Method CreateOsirisSymbolMap

OsiInterface/CustomFunctions.cpp:290–324

}

void CustomFunctionInjector::CreateOsirisSymbolMap(MappingInfo ** Mappings, uint32_t * MappingCount)
{
	// Create a map of Osiris symbols
	osiSymbols_.clear();
	osiSymbols_.reserve(10000);

	std::unordered_map<FunctionNameAndArity, uint32_t> symbolMap;
	auto funcs = *gOsirisProxy->GetGlobals().Functions;
	auto visit = [&symbolMap, this](STDString const & str, Function * func) {
		OsiSymbolInfo symbol;
		OsiFunctionToSymbolInfo(*func, symbol);

		FunctionNameAndArity sig{ symbol.name, (uint32_t)symbol.params.size() };
		symbolMap.insert(std::make_pair(sig, (uint32_t)osiSymbols_.size()));

		osiSymbols_.push_back(std::move(symbol));
	};

	for (auto i = 0; i < 0x3ff; i++) {
		auto map = funcs->Hash[i].NodeMap;
		map.Iterate(visit);
	}

	// Map EoC function indices to Osiris functions
	for (unsigned i = 0; i < *MappingCount; i++) {
		auto const & mapping = (*Mappings)[i];
		FunctionNameAndArity sig{ mapping.Name, mapping.NumParams };
		auto it = symbolMap.find(sig);
		if (it != symbolMap.end()) {
			osiSymbols_[it->second].EoCFunctionId = mapping.Id;
		} else {
			Debug("No Osiris definition found for engine function %s/%d", mapping.Name, mapping.NumParams);
		}
	}
}

void CustomFunctionInjector::OnAfterGetFunctionMappings(void * Osiris, MappingInfo ** Mappings, uint32_t * MappingCount)
{