win32_main.cpp

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/*
 * This file is part of OpenTTD.
 * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
 * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
 */
 
#include "../../stdafx.h"
#include <windows.h>
#include <mmsystem.h>
#include "../../openttd.h"
#include "../../core/random_func.hpp"
#include "../../string_func.h"
#include "../../crashlog.h"
#include "../../debug.h"
 
#include "../../safeguards.h"
 
static auto ParseCommandLine(char *line)
{
  std::vector<char *> arguments;
  for (;;) {
    /* skip whitespace */
    while (*line == ' ' || *line == '\t') line++;
 
    /* end? */
    if (*line == '\0') break;
 
    /* special handling when quoted */
    if (*line == '"') {
      arguments.push_back(++line);
      while (*line != '"') {
        if (*line == '\0') return arguments;
        line++;
      }
    } else {
      arguments.push_back(line);
      while (*line != ' ' && *line != '\t') {
        if (*line == '\0') return arguments;
        line++;
      }
    }
    *line++ = '\0';
  };
 
  return arguments;
}
 
void CreateConsole();
 
int APIENTRY WinMain(HINSTANCE, HINSTANCE, LPSTR, int)
{
  /* Set system timer resolution to 1ms. */
  timeBeginPeriod(1);
 
  CrashLog::InitialiseCrashLog();
 
  /* Convert the command line to UTF-8. */
  std::string cmdline = FS2OTTD(GetCommandLine());
 
  /* Set the console codepage to UTF-8. */
  SetConsoleOutputCP(CP_UTF8);
 
#if defined(_DEBUG)
  CreateConsole();
#endif
 
  _set_error_mode(_OUT_TO_MSGBOX); // force assertion output to messagebox
 
  /* setup random seed to something quite random */
  SetRandomSeed(GetTickCount());
 
  auto arguments = ParseCommandLine(cmdline.data());
 
  /* Make sure our arguments contain only valid UTF-8 characters. */
  for (auto argument : arguments) StrMakeValidInPlace(argument);
 
  int ret = openttd_main(arguments);
 
  /* Restore system timer resolution. */
  timeEndPeriod(1);
 
  return ret;
}