Map_VisSetup

/* Map_VisSetup(model_t*, int, Vector const*, bool, unsigned int&) */

void Map_VisSetup(model_t *param_1,int param_2,Vector *param_3,bool param_4,uint *param_5)

{
  int iVar1;
  uint uVar2;
  undefined4 uVar3;
  undefined4 *puVar4;
  int iVar5;
  
  DAT_003ab1c9 = 0;
  DAT_003ab1c8 = '\0';
  vis = 0x20;
  if (param_2 < 0x21) {
    vis = param_2;
  }
  *param_5 = 0;
  if (0 < vis) {
    iVar5 = 0;
    puVar4 = &DAT_003a8f48;
    do {
      iVar1 = CM_PointLeafnum(param_3);
      uVar2 = CM_LeafFlags(iVar1);
      if ((uVar2 & 5) != 0) {
        DAT_003ab1c8 = '\x01';
      }
      if ((uVar2 & 2) != 0) {
        DAT_003ab1c9 = 1;
        *param_5 = *param_5 | 1;
      }
      iVar5 = iVar5 + 1;
      uVar3 = CM_LeafCluster(iVar1);
      puVar4[3] = uVar3;
      *puVar4 = *(undefined4 *)param_3;
      puVar4[1] = *(undefined4 *)(param_3 + 4);
      puVar4[2] = *(undefined4 *)(param_3 + 8);
      puVar4 = puVar4 + 5;
      param_3 = param_3 + 0xc;
    } while (iVar5 < vis);
  }
  if (DAT_003ab1c8 == '\0') {
    DAT_003ab1c9 = 0;
  }
  Map_VisMark(param_4,param_1);
  return;
}