#include <osgFX/BumpMapping>

#include <osgDB/Registry>
#include <osgDB/Input>
#include <osgDB/Output>

bool BumpMapping_readLocalData(osg::Object &obj, osgDB::Input &fr);
bool BumpMapping_writeLocalData(const osg::Object &obj, osgDB::Output &fw);

osgDB::RegisterDotOsgWrapperProxy BumpMapping_Proxy
(
	new osgFX::BumpMapping,
	"osgFX::BumpMapping",
	"Object Node Group osgFX::Effect osgFX::BumpMapping",
    BumpMapping_readLocalData,
    BumpMapping_writeLocalData
);

bool BumpMapping_readLocalData(osg::Object &obj, osgDB::Input &fr)
{
	osgFX::BumpMapping &myobj = static_cast<osgFX::BumpMapping &>(obj);
	bool itAdvanced = false;

	if (fr[0].matchWord("lightNumber")) {
		int n;
		if (fr[1].getInt(n)) {
			myobj.setLightNumber(n);
			fr += 2;
			itAdvanced = true;
		}
	}

	if (fr[0].matchWord("diffuseUnit")) {
		int n;
		if (fr[1].getInt(n)) {
			myobj.setDiffuseTextureUnit(n);
			fr += 2;
			itAdvanced = true;
		}
	}

	if (fr[0].matchWord("normalMapUnit")) {
		int n;
		if (fr[1].getInt(n)) {
			myobj.setNormalMapTextureUnit(n);
			fr += 2;
			itAdvanced = true;
		}
	}

	osg::ref_ptr<osg::Texture2D> diffuse_tex = static_cast<osg::Texture2D *>(fr.readObjectOfType(osgDB::type_wrapper<osg::Texture2D>()));
	if (diffuse_tex.valid()) {
		myobj.setOverrideDiffuseTexture(diffuse_tex.get());
		itAdvanced = true;
	}

	osg::ref_ptr<osg::Texture2D> normal_tex = static_cast<osg::Texture2D *>(fr.readObjectOfType(osgDB::type_wrapper<osg::Texture2D>()));
	if (normal_tex.valid()) {
		myobj.setOverrideNormalMapTexture(normal_tex.get());
		itAdvanced = true;
	}

	return itAdvanced;
}

bool BumpMapping_writeLocalData(const osg::Object &obj, osgDB::Output &fw)
{
	const osgFX::BumpMapping &myobj = static_cast<const osgFX::BumpMapping &>(obj);

	fw.indent() << "lightNumber " << myobj.getLightNumber() << "\n";
	fw.indent() << "diffuseUnit " << myobj.getDiffuseTextureUnit() << "\n";
	fw.indent() << "normalMapUnit " << myobj.getNormalMapTextureUnit() << "\n";

	if (myobj.getOverrideDiffuseTexture()) {
		fw.writeObject(*myobj.getOverrideDiffuseTexture());
	}

	if (myobj.getOverrideNormalMapTexture()) {
		fw.writeObject(*myobj.getOverrideNormalMapTexture());
	}
	
    return true;
}
