[{
        "type": "mapgen",
        "method": "json",
        "om_terrain": "vampirus",
        "weight": 2000,
        "object": {
            "fill_ter": "t_grass",
            "rows": [
                "                        ",
                "                        ",
                "           .            ",
                "          ''...         ",
                "           !'....       ",
                "           !!!'...      ",
                "          !!**!'..      ",
                "          !''''..       ",
                "          '......       ",
                "         '.....         ",
                "         '  .           ",
                "                        ",
                "                        ",
                "                        ",
                "                        ",
                "                        ",
                "                        ",
                "                        ",
                "                        ",
                "                        ",
                "                        ",
                "                        ",
                "                        ",
                "                        "
            ],
            "terrain": {
                "!": "t_rock_floor",
                ".": "t_rock",
                "*": "t_vamp_seal",
                "'": ["t_rock", "t_rock_floor", "t_rock_floor"],
                " ": [
                    "t_grass",
                    "t_grass",
                    "t_grass",
                    "t_grass",
                    "t_grass",
                    "t_grass",
                    "t_dirt",
                    "t_dirt",
                    "t_grass",
                    "t_grass",
                    "t_grass",
                    "t_grass",
                    "t_grass",
                    "t_grass",
                    "t_dirt",
                    "t_dirt",
                    "t_grass",
                    "t_grass",
                    "t_grass",
                    "t_grass",
                    "t_grass",
                    "t_grass",
                    "t_dirt",
                    "t_dirt",
                    "t_grass",
                    "t_grass",
                    "t_grass",
                    "t_grass",
                    "t_grass",
                    "t_grass",
                    "t_dirt",
                    "t_dirt",
                    "t_underbrush",
                    "t_shrub"
                ]
            }
        }
    }, {
        "type": "mapgen",
        "method": "json",
        "om_terrain": "vampirus_prison_up",
        "weight": 2000,
        "object": {
            "fill_ter": "t_rock_floor",
            "rows": [
                "                        ",
                "           ,,           ",
                "          ,,,,          ",
                "         ,,**,,         ",
                "          ,,,,          ",
                "     ,-,,  ,,  ,,-,     ",
                "     ,-,,+,,,,+,,-,     ",
                "     ,_,,+,,,,+,,_,     ",
                "     ,-,,  ,,  ,,-,     ",
                "          ,,,,          ",
                " =,-,,   ,,,,,,   ,,-,, ",
                " ,,-,,,+,,,  ,,,+,,,-,, ",
                " -_-,,,+,,,  ,,,+,,,-_- ",
                " ,,,,,   ,,,,,,   ,,,,, ",
                "          ,,,,          ",
                "     ,-,,  ,,  ,,-,     ",
                "     ,_,,+,,,,+,,_,     ",
                "     ,-,,+,,,,+,,-,     ",
                "     ,-,,  ,,  ,,-,     ",
                "           ,,           ",
                "           ,,           ",
                "          ,,,,          ",
                "          ,,,,          ",
                "          +  +          "
            ],
            "terrain": {
                ",": "t_rock_floor",
                " ": "t_rock",
                "*": "t_slope_up",
                "+": ["t_door_c", "t_door_c", "t_door_o"]
            },
            "place_monsters": [{
                    "monster": "GROUP_VAMPIRUS_LABY",
                    "density": 0.625,
                    "x": [
                        1,
                        23
                    ],
                    "y": [
                        1,
                        23
                    ]
                }
            ],
            "npcs": {
                "=": {
                    "class": "HUMAN_VAΜPRISON"
                }
            }
        }
    }, {
        "type": "mapgen",
        "update_mapgen_id": "vampirus_attracted",
        "method": "json",
        "object": {
            "place_monsters": [{
                    "monster": "GROUP_ZOMBIE",
                    "density": 1.1,
                    "x": [
                        8, 16
                    ],
                    "y": [
                        8, 16
                    ]
                }
            ]
        }
    }, {
        "type": "mapgen",
        "method": "json",
        "update_mapgen_id": "vampirus_unsealing",
        "object": {
            "place_nested": [{
                    "chunks": ["vampirus_unsealing"],
                    "x": 0,
                    "y": 0
                }
            ]
        }
    }
]