Changeset 130 for trunk/VUT/GtpVisibility/include/HierarchyInterface.h

Timestamp:

06/14/05 02:50:05 (19 years ago)

Author:

mattausch

Message:

added visibility queries

File:

• trunk/VUT/GtpVisibility/include/HierarchyInterface.h (modified) (5 diffs)

trunk/VUT/GtpVisibility/include/HierarchyInterface.h

@@ -3 +3 @@
 
 #include "DistanceQueue.h"
+#include "VisibilityMesh.h"
 
 namespace GtpVisibility {
 
 enum  CullingType {QUERY_CULLED, FRUSTUM_CULLED};
+
+typedef std::vector<HierarchyNode *> HierarchyNodeList;
+typedef std::vector<GtpVisibility::Mesh *> GeometryList;
+typedef std::pair<HierarchyNode *, OcclusionQuery *> QueryPair;
+typedef std::queue<QueryPair> QueryQueue;
 
 /**     Class which implements a hierarchy interface for a scene hierarchy.
@@ -26 +32 @@
         */
         virtual void TraverseNode(HierarchyNode *node) = 0;
-        /** Renders current scene node .
-                @param node current scene node to be rendered
+        /** Renders current hierarchy node.
+                @param node current hierarchy node to be rendered
         */
         virtual void RenderNode(HierarchyNode *node) = 0;
@@ -119 +125 @@
                 CullingType type) = NULL;
 
+        /** Returns vector of previously rendered hierarchy nodes.
+        */
+        std::vector<HierarchyNode *> *GetRenderedNodes();
+        /** Returns vector of previoulsy rendered geometry.
+        */
+        
+        /** Issue a occlusion query for this mesh.
+                @param node the current mesh
+                @returns occlusion query for this node
+        */
+        virtual GtpVisibility::OcclusionQuery *IssueOcclusionQuery(GtpVisibility::Mesh *mesh) = 0;
+
+        /** Returns geometry of hierarchy node. 
+        */
+        virtual void GetGeometry(GtpVisibility::HierarchyNode *node,    
+                                                         GeometryList *geometryList, 
+                                                         bool includeChildren) = 0;
+
+
+        /** Renders geometry.
+        */
+        virtual void RenderGeometry(GtpVisibility::Mesh *geom) = 0;
+
 protected:
         
@@ -128 +157 @@
         //--- statistics
         unsigned int mNumTraversedNodes;
-        unsigned int mNumRenderedNodes;
 
         DistanceQueue *mDistanceQueue;
@@ -134 +162 @@
         HierarchyNode *mPreviousNode;
 
-        
+        std::vector<HierarchyNode *> mRenderedNodes;
 };
 } // namespace GtpVisibility