Added Interface Logger

Added Class WindowsLogger which logs messages via the Windows MessageBox function
~G2k

src/WindowsLogger.cpp

@@ -0,0 +1,47 @@
+#include <cstdlib>
+#include "WindowsLogger.h"
+#include <windows.h>
+namespace OpenArena
+{
+	WindowsLogger::WindowsLogger()
+	{
+		_type = MESSAGETYPE_ALL;
+	}
+
+	WindowsLogger::~WindowsLogger(void)
+	{
+	}
+
+	WindowsLogger::WindowsLogger(Logger::MessageType type)
+	{
+		_type = type;
+	}
+
+	void WindowsLogger::Log(const char* message, MessageType type)
+	{
+		Log(message, "unspecified", type);
+	}
+
+	void WindowsLogger::Log(const char* message, const char* classification, MessageType type)
+	{
+		if(_type != MESSAGETYPE_NONE || _type == type || _type == MESSAGETYPE_ALL)
+		{
+			MessageBox(NULL, message, classification, MB_OK | GetIconFromMessageType(type));
+		}
+	}
+
+	uint32 WindowsLogger::GetIconFromMessageType(MessageType type)
+	{
+		switch (type)
+		{
+		case MESSAGETYPE_ERROR:
+			return MB_ICONERROR;
+		case MESSAGETYPE_INFORMATION:
+			return MB_ICONINFORMATION;
+		case MESSAGETYPE_DEBUG:
+			return MB_ICONWARNING;
+		default:
+			return MB_ICONASTERISK;
+		};
+	}
+};