Changeset 13041 for OpenSceneGraph/trunk/src/osgSim/Impostor.cpp

Timestamp:

03/21/12 18:36:20 (14 months ago)

Author:

robert

Message:

Ran script to remove trailing spaces and tabs

Files:

• OpenSceneGraph/trunk/src/osgSim/Impostor.cpp (modified) (27 diffs)

OpenSceneGraph/trunk/src/osgSim/Impostor.cpp

@@ -1 @@
- /* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield 
+ /* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
  *
- * This library is open source and may be redistributed and/or modified under  
- * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or 
+ * This library is open source and may be redistributed and/or modified under
+ * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
  * (at your option) any later version.  The full license is in LICENSE file
  * included with this distribution, and on the openscenegraph.org website.
- * 
+ *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * OpenSceneGraph Public License for more details.
 */
@@ -20 +20 @@
 // use this cull callback to allow the camera to traverse the Impostor's children without
 // actuall having them assigned as children to the camea itself.  This make the camera a
-// decorator without ever directly being assigned to it. 
+// decorator without ever directly being assigned to it.
 class ImpostorTraverseNodeCallback : public osg::NodeCallback
 {
 public:
 
-    ImpostorTraverseNodeCallback(osgSim::Impostor* node):_node(node) {}                                                       
+    ImpostorTraverseNodeCallback(osgSim::Impostor* node):_node(node) {}
 
     virtual void operator()(osg::Node*, osg::NodeVisitor* nv)
@@ -31 +31 @@
         _node->LOD::traverse(*nv);
     }
-    
+
     osgSim::Impostor* _node;
 };
@@ -75 +75 @@
             Impostor* previous_owner = is->getParent();
             ImpostorSpriteList& isl = previous_owner->_impostorSpriteListBuffer[contextID];
-            
+
             // find and erase reference to is.
             for(ImpostorSpriteList::iterator itr=isl.begin();
@@ -89 +89 @@
         }
         is->setParent(this);
-        
+
     }
 }
@@ -120 +120 @@
         return;
     }
-    
+
 
     osg::Vec3 eyeLocal = nv.getEyePoint();
     const BoundingSphere& bs = getBound();
-    
+
     unsigned int contextID = cv->getState() ? cv->getState()->getContextID() : 0;
 
@@ -138 +138 @@
     }
     else
-    {    
+    {
 
         // within the impostor distance threshold therefore attempt
         // to use impostor instead.
-        
+
         RefMatrix& matrix = *cv->getModelViewMatrix();
 
         // search for the best fit ImpostorSprite;
         ImpostorSprite* impostorSprite = findBestImpostorSprite(contextID,eyeLocal);
-        
+
         if (impostorSprite)
         {
@@ -160 +160 @@
             }
         }
-        
+
 
 // need to think about sprite reuse and support for multiple context's.
@@ -171 +171 @@
             // create the impostor sprite.
             impostorSprite = createImpostorSprite(cv);
-            
+
             //if (impostorSprite) impostorSprite->_color.set(0.0f,0.0f,1.0f,1.0f);
 
         }
         //else impostorSprite->_color.set(1.0f,1.0f,1.0f,1.0f);
-        
+
         if (impostorSprite)
         {
-            
+
             // update frame number to show that impostor is in action.
             impostorSprite->setLastFrameUsed(cv->getTraversalNumber());
@@ -186 +186 @@
 
             StateSet* stateset = impostorSprite->getStateSet();
-            
+
             if (stateset) cv->pushStateSet(stateset);
-            
+
             cv->addDrawableAndDepth(impostorSprite, &matrix, distance(getCenter(),matrix));
 
             if (stateset) cv->popStateSet();
-            
-            
+
+
         }
         else
         {
-           // no impostor has been selected or created so default to 
+           // no impostor has been selected or created so default to
            // traversing the usual LOD selected child.
             LOD::traverse(nv);
         }
-                
+
     }
 }
@@ -215 +215 @@
           cv->setUserData(impostorSpriteManager);
      }
-    
-    
+
+
     // default to true right now, will dertermine if perspective from the
     // projection matrix...
@@ -237 +237 @@
     float distance_local = lv_local.length();
     lv_local /= distance_local;
-   
+
     Vec3 sv_local = lv_local^camera_up_local;
     sv_local.normalize();
-    
+
     Vec3 up_local = sv_local^lv_local;
-    
-    
+
+
     float width = bs.radius();
     if (isPerspectiveProjection)
@@ -250 +250 @@
         width *= (distance_local/sqrtf(distance_local*distance_local-bs.radius2()));
     }
-    
+
     // scale up and side vectors to sprite width.
     up_local *= width;
     sv_local *= width;
-    
+
     // create the corners of the sprite.
     Vec3 c00(center_local - sv_local - up_local);
@@ -273 +273 @@
     float s  = c11_win.x()-c00_win.x();
     float t  = c11_win.y()-c00_win.y();
- 
+
     // may need to reverse sign of width or height if a matrix has
     // been applied which flips the orientation of this subgraph.
@@ -282 +282 @@
     // the texture dimensions to the nearest power of two.
     // bias near 0.0 will almost always round down.
-    // bias near 1.0 will almost always round up. 
+    // bias near 1.0 will almost always round up.
     float bias = 0.7f;
 
@@ -295 +295 @@
     const osg::Viewport& viewport = *(cv->getViewport());
 
-    // if dimension is bigger than window divide it down.    
+    // if dimension is bigger than window divide it down.
     while (new_s>viewport.width()) new_s /= 2;
 
-    // if dimension is bigger than window divide it down.    
+    // if dimension is bigger than window divide it down.
     while (new_t>viewport.height()) new_t /= 2;
 
     // create the impostor sprite.
-    ImpostorSprite* impostorSprite = 
+    ImpostorSprite* impostorSprite =
         impostorSpriteManager->createOrReuseImpostorSprite(new_s,new_t,cv->getTraversalNumber()-cv->getNumberOfFrameToKeepImpostorSprites());
 
@@ -326 +326 @@
         stateset->setRenderBinDetails(10,"DepthSortedBin");
     }
-    
+
     osg::Texture2D* texture = impostorSprite->getTexture();
 
@@ -339 +339 @@
     Vec3* coords = impostorSprite->getCoords();
     Vec2* texcoords = impostorSprite->getTexCoords();
-    
+
     coords[0] = c01;
     texcoords[0].set(0.0f,1.0f);
@@ -351 +351 @@
     coords[3] = c11;
     texcoords[3].set(1.0f,1.0f);
-    
+
     impostorSprite->dirtyBound();
-    
+
     Vec3* controlcoords = impostorSprite->getControlCoords();
-    
+
     if (isPerspectiveProjection)
     {
@@ -363 +363 @@
         float one_minus_ratio = 1.0f-ratio;
         Vec3 eye_local_ratio = eye_local*ratio;
-        
+
         controlcoords[0] = coords[0]*one_minus_ratio + eye_local_ratio;
         controlcoords[1] = coords[1]*one_minus_ratio + eye_local_ratio;
@@ -387 +387 @@
     Vec3 center_world = bs.center()*matrix;
 
-    
+
     osg::Camera* camera = impostorSprite->getCamera();
     if (!camera)
@@ -396 +396 @@
 
     camera->setCullCallback(new ImpostorTraverseNodeCallback(this));
-    
+
     osgUtil::RenderStage* previous_stage = cv->getRenderStage();
-    
+
     // set up the background color and clear mask.
     osg::Vec4 clear_color = previous_stage->getClearColor();
@@ -404 +404 @@
     camera->setClearColor(clear_color);
     camera->setClearMask(previous_stage->getClearMask());
-    
-    
+
+
 // adjust camera left,right,up,down to fit (in world coords)
 
@@ -412 +412 @@
     Vec3 top_local   ( center_local+up_local);
     Vec3 right_local ( center_local+sv_local);
-    
+
     Vec3 near_world = near_local * matrix;
     Vec3 far_world = far_local * matrix;
     Vec3 top_world = top_local * matrix;
     Vec3 right_world = right_local * matrix;
-    
+
     float znear = (near_world-eye_world).length();
     float zfar  = (far_world-eye_world).length();
-        
+
     float top   = (top_world-center_world).length();
     float right = (right_world-center_world).length();
@@ -445 +445 @@
     Vec3 rotate_to   = cv-> getLookVectorLocal();
 
-    osg::Matrix rotate_matrix = 
-        osg::Matrix::translate(-eye_local)*        
+    osg::Matrix rotate_matrix =
+        osg::Matrix::translate(-eye_local)*
         osg::Matrix::rotate(rotate_from,rotate_to)*
         osg::Matrix::translate(eye_local)*
@@ -453 +453 @@
     camera->setReferenceFrame(osg::Transform::ABSOLUTE_RF);
     camera->setViewMatrix(rotate_matrix);
-    
+
     camera->setViewport(0,0,new_s,new_t);
 
@@ -467 +467 @@
     // do the cull traversal on the subgraph
     camera->accept(*cv);
-    
+
     return impostorSprite;