bool Creature::sees( const tripoint &t, bool is_player ) const
{
if( !fov_3d && posz() != t.z ) {
return false;
}
const int range_cur = sight_range( g->m.ambient_light_at( t ) );
const int range_day = sight_range( DAYLIGHT_LEVEL );
const int range_night = sight_range( 0 );
const int range_max = std::max( range_day, range_night );
const int range_min = std::min( range_cur, range_max );
const int wanted_range = rl_dist( pos(), t );
if( wanted_range <= range_min ||
( wanted_range <= range_max &&
g->m.ambient_light_at( t ) > g->natural_light_level( t.z ) ) ) {
int range = 0;
if( g->m.ambient_light_at( t ) > g->natural_light_level( t.z ) ) {
range = wanted_range;
} else {
range = range_min;
}
if( is_player ) {
// Special case monster -> player visibility, forcing it to be symmetric with player vision.
return range >= wanted_range &&
g->m.get_cache_ref(pos().z).seen_cache[pos().x][pos().y] > LIGHT_TRANSPARENCY_SOLID;
} else {
return g->m.sees( pos(), t, range );
}
} else {
return false;
}
}
bool Creature::sees( const tripoint &t, int &bresen1, int &bresen2 ) const
{
// TODO: FoV update
bresen2 = 0;
if( posz() != t.z ) {
return false;
}
const int range_cur = sight_range( g->m.ambient_light_at(t) );
const int range_day = sight_range( DAYLIGHT_LEVEL );
const int range_min = std::min( range_cur, range_day );
const int wanted_range = rl_dist( pos3(), t );
if( wanted_range <= range_min ||
( wanted_range <= range_day &&
g->m.ambient_light_at( t ) > g->natural_light_level() ) ) {
if( g->m.ambient_light_at( t ) > g->natural_light_level() ) {
return g->m.sees( pos3(), t, wanted_range, bresen1, bresen2 );
} else {
return g->m.sees( pos3(), t, range_min, bresen1, bresen2 );
}
} else {
return false;
}
}
