Slabs fix and some cleaner reflection helpers

src/main/java/xyz/pixelatedw/finalbeta/ModConfig.java

@@ -59,6 +59,8 @@ public class ModConfig {
 			"Drops 3 books when breaking a bookshelf");
 	public static final Option<Boolean> FIX_DOUBLE_DOORS = make("Fix Double Doors", true,
 			"Fixes double doors not being in their correct state when pressure plates are used to open them");
+	public static final Option<Boolean> FIX_SLABS_RECIPE = make("Fix Slabs Recipe", true,
+			"Givs two slabs for every block, since 1 block = 2 slabs => 3 blocks = 6 slabs (instead of 3)");
 	
 	private static ModConfig instance = new ModConfig();
 	public static final ModConfig instance() {

src/main/java/xyz/pixelatedw/finalbeta/WyHelper.java

@@ -33,36 +33,42 @@ public class WyHelper {
 		INSTANCE = getInstance();
 	}
 
+	public static Field getField(Class clz, String... names) {
+		for (String name : names) {
+			try {
+				Field field = clz.getDeclaredField(name);
+				field.setAccessible(true);
+				return field;
+			} catch (NoSuchFieldException ex) {
+				continue;
+			}
+		}
+		return null;
+	}
+	
+	public static Method getMethod(Class clz, String[] names, Class<?>... params) {
+		for (String name : names) {
+			try {
+				Method method = clz.getDeclaredMethod(name, params);
+				method.setAccessible(true);
+				return method;
+			} catch (NoSuchMethodException ex) {
+				continue;
+			}
+		}
+		return null;
+	}
+	
 	public static Minecraft getInstance() {
 		if (INSTANCE != null) {
 			return INSTANCE;
 		} else {
 			try {
-				Field field = null;
+				return (Minecraft) getField(Minecraft.class, "instance", "field_2791").get(null);
-
-				try {
-					field = Minecraft.class.getDeclaredField("instance");
-				} catch (NoSuchFieldException ex) {
-					try {
-						field = Minecraft.class.getDeclaredField("field_2791");
-					} catch (NoSuchFieldException | SecurityException e) {
-						e.printStackTrace();
-					}
-				} catch (Exception e) {
-					e.printStackTrace();
-				}
-
-				if (field == null) {
-					return null;
-				}
-
-				field.setAccessible(true);
-				return (Minecraft) field.get(null);
 			} catch (IllegalArgumentException | IllegalAccessException e) {
 				e.printStackTrace();
+				return null;
 			}
-
-			return null;
 		}
 	}
 
@@ -89,24 +95,13 @@ public class WyHelper {
 	}
 
 	public static void registerWhiteWoolRecipe() {
-		Method method = null;
+		Method method = getMethod(RecipeRegistry.class, new String[] { "addShapelessRecipe", "method_542" }, ItemInstance.class, Object[].class);
-		try {
-			method = RecipeRegistry.class.getDeclaredMethod("addShapelessRecipe", ItemInstance.class, Object[].class);
-		} catch (NoSuchMethodException ex) {
-			try {
-				method = RecipeRegistry.class.getDeclaredMethod("method_542", ItemInstance.class, Object[].class);
-			} catch (NoSuchMethodException | SecurityException e) {
-				e.printStackTrace();
-			}
-		}
 
 		if (method == null) {
 			return;
 		}
 
 		try {
-			method.setAccessible(true);
-
 			// Makes new recipes for all colored wools so they can be dyed back
 			// white using bone meal
 			for (int colorId = 0; colorId < 16; ++colorId) {
@@ -119,10 +114,13 @@ public class WyHelper {
 	}
 	
 	public static void cheatCommand(Player player) {
-//		player.level.setLevelTime(0);
+		
-//		player.level.getProperties().setRaining(false);
+		player.dropItem(new ItemInstance(ItemType.redstone, 64));
-//		player.level.getProperties().setRainTime(0);
+		
-//		player.level.getProperties().setThundering(false);
+		player.level.setLevelTime(0);
-//		player.level.getProperties().setThunderTime(0);
+		player.level.getProperties().setRaining(false);
+		player.level.getProperties().setRainTime(0);
+		player.level.getProperties().setThundering(false);
+		player.level.getProperties().setThunderTime(0);
 	}
 }

src/main/java/xyz/pixelatedw/finalbeta/mixin/RecipeRegistryMixin.java

@@ -0,0 +1,35 @@
+package xyz.pixelatedw.finalbeta.mixin;
+
+import java.util.List;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+import net.minecraft.item.ItemInstance;
+import net.minecraft.item.StoneSlabItem;
+import net.minecraft.recipe.Recipe;
+import net.minecraft.recipe.RecipeRegistry;
+import xyz.pixelatedw.finalbeta.ModConfig;
+
+@Mixin(RecipeRegistry.class)
+public class RecipeRegistryMixin {
+
+	@Shadow
+	private List<Recipe> recipes;
+	
+	@Inject(method = "<init>", at = @At("TAIL"))
+	private void recipesChanges(CallbackInfo ci) {
+		if(ModConfig.FIX_SLABS_RECIPE.get()) {
+			for (Recipe recipe : this.recipes) {
+				ItemInstance itemStack = recipe.getOutput();
+				if (itemStack.getType() instanceof StoneSlabItem) {
+					itemStack.count = 6;
+				}
+			}			
+		}
+	}
+	
+}

src/main/resources/finalbeta.mixins.json

@@ -38,7 +38,8 @@
     "LevelMixin",
     "DoorTileMixin",
     "CraftingContainerMixin",
-    "CraftingInventoryMixin"
+    "CraftingInventoryMixin",
+    "RecipeRegistryMixin"
   ],
   "injectors": {
     "defaultRequire": -1