added new utility to check if a file exists on system.

projects/mtg/include/utils.h

@@ -119,3 +119,4 @@ u32 ramAvailable(void);
 
 #endif
 
+bool FileExists(const string& strFilename);

projects/mtg/src/utils.cpp

@@ -5,6 +5,7 @@
 #include "Subtypes.h"
 #include "WResourceManager.h"
 #include "WFont.h"
+#include <sys/stat.h>
 
 namespace wagic
 {
@@ -297,3 +298,28 @@ std::string wordWrap(const std::string& sentence, float width, int fontId)
     return retVal;
 }
 
+
+bool FileExists(const string& strFilename) { 
+  struct stat stFileInfo; 
+  bool blnReturn; 
+  int intStat; 
+
+  // Attempt to get the file attributes 
+  intStat = stat(strFilename.c_str(),&stFileInfo); 
+  if(intStat == 0) { 
+    // We were able to get the file attributes 
+    // so the file obviously exists. 
+    blnReturn = true; 
+  } else { 
+    // We were not able to get the file attributes. 
+    // This may mean that we don't have permission to 
+    // access the folder which contains this file. If you 
+    // need to do that level of checking, lookup the 
+    // return values of stat which will give you 
+    // more details on why stat failed. 
+    blnReturn = false; 
+  } 
+   
+  return(blnReturn); 
+}
+