Changeset 2171 for GTP/trunk/Lib/Vis/OnlineCullingCHC/OGRE/src/OgrePlatformQueryManager.cpp

Timestamp:

02/27/07 10:25:01 (17 years ago)

Author:

mattausch

Message:

implemented function for exact visibility queries

File:

• GTP/trunk/Lib/Vis/OnlineCullingCHC/OGRE/src/OgrePlatformQueryManager.cpp (modified) (9 diffs)

GTP/trunk/Lib/Vis/OnlineCullingCHC/OGRE/src/OgrePlatformQueryManager.cpp

@@ -27 +27 @@
 }
 //-----------------------------------------------------------------------
-void PlatformQueryManager::ComputeFromPointVisibility(const Vector3 &point,
-                               GtpVisibility::NodeInfoContainer *visibleNodes,
-                               GtpVisibility::MeshInfoContainer *visibleGeometry,
-                                   GtpVisibility::PatchInfoContainer *visiblePatches,
-                               bool relativeVisibility)
-{
-        SceneManager *sm = //static_cast<PlatformHierarchyInterface *>
+void PlatformQueryManager::ComputeFromPointVisibility(
+                                        const Vector3 &point,
+                                        GtpVisibility::NodeInfoContainer *visibleNodes,
+                                        GtpVisibility::MeshInfoContainer *visibleGeometry,
+                                        GtpVisibility::PatchInfoContainer *visiblePatches,
+                                        bool relativeVisibility)
+{
+        SceneManager *sm =
                 static_cast<PlatformHierarchyInterface *>
-                (mHierarchyInterface)->GetSceneManager();
+                                                                (mHierarchyInterface)->GetSceneManager();
 
         // create a camera for the point query
@@ -43 +44 @@
         Camera *savedCam = mViewport->getCamera();
         
-        // --- initialise new camera
+        
+        //////////////
+        //-- initialise new camera
+
         mViewport->setCamera(cam);
         cam->setPosition(point);
@@ -56 +60 @@
         int sign = -1;
         
-        // ---- capture visibility from all 6 directions
+        ///////////////
+        //-- capture visibility from all 6 directions
+
         for (int dir=0; dir < 6; dir++) 
         {
@@ -62 +68 @@
                 
                 // Print camera details
-        std::stringstream d;
-                d << "Point query camera: " + StringConverter::toString(cam->getDerivedPosition()) + 
-                        " " + "O: " + StringConverter::toString(cam->getDerivedOrientation());
-                LogManager::getSingleton().logMessage(d.str());
+        if (0)
+                {
+                        std::stringstream d;
+                        d << "Point query camera: " + StringConverter::toString(cam->getDerivedPosition()) + 
+                                " " + "O: " + StringConverter::toString(cam->getDerivedOrientation());
+                        LogManager::getSingleton().logMessage(d.str());
+                }
 
                 // prevent from initialising geometry / node array again
@@ -73 +82 @@
                 }
 
-                ComputeCameraVisibility(*cam, visibleNodes, visibleGeometry, visiblePatches, 
+                ComputeCameraVisibility(*cam, 
+                                                                visibleNodes, 
+                                                                visibleGeometry, 
+                                                                visiblePatches, 
                                             relativeVisibility);
                 //mViewport->getTarget()->update(); for(int j=0; j<10000000; j++)       printf("wait");
@@ -79 +91 @@
                 // permute directions
                 Vector3 direction(0,0,0);
-                direction[dir/2] = sign;
+                direction[dir / 2] = sign;
 
                 cam->setDirection(direction);
@@ -88 +100 @@
 }
 //-----------------------------------------------------------------------
-void PlatformQueryManager::ComputeCameraVisibility(const Camera &camera,
-                            GtpVisibility::NodeInfoContainer *visibleNodes,
-                            GtpVisibility::MeshInfoContainer *visibleGeometry,
-                                GtpVisibility::PatchInfoContainer *visiblePatches,
-                            bool relativeVisibility)
+void PlatformQueryManager::ComputeCameraVisibility(
+                                                                const Camera &camera,
+                                                                GtpVisibility::NodeInfoContainer *visibleNodes,
+                                                                GtpVisibility::MeshInfoContainer *visibleGeometry,
+                                                                GtpVisibility::PatchInfoContainer *visiblePatches,
+                                                                bool relativeVisibility)
 {
         // we need access to the scene manager and the rendersystem
         PlatformHierarchyInterface *pfHierarchyInterface = 
-                //static_cast<PlatformHierarchyInterface *>(mHierarchyInterface);
                 static_cast<PlatformHierarchyInterface *>(mHierarchyInterface);
 
@@ -113 +125 @@
         mViewport->setBackgroundColour(ColourValue(0, 0, 0, 0));
         //pfHierarchyInterface->GetRenderSystem()->clearFrameBuffer(FBT_COLOUR | FBT_DEPTH);
+
 #ifdef ITEM_BUFFER
         // initialise item buffer (if not already initialised)
         InitItemBuffer(visibleGeometry, visiblePatches);
 
+        //////////
         //-- render scene with item buffer (i.e., objects with their id as color codes)
 
@@ -127 +141 @@
    
 #ifdef ITEM_BUFFER
+        /////////
         //-- collect results
         CollectItemBufferResults(visibleGeometry, visiblePatches);
 
-        //-- reset options
-
+        /////////
+        //-- reset state
         useItemBuffer = false; // don't need item buffer anymore
         sm->setOption("UseItemBuffer", &useItemBuffer);