/**
* @brief Handles the transitions.
*
* This functions changes the map when needed and plays the
* transitions between the two maps. This function is called
* by the update() function.
* Note that the two maps can actually be the same.
*/
void Game::update_transitions() {
if (transition != NULL) {
transition->update();
}
// if the map has just changed, close the current map if any and play an out transition
if (next_map != NULL && transition == NULL) { // the map has changed (i.e. set_current_map has been called)
if (current_map == NULL) { // special case: no map was playing, so we don't have any out transition to do
load_dungeon();
current_map = next_map;
next_map = NULL;
}
else { // normal case: stop the control and play an out transition before leaving the current map
transition = Transition::create(transition_style, Transition::OUT, this);
transition->start();
}
}
Rectangle previous_map_location = current_map->get_location();
// if a transition was playing and has just been finished
if (transition != NULL && transition->is_finished()) {
Transition::Direction transition_direction = transition->get_direction();
bool needs_previous_surface = transition->needs_previous_surface();
delete transition;
transition = NULL;
if (reseting) {
current_map->unload();
set_next_screen(new TitleScreen(solarus));
}
else if (restarting) {
current_map->unload();
set_next_screen(new Game(solarus, savegame));
}
else if (transition_direction == Transition::OUT) {
if (next_map == current_map) {
// same map
hero->place_on_destination_point(*current_map, previous_map_location);
transition = Transition::create(transition_style, Transition::IN, this);
transition->start();
next_map = NULL;
}
else {
// change the map
current_map->leave();
// special treatments for an inside/outside transition
if ((current_map->is_in_outside_world() && !next_map->is_in_outside_world())
|| (!current_map->is_in_outside_world() && next_map->is_in_outside_world())) {
// reset the crystal switch blocks
crystal_switch_state = false;
// save the location
savegame.set_integer(Savegame::STARTING_MAP, next_map->get_id());
savegame.set_string(Savegame::STARTING_POINT, next_map->get_destination_point_name());
}
// before closing the map, draw it on a backup surface for transition effects
// that want to display both maps at the same time
if (needs_previous_surface) {
previous_map_surface = new Surface(320, 240);
current_map->display();
current_map->get_visible_surface()->blit(previous_map_surface);
}
// set the next map
load_dungeon();
current_map->unload();
delete current_map;
current_map = next_map;
next_map = NULL;
}
}
else {
current_map->notify_opening_transition_finished();
if (previous_map_surface != NULL) {
delete previous_map_surface;
previous_map_surface = NULL;
}
}
}
// if a map has just been set as the current map, start it and play the in transition
if (!current_map->is_started()) {
transition = Transition::create(transition_style, Transition::IN, this);
if (previous_map_surface != NULL) {
// some transition effects need to display both maps simultaneously
transition->set_previous_surface(previous_map_surface);
}
hero->place_on_destination_point(*current_map, previous_map_location);
transition->start();
current_map->start();
}
}
void test_load() {
player_descr* pc = malloc(sizeof(player_descr));
FILE* example = fopen("example.txt", "r");
dungeon* d = load_dungeon(example, pc);
destroy_dungeon(d);
}
