CDispInfo::AllocateShadowDecalFragment

/* WARNING: Globals starting with '_' overlap smaller symbols at the same address */
/* CDispInfo::AllocateShadowDecalFragment(unsigned short, int) */

int * __thiscall CDispInfo::AllocateShadowDecalFragment(CDispInfo *this,ushort param_1,int param_2)

{
  ushort uVar1;
  ushort uVar2;
  uint uVar3;
  void *pvVar4;
  ushort uVar5;
  uint uVar6;
  int iVar7;
  uint uVar8;
  int iVar9;
  int *piVar10;
  uint uVar11;
  uint uVar12;
  bool bVar13;
  
  uVar3 = ThreadGetCurrentId();
  if (uVar3 == s_ShadowFragmentAllocLock) {
LAB_0013867c:
    uVar3 = (uint)DAT_0039eca0;
    DAT_0039ec54 = DAT_0039ec54 + 1;
    if (DAT_0039eca0 != 0xffff) goto LAB_0013869a;
LAB_001387bb:
    if ((int)(uint)DAT_0039eca6 < DAT_0039ec94) {
      uVar11 = DAT_0039eca6 + 1;
      uVar8 = 0xffff;
      uVar12 = uVar11 & 0xffff;
      uVar6 = uVar3;
      if ((int)uVar12 < DAT_0039ec94) {
        uVar6 = uVar11;
        uVar8 = uVar12;
      }
    }
    else {
      uVar8 = 0;
      if (DAT_0039ec94 < 1) {
        uVar8 = 0xffff;
      }
      uVar6 = (0 < DAT_0039ec94) - 1;
    }
    if (DAT_0039ec94 <= (int)uVar8) {
      CUtlMemory<UtlLinkedListElem_t<CDispShadowFragment,unsigned_short>,unsigned_short>::Grow
                ((CUtlMemory<UtlLinkedListElem_t<CDispShadowFragment,unsigned_short>,unsigned_short>
                  *)&s_DispShadowFragments,1);
      _DAT_0039eca8 = s_DispShadowFragments;
      if ((int)(uint)DAT_0039eca6 < DAT_0039ec94) {
        uVar11 = DAT_0039eca6 + 1;
        uVar8 = uVar11 & 0xffff;
        uVar6 = uVar3;
        uVar3 = 0xffff;
        if ((int)uVar8 < DAT_0039ec94) {
          uVar6 = uVar11;
          uVar3 = uVar8;
        }
      }
      else {
        uVar3 = 0;
        if (DAT_0039ec94 < 1) {
          uVar3 = 0xffff;
        }
        uVar6 = (0 < DAT_0039ec94) - 1;
      }
      if ((int)uVar3 < DAT_0039ec94) goto LAB_0013883d;
      if (CUtlLinkedList<CDispShadowFragment,unsigned_short,true,unsigned_short,CUtlMemory<UtlLinkedListElem_t<CDispShadowFragment,unsigned_short>,unsigned_short>>
          ::AllocInternal(bool)::__executeCount < 10) {
        CUtlLinkedList<CDispShadowFragment,unsigned_short,true,unsigned_short,CUtlMemory<UtlLinkedListElem_t<CDispShadowFragment,unsigned_short>,unsigned_short>>
        ::AllocInternal(bool)::__executeCount =
             CUtlLinkedList<CDispShadowFragment,unsigned_short,true,unsigned_short,CUtlMemory<UtlLinkedListElem_t<CDispShadowFragment,unsigned_short>,unsigned_short>>
             ::AllocInternal(bool)::__executeCount + 1;
        iVar9 = 0xbfff4;
        uVar5 = 0xffff;
        Warning("CUtlLinkedList overflow! (exhausted memory allocator)\n");
        uVar2 = 0xffff;
        goto LAB_001386c8;
      }
LAB_001388ca:
      iVar9 = 0xbfff4;
      uVar2 = 0xffff;
      uVar5 = 0xffff;
      goto LAB_001386c8;
    }
LAB_0013883d:
    uVar5 = (ushort)uVar6;
    if (uVar5 == 0xffff) {
      if (CUtlLinkedList<CDispShadowFragment,unsigned_short,true,unsigned_short,CUtlMemory<UtlLinkedListElem_t<CDispShadowFragment,unsigned_short>,unsigned_short>>
          ::AllocInternal(bool)::__executeCount < 10) {
        CUtlLinkedList<CDispShadowFragment,unsigned_short,true,unsigned_short,CUtlMemory<UtlLinkedListElem_t<CDispShadowFragment,unsigned_short>,unsigned_short>>
        ::AllocInternal(bool)::__executeCount =
             CUtlLinkedList<CDispShadowFragment,unsigned_short,true,unsigned_short,CUtlMemory<UtlLinkedListElem_t<CDispShadowFragment,unsigned_short>,unsigned_short>>
             ::AllocInternal(bool)::__executeCount + 1;
        Warning("CUtlLinkedList overflow! (exhausted index range)\n");
      }
      goto LAB_001388ca;
    }
    uVar3 = uVar6 & 0xffff;
    _DAT_0039eca4 = _DAT_0039eca4 + 1;
    iVar9 = uVar3 * 0xc;
    iVar7 = s_DispShadowFragments + iVar9;
    DAT_0039eca6 = uVar5;
  }
  else {
    LOCK();
    bVar13 = s_ShadowFragmentAllocLock == 0;
    uVar6 = uVar3;
    if (!bVar13) {
      uVar6 = s_ShadowFragmentAllocLock;
    }
    s_ShadowFragmentAllocLock = uVar6;
    UNLOCK();
    if (bVar13) goto LAB_0013867c;
    CThreadFastMutex::Lock(0x39ec50,uVar3);
    uVar3 = (uint)DAT_0039eca0;
    if (DAT_0039eca0 == 0xffff) goto LAB_001387bb;
LAB_0013869a:
    uVar5 = (ushort)uVar3;
    iVar9 = uVar3 * 0xc;
    iVar7 = s_DispShadowFragments + iVar9;
    DAT_0039eca0 = *(ushort *)(iVar7 + 10);
  }
  uVar2 = (ushort)uVar3;
  *(undefined2 *)(iVar7 + 10) = 0xffff;
  *(undefined2 *)(iVar7 + 8) = 0xffff;
LAB_001386c8:
  uVar1 = *(ushort *)(s_DispShadowDecals + 0x14 + (uint)param_1 * 0x1c);
  CUtlLinkedList<CDispShadowFragment,unsigned_short,true,unsigned_short,CUtlMemory<UtlLinkedListElem_t<CDispShadowFragment,unsigned_short>,unsigned_short>>
  ::Unlink((CUtlLinkedList<CDispShadowFragment,unsigned_short,true,unsigned_short,CUtlMemory<UtlLinkedListElem_t<CDispShadowFragment,unsigned_short>,unsigned_short>>
            *)&s_DispShadowFragments,uVar2);
  iVar7 = s_DispShadowFragments;
  piVar10 = (int *)(iVar9 + s_DispShadowFragments);
  *(ushort *)((int)piVar10 + 10) = uVar1;
  if (uVar1 == 0xffff) {
    *(ushort *)(piVar10 + 2) = DAT_0039ec9e;
    uVar1 = uVar5;
    uVar2 = DAT_0039ec9e;
  }
  else {
    iVar9 = iVar7 + (uint)uVar1 * 0xc;
    uVar2 = *(ushort *)(iVar9 + 8);
    *(ushort *)(piVar10 + 2) = uVar2;
    *(ushort *)(iVar9 + 8) = uVar5;
    uVar1 = DAT_0039ec9e;
  }
  DAT_0039ec9e = uVar1;
  uVar1 = uVar5;
  if (uVar2 != 0xffff) {
    *(ushort *)(iVar7 + 10 + (uint)uVar2 * 0xc) = uVar5;
    uVar1 = _DAT_0039ec9c;
  }
  _DAT_0039ec9c = uVar1;
  _DAT_0039eca2 = _DAT_0039eca2 + 1;
  *(ushort *)(s_DispShadowDecals + 0x14 + (uint)param_1 * 0x1c) = uVar5;
  *piVar10 = param_2;
  uVar3 = 0xffffffff;
  if ((uint)param_2 < 0x5500001) {
    uVar3 = param_2 * 0x18;
  }
  pvVar4 = operator_new__(uVar3);
  piVar10[1] = (int)pvVar4;
  DAT_0039ec54 = DAT_0039ec54 + -1;
  if (DAT_0039ec54 == 0) {
    LOCK();
    UNLOCK();
    s_ShadowFragmentAllocLock = 0;
  }
  return piVar10;
}