3/4 tile decal overlays (#7335)

Resources/Prototypes/Decals/Overlays/grayscale.yml

@@ -61,6 +61,34 @@
     sprite: Decals/Overlays/greyscale.rsi
     state: quartertile_overlay_270
 
+- type: decal
+  id: ThreeQuarterTileOverlayGreyscale
+  tags: ["station", "overlay"]
+  sprite:
+    sprite: Decals/Overlays/greyscale.rsi
+    state: threequartertile_overlay
+
+- type: decal
+  id: ThreeQuarterTileOverlayGreyscale90
+  tags: ["station", "overlay"]
+  sprite:
+    sprite: Decals/Overlays/greyscale.rsi
+    state: threequartertile_overlay_90
+
+- type: decal
+  id: ThreeQuarterTileOverlayGreyscale180
+  tags: ["station", "overlay"]
+  sprite:
+    sprite: Decals/Overlays/greyscale.rsi
+    state: threequartertile_overlay_180
+
+- type: decal
+  id: ThreeQuarterTileOverlayGreyscale270
+  tags: ["station", "overlay"]
+  sprite:
+    sprite: Decals/Overlays/greyscale.rsi
+    state: threequartertile_overlay_270
+
 - type: decal
   id: CheckerNESW
   tags: ["station", "overlay"]

Resources/Textures/Decals/Overlays/greyscale.rsi/meta.json

@@ -34,6 +34,18 @@
     {
       "name": "quartertile_overlay_270"
     },
+    {
+      "name": "threequartertile_overlay"
+    },
+    {
+      "name": "threequartertile_overlay_90"
+    },
+    {
+      "name": "threequartertile_overlay_180"
+    },
+    {
+      "name": "threequartertile_overlay_270"
+    },
     {
       "name": "checkerNESW"
     },