*actual* final pass at unifying on object event

data/maps/FiveIsland_MemorialPillar/map.json

@@ -20,7 +20,7 @@
   ],
   "object_events": [
     {
-      "graphics_id": "MAP_OBJ_GFX_MAN",
+      "graphics_id": "OBJECT_EVENT_GFX_MAN",
       "x": 8,
       "y": 44,
       "elevation": 4,
@@ -33,7 +33,7 @@
       "flag": "0"
     },
     {
-      "graphics_id": "MAP_OBJ_GFX_ROCKER",
+      "graphics_id": "OBJECT_EVENT_GFX_ROCKER",
       "x": 12,
       "y": 6,
       "elevation": 3,
@@ -46,7 +46,7 @@
       "flag": "0"
     },
     {
-      "graphics_id": "MAP_OBJ_GFX_ROCKER",
+      "graphics_id": "OBJECT_EVENT_GFX_ROCKER",
       "x": 14,
       "y": 17,
       "elevation": 3,
@@ -59,7 +59,7 @@
       "flag": "0"
     },
     {
-      "graphics_id": "MAP_OBJ_GFX_ROCKER",
+      "graphics_id": "OBJECT_EVENT_GFX_ROCKER",
       "x": 17,
       "y": 31,
       "elevation": 3,
@@ -72,7 +72,7 @@
       "flag": "0"
     },
     {
-      "graphics_id": "MAP_OBJ_GFX_ITEM_BALL",
+      "graphics_id": "OBJECT_EVENT_GFX_ITEM_BALL",
       "x": 4,
       "y": 47,
       "elevation": 3,