void arrow::reset()
{
invalidate_arrow_path(previous_path_);
invalidate_arrow_path(path_);
previous_path_.clear();
path_.clear();
symbols_map_.clear();
notify_arrow_changed();
}
arrow::~arrow()
{
if (SCREEN)
{
invalidate_arrow_path(path_);
SCREEN->remove_arrow(*this);
}
}
void arrow::set_path(arrow_path_t const& path)
{
if (valid_path(path))
{
previous_path_ = path_;
path_ = path;
invalidate_arrow_path(previous_path_);
update_symbols();
notify_arrow_changed();
}
}
void arrow::hide()
{
if(hidden_)
return;
hidden_ = true;
if (SCREEN)
{
invalidate_arrow_path(path_);
SCREEN->remove_arrow(*this);
}
}
void arrow::update_symbols()
{
if (!valid_path(path_))
{
WRN_ARR << "arrow::update_symbols called with invalid path\n";
return;
}
symbols_map_.clear();
invalidate_arrow_path(path_);
std::string const mods = "~RC(FF00FF>"+ color_ + ")"; //magenta to current color
std::string const dirname = "arrows/";
map_location::DIRECTION exit_dir = map_location::NDIRECTIONS;
map_location::DIRECTION enter_dir = map_location::NDIRECTIONS;
std::string prefix = "";
std::string suffix = "";
std::string image_filename = "";
arrow_path_t::const_iterator const arrow_start_hex = path_.begin();
arrow_path_t::const_iterator const arrow_pre_end_hex = path_.end() - 2;
arrow_path_t::const_iterator const arrow_end_hex = path_.end() - 1;
bool start = false;
bool pre_end = false;
bool end = false;
bool teleport_out = false;
bool teleport_in = false;
arrow_path_t::iterator hex;
for (hex = path_.begin(); hex != path_.end(); ++hex)
{
prefix = "";
suffix = "";
image_filename = "";
start = pre_end = end = false;
// teleport in if we teleported out last hex
teleport_in = teleport_out;
teleport_out = false;
// Determine some special cases
if (hex == arrow_start_hex)
start = true;
if (hex == arrow_pre_end_hex)
pre_end = true;
else if (hex == arrow_end_hex)
end = true;
if (hex != arrow_end_hex && !tiles_adjacent(*hex, *(hex + 1)))
teleport_out = true;
// calculate enter and exit directions, if available
enter_dir = map_location::NDIRECTIONS;
if (!start && !teleport_in)
{
enter_dir = hex->get_relative_dir(*(hex-1));
}
exit_dir = map_location::NDIRECTIONS;
if (!end && !teleport_out)
{
exit_dir = hex->get_relative_dir(*(hex+1));
}
// Now figure out the actual images
if (teleport_out)
{
prefix = "teleport-out";
if (enter_dir != map_location::NDIRECTIONS)
{
suffix = map_location::write_direction(enter_dir);
}
}
else if (teleport_in)
{
prefix = "teleport-in";
if (exit_dir != map_location::NDIRECTIONS)
{
suffix = map_location::write_direction(exit_dir);
}
}
else if (start)
{
prefix = "start";
suffix = map_location::write_direction(exit_dir);
if (pre_end)
{
suffix = suffix + "_ending";
}
}
else if (end)
{
prefix = "end";
suffix = map_location::write_direction(enter_dir);
}
else
{
std::string enter, exit;
enter = map_location::write_direction(enter_dir);
exit = map_location::write_direction(exit_dir);
if (pre_end)
{
exit = exit + "_ending";
}
assert(abs(enter_dir - exit_dir) > 1); //impossible turn?
if (enter_dir < exit_dir)
{
prefix = enter;
suffix = exit;
}
else //(enter_dir > exit_dir)
{
prefix = exit;
suffix = enter;
}
}
image_filename = dirname + style_ + "/" + prefix;
if (suffix != "")
{
image_filename += ("-" + suffix);
}
image_filename += ".png";
assert(image_filename != "");
image::locator image = image::locator(image_filename, mods);
if (!image.file_exists())
{
ERR_ARR << "Image " << image_filename << " not found.\n";
image = image::locator(game_config::images::missing);
}
symbols_map_[*hex] = image;
}
}
