隔离客户端与服务端的Screen

Author: Viola-Siemens

src/main/java/com/hexagram2021/real_peaceful_mode/client/ScreenManager.java

@@ -0,0 +1,13 @@
+package com.hexagram2021.real_peaceful_mode.client;
+
+import com.hexagram2021.real_peaceful_mode.client.screens.MissionListScreen;
+import com.hexagram2021.real_peaceful_mode.common.mission.MissionManager;
+import net.minecraft.client.Minecraft;
+
+import java.util.List;
+
+public final class ScreenManager {
+	public static void openMissionListScreen(List<MissionManager.Mission> activeMissions, List<MissionManager.Mission> finishedMissions) {
+		Minecraft.getInstance().setScreen(new MissionListScreen(activeMissions, finishedMissions));
+	}
+}

src/main/java/com/hexagram2021/real_peaceful_mode/client/screens/MissionListScreen.java

@@ -12,13 +12,16 @@
 import net.minecraft.util.FormattedCharSequence;
 import net.minecraft.util.Mth;
 import net.minecraft.util.Tuple;
+import net.minecraftforge.api.distmarker.Dist;
+import net.minecraftforge.api.distmarker.OnlyIn;
 
 import javax.annotation.Nullable;
 import java.util.List;
 import java.util.stream.Collectors;
 
 import static com.hexagram2021.real_peaceful_mode.RealPeacefulMode.MODID;
 
+@OnlyIn(Dist.CLIENT)
 public class MissionListScreen extends Screen {
 	private static final int MAX_MISSIONS_PER_SCREEN = 6;
 

src/main/java/com/hexagram2021/real_peaceful_mode/network/GetMissionsPacket.java

@@ -2,12 +2,11 @@
 
 import com.google.common.collect.Lists;
 import com.hexagram2021.real_peaceful_mode.RealPeacefulMode;
-import com.hexagram2021.real_peaceful_mode.client.screens.MissionListScreen;
+import com.hexagram2021.real_peaceful_mode.client.ScreenManager;
 import com.hexagram2021.real_peaceful_mode.common.ForgeEventHandler;
 import com.hexagram2021.real_peaceful_mode.common.mission.IPlayerListWithMissions;
 import com.hexagram2021.real_peaceful_mode.common.mission.MissionManager;
 import com.hexagram2021.real_peaceful_mode.common.mission.PlayerMissions;
-import net.minecraft.client.Minecraft;
 import net.minecraft.network.FriendlyByteBuf;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.server.level.ServerPlayer;
@@ -85,7 +84,7 @@ public void handle(NetworkEvent.Context context) {
 		assert (sender == null) ^ (this.type == PacketType.REQUEST);
 		context.enqueueWork(() -> {
 			if(sender == null) {
-				Minecraft.getInstance().setScreen(new MissionListScreen(this.activeMissions, this.finishedMissions));
+				ScreenManager.openMissionListScreen(this.activeMissions, this.finishedMissions);
 			} else {
 				PlayerMissions playerMissions = ((IPlayerListWithMissions) Objects.requireNonNull(sender.getServer()).getPlayerList()).getPlayerMissions(sender);
 				List<MissionManager.Mission> activeMissions = playerMissions.activeMissions()