Remove GiveAll, GiveArt, GiveChar commands

src/main/java/emu/grasscutter/utils/SparseSet.java

@@ -0,0 +1,60 @@
+package emu.grasscutter.utils;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Set;
+import java.util.TreeSet;
+
+public final class SparseSet {
+    /*
+     * A convenience class for constructing integer sets out of large ranges
+     * Designed to be fed literal strings from this project only -
+     * can and will throw exceptions to tell you to fix your code if you feed it garbage. :)
+     */
+    private static class Range {
+        private final int min, max;
+
+        public Range(int min, int max) {
+            if (min > max) {
+                throw new IllegalArgumentException("Range passed minimum higher than maximum - " + Integer.toString(min) + " > " + Integer.toString(max));
+            }
+            this.min = min;
+            this.max = max;
+        }
+
+        public boolean check(int value) {
+            return value >= this.min && value <= this.max;
+        }
+    }
+
+    private final List<Range> rangeEntries;
+    private final Set<Integer> denseEntries;
+
+    public SparseSet(String csv) {
+        this.rangeEntries = new ArrayList<>();
+        this.denseEntries = new TreeSet<>();
+
+        for (String token : csv.replace("\n", "").replace(" ", "").split(",")) {
+            String[] tokens = token.split("-");
+            switch (tokens.length) {
+                case 1:
+                    this.denseEntries.add(Integer.parseInt(tokens[0]));
+                    break;
+                case 2:
+                    this.rangeEntries.add(new Range(Integer.parseInt(tokens[0]), Integer.parseInt(tokens[1])));
+                    break;
+                default:
+                    throw new IllegalArgumentException("Invalid token passed to SparseSet initializer - " + token + " (split length " + Integer.toString(tokens.length) + ")");
+            }
+        }
+    }
+
+    public boolean contains(int i) {
+        for (Range range : this.rangeEntries) {
+            if (range.check(i)) {
+                return true;
+            }
+        }
+        return this.denseEntries.contains(i);
+    }
+}