private IntPtr LoadExternalFunction(IntPtr ptrDll, string strFunction)
{
var ptrFunction = Define.GetProcAddress(ptrDll, strFunction);
if (ptrFunction == IntPtr.Zero)
{
return(IntPtr.Zero); //Error check this
}
return(ptrFunction);
}
private void Form1_Load(object sender, EventArgs e)
{
_useRumble = true;
_cm = new CronusMaxPlus.Define();
_output = new CronusMaxPlus.Output(_cm);
_gamepad = new XInput.Gamepad();
if (!new CronusMaxPlus.CmPlus(_cm).Init())
{
// Return an error string and see whats going on.
MessageBox.Show(@"Error opening API");
return;
}
_cm.Load();
/*
* I'm putting this in a timer for simplicity. If you're building a game loop, put it in an update thread.
*/
timer1.Enabled = true;
}
public CmPlus(Define define)
{
_cm = define;
}
public bool Init()
{
const string api = "gcdapi.dll";
if (!File.Exists(api))
{
return(false);
}
var ptrDll = Define.LoadLibrary(api);
if (ptrDll == IntPtr.Zero)
{
return(false);
}
var ptrLoad = LoadExternalFunction(ptrDll, "gcdapi_Load");
if (ptrLoad == IntPtr.Zero)
{
return(false);
}
var ptrIsConnected = LoadExternalFunction(ptrDll, "gcapi_IsConnected");
if (ptrIsConnected == IntPtr.Zero)
{
return(false);
}
var ptrUnload = LoadExternalFunction(ptrDll, "gcdapi_Unload");
if (ptrUnload == IntPtr.Zero)
{
return(false);
}
var ptrGetTimeVal = LoadExternalFunction(ptrDll, "gcapi_GetTimeVal");
if (ptrGetTimeVal == IntPtr.Zero)
{
return(false);
}
var ptrGetFwVer = LoadExternalFunction(ptrDll, "gcapi_GetFWVer");
if (ptrGetFwVer == IntPtr.Zero)
{
return(false);
}
var ptrWrite = LoadExternalFunction(ptrDll, "gcapi_Write");
if (ptrWrite == IntPtr.Zero)
{
return(false);
}
var ptrRead = LoadExternalFunction(ptrDll, "gcapi_Read");
if (ptrRead == IntPtr.Zero)
{
return(false);
}
var ptrWriteEx = IntPtr.Zero; //Refer to the CM api for these
var ptrReadEx = IntPtr.Zero;
var ptrCalcPressTime = LoadExternalFunction(ptrDll, "gcapi_CalcPressTime");
if (ptrCalcPressTime == IntPtr.Zero)
{
return(false);
}
try
{
_cm.Load = (Define.GcapiLoad)Marshal.GetDelegateForFunctionPointer(ptrLoad, typeof(Define.GcapiLoad));
_cm.IsConnected = (Define.GcapiIsConnected)Marshal.GetDelegateForFunctionPointer(ptrIsConnected, typeof(Define.GcapiIsConnected));
_cm.Unload = (Define.GcapiUnload)Marshal.GetDelegateForFunctionPointer(ptrUnload, typeof(Define.GcapiUnload));
_cm.GetTimeVal = (Define.GcapiGetTimeVal)Marshal.GetDelegateForFunctionPointer(ptrGetTimeVal, typeof(Define.GcapiGetTimeVal));
_cm.GetFwVer = (Define.GcapiGetFwVer)Marshal.GetDelegateForFunctionPointer(ptrGetFwVer, typeof(Define.GcapiGetFwVer));
_cm.Write = (Define.GcapiWrite)Marshal.GetDelegateForFunctionPointer(ptrWrite, typeof(Define.GcapiWrite));
_cm.Read = (Define.GcapiRead)Marshal.GetDelegateForFunctionPointer(ptrRead, typeof(Define.GcapiRead));
_cm.CalcPressTime = (Define.GcapiCalcPressTime)Marshal.GetDelegateForFunctionPointer(ptrCalcPressTime, typeof(Define.GcapiCalcPressTime));
}
catch (Exception ex)
{
//return ex.Message.ToString();
return(false);
}
return(true);
}
