TITANIC: Added new TTstringNode and TTsynonymNode classes

8 files changed, 185 insertions, 2 deletions

diff --git a/engines/titanic/module.mk b/engines/titanic/module.mk
index a3d60e7fdb..23354b40f6 100644
--- a/engines/titanic/module.mk
+++ b/engines/titanic/module.mk
@@ -466,6 +466,7 @@ MODULE_OBJS := \
 	true_talk/tt_npc_script.o \
 	true_talk/tt_scripts.o \
 	true_talk/tt_string.o \
+	true_talk/tt_string_node.o \
 	true_talk/tt_talker.o \
 	true_talk/tt_title_script.o \
 	true_talk/tt_word.o
diff --git a/engines/titanic/support/file_reader.h b/engines/titanic/support/file_reader.h
index 7d00ebd80d..42ab43c294 100644
--- a/engines/titanic/support/file_reader.h
+++ b/engines/titanic/support/file_reader.h
@@ -42,6 +42,8 @@ public:
 	CFileReader();
 
 	void reset(CScriptHandler *owner, int val1, int val2);
+
+	bool is18Equals(int val) const { return _field18 == val; }
 };
 
 } // End of namespace Titanic
diff --git a/engines/titanic/true_talk/tt_string.cpp b/engines/titanic/true_talk/tt_string.cpp
index 189873daf0..78ef8222ab 100644
--- a/engines/titanic/true_talk/tt_string.cpp
+++ b/engines/titanic/true_talk/tt_string.cpp
@@ -66,6 +66,10 @@ void TTString::operator=(const TTString &str) {
 }
 
 void TTString::operator=(const CString &str) {
+	operator=(str.c_str());
+}
+
+void TTString::operator=(const char *str) {
 	// Delete old string reference, if any
 	if (_data && --_data->_referenceCount == 0)
 		delete _data;
diff --git a/engines/titanic/true_talk/tt_string.h b/engines/titanic/true_talk/tt_string.h
index 250f902068..c7c88ff2a8 100644
--- a/engines/titanic/true_talk/tt_string.h
+++ b/engines/titanic/true_talk/tt_string.h
@@ -51,6 +51,7 @@ public:
 
 	void operator=(const TTString &str);
 	void operator=(const CString &str);
+	void operator=(const char *str);
 
 	/**
 	 * Returns true if the string is valid
diff --git a/engines/titanic/true_talk/tt_string_node.cpp b/engines/titanic/true_talk/tt_string_node.cpp
new file mode 100644
index 0000000000..b1e2a642e4
--- /dev/null
+++ b/engines/titanic/true_talk/tt_string_node.cpp
@@ -0,0 +1,74 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "common/textconsole.h"
+#include "titanic/true_talk/tt_string_node.h"
+
+namespace Titanic {
+
+TTstringNode::TTstringNode() : _pPrior(nullptr), _pNext(nullptr),
+		_field14(0), _mode(0), _field1C(0) {
+}
+
+void TTstringNode::initialize(int mode) {
+	_mode = mode;
+	_field14 = 0;
+
+	if (_string.isValid()) {
+		_field1C = 0;
+	} else {
+		_field1C = 11;
+		warning("TTstringNode::initialize has bad subobj");
+	}
+}
+
+void TTstringNode::addNode(TTstringNode *newNode) {
+	TTstringNode *tail = getTail();
+	tail->_pNext = newNode;
+	newNode->_pPrior = this;
+}
+
+TTstringNode *TTstringNode::getTail() const {
+	if (_pNext == nullptr)
+		return nullptr;
+	
+	TTstringNode *node = _pNext;
+	while (node->_pNext)
+		node = node->_pNext;
+
+	return node;
+}
+
+/*------------------------------------------------------------------------*/
+
+TTsynonymNode::TTsynonymNode() : TTstringNode() {
+}
+
+TTsynonymNode::TTsynonymNode(int mode, const char *str, int val2) :
+		TTstringNode() {
+	_string = str;
+	initialize(mode);
+	_field14 = val2;
+}
+
+
+} // End of namespace Titanic
diff --git a/engines/titanic/true_talk/tt_string_node.h b/engines/titanic/true_talk/tt_string_node.h
new file mode 100644
index 0000000000..e588ea4883
--- /dev/null
+++ b/engines/titanic/true_talk/tt_string_node.h
@@ -0,0 +1,65 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef TITANIC_TT_STRING_NODE_H
+#define TITANIC_TT_STRING_NODE_H
+
+#include "titanic/true_talk/tt_string.h"
+
+namespace Titanic {
+
+class TTstringNode {
+private:
+	/**
+	 * Returns the final node at the end of the linked list of nodes
+	 */
+	TTstringNode *getTail() const;
+protected:
+	/**
+	 * Initializes state for the node
+	 */
+	void initialize(int mode);
+public:
+	TTstringNode *_pPrior;
+	TTstringNode *_pNext;
+	TTString _string;
+	int _field14;
+	int _mode;
+	int _field1C;
+public:
+	TTstringNode();
+
+	/**
+	 * Links the passed node to this node as a linked list
+	 */
+	void addNode(TTstringNode *newNode);
+};
+
+class TTsynonymNode : public TTstringNode {
+public:
+	TTsynonymNode();
+	TTsynonymNode(int mode, const char *str, int val2);
+};
+
+} // End of namespace Titanic
+
+#endif /* TITANIC_TT_STRING_NODE_H */
diff --git a/engines/titanic/true_talk/tt_word.cpp b/engines/titanic/true_talk/tt_word.cpp
index 62f924af6e..de987c281f 100644
--- a/engines/titanic/true_talk/tt_word.cpp
+++ b/engines/titanic/true_talk/tt_word.cpp
@@ -21,16 +21,38 @@
  */
 
 #include "titanic/true_talk/tt_word.h"
+#include "titanic/true_talk/tt_string_node.h"
+#include "titanic/titanic.h"
 
 namespace Titanic {
 
 TTword::TTword(TTString &str, int mode, int val2) : _string(str),
-		_wordMode(mode), _field1C(val2), _fieldC(0), _field10(0),
+		_wordMode(mode), _field1C(val2), _fieldC(0), _synP(nullptr),
 		_field20(0), _field24(0), _field28(0) {
 	_status = str.getStatus() == SS_VALID ? SS_VALID : SS_5;
 }
 
 int TTword::readSyn(SimpleFile *file) {
+	CString str;
+	int mode, val1;
+
+	if (!file->scanf("%s %d %d", &str, &mode, &val1))
+		return 8;
+	if (!testFileHandle(file))
+		return 5;
+
+	// Create new synanym node
+	TTsynonymNode *synNode = new TTsynonymNode(mode, str.c_str(), val1);
+
+	if (_synP) {
+		// A synonym already exists, so add new one as a tail
+		// at the end of the linked list of synonyms
+		_synP->addNode(synNode);
+	} else {
+		// Very first synonym, so set it
+		_synP = synNode;
+	}
+
 	return 0;
 }
 
@@ -62,6 +84,14 @@ uint TTword::readNumber(const char *str) {
 	return numValue;
 }
 
+bool TTword::testFileHandle(SimpleFile *file) const {
+	if (g_vm->_fileReader.is18Equals(3))
+		return true;
+
+	// TODO: Figure out why original compares passed file handle against specific values
+	return true;
+}
+
 /*------------------------------------------------------------------------*/
 
 TTword1::TTword1(TTString &str, int val1, int val2, int val3) :
diff --git a/engines/titanic/true_talk/tt_word.h b/engines/titanic/true_talk/tt_word.h
index a24099c2ab..0d6564a925 100644
--- a/engines/titanic/true_talk/tt_word.h
+++ b/engines/titanic/true_talk/tt_word.h
@@ -25,6 +25,7 @@
 
 #include "titanic/support/simple_file.h"
 #include "titanic/true_talk/tt_string.h"
+#include "titanic/true_talk/tt_string_node.h"
 
 namespace Titanic {
 
@@ -32,7 +33,7 @@ class TTword {
 protected:
 	TTString _string;
 	int _fieldC;
-	int _field10;
+	TTsynonymNode *_synP;
 	TTStringStatus _status;
 	int _wordMode;
 	int _field1C;
@@ -44,9 +45,14 @@ protected:
 	 * Read in a number
 	 */
 	uint readNumber(const char *str);
+
+	bool testFileHandle(SimpleFile *file) const;
 public:
 	TTword(TTString &str, int mode, int val2);
 
+	/**
+	 * Read in a synonym for the given word
+	 */
 	int readSyn(SimpleFile *file);
 
 	/**