From 4c13328d98ede6c2bab906f2f891c84ae1ee7b0f Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Thu, 3 Nov 2005 09:03:46 +0000
Subject: [PATCH] Added CameraNode.cpp and CameraView.cpp

---
 src/osgPlugins/osg/CameraNode.cpp | 75 +++++++++++++++++++++++++++++++
 src/osgPlugins/osg/CameraView.cpp | 71 +++++++++++++++++++++++++++++
 2 files changed, 146 insertions(+)
 create mode 100644 src/osgPlugins/osg/CameraNode.cpp
 create mode 100644 src/osgPlugins/osg/CameraView.cpp

diff --git a/src/osgPlugins/osg/CameraNode.cpp b/src/osgPlugins/osg/CameraNode.cpp
new file mode 100644
index 000000000..a2873428b
--- /dev/null
+++ b/src/osgPlugins/osg/CameraNode.cpp
@@ -0,0 +1,75 @@
+#include <osg/CameraNode>
+
+#include <osgDB/Registry>
+#include <osgDB/Input>
+#include <osgDB/Output>
+
+#include "Matrix.h"
+
+using namespace osg;
+using namespace osgDB;
+
+// forward declare functions to use later.
+bool CameraNode_readLocalData(Object& obj, Input& fr);
+bool CameraNode_writeLocalData(const Object& obj, Output& fw);
+
+// register the read and write functions with the osgDB::Registry.
+RegisterDotOsgWrapperProxy g_CameraNodeProxy
+(
+    new osg::CameraNode,
+    "CameraNode",
+    "Object Node Transform CameraNode Group",
+    &CameraNode_readLocalData,
+    &CameraNode_writeLocalData,
+    DotOsgWrapper::READ_AND_WRITE
+);
+
+bool CameraNode_readLocalData(Object& obj, Input& fr)
+{
+    bool iteratorAdvanced = false;
+
+    CameraNode& camera = static_cast<CameraNode&>(obj);
+
+    if (fr[0].matchWord("Type"))
+    {
+        if (fr[1].matchWord("DYNAMIC"))
+        {
+            camera.setDataVariance(osg::Object::DYNAMIC);
+            fr +=2 ;
+            iteratorAdvanced = true;
+        }
+        else if (fr[1].matchWord("STATIC"))
+        {
+            camera.setDataVariance(osg::Object::STATIC);
+            fr +=2 ;
+            iteratorAdvanced = true;
+        }
+        
+    }
+    
+    Matrix matrix; 
+    if (readMatrix(matrix,fr,"ProjectionMatrix"))
+    {
+        camera.setProjectionMatrix(matrix);
+        iteratorAdvanced = true;
+    }
+
+    if (readMatrix(matrix,fr,"ViewMatrix"))
+    {
+        camera.setViewMatrix(matrix);
+        iteratorAdvanced = true;
+    }
+
+    return iteratorAdvanced;
+}
+
+
+bool CameraNode_writeLocalData(const Object& obj, Output& fw)
+{
+    const CameraNode& camera = static_cast<const CameraNode&>(obj);
+
+    writeMatrix(camera.getProjectionMatrix(),fw,"ProjectionMatrix");
+    writeMatrix(camera.getViewMatrix(),fw,"ViewMatrix");
+
+    return true;
+}
diff --git a/src/osgPlugins/osg/CameraView.cpp b/src/osgPlugins/osg/CameraView.cpp
new file mode 100644
index 000000000..0443abc69
--- /dev/null
+++ b/src/osgPlugins/osg/CameraView.cpp
@@ -0,0 +1,71 @@
+#include "osg/CameraView"
+#include <osg/io_utils>
+
+#include "osgDB/Registry"
+#include "osgDB/Input"
+#include "osgDB/Output"
+
+using namespace osg;
+using namespace osgDB;
+
+// forward declare functions to use later.
+bool CameraView_readLocalData(Object& obj, Input& fr);
+bool CameraView_writeLocalData(const Object& obj, Output& fw);
+
+// register the read and write functions with the osgDB::Registry.
+RegisterDotOsgWrapperProxy g_CameraViewProxy
+(
+    new osg::CameraView,
+    "CameraView",
+    "Object Node Transform CameraView Group",
+    &CameraView_readLocalData,
+    &CameraView_writeLocalData,
+    DotOsgWrapper::READ_AND_WRITE
+);
+
+bool CameraView_readLocalData(Object& obj, Input& fr)
+{
+    bool iteratorAdvanced = false;
+
+    CameraView& cameraview = static_cast<CameraView&>(obj);
+
+    if (fr.matchSequence("position %f %f %f"))
+    {
+        osg::Vec3d pos;
+        fr[1].getFloat(pos[0]);
+        fr[2].getFloat(pos[1]);
+        fr[3].getFloat(pos[2]);
+        
+        cameraview.setPosition(pos);
+
+        fr += 4;
+        iteratorAdvanced = true;
+    }
+
+    if (fr.matchSequence("attitude %f %f %f %f"))
+    {
+        osg::Quat att;
+        fr[1].getFloat(att[0]);
+        fr[2].getFloat(att[1]);
+        fr[3].getFloat(att[2]);
+        fr[4].getFloat(att[3]);
+        
+        cameraview.setAttitude(att);
+        
+        fr += 5;
+        iteratorAdvanced = true;
+    }
+
+    return iteratorAdvanced;
+}
+
+
+bool CameraView_writeLocalData(const Object& obj, Output& fw)
+{
+    const CameraView& cameraview = static_cast<const CameraView&>(obj);
+    
+    fw.indent()<<"position "<<cameraview.getPosition()<<std::endl;
+    fw.indent()<<"attitude "<<cameraview.getAttitude()<<std::endl;
+
+    return true;
+}