From 49cc9b85d53278ddb3ae706bf281f3154e5b5aad Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Tue, 23 Sep 2003 14:42:56 +0000
Subject: [PATCH] From Tom Jolly, added support for TexEnv to pfb plugin.

---
 src/osgPlugins/pfb/ConvertFromPerformer.cpp | 40 +++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/src/osgPlugins/pfb/ConvertFromPerformer.cpp b/src/osgPlugins/pfb/ConvertFromPerformer.cpp
index 7be5667cf..afbd4771b 100644
--- a/src/osgPlugins/pfb/ConvertFromPerformer.cpp
+++ b/src/osgPlugins/pfb/ConvertFromPerformer.cpp
@@ -12,6 +12,7 @@
 #include <osg/Image>
 #include <osg/CullFace>
 #include <osg/TexGen>
+#include <osg/TexEnv>
 #include <osg/TexMat>
 #include <osg/Material>
 #include <osg/Notify>
@@ -1121,6 +1122,45 @@ osg::StateSet* ConvertFromPerformer::visitGeoState(osg::Drawable* osgDrawable,pf
     pfTexture* tex = (pfTexture*)geostate->getAttr(PFSTATE_TEXTURE);
     visitTexture(osgStateSet,tex);
 
+    pfTexEnv* texenv = (pfTexEnv*)geostate->getAttr(PFSTATE_TEXENV);
+   
+    if(texenv)
+    {
+      osg::TexEnv* osgTexEnv = new osg::TexEnv();
+      int mode = texenv->getMode();
+      
+      float r,g,b,a;
+      texenv->getBlendColor(&r, &g, &b, &a);
+      
+      switch(mode)
+      {
+          case(PFTE_MODULATE) :
+	      osgTexEnv->setMode(osg::TexEnv::MODULATE);
+	      osgTexEnv->setColor(osg::Vec4(r,g,b,a));
+	      break;
+	  case(PFTE_DECAL) :
+	      osgTexEnv->setMode(osg::TexEnv::DECAL);
+	      osgTexEnv->setColor(osg::Vec4(r,g,b,a));
+	      break;
+	  case(PFTE_BLEND) :
+	      osgTexEnv->setMode(osg::TexEnv::BLEND);
+	      osgTexEnv->setColor(osg::Vec4(r,g,b,a));
+	      break;
+	  case(PFTE_REPLACE) :
+	      osgTexEnv->setMode(osg::TexEnv::REPLACE);
+	      osgTexEnv->setColor(osg::Vec4(r,g,b,a));
+	      break;
+	  case(PFTE_ADD) :
+	      osgTexEnv->setMode(osg::TexEnv::ADD);
+	      osgTexEnv->setColor(osg::Vec4(r,g,b,a));
+	      break;
+          default:
+              std::cerr << "TexEnv Mode "<<mode<<" not currently supported by the OSG."<<std::endl;
+              break;
+      }
+      osgStateSet->setTextureAttribute(0,osgTexEnv);
+    }
+
     pfTexGen* texgen = (pfTexGen*)geostate->getAttr(PFSTATE_TEXGEN);
 
     if (texgen)