Added an animated ghost sprite. (#856)

Resources/Prototypes/Entities/Mobs/observer.yml

@@ -19,7 +19,9 @@
   - type: Sprite
     netsync: false
     drawdepth: Mobs
-    texture: Mob/observer.png
+    sprite: Mob/ghost.rsi
+    state: animated
+    color: "#fff8"
 
   - type: MovementSpeedModifier
     baseSprintSpeed: 14

Resources/Textures/Mob/ghost.rsi/meta.json

@@ -0,0 +1,36 @@
+{
+    "version": 1,
+    "size": {
+        "x": 32,
+        "y": 32
+    },
+    "copyright": "Animated by Swept (You could probably tell)",
+    "states": [
+        {
+            "name": "animated",
+            "directions": 1,
+            "delays": [[
+                0.2,
+                0.2,
+                0.2,
+                0.1,
+                0.1,
+                0.1,
+                0.1,
+                0.1,
+                0.1,
+                0.2,
+                0.2,
+                0.2
+            ]]
+        },
+        {
+            "name": "icon",
+            "directions": 1,
+            "delays": [[
+                1.0,
+            ]]
+        }
+
+    ]
+}