AddDependency

/* AddDependency(CVertInfo*, int, CVertIndex const&, CVertIndex const&, int, bool, bool) [clone
   .isra.2] [clone .constprop.5] */

CVertInfo * __regparm3
AddDependency(CVertInfo *param_1,int param_2,CVertIndex *param_3,CVertIndex *param_4,int param_5,
             bool param_6,bool param_7)

{
  int iVar1;
  short sVar2;
  short sVar3;
  CVertInfo *pCVar4;
  CVertInfo *pCVar5;
  int iVar6;
  CVertInfo *pCVar7;
  uint uVar8;
  int iVar9;
  short sVar10;
  int iVar11;
  char local_28;
  
  iVar11 = 1 << ((byte)param_4 & 0x1f);
  iVar1 = iVar11 + 1;
  pCVar5 = param_1 + ((int)*(short *)param_2 + *(short *)(param_2 + 2) * iVar1) * 0x2a;
  if (*(short *)pCVar5 == -1) {
    uVar8 = 0;
  }
  else {
    uVar8 = (uint)(*(short *)(pCVar5 + 6) == -1);
  }
  *(undefined4 *)(pCVar5 + uVar8 * 6) = *(undefined4 *)param_3;
  *(undefined2 *)(pCVar5 + uVar8 * 6 + 4) = 0xffff;
  iVar6 = (int)*(short *)param_3 + *(short *)(param_3 + 2) * iVar1;
  iVar9 = 0;
  pCVar7 = param_1 + iVar6 * 0x2a + 0xc;
  do {
    if (*(short *)pCVar7 == -1) goto LAB_000d39c8;
    iVar9 = iVar9 + 1;
    pCVar7 = pCVar7 + 6;
  } while (iVar9 != 4);
  iVar9 = 0;
LAB_000d39c8:
  local_28 = (char)param_5;
  pCVar7 = param_1 + iVar9 * 6 + iVar6 * 0x2a;
  *(undefined4 *)(pCVar7 + 0xc) = *(undefined4 *)param_2;
  *(undefined2 *)(pCVar7 + 0x10) = 0xffff;
  if (local_28 != '\0') {
    pCVar7 = (CVertInfo *)GetEdgeIndexFromPoint((CVertIndex *)param_2,(int)param_4);
    if (pCVar7 != (CVertInfo *)&DAT_ffffffff) {
      sVar10 = *(short *)(param_2 + 2) * 2 - *(short *)(param_3 + 2);
      sVar3 = (short)((uint)*(ushort *)param_2 * 2) - *(short *)param_3;
      pCVar4 = (CVertInfo *)CONCAT22((short)((uint)*(ushort *)param_2 * 2 >> 0x10),sVar3);
      sVar2 = (short)iVar11;
      if (sVar3 < 0) {
        pCVar4 = (CVertInfo *)(-(int)sVar3 / iVar1);
        sVar3 = sVar2 - (short)(-(int)sVar3 % iVar1);
      }
      else {
        iVar11 = (int)sVar3;
        if (iVar1 <= iVar11) {
          pCVar4 = (CVertInfo *)(iVar11 / iVar1);
          sVar3 = (short)(iVar11 % iVar1);
        }
      }
      if (sVar10 < 0) {
        pCVar4 = (CVertInfo *)(-(int)sVar10 / iVar1);
        sVar10 = sVar2 - (short)(-(int)sVar10 % iVar1);
      }
      else {
        iVar11 = (int)sVar10;
        if (iVar1 <= iVar11) {
          pCVar4 = (CVertInfo *)(iVar11 / iVar1);
          sVar10 = (short)(iVar11 % iVar1);
        }
      }
      *(short *)(pCVar5 + 6) = sVar3;
      *(short *)(pCVar5 + 8) = sVar10;
      *(short *)(pCVar5 + 10) = (short)pCVar7;
      return pCVar4;
    }
  }
  return pCVar7;
}