BGE: Add physics constraints replication

This patch will add a physics constraints replication for group instances
(dupli group).
It also fix crashing when when a group instance is made from a linked
group instance and both are on the active layer.

Initial patch T31443 from moerdn (Martin Sell).

Reviewers: lordloki, sergof, moguri, sybren

Reviewed By: moguri, sybren

Differential Revision: https://developer.blender.org/D658

1 files changed, 15 insertions, 0 deletions

diff --git a/source/gameengine/Ketsji/KX_GameObject.cpp b/source/gameengine/Ketsji/KX_GameObject.cpp
index 71af263bf46..c8fc64f4679 100644
--- a/source/gameengine/Ketsji/KX_GameObject.cpp
+++ b/source/gameengine/Ketsji/KX_GameObject.cpp
@@ -292,6 +292,21 @@ void KX_GameObject::SetDupliGroupObject(KX_GameObject* obj)
 	m_pDupliGroupObject = obj;
 }
 
+void KX_GameObject::AddConstraint(bRigidBodyJointConstraint *cons)
+{
+	m_constraints.push_back(cons);
+}
+
+std::vector<bRigidBodyJointConstraint*> KX_GameObject::GetConstraints()
+{
+	return m_constraints;
+}
+
+void KX_GameObject::ClearConstraints()
+{
+	m_constraints.clear();
+}
+
 KX_GameObject* KX_GameObject::GetParent()
 {
 	KX_GameObject* result = NULL;