Helps to include the new file...

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

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+/*
+	This file is part of mcMMO.
+
+    mcMMO is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    mcMMO is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with mcMMO.  If not, see <http://www.gnu.org/licenses/>.
+*/
+package com.gmail.nossr50.skills;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+import org.bukkit.Location;
+import org.bukkit.Material;
+import org.bukkit.block.Block;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.event.entity.EntityDamageEvent;
+import org.bukkit.event.entity.EntityExplodeEvent;
+import org.bukkit.event.entity.ExplosionPrimeEvent;
+import com.gmail.nossr50.Users;
+import com.gmail.nossr50.m;
+import com.gmail.nossr50.mcMMO;
+import com.gmail.nossr50.datatypes.PlayerProfile;
+import com.gmail.nossr50.datatypes.SkillType;
+
+public class BlastMining{
+	
+	public static void explosionBlockDrops(Block block, Location loc)
+	{
+    	int id = block.getTypeId();
+    	Material mat = Material.getMaterial(id);
+		byte damage = 0;
+		ItemStack item = new ItemStack(mat, 1, (byte)0, damage);
+		
+		if(id != 89 && id != 73 && id != 74 && id != 56 && id != 21 && id != 1 && id != 16 && id != 112 && id != 121 && id != 48)
+		{
+			m.mcDropItem(loc, item);
+			return;
+		}
+			
+		switch (id)
+		{
+		//GLOWSTONE
+		case 89:
+			mat = Material.getMaterial(348);
+			item = new ItemStack(mat, 1, (byte)0, damage);
+			m.mcDropItem(loc, item);
+			m.mcDropItem(loc, item);
+			if(Math.random() * 10 > 5)
+				m.mcDropItem(loc, item);
+			if(Math.random() * 10 > 5)
+				m.mcDropItem(loc, item);
+			break;
+		//REDSTONE
+		case 73:
+			mat = Material.getMaterial(331);
+			item = new ItemStack(mat, 1, (byte)0, damage);
+			m.mcDropItem(loc, item);
+			m.mcDropItem(loc, item);
+			m.mcDropItem(loc, item);
+			m.mcDropItem(loc, item);
+			if(Math.random() * 10 > 5)
+				m.mcDropItem(loc, item);
+			break;
+		case 74:
+			mat = Material.getMaterial(331);
+			item = new ItemStack(mat, 1, (byte)0, damage);
+			m.mcDropItem(loc, item);
+			m.mcDropItem(loc, item);
+			m.mcDropItem(loc, item);
+			m.mcDropItem(loc, item);
+			if(Math.random() * 10 > 5)
+				m.mcDropItem(loc, item);
+			break;
+		//LAPIS
+		case 21:
+			mat = Material.getMaterial(351);
+			item = new ItemStack(mat, 1, (byte)0,(byte)0x4);
+			m.mcDropItem(loc, item);
+			m.mcDropItem(loc, item);
+			m.mcDropItem(loc, item);
+			m.mcDropItem(loc, item);
+			if(Math.random() * 10 > 5)
+				m.mcDropItem(loc, item);
+			if(Math.random() * 10 > 5)
+				m.mcDropItem(loc, item);
+			if(Math.random() * 10 > 5)
+				m.mcDropItem(loc, item);
+			if(Math.random() * 10 > 5)
+				m.mcDropItem(loc, item);
+			break;
+		//DIAMOND
+		case 56:
+			mat = Material.getMaterial(264);
+			item = new ItemStack(mat, 1, (byte)0, damage);
+			m.mcDropItem(loc, item);
+			break;
+		//STONE
+		case 1:
+			mat = Material.getMaterial(4);
+			item = new ItemStack(mat, 1, (byte)0, damage);
+			m.mcDropItem(loc, item);
+			break;
+		//COAL
+		case 16:
+			mat = Material.getMaterial(263);
+			item = new ItemStack(mat, 1, (byte)0, damage);
+			m.mcDropItem(loc, item);
+			break;
+		}
+	}
+	
+	/*
+	 * Process the drops from the explosion
+	 */
+	public static void dropProcessing(int skillLevel, EntityExplodeEvent event, mcMMO plugin)
+	{
+		float yield = event.getYield(); 
+		List<Block> blocks = event.blockList();
+		Iterator<Block> iterator = blocks.iterator();
+		
+		List<Block> ores = new ArrayList<Block>();
+		List<Block> debris = new ArrayList<Block>();
+		
+		while(iterator.hasNext())
+		{
+			Block temp = iterator.next();
+			int id = temp.getTypeId();
+			if(id == 14 || id == 15 || id == 16 || id == 21 || id == 56 || id == 73 || id == 74)
+			{
+				ores.add(temp);
+			}
+			else
+			{
+				debris.add(temp);
+			}
+		}
+		
+		//Normal explosion
+		if(skillLevel < 125)
+			return;
+		
+		//Drop 10% more ores
+		if(skillLevel >= 125 && skillLevel < 250)
+		{
+			event.setYield(0);
+			Iterator<Block> iterator2 = ores.iterator();
+			Iterator<Block> iterator3 = debris.iterator();
+			while(iterator2.hasNext())
+			{
+				Block temp = iterator2.next();
+				if(Math.random() * 100 < (yield + 10))
+				{
+					explosionBlockDrops(temp, event.getLocation());
+				}
+			}
+			while(iterator3.hasNext())
+			{
+				Block temp = iterator3.next();
+				if(Math.random() * 100 < yield)
+				{
+					explosionBlockDrops(temp, event.getLocation());
+				}
+			}
+		}
+		
+		//Drop 20% more ores
+		if(skillLevel >= 250 && skillLevel < 375)
+		{
+			event.setYield(0);
+			Iterator<Block> iterator2 = ores.iterator();
+			Iterator<Block> iterator3 = debris.iterator();
+			while(iterator2.hasNext())
+			{
+				Block temp = iterator2.next();
+				if(Math.random() * 100 < (yield + 20))
+				{
+					explosionBlockDrops(temp, event.getLocation());
+				}
+			}
+			while(iterator3.hasNext())
+			{
+				Block temp = iterator3.next();
+				if(Math.random() * 100 < yield)
+				{
+					explosionBlockDrops(temp, event.getLocation());
+				}
+			}
+		}
+		
+		//No debris
+		if(skillLevel >= 375 && skillLevel < 625)
+		{
+			event.setYield(0);
+			Iterator<Block> iterator2 = ores.iterator();
+
+			while(iterator2.hasNext())
+			{
+				Block temp = iterator2.next();
+				if(Math.random() * 100 < yield + 20)
+				{
+					explosionBlockDrops(temp, event.getLocation());
+				}
+			}
+		}
+		
+		//Double Drops
+		if(skillLevel >= 625 && skillLevel < 875)
+		{
+			event.setYield(0);
+			Iterator<Block> iterator2 = ores.iterator();
+
+			while(iterator2.hasNext())
+			{
+				Block temp = iterator2.next();
+				if(Math.random() * 100 < yield + 20)
+				{
+					explosionBlockDrops(temp, event.getLocation());
+					if(Math.random() * 1000 <= skillLevel) 
+						explosionBlockDrops(temp, event.getLocation());
+				}
+			}
+		}
+		
+		//Triple Drops
+		if(skillLevel >= 875)
+		{
+			event.setYield(0);
+			Iterator<Block> iterator2 = ores.iterator();
+
+			while(iterator2.hasNext())
+			{
+				Block temp = iterator2.next();
+				if(Math.random() * 100 < yield + 20)
+				{
+					explosionBlockDrops(temp, event.getLocation());
+					if(Math.random() * 1000 <= skillLevel || skillLevel > 1000) 
+						explosionBlockDrops(temp, event.getLocation());
+					if(Math.random() * 1000 <= skillLevel || skillLevel > 1000) 
+						explosionBlockDrops(temp, event.getLocation());
+				}
+			}
+		}
+	}
+	
+	
+	/*
+	 * Bigger Bombs (Unlocked at Mining 250)
+	 * 
+	 * Increases radius of explosion by 1 at 250.
+	 * Increases radius of explosion by 2 at 500.
+	 * Increases radius of explosion by 3 at 750.
+	 * Increases radius of explosion by 4 at 1000.
+	 */
+	public static void biggerBombs(int skillLevel, ExplosionPrimeEvent event)
+	{
+		float radius = event.getRadius();
+		if(skillLevel < 250)
+			return;
+		if(skillLevel >= 250)
+			radius++;
+		if(skillLevel >= 500)
+			radius++;
+		if(skillLevel >= 750)
+			radius++;
+		if(skillLevel >= 1000)
+			radius++;
+		
+		event.setRadius(radius);
+	}
+	
+	/*
+	 * Demolitions Expertise (Unlocked at Mining 500) 
+	 * 
+	 * Reduces explosion damage to 1/4 of normal at 500.
+	 * Reduces explosion damage to 1/2 of normal at 1000.
+	 */
+	public static void demolitionsExpertise(Player player, EntityDamageEvent event)
+	{
+		PlayerProfile PP = Users.getProfile(player);
+		int skill = PP.getSkillLevel(SkillType.MINING);
+		int damage = event.getDamage();
+		if(skill < 500)
+			return;
+		if(skill >= 500 && skill < 1000)
+			damage = damage/4;
+		if(skill >= 1000)
+			damage = damage/2;
+		
+		event.setDamage(damage);
+	}
+
+}