Method refreshUnitVision

game/state/battle/battleunit.cpp:612–709

}

void BattleUnit::refreshUnitVision(GameState &state, bool forceBlind,
                                   StateRef<BattleUnit> targetUnit)
{
	auto &battle = *state.current_battle;
	auto lastVisibleUnits = visibleUnits;
	auto ticks = state.gameTime.getTicks();
	visibleUnits.clear();
	visibleEnemies.clear();

	// Vision is actually updated only if conscious, otherwise we clear visible units and that's it
	if (isConscious())
	{
		if (!targetUnit)
		{
			if (!forceBlind)
			{
				calculateVisionToTerrain(state);
				calculateVisionToUnits(state);
			}
		}
		else
		{
			visibleUnits = lastVisibleUnits;
			if (!forceBlind && calculateVisionToUnit(state, *targetUnit))
			{
				if (visibleUnits.find(targetUnit) == visibleUnits.end())
				{
					visibleUnits.insert(targetUnit);
				}
			}
			else
			{
				if (visibleUnits.find(targetUnit) != visibleUnits.end())
				{
					visibleUnits.erase(targetUnit);
				}
			}
		}
	}

	// Add newly visible units to owner's list and enemy list
	for (auto &vu : visibleUnits)
	{
		// owner's visible units list
		if (lastVisibleUnits.find(vu) == lastVisibleUnits.end() &&
		    battle.visibleUnits[owner].find(vu) == battle.visibleUnits[owner].end())
		{
			battle.visibleUnits[owner].insert(vu);
			if (owner == state.current_battle->currentPlayer &&
			    owner->isRelatedTo(vu->owner) == Organisation::Relation::Hostile &&
			    (battle.lastVisibleTime[owner].find(vu) == battle.lastVisibleTime[owner].end() ||
			     battle.lastVisibleTime[owner][vu] + TICKS_SUPPRESS_SPOTTED_MESSAGES <= ticks))
			{
				vu->sendAgentEvent(state, GameEventType::HostileSpotted);
				state.current_battle->notifyAction(vu->position, vu);
			}
		}
		// battle and units's visible enemies list (Do not count civilians as enemy)