Prevent accidentally breaking regrown crops

Adds #828

Changelog.txt

@@ -8,6 +8,7 @@ Key:
   - Removal
 
 Version 1.5.01-dev
+ + Added new feature to Herbalism. Instantly-regrown crops are protected from being broken for 1 second
  + Added option to config.yml to show the /mcstats scoreboard automatically after logging in
  + Added support for `MATERIAL|data` format in treasures.yml
  = Fixed bug where the Updater was running on the main thread.

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

@@ -34,6 +34,7 @@ import com.gmail.nossr50.events.fake.FakeBlockDamageEvent;
 import com.gmail.nossr50.runnables.StickyPistonTrackerTask;
 import com.gmail.nossr50.skills.alchemy.Alchemy;
 import com.gmail.nossr50.skills.excavation.ExcavationManager;
+import com.gmail.nossr50.skills.herbalism.Herbalism;
 import com.gmail.nossr50.skills.herbalism.HerbalismManager;
 import com.gmail.nossr50.skills.mining.MiningManager;
 import com.gmail.nossr50.skills.smelting.SmeltingManager;
@@ -227,6 +228,11 @@ public class BlockListener implements Listener {
         BlockState blockState = event.getBlock().getState();
         ItemStack heldItem = player.getItemInHand();
 
+        if (Herbalism.isRecentlyRegrown(blockState)) {
+            event.setCancelled(true);
+            return;
+        }
+
         if (ItemUtils.isSword(heldItem)) {
             HerbalismManager herbalismManager = UserManager.getPlayer(player).getHerbalismManager();
 

src/main/java/com/gmail/nossr50/mcMMO.java

@@ -107,6 +107,7 @@ public class mcMMO extends JavaPlugin {
     public final static String customDamageKey     = "mcMMO: Custom Damage";
     public final static String disarmedItemKey     = "mcMMO: Disarmed Item";
     public final static String playerDataKey       = "mcMMO: Player Data";
+    public final static String greenThumbDataKey   = "mcMMO: Green Thumb";
 
     public static FixedMetadataValue metadataValue;
 

src/main/java/com/gmail/nossr50/skills/herbalism/Herbalism.java

@@ -8,6 +8,7 @@ import org.bukkit.material.SmoothBrick;
 
 import com.gmail.nossr50.mcMMO;
 import com.gmail.nossr50.config.AdvancedConfig;
+import com.gmail.nossr50.util.skills.SkillUtils;
 
 public class Herbalism {
     public static int farmersDietRankLevel1 = AdvancedConfig.getInstance().getFarmerDietRankChange();
@@ -93,4 +94,14 @@ public class Herbalism {
                 return false;
         }
     }
+
+    /**
+     * Check if the block has a recently grown crop from Green Thumb
+     *
+     * @param blockState The {@link BlockState} to check green thumb regrown for
+     * @return true if the block is recently regrown, false otherwise
+     */
+    public static boolean isRecentlyRegrown(BlockState blockState) {
+        return blockState.hasMetadata(mcMMO.greenThumbDataKey) && !SkillUtils.cooldownExpired(blockState.getMetadata(mcMMO.greenThumbDataKey).get(0).asInt(), 1);
+    }
 }

src/main/java/com/gmail/nossr50/skills/herbalism/HerbalismManager.java

@@ -14,6 +14,7 @@ import org.bukkit.material.CocoaPlant;
 import org.bukkit.material.CocoaPlant.CocoaPlantSize;
 import org.bukkit.material.Crops;
 import org.bukkit.material.NetherWarts;
+import org.bukkit.metadata.FixedMetadataValue;
 
 import com.gmail.nossr50.mcMMO;
 import com.gmail.nossr50.config.Config;
@@ -330,6 +331,8 @@ public class HerbalismManager extends SkillManager {
     private boolean handleBlockState(BlockState blockState, boolean greenTerra) {
         byte greenThumbStage = getGreenThumbStage();
 
+        blockState.setMetadata(mcMMO.greenThumbDataKey, new FixedMetadataValue(mcMMO.p, (int) (System.currentTimeMillis() / Misc.TIME_CONVERSION_FACTOR)));
+
         switch (blockState.getType()) {
             case CROPS:
                 Crops crops = (Crops) blockState.getData();