Multiple items can be specified as a detonator

src/main/java/com/gmail/nossr50/config/hocon/skills/mining/ConfigMining.java

@@ -48,7 +48,24 @@ public class ConfigMining {
             "\nUse Minecraft friendly names for entries, not Bukkit material names.")
     private ArrayList<String> bonusDrops = DEFAULT_BONUS_DROPS;
 
+    @Setting(value = "Sub-Skills")
+    private ConfigMiningSubskills miningSubskills = new ConfigMiningSubskills();
+
+    public ConfigMiningSubskills getMiningSubskills() {
+        return miningSubskills;
+    }
+
+    public ConfigMiningBlastMining getBlastMining() {
+        return miningSubskills.getBlastMining();
+    }
+
+    public ArrayList<String> getDetonators() {
+        return getBlastMining().getDetonators();
+    }
+
     public ArrayList<String> getBonusDrops() {
         return bonusDrops;
     }
+
+
 }

src/main/java/com/gmail/nossr50/config/hocon/skills/mining/ConfigMiningBlastMining.java

@@ -0,0 +1,29 @@
+package com.gmail.nossr50.config.hocon.skills.mining;
+
+import ninja.leaping.configurate.objectmapping.Setting;
+import ninja.leaping.configurate.objectmapping.serialize.ConfigSerializable;
+import org.bukkit.Material;
+
+import java.util.ArrayList;
+
+@ConfigSerializable
+public class ConfigMiningBlastMining {
+
+    public static final ArrayList<String> DETONATORS_DEFAULT;
+
+    static {
+        DETONATORS_DEFAULT = new ArrayList<>();
+        DETONATORS_DEFAULT.add(Material.FLINT_AND_STEEL.getKey().toString());
+        DETONATORS_DEFAULT.add(Material.DIAMOND_PICKAXE.getKey().toString());
+        DETONATORS_DEFAULT.add(Material.GOLDEN_PICKAXE.getKey().toString());
+        DETONATORS_DEFAULT.add(Material.IRON_PICKAXE.getKey().toString());
+        DETONATORS_DEFAULT.add(Material.WOODEN_PICKAXE.getKey().toString());
+    }
+
+    @Setting(value = "Detonators", comment = "Items that can be used to activate Blast-Mining")
+    private ArrayList<String> detonators = DETONATORS_DEFAULT;
+
+    public ArrayList<String> getDetonators() {
+        return detonators;
+    }
+}

src/main/java/com/gmail/nossr50/config/hocon/skills/mining/ConfigMiningSubskills.java

@@ -0,0 +1,15 @@
+package com.gmail.nossr50.config.hocon.skills.mining;
+
+import ninja.leaping.configurate.objectmapping.Setting;
+import ninja.leaping.configurate.objectmapping.serialize.ConfigSerializable;
+
+@ConfigSerializable
+public class ConfigMiningSubskills {
+
+    @Setting(value = "Blast-Mining", comment = "Settings for Blast Mining")
+    public ConfigMiningBlastMining blastMining = new ConfigMiningBlastMining();
+
+    public ConfigMiningBlastMining getBlastMining() {
+        return blastMining;
+    }
+}

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

@@ -41,8 +41,6 @@ public class BlastMining {
 
     }*/
 
-    public static Material detonator = MainConfig.getInstance().getDetonatorItem();
-
     public final static int MAXIMUM_REMOTE_DETONATION_DISTANCE = 100;
 
     public static double getBlastRadiusModifier(int rank) {

src/main/java/com/gmail/nossr50/skills/mining/Mining.java

@@ -2,13 +2,51 @@ package com.gmail.nossr50.skills.mining;
 
 import com.gmail.nossr50.config.experience.ExperienceConfig;
 import com.gmail.nossr50.datatypes.skills.PrimarySkillType;
+import com.gmail.nossr50.mcMMO;
+import com.gmail.nossr50.util.ItemUtils;
 import com.gmail.nossr50.util.Misc;
+import net.royawesome.jlibnoise.module.combiner.Min;
 import org.bukkit.Material;
 import org.bukkit.block.BlockState;
 import org.bukkit.inventory.ItemStack;
 
+import java.util.List;
+
 public class Mining {
 
+    private List<Material> detonators;
+    private static Mining instance;
+
+    public static Mining getInstance() {
+        if(instance == null)
+            instance = new Mining();
+
+        return instance;
+    }
+
+    public Mining() {
+        //Init detonators
+        this.detonators = ItemUtils.matchMaterials(mcMMO.getConfigManager().getConfigMining().getDetonators());
+    }
+
+    /**
+     * Retrieve a list of Blast Mining detonator types
+     * @return blast mining detonator materials
+     */
+    public List<Material> getDetonators() {
+        return detonators;
+    }
+
+    /**
+     * Check if an itemStack is a valid blast mining detonator
+     * @param itemStack target itemstack
+     * @return true if valid blast mining detonator
+     */
+    public Boolean isDetonator(ItemStack itemStack)
+    {
+        return getDetonators().contains(itemStack.getType());
+    }
+
     /**
      * Calculate XP gain for Mining.
      *

src/main/java/com/gmail/nossr50/skills/mining/MiningManager.java

@@ -43,7 +43,7 @@ public class MiningManager extends SkillManager {
         Player player = getPlayer();
 
         return canUseBlastMining() && player.isSneaking()
-                && (ItemUtils.isPickaxe(getPlayer().getInventory().getItemInMainHand()) || player.getInventory().getItemInMainHand().getType() == Config.getInstance().getDetonatorItem())
+                && Mining.getInstance().isDetonator(player.getInventory().getItemInMainHand())
                 && Permissions.remoteDetonation(player);
     }