entity extensions

1 files changed, 29 insertions, 0 deletions

diff --git a/src/core/extension.cc b/src/core/extension.cc
new file mode 100644
index 0000000..7106fa5
--- /dev/null
+++ b/src/core/extension.cc
@@ -0,0 +1,29 @@
+/*
+   core/extension.cc
+   This file is part of the Osirion project and is distributed under
+   the terms of the GNU General Public License version 2
+*/
+
+#include "core/extension.h"
+
+namespace core
+{
+
+Extension::Extension(Type type, Entity *entity)
+{
+	extension_entity = entity;
+	extension_type = type;
+
+	if (entity)
+		entity->entity_extension[(size_t) type] = this;
+}
+
+Extension::~Extension()
+{
+	if (extension_entity)
+		extension_entity->entity_extension[(size_t) extension_type] = 0;
+}
+
+
+} // namespace core
+