Makes PlaceableSurface ECS

2021-08-20 10:21:39 +02:00
parent 3610abecbd
commit fd8872cc4e
9 changed files with 207 additions and 297 deletions
--- a/Content.Shared/Placeable/PlaceableSurfaceSystem.cs
+++ b/Content.Shared/Placeable/PlaceableSurfaceSystem.cs
@@ -0,0 +1,69 @@
+using Content.Shared.Hands.Components;
+using Content.Shared.Interaction;
+using Robust.Shared.GameObjects;
+using Robust.Shared.GameStates;
+using Robust.Shared.Maths;
+
+namespace Content.Shared.Placeable
+{
+    public class PlaceableSurfaceSystem : EntitySystem
+    {
+        public override void Initialize()
+        {
+            base.Initialize();
+
+            SubscribeLocalEvent<PlaceableSurfaceComponent, InteractUsingEvent>(OnInteractUsing);
+            SubscribeLocalEvent<PlaceableSurfaceComponent, ComponentHandleState>(OnHandleState);
+        }
+
+        public void SetPlaceable(PlaceableSurfaceComponent surface, bool isPlaceable)
+        {
+            surface.IsPlaceable = isPlaceable;
+            surface.Dirty();
+        }
+
+        public void SetPlaceCentered(PlaceableSurfaceComponent surface, bool placeCentered)
+        {
+            surface.PlaceCentered = placeCentered;
+            surface.Dirty();
+        }
+
+        public void SetPositionOffset(PlaceableSurfaceComponent surface, Vector2 offset)
+        {
+            surface.PositionOffset = offset;
+            surface.Dirty();
+        }
+
+        private void OnInteractUsing(EntityUid uid, PlaceableSurfaceComponent surface, InteractUsingEvent args)
+        {
+            if (args.Handled)
+                return;
+
+            if (!surface.IsPlaceable)
+                return;
+
+            if(!args.User.TryGetComponent<SharedHandsComponent>(out var handComponent))
+                return;
+
+            if(!handComponent.TryDropEntity(args.Used, surface.Owner.Transform.Coordinates))
+                return;
+
+            if (surface.PlaceCentered)
+                args.Used.Transform.LocalPosition = args.Target.Transform.LocalPosition + surface.PositionOffset;
+            else
+                args.Used.Transform.Coordinates = args.ClickLocation;
+
+            args.Handled = true;
+        }
+
+        private void OnHandleState(EntityUid uid, PlaceableSurfaceComponent component, ComponentHandleState args)
+        {
+            if (args.Current is not PlaceableSurfaceComponentState state)
+                return;
+
+            component.IsPlaceable = state.IsPlaceable;
+            component.PlaceCentered = state.PlaceCentered;
+            component.PositionOffset = state.PositionOffset;
+        }
+    }
+}