1 files changed, 60 insertions, 0 deletions
diff --git a/src/components/EventListener.hpp b/src/components/EventListener.hpp
new file mode 100644
index 0000000..77a004e
--- /dev/null
+++ b/src/components/EventListener.hpp
@@ -0,0 +1,60 @@
+/**
+ * @file EventListener.hpp
+ * Allows entities to receive events and handle them in Lua.
+ *
+ * Copyright (C) 2019 Clyne Sullivan
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef COMPONENT_EVENTLISTENER_HPP_
+#define COMPONENT_EVENTLISTENER_HPP_
+
+#include "Component.hpp"
+
+struct EventListener : Component<EventListener>
+{
+public:
+    sol::table listeners;
+
+    EventListener(sol::table _listeners) :
+        listeners(_listeners) {}
+
+    ~EventListener(void) {}
+
+    void cleanup(void) {
+        listeners = sol::nil;
+    }
+
+    EventListener FromLua([[maybe_unused]] sol::object ref)
+    {
+        return *this;
+    }
+
+    void tryListener(const std::string& name, sol::table& self)
+    {
+        if (listeners[name] == sol::type::function)
+            listeners[name](self);
+    }
+
+    void serialize([[maybe_unused]] cereal::JSONOutputArchive& ar) final {}
+    void serialize([[maybe_unused]] cereal::JSONInputArchive& ar) final {}
+
+    std::string serializeName(void) const final {
+        return "EventListener";
+    }
+};
+
+#endif // COMPONENT_EVENTLISTENER_HPP_
+