added missing files

unit.cpp

@@ -175,6 +175,7 @@ namespace battleship{
 		hpBackgroundNode->setPosition(Vector3(shiftedX, screenPos.y, .1));
     }
 
+	//TODO factor out non mutual order methods
     void Unit::executeOrders() {
         if (orders.size() > 0) {
             Order order = orders[0];
@@ -183,6 +184,9 @@ namespace battleship{
                 case Order::TYPE::ATTACK:
                     attack(order);
                     break;
+                case Order::TYPE::BUILD:
+                    build(order);
+                    break;
                 case Order::TYPE::MOVE:
                     move(order);
                     break;

unit.h

@@ -25,7 +25,7 @@ namespace battleship{
 		class Unit;
     
     struct Order {
-        enum class TYPE {ATTACK, MOVE, PATROL, LAUNCH};
+        enum class TYPE {ATTACK, BUILD, MOVE, PATROL, LAUNCH};
 			struct Target{
 				Unit *unit = nullptr;
 				vb01::Vector3 pos;
@@ -41,7 +41,7 @@ namespace battleship{
     
     enum class MoveDir {LEFT, UP, FORW};
     enum class Corner {FRONT_LEFT, FRONT_RIGHT, REAR_LEFT, REAR_RIGHT};
-    enum class UnitClass {VESSEL, DESTROYER, CRUISER, AIRCRAFT_CARRIER, SUBMARINE, MISSILE_JET, DEMO_JET, SAMPLE_BUILDING};
+    enum class UnitClass {VESSEL, ENGINEER, SAMPLE_BUILDING};
     enum class UnitType {UNDERWATER, SEA_LEVEL, LAND, AIR};
     
     class Unit {
@@ -116,6 +116,7 @@ namespace battleship{
 		virtual void initUnitStats();
         virtual void executeOrders();
         virtual void attack(Order){}
+        virtual void build(Order){}
         virtual void move(Order){}
         virtual void patrol(Order){}
         virtual void launch(Order){}