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Code Issues Projects Releases Activity

fix cursor lock for some dinput games

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FunkyFr3sh 2021-06-15 02:21:44 +02:00
parent 7e4227f6de
commit 4bb1cffee7
2 changed files with 36 additions and 1 deletions
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1
inc/directinput.h
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@ -12,6 +12,7 @@ typedef HRESULT(WINAPI* DICREATEDEVICEPROC)(IDirectInputA*, REFGUID, LPDIRECTINP
typedef HRESULT(WINAPI* DICREATEDEVICEEXPROC)(IDirectInputA*, REFGUID, REFIID, LPDIRECTINPUTDEVICEA*, LPUNKNOWN);
typedef HRESULT(WINAPI* DIDSETCOOPERATIVELEVELPROC)(IDirectInputDeviceA*, HWND, DWORD);
typedef HRESULT(WINAPI* DIDGETDEVICEDATAPROC)(IDirectInputDeviceA*, DWORD, LPDIDEVICEOBJECTDATA, LPDWORD, DWORD);
typedef HRESULT(WINAPI* DIDGETDEVICESTATEPROC)(IDirectInputDeviceA*, DWORD, LPVOID);
extern DIRECTINPUTCREATEAPROC real_DirectInputCreateA;
extern DIRECTINPUTCREATEWPROC real_DirectInputCreateW;

36
src/directinput.c
View File

@ -16,6 +16,7 @@ static DICREATEDEVICEPROC real_di_CreateDevice;
static DICREATEDEVICEEXPROC real_di_CreateDeviceEx;
static DIDSETCOOPERATIVELEVELPROC real_did_SetCooperativeLevel;
static DIDGETDEVICEDATAPROC real_did_GetDeviceData;
static DIDGETDEVICESTATEPROC real_did_GetDeviceState;
static PROC hook_func(PROC* org_func, PROC new_func)
{
@ -53,7 +54,32 @@ static HRESULT WINAPI fake_did_GetDeviceData(
if (SUCCEEDED(result) && g_ddraw && !g_ddraw->locked)
{
*pdwInOut = 0;
if (pdwInOut)
{
if (rgdod && *pdwInOut > 0 && cbObjectData > 0)
{
memset(rgdod, 0, *pdwInOut * cbObjectData);
}
*pdwInOut = 0;
}
}
return result;
}
static HRESULT WINAPI fake_did_GetDeviceState(IDirectInputDeviceA* This, DWORD cbData, LPVOID lpvData)
{
//TRACE("DirectInput GetDeviceState\n");
HRESULT result = real_did_GetDeviceState(This, cbData, lpvData);
if (SUCCEEDED(result) && g_ddraw && !g_ddraw->locked)
{
if (cbData > 0 && lpvData)
{
memset(lpvData, 0, cbData);
}
}
return result;
@ -78,6 +104,10 @@ static HRESULT WINAPI fake_di_CreateDevice(
real_did_GetDeviceData =
(DIDGETDEVICEDATAPROC)hook_func(
(PROC*)&(*lplpDIDevice)->lpVtbl->GetDeviceData, (PROC)fake_did_GetDeviceData);
real_did_GetDeviceState =
(DIDGETDEVICESTATEPROC)hook_func(
(PROC*)&(*lplpDIDevice)->lpVtbl->GetDeviceState, (PROC)fake_did_GetDeviceState);
}
return result;
@ -103,6 +133,10 @@ static HRESULT WINAPI fake_di_CreateDeviceEx(
real_did_GetDeviceData =
(DIDGETDEVICEDATAPROC)hook_func(
(PROC*)&(*lplpDIDevice)->lpVtbl->GetDeviceData, (PROC)fake_did_GetDeviceData);
real_did_GetDeviceState =
(DIDGETDEVICESTATEPROC)hook_func(
(PROC*)&(*lplpDIDevice)->lpVtbl->GetDeviceState, (PROC)fake_did_GetDeviceState);
}
return result;