initial import

git-svn-id: file:///home/notaz/opt/svn/PicoDrive@2 be3aeb3a-fb24-0410-a615-afba39da0efa

platform/uiq3/Engine.h

@@ -0,0 +1,159 @@
+/*******************************************************************
+ *
+ *	File:		Engine.h
+ *
+ *	Author:		Peter van Sebille (peter@yipton.net)
+ *
+ *  Modified/adapted for picodriveN by notaz, 2006
+ *
+ *  (c) Copyright 2006, notaz
+ *	(c) Copyright 2002, Peter van Sebille
+ *	All Rights Reserved
+ *
+ *******************************************************************/
+
+#ifndef __ENGINE_H
+#define __ENGINE_H
+
+#include <e32base.h>
+
+class RReadStream;
+class RWriteStream;
+
+
+// engine states
+enum TPicoGameState {
+	PGS_Running = 1,
+	PGS_Paused,
+	PGS_Quit,
+	PGS_KeyConfig,
+	PGS_DebugHeap,
+};
+
+enum TPicoServRqst {
+	PicoMsgLoadState,
+	PicoMsgSaveState,
+	PicoMsgLoadROM,
+	PicoMsgResume,
+	PicoMsgReset,
+	PicoMsgKeys,
+	PicoMsgPause,
+	PicoMsgQuit,
+	PicoMsgConfigChange,
+	PicoMsgSetAppView,
+	kDefaultMessageSlots // this is how many messages we need :)
+};
+
+enum TPicoGenErrors { // generic errors
+	PicoErrNoErr = 0, // OK
+	PicoErrRomOpenFailed,
+	PicoErrOutOfMem,
+	PicoErrNotRom,
+	PicoErrNoRomsInArchive,
+	PicoErrUncomp, // 5
+	PicoErrOutOfMemSnd,
+	PicoErrGenSnd, // 7 generic sound system error
+	PicoErrEmuThread
+};
+
+
+// needed for creating server thread.
+const TUint KPicoMaxHeapSize=0x00800000;
+
+// key config entry (touchpad areas)
+struct TPicoAreaConfigEntry {
+	TRect rect;
+	//unsigned long actions;
+};
+
+struct TPicoKeyConfigEntry
+{
+	unsigned short keyCode;
+	unsigned char scanCode;
+	unsigned char flags; // lsb->msb: key_down, pulse_only, ?, ?,  ?, ?, not_configurable, disabled
+	TInt32 handle1; // for CancelCaptureKeyUpAndDowns()
+	TInt32 handle2; // for CancelCaptureKey()
+	char *name;
+};
+
+
+// configuration data
+class TPicoConfig
+{
+public:
+	void SetDefaults();
+	void InternalizeL(RReadStream &aStream);
+	void ExternalizeL(RWriteStream &aStream) const;
+
+	enum TPicoScreenRotation {
+		PRot0,
+		PRot90,
+		PRot180,
+		PRot270
+	};
+	enum TPicoScreenMode {
+		PMCenter,
+		PMFit,
+		PMFit2
+	};
+	enum TPicoFrameSkip {
+		PFSkipAuto = -1,
+		PFSkip0
+	};
+
+public:
+	TFileName			iLastROMFile;
+
+	TInt32				iScreenRotation;
+	TInt32				iScreenMode;
+	TUint32				iFlags;   // LSb->MSb: use_sram, show_fps, enable_sound, sound_rate(3bits), gzip_saves{=0x40}, dont_use_mot_vol
+    // enable_ym2612&dac, enable_sn76496, enable_z80, stereo_sound;
+    // alt_renderer, 6button_gamepad, accurate_timing
+	TInt32				iPicoOpt;
+	TInt32				iFrameskip;
+	TUint32				iKeyBinds[256]; // a binding for every keycode
+	TUint32				iAreaBinds[19];
+	TInt32				PicoRegion;
+};
+
+
+class CThreadWatcher : public CActive
+{
+public:
+	static CThreadWatcher* NewL(const TThreadId& aTid);
+	~CThreadWatcher();
+
+	TThreadId			iTid; // thread id
+
+protected:
+	CThreadWatcher(const TThreadId& aTid);
+	void ConstructL();
+
+	virtual void RunL();
+	virtual void DoCancel();
+};
+
+
+class CPicoGameSession
+{
+public:
+	static TInt Do(const TPicoServRqst what, TAny *param=0);
+	static void freeResources();
+
+	static TBool iEmuRunning;
+	static TBuf<0x30> iRomInternalName;
+
+private:
+	// services available
+	static TInt StartEmuThread();
+	static TInt ChangeRunState(TPicoGameState newstate, TPicoGameState newstate_next=(TPicoGameState)0);
+	static TInt loadROM(TPtrC16 *pptr);
+	static TInt changeConfig(TPicoConfig *aConfig);
+
+	static CThreadWatcher *iThreadWatcher;
+};
+
+// global
+int saveLoadGame(int load, int sram=0);
+
+#endif