1 files changed, 166 insertions, 0 deletions
diff --git a/engines/titanic/messages/messages.cpp b/engines/titanic/messages/messages.cpp
new file mode 100644
index 0000000000..5f587c975d
--- /dev/null
+++ b/engines/titanic/messages/messages.cpp
@@ -0,0 +1,166 @@
+/* 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/messages/messages.h"
+#include "titanic/messages/mouse_messages.h"
+#include "titanic/core/game_object.h"
+#include "titanic/core/message_target.h"
+#include "titanic/core/tree_item.h"
+#include "titanic/titanic.h"
+
+namespace Titanic {
+
+CMessage::CMessage() : CSaveableObject() {
+}
+
+void CMessage::save(SimpleFile *file, int indent) {
+	file->writeNumberLine(0, indent);
+}
+
+void CMessage::load(SimpleFile *file) {
+	file->readNumber();
+	CSaveableObject::load(file);
+}
+
+bool CMessage::execute(CTreeItem *target, const ClassDef *classDef, int flags) {
+	// If no target was specified, then there's nothing to do
+	if (!target)
+		return false;
+
+	bool result = false;
+	CTreeItem *item = target;
+	CTreeItem *nextItem = nullptr;
+	do {
+		if (flags & MSGFLAG_SCAN)
+			nextItem = item->scan(target);
+
+		if (!classDef || item->isInstanceOf(classDef)) {
+			bool handled = perform(item);
+
+			if (handled) {
+				result = true;
+				if (flags & MSGFLAG_BREAK_IF_HANDLED)
+					return true;
+			}
+		}
+
+		item = nextItem;
+	} while (nextItem);
+
+	return result;
+}
+
+bool CMessage::execute(const CString &target, const ClassDef *classDef, int flags) {
+	// Scan for the target by name
+	CProjectItem *project = g_vm->_window->_project;
+	for (CTreeItem *treeItem = project; treeItem; treeItem = treeItem->scan(project)) {
+		if (!treeItem->getName().compareToIgnoreCase(target))
+			return execute(treeItem, classDef, flags);
+	}
+
+	return false;
+}
+
+const MSGMAP_ENTRY *CMessage::findMapEntry(const CTreeItem *treeItem, const ClassDef *classDef) {
+	// Iterate through the class and any parent classes
+	for (const MSGMAP *msgMap = treeItem->getMessageMap(); msgMap->pFnGetBaseMap;
+			msgMap = msgMap->pFnGetBaseMap()) {
+		// Iterate through the map entries for this class
+		for (const MSGMAP_ENTRY *entry = msgMap->lpEntries;
+				entry->_class != nullptr; ++entry) {
+			// Check if the class or any of it's ancesotrs is handled by this entry
+			for (const ClassDef *entryDef = entry->_class; entryDef; entryDef = entryDef->_parent) {
+				if (entryDef == classDef)
+					return entry;
+			}			
+		}
+	}
+
+	return nullptr;
+}
+
+bool CMessage::perform(CTreeItem *treeItem) {
+	const MSGMAP_ENTRY *entry = findMapEntry(treeItem, getType());
+	return entry && (*treeItem.*(entry->_fn))(this);
+}
+
+bool CMessage::supports(const CTreeItem *treeItem, ClassDef *classDef) {
+	return findMapEntry(treeItem, classDef) != nullptr;
+}
+
+bool CMessage::isMouseMsg() const {
+	return dynamic_cast<const CMouseMsg *>(this) != nullptr;
+}
+
+bool CMessage::isButtonDownMsg() const {
+	return dynamic_cast<const CMouseButtonDownMsg *>(this) != nullptr;
+}
+
+bool CMessage::isButtonUpMsg() const {
+	return dynamic_cast<const CMouseButtonUpMsg *>(this) != nullptr;
+}
+
+bool CMessage::isMouseMoveMsg() const {
+	return dynamic_cast<const CMouseMoveMsg *>(this) != nullptr;
+}
+
+bool CMessage::isDoubleClickMsg() const {
+	return dynamic_cast<const CMouseDoubleClickMsg *>(this) != nullptr;
+}
+
+bool CMessage::isEnterRoomMsg() const {
+	return dynamic_cast<const CEnterRoomMsg *>(this) != nullptr;
+}
+
+bool CMessage::isPreEnterRoomMsg() const {
+	return dynamic_cast<const CPreEnterRoomMsg *>(this) != nullptr;
+}
+
+bool CMessage::isleaveRoomMsg() const {
+	return dynamic_cast<const CLeaveRoomMsg *>(this) != nullptr;
+}
+
+bool CMessage::isEnterNodeMsg() const {
+	return dynamic_cast<const CEnterNodeMsg *>(this) != nullptr;
+}
+
+bool CMessage::isPreEnterNodeMsg() const {
+	return dynamic_cast<const CPreEnterNodeMsg *>(this) != nullptr;
+}
+
+bool CMessage::isLeaveNodeMsg() const {
+	return dynamic_cast<const CLeaveNodeMsg *>(this) != nullptr;
+}
+
+bool CMessage::isEnterViewMsg() const {
+	return dynamic_cast<const CEnterViewMsg *>(this) != nullptr;
+}
+
+bool CMessage::isPreEnterViewMsg() const {
+	return dynamic_cast<const CPreEnterViewMsg *>(this) != nullptr;
+}
+
+bool CMessage::isLeaveViewMsg() const {
+	return dynamic_cast<const CLeaveViewMsg *>(this) != nullptr;
+}
+
+} // End of namespace Titanic