Changeset 863 for GTP/trunk/Lib/Vis/OnlineCullingCHC

Timestamp:

04/29/06 19:11:23 (19 years ago)

Author:

mattausch

Message:

working on preprocessor integration
added iv stuff

Location:

GTP/trunk/Lib/Vis/OnlineCullingCHC

Files:

• IVReader (copied) (copied from obsolete/trunk/VUT/work/IVReader)
• OGRE/include/OgreOcclusionCullingSceneManager.h (modified) (3 diffs)
• OGRE/include/OgreTypeConverter.h (modified) (1 diff)
• OGRE/include/OgreVisibilityOctreeSceneManager.h (modified) (1 diff)
• OGRE/scripts/Plugin_VisibilitySceneManager.vcproj (modified) (3 diffs)
• OGRE/src/OgreOcclusionCullingSceneManager.cpp (modified) (5 diffs)
• OGRE/src/OgreTypeConverter.cpp (modified) (1 diff)
• iv (copied) (copied from obsolete/trunk/VUT/work/iv)

GTP/trunk/Lib/Vis/OnlineCullingCHC/OGRE/include/OgreOcclusionCullingSceneManager.h

@@ -12 +12 @@
 #include "VisibilityManager.h"
 #include "ViewCellsManager.h"
+
+//class GtpVisibilityPreprocessor::ViewCellsManager;
 
 
@@ -118 +120 @@
         void InitVisibilityCulling(Camera *cam);
 
+        /** Finds object corresponding to this bounding box in the scene.
+        */
+        MovableObject *FindCorrespondingObject(const AxisAlignedBox &box);
+
+        /** Identifies objects in the scene and gives them unique ids that
+                correspond to preprocessor ids.
+        */
+        void IdentifyObjects(GtpVisibilityPreprocessor::ObjectContainer &objects);
+
         /// the interface to the scene hierarchy.
         OctreeHierarchyInterface *mHierarchyInterface;
@@ -164 +175 @@
         /// Always execute the vertex program of a pass, e.g., for the depth pass or item buffer
         bool mExecuteVertexProgramForAllPasses;
-
+        /// if hierarchical culling is currently in use
         bool mIsHierarchicalCulling;
 
-        ViewCellsManager *mViewCellsManager;
+        GtpVisibilityPreprocessor::ViewCellsManager *mViewCellsManager;
 };
 

GTP/trunk/Lib/Vis/OnlineCullingCHC/OGRE/include/OgreTypeConverter.h

@@ -1 +1 @@
 #ifndef _OgreTypeConverter_H__
 #define _OgreTypeConverter_H__
-
+ 
+#include "OgreAxisAlignedBox.h"
 #include "AxisAlignedBox3.h"
-#include "OgreAxisAlignedBox.h"
 #include "Vector3.h"
-#include "OgreVector3.h"
 
 
 namespace Ogre {
-  
+ 
 /**
-        Class which converts our types to OGRE types
+        Class which converts preprocessor types to OGRE types
 */
 class __declspec(dllexport) OgreTypeConverter
 {
 public:
-
+        /** Converts Ogre AABB to preprocessor AABB.
+        */
         static GtpVisibilityPreprocessor::AxisAlignedBox3 ConvertFromOgre(const AxisAlignedBox &box);
+        /** Converts Ogre vector to preprocessor vector.
+        */
         static GtpVisibilityPreprocessor::Vector3 ConvertFromOgre(const Vector3 &v);
-        
+        /** Converts preprocessor AABB to Ogre AABB.
+        */
         static AxisAlignedBox ConvertToOgre(const GtpVisibilityPreprocessor::AxisAlignedBox3 &box);
+        /** Converts preprocessor vector to Ogre vector.
+        */
         static Vector3 ConvertToOgre(const GtpVisibilityPreprocessor::Vector3 &v);
 };

GTP/trunk/Lib/Vis/OnlineCullingCHC/OGRE/include/OgreVisibilityOctreeSceneManager.h

@@ -104 +104 @@
         void InitVisibilityCulling(Camera *cam);
         
+
+
         /// the interface to the scene hierarchy.
         OctreeHierarchyInterface *mHierarchyInterface;

GTP/trunk/Lib/Vis/OnlineCullingCHC/OGRE/scripts/Plugin_VisibilitySceneManager.vcproj

@@ -88 +88 @@
                                 EnableFiberSafeOptimizations="TRUE"
                                 OptimizeForProcessor="2"
-                                AdditionalIncludeDirectories=""$(OGRE_PATH)\PlugIns\OctreeSceneManager\include";"$(OGRE_PATH)\Samples\Common\include";"$(OGRE_PATH)\Dependencies\include\CEGUI";"$(OGRE_PATH)\Samples\Common\CEGUIRenderer\include";"$(OGRE_PATH)\OgreMain\include";"$(OGRE_PATH)\Dependencies\include";..\include;..\..\..\OnlineCullingCHC\include;..\..\..\Preprocessing\include"
+                                AdditionalIncludeDirectories=""$(OGRE_PATH)\PlugIns\OctreeSceneManager\include";"$(OGRE_PATH)\Samples\Common\include";"$(OGRE_PATH)\Dependencies\include\CEGUI";"$(OGRE_PATH)\Samples\Common\CEGUIRenderer\include";"$(OGRE_PATH)\OgreMain\include";"$(OGRE_PATH)\Dependencies\include";..\include;..\..\..\OnlineCullingCHC\include;..\..\..\Preprocessing\src"
                                 PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;GTP_VISIBILITY_MODIFIED_OGRE"
                                 StringPooling="TRUE"
@@ -198 +198 @@
                                 </File>
                                 <File
+                                        RelativePath="..\include\OgreMeshInstance.h">
+                                </File>
+                                <File
                                         RelativePath="..\include\OgreOcclusionQueriesQueryManager.h">
                                 </File>
@@ -234 +237 @@
                                 Name="Source Files"
                                 Filter="cpp;c;cxx;def;odl;idl;hpj;bat;asm">
+                                <File
+                                        RelativePath="..\src\OgreMeshInstance.cpp">
+                                </File>
                                 <File
                                         RelativePath="..\src\OgreOcclusionQueriesQueryManager.cpp">

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

@@ -1 +1 @@
 #include "OgreOcclusionCullingSceneManager.h"
 #include "OgreVisibilityOptionsManager.h"
+#include "OgreTypeConverter.h"
 #include <OgreMath.h>
 #include <OgreIteratorWrappers.h>
@@ -9 +10 @@
 #include <OgreEntity.h>
 #include <OgreSubEntity.h>
+#include <OgreIteratorWrappers.h>
 #include "VspBspTree.h"
-#include <OgreIteratorWrappers.h>
+#include "Containers.h"
+#include "ViewCellsManager.h"
 
 namespace Ogre {
@@ -38 +41 @@
         mHierarchyInterface = new OctreeHierarchyInterface(this, mDestRenderSystem);
         
-        //mDisplayNodes = true;
-        //mShowBoundingBoxes = true;
-        //mShowBoxes = true;
-//std::stringstream d; d << "here555";
-//mDummyLog.open("");
-
+#if 0
+        mDisplayNodes = true;
+        mShowBoundingBoxes = true;
+        mShowBoxes = true;
+#endif
         // TODO: set maxdepth to reasonable value
         mMaxDepth = 50;
@@ -836 +838 @@
 }
 
-/*bool OcclusionCullingSceneManager::CompareBoundingBoxes(const AxisAlignedBox &boxa, 
-                                                                                                                const AxisAlignedBox &boxb)
-{
-}
-*/
-void OcclusionCullingSceneManager::LoadViewCells(string filename)
-{
-        ObjectContainer objects;
-        mViewCellsManager->LoadViewCells(filename, &objects);
-
-        AxisAlignedBox box;
+
+MovableObject *OcclusionCullingSceneManager::FindCorrespondingObject(const AxisAlignedBox &box)
+{
         list<SceneNode *> sceneNodeList;
 
@@ -853 +847 @@
         list<SceneNode *>::const_iterator sit, sit_end = sceneNodeList.end();
 
-        for (sit = sceneNodeList.begin(); sit != sceneNodeList.end(); ++ sit)
+        bool overlap = false;
+
+        MovableObject *bestFittingObj = NULL;
+        float bestFit = 0.0;
+        
+        // find the bbox which is closest to the current bbox
+        for (sit = sceneNodeList.begin(); sit != sceneNodeList.end(), !overlap; ++ sit)
         {
                 SceneNode *sn = *sit;
                 SceneNode::ObjectIterator oit = sn->getAttachedObjectIterator();
 
-                 while (oit.hasMoreElements())
-                 {
+        while (oit.hasMoreElements())
+                {
                          MovableObject *mo = oit.getNext();
-                         AxisAlignedBox bbox = mo->getWorldBoundingBox();
-//              CompareBoundingBoxes(*oit, box);
-                 }
+                         const AxisAlignedBox bbox = mo->getWorldBoundingBox();
+                         
+                         const float overlap = GtpVisibilityPreprocessor::FactorOfOverlap(
+                                 OgreTypeConverter::ConvertFromOgre(bbox), 
+                                 OgreTypeConverter::ConvertFromOgre(box));
+
+                         if (overlap > bestFit)
+                         {
+                                 bestFit = overlap;
+                                 bestFittingObj = mo;
+
+                                 // perfect fit => object found
+                                 if (overlap > (1.0 - GtpVisibilityPreprocessor::Limits::Small))
+                                        break;
+                         }
+                }
+        }
+
+        return bestFittingObj;
+}
+
+
+void OcclusionCullingSceneManager::LoadViewCells(string filename)
+{
+        GtpVisibilityPreprocessor::ObjectContainer objects;
+        // identify the corresponding Ogre meshes using the bounding boxes
+        IdentifyObjects(objects);
+
+        // load the view cells assigning the found objects to the pvss
+        mViewCellsManager->LoadViewCells(filename, &objects);
+}
+
+
+void OcclusionCullingSceneManager::IdentifyObjects(GtpVisibilityPreprocessor::ObjectContainer &objects)
+{
+        const string bboxesFilename = "boxes.out";
+
+        GtpVisibilityPreprocessor::IndexedBoundingBoxContainer iboxes;
+        mViewCellsManager->LoadBoundingBoxes(bboxesFilename, iboxes);
+
+        GtpVisibilityPreprocessor::IndexedBoundingBoxContainer::
+                const_iterator iit, iit_end = iboxes.end();
+
+        for (iit = iboxes.begin(); iit != iit_end; ++ iit)
+        {
+                  const GtpVisibilityPreprocessor::AxisAlignedBox3 box = (*iit).second;
+                  const AxisAlignedBox currentBox = OgreTypeConverter::ConvertToOgre(box);
+                  
+                  MovableObject *mo = FindCorrespondingObject(currentBox);
+
+                  //objects.push_back(mi);
         }
 }

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

@@ -2 +2 @@
 
 
-GtpVisibilityPreprocessor::AxisAlignedBox3 Ogre::OgreTypeConverter::ConvertFromOgre(const Ogre::AxisAlignedBox &box)
+namespace Ogre
 {
+
+GtpVisibilityPreprocessor::AxisAlignedBox3 OgreTypeConverter::ConvertFromOgre(const AxisAlignedBox &box)
+{
+        const GtpVisibilityPreprocessor::Vector3 bmin = ConvertFromOgre(box.getMinimum());
+        const GtpVisibilityPreprocessor::Vector3 bmax = ConvertFromOgre(box.getMaximum());
+
+        return GtpVisibilityPreprocessor::AxisAlignedBox3(bmin, bmax);
 }
 
-GtpVisibilityPreprocessor::Vector3 Ogre::OgreTypeConverter::ConvertFromOgre(const Ogre::Vector3 &v)
+GtpVisibilityPreprocessor::Vector3 OgreTypeConverter::ConvertFromOgre(const Vector3 &v)
 {
+    return GtpVisibilityPreprocessor::Vector3(v.x, v.y, v.z);
 }
         
-Ogre::AxisAlignedBox Ogre::OgreTypeConverter::ConvertToOgre(const GtpVibilityPreprocessor::AxisAlignedBox3 &box)
+AxisAlignedBox OgreTypeConverter::ConvertToOgre(const GtpVisibilityPreprocessor::AxisAlignedBox3 &box)
 {
+        const Vector3 bmin = ConvertToOgre(box.Min());
+        const Vector3 bmax = ConvertToOgre(box.Max());
+
+        return AxisAlignedBox(bmin, bmax);
 }
 
-Ogre::Vector3 Ogre::OgreTypeConverter::ConvertToOgre(const GtpVibilityPreprocessor::Vector3 &v)
+Vector3 OgreTypeConverter::ConvertToOgre(const GtpVisibilityPreprocessor::Vector3 &v)
 {
+        return Vector3(v.getX(), v.getY(), v.getZ());
 }
+}