Mirror: fix admin verb to set unspawned ballisic ammo count (#375)

## Mirror of PR #26411: [fix admin verb to set unspawned ballisic ammo
count](space-wizards/space-station-14#26411)
from <img src="https://avatars.githubusercontent.com/u/10567778?v=4"
alt="space-wizards" width="22"/>
[space-wizards](https://github.com/space-wizards)/[space-station-14](https://github.com/space-wizards/space-station-14)

###### `451890b85b49e17a0019d107db4a31a48cdd3518`

PR opened by <img
src="https://avatars.githubusercontent.com/u/107586145?v=4"
width="16"/><a href="https://github.com/IProduceWidgets">
IProduceWidgets</a> at 2024-03-24 21:06:57 UTC

---

PR changed 2 files with 15 additions and 3 deletions.

The PR had the following labels:
- Status: Needs Review


---

<details open="true"><summary><h1>Original Body</h1></summary>

> <!-- Please read these guidelines before opening your PR:
https://docs.spacestation14.io/en/getting-started/pr-guideline -->
> <!-- The text between the arrows are comments - they will not be
visible on your PR. -->
> 
> ## About the PR
> <!-- What did you change in this PR? -->
> Fixed #26362 
> 
> ## Why / Balance
> <!-- Why was it changed? Link any discussions or issues here. Please
discuss how this would affect game balance. -->
> 
> ## Technical details
> <!-- If this is a code change, summarize at high level how your new
code works. This makes it easier to review. -->
> I made the UpdateBallisticAppearance function public, I can't think of
any reason that's a bad idea.
> 
> ## Media
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> 
> ## Breaking changes
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> - add: Added fun!
> - remove: Removed fun!
> - tweak: Changed fun!
> - fix: Fixed fun!
> -->
> :ADMIN:
> - fix: setting ballistic ammo counts for a magazine should no longer
be able to crash your game.


</details>

Co-authored-by: SimpleStation14 <Unknown>

Content.Server/Administration/Systems/AdminVerbSystem.Tools.cs

@@ -718,9 +718,21 @@ private void AddTricksVerbs(GetVerbsEvent<Verb> args)
                 Icon = new SpriteSpecifier.Rsi(new("/Textures/Objects/Fun/caps.rsi"), "mag-6"),
                 Act = () =>
                 {
-                    _quickDialog.OpenDialog(player, "Set Bullet Amount", $"Amount (max {ballisticAmmo.Capacity}):", (int amount) =>
+                    _quickDialog.OpenDialog(player, "Set Bullet Amount", $"Amount (standard {ballisticAmmo.Capacity}):", (string amount) =>
                     {
-                        ballisticAmmo.UnspawnedCount = amount;
+                        if (!int.TryParse(amount, out var result))
+                            return;
+
+                        if (result > 0)
+                        {
+                            ballisticAmmo.UnspawnedCount = result;
+                        }
+                        else
+                        {
+                            ballisticAmmo.UnspawnedCount = 0;
+                        }
+
+                        _gun.UpdateBallisticAppearance(args.Target, ballisticAmmo);
                     });
                 },
                 Impact = LogImpact.Medium,

Content.Shared/Weapons/Ranged/Systems/SharedGunSystem.Ballistic.cs

@@ -261,7 +261,7 @@ private void OnBallisticAmmoCount(EntityUid uid, BallisticAmmoProviderComponent
         args.Capacity = component.Capacity;
     }
 
-    private void UpdateBallisticAppearance(EntityUid uid, BallisticAmmoProviderComponent component)
+    public void UpdateBallisticAppearance(EntityUid uid, BallisticAmmoProviderComponent component)
     {
         if (!Timing.IsFirstTimePredicted || !TryComp<AppearanceComponent>(uid, out var appearance))
             return;