2008-05-09 17:24:28 +00:00
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/*
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2008-05-22 10:20:31 +00:00
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Open Asset Import Library (ASSIMP)
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2008-05-09 17:24:28 +00:00
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----------------------------------------------------------------------
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Copyright (c) 2006-2008, ASSIMP Development Team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the
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following conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the ASSIMP team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the ASSIMP Development Team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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----------------------------------------------------------------------
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*/
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2008-05-05 12:36:31 +00:00
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/** @file Defines the helper data structures for importing PLY files */
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#ifndef AI_PLYFILEHELPER_H_INC
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#define AI_PLYFILEHELPER_H_INC
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#include <string>
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#include <vector>
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#include <list>
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#include <sstream>
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2008-06-22 10:09:26 +00:00
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#include "ParsingUtils.h"
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2008-05-05 12:36:31 +00:00
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#include "../include/aiTypes.h"
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#include "../include/aiMesh.h"
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#include "../include/aiAnim.h"
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namespace Assimp
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{
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// http://local.wasp.uwa.edu.au/~pbourke/dataformats/ply/
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// http://w3.impa.br/~lvelho/outgoing/sossai/old/ViHAP_D4.4.2_PLY_format_v1.1.pdf
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// http://www.okino.com/conv/exp_ply.htm
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namespace PLY
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{
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// ---------------------------------------------------------------------------------
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/*
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name type number of bytes
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---------------------------------------
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char character 1
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uchar unsigned character 1
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short short integer 2
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ushort unsigned short integer 2
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int integer 4
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uint unsigned integer 4
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float single-precision float 4
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double double-precision float 8
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int8
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int16
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uint8 ... forms are also used
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*/
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enum EDataType
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{
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EDT_Char = 0x0u,
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EDT_UChar,
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EDT_Short,
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EDT_UShort,
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EDT_Int,
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EDT_UInt,
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EDT_Float,
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EDT_Double,
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// Marks invalid entries
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EDT_INVALID
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};
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// ---------------------------------------------------------------------------------
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2008-05-09 17:24:28 +00:00
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/** \brief Specifies semantics for PLY element properties
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2008-05-05 12:36:31 +00:00
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*
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2008-05-09 17:24:28 +00:00
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* Semantics define the usage of a property, e.g. x coordinate
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2008-05-05 12:36:31 +00:00
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*/
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enum ESemantic
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{
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//! vertex position x coordinate
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EST_XCoord = 0x0u,
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//! vertex position x coordinate
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EST_YCoord,
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//! vertex position x coordinate
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EST_ZCoord,
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//! vertex normal x coordinate
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EST_XNormal,
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//! vertex normal y coordinate
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EST_YNormal,
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//! vertex normal z coordinate
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EST_ZNormal,
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2008-05-09 17:24:28 +00:00
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//! u texture coordinate
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EST_UTextureCoord,
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//! v texture coordinate
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EST_VTextureCoord,
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2008-05-05 12:36:31 +00:00
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//! vertex colors, red channel
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EST_Red,
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//! vertex colors, green channel
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EST_Green,
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//! vertex colors, blue channel
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EST_Blue,
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//! vertex colors, alpha channel
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EST_Alpha,
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//! vertex index list
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EST_VertexIndex,
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//! texture index
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EST_TextureIndex,
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//! texture coordinates (stored as element of a face)
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EST_TextureCoordinates,
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//! material index
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EST_MaterialIndex,
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//! ambient color, red channel
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EST_AmbientRed,
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//! ambient color, green channel
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EST_AmbientGreen,
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//! ambient color, blue channel
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EST_AmbientBlue,
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//! ambient color, alpha channel
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EST_AmbientAlpha,
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//! diffuse color, red channel
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EST_DiffuseRed,
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//! diffuse color, green channel
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EST_DiffuseGreen,
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//! diffuse color, blue channel
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EST_DiffuseBlue,
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//! diffuse color, alpha channel
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EST_DiffuseAlpha,
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//! specular color, red channel
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EST_SpecularRed,
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//! specular color, green channel
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EST_SpecularGreen,
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//! specular color, blue channel
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EST_SpecularBlue,
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//! specular color, alpha channel
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EST_SpecularAlpha,
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//! specular power for phong shading
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EST_PhongPower,
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//! opacity between 0 and 1
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EST_Opacity,
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//! Marks invalid entries
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EST_INVALID
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};
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// ---------------------------------------------------------------------------------
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2008-05-09 17:24:28 +00:00
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/** \brief Specifies semantics for PLY elements
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2008-05-05 12:36:31 +00:00
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*
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2008-05-09 17:24:28 +00:00
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* Semantics define the usage of an element, e.g. vertex or material
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2008-05-05 12:36:31 +00:00
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*/
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enum EElementSemantic
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{
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//! The element is a vertex
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EEST_Vertex = 0x0u,
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//! The element is a face description (index table)
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EEST_Face,
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//! The element is a tristrip description (index table)
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EEST_TriStrip,
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//! The element is an edge description (ignored)
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EEST_Edge,
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//! The element is a material description
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EEST_Material,
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//! Marks invalid entries
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EEST_INVALID
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};
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// ---------------------------------------------------------------------------------
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2008-05-09 17:24:28 +00:00
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/** \brief Helper class for a property in a PLY file.
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2008-05-05 12:36:31 +00:00
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*
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2008-05-09 17:24:28 +00:00
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* This can e.g. be a part of the vertex declaration
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2008-05-05 12:36:31 +00:00
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*/
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class Property
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{
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public:
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//! Default constructor
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Property()
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: eType (EDT_Int), bIsList(false), eFirstType(EDT_UChar)
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{}
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//! Data type of the property
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EDataType eType;
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//! Semantical meaning of the property
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ESemantic Semantic;
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//! Of the semantic of the property could not be parsed:
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//! Contains the semantic specified in the file
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std::string szName;
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//! Specifies whether the data type is a list where
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//! the first element specifies the size of the list
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bool bIsList;
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EDataType eFirstType;
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2008-05-09 17:24:28 +00:00
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// -------------------------------------------------------------------
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2008-05-05 12:36:31 +00:00
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//! Parse a property from a string. The end of the
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//! string is either '\n', '\r' or '\0'. Return valie is false
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//! if the input string is NOT a valid property (E.g. does
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//! not start with the "property" keyword)
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static bool ParseProperty (const char* p_szIn, const char** p_szOut,
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Property* pOut);
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2008-05-09 17:24:28 +00:00
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// -------------------------------------------------------------------
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2008-05-05 12:36:31 +00:00
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//! Parse a data type from a string
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static EDataType ParseDataType(const char* p_szIn,const char** p_szOut);
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2008-05-09 17:24:28 +00:00
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// -------------------------------------------------------------------
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2008-05-05 12:36:31 +00:00
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//! Parse a semantic from a string
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static ESemantic ParseSemantic(const char* p_szIn,const char** p_szOut);
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};
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// ---------------------------------------------------------------------------------
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2008-05-09 17:24:28 +00:00
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/** \brief Helper class for an element in a PLY file.
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2008-05-05 12:36:31 +00:00
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*
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2008-05-09 17:24:28 +00:00
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* This can e.g. be the vertex declaration. Elements contain a
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* well-defined number of properties.
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2008-05-05 12:36:31 +00:00
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*/
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class Element
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{
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public:
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//! Default constructor
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Element()
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: NumOccur(0), eSemantic (EEST_INVALID)
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{}
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2008-05-09 17:24:28 +00:00
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//! Destructor. Dallocates all storage
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~Element()
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{
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// delete all elements
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for (std::vector<Property*>::const_iterator
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i = this->alProperties.begin();
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i != this->alProperties.end();++i)
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{
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delete (*i);
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}
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return;
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}
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2008-05-05 12:36:31 +00:00
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//! List of properties assigned to the element
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//! std::vector to support operator[]
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2008-05-09 17:24:28 +00:00
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std::vector<Property*> alProperties;
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2008-05-05 12:36:31 +00:00
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//! Semantic of the element
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EElementSemantic eSemantic;
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//! Of the semantic of the element could not be parsed:
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//! Contains the semantic specified in the file
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std::string szName;
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//! How many times will the element occur?
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unsigned int NumOccur;
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2008-05-09 17:24:28 +00:00
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// -------------------------------------------------------------------
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2008-05-05 12:36:31 +00:00
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//! Parse an element from a string.
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//! The function will parse all properties contained in the
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//! element, too.
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static bool ParseElement (const char* p_szIn, const char** p_szOut,
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Element* pOut);
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2008-05-09 17:24:28 +00:00
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// -------------------------------------------------------------------
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2008-05-05 12:36:31 +00:00
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//! Parse a semantic from a string
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static EElementSemantic ParseSemantic(const char* p_szIn,
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const char** p_szOut);
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};
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// ---------------------------------------------------------------------------------
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2008-05-09 17:24:28 +00:00
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/** \brief Instance of a property in a PLY file
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2008-05-05 12:36:31 +00:00
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*/
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class PropertyInstance
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{
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public:
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//! Default constructor
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PropertyInstance ()
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{}
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union ValueUnion
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{
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//! uInt32 representation of the property. All
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// uint types are automatically converted to uint32
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uint32_t iUInt;
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//! Int32 representation of the property. All
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// int types are automatically converted to int32
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int32_t iInt;
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//! Float32 representation of the property
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float fFloat;
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//! Float64 representation of the property
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double fDouble;
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};
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2008-05-09 17:24:28 +00:00
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// -------------------------------------------------------------------
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2008-05-05 12:36:31 +00:00
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//! List of all values parsed. Contains only one value
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// for non-list propertys
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std::list<ValueUnion> avList;
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2008-05-09 17:24:28 +00:00
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// -------------------------------------------------------------------
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2008-05-05 12:36:31 +00:00
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//! Parse a property instance
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static bool ParseInstance (const char* p_szIn,const char** p_szOut,
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const Property* prop, PropertyInstance* p_pcOut);
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2008-05-09 17:24:28 +00:00
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// -------------------------------------------------------------------
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2008-05-05 12:36:31 +00:00
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//! Parse a property instance in binary format
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static bool ParseInstanceBinary (const char* p_szIn,const char** p_szOut,
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const Property* prop, PropertyInstance* p_pcOut,bool p_bBE);
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2008-05-09 17:24:28 +00:00
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// -------------------------------------------------------------------
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2008-05-05 12:36:31 +00:00
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//! Get the default value for a given data type
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static ValueUnion DefaultValue(EDataType eType);
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2008-05-09 17:24:28 +00:00
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// -------------------------------------------------------------------
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2008-05-05 12:36:31 +00:00
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//! Parse a value
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static bool ParseValue(const char* p_szIn,const char** p_szOut,
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EDataType eType,ValueUnion* out);
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2008-05-09 17:24:28 +00:00
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// -------------------------------------------------------------------
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2008-05-05 12:36:31 +00:00
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//! Parse a binary value
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static bool ParseValueBinary(const char* p_szIn,const char** p_szOut,
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EDataType eType,ValueUnion* out,bool p_bBE);
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2008-05-09 17:24:28 +00:00
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// -------------------------------------------------------------------
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2008-05-05 12:36:31 +00:00
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//! Convert a property value to a given type TYPE
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template <typename TYPE>
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static TYPE ConvertTo(ValueUnion v, EDataType eType);
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};
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// ---------------------------------------------------------------------------------
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2008-05-09 17:24:28 +00:00
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/** \brief Class for an element instance in a PLY file
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2008-05-05 12:36:31 +00:00
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*/
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|
class ElementInstance
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|
{
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public:
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//! Default constructor
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|
ElementInstance ()
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{}
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//! List of all parsed properties
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|
std::vector< PropertyInstance > alProperties;
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|
2008-05-09 17:24:28 +00:00
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// -------------------------------------------------------------------
|
2008-05-05 12:36:31 +00:00
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//! Parse an element instance
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static bool ParseInstance (const char* p_szIn,const char** p_szOut,
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const Element* pcElement, ElementInstance* p_pcOut);
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|
2008-05-09 17:24:28 +00:00
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// -------------------------------------------------------------------
|
2008-05-05 12:36:31 +00:00
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//! Parse a binary element instance
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static bool ParseInstanceBinary (const char* p_szIn,const char** p_szOut,
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const Element* pcElement, ElementInstance* p_pcOut,bool p_bBE);
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};
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// ---------------------------------------------------------------------------------
|
2008-05-09 17:24:28 +00:00
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/** \brief Class for an element instance list in a PLY file
|
2008-05-05 12:36:31 +00:00
|
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|
*/
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|
class ElementInstanceList
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{
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public:
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|
//! Default constructor
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|
ElementInstanceList ()
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{}
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|
2008-05-09 17:24:28 +00:00
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|
//! Construction from a given element description
|
2008-05-05 12:36:31 +00:00
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|
ElementInstanceList (const Element* pc)
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|
{
|
2008-05-09 17:24:28 +00:00
|
|
|
// reserve enough storage to speedup the process
|
2008-05-13 23:26:52 +00:00
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alInstances.resize(pc->NumOccur);
|
2008-05-05 12:36:31 +00:00
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}
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|
2008-05-09 17:24:28 +00:00
|
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//! Destructor. Dallocates all storage
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|
~ElementInstanceList()
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|
|
{
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// delete all elements
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for (std::vector<ElementInstance*>::const_iterator
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|
i = this->alInstances.begin();
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|
i != this->alInstances.end();++i)
|
|
|
|
{
|
|
|
|
delete (*i);
|
|
|
|
}
|
|
|
|
return;
|
|
|
|
}
|
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|
|
2008-05-05 12:36:31 +00:00
|
|
|
//! List of all element instances
|
2008-05-09 17:24:28 +00:00
|
|
|
std::vector< ElementInstance* > alInstances;
|
2008-05-05 12:36:31 +00:00
|
|
|
|
2008-05-09 17:24:28 +00:00
|
|
|
// -------------------------------------------------------------------
|
2008-05-05 12:36:31 +00:00
|
|
|
//! Parse an element instance list
|
|
|
|
static bool ParseInstanceList (const char* p_szIn,const char** p_szOut,
|
|
|
|
const Element* pcElement, ElementInstanceList* p_pcOut);
|
|
|
|
|
2008-05-09 17:24:28 +00:00
|
|
|
// -------------------------------------------------------------------
|
2008-05-05 12:36:31 +00:00
|
|
|
//! Parse a binary element instance list
|
|
|
|
static bool ParseInstanceListBinary (const char* p_szIn,const char** p_szOut,
|
|
|
|
const Element* pcElement, ElementInstanceList* p_pcOut,bool p_bBE);
|
|
|
|
};
|
|
|
|
// ---------------------------------------------------------------------------------
|
2008-05-09 17:24:28 +00:00
|
|
|
/** \brief Class to represent the document object model of an ASCII or binary
|
|
|
|
* (both little and big-endian) PLY file
|
2008-05-05 12:36:31 +00:00
|
|
|
*/
|
|
|
|
class DOM
|
|
|
|
{
|
|
|
|
public:
|
|
|
|
|
|
|
|
//! Default constructor
|
|
|
|
DOM()
|
|
|
|
{}
|
|
|
|
|
2008-05-09 17:24:28 +00:00
|
|
|
//! Destructor. Dallocates all storage
|
|
|
|
~DOM()
|
|
|
|
{
|
|
|
|
// delete all elements
|
|
|
|
for (std::vector<Element*>::const_iterator
|
|
|
|
i = this->alElements.begin();
|
|
|
|
i != this->alElements.end();++i)
|
|
|
|
{
|
|
|
|
delete (*i);
|
|
|
|
}
|
|
|
|
// delete all instance lists
|
|
|
|
for (std::vector<ElementInstanceList*>::const_iterator
|
|
|
|
i = this->alElementData.begin();
|
|
|
|
i != this->alElementData.end();++i)
|
|
|
|
{
|
|
|
|
delete (*i);
|
|
|
|
}
|
|
|
|
return;
|
|
|
|
}
|
2008-05-05 12:36:31 +00:00
|
|
|
|
2008-05-09 17:24:28 +00:00
|
|
|
//! Contains all elements of the file format
|
|
|
|
std::vector<Element*> alElements;
|
|
|
|
//! Contains the real data of each element's instance list
|
|
|
|
std::vector<ElementInstanceList*> alElementData;
|
2008-05-05 12:36:31 +00:00
|
|
|
|
|
|
|
//! Parse the DOM for a PLY file. The input string is assumed
|
|
|
|
//! to be terminated with zero
|
2008-07-10 16:49:01 +00:00
|
|
|
static bool ParseInstance (const char* p_szIn,DOM* p_pcOut);
|
2008-05-05 12:36:31 +00:00
|
|
|
static bool ParseInstanceBinary (const char* p_szIn,
|
2008-07-10 16:49:01 +00:00
|
|
|
DOM* p_pcOut,bool p_bBE);
|
2008-05-05 12:36:31 +00:00
|
|
|
|
|
|
|
//! Skip all comment lines after this
|
|
|
|
static bool SkipComments (const char* p_szIn,const char** p_szOut);
|
|
|
|
|
|
|
|
private:
|
|
|
|
|
2008-05-09 17:24:28 +00:00
|
|
|
// -------------------------------------------------------------------
|
2008-05-05 12:36:31 +00:00
|
|
|
//! Handle the file header and read all element descriptions
|
|
|
|
bool ParseHeader (const char* p_szIn,const char** p_szOut);
|
|
|
|
|
2008-05-09 17:24:28 +00:00
|
|
|
// -------------------------------------------------------------------
|
2008-05-05 12:36:31 +00:00
|
|
|
//! Read in all element instance lists
|
|
|
|
bool ParseElementInstanceLists (const char* p_szIn,const char** p_szOut);
|
|
|
|
|
2008-05-09 17:24:28 +00:00
|
|
|
// -------------------------------------------------------------------
|
2008-05-05 12:36:31 +00:00
|
|
|
//! Read in all element instance lists for a binary file format
|
|
|
|
bool ParseElementInstanceListsBinary (const char* p_szIn,
|
|
|
|
const char** p_szOut,bool p_bBE);
|
|
|
|
};
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------------
|
2008-05-09 17:24:28 +00:00
|
|
|
/** \brief Helper class to represent a loaded PLY face
|
2008-05-05 12:36:31 +00:00
|
|
|
*/
|
|
|
|
class Face
|
|
|
|
{
|
|
|
|
public:
|
|
|
|
|
|
|
|
Face()
|
|
|
|
: iMaterialIndex(0xFFFFFFFF)
|
|
|
|
{
|
|
|
|
// set all indices to zero by default
|
|
|
|
mIndices.resize(3,0);
|
|
|
|
}
|
|
|
|
|
|
|
|
public:
|
|
|
|
|
|
|
|
//! List of vertex indices
|
|
|
|
std::vector<unsigned int> mIndices;
|
|
|
|
|
|
|
|
//! Material index
|
|
|
|
unsigned int iMaterialIndex;
|
|
|
|
};
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------------
|
|
|
|
template <typename TYPE>
|
|
|
|
TYPE PLY::PropertyInstance::ConvertTo(
|
|
|
|
PLY::PropertyInstance::ValueUnion v, PLY::EDataType eType)
|
|
|
|
{
|
|
|
|
switch (eType)
|
|
|
|
{
|
|
|
|
case EDT_Float:
|
|
|
|
return (TYPE)v.fFloat;
|
|
|
|
case EDT_Double:
|
|
|
|
return (TYPE)v.fDouble;
|
|
|
|
|
|
|
|
case EDT_UInt:
|
|
|
|
case EDT_UShort:
|
|
|
|
case EDT_UChar:
|
|
|
|
return (TYPE)v.iUInt;
|
|
|
|
|
|
|
|
case EDT_Int:
|
|
|
|
case EDT_Short:
|
|
|
|
case EDT_Char:
|
|
|
|
return (TYPE)v.iInt;
|
|
|
|
};
|
|
|
|
return (TYPE)0;
|
|
|
|
}
|
2008-05-09 17:24:28 +00:00
|
|
|
|
2008-08-17 15:04:10 +00:00
|
|
|
} // Namespace PLY
|
|
|
|
} // Namespace AssImp
|
2008-05-05 12:36:31 +00:00
|
|
|
|
2008-08-17 15:04:10 +00:00
|
|
|
#endif // !! include guard
|