270 lines
8.4 KiB
Lua
270 lines
8.4 KiB
Lua
local sumpf_birch_seed = 113
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function sumpf_birch_get_random(pos)
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return PseudoRandom(math.abs(pos.x+pos.y*3+pos.z*5)+sumpf_birch_seed)
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end
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minetest.register_node("sumpf:sapling", {
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description = "Birch",
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drawtype = "plantlike",
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tiles = {"birke_sapling.png"},
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inventory_image = "birke_sapling.png",
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wield_image = "birke_sapling.png",
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paramtype = "light",
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walkable = false,
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groups = {snappy=2,dig_immediate=3,flammable=2,attached_node=1},
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sounds = default.node_sound_leaves_defaults(),
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furnace_burntime = 9,
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})
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minetest.register_node("sumpf:birk", {
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tiles = {"birke_mossytree.png"},
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inventory_image = "birke_mossytree.png^birke_sapling.png",
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paramtype = "light",
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stack_max = 1024,
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groups = {snappy=2,dig_immediate=3},
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sounds = default.node_sound_leaves_defaults(),
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on_construct = function(pos)
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mache_birke(pos)
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end,
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--[[ on_use = function()
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mache_birke(pos)
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end,]]
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})
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minetest.register_node("sumpf:leaves", {
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description = "Birch Leaves",
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drawtype = "glasslike",
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tiles = {"birke_leaves.png"},
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paramtype = "light",
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groups = {snappy=3, leafdecay=3, flammable=2, leaves=1},
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drop = {
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max_items = 1,
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items = {
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{
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items = {'sumpf:sapling'},
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rarity = 20,
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},
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{
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items = {'sumpf:leaves'},
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rarity = 20,
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}
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}
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},
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sounds = default.node_sound_leaves_defaults(),
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})
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minetest.register_node("sumpf:tree", {
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description = "Birch Trunk",
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tiles = {"birke_tree_top.png", "birke_tree_top.png", "birke_tree.png"},
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groups = {tree=1,snappy=1,choppy=2,oddly_breakable_by_hand=1,flammable=2},
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sounds = default.node_sound_wood_defaults(),
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})
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minetest.register_node("sumpf:tree_horizontal", {
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description = "Horizontal Birch Trunk",
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tiles = {"birke_tree.png", "birke_tree.png", "birke_tree.png^[transformR90", --transform is useful
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"birke_tree.png^[transformR90", "birke_tree_top.png", "birke_tree_top.png"},
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paramtype2 = "facedir",
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legacy_facedir_simple = true,
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groups = {tree=1,snappy=1,choppy=2,oddly_breakable_by_hand=1,flammable=2},
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sounds = default.node_sound_wood_defaults(),
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})
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minetest.register_node("sumpf:mossytree", {
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description = "Mossy Birch Trunk",
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tiles = {"birke_tree_top.png", "sumpf.png", "birke_mossytree.png"},
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groups = {tree=1,snappy=1,choppy=2,oddly_breakable_by_hand=1,flammable=2},
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sounds = default.node_sound_wood_defaults(),
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})
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local function tree_crafts(input)
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local hori = input.."_horizontal"
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minetest.register_craft({
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output = 'default:wood 4',
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recipe = {{input},}
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})
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minetest.register_craft({
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output = 'default:wood 4',
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recipe = {{hori},}
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})
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minetest.register_craft({
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output = hori.." 2",
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recipe = {{input, input},}
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})
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minetest.register_craft({
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output = input.." 2",
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recipe = {{hori},
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{hori}}
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})
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end
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tree_crafts("sumpf:tree")
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minetest.register_craft({
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output = 'default:wood 4',
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recipe = {{"sumpf:mossytree"},}
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})
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function sumpf_get_volume(pos1, pos2)
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return (pos2.x - pos1.x + 1) * (pos2.y - pos1.y + 1) * (pos2.z - pos1.z + 1)
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end
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sumpf_c_air = minetest.get_content_id("air")
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sumpf_c_mossytree = minetest.get_content_id("sumpf:mossytree")
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sumpf_c_tree = minetest.get_content_id("sumpf:tree")
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sumpf_c_tree_horizontal = minetest.get_content_id("sumpf:tree_horizontal")
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sumpf_c_leaves = minetest.get_content_id("sumpf:leaves")
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sumpf_ndtable = {sumpf_c_tree_horizontal, sumpf_c_leaves}
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local function tree_branch(pos, dir)
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if dir == 0 then
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nodes[area:index(pos.x, pos.y, pos.z)] = sumpf_c_tree_horizontal
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else
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tab[num] = pos
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num = num+1
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end
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for i = sumpf_birch_pr:next(1,2), -sumpf_birch_pr:next(1,2), -1 do
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for k = sumpf_birch_pr:next(1,2), -sumpf_birch_pr:next(1,2), -1 do
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local p_p = area:index(pos.x+i, pos.y, pos.z+k)
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if nodes[p_p] == sumpf_c_air then
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nodes[p_p] = sumpf_c_leaves
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end
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local chance = math.abs(i+k)
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if (chance < 1) then
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local p_p = area:index(pos.x+i, pos.y+1, pos.z+k)
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if nodes[p_p] == sumpf_c_air then
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nodes[p_p] = sumpf_c_leaves
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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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function mache_birke(pos, generated)
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local t1 = os.clock()
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local manip = minetest.get_voxel_manip()
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local vwidth = 7
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local vheight = 13
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local emerged_pos1, emerged_pos2 = manip:read_from_map({x=pos.x-vwidth, y=pos.y-3, z=pos.z-vwidth},
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{x=pos.x+vwidth, y=pos.y+vheight, z=pos.z+vwidth})
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area = VoxelArea:new({MinEdge=emerged_pos1, MaxEdge=emerged_pos2})
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nodes = manip:get_data()
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sumpf_birch_pr = sumpf_birch_get_random(pos)
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num = 1
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tab = {}
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nodes[area:index(pos.x, pos.y, pos.z)] = sumpf_c_mossytree
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local height = 3 + sumpf_birch_pr:next(1,2)
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for i = height, 1, -1 do
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local p = {x=pos.x, y=pos.y+i, z=pos.z}
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nodes[area:index(p.x, p.y, p.z)] = sumpf_c_tree
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if (math.sin(i/height*i) < 0.2 and i > 3 and sumpf_birch_pr:next(0,2) < 1.5) then
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branch_pos = {x=pos.x+sumpf_birch_pr:next(0,1), y=pos.y+i, z=pos.z-sumpf_birch_pr:next(0,1)}
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tree_branch(branch_pos, sumpf_birch_pr:next(0,1))
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end
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end
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tree_branch({x=pos.x, y=pos.y+height+sumpf_birch_pr:next(0,1),z=pos.z}, sumpf_birch_pr:next(0,1))
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tree_branch({x=pos.x+1, y=pos.y+height-sumpf_birch_pr:next(1,2), z=pos.z,}, 1)
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tree_branch({x=pos.x-1, y=pos.y+height-sumpf_birch_pr:next(1,2), z=pos.z}, 1)
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tree_branch({x=pos.x, y=pos.y+height-sumpf_birch_pr:next(1,2), z=pos.z+1}, 0)
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tree_branch({x=pos.x, y=pos.y+height-sumpf_birch_pr:next(1,2), z=pos.z-1}, 0)
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manip:set_data(nodes)
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manip:write_to_map()
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if not generated then --info
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if sumpf_info_birch then
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print(string.format("[sumpf] a birch grew at ("..pos.x.."|"..pos.y.."|"..pos.z..") after: %.2fs", os.clock() - t1))
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local t1 = os.clock()
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manip:update_map()
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print(string.format("[sumpf] map updated after: %.2fs", os.clock() - t1))
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t1 = os.clock()
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else
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manip:update_map()
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end
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end
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t1 = os.clock()
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for _,p in ipairs(tab) do
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minetest.set_node(p, {name="sumpf:tree_horizontal", param2=1})
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end
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if sumpf_info_birch then
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print(string.format("[sumpf] h1trees set after ca. %.2fs", os.clock() - t1))
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end
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end
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--[[
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local function add_tree_branch(pos, dir)
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minetest.env:set_node(pos, {name="sumpf:tree_horizontal", param2=dir})
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for i = math.random(2), -math.random(2), -1 do
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for k = math.random(2), -math.random(2), -1 do
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local p = {x=pos.x+i, y=pos.y, z=pos.z+k}
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local n = minetest.env:get_node(p)
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if (n.name=="air") then
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minetest.env:add_node(p, {name="sumpf:leaves"})
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end
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local chance = math.abs(i+k)
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if (chance < 1) then
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p = {x=pos.x+i, y=pos.y+1, z=pos.z+k}
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n = minetest.env:get_node(p)
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if (n.name=="air") then
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minetest.env:add_node(p, {name="sumpf:leaves"})
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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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function mache_birke(pos)
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local t1 = os.clock()
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minetest.env:add_node(pos, {name="sumpf:mossytree"})
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local height = 3 + math.random(2)
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for i = height, 1, -1 do
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local p = {x=pos.x, y=pos.y+i, z=pos.z}
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minetest.env:add_node(p, {name="sumpf:tree"})
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if (math.sin(i/height*i) < 0.2 and i > 3 and math.random(0,2) < 1.5) then
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branch_pos = {x=pos.x+math.random(0,1), y=pos.y+i, z=pos.z-math.random(0,1)}
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add_tree_branch(branch_pos, math.random(1,2))
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end
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end
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add_tree_branch({x=pos.x, y=pos.y+height+math.random(0, 1),z=pos.z}, math.random(1,2))
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add_tree_branch({x=pos.x+1, y=pos.y+height-math.random(2), z=pos.z,}, 1)
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add_tree_branch({x=pos.x-1, y=pos.y+height-math.random(2), z=pos.z}, 1)
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add_tree_branch({x=pos.x, y=pos.y+height-math.random(2), z=pos.z+1}, 2)
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add_tree_branch({x=pos.x, y=pos.y+height-math.random(2), z=pos.z-1}, 2)
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if sumpf_info_birch then
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print(string.format("[sumpf] a birch grew at ("..pos.x.."|"..pos.y.."|"..pos.z..") in: %.2fms", (os.clock() - t1) * 1000))
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end
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end]]
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minetest.register_abm({
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nodenames = {"sumpf:sapling"},
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neighbors = {"group:soil"},
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interval = 20,
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chance = 8,
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action = function(pos)
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if minetest.get_item_group(minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z}).name, "soil") ~= 1
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or not minetest.get_node_light(pos) then
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return
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end
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if minetest.env:get_node_light(pos, nil) > 7 then
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mache_birke(pos)
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end
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end
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})
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if sumpf.spawn_plants
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and minetest.get_modpath("habitat") then
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habitat:generate("sumpf:sapling", {"default:dirt_with_grass"},
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minp, maxp, 20, 25, 100, 500, {"default:water_source"},30,{"default:desert_sand"})
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habitat:generate("sumpf:gras", {"default:dirt_with_grass"},
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minp, maxp, 0, 25, 90, 100, {"default:water_source"},30,{"default:desert_sand"})
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end
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