Added more mappings to FastItemStack

eco-api/src/main/java/com/willfp/eco/core/fast/FastItemStack.java

@@ -212,6 +212,64 @@ public interface FastItemStack extends PersistentDataHolder {
      */
     void setBaseTag(@Nullable PersistentDataContainer container);
 
+    /**
+     * Get the type of the item.
+     *
+     * @return The type.
+     */
+    @NotNull
+    Material getType();
+
+    /**
+     * Set the type of the item.
+     *
+     * @param material The type.
+     */
+    void setType(@NotNull Material material);
+
+    /**
+     * Get the amount of the item.
+     *
+     * @return The amount.
+     */
+    int getAmount();
+
+    /**
+     * Set the amount of the item.
+     *
+     * @param amount The amount.
+     */
+    void setAmount(int amount);
+
+    /**
+     * Get the custom model data.
+     *
+     * @return The data, or null if none.
+     */
+    @Nullable
+    Integer getCustomModelData();
+
+    /**
+     * Set the custom model data.
+     *
+     * @param data The data, null to remove.
+     */
+    void setCustomModelData(@Nullable Integer data);
+
+    /**
+     * Get the speed multiplier.
+     *
+     * @return The multiplier.
+     */
+    double getDestroySpeedMultiplier();
+
+    /**
+     * Set the speed multiplier.
+     *
+     * @param multiplier The multiplier.
+     */
+    void setDestroySpeedMultiplier(double multiplier);
+
     /**
      * Get the Bukkit ItemStack again.
      *

eco-api/src/main/java/com/willfp/eco/core/items/Items.java

@@ -517,6 +517,32 @@ public final class Items {
         return fis.unwrap();
     }
 
+    /**
+     * Get the base NBT tag on an item.
+     *
+     * @param itemStack  The ItemStack.
+     * @param multiplier The multiplier
+     * @return The item, modified. Not required to use, as this modifies the instance.
+     */
+    @NotNull
+    public static ItemStack setDestroySpeedMultiplier(@NotNull final ItemStack itemStack,
+                                                      final double multiplier) {
+        FastItemStack fis = FastItemStack.wrap(itemStack);
+        fis.setDestroySpeedMultiplier(multiplier);
+        return fis.unwrap();
+    }
+
+    /**
+     * Get the items destroy speed.
+     *
+     * @param itemStack The ItemStack.
+     * @return The speed multiplier.
+     */
+    public static double getDestroySpeedMultiplier(@NotNull final ItemStack itemStack) {
+        FastItemStack fis = FastItemStack.wrap(itemStack);
+        return fis.getDestroySpeedMultiplier();
+    }
+
     private Items() {
         throw new UnsupportedOperationException("This is a utility class and cannot be instantiated");
     }