Game.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program 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, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

/*
 * Copyright (C) 2006-2010 - Frictional Games
 *
 * This file is part of HPL1 Engine.
 */

#ifndef HPL_GAME_H
#define HPL_GAME_H

#include "hpl1/engine/system/SystemTypes.h"

namespace hpl {

class cUpdater;
class LowLevelGameSetup;
class LowLevelSystem;
class cLogicTimer;

class cSystem;
class cInput;
class cResources;
class cGraphics;
class cScene;
class cSound;
class cPhysics;
class cAI;
class cGui;

class cFPSCounter {
public:
    cFPSCounter(LowLevelSystem *apLowLevelSystem);

    void AddFrame();

    float mfFPS;
    float mfUpdateRate;

private:
    LowLevelSystem *mpLowLevelSystem;
    int mlFramecounter;
    float mfFrametimestart;
    float mfFrametime;
};

//---------------------------------------------------

class cSetupVarContainer {
public:
    cSetupVarContainer();

    void AddString(const tString &asName, const tString &asValue);

    void AddInt(const tString &asName, int alValue);
    void AddFloat(const tString &asName, float afValue);
    void AddBool(const tString &asName, bool abValue);

    const tString &GetString(const tString &asName);

    float GetFloat(const tString &asName, float afDefault);
    int GetInt(const tString &asName, int alDefault);
    bool GetBool(const tString &asName, bool abDefault);

private:
    Common::StableMap<tString, tString> m_mapVars;
    tString msBlank;
};

//---------------------------------------------------

class cGame {
public:
    cGame(LowLevelGameSetup *apGameSetup, cSetupVarContainer &aVars);
    cGame(LowLevelGameSetup *apGameSetup, int alWidth, int alHeight, int alBpp, bool abFullscreen,
          unsigned int alUpdateRate = 60, int alMultisampling = 0);
    ~cGame();

private:
    void GameInit(LowLevelGameSetup *apGameSetup, cSetupVarContainer &aVars);

public:
    void Run();
    void Exit();

    cScene *GetScene();
    cResources *GetResources();

    cUpdater *GetUpdater();

    cSystem *GetSystem();

    cInput *GetInput();

    cGraphics *GetGraphics();
    cSound *GetSound();
    cPhysics *GetPhysics();

    cAI *GetAI();

    cGui *GetGui();

    void ResetLogicTimer();
    void SetUpdatesPerSec(int alUpdatesPerSec);
    int GetUpdatesPerSec();
    float GetStepSize();

    cLogicTimer *GetLogicTimer() { return mpLogicTimer; }

    float GetFPS();

    void SetFPSUpdateRate(float afSec);
    float GetFPSUpdateRate();

    float GetFrameTime() { return mfFrameTime; }

    float GetUpdateTime() { return mfUpdateTime; }

    double GetGameTime() { return mfGameTime; }

    void SetLimitFPS(bool abX) { mbLimitFPS = abX; }
    bool GetLimitFPS() { return mbLimitFPS; }

private:
    bool mbGameIsDone;

    float mfFrameTime;

    float mfUpdateTime;

    double mfGameTime;

    LowLevelGameSetup *mpGameSetup;
    cUpdater *mpUpdater;
    cLogicTimer *mpLogicTimer;

    cFPSCounter *mpFPSCounter;

    bool mbLimitFPS;

    // Modules that Game connnect to:
    cResources *mpResources;
    cSystem *mpSystem;
    cInput *mpInput;
    cGraphics *mpGraphics;
    cScene *mpScene;
    cSound *mpSound;
    cPhysics *mpPhysics;
    cAI *mpAI;
    cGui *mpGui;
};

} // namespace hpl

#endif // HPL_GAME_H