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override mouse coords for dinput

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FunkyFr3sh 2024-08-07 05:58:44 +02:00
parent d71118454e
commit a17b23a5f9
1 changed files with 49 additions and 4 deletions
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53
src/directinput.c
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@ -1,6 +1,7 @@
#include <windows.h>
#include <initguid.h>
#include "directinput.h"
#include "winapi_hooks.h"
#include "debug.h"
#include "hook.h"
#include "dd.h"
@ -88,16 +89,60 @@ static HRESULT WINAPI fake_did_GetDeviceData(
HRESULT result = real_did_GetDeviceData(This, cbObjectData, rgdod, pdwInOut, dwFlags);
if (SUCCEEDED(result) && This == g_mouse_device && !g_mouse_locked && !g_config.devmode)
if (SUCCEEDED(result) && This == g_mouse_device)
{
if (pdwInOut)
if (pdwInOut && rgdod && *pdwInOut > 0 && cbObjectData > 0)
{
if (rgdod && *pdwInOut > 0 && cbObjectData > 0)
if (!g_mouse_locked && !g_config.devmode)
{
memset(rgdod, 0, *pdwInOut * cbObjectData);
*pdwInOut = 0;
}
else if (g_ddraw.width && g_ddraw.height)
{
POINT pt;
fake_GetCursorPos(&pt);
fake_SetCursorPos((g_ddraw.width / 2), (g_ddraw.height / 2));
*pdwInOut = 0;
static int x, y;
x += pt.x - (g_ddraw.width / 2);
y += pt.y - (g_ddraw.height / 2);
if (cbObjectData == sizeof(DIDEVICEOBJECTDATA_DX3))
{
LPDIDEVICEOBJECTDATA_DX3 rgdod16 = (LPDIDEVICEOBJECTDATA_DX3)rgdod;
for (int i = 0; i < *pdwInOut; i++)
{
if (rgdod16[i].dwOfs == DIMOFS_X)
{
rgdod16[i].dwData = x;
x = 0;
}
else if (rgdod16[i].dwOfs == DIMOFS_Y)
{
rgdod16[i].dwData = y;
y = 0;
}
}
}
else if (cbObjectData == sizeof(DIDEVICEOBJECTDATA))
{
for (int i = 0; i < *pdwInOut; i++)
{
if (rgdod[i].dwOfs == DIMOFS_X)
{
rgdod[i].dwData = x;
x = 0;
}
else if (rgdod[i].dwOfs == DIMOFS_Y)
{
rgdod[i].dwData = y;
y = 0;
}
}
}
}
}
}