/* ***********************************************************************
   *									 *
   *	       Program to Remove Discontinuous Zeros From Data		 *
   *									 *
   *				Program by				 *
   *			   Christopher D. Watkins			 *
   *									 *
   *			     'C' conversion by				 *
   *                            Larry Sharp				 *
   *									 *
   ***********************************************************************
*/

#include "stdio.h"
#include "stdlib.h"
#include "dos.h"
#include "conio.h"
#include "math.h"
#include "string.h"
#include "math.inc"
#include "graph.inc"
#include "render.inc"

int i, j, a, b, c;
Name OF2;

void main()
{
  clrscr();
  printf("z-Buffer Data correction Program\n\n");
  ClearHeightBuffer();
  GetObjectFile();
  strcpy(OF2, ObjectFile);
  LoadHeightBuffer(ObjectFile);
  printf("\nCorrecting Height Buffer\n");
  for(j=0; j<=Res; j++)
  {
    for(i=1; i<Res; i++)
    {
      a=Height[i][j];
      b=Height[i-1][j];
      c=Height[i+1][j];
      if((a==0) && (b!=0) && (c!=0))
	Height[i][j]=(b+c)/2;
    }
  }
  for(i=0; i<=Res; i++)
  {
    for(j=1; j<Res; j++)
    {
      a=Height[i][j];
      b=Height[i][j-1];
      c=Height[i][j+1];
      if((a==0) && (b!=0) && (c!=0))
	Height[i][j]=(b+c)/2;
    }
  }
  strcpy(ObjectFile, OF2);
  SaveHeightBuffer(ObjectFile);
}