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- /*
- Open Asset Import Library (assimp)
- ----------------------------------------------------------------------
- Copyright (c) 2006-2025, assimp team
- All rights reserved.
- Redistribution and use of this software in source and binary forms,
- with or without modification, are permitted provided that the
- following conditions are met:
- * Redistributions of source code must retain the above
- 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
- materials provided with the distribution.
- * Neither the name of the assimp team, nor the names of its
- contributors may be used to endorse or promote products
- derived from this software without specific prior
- written permission of the assimp team.
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- ----------------------------------------------------------------------
- */
- /** @file Defines the helper data structures for importing MDC files
- **********************************************************************
- File format specification:
- http://themdcfile.planetwolfenstein.gamespy.com/MDC_File_Format.pdf
- **********************************************************************
- */
- #ifndef AI_MDCFILEHELPER_H_INC
- #define AI_MDCFILEHELPER_H_INC
- #include <assimp/types.h>
- #include <assimp/mesh.h>
- #include <assimp/anim.h>
- #include <assimp/Compiler/pushpack1.h>
- #include <stdint.h>
- namespace Assimp {
- namespace MDC {
- // to make it easier for us, we test the magic word against both "endiannesses"
- #define AI_MDC_MAGIC_NUMBER_BE AI_MAKE_MAGIC("CPDI")
- #define AI_MDC_MAGIC_NUMBER_LE AI_MAKE_MAGIC("IDPC")
- // common limitations
- #define AI_MDC_VERSION 2
- #define AI_MDC_MAXQPATH 64
- #define AI_MDC_MAX_BONES 128
- #define AI_MDC_CVERT_BIAS 127.0f
- #define AI_MDC_DELTA_SCALING 4.0f
- #define AI_MDC_BASE_SCALING (1.0f / 64.0f)
- // ---------------------------------------------------------------------------
- /** \brief Data structure for a MDC file's main header
- */
- struct Header {
- uint32_t ulIdent ;
- uint32_t ulVersion ;
- char ucName [ AI_MDC_MAXQPATH ] ;
- uint32_t ulFlags ;
- uint32_t ulNumFrames ;
- uint32_t ulNumTags ;
- uint32_t ulNumSurfaces ;
- uint32_t ulNumSkins ;
- uint32_t ulOffsetBorderFrames ;
- uint32_t ulOffsetTagNames ;
- uint32_t ulOffsetTagFrames ;
- uint32_t ulOffsetSurfaces ;
- uint32_t ulOffsetEnd ;
- } PACK_STRUCT ;
- // ---------------------------------------------------------------------------
- /** \brief Data structure for a MDC file's surface header
- */
- struct Surface {
- uint32_t ulIdent ;
- char ucName [ AI_MDC_MAXQPATH ] ;
- uint32_t ulFlags ;
- uint32_t ulNumCompFrames ;
- uint32_t ulNumBaseFrames ;
- uint32_t ulNumShaders ;
- uint32_t ulNumVertices ;
- uint32_t ulNumTriangles ;
- uint32_t ulOffsetTriangles ;
- uint32_t ulOffsetShaders ;
- uint32_t ulOffsetTexCoords ;
- uint32_t ulOffsetBaseVerts ;
- uint32_t ulOffsetCompVerts ;
- uint32_t ulOffsetFrameBaseFrames ;
- uint32_t ulOffsetFrameCompFrames ;
- uint32_t ulOffsetEnd;
- Surface() AI_NO_EXCEPT
- : ulIdent()
- , ulFlags()
- , ulNumCompFrames()
- , ulNumBaseFrames()
- , ulNumShaders()
- , ulNumVertices()
- , ulNumTriangles()
- , ulOffsetTriangles()
- , ulOffsetShaders()
- , ulOffsetTexCoords()
- , ulOffsetBaseVerts()
- , ulOffsetCompVerts()
- , ulOffsetFrameBaseFrames()
- , ulOffsetFrameCompFrames()
- , ulOffsetEnd() {
- ucName[AI_MDC_MAXQPATH-1] = '\0';
- }
- } PACK_STRUCT;
- // ---------------------------------------------------------------------------
- /** \brief Data structure for a MDC frame
- */
- struct Frame {
- //! bounding box minimum coords
- aiVector3D bboxMin ;
- //! bounding box maximum coords
- aiVector3D bboxMax ;
- //! local origin of the frame
- aiVector3D localOrigin ;
- //! radius of the BB
- float radius ;
- //! Name of the frame
- char name [ 16 ] ;
- } /*PACK_STRUCT*/;
- // ---------------------------------------------------------------------------
- /** \brief Data structure for a MDC triangle
- */
- struct Triangle {
- uint32_t aiIndices[3];
- } PACK_STRUCT;
- // ---------------------------------------------------------------------------
- /** \brief Data structure for a MDC texture coordinate
- */
- struct TexturCoord {
- float u,v;
- } PACK_STRUCT;
- // ---------------------------------------------------------------------------
- /** \brief Data structure for a MDC base vertex
- */
- struct BaseVertex {
- int16_t x,y,z;
- uint16_t normal;
- } PACK_STRUCT;
- // ---------------------------------------------------------------------------
- /** \brief Data structure for a MDC compressed vertex
- */
- struct CompressedVertex {
- uint8_t xd,yd,zd,nd;
- } PACK_STRUCT;
- // ---------------------------------------------------------------------------
- /** \brief Data structure for a MDC shader
- */
- struct Shader {
- char ucName [ AI_MDC_MAXQPATH ] ;
- uint32_t ulPath;
- } PACK_STRUCT;
- #include <assimp/Compiler/poppack1.h>
- // ---------------------------------------------------------------------------
- /** Build a floating point vertex from the compressed data in MDC files
- */
- void BuildVertex(const Frame& frame,
- const BaseVertex& bvert,
- const CompressedVertex& cvert,
- aiVector3D& vXYZOut,
- aiVector3D& vNorOut);
- }
- }
- #endif // !! AI_MDCFILEHELPER_H_INC
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