From ede9b4ff6be9748950f01923fe49948a175fdb0f Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Sat, 8 Dec 2007 12:12:05 +0000
Subject: [PATCH] From David Callu, added IO_FluidProgram implementation.

---
 src/osgPlugins/osgParticle/CMakeLists.txt     |  1 +
 .../osgParticle/IO_FluidProgram.cpp           | 89 +++++++++++++++++++
 2 files changed, 90 insertions(+)
 create mode 100644 src/osgPlugins/osgParticle/IO_FluidProgram.cpp

diff --git a/src/osgPlugins/osgParticle/CMakeLists.txt b/src/osgPlugins/osgParticle/CMakeLists.txt
index 1b64bb3fe..74f70f33b 100644
--- a/src/osgPlugins/osgParticle/CMakeLists.txt
+++ b/src/osgPlugins/osgParticle/CMakeLists.txt
@@ -13,6 +13,7 @@ IO_ExplosionDebrisEffect.cpp
 IO_ExplosionEffect.cpp
 IO_FireEffect.cpp
 IO_FluidFrictionOperator.cpp
+IO_FluidProgram.cpp
 IO_ForceOperator.cpp
 IO_LinearInterpolator.cpp
 IO_ModularEmitter.cpp
diff --git a/src/osgPlugins/osgParticle/IO_FluidProgram.cpp b/src/osgPlugins/osgParticle/IO_FluidProgram.cpp
new file mode 100644
index 000000000..473156515
--- /dev/null
+++ b/src/osgPlugins/osgParticle/IO_FluidProgram.cpp
@@ -0,0 +1,89 @@
+
+#include <osgParticle/FluidProgram>
+#include <osgParticle/Operator>
+
+#include <iostream>
+
+#include <osg/Vec3>
+#include <osg/io_utils>
+
+#include <osgDB/Registry>
+#include <osgDB/Input>
+#include <osgDB/Output>
+
+bool  FluidProgram_readLocalData(osg::Object &obj, osgDB::Input &fr);
+bool  FluidProgram_writeLocalData(const osg::Object &obj, osgDB::Output &fw);
+
+osgDB::RegisterDotOsgWrapperProxy  FluidProgram_Proxy
+(
+    new osgParticle::FluidProgram,
+    "FluidProgram",
+    "Object Node ParticleProcessor Program FluidProgram",
+    FluidProgram_readLocalData,
+    FluidProgram_writeLocalData
+);
+
+bool FluidProgram_readLocalData(osg::Object &obj, osgDB::Input &fr)
+{
+    osgParticle::FluidProgram &myobj = static_cast<osgParticle::FluidProgram &>(obj);
+    bool itAdvanced = false;
+
+    osg::Vec3 vec;
+    float f;
+
+    if (fr[0].matchWord("acceleration")) {
+        if (fr[1].getFloat(vec.x()) && fr[2].getFloat(vec.y()) && fr[3].getFloat(vec.z())) {
+            myobj.setAcceleration(vec);
+            fr += 4;
+            itAdvanced = true;
+        }
+    }
+    
+    if (fr[0].matchWord("viscosity")) {
+        if (fr[1].getFloat(f)) {
+            myobj.setFluidViscosity(f);
+            fr += 2;
+            itAdvanced = true;
+        }
+    }
+    
+    if (fr[0].matchWord("density")) {
+        if (fr[1].getFloat(f)) {
+            myobj.setFluidViscosity(f);
+            fr += 2;
+            itAdvanced = true;
+        }
+    }
+
+    if (fr[0].matchWord("wind")) {
+        if (fr[1].getFloat(vec.x()) && fr[2].getFloat(vec.y()) && fr[3].getFloat(vec.z())) {
+            myobj.setWind(vec);
+            fr += 4;
+            itAdvanced = true;
+        }
+    }
+
+    return itAdvanced;
+}
+
+bool FluidProgram_writeLocalData(const osg::Object &obj, osgDB::Output &fw)
+{
+    const osgParticle::FluidProgram &myobj = static_cast<const osgParticle::FluidProgram &>(obj);
+
+    osg::Vec3 vec;
+    float f;
+    
+    vec = myobj.getAcceleration();
+    fw.indent() << "acceleration " << vec << std::endl;
+    
+    f = myobj.getFluidViscosity();
+    fw.indent() << "viscosity " << f << std::endl;
+    
+    f = myobj.getFluidDensity();
+    fw.indent() << "density " << f << std::endl;
+        
+    vec = myobj.getWind();
+    fw.indent() << "wind " << vec << std::endl;
+
+    return true;
+}