Fix: Snakes - Show message when not specified background images

locallib.php

@@ -1596,11 +1596,14 @@ function game_snakes_create_user_defined_board( &$game)
         require("snakes/createboard.php");
         $fs = get_file_storage();
         $files = $fs->get_area_files($modcontext->id, 'mod_game', 'snakes_file', $game->id);
+        $f = false;
         foreach ($files as $f) {
             if( $f->is_directory())
                 continue;
             break;
         }
+        if( $f === false)
+            print_error( 'No image specified');
         $im=game_createsnakesboard($f->get_content(), $board->cols, $board->rows, $board->headery, $board->headery, $board->footerx, $board->headerx, $board->data, $board->width, $board->height);
         ob_start();
         imagepng($im);

version.php

@@ -11,7 +11,7 @@
 defined('MOODLE_INTERNAL') || die();
 
 $module->component = 'mod_game';  // Full name of the plugin (used for diagnostics)
-$module->version   = 2013012703;  // The current module version (Date: YYYYMMDDXX)
+$module->version   = 2013012704;  // The current module version (Date: YYYYMMDDXX)
 $module->requires  = 2010112400;  // Requires Moodle 2.0
 $module->cron      = 0;           // Period for cron to check this module (secs)
-$module->release   = 'v.2.13.27 (2013012703)';
+$module->release   = 'v.2.13.27 (2013012704)';