removing projectiles if they go out of map bounds

CMakeLists.txt

@@ -32,7 +32,7 @@ set(CONTROLLERS gameObjectFrameController.cpp cameraController.cpp)
 set(CONSOLE console.cpp abstractCommand.cpp addUnitCommand.cpp addResourceCommand.cpp addTechnologyCommand.cpp toggleDebugCommand.cpp)
 set(CORE gameManager.cpp game.cpp pathfinder.cpp environment.cpp fxManager.cpp defConfigs.cpp player.cpp trader.cpp ${CONSOLE} ${CONTROLLERS})
 
-set(PROJECTILES projectile.cpp missile.cpp cruiseMissile.cpp shell.cpp depthCharge.cpp)
+set(PROJECTILES projectile.cpp missile.cpp cruiseMissile.cpp shell.cpp depthCharge.cpp torpedo.cpp torpedo.h)
 set(VEHICLES vehicle.cpp submarine.cpp engineer.cpp resourceRover.cpp freezer.cpp)
 set(STRUCTURES structure.cpp factory.cpp pointDefense.cpp extractor.cpp researchStruct.cpp iceSheet.cpp)
 set(WEAPONS weapon.cpp)

cruiseMissile.cpp

@@ -72,7 +72,10 @@ namespace battleship{
 				break;
 		}
 
-		if(flightStage == FlightStage::DESCENT)
-			Projectile::checkCollision();
+		if(flightStage == FlightStage::DESCENT && !remove){
+			checkSurfaceCollision(false);
+			if(remove) return;
+			checkUnitCollision();
+		}
 	}
 }

depthCharge.cpp

@@ -8,6 +8,10 @@ namespace battleship{
 	void DepthCharge::update(){
 		Projectile::update();
 
-        if(!remove) checkUnitCollision();
+        if(!remove){
+			checkSurfaceCollision(true);
+			if(remove) return;
+			checkUnitCollision();
+		}
 	}
 }

gameObjectFactory.cpp

@@ -14,6 +14,7 @@
 #include "cruiseMissile.h"
 #include "iceSheet.h"
 #include "shell.h"
+#include "torpedo.h"
 #include "depthCharge.h"
 #include "defConfigs.h"
 
@@ -77,6 +78,8 @@ namespace battleship{
 				return new CruiseMissile(unit, id, targetPos, pos, rot);
 			case ProjectileClass::MISSILE:
 				return new Missile(unit, id, targetPos, pos, rot);
+			case ProjectileClass::TORPEDO:
+				return new Torpedo(unit, id, pos, rot);
 			case ProjectileClass::DEPTH_CHARGE:
 				return new DepthCharge(unit, id, pos, rot);
 			default:

missile.cpp

@@ -22,6 +22,11 @@ namespace battleship{
 
 		Projectile::update();
 		destructable->update();
-		checkCollision();
+
+        if(!remove){
+			checkSurfaceCollision(false);
+			if(remove) return;
+			checkUnitCollision();
+		}
 	}
 }

projectile.cpp

@@ -105,22 +105,27 @@ namespace battleship{
 					detonate(targetUnits[i]);
 	}
 
-	void Projectile::checkSurfaceCollision(){
+	//TODO fix map boundary checks
+	void Projectile::checkSurfaceCollision(bool useBottomCell){
 		Map *map = Map::getSingleton();
+		vector<Map::Cell> &cells = map->getCells();
 		int cellId = map->getCellId(pos, false);
+		Vector3 mapSize = map->getMapSize();
 
-		if((pos + dirVec * rayLength).y <= map->getCells()[cellId].pos.y)
+		if(cellId < 0 || fabs(pos.x) > .5 * mapSize.x || fabs(pos.z) > .5 * mapSize.z){
+			remove = true;
+			return;
+		}
+
+		if(useBottomCell && !cells[cellId].underWaterCellIds.empty()){
+			int numUnderwaterCells = cells[cellId].underWaterCellIds.size();
+			cellId = cells[cellId].underWaterCellIds[numUnderwaterCells - 1];
+		}
+
+		if((pos + dirVec * rayLength).y <= cells[cellId].pos.y + .5 * map->getCellSize().y)
 			detonate();
 	}
 
-	void Projectile::checkCollision(){
-        if(!remove){
-			checkSurfaceCollision();
-			if(remove) return;
-			checkUnitCollision();
-		}
-	}
-
     void Projectile::debug(){
     }
 }

projectile.h

@@ -28,8 +28,7 @@ namespace battleship {
     protected:
 		virtual void reinit();
 		virtual void checkUnitCollision();
-		virtual void checkSurfaceCollision();
-		void checkCollision();
+		virtual void checkSurfaceCollision(bool);
 
 		vb01::Vector3 initPos;
 		ProjectileClass projClass; 

shell.cpp

@@ -32,6 +32,11 @@ namespace battleship{
 		model->lookAt(dirVec, upVec);
 
 		Projectile::update();
-		checkCollision();
+
+        if(!remove){
+			checkSurfaceCollision(false);
+			if(remove) return;
+			checkUnitCollision();
+		}
 	}
 }

torpedo.cpp

@@ -0,0 +1,17 @@
+#include "torpedo.h"
+
+namespace battleship{
+	using namespace vb01;
+
+    Torpedo::Torpedo(Unit *un, int id, Vector3 pos, Quaternion rot) : Projectile(un, id, pos, rot){}
+
+	void Torpedo::update(){
+		Projectile::update();
+
+        if(!remove){
+			checkSurfaceCollision(true);
+			if(remove) return;
+			checkUnitCollision();
+		}
+	}
+}

torpedo.h

@@ -0,0 +1,15 @@
+#ifndef TORPEDO_H
+#define TORPEDO_H
+
+#include "projectile.h"
+
+namespace battleship{
+	class Torpedo : public Projectile{
+		public:
+			Torpedo(Unit*, int, vb01::Vector3, vb01::Quaternion);
+			void update();
+		private:
+	};
+}
+
+#endif