fix BGE bug #8309: After Parent Object added to the visual layer, Child Camera won't follow.

This bug fix is made of two parts:
1) It's now possible to dynamically add a camera.
2) Empty camera name on a SetCamera actuator now points to the actuator's parent object if this object is a camera. 
This trick is useful to make current a dynamically created camera: just add a SetCamera actuator on the camera itself and leave the name empty. Later, when the camera is added in the scene with an AddObject actuator, either directly or via a parent object, you just need to activate the actuator to make the newly created camera current. If you set a name on a SetCamera actuator, it will always point to the original camera, even after replication.

1 files changed, 15 insertions, 0 deletions

diff --git a/source/gameengine/Ketsji/KX_Camera.cpp b/source/gameengine/Ketsji/KX_Camera.cpp
index b75662f01c9..aa15199b816 100644
--- a/source/gameengine/Ketsji/KX_Camera.cpp
+++ b/source/gameengine/Ketsji/KX_Camera.cpp
@@ -69,7 +69,22 @@ KX_Camera::~KX_Camera()
 }	
 
 
+CValue*	KX_Camera::GetReplica()
+{
+	KX_Camera* replica = new KX_Camera(*this);
+	
+	// this will copy properties and so on...
+	CValue::AddDataToReplica(replica);
+	ProcessReplica(replica);
+	
+	return replica;
+}
 	
+void KX_Camera::ProcessReplica(KX_Camera* replica)
+{
+	KX_GameObject::ProcessReplica(replica);
+}
+
 MT_Transform KX_Camera::GetWorldToCamera() const
 { 
 	MT_Transform camtrans;