/****************************************************************************
*                                                                           *
* Project64 - A Nintendo 64 emulator.                                      *
* http://www.pj64-emu.com/                                                  *
* Copyright (C) 2012 Project64. All rights reserved.                        *
*                                                                           *
* License:                                                                  *
* GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html                        *
*                                                                           *
****************************************************************************/
#pragma once

typedef std::list<SystemEvent>   EVENT_LIST;

typedef std::map<DWORD, DWORD> FUNC_CALLS;

class CPlugins;
class CRSP_Plugin;
class CRecompiler;

//#define TEST_SP_TRACKING  //track the SP to make sure all ops pick it up fine

class CN64System :
	public CMipsMemory_CallBack,
	public CTLB_CB,
	private CSystemEvents,
	protected CN64SystemSettings,
	public CGameSettings,
	protected CDebugSettings
{
public:
	CN64System(CPlugins * Plugins, bool SavesReadOnly);
	virtual ~CN64System(void);

	struct ThreadInfo {
		HANDLE * ThreadHandle;
		DWORD    ThreadID;
	};

	CProfiling m_Profile;
	CCheats    m_Cheats;
	bool  m_EndEmulation;
	SAVE_CHIP_TYPE m_SaveUsing;

	//Methods
	static bool RunFileImage(const char * FileLoc);
	static void CloseSystem(void);

	void   CloseCpu();
	void   ExternalEvent(SystemEvent action); //covers gui interacting and timers etc..
	stdstr ChooseFileToOpen(HWND hParent);
	void   DisplayRomInfo(HWND hParent);
	void   StartEmulation(bool NewThread);
	void   SyncToAudio();
	void   IncreaseSpeed() { m_Limitor.IncreaseSpeed(); }
	void   DecreaseSpeed() { m_Limitor.DecreaseSpeed(); }
	void   Reset(bool bInitReg, bool ClearMenory);
	void   GameReset();
	void   PluginReset();

	void   Pause();
	void   RunRSP();
	bool   SaveState();
	bool   LoadState(LPCSTR FileName);
	bool   LoadState();

	bool   DmaUsed() const { return m_DMAUsed; }
	void   SetDmaUsed(bool DMAUsed) { m_DMAUsed = DMAUsed; }
	void   SetCheatsSlectionChanged(bool changed) { m_CheatsSlectionChanged = changed; }
	bool   HasCheatsSlectionChanged(void) const { return m_CheatsSlectionChanged; }
	DWORD  GetButtons(int Control) const { return m_Buttons[Control]; }

	//Variable used to track that the SP is being handled and stays the same as the real SP in sync core
#ifdef TEST_SP_TRACKING
	DWORD m_CurrentSP;
#endif
	//For Sync CPU
	void   UpdateSyncCPU(CN64System * const SecondCPU, DWORD const Cycles);
	void   SyncCPU(CN64System * const SecondCPU);
	void   SyncCPUPC(CN64System * const SecondCPU);
	void   SyncSystem();
	void   SyncSystemPC();
private:
	//Make sure plugins can directly access this information
	friend CGfxPlugin;
	friend CAudioPlugin;
	friend CRSP_Plugin;
	friend CControl_Plugin;

	//Recompiler has access to manipulate and call functions
	friend CSystemTimer;

	//Used for loading and potentially executing the CPU in its own thread.
	static void StartEmulationThread(ThreadInfo * Info);
	static bool EmulationStarting(HANDLE hThread, DWORD ThreadId);

	void   ExecuteCPU();
	void   RefreshScreen();
	void   DumpSyncErrors(CN64System * SecondCPU);
	void   StartEmulation2(bool NewThread);
	bool   SetActiveSystem(bool bActive = true);
	void   InitRegisters(bool bPostPif, CMipsMemory & MMU);
	void    DisplayRSPListCount();

	//CPU Methods
	void   ExecuteRecompiler();
	void   ExecuteInterpret();
	void   ExecuteSyncCPU();

	//Mark information saying that the CPU has stopped
	void   CpuStopped();

	//Function in CMipsMemory_CallBack
	virtual bool WriteToProtectedMemory(uint32_t Address, int length);

	//Functions in CTLB_CB
	void TLB_Mapped(uint32_t VAddr, uint32_t Len, uint32_t PAddr, bool bReadOnly);
	void TLB_Unmaped(uint32_t VAddr, uint32_t Len);
	void TLB_Changed();

	CPlugins      * const m_Plugins;  //The plugin container
	CN64System    * m_SyncCPU;
	CPlugins      * m_SyncPlugins;
	CMainGui      * m_SyncWindow;
	CMipsMemoryVM   m_MMU_VM;   //Memory of the n64
	CTLB            m_TLB;
	CRegisters      m_Reg;
	CFramePerSecond m_FPS;
	CProfiling      m_CPU_Usage; //used to track the cpu usage
	CRecompiler   * m_Recomp;
	CAudio          m_Audio;
	CSpeedLimitor   m_Limitor;
	bool            m_InReset;
	int             m_NextTimer;
	CSystemTimer    m_SystemTimer;
	bool            m_bCleanFrameBox;
	bool            m_bInitialized;
	bool            m_RspBroke;
	bool            m_DMAUsed;
	DWORD           m_Buttons[4];
	bool            m_TestTimer;
	DWORD           m_NextInstruction;
	DWORD           m_JumpToLocation;
	uint32_t        m_TLBLoadAddress;
	uint32_t        m_TLBStoreAddress;
	DWORD           m_SyncCount;
	bool            m_CheatsSlectionChanged;

	//When Syncing cores this is the PC where it last Sync'ed correctly
	DWORD m_LastSuccessSyncPC[10];
	int   m_CyclesToSkip;

	//Handle to the cpu thread
	HANDLE m_CPU_Handle;
	DWORD  m_CPU_ThreadID;

	//Handle to pause mutex
	void * m_hPauseEvent;

	//No of Alist and Dlist sent to the RSP
	DWORD m_AlistCount, m_DlistCount, m_UnknownCount;

	//list of function that have been called .. used in profiling
	FUNC_CALLS m_FunctionCalls;
};