Something

Index: src/common/engine/psworld.cpp
===================================================================
--- src/common/engine/psworld.cpp	(revision 966)
+++ src/common/engine/psworld.cpp	(working copy)
@@ -435,7 +435,85 @@
         Unload();
 }
 
+bool psRegion::LoadCD()
+{
+    if (loaded)
+        return true;
 
+    bool using3D;
+
+    csRef<iEngine> engine =  csQueryRegistry<iEngine> (object_reg);
+
+    // Find out if we are ever going to render 3D
+    csRef<iGraphics3D> g3d =  csQueryRegistry<iGraphics3D> (object_reg);
+    csRef<iFactory> factory = 
+        scfQueryInterface<iFactory> (g3d);
+
+    const char* g3Dname = factory->QueryClassID();
+    using3D = (strcmp("crystalspace.graphics3d.null", g3Dname)? true: false);
+
+    csString target;
+    target.Format("%s/world", (worlddir + "_cd").GetData());
+    csRef<iVFS> vfs =  csQueryRegistry<iVFS > ( object_reg);
+
+    csRef<iDocumentSystem> xml (
+        csQueryRegistry<iDocumentSystem> (object_reg));
+
+    csRef<iDocument> doc = xml->CreateDocument();
+
+    csRef<iDataBuffer> buf (vfs->ReadFile (target.GetData()));
+    if (!buf || !buf->GetSize ())
+    {
+        Error2("Error loading world file. %s\n", target.GetData());
+        return false;
+    }
+
+    const char* error = doc->Parse( buf );
+
+    if( error )
+    {
+        Error3("Error %s loading file to be cleaned. %s\n",error, target.GetData());
+        return false;
+    }
+
+    csRef<iDocumentNode> worldNode = doc->GetRoot()->GetNode("world");
+
+    // Clean the world file to remove all textures/meshes/models
+    Debug1(LOG_LOAD, 0,"Cleaning map file.");
+    worldNode = Clean(worldNode);
+
+    // Create a new region with the given name, or select it if already there
+    iRegion* cur_region = engine->CreateRegion (regionname);
+
+    // Now load the map into the selected region
+    csRef<iLoader> loader ( csQueryRegistry<iLoader> (object_reg));
+    CS_ASSERT (loader != NULL);
+    csRef<iVFS> VFS ( csQueryRegistry<iVFS> (object_reg));
+    CS_ASSERT (VFS != NULL);
+    VFS->ChDir (worlddir);
+    engine->SetCacheManager(NULL);
+
+    csTicks start = csGetTicks();
+    Debug2(LOG_LOAD, 0,"Loading map file %s", worlddir.GetData());
+
+    if (!loader->LoadMap(worldNode, CS_LOADER_KEEP_WORLD,cur_region, CS_LOADER_ACROSS_REGIONS, false, 0, MaterialManager::GetSingletonPtr()))
+    {
+        Error3("loader->LoadMapFile(%s,%s) failed.",worlddir.GetData(),worldfile.GetData() );
+        Error2("Region name was: %s", regionname.GetData() );
+        return false;
+    }
+    Debug2(LOG_LOAD, 0,"After LoadMapFile, %dms elapsed", csGetTicks()-start);
+    SetupWorldColliders(engine,cur_region);
+    Debug2(LOG_LOAD, 0,"After SetupWorldColliders, %dms elapsed\n", csGetTicks()-start);
+
+    VFS->ChDir("/planeshift");
+    engine->SetCacheManager(NULL);
+    engine->GetCacheManager();
+
+    printf("Map %s loaded successfully in %dms\n", (const char *)regionname, csGetTicks()-start);
+    return true;
+}
+
 bool psRegion::Load(bool loadMeshes)
 {
     if (loaded)
@@ -489,9 +567,6 @@
     // Create a new region with the given name, or select it if already there
     iRegion* cur_region = engine->CreateRegion (regionname);
 
-    // Clear it out if it already existed
-    cur_region->DeleteAll ();
-
     // Now load the map into the selected region
     csRef<iLoader> loader ( csQueryRegistry<iLoader> (object_reg));
     CS_ASSERT (loader != NULL);
@@ -503,7 +578,7 @@
     csTicks start = csGetTicks();
     Debug2(LOG_LOAD, 0,"Loading map file %s", worlddir.GetData());
 
-    if (!loader->LoadMap(worldNode, CS_LOADER_KEEP_WORLD,cur_region, CS_LOADER_ACROSS_REGIONS, true, 0, MaterialManager::GetSingletonPtr()))
+    if (!loader->LoadMap(worldNode, CS_LOADER_KEEP_WORLD,cur_region, CS_LOADER_ACROSS_REGIONS, false, 0, MaterialManager::GetSingletonPtr()))
     {
         Error3("loader->LoadMapFile(%s,%s) failed.",worlddir.GetData(),worldfile.GetData() );
         Error2("Region name was: %s", regionname.GetData() );
@@ -523,13 +598,11 @@
         engine->PrecacheDraw (cur_region);
         Debug2(LOG_LOAD, 0,"After Precache, %dms elapsed", csGetTicks()-start);
     }
-
     if (loadMeshes)
     {
-        SetupWorldColliders(engine,cur_region);
-        Debug2(LOG_LOAD, 0,"After SetupWorldColliders, %dms elapsed\n", csGetTicks()-start);
+        //SetupWorldColliders(engine,cur_region);
+        LoadCD();
     }
-
     loaded = true;
 
     VFS->ChDir("/planeshift");
Index: src/common/engine/psworld.h
===================================================================
--- src/common/engine/psworld.h	(revision 966)
+++ src/common/engine/psworld.h	(working copy)
@@ -73,6 +73,8 @@
      */
     bool Load(bool loadMeshes = true);
 
+    bool LoadCD();
+
     /**
      * Unloads the region from the CS engine, deleting all objects
      * in that region.