Changeset 347 for trunk/VUT/Ogre

Timestamp:

10/24/05 16:37:50 (19 years ago)

Author:

mattausch

Message:

fixed color bug
fixed terrain tile ch culling
made better terrain

Location:

trunk/VUT/Ogre

Files:

• include/OgreVisibilityTerrainSceneManager.h (modified) (1 diff)
• resources/terrain.cfg (modified) (2 diffs)
• src/OgreVisibilityTerrainSceneManager.cpp (modified) (1 diff)

trunk/VUT/Ogre/include/OgreVisibilityTerrainSceneManager.h

@@ -92 +92 @@
         void renderModulativeStencilShadowedQueueGroupObjects(RenderQueueGroup* pGroup);
 
+        /** Override standard function so octree boxes are always of equal side length.
+                This has advantages for CHC, because terrain tiles are in different octree nodes
+                and can be culled.
+        */
+        void setWorldGeometry( const String& filename );
+
 protected:
         

trunk/VUT/Ogre/resources/terrain.cfg

@@ -26 +26 @@
 
 # How large is each tile? Must be (2^n)+1 and be smaller than PageSize
-TileSize=129
+TileSize=65
 
 # The maximum error allowed when determining which LOD to use
@@ -34 +34 @@
 PageWorldX=5000
 PageWorldZ=5000
+
 # Maximum height of the terrain 
-MaxHeight=500
+MaxHeight=400
 
 # Upper LOD limit

trunk/VUT/Ogre/src/OgreVisibilityTerrainSceneManager.cpp

@@ -94 +94 @@
         //mItemBufferPass->setAmbient(1, 1, 0);
 }
+//-------------------------------------------------------------------------
+void VisibilityTerrainSceneManager::setWorldGeometry( const String& filename )
+{
+    // Clear out any existing world resources (if not default)
+    if (ResourceGroupManager::getSingleton().getWorldResourceGroupName() != 
+        ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME)
+    {
+        ResourceGroupManager::getSingleton().clearResourceGroup(
+            ResourceGroupManager::getSingleton().getWorldResourceGroupName());
+    }
+    mTerrainPages.clear();
+    // Load the configuration
+    loadConfig(filename);
+
+    // Resize the octree, allow for 1 page for now
+    float max_x = mOptions.scale.x * mOptions.pageSize;
+    float max_y = mOptions.scale.y;
+    float max_z = mOptions.scale.z * mOptions.pageSize;
+
+        float maxAxis = std::max(max_x, max_y);
+        maxAxis = std::max(maxAxis, max_z);
+        resize( AxisAlignedBox( 0, 0, 0, maxAxis, maxAxis, maxAxis ) );
+    
+    setupTerrainMaterial();
+
+    setupTerrainPages();
+
+ }
+
 //-----------------------------------------------------------------------
 void VisibilityTerrainSceneManager::PrepareVisualization(Camera *cam)