bool ReadScriptDescriptor::ExecuteFunction(const ScriptObject& object) {
if (IsFileOpen() == false) {
IF_PRINT_WARNING(SCRIPT_DEBUG) << "function invoked when the file was not open: " << _filename << endl;
return false;
}
if (object.is_valid() == false) {
IF_PRINT_WARNING(SCRIPT_DEBUG) << "tried to execute function with an invalid object for file: " << _filename << endl;
return false;
}
try {
ScriptCallFunction<void>(object);
}
catch(luabind::error e) {
IF_PRINT_WARNING(SCRIPT_DEBUG) << "caught Luabind error while trying to execute script object in file: "
<< _filename << endl;
ScriptManager->HandleLuaError(e);
return false;
}
return true;
}
bool MapMode::_Load()
{
// Map data
// Clear out all old map data if existing.
ScriptManager->DropGlobalTable("map_data");
// Open map script file and read in the basic map properties and tile definitions
if(!_map_script.OpenFile(_map_data_filename)) {
PRINT_ERROR << "Couldn't open map data file: "
<< _map_data_filename << std::endl;
return false;
}
if(!_map_script.OpenTable("map_data")) {
PRINT_ERROR << "Couldn't open table 'map_data' in: "
<< _map_data_filename << std::endl;
_map_script.CloseFile();
return false;
}
// Loads the collision grid
if(!_object_supervisor->Load(_map_script)) {
PRINT_ERROR << "Failed to load the collision grid from: "
<< _map_data_filename << std::endl;
_map_script.CloseFile();
return false;
}
// Instruct the supervisor classes to perform their portion of the load operation
if(!_tile_supervisor->Load(_map_script)) {
PRINT_ERROR << "Failed to load the tile data from: "
<< _map_data_filename << std::endl;
_map_script.CloseFile();
return false;
}
_map_script.CloseAllTables();
_map_script.CloseFile(); // Free the map data file once everyhting is loaded
// Map script
_map_script_tablespace = ScriptEngine::GetTableSpace(_map_script_filename);
if(_map_script_tablespace.empty()) {
PRINT_ERROR << "Invalid map script namespace in: "
<< _map_script_filename << std::endl;
return false;
}
// Clear out all old map data if existing.
ScriptManager->DropGlobalTable(_map_script_tablespace);
// Open map script file and read in the basic map properties and tile definitions
if(!_map_script.OpenFile(_map_script_filename)) {
PRINT_ERROR << "Couldn't open map script file: "
<< _map_script_filename << std::endl;
return false;
}
if(_map_script.OpenTablespace().empty()) {
PRINT_ERROR << "Couldn't open map script namespace in: "
<< _map_script_filename << std::endl;
_map_script.CloseFile();
return false;
}
// Loads the map image and translated location names.
// Test for empty strings to never trigger the default gettext msg string
// which contains translation info.
std::string map_hud_name = _map_script.ReadString("map_name");
_map_hud_name.SetText(map_hud_name.empty() ? ustring() : UTranslate(map_hud_name),
TextStyle("map_title"));
std::string map_hud_subname = _map_script.ReadString("map_subname");
_map_hud_subname.SetText(map_hud_subname.empty() ? ustring() : UTranslate(map_hud_subname),
TextStyle("title24"));
std::string map_image_filename = _map_script.ReadString("map_image_filename");
if(!map_image_filename.empty() && !_map_image.Load(map_image_filename))
PRINT_ERROR << "Failed to load location graphic image: "
<< map_image_filename << std::endl;
// Load map default music
// NOTE: Other audio handling will be handled through scripting
_music_filename = _map_script.ReadString("music_filename");
if(!_music_filename.empty() && !AudioManager->LoadMusic(_music_filename, this))
PRINT_WARNING << "Failed to load map music: " << _music_filename << std::endl;
else if (!_music_filename.empty())
_audio_state = AUDIO_STATE_PLAYING; // Set the default music state to "playing".
// Call the map script's custom load function and get a reference to all other script function pointers
ScriptObject map_table(luabind::from_stack(_map_script.GetLuaState(), vt_script::private_script::STACK_TOP));
ScriptObject function = map_table["Load"];
bool loading_succeeded = true;
if(function.is_valid()) {
try {
ScriptCallFunction<void>(function, this);
} catch(const luabind::error &e) {
ScriptManager->HandleLuaError(e);
loading_succeeded = false;
} catch(const luabind::cast_failed &e) {
ScriptManager->HandleCastError(e);
loading_succeeded = false;
}
} else {
loading_succeeded = false;
}
if(!loading_succeeded) {
PRINT_ERROR << "Invalid map Load() function in "
<< _map_script_filename
<< ". The function wasn't called."
<< std::endl;
_map_script.CloseAllTables();
_map_script.CloseFile();
return false;
}
_update_function = _map_script.ReadFunctionPointer("Update");
_map_script.CloseAllTables();
_map_script.CloseFile(); // Free the map script file once everything is loaded
return true;
} // bool MapMode::_Load()