architectury-api/common/src/main/java/me/shedaniel/architectury/event/EventHandler.java

/*
 * Copyright 2020 shedaniel
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package me.shedaniel.architectury.event;

import me.shedaniel.architectury.ArchitecturyPopulator;
import me.shedaniel.architectury.Populatable;
import me.shedaniel.architectury.platform.Platform;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;

public final class EventHandler {
    private EventHandler() {}
    
    @Populatable
    private static final Impl IMPL = null;
    private static boolean initialized = false;
    
    public static void init() {
        if (initialized) return;
        initialized = true;
        if (Platform.getEnv() == EnvType.CLIENT)
            IMPL.registerClient();
        IMPL.registerCommon();
        if (Platform.getEnv() == EnvType.SERVER)
            IMPL.registerServer();
    }
    
    public interface Impl {
        @Environment(EnvType.CLIENT)
        void registerClient();
        
        void registerCommon();
        
        @Environment(EnvType.SERVER)
        void registerServer();
    }
    
    static {
        ArchitecturyPopulator.populate(EventHandler.class);
    }
}