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https://github.com/minetest/minetest_game.git
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Version MFF.
This commit is contained in:
sys4-fr
291
mods/flowers/mapgen.lua
Normal file → Executable file
291
mods/flowers/mapgen.lua
Normal file → Executable file
@ -1,62 +1,229 @@
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minetest.register_on_generated(function(minp, maxp, seed)
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if maxp.y >= 2 and minp.y <= 0 then
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-- Generate flowers
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local perlin1 = minetest.get_perlin(436, 3, 0.6, 100)
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-- Assume X and Z lengths are equal
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local divlen = 16
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local divs = (maxp.x-minp.x)/divlen+1;
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for divx=0,divs-1 do
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for divz=0,divs-1 do
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local x0 = minp.x + math.floor((divx+0)*divlen)
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local z0 = minp.z + math.floor((divz+0)*divlen)
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local x1 = minp.x + math.floor((divx+1)*divlen)
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local z1 = minp.z + math.floor((divz+1)*divlen)
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-- Determine flowers amount from perlin noise
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local grass_amount = math.floor(perlin1:get2d({x=x0, y=z0}) ^ 3 * 9)
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-- Find random positions for flowers based on this random
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local pr = PseudoRandom(seed+456)
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for i=0,grass_amount do
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local x = pr:next(x0, x1)
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local z = pr:next(z0, z1)
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-- Find ground level (0...15)
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local ground_y = nil
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for y=30,0,-1 do
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if minetest.get_node({x=x,y=y,z=z}).name ~= "air" then
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ground_y = y
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break
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end
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end
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if ground_y then
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local p = {x=x,y=ground_y+1,z=z}
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local nn = minetest.get_node(p).name
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-- Check if the node can be replaced
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if minetest.registered_nodes[nn] and
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minetest.registered_nodes[nn].buildable_to then
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nn = minetest.get_node({x=x,y=ground_y,z=z}).name
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if nn == "default:dirt_with_grass" then
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local flower_choice = pr:next(1, 6)
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local flower
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if flower_choice == 1 then
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flower = "flowers:tulip"
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elseif flower_choice == 2 then
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flower = "flowers:rose"
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elseif flower_choice == 3 then
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flower = "flowers:dandelion_yellow"
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elseif flower_choice == 4 then
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flower = "flowers:dandelion_white"
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elseif flower_choice == 5 then
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flower = "flowers:geranium"
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elseif flower_choice == 6 then
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flower = "flowers:viola"
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end
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minetest.set_node(p, {name=flower})
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end
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end
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end
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end
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end
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end
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end
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end)
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--
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-- Mgv6
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--
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local function register_mgv6_flower(name)
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minetest.register_decoration({
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deco_type = "simple",
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place_on = {"default:dirt_with_grass"},
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sidelen = 16,
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noise_params = {
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offset = 0,
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scale = 0.006,
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spread = {x = 100, y = 100, z = 100},
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seed = 436,
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octaves = 3,
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persist = 0.6
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},
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y_min = 1,
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y_max = 30,
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decoration = "flowers:"..name,
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})
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end
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local function register_mgv6_mushroom(name)
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minetest.register_decoration({
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deco_type = "simple",
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place_on = {"default:dirt_with_grass"},
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sidelen = 16,
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noise_params = {
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offset = 0,
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scale = 0.04,
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spread = {x = 100, y = 100, z = 100},
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seed = 7133,
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octaves = 3,
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persist = 0.6
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},
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y_min = 1,
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y_max = 30,
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decoration = "flowers:"..name,
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spawn_by = "default:tree",
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num_spawn_by = 1,
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})
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end
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local function register_mgv6_waterlily()
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minetest.register_decoration({
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deco_type = "schematic",
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place_on = {"default:dirt"},
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sidelen = 16,
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noise_params = {
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offset = -0.12,
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scale = 0.3,
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spread = {x = 100, y = 100, z = 100},
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seed = 33,
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octaves = 3,
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persist = 0.7
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},
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y_min = 0,
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y_max = 0,
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schematic = minetest.get_modpath("flowers").."/schematics/waterlily.mts",
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rotation = "random",
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})
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end
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function flowers.register_mgv6_decorations()
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register_mgv6_flower("rose")
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register_mgv6_flower("tulip")
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register_mgv6_flower("dandelion_yellow")
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register_mgv6_flower("geranium")
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register_mgv6_flower("viola")
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register_mgv6_flower("dandelion_white")
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register_mgv6_mushroom("mushroom_brown")
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register_mgv6_mushroom("mushroom_red")
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register_mgv6_waterlily()
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end
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--
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-- All other biome API mapgens
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--
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local function register_flower(seed, name)
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minetest.register_decoration({
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deco_type = "simple",
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place_on = {"default:dirt_with_grass"},
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sidelen = 16,
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noise_params = {
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offset = -0.015,
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scale = 0.025,
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spread = {x = 200, y = 200, z = 200},
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seed = seed,
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octaves = 3,
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persist = 0.6
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},
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biomes = {"stone_grassland", "sandstone_grassland",
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"deciduous_forest", "coniferous_forest"},
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y_min = 1,
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y_max = 31000,
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decoration = "flowers:"..name,
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})
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end
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local function register_mushroom(name)
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minetest.register_decoration({
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deco_type = "simple",
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place_on = {"default:dirt_with_grass"},
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sidelen = 16,
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noise_params = {
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offset = 0,
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scale = 0.006,
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spread = {x = 200, y = 200, z = 200},
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seed = 2,
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octaves = 3,
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persist = 0.66
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},
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biomes = {"deciduous_forest", "coniferous_forest"},
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y_min = 1,
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y_max = 31000,
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decoration = "flowers:"..name,
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})
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end
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local function register_waterlily()
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minetest.register_decoration({
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deco_type = "schematic",
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place_on = {"default:dirt"},
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sidelen = 16,
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noise_params = {
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offset = -0.12,
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scale = 0.3,
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spread = {x = 200, y = 200, z = 200},
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seed = 33,
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octaves = 3,
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persist = 0.7
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},
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biomes = {"rainforest_swamp", "savanna_swamp", "deciduous_forest_swamp"},
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y_min = 0,
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y_max = 0,
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schematic = minetest.get_modpath("flowers").."/schematics/waterlily.mts",
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rotation = "random",
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})
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end
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function flowers.register_decorations()
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register_flower(436, "rose")
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register_flower(19822, "tulip")
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register_flower(1220999, "dandelion_yellow")
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register_flower(36662, "geranium")
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register_flower(1133, "viola")
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register_flower(73133, "dandelion_white")
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register_mushroom("mushroom_brown")
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register_mushroom("mushroom_red")
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register_waterlily()
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end
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minetest.register_decoration({
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deco_type = "simple",
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place_on = {"default:water_source"},
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sidelen = 16,
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noise_params = {
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offset = 0,
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scale = 0.006,
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spread = {x=100, y=100, z=100},
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seed = 436,
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octaves = 3,
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persist = 0.6
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},
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y_min = -10,
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y_max = 30,
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decoration = "flowers:lily_pad",
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})
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minetest.register_decoration({
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deco_type = "simple",
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place_on = {"default:sand"},
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sidelen = 16,
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noise_params = {
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offset = 0,
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scale = 0.006,
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spread = {x=100, y=100, z=100},
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seed = 436,
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octaves = 3,
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persist = 0.6
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},
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y_min = -400,
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y_max = 400,
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decoration = "default:dry_shrub",
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})
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minetest.register_decoration({
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deco_type = "simple",
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place_on = {"default:snow"},
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sidelen = 16,
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noise_params = {
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offset = 0,
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scale = 0.006,
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spread = {x=100, y=100, z=100},
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seed = 436,
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octaves = 3,
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persist = 0.6
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},
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y_min = -400,
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y_max = 400,
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decoration = "default:snow",
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})
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--
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-- Detect mapgen to select functions
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--
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-- Mods using singlenode mapgen can call these functions to enable
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-- the use of minetest.generate_ores or minetest.generate_decorations
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local mg_params = minetest.get_mapgen_params() --(1) MFF IMPORTANT for mt <= 0.14.4 stable
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if mg_params.mgname == "v6" then --(1)
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--local mg_name = minetest.get_mapgen_setting("mg_name") --(2) for mt > 0.14.4 stable
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--if mg_name == "v6" then --(2)
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flowers.register_mgv6_decorations()
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elseif mg_params.mgname ~= "singlenode" then --(1)
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--elseif mg_name ~= "singlenode" then --(2)
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flowers.register_decorations()
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end
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