1 files changed, 26 insertions, 0 deletions
diff --git a/src/main/java/gregtech/api/interfaces/IFluidAccess.java b/src/main/java/gregtech/api/interfaces/IFluidAccess.java
new file mode 100644
index 0000000000..8fa9b3a3fa
--- /dev/null
+++ b/src/main/java/gregtech/api/interfaces/IFluidAccess.java
@@ -0,0 +1,26 @@
+package gregtech.api.interfaces;
+
+import net.minecraftforge.fluids.FluidStack;
+
+public interface IFluidAccess {
+
+    void set(FluidStack stack);
+
+    FluidStack get();
+
+    int getCapacity();
+
+    default int getRealCapacity() {
+        return getCapacity();
+    }
+
+    default void addAmount(int amount) {
+        if (get() != null) {
+            get().amount = Math.min(get().amount + amount, getRealCapacity());
+        }
+    }
+
+    default void verifyFluidStack() {
+        if (get() != null && get().amount <= 0) set(null);
+    }
+}