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",
94 {pos = pos, max_hear_distance = 16, gain = 0.25})
97 default.cool_lava_flowing = function(pos)
98 minetest.set_node(pos, {name = "default:stone"})
99 minetest.sound_play("default_cool_lava",
100 {pos = pos, max_hear_distance = 16, gain = 0.25})
103 minetest.register_abm({
104 nodenames = {"default:lava_flowing"},
105 neighbors = {"group:water"},
108 action = function(...)
109 default.cool_lava_flowing(...)
113 minetest.register_abm({
114 nodenames = {"default:lava_source"},
115 neighbors = {"group:water"},
118 action = function(...)
119 default.cool_lava_source(...)
125 -- Papyrus and cactus growing
128 -- wrapping the functions in abm action is necessary to make overriding them possible
130 function default.grow_cactus(pos, node)
131 if node.param2 >= 4 then
135 if minetest.get_item_group(minetest.get_node(pos).name, "sand") == 0 then
140 while node.name == "default:cactus" and height < 4 do
143 node = minetest.get_node(pos)
145 if height == 4 or node.name ~= "air" then
148 minetest.set_node(pos, {name = "default:cactus"})
152 function default.grow_papyrus(pos, node)
154 local name = minetest.get_node(pos).name
155 if name ~= "default:dirt_with_grass" and name ~= "default:dirt" then
158 if not minetest.find_node_near(pos, 3, {"group:water"}) then
163 while node.name == "default:papyrus" and height < 4 do
166 node = minetest.get_node(pos)
168 if height == 4 or node.name ~= "air" then
171 minetest.set_node(pos, {name = "default:papyrus"})
175 minetest.register_abm({
176 nodenames = {"default:cactus"},
177 neighbors = {"group:sand"},
180 action = function(...)
181 default.grow_cactus(...)
185 minetest.register_abm({
186 nodenames = {"default:papyrus"},
187 neighbors = {"default:dirt", "default:dirt_with_grass"},
190 action = function(...)
191 default.grow_papyrus(...)
200 function default.dig_up(pos, node, digger)
201 if digger == nil then return end
202 local np = {x = pos.x, y = pos.y + 1, z = pos.z}
203 local nn = minetest.get_node(np)
204 if nn.name == node.name then
205 minetest.node_dig(np, nn, digger)
214 default.leafdecay_trunk_cache = {}
215 default.leafdecay_enable_cache = true
216 -- Spread the load of finding trunks
217 default.leafdecay_trunk_find_allow_accumulator = 0
219 minetest.register_globalstep(function(dtime)
220 local finds_per_second = 5000
221 default.leafdecay_trunk_find_allow_accumulator =
222 math.floor(dtime * finds_per_second)
225 default.after_place_leaves = function(pos, placer, itemstack, pointed_thing)
226 local node = minetest.get_node(pos)
228 minetest.set_node(pos, node)
231 minetest.register_abm({
232 nodenames = {"group:leafdecay"},
233 neighbors = {"air", "group:liquid"},
234 -- A low interval and a high inverse chance spreads the load
238 action = function(p0, node, _, _)
239 --print("leafdecay ABM at "..p0.x..", "..p0.y..", "..p0.z..")")
240 local do_preserve = false
241 local d = minetest.registered_nodes[node.name].groups.leafdecay
242 if not d or d == 0 then
243 --print("not groups.leafdecay")
246 local n0 = minetest.get_node(p0)
247 if n0.param2 ~= 0 then
248 --print("param2 ~= 0")
252 if default.leafdecay_enable_cache then
253 p0_hash = minetest.hash_node_position(p0)
254 local trunkp = default.leafdecay_trunk_cache[p0_hash]
256 local n = minetest.get_node(trunkp)
257 local reg = minetest.registered_nodes[n.name]
258 -- Assume ignore is a trunk, to make the thing
259 -- work at the border of the active area
260 if n.name == "ignore" or (reg and reg.groups.tree and
261 reg.groups.tree ~= 0) then
262 --print("cached trunk still exists")
265 --print("cached trunk is invalid")
267 table.remove(default.leafdecay_trunk_cache, p0_hash)
270 if default.leafdecay_trunk_find_allow_accumulator <= 0 then
273 default.leafdecay_trunk_find_allow_accumulator =
274 default.leafdecay_trunk_find_allow_accumulator - 1
275 -- Assume ignore is a trunk, to make the thing
276 -- work at the border of the active area
277 local p1 = minetest.find_node_near(p0, d, {"ignore", "group:tree"})
280 if default.leafdecay_enable_cache then
281 --print("caching trunk")
283 default.leafdecay_trunk_cache[p0_hash] = p1
286 if not do_preserve then
287 -- Drop stuff other than the node itself
288 local itemstacks = minetest.get_node_drops(n0.name)
289 for _, itemname in ipairs(itemstacks) do
290 if minetest.get_item_group(n0.name, "leafdecay_drop") ~= 0 or
291 itemname ~= n0.name then
293 x = p0.x - 0.5 + math.random(),
294 y = p0.y - 0.5 + math.random(),
295 z = p0.z - 0.5 + math.random(),
297 minetest.add_item(p_drop, itemname)
301 minetest.remove_node(p0)
312 minetest.register_abm({
313 nodenames = {"default:dirt"},
316 action = function(pos, node)
317 local above = {x = pos.x, y = pos.y + 1, z = pos.z}
318 local name = minetest.get_node(above).name
319 local nodedef = minetest.registered_nodes[name]
320 if nodedef and (nodedef.sunlight_propagates or nodedef.paramtype == "light") and
321 nodedef.liquidtype == "none" and
322 (minetest.get_node_light(above) or 0) >= 13 then
323 if name == "default:snow" or name == "default:snowblock" then
324 minetest.set_node(pos, {name = "default:dirt_with_snow"})
326 minetest.set_node(pos, {name = "default:dirt_with_grass"})
332 minetest.register_abm({
333 nodenames = {"default:dirt_with_grass", "default:dirt_with_dry_grass"},
336 action = function(pos, node)
337 local above = {x = pos.x, y = pos.y + 1, z = pos.z}
338 local name = minetest.get_node(above).name
339 local nodedef = minetest.registered_nodes[name]
340 if name ~= "ignore" and nodedef and not ((nodedef.sunlight_propagates or
341 nodedef.paramtype == "light") and
342 nodedef.liquidtype == "none") then
343 minetest.set_node(pos, {name = "default:dirt"})