Added support for map properties, which minimap and background music

functionality can be based upon.

4 files changed, 59 insertions, 1 deletions

diff --git a/src/engine.cpp b/src/engine.cpp
index 973523ed..9c39b3aa 100644
--- a/src/engine.cpp
+++ b/src/engine.cpp
@@ -492,6 +492,8 @@ void Engine::draw()
     std::stringstream debugStream;
     debugStream << "[" << fps << " fps] " <<
         (mouseX / 32 + camera_x) << ", " << (mouseY / 32 + camera_y);
+    debugStream << " [music: " << tiledMap->getProperty("music") << "]";
+    debugStream << " [minimap: " << tiledMap->getProperty("minimap") << "]";
     debugInfo->setCaption(debugStream.str());
     debugInfo->adjustSize();
 }
diff --git a/src/map.cpp b/src/map.cpp
index 5f522dfb..24c9b5b4 100644
--- a/src/map.cpp
+++ b/src/map.cpp
@@ -177,6 +177,28 @@ int Map::getTileHeight()
     return tileHeight;
 }
 
+std::string Map::getProperty(const std::string &name)
+{
+    std::map<std::string,std::string>::iterator i = properties.find(name);
+
+    if (i != properties.end())
+    {
+        return (*i).second;
+    }
+
+    return "";
+}
+
+bool Map::hasProperty(const std::string &name)
+{
+    return (properties.find(name) != properties.end());
+}
+
+void Map::setProperty(const std::string &name, const std::string &value)
+{
+    properties[name] = value;
+}
+
 std::list<PATH_NODE> Map::findPath(
         int startX, int startY, int destX, int destY)
 {
diff --git a/src/map.h b/src/map.h
index d3bf20b1..02bea4a2 100644
--- a/src/map.h
+++ b/src/map.h
@@ -159,11 +159,30 @@ class Map
         std::list<PATH_NODE> findPath(
                 int startX, int startY, int destX, int destY);
 
+        /**
+         * Get a map property.
+         *
+         * @return the value of the given property or an empty string when it
+         *         doesn't exist.
+         */
+        std::string getProperty(const std::string &name);
+
+        /**
+         * Returns whether a certain property is available.
+         */
+        bool hasProperty(const std::string &name);
+
+        /**
+         * Set a map property.
+         */
+        void setProperty(const std::string &name, const std::string &value);
+
     private:
         int width, height;
         int tileWidth, tileHeight;
         MetaTile *metaTiles;
         Image **tiles;
+        std::map<std::string,std::string> properties;
 
         // Pathfinding members
         int onClosedList, onOpenList;
diff --git a/src/resources/mapreader.cpp b/src/resources/mapreader.cpp
index da7364a4..b62e6029 100644
--- a/src/resources/mapreader.cpp
+++ b/src/resources/mapreader.cpp
@@ -106,7 +106,22 @@ Map* MapReader::readMap(xmlNodePtr node, const std::string &path)
 
     for (node = node->xmlChildrenNode; node != NULL; node = node->next)
     {
-        if (xmlStrEqual(node->name, BAD_CAST "tileset"))
+        if (xmlStrEqual(node->name, BAD_CAST "property"))
+        {
+            // Example: <property name="name" value="value"/>
+
+            xmlChar *name = xmlGetProp(node, BAD_CAST "name");
+            xmlChar *value = xmlGetProp(node, BAD_CAST "value");
+
+            if (name && value)
+            {
+                map->setProperty((const char*)name, (const char*)value);
+            }
+
+            if (name) xmlFree(name);
+            if (value) xmlFree(value);
+        }
+        else if (xmlStrEqual(node->name, BAD_CAST "tileset"))
         {
             Tileset *tileset = readTileset(node, pathDir, map);
             if (tileset) {