Function ImportFile

source/asset_importer.cpp:564–613

// ***********************************************************************

int ImportFile(Arena* pScratchArena, u8 format, String source, String output) {

	NormalizePath(source);
	NormalizePath(output);

	Log::Info("Importing %S", source);

	if (FileExists(source)) {
		// check we've been given a valid output filename
		if (output[output.length-1] == '/' || output[output.length-1] == '\\' || TakeAfterLastDot(output) == "") {
			Log::Warn("Please give a valid filename as an output %S", output);
			return -1;
		}

		// Create a lua state, seems a bit odd here I know, but the serialization code is designed to work
		// on lua tables, and so we're just using the lua state to hold those tables, won't actually run any lua code really
		lua_State* L = lua_newstate(LuaAllocator, nullptr);
		BindSerialization(L);
		BindUserData(L);

		String outputFilepath = TempPrint("system/%S", output);

		// Actually do the import, depending on the file type
		String extension = TakeAfterLastDot(source);
		if (extension == "gltf") {
			if (!ImportGltf(pScratchArena, L, format, source)) {
				return -1;
			} 
		}
		else if (extension == "png") {
			Log::Warn("TODO: implement png import");
			return -1;
		}
		else {
			Log::Warn("Unsupported filename give as input: %S", source);
			return -1;
		}

		// after import the result table will be left on the stack
		// so we can write it out now
		WriteLuaTableToFile(L, format, outputFilepath);
		lua_pop(L, 1); // pop the asset off the stack
	}
	else {
		Log::Warn("Source input does not exist");
		return -1;
	}

	return 0;
}

};