CWingedEdgeList::IsOccludingActiveEdgeList

/* CWingedEdgeList::IsOccludingActiveEdgeList(CWingedEdgeList&, float) */

undefined4 __thiscall
CWingedEdgeList::IsOccludingActiveEdgeList
          (CWingedEdgeList *this,CWingedEdgeList *param_1,float param_2)

{
  int iVar1;
  CWingedEdgeList *pCVar2;
  CWingedEdgeList *pCVar3;
  float fVar4;
  float fVar5;
  float fVar6;
  float fVar7;
  float fVar8;
  float fVar9;
  float local_1c;
  float local_18;
  CWingedEdgeList *local_14;
  
  pCVar3 = *(CWingedEdgeList **)(param_1 + 0x2c);
  fVar4 = *(float *)(pCVar3 + 0x20);
  if (1.0 <= fVar4) {
    return 1;
  }
  while (fVar4 <= -1.0) {
    pCVar3 = *(CWingedEdgeList **)(pCVar3 + 0x2c);
    fVar4 = *(float *)(pCVar3 + 0x20);
  }
  if (pCVar3 != param_1 + 0x30) {
    if (*(CWingedEdgeList **)(pCVar3 + 0x28) != param_1) {
      fVar4 = -1.0;
      pCVar3 = *(CWingedEdgeList **)(pCVar3 + 0x28);
    }
    iVar1 = *(int *)(this + 0x2c);
    fVar5 = *(float *)(iVar1 + 0x20);
    while (fVar5 <= fVar4) {
      iVar1 = *(int *)(iVar1 + 0x2c);
      fVar5 = *(float *)(iVar1 + 0x20);
    }
    local_14 = this + 0x60;
    if (-1 < *(short *)(pCVar3 + 0x26)) {
      local_14 = (CWingedEdgeList *)(*(int *)(param_1 + 0x90) + *(short *)(pCVar3 + 0x26) * 0x14);
    }
    pCVar2 = this + 0x60;
    if (-1 < *(short *)(iVar1 + 0x24)) {
      pCVar2 = (CWingedEdgeList *)(*(int *)(this + 0x90) + *(short *)(iVar1 + 0x24) * 0x14);
    }
    local_1c = *(float *)(pCVar2 + 0xc);
    fVar8 = *(float *)pCVar2;
    fVar7 = *(float *)(local_14 + 0xc);
    fVar9 = *(float *)local_14;
    local_18 = *(float *)(pCVar2 + 4) * param_2;
    fVar6 = *(float *)(*(int *)(pCVar3 + 0x2c) + 0x20);
    local_14 = (CWingedEdgeList *)(*(float *)(local_14 + 4) * param_2);
    while( true ) {
      if ((fVar7 - fVar9 * fVar4) - (float)local_14 < (local_1c - fVar4 * fVar8) - local_18) {
        return 0;
      }
      if (fVar6 == 3.4028235e+38) break;
      if (fVar5 == 3.4028235e+38) {
        return 0;
      }
      if (fVar5 < fVar6) {
        iVar1 = *(int *)(iVar1 + 0x2c);
        pCVar2 = this + 0x60;
        if (-1 < *(short *)(iVar1 + 0x24)) {
          pCVar2 = (CWingedEdgeList *)(*(int *)(this + 0x90) + *(short *)(iVar1 + 0x24) * 0x14);
        }
        local_1c = *(float *)(pCVar2 + 0xc);
        local_18 = *(float *)(pCVar2 + 4) * param_2;
        fVar8 = *(float *)pCVar2;
        fVar4 = fVar5;
        fVar5 = *(float *)(iVar1 + 0x20);
      }
      else {
        pCVar3 = *(CWingedEdgeList **)(pCVar3 + 0x2c);
        if (*(short *)(pCVar3 + 0x26) < 0) {
          pCVar2 = this + 0x60;
          if (-1 < *(short *)(pCVar3 + 0x24)) {
            pCVar2 = (CWingedEdgeList *)
                     (*(int *)(param_1 + 0x90) + *(short *)(pCVar3 + 0x24) * 0x14);
          }
        }
        else {
          pCVar2 = (CWingedEdgeList *)(*(int *)(param_1 + 0x90) + *(short *)(pCVar3 + 0x26) * 0x14);
        }
        local_14 = (CWingedEdgeList *)(*(float *)(pCVar2 + 4) * param_2);
        fVar7 = *(float *)(pCVar2 + 0xc);
        fVar9 = *(float *)pCVar2;
        fVar4 = fVar6;
        fVar6 = *(float *)(*(int *)(pCVar3 + 0x2c) + 0x20);
      }
    }
    return 1;
  }
  return 1;
}