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437 lines
12 KiB
Lua
Executable File
437 lines
12 KiB
Lua
Executable File
-- mods/default/functions.lua
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--
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-- Sounds
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--
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function default.node_sound_defaults(table)
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table = table or {}
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table.footstep = table.footstep or
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{name = "default_hard_footstep", gain = 0.6}
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table.dig = table.dig or
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{name = "default_hard_footstep", gain = 0.7}
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table.dug = table.dug or
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{name = "default_hard_footstep", gain = 0.8}
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table.place = table.place or
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{name = "default_hard_footstep", gain = 0.8}
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return table
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end
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function default.node_sound_stone_defaults(table)
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table = table or {}
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table.footstep = table.footstep or
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{name = "default_hard_footstep", gain = 0.6}
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table.dig = table.dig or
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{name = "default_hard_footstep", gain = 0.7}
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table.dug = table.dug or
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{name = "default_hard_footstep", gain = 0.8}
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table.place = table.place or
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{name = "default_hard_footstep", gain = 0.8}
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default.node_sound_defaults(table)
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return table
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end
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function default.node_sound_metal_defaults(table)
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table = table or {}
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table.footstep = table.footstep or
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{name = "default_metal_footstep", gain = 0.575}
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table.dig = table.dig or
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{name = "default_metal_footstep", gain = 0.65}
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table.dug = table.dug or
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{name = "default_metal_footstep", gain = 0.8}
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table.place = table.place or
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{name = "default_metal_footstep", gain = 0.8}
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default.node_sound_defaults(table)
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return table
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end
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function default.node_sound_dirt_defaults(table)
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table = table or {}
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table.footstep = table.footstep or
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{name = "default_dirt_footstep", gain = 0.8}
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table.dig = table.dig or
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{name = "default_dirt_footstep", gain = 0.9}
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table.dug = table.dug or
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{name = "default_dirt_footstep", gain = 1.0}
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table.place = table.place or
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{name = "default_dirt_footstep", gain = 1.0}
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default.node_sound_defaults(table)
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return table
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end
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function default.node_sound_gravel_defaults(table)
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table = table or {}
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table.footstep = table.footstep or
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{name = "default_dirt_footstep", gain = 0.8}
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table.dig = table.dig or
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{name = "default_dirt_footstep", gain = 0.9}
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table.dug = table.dug or
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{name = "default_dirt_footstep", gain = 1.0}
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table.place = table.place or
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{name = "default_dirt_footstep", gain = 1.0}
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default.node_sound_defaults(table)
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return table
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end
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function default.node_sound_sand_defaults(table)
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table = table or {}
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table.footstep = table.footstep or
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{name = "default_sand_footstep", gain = 0.6}
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table.dig = table.dig or
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{name = "default_sand_footstep", gain = 0.7}
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table.dug = table.dug or
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{name = "default_sand_footstep", gain = 0.8}
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table.place = table.place or
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{name = "default_sand_footstep", gain = 0.8}
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default.node_sound_defaults(table)
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return table
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end
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function default.node_sound_wood_defaults(table)
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table = table or {}
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table.footstep = table.footstep or
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{name = "default_wood_footstep", gain = 0.625}
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table.dig = table.dig or
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{name = "default_wood_footstep", gain = 0.7}
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table.dug = table.dug or
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{name = "default_wood_footstep", gain = 0.8}
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table.place = table.place or
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{name = "default_wood_footstep", gain = 0.8}
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default.node_sound_defaults(table)
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return table
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end
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function default.node_sound_leaves_defaults(table)
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table = table or {}
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table.footstep = table.footstep or
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{name = "default_grass_footstep", gain = 0.6}
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table.dig = table.dig or
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{name = "default_grass_footstep", gain = 0.7}
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table.dug = table.dug or
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{name = "default_snow_footstep", gain = 0.8}
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table.place = table.place or
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{name = "default_snow_footstep", gain = 0.8}
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default.node_sound_defaults(table)
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return table
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end
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function default.node_sound_glass_defaults(table)
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table = table or {}
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table.footstep = table.footstep or
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{name = "default_hard_footstep", gain = 0.55}
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table.dig = table.dig or
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{name = "default_hard_footstep", gain = 0.65}
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table.dug = table.dug or
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{name = "default_break_glass", gain = 0.8}
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table.place = table.place or
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{name = "default_hard_footstep", gain = 0.75}
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default.node_sound_defaults(table)
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return table
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end
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--
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-- Lavacooling
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--
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local function cool_wf_vm(pos, node1, node2)
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local t1 = os.clock()
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local minp = vector.subtract(pos, 10)
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local maxp = vector.add(pos, 10)
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local manip = minetest.get_voxel_manip()
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local emerged_pos1, emerged_pos2 = manip:read_from_map(minp, maxp)
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local area = VoxelArea:new({MinEdge=emerged_pos1, MaxEdge=emerged_pos2})
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local nodes = manip:get_data()
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local stone = minetest.get_content_id(node2)
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local lava = minetest.get_content_id(node1)
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for i in area:iterp(minp, maxp) do
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local p = area:position(i)
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if nodes[i] == lava and minetest.find_node_near(p, 1, {"group:water"}) then
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nodes[i] = stone
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end
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end
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manip:set_data(nodes)
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manip:write_to_map()
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-- minetest.log("action", "Lava cooling happened at (" .. pos.x .. "," .. pos.y .. "," .. pos.z .. ").")
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local t1 = os.clock()
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manip:update_map()
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-- minetest.log("action", string.format("Lava cooling updated the map after ca. %.2fs.", os.clock() - t1))
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end
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local del1 = 0
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local count = 0
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default.cool_lava_source = function(pos)
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minetest.set_node(pos, {name = "default:obsidian"})
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minetest.sound_play("default_cool_lava",
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{pos = pos, max_hear_distance = 16, gain = 0.25})
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end
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default.cool_lava_flowing = function(pos)
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minetest.set_node(pos, {name = "default:stone"})
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minetest.sound_play("default_cool_lava",
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{pos = pos, max_hear_distance = 16, gain = 0.25})
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end
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minetest.register_abm({
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nodenames = {"default:lava_flowing"},
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neighbors = {"group:water"},
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interval = 1,
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chance = 2,
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action = function(...)
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default.cool_lava_flowing(...)
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end,
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})
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minetest.register_abm({
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nodenames = {"default:lava_source"},
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neighbors = {"group:water"},
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interval = 1,
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chance = 2,
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action = function(...)
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default.cool_lava_source(...)
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end,
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})
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--
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-- Papyrus and cactus growing
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--
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-- wrapping the functions in abm action is necessary to make overriding them possible
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function default.grow_cactus(pos, node)
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if node.param2 >= 4 then
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return
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end
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pos.y = pos.y - 1
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local name = minetest.get_node(pos).name --MFF
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if minetest.get_item_group(name, "sand") == 0 and name ~= "default:dirt_with_dry_grass" then --MFF
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return
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end
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pos.y = pos.y + 1
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local height = 0
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while node.name == "default:cactus" and height < 4 do
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height = height + 1
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pos.y = pos.y + 1
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node = minetest.get_node(pos)
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end
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if height == 4 or node.name ~= "air" then
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return
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end
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minetest.set_node(pos, {name = "default:cactus"})
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return true
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end
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function default.grow_papyrus(pos, node)
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pos.y = pos.y - 1
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local name = minetest.get_node(pos).name
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if name ~= "default:dirt_with_grass" and name ~= "default:dirt" and name ~= "default:sand" and name ~= "default:desert_sand" then --MFF
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return
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end
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if not minetest.find_node_near(pos, 3, {"group:water"}) then
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return
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end
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pos.y = pos.y + 1
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local height = 0
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while node.name == "default:papyrus" and height < 4 do
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height = height + 1
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pos.y = pos.y + 1
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node = minetest.get_node(pos)
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end
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if height == 4 or node.name ~= "air" then
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return
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end
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minetest.set_node(pos, {name = "default:papyrus"})
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return true
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end
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minetest.register_abm({
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nodenames = {"default:cactus"},
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neighbors = {"group:sand", "default:dirt_with_dry_grass"}, --MFF
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interval = 60,
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chance = 25,
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action = function(...)
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default.grow_cactus(...)
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end
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})
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minetest.register_abm({
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nodenames = {"default:papyrus"},
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neighbors = {"default:dirt", "default:dirt_with_grass", "default:sand", "default:desert_sand"}, --MFF
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interval = 60,
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chance = 25,
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action = function(...)
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default.grow_papyrus(...)
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end
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})
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--
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-- dig upwards
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--
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function default.dig_up(pos, node, digger)
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if digger == nil then return end
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local np = {x = pos.x, y = pos.y + 1, z = pos.z}
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local nn = minetest.get_node(np)
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if nn.name == node.name then
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minetest.node_dig(np, nn, digger)
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end
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end
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--
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-- Leafdecay
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--
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default.leafdecay_trunk_cache = {}
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default.leafdecay_enable_cache = true
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-- Spread the load of finding trunks
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default.leafdecay_trunk_find_allow_accumulator = 0
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minetest.register_globalstep(function(dtime)
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local finds_per_second = 5000
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default.leafdecay_trunk_find_allow_accumulator =
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math.floor(dtime * finds_per_second)
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end)
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default.after_place_leaves = function(pos, placer, itemstack, pointed_thing)
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local node = minetest.get_node(pos)
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node.param2 = 1
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minetest.set_node(pos, node)
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end
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minetest.register_abm({
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nodenames = {"group:leafdecay"},
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neighbors = {"air", "group:liquid"},
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-- A low interval and a high inverse chance spreads the load
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interval = 1,
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chance = 2,
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action = function(p0, node, _, _)
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--print("leafdecay ABM at "..p0.x..", "..p0.y..", "..p0.z..")")
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local do_preserve = false
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local d = minetest.registered_nodes[node.name].groups.leafdecay
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if not d or d == 0 then
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--print("not groups.leafdecay")
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return
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end
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local n0 = minetest.get_node(p0)
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if n0.param2 ~= 0 then
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--print("param2 ~= 0")
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return
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end
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local p0_hash = nil
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if default.leafdecay_enable_cache then
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p0_hash = minetest.hash_node_position(p0)
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local trunkp = default.leafdecay_trunk_cache[p0_hash]
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if trunkp then
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local n = minetest.get_node(trunkp)
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local reg = minetest.registered_nodes[n.name]
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-- Assume ignore is a trunk, to make the thing
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-- work at the border of the active area
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if n.name == "ignore" or (reg and reg.groups.tree and
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reg.groups.tree ~= 0) then
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--print("cached trunk still exists")
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return
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end
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--print("cached trunk is invalid")
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-- Cache is invalid
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table.remove(default.leafdecay_trunk_cache, p0_hash)
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end
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end
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if default.leafdecay_trunk_find_allow_accumulator <= 0 then
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return
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end
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default.leafdecay_trunk_find_allow_accumulator =
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default.leafdecay_trunk_find_allow_accumulator - 1
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-- Assume ignore is a trunk, to make the thing
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-- work at the border of the active area
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local p1 = minetest.find_node_near(p0, d, {"ignore", "group:tree"})
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if p1 then
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do_preserve = true
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if default.leafdecay_enable_cache then
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--print("caching trunk")
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-- Cache the trunk
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default.leafdecay_trunk_cache[p0_hash] = p1
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end
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end
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if not do_preserve then
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-- Drop stuff other than the node itself
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local itemstacks = minetest.get_node_drops(n0.name)
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for _, itemname in ipairs(itemstacks) do
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if minetest.get_item_group(n0.name, "leafdecay_drop") ~= 0 or
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itemname ~= n0.name then
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local p_drop = {
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x = p0.x - 0.5 + math.random(),
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y = p0.y - 0.5 + math.random(),
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z = p0.z - 0.5 + math.random(),
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}
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minetest.add_item(p_drop, itemname)
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end
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end
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-- Remove node
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local n = minetest.get_node(p0).name
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minetest.remove_node(p0)
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minetest.add_item(p0, {name = n})
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nodeupdate(p0)
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end
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end
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})
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minetest.register_on_placenode(function(pos, newnode, placer, oldnode, itemstack, pointed_thing)
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if newnode.name ~= "default:torch" or minetest.get_item_group(oldnode.name, "water") == 0 then
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return
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end
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minetest.remove_node(pos, newnode)
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minetest.set_node(pos, oldnode)
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minetest.add_item(pos, "default:torch")
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end)
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--
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-- Grass growing
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--
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minetest.register_abm({
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nodenames = {"default:dirt"},
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interval = 30,
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chance = 5,
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action = function(pos, node)
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local above = {x = pos.x, y = pos.y + 1, z = pos.z}
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local name = minetest.get_node(above).name
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local nodedef = minetest.registered_nodes[name]
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if nodedef and (nodedef.sunlight_propagates or nodedef.paramtype == "light") and
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nodedef.liquidtype == "none" and
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pos.y >= 0 and
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(minetest.get_node_light(above) or 0) >= 12 then
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if name == "default:snow" or name == "default:snowblock" then
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minetest.set_node(pos, {name = "default:dirt_with_snow"})
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else
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minetest.set_node(pos, {name = "default:dirt_with_grass"})
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end
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end
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end
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})
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minetest.register_abm({
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nodenames = {"default:dirt_with_grass", "default:dirt_with_dry_grass"},
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interval = 2,
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chance = 20,
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action = function(pos, node)
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local above = {x = pos.x, y = pos.y + 1, z = pos.z}
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local name = minetest.get_node(above).name
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local nodedef = minetest.registered_nodes[name]
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if name ~= "ignore" and nodedef and not ((nodedef.sunlight_propagates or
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nodedef.paramtype == "light") and
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nodedef.liquidtype == "none") then
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minetest.set_node(pos, {name = "default:dirt"})
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end
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end
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})
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