From fadc170c62bd6d6b5c0fdac741256b23e9444bc1 Mon Sep 17 00:00:00 2001
From: ScarletRedMan <terentev.andrey.2002@gmail.com>
Date: Sat, 28 Sep 2024 01:52:16 +0700
Subject: [PATCH] feat: implemented resource pack local repository

---
 .../ru/dragonestia/msb3/api/Bootstrap.java    |  4 +-
 .../module/ResourcePackRepositoryModule.java  | 76 +++++++++++++++++++
 2 files changed, 79 insertions(+), 1 deletion(-)
 create mode 100644 api/src/main/java/ru/dragonestia/msb3/api/module/ResourcePackRepositoryModule.java

diff --git a/api/src/main/java/ru/dragonestia/msb3/api/Bootstrap.java b/api/src/main/java/ru/dragonestia/msb3/api/Bootstrap.java
index fd7518d..af54373 100644
--- a/api/src/main/java/ru/dragonestia/msb3/api/Bootstrap.java
+++ b/api/src/main/java/ru/dragonestia/msb3/api/Bootstrap.java
@@ -3,6 +3,7 @@ package ru.dragonestia.msb3.api;
 import lombok.extern.log4j.Log4j2;
 import net.minestom.server.entity.GameMode;
 import ru.dragonestia.msb3.api.module.FlatWorldModule;
+import ru.dragonestia.msb3.api.module.ResourcePackRepositoryModule;
 
 @Log4j2
 public class Bootstrap {
@@ -12,7 +13,8 @@ public class Bootstrap {
 
         FlatWorldModule.init(GameMode.ADVENTURE);
 
-        boot.getResourcePackManager().compile();
+        ResourcePackRepositoryModule.init(boot, "0.0.0.0", 7270);
+
         boot.start("0.0.0.0", 25565);
     }
 }
diff --git a/api/src/main/java/ru/dragonestia/msb3/api/module/ResourcePackRepositoryModule.java b/api/src/main/java/ru/dragonestia/msb3/api/module/ResourcePackRepositoryModule.java
new file mode 100644
index 0000000..43559c5
--- /dev/null
+++ b/api/src/main/java/ru/dragonestia/msb3/api/module/ResourcePackRepositoryModule.java
@@ -0,0 +1,76 @@
+package ru.dragonestia.msb3.api.module;
+
+import lombok.SneakyThrows;
+import net.kyori.adventure.resource.ResourcePackCallback;
+import net.kyori.adventure.resource.ResourcePackInfo;
+import net.kyori.adventure.resource.ResourcePackRequest;
+import net.kyori.adventure.text.Component;
+import net.minestom.server.MinecraftServer;
+import net.minestom.server.event.player.PlayerSpawnEvent;
+import ru.dragonestia.msb3.api.ServerBootstrap;
+import team.unnamed.creative.BuiltResourcePack;
+import team.unnamed.creative.base.Writable;
+import team.unnamed.creative.server.ResourcePackServer;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.InputStream;
+import java.net.URI;
+import java.security.MessageDigest;
+import java.util.Formatter;
+import java.util.UUID;
+
+import static net.kyori.adventure.text.format.NamedTextColor.RED;
+
+public class ResourcePackRepositoryModule {
+
+    private static boolean used = false;
+
+    private ResourcePackRepositoryModule() {}
+
+    @SneakyThrows
+    public static synchronized void init(ServerBootstrap bootstrap, String address, int port) {
+        if (used) return;
+        used = true;
+
+        bootstrap.getResourcePackManager().compile();
+
+        var file = new File("./resource-pack.zip");
+        var hash = calculateHash(file);
+        var uuid = UUID.randomUUID();
+        var server = ResourcePackServer.server()
+                .address(address, port)
+                .pack(BuiltResourcePack.of(Writable.file(file), hash))
+                .build();
+
+        server.start();
+
+        MinecraftServer.getGlobalEventHandler().addListener(PlayerSpawnEvent.class, event -> {
+            var player = event.getPlayer();
+
+            player.sendResourcePacks(ResourcePackRequest.resourcePackRequest()
+                    .packs(ResourcePackInfo.resourcePackInfo(uuid, URI.create("http://" + address + ":" + port), hash))
+                    .replace(false)
+                    .prompt(Component.text("Пакет ресурсов необходим для продолжения игры.", RED))
+                    .required(true)
+                    .callback(ResourcePackCallback.noOp())
+                    .build());
+        });
+    }
+
+    @SneakyThrows
+    private static String calculateHash(File file) {
+        MessageDigest digest = MessageDigest.getInstance("SHA-1");
+
+        try (InputStream fis = new FileInputStream(file)) {
+            byte[] bytes = fis.readAllBytes();
+            return byteArray2Hex(digest.digest(bytes));
+        }
+    }
+
+    private static String byteArray2Hex(final byte[] hash) {
+        Formatter formatter = new Formatter();
+        for (byte b: hash) formatter.format("%02x", b);
+        return formatter.toString();
+    }
+}