** Specialized viewpoint from which an Octree can be rendered. @remarks This class contains several speciliazations of the Ogre::Camera class. It implements the getRenderOperation method inorder to return displayable geometry for debuggin purposes. It also implements a visibility function that is more granular than the default.
Inheritance: Axiom.Core.Camera
 public override Camera CreateCamera(string name) {
     Camera cam = new OctreeCamera(name, this);
     cameraList.Add(name, cam);
     // create visible bounds aabb map entry
     camVisibleObjectsMap[cam] = new VisibleObjectsBoundsInfo();
     return cam;
 }
Example #2
0
        public override Camera CreateCamera(string name)
        {
            Camera cam = new OctreeCamera(name, this);

            cameraList.Add(name, cam);
            return(cam);
        }
        public override void FindVisibleObjects(Camera cam,  VisibleObjectsBoundsInfo visibleBounds, bool onlyShadowCasters) {
            GetRenderQueue().Clear();
            boxList.Clear();
            visible.Clear();

            if(cullCamera) {
                Camera c = cameraList["CullCamera"];

                if(c != null) {
                    cameraInProgress = cameraList["CullCamera"];
                }
            }

            numObjects = 0;

            //walk the octree, adding all visible Octreenodes nodes to the render queue.
            WalkOctree((OctreeCamera)cam, GetRenderQueue(), octree, visibleBounds, onlyShadowCasters, false);

            // Show the octree boxes & cull camera if required
            if(this.ShowBoundingBoxes || cullCamera) {
                if(this.ShowBoundingBoxes) {
                    for(int i = 0; i < boxList.Count; i++) {
                        WireBoundingBox box = (WireBoundingBox)boxList[i];
						
                        GetRenderQueue().AddRenderable(box);
                    }
                }
				
                if(cullCamera) {
                    OctreeCamera c = (OctreeCamera)GetCamera("CullCamera");

                    if(c != null) {
                        GetRenderQueue().AddRenderable(c);
                    }
                }
            }
        }
Example #4
0
		/** Walks through the octree, adding any visible objects to the render queue.
		@remarks
		If any octant in the octree if completely within the the view frustum,
		all subchildren are automatically added with no visibility tests.
		*/
		public void WalkOctree( OctreeCamera camera, RenderQueue queue, Octree octant, bool foundVisible )
		{

			Queue<WalkQueueObject> q = new Queue<WalkQueueObject>();
			WalkQueueObject temp = new WalkQueueObject( octant, foundVisible );

			q.Enqueue( temp );

			while ( q.Count > 0 )
			{

				temp = q.Dequeue();

				//return immediately if nothing is in the node.
				if ( temp.Octant.NumNodes == 0 )
				{
					continue;
				}

				Visibility v = Visibility.None;

				if ( temp.FoundVisible )
				{
					v = Visibility.Full;
				}
				else if ( temp.Octant == octree )
				{
					v = Visibility.Partial;
				}
				else
				{
					AxisAlignedBox box = temp.Octant.CullBounds;
					v = camera.GetVisibility( box );
				}



				// if the octant is visible, or if it's the root node...
				if ( v != Visibility.None )
				{
					if ( this.ShowBoundingBoxes )
					{
						boxList.Add( temp.Octant.WireBoundingBox );
					}

					bool vis = true;

					foreach ( OctreeNode node in temp.Octant.NodeList.Values )
					{
						// if this octree is partially visible, manually cull all
						// scene nodes attached directly to this level.

						if ( v == Visibility.Partial )
						{
							vis = camera.IsObjectVisible( node.WorldAABB );
						}

						if ( vis )
						{
							numObjects++;
							node.AddToRenderQueue( camera, queue );

							visible.Add( node );

							if ( DisplayNodes )
							{
								GetRenderQueue().AddRenderable( node.GetDebugRenderable() );
							}

							// check if the scene manager or this node wants the bounding box shown.
							if ( node.ShowBoundingBox || this.ShowBoundingBoxes )
							{
								node.AddBoundingBoxToQueue( queue );
							}
						}
					}

					if ( temp.Octant.Children[ 0, 0, 0 ] != null )
					{
						q.Enqueue( new WalkQueueObject( temp.Octant.Children[ 0, 0, 0 ], v == Visibility.Full ) );
						//WalkOctree( camera, queue, octant.Children[ 0, 0, 0 ], ( v == Visibility.Full ) );
						//continue;
					}

					if ( temp.Octant.Children[ 1, 0, 0 ] != null )
					{
						q.Enqueue( new WalkQueueObject( temp.Octant.Children[ 1, 0, 0 ], v == Visibility.Full ) );
						//WalkOctree( camera, queue, octant.Children[ 1, 0, 0 ], ( v == Visibility.Full ) );
						//continue;
					}

					if ( temp.Octant.Children[ 0, 1, 0 ] != null )
					{
						q.Enqueue( new WalkQueueObject( temp.Octant.Children[ 0, 1, 0 ], v == Visibility.Full ) );
						//WalkOctree( camera, queue, octant.Children[ 0, 1, 0 ], ( v == Visibility.Full ) );
						//continue;
					}

					if ( temp.Octant.Children[ 1, 1, 0 ] != null )
					{
						q.Enqueue( new WalkQueueObject( temp.Octant.Children[ 1, 1, 0 ], v == Visibility.Full ) );
						//WalkOctree( camera, queue, octant.Children[ 1, 1, 0 ], ( v == Visibility.Full ) );
						//continue;
					}

					if ( temp.Octant.Children[ 0, 0, 1 ] != null )
					{
						q.Enqueue( new WalkQueueObject( temp.Octant.Children[ 0, 0, 1 ], v == Visibility.Full ) );
						//WalkOctree( camera, queue, octant.Children[ 0, 0, 1 ], ( v == Visibility.Full ) );
						//continue;
					}

					if ( temp.Octant.Children[ 1, 0, 1 ] != null )
					{
						q.Enqueue( new WalkQueueObject( temp.Octant.Children[ 1, 0, 1 ], v == Visibility.Full ) );
						//WalkOctree( camera, queue, octant.Children[ 1, 0, 1 ], ( v == Visibility.Full ) );
						//continue;
					}

					if ( temp.Octant.Children[ 0, 1, 1 ] != null )
					{
						q.Enqueue( new WalkQueueObject( temp.Octant.Children[ 0, 1, 1 ], v == Visibility.Full ) );
						//WalkOctree( camera, queue, octant.Children[ 0, 1, 1 ], ( v == Visibility.Full ) );
						//continue;
					}

					if ( temp.Octant.Children[ 1, 1, 1 ] != null )
					{
						q.Enqueue( new WalkQueueObject( temp.Octant.Children[ 1, 1, 1 ], v == Visibility.Full ) );
						//WalkOctree( camera, queue, octant.Children[ 1, 1, 1 ], ( v == Visibility.Full ) );
						//continue;
					}
				}
			}
		}
Example #5
0
		public override Camera CreateCamera( string name )
		{
			Camera cam = new OctreeCamera( name, this );
			cameraList.Add( name, cam );
			return cam;
		}
        /** Walks through the octree, adding any visible objects to the render queue.
        @remarks
        If any octant in the octree if completely within the the view frustum,
        all subchildren are automatically added with no visibility tests.
        */
        public void WalkOctree(OctreeCamera camera, RenderQueue queue, Octree octant, 
                               VisibleObjectsBoundsInfo visibleBounds, bool onlyShadowCasters, bool foundVisible)
        {
            //return immediately if nothing is in the node.
            if(octant.NumNodes == 0) {
                return;
            }

            Visibility v = Visibility.None;

            if(foundVisible) {
                v = Visibility.Full;
            }
            else if(octant == octree) {
                v = Visibility.Partial;
            }
            else {
                AxisAlignedBox box = octant.CullBounds;
                v = camera.GetVisibility(box);
            }

            // if the octant is visible, or if it's the root node...
            if(v != Visibility.None) {
                if(this.ShowBoundingBoxes) {
                    // TODO: Implement Octree.WireBoundingBox
                    //boxList.Add(octant.WireBoundingBox);
                }

                bool vis = true;

                for(int i = 0; i < octant.NodeList.Count; i++) {
                    OctreeNode node = (OctreeNode)octant.NodeList[i];

                    // if this octree is partially visible, manually cull all
                    // scene nodes attached directly to this level.

                    if(v == Visibility.Partial) {
                        vis = camera.IsObjectVisible(node.WorldAABB);
                    }

                    if(vis)  {
                        numObjects++;
                        node.AddToRenderQueue(camera, queue, onlyShadowCasters, visibleBounds);
                        visible.Add(node);

                        if(DisplayNodes) {
                            GetRenderQueue().AddRenderable(node);
                        }

                        // check if the scene manager or this node wants the bounding box shown.
                        if(node.ShowBoundingBox || this.ShowBoundingBoxes) {
                            node.AddBoundingBoxToQueue(queue);
                        }
                    }
                }

                if(octant.Children[0,0,0] != null ) WalkOctree(camera, queue, octant.Children[0,0,0], visibleBounds, onlyShadowCasters, ( v == Visibility.Full ) );

                if(octant.Children[1,0,0] != null ) WalkOctree(camera, queue, octant.Children[1,0,0], visibleBounds, onlyShadowCasters, ( v == Visibility.Full ) );

                if(octant.Children[0,1,0] != null ) WalkOctree(camera, queue, octant.Children[0,1,0], visibleBounds, onlyShadowCasters, ( v == Visibility.Full ) );

                if(octant.Children[1,1,0] != null ) WalkOctree(camera, queue, octant.Children[1,1,0], visibleBounds, onlyShadowCasters, ( v == Visibility.Full ) );

                if(octant.Children[0,0,1] != null ) WalkOctree(camera, queue, octant.Children[0,0,1], visibleBounds, onlyShadowCasters, ( v == Visibility.Full ) );

                if(octant.Children[1,0,1] != null ) WalkOctree(camera, queue, octant.Children[1,0,1], visibleBounds, onlyShadowCasters, ( v == Visibility.Full ) );

                if(octant.Children[0,1,1] != null ) WalkOctree(camera, queue, octant.Children[0,1,1], visibleBounds, onlyShadowCasters, ( v == Visibility.Full ) );

                if(octant.Children[1,1,1] != null ) WalkOctree(camera, queue, octant.Children[1,1,1], visibleBounds, onlyShadowCasters, ( v == Visibility.Full ) );
            }
        }
 public override Camera CreateCamera(string name)
 {
     Camera cam = new OctreeCamera(name, this);
     cameraList.Add(name, cam);
     // create visible bounds aabb map entry
     camVisibleObjectsMap[cam] = new VisibleObjectsBoundsInfo();
     return cam;
 }
        /** Walks through the octree, adding any visible objects to the render queue.
        @remarks
        If any octant in the octree if completely within the the view frustum,
        all subchildren are automatically added with no visibility tests.
        */
        public void WalkOctree(OctreeCamera camera, RenderQueue queue, Octree octant, 
                               VisibleObjectsBoundsInfo visibleBounds, bool onlyShadowCasters, bool foundVisible) {
            //return immediately if nothing is in the node.
            if(octant.NumNodes == 0) {
                return;
            }

            Visibility v = Visibility.None;
 
            if(foundVisible) {
                v = Visibility.Full;
            }
            else if(octant == octree) {
                v = Visibility.Partial;
            }
            else {
                AxisAlignedBox box = octant.CullBounds;
                v = camera.GetVisibility(box);
            }

            // if the octant is visible, or if it's the root node...
            if(v != Visibility.None) {
                if(this.ShowBoundingBoxes) {
                    // TODO: Implement Octree.WireBoundingBox
                    //boxList.Add(octant.WireBoundingBox); 
                }

                bool vis = true;

                for(int i = 0; i < octant.NodeList.Count; i++) {
                    OctreeNode node = (OctreeNode)octant.NodeList[i];
					
                    // if this octree is partially visible, manually cull all
                    // scene nodes attached directly to this level.

                    if(v == Visibility.Partial) {
                        vis = camera.IsObjectVisible(node.WorldAABB);
                    }

                    if(vis)  {
                        numObjects++;
                        node.AddToRenderQueue(camera, queue, onlyShadowCasters, visibleBounds);
                        visible.Add(node);

                        if(DisplayNodes) {
                            GetRenderQueue().AddRenderable(node);
                        }

                        // check if the scene manager or this node wants the bounding box shown.
                        if(node.ShowBoundingBox || this.ShowBoundingBoxes) {
                            node.AddBoundingBoxToQueue(queue);
                        }
                    }
                }
				
                if(octant.Children[0,0,0] != null ) WalkOctree(camera, queue, octant.Children[0,0,0], visibleBounds, onlyShadowCasters, ( v == Visibility.Full ) );

                if(octant.Children[1,0,0] != null ) WalkOctree(camera, queue, octant.Children[1,0,0], visibleBounds, onlyShadowCasters, ( v == Visibility.Full ) );

                if(octant.Children[0,1,0] != null ) WalkOctree(camera, queue, octant.Children[0,1,0], visibleBounds, onlyShadowCasters, ( v == Visibility.Full ) );

                if(octant.Children[1,1,0] != null ) WalkOctree(camera, queue, octant.Children[1,1,0], visibleBounds, onlyShadowCasters, ( v == Visibility.Full ) );

                if(octant.Children[0,0,1] != null ) WalkOctree(camera, queue, octant.Children[0,0,1], visibleBounds, onlyShadowCasters, ( v == Visibility.Full ) );

                if(octant.Children[1,0,1] != null ) WalkOctree(camera, queue, octant.Children[1,0,1], visibleBounds, onlyShadowCasters, ( v == Visibility.Full ) );

                if(octant.Children[0,1,1] != null ) WalkOctree(camera, queue, octant.Children[0,1,1], visibleBounds, onlyShadowCasters, ( v == Visibility.Full ) );

                if(octant.Children[1,1,1] != null ) WalkOctree(camera, queue, octant.Children[1,1,1], visibleBounds, onlyShadowCasters, ( v == Visibility.Full ) );
            }			
        }
Example #9
0
        /** Walks through the octree, adding any visible objects to the render queue.
         *      @remarks
         *      If any octant in the octree if completely within the the view frustum,
         *      all subchildren are automatically added with no visibility tests.
         */

        public void WalkOctree(OctreeCamera camera, RenderQueue queue, Octree octant, bool foundVisible)
        {
            var q    = new Queue <WalkQueueObject>();
            var temp = new WalkQueueObject(octant, foundVisible);

            q.Enqueue(temp);

            while (q.Count > 0)
            {
                temp = q.Dequeue();

                //return immediately if nothing is in the node.
                if (temp.Octant.NumNodes == 0)
                {
                    continue;
                }

                Visibility v = Visibility.None;

                if (temp.FoundVisible)
                {
                    v = Visibility.Full;
                }
                else if (temp.Octant == this.octree)
                {
                    v = Visibility.Partial;
                }
                else
                {
                    AxisAlignedBox box = temp.Octant.CullBounds;
                    v = camera.GetVisibility(box);
                }


                // if the octant is visible, or if it's the root node...
                if (v != Visibility.None)
                {
                    if (ShowBoundingBoxes)
                    {
                        this.boxList.Add(temp.Octant.WireBoundingBox);
                    }

                    bool vis = true;

                    foreach (OctreeNode node in temp.Octant.NodeList.Values)
                    {
                        // if this octree is partially visible, manually cull all
                        // scene nodes attached directly to this level.

                        if (v == Visibility.Partial)
                        {
                            vis = camera.IsObjectVisible(node.WorldAABB);
                        }

                        if (vis)
                        {
                            this.numObjects++;
                            node.AddToRenderQueue(camera, queue);

                            this.visible.Add(node);

                            if (DisplayNodes)
                            {
                                GetRenderQueue().AddRenderable(node.GetDebugRenderable());
                            }

                            // check if the scene manager or this node wants the bounding box shown.
                            if (node.ShowBoundingBox || ShowBoundingBoxes)
                            {
                                node.AddBoundingBoxToQueue(queue);
                            }
                        }
                    }

                    if (temp.Octant.Children[0, 0, 0] != null)
                    {
                        q.Enqueue(new WalkQueueObject(temp.Octant.Children[0, 0, 0], v == Visibility.Full));
                        //WalkOctree( camera, queue, octant.Children[ 0, 0, 0 ], ( v == Visibility.Full ) );
                        //continue;
                    }

                    if (temp.Octant.Children[1, 0, 0] != null)
                    {
                        q.Enqueue(new WalkQueueObject(temp.Octant.Children[1, 0, 0], v == Visibility.Full));
                        //WalkOctree( camera, queue, octant.Children[ 1, 0, 0 ], ( v == Visibility.Full ) );
                        //continue;
                    }

                    if (temp.Octant.Children[0, 1, 0] != null)
                    {
                        q.Enqueue(new WalkQueueObject(temp.Octant.Children[0, 1, 0], v == Visibility.Full));
                        //WalkOctree( camera, queue, octant.Children[ 0, 1, 0 ], ( v == Visibility.Full ) );
                        //continue;
                    }

                    if (temp.Octant.Children[1, 1, 0] != null)
                    {
                        q.Enqueue(new WalkQueueObject(temp.Octant.Children[1, 1, 0], v == Visibility.Full));
                        //WalkOctree( camera, queue, octant.Children[ 1, 1, 0 ], ( v == Visibility.Full ) );
                        //continue;
                    }

                    if (temp.Octant.Children[0, 0, 1] != null)
                    {
                        q.Enqueue(new WalkQueueObject(temp.Octant.Children[0, 0, 1], v == Visibility.Full));
                        //WalkOctree( camera, queue, octant.Children[ 0, 0, 1 ], ( v == Visibility.Full ) );
                        //continue;
                    }

                    if (temp.Octant.Children[1, 0, 1] != null)
                    {
                        q.Enqueue(new WalkQueueObject(temp.Octant.Children[1, 0, 1], v == Visibility.Full));
                        //WalkOctree( camera, queue, octant.Children[ 1, 0, 1 ], ( v == Visibility.Full ) );
                        //continue;
                    }

                    if (temp.Octant.Children[0, 1, 1] != null)
                    {
                        q.Enqueue(new WalkQueueObject(temp.Octant.Children[0, 1, 1], v == Visibility.Full));
                        //WalkOctree( camera, queue, octant.Children[ 0, 1, 1 ], ( v == Visibility.Full ) );
                        //continue;
                    }

                    if (temp.Octant.Children[1, 1, 1] != null)
                    {
                        q.Enqueue(new WalkQueueObject(temp.Octant.Children[1, 1, 1], v == Visibility.Full));
                        //WalkOctree( camera, queue, octant.Children[ 1, 1, 1 ], ( v == Visibility.Full ) );
                        //continue;
                    }
                }
            }
        }