// Read from stream
void CShader::Read_t(CTStream *istrFile)
{
// read the dll filename and class name from the stream
CTFileName fnmDLL;
CTString strShaderFunc;
CTString strShaderInfo;
fnmDLL.ReadFromText_t(*istrFile, "Package: ");
strShaderFunc.ReadFromText_t(*istrFile, "Name: ");
strShaderInfo.ReadFromText_t(*istrFile, "Info: ");
// create name of dll
#ifndef NDEBUG
fnmDLL = _fnmApplicationExe.FileDir()+fnmDLL.FileName()+/*_strModExt+*/"D"+fnmDLL.FileExt();
#else
fnmDLL = _fnmApplicationExe.FileDir()+fnmDLL.FileName()+/*_strModExt+*/fnmDLL.FileExt();
#endif
CTFileName fnmExpanded;
ExpandFilePath(EFP_READ | EFP_NOZIPS,fnmDLL,fnmExpanded);
// set new error mode
UINT iOldErrorMode = SetErrorMode(SEM_NOOPENFILEERRORBOX|SEM_FAILCRITICALERRORS);
// load dll
hLibrary = LoadLibraryA((const char*)fnmExpanded);
// return last error mode
SetErrorMode(iOldErrorMode);
// check if library has loaded
if(hLibrary==NULL)
{
// report error
istrFile->Throw_t("Error loading '%s' library",(const char*)fnmExpanded);
return;
}
// get pointer to shader render function
ShaderFunc = (void(*)(void))GetProcAddress(hLibrary,(const char*)strShaderFunc);
// if error accured
if(ShaderFunc==NULL)
{
// report error
istrFile->Throw_t("GetProcAddress 'ShaderFunc' Error");
}
// get pointer to shader info function
GetShaderDesc = (void(*)(ShaderDesc&))GetProcAddress(hLibrary,(const char*)strShaderInfo);
// if error accured
if(GetShaderDesc==NULL) {
// report error
istrFile->Throw_t("GetProcAddress 'ShaderDesc' Error");
}
}
