nuclear@0: /*
nuclear@0: Open Asset Import Library (assimp)
nuclear@0: ----------------------------------------------------------------------
nuclear@0: 
nuclear@0: Copyright (c) 2006-2012, assimp team
nuclear@0: All rights reserved.
nuclear@0: 
nuclear@0: Redistribution and use of this software in source and binary forms, 
nuclear@0: with or without modification, are permitted provided that the 
nuclear@0: following conditions are met:
nuclear@0: 
nuclear@0: * Redistributions of source code must retain the above
nuclear@0: copyright notice, this list of conditions and the
nuclear@0: following disclaimer.
nuclear@0: 
nuclear@0: * Redistributions in binary form must reproduce the above
nuclear@0: copyright notice, this list of conditions and the
nuclear@0: following disclaimer in the documentation and/or other
nuclear@0: materials provided with the distribution.
nuclear@0: 
nuclear@0: * Neither the name of the assimp team, nor the names of its
nuclear@0: contributors may be used to endorse or promote products
nuclear@0: derived from this software without specific prior
nuclear@0: written permission of the assimp team.
nuclear@0: 
nuclear@0: THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
nuclear@0: "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
nuclear@0: LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
nuclear@0: A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
nuclear@0: OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
nuclear@0: SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
nuclear@0: LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
nuclear@0: DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
nuclear@0: THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
nuclear@0: (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
nuclear@0: OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
nuclear@0: 
nuclear@0: ----------------------------------------------------------------------
nuclear@0: */
nuclear@0: 
nuclear@0: /** @file  COBScene.h
nuclear@0: *  @brief Utilities for the COB importer.
nuclear@0: */
nuclear@0: #ifndef INCLUDED_AI_COB_SCENE_H
nuclear@0: #define INCLUDED_AI_COB_SCENE_H
nuclear@0: 
nuclear@0: #include <boost/shared_ptr.hpp>
nuclear@0: #include "BaseImporter.h"
nuclear@0: 
nuclear@0: namespace Assimp	{
nuclear@0: 	namespace COB {
nuclear@0: 
nuclear@0: // ------------------
nuclear@0: /** Represents a single vertex index in a face */
nuclear@0: struct VertexIndex
nuclear@0: {
nuclear@0: 	// intentionally uninitialized
nuclear@0: 	unsigned int pos_idx,uv_idx;
nuclear@0: };
nuclear@0: 
nuclear@0: // ------------------
nuclear@0: /** COB Face data structure */
nuclear@0: struct Face
nuclear@0: {
nuclear@0: 	// intentionally uninitialized
nuclear@0: 	unsigned int material, flags;
nuclear@0: 	std::vector<VertexIndex> indices;
nuclear@0: };
nuclear@0: 
nuclear@0: // ------------------
nuclear@0: /** COB chunk header information */
nuclear@0: struct ChunkInfo
nuclear@0: {
nuclear@0: 	enum {NO_SIZE=UINT_MAX};
nuclear@0: 
nuclear@0: 	ChunkInfo ()
nuclear@0: 		:	id        (0)
nuclear@0: 		,	parent_id (0)
nuclear@0: 		,	version	  (0)
nuclear@0: 		,	size	  (NO_SIZE)
nuclear@0: 	{}
nuclear@0: 
nuclear@0: 	// Id of this chunk, unique within file
nuclear@0: 	unsigned int id;
nuclear@0: 
nuclear@0: 	// and the corresponding parent
nuclear@0: 	unsigned int parent_id;
nuclear@0: 
nuclear@0: 	// version. v1.23 becomes 123
nuclear@0: 	unsigned int version;
nuclear@0: 
nuclear@0: 	// chunk size in bytes, only relevant for binary files
nuclear@0: 	// NO_SIZE is also valid.
nuclear@0: 	unsigned int size;
nuclear@0: };
nuclear@0: 
nuclear@0: // ------------------
nuclear@0: /** A node in the scenegraph */
nuclear@0: struct Node : public ChunkInfo
nuclear@0: {
nuclear@0: 	enum Type {
nuclear@0: 		TYPE_MESH,TYPE_GROUP,TYPE_LIGHT,TYPE_CAMERA,TYPE_BONE
nuclear@0: 	};
nuclear@0: 
nuclear@0: 	virtual ~Node() {}
nuclear@0: 	Node(Type type) : type(type), unit_scale(1.f){}
nuclear@0: 
nuclear@0: 	Type type;
nuclear@0: 
nuclear@0: 	// used during resolving
nuclear@0: 	typedef std::deque<const Node*> ChildList;
nuclear@0: 	mutable ChildList temp_children;
nuclear@0: 
nuclear@0: 	// unique name
nuclear@0: 	std::string name;
nuclear@0: 
nuclear@0: 	// local mesh transformation
nuclear@0: 	aiMatrix4x4 transform;
nuclear@0: 
nuclear@0: 	// scaling for this node to get to the metric system
nuclear@0: 	float unit_scale;
nuclear@0: };
nuclear@0: 
nuclear@0: // ------------------
nuclear@0: /** COB Mesh data structure */
nuclear@0: struct Mesh : public Node
nuclear@0: {
nuclear@0: 	using ChunkInfo::operator=;
nuclear@0: 	enum DrawFlags {
nuclear@0: 		SOLID = 0x1,
nuclear@0: 		TRANS = 0x2,
nuclear@0: 		WIRED = 0x4,
nuclear@0: 		BBOX  = 0x8,
nuclear@0: 		HIDE  = 0x10
nuclear@0: 	};
nuclear@0: 
nuclear@0: 	Mesh() 
nuclear@0: 		: Node(TYPE_MESH)
nuclear@0: 		, draw_flags(SOLID) 
nuclear@0: 	{}
nuclear@0: 
nuclear@0: 	// vertex elements
nuclear@0: 	std::vector<aiVector2D> texture_coords;
nuclear@0: 	std::vector<aiVector3D> vertex_positions;
nuclear@0: 
nuclear@0: 	// face data
nuclear@0: 	std::vector<Face> faces;
nuclear@0: 
nuclear@0: 	// misc. drawing flags
nuclear@0: 	unsigned int draw_flags;
nuclear@0: 
nuclear@0: 	// used during resolving
nuclear@0: 	typedef std::deque<Face*> FaceRefList;
nuclear@0: 	typedef std::map< unsigned int,FaceRefList > TempMap;
nuclear@0: 	TempMap temp_map;
nuclear@0: };
nuclear@0: 
nuclear@0: // ------------------
nuclear@0: /** COB Group data structure */
nuclear@0: struct Group : public Node
nuclear@0: {
nuclear@0: 	using ChunkInfo::operator=;
nuclear@0: 	Group() : Node(TYPE_GROUP) {}
nuclear@0: };
nuclear@0: 
nuclear@0: // ------------------
nuclear@0: /** COB Bone data structure */
nuclear@0: struct Bone : public Node
nuclear@0: {
nuclear@0: 	using ChunkInfo::operator=;
nuclear@0: 	Bone() : Node(TYPE_BONE) {}
nuclear@0: };
nuclear@0: 
nuclear@0: // ------------------
nuclear@0: /** COB Light data structure */
nuclear@0: struct Light : public Node
nuclear@0: {
nuclear@0: 	enum LightType {
nuclear@0: 		SPOT,LOCAL,INFINITE
nuclear@0: 	};
nuclear@0: 
nuclear@0: 	using ChunkInfo::operator=;
nuclear@0: 	Light() : Node(TYPE_LIGHT),angle(),inner_angle(),ltype(SPOT) {}
nuclear@0: 
nuclear@0: 	aiColor3D color;
nuclear@0: 	float angle,inner_angle;
nuclear@0: 
nuclear@0: 	LightType ltype;
nuclear@0: };
nuclear@0: 
nuclear@0: // ------------------
nuclear@0: /** COB Camera data structure */
nuclear@0: struct Camera : public Node
nuclear@0: {
nuclear@0: 	using ChunkInfo::operator=;
nuclear@0: 	Camera() : Node(TYPE_CAMERA) {}
nuclear@0: };
nuclear@0: 
nuclear@0: // ------------------
nuclear@0: /** COB Texture data structure */
nuclear@0: struct Texture
nuclear@0: {
nuclear@0: 	std::string path;
nuclear@0: 	aiUVTransform transform;
nuclear@0: };
nuclear@0: 
nuclear@0: // ------------------
nuclear@0: /** COB Material data structure */
nuclear@0: struct Material : ChunkInfo
nuclear@0: {
nuclear@0: 	using ChunkInfo::operator=;
nuclear@0: 	enum Shader {
nuclear@0: 		FLAT,PHONG,METAL
nuclear@0: 	};
nuclear@0: 
nuclear@0: 	enum AutoFacet {
nuclear@0: 		FACETED,AUTOFACETED,SMOOTH
nuclear@0: 	};
nuclear@0: 
nuclear@0: 	Material() : alpha(),exp(),ior(),ka(),ks(1.f),
nuclear@0: 		matnum(UINT_MAX),
nuclear@0: 		shader(FLAT),autofacet(FACETED),
nuclear@0: 		autofacet_angle()
nuclear@0: 	{}
nuclear@0: 
nuclear@0: 	std::string type;
nuclear@0: 
nuclear@0: 	aiColor3D rgb;
nuclear@0: 	float alpha, exp, ior,ka,ks;
nuclear@0: 
nuclear@0: 	unsigned int matnum;
nuclear@0: 	Shader shader; 
nuclear@0: 
nuclear@0: 	AutoFacet autofacet;
nuclear@0: 	float autofacet_angle;
nuclear@0: 
nuclear@0: 	boost::shared_ptr<Texture> tex_env,tex_bump,tex_color;
nuclear@0: };
nuclear@0: 
nuclear@0: // ------------------
nuclear@0: /** Embedded bitmap, for instance for the thumbnail image */
nuclear@0: struct Bitmap : ChunkInfo
nuclear@0: {
nuclear@0: 	Bitmap() : orig_size() {}
nuclear@0: 	struct BitmapHeader 
nuclear@0: 	{
nuclear@0: 	};
nuclear@0: 
nuclear@0: 	BitmapHeader head;
nuclear@0: 	size_t orig_size;
nuclear@0: 	std::vector<char> buff_zipped;
nuclear@0: };
nuclear@0: 
nuclear@0: typedef std::deque< boost::shared_ptr<Node> > NodeList;
nuclear@0: typedef std::vector< Material > MaterialList;
nuclear@0: 
nuclear@0: // ------------------
nuclear@0: /** Represents a master COB scene, even if we loaded just a single COB file */
nuclear@0: struct Scene
nuclear@0: {
nuclear@0: 	NodeList nodes;
nuclear@0: 	MaterialList materials;
nuclear@0: 
nuclear@0: 	// becomes *0 later
nuclear@0: 	Bitmap thumbnail;
nuclear@0: };
nuclear@0: 
nuclear@0: 	} // end COB
nuclear@0: } // end Assimp
nuclear@0: 
nuclear@0: #endif