From 57c83485e1db1513fa204c3ef5a0d81176995490 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=A9o=20Kosman?= <leo.kosman@proton.me>
Date: Sat, 24 Aug 2024 13:25:56 +0200
Subject: feat: set and shrink world borders

---
 src/main/java/world/anhgelus/molehunt/Game.java    | 24 ++++++++++++++++++++++
 .../world/anhgelus/molehunt/config/Config.java     |  1 +
 2 files changed, 25 insertions(+)

(limited to 'src/main/java/world/anhgelus')

diff --git a/src/main/java/world/anhgelus/molehunt/Game.java b/src/main/java/world/anhgelus/molehunt/Game.java
index dbe7ebd..b6c0338 100644
--- a/src/main/java/world/anhgelus/molehunt/Game.java
+++ b/src/main/java/world/anhgelus/molehunt/Game.java
@@ -21,6 +21,8 @@ public class Game {
     public final int defaultTime = Molehunt.CONFIG.getGameDuration()*60;
     private int remaining = defaultTime;
 
+    private Timer borderTimeOffsetTime = new Timer();
+
     private final MinecraftServer server;
 
     private final List<ServerPlayerEntity> moles = new ArrayList<>();
@@ -57,6 +59,20 @@ public class Game {
         gamerules.get(GameRules.DO_IMMEDIATE_RESPAWN).set(true, server);
         gamerules.get(GameRules.DO_ENTITY_DROPS).set(false, server);
 
+        final var worldBorder = server.getOverworld().getWorldBorder();
+        worldBorder.setSize(Molehunt.CONFIG.getInitialWorldSize());
+        if (Molehunt.CONFIG.getBorderShrinkingStartingTimeOffset() < Molehunt.CONFIG.getGameDuration()) {
+            borderTimeOffsetTime.schedule(new TimerTask() {
+                @Override
+                public void run() {
+                    worldBorder.interpolateSize(
+                            Molehunt.CONFIG.getInitialWorldSize(),
+                            Molehunt.CONFIG.getFinalWorldSize(),
+                            (long) (Molehunt.CONFIG.getGameDuration() - Molehunt.CONFIG.getBorderShrinkingStartingTimeOffset()) * 60 * 60);
+                }
+            }, (long) Molehunt.CONFIG.getBorderShrinkingStartingTimeOffset() * 60 * 60);
+        }
+
         final var title = new TitleS2CPacket(Text.translatable("molehunt.game.start.suspense"));
         playerManager.getPlayerList().forEach(p -> {
             p.kill();
@@ -116,6 +132,14 @@ public class Game {
     public void end() {
         timer.cancel();
         timer = new Timer();
+
+        borderTimeOffsetTime.cancel();
+        borderTimeOffsetTime = new Timer();
+
+        final var worldBorder = server.getOverworld().getWorldBorder();
+        // Stops the border shrinking.
+        worldBorder.setSize(worldBorder.getSize());
+
         started = false;
         final var pm = server.getPlayerManager();
         final var winnerSuspense = new TitleS2CPacket(Text.translatable("molehunt.game.end.suspense.title"));
diff --git a/src/main/java/world/anhgelus/molehunt/config/Config.java b/src/main/java/world/anhgelus/molehunt/config/Config.java
index b42a469..3f22df3 100644
--- a/src/main/java/world/anhgelus/molehunt/config/Config.java
+++ b/src/main/java/world/anhgelus/molehunt/config/Config.java
@@ -114,6 +114,7 @@ public class Config {
                 
                 # Shrinking starting offset (in minutes)
                 # The time before starting to shrink the world borders.
+                # If this value is greater than the game duration, borders will never shrink.
                 # Default: 10 minutes.
                 border_shrinking_starting_time_offset = 10
                 """;
-- 
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