1
0
Fork 0
VoxeLibre/mods/ITEMS/mcl_core/functions.lua

639 lines
17 KiB
Lua
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

--
-- Lavacooling
--
mcl_core.cool_lava_source = function(pos)
minetest.set_node(pos, {name="mcl_core:obsidian"})
end
mcl_core.cool_lava_flowing = function(pos)
minetest.set_node(pos, {name="mcl_core:stone"})
end
minetest.register_abm({
nodenames = {"mcl_core:lava_flowing"},
neighbors = {"group:water"},
interval = 1,
chance = 1,
action = function(pos, node, active_object_count, active_object_count_wider)
mcl_core.cool_lava_flowing(pos, node, active_object_count, active_object_count_wider)
end,
})
minetest.register_abm({
nodenames = {"mcl_core:lava_source"},
neighbors = {"group:water"},
interval = 1,
chance = 1,
action = function(pos, node, active_object_count, active_object_count_wider)
mcl_core.cool_lava_source(pos, node, active_object_count, active_object_count_wider)
end,
})
--
-- Papyrus and cactus growing
--
-- Functions
mcl_core.grow_cactus = function(pos, node)
pos.y = pos.y-1
local name = minetest.get_node(pos).name
if minetest.get_item_group(name, "sand") ~= 0 then
pos.y = pos.y+1
local height = 0
while minetest.get_node(pos).name == "mcl_core:cactus" and height < 4 do
height = height+1
pos.y = pos.y+1
end
if height < 3 then
if minetest.get_node(pos).name == "air" then
minetest.set_node(pos, {name="mcl_core:cactus"})
end
end
end
end
mcl_core.grow_reeds = function(pos, node)
pos.y = pos.y-1
local name = minetest.get_node(pos).name
if minetest.get_node_group(name, "soil_sugarcane") ~= 0 then
if minetest.find_node_near(pos, 1, {"group:water"}) == nil and minetest.find_node_near(pos, 1, {"group:frosted_ice"}) == nil then
return
end
pos.y = pos.y+1
local height = 0
while minetest.get_node(pos).name == "mcl_core:reeds" and height < 3 do
height = height+1
pos.y = pos.y+1
end
if height < 3 then
if minetest.get_node(pos).name == "air" then
minetest.set_node(pos, {name="mcl_core:reeds"})
end
end
end
end
-- ABMs
local function drop_attached_node(p)
local nn = minetest.get_node(p).name
minetest.remove_node(p)
for _, item in pairs(minetest.get_node_drops(nn, "")) do
local pos = {
x = p.x + math.random()/2 - 0.25,
y = p.y + math.random()/2 - 0.25,
z = p.z + math.random()/2 - 0.25,
}
minetest.add_item(pos, item)
end
end
-- Remove attached nodes next to flowing water
minetest.register_abm({
nodenames = {"group:dig_by_water"},
neighbors = {"group:water"},
interval = 1,
chance = 1,
action = function(pos, node, active_object_count, active_object_count_wider)
for xp=-1,1 do
for zp=-1,1 do
local p = {x=pos.x+xp, y=pos.y, z=pos.z+zp}
local n = minetest.get_node(p)
local d = minetest.registered_nodes[n.name]
if (d.groups.water and d.liquidtype == "flowing") then
drop_attached_node(pos)
minetest.dig_node(pos)
break
end
end
end
for yp=-1,1 do
local p = {x=pos.x, y=pos.y+yp, z=pos.z}
local n = minetest.get_node(p)
local d = minetest.registered_nodes[n.name]
if (d.groups.water and d.liquidtype == "flowing") then
drop_attached_node(pos)
minetest.dig_node(pos)
break
end
end
end,
})
minetest.register_abm({
nodenames = {"mcl_core:cactus"},
neighbors = {"group:sand"},
interval = 25,
chance = 10,
action = function(pos)
mcl_core.grow_cactus(pos)
end,
})
minetest.register_abm({
nodenames = {"mcl_core:reeds"},
neighbors = {"group:soil_sugarcane"},
interval = 25,
chance = 10,
action = function(pos)
mcl_core.grow_reeds(pos)
end,
})
--
-- Papyrus and cactus drop
--
local timber_nodenames={"mcl_core:reeds"}
minetest.register_on_dignode(function(pos, node)
local i=1
while timber_nodenames[i]~=nil do
if node.name==timber_nodenames[i] then
local np={x=pos.x, y=pos.y+1, z=pos.z}
while minetest.get_node(np).name==timber_nodenames[i] do
minetest.remove_node(np)
if not minetest.setting_getbool("creative_mode") then
minetest.add_item(np, timber_nodenames[i])
end
np={x=np.x, y=np.y+1, z=np.z}
end
end
i=i+1
end
end)
local function air_leaf(leaftype)
if math.random(0, 50) == 3 then
return {name = "air"}
else
return {name = leaftype}
end
end
function mcl_core.generate_tree(pos, trunk, leaves, typearbre)
pos.y = pos.y-1
local nodename = minetest.get_node(pos).name
pos.y = pos.y+1
if not minetest.get_node_light(pos) then
return
end
local node
if typearbre == nil or typearbre == 1 then
node = {name = ""}
for dy=1,4 do
pos.y = pos.y+dy
if minetest.get_node(pos).name ~= "air" then
return
end
pos.y = pos.y-dy
end
node = {name = trunk}
for dy=0,4 do
pos.y = pos.y+dy
if minetest.get_node(pos).name == "air" then
minetest.add_node(pos, node)
end
pos.y = pos.y-dy
end
node = {name = leaves}
pos.y = pos.y+3
local rarity = 0
if math.random(0, 10) == 3 then
rarity = 1
end
for dx=-2,2 do
for dz=-2,2 do
for dy=0,3 do
pos.x = pos.x+dx
pos.y = pos.y+dy
pos.z = pos.z+dz
if dx == 0 and dz == 0 and dy==3 then
if minetest.get_node(pos).name == "air" and math.random(1, 5) <= 4 then
minetest.add_node(pos, node)
minetest.add_node(pos, air_leaf(leaves))
end
elseif dx == 0 and dz == 0 and dy==4 then
if minetest.get_node(pos).name == "air" and math.random(1, 5) <= 4 then
minetest.add_node(pos, node)
minetest.add_node(pos, air_leaf(leaves))
end
elseif math.abs(dx) ~= 2 and math.abs(dz) ~= 2 then
if minetest.get_node(pos).name == "air" then
minetest.add_node(pos, node)
minetest.add_node(pos, air_leaf(leaves))
end
else
if math.abs(dx) ~= 2 or math.abs(dz) ~= 2 then
if minetest.get_node(pos).name == "air" and math.random(1, 5) <= 4 then
minetest.add_node(pos, node)
minetest.add_node(pos, air_leaf(leaves))
end
end
end
pos.x = pos.x-dx
pos.y = pos.y-dy
pos.z = pos.z-dz
end
end
end
elseif typearbre == 2 then
node = {name = ""}
-- can place big tree ?
local tree_size = math.random(15, 25)
for dy=1,4 do
pos.y = pos.y+dy
if minetest.get_node(pos).name ~= "air" then
return
end
pos.y = pos.y-dy
end
--Cheak for placing big tree
pos.y = pos.y-1
for dz=0,1 do
pos.z = pos.z + dz
--> 0
if minetest.get_node(pos).name == "mcl_core:dirt_with_grass"
or minetest.get_node(pos).name == "mcl_core:dirt" then else
return
end
pos.x = pos.x+1
--> 1
if minetest.get_node(pos).name == "mcl_core:dirt_with_grass"
or minetest.get_node(pos).name == "mcl_core:dirt" then else
return
end
pos.x = pos.x-1
pos.z = pos.z - dz
end
pos.y = pos.y+1
-- Make tree with vine
node = {name = trunk}
for dy=0,tree_size do
pos.y = pos.y+dy
for dz=-1,2 do
if dz == -1 then
pos.z = pos.z + dz
if math.random(1, 3) == 1 and minetest.get_node(pos).name == "air" then
minetest.add_node(pos, {name = "mcl_core:vine", param2 = 4})
end
pos.x = pos.x+1
if math.random(1, 3) == 1 and minetest.get_node(pos).name == "air" then
minetest.add_node(pos, {name = "mcl_core:vine", param2 = 4})
end
pos.x = pos.x-1
pos.z = pos.z - dz
elseif dz == 2 then
pos.z = pos.z + dz
if math.random(1, 3) == 1 and minetest.get_node(pos).name == "air"then
minetest.add_node(pos, {name = "mcl_core:vine", param2 = 5})
end
pos.x = pos.x+1
if math.random(1, 3) == 1 and minetest.get_node(pos).name == "air" then
minetest.add_node(pos, {name = "mcl_core:vine", param2 = 5})
end
pos.x = pos.x-1
pos.z = pos.z - dz
else
pos.z = pos.z + dz
pos.x = pos.x-1
if math.random(1, 3) == 1 and minetest.get_node(pos).name == "air" then
minetest.add_node(pos, {name = "mcl_core:vine", param2 = 2})
end
pos.x = pos.x+1
if minetest.get_node(pos).name == "air" then
minetest.add_node(pos, {name = trunk, param2=2})
end
pos.x = pos.x+1
if minetest.get_node(pos).name == "air" then
minetest.add_node(pos, {name = trunk, param2=2})
end
pos.x = pos.x+1
if math.random(1, 3) == 1 and minetest.get_node(pos).name == "air" then
minetest.add_node(pos, {name = "mcl_core:vine", param2 = 3})
end
pos.x = pos.x-2
pos.z = pos.z - dz
end
end
pos.y = pos.y-dy
end
-- make leaves
node = {name = leaves}
pos.y = pos.y+tree_size-4
for dx=-4,4 do
for dz=-4,4 do
for dy=0,3 do
pos.x = pos.x+dx
pos.y = pos.y+dy
pos.z = pos.z+dz
if dx == 0 and dz == 0 and dy==3 then
if minetest.get_node(pos).name == "air" or minetest.get_node(pos).name == "mcl_core:vine" and math.random(1, 2) == 1 then
minetest.add_node(pos, node)
end
elseif dx == 0 and dz == 0 and dy==4 then
if minetest.get_node(pos).name == "air" or minetest.get_node(pos).name == "mcl_core:vine" and math.random(1, 5) == 1 then
minetest.add_node(pos, node)
minetest.add_node(pos, air_leaf(leaves))
end
elseif math.abs(dx) ~= 2 and math.abs(dz) ~= 2 then
if minetest.get_node(pos).name == "air" or minetest.get_node(pos).name == "mcl_core:vine" then
minetest.add_node(pos, node)
end
else
if math.abs(dx) ~= 2 or math.abs(dz) ~= 2 then
if minetest.get_node(pos).name == "air" or minetest.get_node(pos).name == "mcl_core:vine" and math.random(1, 3) == 1 then
minetest.add_node(pos, node)
end
else
if math.random(1, 5) == 1 and minetest.get_node(pos).name == "air" then
minetest.add_node(pos, node)
end
end
end
pos.x = pos.x-dx
pos.y = pos.y-dy
pos.z = pos.z-dz
end
end
end
end
end
------------------------------
-- Try generate grass dirt ---
------------------------------
-- turn dirt to dirt with grass
minetest.register_abm({
nodenames = {"mcl_core:dirt"},
neighbors = {"air"},
interval = 30,
chance = 20,
action = function(pos)
if pos == nil then
return
end
local can_change = 0
for i=1,4 do
local p = {x=pos.x, y=pos.y+i, z=pos.z}
local n = minetest.get_node(p)
-- On verifie si il y a de l'air
if (n.name=="air") then
can_change = can_change + 1
end
end
if can_change > 3 then
local light = minetest.get_node_light(pos)
if light or light > 10 then
minetest.add_node(pos, {name="mcl_core:dirt_with_grass"})
end
end
end,
})
--------------------------
-- Try generate tree ---
--------------------------
local treelight = 9
local sapling_grow_action = function(trunknode, leafnode, tree_id, soil_needed)
return function(pos)
local light = minetest.get_node_light(pos)
local soilnode = minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z})
local soiltype = minetest.get_item_group(soilnode.name, "soil_sapling")
if soiltype >= soil_needed and light and light >= treelight then
-- Increase and check growth stage
local meta = minetest.get_meta(pos)
local stage = meta:get_int("stage")
if stage == nil then stage = 0 end
stage = stage + 1
if stage == 2 then
minetest.set_node(pos, {name="air"})
mcl_core.generate_tree(pos, trunknode, leafnode, tree_id)
else
meta:set_int("stage", stage)
end
end
end
end
-- TODO: Use better tree models for everything
-- TODO: Support 2×2 saplings
-- Oak tree
minetest.register_abm({
nodenames = {"mcl_core:sapling"},
neighbors = {"group:soil_sapling"},
interval = 20,
chance = 1,
action = sapling_grow_action("mcl_core:tree", "mcl_core:leaves", 1, 1),
})
-- Dark oak tree
minetest.register_abm({
nodenames = {"mcl_core:darksapling"},
neighbors = {"group:soil_sapling"},
interval = 20,
chance = 1,
action = sapling_grow_action("mcl_core:darktree", "mcl_core:darkleaves", 1, 2),
})
-- Jungle Tree
minetest.register_abm({
nodenames = {"mcl_core:junglesapling"},
neighbors = {"group:soil_sapling"},
interval = 20,
chance = 1,
action = sapling_grow_action("mcl_core:jungletree", "mcl_core:jungleleaves", 1, 2)
})
-- Spruce tree
minetest.register_abm({
nodenames = {"mcl_core:sprucesapling"},
neighbors = {"group:soil_sapling"},
interval = 20,
chance = 1,
action = sapling_grow_action("mcl_core:sprucetree", "mcl_core:spruceleaves", 1, 1),
})
-- Birch tree
minetest.register_abm({
nodenames = {"mcl_core:birchsapling"},
neighbors = {"group:soil_sapling"},
interval = 20,
chance = 1,
action = sapling_grow_action("mcl_core:birchtree", "mcl_core:birchleaves", 1, 1),
})
-- Acacia tree
minetest.register_abm({
nodenames = {"mcl_core:acaciasapling"},
neighbors = {"group:soil_sapling"},
interval = 20,
chance = 1,
action = sapling_grow_action("mcl_core:acaciatree", "mcl_core:acacialeaves", 1, 2),
})
---------------------
-- Vine generating --
---------------------
minetest.register_abm({
nodenames = {"mcl_core:vine"},
interval = 80,
chance = 5,
action = function(pos, node, active_object_count, active_object_count_wider)
local newpos = {x=pos.x, y=pos.y-1, z=pos.z}
local n = minetest.get_node(newpos)
if n.name == "air" then
local walldir = node.param2
minetest.add_node(newpos, {name = "mcl_core:vine", param2 = walldir})
end
end
})
-- Leaf Decay
-- To enable leaf decay for a node, add it to the "leafdecay" group.
--
-- The rating of the group determines how far from a node in the group "tree"
-- the node can be without decaying.
--
-- If param2 of the node is ~= 0, the node will always be preserved. Thus, if
-- the player places a node of that kind, you will want to set param2=1 or so.
--
-- If the node is in the leafdecay_drop group then the it will always be dropped
-- as an item
mcl_core.leafdecay_trunk_cache = {}
mcl_core.leafdecay_enable_cache = true
-- Spread the load of finding trunks
mcl_core.leafdecay_trunk_find_allow_accumulator = 0
minetest.register_globalstep(function(dtime)
local finds_per_second = 5000
mcl_core.leafdecay_trunk_find_allow_accumulator =
math.floor(dtime * finds_per_second)
end)
minetest.register_abm({
nodenames = {"group:leafdecay"},
neighbors = {"air", "group:liquid"},
-- A low interval and a high inverse chance spreads the load
interval = 2,
chance = 5,
action = function(p0, node, _, _)
local do_preserve = false
local d = minetest.registered_nodes[node.name].groups.leafdecay
if not d or d == 0 then
return
end
local n0 = minetest.get_node(p0)
if n0.param2 ~= 0 then
-- Prevent leafdecay for player-placed leaves.
-- param2 is set to 1 after it was placed by the player
return
end
local p0_hash = nil
if mcl_core.leafdecay_enable_cache then
p0_hash = minetest.hash_node_position(p0)
local trunkp = mcl_core.leafdecay_trunk_cache[p0_hash]
if trunkp then
local n = minetest.get_node(trunkp)
local reg = minetest.registered_nodes[n.name]
-- Assume ignore is a trunk, to make the thing work at the border of the active area
if n.name == "ignore" or (reg and reg.groups.tree and reg.groups.tree ~= 0) then
return
end
-- Cache is invalid
table.remove(mcl_core.leafdecay_trunk_cache, p0_hash)
end
end
if mcl_core.leafdecay_trunk_find_allow_accumulator <= 0 then
return
end
mcl_core.leafdecay_trunk_find_allow_accumulator =
mcl_core.leafdecay_trunk_find_allow_accumulator - 1
-- Assume ignore is a trunk, to make the thing work at the border of the active area
local p1 = minetest.find_node_near(p0, d, {"ignore", "group:tree"})
if p1 then
do_preserve = true
if mcl_core.leafdecay_enable_cache then
-- Cache the trunk
mcl_core.leafdecay_trunk_cache[p0_hash] = p1
end
end
if not do_preserve then
-- Drop stuff other than the node itself
local itemstacks = minetest.get_node_drops(n0.name)
for _, itemname in ipairs(itemstacks) do
if minetest.get_item_group(n0.name, "leafdecay_drop") ~= 0 or
itemname ~= n0.name then
local p_drop = {
x = p0.x - 0.5 + math.random(),
y = p0.y - 0.5 + math.random(),
z = p0.z - 0.5 + math.random(),
}
minetest.add_item(p_drop, itemname)
end
end
-- Remove node
minetest.remove_node(p0)
core.check_for_falling(p0)
end
end
})
------------------------
-- Create Color Glass --
------------------------
function mcl_core.add_glass(desc, recipeitem, color)
minetest.register_node("mcl_core:glass_"..color, {
description = desc,
_doc_items_longdesc = "Stained glass is a decorational and mostly transparent block which comes in various different colors.",
drawtype = "glasslike",
is_ground_content = false,
tiles = {"xpanes_pane_glass_"..color..".png"},
inventory_image = minetest.inventorycube("xpanes_pane_glass_"..color..".png"),
paramtype = "light",
use_texture_alpha = true,
stack_max = 64,
groups = {handy=1, glass=1, building_block=1, material_glass=1},
sounds = mcl_sounds.node_sound_glass_defaults(),
drop = "",
_mcl_blast_resistance = 1.5,
_mcl_hardness = 0.3,
})
minetest.register_craft({
output = 'mcl_core:glass_'..color..' 8',
recipe = {
{'mcl_core:glass','mcl_core:glass','mcl_core:glass'},
{'mcl_core:glass','group:dye,'..recipeitem,'mcl_core:glass'},
{'mcl_core:glass','mcl_core:glass','mcl_core:glass'},
}
})
end