Add support on the Rust side for resetting the command identifier.

-sender was also renamed to command_sender in case we'd like to reserve the word "sender" in the future.

resources/scripts/Global.lua

@@ -26,17 +26,15 @@ end
 
 function printf(player, fmt_str, ...)
     -- Sender would be defined elsewhere, if at all
-    if sender == nil then
+    if command_sender == nil then
-        sender = ""
+        command_sender = ""
     end
 
     if ... ~= nil then
-        player:send_message(sender..fmt_str:format(...))
+        player:send_message(command_sender..fmt_str:format(...))
     else
-        player:send_message(sender..fmt_str)
+        player:send_message(command_sender..fmt_str)
     end
-
-    sender = nil -- Reset the sender, it's not required to have for printf to work, and not all users of printf will be commands, most likely.
 end
 
 -- Constants

resources/scripts/commands/debug/ChangeTerritory.lua

@@ -1,5 +1,5 @@
 required_rank = GM_RANK_DEBUG
-sender = "[teri] "
+command_sender = "[teri] "
 
 function onCommand(args, player)
     local parts = split(args)

resources/scripts/commands/debug/Festival.lua

@@ -1,7 +1,7 @@
 -- A list of festival ids can be found in Hyperborea's source tree:
 -- https://github.com/kawaii/Hyperborea/blob/main/Hyperborea/festivals.yaml
 required_rank = GM_RANK_DEBUG
-sender = "[festival] "
+command_sender = "[festival] "
 
 function onCommand(args, player)
     local parts = split(args)

resources/scripts/commands/debug/Nudge.lua

@@ -1,7 +1,7 @@
 -- Ported from Ioncannon's Project Meteor Server 
 -- https://bitbucket.org/Ioncannon/project-meteor-server/src/develop/Data/scripts/commands/gm/nudge.lua
 required_rank = GM_RANK_DEBUG
-sender = "[nudge] "
+command_sender = "[nudge] "
 
 function onCommand(args, player)
     local parts = split(args)
@@ -70,5 +70,6 @@ function onCommand(args, player)
     end
 
     player:set_position(new_position, player.rotation)
+
     printf(player, "Positioning %s %s yalms.", direction_str, distance)
 end

resources/scripts/commands/debug/SetSpeed.lua

@@ -1,5 +1,5 @@
 required_rank = GM_RANK_DEBUG
-sender = "[setspeed] "
+command_sender = "[setspeed] "
 
 function onCommand(args, player)
     local parts = split(args)

resources/scripts/commands/debug/ToggleInvisibility.lua

@@ -1,5 +1,5 @@
 required_rank = GM_RANK_DEBUG
-sender = "[invis] "
+command_sender = "[invis] "
 
 function onCommand(args, player)
     local usage = "\nThis command makes the user invisible to all other actors."

resources/scripts/commands/debug/ToggleWireframe.lua

@@ -1,5 +1,5 @@
 required_rank = GM_RANK_DEBUG
-sender = "[wireframe] "
+command_sender = "[wireframe] "
 
 function onCommand(args, player)
     local usage = "\nThis command allows the user to view the world in wireframe mode."

resources/scripts/commands/debug/Unlock.lua

@@ -1,5 +1,5 @@
 required_rank = GM_RANK_DEBUG
-sender = "[unlockaction] "
+command_sender = "[unlockaction] "
 
 function onCommand(args, player)
     local parts = split(args)

resources/scripts/commands/debug/UnlockAetheryte.lua

@@ -1,5 +1,5 @@
 required_rank = GM_RANK_DEBUG
-sender = "[unlockaetheryte] "
+command_sender = "[unlockaetheryte] "
 
 function onCommand(args, player)
     local parts = split(args)

src/bin/kawari-world.rs

@@ -555,6 +555,16 @@ async fn client_loop(
                                                                         let func: Function =
                                                                             lua.globals().get("onCommand")?;
                                                                         func.call::<()>((func_args, connection_data))?;
+
+                                                                        /* `command_sender` is an optional variable scripts can define to identify themselves in print messages.
+                                                                         * It's okay if this global isn't set. We also don't care what its value is, just that it exists.
+                                                                         * This is reset -after- running the command intentionally. Resetting beforehand will never display the command's identifier.
+                                                                         */
+                                                                        let command_sender: Result<mlua::prelude::LuaValue, mlua::prelude::LuaError> = lua.globals().get("command_sender");
+                                                                        if let Ok(_) = command_sender {
+                                                                            // tracing::info!("Resetting command_sender for next script run.");
+                                                                            lua.globals().set("command_sender", mlua::Value::Nil)?;
+                                                                        }
                                                                         Ok(())
                                                                     } else {
                                                                         tracing::info!("User with account_id {} tried to invoke GM command {} with insufficient privileges!",