Changeset 441 for trunk/VUT/GtpVisibilityPreprocessor/src/ViewCellBsp.h

Timestamp:

12/01/05 18:50:06 (19 years ago)

Author:

mattausch

Message:

added visibilitymanager
removed area computation from bsp

File:

• trunk/VUT/GtpVisibilityPreprocessor/src/ViewCellBsp.h (modified) (9 diffs)

trunk/VUT/GtpVisibilityPreprocessor/src/ViewCellBsp.h

@@ -364 +364 @@
                 /// rays piercing this node
                 BoundedRayContainer *mRays;
-                /// area of current node
-                float mArea;
-                BspNodeGeometry *mGeometry;
-
+                
                 /// pvs size
                 int mPvs;
@@ -385 +382 @@
                 mViewCell(NULL),
                 mRays(NULL),
-                mPvs(0),
-                mArea(0.0),
-                mGeometry(NULL)
+                mPvs(0)
                 {}
                 
@@ -395 +390 @@
                                                  ViewCell *viewCell,
                                                  BoundedRayContainer *rays,
-                                                 int pvs,
-                                                 float area,
-                                                 BspNodeGeometry *cell): 
+                                                 int pvs): 
                 mNode(node), 
                 mPolygons(polys), 
@@ -403 +396 @@
                 mViewCell(viewCell),
                 mRays(rays),
-                mPvs(pvs),
-                mArea(area),
-                mGeometry(cell)
+                mPvs(pvs)
                 {}
     };
@@ -412 +403 @@
 
         /** Default constructor creating an empty tree.
-                @param viewCell view cell corresponding to unbounded space
         */ 
-        BspTree(BspViewCell *viewCell);
-
+        BspTree();
+        
         ~BspTree();
 
+        
         const BspTreeStatistics &GetStatistics() const; 
   
@@ -506 +497 @@
         BspLeaf *GetRandomLeaf(const bool onlyUnmailed = false);
 
-        /** Returns true if merge criteria are reached.
-        */
-    bool ShouldMerge(BspLeaf *front, BspLeaf *back) const;
-
-        /** Merges view cells based on some criteria
-            E.g., empty view cells can pe purged, view cells which have 
-                a very similar PVS can be merged to one larger view cell.
-
-                @returns true if merge was successful.
-        */
-        bool MergeViewCells(BspLeaf *front, BspLeaf *back) const;
-
         /** Traverses tree and counts all view cells as well as their PVS size.
         */
         void EvaluateViewCellsStats(BspViewCellsStatistics &stat) const;
+
+        /** Returns view cell corresponding to unbounded space.
+        */
+        BspViewCell *GetRootCell() const;
 
         /** Parses the environment and stores the global BSP tree parameters
@@ -601 +584 @@
         float SplitPlaneCost(const Plane3 &candidatePlane, 
                                                  const BoundedRayContainer &rays,
-                                                 const int pvs,
-                                                 const float area,
-                                                 const BspNodeGeometry &cell) const;
+                                                 const int pvs) const;
 
         /** Filters next view cell down the tree and inserts it into the appropriate leaves
@@ -834 +815 @@
         /// number of candidates for split planes evaluated using the rays
         int mMaxRayCandidates;
-        
+        /// maximum tests for split plane evaluation with a single candidate
+        int mMaxTests;
+
         float mCtDivCi;
 
@@ -856 +839 @@
         float mBalancedViewCellsFactor;
 
-        //-- thresholds used for view cells merge
-        int mMinPvsDif;
-        int mMinPvs;
-        int mMaxPvs;
         /// if area or accumulated ray lenght should be used for PVS heuristics
-        bool mPvsUseArea;
+        bool mPvsUseLen;
 
 private: