CGE: This ends the first renaming pass. Also move some functions to CGEEngine

18 files changed, 375 insertions, 332 deletions

diff --git a/engines/cge/cge.cpp b/engines/cge/cge.cpp
index 0487441517..87c3964563 100644
--- a/engines/cge/cge.cpp
+++ b/engines/cge/cge.cpp
@@ -46,7 +46,12 @@ CGEEngine::CGEEngine(OSystem *syst, const ADGameDescription *gameDescription)
 	// Debug/console setup
 	DebugMan.addDebugChannel(kCGEDebug, "general", "CGE general debug channel");
 
-	_isDemo = _gameDescription->flags & ADGF_DEMO;
+	_isDemo      = _gameDescription->flags & ADGF_DEMO;
+	_startupMode = 1;
+	_demoText    = DEMO_TEXT;
+	_oldLev      = 0;
+	_jbw         = false;
+	_pocPtr      = 0;
 
 }
 
@@ -68,7 +73,7 @@ void CGEEngine::setup() {
 	_vga = new Vga(M13H);
 	_heart = new Heart;
 	_hero = new WALK(this, NULL);
-	_sys = new SYSTEM(this);
+	_sys = new System(this);
 	_pocLight = new Sprite(this, LI);
 	for (int i = 0; i < POCKET_NX; i++)
 		_pocket[i] = new Sprite(this, NULL);
@@ -103,6 +108,63 @@ void CGEEngine::setup() {
 	_keyboard = new Keyboard();
 	_eventManager = new EventManager();
 	_offUseCount = atoi(_text->getText(OFF_USE_COUNT));
+	_music = true;
+
+	for (int i = 0; i < POCKET_NX; i++)
+		_pocref[i] = -1;
+	_volume[0] = 0;
+	_volume[1] = 0;
+
+	_savTab[0].Ptr = &_now;
+	_savTab[0].Len = sizeof(_now);
+	_savTab[0].Flg = 1;
+	_savTab[1].Ptr = &_oldLev;
+	_savTab[1].Len = sizeof(_oldLev);
+	_savTab[1].Flg = 1;
+	_savTab[2].Ptr = &_demoText;
+	_savTab[2].Len = sizeof(_demoText);
+	_savTab[2].Flg = 1;
+	_savTab[3].Ptr = &_game;
+	_savTab[3].Len = sizeof(_game);
+	_savTab[3].Flg = 1;
+	_savTab[4].Ptr = &_game;
+	_savTab[4].Len = sizeof(_game);
+	_savTab[4].Flg = 1;
+	_savTab[5].Ptr = &_game;
+	_savTab[5].Len = sizeof(_game);
+	_savTab[5].Flg = 1;
+	_savTab[6].Ptr = &_game;
+	_savTab[6].Len = sizeof(_game);
+	_savTab[6].Flg = 1;
+	_savTab[7].Ptr = &_game;
+	_savTab[7].Len = sizeof(_game);
+	_savTab[7].Flg = 1;
+	_savTab[8].Ptr = &_vga->_mono;
+	_savTab[8].Len = sizeof(_vga->_mono);
+	_savTab[8].Flg = 0;
+	_savTab[9].Ptr = &_music;
+	_savTab[9].Len = sizeof(_music);
+	_savTab[9].Flg = 1;
+	_savTab[10].Ptr = _volume;
+	_savTab[10].Len = sizeof(_volume);
+	_savTab[10].Flg = 1;
+	_savTab[11].Ptr = _flag;
+	_savTab[11].Len = sizeof(_flag);
+	_savTab[11].Flg = 1;
+	_savTab[12].Ptr = _heroXY;
+//	_savTab[12].Len = sizeof(_heroXY); FIXME: illegal sizeof
+	_savTab[12].Len = 0;
+	_savTab[12].Flg = 1;
+	_savTab[13].Ptr = _barriers;
+//	_savTab[13].Len = sizeof(_barriers); FIXME: illegal sizeof
+	_savTab[13].Len = 0;
+	_savTab[13].Flg = 1;
+	_savTab[14].Ptr = _pocref;
+	_savTab[14].Len = sizeof(_pocref);
+	_savTab[14].Flg = 1;
+	_savTab[15].Ptr = NULL;
+	_savTab[15].Len = 0;
+	_savTab[15].Flg = 0;
 }
 
 CGEEngine::~CGEEngine() {
diff --git a/engines/cge/cge.h b/engines/cge/cge.h
index ba6326726a..04f395559f 100644
--- a/engines/cge/cge.h
+++ b/engines/cge/cge.h
@@ -36,12 +36,21 @@
 namespace CGE {
 
 class Console;
+class Sprite;
 
 // our engine debug channels
 enum {
     kCGEDebug = 1 << 0
 };
 
+#define POCKET_NX   8
+
+struct SavTab {
+	void *Ptr;
+	int Len;
+	uint8 Flg;
+};
+
 class CGEEngine : public Engine {
 private:
 	uint32 _lastFrame;
@@ -50,8 +59,17 @@ public:
 	CGEEngine(OSystem *syst, const ADGameDescription *gameDescription);
 	~CGEEngine();
 
-	const ADGameDescription *_gameDescription;
-	bool _isDemo;
+	const   ADGameDescription *_gameDescription;
+	bool   _isDemo;
+	int    _startupMode;
+	int    _demoText;
+	int    _oldLev;
+	bool   _jbw;
+	int    _pocPtr;
+	SavTab _savTab[16];
+	bool   _music;
+	int    _pocref[POCKET_NX];
+	uint8  _volume[2];
 
 	virtual Common::Error run();
 	GUI::Debugger *getDebugger() {
@@ -81,6 +99,7 @@ public:
 	void NONE();
 	void SB();
 	void caveDown();
+	void caveUp();
 	void xCave();
 	void qGame();
 	void SBM();
@@ -93,6 +112,11 @@ public:
 	void setIRQ();
 	void setDMA();
 	void mainLoop();
+	void SaveGame(XFile &file);
+	void switchMusic();
+	void selectPocket(int n);
+	void SNKeep(Sprite *spr, int stp);
+	void SNGive(Sprite *spr, int stp);
 
 private:
 	CGEConsole *_console;
diff --git a/engines/cge/cge_main.cpp b/engines/cge/cge_main.cpp
index 2caa9e0a98..6b02f82910 100644
--- a/engines/cge/cge_main.cpp
+++ b/engines/cge/cge_main.cpp
@@ -58,7 +58,7 @@ uint16  _stklen = (STACK_SIZ * 2);
 Vga *_vga;
 Heart *_heart;
 WALK *_hero;
-SYSTEM *_sys;
+System *_sys;
 Sprite *_pocLight;
 EventManager *_eventManager;
 Keyboard *_keyboard;
@@ -91,21 +91,14 @@ Snail *_snail_;
 //		    coditionals EVA for 2-month evaluation version
 
 static char _usrFnam[15] = "\0ɱ%^þúȼ´ ÇÉ";
-static int _oldLev      = 0;
-static int _demoText    = DEMO_TEXT;
 
 //--------------------------------------------------------------------------
 
-bool _jbw = false;
-
-//-------------------------------------------------------------------------
-int     _pocPtr      =  0;
-
-static  EMS      *_mini        = _miniEmm.alloc((uint16)MINI_EMM_SIZE);
+static  Ems      *_mini        = _miniEmm.alloc((uint16)MINI_EMM_SIZE);
 static  BMP_PTR  *_miniShpList = NULL;
 static  BMP_PTR   _miniShp[]   = { NULL, NULL };
 static  bool      _finis       = false;
-static  int       _startup    = 1;
+//static  int       _startup    = 1;
 int	_offUseCount;
 uint16 *_intStackPtr = false;
 
@@ -115,11 +108,11 @@ Bar _barriers[1 + CAVE_MAX] = { { 0xFF, 0xFF } };
 extern int findPocket(Sprite *);
 extern Dac _stdPal[58];
 
-void   feedSnail(Sprite *spr, SNLIST snq);         // defined in SNAIL
-uint8  Cluster::_map[MAP_ZCNT][MAP_XCNT];
+void  feedSnail(Sprite *spr, SNLIST snq);         // defined in SNAIL
+uint8 Cluster::_map[MAP_ZCNT][MAP_XCNT];
 
 
-uint8  &Cluster::cell() {
+uint8 &Cluster::cell() {
 	return _map[_b][_a];
 }
 
@@ -184,36 +177,6 @@ Cluster XZ(Couple xy) {
 	return XZ(x, y);
 }
 
-
-int    _pocref[POCKET_NX];
-uint8  _volume[2];
-
-struct SavTab {
-	void *Ptr;
-	int Len;
-	uint8 Flg;
-};
-
-SavTab _savTab[] = {
-	{ &_now,           sizeof(_now),          1 },
-	{ &_oldLev,        sizeof(_oldLev),       1 },
-	{ &_demoText,      sizeof(_demoText),     1 },
-	{ &_game,          sizeof(_game),         1 },
-	{ &_game,          sizeof(_game),         1 },      // spare 1
-	{ &_game,          sizeof(_game),         1 },      // spare 2
-	{ &_game,          sizeof(_game),         1 },      // spare 3
-	{ &_game,          sizeof(_game),         1 },      // spare 4
-//	{ &VGA::Mono,     sizeof(VGA::Mono),    0 },
-	{ &_music,         sizeof(_music),        1 },
-	{ _volume,         sizeof(_volume),       1 },
-	{ _flag,           sizeof(_flag),         1 },
-	{ _heroXY,         sizeof(_heroXY),       1 },
-	{ _barriers,       sizeof(_barriers),     1 },
-	{ _pocref,         sizeof(_pocref),       1 },
-	{ NULL,           0,                    0 }
-};
-
-
 void CGEEngine::loadGame(XFile &file, bool tiny = false) {
 	SavTab *st;
 	Sprite *spr;
@@ -270,7 +233,7 @@ static void SaveSound(void) {
 }
 
 
-static void SaveGame(XFile &file) {
+void CGEEngine::SaveGame(XFile &file) {
 	SavTab *st;
 	Sprite *spr;
 	int i;
@@ -366,7 +329,7 @@ void WALK::tick() {
 
 	if (Dir != NO_DIR) {
 		Sprite *spr;
-		_sys->FunTouch();
+		_sys->funTouch();
 		for (spr = _vga->_showQ->first(); spr; spr = spr->_next) {
 			if (distance(spr) < 2) {
 				if (!spr->_flags._near) {
@@ -554,7 +517,6 @@ void CGEEngine::setMapBrick(int x, int z) {
 
 static void SwitchColorMode(void);
 static void switchDebug();
-static void SwitchMusic(void);
 static void KillSprite(void);
 static void PushSprite(void);
 static void PullSprite(void);
@@ -605,22 +567,22 @@ static void miniStep(int stp) {
 	else {
 		&*_mini;
 		*_miniShp[0] = *_miniShpList[stp];
-		if (_fx.Current)
-			&*(_fx.Current->EAddr());
+		if (_fx._current)
+			&*(_fx._current->eAddr());
 
 		_miniCave->_flags._hide = false;
 	}
 }
 
 
-static void PostMiniStep(int stp) {
+static void postMiniStep(int stp) {
 	//static int recent = -2;
 	//TODO Change the SNPOST message send to a special way to send function pointer
 	//if (MiniCave && stp != recent) SNPOST_(SNEXEC, -1, recent = stp, (void *)&MiniStep);
 	warning("STUB: PostMiniStep()");
 }
 
-void SYSTEM::SetPal(void) {
+void System::setPal() {
 	uint i;
 	Dac *p = Vga::_sysPal + 256 - ArrayCount(_stdPal);
 	for (i = 0; i < ArrayCount(_stdPal); i++) {
@@ -631,10 +593,10 @@ void SYSTEM::SetPal(void) {
 }
 
 
-void SYSTEM::FunTouch(void) {
+void System::funTouch() {
 	uint16 n = (PAIN) ? HEROFUN1 : HEROFUN0;
-	if (_talk == NULL || n > FunDel)
-		FunDel = n;
+	if (_talk == NULL || n > _funDel)
+		_funDel = n;
 }
 
 
@@ -646,16 +608,16 @@ static void ShowBak(int ref) {
 		Bitmap::_pal = NULL;
 		spr->show(2);
 		_vga->copyPage(1, 2);
-		_sys->SetPal();
+		_sys->setPal();
 		spr->contract();
 	}
 }
 
 
-static void caveUp() {
+void CGEEngine::caveUp() {
 	int BakRef = 1000 * _now;
 	if (_music)
-		LoadMIDI(_now);
+		loadMidi(_now);
 
 	ShowBak(BakRef);
 	loadMapping();
@@ -673,10 +635,10 @@ static void caveUp() {
 		spr = n;
 	}
 	if (_sndDrvInfo._dDev) {
-		_sound.Stop();
-		_fx.Clear();
-		_fx.Preload(0);
-		_fx.Preload(BakRef);
+		_sound.stop();
+		_fx.clear();
+		_fx.preload(0);
+		_fx.preload(BakRef);
 	}
 
 	if (_hero) {
@@ -707,7 +669,7 @@ static void caveUp() {
 	_vga->show();
 	_vga->sunrise(Vga::_sysPal);
 	_dark = false;
-	if (!_startup)
+	if (!_startupMode)
 		_mouse->On();
 
 	_heart->_enable = true;
@@ -771,7 +733,7 @@ void CGEEngine::switchCave(int cav) {
 			_cavLight->gotoxy(CAVE_X + ((_now - 1) % CAVE_NX) * CAVE_DX + CAVE_SX,
 			              CAVE_Y + ((_now - 1) / CAVE_NX) * CAVE_DY + CAVE_SY);
 			killText();
-			if (!_startup)
+			if (!_startupMode)
 				KeyClick();
 			SNPOST(SNLABEL, -1, 0, NULL);  // wait for repaint
 			//TODO Change the SNPOST message send to a special way to send function pointer
@@ -781,22 +743,22 @@ void CGEEngine::switchCave(int cav) {
 	}
 }
 
-SYSTEM::SYSTEM(CGEEngine *vm) : Sprite(vm, NULL), _vm(vm) {
-	FunDel = HEROFUN0;
-	SetPal();
-	Tick();
+System::System(CGEEngine *vm) : Sprite(vm, NULL), _vm(vm) {
+	_funDel = HEROFUN0;
+	setPal();
+	tick();
 }
 
-void SYSTEM::touch(uint16 mask, int x, int y) {
+void System::touch(uint16 mask, int x, int y) {
 	static int pp = 0;
 
-	FunTouch();
+	funTouch();
 
 	if (mask & KEYB) {
 		int pp0;
 		KeyClick();
 		killText();
-		if (_startup == 1) {
+		if (_vm->_startupMode == 1) {
 			SNPOST(SNCLEAR, -1, 0, NULL);
 			return;
 		}
@@ -854,7 +816,7 @@ void SYSTEM::touch(uint16 mask, int x, int y) {
 			_hero->step(TSEQ + 3);
 			break;
 		case F9:
-			_sys->FunDel = 1;
+			_sys->_funDel = 1;
 			break;
 		case 'X':
 			if (_keyboard->_key[ALT])
@@ -891,13 +853,13 @@ void SYSTEM::touch(uint16 mask, int x, int y) {
 			break;
 		case 'W':
 			if (pp == 2)
-				_jbw = !_jbw;
+				_vm->_jbw = !_vm->_jbw;
 			break;
 		}
 		if (pp == pp0)
 			pp = 0;
 	} else {
-		if (_startup)
+		if (_vm->_startupMode)
 			return;
 		int cav = 0;
 		_infoLine->update(NULL);
@@ -915,12 +877,12 @@ void SYSTEM::touch(uint16 mask, int x, int y) {
 				if (y >= POCKET_Y && y < POCKET_Y + POCKET_NY * POCKET_DY &&
 				        x >= POCKET_X && x < POCKET_X + POCKET_NX * POCKET_DX) {
 					int n = ((y - POCKET_Y) / POCKET_DY) * POCKET_NX + (x - POCKET_X) / POCKET_DX;
-					selectPocket(n);
+					_vm->selectPocket(n);
 				}
 			}
 		}
 
-		PostMiniStep(cav - 1);
+		postMiniStep(cav - 1);
 
 		if (mask & L_UP) {
 			if (cav && _snail->idle() && _hero->_tracePtr < 0)
@@ -945,9 +907,9 @@ void SYSTEM::touch(uint16 mask, int x, int y) {
 }
 
 
-void SYSTEM::Tick(void) {
-	if (!_startup)
-		if (--FunDel == 0) {
+void System::tick() {
+	if (!_vm->_startupMode)
+		if (--_funDel == 0) {
 			killText();
 			if (_snail->idle()) {
 				if (PAIN)
@@ -968,7 +930,7 @@ void SYSTEM::Tick(void) {
 					}
 				}
 			}
-			FunTouch();
+			funTouch();
 		}
 	_time = SYSTIMERATE;
 }
@@ -1001,7 +963,7 @@ static void SwitchColorMode(void) {
 
 
 
-static void SwitchMusic(void) {
+void CGEEngine::switchMusic() {
 	if (_keyboard->_key[ALT]) {
 		if (Vmenu::_addr)
 			SNPOST_(SNKILL, -1, 0, Vmenu::_addr);
@@ -1020,9 +982,9 @@ static void SwitchMusic(void) {
 		}
 	}
 	if (_music)
-		LoadMIDI(_now);
+		loadMidi(_now);
 	else
-		KillMIDI();
+		killMidi();
 }
 
 
@@ -1203,7 +1165,7 @@ void CGEEngine::optionTouch(int opt, uint16 mask) {
 		break;
 	case 2 :
 		if (mask & L_UP)
-			SwitchMusic();
+			switchMusic();
 		else if (mask & R_UP)
 			if (!Mixer::_appear) {
 				Mixer::_appear = true;
@@ -1220,7 +1182,7 @@ void CGEEngine::optionTouch(int opt, uint16 mask) {
 
 #pragma argsused
 void Sprite::touch(uint16 mask, int x, int y) {
-	_sys->FunTouch();
+	_sys->funTouch();
 	if ((mask & ATTN) == 0) {
 		_infoLine->update(name());
 		if (mask & (R_DN | L_DN))
@@ -1236,14 +1198,14 @@ void Sprite::touch(uint16 mask, int x, int y) {
 				mask |= R_UP;
 			}
 		if ((mask & R_UP) && _snail->idle()) {
-			Sprite *ps = (_pocLight->_seqPtr) ? _pocket[_pocPtr] : NULL;
+			Sprite *ps = (_pocLight->_seqPtr) ? _pocket[_vm->_pocPtr] : NULL;
 			if (ps) {
 				if (_flags._kept || _hero->distance(this) < MAX_DISTANCE) {
 					if (works(ps)) {
 						feedSnail(ps, TAKE);
 					} else
 						offUse();
-					selectPocket(-1);
+					_vm->selectPocket(-1);
 				} else
 					tooFar();
 			} else {
@@ -1280,7 +1242,7 @@ void Sprite::touch(uint16 mask, int x, int y) {
 				int n;
 				for (n = 0; n < POCKET_NX; n++) {
 					if (_pocket[n] == this) {
-						selectPocket(n);
+						_vm->selectPocket(n);
 						break;
 					}
 				}
@@ -1614,7 +1576,7 @@ void CGEEngine::runGame() {
 		_sprite->step(_music);
 	SNPOST_(SNSEQ, -1, _music, _sprite);
 	if (!_music)
-		KillMIDI();
+		killMidi();
 
 	if (_mini && INI_FILE::exist("MINI.SPR")) {
 		uint8 *ptr = (uint8 *) &*_mini;
@@ -1626,7 +1588,7 @@ void CGEEngine::runGame() {
 				_miniCave->moveShapes(ptr);
 				_miniShp[0] = new Bitmap(*_miniCave->shp());
 				_miniShpList = _miniCave->setShapeList(_miniShp);
-				PostMiniStep(-1);
+				postMiniStep(-1);
 			}
 		}
 	}
@@ -1661,7 +1623,7 @@ void CGEEngine::runGame() {
 	if (_mouse->Busy)
 		ExpandSprite(_mouse->Busy);
 
-	_startup = 0;
+	_startupMode = 0;
 
 	SNPOST(SNLEVEL, -1, _oldLev, &_cavLight);
 	_cavLight->gotoxy(CAVE_X + ((_now - 1) % CAVE_NX) * CAVE_DX + CAVE_SX,
@@ -1761,7 +1723,7 @@ bool CGEEngine::showTitle(const char *name) {
 		_vga->copyPage(0, 2);
 		Startup::_soundOk = 2;
 		if (_music)
-			LoadMIDI(0);
+			loadMidi(0);
 	}
 
 	if (Startup::_mode < 2) {
@@ -1854,10 +1816,10 @@ void CGEEngine::cge_main(void) {
 	_horzLine->_flags._hide = true;
 
 	//srand((uint16) Timer());
-	_sys = new SYSTEM(this);
+	_sys = new System(this);
 
 	if (_music && Startup::_soundOk)
-		LoadMIDI(0);
+		loadMidi(0);
 	if (Startup::_mode < 2)
 		movie(LGO_EXT);
 
@@ -1865,7 +1827,7 @@ void CGEEngine::cge_main(void) {
 		if ((!_isDemo) && (Startup::_mode == 1))
 			movie("X02"); // intro
 		runGame();
-		_startup = 2;
+		_startupMode = 2;
 		if (FINIS)
 			movie("X03");
 	} else
diff --git a/engines/cge/cge_main.h b/engines/cge/cge_main.h
index c5be2adc26..e9c96931c3 100644
--- a/engines/cge/cge_main.h
+++ b/engines/cge/cge_main.h
@@ -113,17 +113,17 @@ namespace CGE {
 #define FINIS          (_flag[3])
 
 
-class SYSTEM : public Sprite {
-	int lum;
+class System : public Sprite {
+	int _lum;
 public:
-	int FunDel;
+	int _funDel;
 
-	SYSTEM(CGEEngine *vm);
+	System(CGEEngine *vm);
 
-	void SetPal();
-	void FunTouch();
+	void setPal();
+	void funTouch();
 	virtual void touch(uint16 mask, int x, int y);
-	void Tick();
+	void tick();
 private:
 	CGEEngine *_vm;
 };
@@ -159,7 +159,6 @@ private:
 
 };
 
-
 Cluster XZ(int x, int y);
 Cluster XZ(Couple xy);
 
@@ -169,7 +168,7 @@ void ContractSprite(Sprite *spr);
 extern WALK *_hero;
 extern Vga *_vga;
 extern Heart *_heart;
-extern SYSTEM *_sys;
+extern System *_sys;
 extern int _offUseCount;
 extern Sprite *_pocLight;
 extern Keyboard *_keyboard;
diff --git a/engines/cge/config.cpp b/engines/cge/config.cpp
index 8812207371..11f2088034 100644
--- a/engines/cge/config.cpp
+++ b/engines/cge/config.cpp
@@ -143,7 +143,7 @@ static Choice BlsterDMA[] = {
 
 void CGEEngine::selectSound() {
 	int i;
-	_sound.Close();
+	_sound.close();
 	if (Vmenu::_addr)
 		SNPOST_(SNKILL, -1, 0, Vmenu::_addr);
 	inf(_text->getText(STYPE_TEXT));
@@ -201,7 +201,7 @@ static void select(Choice *cho, int hlp) {
 void CGEEngine::NONE() {
 	_sndDrvInfo._dDev = DEV_QUIET;
 	_sndDrvInfo._mDev = DEV_QUIET;
-	_sound.Open();
+	_sound.open();
 }
 
 
@@ -249,7 +249,7 @@ void CGEEngine::AUTO() {
 	_sndDrvInfo._dDev = DEV_AUTO;
 	_sndDrvInfo._mDev = DEV_AUTO;
 	reset();
-	_sound.Open();
+	_sound.open();
 }
 
 
@@ -261,7 +261,7 @@ void CGEEngine::setPortD() {
 
 void CGEEngine::setPortM() {
 	_sndDrvInfo._mBase = xdeco(MIDIPorts[Vmenu::_recent]._text);
-	_sound.Open();
+	_sound.open();
 }
 
 
@@ -276,7 +276,7 @@ void CGEEngine::setDMA() {
 	if (_sndDrvInfo._mDev != _sndDrvInfo._dDev)
 		select(MIDIPorts, MPORT_TEXT);
 	else
-		_sound.Open();
+		_sound.open();
 }
 
 } // End of namespace CGE
diff --git a/engines/cge/ems.cpp b/engines/cge/ems.cpp
index 158857c002..ddb4861f03 100644
--- a/engines/cge/ems.cpp
+++ b/engines/cge/ems.cpp
@@ -41,10 +41,10 @@ enum EMM_FUN {
 };
 
 
-void *EMM::_frame = NULL;
+void *Emm::_frame = NULL;
 
 
-EMM::EMM(long size): _han(-1), _top(0), _lim(0), _list(NULL) {
+Emm::Emm(long size): _han(-1), _top(0), _lim(0), _list(NULL) {
 	/*
 	    if (Test())
 	    {
@@ -82,7 +82,7 @@ EMM::EMM(long size): _han(-1), _top(0), _lim(0), _list(NULL) {
 }
 
 
-EMM::~EMM(void) {
+Emm::~Emm(void) {
 	/* FIXME
 	  Release();
 	  if (Han >= 0)
@@ -97,7 +97,7 @@ EMM::~EMM(void) {
 }
 
 
-bool EMM::test() {
+bool Emm::test() {
 	/*
 	  static char e[] = "EMMXXXX0";
 
@@ -130,7 +130,7 @@ bool EMM::test() {
 }
 
 
-EMS *EMM::alloc(uint16 siz) {
+Ems *Emm::alloc(uint16 siz) {
 	/*
 	  long size = SIZ(siz),
 	       top = Top;
@@ -167,14 +167,14 @@ EMS *EMM::alloc(uint16 siz) {
 	    }
 	  fail: return NULL;
 	*/
-	warning("STUB: EMM::alloc");
+	warning("STUB: Emm::alloc");
 	return NULL;
 }
 
 
-void EMM::release() {
+void Emm::release() {
 	while (_list) {
-		EMS *e = _list;
+		Ems *e = _list;
 		_list = e->_next;
 		delete e;
 	}
@@ -182,11 +182,11 @@ void EMM::release() {
 }
 
 
-EMS::EMS(void) : _ptr(0), _size(0), _next(NULL) {
+Ems::Ems() : _ptr(0), _size(0), _next(NULL) {
 }
 
 
-void *EMS::operator & () const {
+void *Ems::operator & () const {
 	/*
 	  uint16 pgn = (uint16) (Ptr >> 14),
 	       off = (uint16) Ptr & PAGE_MASK,
@@ -213,12 +213,12 @@ void *EMS::operator & () const {
 
 	  return (void *) (EMM::Frame + (void *) off);
 	*/
-	warning("STUB: EMS::operator &");
+	warning("STUB: Ems::operator &");
 	return NULL;
 }
 
 
-uint16 EMS::size() {
+uint16 Ems::size() {
 	return _size;
 }
 
diff --git a/engines/cge/events.cpp b/engines/cge/events.cpp
index 5bafd46884..accd6fb4ab 100644
--- a/engines/cge/events.cpp
+++ b/engines/cge/events.cpp
@@ -95,7 +95,7 @@ Keyboard::~Keyboard() {
 }
 
 Sprite *Keyboard::setClient(Sprite *spr) {
-	Swap(_client, spr);
+	swap(_client, spr);
 	return spr;
 }
 
diff --git a/engines/cge/general.cpp b/engines/cge/general.cpp
index 6b0327ff23..3c0dc8a802 100644
--- a/engines/cge/general.cpp
+++ b/engines/cge/general.cpp
@@ -326,7 +326,7 @@ void sndMidiStop() {
 	// FIXME: STUB: sndMIDIStop
 }
 
-DATACK *LoadWave(XFile *file, EMM *emm) {
+DataCk *loadWave(XFile *file, Emm *emm) {
 	warning("STUB: LoadWave");
 	return NULL;
 }
@@ -394,9 +394,9 @@ Engine_::~Engine_() {
 	warning("STUB: Engine_::~Engine_");
 }
 
-DATACK::~DATACK () {
-  if (!e && Buf)
-	  free(Buf);
+DataCk::~DataCk() {
+  if (!_e && _buf)
+	  free(_buf);
 }
 } // End of namespace CGE
 
diff --git a/engines/cge/general.h b/engines/cge/general.h
index 63b94d3872..95660ad4df 100644
--- a/engines/cge/general.h
+++ b/engines/cge/general.h
@@ -109,41 +109,41 @@ public:
 };
 
 
-class EMS;
+class Ems;
 
 
-class EMM {
-	friend class EMS;
+class Emm {
+	friend class Ems;
 	bool test();
 
 	long _top;
 	long _lim;
-	EMS *_list;
+	Ems *_list;
 	int _han;
 	static void *_frame;
 public:
-	EMM(long size = 0);
-	~EMM();
-	EMS *alloc(uint16 siz);
+	Emm(long size = 0);
+	~Emm();
+	Ems *alloc(uint16 siz);
 	void release();
 };
 
 
-class EMS {
-	friend class EMM;
-	EMM *_emm;
+class Ems {
+	friend class Emm;
+	Emm *_emm;
 	long _ptr;
 	uint16 _size;
-	EMS *_next;
+	Ems *_next;
 public:
-	EMS();
+	Ems();
 	void *operator & () const;
 	uint16 size(void);
 };
 
 
 template <class T>
-void Swap(T &A, T &B) {
+void swap(T &A, T &B) {
 	T a = A;
 	A = B;
 	B = a;
diff --git a/engines/cge/snail.cpp b/engines/cge/snail.cpp
index edafd59111..4c1b8d4c2f 100644
--- a/engines/cge/snail.cpp
+++ b/engines/cge/snail.cpp
@@ -60,7 +60,6 @@ extern  Sprite *_pocLight;
 //	int      _pocPtr      =  0;
 //-------------------------------------------------------------------------
 extern  Sprite *_pocket[];
-extern  int     _pocPtr;
 
 static void SNGame(Sprite *spr, int num) {
 	switch (num) {
@@ -290,7 +289,7 @@ int findPocket(Sprite *spr) {
 }
 
 
-void selectPocket(int n) {
+void CGEEngine::selectPocket(int n) {
 	if (n < 0 || (_pocLight->_seqPtr && _pocPtr == n)) {
 		_pocLight->step(0);
 		n = findPocket(NULL);
@@ -591,10 +590,10 @@ void SNSwap(Sprite *spr, int xref) {
 		bool was1 = (was == 0 || was == _now);
 		bool xwas1 = (xwas == 0 || xwas == _now);
 
-		Swap(spr->_cave, xspr->_cave);
-		Swap(spr->_x, xspr->_x);
-		Swap(spr->_y, xspr->_y);
-		Swap(spr->_z, xspr->_z);
+		swap(spr->_cave, xspr->_cave);
+		swap(spr->_x, xspr->_x);
+		swap(spr->_y, xspr->_y);
+		swap(spr->_z, xspr->_z);
 		if (spr->_flags._kept) {
 			int n = findPocket(spr);
 			if (n >= 0)
@@ -762,14 +761,14 @@ void SNKill(Sprite *spr) {
 static void SNSound(Sprite *spr, int wav, int cnt) {
 	if (_sndDrvInfo._dDev) {
 		if (wav == -1)
-			_sound.Stop();
+			_sound.stop();
 		else
-			_sound.Play(_fx[wav], (spr) ? ((spr->_x + spr->_w / 2) / (SCR_WID / 16)) : 8, cnt);
+			_sound.play(_fx[wav], (spr) ? ((spr->_x + spr->_w / 2) / (SCR_WID / 16)) : 8, cnt);
 	}
 }
 
 
-void SNKeep(Sprite *spr, int stp) {
+void CGEEngine::SNKeep(Sprite *spr, int stp) {
 	selectPocket(-1);
 	if (spr && ! spr->_flags._kept && _pocket[_pocPtr] == NULL) {
 		SNSound(spr, 3, 1);
@@ -785,7 +784,7 @@ void SNKeep(Sprite *spr, int stp) {
 }
 
 
-void SNGive(Sprite *spr, int stp) {
+void CGEEngine::SNGive(Sprite *spr, int stp) {
 	if (spr) {
 		int p = findPocket(spr);
 		if (p >= 0) {
@@ -956,13 +955,13 @@ void Snail::runCom() {
 					if (sprel == _hero && sprel->seqTest(-1))
 						sprel->step(HTALK);
 					_text->say(_text->getText(snc->_val), sprel);
-					_sys->FunDel = HEROFUN0;
+					_sys->_funDel = HEROFUN0;
 				}
 				break;
 			case SNINF      :
 				if (_talkEnable) {
 					_vm->inf(_text->getText(snc->_val));
-					_sys->FunDel = HEROFUN0;
+					_sys->_funDel = HEROFUN0;
 				}
 				break;
 			case SNTIME     :
@@ -998,10 +997,10 @@ void Snail::runCom() {
 				SNUncover(sprel, (snc->_val >= 0) ? locate(snc->_val) : ((Sprite *) snc->_ptr));
 				break;
 			case SNKEEP     :
-				SNKeep(sprel, snc->_val);
+				_vm->SNKeep(sprel, snc->_val);
 				break;
 			case SNGIVE     :
-				SNGive(sprel, snc->_val);
+				_vm->SNGive(sprel, snc->_val);
 				break;
 			case SNGAME     :
 				SNGame(sprel, snc->_val);
diff --git a/engines/cge/snail.h b/engines/cge/snail.h
index 2e06149526..bd874a35b4 100644
--- a/engines/cge/snail.h
+++ b/engines/cge/snail.h
@@ -37,7 +37,6 @@ namespace CGE {
 #define POCKET_Y    176
 #define POCKET_DX   18
 #define POCKET_DY   22
-#define POCKET_NX   8
 #define POCKET_NY   1
 
 #define POCKET_SX   8
@@ -100,7 +99,6 @@ private:
 };
 
 
-void selectPocket(int n);
 void pocFul();
 
 
@@ -110,7 +108,6 @@ extern  bool _dark;
 extern  int _now;
 extern  int _lev;
 extern  int _maxCave;
-extern  int _pocPtr;
 extern  Bar _barriers[];
 extern  struct Hxy {
 	int _x;
diff --git a/engines/cge/sound.cpp b/engines/cge/sound.cpp
index aca4b4d534..a163949ddd 100644
--- a/engines/cge/sound.cpp
+++ b/engines/cge/sound.cpp
@@ -35,85 +35,84 @@
 
 namespace CGE {
 
-bool  _music  = true;
-FX    _fx     = 16;   // must precede SOUND!!
-SOUND _sound;
+Fx    _fx     = 16;   // must precede SOUND!!
+Sound _sound;
 
 
-SOUND::SOUND(void) {
+Sound::Sound() {
 	if (Startup::_soundOk)
-		Open();
+		open();
 }
 
 
-SOUND::~SOUND(void) {
-	Close();
+Sound::~Sound() {
+	close();
 }
 
 
-void SOUND::Close(void) {
-	KillMIDI();
+void Sound::close() {
+	killMidi();
 	sndDone();
 }
 
 
-void SOUND::Open(void) {
+void Sound::open() {
 	sndInit();
-	Play(_fx[30000], 8);
+	play(_fx[30000], 8);
 }
 
 
-void SOUND::Play(DATACK *wav, int pan, int cnt) {
+void Sound::play(DataCk *wav, int pan, int cnt) {
 	if (wav) {
-		Stop();
-		smpinf._saddr = (uint8 *) &*(wav->EAddr());
-		smpinf._slen = (uint16)wav->Size();
-		smpinf._span = pan;
-		smpinf._sflag = cnt;
-		sndDigiStart(&smpinf);
+		stop();
+		_smpinf._saddr = (uint8 *) &*(wav->eAddr());
+		_smpinf._slen = (uint16)wav->size();
+		_smpinf._span = pan;
+		_smpinf._sflag = cnt;
+		sndDigiStart(&_smpinf);
 	}
 }
 
 
-void SOUND::Stop(void) {
-	sndDigiStop(&smpinf);
+void Sound::stop() {
+	sndDigiStop(&_smpinf);
 }
 
 
-FX::FX(int size) : Emm(0L), Current(NULL) {
-	Cache = new HAN[size];
-	for (Size = 0; Size < size; Size++) {
-		Cache[Size].Ref = 0;
-		Cache[Size].Wav = NULL;
+Fx::Fx(int size) : _emm(0L), _current(NULL) {
+	_cache = new Han[size];
+	for (_size = 0; _size < size; _size++) {
+		_cache[_size]._ref = 0;
+		_cache[_size]._wav = NULL;
 	}
 }
 
 
-FX::~FX(void) {
-	Clear();
-	delete[] Cache;
+Fx::~Fx() {
+	clear();
+	delete[] _cache;
 }
 
 
-void FX::Clear(void) {
-	HAN *p, * q;
-	for (p = Cache, q = p + Size; p < q; p++) {
-		if (p->Ref) {
-			p->Ref = 0;
-			delete p->Wav;
-			p->Wav = NULL;
+void Fx::clear() {
+	Han *p, * q;
+	for (p = _cache, q = p + _size; p < q; p++) {
+		if (p->_ref) {
+			p->_ref = 0;
+			delete p->_wav;
+			p->_wav = NULL;
 		}
 	}
-	Emm.release();
-	Current = NULL;
+	_emm.release();
+	_current = NULL;
 }
 
 
-int FX::Find(int ref) {
-	HAN *p, * q;
+int Fx::find(int ref) {
+	Han *p, * q;
 	int i = 0;
-	for (p = Cache, q = p + Size; p < q; p++) {
-		if (p->Ref == ref)
+	for (p = _cache, q = p + _size; p < q; p++) {
+		if (p->_ref == ref)
 			break;
 		else
 			++i;
@@ -122,60 +121,60 @@ int FX::Find(int ref) {
 }
 
 
-void FX::Preload(int ref0) {
-	HAN *CacheLim = Cache + Size;
+void Fx::preload(int ref0) {
+	Han *cacheLim = _cache + _size;
 	int ref;
 
 	for (ref = ref0; ref < ref0 + 10; ref++) {
 		static char fname[] = "FX00000.WAV";
 		wtom(ref, fname + 2, 10, 5);
 		INI_FILE file = INI_FILE(fname);
-		DATACK *wav = LoadWave(&file, &Emm);
+		DataCk *wav = loadWave(&file, &_emm);
 		if (wav) {
-			HAN *p = &Cache[Find(0)];
-			if (p >= CacheLim)
+			Han *p = &_cache[find(0)];
+			if (p >= cacheLim)
 				break;
-			p->Wav = wav;
-			p->Ref = ref;
+			p->_wav = wav;
+			p->_ref = ref;
 		}
 	}
 }
 
 
-DATACK *FX::Load(int idx, int ref) {
+DataCk *Fx::load(int idx, int ref) {
 	static char fname[] = "FX00000.WAV";
 	wtom(ref, fname + 2, 10, 5);
 
 	INI_FILE file = INI_FILE(fname);
-	DATACK *wav = LoadWave(&file, &Emm);
+	DataCk *wav = loadWave(&file, &_emm);
 	if (wav) {
-		HAN *p = &Cache[idx];
-		p->Wav = wav;
-		p->Ref = ref;
+		Han *p = &_cache[idx];
+		p->_wav = wav;
+		p->_ref = ref;
 	}
 	return wav;
 }
 
 
-DATACK *FX::operator [](int ref) {
+DataCk *Fx::operator [](int ref) {
 	int i;
-	if ((i = Find(ref)) < Size)
-		Current = Cache[i].Wav;
+	if ((i = find(ref)) < _size)
+		_current = _cache[i]._wav;
 	else {
-		if ((i = Find(0)) >= Size) {
-			Clear();
+		if ((i = find(0)) >= _size) {
+			clear();
 			i = 0;
 		}
-		Current = Load(i, ref);
+		_current = load(i, ref);
 	}
-	return Current;
+	return _current;
 }
 
 
-static  uint8  *midi    = NULL;
+static uint8 *midi = NULL;
 
 
-void KillMIDI(void) {
+void killMidi() {
 	sndMidiStop();
 	if (midi) {
 		delete[] midi;
@@ -184,11 +183,11 @@ void KillMIDI(void) {
 }
 
 
-void LoadMIDI(int ref) {
+void loadMidi(int ref) {
 	static char fn[] = "00.MID";
 	wtom(ref, fn, 10, 2);
 	if (INI_FILE::exist(fn)) {
-		KillMIDI();
+		killMidi();
 		INI_FILE mid = fn;
 		if (mid._error == 0) {
 			uint16 siz = (uint16) mid.size();
@@ -196,7 +195,7 @@ void LoadMIDI(int ref) {
 			if (midi) {
 				mid.read(midi, siz);
 				if (mid._error)
-					KillMIDI();
+					killMidi();
 				else
 					sndMidiStart(midi);
 			}
diff --git a/engines/cge/sound.h b/engines/cge/sound.h
index 55dd1615cc..fda8d4f128 100644
--- a/engines/cge/sound.h
+++ b/engines/cge/sound.h
@@ -37,44 +37,42 @@ namespace CGE {
 #define BAD_MIDI_TEXT   98
 
 
-class SOUND {
+class Sound {
 public:
-	SmpInfo smpinf;
-	SOUND(void);
-	~SOUND(void);
-	void Open(void);
-	void Close(void);
-	void Play(DATACK *wav, int pan, int cnt = 1);
-	void Stop(void);
+	SmpInfo _smpinf;
+	Sound();
+	~Sound();
+	void open();
+	void close();
+	void play(DataCk *wav, int pan, int cnt = 1);
+	void stop();
 };
 
 
-class FX {
-	EMM Emm;
-	struct HAN {
-		int Ref;
-		DATACK *Wav;
-	} *Cache;
-	int Size;
-	DATACK *Load(int idx, int ref);
-	int Find(int ref);
+class Fx {
+	Emm _emm;
+	struct Han {
+		int _ref;
+		DataCk *_wav;
+	} *_cache;
+	int _size;
+	DataCk *load(int idx, int ref);
+	int find(int ref);
 public:
-	DATACK *Current;
-	FX(int size = 16);
-	~FX(void);
-	void Clear(void);
-	void Preload(int ref0);
-	DATACK *operator[](int ref);
+	DataCk *_current;
+	Fx(int size = 16);
+	~Fx();
+	void clear();
+	void preload(int ref0);
+	DataCk *operator[](int ref);
 };
 
+extern  Sound  _sound;
+extern  Fx     _fx;
 
-extern  bool   _music;
-extern  SOUND  _sound;
-extern  FX     _fx;
 
-
-void        LoadMIDI(int ref);
-void        KillMIDI();
+void loadMidi(int ref);
+void killMidi();
 
 } // End of namespace CGE
 
diff --git a/engines/cge/startup.cpp b/engines/cge/startup.cpp
index 0dfbc67916..6a06cbc537 100644
--- a/engines/cge/startup.cpp
+++ b/engines/cge/startup.cpp
@@ -38,7 +38,7 @@ extern char _copr[];
 #define id (*(Ident*)_copr)
 
 
-EMM _miniEmm = MINI_EMM_SIZE;
+Emm _miniEmm = MINI_EMM_SIZE;
 
 // static Startup _startUp;
 
diff --git a/engines/cge/startup.h b/engines/cge/startup.h
index 96c7388070..cc16f2a123 100644
--- a/engines/cge/startup.h
+++ b/engines/cge/startup.h
@@ -70,7 +70,7 @@ public:
 };
 
 
-extern EMM _miniEmm;
+extern Emm _miniEmm;
 
 const char *usrPath(const char *nam);
 
diff --git a/engines/cge/vol.cpp b/engines/cge/vol.cpp
index 2988f9ab11..04a9189682 100644
--- a/engines/cge/vol.cpp
+++ b/engines/cge/vol.cpp
@@ -105,4 +105,18 @@ void VFile::readBuff() {
 	_ptr = 0;
 }
 
+long VFile::mark() {
+	return (_bufMark + _ptr) - _begMark;
+}
+
+long VFile::size() {
+	return _endMark - _begMark;
+}
+
+long VFile::seek(long pos) {
+	_recent = NULL;
+	_lim = 0;
+	return (_bufMark = _begMark + pos);
+}
+
 } // End of namespace CGE
diff --git a/engines/cge/vol.h b/engines/cge/vol.h
index d8ba0979cb..8ed33d0ab4 100644
--- a/engines/cge/vol.h
+++ b/engines/cge/vol.h
@@ -70,28 +70,20 @@ private:
 	long _begMark;
 	long _endMark;
 
-	void readBuff(void);
-	void writeBuff(void) { }
+	void readBuff();
+	void writeBuff() { }
 	void make(const char *fspec);
 public:
 	VFile(const char *name, IOMODE mode = REA);
 	~VFile();
+
 	static void init();
 	static void deinit();
-
 	static bool exist(const char *name);
 	static const char *next();
-	long mark() {
-		return (_bufMark + _ptr) - _begMark;
-	}
-	long size() {
-		return _endMark - _begMark;
-	}
-	long seek(long pos) {
-		_recent = NULL;
-		_lim = 0;
-		return (_bufMark = _begMark + pos);
-	}
+	long mark();
+	long size();
+	long seek(long pos);
 };
 
 
diff --git a/engines/cge/wav.h b/engines/cge/wav.h
index 062f83dfca..c3e67f5f95 100644
--- a/engines/cge/wav.h
+++ b/engines/cge/wav.h
@@ -37,114 +37,111 @@ namespace CGE {
 #define IBM_FORMAT_ALAW     0x0102
 #define IBM_FORMAT_ADPCM    0x0103
 
+typedef char FourCC[4];             // Four-character code
 
-typedef char FOURCC[4];             // Four-character code
-typedef uint32 CKSIZE;              // 32-bit unsigned size
-
-
-class CKID { // Chunk type identifier
+class ChunkId { // Chunk type identifier
 	union {
-		FOURCC Tx;
-		uint32 Id;
+		FourCC _tx;
+		uint32 _id;
 	};
 protected:
 	static XFile *ckFile;
 public:
-	CKID(FOURCC t) {
-		memcpy(Tx, t, sizeof(Tx));
+	ChunkId(FourCC t) {
+		memcpy(_tx, t, sizeof(_tx));
 	}
-	CKID(uint32 d) {
-		Id = d;
+	ChunkId(uint32 d) {
+		_id = d;
 	}
-	CKID(XFile *xf) {
-		(ckFile = xf)->read(Tx, sizeof(Tx));
+	ChunkId(XFile *xf) {
+		(ckFile = xf)->read(_tx, sizeof(_tx));
 	}
-	bool operator !=(CKID &X) {
-		return Id != X.Id;
+	bool operator !=(ChunkId &X) {
+		return _id != X._id;
 	}
-	bool operator ==(CKID &X) {
-		return Id == X.Id;
+	bool operator ==(ChunkId &X) {
+		return _id == X._id;
 	}
-	const char *Name(void);
+	const char *name();
 };
 
 
-class CKHEA : public CKID {
+class CkHea : public ChunkId {
 protected:
-	CKSIZE ckSize;        // Chunk size field (size of ckData)
+	uint32 _ckSize;        // Chunk size field (size of ckData)
 public:
-	CKHEA(XFile *xf) : CKID(xf) {
-		XRead(xf, &ckSize);
+	CkHea(XFile *xf) : ChunkId(xf) {
+		XRead(xf, &_ckSize);
 	}
-	CKHEA(char id[]) : CKID(id), ckSize(0) { }
-	void Skip(void);
-	CKSIZE Size(void) {
-		return ckSize;
+	CkHea(char id[]) : ChunkId(id), _ckSize(0) { }
+	void skip();
+	uint32 size() {
+		return _ckSize;
 	}
 };
 
 
-class FMTCK : public CKHEA {
-	struct WAV {
-		uint16 wFormatTag;         // Format category
-		uint16 wChannels;          // Number of channels
-		uint32 dwSamplesPerSec;    // Sampling rate
-		uint32 dwAvgBytesPerSec;   // For buffer estimation
-		uint16 wBlockAlign;        // Data block size
-	} Wav;
+class FmtCk : public CkHea {
+	struct Wav {
+		uint16 _wFormatTag;         // Format category
+		uint16 _wChannels;          // Number of channels
+		uint32 _dwSamplesPerSec;    // Sampling rate
+		uint32 _dwAvgBytesPerSec;   // For buffer estimation
+		uint16 _wBlockAlign;        // Data block size
+	} _wav;
 
 	union {
 		struct {
-			uint16 wBitsPerSample;      // Sample size
-		} Pcm;
+			uint16 _wBitsPerSample;      // Sample size
+		} _pcm;
 	};
 public:
-	FMTCK(CKHEA &hea);
-	inline  uint16 Channels(void) {
-		return Wav.wChannels;
+	FmtCk(CkHea &hea);
+	inline  uint16 channels() {
+		return _wav._wChannels;
 	}
-	inline uint32 SmplRate(void) {
-		return Wav.dwSamplesPerSec;
+	inline uint32 smplRate() {
+		return _wav._dwSamplesPerSec;
 	}
-	inline uint32 ByteRate(void) {
-		return Wav.dwAvgBytesPerSec;
+	inline uint32 byteRate() {
+		return _wav._dwAvgBytesPerSec;
 	}
-	inline  uint16 BlckSize(void) {
-		return Wav.wBlockAlign;
+	inline uint16 blckSize() {
+		return _wav._wBlockAlign;
 	}
-	inline  uint16 SmplSize(void) {
-		return Pcm.wBitsPerSample;
+	inline uint16 smplSize() {
+		return _pcm._wBitsPerSample;
 	}
 };
 
 
-class DATACK : public CKHEA {
-	bool e;
+class DataCk : public CkHea {
+	bool _e;
 	union {
-		uint8 *Buf;
-		EMS *EBuf;
+		uint8 *_buf;
+		Ems *_eBuf;
 	};
 public:
-	DATACK(CKHEA &hea);
-	DATACK(CKHEA &hea, EMM *emm);
-	DATACK(int first, int last);
-	~DATACK(void);
-	inline uint8 *Addr(void) {
-		return Buf;
+	DataCk(CkHea &hea);
+	DataCk(CkHea &hea, Emm *emm);
+	DataCk(int first, int last);
+	~DataCk();
+	inline uint8 *addr() {
+		return _buf;
 	}
-	inline EMS *EAddr(void) {
-		return EBuf;
+	inline Ems *eAddr() {
+		return _eBuf;
 	}
 };
 
 
-extern  CKID    RIFF;
-extern  CKID    WAVE;
-extern  CKID    FMT;
-extern  CKID    DATA;
+extern ChunkId _riff;
+extern ChunkId _wave;
+extern ChunkId _fmt;
+extern ChunkId _data;
 
 
-DATACK     *LoadWave(XFile *file, EMM *emm = NULL);
+DataCk *loadWave(XFile *file, Emm *emm = NULL);
 
 } // End of namespace CGE