TerrorNavArea::ComputeVisibility

/* TerrorNavArea::ComputeVisibility(TerrorNavArea const*, bool, bool, bool*) const */

byte __thiscall
TerrorNavArea::ComputeVisibility
          (TerrorNavArea *this,TerrorNavArea *param_1,bool param_2,bool param_3,bool *param_4)

{
  char cVar1;
  byte bVar2;
  byte bVar3;
  longdouble lVar4;
  float fVar5;
  float fVar6;
  float fVar7;
  float fVar8;
  float fVar9;
  float fVar10;
  float fVar11;
  float local_148;
  float local_124;
  float local_120;
  float local_11c;
  float local_118;
  float local_114;
  undefined4 local_110;
  float local_10c;
  float local_108;
  undefined4 local_104;
  float local_100;
  float local_fc;
  float local_f8;
  float local_f4;
  float local_f0;
  float local_ec;
  float local_e8;
  float local_e4;
  float local_e0;
  undefined **local_dc [4];
  float local_cc;
  float local_c8;
  float local_c4;
  float local_bc;
  float local_b8;
  float local_b4;
  float local_ac;
  float local_a8;
  float local_a4;
  float local_9c;
  float local_98;
  float local_94;
  undefined4 local_8c;
  undefined1 local_88;
  undefined1 local_87;
  float local_70;
  float local_6c;
  float local_68;
  float local_64;
  float local_60;
  float local_5c;
  float local_44;
  
  fVar5 = (*(float *)(param_1 + 0x34) - *(float *)(this + 0x34)) *
          (*(float *)(param_1 + 0x34) - *(float *)(this + 0x34)) +
          (*(float *)(param_1 + 0x30) - *(float *)(this + 0x30)) *
          (*(float *)(param_1 + 0x30) - *(float *)(this + 0x30)) +
          (*(float *)(param_1 + 0x2c) - *(float *)(this + 0x2c)) *
          (*(float *)(param_1 + 0x2c) - *(float *)(this + 0x2c));
  fVar10 = *(float *)(NavMaxViewDistance._28_4_ + 0x2c);
  if ((fVar10 <= 1e-05) || (bVar3 = 0, fVar5 <= fVar10 * fVar10)) {
    if (!param_2) {
      SetupPVS(this);
    }
    if (param_3) {
      local_60 = *(float *)(param_1 + 0x30);
      local_5c = *(float *)(param_1 + 0x34) + 53.25;
      local_64 = *(float *)(param_1 + 0x2c);
      fVar10 = *(float *)(param_1 + 8);
      fVar8 = *(float *)(param_1 + 4);
      fVar7 = *(float *)(param_1 + 0xc) + 53.25;
      fVar6 = fVar8;
      if ((local_64 <= fVar8) && (fVar6 = local_64, local_64 < fVar8)) {
        local_64 = fVar8;
      }
      fVar9 = fVar10;
      if ((local_60 <= fVar10) && (fVar9 = local_60, local_60 < fVar10)) {
        local_60 = fVar10;
      }
      local_68 = fVar7;
      if ((local_5c <= fVar7) && (local_68 = local_5c, local_5c < fVar7)) {
        local_5c = fVar7;
      }
      local_cc = *(float *)(param_1 + 0x10);
      fVar7 = *(float *)(param_1 + 0x24) + 53.25;
      local_70 = local_cc;
      if ((fVar6 <= local_cc) && (local_70 = fVar6, local_64 < local_cc)) {
        local_64 = local_cc;
      }
      local_6c = fVar10;
      if ((fVar9 <= fVar10) && (local_6c = fVar9, local_60 < fVar10)) {
        local_60 = fVar10;
      }
      fVar10 = fVar7;
      if ((local_68 <= fVar7) && (fVar10 = local_68, local_5c < fVar7)) {
        local_5c = fVar7;
      }
      local_68 = fVar10;
      fVar6 = *(float *)(param_1 + 0x28) + 53.25;
      local_c8 = *(float *)(param_1 + 0x14);
      fVar10 = fVar8;
      if ((local_70 <= fVar8) && (fVar10 = local_70, local_64 < fVar8)) {
        local_64 = fVar8;
      }
      local_70 = fVar10;
      fVar10 = local_c8;
      if ((local_6c <= local_c8) && (fVar10 = local_6c, local_60 < local_c8)) {
        local_60 = local_c8;
      }
      local_6c = fVar10;
      fVar10 = fVar6;
      if ((local_68 <= fVar6) && (fVar10 = local_68, local_5c < fVar6)) {
        local_5c = fVar6;
      }
      local_68 = fVar10;
      local_c4 = *(float *)(param_1 + 0x18) + 53.25;
      fVar10 = local_cc;
      if ((local_70 <= local_cc) && (fVar10 = local_70, local_64 < local_cc)) {
        local_64 = local_cc;
      }
      local_70 = fVar10;
      fVar10 = local_c8;
      if ((local_6c <= local_c8) && (fVar10 = local_6c, local_60 < local_c8)) {
        local_60 = local_c8;
      }
      local_6c = fVar10;
      fVar10 = local_c4;
      if ((local_68 <= local_c4) && (fVar10 = local_68, local_5c < local_c4)) {
        local_5c = local_c4;
      }
      local_68 = fVar10;
      cVar1 = (**(code **)(*engine + 0x3c))(engine,&local_70,&local_64,m_PVS,m_nPVSSize);
      if (cVar1 == '\0') {
        if (param_4 != (bool *)0x0) {
          *param_4 = true;
        }
        return 0;
      }
      if (param_4 != (bool *)0x0) {
        *param_4 = false;
      }
    }
    local_124 = *(float *)(this + 0x2c);
    fVar6 = *(float *)(this + 4) - local_124;
    local_120 = *(float *)(this + 0x30);
    fVar11 = *(float *)(this + 0xc) + 53.25;
    fVar7 = *(float *)(this + 8) - local_120;
    fVar10 = *(float *)(this + 0x18) + 53.25;
    fVar9 = *(float *)(this + 0x24) + 53.25;
    local_118 = *(float *)(param_1 + 4);
    fVar8 = fVar11;
    if (fVar10 <= fVar11) {
      fVar8 = fVar10;
    }
    if (fVar10 <= fVar11) {
      fVar10 = fVar11;
    }
    fVar11 = *(float *)(this + 0x28) + 53.25;
    local_114 = *(float *)(param_1 + 8);
    if (fVar9 <= fVar8) {
      fVar8 = fVar9;
    }
    local_11c = *(float *)(this + 0x34) + 53.25;
    if (fVar10 <= fVar9) {
      fVar10 = fVar9;
    }
    if (fVar11 <= fVar8) {
      fVar8 = fVar11;
    }
    local_110 = *(undefined4 *)(param_1 + 0xc);
    if (fVar10 <= fVar11) {
      fVar10 = fVar11;
    }
    fVar8 = fVar8 - local_11c;
    fVar9 = *(float *)(this + 0x10) - local_124;
    fVar11 = (fVar10 + 0.1) - local_11c;
    fVar10 = *(float *)(this + 0x14) - local_120;
    local_10c = *(float *)(param_1 + 0x10);
    local_108 = *(float *)(param_1 + 0x14);
    local_104 = *(undefined4 *)(param_1 + 0x18);
    CalcClosestPointOnAABB
              ((Vector *)&local_118,(Vector *)&local_10c,(Vector *)&local_124,(Vector *)&local_100);
    lVar4 = (longdouble)CNavArea::GetZ((CNavArea *)param_1,local_100,local_fc);
    local_f8 = (float)lVar4 + 53.25;
    CTraceFilterSimple::CTraceFilterSimple
              ((CTraceFilterSimple *)local_dc,(IHandleEntity *)0x0,0,
               (_func_bool_IHandleEntity_ptr_int *)0x0);
    local_dc[0] = &PTR_ShouldHitEntity_00c54558;
    local_8c = 0;
    local_bc = local_100 - local_124;
    local_b4 = local_f8 - local_11c;
    local_b8 = local_fc - local_120;
    local_87 = local_bc * local_bc + local_b4 * local_b4 + local_b8 * local_b8 != 0.0;
    local_9c = (fVar9 - fVar6) * 0.5;
    local_98 = (fVar10 - fVar7) * 0.5;
    local_94 = (fVar11 - fVar8) * 0.5;
    local_a4 = (fVar8 + fVar11) * 0.5;
    local_c4 = local_11c + local_a4;
    local_88 = local_98 * local_98 + local_9c * local_9c + local_94 * local_94 < 1e-06;
    local_a8 = (fVar7 + fVar10) * 0.5;
    local_ac = (fVar6 + fVar9) * 0.5;
    local_c8 = local_120 + local_a8;
    local_a8 = -local_a8;
    local_cc = local_124 + local_ac;
    local_ac = -local_ac;
    local_a4 = -local_a4;
    (**(code **)(*enginetrace + 0x14))
              (enginetrace,&local_cc,0x2006041,(CTraceFilterSimple *)local_dc,(Vector *)&local_70);
    if (*(int *)(r_visualizetraces._28_4_ + 0x30) != 0) {
      DebugDrawLine((Vector *)&local_70,(Vector *)&local_64,0xff,0xff,0,true,-1.0);
    }
    bVar3 = 2;
    if ((local_44 != 1.0) &&
       ((((local_64 <= local_118 || (local_10c <= local_64)) || (local_60 <= local_114)) ||
        (local_108 <= local_60)))) {
      local_cc = *(float *)(this + 0x2c);
      local_c8 = *(float *)(this + 0x30);
      local_c4 = *(float *)(this + 0x34) + 53.25;
      cVar1 = IsPartiallyVisible(param_1,(Vector *)&local_cc);
      local_f4 = *(float *)(this + 0x2c) - *(float *)(param_1 + 0x2c);
      bVar3 = ~-(cVar1 == '\0') & 3;
      local_f0 = *(float *)(this + 0x30) - *(float *)(param_1 + 0x30);
      local_ec = *(float *)(this + 0x34) - *(float *)(param_1 + 0x34);
      VectorNormalize((Vector *)&local_f4);
      fVar8 = *(float *)(this + 0x14);
      fVar10 = *(float *)(NavPotentiallyVisibleDotTolerance._28_4_ + 0x2c);
      if (25.0 <= fVar8 - *(float *)(this + 8)) {
        fVar6 = *(float *)(this + 0x10);
        local_148 = 12.5;
        local_e8 = *(float *)(this + 4);
LAB_00975464:
        if (25.0 <= fVar6 - local_e8) {
          if (bVar3 == 1) {
            return 1;
          }
          fVar8 = 12.5;
          do {
            local_e8 = local_e8 + fVar8;
            local_e4 = *(float *)(this + 8) + local_148;
            local_e0 = *(float *)(this + 0xc) + 53.25;
            lVar4 = (longdouble)CNavArea::GetZ((CNavArea *)this,local_e8,local_e4);
            local_e0 = (float)lVar4 + 53.25;
            if (fVar5 <= 1e+06) {
LAB_009755e7:
              cVar1 = IsPartiallyVisible(param_1,(Vector *)&local_e8);
              bVar2 = bVar3 & 0xfd;
              bVar3 = bVar3 | 1;
              if (cVar1 == '\0') {
                bVar3 = bVar2;
              }
            }
            else {
              local_cc = local_e8 - *(float *)(this + 0x2c);
              local_c4 = (-53.25 - *(float *)(this + 0x34)) + local_e0;
              local_c8 = local_e4 - *(float *)(this + 0x30);
              VectorNormalize((Vector *)&local_cc);
              if (local_f0 * local_c8 + local_f4 * local_cc + local_ec * local_c4 < fVar10)
              goto LAB_009755e7;
            }
            fVar6 = *(float *)(this + 0x10);
            local_e8 = *(float *)(this + 4);
            fVar8 = fVar8 + 25.0;
            if ((fVar6 - local_e8) - 12.5 < fVar8) goto code_r0x00975641;
            if (bVar3 == 1) {
              return 1;
            }
          } while( true );
        }
        goto LAB_00975646;
      }
    }
  }
  return bVar3;
code_r0x00975641:
  fVar8 = *(float *)(this + 0x14);
LAB_00975646:
  local_148 = local_148 + 25.0;
  if ((fVar8 - *(float *)(this + 8)) - 12.5 < local_148) {
    return bVar3;
  }
  goto LAB_00975464;
}