Changeset 10314 in orxonox.OLD for trunk/src/lib/graphics/importer/bsp/bsp_manager.cc

Timestamp:

Jan 24, 2007, 12:45:39 AM (19 years ago)

Author:

patrick

Message:

merged branche mount_point to trunk. this will add mount point abilities, bsp transparency fix and some other smaller stuff to this trunk

File:

• trunk/src/lib/graphics/importer/bsp/bsp_manager.cc (modified) (1 diff)

trunk/src/lib/graphics/importer/bsp/bsp_manager.cc

@@ -298 +298 @@
   }//else
 
+
+  // now sort the transparent faces in the right order
+  int size = this->trasparent.size();
+
+  // bubble sort
+  bool hasSwapped = true;
+  Vector v1, v2;
+
+  while( hasSwapped)
+  {
+    hasSwapped = false;
+
+    for( int i = 0; i < size - 1; i++)
+    {
+      // sorting test
+      face& fac1 =  (this->bspFile->faces)[this->trasparent[i]];
+      face& fac2 =  (this->bspFile->faces)[this->trasparent[i+1]];
+
+      // get center of face 1
+      const BspVertex* curVertex = (BspVertex *) this->bspFile->vertice;
+
+      // assign the values of the vertices
+      v1(curVertex[fac1.vertex].position[0], curVertex[fac1.vertex].position[1], curVertex[fac1.vertex].position[2]);
+      v2(curVertex[fac2.vertex].position[0], curVertex[fac2.vertex].position[1], curVertex[fac2.vertex].position[2]);
+      // relativly to observer
+      v1 = this->cam - v1;
+      v2 = this->cam - v2;
+
+      // swap if necessary
+      if( v1 > v2)
+      {
+        // swap elements
+        int tmp = this->trasparent[i+1];
+        this->trasparent[i+1] = this->trasparent[i];
+        this->trasparent[i] = tmp;
+
+        hasSwapped = true;
+      }
+    }
+  }
+
+
+
+  // draw all solid faces
   while(!this->opal.empty()) {
-    this->draw_face(this->opal.front());
-    this->opal.pop_front();
-  }
+    this->draw_face(this->opal.back()); // front()
+    this->opal.pop_back();              // pop_back()
+  }
+
+  // draw all transparent faces
   while(!this->trasparent.empty()) {
     this->draw_face(this->trasparent.back());