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- -- mods/default/functions.lua
- --
- -- Sounds
- --
- function default.node_sound_defaults(table)
- table = table or {}
- table.footstep = table.footstep or
- {name="", gain=1.0}
- table.dug = table.dug or
- {name="default_dug_node", gain=0.25}
- table.place = table.place or
- {name="default_place_node_hard", gain=1.0}
- return table
- end
- function default.node_sound_stone_defaults(table)
- table = table or {}
- table.footstep = table.footstep or
- {name="default_hard_footstep", gain=0.5}
- table.dug = table.dug or
- {name="default_hard_footstep", gain=1.0}
- default.node_sound_defaults(table)
- return table
- end
- function default.node_sound_dirt_defaults(table)
- table = table or {}
- table.footstep = table.footstep or
- {name="default_dirt_footstep", gain=1.0}
- table.dug = table.dug or
- {name="default_dirt_footstep", gain=1.5}
- table.place = table.place or
- {name="default_place_node", gain=1.0}
- default.node_sound_defaults(table)
- return table
- end
- function default.node_sound_sand_defaults(table)
- table = table or {}
- table.footstep = table.footstep or
- {name="default_sand_footstep", gain=0.5}
- table.dug = table.dug or
- {name="default_sand_footstep", gain=1.0}
- table.place = table.place or
- {name="default_place_node", gain=1.0}
- default.node_sound_defaults(table)
- return table
- end
- function default.node_sound_wood_defaults(table)
- table = table or {}
- table.footstep = table.footstep or
- {name="default_wood_footstep", gain=0.5}
- table.dug = table.dug or
- {name="default_wood_footstep", gain=1.0}
- default.node_sound_defaults(table)
- return table
- end
- function default.node_sound_leaves_defaults(table)
- table = table or {}
- table.footstep = table.footstep or
- {name="default_grass_footstep", gain=0.35}
- table.dug = table.dug or
- {name="default_grass_footstep", gain=0.85}
- table.dig = table.dig or
- {name="default_dig_crumbly", gain=0.4}
- table.place = table.place or
- {name="default_place_node", gain=1.0}
- default.node_sound_defaults(table)
- return table
- end
- function default.node_sound_glass_defaults(table)
- table = table or {}
- table.footstep = table.footstep or
- {name="default_glass_footstep", gain=0.5}
- table.dug = table.dug or
- {name="default_break_glass", gain=1.0}
- default.node_sound_defaults(table)
- return table
- end
- --
- -- Legacy
- --
- function default.spawn_falling_node(p, nodename)
- spawn_falling_node(p, nodename)
- end
- -- Horrible crap to support old code
- -- Don't use this and never do what this does, it's completely wrong!
- -- (More specifically, the client and the C++ code doesn't get the group)
- function default.register_falling_node(nodename, texture)
- minetest.log("error", debug.traceback())
- minetest.log('error', "WARNING: default.register_falling_node is deprecated")
- if minetest.registered_nodes[nodename] then
- minetest.registered_nodes[nodename].groups.falling_node = 1
- end
- end
- --
- -- Global callbacks
- --
- -- Global environment step function
- function on_step(dtime)
- -- print("on_step")
- end
- minetest.register_globalstep(on_step)
- function on_placenode(p, node)
- --print("on_placenode")
- end
- minetest.register_on_placenode(on_placenode)
- function on_dignode(p, node)
- --print("on_dignode")
- end
- minetest.register_on_dignode(on_dignode)
- function on_punchnode(p, node)
- end
- minetest.register_on_punchnode(on_punchnode)
- --
- -- Grow trees
- --
- minetest.register_abm({
- nodenames = {"default:sapling"},
- interval = 10,
- chance = 50,
- action = function(pos, node)
- local nu = minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z}).name
- local is_soil = minetest.get_item_group(nu, "soil")
- if is_soil == 0 then
- return
- end
-
- minetest.log("action", "A sapling grows into a tree at "..minetest.pos_to_string(pos))
- local vm = minetest.get_voxel_manip()
- local minp, maxp = vm:read_from_map({x=pos.x-16, y=pos.y, z=pos.z-16}, {x=pos.x+16, y=pos.y+16, z=pos.z+16})
- local a = VoxelArea:new{MinEdge=minp, MaxEdge=maxp}
- local data = vm:get_data()
- default.grow_tree(data, a, pos, math.random(1, 4) == 1, math.random(1,100000))
- vm:set_data(data)
- vm:write_to_map(data)
- vm:update_map()
- end
- })
- minetest.register_abm({
- nodenames = {"default:junglesapling"},
- interval = 10,
- chance = 50,
- action = function(pos, node)
- local nu = minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z}).name
- local is_soil = minetest.get_item_group(nu, "soil")
- if is_soil == 0 then
- return
- end
-
- minetest.log("action", "A jungle sapling grows into a tree at "..minetest.pos_to_string(pos))
- local vm = minetest.get_voxel_manip()
- local minp, maxp = vm:read_from_map({x=pos.x-16, y=pos.y-1, z=pos.z-16}, {x=pos.x+16, y=pos.y+16, z=pos.z+16})
- local a = VoxelArea:new{MinEdge=minp, MaxEdge=maxp}
- local data = vm:get_data()
- default.grow_jungletree(data, a, pos, math.random(1,100000))
- vm:set_data(data)
- vm:write_to_map(data)
- vm:update_map()
- end
- })
- --
- -- Lavacooling
- --
- default.cool_lava_source = function(pos)
- minetest.set_node(pos, {name="default:obsidian"})
- minetest.sound_play("default_cool_lava", {pos = pos, gain = 0.25})
- end
- default.cool_lava_flowing = function(pos)
- minetest.set_node(pos, {name="default:stone"})
- minetest.sound_play("default_cool_lava", {pos = pos, gain = 0.25})
- end
- minetest.register_abm({
- nodenames = {"default:lava_flowing"},
- neighbors = {"group:water"},
- interval = 1,
- chance = 1,
- action = function(pos, node, active_object_count, active_object_count_wider)
- default.cool_lava_flowing(pos, node, active_object_count, active_object_count_wider)
- end,
- })
- minetest.register_abm({
- nodenames = {"default:lava_source"},
- neighbors = {"group:water"},
- interval = 1,
- chance = 1,
- action = function(pos, node, active_object_count, active_object_count_wider)
- default.cool_lava_source(pos, node, active_object_count, active_object_count_wider)
- end,
- })
- --
- -- Papyrus and cactus growing
- --
- minetest.register_abm({
- nodenames = {"default:cactus"},
- neighbors = {"group:sand"},
- interval = 50,
- chance = 20,
- action = function(pos, node)
- pos.y = pos.y-1
- local name = minetest.get_node(pos).name
- if minetest.get_item_group(name, "sand") ~= 0 then
- pos.y = pos.y+1
- local height = 0
- while minetest.get_node(pos).name == "default:cactus" and height < 4 do
- height = height+1
- pos.y = pos.y+1
- end
- if height < 4 then
- if minetest.get_node(pos).name == "air" then
- minetest.set_node(pos, {name="default:cactus"})
- end
- end
- end
- end,
- })
- minetest.register_abm({
- nodenames = {"default:papyrus"},
- neighbors = {"default:dirt", "default:dirt_with_grass"},
- interval = 50,
- chance = 20,
- action = function(pos, node)
- pos.y = pos.y-1
- local name = minetest.get_node(pos).name
- if name == "default:dirt" or name == "default:dirt_with_grass" then
- if minetest.find_node_near(pos, 3, {"group:water"}) == nil then
- return
- end
- pos.y = pos.y+1
- local height = 0
- while minetest.get_node(pos).name == "default:papyrus" and height < 4 do
- height = height+1
- pos.y = pos.y+1
- end
- if height < 4 then
- if minetest.get_node(pos).name == "air" then
- minetest.set_node(pos, {name="default:papyrus"})
- end
- end
- end
- end,
- })
- --
- -- dig upwards
- --
- function default.dig_up(pos, node, digger)
- if digger == nil then return end
- local np = {x = pos.x, y = pos.y + 1, z = pos.z}
- local nn = minetest.get_node(np)
- if nn.name == node.name then
- minetest.node_dig(np, nn, digger)
- end
- end
- --
- -- Leafdecay
- --
- -- To enable leaf decay for a node, add it to the "leafdecay" group.
- --
- -- The rating of the group determines how far from a node in the group "tree"
- -- the node can be without decaying.
- --
- -- If param2 of the node is ~= 0, the node will always be preserved. Thus, if
- -- the player places a node of that kind, you will want to set param2=1 or so.
- --
- -- If the node is in the leafdecay_drop group then the it will always be dropped
- -- as an item
- default.leafdecay_trunk_cache = {}
- default.leafdecay_enable_cache = true
- -- Spread the load of finding trunks
- default.leafdecay_trunk_find_allow_accumulator = 0
- minetest.register_globalstep(function(dtime)
- local finds_per_second = 5000
- default.leafdecay_trunk_find_allow_accumulator =
- math.floor(dtime * finds_per_second)
- end)
- minetest.register_abm({
- nodenames = {"group:leafdecay"},
- neighbors = {"air", "group:liquid"},
- -- A low interval and a high inverse chance spreads the load
- interval = 2,
- chance = 5,
- action = function(p0, node, _, _)
- --print("leafdecay ABM at "..p0.x..", "..p0.y..", "..p0.z..")")
- local do_preserve = false
- local d = minetest.registered_nodes[node.name].groups.leafdecay
- if not d or d == 0 then
- --print("not groups.leafdecay")
- return
- end
- local n0 = minetest.get_node(p0)
- if n0.param2 ~= 0 then
- --print("param2 ~= 0")
- return
- end
- local p0_hash = nil
- if default.leafdecay_enable_cache then
- p0_hash = minetest.hash_node_position(p0)
- local trunkp = default.leafdecay_trunk_cache[p0_hash]
- if trunkp then
- local n = minetest.get_node(trunkp)
- local reg = minetest.registered_nodes[n.name]
- -- Assume ignore is a trunk, to make the thing work at the border of the active area
- if n.name == "ignore" or (reg and reg.groups.tree and reg.groups.tree ~= 0) then
- --print("cached trunk still exists")
- return
- end
- --print("cached trunk is invalid")
- -- Cache is invalid
- table.remove(default.leafdecay_trunk_cache, p0_hash)
- end
- end
- if default.leafdecay_trunk_find_allow_accumulator <= 0 then
- return
- end
- default.leafdecay_trunk_find_allow_accumulator =
- default.leafdecay_trunk_find_allow_accumulator - 1
- -- Assume ignore is a trunk, to make the thing work at the border of the active area
- local p1 = minetest.find_node_near(p0, d, {"ignore", "group:tree"})
- if p1 then
- do_preserve = true
- if default.leafdecay_enable_cache then
- --print("caching trunk")
- -- Cache the trunk
- default.leafdecay_trunk_cache[p0_hash] = p1
- end
- end
- if not do_preserve then
- -- Drop stuff other than the node itself
- itemstacks = minetest.get_node_drops(n0.name)
- for _, itemname in ipairs(itemstacks) do
- if minetest.get_item_group(n0.name, "leafdecay_drop") ~= 0 or
- itemname ~= n0.name then
- local p_drop = {
- x = p0.x - 0.5 + math.random(),
- y = p0.y - 0.5 + math.random(),
- z = p0.z - 0.5 + math.random(),
- }
- minetest.add_item(p_drop, itemname)
- end
- end
- -- Remove node
- minetest.remove_node(p0)
- nodeupdate(p0)
- end
- end
- })
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