Fluid?

1 files changed, 82 insertions, 0 deletions

diff --git a/src/main/java/me/shedaniel/rei/api/EntryRegistry.java b/src/main/java/me/shedaniel/rei/api/EntryRegistry.java
new file mode 100644
index 000000000..effd1c8a4
--- /dev/null
+++ b/src/main/java/me/shedaniel/rei/api/EntryRegistry.java
@@ -0,0 +1,82 @@
+/*
+ * Roughly Enough Items by Danielshe.
+ * Licensed under the MIT License.
+ */
+
+package me.shedaniel.rei.api;
+
+import net.minecraft.fluid.Fluid;
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemStack;
+
+import java.util.List;
+
+public interface EntryRegistry {
+    
+    /**
+     * Gets the current unmodifiable item list
+     *
+     * @return an unmodifiable item list
+     */
+    List<Entry> getEntryList();
+    
+    /**
+     * Gets the current modifiable item list
+     *
+     * @return an modifiable item list
+     */
+    @Deprecated
+    List<Entry> getModifiableEntryList();
+    
+    /**
+     * Gets all possible stacks from an item
+     *
+     * @param item the item to find
+     * @return the array of possible stacks
+     */
+    ItemStack[] getAllStacksFromItem(Item item);
+    
+    /**
+     * Registers an new stack to the item list
+     *
+     * @param afterItem the stack to put after
+     * @param stack     the stack to register
+     */
+    void registerItemStack(Item afterItem, ItemStack stack);
+    
+    void registerFluid(Fluid fluid);
+    
+    /**
+     * Registers multiple stacks to the item list
+     *
+     * @param afterItem the stack to put after
+     * @param stacks    the stacks to register
+     */
+    default void registerItemStack(Item afterItem, ItemStack... stacks) {
+        for (int i = stacks.length - 1; i >= 0; i--) {
+            ItemStack stack = stacks[i];
+            if (stack != null && !stack.isEmpty())
+                registerItemStack(afterItem, stack);
+        }
+    }
+    
+    /**
+     * Registers multiple stacks to the item list
+     *
+     * @param stacks the stacks to register
+     */
+    default void registerItemStack(ItemStack... stacks) {
+        registerItemStack(null, stacks);
+    }
+    
+    /**
+     * Checks if a stack is already registered
+     *
+     * @param stack the stack to check
+     * @return whether the stack has been registered
+     */
+    default boolean alreadyContain(ItemStack stack) {
+        return getEntryList().stream().filter(entry -> entry.getEntryType() == Entry.Type.ITEM).anyMatch(entry -> ItemStack.areEqualIgnoreDamage(stack, entry.getItemStack()));
+    }
+    
+}