Merge branch 'master' into new-block-api

# Conflicts:
#	src/main/java/net/minestom/server/utils/ArrayUtils.java

src/main/java/net/minestom/server/command/CommandManager.java

@@ -316,9 +316,9 @@ public final class CommandManager {
         final int literalNodeId = addCommandNameNode(literalNode, rootChildren, nodes);
 
         // Contains the arguments of the already-parsed syntaxes
-        List<Argument<?>[]> syntaxesArguments = new ArrayList<>();
+        Map<CommandSyntax, Argument<?>[]> syntaxesArguments = new HashMap<>();
         // Contains the nodes of an argument
-        Map<Argument<?>, List<DeclareCommandsPacket.Node[]>> storedArgumentsNodes = new HashMap<>();
+        Map<IndexedArgument, List<DeclareCommandsPacket.Node[]>> storedArgumentsNodes = new HashMap<>();
 
         // Sort syntaxes by argument count. Brigadier requires it.
         syntaxes = syntaxes.stream().sorted(Comparator.comparingInt(o -> -o.getArguments().length)).collect(Collectors.toList());
@@ -347,14 +347,16 @@ public final class CommandManager {
                 {
                     // Find shared part
                     boolean foundSharedPart = false;
-                    for (Argument<?>[] parsedArguments : syntaxesArguments) {
+                    for (var entry : syntaxesArguments.entrySet()) {
+                        final var parsedArguments = entry.getValue();
                         final int index = i + 1;
                         if (ArrayUtils.sameStart(arguments, parsedArguments, index)) {
                             final Argument<?> sharedArgument = parsedArguments[i];
-                            final List<DeclareCommandsPacket.Node[]> storedNodes = storedArgumentsNodes.get(sharedArgument);
+                            final var indexed = new IndexedArgument(entry.getKey(), sharedArgument, i);
+                            final List<DeclareCommandsPacket.Node[]> storedNodes = storedArgumentsNodes.get(indexed);
 
                             argChildren = new IntArrayList();
-                            lastNodes = storedNodes.get(index);
+                            lastNodes = storedNodes.get(storedNodes.size() >= index ? index : 1);
                             foundSharedPart = true;
                         }
                     }
@@ -369,7 +371,7 @@ public final class CommandManager {
 
                     // Each node array represent a layer
                     final List<DeclareCommandsPacket.Node[]> nodesLayer = nodeMaker.getNodes();
-                    storedArgumentsNodes.put(argument, new ArrayList<>(nodesLayer));
+                    storedArgumentsNodes.put(new IndexedArgument(syntax, argument, i), new ArrayList<>(nodesLayer));
                     for (int nodeIndex = lastArgumentNodeIndex; nodeIndex < nodesLayer.size(); nodeIndex++) {
                         final NodeMaker.ConfiguredNodes configuredNodes = nodeMaker.getConfiguredNodes().get(nodeIndex);
                         final NodeMaker.Options options = configuredNodes.getOptions();
@@ -417,17 +419,18 @@ public final class CommandManager {
 
             nodeRequests.addAll(nodeMaker.getNodeRequests());
 
-            syntaxesArguments.add(arguments);
+            syntaxesArguments.put(syntax, arguments);
         }
 
-        storedArgumentsNodes.forEach((argument, argNodes) -> {
+        storedArgumentsNodes.forEach((indexedArgument, argNodes) -> {
             int value = 0;
             for (DeclareCommandsPacket.Node[] n1 : argNodes) {
                 for (DeclareCommandsPacket.Node n2 : n1) {
                     value = nodes.indexOf(n2);
                 }
             }
-            argumentIdentityMap.put(argument, value);
+            // FIXME: add syntax for indexing
+            argumentIdentityMap.put(indexedArgument.argument, value);
         });
 
         literalNode.children = ArrayUtils.toArray(cmdChildren);
@@ -451,4 +454,38 @@ public final class CommandManager {
         nodes.add(commandNode);
         return node;
     }
+
+    private static class IndexedArgument {
+        private final CommandSyntax syntax;
+        private final Argument<?> argument;
+        private final int index;
+
+        public IndexedArgument(CommandSyntax syntax, Argument<?> argument, int index) {
+            this.syntax = syntax;
+            this.argument = argument;
+            this.index = index;
+        }
+
+        @Override
+        public boolean equals(Object o) {
+            if (this == o) return true;
+            if (o == null || getClass() != o.getClass()) return false;
+            IndexedArgument that = (IndexedArgument) o;
+            return index == that.index && Objects.equals(syntax, that.syntax) && Objects.equals(argument, that.argument);
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hash(syntax, argument, index);
+        }
+
+        @Override
+        public String toString() {
+            return "IndexedArgument{" +
+                    "syntax=" + syntax +
+                    ", argument=" + argument +
+                    ", index=" + index +
+                    '}';
+        }
+    }
 }

src/main/java/net/minestom/server/utils/ArrayUtils.java

@@ -1,30 +1,28 @@
 package net.minestom.server.utils;
 
 import it.unimi.dsi.fastutil.ints.IntList;
-import net.minestom.server.utils.validate.Check;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 
-import java.util.function.Supplier;
+import java.util.Objects;
 
+@ApiStatus.Internal
 public final class ArrayUtils {
 
     private ArrayUtils() {
-
     }
 
-    public static int[] concatenateIntArrays(@NotNull int[]... arrays) {
+    public static int[] concatenateIntArrays(int @NotNull []... arrays) {
         int totalLength = 0;
         for (int[] array : arrays) {
             totalLength += array.length;
         }
         int[] result = new int[totalLength];
-
         int startingPos = 0;
         for (int[] array : arrays) {
             System.arraycopy(array, 0, result, startingPos, array.length);
             startingPos += array.length;
         }
-
         return result;
     }
 
@@ -32,11 +30,6 @@ public final class ArrayUtils {
         System.arraycopy(arr, index + 1, arr, index, arr.length - 1 - index);
     }
 
-    public static void copyToDestination(short[] src, short[] dest) {
-        Check.argCondition(src.length != dest.length, "The two arrays need to have the same length.");
-        System.arraycopy(src, 0, dest, 0, src.length);
-    }
-
     /**
      * Gets the differences between 2 arrays.
      *
@@ -44,8 +37,7 @@ public final class ArrayUtils {
      * @param b the second array
      * @return an array containing a's indexes that aren't in b array
      */
-    @NotNull
+    public static int @NotNull [] getDifferencesBetweenArray(long @NotNull [] a, long @NotNull [] b) {
-    public static int[] getDifferencesBetweenArray(@NotNull long[] a, @NotNull long[] b) {
         int counter = 0;
         int[] indexes = new int[Math.max(a.length, b.length)];
 
@@ -69,36 +61,28 @@ public final class ArrayUtils {
         return result;
     }
 
-    @NotNull
+    public static int @NotNull [] toArray(@NotNull IntList list) {
-    public static int[] toArray(@NotNull IntList list) {
         int[] array = new int[list.size()];
-        for (int i = 0; i < array.length; i++) {
+        list.getElements(0, array, 0, array.length);
-            array[i] = list.getInt(i);
-        }
         return array;
     }
 
     /**
      * Gets if two arrays share the same start until {@code length}.
      *
-     * @param array1 the first array
+     * @param first  the first array
-     * @param array2 the second array
+     * @param second the second array
      * @param length the length to check (0-length)
      * @param <T>    the type of the arrays
      * @return true if both arrays share the same start
      */
-    public static <T> boolean sameStart(T[] array1, T[] array2, int length) {
+    public static <T> boolean sameStart(@NotNull T[] first, @NotNull T[] second, int length) {
-        if (length > array1.length || length > array2.length) {
+        if (Math.min(first.length, second.length) < length) {
             return false;
         }
-
         for (int i = 0; i < length; i++) {
-            final T value1 = array1[i];
+            if (!Objects.equals(first[i], second[i])) {
-            for (int j = 0; j < length; j++) {
+                return false;
-                final T value2 = array2[j];
-                if (!value1.equals(value2)) {
-                    return false;
-                }
             }
         }
         return true;