#include <windows.h>

HINSTANCE ghInstance; // 48a064
gwindowHandle; // 48a0d4
uint32_t dw_46cadc;

Surface **sf1;

char mid_status[7]; // 0x46cb00
uint32_t windowCallbacks[100]; // 48a010

LRESULT CALLBACK windowProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
  eax = message;
  edx = wParam;
  ebx = 0;
  if (eax < 0x1c)
    goto L1; // 401a02
  if (eax <= 0x1c)
    goto L2; // 401a10
  if (eax == 0x3b9)
    goto L3; // 401b08
  goto L4; // 401b33
 L1:
  if (eax == WM_DESTROY)
    goto L5; // 041b24
  goto L4;
 L2:
  if (edx == 0)
    goto L6; // 401a9f
  if (dw_46cb0b == 0)
    goto L7; // 401a87
  if (sf1 == NULL)
    goto L8; // 401a31
  (*sf1)->_6c(*sf1);
 L8:
  if (mid_status[2] != 0) {
    mciSendStringA("resume vfw", 0, 0, 0);
  }
  if (mid_status[3] != 0) {
    mciSendStringA("resume mid", 0, 0, 0);
  }
  if (mid_status[4] != 0) {
    mciSendStringA("play cdtrack notify", 0, 0, gwindowHandle);
  }
 L7:
  SetFocus(hWnd);
  mid_status[1] = 1;
  return 0; // 401b6e
 L6:
  dw_46cb0b = 1;
  mid_status[1] = 0;
  if (mid_status[2] != 0) {
    mciSendStringA("pause vfw", 0,0,0);
  }
  if (mid_status[3] != 0) {
    mciSendStringA("pause mid", 0, 0, 0);
  }
  if (mid_status[4] != 0) {
    mciSendStringA("stop cdtrack", 0, 0, 0);
  }
  return 0;
 L3:
  if (edx != 1)
    return 0;
  if (mid_status[2] == 0)
    goto L15; // 401b1d
  fcn_0045174a();
  return 0;
 L15:
  sub_mciSendStringA_d2c();
  return 0;
 L5:
  sub_UnhookWindowsHookEx_815();
  PostQuitMessage(0);
  return 0;
 L4:
  ebx = dw_46cad8 << 2;
  if (dw_48a010[ebx] == 0)
    return DefWindowProcA(hWnd, message, wParam, lParam);
  edi = lParam;
  return (dw_48a010[ebx](hWnd, message, wParam, lParam));
}

int WINAPI WinMain(HINSTANCE hInstance,
                   HINSTANCE hPrevInstance,
                   LPSTR lpCmdLine,
                   int nCmdShow)
{
  ghInstance = hInstance;
  WNDCLASS wc = {
                 .style = 0,
                 .lpfnWndProc = windowProc,
                 .cbClsExtra = 0,
                 .cbWndExtra = 0,
                 .hInstance = hInstance,
                 .hIcon = LoadIconA(hInstance, "RICH4_ICON"), // esp+0x14
                 .hCursor = LoadCursorA(0, 0x7f00), // esp+0x18
                 .hbrBackground = GetStockObject(4), // esp + 0x1c
                 .lpszMenuName = NULL,
                 .lpszClassName = "Rich4"
  }; // @ esp

  if (RegisterClassA(&wc) == 0) {
    return -1;
  }
  int height = GetSystemMetrics(1);
  int width = GetSystemMetrics(0);
  gwindowHandle = CreateWindowExA(0, "Rich4", "Rich4", WS_POPUP, 0, 0, width, height, NULL, NULL, ghInstance, NULL);
  int ret = sub_MessageBoxA_5d6();
  if (ret == 0) {
    return 0;
  }
  ShowWindow(gwindowHandle, SW_SHOW);
  UpdateWindow(gwindowHandle);
  play_avi("START.AVI", &dw_46cadc, 1);
 case_401de8_0:
  w_4991b6 = 0;
  w_4991b8 = 0;
  dw_4990f0 = 0;
  b_46cafc = 0;
  ret = fcn_004029fd();
  // jump table: 401cc8 401d08 401d2b 401d18 401cbf
 L401cb3:
  switch (ret) {
  case 4:
    w_4991b6 = 1;
    // fallthrough
  case 0:
    if (fcn_00406de7((int)b_46cafc)==0)
      goto case_401de8_0;
    fcn_00401543();
    fcn_00407ad2();
    fcn_004190cf();
    fcn_004291d6();
    fcn_00415872();
    b_46cafc = 1;
    sub_PostMessageA_981(0);
    goto case_default_401d2b;
  case 1:
  switch_401cb8_case_1:
    fcn_004190cf();
    b_46cafc = 1;
    sub_PostMessageA_981(1);
    goto case_default_401d2b;
  case 3:
    sub_UnhookWindowsHookEx_815();
  L401d24:
    DestroyWindow(gwindowHandle);
  default:
  case_default_401d2b:
  loop:
    MSG msg;
/*
typedef struct tagMSG {
    HWND hwnd;
    UINT message;
    WPARAM wParam;
    LPARAM lParam;
    DWORD time;
    POINT pt;
} MSG;
*/
    while (PeekMessageA(&msg, NULL, 0, 0, PM_REMOVE)) {
      if (msg.message == WM_QUIT)
        return msg.wParam;
      TranslateMessage(&msg);
      DispatchMessage(&msg);
    }
    if (mid_status[1] == 0)
      goto loop;
    if (dw_475110 != 0)
      fcn_004192f7();
    if (b_46cafa != 0)
      fcn_0040d7c4();
    eax = dw_49910c * 0x34;
    if (b_498ea2[eax] == 0) {
      if (b_498ea0[eax] != 0x80) {
        dl = b_498ea0[eax] & 0x7f;
        b_498ea0[eax] = dl;
        sub_SetCursorPos_c55();
      }
    }
    if (b_46caf8 == 0)
      goto 401e03;
    mid_status[6] = 0;
    bl = b_46caf8;
    sub_KillTimer_228();
    fcn_004019d2();
    b_46caf8 = 0;
    eax = (int)bl - 1;
    switch (eax) {
    case 0:
      goto case_401de8_0;
    case 1:
      ebx = 0;
      fcn_004075c1();
      if (b_46caf9 == 0)
        goto L401cb3;
    default:
      if (b_46caf9 == 0)
        goto case_default_401d2b; // PeekMessageA ...
      fcn_00451b36();
      sub_UnhookWindowsHookEx_815();
      goto 401d24; // DestroyWindow(gwindowHandle) ...
    case 2:
      fcn_004075c1();
      goto case_401de8_0; // after play_avi ...
    case 3:
      if (process_checkpoint(0) == -1)
        goto case_401de8_0;
      goto switch_401cb8_case_1;
    }

}