CUtlRBTree<CUtlMap<CSteamID,GCSDK::CGCGSSession*,unsigned_short>::Node_t,unsigned_short,CUtlMap<CSteamID,GCSDK::CGCGSSession*,unsigned_short>::CKeyLess,CUtlMemory<UtlRBTreeNode_t<CUtlMap<CSteamID,GCSDK::CGCGSSession*,unsigned_short>::Node_t,unsigned_short>,unsigned_short>>::RotateLeft

/* CUtlRBTree<CUtlMap<CSteamID, GCSDK::CGCGSSession*, unsigned short>::Node_t, unsigned short,
   CUtlMap<CSteamID, GCSDK::CGCGSSession*, unsigned short>::CKeyLess,
   CUtlMemory<UtlRBTreeNode_t<CUtlMap<CSteamID, GCSDK::CGCGSSession*, unsigned short>::Node_t,
   unsigned short>, unsigned short> >::RotateLeft(unsigned short) */

void __thiscall
CUtlRBTree<CUtlMap<CSteamID,GCSDK::CGCGSSession*,unsigned_short>::Node_t,unsigned_short,CUtlMap<CSteamID,GCSDK::CGCGSSession*,unsigned_short>::CKeyLess,CUtlMemory<UtlRBTreeNode_t<CUtlMap<CSteamID,GCSDK::CGCGSSession*,unsigned_short>::Node_t,unsigned_short>,unsigned_short>>
::RotateLeft(CUtlRBTree<CUtlMap<CSteamID,GCSDK::CGCGSSession*,unsigned_short>::Node_t,unsigned_short,CUtlMap<CSteamID,GCSDK::CGCGSSession*,unsigned_short>::CKeyLess,CUtlMemory<UtlRBTreeNode_t<CUtlMap<CSteamID,GCSDK::CGCGSSession*,unsigned_short>::Node_t,unsigned_short>,unsigned_short>>
             *this,ushort param_1)

{
  short *psVar1;
  ushort *puVar2;
  int iVar3;
  undefined2 *puVar4;
  ushort uVar5;
  ushort uVar6;
  bool bVar7;
  int local_24;
  int local_20;
  
  if (Links(unsigned_short)::s_Sentinel == '\0') {
    iVar3 = __cxa_guard_acquire(&Links(unsigned_short)::s_Sentinel);
    if (iVar3 != 0) {
      Links(unsigned_short)::s_Sentinel = 0xffff;
      DAT_000d2872 = 0xffff;
      DAT_000d2874 = 0xffff;
      __cxa_guard_release(&Links(unsigned_short)::s_Sentinel);
    }
    if (param_1 != 0xffff) goto LAB_00080b7b;
LAB_00080d68:
    local_20 = 0x13ffec;
    uVar6 = DAT_000d2872;
    if (Links(unsigned_short)::s_Sentinel != '\0') goto LAB_00080b9e;
LAB_00080d88:
    iVar3 = __cxa_guard_acquire(&Links(unsigned_short)::s_Sentinel);
    if (iVar3 != 0) {
      Links(unsigned_short)::s_Sentinel = 0xffff;
      DAT_000d2872 = 0xffff;
      DAT_000d2874 = 0xffff;
      __cxa_guard_release(&Links(unsigned_short)::s_Sentinel);
    }
    iVar3 = *(int *)(this + 4);
    if (uVar6 != 0xffff) goto LAB_00080bab;
LAB_00080db3:
    local_24 = 0x13ffec;
    puVar4 = &Links(unsigned_short)::s_Sentinel;
  }
  else {
    if (param_1 == 0xffff) goto LAB_00080d68;
LAB_00080b7b:
    local_20 = (uint)param_1 * 0x14;
    uVar6 = *(ushort *)(*(int *)(this + 4) + local_20 + 2);
    if (Links(unsigned_short)::s_Sentinel == '\0') goto LAB_00080d88;
LAB_00080b9e:
    iVar3 = *(int *)(this + 4);
    if (uVar6 == 0xffff) goto LAB_00080db3;
LAB_00080bab:
    local_24 = (uint)uVar6 * 0x14;
    puVar4 = (undefined2 *)(local_24 + iVar3);
  }
  bVar7 = Links(unsigned_short)::s_Sentinel == '\0';
  *(undefined2 *)(iVar3 + 2 + local_20) = *puVar4;
  if ((bVar7) && (iVar3 = __cxa_guard_acquire(&Links(unsigned_short)::s_Sentinel), iVar3 != 0)) {
    DAT_000d2872 = 0xffff;
    Links(unsigned_short)::s_Sentinel = 0xffff;
    DAT_000d2874 = 0xffff;
    __cxa_guard_release(&Links(unsigned_short)::s_Sentinel);
  }
  if (uVar6 == 0xffff) {
    psVar1 = &Links(unsigned_short)::s_Sentinel;
  }
  else {
    psVar1 = (short *)(local_24 + *(int *)(this + 4));
  }
  if (*psVar1 != -1) {
    if ((Links(unsigned_short)::s_Sentinel == '\0') &&
       (iVar3 = __cxa_guard_acquire(&Links(unsigned_short)::s_Sentinel), iVar3 != 0)) {
      Links(unsigned_short)::s_Sentinel = 0xffff;
      DAT_000d2872 = 0xffff;
      DAT_000d2874 = 0xffff;
      __cxa_guard_release(&Links(unsigned_short)::s_Sentinel);
    }
    puVar2 = &Links(unsigned_short)::s_Sentinel;
    if (uVar6 != 0xffff) {
      puVar2 = (ushort *)(local_24 + *(int *)(this + 4));
    }
    *(ushort *)(*(int *)(this + 4) + 4 + (uint)*puVar2 * 0x14) = param_1;
  }
  if (uVar6 != 0xffff) {
    if ((Links(unsigned_short)::s_Sentinel == '\0') &&
       (iVar3 = __cxa_guard_acquire(&Links(unsigned_short)::s_Sentinel), iVar3 != 0)) {
      Links(unsigned_short)::s_Sentinel = 0xffff;
      DAT_000d2872 = 0xffff;
      DAT_000d2874 = 0xffff;
      __cxa_guard_release(&Links(unsigned_short)::s_Sentinel);
    }
    puVar4 = &Links(unsigned_short)::s_Sentinel;
    if (param_1 != 0xffff) {
      puVar4 = (undefined2 *)(*(int *)(this + 4) + local_20);
    }
    *(undefined2 *)(*(int *)(this + 4) + 4 + local_24) = puVar4[2];
  }
  if (param_1 == *(ushort *)(this + 0x10)) {
    *(ushort *)(this + 0x10) = uVar6;
    goto LAB_00080cbc;
  }
  if (Links(unsigned_short)::s_Sentinel == '\0') {
    iVar3 = __cxa_guard_acquire(&Links(unsigned_short)::s_Sentinel);
    if (iVar3 != 0) {
      Links(unsigned_short)::s_Sentinel = 0xffff;
      DAT_000d2872 = 0xffff;
      DAT_000d2874 = 0xffff;
      __cxa_guard_release(&Links(unsigned_short)::s_Sentinel);
    }
    if (param_1 != 0xffff) goto LAB_00080c65;
LAB_00080eb5:
    uVar5 = DAT_000d2874;
    if (Links(unsigned_short)::s_Sentinel != '\0') goto LAB_00080c77;
LAB_00080ed0:
    iVar3 = __cxa_guard_acquire(&Links(unsigned_short)::s_Sentinel);
    if (iVar3 != 0) {
      Links(unsigned_short)::s_Sentinel = 0xffff;
      DAT_000d2872 = 0xffff;
      DAT_000d2874 = 0xffff;
      __cxa_guard_release(&Links(unsigned_short)::s_Sentinel);
      goto LAB_00080c77;
    }
    if (uVar5 != 0xffff) goto LAB_00080c81;
LAB_00080efb:
    puVar2 = &Links(unsigned_short)::s_Sentinel;
  }
  else {
    if (param_1 == 0xffff) goto LAB_00080eb5;
LAB_00080c65:
    uVar5 = *(ushort *)(local_20 + *(int *)(this + 4) + 4);
    if (Links(unsigned_short)::s_Sentinel == '\0') goto LAB_00080ed0;
LAB_00080c77:
    if (uVar5 == 0xffff) goto LAB_00080efb;
LAB_00080c81:
    puVar2 = (ushort *)(*(int *)(this + 4) + (uint)uVar5 * 0x14);
  }
  if (param_1 == *puVar2) {
    if ((Links(unsigned_short)::s_Sentinel == '\0') &&
       (iVar3 = __cxa_guard_acquire(&Links(unsigned_short)::s_Sentinel), iVar3 != 0)) {
      Links(unsigned_short)::s_Sentinel = 0xffff;
      DAT_000d2872 = 0xffff;
      DAT_000d2874 = 0xffff;
      __cxa_guard_release(&Links(unsigned_short)::s_Sentinel);
    }
    puVar4 = &Links(unsigned_short)::s_Sentinel;
    if (param_1 != 0xffff) {
      puVar4 = (undefined2 *)(local_20 + *(int *)(this + 4));
    }
    *(ushort *)(*(int *)(this + 4) + (uint)(ushort)puVar4[2] * 0x14) = uVar6;
  }
  else {
    if ((Links(unsigned_short)::s_Sentinel == '\0') &&
       (iVar3 = __cxa_guard_acquire(&Links(unsigned_short)::s_Sentinel), iVar3 != 0)) {
      Links(unsigned_short)::s_Sentinel = 0xffff;
      DAT_000d2872 = 0xffff;
      DAT_000d2874 = 0xffff;
      __cxa_guard_release(&Links(unsigned_short)::s_Sentinel);
    }
    puVar4 = &Links(unsigned_short)::s_Sentinel;
    if (param_1 != 0xffff) {
      puVar4 = (undefined2 *)(local_20 + *(int *)(this + 4));
    }
    *(ushort *)(*(int *)(this + 4) + 2 + (uint)(ushort)puVar4[2] * 0x14) = uVar6;
  }
LAB_00080cbc:
  *(ushort *)(*(int *)(this + 4) + local_24) = param_1;
  if (param_1 != 0xffff) {
    *(ushort *)(*(int *)(this + 4) + 4 + local_20) = uVar6;
  }
  return;
}