[Reversing] Pikachu Volleyball sub_402DC0

Pikachu_sub_402DC0.cpp

signed int __thiscall sub_402DC0(int this)
{
  int v1; // esi@1
  int v2; // edi@1
  int v3; // eax@1
  bool v4; // sf@1
  int v5; // eax@1
  int v6; // eax@2
  signed int v7; // ecx@6
  int v8; // eax@6
  signed int v9; // ebx@9
  __int64 v10; // qax@14
  int v11; // eax@17
  int v12; // ebp@19
  int v13; // ecx@20
  signed int result; // eax@20
  int v15; // edx@21

  v1 = this;
  v2 = *(_DWORD *)(this + 56);
  v3 = *(_DWORD *)(this + 56) / 2;
  v4 = *(_DWORD *)(this + 72) + v3 < 0;
  v5 = *(_DWORD *)(this + 72) + v3;
  *(_DWORD *)(this + 72) = v5;
  if ( v4 )
  {
    v6 = v5 + 50;
LABEL_5:
    *(_DWORD *)(this + 72) = v6;
    goto LABEL_6;
  }
  if ( v5 > 50 )
  {
    v6 = v5 - 50;
    goto LABEL_5;
  }
LABEL_6:
  v7 = *(_DWORD *)(this + 48);
  *(_DWORD *)(v1 + 68) = *(_DWORD *)(v1 + 72) / 10;
  v8 = v7 + v2 - 20;
  if ( v8 < 0 || v8 > 412 )
    *(_DWORD *)(v1 + 56) = -v2;
  v9 = *(_DWORD *)(v1 + 52);
  if ( v9 + *(_DWORD *)(v1 + 60) - 20 < -20 )
    *(_DWORD *)(v1 + 60) = 1;
  if ( abs(v7 - 216) <= 24 && v9 > 176 )
  {
    if ( v9 <= 192 )
    {
      v11 = *(_DWORD *)(v1 + 60);
      if ( v11 > 0 )
        *(_DWORD *)(v1 + 60) = -v11;
    }
    else
    {
      v10 = *(_DWORD *)(v1 + 56);
      if ( v7 >= 216 )
        *(_DWORD *)(v1 + 56) = (HIDWORD(v10) ^ v10) - HIDWORD(v10);
      else
        *(_DWORD *)(v1 + 56) = -((HIDWORD(v10) ^ v10) - HIDWORD(v10));
    }
  }
  v12 = *(_DWORD *)(v1 + 60);
  if ( v9 + v12 <= 252 )
  {
    v15 = v7 + *(_DWORD *)(v1 + 56);
    *(_DWORD *)(v1 + 52) = v9 + v12;
    result = 0;
    *(_DWORD *)(v1 + 48) = v15;
    *(_DWORD *)(v1 + 60) = v12 + 1;
  }
  else
  {
    sub_408470(100 * (v7 - 216));
    (*(void (__stdcall **)(_DWORD))(**(_DWORD **)(v1 + 40) + 16))(0);
    v13 = *(_DWORD *)(v1 + 48);
    *(_DWORD *)(v1 + 60) = -*(_DWORD *)(v1 + 60);
    *(_DWORD *)(v1 + 80) = v13;
    result = 1;
    *(_DWORD *)(v1 + 52) = 252;
    *(_DWORD *)(v1 + 76) = 20;
    *(_DWORD *)(v1 + 84) = 272;
  }
  return result;
}