#include "isleapp.h"
#include "define.h"

#include <dsound.h>

#include "legoanimationmanager.h"
#include "legobuildingmanager.h"
#include "legogamestate.h"
#include "legoinputmanager.h"
#include "legomodelpresenter.h"
#include "legoomni.h"
#include "legopartpresenter.h"
#include "legoroi.h"
#include "legovideomanager.h"
#include "legoworldpresenter.h"
#include "mxbackgroundaudiomanager.h"
#include "mxdirectdraw.h"
#include "mxdsaction.h"
#include "mxomnicreateflags.h"
#include "mxomnicreateparam.h"
#include "mxstreamer.h"
#include "mxticklemanager.h"
#include "mxtimer.h"
#include "mxtransitionmanager.h"

#include "res/resource.h"

// OFFSET: ISLE 0x401000
IsleApp::IsleApp()
{
  m_hdPath = NULL;
  m_cdPath = NULL;
  m_deviceId = NULL;
  m_savePath = NULL;
  m_fullScreen = 1;
  m_flipSurfaces = 0;
  m_backBuffersInVram = 1;
  m_using8bit = 0;
  m_using16bit = 1;
  m_unk24 = 0;
  m_drawCursor = 0;
  m_use3dSound = 1;
  m_useMusic = 1;
  m_useJoystick = 0;
  m_joystickIndex = 0;
  m_wideViewAngle = 1;
  m_islandQuality = 1;
  m_islandTexture = 1;
  m_gameStarted = 0;
  m_frameDelta = 10;
  m_windowActive = 1;

  m_videoParam = MxVideoParam(MxRect32(0, 0, 639, 479), NULL, 1, MxVideoParamFlags());
  m_videoParam.flags().Set16Bit(MxDirectDraw::GetPrimaryBitDepth() == 16);

  m_windowHandle = NULL;
  m_cursorArrow = NULL;
  m_cursorBusy = NULL;
  m_cursorNo = NULL;
  m_cursorCurrent = NULL;

  LegoOmni::CreateInstance();
}

// OFFSET: ISLE 0x4011a0
IsleApp::~IsleApp()
{
  if (LegoOmni::GetInstance()) {
    Close();
    MxOmni::DestroyInstance();
  }

  if (m_hdPath) {
    delete [] m_hdPath;
  }

  if (m_cdPath) {
    delete [] m_cdPath;
  }

  if (m_deviceId) {
    delete [] m_deviceId;
  }

  if (m_savePath) {
    delete [] m_savePath;
  }
}

// OFFSET: ISLE 0x401260
void IsleApp::Close()
{
  MxDSAction ds;
  ds.SetUnknown24(-2);

  if (Lego()) {
    GameState()->Save(0);
    if (InputManager()) {
      InputManager()->QueueEvent(KEYDOWN, 0, 0, 0, 0x20);
    }

    VideoManager()->Get3DManager()->GetLego3DView()->GetViewManager()->RemoveAll(NULL);

    Lego()->RemoveWorld(ds.GetAtomId(), ds.GetObjectId());
    Lego()->DeleteObject(ds);
    TransitionManager()->SetWaitIndicator(NULL);
    Lego()->StopTimer();

    MxLong lVar8;
    do {
      lVar8 = Streamer()->Close(NULL);
    } while (lVar8 == 0);

    while (Lego()) {
      if (Lego()->DoesEntityExist(ds)) {
        break;
      }

      Timer()->GetRealTime();
      TickleManager()->Tickle();
    }
  }
}

// OFFSET: ISLE 0x4013b0
BOOL IsleApp::SetupLegoOmni()
{
  BOOL result = FALSE;
  char mediaPath[256];
  GetProfileStringA("LEGO Island", "MediaPath", "", mediaPath, sizeof(mediaPath));

  BOOL failure = Lego()->Create(MxOmniCreateParam(mediaPath, (struct HWND__ *) m_windowHandle, m_videoParam, MxOmniCreateFlags())) == FAILURE;
  if (!failure) {
    VariableTable()->SetVariable("ACTOR_01", "");
    TickleManager()->SetClientTickleInterval(VideoManager(), 10);
    result = TRUE;
  }

  return result;
}

// OFFSET: ISLE 0x401560
void IsleApp::SetupVideoFlags(BOOL fullScreen, BOOL flipSurfaces, BOOL backBuffers,
                           BOOL using8bit, BOOL using16bit, BOOL param_6, BOOL param_7,
                           BOOL wideViewAngle, char *deviceId)
{
  m_videoParam.flags().SetFullScreen(fullScreen);
  m_videoParam.flags().SetFlipSurfaces(flipSurfaces);
  m_videoParam.flags().SetBackBuffers(!backBuffers);
  m_videoParam.flags().Set_f2bit0(!param_6);
  m_videoParam.flags().Set_f1bit7(param_7);
  m_videoParam.flags().SetWideViewAngle(wideViewAngle);
  m_videoParam.flags().Set_f2bit1(1);
  m_videoParam.SetDeviceName(deviceId);
  if (using8bit) {
    m_videoParam.flags().Set16Bit(0);
  }
  if (using16bit) {
    m_videoParam.flags().Set16Bit(1);
  }
}

BOOL FindExistingInstance(void);
BOOL StartDirectSound(void);

// OFFSET: ISLE 0x401610
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd)
{
  // Look for another instance, if we find one, bring it to the foreground instead
  if (!FindExistingInstance()) {
    return 0;
  }

  // Attempt to create DirectSound instance
  BOOL soundReady = FALSE;
  for (int i = 0; i < 20; i++) {
    if (StartDirectSound()) {
      soundReady = TRUE;
      break;
    }
    Sleep(500);
  }

  // Throw error if sound unavailable
  if (!soundReady) {
    MessageBoxA(NULL, "\"LEGO\xAE Island\" is not detecting a DirectSound compatible sound card.  Please quit all other applications and try again.",
      "Lego Island Error", MB_OK);
    return 0;
  }

  // Create global app instance
  g_isle = new IsleApp();

  // Create window
  if (g_isle->SetupWindow(hInstance, lpCmdLine) != SUCCESS) {
    MessageBoxA(NULL, "\"LEGO\xAE Island\" failed to start.  Please quit all other applications and try again.", "LEGO\xAE Island Error", MB_OK);
    return 0;
  }

  // Get reference to window
  HWND window;
  if (g_isle->m_windowHandle) {
    window = g_isle->m_windowHandle;
  }

  // Load accelerators (this call actually achieves nothing - there is no "AppAccel" resource in the original - but we'll keep this for authenticity)
  // This line may actually be here because it's in DFVIEW, an example project that ships with
  // MSVC420, and was such a clean example of a Win32 app, that it was later adapted
  // into an "ExeSkeleton" sample for MSVC600. It's quite possible Mindscape derived
  // this app from that example since they no longer had the luxury of the
  // MFC AppWizard which we know they used for the frontend used during development (ISLEMFC.EXE, MAIN.EXE, et al.)
  LoadAcceleratorsA(hInstance, "AppAccel");

  MSG msg;

  while (!g_closed) {
    while (!PeekMessageA(&msg, NULL, 0, 0, PM_NOREMOVE)) {
      if (g_isle) {
        g_isle->Tick(1);
      }
    }

    if (g_isle) {
      g_isle->Tick(0);
    }

    while (!g_closed) {
      if (!PeekMessageA(&msg, NULL, 0, 0, PM_REMOVE)) {
        break;
      }

      MSG nextMsg;
      if (!g_isle
          || !g_isle->m_windowHandle
          || msg.message != WM_MOUSEMOVE
          || !PeekMessageA(&nextMsg, NULL, 0, 0, PM_NOREMOVE)
          || nextMsg.message != WM_MOUSEMOVE) {
        TranslateMessage(&msg);
        DispatchMessageA(&msg);
      }

      if (g_reqEnableRMDevice) {
        g_reqEnableRMDevice = 0;
        VideoManager()->EnableRMDevice();
        g_rmDisabled = 0;
        Lego()->StopTimer();
      }

      if (g_closed) {
        break;
      }

      if (g_mousedown && g_mousemoved && g_isle) {
        g_isle->Tick(0);
      }

      if (g_mousemoved) {
        g_mousemoved = FALSE;
      }
    }
  }

  DestroyWindow(window);

  return msg.wParam;
}

// OFFSET: ISLE 0x401ca0
BOOL FindExistingInstance(void)
{
  HWND hWnd = FindWindowA(WNDCLASS_NAME, WINDOW_TITLE);
  if (hWnd) {
    if (SetForegroundWindow(hWnd)) {
      ShowWindow(hWnd, SW_RESTORE);
    }
    return 0;
  }
  return 1;
}

// OFFSET: ISLE 0x401ce0
BOOL StartDirectSound(void)
{
  LPDIRECTSOUND lpDS = NULL;
  HRESULT ret = DirectSoundCreate(NULL, &lpDS, NULL);
  if (ret == DS_OK && lpDS != NULL) {
    lpDS->Release();
    return TRUE;
  }

  return FALSE;
}

// OFFSET: ISLE 0x401d20
LRESULT WINAPI WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
  NotificationId type;
  unsigned char keyCode = 0;

  if (!g_isle) {
    return DefWindowProcA(hWnd, uMsg, wParam, lParam);
  }

  switch (uMsg) {
  case WM_PAINT:
    return DefWindowProcA(hWnd, uMsg, wParam, lParam);
  case WM_ACTIVATE:
    return DefWindowProcA(hWnd, uMsg, wParam, lParam);
  case WM_ACTIVATEAPP:
    if (g_isle) {
      if ((wParam != 0) && (g_isle->m_fullScreen)) {
        MoveWindow(hWnd, g_windowRect.left, g_windowRect.top,
                   (g_windowRect.right - g_windowRect.left) + 1,
                   (g_windowRect.bottom - g_windowRect.top) + 1, TRUE);
      }
      g_isle->m_windowActive = wParam;
    }
    return DefWindowProcA(hWnd,uMsg,wParam,lParam);
  case WM_CLOSE:
    if (!g_closed && g_isle) {
      if (g_isle) {
        delete g_isle;
      }
      g_isle = NULL;
      g_closed = TRUE;
      return 0;
    }
    return DefWindowProcA(hWnd,uMsg,wParam,lParam);
  case WM_GETMINMAXINFO:
    ((MINMAXINFO*) lParam)->ptMaxTrackSize.x = (g_windowRect.right - g_windowRect.left) + 1;
    ((MINMAXINFO*) lParam)->ptMaxTrackSize.y = (g_windowRect.bottom - g_windowRect.top) + 1;
    ((MINMAXINFO*) lParam)->ptMinTrackSize.x = (g_windowRect.right - g_windowRect.left) + 1;
    ((MINMAXINFO*) lParam)->ptMinTrackSize.y = (g_windowRect.bottom - g_windowRect.top) + 1;
    return 0;
  case WM_ENTERMENULOOP:
    return DefWindowProcA(hWnd,uMsg,wParam,lParam);
  case WM_SYSCOMMAND:
    if (wParam == SC_SCREENSAVE) {
      return 0;
    }
    if (wParam == SC_CLOSE && g_closed == 0) {
      if (g_isle) {
        if (g_rmDisabled) {
          ShowWindow(g_isle->m_windowHandle, SW_RESTORE);
        }
        PostMessageA(g_isle->m_windowHandle, WM_CLOSE, 0, 0);
        return 0;
      }
    } else if (g_isle && g_isle->m_fullScreen && (wParam == SC_MOVE || wParam == SC_KEYMENU)) {
      return 0;
    }
    return DefWindowProcA(hWnd,uMsg,wParam,lParam);
  case WM_EXITMENULOOP:
    return DefWindowProcA(hWnd, uMsg, wParam, lParam);
  case WM_MOVING:
    if (g_isle && g_isle->m_fullScreen) {
      GetWindowRect(hWnd, (LPRECT) lParam);
      return 0;
    }
    return DefWindowProcA(hWnd, uMsg, wParam, lParam);
  case WM_NCPAINT:
    if (g_isle && g_isle->m_fullScreen) {
      return 0;
    }
    return DefWindowProcA(hWnd, uMsg, wParam, lParam);
  case WM_DISPLAYCHANGE:
    if (g_isle && VideoManager() && g_isle->m_fullScreen && VideoManager()->GetDirect3D() && VideoManager()->GetDirect3D()->GetDeviceModeFinder()) {
      int targetWidth = LOWORD(lParam);
      int targetHeight = HIWORD(lParam);
      int targetDepth = wParam;

      if (g_waitingForTargetDepth) {
        g_waitingForTargetDepth = 0;
        g_targetDepth = targetDepth;
      }
      else {
        BOOL valid = FALSE;
        if (targetWidth == g_targetWidth && targetHeight == g_targetHeight && g_targetDepth == targetDepth) {
          valid = TRUE;
        }

        if (g_rmDisabled) {
          if (valid) {
             g_reqEnableRMDevice = 1;
          }
        }
        else if (!valid) {
          g_rmDisabled = 1;
          Lego()->StartTimer();
          VideoManager()->DisableRMDevice();
        }
      }
    }
    return DefWindowProcA(hWnd, uMsg, wParam, lParam);
  case WM_SETCURSOR:
    if (g_isle) {
      HCURSOR hCursor = g_isle->m_cursorCurrent;
      if (hCursor == g_isle->m_cursorBusy || hCursor == g_isle->m_cursorNo || !hCursor) {
        SetCursor(hCursor);
        return 0;
      }
    }
    break;
  case WM_KEYDOWN:
    // While this probably should be (HIWORD(lParam) & KF_REPEAT), this seems
    // to be what the assembly is actually doing
    if (lParam & (KF_REPEAT << 16)) {
      return DefWindowProcA(hWnd, uMsg, wParam, lParam);
    }
    keyCode = wParam;
    type = KEYDOWN;
    break;
  case WM_MOUSEMOVE:
    g_mousemoved = 1;
    type = MOUSEMOVE;
    break;
  case WM_TIMER:
    type = TIMER;
    break;
  case WM_LBUTTONDOWN:
    g_mousedown = 1;
    type = MOUSEDOWN;
    break;
  case WM_LBUTTONUP:
    g_mousedown = 0;
    type = MOUSEUP;
    break;
  case 0x5400:
    if (g_isle) {
      g_isle->SetupCursor(wParam);
      return 0;
    }
    break;
  default:
    return DefWindowProcA(hWnd,uMsg,wParam,lParam);
  }

  if (g_isle) {
    if (InputManager()) {
      InputManager()->QueueEvent(type, wParam, LOWORD(lParam), HIWORD(lParam), keyCode);
    }
    if (g_isle && g_isle->m_drawCursor && type == MOUSEMOVE) {
      int x = LOWORD(lParam);
      int y = HIWORD(lParam);
      if (x >= 640) {
        x = 639;
      }
      if (y >= 480) {
        y = 479;
      }
      VideoManager()->MoveCursor(x,y);
    }
  }

  return 0;
}

// OFFSET: ISLE 0x4023e0
MxResult IsleApp::SetupWindow(HINSTANCE hInstance, LPSTR lpCmdLine)
{
  WNDCLASSA wndclass;
  ZeroMemory(&wndclass, sizeof(WNDCLASSA));

  LoadConfig();

  SetupVideoFlags(m_fullScreen, m_flipSurfaces, m_backBuffersInVram, m_using8bit,
                  m_using16bit, m_unk24, FALSE, m_wideViewAngle, m_deviceId);

  MxOmni::SetSound3D(m_use3dSound);

  srand(timeGetTime() / 1000);
  SystemParametersInfoA(SPI_SETMOUSETRAILS, 0, NULL, 0);

  ZeroMemory(&wndclass, sizeof(WNDCLASSA));

  wndclass.cbClsExtra = 0;
  wndclass.style = CS_HREDRAW | CS_VREDRAW;
  wndclass.lpfnWndProc = WndProc;
  wndclass.cbWndExtra = 0;
  wndclass.hIcon = LoadIconA(hInstance, MAKEINTRESOURCEA(APP_ICON));
  wndclass.hCursor = m_cursorArrow = m_cursorCurrent = LoadCursorA(hInstance, MAKEINTRESOURCEA(ISLE_ARROW));
  m_cursorBusy = LoadCursorA(hInstance, MAKEINTRESOURCEA(ISLE_BUSY));
  m_cursorNo = LoadCursorA(hInstance, MAKEINTRESOURCEA(ISLE_NO));
  wndclass.hInstance = hInstance;
  wndclass.hbrBackground = (HBRUSH) GetStockObject(BLACK_BRUSH);
  wndclass.lpszClassName = WNDCLASS_NAME;

  if (!RegisterClassA(&wndclass)) {
    return FAILURE;
  }

  if (m_fullScreen) {
    AdjustWindowRectEx(&g_windowRect, WS_CAPTION | WS_SYSMENU, 0, WS_EX_APPWINDOW);

    m_windowHandle = CreateWindowExA(
      WS_EX_APPWINDOW,
      WNDCLASS_NAME,
      WINDOW_TITLE,
      WS_CAPTION | WS_SYSMENU,
      g_windowRect.left,
      g_windowRect.top,
      g_windowRect.right - g_windowRect.left + 1,
      g_windowRect.bottom - g_windowRect.top + 1,
      NULL, NULL, hInstance, NULL
    );
  } else {
    AdjustWindowRectEx(&g_windowRect, WS_CAPTION | WS_SYSMENU, 0, WS_EX_APPWINDOW);

    m_windowHandle = CreateWindowExA(
      WS_EX_APPWINDOW,
      WNDCLASS_NAME,
      WINDOW_TITLE,
      WS_CAPTION | WS_SYSMENU | WS_MAXIMIZEBOX | WS_MINIMIZEBOX,
      CW_USEDEFAULT,
      CW_USEDEFAULT,
      g_windowRect.right - g_windowRect.left + 1,
      g_windowRect.bottom - g_windowRect.top + 1,
      NULL, NULL, hInstance, NULL
    );
  }

  if (!m_windowHandle) {
    return FAILURE;
  }

  if (m_fullScreen) {
    MoveWindow(m_windowHandle, g_windowRect.left, g_windowRect.top, (g_windowRect.right - g_windowRect.left) + 1, (g_windowRect.bottom - g_windowRect.top) + 1, TRUE);
  }

  ShowWindow(m_windowHandle, SW_SHOWNORMAL);
  UpdateWindow(m_windowHandle);
  if (!SetupLegoOmni()) {
    return FAILURE;
  }

  GameState()->SetSavePath(m_savePath);
  GameState()->SerializePlayersInfo(1);
  GameState()->SerializeScoreHistory(1);

  int iVar10;
  switch (m_islandQuality) {
    case 0:
      iVar10 = 1;
      break;
    case 1:
      iVar10 = 2;
      break;
    default:
      iVar10 = 100;
  }

  int uVar1 = (m_islandTexture == 0);
  LegoModelPresenter::configureLegoModelPresenter(uVar1);
  LegoPartPresenter::configureLegoPartPresenter(uVar1,iVar10);
  LegoWorldPresenter::configureLegoWorldPresenter(m_islandQuality);
  LegoBuildingManager::configureLegoBuildingManager(m_islandQuality);
  LegoROI::configureLegoROI(iVar10);
  LegoAnimationManager::configureLegoAnimationManager(m_islandQuality);
  if (LegoOmni::GetInstance()) {
    if (LegoOmni::GetInstance()->GetInputManager()) {
      LegoOmni::GetInstance()->GetInputManager()->m_useJoystick = m_useJoystick;
      LegoOmni::GetInstance()->GetInputManager()->m_joystickIndex = m_joystickIndex;
    }
  }
  if (m_fullScreen) {
    MoveWindow(m_windowHandle, g_windowRect.left, g_windowRect.top, (g_windowRect.right - g_windowRect.left) + 1, (g_windowRect.bottom - g_windowRect.top) + 1, TRUE);
  }
  ShowWindow(m_windowHandle, SW_SHOWNORMAL);
  UpdateWindow(m_windowHandle);

  return SUCCESS;
}

// OFFSET: ISLE 0x402740
BOOL IsleApp::ReadReg(LPCSTR name, LPSTR outValue, DWORD outSize)
{
  HKEY hKey;
  DWORD valueType;

  BOOL out = FALSE;
  DWORD size = outSize;
  if (RegOpenKeyExA(HKEY_LOCAL_MACHINE, "SOFTWARE\\Mindscape\\LEGO Island", 0, KEY_READ, &hKey) == ERROR_SUCCESS) {
    if (RegQueryValueExA(hKey, name, NULL, &valueType, (LPBYTE) outValue, &size) == ERROR_SUCCESS) {
      if (RegCloseKey(hKey) == ERROR_SUCCESS) {
        out = TRUE;
      }
    }
  }

  return out;
}

// OFFSET: ISLE 0x4027b0
int IsleApp::ReadRegBool(LPCSTR name, BOOL *out)
{
  char buffer[256];

  BOOL read = ReadReg(name, buffer, sizeof(buffer));
  if (read) {
    if (strcmp("YES", buffer) == 0) {
      *out = TRUE;
      return read;
    }

    if (strcmp("NO", buffer) == 0) {
      *out = FALSE;
      return read;
    }

    read = FALSE;
  }
  return read;
}

// OFFSET: ISLE 0x402880
int IsleApp::ReadRegInt(LPCSTR name, int *out)
{
  char buffer[256];

  BOOL read = ReadReg(name, buffer, sizeof(buffer));
  if (read) {
    *out = atoi(buffer);
  }

  return read;
}

// OFFSET: ISLE 0x4028d0
void IsleApp::LoadConfig()
{
  char buffer[1024];

  if (!ReadReg("diskpath", buffer, sizeof(buffer))) {
    strcpy(buffer, MxOmni::GetHD());
  }

  m_hdPath = new char[strlen(buffer) + 1];
  strcpy(m_hdPath, buffer);
  MxOmni::SetHD(m_hdPath);

  if (!ReadReg("cdpath", buffer, sizeof(buffer))) {
    strcpy(buffer, MxOmni::GetCD());
  }

  m_cdPath = new char[strlen(buffer) + 1];
  strcpy(m_cdPath, buffer);
  MxOmni::SetCD(m_cdPath);

  ReadRegBool("Flip Surfaces", &m_flipSurfaces);
  ReadRegBool("Full Screen", &m_fullScreen);
  ReadRegBool("Wide View Angle", &m_wideViewAngle);
  ReadRegBool("3DSound", &m_use3dSound);
  ReadRegBool("Music", &m_useMusic);
  ReadRegBool("UseJoystick", &m_useJoystick);
  ReadRegInt("JoystickIndex", &m_joystickIndex);
  ReadRegBool("Draw Cursor", &m_drawCursor);

  int backBuffersInVRAM;
  if (ReadRegBool("Back Buffers in Video RAM",&backBuffersInVRAM)) {
    m_backBuffersInVram = !backBuffersInVRAM;
  }

  int bitDepth;
  if (ReadRegInt("Display Bit Depth", &bitDepth)) {
    if (bitDepth == 8) {
      m_using8bit = TRUE;
    } else if (bitDepth == 16) {
      m_using16bit = TRUE;
    }
  }

  if (!ReadReg("Island Quality", buffer, sizeof(buffer))) {
    strcpy(buffer, "1");
  }
  m_islandQuality = atoi(buffer);

  if (!ReadReg("Island Texture", buffer, sizeof(buffer))) {
    strcpy(buffer, "1");
  }
  m_islandTexture = atoi(buffer);

  if (ReadReg("3D Device ID", buffer, sizeof(buffer))) {
    m_deviceId = new char[strlen(buffer) + 1];
    strcpy(m_deviceId, buffer);
  }

  if (ReadReg("savepath", buffer, sizeof(buffer))) {
    m_savePath = new char[strlen(buffer) + 1];
    strcpy(m_savePath, buffer);
  }
}

// OFFSET: ISLE 0x402c20
inline void IsleApp::Tick(BOOL sleepIfNotNextFrame)
{
  if (!this->m_windowActive) {
    Sleep(0);
    return;
  }

  if (!Lego()) return;
  if (!TickleManager()) return;
  if (!Timer()) return;

  MxLong currentTime = Timer()->GetRealTime();
  if (currentTime < g_lastFrameTime) {
    g_lastFrameTime = -this->m_frameDelta;
  }

  if (this->m_frameDelta + g_lastFrameTime < currentTime) {
    if (!Lego()->vtable40()) {
      TickleManager()->Tickle();
    }
    g_lastFrameTime = currentTime;

    if (g_startupDelay == 0) {
      return;
    }

    g_startupDelay--;
    if (g_startupDelay != 0) {
      return;
    }

    LegoOmni::GetInstance()->CreateBackgroundAudio();
    BackgroundAudioManager()->Enable(this->m_useMusic);

    MxStreamController *stream = Streamer()->Open("\\lego\\scripts\\isle\\isle", 0);
    MxDSAction ds;

    if (!stream) {
      stream = Streamer()->Open("\\lego\\scripts\\nocd", 0);
      if (!stream) {
        return;
      }

      ds.SetAtomId(stream->GetAtom());
      ds.SetUnknown24(-1);
      ds.SetObjectId(0);
      VideoManager()->EnableFullScreenMovie(TRUE, TRUE);

      if (Start(&ds) != SUCCESS) {
        return;
      }
    } else {
      ds.SetAtomId(stream->GetAtom());
      ds.SetUnknown24(-1);
      ds.SetObjectId(0);
      if (Start(&ds) != SUCCESS) {
        return;
      }
      this->m_gameStarted = 1;
    }
    return;
  }

  if (sleepIfNotNextFrame != 0)
    Sleep(0);
}

// OFFSET: ISLE 0x402e80
void IsleApp::SetupCursor(WPARAM wParam)
{
  switch (wParam) {
  case 0:
    m_cursorCurrent = m_cursorArrow;
    break;
  case 1:
    m_cursorCurrent = m_cursorBusy;
    break;
  case 2:
    m_cursorCurrent = m_cursorNo;
    break;
  case 0xB:
    m_cursorCurrent = NULL;
  case 3:
  case 4:
  case 5:
  case 6:
  case 7:
  case 8:
  case 9:
  case 0xA:
    break;
  }

  SetCursor(m_cursorCurrent);
}