Refactored a lot. Only ContainerManager and Main Class are missing.

src/main/java/de/skate702/craftingkeys/CraftingKeys.java

@@ -10,11 +10,13 @@ import cpw.mods.fml.common.event.FMLInitializationEvent;
 import cpw.mods.fml.common.event.FMLPostInitializationEvent;
 import cpw.mods.fml.common.event.FMLPreInitializationEvent;
 import cpw.mods.fml.common.eventhandler.SubscribeEvent;
-import cpw.mods.fml.common.gameevent.InputEvent;
 import cpw.mods.fml.common.gameevent.TickEvent;
 import de.skate702.craftingkeys.config.Config;
 import de.skate702.craftingkeys.manager.ContainerManager;
 import de.skate702.craftingkeys.proxies.CraftingKeysProxy;
+import de.skate702.craftingkeys.util.Helper;
+import de.skate702.craftingkeys.util.InputUtil;
+import de.skate702.craftingkeys.util.Util;
 import net.minecraft.client.gui.inventory.GuiCrafting;
 import net.minecraft.inventory.Slot;
 
@@ -24,7 +26,7 @@ import net.minecraft.inventory.Slot;
  *
  * @author skate702
  */
-@Mod(modid = CraftingKeys.MODID, name = CraftingKeys.VERSION, version = CraftingKeys.NAME,
+@Mod(modid = CraftingKeys.MODID, name = CraftingKeys.NAME, version = CraftingKeys.VERSION,
         guiFactory = "de.skate702.craftingkeys.config.ConfigGuiFactory")
 public class CraftingKeys {
 
@@ -53,7 +55,6 @@ public class CraftingKeys {
     @EventHandler
     public void preInit(FMLPreInitializationEvent event) {
         Config.loadConfig(event);
-
     }
 
     /**
@@ -68,16 +69,11 @@ public class CraftingKeys {
         proxy.registerRenderers();
         FMLCommonHandler.instance().bus().register(this);
 
-
+        // TODO: Helper!
         Helper.debugPrint("load(): Loaded CraftingKeys successful");
 
     }
 
-    @SubscribeEvent
-    public void onKeyInput(InputEvent.KeyInputEvent event) {
-        System.out.println(event.toString());
-    }
-
     /**
      * This method will be executed after Init.
      *
@@ -102,22 +98,22 @@ public class CraftingKeys {
     public void onTick(TickEvent.ClientTickEvent tick) {
 
         // Message
-        if (Helper.isFirstInWorldTick()) {
+        if (Util.isFirstInWorldTick()) {
-            Helper.printWarning();
+            Util.printWarning();
         }
 
 
         // Case 1: Classic GUI Screen
-        if (Helper.isCraftingGUI(Helper.client.currentScreen)) {
+        if (Util.isCraftingGUI(Util.client.currentScreen)) {
 
-            GuiCrafting guiCrafting = (GuiCrafting) Helper.client.currentScreen;
+            GuiCrafting guiCrafting = (GuiCrafting) Util.client.currentScreen;
-            Slot currentHoveredSlot = Helper.getSlotAtMousePosition(guiCrafting);
+            Slot currentHoveredSlot = InputUtil.getSlotAtMousePosition(guiCrafting);
             int keyDown = Helper.craftingKeyDownToSlotNumber();
 
             ContainerManager con = new ContainerManager(guiCrafting.inventorySlots);
 
             // Block Key Interval (avoid multiple Runs)
-            if (!Helper.isSameKey(keyDown)) {
+            if (!InputUtil.isSameKey(keyDown)) {
 
                 // Moving item to crafting table
                 if (keyDown > 0 && currentHoveredSlot != null) {

src/main/java/de/skate702/craftingkeys/Helper.java

@@ -1,241 +0,0 @@
-package de.skate702.craftingkeys;
-
-import cpw.mods.fml.client.FMLClientHandler;
-import net.minecraft.client.Minecraft;
-import net.minecraft.client.gui.GuiScreen;
-import net.minecraft.client.gui.inventory.GuiContainer;
-import net.minecraft.client.gui.inventory.GuiCrafting;
-import net.minecraft.inventory.Container;
-import net.minecraft.inventory.Slot;
-import net.minecraft.util.ChatComponentText;
-import net.minecraft.util.ChatComponentTranslation;
-import org.lwjgl.input.Keyboard;
-import org.lwjgl.input.Mouse;
-
-/**
- * This helper class provides some static helping Methods and Constants.
- *
- * @author sebastian
- */
-public class Helper {
-
-    /**
-     * If true, there are Debug-Output-Prints from debugPrint(msg).
-     */
-    public static final boolean DEBUG = true;
-    /**
-     * Current Instance Client, used for a lot of operations.
-     */
-    public static Minecraft client = FMLClientHandler.instance().getClient();
-
-
-    /**
-     * Saves the last Key that was Pressed
-     */
-    private static int lastKeyDown = -1;
-    /**
-     * Saves the times strg was pressed before reseting
-     */
-    private static int strgTimesDown = 0;
-    private static boolean firstInWorldTick = true;
-
-
-    /**
-     * Private Constructor. This is a helping class!
-     */
-    private Helper() {
-        // Nope.
-    }
-
-    /**
-     * Returns, if this is the first method call in a fresh opened world.
-     *
-     * @return True, if this is the first tick
-     */
-    public static boolean isFirstInWorldTick() {
-        if (firstInWorldTick && client.theWorld != null) {
-            firstInWorldTick = false;
-            return true;
-        } else if (client.theWorld == null) {
-            firstInWorldTick = true;
-        }
-        return false;
-    }
-
-    public static void printWarning() {
-        client.thePlayer.addChatMessage(new ChatComponentText(
-                "Achtung: Crafting-Keys befindet sich in der Alpha!"));
-        client.thePlayer.addChatMessage(new ChatComponentText(
-                "Es gibt noch viele Fehler, und es fehlen noch einige Funktionen."));
-        client.thePlayer.addChatMessage(new ChatComponentText(
-                "Mehr Info's findest du auf: https://github.com/0xSeb/CraftingKeys!"));
-        client.thePlayer.addChatMessage(new ChatComponentTranslation("key.topleft"));
-    }
-
-    /**
-     * Standart Output for Debug-Messages - Depends on DEBUG-Constant.
-     *
-     * @param message The Debug-Message. Syntax: "methodname(): Message"
-     */
-    public static void debugPrint(String message) {
-
-        if (DEBUG) {
-            System.out.println("CK-DEBUG: " + message);
-        }
-
-    }
-
-    /**
-     * Returns true, if the current Screen is a instance of GUI-Screen.
-     *
-     * @param screen The input Screen
-     * @return True, if GuiScreen; False if null
-     */
-    public static boolean isCraftingGUI(GuiScreen screen) {
-
-        if (screen != null) {
-            if (screen instanceof GuiCrafting) {
-                return true;
-            }
-        }
-        return false;
-    }
-
-    /**
-     * Returns the Slot at the current Mouse Position. [FROM GUICONTAINER]
-     *
-     * @param guiContainer The (Inventory) Container to work with.
-     * @return Returns the slot (or null)
-     */
-    public static Slot getSlotAtMousePosition(GuiContainer guiContainer) {
-        if (guiContainer != null) {
-            Container container = guiContainer.inventorySlots;
-
-            int x = getMouseX(guiContainer);
-            int y = getMouseY(guiContainer);
-            for (int k = 0; k < container.inventorySlots.size(); k++) {
-                Slot slot = (Slot) container.inventorySlots.get(k);
-                if (getIsMouseOverSlot(guiContainer, slot, x, y)) {
-                    return slot;
-                }
-            }
-            return null;
-        } else {
-            Helper.debugPrint("getSlotAtMousePosition(): guiContainer == null");
-            return null;
-        }
-    }
-
-    /**
-     * Returns, if the mouse cursor is over a specified slot [FROM GUICONTAINER]
-     *
-     * @param guiContainer the GuiContainer to work with
-     * @param slot         The spcified slot
-     * @param x            The Mouse x-Position
-     * @param y            The Mouse y-Position
-     * @return True, if the mouse is positioned over this slot. Otherwise false
-     */
-    private static boolean getIsMouseOverSlot(GuiContainer guiContainer, Slot slot, int x, int y) {
-        if (guiContainer != null) {
-
-            // Constants from Minecraft Source Code
-            x -= (guiContainer.width - 176) / 2;
-            y -= (guiContainer.height - 166) / 2;
-            return x >= slot.xDisplayPosition - 1 && x < slot.xDisplayPosition + 16 + 1
-                    && y >= slot.yDisplayPosition - 1 && y < slot.yDisplayPosition + 16 + 1;
-        } else {
-            return false;
-        }
-    }
-
-    /**
-     * Returns a calculated Mouse Position for getSlotAtMousePosition().
-     *
-     * @param guiContainer the GuiContainer to work with
-     * @return The relative Mouse-Position
-     */
-    private static int getMouseX(GuiContainer guiContainer) {
-        return (Mouse.getEventX() * guiContainer.width) / client.displayWidth;
-    }
-
-    /**
-     * Returns a calculated Mouse Position for getSlotAtMousePosition().
-     *
-     * @param guiContainer the GuiContainer to work with
-     * @return The relative Mouse-Position
-     */
-    private static int getMouseY(GuiContainer guiContainer) {
-        return guiContainer.height - (Mouse.getEventY() * guiContainer.height) / client.displayHeight - 1;
-    }
-
-    /**
-     * Reads the current Keyboard-Input and converts it to a Inventory-Slot.
-     *
-     * @return A Inventory-Slot (based on CraftingGUI), -1 for wrong input, -2
-     * for space
-     */
-    public static int craftingKeyDownToSlotNumber() {
-
-        // TODO: Make this dynamic! // Use Settings
-
-        int returnValue = -1;
-
-        if (Keyboard.isKeyDown(Keyboard.KEY_Q)) {
-            returnValue = 1;
-        } else if (Keyboard.isKeyDown(Keyboard.KEY_W)) {
-            returnValue = 2;
-        } else if (Keyboard.isKeyDown(Keyboard.KEY_E)) {
-            returnValue = 3;
-        } else if (Keyboard.isKeyDown(Keyboard.KEY_A)) {
-            returnValue = 4;
-        } else if (Keyboard.isKeyDown(Keyboard.KEY_S)) {
-            returnValue = 5;
-        } else if (Keyboard.isKeyDown(Keyboard.KEY_D)) {
-            returnValue = 6;
-        } else if (Keyboard.isKeyDown(Keyboard.KEY_Y)) {
-            returnValue = 7;
-        } else if (Keyboard.isKeyDown(Keyboard.KEY_X)) {
-            returnValue = 8;
-        } else if (Keyboard.isKeyDown(Keyboard.KEY_C)) {
-            returnValue = 9;
-        } else if (Keyboard.isKeyDown(Keyboard.KEY_SPACE)) {
-            returnValue = -2;
-        }
-
-        return returnValue;
-    }
-
-    /**
-     * Returns, if the current KeyValue is the same
-     *
-     * @param currentKey the new input value, saved in the method
-     * @return True, if these are the same keys
-     */
-    public static boolean isSameKey(int currentKey) {
-
-        boolean returnValue = false;
-
-        if (lastKeyDown == currentKey && currentKey != -1) {
-            returnValue = true;
-        }
-
-        lastKeyDown = currentKey;
-        return returnValue;
-
-    }
-
-    /**
-     * Return the times Strg was pressed before reseting
-     *
-     * @param strgDown false, if reset
-     * @return A number of tick strg was down before
-     */
-    public static int getStrgTimesDown(boolean strgDown) {
-
-        if (!strgDown)
-            strgTimesDown = 0;
-
-        return ++strgTimesDown;
-
-    }
-}

src/main/java/de/skate702/craftingkeys/config/Config.java

@@ -14,28 +14,37 @@ public class Config {
     /**
      * Defines the config string for the keys-category.
      */
-    public static final String categoryKeys = "keys";
+    protected static final String categoryKeys = "keys";
 
     /**
      * Defines the config string for the other-category.
      */
-    public static final String categoryOther = "other";
+    protected static final String categoryOther = "other";
-    /**
-     * Defines all 11 Keys you can use with Crafting Keys.
-     */
-    public static Property keyTopLeft, keyTopCenter, keyTopRight,
-            keyCenterLeft, keyCenterCenter, keyCenterRight,
-            keyLowerLeft, keyLowerCenter, keyLowerRight,
-            keyStack, keyInteract;
-    /**
-     * Defines, if NumPad is always active for crafting.
-     */
-    public static Property enableNumPad;
-
     /**
      * Provides the Suggested Config File.
      */
-    public static Configuration configFile;
+    protected static Configuration configFile = null;
+    /**
+     * Defines all 11 Keys you can use with Crafting Keys.
+     */
+    private static Property keyTopLeft, keyTopCenter, keyTopRight,
+            keyCenterLeft, keyCenterCenter, keyCenterRight,
+            keyLowerLeft, keyLowerCenter, keyLowerRight,
+            keyStack, keyInteract, keyDrop;
+    /**
+     * Defines, if NumPad is always active for crafting.
+     */
+    private static Property enableNumPad;
+
+    public static boolean isNumPadEnabled() {
+        return enableNumPad.getBoolean(true);
+    }
+
+
+    public static int getKeyCode(KeyType key) {
+        //return ((Property)(Config.class.getField((key.toString())))..getInt(-1); // TODO!
+        return 0;
+    }
 
     /**
      * Initializes the configFile Files, loads all values (or sets them to default).
@@ -59,7 +68,12 @@ public class Config {
      */
     public static void syncConfig() {
 
-        syncProperties();
+        if (configFile == null) {
+            // TODO: Throw Error!
+            return;
+        }
+
+        syncProperties(); // TODO: Why here?
 
         if (configFile.hasChanged())
             configFile.save();
@@ -101,8 +115,9 @@ public class Config {
 
         // Special Keys
 
-        keyStack = configFile.get(categoryKeys, "Stack Key", Keyboard.KEY_LSHIFT, "Key to move stacks instead of single items");
+        keyStack = configFile.get(categoryKeys, "Stack Key", Keyboard.KEY_LSHIFT, "Key to move stacks instead of single items (key value)");
-        keyInteract = configFile.get(categoryKeys, "Interaction Key", Keyboard.KEY_LCONTROL, "Key to interact with e.g. crafting output");
+        keyInteract = configFile.get(categoryKeys, "Interaction Key", Keyboard.KEY_LCONTROL, "Key to interact with e.g. crafting output (key value)");
+        keyDrop = configFile.get(categoryKeys, "Drop Key", Keyboard.KEY_SPACE, "Key to drop all items from crafting (key value)");
 
         // Other Settings
 
@@ -110,4 +125,11 @@ public class Config {
 
     }
 
+    public enum KeyType {
+        keyTopLeft, keyTopCenter, keyTopRight,
+        keyCenterLeft, keyCenterCenter, keyCenterRight,
+        keyLowerLeft, keyLowerCenter, keyLowerRight,
+        keyStack, keyInteract, keyDrop
+    }
+
 }

src/main/java/de/skate702/craftingkeys/config/ConfigGui.java

@@ -17,7 +17,6 @@ public class ConfigGui extends GuiConfig {
     public ConfigGui(GuiScreen parent) {
         super(parent, getConfigElements(),
                 CraftingKeys.MODID, false, false, CraftingKeys.NAME);
-
     }
 
     /**
@@ -28,8 +27,8 @@ public class ConfigGui extends GuiConfig {
     private static List<IConfigElement> getConfigElements() {
         List<IConfigElement> list = new ArrayList<IConfigElement>();
 
-        list.add(categoryElement(Config.categoryKeys, Config.categoryKeys, "de.skate702.craftingkeys.keys"));
+        list.add(categoryElement(Config.categoryKeys, Config.categoryKeys, "de.skate702.craftingkeys.config.keys"));
-        list.add(categoryElement(Config.categoryOther, Config.categoryOther, "de.skate702.craftingkeys.other"));
+        list.add(categoryElement(Config.categoryOther, Config.categoryOther, "de.skate702.craftingkeys.config.other"));
 
         return list;
     }

src/main/java/de/skate702/craftingkeys/config/KeyBindings.java

@@ -1,4 +1,4 @@
-package de.skate702.craftingkeys;
+package de.skate702.craftingkeys.config;
 
 import cpw.mods.fml.client.registry.ClientRegistry;
 import net.minecraft.client.Minecraft;

src/main/java/de/skate702/craftingkeys/manager/ContainerManager.java

@@ -1,7 +1,8 @@
 package de.skate702.craftingkeys.manager;
 
 import de.skate702.craftingkeys.CraftingKeys;
-import de.skate702.craftingkeys.Helper;
+import de.skate702.craftingkeys.util.Helper;
+import de.skate702.craftingkeys.util.Util;
 import net.minecraft.inventory.Container;
 import net.minecraft.inventory.Slot;
 import net.minecraft.item.ItemStack;
@@ -143,7 +144,7 @@ public class ContainerManager {
         // Check for Item-Type
         ItemStack stackToMove;
         if (isHeld) {
-            stackToMove = Helper.client.thePlayer.inventory.getItemStack();
+            stackToMove = Util.client.thePlayer.inventory.getItemStack();
         } else {
             putItemAway(isCraftingGUI);
             stackToMove = getItemStack(sourceIndex);
@@ -177,7 +178,7 @@ public class ContainerManager {
 
     private void putItemAway(boolean isCraftingGUI) {
         // Put current Item away
-        if (Helper.client.thePlayer.inventory.getItemStack() != null) {
+        if (Util.client.thePlayer.inventory.getItemStack() != null) {
             putStackToNextEmptySlot(-1, isCraftingGUI, true);
         }
     }
@@ -247,8 +248,8 @@ public class ContainerManager {
 
         int rightClickData = (rightClick) ? 1 : 0;
 
-        CraftingKeys.instance.proxy.sendSlotClick(Helper.client.playerController, container.windowId, index,
+        CraftingKeys.instance.proxy.sendSlotClick(Util.client.playerController, container.windowId, index,
-                rightClickData, 0, Helper.client.thePlayer);
+                rightClickData, 0, Util.client.thePlayer);
 
     }
 

src/main/java/de/skate702/craftingkeys/util/Helper.java

@@ -0,0 +1,91 @@
+package de.skate702.craftingkeys.util;
+
+import org.lwjgl.input.Keyboard;
+
+/**
+ * This helper class provides some static helping Methods and Constants.
+ *
+ * @author sebastian
+ */
+public class Helper {
+
+    /**
+     * If true, there are Debug-Output-Prints from debugPrint(msg).
+     */
+    public static final boolean DEBUG = true;
+
+
+    /**
+     * Saves the times strg was pressed before reseting
+     */
+    private static int strgTimesDown = 0;
+
+    /**
+     * Standart Output for Debug-Messages - Depends on DEBUG-Constant.
+     *
+     * @param message The Debug-Message. Syntax: "methodname(): Message"
+     */
+    @Deprecated
+    public static void debugPrint(String message) {
+
+        if (DEBUG) {
+            System.out.println("CK-DEBUG: " + message);
+        }
+
+    }
+
+    /**
+     * Reads the current Keyboard-Input and converts it to a Inventory-Slot.
+     *
+     * @return A Inventory-Slot (based on CraftingGUI), -1 for wrong input, -2
+     * for space
+     */
+    @Deprecated
+    public static int craftingKeyDownToSlotNumber() {
+
+        // TODO: Make this dynamic! // Use Settings
+        // TODO: This has to be the job of the manager
+
+        int returnValue = -1;
+
+        if (Keyboard.isKeyDown(Keyboard.KEY_Q)) {
+            returnValue = 1;
+        } else if (Keyboard.isKeyDown(Keyboard.KEY_W)) {
+            returnValue = 2;
+        } else if (Keyboard.isKeyDown(Keyboard.KEY_E)) {
+            returnValue = 3;
+        } else if (Keyboard.isKeyDown(Keyboard.KEY_A)) {
+            returnValue = 4;
+        } else if (Keyboard.isKeyDown(Keyboard.KEY_S)) {
+            returnValue = 5;
+        } else if (Keyboard.isKeyDown(Keyboard.KEY_D)) {
+            returnValue = 6;
+        } else if (Keyboard.isKeyDown(Keyboard.KEY_Y)) {
+            returnValue = 7;
+        } else if (Keyboard.isKeyDown(Keyboard.KEY_X)) {
+            returnValue = 8;
+        } else if (Keyboard.isKeyDown(Keyboard.KEY_C)) {
+            returnValue = 9;
+        } else if (Keyboard.isKeyDown(Keyboard.KEY_SPACE)) {
+            returnValue = -2;
+        }
+
+        return returnValue;
+    }
+
+    /**
+     * Return the times Strg was pressed before reseting
+     *
+     * @param strgDown false, if reset
+     * @return A number of tick strg was down before
+     */
+    @Deprecated
+    public static int getStrgTimesDown(boolean strgDown) {
+
+        if (!strgDown)
+            strgTimesDown = 0;
+
+        return ++strgTimesDown;
+
+    }
+}

src/main/java/de/skate702/craftingkeys/util/InputUtil.java

@@ -0,0 +1,109 @@
+package de.skate702.craftingkeys.util;
+
+import net.minecraft.client.gui.inventory.GuiContainer;
+import net.minecraft.inventory.Container;
+import net.minecraft.inventory.Slot;
+import org.lwjgl.input.Mouse;
+
+/**
+ * This class provides methods to interact with the Mouse and key input.
+ */
+public class InputUtil {
+
+    /**
+     * Saves the last Key that was Pressed
+     */
+    private static int lastKeyDown = -1;
+
+    /**
+     * Private Constructor, Utility Class.
+     */
+    private InputUtil() {
+    }
+
+    /**
+     * Returns the Slot at the current Mouse Position. [FROM GUICONTAINER]
+     *
+     * @param guiContainer The (Inventory) Container to work with.
+     * @return Returns the slot (or null)
+     */
+    public static Slot getSlotAtMousePosition(GuiContainer guiContainer) {
+        if (guiContainer != null) {
+            Container container = guiContainer.inventorySlots;
+
+            int x = getMouseX(guiContainer);
+            int y = getMouseY(guiContainer);
+            for (int k = 0; k < container.inventorySlots.size(); k++) {
+                Slot slot = (Slot) container.inventorySlots.get(k);
+                if (getIsMouseOverSlot(guiContainer, slot, x, y)) {
+                    return slot;
+                }
+            }
+            return null;
+        } else {
+            Helper.debugPrint("getSlotAtMousePosition(): guiContainer == null");
+            return null;
+        }
+    }
+
+    /**
+     * Returns, if the mouse cursor is over a specified slot [FROM GUICONTAINER]
+     *
+     * @param guiContainer the GuiContainer to work with
+     * @param slot         The spcified slot
+     * @param x            The Mouse x-Position
+     * @param y            The Mouse y-Position
+     * @return True, if the mouse is positioned over this slot. Otherwise false
+     */
+    private static boolean getIsMouseOverSlot(GuiContainer guiContainer, Slot slot, int x, int y) {
+        if (guiContainer != null) {
+
+            // Constants from Minecraft Source Code
+            x -= (guiContainer.width - 176) / 2;
+            y -= (guiContainer.height - 166) / 2;
+            return x >= slot.xDisplayPosition - 1 && x < slot.xDisplayPosition + 16 + 1
+                    && y >= slot.yDisplayPosition - 1 && y < slot.yDisplayPosition + 16 + 1;
+        } else {
+            return false;
+        }
+    }
+
+    /**
+     * Returns a calculated Mouse Position for getSlotAtMousePosition().
+     *
+     * @param guiContainer the GuiContainer to work with
+     * @return The relative Mouse-Position
+     */
+    private static int getMouseX(GuiContainer guiContainer) {
+        return (Mouse.getEventX() * guiContainer.width) / Util.client.displayWidth;
+    }
+
+    /**
+     * Returns a calculated Mouse Position for getSlotAtMousePosition().
+     *
+     * @param guiContainer the GuiContainer to work with
+     * @return The relative Mouse-Position
+     */
+    private static int getMouseY(GuiContainer guiContainer) {
+        return guiContainer.height - (Mouse.getEventY() * guiContainer.height) / Util.client.displayHeight - 1;
+    }
+
+    /**
+     * Returns, if the current KeyValue is the same
+     *
+     * @param currentKey the new input value, saved in the method
+     * @return True, if these are the same keys
+     */
+    public static boolean isSameKey(int currentKey) {
+
+        boolean returnValue = false;
+
+        if (lastKeyDown == currentKey && currentKey != -1) {
+            returnValue = true;
+        }
+
+        lastKeyDown = currentKey;
+        return returnValue;
+
+    }
+}

src/main/java/de/skate702/craftingkeys/util/Util.java

@@ -0,0 +1,77 @@
+package de.skate702.craftingkeys.util;
+
+import cpw.mods.fml.client.FMLClientHandler;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.gui.GuiScreen;
+import net.minecraft.client.gui.inventory.GuiCrafting;
+import net.minecraft.util.ChatComponentTranslation;
+
+/**
+ * Provides basic utility methods. For input methods, look at InputUtil.
+ */
+public class Util {
+
+    /**
+     * Current Instance Client, used for a lot of operations.
+     */
+    public static Minecraft client = FMLClientHandler.instance().getClient();
+    /**
+     * Only used by isFirstInWorldTick()
+     */
+    private static boolean firstInWorldTick = true;
+
+    /**
+     * Private Constructor. This is a utility class!
+     */
+    private Util() {
+    }
+
+    /**
+     * Returns, if this is the first method call in a fresh opened world.
+     *
+     * @return True, if this is the first tick
+     */
+    public static boolean isFirstInWorldTick() {
+        if (firstInWorldTick && client.theWorld != null) {
+            firstInWorldTick = false;
+            return true;
+        } else if (client.theWorld == null) {
+            firstInWorldTick = true;
+        }
+        return false;
+    }
+
+    /**
+     * Prints a Message in chat with the given language key from lang-files.
+     *
+     * @param lang_key key from lang-file
+     */
+    public static void printMessage(String lang_key) {
+        client.thePlayer.addChatMessage(new ChatComponentTranslation(lang_key));
+    }
+
+    /**
+     * Prints a warning, that this mod is still in alpha-state.
+     */
+    public static void printWarning() {
+        printMessage("de.skate702.craftingkeys.warn.line1");
+        printMessage("de.skate702.craftingkeys.warn.line2");
+        printMessage("de.skate702.craftingkeys.warn.line3");
+    }
+
+    /**
+     * Returns true, if the current Screen is a instance of GUI-Screen.
+     *
+     * @param screen The input Screen
+     * @return True, if GuiScreen; False if null
+     */
+    public static boolean isCraftingGUI(GuiScreen screen) {
+
+        if (screen != null) {
+            if (screen instanceof GuiCrafting) {
+                return true;
+            }
+        }
+        return false;
+    }
+}

src/main/resources/assets/craftingkeys/lang/de_DE.lang

@@ -1 +1,4 @@
-# dummy 
+# Warning
+de.skate702.craftingkeys.warn.line1=Achtung: Crafting-Keys befindet sich in der Alpha!
+de.skate702.craftingkeys.warn.line2=Es gibt noch viele Fehler, und es fehlen noch einige Funktionen.
+de.skate702.craftingkeys.warn.line3=Mehr Info's findest du auf: https://github.com/0xSeb/CraftingKeys!

src/main/resources/assets/craftingkeys/lang/en_US.lang

@@ -15,7 +15,12 @@ key.interact=Interaction Key
 key.categories.craftingkeys=Crafting Keys
 
 # Config Stuff
-de.skate702.craftingkeys.keys=Keys
+de.skate702.craftingkeys.config.keys=Keys
-de.skate702.craftingkeys.other=Other
+de.skate702.craftingkeys.config.other=Other
-de.skate702.craftingkeys.keys.tooltip=Set your Keys here (Just google "LWJGL Key codes"!)
+de.skate702.craftingkeys.config.keys.tooltip=Set your Keys here (Just google "LWJGL Key codes"!)
-de.skate702.craftingkeys.other.tooltip=All other settings are here!
+de.skate702.craftingkeys.config.other.tooltip=All other settings are here!
+
+# Warning
+de.skate702.craftingkeys.warn.line1=Warning: Crafting Keys is still in development!
+de.skate702.craftingkeys.warn.line2=This mod is not complete and there are some errors left.
+de.skate702.craftingkeys.warn.line3=More Information: https://github.com/0xSeb/CraftingKeys!