Add basic npc dialog db loading.

1 files changed, 142 insertions, 0 deletions

diff --git a/src/resources/db/npcdialogdb.cpp b/src/resources/db/npcdialogdb.cpp
new file mode 100644
index 000000000..79918307a
--- /dev/null
+++ b/src/resources/db/npcdialogdb.cpp
@@ -0,0 +1,142 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2011-2015  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  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
+ *  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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "resources/db/npcdialogdb.h"
+
+#include "configuration.h"
+#include "logger.h"
+
+#include "resources/beingcommon.h"
+
+#include "utils/dtor.h"
+
+#include "debug.h"
+
+namespace
+{
+    bool mLoaded = false;
+    NpcDialogDB::Dialogs mDialogs;
+}
+
+void NpcDialogDB::load()
+{
+    if (mLoaded)
+        unload();
+
+    logger->log1("Loading npcdialog database...");
+    loadXmlFile(paths.getStringValue("npcDialogsFile"));
+    loadXmlFile(paths.getStringValue("npcDialogsPatchFile"));
+    loadXmlDir("npcDialogsPatchDir", loadXmlFile);
+
+    mLoaded = true;
+}
+
+static void loadNpcDialog(NpcDialogInfo *const dialog,
+                          const XmlNodePtrConst node)
+{
+    for_each_xml_child_node(childNode, node)
+    {
+        if (xmlNameEqual(childNode, "button"))
+        {
+            const std::string name = XML::getProperty(childNode, "name", "");
+            if (name.empty())
+                continue;
+
+            const std::string value = XML::getProperty(childNode, "value", "");
+            if (value.empty())
+                continue;
+
+            NpcButtonInfo *const button = new NpcButtonInfo;
+            button->x = XML::getIntProperty(
+                childNode, "x", 0, 0, 10000);
+            button->y = XML::getIntProperty(
+                childNode, "y", 0, 0, 10000);
+            button->name = name;
+            button->value = value;
+            dialog->buttons.push_back(button);
+        }
+    }
+}
+
+void NpcDialogDB::loadXmlFile(const std::string &fileName)
+{
+    XML::Document *const doc = new XML::Document(fileName,
+        UseResman_true,
+        SkipError_false);
+
+    const XmlNodePtrConst root = doc->rootNode();
+    if (!root)
+    {
+        delete doc;
+        return;
+    }
+
+    for_each_xml_child_node(node, root)
+    {
+        if (xmlNameEqual(node, "dialog"))
+        {
+            const std::string name = XML::getProperty(node, "name", "");
+            if (name.empty())
+                continue;
+
+            deleteDialog(name);
+            NpcDialogInfo *const dialog = new NpcDialogInfo;
+            dialog->name = name;
+            mDialogs[name] = dialog;
+            loadNpcDialog(dialog, node);
+        }
+        else if (xmlNameEqual(node, "include"))
+        {
+            const std::string name = XML::getProperty(node, "name", "");
+            if (!name.empty())
+                loadXmlFile(name);
+            continue;
+        }
+    }
+
+    delete doc;
+}
+
+void NpcDialogDB::deleteDialog(const std::string &name)
+{
+    DialogsIter it = mDialogs.find(name);
+    if (it == mDialogs.end())
+        return;
+
+    NpcDialogInfo *dialog = (*it).second;
+    delete_all(dialog->buttons);
+    mDialogs.erase(it);
+    delete dialog;
+}
+
+void NpcDialogDB::unload()
+{
+    logger->log1("Unloading npcdialog database...");
+
+    FOR_EACH(DialogsIter, it, mDialogs)
+    {
+        NpcDialogInfo *dialog = (*it).second;
+        delete_all(dialog->buttons);
+        delete dialog;
+    }
+    mDialogs.clear();
+
+    mLoaded = false;
+}