Rewrite is Go!

Just moving over all my changes from my fork

src/main/java/WayofTime/alchemicalWizardry/util/Utils.java

@@ -0,0 +1,16 @@
+package WayofTime.alchemicalWizardry.util;
+
+public class Utils {
+
+    public static boolean isInteger(String integer) {
+        try {
+            Integer.parseInt(integer);
+        } catch(NumberFormatException e) {
+            return false;
+        } catch(NullPointerException e) {
+            return false;
+        }
+        // only got here if we didn't return false
+        return true;
+    }
+}

src/main/java/WayofTime/alchemicalWizardry/util/helper/InventoryRenderHelper.java

@@ -0,0 +1,96 @@
+package WayofTime.alchemicalWizardry.util.helper;
+
+import net.minecraft.block.Block;
+import net.minecraft.client.renderer.ItemMeshDefinition;
+import net.minecraft.client.resources.model.ModelBakery;
+import net.minecraft.client.resources.model.ModelResourceLocation;
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemBlock;
+import net.minecraft.item.ItemStack;
+import net.minecraftforge.client.model.ModelLoader;
+
+/**
+ * @author <a href="https://github.com/TehNut">TehNut</a>
+ *
+ * The goal of this class is to make registering the inventory renders
+ * for your Items/Blocks a much simpler and easier process.
+ *
+ * You must call this at the post initialization stage on
+ * the clientside only.
+ *
+ * If you pass a Block through here that uses the default
+ * ItemBlock, you should specify a custom name.
+ */
+public class InventoryRenderHelper {
+
+    /**
+     * This is the base string for your resources. It will usually be
+     * your modid in all lowercase with a colon at the end.
+     */
+    private final String domain;
+    
+    public InventoryRenderHelper(String domain) {
+        this.domain = domain;
+    }
+
+    /**
+     * Registers a Model for the given Item and meta.
+     *
+     * @param item - Item to register Model for
+     * @param meta - Meta of Item
+     * @param name - Name of the model JSON
+     */
+    public void itemRender(Item item, int meta, String name) {
+        if (item instanceof ItemBlock && name.startsWith("ItemBlock"))
+            name = name.replace("Item", "");
+
+        String resName = domain + name;
+
+        ModelBakery.addVariantName(item, resName);
+        ModelLoader.setCustomModelResourceLocation(item, meta, new ModelResourceLocation(resName, "inventory"));
+    }
+
+    /**
+     * Shorthand of {@code itemRender(Item, int, String)}
+     *
+     * @param item - Item to register Model for
+     * @param meta - Meta of Item
+     */
+    public void itemRender(Item item, int meta) {
+        itemRender(item, meta, item.getClass().getSimpleName() + meta);
+    }
+
+    /**
+     * Shorthand of {@code itemRender(Item, int)}
+     *
+     * @param item - Item to register Model for
+     */
+    public void itemRender(Item item) {
+        itemRender(item, 0, item.getClass().getSimpleName());
+    }
+
+    /**
+     * Registers a model for the item across all Meta's that get used for the item
+     *
+     * @param item - Item to register Model for
+     */
+    public void itemRenderAll(Item item) {
+        final Item toRender = item;
+
+        ModelLoader.setCustomMeshDefinition(item, new ItemMeshDefinition() {
+            @Override
+            public ModelResourceLocation getModelLocation(ItemStack stack) {
+                return new ModelResourceLocation(domain + toRender.getClass().getSimpleName(), "inventory");
+            }
+        });
+    }
+
+    /**
+     *
+     * @param block - Block to get Item of
+     * @return      - The ItemBlock that corresponds to the Block.
+     */
+    public static Item getItemFromBlock(Block block) {
+        return Item.getItemFromBlock(block);
+    }
+}