Added support for glLightModel functionality via osg::LightModel.

2002-02-25 22:46:38 +00:00
parent aaa0a42205
commit e21af2adce
10 changed files with 256 additions and 6 deletions
--- a/src/osgPlugins/osg/LightModel.cpp
+++ b/src/osgPlugins/osg/LightModel.cpp
@@ -0,0 +1,115 @@
+#include <osg/LightModel>
+
+#include <osgDB/Registry>
+#include <osgDB/Input>
+#include <osgDB/Output>
+
+using namespace osg;
+using namespace osgDB;
+
+// forward declare functions to use later.
+bool LightModel_readLocalData(Object& obj, Input& fr);
+bool LightModel_writeLocalData(const Object& obj, Output& fw);
+
+
+// register the read and write functions with the osgDB::Registry.
+RegisterDotOsgWrapperProxy g_LightModelProxy
+(
+    new osg::LightModel,
+    "LightModel",
+    "Object StateAttribute LightModel",
+    &LightModel_readLocalData,
+    &LightModel_writeLocalData
+);
+
+
+bool LightModel_readLocalData(Object& obj, Input& fr)
+{
+    bool iteratorAdvanced = false;
+
+    LightModel& lightmodel = static_cast<LightModel&>(obj);
+    
+    osg::Vec4 ambient;
+    if (fr[0].matchWord("ambientIntensity") &&
+        fr[1].getFloat(ambient[0]) &&
+        fr[2].getFloat(ambient[1]) &&
+        fr[3].getFloat(ambient[2]) &&
+        fr[4].getFloat(ambient[3]))
+    {
+        lightmodel.setAmbientIntensity(ambient);
+        fr+=5;
+        iteratorAdvanced = true;
+    }
+
+    if (fr[0].matchWord("colorControl"))
+    {
+        if (fr[1].matchWord("SEPERATE_SPECULAR_COLOR"))
+        {
+            lightmodel.setColorControl(osg::LightModel::SEPERATE_SPECULAR_COLOR);
+        }
+        else if (fr[1].matchWord("SINGLE_COLOR"))
+        {
+            lightmodel.setColorControl(osg::LightModel::SINGLE_COLOR);
+        }
+    }
+
+    int result;
+    if (fr[0].matchWord("localViewer") && fr[1].getInt(result))
+    {
+        if (fr[1].matchWord("TRUE"))
+        {
+            lightmodel.setLocalViewer(true);
+            fr+=2;
+            iteratorAdvanced = true;
+        }
+        else if (fr[1].matchWord("FALSE"))
+        {
+            lightmodel.setLocalViewer(false);
+            fr+=2;
+            iteratorAdvanced = true;
+        }
+    }
+
+    if (fr[0].matchWord("twoSided"))
+    {
+        if (fr[1].matchWord("TRUE"))
+        {
+            lightmodel.setTwoSided(true);
+            fr+=2;
+            iteratorAdvanced = true;
+        }
+        else if (fr[1].matchWord("FALSE"))
+        {
+            lightmodel.setTwoSided(false);
+            fr+=2;
+            iteratorAdvanced = true;
+        }
+    }
+    
+    return iteratorAdvanced;
+}
+
+bool LightModel_writeLocalData(const Object& obj,Output& fw)
+{
+    const LightModel& lightmodel = static_cast<const LightModel&>(obj);
+
+    fw.indent() << "ambientIntensity " << lightmodel.getAmbientIntensity() << std::endl;
+    
+    if (lightmodel.getColorControl()==osg::LightModel::SEPERATE_SPECULAR_COLOR)
+        fw.indent() << "colorControl SEPERATE_SPECULAR_COLOR" << std::endl;
+    else
+        fw.indent() << "colorControl SINGLE_COLOR" << std::endl;
+
+    if (lightmodel.getLocalViewer())
+        fw.indent() << "localViewer TRUE"<< std::endl;
+    else
+        fw.indent() << "localViewer FALSE"<< std::endl;
+        
+    if (lightmodel.getTwoSided())
+        fw.indent() << "twoSided TRUE"<< std::endl;
+    else
+        fw.indent() << "twoSided FALSE"<< std::endl;
+
+    return true;
+}
+