niceities

7 files changed, 671 insertions, 488 deletions

diff --git a/src/main/java/io/github/moulberry/notenoughupdates/NEUManager.java b/src/main/java/io/github/moulberry/notenoughupdates/NEUManager.java
index abe0bdcf..0e683e5a 100644
--- a/src/main/java/io/github/moulberry/notenoughupdates/NEUManager.java
+++ b/src/main/java/io/github/moulberry/notenoughupdates/NEUManager.java
@@ -1570,4 +1570,10 @@ public class NEUManager {
 			}
 		}
 	}
+
+	public ItemStack createItem(String internalname) {
+		JsonObject jsonObject = itemMap.get(internalname);
+		if (jsonObject == null) return null;
+		return jsonToStack(jsonObject);
+	}
 }
diff --git a/src/main/java/io/github/moulberry/notenoughupdates/NotEnoughUpdates.java b/src/main/java/io/github/moulberry/notenoughupdates/NotEnoughUpdates.java
index 0a77c677..6b2fd09e 100644
--- a/src/main/java/io/github/moulberry/notenoughupdates/NotEnoughUpdates.java
+++ b/src/main/java/io/github/moulberry/notenoughupdates/NotEnoughUpdates.java
@@ -35,6 +35,7 @@ import io.github.moulberry.notenoughupdates.miscfeatures.customblockzones.Custom
 import io.github.moulberry.notenoughupdates.miscfeatures.customblockzones.DwarvenMinesTextures;
 import io.github.moulberry.notenoughupdates.miscgui.CalendarOverlay;
 import io.github.moulberry.notenoughupdates.miscgui.InventoryStorageSelector;
+import io.github.moulberry.notenoughupdates.mixins.AccessorMinecraft;
 import io.github.moulberry.notenoughupdates.options.NEUConfig;
 import io.github.moulberry.notenoughupdates.overlays.FuelBar;
 import io.github.moulberry.notenoughupdates.overlays.OverlayManager;
@@ -58,6 +59,7 @@ import net.minecraft.world.biome.BiomeGenJungle;
 import net.minecraft.world.biome.BiomeGenMesa;
 import net.minecraft.world.biome.BiomeGenSnow;
 import net.minecraftforge.common.MinecraftForge;
+import net.minecraftforge.fml.client.FMLClientHandler;
 import net.minecraftforge.fml.client.registry.ClientRegistry;
 import net.minecraftforge.fml.common.Mod;
 import net.minecraftforge.fml.common.Mod.EventHandler;
@@ -160,6 +162,13 @@ public class NotEnoughUpdates {
 		return this.neuDir;
 	}
 
+	public NotEnoughUpdates() {
+		// Budget Construction Event
+		((AccessorMinecraft) FMLClientHandler.instance().getClient())
+			.onGetDefaultResourcePacks()
+			.add(new NEURepoResourcePack(null, "neurepo"));
+	}
+
 	/**
 	 * Instantiates NEUIo, NEUManager and NEUOverlay instances. Registers keybinds and adds a shutdown hook to clear tmp folder.
 	 */
diff --git a/src/main/java/io/github/moulberry/notenoughupdates/miscgui/GuiItemRecipe.java b/src/main/java/io/github/moulberry/notenoughupdates/miscgui/GuiItemRecipe.java
index 127fa911..9256a193 100644
--- a/src/main/java/io/github/moulberry/notenoughupdates/miscgui/GuiItemRecipe.java
+++ b/src/main/java/io/github/moulberry/notenoughupdates/miscgui/GuiItemRecipe.java
@@ -6,15 +6,12 @@ import io.github.moulberry.notenoughupdates.recipes.NeuRecipe;
 import io.github.moulberry.notenoughupdates.recipes.RecipeSlot;
 import io.github.moulberry.notenoughupdates.recipes.RecipeType;
 import io.github.moulberry.notenoughupdates.util.Utils;
-import net.minecraft.block.state.BlockState;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.FontRenderer;
 import net.minecraft.client.gui.GuiScreen;
 import net.minecraft.client.gui.ScaledResolution;
 import net.minecraft.client.renderer.GlStateManager;
 import net.minecraft.entity.player.InventoryPlayer;
-import net.minecraft.init.Blocks;
-import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
 import net.minecraft.util.EnumChatFormatting;
 import net.minecraft.util.MathHelper;
@@ -23,264 +20,342 @@ import org.lwjgl.input.Keyboard;
 import org.lwjgl.input.Mouse;
 import org.lwjgl.opengl.GL11;
 
-import java.awt.Color;
+import java.awt.*;
 import java.io.IOException;
+import java.util.List;
 import java.util.*;
 
 public class GuiItemRecipe extends GuiScreen {
-    public static final ResourceLocation resourcePacksTexture = new ResourceLocation("textures/gui/resource_packs.png");
-    public static final ResourceLocation tabsTexture = new ResourceLocation("notenoughupdates", "textures/gui/tab.png");
-
-    public static final int SLOT_SIZE = 16;
-    public static final int SLOT_SPACING = SLOT_SIZE + 2;
-    public static final int BUTTON_WIDTH = 7;
-    public static final int BUTTON_HEIGHT = 11;
-    public static final int BUTTON_POSITION_Y = 90;
-    public static final int BUTTON_POSITION_LEFT_X = 110;
-    public static final int BUTTON_POSITION_RIGHT_X = 147;
-    public static final int PAGE_STRING_X = 132;
-    public static final int PAGE_STRING_Y = BUTTON_POSITION_Y+6;
-    public static final int TITLE_X = 28;
-    public static final int TITLE_Y = 6;
-    public static final int HOTBAR_SLOT_X = 8;
-    public static final int HOTBAR_SLOT_Y = 197;
-    public static final int PLAYER_INVENTORY_X = 8;
-    public static final int PLAYER_INVENTORY_Y = 140;
-    public static final int TAB_POS_X = -26;
-    public static final int TAB_POS_Y = 8;
-    public static final int TAB_OFFSET_Y = 30;
-    public static final int TAB_SIZE_X = 26;
-    public static final int TAB_SIZE_Y = 30;
-    public static final int TAB_TEXTURE_SIZE_X = 29;
-
-
-    private int currentIndex = 0;
-    private int currentTab = 0;
-
-    private final String title;
-    private final Map<RecipeType, List<NeuRecipe>> craftingRecipes = new HashMap<>();
-    private final List<RecipeType> tabs = new ArrayList<>();
-    private final NEUManager manager;
-
-    public int guiLeft = 0;
-    public int guiTop = 0;
-    public int xSize = 176;
-    public int ySize = 222;
-
-    public GuiItemRecipe(String title, List<NeuRecipe> unsortedRecipes, NEUManager manager) {
-        this.manager = manager;
-        this.title = title;
-
-        for (NeuRecipe recipe : unsortedRecipes) {
-            craftingRecipes.computeIfAbsent(recipe.getType(), ignored -> new ArrayList<>()).add(recipe);
-            if (!tabs.contains(recipe.getType()))
-                tabs.add(recipe.getType());
-        }
-    }
-
-    public NeuRecipe getCurrentRecipe() {
-        List<NeuRecipe> currentRecipes = getCurrentRecipeList();
-        currentIndex = MathHelper.clamp_int(currentIndex, 0, currentRecipes.size() - 1);
-        return currentRecipes.get(currentIndex);
-    }
-
-    public List<NeuRecipe> getCurrentRecipeList() {
-        return craftingRecipes.get(getCurrentTab());
-    }
-
-    public RecipeType getCurrentTab() {
-        currentTab = MathHelper.clamp_int(currentTab, 0, tabs.size() - 1);
-        return tabs.get(currentTab);
-    }
-
-
-    public boolean isWithinRect(int x, int y, int topLeftX, int topLeftY, int width, int height) {
-        return topLeftX <= x && x <= topLeftX + width
-                && topLeftY <= y && y <= topLeftY + height;
-    }
-
-    private ImmutableList<RecipeSlot> getAllRenderedSlots() {
-        return ImmutableList.<RecipeSlot>builder()
-                .addAll(getPlayerInventory())
-                .addAll(getCurrentRecipe().getSlots()).build();
-    }
-
-    @Override
-    public void drawScreen(int mouseX, int mouseY, float partialTicks) {
-        drawDefaultBackground();
-        FontRenderer fontRendererObj = Minecraft.getMinecraft().fontRendererObj;
-
-        this.guiLeft = (width - this.xSize) / 2;
-        this.guiTop = (height - this.ySize) / 2;
-
-        GlStateManager.color(1.0F, 1.0F, 1.0F, 1.0F);
-
-        NeuRecipe currentRecipe = getCurrentRecipe();
-
-        Minecraft.getMinecraft().getTextureManager().bindTexture(currentRecipe.getBackground());
-        this.drawTexturedModalRect(guiLeft, guiTop, 0, 0, this.xSize, this.ySize);
-
-        drawTabs();
-
-        currentRecipe.drawExtraBackground(this, mouseX, mouseY);
-
-        List<RecipeSlot> slots = getAllRenderedSlots();
-        for (RecipeSlot slot : slots) {
-            Utils.drawItemStack(slot.getItemStack(), slot.getX(this), slot.getY(this));
-        }
-
-        drawArrows(mouseX, mouseY);
-
-        Utils.drawStringScaledMaxWidth(title, fontRendererObj, guiLeft + TITLE_X, guiTop + TITLE_Y, false, xSize - 38, 0x404040);
-
-        currentRecipe.drawExtraInfo(this, mouseX, mouseY);
-
-        for (RecipeSlot slot : slots) {
-            if (isWithinRect(mouseX, mouseY, slot.getX(this), slot.getY(this), SLOT_SIZE, SLOT_SIZE)) {
-                if (slot.getItemStack() == null) continue;
-                Utils.drawHoveringText(slot.getItemStack().getTooltip(Minecraft.getMinecraft().thePlayer, false), mouseX, mouseY, width, height, -1, fontRendererObj);
-            }
-        }
-        currentRecipe.drawHoverInformation(this, mouseX, mouseY);
-        drawTabHoverInformation(mouseX, mouseY);
-    }
-
-    private void drawTabHoverInformation(int mouseX, int mouseY) {
-        if (tabs.size() < 2) return;
-        for (int i = 0; i < tabs.size(); i++) {
-            if (isWithinRect(mouseX - guiLeft, mouseY - guiTop, TAB_POS_X, TAB_POS_Y + TAB_OFFSET_Y * i, TAB_SIZE_X, TAB_SIZE_Y)) {
-                RecipeType type = tabs.get(i);
-                Utils.drawHoveringText(
-                        Arrays.asList(
-                                "" + EnumChatFormatting.RESET + EnumChatFormatting.GREEN + type.getLabel(),
-                                "" + EnumChatFormatting.RESET + EnumChatFormatting.GRAY + craftingRecipes.get(type).size() + " Recipes"
-                        ),
-                        mouseX, mouseY, width, height, -1, Minecraft.getMinecraft().fontRendererObj);
-                return;
-            }
-        }
-    }
-
-    private void drawTabs() {
-        if (tabs.size() < 2) return;
-        for (int i = 0; i < tabs.size(); i++) {
-            RecipeType recipeType = tabs.get(i);
-            int tabPosX = guiLeft + TAB_POS_X, tabPosY = guiTop + TAB_OFFSET_Y * i + TAB_POS_Y;
-            int textureOffset = 0;
-            if (currentTab == i) {
-                textureOffset = 30;
-            }
-            Minecraft.getMinecraft().getTextureManager().bindTexture(tabsTexture);
-            drawTexturedModalRect(
-                    tabPosX, tabPosY,
-                    0, textureOffset,
-                    TAB_TEXTURE_SIZE_X, TAB_SIZE_Y
-            );
-            Minecraft.getMinecraft().getTextureManager().bindTexture(recipeType.getIcon());
-            drawTexturedModalRect(tabPosX + 7, tabPosY + 7, 6, 0, 16, 16);
-        }
-    }
-
-    private void drawArrows(int mouseX, int mouseY) {
-        int recipeCount = getCurrentRecipeList().size();
-        if (recipeCount < 2) return;
-        boolean leftSelected = isWithinRect(mouseX - guiLeft, mouseY - guiTop, BUTTON_POSITION_LEFT_X, BUTTON_POSITION_Y, BUTTON_WIDTH, BUTTON_HEIGHT);
-        boolean rightSelected = isWithinRect(mouseX - guiLeft, mouseY - guiTop, BUTTON_POSITION_RIGHT_X, BUTTON_POSITION_Y, BUTTON_WIDTH, BUTTON_HEIGHT);
-        Minecraft.getMinecraft().getTextureManager().bindTexture(resourcePacksTexture);
-
-        if (currentIndex != 0)
-            Utils.drawTexturedRect(guiLeft + BUTTON_POSITION_LEFT_X, guiTop + BUTTON_POSITION_Y, BUTTON_WIDTH, BUTTON_HEIGHT,
-                    34 / 256f, 48 / 256f,
-                    leftSelected ? 37 / 256f : 5 / 256f, leftSelected ? 59 / 256f : 27 / 256f
-            );
-        if (currentIndex != recipeCount - 1)
-            Utils.drawTexturedRect(guiLeft + BUTTON_POSITION_RIGHT_X, guiTop + BUTTON_POSITION_Y, BUTTON_WIDTH, BUTTON_HEIGHT,
-                    10 / 256f, 24 / 256f,
-                    rightSelected ? 37 / 256f : 5 / 256f, rightSelected ? 59 / 256f : 27 / 256f
-            );
-        GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);
-
-        String selectedPage = (currentIndex + 1) + "/" + recipeCount;
-
-        Utils.drawStringCenteredScaledMaxWidth(selectedPage, fontRendererObj,
-                guiLeft + PAGE_STRING_X, guiTop + PAGE_STRING_Y, false, 24, Color.BLACK.getRGB());
-    }
-
-    public List<RecipeSlot> getPlayerInventory() {
-        List<RecipeSlot> slots = new ArrayList<>();
-        ItemStack[] inventory = Minecraft.getMinecraft().thePlayer.inventory.mainInventory;
-        int hotbarSize = InventoryPlayer.getHotbarSize();
-        for (int i = 0; i < inventory.length; i++) {
-            ItemStack item = inventory[i];
-            if (item == null || item.stackSize == 0) continue;
-            int row = i / hotbarSize;
-            int col = i % hotbarSize;
-            if (row == 0)
-                slots.add(new RecipeSlot(HOTBAR_SLOT_X + i * SLOT_SPACING, HOTBAR_SLOT_Y, item));
-            else
-                slots.add(new RecipeSlot(PLAYER_INVENTORY_X + col * SLOT_SPACING, PLAYER_INVENTORY_Y + (row - 1) * SLOT_SPACING, item));
-        }
-        return slots;
-    }
-
-    @Override
-    public void handleKeyboardInput() throws IOException {
-        super.handleKeyboardInput();
-
-        ScaledResolution scaledResolution = new ScaledResolution(Minecraft.getMinecraft());
-        int width = scaledResolution.getScaledWidth();
-        int height = scaledResolution.getScaledHeight();
-        int mouseX = Mouse.getX() * width / Minecraft.getMinecraft().displayWidth;
-        int mouseY = height - Mouse.getY() * height / Minecraft.getMinecraft().displayHeight - 1;
-        int keyPressed = Keyboard.getEventKey() == 0 ? Keyboard.getEventCharacter()+256 : Keyboard.getEventKey();
-        if (Keyboard.getEventKeyState()) return;
-        for (RecipeSlot slot : getAllRenderedSlots()) {
-            if (isWithinRect(mouseX, mouseY, slot.getX(this), slot.getY(this), SLOT_SIZE, SLOT_SIZE)) {
-                ItemStack itemStack = slot.getItemStack();
-                if (keyPressed == manager.keybindViewRecipe.getKeyCode()) {
-                    manager.displayGuiItemRecipe(manager.getInternalNameForItem(itemStack), null);
-                } else if (keyPressed == manager.keybindViewUsages.getKeyCode()) {
-                    manager.displayGuiItemUsages(manager.getInternalNameForItem(itemStack));
-                }
-            }
-        }
-    }
-
-    @Override
-    protected void mouseClicked(int mouseX, int mouseY, int mouseButton) throws IOException {
-        super.mouseClicked(mouseX, mouseY, mouseButton);
-
-        if (isWithinRect(mouseX - guiLeft, mouseY - guiTop, BUTTON_POSITION_LEFT_X, BUTTON_POSITION_Y, BUTTON_WIDTH, BUTTON_HEIGHT) &&
-                currentIndex > 0) {
-            currentIndex = currentIndex - 1;
-            Utils.playPressSound();
-            return;
-        }
-
-        if (isWithinRect(mouseX - guiLeft, mouseY - guiTop, BUTTON_POSITION_RIGHT_X, BUTTON_POSITION_Y, BUTTON_WIDTH, BUTTON_HEIGHT) &&
-                currentIndex < getCurrentRecipeList().size()) {
-            currentIndex = currentIndex + 1;
-            Utils.playPressSound();
-            return;
-        }
-
-        for (int i = 0; i < tabs.size(); i++) {
-            if (isWithinRect(mouseX - guiLeft, mouseY - guiTop, TAB_POS_X, TAB_POS_Y + TAB_OFFSET_Y * i, TAB_SIZE_X, TAB_SIZE_Y)) {
-                currentTab = i;
-                Utils.playPressSound();
-                return;
-            }
-        }
-
-        for (RecipeSlot slot : getAllRenderedSlots()) {
-            if (isWithinRect(mouseX, mouseY, slot.getX(this), slot.getY(this), SLOT_SIZE, SLOT_SIZE)) {
-                ItemStack itemStack = slot.getItemStack();
-                if (mouseButton == 0) {
-                    manager.displayGuiItemRecipe(manager.getInternalNameForItem(itemStack), null);
-                } else if (mouseButton == 1) {
-                    manager.displayGuiItemUsages(manager.getInternalNameForItem(itemStack));
-                }
-            }
-        }
-    }
+	public static final ResourceLocation resourcePacksTexture = new ResourceLocation("textures/gui/resource_packs.png");
+	public static final ResourceLocation tabsTexture = new ResourceLocation("notenoughupdates", "textures/gui/tab.png");
+
+	public static final int SLOT_SIZE = 16;
+	public static final int SLOT_SPACING = SLOT_SIZE + 2;
+	public static final int BUTTON_WIDTH = 7;
+	public static final int BUTTON_HEIGHT = 11;
+	public static final int TITLE_X = 28;
+	public static final int TITLE_Y = 6;
+	public static final int HOTBAR_SLOT_X = 8;
+	public static final int HOTBAR_SLOT_Y = 197;
+	public static final int PLAYER_INVENTORY_X = 8;
+	public static final int PLAYER_INVENTORY_Y = 140;
+	public static final int TAB_POS_X = -26;
+	public static final int TAB_POS_Y = 8;
+	public static final int TAB_OFFSET_Y = 30;
+	public static final int TAB_SIZE_X = 26;
+	public static final int TAB_SIZE_Y = 30;
+	public static final int TAB_TEXTURE_SIZE_X = 29;
+
+	private int currentIndex = 0;
+	private int currentTab = 0;
+
+	private final String title;
+	private final Map<RecipeType, List<NeuRecipe>> craftingRecipes = new HashMap<>();
+	private final List<RecipeType> tabs = new ArrayList<>();
+	private final NEUManager manager;
+
+	public int guiLeft = 0;
+	public int guiTop = 0;
+	public int xSize = 176;
+	public int ySize = 222;
+
+	public GuiItemRecipe(String title, List<NeuRecipe> unsortedRecipes, NEUManager manager) {
+		this.manager = manager;
+		this.title = title;
+
+		for (NeuRecipe recipe : unsortedRecipes) {
+			craftingRecipes.computeIfAbsent(recipe.getType(), ignored -> new ArrayList<>()).add(recipe);
+			if (!tabs.contains(recipe.getType()))
+				tabs.add(recipe.getType());
+		}
+	}
+
+	public NeuRecipe getCurrentRecipe() {
+		List<NeuRecipe> currentRecipes = getCurrentRecipeList();
+		currentIndex = MathHelper.clamp_int(currentIndex, 0, currentRecipes.size() - 1);
+		return currentRecipes.get(currentIndex);
+	}
+
+	public List<NeuRecipe> getCurrentRecipeList() {
+		return craftingRecipes.get(getCurrentTab());
+	}
+
+	public RecipeType getCurrentTab() {
+		currentTab = MathHelper.clamp_int(currentTab, 0, tabs.size() - 1);
+		return tabs.get(currentTab);
+	}
+
+	public boolean isWithinRect(int x, int y, int topLeftX, int topLeftY, int width, int height) {
+		return topLeftX <= x && x <= topLeftX + width
+			&& topLeftY <= y && y <= topLeftY + height;
+	}
+
+	private ImmutableList<RecipeSlot> getAllRenderedSlots() {
+		return ImmutableList.<RecipeSlot>builder()
+												.addAll(getPlayerInventory())
+												.addAll(getCurrentRecipe().getSlots()).build();
+	}
+
+	@Override
+	public void drawScreen(int mouseX, int mouseY, float partialTicks) {
+		drawDefaultBackground();
+		FontRenderer fontRendererObj = Minecraft.getMinecraft().fontRendererObj;
+
+		this.guiLeft = (width - this.xSize) / 2;
+		this.guiTop = (height - this.ySize) / 2;
+
+		GlStateManager.color(1.0F, 1.0F, 1.0F, 1.0F);
+
+		NeuRecipe currentRecipe = getCurrentRecipe();
+
+		Minecraft.getMinecraft().getTextureManager().bindTexture(currentRecipe.getBackground());
+		this.drawTexturedModalRect(guiLeft, guiTop, 0, 0, this.xSize, this.ySize);
+
+		drawTabs();
+
+		currentRecipe.drawExtraBackground(this, mouseX, mouseY);
+
+		List<RecipeSlot> slots = getAllRenderedSlots();
+		for (RecipeSlot slot : slots) {
+			Utils.drawItemStack(slot.getItemStack(), slot.getX(this), slot.getY(this));
+		}
+
+		drawArrows(currentRecipe, mouseX, mouseY);
+
+		Utils.drawStringScaledMaxWidth(
+			title,
+			fontRendererObj,
+			guiLeft + TITLE_X,
+			guiTop + TITLE_Y,
+			false,
+			xSize - 38,
+			0x404040
+		);
+
+		currentRecipe.drawExtraInfo(this, mouseX, mouseY);
+
+		for (RecipeSlot slot : slots) {
+			if (isWithinRect(mouseX, mouseY, slot.getX(this), slot.getY(this), SLOT_SIZE, SLOT_SIZE)) {
+				if (slot.getItemStack() == null) continue;
+				Utils.drawHoveringText(
+					slot.getItemStack().getTooltip(Minecraft.getMinecraft().thePlayer, false),
+					mouseX,
+					mouseY,
+					width,
+					height,
+					-1,
+					fontRendererObj
+				);
+			}
+		}
+		currentRecipe.drawHoverInformation(this, mouseX, mouseY);
+		drawTabHoverInformation(mouseX, mouseY);
+	}
+
+	private void drawTabHoverInformation(int mouseX, int mouseY) {
+		if (tabs.size() < 2) return;
+		for (int i = 0; i < tabs.size(); i++) {
+			if (isWithinRect(
+				mouseX - guiLeft,
+				mouseY - guiTop,
+				TAB_POS_X,
+				TAB_POS_Y + TAB_OFFSET_Y * i,
+				TAB_SIZE_X,
+				TAB_SIZE_Y
+			)) {
+				RecipeType type = tabs.get(i);
+				Utils.drawHoveringText(
+					Arrays.asList(
+						"" + EnumChatFormatting.RESET + EnumChatFormatting.GREEN + type.getLabel(),
+						"" + EnumChatFormatting.RESET + EnumChatFormatting.GRAY + craftingRecipes.get(type).size() + " Recipes"
+					),
+					mouseX, mouseY, width, height, -1, Minecraft.getMinecraft().fontRendererObj
+				);
+				return;
+			}
+		}
+	}
+
+	private void drawTabs() {
+		if (tabs.size() < 2) return;
+		for (int i = 0; i < tabs.size(); i++) {
+			RecipeType recipeType = tabs.get(i);
+			int tabPosX = guiLeft + TAB_POS_X, tabPosY = guiTop + TAB_OFFSET_Y * i + TAB_POS_Y;
+			int textureOffset = 0;
+			if (currentTab == i) {
+				textureOffset = 30;
+			}
+			Minecraft.getMinecraft().getTextureManager().bindTexture(tabsTexture);
+			drawTexturedModalRect(
+				tabPosX, tabPosY,
+				0, textureOffset,
+				TAB_TEXTURE_SIZE_X, TAB_SIZE_Y
+			);
+			Minecraft.getMinecraft().getTextureManager().bindTexture(recipeType.getIcon());
+			drawTexturedModalRect(tabPosX + 7, tabPosY + 7, 6, 0, 16, 16);
+		}
+	}
+
+	public static final int BUTTON_POSITION_RIGHT_OFFSET_X = 37;
+	public static final int PAGE_STRING_OFFSET_X = 22;
+	public static final int PAGE_STRING_OFFSET_Y = 6;
+
+	private void drawArrows(
+		NeuRecipe currentRecipe,
+		int mouseX,
+		int mouseY
+	) {
+		int recipeCount = getCurrentRecipeList().size();
+		if (recipeCount < 2) return;
+		int[] topLeft = currentRecipe.getPageFlipPositionLeftTopCorner();
+		int buttonPositionLeftX = topLeft[0];
+		int buttonPositionRightX = buttonPositionLeftX + BUTTON_POSITION_RIGHT_OFFSET_X;
+		int pageStringX = buttonPositionLeftX + PAGE_STRING_OFFSET_X;
+		int buttonPositionY = topLeft[1];
+		int pageStringY = buttonPositionY + PAGE_STRING_OFFSET_Y;
+
+		boolean leftSelected = isWithinRect(
+			mouseX - guiLeft,
+			mouseY - guiTop,
+			buttonPositionLeftX,
+			buttonPositionY,
+			BUTTON_WIDTH,
+			BUTTON_HEIGHT
+		);
+		boolean rightSelected = isWithinRect(
+			mouseX - guiLeft,
+			mouseY - guiTop,
+			buttonPositionRightX,
+			buttonPositionY,
+			BUTTON_WIDTH,
+			BUTTON_HEIGHT
+		);
+		Minecraft.getMinecraft().getTextureManager().bindTexture(resourcePacksTexture);
+
+		if (currentIndex != 0)
+			Utils.drawTexturedRect(guiLeft + buttonPositionLeftX, guiTop + buttonPositionY, BUTTON_WIDTH, BUTTON_HEIGHT,
+				34 / 256f, 48 / 256f,
+				leftSelected ? 37 / 256f : 5 / 256f, leftSelected ? 59 / 256f : 27 / 256f
+			);
+		if (currentIndex != recipeCount - 1)
+			Utils.drawTexturedRect(guiLeft + buttonPositionRightX, guiTop + buttonPositionY, BUTTON_WIDTH, BUTTON_HEIGHT,
+				10 / 256f, 24 / 256f,
+				rightSelected ? 37 / 256f : 5 / 256f, rightSelected ? 59 / 256f : 27 / 256f
+			);
+		GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);
+
+		String selectedPage = (currentIndex + 1) + "/" + recipeCount;
+
+		Utils.drawStringCenteredScaledMaxWidth(selectedPage, fontRendererObj,
+			guiLeft + pageStringX, guiTop + pageStringY, false, 24, Color.BLACK.getRGB()
+		);
+	}
+
+	public List<RecipeSlot> getPlayerInventory() {
+		List<RecipeSlot> slots = new ArrayList<>();
+		ItemStack[] inventory = Minecraft.getMinecraft().thePlayer.inventory.mainInventory;
+		int hotbarSize = InventoryPlayer.getHotbarSize();
+		for (int i = 0; i < inventory.length; i++) {
+			ItemStack item = inventory[i];
+			if (item == null || item.stackSize == 0) continue;
+			int row = i / hotbarSize;
+			int col = i % hotbarSize;
+			if (row == 0)
+				slots.add(new RecipeSlot(HOTBAR_SLOT_X + i * SLOT_SPACING, HOTBAR_SLOT_Y, item));
+			else
+				slots.add(new RecipeSlot(
+					PLAYER_INVENTORY_X + col * SLOT_SPACING,
+					PLAYER_INVENTORY_Y + (row - 1) * SLOT_SPACING,
+					item
+				));
+		}
+		return slots;
+	}
+
+	@Override
+	public void handleKeyboardInput() throws IOException {
+		super.handleKeyboardInput();
+
+		ScaledResolution scaledResolution = new ScaledResolution(Minecraft.getMinecraft());
+		int width = scaledResolution.getScaledWidth();
+		int height = scaledResolution.getScaledHeight();
+		int mouseX = Mouse.getX() * width / Minecraft.getMinecraft().displayWidth;
+		int mouseY = height - Mouse.getY() * height / Minecraft.getMinecraft().displayHeight - 1;
+		int keyPressed = Keyboard.getEventKey() == 0 ? Keyboard.getEventCharacter() + 256 : Keyboard.getEventKey();
+		if (Keyboard.getEventKeyState()) return;
+		for (RecipeSlot slot : getAllRenderedSlots()) {
+			if (isWithinRect(mouseX, mouseY, slot.getX(this), slot.getY(this), SLOT_SIZE, SLOT_SIZE)) {
+				ItemStack itemStack = slot.getItemStack();
+				if (keyPressed == manager.keybindViewRecipe.getKeyCode()) {
+					manager.displayGuiItemRecipe(manager.getInternalNameForItem(itemStack), null);
+				} else if (keyPressed == manager.keybindViewUsages.getKeyCode()) {
+					manager.displayGuiItemUsages(manager.getInternalNameForItem(itemStack));
+				}
+			}
+		}
+	}
+
+	@Override
+	protected void mouseClicked(int mouseX, int mouseY, int mouseButton) throws IOException {
+		super.mouseClicked(mouseX, mouseY, mouseButton);
+		NeuRecipe currentRecipe = getCurrentRecipe();
+		int[] topLeft = currentRecipe.getPageFlipPositionLeftTopCorner();
+		int buttonPositionLeftX = topLeft[0];
+		int buttonPositionRightX = buttonPositionLeftX + BUTTON_POSITION_RIGHT_OFFSET_X;
+		int buttonPositionY = topLeft[1];
+
+		if (isWithinRect(
+			mouseX - guiLeft,
+			mouseY - guiTop,
+			buttonPositionLeftX,
+			buttonPositionY,
+			BUTTON_WIDTH,
+			BUTTON_HEIGHT
+		) &&
+			currentIndex > 0) {
+			currentIndex = currentIndex - 1;
+			Utils.playPressSound();
+			return;
+		}
+
+		if (isWithinRect(
+			mouseX - guiLeft,
+			mouseY - guiTop,
+			buttonPositionRightX,
+			buttonPositionY,
+			BUTTON_WIDTH,
+			BUTTON_HEIGHT
+		) &&
+			currentIndex < getCurrentRecipeList().size()) {
+			currentIndex = currentIndex + 1;
+			Utils.playPressSound();
+			return;
+		}
+
+		for (int i = 0; i < tabs.size(); i++) {
+			if (isWithinRect(
+				mouseX - guiLeft,
+				mouseY - guiTop,
+				TAB_POS_X,
+				TAB_POS_Y + TAB_OFFSET_Y * i,
+				TAB_SIZE_X,
+				TAB_SIZE_Y
+			)) {
+				currentTab = i;
+				Utils.playPressSound();
+				return;
+			}
+		}
+
+		for (RecipeSlot slot : getAllRenderedSlots()) {
+			if (isWithinRect(mouseX, mouseY, slot.getX(this), slot.getY(this), SLOT_SIZE, SLOT_SIZE)) {
+				ItemStack itemStack = slot.getItemStack();
+				if (mouseButton == 0) {
+					manager.displayGuiItemRecipe(manager.getInternalNameForItem(itemStack), null);
+				} else if (mouseButton == 1) {
+					manager.displayGuiItemUsages(manager.getInternalNameForItem(itemStack));
+				}
+			}
+		}
+	}
 }
diff --git a/src/main/java/io/github/moulberry/notenoughupdates/recipes/MobLootRecipe.java b/src/main/java/io/github/moulberry/notenoughupdates/recipes/MobLootRecipe.java
index 5670f1bd..5cc32528 100644
--- a/src/main/java/io/github/moulberry/notenoughupdates/recipes/MobLootRecipe.java
+++ b/src/main/java/io/github/moulberry/notenoughupdates/recipes/MobLootRecipe.java
@@ -8,214 +8,258 @@ import io.github.moulberry.notenoughupdates.NEUManager;
 import io.github.moulberry.notenoughupdates.miscfeatures.entityviewer.EntityViewer;
 import io.github.moulberry.notenoughupdates.miscgui.GuiItemRecipe;
 import io.github.moulberry.notenoughupdates.profileviewer.Panorama;
+import io.github.moulberry.notenoughupdates.util.JsonUtils;
 import io.github.moulberry.notenoughupdates.util.Utils;
 import net.minecraft.client.Minecraft;
 import net.minecraft.entity.EntityLivingBase;
 import net.minecraft.util.ResourceLocation;
 
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Set;
 import java.util.stream.Collectors;
-import java.util.stream.StreamSupport;
 
 public class MobLootRecipe implements NeuRecipe {
 
-    private static final int MOB_POS_X = 38, MOB_POS_Y = 100;
-    private static final int SLOT_POS_X = 82, SLOT_POS_Y = 23;
-
-    public static class MobDrop {
-        public final Ingredient drop;
-        public final String chance;
-        public final List<String> extra;
-
-        public MobDrop(Ingredient drop, String chance, List<String> extra) {
-            this.drop = drop;
-            this.chance = chance;
-            this.extra = extra;
-        }
-    }
-
-    public static ResourceLocation[] PANORAMAS = new ResourceLocation[6];
-
-    static {
-        for (int i = 0; i < 6; i++)
-            PANORAMAS[i] = new ResourceLocation("notenoughupdates:panoramas/unknown/panorama_" + i + ".jpg");
-    }
-
-    public static ResourceLocation BACKGROUND = new ResourceLocation("notenoughupdates", "textures/gui/mob_loot_tall.png");
-    private final List<MobDrop> drops;
-    private final int coins;
-    private final int combatXp;
-    private final int xp;
-    private final String name;
-    private final String render;
-    private final int level;
-    private EntityLivingBase entityLivingBase;
-
-    public MobLootRecipe(List<MobDrop> drops, int level, int coins, int xp, int combatXp, String name, String render) {
-        this.drops = drops;
-        this.level = level;
-        this.coins = coins;
-        this.xp = xp;
-        this.combatXp = combatXp;
-        this.name = name;
-        this.render = render;
-    }
-
-    public String getName() {
-        return name;
-    }
-
-    public List<MobDrop> getDrops() {
-        return drops;
-    }
-
-    public int getCoins() {
-        return coins;
-    }
-
-    public int getCombatXp() {
-        return combatXp;
-    }
-
-    public int getXp() {
-        return xp;
-    }
-
-    public String getRender() {
-        return render;
-    }
-
-    public synchronized EntityLivingBase getRenderEntity() {
-        if (entityLivingBase == null) {
-            if (render == null) return null;
-            if (render.startsWith("@")) {
-                entityLivingBase = EntityViewer.constructEntity(new ResourceLocation(render.substring(1)));
-            } else {
-                entityLivingBase = EntityViewer.constructEntity(render, Collections.emptyList());
-            }
-        }
-        return entityLivingBase;
-    }
-
-    @Override
-    public Set<Ingredient> getIngredients() {
-        return Collections.emptySet();
-    }
-
-    @Override
-    public Set<Ingredient> getOutputs() {
-        return drops.stream().map(it -> it.drop).collect(Collectors.toSet());
-    }
-
-    @Override
-    public List<RecipeSlot> getSlots() {
-        List<RecipeSlot> slots = new ArrayList<>();
-        for (int i = 0; i < drops.size(); i++) {
-            MobDrop mobDrop = drops.get(i);
-            int x = i % 5;
-            int y = i / 5;
-            slots.add(new RecipeSlot(
-                    SLOT_POS_X + x * 16,
-                    SLOT_POS_Y + y * 16,
-                    mobDrop.drop.getItemStack()
-            ));
-        }
-        return slots;
-    }
-
-    @Override
-    public RecipeType getType() {
-        return RecipeType.MOB_LOOT;
-    }
-
-    @Override
-    public boolean shouldUseForCraftCost() {
-        return false;
-    }
-
-    @Override
-    public boolean hasVariableCost() {
-        return true;
-    }
-
-    public static final int PANORAMA_POS_X = 13;
-    public static final int PANORAMA_POS_Y = 23;
-    public static final int PANORAMA_WIDTH = 50;
-    public static final int PANORAMA_HEIGHT = 80;
-
-    @Override
-    public void drawExtraBackground(GuiItemRecipe gui, int mouseX, int mouseY) {
-        Panorama.drawPanorama(((System.nanoTime() / 20000000000F) % 1) * 360, gui.guiLeft + PANORAMA_POS_X, gui.guiTop + PANORAMA_POS_Y, PANORAMA_WIDTH, PANORAMA_HEIGHT, 0F, 0F, PANORAMAS);
-        if (getRenderEntity() != null)
-            EntityViewer.renderEntity(entityLivingBase, gui.guiLeft + MOB_POS_X, gui.guiTop + MOB_POS_Y, mouseX, mouseY);
-    }
-
-    @Override
-    public void drawHoverInformation(GuiItemRecipe gui, int mouseX, int mouseY) {
-        if (gui.isWithinRect(mouseX, mouseY, gui.guiLeft + PANORAMA_POS_X, gui.guiTop + PANORAMA_POS_Y, PANORAMA_WIDTH, PANORAMA_HEIGHT)) {
-            Utils.drawHoveringText(Arrays.asList("Hehe", name), mouseX, mouseY, gui.width, gui.height, -1, Minecraft.getMinecraft().fontRendererObj);
-        }
-
-    }
-
-    @Override
-    public JsonObject serialize() {
-        JsonObject recipe = new JsonObject();
-        recipe.addProperty("level", level);
-        recipe.addProperty("coins", coins);
-        recipe.addProperty("xp", xp);
-        recipe.addProperty("combat_xp", combatXp);
-        recipe.addProperty("name", name);
-        recipe.addProperty("render", render);
-        recipe.addProperty("type", getType().getId());
-        JsonArray drops = new JsonArray();
-        for (MobDrop drop : this.drops) {
-            JsonObject dropObject = new JsonObject();
-            dropObject.addProperty("id", drop.drop.serialize());
-            JsonArray extraText = new JsonArray();
-            for (String extraLine : drop.extra) {
-                extraText.add(new JsonPrimitive(extraLine));
-            }
-            dropObject.add("extra", extraText);
-            dropObject.addProperty("chance", drop.chance);
-            drops.add(dropObject);
-        }
-        recipe.add("drops", drops);
-        return recipe;
-    }
-
-    @Override
-    public ResourceLocation getBackground() {
-        return BACKGROUND;
-    }
-
-    public static MobLootRecipe parseRecipe(NEUManager manager, JsonObject recipe, JsonObject outputItemJson) {
-        List<MobDrop> drops = new ArrayList<>();
-        for (JsonElement jsonElement : recipe.getAsJsonArray("drops")) {
-            if (jsonElement.isJsonPrimitive()) {
-                drops.add(new MobDrop(new Ingredient(manager, jsonElement.getAsString()), null, Collections.emptyList()));
-            } else {
-                JsonObject jsonObject = jsonElement.getAsJsonObject();
-                drops.add(
-                        new MobDrop(
-                                new Ingredient(manager, jsonObject.get("id").getAsString()),
-                                jsonObject.has("chance") ? jsonObject.get("chance").getAsString() : null,
-                                jsonObject.has("extra") ?
-                                        StreamSupport.stream(jsonObject.getAsJsonArray("extra").spliterator(), false)
-                                                .map(JsonElement::getAsString)
-                                                .collect(Collectors.toList()) : Collections.emptyList()
-                        ));
-            }
-        }
-
-        return new MobLootRecipe(
-                drops,
-                recipe.has("level") ? recipe.get("level").getAsInt() : 0,
-                recipe.has("coins") ? recipe.get("coins").getAsInt() : 0,
-                recipe.has("xp") ? recipe.get("xp").getAsInt() : 0,
-                recipe.has("combat_xp") ? recipe.get("combat_xp").getAsInt() : 0,
-                recipe.get("name").getAsString(),
-                recipe.has("render") && !recipe.get("render").isJsonNull() ? recipe.get("render").getAsString() : null
-        );
-    }
+	private static final int MOB_POS_X = 38, MOB_POS_Y = 100;
+	private static final int SLOT_POS_X = 82, SLOT_POS_Y = 23;
+
+	public static class MobDrop {
+		public final Ingredient drop;
+		public final String chance;
+		public final List<String> extra;
+
+		public MobDrop(Ingredient drop, String chance, List<String> extra) {
+			this.drop = drop;
+			this.chance = chance;
+			this.extra = extra;
+		}
+	}
+
+	public static ResourceLocation[] PANORAMAS = new ResourceLocation[6];
+
+	static {
+		for (int i = 0; i < 6; i++)
+			PANORAMAS[i] = new ResourceLocation("notenoughupdates:panoramas/unknown/panorama_" + i + ".jpg");
+	}
+
+	public static ResourceLocation BACKGROUND = new ResourceLocation(
+		"notenoughupdates",
+		"textures/gui/mob_loot_tall.png"
+	);
+	private final List<MobDrop> drops;
+	private final int coins;
+	private final int combatXp;
+	private final int xp;
+	private final String name;
+	private final String render;
+	private final int level;
+	private final List<String> extra;
+	private EntityLivingBase entityLivingBase;
+
+	public MobLootRecipe(
+		List<MobDrop> drops,
+		int level,
+		int coins,
+		int xp,
+		int combatXp,
+		String name,
+		String render,
+		List<String> extra
+	) {
+		this.drops = drops;
+		this.level = level;
+		this.coins = coins;
+		this.xp = xp;
+		this.extra = extra;
+		this.combatXp = combatXp;
+		this.name = name;
+		this.render = render;
+	}
+
+	public String getName() {
+		return name;
+	}
+
+	public List<MobDrop> getDrops() {
+		return drops;
+	}
+
+	public int getCoins() {
+		return coins;
+	}
+
+	public int getCombatXp() {
+		return combatXp;
+	}
+
+	public int getXp() {
+		return xp;
+	}
+
+	public String getRender() {
+		return render;
+	}
+
+	public synchronized EntityLivingBase getRenderEntity() {
+		if (entityLivingBase == null) {
+			if (render == null) return null;
+			if (render.startsWith("@")) {
+				entityLivingBase = EntityViewer.constructEntity(new ResourceLocation(render.substring(1)));
+			} else {
+				entityLivingBase = EntityViewer.constructEntity(render, Collections.emptyList());
+			}
+		}
+		return entityLivingBase;
+	}
+
+	@Override
+	public Set<Ingredient> getIngredients() {
+		return Collections.emptySet();
+	}
+
+	@Override
+	public Set<Ingredient> getOutputs() {
+		return drops.stream().map(it -> it.drop).collect(Collectors.toSet());
+	}
+
+	@Override
+	public List<RecipeSlot> getSlots() {
+		List<RecipeSlot> slots = new ArrayList<>();
+		for (int i = 0; i < drops.size(); i++) {
+			MobDrop mobDrop = drops.get(i);
+			int x = i % 5;
+			int y = i / 5;
+			slots.add(new RecipeSlot(
+				SLOT_POS_X + x * 16,
+				SLOT_POS_Y + y * 16,
+				mobDrop.drop.getItemStack()
+			));
+		}
+		return slots;
+	}
+
+	@Override
+	public RecipeType getType() {
+		return RecipeType.MOB_LOOT;
+	}
+
+	@Override
+	public boolean shouldUseForCraftCost() {
+		return false;
+	}
+
+	@Override
+	public boolean hasVariableCost() {
+		return true;
+	}
+
+	public static final int PANORAMA_POS_X = 13;
+	public static final int PANORAMA_POS_Y = 23;
+	public static final int PANORAMA_WIDTH = 50;
+	public static final int PANORAMA_HEIGHT = 80;
+
+	@Override
+	public void drawExtraBackground(GuiItemRecipe gui, int mouseX, int mouseY) {
+		Panorama.drawPanorama(
+			((System.nanoTime() / 20000000000F) % 1) * 360,
+			gui.guiLeft + PANORAMA_POS_X,
+			gui.guiTop + PANORAMA_POS_Y,
+			PANORAMA_WIDTH,
+			PANORAMA_HEIGHT,
+			0F,
+			0F,
+			PANORAMAS
+		);
+		if (getRenderEntity() != null)
+			EntityViewer.renderEntity(entityLivingBase, gui.guiLeft + MOB_POS_X, gui.guiTop + MOB_POS_Y, mouseX, mouseY);
+	}
+
+	@Override
+	public void drawHoverInformation(GuiItemRecipe gui, int mouseX, int mouseY) {
+		if (gui.isWithinRect(
+			mouseX,
+			mouseY,
+			gui.guiLeft + PANORAMA_POS_X,
+			gui.guiTop + PANORAMA_POS_Y,
+			PANORAMA_WIDTH,
+			PANORAMA_HEIGHT
+		)) {
+			List<String> stuff = new ArrayList<>(extra);
+			stuff.add(0, "[Lvl " + level + "] " + name);
+			Utils.drawHoveringText(
+				stuff,
+				mouseX,
+				mouseY,
+				gui.width,
+				gui.height,
+				-1,
+				Minecraft.getMinecraft().fontRendererObj
+			);
+		}
+	}
+
+	@Override
+	public int[] getPageFlipPositionLeftTopCorner() {
+		return new int[]{14, 118};
+	}
+
+	@Override
+	public JsonObject serialize() {
+		JsonObject recipe = new JsonObject();
+		recipe.addProperty("level", level);
+		recipe.addProperty("coins", coins);
+		recipe.addProperty("xp", xp);
+		recipe.addProperty("combat_xp", combatXp);
+		recipe.addProperty("name", name);
+		recipe.addProperty("render", render);
+		recipe.addProperty("type", getType().getId());
+		recipe.add("extra", JsonUtils.transformListToJsonArray(extra, JsonPrimitive::new));
+		recipe.add("drops", JsonUtils.transformListToJsonArray(drops, drop -> {
+			JsonObject dropObject = new JsonObject();
+			dropObject.addProperty("id", drop.drop.serialize());
+			JsonArray extraText = new JsonArray();
+			for (String extraLine : drop.extra) {
+				extraText.add(new JsonPrimitive(extraLine));
+			}
+			dropObject.add("extra", extraText);
+			dropObject.addProperty("chance", drop.chance);
+			return dropObject;
+		}));
+		return recipe;
+	}
+
+	@Override
+	public ResourceLocation getBackground() {
+		return BACKGROUND;
+	}
+
+	public static MobLootRecipe parseRecipe(NEUManager manager, JsonObject recipe, JsonObject outputItemJson) {
+		List<MobDrop> drops = new ArrayList<>();
+		for (JsonElement jsonElement : recipe.getAsJsonArray("drops")) {
+			if (jsonElement.isJsonPrimitive()) {
+				drops.add(new MobDrop(new Ingredient(manager, jsonElement.getAsString()), null, Collections.emptyList()));
+			} else {
+				JsonObject jsonObject = jsonElement.getAsJsonObject();
+				drops.add(
+					new MobDrop(
+						new Ingredient(manager, jsonObject.get("id").getAsString()),
+						jsonObject.has("chance") ? jsonObject.get("chance").getAsString() : null,
+						JsonUtils.getJsonArrayOrEmpty(jsonObject, "extra", JsonElement::getAsString)
+					));
+			}
+		}
+
+		return new MobLootRecipe(
+			drops,
+			recipe.has("level") ? recipe.get("level").getAsInt() : 0,
+			recipe.has("coins") ? recipe.get("coins").getAsInt() : 0,
+			recipe.has("xp") ? recipe.get("xp").getAsInt() : 0,
+			recipe.has("combat_xp") ? recipe.get("combat_xp").getAsInt() : 0,
+			recipe.get("name").getAsString(),
+			recipe.has("render") && !recipe.get("render").isJsonNull() ? recipe.get("render").getAsString() : null,
+			JsonUtils.getJsonArrayOrEmpty(recipe, "extra", JsonElement::getAsString)
+		);
+	}
 }
diff --git a/src/main/java/io/github/moulberry/notenoughupdates/recipes/NeuRecipe.java b/src/main/java/io/github/moulberry/notenoughupdates/recipes/NeuRecipe.java
index b14a724e..232e1629 100644
--- a/src/main/java/io/github/moulberry/notenoughupdates/recipes/NeuRecipe.java
+++ b/src/main/java/io/github/moulberry/notenoughupdates/recipes/NeuRecipe.java
@@ -9,43 +9,50 @@ import java.util.List;
 import java.util.Set;
 
 public interface NeuRecipe {
-    Set<Ingredient> getIngredients();
+	Set<Ingredient> getIngredients();
 
-    Set<Ingredient> getOutputs();
+	Set<Ingredient> getOutputs();
 
-    List<RecipeSlot> getSlots();
+	List<RecipeSlot> getSlots();
 
-    RecipeType getType();
+	RecipeType getType();
 
-    default void drawExtraInfo(GuiItemRecipe gui, int mouseX, int mouseY) {
-    }
+	default void drawExtraInfo(GuiItemRecipe gui, int mouseX, int mouseY) {
+	}
 
-    default void drawExtraBackground(GuiItemRecipe gui, int mouseX, int mouseY) {
-    }
+	default void drawExtraBackground(GuiItemRecipe gui, int mouseX, int mouseY) {
+	}
 
-    default void drawHoverInformation(GuiItemRecipe gui, int mouseX, int mouseY) {
-    }
+	default void drawHoverInformation(GuiItemRecipe gui, int mouseX, int mouseY) {
+	}
 
-    boolean hasVariableCost();
+	boolean hasVariableCost();
 
-    JsonObject serialize();
+	JsonObject serialize();
 
-    ResourceLocation getBackground();
+	ResourceLocation getBackground();
 
-    static NeuRecipe parseRecipe(NEUManager manager, JsonObject recipe, JsonObject output) {
-        RecipeType recipeType = RecipeType.CRAFTING;
-        if (recipe.has("type")) {
-            recipeType = RecipeType.getRecipeTypeForId(recipe.get("type").getAsString());
-        }
-        if (recipeType == null) return null;
-        return recipeType.createRecipe(manager, recipe, output);
-    }
+	static NeuRecipe parseRecipe(NEUManager manager, JsonObject recipe, JsonObject output) {
+		RecipeType recipeType = RecipeType.CRAFTING;
+		if (recipe.has("type")) {
+			recipeType = RecipeType.getRecipeTypeForId(recipe.get("type").getAsString());
+		}
+		if (recipeType == null) return null;
+		return recipeType.createRecipe(manager, recipe, output);
+	}
 
-    default boolean shouldUseForCraftCost() {
-        return true;
-    }
+	default boolean shouldUseForCraftCost() {
+		return true;
+	}
 
-    default boolean isAvailable() {
-        return true;
-    }
+	default boolean isAvailable() {
+		return true;
+	}
+
+	/**
+	 * @return an array of length two in the format [leftmost x, topmost y] of the page buttons
+	 */
+	default int[] getPageFlipPositionLeftTopCorner() {
+		return new int[]{110, 90};
+	}
 }
diff --git a/src/main/java/io/github/moulberry/notenoughupdates/recipes/RecipeGenerator.java b/src/main/java/io/github/moulberry/notenoughupdates/recipes/RecipeGenerator.java
index 09e60003..6c2d1102 100644
--- a/src/main/java/io/github/moulberry/notenoughupdates/recipes/RecipeGenerator.java
+++ b/src/main/java/io/github/moulberry/notenoughupdates/recipes/RecipeGenerator.java
@@ -165,7 +165,7 @@ public class RecipeGenerator {
 
                 }
             }
-            recipes.add(new MobLootRecipe(drops, level, coins, xp, combatXp, name, null));
+            recipes.add(new MobLootRecipe(drops, level, coins, xp, combatXp, name, null, new ArrayList<>()));
         }
         boolean saved = false;
         try {
diff --git a/src/main/java/io/github/moulberry/notenoughupdates/util/JsonUtils.java b/src/main/java/io/github/moulberry/notenoughupdates/util/JsonUtils.java
new file mode 100644
index 00000000..916631b7
--- /dev/null
+++ b/src/main/java/io/github/moulberry/notenoughupdates/util/JsonUtils.java
@@ -0,0 +1,42 @@
+package io.github.moulberry.notenoughupdates.util;
+
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import java.util.stream.StreamSupport;
+
+public class JsonUtils {
+	public static Stream<JsonElement> getJsonArrayAsStream(JsonArray array) {
+		return StreamSupport.stream(array.spliterator(), false);
+	}
+
+	public static <T> List<T> transformJsonArrayToList(JsonArray array, Function<? super JsonElement, ? extends T> mapper) {
+		return getJsonArrayAsStream(array).map(mapper).collect(Collectors.toList());
+	}
+
+	public static <T> List<T> getJsonArrayOrEmpty(JsonObject rootObject, String name, Function<? super JsonElement, ? extends T> mapper) {
+		if (!rootObject.has(name)) {
+			return Collections.emptyList();
+		}
+		JsonElement jsonElement = rootObject.get(name);
+		if (jsonElement.isJsonArray()) {
+			return transformJsonArrayToList(jsonElement.getAsJsonArray(), mapper);
+		}
+		return Collections.emptyList();
+	}
+
+	public static <T> JsonArray transformListToJsonArray(List<T> things, Function<? super T, ? extends JsonElement> mapper) {
+		JsonArray array = new JsonArray();
+		for (T t : things) {
+			array.add(mapper.apply(t));
+		}
+		return array;
+	}
+
+}