Collision callbacks

src/Systems/PhysicsSystem.cpp

@@ -27,6 +27,8 @@
 
 void Systems::PhysicsSystem::Initialize()
 {
+	
+
 	m_Accumulator = 0;
 
 	// Events
@@ -102,6 +104,8 @@ void Systems::PhysicsSystem::Initialize()
 		SetupVisualDebugger(m_Context);
 
 		m_PhysicsWorld->unmarkForWrite();
+
+		m_collisionResolution = new MyCollisionResolution;
 	}
 
 }
@@ -324,9 +328,11 @@ void Systems::PhysicsSystem::OnEntityCommit( EntityID entity )
 				m_PhysicsWorld->markForWrite();
 				vehicleSetup.buildVehicle(m_World, m_PhysicsWorld, *m_Vehicles[entity], entity, m_Wheels);
 				// Add the vehicle's entities and phantoms to the world
+				rigidBody->addContactListener( m_collisionResolution );
 				m_Vehicles[entity]->addToWorld(m_PhysicsWorld);
-
 				m_RigidBodies[entity] = rigidBody;
+				m_collisionResolution->m_RigidBodies[rigidBody] = entity;
+
 
 				// The vehicle is an action
 				m_PhysicsWorld->addAction(m_Vehicles[entity]);
@@ -340,8 +346,10 @@ void Systems::PhysicsSystem::OnEntityCommit( EntityID entity )
 			else
 			{
 				m_PhysicsWorld->markForWrite();
+				rigidBody->addContactListener( m_collisionResolution );
 				m_PhysicsWorld->addEntity(rigidBody);
 				m_RigidBodies[entity] = rigidBody;
+				m_collisionResolution->m_RigidBodies[rigidBody] = entity;
 				m_PhysicsWorld->unmarkForWrite();
 
 				shape->removeReference();
@@ -394,6 +402,7 @@ void Systems::PhysicsSystem::OnEntityCommit( EntityID entity )
 			m_PhysicsWorld->markForWrite();
 			m_PhysicsWorld->addEntity(rigidBody);
 			m_RigidBodies[entity] = rigidBody;
+			m_collisionResolution->m_RigidBodies[rigidBody] = entity;
 			m_PhysicsWorld->unmarkForWrite();
 
 			shape->removeReference();

src/Systems/PhysicsSystem.h

@@ -60,9 +60,27 @@
 #include "Physics/VehicleSetup.h"
 
 #include <unordered_map>
+
+#include <Physics2012/Dynamics/Collide/ContactListener/hkpContactListener.h>
+
+class MyCollisionResolution: public hkReferencedObject, public hkpContactListener
+{
+public:
+	std::unordered_map<hkpRigidBody*, EntityID> m_RigidBodies;
+
+	virtual void contactPointCallback( const hkpContactPointEvent& event ) 
+	{
+		
+		EntityID entity1 = m_RigidBodies[event.getBody(0)];
+		EntityID entity2 = m_RigidBodies[event.getBody(1)];
+		LOG_INFO("Entities colliding: %i, %i ", entity1, entity2);
+
+	}
+};
+
+
 namespace Systems
 {
-
 class PhysicsSystem : public System
 {
 public:
@@ -77,7 +95,7 @@ public:
 	void OnComponentCreated(std::string type, std::shared_ptr<Component> component) override;
 	void OnComponentRemoved(std::string type, Component* component) override;
 	void OnEntityCommit(EntityID entity) override;
-
+	
 private:
 	double m_Accumulator;
 	hkpWorld* m_PhysicsWorld;
@@ -145,8 +163,9 @@ private:
 		hkpMoppBvTreeShape* MoppShape;
 	};
 	std::unordered_map<EntityID, ExtendedShapeData > m_ExtendedMeshShapes;
+
+	MyCollisionResolution* m_collisionResolution;
 };
 
 }
-
 #endif // PhysicsSystem_h__