3 -- support for MT game translation.
4 local S = default.get_translator
6 local random = math.random
9 -- Grow trees from saplings
12 -- 'can grow' function
14 function default.can_grow(pos)
15 local node_under = minetest.get_node_or_nil({x = pos.x, y = pos.y - 1, z = pos.z})
16 if not node_under then
19 local name_under = node_under.name
20 local is_soil = minetest.get_item_group(name_under, "soil")
24 local light_level = minetest.get_node_light(pos)
25 if not light_level or light_level < 13 then
32 -- 'is snow nearby' function
34 local function is_snow_nearby(pos)
35 return minetest.find_node_near(pos, 1, {"group:snowy"})
41 function default.grow_sapling(pos)
42 if not default.can_grow(pos) then
43 -- try again 5 min later
44 minetest.get_node_timer(pos):start(300)
48 local mg_name = minetest.get_mapgen_setting("mg_name")
49 local node = minetest.get_node(pos)
50 if node.name == "default:sapling" then
51 minetest.log("action", "A sapling grows into a tree at "..
52 minetest.pos_to_string(pos))
53 if mg_name == "v6" then
54 default.grow_tree(pos, random(1, 4) == 1)
56 default.grow_new_apple_tree(pos)
58 elseif node.name == "default:junglesapling" then
59 minetest.log("action", "A jungle sapling grows into a tree at "..
60 minetest.pos_to_string(pos))
61 if mg_name == "v6" then
62 default.grow_jungle_tree(pos)
64 default.grow_new_jungle_tree(pos)
66 elseif node.name == "default:pine_sapling" then
67 minetest.log("action", "A pine sapling grows into a tree at "..
68 minetest.pos_to_string(pos))
69 local snow = is_snow_nearby(pos)
70 if mg_name == "v6" then
71 default.grow_pine_tree(pos, snow)
73 default.grow_new_snowy_pine_tree(pos)
75 default.grow_new_pine_tree(pos)
77 elseif node.name == "default:acacia_sapling" then
78 minetest.log("action", "An acacia sapling grows into a tree at "..
79 minetest.pos_to_string(pos))
80 default.grow_new_acacia_tree(pos)
81 elseif node.name == "default:aspen_sapling" then
82 minetest.log("action", "An aspen sapling grows into a tree at "..
83 minetest.pos_to_string(pos))
84 default.grow_new_aspen_tree(pos)
85 elseif node.name == "default:bush_sapling" then
86 minetest.log("action", "A bush sapling grows into a bush at "..
87 minetest.pos_to_string(pos))
88 default.grow_bush(pos)
89 elseif node.name == "default:blueberry_bush_sapling" then
90 minetest.log("action", "A blueberry bush sapling grows into a bush at "..
91 minetest.pos_to_string(pos))
92 default.grow_blueberry_bush(pos)
93 elseif node.name == "default:acacia_bush_sapling" then
94 minetest.log("action", "An acacia bush sapling grows into a bush at "..
95 minetest.pos_to_string(pos))
96 default.grow_acacia_bush(pos)
97 elseif node.name == "default:pine_bush_sapling" then
98 minetest.log("action", "A pine bush sapling grows into a bush at "..
99 minetest.pos_to_string(pos))
100 default.grow_pine_bush(pos)
101 elseif node.name == "default:emergent_jungle_sapling" then
102 minetest.log("action", "An emergent jungle sapling grows into a tree at "..
103 minetest.pos_to_string(pos))
104 default.grow_new_emergent_jungle_tree(pos)
108 minetest.register_lbm({
109 name = "default:convert_saplings_to_node_timer",
110 nodenames = {"default:sapling", "default:junglesapling",
111 "default:pine_sapling", "default:acacia_sapling",
112 "default:aspen_sapling"},
113 action = function(pos)
114 minetest.get_node_timer(pos):start(math.random(300, 1500))
122 -- Apple tree and jungle tree trunk and leaves function
124 local function add_trunk_and_leaves(data, a, pos, tree_cid, leaves_cid,
125 height, size, iters, is_apple_tree)
126 local x, y, z = pos.x, pos.y, pos.z
127 local c_air = minetest.get_content_id("air")
128 local c_ignore = minetest.get_content_id("ignore")
129 local c_apple = minetest.get_content_id("default:apple")
132 data[a:index(x, y, z)] = tree_cid -- Force-place lowest trunk node to replace sapling
133 for yy = y + 1, y + height - 1 do
134 local vi = a:index(x, yy, z)
135 local node_id = data[vi]
136 if node_id == c_air or node_id == c_ignore or node_id == leaves_cid then
141 -- Force leaves near the trunk
142 for z_dist = -1, 1 do
143 for y_dist = -size, 1 do
144 local vi = a:index(x - 1, y + height + y_dist, z + z_dist)
145 for x_dist = -1, 1 do
146 if data[vi] == c_air or data[vi] == c_ignore then
147 if is_apple_tree and random(1, 8) == 1 then
150 data[vi] = leaves_cid
158 -- Randomly add leaves in 2x2x2 clusters.
160 local clust_x = x + random(-size, size - 1)
161 local clust_y = y + height + random(-size, 0)
162 local clust_z = z + random(-size, size - 1)
167 local vi = a:index(clust_x + xi, clust_y + yi, clust_z + zi)
168 if data[vi] == c_air or data[vi] == c_ignore then
169 if is_apple_tree and random(1, 8) == 1 then
172 data[vi] = leaves_cid
184 function default.grow_tree(pos, is_apple_tree, bad)
186 NOTE: Tree-placing code is currently duplicated in the engine
187 and in games that have saplings; both are deprecated but not
191 error("Deprecated use of default.grow_tree")
194 local x, y, z = pos.x, pos.y, pos.z
195 local height = random(4, 5)
196 local c_tree = minetest.get_content_id("default:tree")
197 local c_leaves = minetest.get_content_id("default:leaves")
199 local vm = minetest.get_voxel_manip()
200 local minp, maxp = vm:read_from_map(
201 {x = x - 2, y = y, z = z - 2},
202 {x = x + 2, y = y + height + 1, z = z + 2}
204 local a = VoxelArea:new({MinEdge = minp, MaxEdge = maxp})
205 local data = vm:get_data()
207 add_trunk_and_leaves(data, a, pos, c_tree, c_leaves, height, 2, 8, is_apple_tree)
217 function default.grow_jungle_tree(pos, bad)
219 NOTE: Jungletree-placing code is currently duplicated in the engine
220 and in games that have saplings; both are deprecated but not
224 error("Deprecated use of default.grow_jungle_tree")
227 local x, y, z = pos.x, pos.y, pos.z
228 local height = random(8, 12)
229 local c_air = minetest.get_content_id("air")
230 local c_ignore = minetest.get_content_id("ignore")
231 local c_jungletree = minetest.get_content_id("default:jungletree")
232 local c_jungleleaves = minetest.get_content_id("default:jungleleaves")
234 local vm = minetest.get_voxel_manip()
235 local minp, maxp = vm:read_from_map(
236 {x = x - 3, y = y - 1, z = z - 3},
237 {x = x + 3, y = y + height + 1, z = z + 3}
239 local a = VoxelArea:new({MinEdge = minp, MaxEdge = maxp})
240 local data = vm:get_data()
242 add_trunk_and_leaves(data, a, pos, c_jungletree, c_jungleleaves,
243 height, 3, 30, false)
246 for z_dist = -1, 1 do
247 local vi_1 = a:index(x - 1, y - 1, z + z_dist)
248 local vi_2 = a:index(x - 1, y, z + z_dist)
249 for x_dist = -1, 1 do
250 if random(1, 3) >= 2 then
251 if data[vi_1] == c_air or data[vi_1] == c_ignore then
252 data[vi_1] = c_jungletree
253 elseif data[vi_2] == c_air or data[vi_2] == c_ignore then
254 data[vi_2] = c_jungletree
268 -- Pine tree from mg mapgen mod, design by sfan5, pointy top added by paramat
270 local function add_pine_needles(data, vi, c_air, c_ignore, c_snow, c_pine_needles)
271 local node_id = data[vi]
272 if node_id == c_air or node_id == c_ignore or node_id == c_snow then
273 data[vi] = c_pine_needles
277 local function add_snow(data, vi, c_air, c_ignore, c_snow)
278 local node_id = data[vi]
279 if node_id == c_air or node_id == c_ignore then
284 function default.grow_pine_tree(pos, snow)
285 local x, y, z = pos.x, pos.y, pos.z
286 local maxy = y + random(9, 13) -- Trunk top
288 local c_air = minetest.get_content_id("air")
289 local c_ignore = minetest.get_content_id("ignore")
290 local c_pine_tree = minetest.get_content_id("default:pine_tree")
291 local c_pine_needles = minetest.get_content_id("default:pine_needles")
292 local c_snow = minetest.get_content_id("default:snow")
294 local vm = minetest.get_voxel_manip()
295 local minp, maxp = vm:read_from_map(
296 {x = x - 3, y = y, z = z - 3},
297 {x = x + 3, y = maxy + 3, z = z + 3}
299 local a = VoxelArea:new({MinEdge = minp, MaxEdge = maxp})
300 local data = vm:get_data()
302 -- Upper branches layer
304 for yy = maxy - 1, maxy + 1 do
305 for zz = z - dev, z + dev do
306 local vi = a:index(x - dev, yy, zz)
307 local via = a:index(x - dev, yy + 1, zz)
308 for xx = x - dev, x + dev do
309 if random() < 0.95 - dev * 0.05 then
310 add_pine_needles(data, vi, c_air, c_ignore, c_snow,
313 add_snow(data, via, c_air, c_ignore, c_snow)
324 add_pine_needles(data, a:index(x, maxy + 1, z), c_air, c_ignore, c_snow,
326 add_pine_needles(data, a:index(x, maxy + 2, z), c_air, c_ignore, c_snow,
327 c_pine_needles) -- Paramat added a pointy top node
329 add_snow(data, a:index(x, maxy + 3, z), c_air, c_ignore, c_snow)
332 -- Lower branches layer
334 for i = 1, 20 do -- Random 2x2 squares of needles
335 local xi = x + random(-3, 2)
336 local yy = maxy + random(-6, -5)
337 local zi = z + random(-3, 2)
342 local vi = a:index(xi, yy, zz)
343 local via = a:index(xi, yy + 1, zz)
344 for xx = xi, xi + 1 do
345 add_pine_needles(data, vi, c_air, c_ignore, c_snow,
348 add_snow(data, via, c_air, c_ignore, c_snow)
357 for yy = my + 1, my + 2 do
358 for zz = z - dev, z + dev do
359 local vi = a:index(x - dev, yy, zz)
360 local via = a:index(x - dev, yy + 1, zz)
361 for xx = x - dev, x + dev do
362 if random() < 0.95 - dev * 0.05 then
363 add_pine_needles(data, vi, c_air, c_ignore, c_snow,
366 add_snow(data, via, c_air, c_ignore, c_snow)
377 -- Force-place lowest trunk node to replace sapling
378 data[a:index(x, y, z)] = c_pine_tree
379 for yy = y + 1, maxy do
380 local vi = a:index(x, yy, z)
381 local node_id = data[vi]
382 if node_id == c_air or node_id == c_ignore or
383 node_id == c_pine_needles or node_id == c_snow then
384 data[vi] = c_pine_tree
396 function default.grow_new_apple_tree(pos)
397 local path = minetest.get_modpath("default") ..
398 "/schematics/apple_tree_from_sapling.mts"
399 minetest.place_schematic({x = pos.x - 3, y = pos.y - 1, z = pos.z - 3},
400 path, "random", nil, false)
406 function default.grow_new_jungle_tree(pos)
407 local path = minetest.get_modpath("default") ..
408 "/schematics/jungle_tree_from_sapling.mts"
409 minetest.place_schematic({x = pos.x - 2, y = pos.y - 1, z = pos.z - 2},
410 path, "random", nil, false)
414 -- New emergent jungle tree
416 function default.grow_new_emergent_jungle_tree(pos)
417 local path = minetest.get_modpath("default") ..
418 "/schematics/emergent_jungle_tree_from_sapling.mts"
419 minetest.place_schematic({x = pos.x - 3, y = pos.y - 5, z = pos.z - 3},
420 path, "random", nil, false)
426 function default.grow_new_pine_tree(pos)
428 if math.random() > 0.5 then
429 path = minetest.get_modpath("default") ..
430 "/schematics/pine_tree_from_sapling.mts"
432 path = minetest.get_modpath("default") ..
433 "/schematics/small_pine_tree_from_sapling.mts"
435 minetest.place_schematic({x = pos.x - 2, y = pos.y - 1, z = pos.z - 2},
436 path, "0", nil, false)
440 -- New snowy pine tree
442 function default.grow_new_snowy_pine_tree(pos)
444 if math.random() > 0.5 then
445 path = minetest.get_modpath("default") ..
446 "/schematics/snowy_pine_tree_from_sapling.mts"
448 path = minetest.get_modpath("default") ..
449 "/schematics/snowy_small_pine_tree_from_sapling.mts"
451 minetest.place_schematic({x = pos.x - 2, y = pos.y - 1, z = pos.z - 2},
452 path, "random", nil, false)
458 function default.grow_new_acacia_tree(pos)
459 local path = minetest.get_modpath("default") ..
460 "/schematics/acacia_tree_from_sapling.mts"
461 minetest.place_schematic({x = pos.x - 4, y = pos.y - 1, z = pos.z - 4},
462 path, "random", nil, false)
468 function default.grow_new_aspen_tree(pos)
469 local path = minetest.get_modpath("default") ..
470 "/schematics/aspen_tree_from_sapling.mts"
471 minetest.place_schematic({x = pos.x - 2, y = pos.y - 1, z = pos.z - 2},
472 path, "0", nil, false)
476 -- Bushes do not need 'from sapling' schematic variants because
477 -- only the stem node is force-placed in the schematic.
481 function default.grow_bush(pos)
482 local path = minetest.get_modpath("default") ..
483 "/schematics/bush.mts"
484 minetest.place_schematic({x = pos.x - 1, y = pos.y - 1, z = pos.z - 1},
485 path, "0", nil, false)
490 function default.grow_blueberry_bush(pos)
491 local path = minetest.get_modpath("default") ..
492 "/schematics/blueberry_bush.mts"
493 minetest.place_schematic({x = pos.x - 1, y = pos.y, z = pos.z - 1},
494 path, "0", nil, false)
500 function default.grow_acacia_bush(pos)
501 local path = minetest.get_modpath("default") ..
502 "/schematics/acacia_bush.mts"
503 minetest.place_schematic({x = pos.x - 1, y = pos.y - 1, z = pos.z - 1},
504 path, "0", nil, false)
510 function default.grow_pine_bush(pos)
511 local path = minetest.get_modpath("default") ..
512 "/schematics/pine_bush.mts"
513 minetest.place_schematic({x = pos.x - 1, y = pos.y - 1, z = pos.z - 1},
514 path, "0", nil, false)
520 function default.grow_large_cactus(pos)
521 local path = minetest.get_modpath("default") ..
522 "/schematics/large_cactus.mts"
523 minetest.place_schematic({x = pos.x - 2, y = pos.y - 1, z = pos.z - 2},
524 path, "random", nil, false)
529 -- Sapling 'on place' function to check protection of node and resulting tree volume
532 function default.sapling_on_place(itemstack, placer, pointed_thing,
533 sapling_name, minp_relative, maxp_relative, interval)
534 -- Position of sapling
535 local pos = pointed_thing.under
536 local node = minetest.get_node_or_nil(pos)
537 local pdef = node and minetest.registered_nodes[node.name]
539 if pdef and pdef.on_rightclick and
540 not (placer and placer:is_player() and
541 placer:get_player_control().sneak) then
542 return pdef.on_rightclick(pos, node, placer, itemstack, pointed_thing)
545 if not pdef or not pdef.buildable_to then
546 pos = pointed_thing.above
547 node = minetest.get_node_or_nil(pos)
548 pdef = node and minetest.registered_nodes[node.name]
549 if not pdef or not pdef.buildable_to then
554 local player_name = placer and placer:get_player_name() or ""
555 -- Check sapling position for protection
556 if minetest.is_protected(pos, player_name) then
557 minetest.record_protection_violation(pos, player_name)
560 -- Check tree volume for protection
561 if minetest.is_area_protected(
562 vector.add(pos, minp_relative),
563 vector.add(pos, maxp_relative),
566 minetest.record_protection_violation(pos, player_name)
567 -- Print extra information to explain
568 -- minetest.chat_send_player(player_name,
569 -- itemstack:get_definition().description .. " will intersect protection " ..
571 minetest.chat_send_player(player_name,
572 S("@1 will intersect protection on growth.",
573 itemstack:get_definition().description))
577 minetest.log("action", player_name .. " places node "
578 .. sapling_name .. " at " .. minetest.pos_to_string(pos))
580 local take_item = not (creative and creative.is_enabled_for
581 and creative.is_enabled_for(player_name))
582 local newnode = {name = sapling_name}
583 local ndef = minetest.registered_nodes[sapling_name]
584 minetest.set_node(pos, newnode)
587 if ndef and ndef.after_place_node then
588 -- Deepcopy place_to and pointed_thing because callback can modify it
589 if ndef.after_place_node(table.copy(pos), placer,
590 itemstack, table.copy(pointed_thing)) then
596 for _, callback in ipairs(minetest.registered_on_placenodes) do
597 -- Deepcopy pos, node and pointed_thing because callback can modify them
598 if callback(table.copy(pos), table.copy(newnode),
599 placer, table.copy(node or {}),
600 itemstack, table.copy(pointed_thing)) then
606 itemstack:take_item()