Added two new placeholders:

%mmocore_profession_experience_<profession>%
%mmocore_profession_next_level_<profession>%
(more information on the wiki)

API Changes:
CustomBlockMineEvent now has a new method to check if the block was actually broken or not.

src/main/java/net/Indyuce/mmocore/api/event/CustomBlockMineEvent.java

@@ -22,9 +22,10 @@ public class CustomBlockMineEvent extends PlayerDataEvent implements Cancellable
 	private final List<ItemStack> drops;
 	private final ExperienceInfo experience;
 
+	private boolean canBreak;
 	private boolean cancelled = false;
 
-	public CustomBlockMineEvent(PlayerData player, Block block, BlockInfo info) {
+	public CustomBlockMineEvent(PlayerData player, Block block, BlockInfo info, boolean canBreak) {
 		super(player);
 
 		this.block = block;
@@ -33,6 +34,7 @@ public class CustomBlockMineEvent extends PlayerDataEvent implements Cancellable
 				&& info.getDropTable().areConditionsMet(new ConditionInstance(player.getPlayer())))
 					? info.collectDrops(new LootBuilder(player, 0)) : new ArrayList<>();
 		this.experience = info.hasExperience() ? info.getExperience().newInfo() : null;
+		this.canBreak = canBreak;
 	}
 
 	public Block getBlock() {
@@ -55,6 +57,14 @@ public class CustomBlockMineEvent extends PlayerDataEvent implements Cancellable
 		return experience;
 	}
 
+	public boolean canBreak() {
+		return canBreak;
+	}
+
+	public void setCanBreak(boolean value) {
+		canBreak = value;
+	}
+
 	@Override
 	public boolean isCancelled() {
 		return cancelled;

src/main/java/net/Indyuce/mmocore/api/experience/PlayerProfessions.java

@@ -76,7 +76,7 @@ public class PlayerProfessions {
 	}
 
 	public int getLevel(String profession) {
-		return Math.max(1, level.containsKey(profession) ? level.get(profession) : 1);
+		return Math.max(1, level.getOrDefault(profession, 1));
 	}
 
 	public int getLevel(Profession profession) {
@@ -84,7 +84,7 @@ public class PlayerProfessions {
 	}
 
 	public int getExperience(String id) {
-		return exp.containsKey(id) ? exp.get(id) : 0;
+		return exp.getOrDefault(id, 0);
 	}
 
 	public int getExperience(Profession profession) {
@@ -95,6 +95,11 @@ public class PlayerProfessions {
 		return profession.getExpCurve().getExperience(getLevel(profession) + 1);
 	}
 
+	public int getLevelUpExperience(String id) {
+		if(!MMOCore.plugin.professionManager.has(id)) return 0;
+		return MMOCore.plugin.professionManager.get(id).getExpCurve().getExperience(getLevel(id) + 1);
+	}
+
 	public void setLevel(Profession profession, int value) {
 		level.put(profession.getId(), value);
 	}

src/main/java/net/Indyuce/mmocore/comp/placeholder/RPGPlaceholders.java

@@ -1,12 +1,5 @@
 package net.Indyuce.mmocore.comp.placeholder;
 
-import org.bukkit.Bukkit;
-import org.bukkit.ChatColor;
-import org.bukkit.OfflinePlayer;
-import org.bukkit.attribute.Attribute;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
 import me.clip.placeholderapi.expansion.PlaceholderExpansion;
 import net.Indyuce.mmocore.MMOCore;
 import net.Indyuce.mmocore.api.experience.PlayerProfessions;
@@ -15,6 +8,12 @@ import net.Indyuce.mmocore.api.player.PlayerData;
 import net.Indyuce.mmocore.api.player.stats.StatType;
 import net.Indyuce.mmocore.api.quest.PlayerQuests;
 import net.mmogroup.mmolib.api.util.AltChar;
+import org.bukkit.Bukkit;
+import org.bukkit.ChatColor;
+import org.bukkit.OfflinePlayer;
+import org.bukkit.attribute.Attribute;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 public class RPGPlaceholders extends PlaceholderExpansion {
     @Override
@@ -74,9 +73,7 @@ public class RPGPlaceholders extends PlaceholderExpansion {
 			double ratio = 20 * player.getPlayer().getHealth()
 				/ player.getPlayer().getAttribute(Attribute.GENERIC_MAX_HEALTH).getValue();
 			for (double j = 1; j < 20; j++)
-				format.append((ratio >= j ? ChatColor.RED
+				format.append(ratio >= j ? ChatColor.RED : ratio >= j - .5 ? ChatColor.DARK_RED : ChatColor.DARK_GRAY).append(AltChar.listSquare);
-						: ratio >= j - .5 ? ChatColor.DARK_RED : ChatColor.DARK_GRAY)
-						+ AltChar.listSquare);
 			return format.toString();
 		}
 		
@@ -98,6 +95,14 @@ public class RPGPlaceholders extends PlaceholderExpansion {
 					: MMOCore.plugin.configManager.noSkillBoundPlaceholder;
 		}
 
+		else if (identifier.startsWith("profession_experience_"))
+			return "" + PlayerData.get(player).getCollectionSkills()
+					.getExperience(identifier.substring(22).replace(" ", "-").replace("_", "-").toLowerCase());
+
+		else if (identifier.startsWith("profession_next_level_"))
+			return "" + PlayerData.get(player).getCollectionSkills()
+					.getLevelUpExperience(identifier.substring(21).replace(" ", "-").replace("_", "-").toLowerCase());
+
 		else if (identifier.startsWith("profession_"))
 			return "" + PlayerData.get(player).getCollectionSkills()
 					.getLevel(identifier.substring(11).replace(" ", "-").replace("_", "-").toLowerCase());
@@ -148,14 +153,12 @@ public class RPGPlaceholders extends PlaceholderExpansion {
 			return MMOCore.plugin.configManager.decimal.format(PlayerData.get(player).getStamina());
 
 		else if (identifier.equals("stamina_bar")) {
-			String format = "";
+			StringBuilder format = new StringBuilder();
 			PlayerData data = PlayerData.get(player);
 			double ratio = 20 * data.getStamina() / data.getStats().getStat(StatType.MAX_STAMINA);
 			for (double j = 1; j < 20; j++)
-				format += (ratio >= j ? MMOCore.plugin.configManager.staminaFull
+				format.append(ratio >= j ? MMOCore.plugin.configManager.staminaFull : ratio >= j - .5 ? MMOCore.plugin.configManager.staminaHalf : MMOCore.plugin.configManager.staminaEmpty).append(AltChar.listSquare);
-						: ratio >= j - .5 ? MMOCore.plugin.configManager.staminaHalf : MMOCore.plugin.configManager.staminaEmpty)
+			return format.toString();
-						+ AltChar.listSquare;
-			return format;
 		}
 
 		else if (identifier.startsWith("stat_")) {
@@ -167,12 +170,12 @@ public class RPGPlaceholders extends PlaceholderExpansion {
 			return MMOCore.plugin.configManager.decimal.format(PlayerData.get(player).getStellium());
 
 		else if (identifier.equals("stellium_bar")) {
-			String format = "";
+			StringBuilder format = new StringBuilder();
 			PlayerData data = PlayerData.get(player);
 			double ratio = 20 * data.getStellium() / data.getStats().getStat(StatType.MAX_STELLIUM);
 			for (double j = 1; j < 20; j++)
-				format += (ratio >= j ? ChatColor.BLUE : ratio >= j - .5 ? ChatColor.AQUA : ChatColor.WHITE) + AltChar.listSquare;
+				format.append(ratio >= j ? ChatColor.BLUE : ratio >= j - .5 ? ChatColor.AQUA : ChatColor.WHITE).append(AltChar.listSquare);
-			return format;
+			return format.toString();
 		}
 
 		else if (identifier.equals("quest")) {

src/main/java/net/Indyuce/mmocore/listener/BlockListener.java

@@ -76,20 +76,21 @@ public class BlockListener implements Listener {
 			return;
 		}
 
+		boolean canBreak = true;
+		ItemStack item = player.getInventory().getItemInMainHand();
+		if (!MMOCore.plugin.restrictionManager.checkPermissions(item, info.getBlock())) {
+			MMOCore.plugin.configManager.getSimpleMessage("cannot-break").send(player);
+			canBreak = false;
+		}
+
 		/*
 		 * Calls the event and listen for cancel & for drops changes... also
 		 * allows to apply tool durability & enchants to drops, etc.
 		 */
-		CustomBlockMineEvent called = new CustomBlockMineEvent(PlayerData.get(player), block, info);
+		CustomBlockMineEvent called = new CustomBlockMineEvent(PlayerData.get(player), block, info, canBreak);
 		Bukkit.getPluginManager().callEvent(called);
-		if (called.isCancelled()) {
-			event.setCancelled(true);
-			return;
-		}
 
-		ItemStack item = player.getInventory().getItemInMainHand();
+		if(called.isCancelled() || !called.canBreak()) {
-		if (!MMOCore.plugin.restrictionManager.checkPermissions(item, info.getBlock())) {
-			MMOCore.plugin.configManager.getSimpleMessage("cannot-break").send(player);
 			event.setCancelled(true);
 			return;
 		}
@@ -141,7 +142,7 @@ public class BlockListener implements Listener {
 		if (!movedBlock.hasMetadata("player_placed"))
 			return;
 		BlockFace direction = event.getDirection();
-		movedBlock = movedBlock.getRelative(direction, 2);
+		//movedBlock = movedBlock.getRelative(direction, 2);
 
 		for (Block b : event.getBlocks())
 			if (b.hasMetadata("player_placed")) {