Add a delay to game closing

Fixes #3

Author: haykam821

src/main/java/io/github/haykam821/blocklobbers/game/BlockLobbersConfig.java

@@ -4,26 +4,34 @@
 import com.mojang.serialization.MapCodec;
 import com.mojang.serialization.codecs.RecordCodecBuilder;
 
+import net.minecraft.SharedConstants;
 import net.minecraft.util.Identifier;
+import net.minecraft.util.math.intprovider.ConstantIntProvider;
+import net.minecraft.util.math.intprovider.IntProvider;
 import xyz.nucleoid.plasmid.api.game.common.config.WaitingLobbyConfig;
 
 public class BlockLobbersConfig {
+	private static final IntProvider DEFAULT_TICKS_UNTIL_CLOSE = ConstantIntProvider.create(SharedConstants.TICKS_PER_SECOND * 5);
+
 	public static final MapCodec<BlockLobbersConfig> CODEC = RecordCodecBuilder.mapCodec(instance -> {
 		return instance.group(
 			Identifier.CODEC.fieldOf("map").forGetter(BlockLobbersConfig::getMap),
 			WaitingLobbyConfig.CODEC.fieldOf("players").forGetter(BlockLobbersConfig::getPlayerConfig),
-			Codec.BOOL.optionalFieldOf("consume_lobbables", true).forGetter(BlockLobbersConfig::shouldConsumeLobbables)
+			Codec.BOOL.optionalFieldOf("consume_lobbables", true).forGetter(BlockLobbersConfig::shouldConsumeLobbables),
+			IntProvider.NON_NEGATIVE_CODEC.optionalFieldOf("ticks_until_close", DEFAULT_TICKS_UNTIL_CLOSE).forGetter(BlockLobbersConfig::getTicksUntilClose)
 		).apply(instance, BlockLobbersConfig::new);
 	});
 
 	private final Identifier map;
 	private final WaitingLobbyConfig playerConfig;
 	private final boolean consumeLobbables;
+	private final IntProvider ticksUntilClose;
 
-	public BlockLobbersConfig(Identifier map, WaitingLobbyConfig playerConfig, boolean consumeLobbables) {
+	public BlockLobbersConfig(Identifier map, WaitingLobbyConfig playerConfig, boolean consumeLobbables, IntProvider ticksUntilClose) {
 		this.map = map;
 		this.playerConfig = playerConfig;
 		this.consumeLobbables = consumeLobbables;
+		this.ticksUntilClose = ticksUntilClose;
 	}
 
 	public Identifier getMap() {
@@ -37,4 +45,8 @@ public WaitingLobbyConfig getPlayerConfig() {
 	public boolean shouldConsumeLobbables() {
 		return this.consumeLobbables;
 	}
+
+	public IntProvider getTicksUntilClose() {
+		return this.ticksUntilClose;
+	}
 }

src/main/java/io/github/haykam821/blocklobbers/game/phase/BlockLobbersActivePhase.java

@@ -41,7 +41,7 @@ public class BlockLobbersActivePhase implements BlockBreakEvent, GameActivityEve
 	private final Set<PlayerEntry> players;
 	private final WinManager winManager;
 
-	private boolean closing;
+	private int ticksUntilClose = -1;
 
 	public BlockLobbersActivePhase(GameSpace gameSpace, ServerWorld world, BlockLobbersMap map, BlockLobbersConfig config) {
 		this.gameSpace = gameSpace;
@@ -106,6 +106,17 @@ public void onEnable() {
 
 	@Override
 	public void onTick() {
+		// Decrease ticks until game end to zero
+		if (this.isGameEnding()) {
+			if (this.ticksUntilClose == 0) {
+				this.gameSpace.close(GameCloseReason.FINISHED);
+			} else {
+				this.ticksUntilClose -= 1;
+			}
+
+			return;
+		}
+
 		Iterator<PlayerEntry> playerIterator = this.players.iterator();
 		while (playerIterator.hasNext()) {
 			PlayerEntry entry = playerIterator.next();
@@ -116,8 +127,7 @@ public void onTick() {
 
 		// Attempt to determine a winner
 		if (this.winManager.checkForWinner()) {
-			this.closing = true;
-			gameSpace.close(GameCloseReason.FINISHED);
+			this.endGame();
 		}
 	}
 
@@ -207,7 +217,7 @@ private void setSpectator(ServerPlayerEntity player) {
 	}
 
 	private boolean eliminate(PlayerEntry entry, String suffix, boolean remove) {
-		if (this.closing) return false;
+		if (this.isGameEnding()) return false;
 
 		Text message = entry.getEliminatedText(suffix);
 		for (ServerPlayerEntity player : this.gameSpace.getPlayers()) {
@@ -225,4 +235,12 @@ private boolean eliminate(PlayerEntry entry, String suffix, boolean remove) {
 	public boolean eliminate(PlayerEntry entry, boolean remove) {
 		return this.eliminate(entry, "", remove);
 	}
+
+	private void endGame() {
+		this.ticksUntilClose = this.config.getTicksUntilClose().get(this.world.getRandom());
+	}
+
+	private boolean isGameEnding() {
+		return this.ticksUntilClose >= 0;
+	}
 }