From 71179e376363c1c59b9c7819bfbe89196c7bbc23 Mon Sep 17 00:00:00 2001
From: Paul Gilbert
Date: Sun, 8 May 2016 14:37:18 -0400
Subject: TITANIC: More script handler setup

---
 engines/titanic/support/file_reader.cpp      |  4 ++++
 engines/titanic/support/file_reader.h        |  2 ++
 engines/titanic/titanic.cpp                  |  2 ++
 engines/titanic/titanic.h                    |  3 +++
 engines/titanic/true_talk/script_handler.cpp | 17 ++++++++++----
 engines/titanic/true_talk/script_handler.h   | 33 +++++++++++++++++++++++++---
 engines/titanic/true_talk/tt_npc_script.h    | 13 ++++++++---
 engines/titanic/true_talk/tt_room_script.cpp |  5 +++--
 engines/titanic/true_talk/tt_room_script.h   |  6 ++---
 engines/titanic/true_talk/tt_script_base.h   |  4 ++++
 10 files changed, 74 insertions(+), 15 deletions(-)

(limited to 'engines')

diff --git a/engines/titanic/support/file_reader.cpp b/engines/titanic/support/file_reader.cpp
index c332d9995c..308d748704 100644
--- a/engines/titanic/support/file_reader.cpp
+++ b/engines/titanic/support/file_reader.cpp
@@ -24,6 +24,10 @@
 
 namespace Titanic {
 
+void CFileReader::reset() {
+	_file.close();
+	_field18 = 0;
+}
 
 
 } // End of namespace Titanic
diff --git a/engines/titanic/support/file_reader.h b/engines/titanic/support/file_reader.h
index 7e9eb1ac20..23ab0a6fce 100644
--- a/engines/titanic/support/file_reader.h
+++ b/engines/titanic/support/file_reader.h
@@ -30,7 +30,9 @@ namespace Titanic {
 class CFileReader {
 public:
 	Common::File _file;
+	int _field18;
 public:
+	void reset();
 };
 
 } // End of namespace Titanic
diff --git a/engines/titanic/titanic.cpp b/engines/titanic/titanic.cpp
index f1d24a0a1e..e70a208552 100644
--- a/engines/titanic/titanic.cpp
+++ b/engines/titanic/titanic.cpp
@@ -53,6 +53,8 @@ TitanicEngine::TitanicEngine(OSystem *syst, const TitanicGameDescription *gameDe
 	_window = nullptr;
 	_screen = nullptr;
 	_screenManager = nullptr;
+	_scriptHandler = nullptr;
+	_script = nullptr;
 }
 
 TitanicEngine::~TitanicEngine() {
diff --git a/engines/titanic/titanic.h b/engines/titanic/titanic.h
index b773bec332..653ace534b 100644
--- a/engines/titanic/titanic.h
+++ b/engines/titanic/titanic.h
@@ -38,6 +38,7 @@
 #include "titanic/support/movie.h"
 #include "titanic/support/screen_manager.h"
 #include "titanic/support/string.h"
+#include "titanic/true_talk/tt_script_base.h"
 
 /**
  * This is the namespace of the Titanic engine.
@@ -117,6 +118,8 @@ public:
 	OSScreenManager *_screenManager;
 	CMainGameWindow *_window;
 	Common::RandomSource _randomSource;
+	CScriptHandler *_scriptHandler;
+	TTScriptBase *_script;
 	CFileReader _fileReader;
 	CMovieList _activeMovies;
 	CString _itemNames[TOTAL_ITEMS];
diff --git a/engines/titanic/true_talk/script_handler.cpp b/engines/titanic/true_talk/script_handler.cpp
index beb5bee996..bd98aad15f 100644
--- a/engines/titanic/true_talk/script_handler.cpp
+++ b/engines/titanic/true_talk/script_handler.cpp
@@ -29,17 +29,26 @@ namespace Titanic {
 
 CScriptHandler::CScriptHandler(CTitleEngine *owner, int val1, int val2) :
 		_owner(owner), _script(owner->_script), _reader(g_vm->_fileReader),
-		_vocab(val2), _field10(0), _field14(0), _field18(0), _inputCtr(0), 
+		_vocab(val2), _sub1(), _sub2(this), _field10(0), _inputCtr(0), 
 		_field20(0), _field24(0), _field28(0), _field2C(0), _field30(0) {
-	
+	g_vm->_scriptHandler = this;
+	g_vm->_script = _script;
 }
 
-int CScriptHandler::scriptChanged(TTRoomScript *roomScript, TTNpcScript *npcScript, uint dialogueId) {
+ScriptChangedResult CScriptHandler::scriptChanged(TTRoomScript *roomScript, TTNpcScript *npcScript, uint dialogueId) {
 	if (!npcScript || !roomScript) {
 		++_inputCtr;
-		return 5;
+		return SCR_5;
 	}
 
+	ScriptChangedResult result = roomScript->notifyScript(npcScript, dialogueId);
+	if (result == SCR_1)
+		result = npcScript->notifyScript(roomScript, dialogueId);
+
+	if (result != SCR_3 && result != SCR_4)
+		return result;
+
+	error("TODO: CScriptHandler::scriptChanged");
 }
 
 void CScriptHandler::processInput(TTRoomScript *roomScript, TTNpcScript *npcScript,
diff --git a/engines/titanic/true_talk/script_handler.h b/engines/titanic/true_talk/script_handler.h
index fba1e41a2e..16dff1bf36 100644
--- a/engines/titanic/true_talk/script_handler.h
+++ b/engines/titanic/true_talk/script_handler.h
@@ -32,6 +32,33 @@
 namespace Titanic {
 
 class CTitleEngine;
+class CScriptHandler;
+
+class CScriptHandlerSub1 {
+public:
+	int _field0;
+	int _field4;
+	int _field8;
+	int _fieldC;
+	int _field10;
+public:
+	CScriptHandlerSub1() : _field0(0), _field4(0), _field8(0),
+		_fieldC(0), _field10(0) {}
+};
+
+class CScriptHandlerSub2 {
+public:
+	CScriptHandler *_owner;
+	int _field4;
+	int _field8;
+	int _fieldC;
+	int _field10;
+	int _field14;
+	int _field18;
+public:
+	CScriptHandlerSub2(CScriptHandler *owner) : _owner(owner), _field4(0), _field8(0),
+		_fieldC(0), _field10(0), _field14(0), _field18(0) {}
+};
 
 class CScriptHandler {
 private:
@@ -40,8 +67,8 @@ private:
 	CFileReader &_reader;
 	STVocab _vocab;
 	int _field10;
-	int _field14;
-	int _field18;
+	CScriptHandlerSub1 _sub1;
+	CScriptHandlerSub2 _sub2;
 	int _inputCtr;
 	int _field20;
 	int _field24;
@@ -54,7 +81,7 @@ public:
 	/**
 	 * Set the character and room
 	 */
-	int scriptChanged(TTRoomScript *roomScript, TTNpcScript *npcScript, uint dialogueId);
+	ScriptChangedResult scriptChanged(TTRoomScript *roomScript, TTNpcScript *npcScript, uint dialogueId);
 
 	void processInput(TTRoomScript *roomScript, TTNpcScript *npcScript,
 		const TTString &line);
diff --git a/engines/titanic/true_talk/tt_npc_script.h b/engines/titanic/true_talk/tt_npc_script.h
index c11dc6d0b8..f3df956850 100644
--- a/engines/titanic/true_talk/tt_npc_script.h
+++ b/engines/titanic/true_talk/tt_npc_script.h
@@ -48,7 +48,7 @@ public:
 	/**
 	 * Called when the script/id changes
 	 */
-	virtual int scriptChanged(TTScriptBase *roomScript, uint id) = 0;
+	virtual ScriptChangedResult scriptChanged(TTScriptBase *roomScript, uint id) = 0;
 
 	virtual int proc11() const = 0;
 	virtual int proc12() const = 0;
@@ -87,8 +87,8 @@ public:
 	/**
 	 * Called when the script/id changes
 	 */
-	virtual int scriptChanged(TTScriptBase *roomScript, uint id) {
-		return 2;
+	virtual ScriptChangedResult scriptChanged(TTScriptBase *roomScript, uint id) {
+		return SCR_2;
 	}
 
 	virtual int proc11() const;
@@ -125,6 +125,13 @@ public:
 	virtual int proc37() const;
 
 	void preLoad();
+
+	/**
+	 * Called with the script and id changes
+	 */
+	ScriptChangedResult notifyScript(TTScriptBase *npcScript, int id) {
+		return scriptChanged(npcScript, id);
+	}
 };
 
 } // End of namespace Titanic
diff --git a/engines/titanic/true_talk/tt_room_script.cpp b/engines/titanic/true_talk/tt_room_script.cpp
index 37fba1f1a9..2ade0495cf 100644
--- a/engines/titanic/true_talk/tt_room_script.cpp
+++ b/engines/titanic/true_talk/tt_room_script.cpp
@@ -53,10 +53,11 @@ void TTRoomScript::proc9() {
 	warning("TODO");
 }
 
-int TTRoomScript::scriptChanged(TTScriptBase *npcScript, int id) {
+ScriptChangedResult TTRoomScript::scriptChanged(TTScriptBase *npcScript, int id) {
 	if (id == 1)
 		_field54 = 1;
-	return 1;
+	
+	return SCR_1;
 }
 
 void TTRoomScript::proc11() {
diff --git a/engines/titanic/true_talk/tt_room_script.h b/engines/titanic/true_talk/tt_room_script.h
index f64570995c..30133b24da 100644
--- a/engines/titanic/true_talk/tt_room_script.h
+++ b/engines/titanic/true_talk/tt_room_script.h
@@ -42,7 +42,7 @@ public:
 	/**
 	 * Called when the script changes
 	 */
-	virtual int scriptChanged(TTScriptBase *npcScript, int id) = 0;
+	virtual ScriptChangedResult scriptChanged(TTScriptBase *npcScript, int id) = 0;
 	
 	virtual void proc11() = 0;
 };
@@ -62,14 +62,14 @@ public:
 	/**
 	 * Called when the script changes
 	 */
-	virtual int scriptChanged(TTScriptBase *npcScript, int id);
+	virtual ScriptChangedResult scriptChanged(TTScriptBase *npcScript, int id);
 
 	virtual void proc11();
 
 	/**
 	 * Called with the new script and id
 	 */
-	int notifyScript(TTScriptBase *npcScript, int id) {
+	ScriptChangedResult notifyScript(TTScriptBase *npcScript, int id) {
 		return scriptChanged(npcScript, id);
 	}
 };
diff --git a/engines/titanic/true_talk/tt_script_base.h b/engines/titanic/true_talk/tt_script_base.h
index 4021a0b738..fe999ab290 100644
--- a/engines/titanic/true_talk/tt_script_base.h
+++ b/engines/titanic/true_talk/tt_script_base.h
@@ -27,6 +27,10 @@
 
 namespace Titanic {
 
+enum ScriptChangedResult {
+	SCR_1 = 1, SCR_2 = 2, SCR_3 = 3, SCR_4 = 4, SCR_5 = 5
+};
+
 class TTScriptBase {
 private:
 	void reset();
-- 
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