assimp/code/BlenderIntermediate.h

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

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All rights reserved.

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  copyright notice, this list of conditions and the
  following disclaimer.

* Redistributions in binary form must reproduce the above
  copyright notice, this list of conditions and the
  following disclaimer in the documentation and/or other
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* Neither the name of the assimp team, nor the names of its
  contributors may be used to endorse or promote products
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  written permission of the assimp team.

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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
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*/

/** @file  BlenderIntermediate.h
 *  @brief Internal utility structures for the BlenderLoader. It also serves
 *    as master include file for the whole (internal) Blender subsystem.
 */
#ifndef INCLUDED_AI_BLEND_INTERMEDIATE_H
#define INCLUDED_AI_BLEND_INTERMEDIATE_H

#include "BlenderLoader.h"
#include "BlenderDNA.h"
#include "BlenderScene.h"
#include "BlenderSceneGen.h"
#include <boost/foreach.hpp>
#include <deque>
#include "./../include/assimp/material.h"

struct aiTexture;

#define for_each(x,y) BOOST_FOREACH(x,y)

namespace Assimp {
namespace Blender {

	// --------------------------------------------------------------------
	/** Mini smart-array to avoid pulling in even more boost stuff. usable with vector and deque */
	// --------------------------------------------------------------------
	template <template <typename,typename> class TCLASS, typename T>
	struct TempArray	{
		typedef TCLASS< T*,std::allocator<T*> > mywrap;

		TempArray() {
		}

		~TempArray () {
			for_each(T* elem, arr) {
				delete elem;
			}
		}

		void dismiss() {
			arr.clear();
		}

		mywrap* operator -> () {
			return &arr;
		}

		operator mywrap& () {
			return arr;
		}

		operator const mywrap& () const {
			return arr;
		}

		mywrap& get () {
			return arr;
		}

		const mywrap& get () const {
			return arr;
		}

		T* operator[] (size_t idx) const {
			return arr[idx];
		}

		T*& operator[] (size_t idx) {
			return arr[idx];
		}

	private:
		// no copy semantics
		void operator= (const TempArray&)  {
		}

		TempArray(const TempArray& arr) {
		}

	private:
		mywrap arr;
	};
	
#ifdef _MSC_VER
#	pragma warning(disable:4351)
#endif

	struct ObjectCompare {
		bool operator() (const Object* left, const Object* right) const {
			return strcmp(left->id.name, right->id.name) == -1;
		}
	};

	// When keeping objects in sets, sort them by their name.
	typedef std::set<const Object*, ObjectCompare> ObjectSet;

	// --------------------------------------------------------------------
	/** ConversionData acts as intermediate storage location for
	 *  the various ConvertXXX routines in BlenderImporter.*/
	// --------------------------------------------------------------------
	struct ConversionData	
	{
		ConversionData(const FileDatabase& db)
			: sentinel_cnt()
			, next_texture()
			, db(db)
		{}

		struct ObjectCompare {
			bool operator() (const Object* left, const Object* right) const {
				return strcmp(left->id.name, right->id.name) == -1;
			}
		};

		ObjectSet objects;

		TempArray <std::vector, aiMesh> meshes;
		TempArray <std::vector, aiCamera> cameras;
		TempArray <std::vector, aiLight> lights;
		TempArray <std::vector, aiMaterial> materials;
		TempArray <std::vector, aiTexture> textures;

		// set of all materials referenced by at least one mesh in the scene
		std::deque< boost::shared_ptr< Material > > materials_raw;

		// counter to name sentinel textures inserted as substitutes for procedural textures.
		unsigned int sentinel_cnt;

		// next texture ID for each texture type, respectively
		unsigned int next_texture[aiTextureType_UNKNOWN+1];

		// original file data
		const FileDatabase& db;
	};
#ifdef _MSC_VER
#	pragma warning(default:4351)
#endif

// ------------------------------------------------------------------------------------------------
inline const char* GetTextureTypeDisplayString(Tex::Type t)
{
	switch (t)	{
	case Tex::Type_CLOUDS		:  return  "Clouds";			
	case Tex::Type_WOOD			:  return  "Wood";			
	case Tex::Type_MARBLE		:  return  "Marble";			
	case Tex::Type_MAGIC		:  return  "Magic";		
	case Tex::Type_BLEND		:  return  "Blend";			
	case Tex::Type_STUCCI		:  return  "Stucci";			
	case Tex::Type_NOISE		:  return  "Noise";			
	case Tex::Type_PLUGIN		:  return  "Plugin";			
	case Tex::Type_MUSGRAVE		:  return  "Musgrave";		
	case Tex::Type_VORONOI		:  return  "Voronoi";			
	case Tex::Type_DISTNOISE	:  return  "DistortedNoise";	
	case Tex::Type_ENVMAP		:  return  "EnvMap";	
	case Tex::Type_IMAGE		:  return  "Image";	
	default: 
		break;
	}
	return "<Unknown>";
}

} // ! Blender
} // ! Assimp

#endif // ! INCLUDED_AI_BLEND_INTERMEDIATE_H