Code/net/minecraft/commands/execution/tasks/ContinuationTask.java

51 lines
1.9 KiB
Java

package net.minecraft.commands.execution.tasks;
import java.util.List;
import net.minecraft.commands.execution.CommandQueueEntry;
import net.minecraft.commands.execution.EntryAction;
import net.minecraft.commands.execution.ExecutionContext;
import net.minecraft.commands.execution.Frame;
public class ContinuationTask<T, P> implements EntryAction<T> {
private final ContinuationTask.TaskProvider<T, P> taskFactory;
private final List<P> arguments;
private final CommandQueueEntry<T> selfEntry;
private int index;
private ContinuationTask(ContinuationTask.TaskProvider<T, P> p_312248_, List<P> p_311891_, Frame p_311182_) {
this.taskFactory = p_312248_;
this.arguments = p_311891_;
this.selfEntry = new CommandQueueEntry<>(p_311182_, this);
}
@Override
public void execute(ExecutionContext<T> p_310507_, Frame p_311035_) {
P p = this.arguments.get(this.index);
p_310507_.queueNext(this.taskFactory.create(p_311035_, p));
if (++this.index < this.arguments.size()) {
p_310507_.queueNext(this.selfEntry);
}
}
public static <T, P> void schedule(ExecutionContext<T> p_311894_, Frame p_312100_, List<P> p_310159_, ContinuationTask.TaskProvider<T, P> p_309687_) {
int i = p_310159_.size();
switch (i) {
case 0:
break;
case 1:
p_311894_.queueNext(p_309687_.create(p_312100_, p_310159_.get(0)));
break;
case 2:
p_311894_.queueNext(p_309687_.create(p_312100_, p_310159_.get(0)));
p_311894_.queueNext(p_309687_.create(p_312100_, p_310159_.get(1)));
break;
default:
p_311894_.queueNext((new ContinuationTask<>(p_309687_, p_310159_, p_312100_)).selfEntry);
}
}
@FunctionalInterface
public interface TaskProvider<T, P> {
CommandQueueEntry<T> create(Frame p_312749_, P p_312271_);
}
}