feat: additional ambulance lights improvement.

data/json/external_tileset/External_Tileset_DP_Normal.json

@@ -265,7 +265,8 @@
             "multitile": true,
             "additional_tiles": [ { "id": "broken", "fg": 185 } ]
           },
-          { "id": "f_rain_collector_plumbed", "fg": 186 }
+          { "id": "f_rain_collector_plumbed", "fg": 186 },
+          { "id": "vp_light_white", "fg": 187 }
         ],
         "sprite_width": 32,
         "sprite_height": 32

data/json/items/vehicle/lights.json

@@ -82,6 +82,14 @@
     "color": "blue",
     "copy-from": "light_emergency_red"
   },
+  {
+    "type": "GENERIC",
+    "id": "light_emergency_white",
+    "name": { "str": "emergency vehicle light (white)", "str_pl": "emergency vehicle lights (white)" },
+    "description": "One of the white-colored lights from the top of an emergency services vehicle.  When turned on, the lights rotate to shine in all directions.",
+    "color": "white",
+    "copy-from": "light_emergency_red"
+  },
   {
     "type": "GENERIC",
     "id": "floodlight",

data/json/vehicleparts/lights.json

@@ -196,7 +196,7 @@
     "symbol": "*",
     "broken_symbol": "-",
     "durability": 20,
-    "description": "Emergency lights, like a police car's or ambulance's, mounted on the vehicle's roof.  Flashes between red and blue when turned on, attracting attention without illuminating the area.",
+    "description": "Emergency lights, like a police car's or ambulance's, mounted on the vehicle's roof.  Flashes between red and blue or red and white when turned on, attracting attention without illuminating the area.",
     "//": "essentially a pair of overpowered RGB LED flashlights",
     "epower": -10,
     "bonus": 500,
@@ -241,6 +241,16 @@
     "broken_color": "red",
     "extend": { "flags": [ "ODDTURN" ] }
   },
+  {
+    "id": "light_white",
+    "copy-from": "light_emergency",
+    "type": "vehicle_part",
+    "name": { "str": "white light" },
+    "item": "light_emergency_white",
+    "color": "white",
+    "broken_color": "white",
+    "extend": { "flags": [ "EVENTURN" ] }
+  },
   {
     "id": "lit_aisle_horizontal",
     "type": "vehicle_part",