CEngineTrace::GetBrushInfo

/* WARNING: Globals starting with '_' overlap smaller symbols at the same address */
/* CEngineTrace::GetBrushInfo(int, CUtlVector<Vector4D, CUtlMemory<Vector4D, int> >*, int*) */

undefined4 __thiscall
CEngineTrace::GetBrushInfo(CEngineTrace *this,int param_1,CUtlVector *param_2,int *param_3)

{
  ushort uVar1;
  undefined4 *puVar2;
  undefined4 uVar3;
  uint *puVar4;
  uint uVar5;
  undefined4 *puVar6;
  int iVar7;
  int *apiStack_38 [2];
  CUtlVector<Vector4D,CUtlMemory<Vector4D,int>> *local_30;
  int *local_2c [3];
  uint local_20;
  
  uVar3 = 0;
  if ((-1 < param_1) && (param_1 < DAT_003943c0)) {
    if (DAT_003943c8 <= param_1) {
      Error("Cannot load corrupted map.\n");
    }
    apiStack_38[1] = (int *)(DAT_003943c4 + param_1 * 8);
    if (param_2 != (CUtlVector *)0x0) {
      *(undefined4 *)(param_2 + 0xc) = 0;
      if (*(ushort *)(apiStack_38[1] + 1) == 0xffff) {
        uVar1 = *(ushort *)((int)apiStack_38[1] + 6);
        if (DAT_00394378 <= (int)(uint)uVar1) {
          Error("Cannot load corrupted map.\n");
        }
        iVar7 = 0;
        puVar4 = (uint *)((uint)uVar1 * 0x30 + _DAT_00394374 + 0x10);
        do {
          local_2c[0] = (int *)0x0;
          local_2c[1] = (int *)0x0;
          local_2c[2] = (int *)0x0;
          if (iVar7 < 3) {
            *(undefined4 *)((Vector4D *)local_2c + iVar7 * 4) = 0x3f800000;
            local_20 = *puVar4;
          }
          else {
            apiStack_38[iVar7] = (int *)0xbf800000;
            local_20 = puVar4[-7] ^ 0x80000000;
          }
          iVar7 = iVar7 + 1;
          puVar4 = puVar4 + 1;
          local_30 = (CUtlVector<Vector4D,CUtlMemory<Vector4D,int>> *)param_2;
          CUtlVector<Vector4D,CUtlMemory<Vector4D,int>>::InsertBefore
                    ((CUtlVector<Vector4D,CUtlMemory<Vector4D,int>> *)param_2,
                     *(int *)(param_2 + 0xc),(Vector4D *)local_2c);
          param_2 = (CUtlVector *)local_30;
        } while (iVar7 != 6);
      }
      else {
        uVar5 = (uint)*(ushort *)((int)apiStack_38[1] + 6);
        if ((int)uVar5 < DAT_0039436c) {
          puVar6 = (undefined4 *)(DAT_00394368 + uVar5 * 8);
          local_30 = (CUtlVector<Vector4D,CUtlMemory<Vector4D,int>> *)
                     (puVar6 + (uint)*(ushort *)(apiStack_38[1] + 1) * 2);
        }
        else {
          Error("Cannot load corrupted map.\n");
          local_30 = (CUtlVector<Vector4D,CUtlMemory<Vector4D,int>> *)
                     (DAT_00394368 + uVar5 * 8 + (uint)*(ushort *)(apiStack_38[1] + 1) * 8);
          uVar1 = *(ushort *)((int)apiStack_38[1] + 6);
          if (DAT_0039436c <= (int)(uint)uVar1) {
            Error("Cannot load corrupted map.\n");
          }
          puVar6 = (undefined4 *)(DAT_00394368 + (uint)uVar1 * 8);
        }
        if (local_30 != (CUtlVector<Vector4D,CUtlMemory<Vector4D,int>> *)puVar6) {
          do {
            puVar2 = (undefined4 *)*puVar6;
            puVar6 = puVar6 + 2;
            local_20 = puVar2[3];
            local_2c[2] = (int *)puVar2[2];
            local_2c[1] = (int *)puVar2[1];
            local_2c[0] = (int *)*puVar2;
            CUtlVector<Vector4D,CUtlMemory<Vector4D,int>>::InsertBefore
                      ((CUtlVector<Vector4D,CUtlMemory<Vector4D,int>> *)param_2,
                       *(int *)(param_2 + 0xc),(Vector4D *)local_2c);
          } while (local_30 != (CUtlVector<Vector4D,CUtlMemory<Vector4D,int>> *)puVar6);
        }
      }
    }
    if (param_3 == (int *)0x0) {
      uVar3 = 1;
    }
    else {
      *param_3 = *apiStack_38[1];
      uVar3 = 1;
    }
  }
  return uVar3;
}