Changeset 11154

Timestamp:

03/04/10 18:01:33 (3 years ago)

Author:

mplatings

Message:

Added BlendFunc? for transparent materials

Files:

• OpenSceneGraph/trunk/src/osgPlugins/fbx/fbxRMesh.cpp (modified) (2 diffs)

OpenSceneGraph/trunk/src/osgPlugins/fbx/fbxRMesh.cpp

@@ -2 +2 @@
 #include <sstream>
 
+#include <osg/BlendFunc>
 #include <osg/Geode>
 #include <osg/Image>
@@ -164 +165 @@
     if (mti < stateSetList.size())
     {
+        bool transparent = false;
         const StateSetContent& ss = stateSetList[mti];
-        if(ss.first)
-            pGeometry->getOrCreateStateSet()->setAttributeAndModes(ss.first);
-        if(ss.second)
-            pGeometry->getOrCreateStateSet()->setTextureAttributeAndModes(0, ss.second);
+        if (osg::Material* pMaterial = ss.first)
+        {
+            pGeometry->getOrCreateStateSet()->setAttributeAndModes(pMaterial);
+            transparent = pMaterial->getDiffuse(osg::Material::FRONT).w() < 1.0f;
+        }
+        if (osg::Texture2D* pTexture = ss.second)
+        {
+            pGeometry->getOrCreateStateSet()->setTextureAttributeAndModes(0, pTexture);
+            if (!transparent && pTexture->getImage())
+            {
+                transparent = pTexture->getImage()->isImageTranslucent();
+            }
+        }
+
+        if (transparent)
+        {
+            pGeometry->getOrCreateStateSet()->setAttributeAndModes(new osg::BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA));
+        }
     }