-- Table of terrains and trees found in them (weighted)

   local terrains = {}
   
   
terrains["dirt-6"] = {

  ["dry-hairy-tree"] = {
    tile_name = "dirt-6",
    tree_name = "dry-hairy-tree",
    weight = 24
  },
  ["dry-tree"] = {
    tile_name = "dirt-6",
    tree_name = "dry-tree",
    weight = 42
  },
  name = "dirt-6",
  ["tree-01"] = {
    tile_name = "dirt-6",
    tree_name = "tree-01",
    weight = 221
  },
  ["tree-02"] = {
    tile_name = "dirt-6",
    tree_name = "tree-02",
    weight = 24234
  },
  ["tree-02-red"] = {
    tile_name = "dirt-6",
    tree_name = "tree-02-red",
    weight = 179041
  },
  ["tree-03"] = {
    tile_name = "dirt-6",
    tree_name = "tree-03",
    weight = 2
  },
  ["tree-04"] = {
    tile_name = "dirt-6",
    tree_name = "tree-04",
    weight = 69753
  },
  ["tree-05"] = {
    tile_name = "dirt-6",
    tree_name = "tree-05",
    weight = 1068
  },
  ["tree-06"] = {
    tile_name = "dirt-6",
    tree_name = "tree-06",
    weight = 36
  },
  ["tree-06-brown"] = {
    tile_name = "dirt-6",
    tree_name = "tree-06-brown",
    weight = 8
  },
  ["tree-07"] = {
    tile_name = "dirt-6",
    tree_name = "tree-07",
    weight = 16
  },
  ["tree-08"] = {
    tile_name = "dirt-6",
    tree_name = "tree-08",
    weight = 16
  },
  ["tree-08-brown"] = {
    tile_name = "dirt-6",
    tree_name = "tree-08-brown",
    weight = 32
  },
  ["tree-09"] = {
    tile_name = "dirt-6",
    tree_name = "tree-09",
    weight = 558
  },
  ["tree-09-brown"] = {
    tile_name = "dirt-6",
    tree_name = "tree-09-brown",
    weight = 66
  },
  ["tree-09-red"] = {
    tile_name = "dirt-6",
    tree_name = "tree-09-red",
    weight = 165
  }
}, 
terrains["dirt-7"] = {

  ["dry-hairy-tree"] = {
    tile_name = "dirt-7",
    tree_name = "dry-hairy-tree",
    weight = 30
  },
  ["dry-tree"] = {
    tile_name = "dirt-7",
    tree_name = "dry-tree",
    weight = 38
  },
  name = "dirt-7",
  ["tree-01"] = {
    tile_name = "dirt-7",
    tree_name = "tree-01",
    weight = 577
  },
  ["tree-02"] = {
    tile_name = "dirt-7",
    tree_name = "tree-02",
    weight = 98661
  },
  ["tree-02-red"] = {
    tile_name = "dirt-7",
    tree_name = "tree-02-red",
    weight = 75918
  },
  ["tree-03"] = {
    tile_name = "dirt-7",
    tree_name = "tree-03",
    weight = 2
  },
  ["tree-04"] = {
    tile_name = "dirt-7",
    tree_name = "tree-04",
    weight = 66040
  },
  ["tree-05"] = {
    tile_name = "dirt-7",
    tree_name = "tree-05",
    weight = 3064
  },
  ["tree-06"] = {
    tile_name = "dirt-7",
    tree_name = "tree-06",
    weight = 49
  },
  ["tree-06-brown"] = {
    tile_name = "dirt-7",
    tree_name = "tree-06-brown",
    weight = 33
  },
  ["tree-07"] = {
    tile_name = "dirt-7",
    tree_name = "tree-07",
    weight = 28
  },
  ["tree-08"] = {
    tile_name = "dirt-7",
    tree_name = "tree-08",
    weight = 6
  },
  ["tree-08-brown"] = {
    tile_name = "dirt-7",
    tree_name = "tree-08-brown",
    weight = 11
  },
  ["tree-09"] = {
    tile_name = "dirt-7",
    tree_name = "tree-09",
    weight = 210
  },
  ["tree-09-brown"] = {
    tile_name = "dirt-7",
    tree_name = "tree-09-brown",
    weight = 253
  },
  ["tree-09-red"] = {
    tile_name = "dirt-7",
    tree_name = "tree-09-red",
    weight = 183
  }
}, 
terrains["dirt-5"] = {

  ["dry-hairy-tree"] = {
    tile_name = "dirt-5",
    tree_name = "dry-hairy-tree",
    weight = 46
  },
  ["dry-tree"] = {
    tile_name = "dirt-5",
    tree_name = "dry-tree",
    weight = 51
  },
  name = "dirt-5",
  ["tree-01"] = {
    tile_name = "dirt-5",
    tree_name = "tree-01",
    weight = 100
  },
  ["tree-02"] = {
    tile_name = "dirt-5",
    tree_name = "tree-02",
    weight = 3358
  },
  ["tree-02-red"] = {
    tile_name = "dirt-5",
    tree_name = "tree-02-red",
    weight = 187794
  },
  ["tree-03"] = {
    tile_name = "dirt-5",
    tree_name = "tree-03",
    weight = 3
  },
  ["tree-04"] = {
    tile_name = "dirt-5",
    tree_name = "tree-04",
    weight = 64545
  },
  ["tree-05"] = {
    tile_name = "dirt-5",
    tree_name = "tree-05",
    weight = 193
  },
  ["tree-06"] = {
    tile_name = "dirt-5",
    tree_name = "tree-06",
    weight = 28
  },
  ["tree-06-brown"] = {
    tile_name = "dirt-5",
    tree_name = "tree-06-brown",
    weight = 23
  },
  ["tree-07"] = {
    tile_name = "dirt-5",
    tree_name = "tree-07",
    weight = 2
  },
  ["tree-08"] = {
    tile_name = "dirt-5",
    tree_name = "tree-08",
    weight = 27
  },
  ["tree-09"] = {
    tile_name = "dirt-5",
    tree_name = "tree-09",
    weight = 669
  },
  ["tree-09-brown"] = {
    tile_name = "dirt-5",
    tree_name = "tree-09-brown",
    weight = 106
  },
  ["tree-09-red"] = {
    tile_name = "dirt-5",
    tree_name = "tree-09-red",
    weight = 55
  }
}, 
terrains["dirt-3"] = {

  ["dry-hairy-tree"] = {
    tile_name = "dirt-3",
    tree_name = "dry-hairy-tree",
    weight = 196
  },
  ["dry-tree"] = {
    tile_name = "dirt-3",
    tree_name = "dry-tree",
    weight = 218
  },
  name = "dirt-3",
  ["tree-01"] = {
    tile_name = "dirt-3",
    tree_name = "tree-01",
    weight = 22
  },
  ["tree-02"] = {
    tile_name = "dirt-3",
    tree_name = "tree-02",
    weight = 851
  },
  ["tree-02-red"] = {
    tile_name = "dirt-3",
    tree_name = "tree-02-red",
    weight = 82425
  },
  ["tree-03"] = {
    tile_name = "dirt-3",
    tree_name = "tree-03",
    weight = 12
  },
  ["tree-04"] = {
    tile_name = "dirt-3",
    tree_name = "tree-04",
    weight = 35174
  },
  ["tree-05"] = {
    tile_name = "dirt-3",
    tree_name = "tree-05",
    weight = 432
  },
  ["tree-06"] = {
    tile_name = "dirt-3",
    tree_name = "tree-06",
    weight = 58
  },
  ["tree-06-brown"] = {
    tile_name = "dirt-3",
    tree_name = "tree-06-brown",
    weight = 30
  },
  ["tree-07"] = {
    tile_name = "dirt-3",
    tree_name = "tree-07",
    weight = 80
  },
  ["tree-08"] = {
    tile_name = "dirt-3",
    tree_name = "tree-08",
    weight = 20
  },
  ["tree-08-brown"] = {
    tile_name = "dirt-3",
    tree_name = "tree-08-brown",
    weight = 33
  },
  ["tree-09"] = {
    tile_name = "dirt-3",
    tree_name = "tree-09",
    weight = 260
  },
  ["tree-09-brown"] = {
    tile_name = "dirt-3",
    tree_name = "tree-09-brown",
    weight = 1127
  },
  ["tree-09-red"] = {
    tile_name = "dirt-3",
    tree_name = "tree-09-red",
    weight = 765
  }
}, 
terrains["sand-1"] = {

  ["dry-hairy-tree"] = {
    tile_name = "sand-1",
    tree_name = "dry-hairy-tree",
    weight = 12157
  },
  ["dry-tree"] = {
    tile_name = "sand-1",
    tree_name = "dry-tree",
    weight = 12561
  },
  name = "sand-1",
  ["tree-01"] = {
    tile_name = "sand-1",
    tree_name = "tree-01",
    weight = 555
  },
  ["tree-02"] = {
    tile_name = "sand-1",
    tree_name = "tree-02",
    weight = 60844
  },
  ["tree-02-red"] = {
    tile_name = "sand-1",
    tree_name = "tree-02-red",
    weight = 57696
  },
  ["tree-03"] = {
    tile_name = "sand-1",
    tree_name = "tree-03",
    weight = 415
  },
  ["tree-04"] = {
    tile_name = "sand-1",
    tree_name = "tree-04",
    weight = 38098
  },
  ["tree-05"] = {
    tile_name = "sand-1",
    tree_name = "tree-05",
    weight = 17776
  },
  ["tree-06"] = {
    tile_name = "sand-1",
    tree_name = "tree-06",
    weight = 69212
  },
  ["tree-06-brown"] = {
    tile_name = "sand-1",
    tree_name = "tree-06-brown",
    weight = 61028
  },
  ["tree-07"] = {
    tile_name = "sand-1",
    tree_name = "tree-07",
    weight = 11335
  },
  ["tree-08"] = {
    tile_name = "sand-1",
    tree_name = "tree-08",
    weight = 28216
  },
  ["tree-08-brown"] = {
    tile_name = "sand-1",
    tree_name = "tree-08-brown",
    weight = 31660
  },
  ["tree-09"] = {
    tile_name = "sand-1",
    tree_name = "tree-09",
    weight = 218
  },
  ["tree-09-brown"] = {
    tile_name = "sand-1",
    tree_name = "tree-09-brown",
    weight = 146383
  },
  ["tree-09-red"] = {
    tile_name = "sand-1",
    tree_name = "tree-09-red",
    weight = 126450
  }
}, 
terrains["sand-3"] = {

  ["dry-hairy-tree"] = {
    tile_name = "sand-3",
    tree_name = "dry-hairy-tree",
    weight = 440
  },
  ["dry-tree"] = {
    tile_name = "sand-3",
    tree_name = "dry-tree",
    weight = 479
  },
  name = "sand-3",
  ["tree-02"] = {
    tile_name = "sand-3",
    tree_name = "tree-02",
    weight = 362
  },
  ["tree-02-red"] = {
    tile_name = "sand-3",
    tree_name = "tree-02-red",
    weight = 242
  },
  ["tree-03"] = {
    tile_name = "sand-3",
    tree_name = "tree-03",
    weight = 2
  },
  ["tree-04"] = {
    tile_name = "sand-3",
    tree_name = "tree-04",
    weight = 25
  },
  ["tree-05"] = {
    tile_name = "sand-3",
    tree_name = "tree-05",
    weight = 5
  },
  ["tree-06"] = {
    tile_name = "sand-3",
    tree_name = "tree-06",
    weight = 2452
  },
  ["tree-06-brown"] = {
    tile_name = "sand-3",
    tree_name = "tree-06-brown",
    weight = 2035
  },
  ["tree-07"] = {
    tile_name = "sand-3",
    tree_name = "tree-07",
    weight = 2573
  },
  ["tree-08"] = {
    tile_name = "sand-3",
    tree_name = "tree-08",
    weight = 778
  },
  ["tree-08-brown"] = {
    tile_name = "sand-3",
    tree_name = "tree-08-brown",
    weight = 997
  },
  ["tree-09-brown"] = {
    tile_name = "sand-3",
    tree_name = "tree-09-brown",
    weight = 24871
  },
  ["tree-09-red"] = {
    tile_name = "sand-3",
    tree_name = "tree-09-red",
    weight = 23289
  }
}, 
terrains["dirt-2"] = {

  ["dry-hairy-tree"] = {
    tile_name = "dirt-2",
    tree_name = "dry-hairy-tree",
    weight = 537
  },
  ["dry-tree"] = {
    tile_name = "dirt-2",
    tree_name = "dry-tree",
    weight = 582
  },
  name = "dirt-2",
  ["tree-01"] = {
    tile_name = "dirt-2",
    tree_name = "tree-01",
    weight = 8
  },
  ["tree-02"] = {
    tile_name = "dirt-2",
    tree_name = "tree-02",
    weight = 1144
  },
  ["tree-02-red"] = {
    tile_name = "dirt-2",
    tree_name = "tree-02-red",
    weight = 13364
  },
  ["tree-03"] = {
    tile_name = "dirt-2",
    tree_name = "tree-03",
    weight = 71
  },
  ["tree-04"] = {
    tile_name = "dirt-2",
    tree_name = "tree-04",
    weight = 10320
  },
  ["tree-05"] = {
    tile_name = "dirt-2",
    tree_name = "tree-05",
    weight = 908
  },
  ["tree-06"] = {
    tile_name = "dirt-2",
    tree_name = "tree-06",
    weight = 68
  },
  ["tree-06-brown"] = {
    tile_name = "dirt-2",
    tree_name = "tree-06-brown",
    weight = 27
  },
  ["tree-07"] = {
    tile_name = "dirt-2",
    tree_name = "tree-07",
    weight = 501
  },
  ["tree-08"] = {
    tile_name = "dirt-2",
    tree_name = "tree-08",
    weight = 13
  },
  ["tree-08-brown"] = {
    tile_name = "dirt-2",
    tree_name = "tree-08-brown",
    weight = 48
  },
  ["tree-09"] = {
    tile_name = "dirt-2",
    tree_name = "tree-09",
    weight = 37
  },
  ["tree-09-brown"] = {
    tile_name = "dirt-2",
    tree_name = "tree-09-brown",
    weight = 5694
  },
  ["tree-09-red"] = {
    tile_name = "dirt-2",
    tree_name = "tree-09-red",
    weight = 4715
  }
}, 
terrains["dirt-1"] = {

  ["dry-hairy-tree"] = {
    tile_name = "dirt-1",
    tree_name = "dry-hairy-tree",
    weight = 643
  },
  ["dry-tree"] = {
    tile_name = "dirt-1",
    tree_name = "dry-tree",
    weight = 614
  },
  name = "dirt-1",
  ["tree-02"] = {
    tile_name = "dirt-1",
    tree_name = "tree-02",
    weight = 403
  },
  ["tree-02-red"] = {
    tile_name = "dirt-1",
    tree_name = "tree-02-red",
    weight = 609
  },
  ["tree-04"] = {
    tile_name = "dirt-1",
    tree_name = "tree-04",
    weight = 755
  },
  ["tree-05"] = {
    tile_name = "dirt-1",
    tree_name = "tree-05",
    weight = 11
  },
  ["tree-06"] = {
    tile_name = "dirt-1",
    tree_name = "tree-06",
    weight = 5
  },
  ["tree-06-brown"] = {
    tile_name = "dirt-1",
    tree_name = "tree-06-brown",
    weight = 2
  },
  ["tree-07"] = {
    tile_name = "dirt-1",
    tree_name = "tree-07",
    weight = 770
  },
  ["tree-08"] = {
    tile_name = "dirt-1",
    tree_name = "tree-08",
    weight = 13
  },
  ["tree-08-brown"] = {
    tile_name = "dirt-1",
    tree_name = "tree-08-brown",
    weight = 39
  },
  ["tree-09"] = {
    tile_name = "dirt-1",
    tree_name = "tree-09",
    weight = 4
  },
  ["tree-09-brown"] = {
    tile_name = "dirt-1",
    tree_name = "tree-09-brown",
    weight = 10364
  },
  ["tree-09-red"] = {
    tile_name = "dirt-1",
    tree_name = "tree-09-red",
    weight = 8331
  }
}, 
terrains["sand-2"] = {

  ["dry-hairy-tree"] = {
    tile_name = "sand-2",
    tree_name = "dry-hairy-tree",
    weight = 259
  },
  ["dry-tree"] = {
    tile_name = "sand-2",
    tree_name = "dry-tree",
    weight = 300
  },
  name = "sand-2",
  ["tree-02"] = {
    tile_name = "sand-2",
    tree_name = "tree-02",
    weight = 160
  },
  ["tree-02-red"] = {
    tile_name = "sand-2",
    tree_name = "tree-02-red",
    weight = 214
  },
  ["tree-04"] = {
    tile_name = "sand-2",
    tree_name = "tree-04",
    weight = 15
  },
  ["tree-05"] = {
    tile_name = "sand-2",
    tree_name = "tree-05",
    weight = 4
  },
  ["tree-06"] = {
    tile_name = "sand-2",
    tree_name = "tree-06",
    weight = 3931
  },
  ["tree-06-brown"] = {
    tile_name = "sand-2",
    tree_name = "tree-06-brown",
    weight = 3176
  },
  ["tree-07"] = {
    tile_name = "sand-2",
    tree_name = "tree-07",
    weight = 1481
  },
  ["tree-08"] = {
    tile_name = "sand-2",
    tree_name = "tree-08",
    weight = 583
  },
  ["tree-08-brown"] = {
    tile_name = "sand-2",
    tree_name = "tree-08-brown",
    weight = 658
  },
  ["tree-09-brown"] = {
    tile_name = "sand-2",
    tree_name = "tree-09-brown",
    weight = 16053
  },
  ["tree-09-red"] = {
    tile_name = "sand-2",
    tree_name = "tree-09-red",
    weight = 13349
  }
}, 
terrains["dry-dirt"] = {

  ["dry-hairy-tree"] = {
    tile_name = "dry-dirt",
    tree_name = "dry-hairy-tree",
    weight = 781
  },
  ["dry-tree"] = {
    tile_name = "dry-dirt",
    tree_name = "dry-tree",
    weight = 800
  },
  name = "dry-dirt",
  ["tree-02"] = {
    tile_name = "dry-dirt",
    tree_name = "tree-02",
    weight = 521
  },
  ["tree-02-red"] = {
    tile_name = "dry-dirt",
    tree_name = "tree-02-red",
    weight = 2271
  },
  ["tree-04"] = {
    tile_name = "dry-dirt",
    tree_name = "tree-04",
    weight = 1455
  },
  ["tree-05"] = {
    tile_name = "dry-dirt",
    tree_name = "tree-05",
    weight = 8
  },
  ["tree-06"] = {
    tile_name = "dry-dirt",
    tree_name = "tree-06",
    weight = 4513
  },
  ["tree-06-brown"] = {
    tile_name = "dry-dirt",
    tree_name = "tree-06-brown",
    weight = 3923
  },
  ["tree-07"] = {
    tile_name = "dry-dirt",
    tree_name = "tree-07",
    weight = 748
  },
  ["tree-08"] = {
    tile_name = "dry-dirt",
    tree_name = "tree-08",
    weight = 2190
  },
  ["tree-08-brown"] = {
    tile_name = "dry-dirt",
    tree_name = "tree-08-brown",
    weight = 2021
  },
  ["tree-09"] = {
    tile_name = "dry-dirt",
    tree_name = "tree-09",
    weight = 5
  },
  ["tree-09-brown"] = {
    tile_name = "dry-dirt",
    tree_name = "tree-09-brown",
    weight = 7876
  },
  ["tree-09-red"] = {
    tile_name = "dry-dirt",
    tree_name = "tree-09-red",
    weight = 7123
  }
}, 
terrains["dirt-4"] = {

  ["dry-hairy-tree"] = {
    tile_name = "dirt-4",
    tree_name = "dry-hairy-tree",
    weight = 257
  },
  ["dry-tree"] = {
    tile_name = "dirt-4",
    tree_name = "dry-tree",
    weight = 280
  },
  name = "dirt-4",
  ["tree-02"] = {
    tile_name = "dirt-4",
    tree_name = "tree-02",
    weight = 218
  },
  ["tree-02-red"] = {
    tile_name = "dirt-4",
    tree_name = "tree-02-red",
    weight = 24554
  },
  ["tree-04"] = {
    tile_name = "dirt-4",
    tree_name = "tree-04",
    weight = 8460
  },
  ["tree-05"] = {
    tile_name = "dirt-4",
    tree_name = "tree-05",
    weight = 6
  },
  ["tree-06"] = {
    tile_name = "dirt-4",
    tree_name = "tree-06",
    weight = 659
  },
  ["tree-06-brown"] = {
    tile_name = "dirt-4",
    tree_name = "tree-06-brown",
    weight = 698
  },
  ["tree-07"] = {
    tile_name = "dirt-4",
    tree_name = "tree-07",
    weight = 409
  },
  ["tree-08"] = {
    tile_name = "dirt-4",
    tree_name = "tree-08",
    weight = 603
  },
  ["tree-08-brown"] = {
    tile_name = "dirt-4",
    tree_name = "tree-08-brown",
    weight = 639
  },
  ["tree-09"] = {
    tile_name = "dirt-4",
    tree_name = "tree-09",
    weight = 61
  },
  ["tree-09-brown"] = {
    tile_name = "dirt-4",
    tree_name = "tree-09-brown",
    weight = 4361
  },
  ["tree-09-red"] = {
    tile_name = "dirt-4",
    tree_name = "tree-09-red",
    weight = 3611
  }
}, 
terrains["red-desert-1"] = {

  ["dry-hairy-tree"] = {
    tile_name = "red-desert-1",
    tree_name = "dry-hairy-tree",
    weight = 399
  },
  ["dry-tree"] = {
    tile_name = "red-desert-1",
    tree_name = "dry-tree",
    weight = 415
  },
  name = "red-desert-1",
  ["tree-02"] = {
    tile_name = "red-desert-1",
    tree_name = "tree-02",
    weight = 299
  },
  ["tree-02-red"] = {
    tile_name = "red-desert-1",
    tree_name = "tree-02-red",
    weight = 260
  },
  ["tree-04"] = {
    tile_name = "red-desert-1",
    tree_name = "tree-04",
    weight = 158
  },
  ["tree-05"] = {
    tile_name = "red-desert-1",
    tree_name = "tree-05",
    weight = 5
  },
  ["tree-06"] = {
    tile_name = "red-desert-1",
    tree_name = "tree-06",
    weight = 1008
  },
  ["tree-06-brown"] = {
    tile_name = "red-desert-1",
    tree_name = "tree-06-brown",
    weight = 806
  },
  ["tree-07"] = {
    tile_name = "red-desert-1",
    tree_name = "tree-07",
    weight = 842
  },
  ["tree-08"] = {
    tile_name = "red-desert-1",
    tree_name = "tree-08",
    weight = 684
  },
  ["tree-08-brown"] = {
    tile_name = "red-desert-1",
    tree_name = "tree-08-brown",
    weight = 389
  },
  ["tree-09-brown"] = {
    tile_name = "red-desert-1",
    tree_name = "tree-09-brown",
    weight = 9629
  },
  ["tree-09-red"] = {
    tile_name = "red-desert-1",
    tree_name = "tree-09-red",
    weight = 8543
  }
}, 
terrains["grass-1"] = {

  ["dry-hairy-tree"] = {
    tile_name = "grass-1",
    tree_name = "dry-hairy-tree",
    weight = 167
  },
  ["dry-tree"] = {
    tile_name = "grass-1",
    tree_name = "dry-tree",
    weight = 170
  },
  name = "grass-1",
  ["tree-01"] = {
    tile_name = "grass-1",
    tree_name = "tree-01",
    weight = 2770
  },
  ["tree-02"] = {
    tile_name = "grass-1",
    tree_name = "tree-02",
    weight = 128833
  },
  ["tree-02-red"] = {
    tile_name = "grass-1",
    tree_name = "tree-02-red",
    weight = 3855
  },
  ["tree-03"] = {
    tile_name = "grass-1",
    tree_name = "tree-03",
    weight = 4225
  },
  ["tree-04"] = {
    tile_name = "grass-1",
    tree_name = "tree-04",
    weight = 55047
  },
  ["tree-05"] = {
    tile_name = "grass-1",
    tree_name = "tree-05",
    weight = 128934
  },
  ["tree-06"] = {
    tile_name = "grass-1",
    tree_name = "tree-06",
    weight = 333
  },
  ["tree-06-brown"] = {
    tile_name = "grass-1",
    tree_name = "tree-06-brown",
    weight = 219
  },
  ["tree-07"] = {
    tile_name = "grass-1",
    tree_name = "tree-07",
    weight = 115
  },
  ["tree-08"] = {
    tile_name = "grass-1",
    tree_name = "tree-08",
    weight = 231
  },
  ["tree-08-brown"] = {
    tile_name = "grass-1",
    tree_name = "tree-08-brown",
    weight = 269
  },
  ["tree-09"] = {
    tile_name = "grass-1",
    tree_name = "tree-09",
    weight = 10
  },
  ["tree-09-brown"] = {
    tile_name = "grass-1",
    tree_name = "tree-09-brown",
    weight = 1379
  },
  ["tree-09-red"] = {
    tile_name = "grass-1",
    tree_name = "tree-09-red",
    weight = 698
  }
}, 
terrains["grass-3"] = {

  ["dry-hairy-tree"] = {
    tile_name = "grass-3",
    tree_name = "dry-hairy-tree",
    weight = 111
  },
  ["dry-tree"] = {
    tile_name = "grass-3",
    tree_name = "dry-tree",
    weight = 89
  },
  name = "grass-3",
  ["tree-01"] = {
    tile_name = "grass-3",
    tree_name = "tree-01",
    weight = 3042
  },
  ["tree-02"] = {
    tile_name = "grass-3",
    tree_name = "tree-02",
    weight = 213831
  },
  ["tree-02-red"] = {
    tile_name = "grass-3",
    tree_name = "tree-02-red",
    weight = 1221
  },
  ["tree-03"] = {
    tile_name = "grass-3",
    tree_name = "tree-03",
    weight = 4680
  },
  ["tree-04"] = {
    tile_name = "grass-3",
    tree_name = "tree-04",
    weight = 67866
  },
  ["tree-05"] = {
    tile_name = "grass-3",
    tree_name = "tree-05",
    weight = 147689
  },
  ["tree-06"] = {
    tile_name = "grass-3",
    tree_name = "tree-06",
    weight = 41
  },
  ["tree-06-brown"] = {
    tile_name = "grass-3",
    tree_name = "tree-06-brown",
    weight = 29
  },
  ["tree-07"] = {
    tile_name = "grass-3",
    tree_name = "tree-07",
    weight = 28
  },
  ["tree-08"] = {
    tile_name = "grass-3",
    tree_name = "tree-08",
    weight = 70
  },
  ["tree-08-brown"] = {
    tile_name = "grass-3",
    tree_name = "tree-08-brown",
    weight = 42
  },
  ["tree-09-brown"] = {
    tile_name = "grass-3",
    tree_name = "tree-09-brown",
    weight = 300
  },
  ["tree-09-red"] = {
    tile_name = "grass-3",
    tree_name = "tree-09-red",
    weight = 125
  }
}, 
terrains["grass-4"] = {

  ["dry-hairy-tree"] = {
    tile_name = "grass-4",
    tree_name = "dry-hairy-tree",
    weight = 62
  },
  ["dry-tree"] = {
    tile_name = "grass-4",
    tree_name = "dry-tree",
    weight = 44
  },
  name = "grass-4",
  ["tree-01"] = {
    tile_name = "grass-4",
    tree_name = "tree-01",
    weight = 1386
  },
  ["tree-02"] = {
    tile_name = "grass-4",
    tree_name = "tree-02",
    weight = 328767
  },
  ["tree-02-red"] = {
    tile_name = "grass-4",
    tree_name = "tree-02-red",
    weight = 14228
  },
  ["tree-03"] = {
    tile_name = "grass-4",
    tree_name = "tree-03",
    weight = 1289
  },
  ["tree-04"] = {
    tile_name = "grass-4",
    tree_name = "tree-04",
    weight = 111457
  },
  ["tree-05"] = {
    tile_name = "grass-4",
    tree_name = "tree-05",
    weight = 53084
  },
  ["tree-06"] = {
    tile_name = "grass-4",
    tree_name = "tree-06",
    weight = 43
  },
  ["tree-06-brown"] = {
    tile_name = "grass-4",
    tree_name = "tree-06-brown",
    weight = 99
  },
  ["tree-07"] = {
    tile_name = "grass-4",
    tree_name = "tree-07",
    weight = 6
  },
  ["tree-08"] = {
    tile_name = "grass-4",
    tree_name = "tree-08",
    weight = 15
  },
  ["tree-08-brown"] = {
    tile_name = "grass-4",
    tree_name = "tree-08-brown",
    weight = 14
  },
  ["tree-09"] = {
    tile_name = "grass-4",
    tree_name = "tree-09",
    weight = 80
  },
  ["tree-09-brown"] = {
    tile_name = "grass-4",
    tree_name = "tree-09-brown",
    weight = 166
  },
  ["tree-09-red"] = {
    tile_name = "grass-4",
    tree_name = "tree-09-red",
    weight = 90
  }
}, 
terrains["red-desert-2"] = {

  ["dry-hairy-tree"] = {
    tile_name = "red-desert-2",
    tree_name = "dry-hairy-tree",
    weight = 108
  },
  ["dry-tree"] = {
    tile_name = "red-desert-2",
    tree_name = "dry-tree",
    weight = 140
  },
  name = "red-desert-2",
  ["tree-02"] = {
    tile_name = "red-desert-2",
    tree_name = "tree-02",
    weight = 78
  },
  ["tree-02-red"] = {
    tile_name = "red-desert-2",
    tree_name = "tree-02-red",
    weight = 59
  },
  ["tree-04"] = {
    tile_name = "red-desert-2",
    tree_name = "tree-04",
    weight = 17
  },
  ["tree-06"] = {
    tile_name = "red-desert-2",
    tree_name = "tree-06",
    weight = 647
  },
  ["tree-06-brown"] = {
    tile_name = "red-desert-2",
    tree_name = "tree-06-brown",
    weight = 673
  },
  ["tree-07"] = {
    tile_name = "red-desert-2",
    tree_name = "tree-07",
    weight = 365
  },
  ["tree-08"] = {
    tile_name = "red-desert-2",
    tree_name = "tree-08",
    weight = 363
  },
  ["tree-08-brown"] = {
    tile_name = "red-desert-2",
    tree_name = "tree-08-brown",
    weight = 265
  },
  ["tree-09-brown"] = {
    tile_name = "red-desert-2",
    tree_name = "tree-09-brown",
    weight = 4827
  },
  ["tree-09-red"] = {
    tile_name = "red-desert-2",
    tree_name = "tree-09-red",
    weight = 3270
  }
}, 
terrains["red-desert-0"] = {

  ["dry-hairy-tree"] = {
    tile_name = "red-desert-0",
    tree_name = "dry-hairy-tree",
    weight = 28
  },
  ["dry-tree"] = {
    tile_name = "red-desert-0",
    tree_name = "dry-tree",
    weight = 13
  },
  name = "red-desert-0",
  ["tree-01"] = {
    tile_name = "red-desert-0",
    tree_name = "tree-01",
    weight = 323
  },
  ["tree-02"] = {
    tile_name = "red-desert-0",
    tree_name = "tree-02",
    weight = 78399
  },
  ["tree-02-red"] = {
    tile_name = "red-desert-0",
    tree_name = "tree-02-red",
    weight = 54323
  },
  ["tree-03"] = {
    tile_name = "red-desert-0",
    tree_name = "tree-03",
    weight = 82
  },
  ["tree-04"] = {
    tile_name = "red-desert-0",
    tree_name = "tree-04",
    weight = 49164
  },
  ["tree-05"] = {
    tile_name = "red-desert-0",
    tree_name = "tree-05",
    weight = 4627
  },
  ["tree-06"] = {
    tile_name = "red-desert-0",
    tree_name = "tree-06",
    weight = 25
  },
  ["tree-06-brown"] = {
    tile_name = "red-desert-0",
    tree_name = "tree-06-brown",
    weight = 4
  },
  ["tree-08"] = {
    tile_name = "red-desert-0",
    tree_name = "tree-08",
    weight = 18
  },
  ["tree-09"] = {
    tile_name = "red-desert-0",
    tree_name = "tree-09",
    weight = 202
  },
  ["tree-09-brown"] = {
    tile_name = "red-desert-0",
    tree_name = "tree-09-brown",
    weight = 26
  },
  ["tree-09-red"] = {
    tile_name = "red-desert-0",
    tree_name = "tree-09-red",
    weight = 16
  }
}, 
terrains["grass-2"] = {

  ["dry-hairy-tree"] = {
    tile_name = "grass-2",
    tree_name = "dry-hairy-tree",
    weight = 26
  },
  ["dry-tree"] = {
    tile_name = "grass-2",
    tree_name = "dry-tree",
    weight = 17
  },
  name = "grass-2",
  ["tree-01"] = {
    tile_name = "grass-2",
    tree_name = "tree-01",
    weight = 941
  },
  ["tree-02"] = {
    tile_name = "grass-2",
    tree_name = "tree-02",
    weight = 111956
  },
  ["tree-02-red"] = {
    tile_name = "grass-2",
    tree_name = "tree-02-red",
    weight = 8561
  },
  ["tree-03"] = {
    tile_name = "grass-2",
    tree_name = "tree-03",
    weight = 572
  },
  ["tree-04"] = {
    tile_name = "grass-2",
    tree_name = "tree-04",
    weight = 37335
  },
  ["tree-05"] = {
    tile_name = "grass-2",
    tree_name = "tree-05",
    weight = 23569
  },
  ["tree-06"] = {
    tile_name = "grass-2",
    tree_name = "tree-06",
    weight = 61
  },
  ["tree-06-brown"] = {
    tile_name = "grass-2",
    tree_name = "tree-06-brown",
    weight = 40
  },
  ["tree-07"] = {
    tile_name = "grass-2",
    tree_name = "tree-07",
    weight = 4
  },
  ["tree-08"] = {
    tile_name = "grass-2",
    tree_name = "tree-08",
    weight = 116
  },
  ["tree-08-brown"] = {
    tile_name = "grass-2",
    tree_name = "tree-08-brown",
    weight = 25
  },
  ["tree-09"] = {
    tile_name = "grass-2",
    tree_name = "tree-09",
    weight = 15
  },
  ["tree-09-brown"] = {
    tile_name = "grass-2",
    tree_name = "tree-09-brown",
    weight = 59
  },
  ["tree-09-red"] = {
    tile_name = "grass-2",
    tree_name = "tree-09-red",
    weight = 54
  }
}, 
terrains["red-desert-3"] = {

  ["dry-hairy-tree"] = {
    tile_name = "red-desert-3",
    tree_name = "dry-hairy-tree",
    weight = 185
  },
  ["dry-tree"] = {
    tile_name = "red-desert-3",
    tree_name = "dry-tree",
    weight = 165
  },
  name = "red-desert-3",
  ["tree-02"] = {
    tile_name = "red-desert-3",
    tree_name = "tree-02",
    weight = 99
  },
  ["tree-02-red"] = {
    tile_name = "red-desert-3",
    tree_name = "tree-02-red",
    weight = 597
  },
  ["tree-04"] = {
    tile_name = "red-desert-3",
    tree_name = "tree-04",
    weight = 225
  },
  ["tree-06"] = {
    tile_name = "red-desert-3",
    tree_name = "tree-06",
    weight = 1104
  },
  ["tree-06-brown"] = {
    tile_name = "red-desert-3",
    tree_name = "tree-06-brown",
    weight = 1019
  },
  ["tree-07"] = {
    tile_name = "red-desert-3",
    tree_name = "tree-07",
    weight = 197
  },
  ["tree-08"] = {
    tile_name = "red-desert-3",
    tree_name = "tree-08",
    weight = 441
  },
  ["tree-08-brown"] = {
    tile_name = "red-desert-3",
    tree_name = "tree-08-brown",
    weight = 343
  },
  ["tree-09"] = {
    tile_name = "red-desert-3",
    tree_name = "tree-09",
    weight = 6
  },
  ["tree-09-brown"] = {
    tile_name = "red-desert-3",
    tree_name = "tree-09-brown",
    weight = 1648
  },
  ["tree-09-red"] = {
    tile_name = "red-desert-3",
    tree_name = "tree-09-red",
    weight = 1505
  }
},