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C/C++ Source or Header  |  1995-08-16  |  299 b   |  12 lines
  1. #include "ray.h"
  2. #include "globals.h"
  3. #include "voxel.h"
  4.  
  5. SHORT Get_Voxel_Alt(PUCHAR sec_alt_array, long x, long y)
  6. {
  7. x/=(DIST_SCALER<<SHIFT);
  8. y/=(DIST_SCALER<<SHIFT);
  9. SHORT the_alt= (SHORT)sec_alt_array[(y&ALT_HEIGHT_AND)*ALT_WIDTH+(x&ALT_WIDTH_AND)];
  10. return (the_alt*HEIGHT_SCALER);
  11. }
  12.