Changeset 6926 for code/branches/presentation3/src/orxonox/graphics/Model.cc

Timestamp:

May 20, 2010, 10:23:22 AM (14 years ago)

Author:

scheusso

Message:

merging lod branch into presentation3 merger branch

Location:

code/branches/presentation3

Files:

• . (modified) (1 prop)
• src/orxonox/graphics/Model.cc (modified) (6 diffs)

code/branches/presentation3/src/orxonox/graphics/Model.cc

@@ -35 +35 @@
 #include "core/XMLPort.h"
 #include "Scene.h"
+#include "graphics/MeshLodInformation.h"
+#include "Level.h"
 
 namespace orxonox
@@ -47 +49 @@
 
         this->registerVariables();
+        //LoD
+        this->lodLevel_=5;
     }
 
@@ -58 +62 @@
     {
         SUPER(Model, XMLPort, xmlelement, mode);
-
+        
+        XMLPortParam(Model, "lodLevel", setLodLevel, getLodLevel, xmlelement, mode);
+        
         XMLPortParam(Model, "mesh", setMeshSource, getMeshSource, xmlelement, mode);
         XMLPortParam(Model, "shadow", setCastShadows, getCastShadows, xmlelement, mode).defaultValues(true);
@@ -69 +75 @@
     }
 
+    float Model::getBiggestScale(Vector3 scale3d)
+    {
+        float scaleFactor = scale3d.x;
+        if(scale3d.y>scaleFactor)
+            scaleFactor = scale3d.y;
+        if(scale3d.z>scaleFactor)
+            scaleFactor = scale3d.z;
+        return scaleFactor;
+    }
+    
     void Model::changedMesh()
     {
@@ -75 +91 @@
             if (this->mesh_.getEntity())
                 this->detachOgreObject(this->mesh_.getEntity());
-
+            
             this->mesh_.setMeshSource(this->getScene()->getSceneManager(), this->meshSrc_);
 
@@ -83 +99 @@
                 this->mesh_.getEntity()->setCastShadows(this->bCastShadows_);
                 this->mesh_.setVisible(this->isVisible());
+                
+                //LOD
+                if(this->mesh_.getEntity()->getMesh()->getNumLodLevels()==1
+                    &&this->meshSrc_!="laserbeam.mesh")
+                {
+                    float scaleFactor = 1;
+                    BaseObject* creatorPtr = this;
+                    
+                    while(creatorPtr!=NULL&&orxonox_cast<WorldEntity*>(creatorPtr))
+                    {
+                        scaleFactor *= getBiggestScale(((WorldEntity*) creatorPtr)->getScale3D());
+                        creatorPtr = creatorPtr->getCreator();
+                    }
+                    
+                    Level* level_ = this->getLevel();
+                    
+                    MeshLodInformation* lodInfo = level_->getLodInfo(this->meshSrc_);
+                    
+                    if(lodInfo!=0)
+                        setLodLevel(lodInfo->getLodLevel());
+                    
+                    COUT(0) << "Setting lodLevel for " << this->meshSrc_<< " with lodLevel_: " << this->lodLevel_ <<" and scale: "<< scaleFactor << ":" << std::endl;
+
+#if OGRE_VERSION >= 0x010700
+                    Ogre::Mesh::LodValueList distList;
+#else
+                    Ogre::Mesh::LodDistanceList distList;
+#endif
+
+                    if(lodLevel_>0&&lodLevel_<=5)
+                    {
+                        float factor = scaleFactor*5/lodLevel_;
+                        
+                        COUT(0)<<"LodLevel set with factor: "<<factor<<std::endl;
+
+                        distList.push_back(70.0f*factor);
+                        distList.push_back(140.0f*factor);
+                        distList.push_back(170.0f*factor);
+                        distList.push_back(200.0f*factor);
+                        distList.push_back(230.0f*factor);
+                        distList.push_back(250.0f*factor);
+                        distList.push_back(270.0f*factor);
+                        distList.push_back(290.0f*factor);
+                        distList.push_back(310.0f*factor);
+                        distList.push_back(330.0f*factor);
+
+                        float reductionValue = 0.15f;
+
+                        
+                        //Generiert LOD-Levels
+                        this->mesh_.getEntity()->getMesh()->generateLodLevels(distList, Ogre::ProgressiveMesh::VRQ_PROPORTIONAL, reductionValue);
+                    }
+                    else
+                    {
+                        std::string what;
+                        if(lodLevel_>5)
+                            what = ">5";
+                        else
+                            what = "<0";
+                        
+                        COUT(0)<<"LodLevel not set because lodLevel("<<lodLevel_<<") was "<<what<<"."<<std::endl;
+                    }
+                }
             }
         }