149 lines
4.1 KiB
C++
149 lines
4.1 KiB
C++
/*
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* This file is part of the Colobot: Gold Edition source code
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* Copyright (C) 2001-2018, Daniel Roux, EPSITEC SA & TerranovaTeam
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* http://epsitec.ch; http://colobot.info; http://github.com/colobot
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see http://gnu.org/licenses
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*/
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/**
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* \file common/system/system.h
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* \brief System functions: time stamps, info dialogs, etc.
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*/
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#pragma once
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#include "common/config.h"
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#include <memory>
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#include <string>
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#include <vector>
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/**
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* \enum SystemDialogType
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* \brief Type of system dialog
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*/
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enum SystemDialogType
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{
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//! Information message
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SDT_INFO,
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//! Warning message
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SDT_WARNING,
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//! Error message
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SDT_ERROR,
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//! Yes/No question
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SDT_YES_NO,
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//! Ok/Cancel question
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SDT_OK_CANCEL
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};
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/**
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* \enum SystemDialogResult
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* \brief Result of system dialog
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*
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* Means which button was pressed.
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*/
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enum SystemDialogResult
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{
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SDR_OK,
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SDR_CANCEL,
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SDR_YES,
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SDR_NO
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};
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/**
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* \enum SystemTimeUnit
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* \brief Time unit
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*/
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enum SystemTimeUnit
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{
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//! seconds
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STU_SEC,
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//! milliseconds
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STU_MSEC,
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//! microseconds
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STU_USEC
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};
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/*
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* Forward declaration of time stamp struct
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* SystemTimeStamp should only be used in a pointer context.
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* The implementation details are hidden because of platform dependence.
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*/
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struct SystemTimeStamp;
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/**
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* \class CSystemUtils
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* \brief Platform-specific utils
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*
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* This class provides system-specific utilities like displaying user dialogs and
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* querying system timers for exact timestamps.
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*/
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class CSystemUtils
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{
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public:
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virtual ~CSystemUtils();
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//! Creates system utils for specific platform
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static std::unique_ptr<CSystemUtils> Create();
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//! Performs platform-specific initialization
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virtual void Init() = 0;
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//! Displays a system dialog
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virtual SystemDialogResult SystemDialog(SystemDialogType, const std::string &title, const std::string &message) = 0;
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//! Displays a fallback system dialog using console
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TEST_VIRTUAL SystemDialogResult ConsoleSystemDialog(SystemDialogType type, const std::string& title, const std::string& message);
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//! Creates a new time stamp object
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TEST_VIRTUAL SystemTimeStamp* CreateTimeStamp();
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//! Destroys a time stamp object
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TEST_VIRTUAL void DestroyTimeStamp(SystemTimeStamp *stamp);
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//! Copies the time stamp from \a src to \a dst
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TEST_VIRTUAL void CopyTimeStamp(SystemTimeStamp *dst, SystemTimeStamp *src);
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//! Returns a time stamp associated with current time
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virtual void GetCurrentTimeStamp(SystemTimeStamp *stamp) = 0;
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//! Returns a difference between two timestamps in given time unit
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/** The difference is \a after - \a before. */
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TEST_VIRTUAL float TimeStampDiff(SystemTimeStamp *before, SystemTimeStamp *after, SystemTimeUnit unit = STU_SEC);
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//! Returns the exact (in nanosecond units) difference between two timestamps
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/** The difference is \a after - \a before. */
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virtual long long TimeStampExactDiff(SystemTimeStamp *before, SystemTimeStamp *after) = 0;
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//! Returns the path where the executable binary is located
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virtual std::string GetBasePath();
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//! Returns the data path (containing textures, levels, helpfiles, etc)
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virtual std::string GetDataPath();
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//! Returns the translations path
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virtual std::string GetLangPath();
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//! Returns the save dir location
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virtual std::string GetSaveDir();
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//! Sleep for given amount of microseconds
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virtual void Usleep(int usecs) = 0;
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private:
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std::string m_basePath;
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std::vector<std::unique_ptr<SystemTimeStamp>> m_timeStamps;
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};
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