_axis_range;
if (FAILED(lpdi->CreateDevice(joystick_guids[c], &lpdi_joystick_temp, NULL)))
fatal("joystick_init : CreateDevice failed\n");
if (FAILED(lpdi_joystick_temp->QueryInterface(IID_IDirectInputDevice2, (void **)&lpdi_joystick[c])))
fatal("joystick_init : CreateDevice failed\n");
lpdi_joystick_temp->Release();
if (FAILED(lpdi_joystick[c]->SetCooperativeLevel(ghwnd, DISCL_BACKGROUND | DISCL_NONEXCLUSIVE)))
fatal("joystick_init : SetCooperativeLevel failed\n");
if (FAILED(lpdi_joystick[c]->SetDataFormat(&c_dfDIJoystick)))
fatal("joystick_init : SetDataFormat failed\n");
joy_axis_range.lMin = -32768;
joy_axis_range.lMax = 32767;
joy_axis_range.diph.dwSize = sizeof(DIPROPRANGE);
joy_axis_range.diph.dwHeaderSize = sizeof(DIPROPHEADER);
joy_axis_range.diph.dwObj = DIJOFS_X;
joy_axis_range.diph.dwHow = DIPH_BYOFFSET;
lpdi_joystick[c]->SetProperty(DIPROP_RANGE, &joy_axis_range.diph);
joy_axis_range.lMin = -32768;
joy_axis_range.lMax = 32767;
joy_axis_range.diph.dwSize = sizeof(DIPROPRANGE);
joy_axis_range.diph.dwHeaderSize = sizeof(DIPROPHEADER);
joy_axis_range.diph.dwObj = DIJOFS_Y;
joy_axis_range.diph.dwHow = DIPH_BYOFFSET;
lpdi_joystick[c]->SetProperty(DIPROP_RANGE, &joy_axis_range.diph);
if (FAILED(lpdi_joystick[c]->Acquire()))
fatal("joystick_init : Acquire failed\n");
}
}
void joystick_close()
{
if (lpdi_joystick[1])
{
lpdi_joystick[1]->Release();
lpdi_joystick[1] = NULL;
}
if (lpdi_joystick[0])
{
lpdi_joystick[0]->Release();
lpdi_joystick[0] = NULL;
}
}
void poll_joystick()
{
int c;
for (c = 0; c < joysticks_present; c++)
{
DIJOYSTATE joystate;
if (FAILED(lpdi_joystick[c]->Poll()))
{
lpdi_joystick[c]->Acquire();
lpdi_joystick[c]->Poll();
}
if (FAILED(lpdi_joystick[c]->GetDeviceState(sizeof(DIJOYSTATE), (LPVOID)&joystate)))
{
lpdi_joystick[c]->Acquire();
lpdi_joystick[c]->Poll();
lpdi_joystick[c]->GetDeviceState(sizeof(DIJOYSTATE), (LPVOID)&joystate);
}
joystick_state[c].x = joystate.lX;
joystick_state[c].y = joystate.lY;
joystick_state[c].b[0] = joystate.rgbButtons[0] & 0x80;
joystick_state[c].b[1] = joystate.rgbButtons[1] & 0x80;
joystick_state[c].b[2] = joystate.rgbButtons[2] & 0x80;
joystick_state[c].b[3] = joystate.rgbButtons[3] & 0x80;
pclog("joystick %i - x=%i y=%i b[0]=%i b[1]=%i %i\n", c, joystick_state[c].x, joystick_state[c].y, joystick_state[c].b[0], joystick_state[c].b[1], joysticks_present);
}
}