TITANIC: Implemented CLinkItem class

4 files changed, 173 insertions, 0 deletions

diff --git a/engines/titanic/module.mk b/engines/titanic/module.mk
index b14ec0f601..1120f699b0 100644
--- a/engines/titanic/module.mk
+++ b/engines/titanic/module.mk
@@ -19,6 +19,7 @@ MODULE_OBJS := \
 	objects/dont_save_file_item.o \
 	objects/file_item.o \
 	objects/game_object.o \
+	objects/link_item.o \
 	objects/list.o \
 	objects/message_target.o \
 	objects/movie_clip.o \
diff --git a/engines/titanic/objects/link_item.cpp b/engines/titanic/objects/link_item.cpp
new file mode 100644
index 0000000000..90774ad43c
--- /dev/null
+++ b/engines/titanic/objects/link_item.cpp
@@ -0,0 +1,100 @@
+/* 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 "titanic/objects/link_item.h"
+
+namespace Titanic {
+
+CLinkItemSub::CLinkItemSub() : _field0(0), _field4(0), _field8(0), _fieldC(0) {
+}
+
+CLinkItem::CLinkItem() : CNamedItem() {
+	_field24 = -1;
+	_field28 = -1;
+	_field2C = -1;
+	_field30 = 0;
+	_field34 = 1;
+	_name = "Link";
+}
+
+void CLinkItem::save(SimpleFile *file, int indent) const {
+	file->writeNumberLine(2, indent);
+	file->writeQuotedLine("L", indent);
+	file->writeNumberLine(_field34, indent + 1);
+	file->writeNumberLine(_field30, indent + 1);
+	file->writeNumberLine(_field24, indent + 1);
+	file->writeNumberLine(_field28, indent + 1);
+	file->writeNumberLine(_field2C, indent + 1);
+
+	file->writeQuotedLine("Hotspot", indent + 1);
+	file->writeNumberLine(_sub._field0, indent + 2);
+	file->writeNumberLine(_sub._field4, indent + 2);
+	file->writeNumberLine(_sub._field8, indent + 2);
+	file->writeNumberLine(_sub._fieldC, indent + 2);
+
+	CNamedItem::save(file, indent);
+}
+
+void CLinkItem::load(SimpleFile *file) {
+	int val = file->readNumber();
+	file->readBuffer();
+
+	switch (val) {
+	case 3:
+		_field34 = file->readNumber();
+		// Deliberate fall-through
+
+	case 1:
+		_field30 = file->readNumber();
+		// Deliberate fall-through
+
+	case 0:
+		_field24 = file->readNumber();
+		_field28 = file->readNumber();
+		_field2C = file->readNumber();
+		break;
+
+	default:
+		break;
+	}
+
+	CNamedItem::load(file);
+
+	if (val < 2) {
+		switch (_field30) {
+		case 2:
+			_field34 = 2;
+			break;
+		case 3:
+			_field34 = 3;
+			break;
+		case 5:
+			_field34 = 7;
+			break;
+		default:
+			_field34 = 4;
+			break;
+		}
+	}
+}
+
+} // End of namespace Titanic
diff --git a/engines/titanic/objects/link_item.h b/engines/titanic/objects/link_item.h
new file mode 100644
index 0000000000..efe5ec1cf5
--- /dev/null
+++ b/engines/titanic/objects/link_item.h
@@ -0,0 +1,69 @@
+/* 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_LINK_ITEM_H
+#define TITANIC_LINK_ITEM_H
+
+#include "titanic/objects/named_item.h"
+
+namespace Titanic {
+
+class CLinkItemSub {
+public:
+	int _field0;
+	int _field4;
+	int _field8;
+	int _fieldC;
+public:
+	CLinkItemSub();
+};
+
+class CLinkItem : public CNamedItem {
+protected:
+	int _field24;
+	int _field28;
+	int _field2C;
+	int _field30;
+	int _field34;
+	CLinkItemSub _sub;
+public:
+	CLinkItem();
+
+	/**
+	 * Return the class name
+	 */
+	virtual const char *getClassName() const { return "CLinkItem"; }
+
+	/**
+	 * Save the data for the class to file
+	 */
+	virtual void save(SimpleFile *file, int indent) const;
+
+	/**
+	 * Load the data for the class from file
+	 */
+	virtual void load(SimpleFile *file);
+};
+
+} // End of namespace Titanic
+
+#endif /* TITANIC_LINK_ITEM_H */
diff --git a/engines/titanic/objects/saveable_object.cpp b/engines/titanic/objects/saveable_object.cpp
index cd5f7eba6e..b6611680ed 100644
--- a/engines/titanic/objects/saveable_object.cpp
+++ b/engines/titanic/objects/saveable_object.cpp
@@ -22,6 +22,7 @@
 
 #include "titanic/objects/saveable_object.h"
 #include "titanic/objects/file_item.h"
+#include "titanic/objects/link_item.h"
 #include "titanic/objects/list.h"
 #include "titanic/objects/message_target.h"
 #include "titanic/objects/movie_clip.h"
@@ -42,6 +43,7 @@ Common::HashMap<Common::String, CSaveableObject::CreateFunction> *
 
 DEFFN(CFileItem);
 DEFFN(CFileListItem);
+DEFFN(CLinkItem);
 DEFFN(CMessageTarget);
 DEFFN(CMovieClip);
 DEFFN(CMovieClipList);
@@ -56,6 +58,7 @@ void CSaveableObject::initClassList() {
 	_classList = new Common::HashMap<Common::String, CreateFunction>();
 	ADDFN(CFileItem);
 	ADDFN(CFileListItem);
+	ADDFN(CLinkItem);
 	ADDFN(CMessageTarget);
 	ADDFN(CMovieClip);
 	ADDFN(CMovieClipList);