ForgePatch/src/main/java/net/minecraftforge/fml/DistExecutor.java

71 lines
2.2 KiB
Java

/*
* Minecraft Forge
* Copyright (c) 2018.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation version 2.1
* of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package net.minecraftforge.fml;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.fml.loading.FMLEnvironment;
import java.util.concurrent.Callable;
import java.util.function.Supplier;
public final class DistExecutor
{
private DistExecutor() {}
/**
* Run the callable in the supplier only on the specified {@link Side}
*
* @param dist The dist to run on
* @param toRun A supplier of the callable to run (Supplier wrapper to ensure classloading only on the appropriate dist)
* @param <T> The return type from the callable
* @return The callable's result
*/
public static <T> T callWhenOn(Dist dist, Supplier<Callable<T>> toRun) {
if (dist == FMLEnvironment.dist) {
try
{
return toRun.get().call();
}
catch (Exception e)
{
throw new RuntimeException(e);
}
}
return null;
}
public static void runWhenOn(Dist dist, Supplier<Runnable> toRun) {
if (dist == FMLEnvironment.dist) {
toRun.get().run();
}
}
public static <T> T runForDist(Supplier<Supplier<T>> clientTarget, Supplier<Supplier<T>> serverTarget) {
switch (FMLEnvironment.dist)
{
case CLIENT:
return clientTarget.get().get();
case DEDICATED_SERVER:
return serverTarget.get().get();
default:
throw new IllegalArgumentException("UNSIDED?");
}
}
}