Added logging utility.

platform/include/Logger.h

@@ -0,0 +1,13 @@
+#ifndef INCLUDE_LOGGER_H
+#define INCLUDE_LOGGER_H
+namespace WalrusRPG
+{
+    namespace Logger
+    {
+        void log(const char *fmt, ...);
+        void debug(const char *fmt, ...);
+        void warn(const char *fmt, ...);
+        void error(const char *fmt, ...);
+    }
+}
+#endif

platform/nspire/Logger.cpp

@@ -0,0 +1,19 @@
+#include "Logger.h"
+
+using namespace WalrusRPG;
+
+void Logger::log(const char *fmt, ...)
+{
+}
+
+void Logger::debug(const char *fmt, ...)
+{
+}
+
+void Logger::warn(const char *fmt, ...)
+{
+}
+
+void Logger::error(const char *fmt, ...)
+{
+}

platform/sfml/Logger.cpp

@@ -0,0 +1,37 @@
+#include "Logger.h"
+#include <stdio.h>
+#include <stdarg.h>
+
+using namespace WalrusRPG;
+
+void Logger::log(const char *fmt, ...)
+{
+    printf(" [LOG] : ");
+    va_list args;
+    va_start(args, fmt);
+    vprintf(fmt, args);
+}
+
+void Logger::debug(const char *fmt, ...)
+{
+    printf("[DEBUG]: ");
+    va_list args;
+    va_start(args, fmt);
+    vprintf(fmt, args);
+}
+
+void Logger::warn(const char *fmt, ...)
+{
+    printf("[WARN] : ");
+    va_list args;
+    va_start(args, fmt);
+    vprintf(fmt, args);
+}
+
+void Logger::error(const char *fmt, ...)
+{
+    printf("[ERROR]: ");
+    va_list args;
+    va_start(args, fmt);
+    vprintf(fmt, args);
+}