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Add null checks for aliases

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This commit is contained in:
LeoDog896 2021-02-09 09:26:53 -05:00
parent 3d74e74b9e
commit 79ec9e6569
1 changed files with 8 additions and 3 deletions
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11
src/main/java/net/minestom/server/command/CommandManager.java
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@ -67,9 +67,11 @@ public final class CommandManager {
public synchronized void register(@NotNull Command command) {
Check.stateCondition(commandExists(command.getName()),
"A command with the name " + command.getName() + " is already registered!");
for (String alias : command.getAliases()) {
Check.stateCondition(commandExists(alias),
"A command with the name " + alias + " is already registered!");
if (command.getAliases() != null) {
for (String alias : command.getAliases()) {
Check.stateCondition(commandExists(alias),
"A command with the name " + alias + " is already registered!");
}
}
this.dispatcher.register(command);
}
@ -315,6 +317,9 @@ public final class CommandManager {
int mainNodeIndex = createCommand(player, nodes, cmdChildren, command.getName(), syntaxes, rootChildren);
// Use redirection to hook aliases with the command
if (command.getAliases() == null)
continue;
for (String alias : command.getAliases()) {
DeclareCommandsPacket.Node node = new DeclareCommandsPacket.Node();
node.flags = getFlag(NodeType.LITERAL, false, true, false);