mods/butterflies/init.lua

   1 -- butterflies/init.lua
   2
   3 -- Load support for MT game translation.
   4 local S = minetest.get_translator("butterflies")
   5
   6 -- register butterflies
   7 local butter_list = {
   8         {"white",  S("White Butterfly")},
   9         {"red",    S("Red Butterfly")},
  10         {"violet", S("Violet Butterfly")}
  11 }
  12
  13 for i in ipairs (butter_list) do
  14         local name = butter_list[i][1]
  15         local desc = butter_list[i][2]
  16
  17         minetest.register_node("butterflies:butterfly_"..name, {
  18                 description = desc,
  19                 drawtype = "plantlike",
  20                 tiles = {{
  21                         name = "butterflies_butterfly_"..name.."_animated.png",
  22                         animation = {
  23                                 type = "vertical_frames",
  24                                 aspect_w = 16,
  25                                 aspect_h = 16,
  26                                 length = 3
  27                         },
  28                 }},
  29                 inventory_image = "butterflies_butterfly_"..name..".png",
  30                 wield_image =  "butterflies_butterfly_"..name..".png",
  31                 waving = 1,
  32                 paramtype = "light",
  33                 sunlight_propagates = true,
  34                 buildable_to = true,
  35                 walkable = false,
  36                 groups = {catchable = 1},
  37                 selection_box = {
  38                         type = "fixed",
  39                         fixed = {-0.1, -0.1, -0.1, 0.1, 0.1, 0.1},
  40                 },
  41                 floodable = true,
  42                 on_place = function(itemstack, placer, pointed_thing)
  43                         local player_name = placer:get_player_name()
  44                         local pos = pointed_thing.above
  45
  46                         if not minetest.is_protected(pos, player_name) and
  47                                         not minetest.is_protected(pointed_thing.under, player_name) and
  48                                         minetest.get_node(pos).name == "air" then
  49                                 minetest.set_node(pos, {name = "butterflies:butterfly_"..name})
  50                                 minetest.get_node_timer(pos):start(1)
  51                                 itemstack:take_item()
  52                         end
  53                         return itemstack
  54                 end,
  55                 on_timer = function(pos, elapsed)
  56                         if minetest.get_node_light(pos) < 11 then
  57                                 minetest.set_node(pos, {name = "butterflies:hidden_butterfly_"..name})
  58                         end
  59                         minetest.get_node_timer(pos):start(30)
  60                 end
  61         })
  62
  63         minetest.register_node("butterflies:hidden_butterfly_"..name, {
  64                 drawtype = "airlike",
  65                 inventory_image = "butterflies_butterfly_"..name..".png",
  66                 wield_image =  "butterflies_butterfly_"..name..".png",
  67                 paramtype = "light",
  68                 sunlight_propagates = true,
  69                 walkable = false,
  70                 pointable = false,
  71                 diggable = false,
  72                 drop = "",
  73                 groups = {not_in_creative_inventory = 1},
  74                 floodable = true,
  75                 on_place = function(itemstack, placer, pointed_thing)
  76                         local player_name = placer:get_player_name()
  77                         local pos = pointed_thing.above
  78
  79                         if not minetest.is_protected(pos, player_name) and
  80                                         not minetest.is_protected(pointed_thing.under, player_name) and
  81                                         minetest.get_node(pos).name == "air" then
  82                                 minetest.set_node(pos, {name = "butterflies:hidden_butterfly_"..name})
  83                                 minetest.get_node_timer(pos):start(1)
  84                                 itemstack:take_item()
  85                         end
  86                         return itemstack
  87                 end,
  88                 on_timer = function(pos, elapsed)
  89                         if minetest.get_node_light(pos) >= 11 then
  90                                 minetest.set_node(pos, {name = "butterflies:butterfly_"..name})
  91                         end
  92                         minetest.get_node_timer(pos):start(30)
  93                 end
  94         })
  95 end
  96
  97 -- register decoration
  98 minetest.register_decoration({
  99         name = "butterflies:butterfly",
 100         deco_type = "simple",
 101         place_on = {"default:dirt_with_grass"},
 102         place_offset_y = 2,
 103         sidelen = 80,
 104         fill_ratio = 0.005,
 105         biomes = {"grassland", "deciduous_forest", "floatland_grassland"},
 106         y_max = 31000,
 107         y_min = 1,
 108         decoration = {
 109                 "butterflies:butterfly_white",
 110                 "butterflies:butterfly_red",
 111                 "butterflies:butterfly_violet"
 112         },
 113         spawn_by = "group:flower",
 114         num_spawn_by = 1
 115 })
 116
 117 -- get decoration ID
 118 local butterflies = minetest.get_decoration_id("butterflies:butterfly")
 119 minetest.set_gen_notify({decoration = true}, {butterflies})
 120
 121 -- start nodetimers
 122 minetest.register_on_generated(function(minp, maxp, blockseed)
 123         local gennotify = minetest.get_mapgen_object("gennotify")
 124         local poslist = {}
 125
 126         for _, pos in ipairs(gennotify["decoration#"..butterflies] or {}) do
 127                 local deco_pos = {x = pos.x, y = pos.y + 3, z = pos.z}
 128                 table.insert(poslist, deco_pos)
 129         end
 130
 131         if #poslist ~= 0 then
 132                 for i = 1, #poslist do
 133                         local pos = poslist[i]
 134                         minetest.get_node_timer(pos):start(1)
 135                 end
 136         end
 137 end)