in-game chemical book (#17213)

Content.Client/Guidebook/GuidebookSystem.cs

@@ -11,6 +11,7 @@ using Robust.Client.GameObjects;
 using Robust.Client.Player;
 using Robust.Shared.Map;
 using Robust.Shared.Player;
+using Robust.Shared.Timing;
 using Robust.Shared.Utility;
 
 namespace Content.Client.Guidebook;
@@ -20,6 +21,7 @@ namespace Content.Client.Guidebook;
 /// </summary>
 public sealed class GuidebookSystem : EntitySystem
 {
+    [Dependency] private readonly IGameTiming _timing = default!;
     [Dependency] private readonly IPlayerManager _playerManager = default!;
     [Dependency] private readonly SharedAudioSystem _audioSystem = default!;
     [Dependency] private readonly VerbSystem _verbSystem = default!;
@@ -78,6 +80,9 @@ public sealed class GuidebookSystem : EntitySystem
 
     private void OnInteract(EntityUid uid, GuideHelpComponent component, ActivateInWorldEvent args)
     {
+        if (!_timing.IsFirstTimePredicted)
+            return;
+
         if (!component.OpenOnActivation || component.Guides.Count == 0 || _tags.HasTag(uid, GuideEmbedTag))
             return;
 

Resources/Prototypes/Catalog/Fills/Books/bookshelf.yml

@@ -9,6 +9,8 @@
         prob: 0.4
         amount: 1
         maxAmount: 4
+      - id: BookChemicalCompendium
+        prob: 0.2
       - id: BookNarsieLegend
         prob: 0.1
       - id: BookTruth

Resources/Prototypes/Entities/Objects/Misc/books.yml

@@ -27,6 +27,21 @@
     backgroundPatchMargin: 23.0, 16.0, 14.0, 15.0
     contentMargin: 20.0, 20.0, 20.0, 20.0
 
+- type: entity
+  id: BookChemicalCompendium
+  parent: BaseItem
+  name: chemical compendium
+  description: A comprehensive guide written by some old skeleton of a professor about chemical synthesis.
+  components:
+  - type: Sprite
+    sprite: Objects/Misc/books.rsi
+    layers:
+    - state: book_chemistry
+  - type: GuideHelp
+    openOnActivation: true
+    guides:
+    - Chemicals
+
 - type: entity
   parent: BookBase
   id: BookRandom