Timed mouse spawners (#7831)

Resources/Prototypes/Entities/Markers/Spawners/Conditional/timed.yml

@@ -34,3 +34,28 @@
       intervalSeconds: 30
       minimumEntitiesSpawned: 2
       maximumEntitiesSpawned: 4
+
+- type: entity
+  name: Mouse Timed Spawner
+  id: MouseTimedSpawner
+  parent: MarkerBase
+  components:
+    - type: Sprite
+      layers:
+        - state: blue
+        - texture: Mobs/Animals/mouse.rsi/icon-2.png
+        - state: timed
+    - type: TimedSpawner
+      prototypes:
+        - MobMouse
+        - MobMouse1
+        - MobMouse2
+      # round ~90m
+      # one spawner should only spawn ~5 mice for sanity reasons
+      # therefore 18m
+      # use 50% chance for randomness and balance with halved interval
+      chance: 0.5
+      intervalSeconds: 540
+      minimumEntitiesSpawned: 1
+      maximumEntitiesSpawned: 1
+

Resources/Textures/Markers/cross.rsi/meta.json

@@ -1,7 +1,7 @@
 {
   "version": 1,
   "license": "CC-BY-SA-3.0",
-  "copyright": "Taken from https://github.com/vgstation-coders/vgstation13/blob/e71d6c4fba5a51f99b81c295dcaec4fc2f58fb19/icons/mob/screen1.dmi",
+  "copyright": "Taken from https://github.com/vgstation-coders/vgstation13/blob/e71d6c4fba5a51f99b81c295dcaec4fc2f58fb19/icons/mob/screen1.dmi - modified to add 'timed'",
   "size": {
     "x": 32,
     "y": 32
@@ -21,6 +21,9 @@
     },
     {
       "name": "red"
+    },
+    {
+      "name": "timed"
     }
   ]
 }