Changeset 2895 for GTP/trunk/App/Demos/Vis/FriendlyCulling/src/Bvh.h

Timestamp:

09/02/08 15:29:20 (16 years ago)

Author:

mattausch

Message:

 

File:

• GTP/trunk/App/Demos/Vis/FriendlyCulling/src/Bvh.h (modified) (15 diffs)

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

@@ -12 +12 @@
 namespace CHCDemoEngine
 {
+
+// the number of visibility states
+#define NUM_STATES 2
 
 ////////
@@ -149 +152 @@
         inline int CountPrimitives() const;
 
+        static void SetCurrentState(int _state) { sCurrentState = _state; }
+
 
 protected:
 
-        /////////////
-        
         /// the depth of this node
         unsigned char mDepth;
@@ -160 +163 @@
         /// the parent node
         BvhNode *mParent;
-        /// stores the visibility related info
-        VisibilityInfo mVisibility;
+
+
+        //////////////
+        //-- these members define the current state
+
+        /// stores the visibility related info 
+        VisibilityInfo mVisibility[NUM_STATES];
 
         /////////
         //-- used for view frustum culling
 
-        int mPlaneMask;
-        int mPreferredPlane;
+        int mPlaneMask[NUM_STATES];
+        int mPreferredPlane[NUM_STATES];
+
+        // the current state
+        static int sCurrentState;
+
+
+        ////////////////////
 
 
@@ -221 +235 @@
 int BvhNode::GetLastVisitedFrame() const 
 { 
-        return mVisibility.mLastVisitedFrame; 
+        return mVisibility[sCurrentState].mLastVisitedFrame; 
 }
 
@@ -227 +241 @@
 void BvhNode::SetLastVisitedFrame(const int lastVisited) 
 { 
-        mVisibility.mLastVisitedFrame = lastVisited; 
+        mVisibility[sCurrentState].mLastVisitedFrame = lastVisited; 
 }
 
@@ -233 +247 @@
 bool BvhNode::IsVisible() const 
 { 
-        return mVisibility.mIsVisible; 
+        return mVisibility[sCurrentState].mIsVisible; 
 }
 
@@ -239 +253 @@
 void BvhNode::SetVisible(bool visible) 
 { 
-        mVisibility.mIsVisible = visible; 
+        mVisibility[sCurrentState].mIsVisible = visible; 
 }
 
@@ -245 +259 @@
 void BvhNode::IncTimesTestedInvisible() 
 { 
-        ++ mVisibility.mTimesInvisible; 
+        ++ mVisibility[sCurrentState].mTimesInvisible; 
 }
 
@@ -251 +265 @@
 int BvhNode::GetTimesTestedInvisible() const 
 { 
-        return mVisibility.mTimesInvisible; 
+        return mVisibility[sCurrentState].mTimesInvisible; 
 }
 
@@ -257 +271 @@
 void BvhNode::SetTimesTestedInvisible(int t) 
 { 
-        mVisibility.mTimesInvisible = t; 
+        mVisibility[sCurrentState].mTimesInvisible = t; 
 }
 
@@ -263 +277 @@
 bool BvhNode::IsViewFrustumCulled() const 
 { 
-        return mVisibility.mIsFrustumCulled; 
+        return mVisibility[sCurrentState].mIsFrustumCulled; 
 }
 
@@ -269 +283 @@
 void BvhNode::SetViewFrustumCulled(bool frustumCulled) 
 { 
-        mVisibility.mIsFrustumCulled = frustumCulled; 
+        mVisibility[sCurrentState].mIsFrustumCulled = frustumCulled; 
 }
 
@@ -275 +289 @@
 bool BvhNode::IsNew() const 
 { 
-        return mVisibility.mIsNew;
+        return mVisibility[sCurrentState].mIsNew;
 }
 
@@ -281 +295 @@
 void BvhNode::SetIsNew(bool isNew) 
 { 
-        mVisibility.mIsNew = isNew; 
-}
-
+        mVisibility[sCurrentState].mIsNew = isNew; 
+}
+
+
+void BvhNode::SetAssumedVisibleFrameId(int t) 
+{ 
+        mVisibility[sCurrentState].mAssumedVisibleFrameId = t; 
+}
+
+
+int BvhNode::GetAssumedVisibleFrameId() const 
+{ 
+        return mVisibility[sCurrentState].mAssumedVisibleFrameId;
+}
+
+
+int BvhNode::GetLastQueriedFrame() const
+{
+        return mVisibility[sCurrentState].mLastQueriedFrame;
+}
+
+
+void BvhNode::SetLastQueriedFrame(int lastTested)
+{
+        mVisibility[sCurrentState].mLastQueriedFrame = lastTested;
+}
 
 int BvhNode::GetLastRenderedFrame() const 
@@ -309 +346 @@
 
 
-void BvhNode::SetAssumedVisibleFrameId(int t) 
-{ 
-        mVisibility.mAssumedVisibleFrameId = t; 
-}
-
-
-int BvhNode::GetAssumedVisibleFrameId() const 
-{ 
-        return mVisibility.mAssumedVisibleFrameId;
-}
-
-
-int BvhNode::GetLastQueriedFrame() const
-{
-        return mVisibility.mLastQueriedFrame;
-}
-
-
-void BvhNode::SetLastQueriedFrame(int lastTested)
-{
-        mVisibility.mLastQueriedFrame = lastTested;
-}