CDispInfo::SetupDecalNodeIntersect

/* CDispInfo::SetupDecalNodeIntersect(CVertIndex const&, int, CDispDecalBase*, ShadowInfo_t const*)
    */

void __thiscall
CDispInfo::SetupDecalNodeIntersect
          (CDispInfo *this,CVertIndex *param_1,int param_2,CDispDecalBase *param_3,
          ShadowInfo_t *param_4)

{
  CDispDecalBase CVar1;
  char cVar2;
  int iVar3;
  
  if (param_3 != (CDispDecalBase *)0x0) {
    *(undefined4 *)param_3 = 0;
    *(undefined4 *)(param_3 + 4) = 0;
    *(undefined4 *)(param_3 + 8) = 0;
  }
  if (SetupDecalNodeIntersect(CVertIndex_const&,int,CDispDecalBase*,ShadowInfo_t_const*)::cache ==
      '\0') {
    iVar3 = __cxa_guard_acquire(&SetupDecalNodeIntersect(CVertIndex_const&,int,CDispDecalBase*,ShadowInfo_t_const*)
                                 ::cache);
    if (iVar3 != 0) {
      SetupDecalNodeIntersect(CVertIndex_const&,int,CDispDecalBase*,ShadowInfo_t_const*)::cache.
      _4624_4_ = 0;
      __cxa_guard_release(&SetupDecalNodeIntersect(CVertIndex_const&,int,CDispDecalBase*,ShadowInfo_t_const*)
                           ::cache);
    }
  }
  SetupDecalNodeIntersect(CVertIndex_const&,int,CDispDecalBase*,ShadowInfo_t_const*)::cache._4624_4_
       = SetupDecalNodeIntersect(CVertIndex_const&,int,CDispDecalBase*,ShadowInfo_t_const*)::cache.
         _4624_4_ + 1;
  cVar2 = SetupDecalNodeIntersect_R
                    (this,param_1,param_2,param_3,param_4,0,
                     (CDecalNodeSetupCache *)
                     SetupDecalNodeIntersect(CVertIndex_const&,int,CDispDecalBase*,ShadowInfo_t_const*)
                     ::cache);
  CVar1 = param_3[0xc];
  param_3[0xc] = (CDispDecalBase)((byte)CVar1 | 1);
  if (cVar2 == '\0') {
    param_3[0xc] = (CDispDecalBase)((byte)CVar1 | 5);
    return;
  }
  param_3[0xc] = (CDispDecalBase)((byte)CVar1 & 0xfb | 1);
  return;
}