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annotate libs/assimp/MDCFileData.h @ 0:b2f14e535253

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author John Tsiombikas <nuclear@member.fsf.org>
date Sat, 01 Feb 2014 19:58:19 +0200
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nuclear@0 1 /*
nuclear@0 2 Open Asset Import Library (assimp)
nuclear@0 3 ----------------------------------------------------------------------
nuclear@0 4
nuclear@0 5 Copyright (c) 2006-2012, assimp team
nuclear@0 6 All rights reserved.
nuclear@0 7
nuclear@0 8 Redistribution and use of this software in source and binary forms,
nuclear@0 9 with or without modification, are permitted provided that the
nuclear@0 10 following conditions are met:
nuclear@0 11
nuclear@0 12 * Redistributions of source code must retain the above
nuclear@0 13 copyright notice, this list of conditions and the
nuclear@0 14 following disclaimer.
nuclear@0 15
nuclear@0 16 * Redistributions in binary form must reproduce the above
nuclear@0 17 copyright notice, this list of conditions and the
nuclear@0 18 following disclaimer in the documentation and/or other
nuclear@0 19 materials provided with the distribution.
nuclear@0 20
nuclear@0 21 * Neither the name of the assimp team, nor the names of its
nuclear@0 22 contributors may be used to endorse or promote products
nuclear@0 23 derived from this software without specific prior
nuclear@0 24 written permission of the assimp team.
nuclear@0 25
nuclear@0 26 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
nuclear@0 27 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
nuclear@0 28 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
nuclear@0 29 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
nuclear@0 30 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
nuclear@0 31 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
nuclear@0 32 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
nuclear@0 33 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
nuclear@0 34 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
nuclear@0 35 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
nuclear@0 36 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
nuclear@0 37
nuclear@0 38 ----------------------------------------------------------------------
nuclear@0 39 */
nuclear@0 40
nuclear@0 41 /** @file Defines the helper data structures for importing MDC files
nuclear@0 42
nuclear@0 43 **********************************************************************
nuclear@0 44 File format specification:
nuclear@0 45 http://themdcfile.planetwolfenstein.gamespy.com/MDC_File_Format.pdf
nuclear@0 46 **********************************************************************
nuclear@0 47
nuclear@0 48 */
nuclear@0 49 #ifndef AI_MDCFILEHELPER_H_INC
nuclear@0 50 #define AI_MDCFILEHELPER_H_INC
nuclear@0 51
nuclear@0 52 #include "assimp/types.h"
nuclear@0 53 #include "assimp/mesh.h"
nuclear@0 54 #include "assimp/anim.h"
nuclear@0 55
nuclear@0 56 #include "assimp/Compiler/pushpack1.h"
nuclear@0 57
nuclear@0 58
nuclear@0 59 namespace Assimp {
nuclear@0 60 namespace MDC {
nuclear@0 61
nuclear@0 62
nuclear@0 63 // to make it easier for us, we test the magic word against both "endianesses"
nuclear@0 64 #define AI_MDC_MAGIC_NUMBER_BE AI_MAKE_MAGIC("CPDI")
nuclear@0 65 #define AI_MDC_MAGIC_NUMBER_LE AI_MAKE_MAGIC("IDPC")
nuclear@0 66
nuclear@0 67 // common limitations
nuclear@0 68 #define AI_MDC_VERSION 2
nuclear@0 69 #define AI_MDC_MAXQPATH 64
nuclear@0 70 #define AI_MDC_MAX_BONES 128
nuclear@0 71
nuclear@0 72 #define AI_MDC_CVERT_BIAS 127.0f
nuclear@0 73 #define AI_MDC_DELTA_SCALING 4.0f
nuclear@0 74 #define AI_MDC_BASE_SCALING (1.0f / 64.0f)
nuclear@0 75
nuclear@0 76
nuclear@0 77 // ---------------------------------------------------------------------------
nuclear@0 78 /** \brief Data structure for a MDC file's main header
nuclear@0 79 */
nuclear@0 80 struct Header
nuclear@0 81 {
nuclear@0 82 uint32_t ulIdent ;
nuclear@0 83 uint32_t ulVersion ;
nuclear@0 84 char ucName [ AI_MDC_MAXQPATH ] ;
nuclear@0 85 uint32_t ulFlags ;
nuclear@0 86 uint32_t ulNumFrames ;
nuclear@0 87 uint32_t ulNumTags ;
nuclear@0 88 uint32_t ulNumSurfaces ;
nuclear@0 89 uint32_t ulNumSkins ;
nuclear@0 90 uint32_t ulOffsetBorderFrames ;
nuclear@0 91 uint32_t ulOffsetTagNames ;
nuclear@0 92 uint32_t ulOffsetTagFrames ;
nuclear@0 93 uint32_t ulOffsetSurfaces ;
nuclear@0 94 uint32_t ulOffsetEnd ;
nuclear@0 95 } PACK_STRUCT ;
nuclear@0 96
nuclear@0 97
nuclear@0 98 // ---------------------------------------------------------------------------
nuclear@0 99 /** \brief Data structure for a MDC file's surface header
nuclear@0 100 */
nuclear@0 101 struct Surface
nuclear@0 102 {
nuclear@0 103 uint32_t ulIdent ;
nuclear@0 104 char ucName [ AI_MDC_MAXQPATH ] ;
nuclear@0 105 uint32_t ulFlags ;
nuclear@0 106 uint32_t ulNumCompFrames ;
nuclear@0 107 uint32_t ulNumBaseFrames ;
nuclear@0 108 uint32_t ulNumShaders ;
nuclear@0 109 uint32_t ulNumVertices ;
nuclear@0 110 uint32_t ulNumTriangles ;
nuclear@0 111 uint32_t ulOffsetTriangles ;
nuclear@0 112 uint32_t ulOffsetShaders ;
nuclear@0 113 uint32_t ulOffsetTexCoords ;
nuclear@0 114 uint32_t ulOffsetBaseVerts ;
nuclear@0 115 uint32_t ulOffsetCompVerts ;
nuclear@0 116 uint32_t ulOffsetFrameBaseFrames ;
nuclear@0 117 uint32_t ulOffsetFrameCompFrames ;
nuclear@0 118 uint32_t ulOffsetEnd;
nuclear@0 119 Surface()
nuclear@0 120 {
nuclear@0 121 ucName[AI_MDC_MAXQPATH-1] = '\0';
nuclear@0 122 }
nuclear@0 123 } PACK_STRUCT;
nuclear@0 124
nuclear@0 125 // ---------------------------------------------------------------------------
nuclear@0 126 /** \brief Data structure for a MDC frame
nuclear@0 127 */
nuclear@0 128 struct Frame
nuclear@0 129 {
nuclear@0 130 //! bounding box minimum coords
nuclear@0 131 aiVector3D bboxMin ;
nuclear@0 132
nuclear@0 133 //! bounding box maximum coords
nuclear@0 134 aiVector3D bboxMax ;
nuclear@0 135
nuclear@0 136 //! local origin of the frame
nuclear@0 137 aiVector3D localOrigin ;
nuclear@0 138
nuclear@0 139 //! radius of the BB
nuclear@0 140 float radius ;
nuclear@0 141
nuclear@0 142 //! Name of the frame
nuclear@0 143 char name [ 16 ] ;
nuclear@0 144 } PACK_STRUCT;
nuclear@0 145
nuclear@0 146 // ---------------------------------------------------------------------------
nuclear@0 147 /** \brief Data structure for a MDC triangle
nuclear@0 148 */
nuclear@0 149 struct Triangle
nuclear@0 150 {
nuclear@0 151 uint32_t aiIndices[3];
nuclear@0 152 } PACK_STRUCT;
nuclear@0 153
nuclear@0 154 // ---------------------------------------------------------------------------
nuclear@0 155 /** \brief Data structure for a MDC texture coordinate
nuclear@0 156 */
nuclear@0 157 struct TexturCoord
nuclear@0 158 {
nuclear@0 159 float u,v;
nuclear@0 160 } PACK_STRUCT;
nuclear@0 161
nuclear@0 162 // ---------------------------------------------------------------------------
nuclear@0 163 /** \brief Data structure for a MDC base vertex
nuclear@0 164 */
nuclear@0 165 struct BaseVertex
nuclear@0 166 {
nuclear@0 167 int16_t x,y,z;
nuclear@0 168 uint16_t normal;
nuclear@0 169 } PACK_STRUCT;
nuclear@0 170
nuclear@0 171 // ---------------------------------------------------------------------------
nuclear@0 172 /** \brief Data structure for a MDC compressed vertex
nuclear@0 173 */
nuclear@0 174 struct CompressedVertex
nuclear@0 175 {
nuclear@0 176 uint8_t xd,yd,zd,nd;
nuclear@0 177 } PACK_STRUCT;
nuclear@0 178
nuclear@0 179
nuclear@0 180 // ---------------------------------------------------------------------------
nuclear@0 181 /** \brief Data structure for a MDC shader
nuclear@0 182 */
nuclear@0 183 struct Shader
nuclear@0 184 {
nuclear@0 185 char ucName [ AI_MDC_MAXQPATH ] ;
nuclear@0 186 uint32_t ulPath;
nuclear@0 187
nuclear@0 188 } PACK_STRUCT;
nuclear@0 189
nuclear@0 190 #include "assimp/Compiler/poppack1.h"
nuclear@0 191
nuclear@0 192
nuclear@0 193 // ---------------------------------------------------------------------------
nuclear@0 194 /** Build a floating point vertex from the compressed data in MDC files
nuclear@0 195 */
nuclear@0 196 void BuildVertex(const Frame& frame,
nuclear@0 197 const BaseVertex& bvert,
nuclear@0 198 const CompressedVertex& cvert,
nuclear@0 199 aiVector3D& vXYZOut,
nuclear@0 200 aiVector3D& vNorOut);
nuclear@0 201 }}
nuclear@0 202
nuclear@0 203 #endif // !! AI_MDCFILEHELPER_H_INC