Fixed double explosion for Blast Mining, added isSneaking requirement

Changelog.txt

@@ -19,14 +19,12 @@ Version 1.3.06-dev
  = Fixed bug where {0} would be displayed in front of your power level in mcstats
  = Fixed mmoupdate not being useable from console
  = Fixed bug with repairing wooden tools
- = Fixed bug with repairing wooden tools
  = Fixed bug with Nether Wart not awarding XP
  = Fixed bug with fishing treasures when treasures list is empty
  = Fixed bug with only getting one level when there was enough XP for multiple levels.
  = Fixed bugs with the way /mctop displayed
  = Fixed issues with custom characters & locale files.
  ! Changed how we handled the config file to prevent any bugs when returning values
- ! Changed default locale name to en-US rather than en_us for the sake of compliance
  ! Changed locale files to use a new naming scheme. This breaks ALL old locale files. If you want to assist with re-translating anything, go to getlocalization.com/mcMMO
  ! Changed mcremove to check for users in the MySQL DB before sending queries to remove them
  ! Changed how the tree feller threshold worked for the better
@@ -41,6 +39,7 @@ Version 1.3.06-dev
  ! Changed /mcrefresh to work for offline players
  ! Changed UpdateXPBar function to hopefully avoid errors
  ! Changed /party to show offline party members
+ ! Changed Blast Mining requirements, now asks for the player to be crouching
 
 Version 1.3.05
  + Added Skill Shot to Archery which increases damage dealt by 10% every 50 skill levels (caps at 200%)

src/main/java/com/gmail/nossr50/listeners/PlayerListener.java

@@ -232,8 +232,8 @@ public class PlayerListener implements Listener {
             }
 
             /* BLAST MINING CHECK */
-            if (Permissions.getInstance().blastMining(player) && is.getTypeId() == Config.getInstance().getDetonatorItemID()) {
+            if (player.isSneaking() && Permissions.getInstance().blastMining(player) && is.getTypeId() == Config.getInstance().getDetonatorItemID()) {
-                BlastMining.remoteDetonation(player, plugin);
+                BlastMining.detonate(event, player, plugin);
             }
 
             break;
@@ -255,8 +255,8 @@ public class PlayerListener implements Listener {
             Item.itemchecks(player);
 
             /* BLAST MINING CHECK */
-            if (Permissions.getInstance().blastMining(player) && is.getTypeId() == Config.getInstance().getDetonatorItemID()) {
+            if (player.isSneaking() && Permissions.getInstance().blastMining(player) && is.getTypeId() == Config.getInstance().getDetonatorItemID()) {
-                BlastMining.remoteDetonation(player, plugin);
+                BlastMining.detonate(event, player, plugin);
             }
 
             break;

src/main/java/com/gmail/nossr50/skills/BlastMining.java

@@ -14,6 +14,7 @@ import org.bukkit.entity.TNTPrimed;
 import org.bukkit.event.entity.EntityDamageEvent;
 import org.bukkit.event.entity.EntityExplodeEvent;
 import org.bukkit.event.entity.ExplosionPrimeEvent;
+import org.bukkit.event.player.PlayerInteractEvent;
 
 import com.gmail.nossr50.mcMMO;
 import com.gmail.nossr50.datatypes.AbilityType;
@@ -237,32 +238,52 @@ public class BlastMining {
     }
 
     /**
-     * Remotely detonate TNT for Blast Mining.
+     * Detonate TNT for Blast Mining
      *
      * @param player Player detonating the TNT
      * @param plugin mcMMO plugin instance
      */
-    public static void remoteDetonation(Player player, mcMMO plugin) {
+    public static void detonate(PlayerInteractEvent event, Player player, mcMMO plugin) {
+        PlayerProfile PP = Users.getProfile(player);
+
+        if (PP.getSkillLevel(SkillType.MINING) < 125)
+            return;
+
+        Block block = event.getClickedBlock();
+
+        if (block == null || block.getType() != Material.TNT) {
             final byte SNOW = 78;
             final byte AIR = 0;
             final int BLOCKS_AWAY = 100;
-        final int TIME_CONVERSION_FACTOR = 1000;
 
-        PlayerProfile PP = Users.getProfile(player);
             HashSet<Byte> transparent = new HashSet<Byte>();
 
             transparent.add(SNOW);
             transparent.add(AIR);
 
-        Block block = player.getTargetBlock(transparent, BLOCKS_AWAY);
+            block = player.getTargetBlock(transparent, BLOCKS_AWAY);
+
+            if (block.getType() != Material.TNT) {
+                return;
+            }
+        }
+        else if (block.getType() == Material.TNT) {
+            event.setCancelled(true); // This is the only way I know to avoid the original TNT to be triggered (in case the player is close to it)
+        }
+
+        if (!Misc.blockBreakSimulate(block, player, true)) {
+            return;
+        }
 
-        if (block.getType().equals(Material.TNT) && Misc.blockBreakSimulate(block, player, true) && PP.getSkillLevel(SkillType.MINING) >= 125) {
         final double MAX_DISTANCE_AWAY = 10.0;
+        final int TIME_CONVERSION_FACTOR = 1000;
+
         AbilityType ability = AbilityType.BLAST_MINING;
 
         /* Check Cooldown */
         if(!Skills.cooldownOver(PP.getSkillDATS(ability) * TIME_CONVERSION_FACTOR, ability.getCooldown())) {
             player.sendMessage(LocaleLoader.getString("Skills.TooTired") + ChatColor.YELLOW + " (" + Skills.calculateTimeLeft(PP.getSkillDATS(ability) * TIME_CONVERSION_FACTOR, ability.getCooldown()) + "s)");
+
             return;
         }
 
@@ -278,11 +299,12 @@ public class BlastMining {
         /* Create the TNT entity */
         TNTPrimed tnt = player.getWorld().spawn(block.getLocation(), TNTPrimed.class);
         plugin.tntTracker.put(tnt.getEntityId(), player);
-            block.setType(Material.AIR);
         tnt.setFuseTicks(0);
 
+        /* Disable the original one */
+        block.setType(Material.AIR);
+
         PP.setSkillDATS(ability, System.currentTimeMillis()); //Save DATS for Blast Mining
         PP.setAbilityInformed(ability, false);
     }
-    }
 }