Merge pull request #1573 from Azaezel/navmeshtweaks

allows navmeshes to generate for most scene objects,

Engine/source/navigation/navMesh.cpp

@@ -145,6 +145,17 @@ DefineConsoleFunction(NavMeshUpdateAroundObject, void, (S32 objid, bool remove),
       obj->enableCollision();
 }
 
+
+DefineConsoleFunction(NavMeshIgnore, void, (S32 objid, bool _ignore), (0, true),
+   "@brief Flag this object as not generating a navmesh result.")
+{
+   SceneObject *obj;
+   if(!Sim::findObject(objid, obj))
+      return;
+
+      obj->mPathfindingIgnore = _ignore;
+}
+
 DefineConsoleFunction(NavMeshUpdateOne, void, (S32 meshid, S32 objid, bool remove), (0, 0, false),
    "@brief Update all tiles in a given NavMesh that intersect the given object's world box.")
 {
@@ -839,6 +850,7 @@ void NavMesh::buildNextTile()
 static void buildCallback(SceneObject* object,void *key)
 {
    SceneContainer::CallbackInfo* info = reinterpret_cast<SceneContainer::CallbackInfo*>(key);
+   if (!object->mPathfindingIgnore)
    object->buildPolyList(info->context,info->polyList,info->boundingBox,info->boundingSphere);
 }
 
@@ -861,7 +873,7 @@ unsigned char *NavMesh::buildTileData(const Tile &tile, TileData &data, U32 &dat
    data.geom.clear();
    info.polyList = &data.geom;
    info.key = this;
-   getContainer()->findObjects(box, StaticShapeObjectType | TerrainObjectType, buildCallback, &info);
+   getContainer()->findObjects(box, StaticObjectType | DynamicShapeObjectType, buildCallback, &info);
 
    // Parse water objects into the same list, but remember how much geometry was /not/ water.
    U32 nonWaterVertCount = data.geom.getVertCount();

Engine/source/scene/sceneObject.cpp

@@ -144,6 +144,7 @@ SceneObject::SceneObject()
    mIsScopeAlways = false;
 
    mAccuTex = NULL;
+   mPathfindingIgnore = false;
 }
 
 //-----------------------------------------------------------------------------

Engine/source/scene/sceneObject.h

@@ -371,6 +371,7 @@ class SceneObject : public NetObject, private SceneContainer::Link, public Proce
 
       SceneObject();
       virtual ~SceneObject();
+      bool mPathfindingIgnore;
 
       /// Triggered when a SceneObject onAdd is called.
       static Signal< void( SceneObject* ) > smSceneObjectAdd;