1 files changed, 159 insertions, 0 deletions
diff --git a/RoughlyEnoughItems-runtime/src/main/java/me/shedaniel/rei/impl/EmptyEntryStack.java b/RoughlyEnoughItems-runtime/src/main/java/me/shedaniel/rei/impl/EmptyEntryStack.java
new file mode 100644
index 000000000..66fc6417d
--- /dev/null
+++ b/RoughlyEnoughItems-runtime/src/main/java/me/shedaniel/rei/impl/EmptyEntryStack.java
@@ -0,0 +1,159 @@
+/*
+ * This file is licensed under the MIT License, part of Roughly Enough Items.
+ * Copyright (c) 2018, 2019, 2020 shedaniel
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package me.shedaniel.rei.impl;
+
+import me.shedaniel.math.Point;
+import me.shedaniel.math.Rectangle;
+import me.shedaniel.rei.api.EntryStack;
+import me.shedaniel.rei.api.fractions.Fraction;
+import me.shedaniel.rei.api.widgets.Tooltip;
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+import net.minecraft.client.util.math.MatrixStack;
+import net.minecraft.util.Identifier;
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.Optional;
+
+@ApiStatus.Internal
+@Environment(EnvType.CLIENT)
+public class EmptyEntryStack implements EntryStack {
+    
+    @ApiStatus.Internal
+    public static final EntryStack EMPTY = new EmptyEntryStack();
+    
+    private EmptyEntryStack() {
+    }
+    
+    @Override
+    public Optional<Identifier> getIdentifier() {
+        return Optional.empty();
+    }
+    
+    @Override
+    public Type getType() {
+        return Type.EMPTY;
+    }
+    
+    @Override
+    public int getAmount() {
+        return 0;
+    }
+    
+    @Override
+    public Fraction getAccurateAmount() {
+        return Fraction.empty();
+    }
+    
+    @Override
+    public void setAmount(Fraction amount) {
+        
+    }
+    
+    @Override
+    public boolean isEmpty() {
+        return true;
+    }
+    
+    @Override
+    public EntryStack copy() {
+        return this;
+    }
+    
+    @Override
+    public Object getObject() {
+        return null;
+    }
+    
+    @Override
+    public boolean equals(EntryStack stack, boolean ignoreTags, boolean ignoreAmount) {
+        return stack.getType() == getType();
+    }
+    
+    @Override
+    public boolean equalsIgnoreTagsAndAmount(EntryStack stack) {
+        return stack.getType() == getType();
+    }
+    
+    @Override
+    public boolean equalsIgnoreTags(EntryStack stack) {
+        return stack.getType() == getType();
+    }
+    
+    @Override
+    public boolean equalsIgnoreAmount(EntryStack stack) {
+        return stack.getType() == getType();
+    }
+    
+    @Override
+    public boolean equalsAll(EntryStack stack) {
+        return stack.getType() == getType();
+    }
+    
+    @Override
+    public int getZ() {
+        return 0;
+    }
+    
+    @Override
+    public void setZ(int z) {
+        
+    }
+    
+    @Override
+    public <T> EntryStack setting(Settings<T> settings, T value) {
+        return this;
+    }
+    
+    @Override
+    public <T> EntryStack removeSetting(Settings<T> settings) {
+        return this;
+    }
+    
+    @Override
+    public EntryStack clearSettings() {
+        return this;
+    }
+    
+    @Override
+    public <T> T get(Settings<T> settings) {
+        return settings.getDefaultValue();
+    }
+    
+    @Override
+    public @Nullable Tooltip getTooltip(Point point) {
+        return null;
+    }
+    
+    @Override
+    public void render(MatrixStack matrices, Rectangle bounds, int mouseX, int mouseY, float delta) {
+        
+    }
+    
+    @Override
+    public int hashCode() {
+        return 0;
+    }
+}