import from github

data/maps/ShoalCave_LowTideStairsRoom/map.json

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+{
+  "id": "MAP_SHOAL_CAVE_LOW_TIDE_STAIRS_ROOM",
+  "name": "ShoalCave_LowTideStairsRoom",
+  "layout": "LAYOUT_SHOAL_CAVE_LOW_TIDE_STAIRS_ROOM",
+  "music": "MUS_MT_PYRE",
+  "region_map_section": "MAPSEC_SHOAL_CAVE",
+  "requires_flash": false,
+  "weather": "WEATHER_NONE",
+  "map_type": "MAP_TYPE_UNDERGROUND",
+  "allow_cycling": true,
+  "allow_escaping": true,
+  "allow_running": true,
+  "show_map_name": true,
+  "battle_scene": "MAP_BATTLE_SCENE_NORMAL",
+  "connections": null,
+  "object_events": [
+    {
+      "graphics_id": "OBJ_EVENT_GFX_ITEM_BALL",
+      "x": 13,
+      "y": 12,
+      "elevation": 3,
+      "movement_type": "MOVEMENT_TYPE_LOOK_AROUND",
+      "movement_range_x": 1,
+      "movement_range_y": 1,
+      "trainer_type": "TRAINER_TYPE_NONE",
+      "trainer_sight_or_berry_tree_id": "0",
+      "script": "ShoalCave_LowTideStairsRoom_EventScript_ItemIceHeal",
+      "flag": "FLAG_ITEM_SHOAL_CAVE_STAIRS_ROOM_ICE_HEAL"
+    }
+  ],
+  "warp_events": [
+    {
+      "x": 3,
+      "y": 12,
+      "elevation": 3,
+      "dest_map": "MAP_SHOAL_CAVE_LOW_TIDE_INNER_ROOM",
+      "dest_warp_id": 1
+    },
+    {
+      "x": 7,
+      "y": 4,
+      "elevation": 3,
+      "dest_map": "MAP_SHOAL_CAVE_LOW_TIDE_INNER_ROOM",
+      "dest_warp_id": 2
+    }
+  ],
+  "coord_events": [],
+  "bg_events": [
+    {
+      "type": "sign",
+      "x": 11,
+      "y": 11,
+      "elevation": 3,
+      "player_facing_dir": "BG_EVENT_PLAYER_FACING_ANY",
+      "script": "ShoalCave_LowTideStairsRoom_EventScript_ShoalSalt3"
+    }
+  ]
+}

data/maps/ShoalCave_LowTideStairsRoom/scripts.inc

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+ShoalCave_LowTideStairsRoom_MapScripts::
+	map_script MAP_SCRIPT_ON_LOAD, ShoalCave_LowTideStairsRoom_OnLoad
+	.byte 0
+
+ShoalCave_LowTideStairsRoom_OnLoad:
+	call ShoalCave_LowTideStairsRoom_EventScript_SetShoalItemMetatiles
+	end
+
+ShoalCave_LowTideStairsRoom_EventScript_SetShoalItemMetatiles::
+	goto_if_set FLAG_RECEIVED_SHOAL_SALT_3, ShoalCave_LowTideStairsRoom_EventScript_SetShoalItemMetatilesEnd
+	setmetatile 11, 11, METATILE_Cave_ShoalCave_DirtPile_Large, TRUE
+	return
+
+ShoalCave_LowTideStairsRoom_EventScript_SetShoalItemMetatilesEnd::
+	return
+
+ShoalCave_LowTideStairsRoom_EventScript_ShoalSalt3::
+	lockall
+	goto_if_set FLAG_RECEIVED_SHOAL_SALT_3, ShoalCave_LowTideStairsRoom_EventScript_ReceivedShoalSalt
+	giveitem ITEM_SHOAL_SALT
+	goto_if_eq VAR_RESULT, FALSE, Common_EventScript_ShowBagIsFull
+	setmetatile 11, 11, METATILE_Cave_ShoalCave_DirtPile_Small, FALSE
+	special DrawWholeMapView
+	setflag FLAG_RECEIVED_SHOAL_SALT_3
+	releaseall
+	end
+
+ShoalCave_LowTideStairsRoom_EventScript_ReceivedShoalSalt::
+	msgbox ShoalCave_Text_WasShoalSaltNowNothing, MSGBOX_DEFAULT
+	releaseall
+	end
+