automatically attacking hostle units

Assets/Scripts/GameObjects/Units/unitData.lua

@@ -63,7 +63,7 @@ units = {
 		cost = 500,
 		size = {x = 2.9, y = 8.22, z = 2.42},
 		hitboxOffset = {x = 0, y = 0, z = 0},
-		lineOfSight = 5,
+		lineOfSight = 20,
 		name = 'War mech',
 		basePath = PATH .. vehiclePrefix .. 'WarMechs/',
 		meshPath = 'warMech.xml',

unit.cpp

@@ -295,12 +295,32 @@ namespace battleship{
         }
 	}
 
+	void Unit::targetUnitsAutomatically(){
+		vector<Player*> players = Game::getSingleton()->getPlayers();
+		vector<Unit*> units;
+
+		for(Player *pl : players)
+			if(!(pl == player || pl->getTeam() == player->getTeam())){
+				vector<Unit*> un = pl->getUnits();
+				units.insert(units.end(), un.begin(), un.end());
+			}
+
+		if(orders.empty())
+			for(Unit *unit : units)
+				if(unit->getPos().getDistanceFrom(pos) < lineOfSight){
+					setOrder(Order(Order::TYPE::ATTACK, vector<Order::Target>{Order::Target(unit)}, Vector3::VEC_ZERO, false));
+					break;
+				}
+	}
+
     void Unit::update() {
 		GameObject::update();
 
 		ActiveGameState *activeState = (ActiveGameState*)GameManager::getSingleton()->getStateManager()->getAppStateByType(AppStateType::ACTIVE_STATE);
 		Player *mainPlayer = (activeState ? activeState->getPlayer() : nullptr);
 
+		targetUnitsAutomatically();
+
 		vector<Player*> selectingPlayers = getSelectingPlayers();
 		bool mainPlayerSelecting = (find(selectingPlayers.begin(), selectingPlayers.end(), mainPlayer) != selectingPlayers.end());
 		bool mainPlayerOwner = (player == mainPlayer);

unit.h

@@ -46,11 +46,12 @@ namespace battleship{
 
         TYPE type;
 		int lineId = -1;
+		bool playerAssigned = true;
 		vb01::Vector3 direction;
         std::vector<Target> targets;
 
 		Order(){}
-		Order(TYPE t, std::vector<Target> targ, vb01::Vector3 dir, int lid = -1) : type(t), lineId(lid), targets(targ), direction(dir){}
+		Order(TYPE t, std::vector<Target> targ, vb01::Vector3 dir, bool pa = true, int lid = -1) : type(t), playerAssigned(pa), lineId(lid), targets(targ), direction(dir){}
     };
     
     enum class MoveDir {LEFT, UP, FORW};
@@ -116,6 +117,7 @@ namespace battleship{
 		};
 
 		enum class Armor {CAST, COMBINED, MECHANIC, SHELL, STEEL};
+		enum class State {CHASE, STAND_GROUND, HOLD_FIRE};
 
         Unit(Player*, int, vb01::Vector3, vb01::Quaternion);
         virtual ~Unit();
@@ -168,9 +170,11 @@ namespace battleship{
 		std::vector<GarrisonSlot> garrisonSlots;
 		std::vector<Armor> armorTypes;
 		std::vector<Weapon*> weapons;
+		State state = State::STAND_GROUND;
 
 		std::vector<Player*> getSelectingPlayers();
         void removeOrder(int);
+		virtual void targetUnitsAutomatically();
 		virtual void reinit();
 		virtual void initProperties();
 		virtual void destroySound();