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#include "AppHdr.h"
#include "actor.h"
#include "coord.h"
#include "god-passive.h"
#include "los-type.h"
#include "losglobal.h"
#include "state.h"
bool actor::observable() const
{
return crawl_state.game_is_arena() || is_player() || you.can_see(*this);
}
bool actor::see_cell(const coord_def &p) const
{
if (!in_bounds(pos()))
return false; // actor is off the map
return cell_see_cell(pos(), p, LOS_DEFAULT);
}
bool player::see_cell(const coord_def &p) const
{
if (!map_bounds(p))
return false; // Players can't see (-1,-1) but maybe can see (0,0).
if (crawl_state.game_is_arena() || crawl_state.arena_suspended)
return true;
if (!on_current_level)
return false;
if (!in_bounds(pos()))
return false; // A non-arena player at (0,0) can't see anything.
if (wizard_vision || you.duration[DUR_REVELATION])
return (pos() - p).rdist() <= current_vision;
return actor::see_cell(p);
}
bool actor::can_see(const actor &target) const
{
return target.visible_to(this) && see_cell(target.pos());
}
bool actor::see_cell_no_trans(const coord_def &p) const
{
return cell_see_cell(pos(), p, LOS_NO_TRANS);
}
bool player::trans_wall_blocking(const coord_def &p) const
{
return see_cell(p) && !see_cell_no_trans(p);
}
bool player::can_see(const actor& a) const
{
if (crawl_state.game_is_arena() || crawl_state.arena_suspended)
return see_cell(a.pos());
else
return actor::can_see(a);
}
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