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241a392fc1
MineClone2/mods/CORE/mcl_core/functions.lua
Wuzzy 241a392fc1 Fix sapling growth generating error messages 
The reason was that the code tried to spawn mcl_core:apple, which is not a node
2017-02-17 03:46:12 +01:00

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Lua
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--
-- 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, 3, {"group:water"}) == 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 = {"mcl_core:dirt", "mcl_core:dirt_with_grass"},
interval = 25,
chance = 10,
action = function(pos)
mcl_core.grow_reeds(pos)
end,
})
--
-- Papyrus and cactus drop
--
local timber_nodenames={"mcl_core:reeds", "mcl_core:cactus"}
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)
minetest.add_item(np, timber_nodenames[i])
np={x=np.x, y=np.y+1, z=np.z}
end
end
i=i+1
end
end)
local function air_leave()
if math.random(0, 50) == 3 then
return {name = "air"}
else
return {name = "mcl_core:leaves"}
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_leave())
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_leave())
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_leave())
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_leave())
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=-5,5 do
for dz=-5,5 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_leave())
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 ---
--------------------------
-- TODO: Acacia, dark oak, spruce, birch
-- Normal tree
minetest.register_abm({
nodenames = {"mcl_core:sapling"},
neighbors = {"group:soil_sapling"},
interval = 30,
chance = 15,
action = 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 >= 1 and light and light >= 9 then
minetest.add_node(pos, {name="air"})
mcl_core.generate_tree(pos, "mcl_core:tree", "mcl_core:leaves", 1)
end
end,
})
-- Jungle Tree
minetest.register_abm({
nodenames = {"mcl_core:junglesapling"},
neighbors = {"group:soil_sapling"},
interval = 30,
chance = 15,
action = 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 == 2 and light and light >= 9 then
minetest.add_node(pos, {name="air"})
mcl_core.generate_tree(pos, "mcl_core:jungletree", "mcl_core:jungleleaves", 2)
end
end,
})
---------------------
-- 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, _, _)
--print("leafdecay ABM at "..p0.x..", "..p0.y..", "..p0.z..")")
local do_preserve = false
local d = minetest.registered_nodes[node.name].groups.leafdecay
if not d or d == 0 then
--print("not groups.leafdecay")
return
end
local n0 = minetest.get_node(p0)
if n0.param2 ~= 0 then
--print("param2 ~= 0")
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
--print("cached trunk still exists")
return
end
--print("cached trunk is invalid")
-- 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
--print("caching trunk")
-- 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,
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 = {cracky=3,oddly_breakable_by_hand=3, building_block=1},
sounds = mcl_sounds.node_sound_glass_defaults(),
drop = "",
})
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
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