TITANIC: Implementing game logic classes

6 files changed, 227 insertions, 11 deletions

diff --git a/engines/titanic/game/cell_point_button.cpp b/engines/titanic/game/cell_point_button.cpp
index 18ece09cb0..207dd73543 100644
--- a/engines/titanic/game/cell_point_button.cpp
+++ b/engines/titanic/game/cell_point_button.cpp
@@ -24,12 +24,17 @@
 
 namespace Titanic {
 
+BEGIN_MESSAGE_MAP(CCellPointButton, CBackground)
+	ON_MESSAGE(MouseButtonDownMsg)
+	ON_MESSAGE(EnterViewMsg)
+END_MESSAGE_MAP()
+
 CCellPointButton::CCellPointButton() : CBackground() {
 	_fieldE0 = 0;
 	_fieldE4 = 0;
 	_fieldE8 = 0;
 	_fieldEC = 0;
-	_fieldF0 = 0;
+	_regionNum = 0;
 	_fieldF4 = 0;
 	_fieldF8 = 0;
 	_fieldFC = 0;
@@ -44,7 +49,7 @@ void CCellPointButton::save(SimpleFile *file, int indent) {
 	file->writeNumberLine(_fieldE4, indent);
 	file->writeNumberLine(_fieldE8, indent);
 	file->writeNumberLine(_fieldEC, indent);
-	file->writeNumberLine(_fieldF0, indent);
+	file->writeNumberLine(_regionNum, indent);
 	file->writeNumberLine(_fieldF4, indent);
 	file->writeNumberLine(_fieldF8, indent);
 	file->writeNumberLine(_fieldFC, indent);
@@ -52,7 +57,7 @@ void CCellPointButton::save(SimpleFile *file, int indent) {
 	file->writeNumberLine(_field104, indent);
 	file->writeNumberLine(_field108, indent);
 	file->writeQuotedLine(_string3, indent);
-	file->writeNumberLine(_field118, indent);
+	file->writeNumberLine(_dialNum, indent);
 
 	CBackground::save(file, indent);
 }
@@ -63,7 +68,7 @@ void CCellPointButton::load(SimpleFile *file) {
 	_fieldE4 = file->readNumber();
 	_fieldE8 = file->readNumber();
 	_fieldEC = file->readNumber();
-	_fieldF0 = file->readNumber();
+	_regionNum = file->readNumber();
 	_fieldF4 = file->readNumber();
 	_fieldF8 = file->readNumber();
 	_fieldFC = file->readNumber();
@@ -71,9 +76,28 @@ void CCellPointButton::load(SimpleFile *file) {
 	_field104 = file->readNumber();
 	_field108 = file->readNumber();
 	_string3 = file->readString();
-	_field118 = file->readNumber();
+	_dialNum = file->readNumber();
 
 	CBackground::load(file);
 }
 
+bool CCellPointButton::MouseButtonDownMsg(CMouseButtonDownMsg *msg) {
+	if (getRandomNumber(2) == 0) {
+		CParrotSpeakMsg speakMsg("Cellpoints", _string3);
+		speakMsg.execute("PerchedParrot");
+	}
+
+	playMovie(0);
+	_regionNum = _regionNum ? 0 : 1;
+	playSound("z#425.wav");
+	talkSetDialRegion(_string3, _dialNum, _regionNum);
+
+	return true;
+}
+
+bool CCellPointButton::EnterViewMsg(CEnterViewMsg *msg) {
+	_regionNum = talkGetDialRegion(_string3, _dialNum);
+	return true;
+}
+
 } // End of namespace Titanic
diff --git a/engines/titanic/game/cell_point_button.h b/engines/titanic/game/cell_point_button.h
index 6f1fdc3809..33f58cbb83 100644
--- a/engines/titanic/game/cell_point_button.h
+++ b/engines/titanic/game/cell_point_button.h
@@ -28,12 +28,15 @@
 namespace Titanic {
 
 class CCellPointButton : public CBackground {
+	DECLARE_MESSAGE_MAP;
+	bool MouseButtonDownMsg(CMouseButtonDownMsg *msg);
+	bool EnterViewMsg(CEnterViewMsg *msg);
 public:
 	int _fieldE0;
 	int _fieldE4;
 	int _fieldE8;
 	int _fieldEC;
-	int _fieldF0;
+	int _regionNum;
 	int _fieldF4;
 	int _fieldF8;
 	int _fieldFC;
@@ -41,7 +44,7 @@ public:
 	int _field104;
 	int _field108;
 	CString _string3;
-	int _field118;
+	int _dialNum;
 public:
 	CLASSDEF;
 	CCellPointButton();
diff --git a/engines/titanic/game/chev_code.cpp b/engines/titanic/game/chev_code.cpp
index ebc20578b7..4dd3ac3d4a 100644
--- a/engines/titanic/game/chev_code.cpp
+++ b/engines/titanic/game/chev_code.cpp
@@ -24,16 +24,147 @@
 
 namespace Titanic {
 
+BEGIN_MESSAGE_MAP(CChevCode, CGameObject)
+	ON_MESSAGE(SetChevLiftBits)
+	ON_MESSAGE(SetChevClassBits)
+	ON_MESSAGE(SetChevFloorBits)
+	ON_MESSAGE(SetChevRoomBits)
+	ON_MESSAGE(GetChevLiftNum)
+	ON_MESSAGE(GetChevClassNum)
+	ON_MESSAGE(GetChevFloorNum)
+	ON_MESSAGE(GetChevRoomNum)
+	ON_MESSAGE(CheckChevCode)
+	ON_MESSAGE(GetChevCodeFromRoomNameMsg)
+END_MESSAGE_MAP()
+
 void CChevCode::save(SimpleFile *file, int indent) {
 	file->writeNumberLine(1, indent);
-	file->writeNumberLine(_value, indent);
+	file->writeNumberLine(_floorBits, indent);
 	CGameObject::save(file, indent);
 }
 
 void CChevCode::load(SimpleFile *file) {
 	file->readNumber();
-	_value = file->readNumber();
+	_floorBits = file->readNumber();
 	CGameObject::load(file);
 }
 
+bool CChevCode::SetChevLiftBits(CSetChevLiftBits *msg) {
+	_floorBits &= ~0xC0000;
+	if (msg->_liftNum > 0 && msg->_liftNum < 5)
+		_floorBits = ((msg->_liftNum - 1) << 18) | _floorBits;
+
+	return true;
+}
+
+bool CChevCode::SetChevClassBits(CSetChevClassBits *msg) {
+	_floorBits &= ~0x30000;
+	if (msg->_classNum > 0 && msg->_classNum < 4)
+		_floorBits = (msg->_classNum << 16) | msg->_classNum;
+
+	return true;
+}
+
+bool CChevCode::SetChevFloorBits(CSetChevFloorBits *msg) {
+	int section = (msg->_floorNum + 4) / 10;
+	int index = (msg->_floorNum + 4) % 10;
+	_floorBits &= ~0xFF00;
+	
+	int val;
+	switch (section) {
+	case 0:
+		val = 144;
+		break;
+	case 1:
+		val = 208;
+		break;
+	case 2:
+		val = 224;
+		break;
+	case 3:
+		val = 240;
+		break;
+	default:
+		break;
+	}
+	
+	_floorBits |= ((index + val) << 8);
+	return true;
+}
+
+bool CChevCode::SetChevRoomBits(CSetChevRoomBits *msg) {
+	_floorBits &= ~0xff;
+	if (msg->_roomNum > 0 && msg->_roomNum < 128)
+		_floorBits |= msg->_roomNum * 2;
+
+	return true;
+}
+
+bool CChevCode::GetChevLiftNum(CGetChevLiftNum *msg) {
+	msg->_liftNum = (_floorBits >> 18) & 3 + 1;
+	return true;
+}
+
+bool CChevCode::GetChevClassNum(CGetChevClassNum *msg) {
+	msg->_classNum = (_floorBits >> 16) & 3;
+	return true;
+}
+
+bool CChevCode::GetChevFloorNum(CGetChevFloorNum *msg) {
+	int val1 = (_floorBits >> 8) & 0xF;
+	int val2 = (_floorBits >> 12) & 0xF - 9;
+
+	switch (val2) {
+	case 0:
+		val2 = 0;
+		break;
+	case 4:
+		val2 = 1;
+		break;
+	case 5:
+		val2 = 2;
+		break;
+	case 6:
+		val2 = 3;
+		break;
+	default:
+		val2 = 4;
+		break;
+	}
+
+	msg->_floorNum = (val1 >= 10) ? 0 : val1 * 10;
+	return true;
+}
+
+bool CChevCode::GetChevRoomNum(CGetChevRoomNum *msg) {
+	msg->_roomNum = (_floorBits >> 1) & 0x7F;
+	return true;
+}
+
+bool CChevCode::CheckChevCode(CCheckChevCode *msg) {
+	// TODO
+	return true;
+}
+
+bool CChevCode::GetChevCodeFromRoomNameMsg(CGetChevCodeFromRoomNameMsg *msg) {
+	static const char *const ROOM_NAMES[13] = {
+		"ParrotLobby", "sculptureChamber", "Bar", "EmbLobby", "MusicRoom",
+		"Titania", "BottomOfWell", "Arboretum", "PromenadeDeck",
+		"FCRestrnt", "CrtrsCham", "BilgeRoom", "Bridge"
+	};
+	static const uint CHEV_CODES[13] = {
+		0x1D0D9, 0x465FB, 0xB3D97, 0xCC971, 0xF34DB, 0x8A397, 0x59FAD,
+		0x4D6AF, 0x79C45, 0x196D9, 0x2F86D, 0x3D94B, 0x39FCB
+	};
+
+	for (int idx = 0; idx < 13; ++idx) {
+		if (msg->_roomName == ROOM_NAMES[idx]) {
+			msg->_chevCode = CHEV_CODES[idx];
+			break;
+		}
+	}
+
+	return true;
+}
+
 } // End of namespace Titanic
diff --git a/engines/titanic/game/chev_code.h b/engines/titanic/game/chev_code.h
index c4552d00a2..88b26cd6ec 100644
--- a/engines/titanic/game/chev_code.h
+++ b/engines/titanic/game/chev_code.h
@@ -28,11 +28,22 @@
 namespace Titanic {
 
 class CChevCode : public CGameObject {
+	DECLARE_MESSAGE_MAP;
+	bool SetChevLiftBits(CSetChevLiftBits *msg);
+	bool SetChevClassBits(CSetChevClassBits *msg);
+	bool SetChevFloorBits(CSetChevFloorBits *msg);
+	bool SetChevRoomBits(CSetChevRoomBits *msg);
+	bool GetChevLiftNum(CGetChevLiftNum *msg);
+	bool GetChevClassNum(CGetChevClassNum *msg);
+	bool GetChevFloorNum(CGetChevFloorNum *msg);
+	bool GetChevRoomNum(CGetChevRoomNum *msg);
+	bool CheckChevCode(CCheckChevCode *msg);
+	bool GetChevCodeFromRoomNameMsg(CGetChevCodeFromRoomNameMsg *msg);
 public:
-	int _value;
+	int _floorBits;
 public:
 	CLASSDEF;
-	CChevCode() : CGameObject(), _value(0) {}
+	CChevCode() : CGameObject(), _floorBits(0) {}
 
 	/**
 	 * Save the data for the class to file
diff --git a/engines/titanic/game/sgt/chest_of_drawers.cpp b/engines/titanic/game/sgt/chest_of_drawers.cpp
index be62e12c8e..d9c72d3021 100644
--- a/engines/titanic/game/sgt/chest_of_drawers.cpp
+++ b/engines/titanic/game/sgt/chest_of_drawers.cpp
@@ -24,6 +24,12 @@
 
 namespace Titanic {
 
+BEGIN_MESSAGE_MAP(CChestOfDrawers, CSGTStateRoom)
+	ON_MESSAGE(TurnOn)
+	ON_MESSAGE(TurnOff)
+	ON_MESSAGE(MovieEndMsg)
+END_MESSAGE_MAP()
+
 void CChestOfDrawers::save(SimpleFile *file, int indent) {
 	file->writeNumberLine(1, indent);
 	CSGTStateRoom::save(file, indent);
@@ -34,4 +40,41 @@ void CChestOfDrawers::load(SimpleFile *file) {
 	CSGTStateRoom::load(file);
 }
 
+bool CChestOfDrawers::TurnOn(CTurnOn *msg) {
+	if (_statics->_v6 == "Closed" && _statics->_v5 == "Open") {
+		_fieldE0 = false;
+		_statics->_v6 = "Open";
+		_startFrame = 1;
+		_endFrame = 14;
+		playSound("b#11.wav");
+	}
+
+	return true;
+}
+
+bool CChestOfDrawers::TurnOff(CTurnOff *msg) {
+	if (_statics->_v6 == "Open" && _statics->_v5 == "Closed") {
+		CVisibleMsg visibleMsg;
+		visibleMsg.execute("Drawer");
+		_statics->_v6 = "Closed";
+		_fieldE0 = true;
+		
+		_startFrame = 14;
+		_endFrame = 27;
+		playMovie(14, 27, MOVIE_NOTIFY_OBJECT | MOVIE_GAMESTATE);
+		playSound("b#11.wav");
+	}
+
+	return true;
+}
+
+bool CChestOfDrawers::MovieEndMsg(CMovieEndMsg *msg) {
+	if (_statics->_v6 == "Open") {
+		CVisibleMsg visibleMsg;
+		visibleMsg.execute("Drawer");
+	}
+
+	return true;
+}
+
 } // End of namespace Titanic
diff --git a/engines/titanic/game/sgt/chest_of_drawers.h b/engines/titanic/game/sgt/chest_of_drawers.h
index 16a1bf8fea..5bf852902b 100644
--- a/engines/titanic/game/sgt/chest_of_drawers.h
+++ b/engines/titanic/game/sgt/chest_of_drawers.h
@@ -28,6 +28,10 @@
 namespace Titanic {
 
 class CChestOfDrawers : public CSGTStateRoom {
+	DECLARE_MESSAGE_MAP;
+	bool TurnOn(CTurnOn *msg);
+	bool TurnOff(CTurnOff *msg);
+	bool MovieEndMsg(CMovieEndMsg *msg);
 public:
 	CLASSDEF;