Changeset 2123 for GTP/trunk/Lib/Vis/OnlineCullingCHC/ObjReader/src/ObjReader.cpp

Timestamp:

02/17/07 22:48:12 (17 years ago)

Author:

mattausch

Message:

worded on obj loading in Ogre

File:

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

GTP/trunk/Lib/Vis/OnlineCullingCHC/ObjReader/src/ObjReader.cpp

@@ -8 +8 @@
 #include "PreprocessorFactory.h"
 #include "OgreLogManager.h"
+#include "ObjManualMeshLoader.h"
 
 
@@ -17 +18 @@
 
 ObjReader::~ObjReader()
-{}
+{
+        CLEAR_CONTAINER(mPvsObjects);
+}
 
 
@@ -31 +34 @@
         // hack
         preprocessor->mLoadMeshes = false;
-        GtpVisibilityPreprocessor::ObjectContainer pvsObjects;
 
-        Ogre::LogManager::getSingleton().logMessage("loading obj scene!!");
+        Ogre::LogManager::getSingleton().logMessage("loading obj scene");
 
         if (preprocessor->LoadScene(sceneName))
@@ -39 +41 @@
                 Ogre::LogManager::getSingleton().logMessage("scene loaded, loading objects");
                 // form objects from the scene triangles
-                if (!preprocessor->LoadObjects(visibilitySolution, pvsObjects, preprocessor->mObjects))
+                if (!preprocessor->LoadObjects(visibilitySolution, mPvsObjects, preprocessor->mObjects))
                 {
                         Ogre::LogManager::getSingleton().logMessage("objects cannot be loaded");
@@ -52 +54 @@
 
         std::stringstream d; 
-        d << "successfully loaded " << pvsObjects.size() << " objects from " << preprocessor->mObjects.size() << " preprocessor objects";
+        d << "successfully loaded " << mPvsObjects.size() << " objects from " << preprocessor->mObjects.size() << " preprocessor objects";
 
         Ogre::LogManager::getSingleton().logMessage(d.str());
 
-        GtpVisibilityPreprocessor::ObjectContainer::const_iterator oit, oit_end = pvsObjects.end();
+        GtpVisibilityPreprocessor::ObjectContainer::const_iterator oit, oit_end = mPvsObjects.end();
 
         int i = 0;
-        for (oit = pvsObjects.begin(); oit != oit_end; ++ oit, ++ i)
+        for (oit = mPvsObjects.begin(); oit != oit_end; ++ oit, ++ i)
         {
-                Ogre::LogManager::getSingleton().logMessage("r");
+                if (i % 5000 == 4999)
+                {
+                        d << i << " objects created" << endl;
+                }
+        
                 const Ogre::String entname = "Object" + Ogre::StringConverter::toString(i);
 
-                Ogre::ManualObject *ent = CreateEntity(entname, *oit);
+#if 0
+                Ogre::ManualObject *ent = CreateManualObject(entname, *oit);
+#else
+                Ogre::Entity *ent = CreateEntity(entname, *oit);
+#endif
 
                 const Ogre::String nodeName = entname + "Node";
@@ -70 +80 @@
                 node->attachObject(ent);
 
-                if (i > 100)
-                        break;
+                // problems for too many objects (= vbo)?
+                //if (i > 30000)break;
         }
 
@@ -89 +99 @@
         std::string entityName = name + "Entity";
 
-GtpVisibilityPreprocessor::BvhLeaf *bvhObj = 
+        GtpVisibilityPreprocessor::BvhLeaf *bvhObj = 
                 static_cast<GtpVisibilityPreprocessor::BvhLeaf *>(object);
+
         const int vertexCount = (int)bvhObj->mObjects.size() * 3;
 
         ManualObject* manual = mSceneManager->createManualObject(entityName);
-        manual->begin("BaseWhiteNoLighting", RenderOperation::OT_LINE_STRIP);
+        manual->begin("BaseWhite", RenderOperation::OT_TRIANGLE_LIST);
         
+        const float red = GtpVisibilityPreprocessor::Random(1.0f);
+        const float green = GtpVisibilityPreprocessor::Random(1.0f);
+        const float blue = GtpVisibilityPreprocessor::Random(1.0f);
+
         // create vertices
-        
-        GtpVisibilityPreprocessor::ObjectContainer::const_iterator oit, oit_end = bvhObj->mObjects.end();
+        GtpVisibilityPreprocessor::ObjectContainer::const_iterator oit, 
+                oit_end = bvhObj->mObjects.end();
         
         for (oit = bvhObj->mObjects.begin(); oit != oit_end; ++ oit)
@@ -110 +125 @@
                 {
                         const GtpVisibilityPreprocessor::Vector3 vtx = tri.mVertices[i];
+                        const GtpVisibilityPreprocessor::Vector3 n = tri.GetNormal();
+
                         manual->position(vtx.x, vtx.y, vtx.z);
-                        manual->colour(1.0f, 0.0f, 0.0f);
+                        manual->normal(n.x, n.y, n.z);
+                        //manual->colour(red, green, blue);
                 }
         }
 
+        if (0)
         for (int i = 0; i < vertexCount; ++ i)
         {
                 manual->index(i);
         }
+
+        manual->end();
 
         return manual;
@@ -137 +158 @@
         std::string entityName = name + "Entity";
 
-        MeshPtr mesh = MeshManager::getSingleton().createManual(meshName, "Custom");
-        SubMesh* submesh = mesh->createSubMesh();
+        ObjManualMeshLoader *loader = new ObjManualMeshLoader(bvhObj);
 
-        const int vertexCount = (int)bvhObj->mObjects.size() * 3;
-
-        // We must create the vertex data, indicating how many vertices there will be
-        submesh->useSharedVertices = false;
-        submesh->vertexData = new VertexData();
-        submesh->vertexData->vertexStart = 0;
-        submesh->vertexData->vertexCount = vertexCount;
-
-        std::stringstream d; d << "objects: " << bvhObj->mObjects.size() << " vtx: " << submesh->vertexData->vertexCount << endl;
-        Ogre::LogManager::getSingleton().logMessage(d.str());
-
-        static const unsigned short source = 0;
-        size_t offset = 0;
-
-        VertexDeclaration* declaration = HardwareBufferManager::getSingleton().createVertexDeclaration();
-
-        offset += declaration->addElement(source, offset, VET_FLOAT3, VES_POSITION).getSize();
-        //offset += declaration->addElement(source, offset, VET_FLOAT3,VES_NORMAL).getSize();
-        //offset += declaration->addElement(source, offset, VET_FLOAT2,VES_TEXTURE_COORDINATES).getSize();
-
-
-        int numVertices = 0;
-
-        HardwareVertexBufferSharedPtr vbuffer = HardwareBufferManager::getSingleton().
-                createVertexBuffer(declaration->getVertexSize(source),
-                                                   submesh->vertexData->vertexCount,
-                                                   HardwareBuffer::HBU_STATIC_WRITE_ONLY);
-
-    // No we get access to the buffer to fill it.  During so we record the bounding box.
-        AxisAlignedBox aabox;
-
-        float* vdata = static_cast<float*>(vbuffer->lock(HardwareBuffer::HBL_DISCARD));
-
-        GtpVisibilityPreprocessor::ObjectContainer::const_iterator oit, oit_end = bvhObj->mObjects.end();
-
-        for (oit = bvhObj->mObjects.begin(); oit != oit_end; ++ oit)
-        {
-                GtpVisibilityPreprocessor::TriangleIntersectable *tObj = 
-                        static_cast<GtpVisibilityPreprocessor::TriangleIntersectable *>(*oit);
-                
-                GtpVisibilityPreprocessor::Triangle3 tri = tObj->GetItem();
-
-                for (int i = 0; i < 3; ++ i)
-                {
-                        Vector3 vtx = Vector3(tri.mVertices[i]);
-
-                        *vdata ++ = vtx.x;
-                        *vdata ++ = vtx.y;
-                        *vdata ++ = vtx.z;
-
-                        //std::stringstream d; d << vtx;
-                        //Ogre::LogManager::getSingleton().logMessage(d.str());
-                        aabox.merge(vtx);
-                }
-        }
-        //Ogre::LogManager::getSingleton().logMessage("***");
-        vbuffer->unlock();
-        
-        /*Ogre::RenderOperation rop;
-        submesh->_getRenderOperation(rop);
-        rop.useIndexes = false;
-*/
-        //////
-        //-- Creates the index data
-
-    submesh->vertexData->vertexBufferBinding->setBinding(source, vbuffer);
-
-        submesh->indexData->indexStart = 0;
-        // we use an index for every vertex
-        submesh->indexData->indexCount = vertexCount;
-        submesh->indexData->indexBuffer =
-            HardwareBufferManager::getSingleton().
-                        createIndexBuffer(HardwareIndexBuffer::IT_16BIT,
-                                                          submesh->indexData->indexCount,
-                                                          HardwareBuffer::HBU_STATIC_WRITE_ONLY);
-        submesh->operationType = RenderOperation::OT_LINE_STRIP;
-        //uint16* idata = static_cast<uint16*>(submesh->indexData->indexBuffer->lock(HardwareBuffer::HBL_DISCARD));
-    unsigned short* idata = static_cast<unsigned short*>(submesh->indexData->indexBuffer->lock(HardwareBuffer::HBL_DISCARD));
-
-        for (int j = 0; j < vertexCount; ++ j)
-    {
-                *idata = j;
-                ++ idata;
-    }
-    
-        submesh->indexData->indexBuffer->unlock();
-
-        submesh->setMaterialName("BaseWhiteNoLighting"); 
-
-        // We must indicate the bounding box
-        mesh->_setBounds(aabox); 
-        mesh->_setBoundingSphereRadius((aabox.getMaximum() - aabox.getMinimum()).length() / 2.0); 
-        mesh->load();
-        mesh->touch();
+        Mesh* pMesh = MeshManager::getSingleton().createManual(meshName, "ObjGroup", loader).getPointer(); 
+        pMesh->load(); 
 
         // Create an entity with the mesh
         entity = mSceneManager->createEntity(entityName, meshName);
 
-        //entity->setRenderQueueGroup(Ogre::RENDER_QUEUE_MAIN);
+        return entity;
+}
 
-        return entity;
-#endif
-}