Changeset 3284 for GTP/trunk/App/Demos/Vis/FriendlyCulling/src/Pvs.h

Timestamp:

01/18/09 02:25:26 (15 years ago)

Author:

mattausch

Message:

 

File:

• GTP/trunk/App/Demos/Vis/FriendlyCulling/src/Pvs.h (modified) (7 diffs)

GTP/trunk/App/Demos/Vis/FriendlyCulling/src/Pvs.h

@@ -11 +11 @@
 class Bvh;
 
+struct PvsEntry
+{
+        PvsEntry(SceneEntity *ent, float t): 
+        mEntity(ent)
+        //, mTimeStamp(t) 
+        {}
+
+        friend bool operator<(const PvsEntry &a, const PvsEntry &b);
+
+
+        ///////////////
+
+        SceneEntity *mEntity;
+        //float mTimeStamp;
+};
+
+
+
+
+typedef std::vector<PvsEntry> PvsEntryContainer;
+
 
 /** Class representing the Potentially Visible Set (PVS) from a view cell.
@@ -16 +37 @@
 class Pvs
 {
-
 public:
 
@@ -22 +42 @@
 
         bool Empty() const;
-
-        void AddEntry(Bvh *bvh, BvhNode *node);
+        /** Convencience method adding all scene entities associated with a bvh node.
+        */
+        void AddEntry(Bvh *bvh, BvhNode *node, float timeStamp = -1);
 
         int GetSize() const;
 
-        inline SceneEntity *GetEntry(int i) const;
+        inline SceneEntity *GetEntity(int i) const;
+        
+        inline PvsEntry GetEntry(int i) const;
 
-        inline void AddEntry(SceneEntity *ent, float timeStamp = 0.0f);
+        inline void AddEntry(const PvsEntry &entry);
+        /* Sort entries by timestamp
+        */
+        void Sort();
 
 
@@ -35 +61 @@
 
         /// vector of PVS entries
-        SceneEntityContainer mEntries; 
-        std::vector<float> mTimeStamps;
-
-        static bool sStoreTimeStamps;
+        PvsEntryContainer mEntries; 
 };
 
 
-inline SceneEntity *Pvs::GetEntry(int i) const 
+inline SceneEntity *Pvs::GetEntity(int i) const 
+{
+        return mEntries[i].mEntity; 
+}
+
+
+inline PvsEntry Pvs::GetEntry(int i) const 
 {
         return mEntries[i]; 
@@ -48 +77 @@
 
 
-inline void Pvs::AddEntry(SceneEntity *ent, float timeStamp) 
+inline void Pvs::AddEntry(const PvsEntry &entry) 
 {
-        mEntries.push_back(ent); 
-
-        if (sStoreTimeStamps)
-        {
-                mTimeStamps.push_back(timeStamp);
-        }
+        mEntries.push_back(entry);
 }
 
@@ -65 +89 @@
 
 
-inline void Pvs::AddEntry(Bvh *bvh, BvhNode *node) 
+inline void Pvs::AddEntry(Bvh *bvh, BvhNode *node, float timeStamp) 
 {
         int geometrySize;
@@ -73 +97 @@
         for (int i = 0; i < geometrySize; ++ i)
         {
-                AddEntry(entities[i]);
+                AddEntry(PvsEntry(entities[i], timeStamp));
         }
 }
+