Implement ItemComparatorRegistry as a replacement for previous check tags and check amount flags

Signed-off-by: shedaniel <daniel@shedaniel.me>

1 files changed, 62 insertions, 0 deletions

diff --git a/runtime/src/main/java/me/shedaniel/rei/impl/HashedEntryStackWrapper.java b/runtime/src/main/java/me/shedaniel/rei/impl/HashedEntryStackWrapper.java
new file mode 100644
index 000000000..5ed08e1c2
--- /dev/null
+++ b/runtime/src/main/java/me/shedaniel/rei/impl/HashedEntryStackWrapper.java
@@ -0,0 +1,62 @@
+/*
+ * 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.rei.api.ingredient.EntryStack;
+import me.shedaniel.rei.api.ingredient.util.EntryStacks;
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+import org.jetbrains.annotations.ApiStatus;
+
+import java.util.Objects;
+
+@ApiStatus.Internal
+@Environment(EnvType.CLIENT)
+public class HashedEntryStackWrapper {
+    private final EntryStack<?> stack;
+    private int hash;
+    
+    public HashedEntryStackWrapper(EntryStack<?> stack) {
+        this.stack = Objects.requireNonNull(stack);
+        this.hash = EntryStacks.hashExact(stack);
+    }
+    
+    @Override
+    public boolean equals(Object o) {
+        return o instanceof HashedEntryStackWrapper && hashCode() == o.hashCode();
+    }
+    
+    @Override
+    public int hashCode() {
+        return hash;
+    }
+    
+    public boolean isEmpty() {
+        return stack.isEmpty();
+    }
+    
+    public EntryStack<?> unwrap() {
+        return stack;
+    }
+}
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