CEdgeList::ReduceActiveList

/* CEdgeList::ReduceActiveList(CWingedEdgeList&) */

void __thiscall CEdgeList::ReduceActiveList(CEdgeList *this,CWingedEdgeList *param_1)

{
  int *piVar1;
  undefined4 uVar2;
  float fVar3;
  CWingedEdgeList *pCVar4;
  int iVar5;
  undefined1 *puVar6;
  int iVar7;
  int iVar8;
  int iVar9;
  int in_GS_OFFSET;
  longdouble lVar10;
  float fVar11;
  float fStackY_160;
  int aiStack_14c [3];
  CWingedEdgeList *local_140;
  int local_13c;
  float local_138;
  int local_134;
  float local_130;
  int local_12c;
  int local_128 [2];
  undefined1 local_120 [256];
  int local_20;
  
  local_140 = param_1;
  local_20 = *(int *)(in_GS_OFFSET + 0x14);
  aiStack_14c[2] = *(int *)(this + 0x3c);
  puVar6 = &stack0xfffffea4;
  if (*(int *)(this + 0x3c) != 0) {
    iVar5 = *(int *)(this + 0xb0);
    iVar7 = 0;
    if (0 < iVar5) {
      do {
        iVar8 = iVar7 + 1;
        fStackY_160 = 2.651236e-39;
        CWingedEdgeList::AddSurface(local_140,(cplane_t *)(*(int *)(this + 0xa4) + iVar7 * 0x28));
        iVar7 = iVar8;
      } while (iVar8 != iVar5);
    }
    *(undefined4 *)(this + 0x134) = 0;
    *(undefined4 *)(this + 0x138) = 0;
    *(undefined4 *)(this + 0x11c) = 0;
    iVar5 = (aiStack_14c[2] * 8 + 0xfU & 0xfffffff0) + 0x10;
    iVar7 = iVar5 * -2;
    iVar5 = (int)&local_140 - iVar5;
    local_128[0] = iVar5;
    local_128[1] = (int)&local_140 + iVar7;
    fVar11 = *(float *)((uint)**(ushort **)(this + 0x30) * 0x30 + *(int *)this + 4);
    *(CEdgeList **)(this + 0x9c) = this + 0x44;
    *(CEdgeList **)(this + 0x70) = this + 0x74;
    if (fVar11 <= -1.0) {
      fVar11 = -1.0;
    }
    *(CEdgeList **)(this + 0x124) = this + 0x74;
    *(CEdgeList **)(this + 0xe8) = this + 0xf4;
    *(CEdgeList **)(this + 0x10c) = this + 0xcc;
    *(undefined4 *)(this + 0x128) = *(undefined4 *)(this + 0x94);
    *(undefined4 *)(this + 0x120) = 0x7f7fffff;
    *(float *)(&stack0xfffffea8 + iVar7) = fVar11;
    *(CEdgeList **)(&stack0xfffffea4 + iVar7) = this;
    local_130 = fVar11;
    *(undefined4 *)((int)&fStackY_160 + iVar7) = 0x1cdf5c;
    IntroduceNewActiveEdges
              (*(CEdgeList **)(&stack0xfffffea4 + iVar7),*(float *)(&stack0xfffffea8 + iVar7));
    local_12c = 0;
    local_134 = 0;
    iVar8 = (int)&local_140 + iVar7;
    do {
      iVar9 = iVar8;
      fVar11 = local_130;
      *(float *)(&stack0xfffffeac + iVar7) = local_130;
      *(undefined1 **)((int)aiStack_14c + iVar7) = local_120;
      *(int **)(&stack0xfffffeb0 + iVar7) = &local_12c;
      uVar2 = *(undefined4 *)(this + 0x120);
      *(CEdgeList **)(&stack0xfffffea4 + iVar7) = this;
      local_138 = fVar11;
      *(undefined4 *)(&stack0xfffffea8 + iVar7) = uVar2;
      *(undefined4 *)((int)&fStackY_160 + iVar7) = 0x1ce018;
      lVar10 = (longdouble)
               LocateEdgeCrossingDiscontinuity
                         (*(CEdgeList **)(&stack0xfffffea4 + iVar7),
                          *(float *)(&stack0xfffffea8 + iVar7),*(float *)(&stack0xfffffeac + iVar7),
                          *(int **)(&stack0xfffffeb0 + iVar7),
                          *(Edge_t ***)((int)aiStack_14c + iVar7));
      pCVar4 = local_140;
      fVar11 = (float)lVar10;
      local_130 = fVar11;
      *(int *)(this + 0x130) = iVar5;
      *(int *)(this + 300) = iVar9;
      *(undefined4 *)(this + 0x138) = *(undefined4 *)(this + 0x134);
      local_13c = 1 - local_134;
      *(undefined4 *)(this + 0x134) = 0;
      if (1.001 <= fVar11) {
        local_130 = 1.001;
      }
      *(float *)(&stack0xfffffeac + iVar7) = local_138;
      fVar3 = local_130;
      *(CEdgeList **)(&stack0xfffffea4 + iVar7) = this;
      *(float *)(&stack0xfffffeb0 + iVar7) = fVar3;
      *(CWingedEdgeList **)(&stack0xfffffea8 + iVar7) = pCVar4;
      *(undefined4 *)((int)&fStackY_160 + iVar7) = 0x1ce0a1;
      ReduceActiveEdgeList
                (*(CEdgeList **)(&stack0xfffffea4 + iVar7),
                 *(CWingedEdgeList **)(&stack0xfffffea8 + iVar7),
                 *(float *)(&stack0xfffffeac + iVar7),*(float *)(&stack0xfffffeb0 + iVar7));
      fVar3 = local_130;
      *(CEdgeList **)(&stack0xfffffea4 + iVar7) = this;
      *(float *)(&stack0xfffffea8 + iVar7) = fVar3;
      *(undefined4 *)((int)&fStackY_160 + iVar7) = 0x1ce0b7;
      AdvanceActiveEdgeList
                (*(CEdgeList **)(&stack0xfffffea4 + iVar7),*(float *)(&stack0xfffffea8 + iVar7));
      fVar3 = local_130;
      if (local_12c == 0) {
        *(CEdgeList **)(&stack0xfffffea4 + iVar7) = this;
        *(float *)(&stack0xfffffea8 + iVar7) = fVar3;
        *(undefined4 *)((int)&fStackY_160 + iVar7) = 0x1cdf9e;
        IntroduceNewActiveEdges
                  (*(CEdgeList **)(&stack0xfffffea4 + iVar7),*(float *)(&stack0xfffffea8 + iVar7));
        puVar6 = &stack0xfffffea4 + iVar7;
        if (*(float *)(this + 0x120) == 3.4028235e+38) break;
      }
      else {
        *(int *)(&stack0xfffffea8 + iVar7) = local_12c;
        *(undefined1 **)(&stack0xfffffeac + iVar7) = local_120;
        *(CEdgeList **)(&stack0xfffffea4 + iVar7) = this;
        *(undefined4 *)((int)&fStackY_160 + iVar7) = 0x1ce0db;
        ReorderActiveEdgeList
                  (*(CEdgeList **)(&stack0xfffffea4 + iVar7),*(int *)(&stack0xfffffea8 + iVar7),
                   *(Edge_t ***)(&stack0xfffffeac + iVar7));
        if ((*(int *)(this + 0x11c) < aiStack_14c[2]) &&
           (fVar3 = *(float *)((uint)*(ushort *)(*(int *)(this + 0x30) + *(int *)(this + 0x11c) * 2)
                               * 0x30 + *(int *)this + 4), fVar3 < *(float *)(this + 0x120))) {
          *(float *)(this + 0x120) = fVar3;
        }
      }
      puVar6 = &stack0xfffffea4 + iVar7;
      if (1.001 <= fVar11) break;
      piVar1 = local_128 + local_134;
      local_134 = local_13c;
      iVar8 = *piVar1;
      iVar5 = iVar9;
    } while( true );
  }
  if (local_20 == *(int *)(in_GS_OFFSET + 0x14)) {
    return;
  }
                    /* WARNING: Subroutine does not return */
  *(undefined **)(puVar6 + -4) = &UNK_001ce139;
  __stack_chk_fail();
}