write garbage for BMap dll

BMap/BMExports.cpp

@@ -1,9 +1,24 @@
 #include "BMExports.hpp"
+#include <IronPad.hpp>
+#include <set>
+
+static std::set<BMap::BMFile*> g_AllBMFiles = std::set<BMap::BMFile*>();
 
 void BMInit() {
-	
+	// register IronPad
+	IronPad::IronPadRegister();
+	// and startup CK environment
+	LibCmo::CK2::CKStartUp();
 }
 
 void BMDispose() {
-	
+	// free all existed file reader / writer
+	for (auto ptr : g_AllBMFiles) {
+		delete ptr;
+	}
+	g_AllBMFiles.clear();
+	// shutdown CK environment
+	LibCmo::CK2::CKShutdown();
+	// unregister iron pad
+	IronPad::IronPadUnregister();
 }