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