Mod support - able to define tiers for custom blocks now.

Tier 1 - breaks with wood/gold
Tier 2 - breaks with stone
Tier 3 - breaks with iron
Tier 4 - breaks with diamond

src/main/java/com/gmail/nossr50/config/mods/CustomBlocksConfig.java

@@ -71,6 +71,7 @@ public class CustomBlocksConfig extends ModConfigLoader{
             int id = config.getInt(skillType + "." + blockName + ".ID", 0);
             byte data = (byte) config.getInt(skillType + "." + blockName + ".Data_Value", 0);
             int xp = config.getInt(skillType + "." + blockName + ".XP_Gain", 0);
+            int tier = config.getInt(skillType + "." + blockName + ".Tier", 1);
             boolean dropItem = config.getBoolean(skillType + "." + blockName + ".Drop_Item", false);
             int dropID = config.getInt(skillType + "." + blockName + ".Drop_Item_ID", 0);
             byte dropData = (byte) config.getInt(skillType + "." + blockName + ".Drop_Item_Data_Value", 0);
@@ -97,7 +98,7 @@ public class CustomBlocksConfig extends ModConfigLoader{
                 itemDrop = new ItemStack(id, dropAmount, (short) 0, data);
             }
 
-            block = new CustomBlock(itemDrop, xp, data, id);
+            block = new CustomBlock(itemDrop, tier, xp, data, id);
             blockItem = new ItemStack(id, 1, (short) 0, data);
 
             if (skillType.equals("Mining") && config.getBoolean(skillType + "." + blockName + ".Is_Ore")) {

src/main/java/com/gmail/nossr50/datatypes/mods/CustomBlock.java

@@ -6,12 +6,14 @@ public class CustomBlock {
     private int itemID;
     private byte dataValue;
     private int xpGain;
+    private int tier;
     private ItemStack itemDrop;
 
-    public CustomBlock(ItemStack itemDrop, int xpGain, byte dataValue, int itemID) {
+    public CustomBlock(ItemStack itemDrop, int tier, int xpGain, byte dataValue, int itemID) {
         this.itemID = itemID;
         this.dataValue = dataValue;
         this.xpGain = xpGain;
+        this.tier = tier;
         this.itemDrop = itemDrop;
     }
 
@@ -39,6 +41,14 @@ public class CustomBlock {
         this.xpGain = xpGain;
     }
 
+    public int getTier() {
+        return tier;
+    }
+
+    public void setTier(int tier) {
+        this.tier = tier;
+    }
+
     public ItemStack getItemDrop() {
         return itemDrop;
     }

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

@@ -251,6 +251,10 @@ public class Mining {
         FakePlayerAnimationEvent armswing = new FakePlayerAnimationEvent(player);
 
         if (Config.getInstance().getBlockModsEnabled() && CustomBlocksConfig.getInstance().customItems.contains(new ItemStack(block.getTypeId(), 1, (short) 0, block.getData()))) {
+            if (ModChecks.getCustomBlock(block).getTier() < tier) {
+                return;
+            }
+
             if (mcMMO.placeStore.isTrue(block)) {
                 return;
             }

src/main/resources/blocks.yml

@@ -49,6 +49,7 @@ Mining:
         Data_Value: 0
         XP_Gain: 99
         Is_Ore: true
+        Tier: 1
         Drop_Item: false
         Drop_Item_ID: 999
         Drop_Item_Data_Value: 0
@@ -58,6 +59,7 @@ Mining:
         Data_Value: 0
         XP_Gain: 99
         Is_Ore: true
+        Tier: 1
         Drop_Item: false
         Drop_Item_ID: 999
         Drop_Item_Data_Value: 0