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367 lines
12 KiB
C
367 lines
12 KiB
C
/* -----------------------------------------------------------------------------
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PicoModel Library
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Copyright (c) 2002, Randy Reddig & seaw0lf
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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Redistributions of source code must retain the above copyright notice, this list
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of conditions and the following disclaimer.
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Redistributions in binary form must reproduce the above copyright notice, this
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list of conditions and the following disclaimer in the documentation and/or
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other materials provided with the distribution.
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Neither the names of the copyright holders nor the names of its contributors may
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be used to endorse or promote products derived from this software without
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specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY 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 OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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----------------------------------------------------------------------------- */
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// This header file is based from the following:
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/*
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FlexModel.H - Header file for FlexModel file structure
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By Chris Burke
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serotonin@earthlink.net
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*/
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#ifndef __PM_FM_H__
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#define __PM_FM_H__
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#include "picointernal.h"
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//
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// Absolute limits (from QData / QMView source)
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//
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#define MAX_FM_TRIANGLES 2048
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#define MAX_FM_VERTS 2048
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#define MAX_FM_FRAMES 2048
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#define MAX_FM_SKINS 64
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#define MAX_FM_SKINNAME 64
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#define MAX_FM_MESH_NODES 16
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#define DTRIVERTX_V0 0
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#define DTRIVERTX_V1 1
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#define DTRIVERTX_V2 2
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#define DTRIVERTX_LNI 3
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#define DTRIVERTX_SIZE 4
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#define SKINPAGE_WIDTH 640
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#define SKINPAGE_HEIGHT 480
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#define ENCODED_WIDTH_X 92
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#define ENCODED_WIDTH_Y 475
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#define ENCODED_HEIGHT_X 128
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#define ENCODED_HEIGHT_Y 475
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#define SCALE_ADJUST_FACTOR 0.96
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#define INFO_HEIGHT 5
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#define INFO_Y ( SKINPAGE_HEIGHT - INFO_HEIGHT )
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#ifndef byte
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#define byte unsigned char
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#endif
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//
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// Generic header on every chunk
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//
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#define FM_MAXCHUNKIDENT 32L
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typedef struct
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{
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char ident[FM_MAXCHUNKIDENT];
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unsigned int version;
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unsigned int size;
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} fm_chunk_header_t;
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//
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// The format of the "header" chunk
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//
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#define FM_HEADERCHUNKNAME "header"
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#define FM_HEADERCHUNKVER 2
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#define FM_HEADERCHUNKSIZE 40
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typedef struct
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{
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int skinWidth; // in pixels
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int skinHeight; // in pixels
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int frameSize; // size of each frame (in bytes)
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int numSkins; // number of skins
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int numXYZ; // number of unique vertices in 3D space
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int numST; // number of unique vertices in texture space
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int numTris; // number of unique triangles
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int numGLCmds; // # 32-bit elements in strip/fan command list
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int numFrames; // number of animation frames
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int numMeshNodes; // number of mesh nodes
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} fm_header_t;
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//
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// The format of an entry in the "skin" chunk.
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// The number of entries is given in the fmheader chunk
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//
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#define FM_SKINCHUNKNAME "skin"
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#define FM_SKINCHUNKVER 1
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#define FM_MAXPATHLENGTH 64L
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#define FM_SKINPATHSIZE ( FM_MAXPATHLENGTH )
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typedef struct
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{
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char path[FM_SKINPATHSIZE]; // path, relative to 'base'
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} fm_skinpath_t;
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//
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// The format of the "st coord" chunk. This is a list
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// of unique skin texture (u, v) coordinates to be mapped
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// to verteces of the model
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//
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#define FM_STCOORDCHUNKNAME "st coord"
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#define FM_STCOORDCHUNKVER 1
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#define FM_STCOORDUVSIZE ( 2L + 2L )
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typedef struct
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{
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short s;
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short t;
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} fm_st_t;
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//
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// The format of the "tris" chunk. This is a list of vertex indeces
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// in 3D space, and the corresponding vertex indeces in texture space.
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//
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#define FM_TRISCHUNKNAME "tris"
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#define FM_TRISCHUNKVER 1
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#define FM_TRISINFOSIZE ( 2L * 3 + 2L * 3 )
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typedef struct
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{
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short index_xyz[3];
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short index_st[3];
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} fm_xyz_st_t;
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//
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// The format of the "frames" chunk. This is a list of animation
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// frames, each specifying the coordinates and "light normal" index
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// of every vertex of the model in 3D space.
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//
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#define FM_FRAMESCHUNKNAME "frames"
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#define FM_FRAMESCHUNKVER 1
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#define FM_NUMVERTEXNORMALS 162
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// Frame info
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typedef struct
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{
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byte v[3]; // scaled by header info
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byte lightnormalindex; // index in canned table of closest vertex normal
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} fm_vert_normal_t;
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typedef struct
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{
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float scale[3]; // multiply byte verts by this
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float translate[3]; // then add this
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char name[16]; // frame name
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} fm_framehdr_t;
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typedef struct
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{
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fm_framehdr_t header; // One header per frame
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fm_vert_normal_t verts[1]; // variable number of these
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} fm_frame_t;
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typedef struct
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{
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fm_chunk_header_t *fm_header_hdr;
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fm_header_t *fm_header;
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fm_chunk_header_t *fm_skin_hdr;
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fm_skinpath_t *fm_skin;
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fm_chunk_header_t *fm_st_hdr;
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fm_st_t *fm_st;
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fm_chunk_header_t *fm_tri_hdr;
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fm_xyz_st_t *fm_tri;
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fm_chunk_header_t *fm_frame_hdr;
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fm_frame_t *fm_frame;
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} fm_t;
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float fm_normals[FM_NUMVERTEXNORMALS][3] = {
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{-0.525731f, 0.000000f, 0.850651f},
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{-0.442863f, 0.238856f, 0.864188f},
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{-0.295242f, 0.000000f, 0.955423f},
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{-0.309017f, 0.500000f, 0.809017f},
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{-0.162460f, 0.262866f, 0.951056f},
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{0.000000f, 0.000000f, 1.000000f},
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{0.000000f, 0.850651f, 0.525731f},
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{-0.147621f, 0.716567f, 0.681718f},
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{0.147621f, 0.716567f, 0.681718f},
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{0.000000f, 0.525731f, 0.850651f},
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{0.309017f, 0.500000f, 0.809017f},
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{0.525731f, 0.000000f, 0.850651f},
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{0.295242f, 0.000000f, 0.955423f},
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{0.442863f, 0.238856f, 0.864188f},
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{0.162460f, 0.262866f, 0.951056f},
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{-0.681718f, 0.147621f, 0.716567f},
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{-0.809017f, 0.309017f, 0.500000f},
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{-0.587785f, 0.425325f, 0.688191f},
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{-0.850651f, 0.525731f, 0.000000f},
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{-0.864188f, 0.442863f, 0.238856f},
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{-0.716567f, 0.681718f, 0.147621f},
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{-0.688191f, 0.587785f, 0.425325f},
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{-0.500000f, 0.809017f, 0.309017f},
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{-0.238856f, 0.864188f, 0.442863f},
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{-0.425325f, 0.688191f, 0.587785f},
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{-0.716567f, 0.681718f, -0.147621f},
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{-0.500000f, 0.809017f, -0.309017f},
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{-0.525731f, 0.850651f, 0.000000f},
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{0.000000f, 0.850651f, -0.525731f},
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{-0.238856f, 0.864188f, -0.442863f},
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{0.000000f, 0.955423f, -0.295242f},
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{-0.262866f, 0.951056f, -0.162460f},
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{0.000000f, 1.000000f, 0.000000f},
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{0.000000f, 0.955423f, 0.295242f},
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{-0.262866f, 0.951056f, 0.162460f},
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{0.238856f, 0.864188f, 0.442863f},
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{0.262866f, 0.951056f, 0.162460f},
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{0.500000f, 0.809017f, 0.309017f},
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{0.238856f, 0.864188f, -0.442863f},
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{0.262866f, 0.951056f, -0.162460f},
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{0.500000f, 0.809017f, -0.309017f},
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{0.850651f, 0.525731f, 0.000000f},
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{0.716567f, 0.681718f, 0.147621f},
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{0.716567f, 0.681718f, -0.147621f},
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{0.525731f, 0.850651f, 0.000000f},
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{0.425325f, 0.688191f, 0.587785f},
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{0.864188f, 0.442863f, 0.238856f},
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{0.688191f, 0.587785f, 0.425325f},
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{0.809017f, 0.309017f, 0.500000f},
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{0.681718f, 0.147621f, 0.716567f},
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{0.587785f, 0.425325f, 0.688191f},
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{0.955423f, 0.295242f, 0.000000f},
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{1.000000f, 0.000000f, 0.000000f},
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{0.951056f, 0.162460f, 0.262866f},
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{0.850651f, -0.525731f, 0.000000f},
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{0.955423f, -0.295242f, 0.000000f},
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{0.864188f, -0.442863f, 0.238856f},
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{0.951056f, -0.162460f, 0.262866f},
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{0.809017f, -0.309017f, 0.500000f},
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{0.681718f, -0.147621f, 0.716567f},
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{0.850651f, 0.000000f, 0.525731f},
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{0.864188f, 0.442863f, -0.238856f},
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{0.809017f, 0.309017f, -0.500000f},
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{0.951056f, 0.162460f, -0.262866f},
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{0.525731f, 0.000000f, -0.850651f},
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{0.681718f, 0.147621f, -0.716567f},
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{0.681718f, -0.147621f, -0.716567f},
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{0.850651f, 0.000000f, -0.525731f},
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{0.809017f, -0.309017f, -0.500000f},
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{0.864188f, -0.442863f, -0.238856f},
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{0.951056f, -0.162460f, -0.262866f},
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{0.147621f, 0.716567f, -0.681718f},
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{0.309017f, 0.500000f, -0.809017f},
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{0.425325f, 0.688191f, -0.587785f},
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{0.442863f, 0.238856f, -0.864188f},
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{0.587785f, 0.425325f, -0.688191f},
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{0.688191f, 0.587785f, -0.425325f},
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{-0.147621f, 0.716567f, -0.681718f},
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{-0.309017f, 0.500000f, -0.809017f},
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{0.000000f, 0.525731f, -0.850651f},
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{-0.525731f, 0.000000f, -0.850651f},
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{-0.442863f, 0.238856f, -0.864188f},
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{-0.295242f, 0.000000f, -0.955423f},
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{-0.162460f, 0.262866f, -0.951056f},
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{0.000000f, 0.000000f, -1.000000f},
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{0.295242f, 0.000000f, -0.955423f},
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{0.162460f, 0.262866f, -0.951056f},
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{-0.442863f, -0.238856f, -0.864188f},
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{-0.309017f, -0.500000f, -0.809017f},
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{-0.162460f, -0.262866f, -0.951056f},
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{0.000000f, -0.850651f, -0.525731f},
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{-0.147621f, -0.716567f, -0.681718f},
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{0.147621f, -0.716567f, -0.681718f},
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{0.000000f, -0.525731f, -0.850651f},
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{0.309017f, -0.500000f, -0.809017f},
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{0.442863f, -0.238856f, -0.864188f},
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{0.162460f, -0.262866f, -0.951056f},
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{0.238856f, -0.864188f, -0.442863f},
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{0.500000f, -0.809017f, -0.309017f},
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{0.425325f, -0.688191f, -0.587785f},
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{0.716567f, -0.681718f, -0.147621f},
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{0.688191f, -0.587785f, -0.425325f},
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{0.587785f, -0.425325f, -0.688191f},
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{0.000000f, -0.955423f, -0.295242f},
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{0.000000f, -1.000000f, 0.000000f},
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{0.262866f, -0.951056f, -0.162460f},
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{0.000000f, -0.850651f, 0.525731f},
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{0.000000f, -0.955423f, 0.295242f},
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{0.238856f, -0.864188f, 0.442863f},
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{0.262866f, -0.951056f, 0.162460f},
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{0.500000f, -0.809017f, 0.309017f},
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{0.716567f, -0.681718f, 0.147621f},
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{0.525731f, -0.850651f, 0.000000f},
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{-0.238856f, -0.864188f, -0.442863f},
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{-0.500000f, -0.809017f, -0.309017f},
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{-0.262866f, -0.951056f, -0.162460f},
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{-0.850651f, -0.525731f, 0.000000f},
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{-0.716567f, -0.681718f, -0.147621f},
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{-0.716567f, -0.681718f, 0.147621f},
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{-0.525731f, -0.850651f, 0.000000f},
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{-0.500000f, -0.809017f, 0.309017f},
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{-0.238856f, -0.864188f, 0.442863f},
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{-0.262866f, -0.951056f, 0.162460f},
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{-0.864188f, -0.442863f, 0.238856f},
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{-0.809017f, -0.309017f, 0.500000f},
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{-0.688191f, -0.587785f, 0.425325f},
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{-0.681718f, -0.147621f, 0.716567f},
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{-0.442863f, -0.238856f, 0.864188f},
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{-0.587785f, -0.425325f, 0.688191f},
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{-0.309017f, -0.500000f, 0.809017f},
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{-0.147621f, -0.716567f, 0.681718f},
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{-0.425325f, -0.688191f, 0.587785f},
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{-0.162460f, -0.262866f, 0.951056f},
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{0.442863f, -0.238856f, 0.864188f},
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{0.162460f, -0.262866f, 0.951056f},
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{0.309017f, -0.500000f, 0.809017f},
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{0.147621f, -0.716567f, 0.681718f},
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{0.000000f, -0.525731f, 0.850651f},
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{0.425325f, -0.688191f, 0.587785f},
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{0.587785f, -0.425325f, 0.688191f},
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{0.688191f, -0.587785f, 0.425325f},
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{-0.955423f, 0.295242f, 0.000000f},
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{-0.951056f, 0.162460f, 0.262866f},
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{-1.000000f, 0.000000f, 0.000000f},
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{-0.850651f, 0.000000f, 0.525731f},
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{-0.955423f, -0.295242f, 0.000000f},
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{-0.951056f, -0.162460f, 0.262866f},
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{-0.864188f, 0.442863f, -0.238856f},
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{-0.951056f, 0.162460f, -0.262866f},
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{-0.809017f, 0.309017f, -0.500000f},
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{-0.864188f, -0.442863f, -0.238856f},
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{-0.951056f, -0.162460f, -0.262866f},
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{-0.809017f, -0.309017f, -0.500000f},
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{-0.681718f, 0.147621f, -0.716567f},
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{-0.681718f, -0.147621f, -0.716567f},
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{-0.850651f, 0.000000f, -0.525731f},
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{-0.688191f, 0.587785f, -0.425325f},
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{-0.587785f, 0.425325f, -0.688191f},
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{-0.425325f, 0.688191f, -0.587785f},
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{-0.425325f, -0.688191f, -0.587785f},
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{-0.587785f, -0.425325f, -0.688191f},
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{-0.688191f, -0.587785f, -0.425325f},
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};
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#endif
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