float map::ambient_light_at( const tripoint &p ) const
{
if( !inbounds( p ) ) {
return 0.0f;
}
return get_cache_ref( p.z ).lm[p.x][p.y];
}
bool map::pl_line_of_sight( const tripoint &t, const int max_range ) const
{
if( !inbounds( t ) ) {
return false;
}
if( max_range >= 0 && square_dist( t, g->u.pos() ) > max_range ) {
// Out of range!
return false;
}
const auto &map_cache = get_cache_ref( t.z );
// Any epsilon > 0 is fine - it means lightmap processing visited the point
return map_cache.seen_cache[t.x][t.y] > 0.0f;
}
bool map::pl_sees( const tripoint &t, const int max_range ) const
{
if( !inbounds( t ) ) {
return false;
}
if( max_range >= 0 && square_dist( t, g->u.pos() ) > max_range ) {
return false; // Out of range!
}
const auto &map_cache = get_cache_ref( t.z );
return map_cache.seen_cache[t.x][t.y] > LIGHT_TRANSPARENCY_SOLID + 0.1 &&
( map_cache.seen_cache[t.x][t.y] * map_cache.lm[t.x][t.y] >
g->u.get_vision_threshold( map_cache.lm[g->u.posx()][g->u.posy()] ) ||
map_cache.sm[t.x][t.y] > 0.0 );
}
lit_level map::light_at( const tripoint &p ) const
{
if( !inbounds( p ) ) {
return LL_DARK; // Out of bounds
}
const auto &map_cache = get_cache_ref( p.z );
const auto &lm = map_cache.lm;
const auto &sm = map_cache.sm;
if (sm[p.x][p.y] >= LIGHT_SOURCE_BRIGHT) {
return LL_BRIGHT;
}
if (lm[p.x][p.y] >= LIGHT_AMBIENT_LIT) {
return LL_LIT;
}
if (lm[p.x][p.y] >= LIGHT_AMBIENT_LOW) {
return LL_LOW;
}
return LL_DARK;
}
float map::light_transparency( const tripoint &p ) const
{
return get_cache_ref( p.z ).transparency_cache[p.x][p.y];
}
