TesselateDisplacement_R<CEngineTesselateHelper>

/* void TesselateDisplacement_R<CEngineTesselateHelper>(CEngineTesselateHelper*, CVertIndex const&,
   int, int) */

void TesselateDisplacement_R<CEngineTesselateHelper>
               (CEngineTesselateHelper *param_1,CVertIndex *param_2,int param_3,int param_4)

{
  CVertIndex *pCVar1;
  undefined2 *puVar2;
  short sVar3;
  short sVar4;
  int iVar5;
  int iVar6;
  int iVar7;
  uint uVar8;
  short *psVar9;
  int iVar10;
  int local_44;
  int local_3c;
  int local_34;
  int local_30;
  uint local_2c [7];
  
  puVar2 = (undefined2 *)(param_3 * 0x1c + *(int *)(*(int *)(param_1 + 0x200) + 0x24c));
  local_44 = *(int *)(param_1 + 8);
  iVar5 = *(int *)(param_1 + 4);
  if (param_4 < *(int *)(iVar5 + 0x1c) + -1) {
    local_30 = param_3 + 1;
    iVar6 = *(int *)(iVar5 + 0x24);
    sVar3 = *(short *)param_2;
    iVar7 = *(short *)(param_2 + 2) * iVar6;
    iVar10 = 0;
    while( true ) {
      pCVar1 = (CVertIndex *)((iVar7 + sVar3) * 0x10 + *(int *)(iVar5 + 8) + iVar10 * 4);
      iVar5 = (int)*(short *)pCVar1 + *(short *)(pCVar1 + 2) * iVar6;
      uVar8 = 1 << ((byte)iVar5 & 0x1f) & *(uint *)(*(int *)param_1 + (iVar5 >> 5) * 4);
      local_2c[iVar10] = uVar8;
      if (uVar8 == 0) {
        iVar5 = local_30 * 0x1c + *(int *)(*(int *)(param_1 + 0x200) + 0x24c);
        *(undefined1 *)(iVar5 + 2) = 0;
        *(undefined1 *)(iVar5 + 3) = 0;
      }
      else {
        TesselateDisplacement_R<CEngineTesselateHelper>(param_1,pCVar1,local_30,param_4 + 1);
      }
      iVar5 = *(int *)(param_1 + 4);
      iVar10 = iVar10 + 1;
      local_30 = local_30 + *(int *)(iVar5 + 8 + (param_4 + 0xc) * 4);
      if (iVar10 == 4) break;
      iVar6 = *(int *)(iVar5 + 0x24);
    }
    if (local_44 != *(int *)(param_1 + 8)) {
      *(undefined1 *)((int)puVar2 + 3) = 1;
      local_44 = *(int *)(param_1 + 8);
      goto LAB_00136ae6;
    }
  }
  else {
    local_2c[3] = 0;
    local_2c[2] = 0;
    local_2c[1] = 0;
    local_2c[0] = 0;
  }
  *(undefined1 *)((int)puVar2 + 3) = 0;
LAB_00136ae6:
  if (0 < DAT_0033c118) {
    sVar3 = (short)(1 << (~(byte)param_4 + (char)*(undefined4 *)(*(int *)(param_1 + 4) + 0x1c) &
                         0x1f));
    local_30 = 0;
    local_3c = 0;
    local_34 = 0;
    do {
      psVar9 = (short *)(g_TWinding + local_30);
      if ((psVar9[2] == -1) || (local_2c[psVar9[2]] == 0)) {
        iVar5 = *(int *)(param_1 + 4);
        iVar6 = (int)(short)(*psVar9 * sVar3 + *(short *)param_2) +
                (int)(short)(psVar9[1] * sVar3 + *(short *)(param_2 + 2)) * *(int *)(iVar5 + 0x24);
        if ((*(uint *)(*(int *)param_1 + (iVar6 >> 5) * 4) & 1 << ((byte)iVar6 & 0x1f)) != 0) {
          *(short *)(param_1 + local_3c * 2 + 0xc) = (short)iVar6;
          if (local_3c == 1) {
            *(short *)(param_1 + 0x10) =
                 *(short *)(param_2 + 2) * (short)*(undefined4 *)(iVar5 + 0x24) + *(short *)param_2;
            sVar4 = (short)*(undefined4 *)(*(int *)(param_1 + 0x200) + 0x2c);
            *(short *)(*(int *)(param_1 + 0xd8) + *(int *)(param_1 + 0xf8) * 2) =
                 sVar4 + *(short *)(param_1 + 0xf4) + *(short *)(param_1 + 0xc);
            iVar5 = *(int *)(param_1 + 0xf8) + *(int *)(param_1 + 0xe4);
            *(int *)(param_1 + 0xf8) = iVar5;
            if (*(int *)(param_1 + 0xf0) < iVar5) {
              *(int *)(param_1 + 0xf0) = iVar5;
            }
            *(short *)(*(int *)(param_1 + 0xd8) + iVar5 * 2) =
                 sVar4 + *(short *)(param_1 + 0xf4) + *(short *)(param_1 + 0xe);
            iVar5 = *(int *)(param_1 + 0xf8) + *(int *)(param_1 + 0xe4);
            *(int *)(param_1 + 0xf8) = iVar5;
            if (*(int *)(param_1 + 0xf0) < iVar5) {
              *(int *)(param_1 + 0xf0) = iVar5;
            }
            *(short *)(*(int *)(param_1 + 0xd8) + iVar5 * 2) =
                 sVar4 + *(short *)(param_1 + 0xf4) + *(short *)(param_1 + 0x10);
            iVar5 = *(int *)(param_1 + 0xf8) + *(int *)(param_1 + 0xe4);
            *(int *)(param_1 + 0xf8) = iVar5;
            if (*(int *)(param_1 + 0xf0) < iVar5) {
              *(int *)(param_1 + 0xf0) = iVar5;
            }
            *(short *)(*(int *)(*(int *)(param_1 + 0x200) + 0xf4) + *(int *)(param_1 + 8) * 2) =
                 sVar4 + *(short *)(param_1 + 0xc);
            *(short *)(*(int *)(*(int *)(param_1 + 0x200) + 0xf4) + 2 + *(int *)(param_1 + 8) * 2) =
                 sVar4 + *(short *)(param_1 + 0xe);
            *(short *)(*(int *)(*(int *)(param_1 + 0x200) + 0xf4) + 4 + *(int *)(param_1 + 8) * 2) =
                 sVar4 + *(short *)(param_1 + 0x10);
            *(int *)(param_1 + 8) = *(int *)(param_1 + 8) + 3;
            *(undefined2 *)(param_1 + 0xc) = *(undefined2 *)(param_1 + 0xe);
          }
          else {
            local_3c = 1;
          }
        }
      }
      else {
        local_3c = 0;
      }
      local_34 = local_34 + 1;
      local_30 = local_30 + 6;
    } while (local_34 < DAT_0033c118);
  }
  *(char *)(puVar2 + 1) = (char)*(undefined4 *)(param_1 + 8) - (char)local_44;
  *puVar2 = (short)local_44;
  return;
}