TITANIC: Fleshing out of CTrueTalkManager class

engines/titanic/titanic.h

@@ -121,6 +121,7 @@ public:
 	Common::RandomSource _randomSource;
 	CScriptHandler *_scriptHandler;
 	TTscriptBase *_script;
+	CTrueTalkManager *_trueTalkManager;
 	CExeResources _exeResources;
 	CMovieList _activeMovies;
 	StringArray _itemNames;

engines/titanic/true_talk/true_talk_manager.cpp

@@ -32,7 +32,7 @@ namespace Titanic {
 
 int CTrueTalkManager::_v1;
 int CTrueTalkManager::_v2;
-int CTrueTalkManager::_v3;
+int CTrueTalkManager::_passengerClass;
 bool CTrueTalkManager::_v4;
 bool CTrueTalkManager::_v5;
 int CTrueTalkManager::_v6;
@@ -50,10 +50,12 @@ CTrueTalkManager::CTrueTalkManager(CGameManager *owner) :
 		_dialogueFile(nullptr), _dialogueId(0) {
 	_titleEngine.setup(3, 3);
 	_currentNPC = nullptr;
+	g_vm->_trueTalkManager = this;
 }
 
 CTrueTalkManager::~CTrueTalkManager() {
 	clear();
+	g_vm->_trueTalkManager = nullptr;
 }
 
 void CTrueTalkManager::save(SimpleFile *file) const {
@@ -100,7 +102,7 @@ void CTrueTalkManager::loadStatics(SimpleFile *file) {
 	int count = file->readNumber();
 	_v1 = file->readNumber();
 	_v2 = file->readNumber();
-	_v3 = file->readNumber();
+	_passengerClass = file->readNumber();
 	_v4 = file->readNumber() != 0;
 	_v5 = file->readNumber() != 0;
 	_v6 = file->readNumber();
@@ -124,7 +126,7 @@ void CTrueTalkManager::saveStatics(SimpleFile *file) {
 	file->writeNumber(10);
 	file->writeNumber(_v1);
 	file->writeNumber(_v2);
-	file->writeNumber(_v3);
+	file->writeNumber(_passengerClass);
 	file->writeNumber(_v4 ? 1 : 0);
 	file->writeNumber(_v5 ? 1 : 0);
 	file->writeNumber(_v6);
@@ -148,7 +150,7 @@ void CTrueTalkManager::setFlags(int index, int val) {
 	switch (index) {
 	case 1:
 		if (val >= 1 && val <= 3)
-			_v3 = val;
+			_passengerClass = val;
 		break;
 
 	case 2:
@@ -233,6 +235,14 @@ void CTrueTalkManager::start(CTrueTalkNPC *npc, uint id, CViewItem *view) {
 	setDialogue(npc, roomScript, view);
 }
 
+void CTrueTalkManager::start3(CTrueTalkNPC *npc, CViewItem *view) {
+	start(npc, 3, view);
+}
+
+void CTrueTalkManager::start4(CTrueTalkNPC *npc, CViewItem *view) {
+	start(npc, 4, view);
+}
+
 TTnpcScript *CTrueTalkManager::getTalker(const CString &name) const {
 	if (name.contains("Doorbot"))
 		return _scripts.getNpcScript(104);
@@ -285,6 +295,18 @@ TTroomScript *CTrueTalkManager::getRoomScript() const {
 	return script;
 }
 
+TTroomScript *CTrueTalkManager::getRoomScript(int roomId) const {
+	TTroomScript *script = nullptr;
+	if (roomId)
+		script = _scripts.getRoomScript(roomId);
+
+	if (!script)
+		// Fall back on the default Room script
+		script = _scripts.getRoomScript(110);
+
+	return script;
+}
+
 void CTrueTalkManager::loadAssets(CTrueTalkNPC *npc, int charId) {
 	// If assets for the character are already loaded, simply exit
 	if (_currentCharId == charId)
@@ -526,7 +548,7 @@ void CTrueTalkManager::playSpeech(TTtalker *talker, TTroomScript *roomScript, CV
 	}
 }
 
-int CTrueTalkManager::getStateVal(int stateNum) {
+int CTrueTalkManager::getStateValue(int stateNum) {
 	if (!_currentNPC)
 		return -1000;
 
@@ -549,4 +571,22 @@ bool CTrueTalkManager::proximityMethod1(int val) {
 	return false;
 }
 
+CGameManager *CTrueTalkManager::getGameManager() const {
+	return _gameManager;
+}
+
+CGameState *CTrueTalkManager::getGameState() const {
+	return _gameManager ? &_gameManager->_gameState : nullptr;
+}
+
+int CTrueTalkManager::getPassengerClass() const {
+	CGameState *gameState = getGameState();
+	return gameState ? gameState->_passengerClass : 4;
+}
+
+int CTrueTalkManager::getState14() const {
+	CGameState *gameState = getGameState();
+	return gameState ? gameState->_field14 : 0;
+}
+
 } // End of namespace Titanic

engines/titanic/true_talk/true_talk_manager.h

@@ -33,6 +33,7 @@
 namespace Titanic {
 
 class CGameManager;
+class CGameState;
 class CTreeItem;
 class CViewItem;
 class CTrueTalkManager;
@@ -107,10 +108,27 @@ private:
 	void playSpeech(TTtalker *talker, TTroomScript *roomScript, CViewItem *view, bool isParrot);
 
 	static bool proximityMethod1(int val);
+
+	/**
+	 * Return the game manager
+	 */
+	CGameManager *getGameManager() const;
+
+	/**
+	 * Return the game state
+	 */
+	CGameState *getGameState() const;
+
+	/**
+	 * Get the player's passenger class
+	 */
+	int getPassengerClass() const;
+
+	int getState14() const;
 public:
 	static int _v1;
 	static int _v2;
-	static int _v3;
+	static int _passengerClass;
 	static bool _v4;
 	static bool _v5;
 	static int _v6;
@@ -126,7 +144,7 @@ public:
 	/**
 	 * Get a specified state value from the currently set NPC
 	 */
-	static int getStateVal(int stateNum);
+	static int getStateValue(int stateNum);
 
 	/**
 	 * Trigger an NPC action
@@ -188,6 +206,16 @@ public:
 	 */
 	void start(CTrueTalkNPC *npc, uint id, CViewItem *view);
 
+	/**
+	 * Start a TrueTalk conversation
+	 */
+	void start3(CTrueTalkNPC *npc, CViewItem *view);
+
+	/**
+	 * Start a TrueTalk conversation
+	 */
+	void start4(CTrueTalkNPC *npc, CViewItem *view);
+
 	/**
 	 * Return a TrueTalk talker/script
 	 */
@@ -197,6 +225,11 @@ public:
 	 * Process player's input
 	 */
 	void processInput(CTrueTalkNPC *npc, CTextInputMsg *msg, CViewItem *view);
+
+	/**
+	 * Gets the script associated with a specific room
+	 */
+	TTroomScript *getRoomScript(int roomId) const;
 };
 
 } // End of namespace Titanic

engines/titanic/true_talk/tt_npc_script.cpp

@@ -23,6 +23,7 @@
 #include "common/textconsole.h"
 #include "titanic/true_talk/tt_npc_script.h"
 #include "titanic/true_talk/true_talk_manager.h"
+#include "titanic/titanic.h"
 
 namespace Titanic {
 
@@ -229,4 +230,10 @@ void TTnpcScript::preLoad() {
 	}
 }
 
+int TTnpcScript::getRoom54(int roomId) {
+	TTroomScript *room = g_vm->_trueTalkManager->getRoomScript(roomId);
+	return room ? room->_field54 : 0;
+}
+
+
 } // End of namespace Titanic

engines/titanic/true_talk/tt_npc_script.h

@@ -75,6 +75,8 @@ protected:
 	void resetFlags();
 
 	void randomizeFlags();
+
+	static int getRoom54(int roomId);
 public:
 	TTnpcScript(int charId, const char *charClass, int v2,
 		const char *charName, int v3, int val2, int v4,

engines/titanic/true_talk/tt_room_script.h

@@ -52,7 +52,7 @@ public:
 
 
 class TTroomScript : public TTroomScriptBase {
-private:
+public:
 	int _field54;
 public:
 	TTroomScript(int scriptId);