mods/flowers/mapgen.lua

   1 minetest.register_alias("mapgen_dandelion", "flowers:dandelion_yellow")
   2 minetest.register_alias("mapgen_rose", "flowers:rose")
   3
   4 minetest.register_alias("mapgen_oxeye_daisy", "flowers:oxeye_daisy")
   5
   6 minetest.register_alias("mapgen_tulip_orange", "flowers:tulip_orange")
   7 minetest.register_alias("mapgen_tulip_pink", "flowers:tulip_pink")
   8 minetest.register_alias("mapgen_tulip_red", "flowers:tulip_red")
   9 minetest.register_alias("mapgen_tulip_white", "flowers:tulip_white")
  10
  11 minetest.register_alias("mapgen_allium", "flowers:allium")
  12
  13 minetest.register_alias("mapgen_paeonia", "flowers:paeonia")
  14
  15 minetest.register_alias("mapgen_houstonia", "flowers:houstonia")
  16
  17 minetest.register_alias("mapgen_blue_orchid", "flowers:blue_orchid")
  18
  19 minetest.register_on_generated(function(minp, maxp, seed)
  20         if maxp.y >= 3 and minp.y <= 0 then
  21                 -- Generate flowers
  22                 local perlin1 = minetest.get_perlin(436, 3, 0.6, 100)
  23                 -- Assume X and Z lengths are equal
  24                 local divlen = 16
  25                 local divs = (maxp.x-minp.x)/divlen+1;
  26                 for divx=0,divs-1 do
  27                 for divz=0,divs-1 do
  28                         local x0 = minp.x + math.floor((divx+0)*divlen)
  29                         local z0 = minp.z + math.floor((divz+0)*divlen)
  30                         local x1 = minp.x + math.floor((divx+1)*divlen)
  31                         local z1 = minp.z + math.floor((divz+1)*divlen)
  32                         -- Determine flowers amount from perlin noise
  33                         local grass_amount = math.floor(perlin1:get2d({x=x0, y=z0}) * 9)
  34                         -- Find random positions for flowers based on this random
  35                         local pr = PseudoRandom(seed+456)
  36                         for i=0,grass_amount do
  37                                 local x = pr:next(x0, x1)
  38                                 local z = pr:next(z0, z1)
  39                                 -- Find ground level (0...15)
  40                                 local ground_y = nil
  41                                 for y=30,0,-1 do
  42                                         if minetest.get_node({x=x,y=y,z=z}).name ~= "air" then
  43                                                 ground_y = y
  44                                                 break
  45                                         end
  46                                 end
  47
  48                                 if ground_y then
  49                                         local p = {x=x,y=ground_y+1,z=z}
  50                                         local nn = minetest.get_node(p).name
  51                                         -- Check if the node can be replaced
  52                                         if minetest.registered_nodes[nn] and
  53                                                 minetest.registered_nodes[nn].buildable_to then
  54                                                 nn = minetest.get_node({x=x,y=ground_y,z=z}).name
  55                                                 if nn == "default:dirt_with_grass" then
  56                                                         --local flower_choice = pr:next(1, 11)
  57                                                         local flower_choice = math.random(0, 11)
  58                                                         local flower = "default:grass"
  59                                                         if flower_choice == 1 then
  60                                                                 flower = "flowers:dandelion_yellow"
  61                                                                 minetest.set_node(p, {name=flower})
  62                                                         elseif flower_choice == 2 then
  63                                                                 flower = "flowers:rose"
  64                                                                 minetest.set_node(p, {name=flower})
  65                                                         elseif flower_choice == 3 then
  66                                                                 flower = "flowers:oxeye_daisy"
  67                                                                 minetest.set_node(p, {name=flower})
  68                                                         elseif flower_choice == 4 then
  69                                                                 flower = "flowers:tulip_orange"
  70                                                                 minetest.set_node(p, {name=flower})
  71                                                         elseif flower_choice == 5 then
  72                                                                 flower = "flowers:tulip_pink"
  73                                                                 minetest.set_node(p, {name=flower})
  74                                                         elseif flower_choice == 6 then
  75                                                                 flower = "flowers:tulip_red"
  76                                                                 minetest.set_node(p, {name=flower})
  77                                                         elseif flower_choice == 7 then
  78                                                                 flower = "flowers:tulip_white"
  79                                                                 minetest.set_node(p, {name=flower})
  80                                                         elseif flower_choice == 8 then
  81                                                                 flower = "flowers:allium"
  82                                                                 minetest.set_node(p, {name=flower})
  83                                                         elseif flower_choice == 9 then
  84                                                                 flower = "flowers:paeonia"
  85                                                                 minetest.set_node(p, {name=flower})
  86                                                         elseif flower_choice == 10 then
  87                                                                 flower = "flowers:houstonia"
  88                                                                 minetest.set_node(p, {name=flower})
  89                                                         elseif flower_choice == 11 then
  90                                                                 flower = "flowers:blue_orchid"
  91                                                                 minetest.set_node(p, {name=flower})
  92                                                         elseif flower_choice == 12 then
  93                                                                 flower = "flowers:fern"
  94                                                                 minetest.set_node(p, {name=flower})
  95                                                         else
  96                                                                 flower = "default:grass"
  97                                                                 minetest.set_node(p, {name=flower})
  98                                                         end
  99
 100                                                 end
 101                                         end
 102                                 end
 103
 104                         end
 105                 end
 106                 end
 107         end
 108 end)