Effects effectAllFromFile(const filesys::path& file) {
filesys::path ending[3] = { "material_fx", "scene_fx", "fxh" };
uint32 effecttype = 0;
if (std::equal(ending[0].rbegin(), ending[0].rend(), file.rbegin())) {
effecttype = EffectType::MATERIAL_FX;
}
else if (std::equal(ending[1].rbegin(), ending[1].rend(), file.rbegin())) {
effecttype = EffectType::SCENE_FX;
}
else if (std::equal(ending[2].rbegin(), ending[2].rend(), file.rbegin())) {
effecttype = EffectType::FXHeader;
}
else {
//< this file will not contain an effect -> but we do not print an error, because the underlying filesystem-iterator can't decide so
//< this function will be called for each file in the directory
return Effects();
}
Effects eff;
//Read in source
IFileStream stream(file.c_str(), std::ios::in);
if (!stream.is_open()) {
LOG_ERROR(General, "Cant open file for reading (%s).", file.c_str());
return eff;
}
String source = slurp(stream);
uint32 bufferSize = sizeof(EffectSpec) + (source.size() + 1) * sizeof(String::value_type);
union {
Byte* eff_buffer;
EffectSpec* effect;
UIntOfPtrSize location;
};
eff_buffer = new Byte[bufferSize];
std::memset(eff_buffer, 0, bufferSize);
effect->__effectSourceLocation = location + sizeof(EffectSpec);
effect->effectType = effecttype;
effect->uuid = generateUUID();
filesys::path name = filesys::stem(file) + filesys::extension(file);
std::strncpy(effect->name, name.c_str(), EffectSpec::MaxEffectName);
std::strncpy(effect->effectSource, source.c_str(), source.length());
//LOG_INFO(General, "Source-length: %d Bytes", std::strlen(effect->effectSource));
eff.push_back(effect);
return eff;
}
Shader::Effect& Shader::Access(const String& name)
{
return Effects()[name];
}
