Method updateProjectiles

game/state/battle/battle.cpp:1356–1421

}

void Battle::updateProjectiles(GameState &state, unsigned int ticks)
{
	for (auto it = this->projectiles.begin(); it != this->projectiles.end();)
	{
		auto p = *it++;
		p->update(state, ticks);
	}
	// Since projectiles can kill projectiles just kill everyone in the end
	std::set<std::tuple<sp<Projectile>, bool, bool>> deadProjectiles;
	for (auto &p : projectiles)
	{
		notifyAction(p->position);
		auto c = p->checkProjectileCollision(*map);
		if (c)
		{
			// Alert intended unit that he's on fire
			auto unit = c.projectile->trackedUnit;
			if (unit)
			{
				unit->notifyUnderFire(state, c.projectile->firerPosition,
				                      c.projectile->firerUnit->owner == unit->owner ||
				                          visibleUnits[unit->owner].find(c.projectile->firerUnit) !=
				                              visibleUnits[unit->owner].end());
			}
			// Handle collision
			bool playSound = true;
			bool displayDoodad = true;
			if (c.projectile->damageType->explosive)
			{
				displayDoodad = false;
			}
			else
			{
				switch (c.obj->getType())
				{
					case TileObject::Type::Unit:
					{
						auto unit =
						    std::static_pointer_cast<TileObjectBattleUnit>(c.obj)->getUnit();
						displayDoodad = !unit->handleCollision(state, c);
						playSound = false;
						break;
					}
					case TileObject::Type::Ground:
					case TileObject::Type::LeftWall:
					case TileObject::Type::RightWall:
					case TileObject::Type::Feature:
					{
						auto mapPartTile = std::static_pointer_cast<TileObjectBattleMapPart>(c.obj);
						displayDoodad = !mapPartTile->getOwner()->handleCollision(state, c);
						playSound = displayDoodad;
						break;
					}
					default:
						LogError("Collision with non-collidable object");
				}
			}
			deadProjectiles.emplace(c.projectile->shared_from_this(), displayDoodad, playSound);