fix missing source folder

1 files changed, 42 insertions, 0 deletions

diff --git a/main/java/gregtech/api/interfaces/tileentity/IUpgradableMachine.java b/main/java/gregtech/api/interfaces/tileentity/IUpgradableMachine.java
new file mode 100644
index 0000000..97360fd
--- /dev/null
+++ b/main/java/gregtech/api/interfaces/tileentity/IUpgradableMachine.java
@@ -0,0 +1,42 @@
+package gregtech.api.interfaces.tileentity;
+
+
+/**
+ * To access my Machines a bit easier
+ */
+public interface IUpgradableMachine extends IMachineProgress {
+	/**
+	 * Accepts Upgrades. Some Machines have an Upgrade Limit.
+	 */
+	boolean isUpgradable();
+
+	/**
+	 * Accepts Muffler Upgrades
+	 */
+	boolean isMufflerUpgradable();
+	
+	/**
+	 * Accepts Steam-Converter Upgrades
+	 */
+	boolean isSteamEngineUpgradable();
+	
+	/**
+	 * Adds Muffler Upgrade
+	 */
+	boolean addMufflerUpgrade();
+	
+	/**
+	 * Adds MJ-Converter Upgrade
+	 */
+	boolean addSteamEngineUpgrade();
+	
+	/**
+	 * Does this Machine have an Muffler
+	 */
+	boolean hasMufflerUpgrade();
+	
+	/**
+	 * Does this Machine have a Steam-Converter
+	 */
+	boolean hasSteamEngineUpgrade();
+}