Added fluid support in recipes (#1020)

src/main/java/codechicken/nei/BookmarkPanel.java

@@ -1053,7 +1053,7 @@ public class BookmarkPanel extends PanelWidget<BookmarkGrid> {
                 if (NEIClientUtils.altKey()) {
                     multiplier = NEIClientConfig.showItemQuantityWidget() ? NEIClientConfig.getItemQuantity() : 0;
                     if (multiplier == 0) {
-                        multiplier = StackInfo.itemStackToNBT(slot.getItemStack()).hasKey("gtFluidName") ? 144
+                        multiplier = StackInfo.isFluidDisplayItem(slot.getItemStack()) ? 144
                                 : slot.getItemStack().getMaxStackSize();
                     }
                 }

src/main/java/codechicken/nei/ItemCraftablesPanel.java

@@ -39,7 +39,7 @@ public class ItemCraftablesPanel
         public CraftablesGridSlot(int slotIndex, int itemIndex, ItemStack itemStack, RecipeId recipeId) {
             super(slotIndex, itemIndex, itemStack);
             this.realAmount = StackInfo.getAmount(itemStack);
-            this.isFluidDisplay = StackInfo.itemStackToNBT(itemStack).hasKey("gtFluidName");
+            this.isFluidDisplay = StackInfo.isFluidDisplayItem(itemStack);
             this.recipeId = recipeId;
         }
 

src/main/java/codechicken/nei/ItemQuantityField.java

@@ -86,7 +86,7 @@ public class ItemQuantityField extends TextField {
             amount = NEIClientConfig.showItemQuantityWidget() ? NEIClientConfig.getItemQuantity() : 0;
 
             if (amount == 0) {
-                amount = StackInfo.itemStackToNBT(stack).hasKey("gtFluidName") ? 144 : stack.getMaxStackSize();
+                amount = StackInfo.isFluidDisplayItem(stack) ? 144 : stack.getMaxStackSize();
             }
         }
 

src/main/java/codechicken/nei/ItemsTooltipLineHandler.java

@@ -163,9 +163,10 @@ public class ItemsTooltipLineHandler implements ITooltipLineHandler {
         for (Map.Entry<NBTTagCompound, Long> entry : ItemStackAmount.of(items).entrySet()) {
             final ItemStack stack = StackInfo.loadFromNBT(entry.getKey(), Math.max(0, entry.getValue()));
 
-            if (entry.getKey().hasKey("gtFluidName")) {
+            if (stack != null && StackInfo.isFluidDisplayItem(stack)) {
                 stack.stackSize = 0;
             }
+
             result.add(stack);
         }
 

src/main/java/codechicken/nei/LayoutManager.java

@@ -119,11 +119,6 @@ public class LayoutManager implements IContainerInputHandler, IContainerTooltipH
      */
     public static boolean itemsLoaded = false;
 
-    /**
-     * Not present, Present
-     */
-    public static Image[] itemPresenceOverlays = new Image[2];
-
     public static void load() {
         API.addLayoutStyle(0, new LayoutStyleMinecraft());
 
@@ -939,17 +934,6 @@ public class LayoutManager implements IContainerInputHandler, IContainerTooltipH
         tessellator.addVertexWithUV(x, y, z, u, v);
     }
 
-    public static void drawItemPresenceOverlay(int slotX, int slotY, boolean isPresent, boolean slotHighlight) {
-
-        if (slotHighlight) {
-            NEIClientUtils.gl2DRenderContext(() -> drawRect(slotX, slotY, 16, 16, isPresent ? 0x8000AA00 : 0x80AA0000));
-        } else {
-            Image icon = itemPresenceOverlays[isPresent ? 1 : 0];
-            drawIcon(slotX + 16 - icon.width, slotY + 16 - icon.height, icon);
-        }
-
-    }
-
     public static LayoutManager instance() {
         return instance;
     }

src/main/java/codechicken/nei/LayoutStyleMinecraft.java

@@ -8,7 +8,6 @@ import org.lwjgl.opengl.GL11;
 
 import codechicken.lib.vec.Rectangle4i;
 import codechicken.nei.api.LayoutStyle;
-import codechicken.nei.drawable.DrawableBuilder;
 
 public class LayoutStyleMinecraft extends LayoutStyle {
 
@@ -38,10 +37,6 @@ public class LayoutStyleMinecraft extends LayoutStyle {
         LayoutManager.timeButtons[2].icon = new Image(144, 24, 12, 12);
         LayoutManager.timeButtons[3].icon = new Image(156, 24, 12, 12);
         LayoutManager.heal.icon = new Image(168, 24, 12, 12);
-        LayoutManager.itemPresenceOverlays[0] = new DrawableBuilder("nei:textures/nei_tabbed_sprites.png", 0, 40, 8, 8)
-                .build();
-        LayoutManager.itemPresenceOverlays[1] = new DrawableBuilder("nei:textures/nei_tabbed_sprites.png", 8, 40, 8, 8)
-                .build();
     }
 
     @Override

src/main/java/codechicken/nei/NEIClientConfig.java

@@ -387,6 +387,13 @@ public class NEIClientConfig {
 
         setFavoriteDefaults(tag);
 
+        tag.getTag("inventory.tooltip.showFluidTemperature").setComment("Enabled show Fluid Temperature")
+                .getBooleanValue(true);
+        API.addOption(new OptionToggleButton("inventory.tooltip.showFluidTemperature", true));
+
+        tag.getTag("inventory.tooltip.showFluidState").setComment("Enabled show Fluid State").getBooleanValue(true);
+        API.addOption(new OptionToggleButton("inventory.tooltip.showFluidState", true));
+
         tag.getTag("inventory.itemIDs").getIntValue(1);
         API.addOption(new OptionCycled("inventory.itemIDs", 3, true));
 

src/main/java/codechicken/nei/NEIClientUtils.java

@@ -20,6 +20,7 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.HashMap;
+import java.util.IdentityHashMap;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Locale;
@@ -41,6 +42,7 @@ import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.util.IChatComponent;
 import net.minecraft.util.ResourceLocation;
+import net.minecraftforge.fluids.FluidStack;
 
 import org.lwjgl.input.Keyboard;
 import org.lwjgl.opengl.GL11;
@@ -56,6 +58,8 @@ import codechicken.lib.vec.Rectangle4i;
 import codechicken.nei.api.GuiInfo;
 import codechicken.nei.api.IInfiniteItemHandler;
 import codechicken.nei.api.ItemInfo;
+import codechicken.nei.recipe.GuiOverlayButton.ItemOverlayState;
+import codechicken.nei.recipe.StackInfo;
 import codechicken.nei.util.NEIKeyboardUtils;
 
 public class NEIClientUtils extends NEIServerUtils {
@@ -293,6 +297,83 @@ public class NEIClientUtils extends NEIServerUtils {
         return InventoryUtils.getInsertibleQuantity(new InventoryRange(player.inventory, 0, 36), itemstack) > 0;
     }
 
+    public static List<ItemOverlayState> presenceOverlay(List<PositionedStack> ingredients, List<ItemStack> invStacks) {
+        final List<ItemOverlayState> states = new ArrayList<>();
+        final Map<ItemStack, Long> remainingFluid = new IdentityHashMap<>();
+
+        for (PositionedStack stack : ingredients) {
+            boolean found;
+
+            if (StackInfo.isFluidDisplayItem(stack.item)) {
+                final FluidStack requiredFluid = StackInfo.getFluid(stack.item);
+                found = requiredFluid != null && consumeFluid(invStacks, remainingFluid, requiredFluid);
+            } else {
+                found = false;
+
+                for (ItemStack is : invStacks) {
+                    if (is.stackSize > 0 && stack.contains(is)) {
+                        is.stackSize--;
+                        found = true;
+                        break;
+                    }
+                }
+            }
+
+            states.add(new ItemOverlayState(stack, found));
+        }
+
+        return states;
+    }
+
+    private static boolean consumeFluid(List<ItemStack> invStacks, Map<ItemStack, Long> remainingFluid,
+            FluidStack requiredFluid) {
+        long need = requiredFluid.amount;
+        final List<ItemStack> matched = new ArrayList<>();
+
+        for (ItemStack is : invStacks) {
+            if (need <= 0) {
+                break;
+            }
+
+            if (is.stackSize <= 0) {
+                continue;
+            }
+
+            final FluidStack invFluid = StackInfo.getFluid(is);
+
+            if (invFluid == null || !invFluid.isFluidEqual(requiredFluid)) {
+                continue;
+            }
+
+            final long available = remainingFluid.computeIfAbsent(is, k -> (long) invFluid.amount * is.stackSize);
+            if (available <= 0) {
+                continue;
+            }
+
+            matched.add(is);
+            need -= available;
+        }
+
+        if (need > 0) {
+            return false;
+        }
+
+        long remainingNeed = requiredFluid.amount;
+        for (ItemStack is : matched) {
+            final long available = remainingFluid.get(is);
+            final long consumed = Math.min(available, remainingNeed);
+
+            remainingFluid.put(is, available - consumed);
+            remainingNeed -= consumed;
+
+            if (remainingNeed <= 0) {
+                break;
+            }
+        }
+
+        return true;
+    }
+
     public static boolean shiftKey() {
         return Keyboard.isKeyDown(Keyboard.KEY_LSHIFT) || Keyboard.isKeyDown(Keyboard.KEY_RSHIFT);
     }

src/main/java/codechicken/nei/NEIServerUtils.java

@@ -35,6 +35,7 @@ import net.minecraft.util.EnumChatFormatting;
 import net.minecraft.util.IChatComponent;
 import net.minecraft.world.World;
 import net.minecraft.world.WorldSettings.GameType;
+import net.minecraftforge.fluids.FluidStack;
 import net.minecraftforge.oredict.OreDictionary;
 
 import org.apache.logging.log4j.Level;
@@ -45,6 +46,7 @@ import codechicken.lib.inventory.InventoryRange;
 import codechicken.lib.inventory.InventoryUtils;
 import codechicken.lib.packet.PacketCustom;
 import codechicken.nei.PacketIDs.S2C;
+import codechicken.nei.item.ItemFluidDisplay;
 import codechicken.nei.recipe.StackInfo;
 import codechicken.nei.util.NBTHelper;
 import cpw.mods.fml.common.FMLLog;
@@ -442,13 +444,49 @@ public class NEIServerUtils {
         throw new RuntimeException(msg);
     }
 
-    @SuppressWarnings("unchecked")
     public static ItemStack[] extractRecipeItems(Object obj) {
-        if (obj instanceof ItemStack) return new ItemStack[] { (ItemStack) obj };
-        if (obj instanceof ItemStack[]) return (ItemStack[]) obj;
-        if (obj instanceof List) return ((List<ItemStack>) obj).toArray(new ItemStack[0]);
 
-        throw new ClassCastException(obj + " not an ItemStack, ItemStack[] or List<ItemStack?");
+        if (obj instanceof ItemStack item) {
+            return new ItemStack[] { item };
+        }
+
+        if (obj instanceof ItemStack[]arr) {
+            return arr;
+        }
+
+        if (obj instanceof FluidStack fluid) {
+            return new ItemStack[] { ItemFluidDisplay.createStack(fluid) };
+        }
+
+        if (obj instanceof FluidStack[]arr) {
+            final ItemStack[] items = new ItemStack[arr.length];
+
+            for (int i = 0; i < items.length; i++) {
+                items[i] = ItemFluidDisplay.createStack(arr[i]);
+            }
+
+            return items;
+        }
+
+        if (obj instanceof List list) {
+            final ItemStack[] items = new ItemStack[list.size()];
+
+            for (int i = 0; i < items.length; i++) {
+                items[i] = extractRecipeItem(list.get(i));
+            }
+
+            return items;
+        }
+
+        throw new ClassCastException(
+                obj + " not an ItemStack, ItemStack[], FluidStack, FluidStack[] or a List of them");
+    }
+
+    private static ItemStack extractRecipeItem(Object obj) {
+        if (obj == null) return null;
+        if (obj instanceof ItemStack item) return item;
+        if (obj instanceof FluidStack fluid) return ItemFluidDisplay.createStack(fluid);
+        throw new ClassCastException(obj + " not an ItemStack or FluidStack");
     }
 
     public static List<Integer> getRange(final int start, final int end) {

src/main/java/codechicken/nei/PositionedStack.java

@@ -6,11 +6,19 @@ import java.util.Comparator;
 import java.util.List;
 import java.util.stream.Collectors;
 
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.Tessellator;
+import net.minecraft.client.renderer.texture.TextureMap;
 import net.minecraft.init.Blocks;
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
+import net.minecraft.util.EnumChatFormatting;
+import net.minecraft.util.IIcon;
+import net.minecraftforge.fluids.FluidStack;
 import net.minecraftforge.oredict.OreDictionary;
 
+import org.lwjgl.opengl.GL11;
+
 import codechicken.nei.api.ItemFilter;
 import codechicken.nei.api.ItemInfo;
 import codechicken.nei.guihook.GuiContainerManager;
@@ -230,9 +238,6 @@ public class PositionedStack implements Cloneable {
         return "PositionedStack(output='" + item.toString() + "')";
     }
 
-    /**
-     * A {@link PositionedStack} that keeps its items but never draws them.
-     */
     public static class Placeholder extends PositionedStack {
 
         public Placeholder(Object object, int x, int y, boolean genPerms) {
@@ -246,4 +251,124 @@ public class PositionedStack implements Cloneable {
         @Override
         public void draw(int mousex, int mousey) {}
     }
+
+    public static class Fluid extends PositionedStack {
+
+        /** The tank size the fill level is measured against, in mB. 0 means "always render full". */
+        public int capacity = 0;
+
+        private ItemStack cachedFluidItem;
+        private FluidStack cachedFluidStack;
+
+        public Fluid(Object object, int x, int y, boolean genPerms) {
+            super(object, x, y, genPerms);
+        }
+
+        public Fluid(Object object, int x, int y) {
+            this(object, x, y, true);
+        }
+
+        public Fluid(Object object, int x, int y, int width, int height, int capacity) {
+            super(object, x, y, false);
+            this.width = width;
+            this.height = height;
+            this.capacity = capacity;
+        }
+
+        protected FluidStack getFluidStack() {
+
+            if (this.item != this.cachedFluidItem) {
+                this.cachedFluidItem = this.item;
+                this.cachedFluidStack = StackInfo.isFluidDisplayItem(this.item) ? StackInfo.getFluid(this.item) : null;
+            }
+
+            return this.cachedFluidStack;
+        }
+
+        @Override
+        public List<String> getTooltip() {
+            final List<String> tooltip = new ArrayList<>();
+            final List<String> customTooltip = super.getTooltip();
+            final FluidStack fluidStack = getFluidStack();
+
+            if (fluidStack != null) {
+                tooltip.add(
+                        EnumChatFormatting.GRAY + NEIClientUtils
+                                .translate("recipe.fluid.tank.amount", NEIClientUtils.formatFluid(fluidStack.amount)));
+            }
+
+            if (customTooltip != null) {
+                tooltip.addAll(customTooltip);
+            }
+
+            return tooltip;
+        }
+
+        @Override
+        public void draw(int mousex, int mousey) {
+            final FluidStack fluidStack = getFluidStack();
+
+            if (fluidStack == null) {
+                super.draw(mousex, mousey);
+                return;
+            }
+
+            final int tankCapacity = this.capacity > 0 ? this.capacity : fluidStack.amount;
+            int fillHeight = tankCapacity > 0
+                    ? (int) ((long) this.height * Math.min(fluidStack.amount, tankCapacity) / tankCapacity)
+                    : 0;
+
+            if (fluidStack.amount > 0 && fillHeight <= 0) {
+                fillHeight = 1;
+            }
+
+            if (fillHeight > 0) {
+                drawFluid(this.relx, this.rely, this.width, this.height, fillHeight, fluidStack);
+            }
+        }
+
+        private static void drawFluid(int x, int y, int width, int height, int fillHeight, FluidStack fluidStack) {
+            final IIcon icon = fluidStack.getFluid().getIcon(fluidStack);
+
+            if (icon == null) {
+                return;
+            }
+
+            final int color = fluidStack.getFluid().getColor(fluidStack);
+            final float red = (color >> 16 & 0xFF) / 255F;
+            final float green = (color >> 8 & 0xFF) / 255F;
+            final float blue = (color & 0xFF) / 255F;
+
+            Minecraft.getMinecraft().getTextureManager().bindTexture(TextureMap.locationBlocksTexture);
+            GL11.glColor4f(red, green, blue, 1F);
+            GL11.glEnable(GL11.GL_BLEND);
+            GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
+            GL11.glDisable(GL11.GL_LIGHTING);
+
+            final Tessellator tessellator = Tessellator.instance;
+
+            tessellator.startDrawingQuads();
+            for (int tx = 0; tx < width; tx += 16) {
+                final int tileWidth = Math.min(16, width - tx);
+                final double u2 = icon.getMinU() + (icon.getMaxU() - icon.getMinU()) * tileWidth / 16D;
+
+                for (int ty = 0; ty < fillHeight; ty += 16) {
+                    final int tileHeight = Math.min(16, fillHeight - ty);
+                    final double v2 = icon.getMinV() + (icon.getMaxV() - icon.getMinV()) * tileHeight / 16D;
+                    final int bottomY = y + height - ty;
+                    final int topY = bottomY - tileHeight;
+
+                    tessellator.addVertexWithUV(x + tx, bottomY, 0, icon.getMinU(), v2);
+                    tessellator.addVertexWithUV(x + tx + tileWidth, bottomY, 0, u2, v2);
+                    tessellator.addVertexWithUV(x + tx + tileWidth, topY, 0, u2, icon.getMinV());
+                    tessellator.addVertexWithUV(x + tx, topY, 0, icon.getMinU(), icon.getMinV());
+                }
+            }
+            tessellator.draw();
+
+            GL11.glDisable(GL11.GL_BLEND);
+            GL11.glEnable(GL11.GL_LIGHTING);
+            GL11.glColor4f(1F, 1F, 1F, 1F);
+        }
+    }
 }

src/main/java/codechicken/nei/api/IOverlayHandler.java

@@ -1,15 +1,12 @@
 package codechicken.nei.api;
 
-import java.util.ArrayList;
 import java.util.List;
-import java.util.Optional;
 import java.util.stream.Collectors;
 
 import net.minecraft.client.gui.inventory.GuiContainer;
-import net.minecraft.item.ItemStack;
 
 import codechicken.nei.NEIClientConfig;
-import codechicken.nei.PositionedStack;
+import codechicken.nei.NEIClientUtils;
 import codechicken.nei.recipe.GuiOverlayButton.ItemOverlayState;
 import codechicken.nei.recipe.IRecipeHandler;
 
@@ -38,28 +35,14 @@ public interface IOverlayHandler {
     }
 
     default List<ItemOverlayState> presenceOverlay(GuiContainer firstGui, IRecipeHandler recipe, int recipeIndex) {
-        final List<ItemOverlayState> itemPresenceSlots = new ArrayList<>();
-        final List<PositionedStack> ingredients = recipe.getIngredientStacks(recipeIndex);
-        final List<ItemStack> invStacks = firstGui.inventorySlots.inventorySlots.stream()
-                .filter(
-                        s -> s != null && s.getStack() != null
-                                && s.getStack().stackSize > 0
-                                && s.isItemValid(s.getStack())
-                                && s.canTakeStack(firstGui.mc.thePlayer))
-                .map(s -> s.getStack().copy()).collect(Collectors.toList());
-
-        for (PositionedStack stack : ingredients) {
-            Optional<ItemStack> used = invStacks.stream().filter(is -> is.stackSize > 0 && stack.contains(is))
-                    .findAny();
-
-            itemPresenceSlots.add(new ItemOverlayState(stack, used.isPresent()));
-
-            if (used.isPresent()) {
-                ItemStack is = used.get();
-                is.stackSize -= 1;
-            }
-        }
-
-        return itemPresenceSlots;
+        return NEIClientUtils.presenceOverlay(
+                recipe.getIngredientStacks(recipeIndex),
+                firstGui.inventorySlots.inventorySlots.stream()
+                        .filter(
+                                s -> s != null && s.getStack() != null
+                                        && s.getStack().stackSize > 0
+                                        && s.isItemValid(s.getStack())
+                                        && s.canTakeStack(firstGui.mc.thePlayer))
+                        .map(s -> s.getStack().copy()).collect(Collectors.toList()));
     }
 }

src/main/java/codechicken/nei/api/IStackStringifyHandler.java

@@ -24,4 +24,8 @@ public interface IStackStringifyHandler {
 
     default void pauseItemDamageSound(boolean pause) {}
 
+    default boolean isFluidDisplayItem(ItemStack stack) {
+        return false;
+    }
+
 }

src/main/java/codechicken/nei/api/ItemInfo.java

@@ -60,6 +60,7 @@ import codechicken.nei.config.HandlerDumper;
 import codechicken.nei.config.ItemPanelDumper;
 import codechicken.nei.config.RegistryDumper;
 import codechicken.nei.guihook.GuiContainerManager;
+import codechicken.nei.item.ItemFluidDisplay;
 import codechicken.nei.recipe.BrewingRecipeHandler;
 import codechicken.nei.recipe.RecipeItemInputHandler;
 import codechicken.nei.search.IdentifierFilter;
@@ -133,6 +134,7 @@ public class ItemInfo {
 
     public static void preInit() {
         addMobSpawnerItem();
+        addFluidDisplayItem();
     }
 
     public static void load() {
@@ -318,6 +320,10 @@ public class ItemInfo {
         GameDataManipulator.replaceItem(Block.getIdFromBlock(Blocks.mob_spawner), new ItemMobSpawner());
     }
 
+    private static void addFluidDisplayItem() {
+        GameRegistry.registerItem(new ItemFluidDisplay(), "neiFluidDisplay");
+    }
+
     private static void addInfiniteHandlers() {
         API.addInfiniteItemHandler(new InfiniteStackSizeHandler());
         API.addInfiniteItemHandler(new InfiniteToolHandler());
@@ -402,6 +408,7 @@ public class ItemInfo {
                 item -> item.getItem() instanceof ItemArmor armor && armor.armorType == 2);
         API.addSubset("Items.Armor.Boots", item -> item.getItem() instanceof ItemArmor armor && armor.armorType == 3);
         API.addSubset("Items.Food", item -> item.getItem() instanceof ItemFood);
+        API.addSubset("Items.Fluids", item -> item.getItem() instanceof ItemFluidDisplay);
         API.addSubset("Items.Potions.Ingredients", BrewingRecipeHandler.ingredients);
 
         for (CreativeTabs tab : CreativeTabs.creativeTabArray) {

src/main/java/codechicken/nei/bookmark/BookmarkGrid.java

@@ -24,7 +24,7 @@ import codechicken.lib.gui.GuiDraw;
 import codechicken.lib.vec.Rectangle4i;
 import codechicken.nei.BookmarkPanel.BookmarkViewMode;
 import codechicken.nei.ItemPanels;
-import codechicken.nei.ItemStackSet;
+import codechicken.nei.ItemStackAmount;
 import codechicken.nei.ItemsGrid;
 import codechicken.nei.ItemsGrid.MouseContext;
 import codechicken.nei.LayoutManager;
@@ -913,8 +913,8 @@ public class BookmarkGrid extends ItemsGrid<BookmarksGridSlot, BookmarkGrid.Book
     }
 
     public void addRecipe(Recipe recipe, int multiplier, int groupId) {
-        final ItemStackSet seenResults = new ItemStackSet();
-        final ItemStackSet seenIngredients = new ItemStackSet();
+        final ItemStackAmount seenResults = new ItemStackAmount();
+        final ItemStackAmount seenIngredients = new ItemStackAmount();
         final List<ItemStack> results = new ArrayList<>();
         final List<ItemStack> ingredients = new ArrayList<>();
 

src/main/java/codechicken/nei/bookmark/BookmarkItem.java

@@ -42,7 +42,7 @@ public class BookmarkItem {
 
             this.groupId = groupId;
             this.stack = stack;
-            this.factor = nbTag.hasKey("gtFluidName") ? Math.min(144, nbTag.getInteger("Count")) : 1;
+            this.factor = StackInfo.isFluidDisplayItem(stack) ? Math.min(144, nbTag.getInteger("Count")) : 1;
         }
 
         public Builder factor(long factor) {

src/main/java/codechicken/nei/bookmark/BookmarksGridSlot.java

@@ -82,7 +82,7 @@ public class BookmarksGridSlot extends ItemsGridSlot {
         this.bookmarkItem = bookmarkItem;
 
         this.isOutputRecipe = group.crafting != null && group.crafting.outputRecipes.contains(bookmarkItem.recipeId);
-        this.isFluidDisplay = StackInfo.itemStackToNBT(bookmarkItem.itemStack).hasKey("gtFluidName");
+        this.isFluidDisplay = StackInfo.isFluidDisplayItem(bookmarkItem.itemStack);
 
         this.realMultiplier = realMultiplier;
         this.calculatedMultiplier = calculatedMultiplier;

src/main/java/codechicken/nei/item/FluidDisplayRenderer.java

@@ -0,0 +1,92 @@
+package codechicken.nei.item;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.gui.FontRenderer;
+import net.minecraft.client.renderer.Tessellator;
+import net.minecraft.client.renderer.texture.TextureMap;
+import net.minecraft.item.ItemStack;
+import net.minecraft.util.IIcon;
+import net.minecraftforge.client.IItemRenderer;
+import net.minecraftforge.fluids.FluidStack;
+
+import org.lwjgl.opengl.GL11;
+
+import codechicken.nei.util.ReadableNumberConverter;
+
+public class FluidDisplayRenderer implements IItemRenderer {
+
+    @Override
+    public boolean handleRenderType(ItemStack item, ItemRenderType type) {
+        return type == ItemRenderType.INVENTORY;
+    }
+
+    @Override
+    public boolean shouldUseRenderHelper(ItemRenderType type, ItemStack item, ItemRendererHelper helper) {
+        return false;
+    }
+
+    @Override
+    public void renderItem(ItemRenderType type, ItemStack item, Object... data) {
+        if (type != ItemRenderType.INVENTORY || !(item.getItem() instanceof ItemFluidDisplay fluidDisplay)) {
+            return;
+        }
+
+        renderIcon(item, fluidDisplay);
+        renderAmountOverlay(item, fluidDisplay);
+    }
+
+    private void renderIcon(ItemStack item, ItemFluidDisplay fluidDisplay) {
+        final IIcon icon = fluidDisplay.getIconIndex(item);
+        if (icon == null) {
+            return;
+        }
+
+        final int color = fluidDisplay.getColorFromItemStack(item, 0);
+        final float red = (color >> 16 & 0xFF) / 255F;
+        final float green = (color >> 8 & 0xFF) / 255F;
+        final float blue = (color & 0xFF) / 255F;
+
+        Minecraft.getMinecraft().getTextureManager().bindTexture(TextureMap.locationBlocksTexture);
+        GL11.glColor4f(red, green, blue, 1F);
+        GL11.glEnable(GL11.GL_BLEND);
+        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
+
+        final Tessellator tessellator = Tessellator.instance;
+        tessellator.startDrawingQuads();
+        tessellator.addVertexWithUV(0, 16, 0, icon.getMinU(), icon.getMaxV());
+        tessellator.addVertexWithUV(16, 16, 0, icon.getMaxU(), icon.getMaxV());
+        tessellator.addVertexWithUV(16, 0, 0, icon.getMaxU(), icon.getMinV());
+        tessellator.addVertexWithUV(0, 0, 0, icon.getMinU(), icon.getMinV());
+        tessellator.draw();
+
+        GL11.glColor4f(1F, 1F, 1F, 1F);
+        GL11.glDisable(GL11.GL_BLEND);
+    }
+
+    private void renderAmountOverlay(ItemStack item, ItemFluidDisplay fluidDisplay) {
+        final FluidStack fluidStack = fluidDisplay.getFluid(item);
+        if (fluidStack == null || fluidStack.amount <= 0) {
+            return;
+        }
+
+        String amountString = "";
+
+        if (fluidStack.amount < 10_000) {
+            amountString = String.valueOf(fluidStack.amount) + "L";
+        } else {
+            amountString = ReadableNumberConverter.INSTANCE.toWideReadableForm(fluidStack.amount) + "L";
+        }
+
+        final FontRenderer fontRender = Minecraft.getMinecraft().fontRenderer;
+        float smallTextScale = fontRender.getUnicodeFlag() ? 3F / 4F : 1F / 2F;
+        GL11.glPushAttrib(GL11.GL_ENABLE_BIT);
+        GL11.glDisable(GL11.GL_BLEND);
+        GL11.glPushMatrix();
+        GL11.glScalef(smallTextScale, smallTextScale, 1.0f);
+
+        fontRender
+                .drawString(amountString, 0, (int) (16 / smallTextScale) - fontRender.FONT_HEIGHT + 1, 0xFFFFFF, true);
+        GL11.glPopMatrix();
+        GL11.glPopAttrib();
+    }
+}

src/main/java/codechicken/nei/item/ItemFluidDisplay.java

@@ -0,0 +1,196 @@
+package codechicken.nei.item;
+
+import java.util.List;
+
+import net.minecraft.client.renderer.texture.IIconRegister;
+import net.minecraft.creativetab.CreativeTabs;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.util.EnumChatFormatting;
+import net.minecraft.util.IIcon;
+import net.minecraftforge.client.MinecraftForgeClient;
+import net.minecraftforge.fluids.Fluid;
+import net.minecraftforge.fluids.FluidRegistry;
+import net.minecraftforge.fluids.FluidStack;
+import net.minecraftforge.fluids.IFluidContainerItem;
+
+import codechicken.nei.NEIClientConfig;
+import codechicken.nei.NEIClientUtils;
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
+
+public class ItemFluidDisplay extends Item implements IFluidContainerItem {
+
+    public static ItemFluidDisplay INSTANCE;
+
+    public final static CreativeTabs tabFluids = new CreativeTabs("neiFluids") {
+
+        @Override
+        public Item getTabIconItem() {
+            return INSTANCE;
+        }
+
+        @Override
+        @SideOnly(Side.CLIENT)
+        public ItemStack getIconItemStack() {
+            return createStack(new FluidStack(FluidRegistry.WATER, 0));
+        }
+    };
+
+    public ItemFluidDisplay() {
+        setMaxStackSize(1);
+        setUnlocalizedName("nei.fluidDisplay");
+        INSTANCE = this;
+
+        setCreativeTab(tabFluids);
+        MinecraftForgeClient.registerItemRenderer(this, new FluidDisplayRenderer());
+    }
+
+    public static ItemStack createStack(FluidStack fluidStack) {
+        if (fluidStack == null || fluidStack.getFluid() == null) {
+            return null;
+        }
+
+        int fluidId;
+
+        try {
+            fluidId = FluidRegistry.getFluidID(fluidStack.getFluid());
+        } catch (Exception e) {
+            NEIClientConfig.logger.error("Failed to get fluid id for: " + fluidStack.getFluid().getName(), e);
+            return null;
+        }
+
+        final ItemStack stack = new ItemStack(INSTANCE, 1, fluidId);
+        final NBTTagCompound nbtTag = new NBTTagCompound();
+
+        if (fluidStack.tag != null) {
+            nbtTag.setTag("FluidTag", fluidStack.tag.copy());
+        }
+
+        nbtTag.setInteger("neiFluidDisplayAmount", fluidStack.amount);
+        stack.setTagCompound(nbtTag);
+        return stack;
+    }
+
+    @Override
+    public FluidStack getFluid(ItemStack stack) {
+
+        if (stack == null || !(stack.getItem() instanceof ItemFluidDisplay) || !stack.hasTagCompound()) {
+            return null;
+        }
+
+        final Fluid fluid = FluidRegistry.getFluid(stack.getItemDamage());
+
+        if (fluid == null) {
+            return null;
+        }
+
+        final NBTTagCompound nbTag = stack.getTagCompound();
+        final FluidStack fluidStack = new FluidStack(fluid, nbTag.getInteger("neiFluidDisplayAmount"));
+
+        if (nbTag.hasKey("FluidTag")) {
+            fluidStack.tag = nbTag.getCompoundTag("FluidTag");
+        }
+
+        return fluidStack;
+    }
+
+    @Override
+    public int getCapacity(ItemStack stack) {
+
+        if (stack == null || !(stack.getItem() instanceof ItemFluidDisplay) || !stack.hasTagCompound()) {
+            return 0;
+        }
+
+        return stack.getTagCompound().getInteger("neiFluidDisplayAmount");
+    }
+
+    @Override
+    public int fill(ItemStack container, FluidStack resource, boolean doFill) {
+        return 0;
+    }
+
+    @Override
+    public FluidStack drain(ItemStack container, int maxDrain, boolean doDrain) {
+        return null;
+    }
+
+    @Override
+    public IIcon getIconFromDamage(int metadata) {
+        final Fluid fluid = FluidRegistry.getFluid(metadata);
+        final IIcon icon = fluid != null ? fluid.getStillIcon() : null;
+        return icon != null ? icon : FluidRegistry.WATER.getStillIcon();
+    }
+
+    @Override
+    public int getSpriteNumber() {
+        return 0;
+    }
+
+    @Override
+    public int getColorFromItemStack(ItemStack stack, int renderPass) {
+        final Fluid fluid = stack != null ? FluidRegistry.getFluid(stack.getItemDamage()) : null;
+        return fluid != null ? fluid.getColor() : 0xFFFFFF;
+    }
+
+    @Override
+    public String getItemStackDisplayName(ItemStack stack) {
+        final Fluid fluid = stack != null ? FluidRegistry.getFluid(stack.getItemDamage()) : null;
+        return fluid != null ? fluid.getLocalizedName() : super.getItemStackDisplayName(stack);
+    }
+
+    @Override
+    public String getUnlocalizedName(ItemStack stack) {
+        final Fluid fluid = stack != null ? FluidRegistry.getFluid(stack.getItemDamage()) : null;
+        return fluid != null ? fluid.getUnlocalizedName() : super.getUnlocalizedName(stack);
+    }
+
+    @Override
+    @SideOnly(Side.CLIENT)
+    public void addInformation(ItemStack stack, EntityPlayer player, List<String> tooltip, boolean advanced) {
+        final Fluid fluid = FluidRegistry.getFluid(stack.getItemDamage());
+
+        if (fluid == null) {
+            return;
+        }
+
+        if (NEIClientConfig.getBooleanSetting("inventory.tooltip.showFluidTemperature")) {
+            tooltip.add(
+                    EnumChatFormatting.RED + NEIClientUtils.translate(
+                            "inventory.tooltip.temperature.fluid",
+                            NEIClientUtils.formatNumber(fluid.getTemperature())));
+        }
+
+        if (NEIClientConfig.getBooleanSetting("inventory.tooltip.showFluidState")) {
+            tooltip.add(
+                    EnumChatFormatting.GREEN + NEIClientUtils.translate(
+                            "inventory.tooltip.state.fluid",
+                            NEIClientUtils.translate(
+                                    fluid.isGaseous() ? "inventory.tooltip.state.fluid.gas"
+                                            : "inventory.tooltip.state.fluid.liquid")));
+        }
+
+    }
+
+    @Override
+    public void registerIcons(IIconRegister register) {}
+
+    @Override
+    @SideOnly(Side.CLIENT)
+    public void getSubItems(Item aItem, CreativeTabs aTab, List<ItemStack> aList) {
+        for (int i = 0, j = FluidRegistry.getMaxID(); i < j; i++) {
+            final Fluid fluid = FluidRegistry.getFluid(i);
+            if (fluid == null) {
+                continue;
+            }
+
+            final ItemStack stack = ItemFluidDisplay.createStack(new FluidStack(fluid, 0));
+            if (stack != null) {
+                aList.add(stack);
+            }
+        }
+    }
+
+}

src/main/java/codechicken/nei/recipe/GuiOverlayButton.java

@@ -29,6 +29,15 @@ import codechicken.nei.util.NEIMouseUtils;
 
 public class GuiOverlayButton extends GuiRecipeButton {
 
+    protected static DrawableResource notPresent = new DrawableBuilder(
+            "nei:textures/nei_tabbed_sprites.png",
+            0,
+            40,
+            8,
+            8).build();
+    protected static DrawableResource present = new DrawableBuilder("nei:textures/nei_tabbed_sprites.png", 8, 40, 8, 8)
+            .build();
+
     public enum ItemOverlayFormat {
 
         BACKGROUND,
@@ -58,11 +67,23 @@ public class GuiOverlayButton extends GuiRecipeButton {
         }
 
         public void draw(ItemOverlayFormat format) {
-            LayoutManager.drawItemPresenceOverlay(
-                    this.slot.relx,
-                    this.slot.rely,
-                    this.isPresent,
-                    format == ItemOverlayFormat.BACKGROUND);
+
+            if (format == ItemOverlayFormat.BACKGROUND) {
+                NEIClientUtils.gl2DRenderContext(
+                        () -> drawRect(
+                                this.slot.relx,
+                                this.slot.rely,
+                                this.slot.width,
+                                this.slot.height,
+                                isPresent ? 0x8000AA00 : 0x80AA0000));
+            } else {
+                final DrawableResource icon = isPresent ? present : notPresent;
+                LayoutManager.drawIcon(
+                        this.slot.relx + this.slot.width - icon.width,
+                        this.slot.rely + this.slot.height - icon.height,
+                        icon);
+            }
+
         }
     }
 
@@ -256,6 +277,11 @@ public class GuiOverlayButton extends GuiRecipeButton {
         return this.itemPresenceCache;
     }
 
+    @Override
+    public void onPermutationsChanged() {
+        this.itemPresenceCache.clear();
+    }
+
     public void setRequireShiftForOverlayRecipe(boolean require) {
         this.requireShiftForOverlayRecipe = require;
         updateEnabled();
@@ -291,30 +317,15 @@ public class GuiOverlayButton extends GuiRecipeButton {
     }
 
     protected List<ItemOverlayState> presenceOverlay(List<PositionedStack> ingredients) {
-        final List<ItemOverlayState> states = new ArrayList<>();
-        final List<ItemStack> invStacks = this.firstGui.inventorySlots.inventorySlots.stream()
-                .filter(
-                        s -> s != null && s.getStack() != null
-                                && s.getStack().stackSize > 0
-                                && s.isItemValid(s.getStack())
-                                && s.canTakeStack(this.firstGui.mc.thePlayer))
-                .map(s -> s.getStack().copy()).collect(Collectors.toCollection(ArrayList::new));
-
-        for (PositionedStack stack : ingredients) {
-            boolean found = false;
-
-            for (ItemStack is : invStacks) {
-                if (is.stackSize > 0 && stack.contains(is)) {
-                    is.stackSize--;
-                    found = true;
-                    break;
-                }
-            }
-
-            states.add(new ItemOverlayState(stack, found));
-        }
-
-        return states;
+        return NEIClientUtils.presenceOverlay(
+                ingredients,
+                this.firstGui.inventorySlots.inventorySlots.stream()
+                        .filter(
+                                s -> s != null && s.getStack() != null
+                                        && s.getStack().stackSize > 0
+                                        && s.isItemValid(s.getStack())
+                                        && s.canTakeStack(this.firstGui.mc.thePlayer))
+                        .map(s -> s.getStack().copy()).collect(Collectors.toList()));
     }
 
     public void overlayRecipe(boolean shift) {

src/main/java/codechicken/nei/recipe/GuiRecipeButton.java

@@ -65,6 +65,10 @@ public abstract class GuiRecipeButton extends GuiNEIButton {
 
     }
 
+    public void onPermutationsChanged() {
+
+    }
+
     public boolean mouseScrolled(int scroll) {
         return false;
     }

src/main/java/codechicken/nei/recipe/NEIRecipeWidget.java

@@ -175,6 +175,10 @@ public class NEIRecipeWidget extends Widget {
             if (!NEIClientUtils.shiftKey() && ((this.cycleticks++) / 20) != this.lastcycle || this.lastcycle == -1) {
                 this.lastcycle = this.cycleticks / 20;
                 updatePermutations();
+
+                for (GuiRecipeButton button : getRecipeButtonsIfInit()) {
+                    button.onPermutationsChanged();
+                }
             }
 
             for (GuiRecipeButton button : getRecipeButtons()) {

src/main/java/codechicken/nei/recipe/StackInfo.java

@@ -21,6 +21,7 @@ import codechicken.nei.LRUCache;
 import codechicken.nei.api.IStackStringifyHandler;
 import codechicken.nei.api.ItemInfo;
 import codechicken.nei.recipe.stackinfo.DefaultStackStringifyHandler;
+import codechicken.nei.recipe.stackinfo.FluidDisplayStackStringifyHandler;
 import codechicken.nei.recipe.stackinfo.GTFluidStackStringifyHandler;
 import codechicken.nei.util.ItemStackKey;
 import codechicken.nei.util.NBTHelper;
@@ -36,6 +37,7 @@ public class StackInfo {
 
     static {
         stackStringifyHandlers.add(new DefaultStackStringifyHandler());
+        stackStringifyHandlers.add(new FluidDisplayStackStringifyHandler());
         stackStringifyHandlers.add(new GTFluidStackStringifyHandler());
     }
 
@@ -86,6 +88,19 @@ public class StackInfo {
         return result == null ? stack : result;
     }
 
+    public static boolean isFluidDisplayItem(ItemStack stack) {
+        if (stack == null) {
+            return false;
+        }
+
+        for (int i = stackStringifyHandlers.size() - 1; i >= 0; i--) {
+            if (stackStringifyHandlers.get(i).isFluidDisplayItem(stack)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     public static void pauseItemDamageSound(boolean pause) {
         if (isPausedItemDamageSound != (isPausedItemDamageSound = pause)) {
             for (IStackStringifyHandler handler : stackStringifyHandlers) {

src/main/java/codechicken/nei/recipe/debug/LabelWidget.java

@@ -40,7 +40,7 @@ public class LabelWidget extends Widget implements IUpdatableWidget {
     @Override
     public List<String> handleTooltip(int mx, int my, List<String> tooltip) {
 
-        if (contains(mx, my)) {
+        if (contains(mx, my) && this.value != null) {
             tooltip.add(this.value);
         }
 

src/main/java/codechicken/nei/recipe/stackinfo/DefaultStackStringifyHandler.java

@@ -1,9 +1,14 @@
 package codechicken.nei.recipe.stackinfo;
 
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockLiquid;
+import net.minecraft.block.material.Material;
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
+import net.minecraftforge.fluids.Fluid;
 import net.minecraftforge.fluids.FluidContainerRegistry;
+import net.minecraftforge.fluids.FluidRegistry;
 import net.minecraftforge.fluids.FluidStack;
 import net.minecraftforge.fluids.IFluidContainerItem;
 
@@ -49,8 +54,24 @@ public class DefaultStackStringifyHandler implements IStackStringifyHandler {
     public FluidStack getFluid(ItemStack stack) {
         FluidStack fluidStack = FluidContainerRegistry.getFluidForFilledItem(stack);
 
-        if (fluidStack == null && stack.getItem() instanceof IFluidContainerItem) {
-            fluidStack = ((IFluidContainerItem) stack.getItem()).getFluid(stack);
+        if (fluidStack == null && stack.getItem() instanceof IFluidContainerItem container) {
+            fluidStack = container.getFluid(stack);
+        }
+
+        if (fluidStack == null && Block.getBlockFromItem(stack.getItem()) instanceof BlockLiquid liquidBlock) {
+            Fluid fluid = FluidRegistry.lookupFluidForBlock(liquidBlock);
+
+            if (fluid == null) {
+                if (liquidBlock.getMaterial() == Material.water) {
+                    fluid = FluidRegistry.WATER;
+                } else if (liquidBlock.getMaterial() == Material.lava) {
+                    fluid = FluidRegistry.LAVA;
+                }
+            }
+
+            if (fluid != null) {
+                fluidStack = new FluidStack(fluid, FluidContainerRegistry.BUCKET_VOLUME);
+            }
         }
 
         return fluidStack;

src/main/java/codechicken/nei/recipe/stackinfo/FluidDisplayStackStringifyHandler.java

@@ -0,0 +1,77 @@
+package codechicken.nei.recipe.stackinfo;
+
+import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraftforge.fluids.Fluid;
+import net.minecraftforge.fluids.FluidRegistry;
+import net.minecraftforge.fluids.FluidStack;
+
+import codechicken.nei.api.IStackStringifyHandler;
+import codechicken.nei.item.ItemFluidDisplay;
+
+public class FluidDisplayStackStringifyHandler implements IStackStringifyHandler {
+
+    public static final String NBT_FLUID_NAME = "neiFluidName";
+
+    @Override
+    public boolean isFluidDisplayItem(ItemStack stack) {
+        return stack.getItem() instanceof ItemFluidDisplay;
+    }
+
+    @Override
+    public NBTTagCompound convertItemStackToNBT(ItemStack stack, boolean saveStackSize) {
+
+        if (!(stack.getItem() instanceof ItemFluidDisplay)) {
+            return null;
+        }
+
+        final FluidStack fluidStack = ((ItemFluidDisplay) stack.getItem()).getFluid(stack);
+
+        if (fluidStack == null) {
+            return null;
+        }
+
+        final NBTTagCompound nbTag = new NBTTagCompound();
+        nbTag.setString(NBT_FLUID_NAME, fluidStack.getFluid().getName());
+        nbTag.setInteger("Count", saveStackSize ? fluidStack.amount : 1);
+
+        if (fluidStack.tag != null) {
+            nbTag.setTag("FluidTag", fluidStack.tag.copy());
+        }
+
+        return nbTag;
+    }
+
+    @Override
+    public ItemStack convertNBTToItemStack(NBTTagCompound nbtTag) {
+
+        if (!nbtTag.hasKey(NBT_FLUID_NAME)) {
+            return null;
+        }
+
+        final Fluid fluid = FluidRegistry.getFluid(nbtTag.getString(NBT_FLUID_NAME));
+
+        if (fluid == null) {
+            return null;
+        }
+
+        final FluidStack fluidStack = new FluidStack(fluid, nbtTag.getInteger("Count"));
+
+        if (nbtTag.hasKey("FluidTag")) {
+            fluidStack.tag = nbtTag.getCompoundTag("FluidTag");
+        }
+
+        return ItemFluidDisplay.createStack(fluidStack);
+    }
+
+    @Override
+    public FluidStack getFluid(ItemStack stack) {
+
+        if (stack.getItem() instanceof ItemFluidDisplay fluidDisplay) {
+            return fluidDisplay.getFluid(stack);
+        }
+
+        return null;
+    }
+
+}

src/main/java/codechicken/nei/recipe/stackinfo/GTFluidStackStringifyHandler.java

@@ -11,13 +11,13 @@ import net.minecraftforge.fluids.FluidRegistry;
 import net.minecraftforge.fluids.FluidStack;
 
 import codechicken.nei.api.IStackStringifyHandler;
+import codechicken.nei.item.ItemFluidDisplay;
 import cpw.mods.fml.common.registry.GameRegistry;
 import cpw.mods.fml.relauncher.ReflectionHelper;
 
 public class GTFluidStackStringifyHandler implements IStackStringifyHandler {
 
     protected static Class<?> itemFluidDisplay = null;
-    protected static Method getFluidDisplayStack = null;
     protected static Method getFluidFromDisplayStack = null;
     protected static Class<?> gtMetaGeneratedTool = null;
     protected static Field playSound = null;
@@ -33,7 +33,6 @@ public class GTFluidStackStringifyHandler implements IStackStringifyHandler {
                     "gregtech.common.items.ItemFluidDisplay",
                     "gregtech.common.items.GT_FluidDisplayItem");
             getFluidFromDisplayStack = gtUtility.getMethod("getFluidFromDisplayStack", ItemStack.class);
-            getFluidDisplayStack = gtUtility.getMethod("getFluidDisplayStack", FluidStack.class, boolean.class);
 
             gtMetaGeneratedTool = ReflectionHelper.getClass(
                     loader,
@@ -45,14 +44,15 @@ public class GTFluidStackStringifyHandler implements IStackStringifyHandler {
         }
     }
 
+    @Override
     public NBTTagCompound convertItemStackToNBT(ItemStack stack, boolean saveStackSize) {
 
-        if (stack.getItem() != GameRegistry.findItem("ae2fc", "fluid_drop")) {
+        if (stack != null && isFluidDisplayItem(stack)) {
             final FluidStack fluidStack = getFluid(stack);
 
             if (fluidStack != null) {
                 final NBTTagCompound nbTag = new NBTTagCompound();
-                nbTag.setString("gtFluidName", fluidStack.getFluid().getName());
+                nbTag.setString(FluidDisplayStackStringifyHandler.NBT_FLUID_NAME, fluidStack.getFluid().getName());
                 nbTag.setInteger("Count", saveStackSize ? fluidStack.amount : 144);
                 return nbTag;
             }
@@ -61,23 +61,23 @@ public class GTFluidStackStringifyHandler implements IStackStringifyHandler {
         return null;
     }
 
+    @Override
     public ItemStack convertNBTToItemStack(NBTTagCompound nbtTag) {
 
-        if (getFluidDisplayStack != null && nbtTag.hasKey("gtFluidName")) {
+        if (nbtTag.hasKey("gtFluidName")) {
             final String fluidName = nbtTag.getString("gtFluidName");
             final Fluid fluid = FluidRegistry.getFluid(fluidName);
             final int amount = nbtTag.getInteger("Count");
 
             if (fluid != null) {
-                try {
-                    return (ItemStack) getFluidDisplayStack.invoke(null, new FluidStack(fluid, amount), true);
-                } catch (Exception e) {}
+                return ItemFluidDisplay.createStack(new FluidStack(fluid, amount));
             }
         }
 
         return null;
     }
 
+    @Override
     public FluidStack getFluid(ItemStack stack) {
         final Item item = stack.getItem();
 
@@ -110,6 +110,7 @@ public class GTFluidStackStringifyHandler implements IStackStringifyHandler {
         return null;
     }
 
+    @Override
     public ItemStack normalizeRecipeQueryStack(ItemStack stack) {
 
         if (stack.getItem() == GameRegistry.findItem("ae2fc", "fluid_drop")
@@ -117,9 +118,7 @@ public class GTFluidStackStringifyHandler implements IStackStringifyHandler {
             final FluidStack fluidStack = getFluid(stack);
 
             if (fluidStack != null) {
-                try {
-                    return (ItemStack) getFluidDisplayStack.invoke(null, fluidStack, true);
-                } catch (Exception e) {}
+                return ItemFluidDisplay.createStack(fluidStack);
             }
         }
 
@@ -136,4 +135,11 @@ public class GTFluidStackStringifyHandler implements IStackStringifyHandler {
 
     }
 
+    @Override
+    public boolean isFluidDisplayItem(ItemStack stack) {
+        final Item item = stack.getItem();
+        return (itemFluidDisplay != null && itemFluidDisplay.isInstance(item))
+                || item == GameRegistry.findItem("ae2fc", "fluid_packet");
+    }
+
 }

src/main/java/codechicken/nei/search/ModNameFilter.java

@@ -1,13 +1,17 @@
 package codechicken.nei.search;
 
+import java.util.HashMap;
+import java.util.Map;
 import java.util.regex.Pattern;
 
-import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
+import net.minecraftforge.fluids.Fluid;
+import net.minecraftforge.fluids.FluidRegistry;
 
 import codechicken.nei.NEIClientConfig;
 import codechicken.nei.api.ItemFilter;
 import codechicken.nei.api.ItemInfo;
+import codechicken.nei.item.ItemFluidDisplay;
 import cpw.mods.fml.common.Loader;
 import cpw.mods.fml.common.ModContainer;
 import cpw.mods.fml.common.registry.GameRegistry;
@@ -15,6 +19,7 @@ import cpw.mods.fml.common.registry.GameRegistry.UniqueIdentifier;
 
 public class ModNameFilter implements ItemFilter {
 
+    private static final Map<String, String> fluidOwners = new HashMap<>();
     private final Pattern pattern;
 
     public ModNameFilter(Pattern pattern) {
@@ -23,31 +28,52 @@ public class ModNameFilter implements ItemFilter {
 
     @Override
     public boolean matches(ItemStack itemStack) {
-        return this.pattern.matcher(nameFromStack(itemStack.getItem())).find();
+        return this.pattern.matcher(nameFromStack(itemStack)).find();
     }
 
-    protected static String nameFromStack(Item item) {
+    protected static String nameFromStack(ItemStack itemStack) {
         try {
-            ModContainer mod = Loader.instance().getIndexedModList().get(getModId(item));
+            ModContainer mod = Loader.instance().getIndexedModList().get(getModId(itemStack));
             return mod == null ? "Minecraft" : mod.getName();
-        } catch (NullPointerException e) {
+        } catch (Throwable e) {
             return "";
         }
     }
 
-    protected static String getModId(Item item) {
+    protected static String getModId(ItemStack itemStack) {
 
-        if (!ItemInfo.itemOwners.containsKey(item)) {
+        if (itemStack.getItem() instanceof ItemFluidDisplay fluidDisplay) {
+            return getFluidModId(fluidDisplay, itemStack);
+        }
+
+        if (!ItemInfo.itemOwners.containsKey(itemStack.getItem())) {
             try {
-                UniqueIdentifier ident = GameRegistry.findUniqueIdentifierFor(item);
-                ItemInfo.itemOwners.put(item, ident.modId);
+                final UniqueIdentifier identifier = GameRegistry.findUniqueIdentifierFor(itemStack.getItem());
+                ItemInfo.itemOwners.put(itemStack.getItem(), identifier.modId);
             } catch (Exception ignored) {
-                NEIClientConfig.logger.error("Failed to find identifier for: " + item);
-                ItemInfo.itemOwners.put(item, "Unknown");
+                NEIClientConfig.logger.error("Failed to find identifier for: " + itemStack.getItem());
+                ItemInfo.itemOwners.put(itemStack.getItem(), "Unknown");
             }
         }
 
-        return ItemInfo.itemOwners.get(item);
+        return ItemInfo.itemOwners.get(itemStack.getItem());
+    }
+
+    private static String getFluidModId(ItemFluidDisplay fluidDisplay, ItemStack itemStack) {
+        final Fluid fluid = FluidRegistry.getFluid(itemStack.getItemDamage());
+        final String fluidName = FluidRegistry.getDefaultFluidName(fluid);
+
+        if (!fluidOwners.containsKey(fluidName)) {
+            try {
+                final UniqueIdentifier identifier = new UniqueIdentifier(fluidName);
+                fluidOwners.put(fluidName, identifier.modId);
+            } catch (Exception ignored) {
+                NEIClientConfig.logger.error("Failed to find identifier for fluid: " + fluidName);
+                fluidOwners.put(fluidName, "Unknown");
+            }
+        }
+
+        return fluidOwners.get(fluidName);
     }
 
 }

src/main/resources/assets/nei/cfg/collapsibleitems.cfg

@@ -25,4 +25,6 @@ minecraft:record_
 #splash potion
 minecraft:potion 16000-17000
 #lingering potion
-minecraft:potion 8000-9000
+minecraft:potion 8000-9000
+#fluid display
+neifluiddisplay

src/main/resources/assets/nei/csv/handlers.csv

@@ -44,14 +44,14 @@ com.rwtema.extrautils.nei.InfoHandler,Extra Utilities,ExtraUtilities:chandelier,
 com.rwtema.extrautils.nei.MicroBlocksHandler,Extra Utilities,ExtraUtilities:microblocks:1,,ExtraUtilities,TRUE,,,,,,,,,,,,
 com.rwtema.extrautils.nei.SoulHandler,Extra Utilities,ExtraUtilities:mini-soul,,ExtraUtilities,TRUE,,,,,,,,,,,,
 hellfirepvp.beebetteratbees.client.gui.BBABGuiRecipeTreeHandler,Bees,Forestry:beeQueenGE,,Forestry,TRUE,,,140,,2,,,,,,,
-forestry.factory.recipes.nei.NEIHandlerBottler,Forestry for Minecraft,Forestry:factory,,Forestry,TRUE,,,84,,5,,,,,,,
-forestry.factory.recipes.nei.NEIHandlerCarpenter,Forestry for Minecraft,Forestry:factory:1,,Forestry,TRUE,,,81,,5,,,,,,,
+forestry.factory.recipes.nei.NEIHandlerBottler,Forestry for Minecraft,Forestry:factory,,Forestry,TRUE,,,71,,5,,,,,,,
+forestry.factory.recipes.nei.NEIHandlerCarpenter,Forestry for Minecraft,Forestry:factory:1,,Forestry,TRUE,,,95,,5,,,,,,,
 forestry.factory.recipes.nei.NEIHandlerCentrifuge,Forestry for Minecraft,Forestry:factory:2,,Forestry,TRUE,,,81,,5,,,,,,,
 forestry.factory.recipes.nei.NEIHandlerFabricator,Forestry for Minecraft,Forestry:factory2,,Forestry,TRUE,,,,,,,,,,,,
-forestry.factory.recipes.nei.NEIHandlerFermenter,Forestry for Minecraft,Forestry:factory:3,,Forestry,TRUE,,,81,,5,,,,,,,
-forestry.factory.recipes.nei.NEIHandlerMoistener,Forestry for Minecraft,Forestry:factory:4,,Forestry,TRUE,,,84,,5,,,,,,,
-forestry.factory.recipes.nei.NEIHandlerSqueezer,Forestry for Minecraft,Forestry:factory:5,,Forestry,TRUE,,,84,,5,,,,,,,
-forestry.factory.recipes.nei.NEIHandlerStill,Forestry for Minecraft,Forestry:factory:6,,Forestry,TRUE,,,81,,5,,,,,,,
+forestry.factory.recipes.nei.NEIHandlerFermenter,Forestry for Minecraft,Forestry:factory:3,,Forestry,TRUE,,2,69,,5,,,,,,,
+forestry.factory.recipes.nei.NEIHandlerMoistener,Forestry for Minecraft,Forestry:factory:4,,Forestry,TRUE,,1,70,,5,,,,,,,
+forestry.factory.recipes.nei.NEIHandlerSqueezer,Forestry for Minecraft,Forestry:factory:5,,Forestry,TRUE,,,98,,5,,,,,,,
+forestry.factory.recipes.nei.NEIHandlerStill,Forestry for Minecraft,Forestry:factory:6,,Forestry,TRUE,,2,69,,5,,,,,,,
 net.bdew.neiaddons.forestry.bees.BeeBreedingHandler,Forestry for Minecraft,Forestry:beeQueenGE,,Forestry,TRUE,,,65,,5,,,,,,,
 net.bdew.neiaddons.forestry.bees.BeeProduceHandler,Forestry for Minecraft,Forestry:beeQueenGE,,Forestry,TRUE,,,65,,5,,,,,,,
 net.bdew.neiaddons.forestry.butterflies.ButterflyBreedingHandler,Forestry for Minecraft,Forestry:butterflyGE,,Forestry,TRUE,,,,,,,,,,,,

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

@@ -123,7 +123,14 @@ nei.inventory.current.gamemode.2=Current gamemode: creative+
 nei.inventory.current.gamemode.3=Current gamemode: adventure
 nei.inventory.tooltip.page=Page: %s / %s [Press %s to see next page]
 nei.inventory.tooltip.count.item=Count: %s
+
+itemGroup.neiFluids=Fluids
+
 nei.inventory.tooltip.count.fluid=Amount: %s
+nei.inventory.tooltip.temperature.fluid=Temperature: %sK
+nei.inventory.tooltip.state.fluid=State: %s
+nei.inventory.tooltip.state.fluid.gas=Gas
+nei.inventory.tooltip.state.fluid.liquid=Liquid
 
 nei.inventory.gamemode.0=Click: Set gamemode to survival
 nei.inventory.gamemode.1=Click: Set gamemode to creative
@@ -486,6 +493,14 @@ nei.options.inventory.itemUntranslator=Item Untranslator
 nei.options.inventory.itemUntranslator.true=Enabled
 nei.options.inventory.itemUntranslator.false=Disabled
 
+nei.options.inventory.tooltip=Tooltips
+nei.options.inventory.tooltip.showFluidTemperature=Show Fluid Temperature
+nei.options.inventory.tooltip.showFluidTemperature.true=Yes
+nei.options.inventory.tooltip.showFluidTemperature.false=No
+nei.options.inventory.tooltip.showFluidState=Show Fluid State
+nei.options.inventory.tooltip.showFluidState.true=Yes
+nei.options.inventory.tooltip.showFluidState.false=No
+
 nei.options.command=Commands
 nei.options.command.creative=Gamemode
 nei.options.command.creative.tip={0} = 1 for creative, 0 for survival, {1} = player
@@ -576,6 +591,7 @@ nei.debug.RecipeHandler.reset=Reset
 
 nei.recipe.page=Page %s/%s
 nei.recipe.tooltip=Recipes
+nei.recipe.fluid.tank.amount=Amount: %s
 nei.recipe.tab.view_all.tooltip=View all categories
 nei.recipe.search.tooltip.name=Filter Syntax
 nei.recipe.search.tooltip.shift=§7Hold §6Shift§7 for more info
@@ -674,6 +690,7 @@ nei.subsets.Items.Armor.Boots=Boots
 nei.subsets.Items.Armor.Chestplates=Chestplates
 nei.subsets.Items.Armor.Helmets=Helmets
 nei.subsets.Items.Armor.Leggings=Leggings
+nei.subsets.Items.Fluids=Fluids
 nei.subsets.Items.Food=Food
 nei.subsets.Items.Potions=Potions
 nei.subsets.Items.Potions.Ingredients=Ingredients

src/main/resources/assets/nei/lang/ru_RU.lang

@@ -84,6 +84,13 @@ nei.inventory.current.gamemode.2=Текущий режим игры: творч
 nei.inventory.current.gamemode.3=Текущий режим игры: приключение
 nei.inventory.tooltip.page=Страница: %s / %s [Нажмите %s для перехода на следующую страницу]
 
+itemGroup.neiFluids=Жидкости
+
+nei.inventory.tooltip.temperature.fluid=Температура: %sK
+nei.inventory.tooltip.state.fluid=Состояние: %s
+nei.inventory.tooltip.state.fluid.gas=Газ
+nei.inventory.tooltip.state.fluid.liquid=Жидкость
+
 nei.inventory.gamemode.0=Клик: Установить режим игры на выживание
 nei.inventory.gamemode.1=Клик: Установить режим игры на творческий
 nei.inventory.gamemode.2=Клик: Установить режим игры на творческий+
@@ -444,6 +451,7 @@ nei.subsets.Items.Armor.Boots=Ботинки
 nei.subsets.Items.Armor.Chestplates=Нагрудники
 nei.subsets.Items.Armor.Helmets=Шлемы
 nei.subsets.Items.Armor.Leggings=Поножи
+nei.subsets.Items.Fluids=Жидкости
 nei.subsets.Items.Food=Еда
 nei.subsets.Items.Potions=Зелья
 nei.subsets.Items.Potions.Ingredients=Ингредиенты