Added Api Files from Avaritia

added Api Files from Avaritia to fix an issue caused by them not being there

src/api/java/morph/avaritia/api/ICosmicRenderItem.java

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+package morph.avaritia.api;
+
+import net.minecraft.client.renderer.texture.TextureAtlasSprite;
+import net.minecraft.entity.EntityLivingBase;
+import net.minecraft.item.ItemStack;
+import net.minecraftforge.fml.relauncher.Side;
+import net.minecraftforge.fml.relauncher.SideOnly;
+
+import javax.annotation.Nullable;
+
+/**
+ * Any item implementing this that also binds itself to TODO INPUT MODEL NAME HERE.
+ * Will automatically have the cosmic shader applied to the mask with the given opacity.
+ */
+public interface ICosmicRenderItem {
+
+    /**
+     * The mask where the cosmic overlay will be.
+     *
+     * @param stack  The stack being rendered.
+     * @param player The entity holding the item, May be null, If null assume either inventory, or ground.
+     * @return The masked area where the cosmic overlay will be.
+     */
+    @SideOnly (Side.CLIENT)
+    TextureAtlasSprite getMaskTexture(ItemStack stack, @Nullable EntityLivingBase player);
+
+    /**
+     * The opacity that the mask overlay will be rendered with.
+     *
+     * @param stack  The stack being rendered.
+     * @param player The entity holding the item, May be null, If null assume either inventory, or ground.
+     * @return The opacity that the mask overlay will be rendered with.
+     */
+    @SideOnly (Side.CLIENT)
+    float getMaskOpacity(ItemStack stack, @Nullable EntityLivingBase player);
+}

src/api/java/morph/avaritia/api/IHaloRenderItem.java

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+package morph.avaritia.api;
+
+import net.minecraft.client.renderer.texture.TextureAtlasSprite;
+import net.minecraft.item.ItemStack;
+import net.minecraftforge.fml.relauncher.Side;
+import net.minecraftforge.fml.relauncher.SideOnly;
+
+public interface IHaloRenderItem {
+
+    @SideOnly (Side.CLIENT)
+    boolean shouldDrawHalo(ItemStack stack);
+
+    @SideOnly (Side.CLIENT)
+    TextureAtlasSprite getHaloTexture(ItemStack stack);
+
+    @SideOnly (Side.CLIENT)
+    int getHaloColour(ItemStack stack);
+
+    @SideOnly (Side.CLIENT)
+    int getHaloSize(ItemStack stack);
+
+    @SideOnly (Side.CLIENT)
+    boolean shouldDrawPulse(ItemStack stack);
+
+}

src/api/java/morph/avaritia/api/registration/IModelRegister.java

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+package morph.avaritia.api.registration;
+
+import net.minecraftforge.fml.relauncher.Side;
+import net.minecraftforge.fml.relauncher.SideOnly;
+
+/**
+ * Implemented on an item for model registration, completely arbitrary.
+ */
+public interface IModelRegister {
+
+    /**
+     * Called when it is time to initialize models in preInit.
+     */
+    @SideOnly (Side.CLIENT)
+    void registerModels();
+
+}