assimp/code/FBXModel.cpp

/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------

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All rights reserved.

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  following disclaimer.

* Redistributions in binary form must reproduce the above
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  written permission of the assimp team.

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*/

/** @file  FBXModel.cpp
 *  @brief Assimp::FBX::Model implementation
 */

#ifndef ASSIMP_BUILD_NO_FBX_IMPORTER

#include "FBXParser.h"
#include "FBXDocument.h"
#include "FBXImporter.h"
#include "FBXImportSettings.h"
#include "FBXDocumentUtil.h"
#include "FBXProperties.h"
#include <boost/foreach.hpp>

namespace Assimp {
namespace FBX {

	using namespace Util;

// ------------------------------------------------------------------------------------------------
Model::Model(uint64_t id, const Element& element, const Document& doc, const std::string& name)
	: Object(id,element,name)
	, shading("Y")
{
	const Scope& sc = GetRequiredScope(element);
	const Element* const Shading = sc["Shading"];
	const Element* const Culling = sc["Culling"];

	if(Shading) {
		shading = GetRequiredToken(*Shading,0).StringContents();
	}

	if (Culling) {
		culling = ParseTokenAsString(GetRequiredToken(*Culling,0));
	}

	props = GetPropertyTable(doc,"Model.FbxNode",element,sc);
	ResolveLinks(element,doc);
}


// ------------------------------------------------------------------------------------------------
Model::~Model()
{

}


// ------------------------------------------------------------------------------------------------
void Model::ResolveLinks(const Element& element, const Document& doc)
{
	const char* const arr[] = {"Geometry","Material","NodeAttribute"};

	// resolve material
	const std::vector<const Connection*>& conns = doc.GetConnectionsByDestinationSequenced(ID(),arr, 3);

	materials.reserve(conns.size());
	geometry.reserve(conns.size());
	attributes.reserve(conns.size());
	BOOST_FOREACH(const Connection* con, conns) {

		// material and geometry links should be Object-Object connections
		if (con->PropertyName().length()) {
			continue;
		}

		const Object* const ob = con->SourceObject();
		if(!ob) {
			DOMWarning("failed to read source object for incoming Model link, ignoring",&element);
			continue;
		}

		const Material* const mat = dynamic_cast<const Material*>(ob);
		if(mat) {
			materials.push_back(mat);
			continue;
		}

		const Geometry* const geo = dynamic_cast<const Geometry*>(ob);
		if(geo) {
			geometry.push_back(geo);
			continue;
		}

		const NodeAttribute* const att = dynamic_cast<const NodeAttribute*>(ob);
		if(att) {
			attributes.push_back(att);
			continue;
		}

		DOMWarning("source object for model link is neither Material, NodeAttribute nor Geometry, ignoring",&element);
		continue;
	}
}


// ------------------------------------------------------------------------------------------------
bool Model::IsNull() const
{
	const std::vector<const NodeAttribute*>& attrs = GetAttributes();
	BOOST_FOREACH(const NodeAttribute* att, attrs) {
		
		const Null* null_tag = dynamic_cast<const Null*>(att);
		if(null_tag) {
			return true;
		}
	}

	return false;
}


} //!FBX
} //!Assimp

#endif