bonemeal/init.lua

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bonemeal = {}
local path = minetest.get_modpath("bonemeal")
local min, max, random = math.min, math.max, math.random
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-- translation support
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local S = function(s) return s end -- default boilerplate function
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if minetest.get_translator ~= nil then
S = minetest.get_translator("bonemeal") -- 5.x translation function
end
-- creative check
local creative_mode_cache = minetest.settings:get_bool("creative_mode")
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function bonemeal.is_creative(name)
return creative_mode_cache or minetest.check_player_privs(name, {creative = true})
end
-- default crops
local crops = {
{"farming:cotton_", 8, "farming:seed_cotton"},
{"farming:wheat_", 8, "farming:seed_wheat"}
}
-- special pine check for nearby snow
local function pine_grow(pos)
if minetest.find_node_near(pos, 1,
{"default:snow", "default:snowblock", "default:dirt_with_snow"}) then
default.grow_new_snowy_pine_tree(pos)
else
default.grow_new_pine_tree(pos)
end
end
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-- special function for cactus growth
local function cactus_grow(pos)
default.grow_cactus(pos, minetest.get_node(pos))
end
-- special function for papyrus growth
local function papyrus_grow(pos)
default.grow_papyrus(pos, minetest.get_node(pos))
end
-- default saplings
local saplings = {
{"default:sapling", default.grow_new_apple_tree, "soil"},
{"default:junglesapling", default.grow_new_jungle_tree, "soil"},
{"default:emergent_jungle_sapling", default.grow_new_emergent_jungle_tree, "soil"},
{"default:acacia_sapling", default.grow_new_acacia_tree, "soil"},
{"default:aspen_sapling", default.grow_new_aspen_tree, "soil"},
{"default:pine_sapling", pine_grow, "soil"},
{"default:bush_sapling", default.grow_bush, "soil"},
{"default:acacia_bush_sapling", default.grow_acacia_bush, "soil"},
{"default:large_cactus_seedling", default.grow_large_cactus, "sand"},
{"default:blueberry_bush_sapling", default.grow_blueberry_bush, "soil"},
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{"default:pine_bush_sapling", default.grow_pine_bush, "soil"},
{"default:cactus", cactus_grow, "sand"},
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{"default:papyrus", papyrus_grow, "soil"}
}
-- helper tables ( "" denotes a blank item )
local green_grass = {
"default:grass_2", "default:grass_3", "default:grass_4",
"default:grass_5", "", ""
}
local dry_grass = {
"default:dry_grass_2", "default:dry_grass_3", "default:dry_grass_4",
"default:dry_grass_5", "", ""
}
-- loads mods then add all in-game flowers except waterlily
local flowers = {}
minetest.after(0.1, function()
for node, def in pairs(minetest.registered_nodes) do
if def.groups
and def.groups.flower
and not node:find("waterlily")
and not node:find("xdecor:potted_")
and not node:find("df_farming:") then
flowers[#flowers + 1] = node
end
end
end)
-- default biomes deco
local deco = {
{"default:dirt", green_grass, flowers},
{"default:dirt_with_grass", green_grass, flowers},
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{"default:dry_dirt", dry_grass, {}},
{"default:dry_dirt_with_dry_grass", dry_grass, {}},
{"default:dirt_with_dry_grass", dry_grass, flowers},
{"default:sand", {}, {"default:dry_shrub", "", "", ""} },
{"default:desert_sand", {}, {"default:dry_shrub", "", "", ""} },
{"default:silver_sand", {}, {"default:dry_shrub", "", "", ""} },
{"default:dirt_with_rainforest_litter", {}, {"default:junglegrass", "", "", ""}}
}
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--
-- local functions
--
-- particles
local function particle_effect(pos)
minetest.add_particlespawner({
amount = 4,
time = 0.15,
minpos = pos,
maxpos = pos,
minvel = {x = -1, y = 2, z = -1},
maxvel = {x = 1, y = 4, z = 1},
minacc = {x = -1, y = -1, z = -1},
maxacc = {x = 1, y = 1, z = 1},
minexptime = 1,
maxexptime = 1,
minsize = 1,
maxsize = 3,
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texture = "bonemeal_particle.png",
glow = 5
})
end
-- tree type check
local function grow_tree(pos, object)
if type(object) == "table" and object.axiom then
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-- grow L-system tree
minetest.remove_node(pos)
minetest.spawn_tree(pos, object)
elseif type(object) == "string" and minetest.registered_nodes[object] then
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-- place node
minetest.set_node(pos, {name = object})
elseif type(object) == "function" then
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-- function
object(pos)
end
end
-- sapling check
local function check_sapling(pos, sapling_node, light_ok)
-- what is sapling placed on?
local under = minetest.get_node({
x = pos.x,
y = pos.y - 1,
z = pos.z
})
local can_grow, grow_on
-- check list for sapling and function
for n = 1, #saplings do
if saplings[n][1] == sapling_node then
grow_on = saplings[n][3] or ""
-- backwards compatibility, add 'group:' to older grouping
if grow_on == "soil" or grow_on == "sand" then
grow_on = "group:" .. grow_on
end
-- sapling grows on top of specific node group
if grow_on:find("group:") then
local group = grow_on:split(":")[2]
if minetest.get_item_group(under.name, group) > 0 then
can_grow = true
end
-- sapling grows on specific node
elseif grow_on == under.name then
can_grow = true
end
-- check if we can grow sapling at current light level
if can_grow and (light_ok or saplings[n][4] == true) then
particle_effect(pos)
grow_tree(pos, saplings[n][2])
return true
end
end
end
end
-- crops check
local function check_crops(pos, nodename, strength, light_ok)
local mod, crop, stage, nod, def
-- grow registered crops
for n = 1, #crops do
-- check if crop can grow in current light level
if (light_ok or crops[n][4] == true)
and (nodename:find(crops[n][1])
or nodename == crops[n][3]) then
-- separate mod and node name
mod = nodename:split(":")[1] .. ":"
crop = nodename:split(":")[2]
-- get stage number or set to 0 for seed
if crop:split("_")[3] then
stage = crop:split("_")[3]
else
stage = crop:split("_")[2]
end
stage = tonumber(stage) or 0
stage = min(stage + strength, crops[n][2])
-- check for place_param setting
nod = crops[n][1] .. stage
def = minetest.registered_nodes[nod]
-- make sure crop exists or isn't fully grown already
if not def or nod == nodename then
return false
end
def = def and def.place_param2 or 0
minetest.set_node(pos, {name = nod, param2 = def})
particle_effect(pos)
minetest.get_node_timer(pos):start(10) -- restart any timers
return true
end
end
end
-- check soil for specific decoration placement
local function check_soil(pos, nodename, strength)
-- set radius according to strength
local side = strength - 1
local tall = max(strength - 2, 0)
-- get area of land with free space above
local dirt = minetest.find_nodes_in_area_under_air(
{x = pos.x - side, y = pos.y - tall, z = pos.z - side},
{x = pos.x + side, y = pos.y + tall, z = pos.z + side}, {nodename})
-- set default grass and decoration
local grass, decor
-- choose grass and decoration to use on dirt patch
for n = 1, #deco do
-- do we have a grass match?
if nodename == deco[n][1] then
grass = deco[n][2] or {}
decor = deco[n][3] or {}
end
end
local pos2, nod, def
-- loop through soil
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for _, n in pairs(dirt) do
if random(5) == 5 then
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if decor and #decor > 0 then
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-- place random decoration (rare)
local dnum = #decor or 1
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nod = decor[random(dnum)] or ""
end
else
if grass and #grass > 0 then
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-- place random grass (common)
local dgra = #grass or 1
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nod = #grass > 0 and grass[random(dgra)] or ""
end
end
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pos2 = n
pos2.y = pos2.y + 1
if nod and nod ~= "" then
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-- get crop param2 value
def = minetest.registered_nodes[nod]
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def = def and def.place_param2
-- if param2 not preset then get from existing node
if not def then
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local node = minetest.get_node_or_nil(pos2)
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def = node and node.param2 or 0
end
minetest.set_node(pos2, {name = nod, param2 = def})
end
particle_effect(pos2)
end
end
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-- helper function
local function use_checks(user, pointed_thing)
-- make sure we use on node
if pointed_thing.type ~= "node" then
return false
end
-- get position and node info
local pos = pointed_thing.under
local node = minetest.get_node(pos)
local def = minetest.registered_items[node.name]
local dirt = def and def.groups
-- does node have groups set
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if not dirt then
return false
end
-- if we're using on ground, move position up
if dirt.soil or dirt.sand or dirt.can_bonemeal then
pos = pointed_thing.above
end
-- check if protected
if minetest.is_protected(pos, user:get_player_name()) then
return false
end
return node
end
-- global functions
-- add to sapling list
-- {sapling node, schematic or function name, "soil"|"sand"|specific_node|"group:"}
--e.g. {"default:sapling", default.grow_new_apple_tree, "soil"}
function bonemeal:add_sapling(list)
for n = 1, #list do
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saplings[#saplings + 1] = list[n]
end
end
-- add to crop list to force grow
-- {crop name start_, growth steps, seed node (if required)}
-- e.g. {"farming:wheat_", 8, "farming:seed_wheat"}
function bonemeal:add_crop(list)
for n = 1, #list do
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crops[#crops + 1] = list[n]
end
end
-- add grass and flower/plant decoration for specific dirt types
-- {dirt_node, {grass_nodes}, {flower_nodes}
-- e.g. {"default:dirt_with_dry_grass", dry_grass, flowers}
-- if an entry already exists for a given dirt type, it will add new entries and all empty
-- entries, allowing to both add decorations and decrease their frequency.
function bonemeal:add_deco(list)
for l = 1, #list do
for n = 1, #deco do
-- update existing entry
if list[l][1] == deco[n][1] then
-- adding grass types
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for _, extra in pairs(list[l][2]) do
if extra ~= "" then
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for _, entry in pairs(deco[n][2]) do
if extra == entry then
extra = false
break
end
end
end
if extra then
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deco[n][2][#deco[n][2] + 1] = extra
end
end
-- adding decoration types
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for _, extra in ipairs(list[l][3]) do
if extra ~= "" then
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for __, entry in pairs(deco[n][3]) do
if extra == entry then
extra = false
break
end
end
end
if extra then
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deco[n][3][#deco[n][3] + 1] = extra
end
end
list[l] = false
break
end
end
if list[l] then
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deco[#deco + 1] = list[l]
end
end
end
-- definitively set a decration scheme
-- this function will either add a new entry as is, or replace the existing one
function bonemeal:set_deco(list)
for l = 1, #list do
for n = 1, #deco do
-- replace existing entry
if list[l][1] == deco[n][1] then
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deco[n][2] = list[l][2]
deco[n][3] = list[l][3]
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list[l] = false
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break
end
end
if list[l] then
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deco[#deco + 1] = list[l]
end
end
end
-- global on_use function for bonemeal
function bonemeal:on_use(pos, strength, node)
-- get node pointed at
local node = node or minetest.get_node(pos)
-- return if nothing there
if node.name == "ignore" then
return
end
-- make sure strength is between 1 and 4
strength = strength or 1
strength = max(strength, 1)
strength = min(strength, 4)
-- papyrus and cactus
if node.name == "default:papyrus" then
default.grow_papyrus(pos, node)
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particle_effect(pos)
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return true
elseif node.name == "default:cactus" then
default.grow_cactus(pos, node)
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particle_effect(pos)
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return true
end
-- grow grass and flowers
if minetest.get_item_group(node.name, "soil") > 0
or minetest.get_item_group(node.name, "sand") > 0
or minetest.get_item_group(node.name, "can_bonemeal") > 0 then
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check_soil(pos, node.name, strength)
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return true
end
-- light check depending on strength (strength of 4 = no light needed)
local light_ok = true
if (minetest.get_node_light(pos) or 0) < (12 - (strength * 3)) then
light_ok = nil
end
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-- check for sapling growth
if random(5 - strength) == 1
and check_sapling(pos, node.name, light_ok) then
return true
end
-- check for crop growth
if check_crops(pos, node.name, strength, light_ok) then
return true
end
end
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--
-- items
--
-- mulch (strength 1)
minetest.register_craftitem("bonemeal:mulch", {
description = S("Mulch"),
inventory_image = "bonemeal_mulch.png",
on_use = function(itemstack, user, pointed_thing)
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-- use helper function to do checks and return position and node
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local node = use_checks(user, pointed_thing)
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if node then
-- call global on_use function with strength of 1
local used = bonemeal:on_use(pointed_thing.under, 1, node)
-- take item if not in creative
if used and not bonemeal.is_creative(user:get_player_name()) then
itemstack:take_item()
end
end
return itemstack
end
})
-- bonemeal (strength 2)
minetest.register_craftitem("bonemeal:bonemeal", {
description = S("Bone Meal"),
inventory_image = "bonemeal_item.png",
on_use = function(itemstack, user, pointed_thing)
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-- use helper function to do checks and return position and node
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local node = use_checks(user, pointed_thing)
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if node then
-- call global on_use function with strength of 2
local used = bonemeal:on_use(pointed_thing.under, 2, node)
-- take item if not in creative
if used and not bonemeal.is_creative(user:get_player_name()) then
itemstack:take_item()
end
end
return itemstack
end
})
-- fertiliser (strength 3)
minetest.register_craftitem("bonemeal:fertiliser", {
description = S("Fertiliser"),
inventory_image = "bonemeal_fertiliser.png",
on_use = function(itemstack, user, pointed_thing)
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-- use helper function to do checks and return position and node
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local node = use_checks(user, pointed_thing)
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if node then
-- call global on_use function with strength of 3
local used = bonemeal:on_use(pointed_thing.under, 3, node)
-- take item if not in creative
if used and not bonemeal.is_creative(user:get_player_name()) then
itemstack:take_item()
end
end
return itemstack
end
})
-- bone
minetest.register_craftitem("bonemeal:bone", {
description = S("Bone"),
inventory_image = "bonemeal_bone.png",
groups = {bone = 1}
})
-- gelatin powder
minetest.register_craftitem("bonemeal:gelatin_powder", {
description = S("Gelatin Powder"),
inventory_image = "bonemeal_gelatin_powder.png",
groups = {food_gelatin = 1, flammable = 2}
})
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--
-- crafting recipes
--
-- gelatin powder
minetest.register_craft({
output = "bonemeal:gelatin_powder 4",
recipe = {
{"group:bone", "group:bone", "group:bone"},
{"bucket:bucket_water", "bucket:bucket_water", "bucket:bucket_water"},
{"bucket:bucket_water", "default:torch", "bucket:bucket_water"}
},
replacements = {
{"bucket:bucket_water", "bucket:bucket_empty 5"}
}
})
-- bonemeal (from bone)
minetest.register_craft({
type = "cooking",
output = "bonemeal:bonemeal 2",
recipe = "group:bone",
cooktime = 4
})
-- bonemeal (from player bones)
if minetest.settings:get_bool("bonemeal.disable_deathbones_recipe") ~= true then
minetest.register_craft({
output = "bonemeal:bone 2",
recipe = {{"bones:bones"}}
})
end
-- bonemeal (from coral skeleton)
minetest.register_craft({
output = "bonemeal:bonemeal 2",
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recipe = {{"default:coral_skeleton"}}
})
-- mulch
minetest.register_craft({
output = "bonemeal:mulch 4",
recipe = {
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{"group:tree", "group:leaves", "group:leaves"},
{"group:leaves", "group:leaves", "group:leaves"},
{"group:leaves", "group:leaves", "group:leaves"}
}
})
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minetest.register_craft({
output = "bonemeal:mulch",
recipe = {
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{"group:seed", "group:seed", "group:seed"},
{"group:seed", "group:seed", "group:seed"},
{"group:seed", "group:seed", "group:seed"}
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}
})
-- fertiliser
minetest.register_craft({
output = "bonemeal:fertiliser 2",
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recipe = {{"bonemeal:bonemeal", "bonemeal:mulch"}}
})
-- add bones to dirt
minetest.override_item("default:dirt", {
drop = {
max_items = 1,
items = {
{
items = {"bonemeal:bone"},
rarity = 40
},
{
items = {"default:dirt"}
}
}
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}
})
-- add support for other mods
dofile(path .. "/mods.lua")
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-- lucky block support
if minetest.get_modpath("lucky_block") then
dofile(path .. "/lucky_block.lua")
end
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print ("[MOD] Bonemeal loaded")