Standardize EVENT_OBJECT to OBJECT_EVENT

data/maps/SouthernIsland_Exterior/map.json

@@ -15,7 +15,7 @@
   "connections": null,
   "object_events": [
     {
-      "graphics_id": "EVENT_OBJ_GFX_SAILOR",
+      "graphics_id": "OBJ_EVENT_GFX_SAILOR",
       "x": 13,
       "y": 23,
       "elevation": 3,
@@ -28,7 +28,7 @@
       "flag": "0"
     },
     {
-      "graphics_id": "EVENT_OBJ_GFX_SS_TIDAL",
+      "graphics_id": "OBJ_EVENT_GFX_SS_TIDAL",
       "x": 13,
       "y": 25,
       "elevation": 1,

data/maps/SouthernIsland_Exterior/scripts.inc

@@ -31,12 +31,12 @@ SouthernIsland_Exterior_EventScript_AsYouLike:: @ 8242A17
 	end
 
 Ferry_EventScript_DepartIslandSouth:: @ 8242A21
-	applymovement EVENT_OBJ_ID_PLAYER, Ferry_EventScript_DepartIslandBoardSouth
+	applymovement OBJ_EVENT_ID_PLAYER, Ferry_EventScript_DepartIslandBoardSouth
 	waitmovement 0
 	return
 
 Ferry_EventScript_DepartIslandWest:: @ 8242A2C
-	applymovement EVENT_OBJ_ID_PLAYER, Ferry_EventScript_DepartIslandBoardWest
+	applymovement OBJ_EVENT_ID_PLAYER, Ferry_EventScript_DepartIslandBoardWest
 	waitmovement 0
 	return