From 6ccdbae7b9a7d417c428122e8f2bbbdeae9e86c6 Mon Sep 17 00:00:00 2001
From: Jesusaves <cpntb1@ymail.com>
Date: Wed, 26 Feb 2020 03:11:34 -0300
Subject: New utility function: instanceowner. Will return the ID of the
 instance owner. "0" means global instance or invalid. Party and Guilds share
 IDs, so be careful when not using account IDs for this.

---
 src/emap/init.c            |  1 +
 src/emap/script_buildins.c | 18 ++++++++++++++++++
 src/emap/script_buildins.h |  1 +
 3 files changed, 20 insertions(+)

diff --git a/src/emap/init.c b/src/emap/init.c
index 5c5bf27..d351985 100644
--- a/src/emap/init.c
+++ b/src/emap/init.c
@@ -233,6 +233,7 @@ HPExport void plugin_init (void)
     addScriptCommand("homstatus","",homstatus);
     addScriptCommand("readparam2","i?",readparam2);
     addScriptCommand("npcshopattach","s?",npcshopattach);
+    addScriptCommand("instanceowner", "i", InstanceOwner);
 
     // Overrides
     addScriptCommand("debugmes","v*",debugmes);
diff --git a/src/emap/script_buildins.c b/src/emap/script_buildins.c
index 65ac653..f0b06a5 100644
--- a/src/emap/script_buildins.c
+++ b/src/emap/script_buildins.c
@@ -2984,3 +2984,21 @@ BUILDIN(countitem)
 }
 
 
+// Returns the Acc. ID of the owner of an instance
+BUILDIN(InstanceOwner)
+{
+    const int instance_id = script_getnum(st, 2);
+
+    // Do instance exists?
+    if (!instance->valid(instance_id)) {
+        script_pushint(st, false);
+        return true;
+    }
+
+    // Note: This does not returns type!
+    // using this against party/guilds instances not advised.
+    // returns 0 if either instance doesn't exists or is global
+    script_pushint(st, (int)instance->list[instance_id].owner_id);
+    return true;
+}
+
diff --git a/src/emap/script_buildins.h b/src/emap/script_buildins.h
index 53907bd..2343b12 100644
--- a/src/emap/script_buildins.h
+++ b/src/emap/script_buildins.h
@@ -118,6 +118,7 @@ BUILDIN(deployhomunculus);
 BUILDIN(recallhomunculus);
 BUILDIN(homstatus);
 BUILDIN(readparam2);
+BUILDIN(InstanceOwner);
 
 // Overrides
 BUILDIN(countitem);
-- 
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