////////////////////////////////////////////////////////////
/// Construit le shader à partir des 2 fichiers
/// <name>.vert
/// <name>.frag
///
/// \param shaderFile_ : fichier vertex shader : <name>.vertexshader
///
////////////////////////////////////////////////////////////
GLShader::GLShader(IFile *pFile_)
{
std::string fragmentFile = pFile_->Filename();
size_t pos = fragmentFile.find(IRenderer::Get().GetShaderFileExtension());
if (pos != std::string::npos)
{
fragmentFile = fragmentFile.substr(0, pos) + ".frag";
IFile *pFragFile = MediaManager::Instance().FindMedia(fragmentFile, false);
if (pFragFile == nullptr)
{
throw CLoadingFailed(fragmentFile, "GLShader() : Can't find the fragment shader (maybe add a reference to the right directory ?)");
}
if (pFragFile->Exists() == false)
{
throw CLoadingFailed(fragmentFile, "GLShader() : The fragment shader doesn't exist");
}
m_ProgramID = LoadShaderFrombuffer(pFile_->GetBuffer(), pFragFile->GetBuffer());
DELETE_AO pFragFile;
}
else
{
CA_ERROR("GLShader() : Can't find the character '%s' in the filename '%s' to get the fragment shader.",
IRenderer::Get().GetShaderFileExtension(), pFile_->Filename().c_str());
}
}
/////////////////////////////////////////////////////////////
/// Cherche un fichier dans les répertoires de recherche
///
/// \param Filename : Chemin du media
///
/// \return Chemin complet du media, exception si non trouvé
///
////////////////////////////////////////////////////////////
IFile *MediaManager::FindMedia(const char *fileName_, bool isBinary_) const
{
for (std::set<std::string>::const_iterator i = m_Paths.begin();
i != m_Paths.end();
++i)
{
std::string path = m_RootPath + *i + fileName_;
//TODO : set if open in BINARY MODE or not
IFile *pRetFile = IOManager::OpenFile(path, FileMode::READ | (isBinary_ == true ? FileMode::BINARY : 0));
if (pRetFile->Exists() == true)
{
return pRetFile;
}
else
{
DELETE_AO pRetFile;
}
}
return nullptr;
}