1 -- mods/default/functions.lua
7 function default.node_sound_defaults(table)
9 table.footstep = table.footstep or
10 {name = "", gain = 1.0}
11 table.dug = table.dug or
12 {name = "default_dug_node", gain = 0.25}
13 table.place = table.place or
14 {name = "default_place_node_hard", gain = 1.0}
18 function default.node_sound_stone_defaults(table)
20 table.footstep = table.footstep or
21 {name = "default_hard_footstep", gain = 0.5}
22 table.dug = table.dug or
23 {name = "default_hard_footstep", gain = 1.0}
24 default.node_sound_defaults(table)
28 function default.node_sound_dirt_defaults(table)
30 table.footstep = table.footstep or
31 {name = "default_dirt_footstep", gain = 1.0}
32 table.dug = table.dug or
33 {name = "default_dirt_footstep", gain = 1.5}
34 table.place = table.place or
35 {name = "default_place_node", gain = 1.0}
36 default.node_sound_defaults(table)
40 function default.node_sound_sand_defaults(table)
42 table.footstep = table.footstep or
43 {name = "default_sand_footstep", gain = 0.2}
44 table.dug = table.dug or
45 {name = "default_sand_footstep", gain = 0.4}
46 table.place = table.place or
47 {name = "default_place_node", gain = 1.0}
48 default.node_sound_defaults(table)
52 function default.node_sound_wood_defaults(table)
54 table.footstep = table.footstep or
55 {name = "default_wood_footstep", gain = 0.5}
56 table.dug = table.dug or
57 {name = "default_wood_footstep", gain = 1.0}
58 default.node_sound_defaults(table)
62 function default.node_sound_leaves_defaults(table)
64 table.footstep = table.footstep or
65 {name = "default_grass_footstep", gain = 0.35}
66 table.dug = table.dug or
67 {name = "default_grass_footstep", gain = 0.7}
68 table.dig = table.dig or
69 {name = "default_dig_crumbly", gain = 0.4}
70 table.place = table.place or
71 {name = "default_place_node", gain = 1.0}
72 default.node_sound_defaults(table)
76 function default.node_sound_glass_defaults(table)
78 table.footstep = table.footstep or
79 {name = "default_glass_footstep", gain = 0.5}
80 table.dug = table.dug or
81 {name = "default_break_glass", gain = 1.0}
82 default.node_sound_defaults(table)
91 default.cool_lava_source = function(pos)
92 minetest.set_node(pos, {name = "default:obsidian"})
93 minetest.sound_play("default_cool_lava", {pos = pos, gain = 0.25})
96 default.cool_lava_flowing = function(pos)
97 minetest.set_node(pos, {name = "default:stone"})
98 minetest.sound_play("default_cool_lava", {pos = pos, gain = 0.25})
101 minetest.register_abm({
102 nodenames = {"default:lava_flowing"},
103 neighbors = {"group:water"},
106 action = function(...)
107 default.cool_lava_flowing(...)
111 minetest.register_abm({
112 nodenames = {"default:lava_source"},
113 neighbors = {"group:water"},
116 action = function(...)
117 default.cool_lava_source(...)
123 -- Papyrus and cactus growing
126 -- wrapping the functions in abm action is necessary to make overriding them possible
128 function default.grow_cactus(pos, node)
129 if node.param2 >= 4 then
133 if minetest.get_item_group(minetest.get_node(pos).name, "sand") == 0 then
138 while node.name == "default:cactus" and height < 4 do
141 node = minetest.get_node(pos)
143 if height == 4 or node.name ~= "air" then
146 minetest.set_node(pos, {name = "default:cactus"})
150 function default.grow_papyrus(pos, node)
152 local name = minetest.get_node(pos).name
153 if name ~= "default:dirt_with_grass" and name ~= "default:dirt" then
156 if not minetest.find_node_near(pos, 3, {"group:water"}) then
161 while node.name == "default:papyrus" and height < 4 do
164 node = minetest.get_node(pos)
166 if height == 4 or node.name ~= "air" then
169 minetest.set_node(pos, {name = "default:papyrus"})
173 minetest.register_abm({
174 nodenames = {"default:cactus"},
175 neighbors = {"group:sand"},
178 action = function(...)
179 default.grow_cactus(...)
183 minetest.register_abm({
184 nodenames = {"default:papyrus"},
185 neighbors = {"default:dirt", "default:dirt_with_grass"},
188 action = function(...)
189 default.grow_papyrus(...)
198 function default.dig_up(pos, node, digger)
199 if digger == nil then return end
200 local np = {x = pos.x, y = pos.y + 1, z = pos.z}
201 local nn = minetest.get_node(np)
202 if nn.name == node.name then
203 minetest.node_dig(np, nn, digger)
212 default.leafdecay_trunk_cache = {}
213 default.leafdecay_enable_cache = true
214 -- Spread the load of finding trunks
215 default.leafdecay_trunk_find_allow_accumulator = 0
217 minetest.register_globalstep(function(dtime)
218 local finds_per_second = 5000
219 default.leafdecay_trunk_find_allow_accumulator =
220 math.floor(dtime * finds_per_second)
223 default.after_place_leaves = function(pos, placer, itemstack, pointed_thing)
224 local node = minetest.get_node(pos)
226 minetest.set_node(pos, node)
229 minetest.register_abm({
230 nodenames = {"group:leafdecay"},
231 neighbors = {"air", "group:liquid"},
232 -- A low interval and a high inverse chance spreads the load
236 action = function(p0, node, _, _)
237 --print("leafdecay ABM at "..p0.x..", "..p0.y..", "..p0.z..")")
238 local do_preserve = false
239 local d = minetest.registered_nodes[node.name].groups.leafdecay
240 if not d or d == 0 then
241 --print("not groups.leafdecay")
244 local n0 = minetest.get_node(p0)
245 if n0.param2 ~= 0 then
246 --print("param2 ~= 0")
250 if default.leafdecay_enable_cache then
251 p0_hash = minetest.hash_node_position(p0)
252 local trunkp = default.leafdecay_trunk_cache[p0_hash]
254 local n = minetest.get_node(trunkp)
255 local reg = minetest.registered_nodes[n.name]
256 -- Assume ignore is a trunk, to make the thing
257 -- work at the border of the active area
258 if n.name == "ignore" or (reg and reg.groups.tree and
259 reg.groups.tree ~= 0) then
260 --print("cached trunk still exists")
263 --print("cached trunk is invalid")
265 table.remove(default.leafdecay_trunk_cache, p0_hash)
268 if default.leafdecay_trunk_find_allow_accumulator <= 0 then
271 default.leafdecay_trunk_find_allow_accumulator =
272 default.leafdecay_trunk_find_allow_accumulator - 1
273 -- Assume ignore is a trunk, to make the thing
274 -- work at the border of the active area
275 local p1 = minetest.find_node_near(p0, d, {"ignore", "group:tree"})
278 if default.leafdecay_enable_cache then
279 --print("caching trunk")
281 default.leafdecay_trunk_cache[p0_hash] = p1
284 if not do_preserve then
285 -- Drop stuff other than the node itself
286 local itemstacks = minetest.get_node_drops(n0.name)
287 for _, itemname in ipairs(itemstacks) do
288 if minetest.get_item_group(n0.name, "leafdecay_drop") ~= 0 or
289 itemname ~= n0.name then
291 x = p0.x - 0.5 + math.random(),
292 y = p0.y - 0.5 + math.random(),
293 z = p0.z - 0.5 + math.random(),
295 minetest.add_item(p_drop, itemname)
299 minetest.remove_node(p0)
310 minetest.register_abm({
311 nodenames = {"default:dirt"},
314 action = function(pos, node)
315 local above = {x = pos.x, y = pos.y + 1, z = pos.z}
316 local name = minetest.get_node(above).name
317 local nodedef = minetest.registered_nodes[name]
318 if nodedef and (nodedef.sunlight_propagates or nodedef.paramtype == "light") and
319 nodedef.liquidtype == "none" and
320 (minetest.get_node_light(above) or 0) >= 13 then
321 if name == "default:snow" or name == "default:snowblock" then
322 minetest.set_node(pos, {name = "default:dirt_with_snow"})
324 minetest.set_node(pos, {name = "default:dirt_with_grass"})
330 minetest.register_abm({
331 nodenames = {"default:dirt_with_grass", "default:dirt_with_dry_grass"},
334 action = function(pos, node)
335 local above = {x = pos.x, y = pos.y + 1, z = pos.z}
336 local name = minetest.get_node(above).name
337 local nodedef = minetest.registered_nodes[name]
338 if name ~= "ignore" and nodedef and not ((nodedef.sunlight_propagates or
339 nodedef.paramtype == "light") and
340 nodedef.liquidtype == "none") then
341 minetest.set_node(pos, {name = "default:dirt"})