PEGASUS: Import the CItemList class

4 files changed, 142 insertions, 2 deletions

diff --git a/engines/pegasus/Game_Shell/CItem.cpp b/engines/pegasus/Game_Shell/CItem.cpp
index 0816e595da..90a7a04b19 100755
--- a/engines/pegasus/Game_Shell/CItem.cpp
+++ b/engines/pegasus/Game_Shell/CItem.cpp
@@ -27,6 +27,7 @@
 #include "common/stream.h"
 
 #include "pegasus/Game_Shell/CItem.h"
+#include "pegasus/Game_Shell/CItemList.h"
 #include "pegasus/Game_Shell/Headers/Game_Shell_Constants.h"
 
 namespace Pegasus {
@@ -39,8 +40,7 @@ CItem::CItem(const tItemID id, const tNeighborhoodID neighborhood, const tRoomID
 	fItemOwnerID = kNoActorID;
 	fItemState = 0;
 
-	// TODO: This line would append this item to the list of all items
-	//gAllItems.Append(this);
+	gAllItems.push_back(this);
 }
 
 CItem::~CItem() {
diff --git a/engines/pegasus/Game_Shell/CItemList.cpp b/engines/pegasus/Game_Shell/CItemList.cpp
new file mode 100755
index 0000000000..eb7cf9a393
--- /dev/null
+++ b/engines/pegasus/Game_Shell/CItemList.cpp
@@ -0,0 +1,79 @@
+/* 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.
+ *
+ * Additional copyright for this file:
+ * Copyright (C) 1995-1997 Presto Studios
+ *
+ * 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/error.h"
+#include "common/stream.h"
+
+#include "engines/pegasus/Game_Shell/CItem.h"
+#include "engines/pegasus/Game_Shell/CItemList.h"
+
+namespace Pegasus {
+
+// TODO: Don't use global construction!
+CItemList gAllItems;
+
+CItemList::CItemList() {
+}
+
+CItemList::~CItemList() {
+}
+
+Common::Error CItemList::WriteToStream(Common::WriteStream *stream) {
+	stream->writeUint32BE(size());
+
+	for (CItemIterator it = begin(); it != end(); it++) {
+		stream->writeUint16BE((*it)->GetObjectID());
+		(*it)->WriteToStream(stream);
+	}
+
+	if (stream->err())
+		return Common::kWritingFailed;
+	
+	return Common::kNoError;
+}
+
+Common::Error CItemList::ReadFromStream(Common::ReadStream *stream) {
+	uint32 itemCount = stream->readUint32BE();
+
+	for (uint32 i = 0; i < itemCount; i++) {
+		tItemID itemID = stream->readUint16BE();
+		gAllItems.FindItemByID(itemID)->ReadFromStream(stream);
+	}
+
+	if (stream->err())
+		return Common::kReadingFailed;
+	
+	return Common::kNoError;
+}
+
+CItem *CItemList::FindItemByID(const tItemID id) {
+	for (CItemIterator it = begin(); it != end(); it++)
+		if ((*it)->GetObjectID() == id)
+			return *it;
+
+	return 0;
+}
+
+} // End of namespace Pegasus
diff --git a/engines/pegasus/Game_Shell/CItemList.h b/engines/pegasus/Game_Shell/CItemList.h
new file mode 100755
index 0000000000..e2caa09bbc
--- /dev/null
+++ b/engines/pegasus/Game_Shell/CItemList.h
@@ -0,0 +1,60 @@
+/* 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.
+ *
+ * Additional copyright for this file:
+ * Copyright (C) 1995-1997 Presto Studios
+ *
+ * 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 PEGASUS_GAMESHELL_CITEMLIST_H
+#define PEGASUS_GAMESHELL_CITEMLIST_H
+
+#include "common/list.h"
+
+#include "pegasus/Game_Shell/Headers/Game_Shell_Types.h"
+
+namespace Common {
+	class ReadStream;
+	class WriteStream;
+}
+
+namespace Pegasus {
+
+class CItem;
+
+class CItemList : public Common::List<CItem *> {
+public:
+	CItemList();
+	virtual ~CItemList();
+	
+	virtual Common::Error WriteToStream(Common::WriteStream *stream);
+	virtual Common::Error ReadFromStream(Common::ReadStream *stream);
+	
+	CItem *FindItemByID(const tItemID id);
+};
+
+typedef CItemList::iterator CItemIterator;
+
+// TODO: Don't use global construction!
+extern CItemList gAllItems;
+
+} // End of namespace Pegasus
+
+#endif
diff --git a/engines/pegasus/module.mk b/engines/pegasus/module.mk
index 2c07c385ad..ff49b1fa53 100644
--- a/engines/pegasus/module.mk
+++ b/engines/pegasus/module.mk
@@ -10,6 +10,7 @@ MODULE_OBJS = \
 	pegasus.o \
 	video.o \
 	Game_Shell/CItem.o \
+	Game_Shell/CItemList.o \
 	MMShell/Base_Classes/MMFunctionPtr.o \
 	MMShell/Sounds/MMSound.o \
 	MMShell/Utilities/MMResourceFile.o \