pull in some armor stuff from 1.6

src/main/java/tconstruct/modifiers/armor/AModDoubleJump.java

@@ -0,0 +1,72 @@
+package tconstruct.modifiers.armor;
+
+import java.util.EnumSet;
+
+import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.NBTTagCompound;
+import tconstruct.library.armor.AModInteger;
+import tconstruct.library.armor.ArmorCore;
+import tconstruct.library.armor.EnumArmorPart;
+
+public class AModDoubleJump extends AModInteger
+{
+    public AModDoubleJump(ItemStack[] items)
+    {
+        super(6, "Double-Jump", EnumSet.of(EnumArmorPart.SHOES), items, 5, 1, "\u00a7a", "Double-Jump");
+    }
+
+    @Override
+    protected boolean canModify (ItemStack armor, ItemStack[] input)
+    {
+        ArmorCore item = (ArmorCore) armor.getItem();
+        if (armorTypes.contains(item.armorPart))
+        {
+            NBTTagCompound tags = armor.getTagCompound().getCompoundTag(getTagName());
+            return tags.getInteger("Modifiers") >= modifyCount && tags.getInteger("Double-Jump") < 3;
+        }
+        return false;
+    }
+    
+    @Override
+    protected int addToolTip (ItemStack tool, String tooltip, String modifierTip)
+    {
+        NBTTagCompound tags = tool.getTagCompound().getCompoundTag(getTagName());
+        int tipNum = 0;
+        while (true)
+        {
+            tipNum++;
+            String tip = "Tooltip" + tipNum;
+            if (!tags.hasKey(tip))
+            {
+                tags.setString(tip, tooltip);
+                String modTip = "ModifierTip" + tipNum;
+                tags.setString(modTip, modifierTip);
+                return tipNum;
+            }
+            else
+            {
+                String tag = tags.getString(tip);
+                if (tag.contains("Double-Jump") || tag.contains("Triple-Jump"))
+                {
+                    tags.setString(tip, getProperName(tooltip, tag));
+                    String modTip = "ModifierTip" + tipNum;
+                    tag = tags.getString(modTip);
+                    tags.setString(modTip, getProperName(modifierTip, tag));
+                    return tipNum;
+                }
+            }
+        }
+    }
+    
+    @Override
+    protected String getProperName (String tooltip, String tag)
+    {
+        if (tag.contains("Double-Jump"))
+            return color+"Triple-Jump";
+        
+        if (tag.contains("Triple-Jump"))
+            return color+"Quadruple-Jump";
+
+        return color+"Double-Jump";
+    }
+}