[
  {
    "type": "ter_furn_transform",
    "id": "move_earth",
    "fail_message": "The earth here does not listen to your command to move.",
    "terrain": [
      { "result": "t_hole", "valid_terrain": [ "t_pit", "t_slope_down" ], "message": "The pit has deepened further." },
      {
        "result": "t_pit",
        "valid_terrain": [
          "t_pit_corpsed",
          "t_pit_covered",
          "t_pit_glass",
          "t_pit_glass_covered",
          "t_pit_spiked",
          "t_pit_spiked_covered",
          "t_rootcellar",
          "t_pit_shallow"
        ],
        "message": "More debris shifts out of the pit."
      },
      {
        "result": "t_pit_shallow",
        "valid_terrain": [
          "t_grave",
          "t_dirt",
          "t_sand",
          "t_clay",
          "t_dirtmound",
          "t_grass",
          "t_grass_long",
          "t_grass_tall",
          "t_grass_dead",
          "t_grass_white",
          "t_dirtfloor",
          "t_fungus_floor_in",
          "t_fungus_floor_sup",
          "t_fungus_floor_out",
          "t_sandbox"
        ],
        "message": "The earth moves out of the way for you."
      },
      {
        "result": "t_sand",
        "valid_terrain": [
          "t_pavement",
          "t_pavement_y",
          "t_sidewalk",
          "t_concrete",
          "t_thconc_floor",
          "t_thconc_floor_olight",
          "t_strconc_floor",
          "t_floor",
          "t_floor_waxed",
          "t_carpet_red",
          "t_carpet_yellow",
          "t_carpet_purple",
          "t_carpet_green",
          "t_linoleum_white",
          "t_linoleum_gray",
          "t_slope_up",
          "t_rock_red",
          "t_rock_blue",
          "t_floor_red",
          "t_floor_green",
          "t_floor_blue",
          "t_pavement_bg_dp",
          "t_pavement_y_bg_dp",
          "t_sidewalk_bg_dp"
        ],
        "message": "The rocks here are ground into sand."
      },
      { "result": "t_rock_floor", "valid_terrain": [ "t_rock" ], "message": "The rock crumbles to dust." },
      {
        "result": "t_hole",
        "valid_terrain": [ "t_null" ],
        "message": "All the dust in the air here falls to the ground.",
        "message_good": false
      }
    ]
  },
  {
    "type": "ter_furn_transform",
    "id": "fungicide",
    "terrain": [ { "result": "t_dirt_barren", "valid_flags": [ "FUNGUS" ], "message": "The fungus here dies back." } ],
    "furniture": [ { "result": "f_null", "valid_flags": [ "FUNGUS" ], "message": "The fungus here dies back." } ]
  },
  {
    "type": "ter_furn_transform",
    "id": "lava_bomb",
    "terrain": [ { "result": "t_lava", "valid_flags": [ "DIGGABLE" ] } ]
  },
  {
    "type": "ter_furn_transform",
    "id": "earthshaper_pillar",
    "//": "Furniture alteration has to be able to reasonably check for most intervening furniture and remove it.",
    "terrain": [
      {
        "result": "t_rock_smooth",
        "valid_flags": [ "DIGGABLE", "FLAT" ],
        "message": "The ground shakes, a section of unnaturally smooth stone wall rising up."
      }
    ],
    "furniture": [ { "result": "f_null", "valid_flags": [ "TRANSPARENT", "WALL" ] } ]
  },
  {
    "type": "ter_furn_transform",
    "id": "druidic_renewal",
    "//": "TODO: Update the birch and willow transformations if they ever make those trees behave consistent relative to blackjack oak and pine.",
    "terrain": [
      {
        "result": [ [ "t_tree_blackjack_harvested", 10 ], [ "t_tree_harvested", 90 ] ],
        "valid_terrain": [ "t_tree_dead" ],
        "message": "The dead tree regrows."
      },
      {
        "result": "t_tree_pine_harvested",
        "valid_terrain": [ "t_tree_deadpine" ],
        "message": "The dead tree regrows."
      },
      {
        "result": "t_tree_hickory_harvested",
        "valid_terrain": [ "t_tree_hickory_dead" ],
        "message": "The dead tree regrows."
      },
      { "result": "t_tree_birch", "valid_terrain": [ "t_tree_birch_harvested" ], "message": "The dead tree regrows." },
      {
        "result": "t_tree_willow",
        "valid_terrain": [ "t_tree_willow_harvested" ],
        "message": "The dead tree regrows."
      },
      {
        "result": "t_grass",
        "valid_terrain": [ "t_grass_dead" ],
        "message": "Life springs anew from the dead grass."
      }
    ]
  }
]