change to (hopefully) prevent index out of bounds exception + return "-" when fromPercentage == 0

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>de.lunarakai</groupId>
     <artifactId>Minecleaner</artifactId>
-    <version>1.0.3c</version>
+    <version>1.0.4</version>
     <packaging>jar</packaging>
 
     <name>Minecleaner</name>

src/main/java/de/lunarakai/minecleaner/MinecleanerArena.java

@@ -600,10 +600,12 @@ public class MinecleanerArena {
         return blockDisplays;
     }
 
-    public int getSize() {
+    public int getArenaWidth() {
         return BoardSize.boardSizesWidth[widthIndex];
     }
 
+    public int getArenaHeight() { return BoardSize.boardSizesHeight[widthIndex]; }
+
     public long getCurrentGameStartTime() {
         return currentGameStartTime;
     }

src/main/java/de/lunarakai/minecleaner/MinecleanerListener.java

@@ -72,9 +72,13 @@ public class MinecleanerListener implements Listener {
                             if(e.getAction() == Action.RIGHT_CLICK_BLOCK) {
                                 hasRightClicked = true;
                             }
-                            //player.sendMessage("Arena click! " + blockxInt + " " + blockzInt + " Right Clicked: " + hasRightClicked);
+
+                            if(blockzInt < arena.getArenaWidth() && blockxInt < arenaClicked.getArenaHeight()) {
                                 plugin.getManager().handleFieldClick(e.getPlayer(), blockzInt, blockxInt, hasRightClicked);
                             }
+                            //player.sendMessage("Arena click! " + blockxInt + " " + blockzInt + " Right Clicked: " + hasRightClicked);
+
+                        }
                     }
                 }
             } else {

src/main/java/de/lunarakai/minecleaner/utils/MinecleanerStringUtil.java

@@ -30,6 +30,9 @@ public class MinecleanerStringUtil {
     }
 
     public static String percentageString(int whatPercentage, int fromPercentage) {
+        if(fromPercentage == 0) {
+            return "-";
+        }
         float percent = (float) whatPercentage/fromPercentage;
         percent = percent * 100;
         String percentageString = String.format("%.1f", percent);