From 71a8ca2a8adb3b5502688f7b692e5d7c275e951b Mon Sep 17 00:00:00 2001
From: KingRainbow44 <kobedo11@gmail.com>
Date: Tue, 11 Apr 2023 21:07:29 -0400
Subject: [PATCH] Implement scripting: `SetEntityServerGlobalValueByConfigId`

w/ help from: Moistcrafter#9172
---
 .../java/emu/grasscutter/scripts/ScriptLib.java | 10 ++++++++--
 .../PacketServerGlobalValueChangeNotify.java    | 17 +++++++++++++++++
 2 files changed, 25 insertions(+), 2 deletions(-)
 create mode 100644 src/main/java/emu/grasscutter/server/packet/send/PacketServerGlobalValueChangeNotify.java

diff --git a/src/main/java/emu/grasscutter/scripts/ScriptLib.java b/src/main/java/emu/grasscutter/scripts/ScriptLib.java
index 2f0ad750e..2877f5eb5 100644
--- a/src/main/java/emu/grasscutter/scripts/ScriptLib.java
+++ b/src/main/java/emu/grasscutter/scripts/ScriptLib.java
@@ -512,8 +512,14 @@ public class ScriptLib {
     }
 
     public int SetEntityServerGlobalValueByConfigId(int cfgId, String sgvName, int value){
-        logger.warn("[LUA] Call unimplemented SetEntityServerGlobalValueByConfigId with {} {} {}", cfgId, sgvName, value);
-        //TODO implement
+        var scriptManager = this.getSceneScriptManager();
+        if (scriptManager == null) return 1;
+
+        var entity = scriptManager.getScene().getEntityByConfigId(cfgId);
+        if (entity == null) return 2;
+
+        scriptManager.getScene().getWorld().broadcastPacket(
+            new PacketServerGlobalValueChangeNotify(entity, sgvName, value));
         return 0;
     }
 
diff --git a/src/main/java/emu/grasscutter/server/packet/send/PacketServerGlobalValueChangeNotify.java b/src/main/java/emu/grasscutter/server/packet/send/PacketServerGlobalValueChangeNotify.java
new file mode 100644
index 000000000..b4b604cb9
--- /dev/null
+++ b/src/main/java/emu/grasscutter/server/packet/send/PacketServerGlobalValueChangeNotify.java
@@ -0,0 +1,17 @@
+package emu.grasscutter.server.packet.send;
+
+import emu.grasscutter.game.entity.GameEntity;
+import emu.grasscutter.net.packet.BasePacket;
+import emu.grasscutter.net.packet.PacketOpcodes;
+import emu.grasscutter.net.proto.ServerGlobalValueChangeNotifyOuterClass.ServerGlobalValueChangeNotify;
+import emu.grasscutter.utils.Utils;
+
+public final class PacketServerGlobalValueChangeNotify extends BasePacket {
+    public PacketServerGlobalValueChangeNotify(GameEntity entity, String abilityHash, int value) {
+        super(PacketOpcodes.ServerGlobalValueChangeNotify);
+
+        this.setData(ServerGlobalValueChangeNotify.newBuilder()
+            .setEntityId(entity.getId()).setValue(value)
+            .setKeyHash(Utils.abilityHash(abilityHash)));
+    }
+}