interface cleanup

1 files changed, 37 insertions, 0 deletions

diff --git a/src/core/gameinterface.cc b/src/core/gameinterface.cc
new file mode 100644
index 0000000..964da2d
--- /dev/null
+++ b/src/core/gameinterface.cc
@@ -0,0 +1,37 @@
+/*
+   core/game.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/gameinterface.h"
+
+#include <iostream>
+
+#include <stdlib.h>
+
+namespace core {
+
+GameInterface *GameInterface::gameinterface_instance = 0;
+
+GameInterface::GameInterface()
+{
+	if (gameinterface_instance) {
+		std::cerr << "multiple singleton instances: core::GameInterface" << std::endl;
+		exit(2);
+	}
+	gameinterface_instance = this;
+}
+
+GameInterface::~GameInterface()
+{
+	gameinterface_instance = 0;
+}
+
+GameInterface *GameInterface::instance()
+{
+	return gameinterface_instance;
+}
+
+}
+