/**
* \brief Change the state of the toggle.
* \param b The new state.
* \param activator The item that activates the toggle, if any.
*/
void bear::engine::with_toggle::toggle( bool b, base_item* activator )
{
if ( b )
{
if ( !is_on() )
toggle_on( activator );
}
else if ( is_on() )
toggle_off( activator );
} // with_toggle::toggle()
LightMap LightMap::evolve() {
LightMap result(max_x,max_y);
for (unsigned int x = 0; x < max_x; x++) {
for (unsigned int y = 0; y < max_y; y++) {
if ( (!is_on(x,y)) && should_be_turned_on(x,y)) {
result.turn_on(x,y);
}
if ( (is_on(x,y)) && (!should_be_turned_off(x,y))) {
result.turn_on(x,y);
}
}
}
return result;
}
unsigned int LightMap::get_active_lights() const {
unsigned int light_count = 0;
for (unsigned int x = 0; x < max_x; x++) {
for(unsigned int y = 0; y <max_y; y++) {
if (is_on(x,y)) {
light_count++;
}
}
}
return light_count;
}
unsigned int LightMap::get_number_of_on_neighbors(unsigned int x, unsigned int y) {
unsigned int number_of_on_neighbors = 0;
for (short x_diff = (x == 0 ? 0 : -1); x_diff <= 1; x_diff++) {
for (short y_diff = (y == 0 ? 0: -1); y_diff <= 1; y_diff++) {
if ((x_diff == 0) && (y_diff==0)) {
continue;
}
unsigned int target_x = x + x_diff;
unsigned int target_y = y + y_diff;
if ((target_x >= max_x) || (target_y >= max_y)) {
continue;
}
if (is_on(target_x, target_y)) {
number_of_on_neighbors++;
}
}
}
return number_of_on_neighbors;
}
inline bool operator[](size_type w) const
{
NTA_ASSERT(w < board.size());
return is_on(w);
}
/**
* \brief Change the state of the toggle.
* \param activator The item that activates the toggle, if any.
*/
void bear::engine::with_toggle::toggle( base_item* activator )
{
toggle( !is_on(), activator );
} // with_toggle::toggle()
