BGE: Adding animation culling. Armature objects will only have their poses updated if their children meshes have not already been culled. Regular object animations will always be updated since they are cheap.

1 files changed, 31 insertions, 3 deletions

diff --git a/source/gameengine/Ketsji/KX_Scene.cpp b/source/gameengine/Ketsji/KX_Scene.cpp
index c12fda8912e..35084061ab0 100644
--- a/source/gameengine/Ketsji/KX_Scene.cpp
+++ b/source/gameengine/Ketsji/KX_Scene.cpp
@@ -1578,9 +1578,37 @@ void KX_Scene::AddAnimatedObject(CValue* gameobj)
 
 void KX_Scene::UpdateAnimations(double curtime)
 {
-	// Update any animations
-	for (int i=0; i<m_animatedlist->GetCount(); ++i)
-		((KX_GameObject*)m_animatedlist->GetValue(i))->UpdateActionManager(curtime);
+	KX_GameObject *gameobj;
+	bool needs_update;
+
+	for (int i=0; i<m_animatedlist->GetCount(); ++i) {
+		gameobj = (KX_GameObject*)m_animatedlist->GetValue(i);
+
+		// Non-armature updates are fast enough, so just update them
+		needs_update = gameobj->GetGameObjectType() != SCA_IObject::OBJ_ARMATURE;
+
+		if (!needs_update) {
+			// If we got here, we're looking to update an armature, so check its children meshes
+			// to see if we need to bother with a more expensive pose update
+			CListValue *children = gameobj->GetChildren();
+			KX_GameObject *child;
+
+			// Check for meshes that haven't been culled
+			for (int j=0; j<children->GetCount(); ++j) {
+				child = (KX_GameObject*)children->GetValue(j);
+
+				if (child->GetMeshCount() > 0 && !child->GetCulled()) {
+					needs_update = true;
+					break;
+				}
+			}
+
+			children->Release();
+		}
+
+		if (needs_update)
+			gameobj->UpdateActionManager(curtime);
+	}
 }
 
 void KX_Scene::LogicUpdateFrame(double curtime, bool frame)