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[picodrive.git] / platform / uiq3 / Engine.h

/*******************************************************************\r
 *\r
 *	File:		Engine.h\r
 *\r
 *	Author:		Peter van Sebille (peter@yipton.net)\r
 *\r
 *  Modified/adapted for picodriveN by notaz, 2006\r
 *\r
 *  (c) Copyright 2006, notaz\r
 *	(c) Copyright 2002, Peter van Sebille\r
 *	All Rights Reserved\r
 *\r
 *******************************************************************/\r
\r
#ifndef __ENGINE_H\r
#define __ENGINE_H\r
\r
#include <e32base.h>\r
\r
class RReadStream;\r
class RWriteStream;\r
\r
\r
// engine states\r
enum TPicoGameState {\r
	PGS_Running = 1,\r
	PGS_Paused,\r
	PGS_Quit,\r
	PGS_KeyConfig,\r
	PGS_DebugHeap,\r
};\r
\r
enum TPicoServRqst {\r
	PicoMsgLoadState,\r
	PicoMsgSaveState,\r
	PicoMsgLoadROM,\r
	PicoMsgResume,\r
	PicoMsgReset,\r
	PicoMsgKeys,\r
	PicoMsgPause,\r
	PicoMsgQuit,\r
	PicoMsgConfigChange,\r
	PicoMsgSetAppView,\r
	kDefaultMessageSlots // this is how many messages we need :)\r
};\r
\r
enum TPicoGenErrors { // generic errors\r
	PicoErrNoErr = 0, // OK\r
	PicoErrRomOpenFailed,\r
	PicoErrOutOfMem,\r
	PicoErrNotRom,\r
	PicoErrNoRomsInArchive,\r
	PicoErrUncomp, // 5\r
	PicoErrOutOfMemSnd,\r
	PicoErrGenSnd, // 7 generic sound system error\r
	PicoErrEmuThread\r
};\r
\r
\r
// needed for creating server thread.\r
const TUint KPicoMaxHeapSize=0x00800000;\r
\r
// key config entry (touchpad areas)\r
struct TPicoAreaConfigEntry {\r
	TRect rect;\r
	//unsigned long actions;\r
};\r
\r
struct TPicoKeyConfigEntry\r
{\r
	unsigned short keyCode;\r
	unsigned char scanCode;\r
	unsigned char flags; // lsb->msb: key_down, pulse_only, ?, ?,  ?, ?, not_configurable, disabled\r
	TInt32 handle1; // for CancelCaptureKeyUpAndDowns()\r
	TInt32 handle2; // for CancelCaptureKey()\r
	char *name;\r
};\r
\r
\r
// configuration data\r
class TPicoConfig\r
{\r
public:\r
	void SetDefaults();\r
	void InternalizeL(RReadStream &aStream);\r
	void ExternalizeL(RWriteStream &aStream) const;\r
\r
	enum TPicoScreenRotation {\r
		PRot0,\r
		PRot90,\r
		PRot180,\r
		PRot270\r
	};\r
	enum TPicoScreenMode {\r
		PMCenter,\r
		PMFit,\r
		PMFit2\r
	};\r
	enum TPicoFrameSkip {\r
		PFSkipAuto = -1,\r
		PFSkip0\r
	};\r
\r
public:\r
	TFileName			iLastROMFile;\r
\r
	TInt32				iScreenRotation;\r
	TInt32				iScreenMode;\r
	TUint32				iFlags;   // LSb->MSb: use_sram, show_fps, enable_sound, sound_rate(3bits), gzip_saves{=0x40}, dont_use_mot_vol\r
    // enable_ym2612&dac, enable_sn76496, enable_z80, stereo_sound;\r
    // alt_renderer, 6button_gamepad, accurate_timing\r
	TInt32				iPicoOpt;\r
	TInt32				iFrameskip;\r
	TUint32				iKeyBinds[256]; // a binding for every keycode\r
	TUint32				iAreaBinds[19];\r
	TInt32				PicoRegion;\r
};\r
\r
\r
class CThreadWatcher : public CActive\r
{\r
public:\r
	static CThreadWatcher* NewL(const TThreadId& aTid);\r
	~CThreadWatcher();\r
\r
	TThreadId			iTid; // thread id\r
\r
protected:\r
	CThreadWatcher(const TThreadId& aTid);\r
	void ConstructL();\r
\r
	virtual void RunL();\r
	virtual void DoCancel();\r
};\r
\r
\r
class CPicoGameSession\r
{\r
public:\r
	static TInt Do(const TPicoServRqst what, TAny *param=0);\r
	static void freeResources();\r
\r
	static TBool iEmuRunning;\r
	static TBuf<0x30> iRomInternalName;\r
\r
private:\r
	// services available\r
	static TInt StartEmuThread();\r
	static TInt ChangeRunState(TPicoGameState newstate, TPicoGameState newstate_next=(TPicoGameState)0);\r
	static TInt loadROM(TPtrC16 *pptr);\r
	static TInt changeConfig(TPicoConfig *aConfig);\r
\r
	static CThreadWatcher *iThreadWatcher;\r
};\r
\r
// global\r
int saveLoadGame(int load, int sram=0);\r
\r
#endif\r