5 function default.node_sound_defaults(table)
7 table.footstep = table.footstep or
8 {name = "", gain = 1.0}
9 table.dug = table.dug or
10 {name = "default_dug_node", gain = 0.25}
11 table.place = table.place or
12 {name = "default_place_node_hard", gain = 1.0}
16 function default.node_sound_stone_defaults(table)
18 table.footstep = table.footstep or
19 {name = "default_hard_footstep", gain = 0.3}
20 table.dug = table.dug or
21 {name = "default_hard_footstep", gain = 1.0}
22 default.node_sound_defaults(table)
26 function default.node_sound_dirt_defaults(table)
28 table.footstep = table.footstep or
29 {name = "default_dirt_footstep", gain = 0.4}
30 table.dug = table.dug or
31 {name = "default_dirt_footstep", gain = 1.0}
32 table.place = table.place or
33 {name = "default_place_node", gain = 1.0}
34 default.node_sound_defaults(table)
38 function default.node_sound_sand_defaults(table)
40 table.footstep = table.footstep or
41 {name = "default_sand_footstep", gain = 0.12}
42 table.dug = table.dug or
43 {name = "default_sand_footstep", gain = 0.24}
44 table.place = table.place or
45 {name = "default_place_node", gain = 1.0}
46 default.node_sound_defaults(table)
50 function default.node_sound_gravel_defaults(table)
52 table.footstep = table.footstep or
53 {name = "default_gravel_footstep", gain = 0.4}
54 table.dug = table.dug or
55 {name = "default_gravel_footstep", gain = 1.0}
56 table.place = table.place or
57 {name = "default_place_node", gain = 1.0}
58 default.node_sound_defaults(table)
62 function default.node_sound_wood_defaults(table)
64 table.footstep = table.footstep or
65 {name = "default_wood_footstep", gain = 0.3}
66 table.dug = table.dug or
67 {name = "default_wood_footstep", gain = 1.0}
68 default.node_sound_defaults(table)
72 function default.node_sound_leaves_defaults(table)
74 table.footstep = table.footstep or
75 {name = "default_grass_footstep", gain = 0.45}
76 table.dug = table.dug or
77 {name = "default_grass_footstep", gain = 0.7}
78 table.place = table.place or
79 {name = "default_place_node", gain = 1.0}
80 default.node_sound_defaults(table)
84 function default.node_sound_glass_defaults(table)
86 table.footstep = table.footstep or
87 {name = "default_glass_footstep", gain = 0.3}
88 table.dig = table.dig or
89 {name = "default_glass_footstep", gain = 0.5}
90 table.dug = table.dug or
91 {name = "default_break_glass", gain = 1.0}
92 default.node_sound_defaults(table)
96 function default.node_sound_metal_defaults(table)
98 table.footstep = table.footstep or
99 {name = "default_metal_footstep", gain = 0.4}
100 table.dig = table.dig or
101 {name = "default_dig_metal", gain = 0.5}
102 table.dug = table.dug or
103 {name = "default_dug_metal", gain = 0.5}
104 table.place = table.place or
105 {name = "default_place_node_metal", gain = 0.5}
106 default.node_sound_defaults(table)
110 function default.node_sound_water_defaults(table)
112 table.footstep = table.footstep or
113 {name = "default_water_footstep", gain = 0.2}
114 default.node_sound_defaults(table)
118 function default.node_sound_snow_defaults(table)
120 table.footstep = table.footstep or
121 {name = "default_snow_footstep", gain = 0.2}
122 table.dig = table.dig or
123 {name = "default_snow_footstep", gain = 0.3}
124 table.dug = table.dug or
125 {name = "default_snow_footstep", gain = 0.3}
126 table.place = table.place or
127 {name = "default_place_node", gain = 1.0}
128 default.node_sound_defaults(table)
137 default.cool_lava = function(pos, node)
138 if node.name == "default:lava_source" then
139 minetest.set_node(pos, {name = "default:obsidian"})
141 minetest.set_node(pos, {name = "default:stone"})
143 minetest.sound_play("default_cool_lava",
144 {pos = pos, max_hear_distance = 16, gain = 0.25})
147 if minetest.settings:get_bool("enable_lavacooling") ~= false then
148 minetest.register_abm({
149 label = "Lava cooling",
150 nodenames = {"default:lava_source", "default:lava_flowing"},
151 neighbors = {"group:cools_lava", "group:water"},
155 action = function(...)
156 default.cool_lava(...)
163 -- Optimized helper to put all items in an inventory into a drops list
166 function default.get_inventory_drops(pos, inventory, drops)
167 local inv = minetest.get_meta(pos):get_inventory()
169 for i = 1, inv:get_size(inventory) do
170 local stack = inv:get_stack(inventory, i)
171 if stack:get_count() > 0 then
172 drops[n+1] = stack:to_table()
180 -- Papyrus and cactus growing
183 -- Wrapping the functions in ABM action is necessary to make overriding them possible
185 function default.grow_cactus(pos, node)
186 if node.param2 >= 4 then
190 if minetest.get_item_group(minetest.get_node(pos).name, "sand") == 0 then
195 while node.name == "default:cactus" and height < 4 do
198 node = minetest.get_node(pos)
200 if height == 4 or node.name ~= "air" then
203 if minetest.get_node_light(pos) < 13 then
206 minetest.set_node(pos, {name = "default:cactus"})
210 function default.grow_papyrus(pos, node)
212 local name = minetest.get_node(pos).name
213 if name ~= "default:dirt_with_grass" and name ~= "default:dirt" then
216 if not minetest.find_node_near(pos, 3, {"group:water"}) then
221 while node.name == "default:papyrus" and height < 4 do
224 node = minetest.get_node(pos)
226 if height == 4 or node.name ~= "air" then
229 if minetest.get_node_light(pos) < 13 then
232 minetest.set_node(pos, {name = "default:papyrus"})
236 minetest.register_abm({
237 label = "Grow cactus",
238 nodenames = {"default:cactus"},
239 neighbors = {"group:sand"},
242 action = function(...)
243 default.grow_cactus(...)
247 minetest.register_abm({
248 label = "Grow papyrus",
249 nodenames = {"default:papyrus"},
250 neighbors = {"default:dirt", "default:dirt_with_grass"},
253 action = function(...)
254 default.grow_papyrus(...)
263 function default.dig_up(pos, node, digger)
264 if digger == nil then return end
265 local np = {x = pos.x, y = pos.y + 1, z = pos.z}
266 local nn = minetest.get_node(np)
267 if nn.name == node.name then
268 minetest.node_dig(np, nn, digger)
274 -- Fence registration helper
277 function default.register_fence(name, def)
278 minetest.register_craft({
279 output = name .. " 4",
281 { def.material, 'group:stick', def.material },
282 { def.material, 'group:stick', def.material },
286 local fence_texture = "default_fence_overlay.png^" .. def.texture ..
287 "^default_fence_overlay.png^[makealpha:255,126,126"
288 -- Allow almost everything to be overridden
289 local default_fields = {
291 drawtype = "nodebox",
294 fixed = {{-1/8, -1/2, -1/8, 1/8, 1/2, 1/8}},
297 connect_front = {{-1/16,3/16,-1/2,1/16,5/16,-1/8},
298 {-1/16,-5/16,-1/2,1/16,-3/16,-1/8}},
299 connect_left = {{-1/2,3/16,-1/16,-1/8,5/16,1/16},
300 {-1/2,-5/16,-1/16,-1/8,-3/16,1/16}},
301 connect_back = {{-1/16,3/16,1/8,1/16,5/16,1/2},
302 {-1/16,-5/16,1/8,1/16,-3/16,1/2}},
303 connect_right = {{1/8,3/16,-1/16,1/2,5/16,1/16},
304 {1/8,-5/16,-1/16,1/2,-3/16,1/16}},
306 connects_to = {"group:fence", "group:wood", "group:tree"},
307 inventory_image = fence_texture,
308 wield_image = fence_texture,
309 tiles = {def.texture},
310 sunlight_propagates = true,
311 is_ground_content = false,
314 for k, v in pairs(default_fields) do
315 if def[k] == nil then
320 -- Always add to the fence group, even if no group provided
326 minetest.register_node(name, def)
334 -- Prevent decay of placed leaves
336 default.after_place_leaves = function(pos, placer, itemstack, pointed_thing)
337 if placer and placer:is_player() and not placer:get_player_control().sneak then
338 local node = minetest.get_node(pos)
340 minetest.set_node(pos, node)
345 local function leafdecay_after_destruct(pos, oldnode, def)
346 for _, v in pairs(minetest.find_nodes_in_area(vector.subtract(pos, def.radius),
347 vector.add(pos, def.radius), def.leaves)) do
348 local node = minetest.get_node(v)
349 local timer = minetest.get_node_timer(v)
350 if node.param2 == 0 and not timer:is_started() then
351 timer:start(math.random(20, 120) / 10)
356 local function leafdecay_on_timer(pos, def)
357 if minetest.find_node_near(pos, def.radius, def.trunks) then
361 local node = minetest.get_node(pos)
362 local drops = minetest.get_node_drops(node.name)
363 for _, item in ipairs(drops) do
365 for _, v in pairs(def.leaves) do
370 if minetest.get_item_group(item, "leafdecay_drop") ~= 0 or
373 x = pos.x - 0.5 + math.random(),
374 y = pos.y - 0.5 + math.random(),
375 z = pos.z - 0.5 + math.random(),
380 minetest.remove_node(pos)
381 minetest.check_for_falling(pos)
384 function default.register_leafdecay(def)
388 for _, v in pairs(def.trunks) do
389 minetest.override_item(v, {
390 after_destruct = function(pos, oldnode)
391 leafdecay_after_destruct(pos, oldnode, def)
395 for _, v in pairs(def.leaves) do
396 minetest.override_item(v, {
397 on_timer = function(pos)
398 leafdecay_on_timer(pos, def)
406 -- Convert dirt to something that fits the environment
409 minetest.register_abm({
410 label = "Grass spread",
411 nodenames = {"default:dirt"},
421 action = function(pos, node)
422 -- Check for darkness: night, shadow or under a light-blocking node
423 -- Returns if ignore above
424 local above = {x = pos.x, y = pos.y + 1, z = pos.z}
425 if (minetest.get_node_light(above) or 0) < 13 then
429 -- Look for spreading dirt-type neighbours
430 local p2 = minetest.find_node_near(pos, 1, "group:spreading_dirt_type")
432 local n3 = minetest.get_node(p2)
433 minetest.set_node(pos, {name = n3.name})
437 -- Else, any seeding nodes on top?
438 local name = minetest.get_node(above).name
439 -- Snow check is cheapest, so comes first
440 if name == "default:snow" then
441 minetest.set_node(pos, {name = "default:dirt_with_snow"})
442 -- Most likely case first
443 elseif minetest.get_item_group(name, "grass") ~= 0 then
444 minetest.set_node(pos, {name = "default:dirt_with_grass"})
445 elseif minetest.get_item_group(name, "dry_grass") ~= 0 then
446 minetest.set_node(pos, {name = "default:dirt_with_dry_grass"})
453 -- Grass and dry grass removed in darkness
456 minetest.register_abm({
457 label = "Grass covered",
458 nodenames = {"group:spreading_dirt_type"},
462 action = function(pos, node)
463 local above = {x = pos.x, y = pos.y + 1, z = pos.z}
464 local name = minetest.get_node(above).name
465 local nodedef = minetest.registered_nodes[name]
466 if name ~= "ignore" and nodedef and not ((nodedef.sunlight_propagates or
467 nodedef.paramtype == "light") and
468 nodedef.liquidtype == "none") then
469 minetest.set_node(pos, {name = "default:dirt"})
476 -- Moss growth on cobble near water
479 minetest.register_abm({
480 label = "Moss growth",
481 nodenames = {"default:cobble", "stairs:slab_cobble", "stairs:stair_cobble", "walls:cobble"},
482 neighbors = {"group:water"},
486 action = function(pos, node)
487 if node.name == "default:cobble" then
488 minetest.set_node(pos, {name = "default:mossycobble"})
489 elseif node.name == "stairs:slab_cobble" then
490 minetest.set_node(pos, {name = "stairs:slab_mossycobble", param2 = node.param2})
491 elseif node.name == "stairs:stair_cobble" then
492 minetest.set_node(pos, {name = "stairs:stair_mossycobble", param2 = node.param2})
493 elseif node.name == "walls:cobble" then
494 minetest.set_node(pos, {name = "walls:mossycobble", param2 = node.param2})
501 -- Checks if specified volume intersects a protected volume
504 function default.intersects_protection(minp, maxp, player_name, interval)
505 -- 'interval' is the largest allowed interval for the 3D lattice of checks
507 -- Compute the optimal float step 'd' for each axis so that all corners and
508 -- borders are checked. 'd' will be smaller or equal to 'interval'.
509 -- Subtracting 1e-4 ensures that the max co-ordinate will be reached by the
510 -- for loop (which might otherwise not be the case due to rounding errors).
512 for _, c in pairs({"x", "y", "z"}) do
513 if maxp[c] > minp[c] then
514 d[c] = (maxp[c] - minp[c]) / math.ceil((maxp[c] - minp[c]) / interval) - 1e-4
515 elseif maxp[c] == minp[c] then
516 d[c] = 1 -- Any value larger than 0 to avoid division by zero
517 else -- maxp[c] < minp[c], print error and treat as protection intersected
518 minetest.log("error", "maxp < minp in 'default.intersects_protection()'")
523 for zf = minp.z, maxp.z, d.z do
524 local z = math.floor(zf + 0.5)
525 for yf = minp.y, maxp.y, d.y do
526 local y = math.floor(yf + 0.5)
527 for xf = minp.x, maxp.x, d.x do
528 local x = math.floor(xf + 0.5)
529 if minetest.is_protected({x = x, y = y, z = z}, player_name) then
541 -- Coral death near air
544 minetest.register_abm({
545 nodenames = {"default:coral_brown", "default:coral_orange"},
550 action = function(pos, node)
551 minetest.set_node(pos, {name = "default:coral_skeleton"})
557 -- NOTICE: This method is not an official part of the API yet.
558 -- This method may change in future.
561 function default.can_interact_with_node(player, pos)
563 if minetest.check_player_privs(player, "protection_bypass") then
570 local meta = minetest.get_meta(pos)
571 local owner = meta:get_string("owner")
573 if not owner or owner == "" or owner == player:get_player_name() then
577 -- Is player wielding the right key?
578 local item = player:get_wielded_item()
579 if item:get_name() == "default:key" then
580 local key_meta = item:get_meta()
582 if key_meta:get_string("secret") == "" then
583 local key_oldmeta = item:get_metadata()
584 if key_oldmeta == "" or not minetest.parse_json(key_oldmeta) then
588 key_meta:set_string("secret", minetest.parse_json(key_oldmeta).secret)
589 item:set_metadata("")
592 return meta:get_string("key_lock_secret") == key_meta:get_string("secret")