49 lines
903 B
C
49 lines
903 B
C
#ifdef KLEIN_H
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#error file included twice
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#endif
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#define KLEIN_H
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#ifdef KLEIN_IMPLEMENT
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#include <stdio.h>
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#include <stdlib.h>
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#endif
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struct klein
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{
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unsigned long vertex_size;
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float *vertex, *normals;
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unsigned char dim;
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};
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/*
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The klein format must have:
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5 bytes with klein.
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1 byte empty for expantions
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1 byte with the dimention of the surface
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*/
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static inline
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int klein_export_file(struct klein klein, const char * filename);
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#ifdef KLEIN_IMPLEMENT
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static inline
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int klein_export_file(struct klein klein, const char * filename)
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{
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FILE *file = fopen(filename, "wb");
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if (!file)
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return 1;
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fwrite("KLEIN", 1, 5, file);
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fwrite("\0", 1, 1, file);
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fwrite(&klein.dim, 1, 1, file);
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fwrite(&klein.vertex_size, 8, 1, file);
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fwrite(klein.vertex, 4, klein.vertex_size * klein.dim, file);
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fwrite(klein.normals, 4, klein.vertex_size * klein.dim, file);
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fclose(file);
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return 0;
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}
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#endif
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