CM_HeadnodeVisible

/* CM_HeadnodeVisible(int, unsigned char const*, int) */

uint CM_HeadnodeVisible(int param_1,uchar *param_2,int param_3)

{
  int iVar1;
  short sVar2;
  uint uVar3;
  
  while (-1 < param_1) {
    iVar1 = g_BSPData + param_1 * 0xc;
    uVar3 = CM_HeadnodeVisible(*(int *)(iVar1 + 4),param_2,param_3);
    if ((char)uVar3 != '\0') {
      return uVar3;
    }
    param_1 = *(uint *)(iVar1 + 8);
  }
  if (DAT_0039439c <= ~param_1) {
    Error("Cannot load corrupted map.\n");
  }
  sVar2 = *(short *)(~param_1 * 0x10 + DAT_00394398 + 4);
  if (sVar2 != -1) {
    return (int)(uint)param_2[(int)sVar2 >> 3] >> ((byte)sVar2 & 7) & 1;
  }
  return 0;
}