209 lines
6.1 KiB
C++
209 lines
6.1 KiB
C++
/*
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Open Asset Import Library (assimp)
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----------------------------------------------------------------------
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Copyright (c) 2006-2018, assimp 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 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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/** @file Defines the helper data structures for importing MDC files
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**********************************************************************
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File format specification:
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http://themdcfile.planetwolfenstein.gamespy.com/MDC_File_Format.pdf
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**********************************************************************
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*/
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#ifndef AI_MDCFILEHELPER_H_INC
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#define AI_MDCFILEHELPER_H_INC
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#include <assimp/types.h>
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#include <assimp/mesh.h>
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#include <assimp/anim.h>
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#include <assimp/Compiler/pushpack1.h>
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#include <stdint.h>
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namespace Assimp {
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namespace MDC {
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// to make it easier for us, we test the magic word against both "endianesses"
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#define AI_MDC_MAGIC_NUMBER_BE AI_MAKE_MAGIC("CPDI")
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#define AI_MDC_MAGIC_NUMBER_LE AI_MAKE_MAGIC("IDPC")
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// common limitations
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#define AI_MDC_VERSION 2
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#define AI_MDC_MAXQPATH 64
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#define AI_MDC_MAX_BONES 128
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#define AI_MDC_CVERT_BIAS 127.0f
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#define AI_MDC_DELTA_SCALING 4.0f
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#define AI_MDC_BASE_SCALING (1.0f / 64.0f)
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// ---------------------------------------------------------------------------
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/** \brief Data structure for a MDC file's main header
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*/
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struct Header {
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uint32_t ulIdent ;
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uint32_t ulVersion ;
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char ucName [ AI_MDC_MAXQPATH ] ;
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uint32_t ulFlags ;
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uint32_t ulNumFrames ;
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uint32_t ulNumTags ;
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uint32_t ulNumSurfaces ;
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uint32_t ulNumSkins ;
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uint32_t ulOffsetBorderFrames ;
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uint32_t ulOffsetTagNames ;
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uint32_t ulOffsetTagFrames ;
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uint32_t ulOffsetSurfaces ;
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uint32_t ulOffsetEnd ;
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} PACK_STRUCT ;
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// ---------------------------------------------------------------------------
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/** \brief Data structure for a MDC file's surface header
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*/
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struct Surface {
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uint32_t ulIdent ;
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char ucName [ AI_MDC_MAXQPATH ] ;
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uint32_t ulFlags ;
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uint32_t ulNumCompFrames ;
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uint32_t ulNumBaseFrames ;
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uint32_t ulNumShaders ;
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uint32_t ulNumVertices ;
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uint32_t ulNumTriangles ;
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uint32_t ulOffsetTriangles ;
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uint32_t ulOffsetShaders ;
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uint32_t ulOffsetTexCoords ;
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uint32_t ulOffsetBaseVerts ;
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uint32_t ulOffsetCompVerts ;
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uint32_t ulOffsetFrameBaseFrames ;
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uint32_t ulOffsetFrameCompFrames ;
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uint32_t ulOffsetEnd;
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Surface() AI_NO_EXCEPT
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: ulIdent()
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, ulFlags()
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, ulNumCompFrames()
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, ulNumBaseFrames()
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, ulNumShaders()
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, ulNumVertices()
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, ulNumTriangles()
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, ulOffsetTriangles()
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, ulOffsetShaders()
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, ulOffsetTexCoords()
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, ulOffsetBaseVerts()
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, ulOffsetCompVerts()
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, ulOffsetFrameBaseFrames()
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, ulOffsetFrameCompFrames()
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, ulOffsetEnd() {
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ucName[AI_MDC_MAXQPATH-1] = '\0';
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}
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} PACK_STRUCT;
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// ---------------------------------------------------------------------------
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/** \brief Data structure for a MDC frame
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*/
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struct Frame {
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//! bounding box minimum coords
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aiVector3D bboxMin ;
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//! bounding box maximum coords
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aiVector3D bboxMax ;
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//! local origin of the frame
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aiVector3D localOrigin ;
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//! radius of the BB
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float radius ;
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//! Name of the frame
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char name [ 16 ] ;
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} /*PACK_STRUCT*/;
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// ---------------------------------------------------------------------------
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/** \brief Data structure for a MDC triangle
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*/
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struct Triangle {
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uint32_t aiIndices[3];
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} PACK_STRUCT;
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// ---------------------------------------------------------------------------
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/** \brief Data structure for a MDC texture coordinate
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*/
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struct TexturCoord {
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float u,v;
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} PACK_STRUCT;
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// ---------------------------------------------------------------------------
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/** \brief Data structure for a MDC base vertex
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*/
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struct BaseVertex {
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int16_t x,y,z;
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uint16_t normal;
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} PACK_STRUCT;
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// ---------------------------------------------------------------------------
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/** \brief Data structure for a MDC compressed vertex
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*/
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struct CompressedVertex {
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uint8_t xd,yd,zd,nd;
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} PACK_STRUCT;
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// ---------------------------------------------------------------------------
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/** \brief Data structure for a MDC shader
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*/
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struct Shader {
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char ucName [ AI_MDC_MAXQPATH ] ;
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uint32_t ulPath;
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} PACK_STRUCT;
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#include <assimp/Compiler/poppack1.h>
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// ---------------------------------------------------------------------------
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/** Build a floating point vertex from the compressed data in MDC files
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*/
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void BuildVertex(const Frame& frame,
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const BaseVertex& bvert,
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const CompressedVertex& cvert,
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aiVector3D& vXYZOut,
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aiVector3D& vNorOut);
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}
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}
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#endif // !! AI_MDCFILEHELPER_H_INC
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