minetest-mod-snow/src/abms.lua
2015-06-13 10:36:08 +02:00

209 lines
6.2 KiB
Lua

--Backwards Compatability.
minetest.register_abm({
nodenames = {"snow:snow1","snow:snow2","snow:snow3","gsnow4","snow:snow5","snow:snow6","snow:snow7","snow:snow8"},
interval = 1,
chance = 1,
action = function(pos, node)
minetest.add_node(pos, {name="default:snow"})
minetest.set_node_level(pos, 7*(tonumber(node.name:sub(-1))))
end,
})
-- Added to change dirt_with_snow to dirt if covered with blocks that don't let light through (sunlight_propagates) or have a light paramtype and liquidtype combination. ~ LazyJ, 2014_03_08
minetest.register_abm({
nodenames = {"default:dirt_with_snow"},
interval = 2,
chance = 20,
action = function(pos, node)
local name = minetest.get_node({x=pos.x, y=pos.y+1, z=pos.z}).name
local nodedef = minetest.registered_nodes[name]
if name ~= "ignore"
and nodedef
and not (
(nodedef.sunlight_propagates or nodedef.paramtype == "light")
and nodedef.liquidtype == "none"
) then
minetest.set_node(pos, {name = "default:dirt"})
end
end
})
--Melting
--Any node part of the group melting will melt when near warm nodes such as lava, fire, torches, etc.
--The amount of water that replaces the node is defined by the number on the group:
--1: one water_source
--2: four water_flowings
--3: one water_flowing
minetest.register_abm({
nodenames = {"group:melts"},
neighbors = {"group:igniter", "default:torch", "default:furnace_active", "group:hot"},
interval = 10,
chance = 2,
action = function(pos, node)
local intensity = minetest.get_item_group(node.name,"melts")
if intensity == 1 then
minetest.set_node(pos, {name="default:water_source"})
elseif intensity == 2 then
minetest.set_node(pos, {name="default:water_flowing", param2=7})
elseif intensity == 3 then
minetest.set_node(pos, {name="default:water_flowing", param2=3})
--[[ LazyJ, you need to add param2, which defines the amount of the flowing water ~ HybridDog 2015_03_06
This was causing "melts=2" nodes to just disappear so I changed it to replace the
node with a water_source for a couple seconds and then replace the water_source with
air. This way it made a watery mess that quickly evaporated. ~ LazyJ 2014_04_24
local check_place = function(pos,node)
if minetest.get_node(pos).name == "air" then
minetest.place_node(pos,node)
end
end
minetest.add_node(pos,{name="default:water_flowing"})
check_place({x=pos.x+1,y=pos.y,z=pos.z},{name="default:water_flowing"})
check_place({x=pos.x-1,y=pos.y,z=pos.z},{name="default:water_flowing"})
check_place({x=pos.x,y=pos.y+1,z=pos.z},{name="default:water_flowing"})
check_place({x=pos.x,y=pos.y-1,z=pos.z},{name="default:water_flowing"})
elseif intensity == 3 then
--]
minetest.add_node(pos,{name="default:water_source"})
minetest.after(2, function() -- 2 seconds gives just enough time for
-- the water to flow and spread before the
-- water_source is changed to air. ~ LazyJ
if minetest.get_node(pos).name == "default:water_source" then
minetest.add_node(pos,{name="air"})
end
end)
--]]
else
return
end
nodeupdate(pos)
end,
})
--Freezing
--Water freezes when in contact with snow.
minetest.register_abm({
nodenames = {"default:water_source"},
-- Added "group:icemaker" and snowbrick. ~ LazyJ
neighbors = {"default:snow", "default:snowblock", "snow:snow_brick", "group:icemaker"},
interval = 20,
chance = 4,
action = function(pos)
minetest.add_node(pos,{name="default:ice"})
end,
})
--Freeze Ice according to it's param2 value.
minetest.register_abm({
nodenames = {"default:ice"},
neighbors = {"default:water_source"},
interval = 20,
chance = 4,
action = function(pos, node)
if node.param2 > 0 then
for l = 0,1 do
for i = -1,1,2 do
for _,p in pairs({
{x=pos.x+i, z=pos.z-l*i},
{x=pos.x+l*i, z=pos.z+i}
}) do
if math.random(2) == 2 then
p.y = pos.y
if minetest.get_node(p).name == "default:water_source" then
minetest.add_node(p,{name="default:ice", param2 = math.random(0,node.param2-1)})
end
end
end
end
end
if math.random(8) == 8 then
minetest.add_node(pos, {name="default:water_source"})
else
minetest.add_node(pos, {name="default:ice", param2 = 0})
end
end
end,
})
--Spread moss to cobble.
minetest.register_abm({
nodenames = {"default:cobble"},
neighbors = {"snow:moss"},
interval = 20,
chance = 6,
action = function(pos, node)
node.name = "default:mossycobble"
minetest.add_node(pos, node)
end,
})
--Grow Pine Saplings
minetest.register_abm({
nodenames = {"snow:sapling_pine"},
interval = 10,
chance = 50,
action = function(pos, node)
-- Check if there is enough vertical-space for the sapling to grow without
-- hitting anything else. ~ LazyJ, 2014_04_10
-- 'If' there is air in each of the 8 nodes dirctly above the sapling,... ~LazyJ
for i = 1,8 do
if minetest.get_node({x=pos.x, y=pos.y+i, z=pos.z}).name ~= "air" then
return
end
end
-- 'then' let the sapling grow into a tree. ~ LazyJ
snow.make_pine(pos,false)
-- This finds the sapling under the grown tree. ~ LazyJ
if minetest.get_node(pos).name == "snow:sapling_pine" then
-- This switches the sapling to a tree trunk. ~ LazyJ
minetest.set_node(pos, {name="default:pinetree"})
-- This is more for testing but it may be useful info to some admins when
-- grepping the server logs too. ~ LazyJ
minetest.log("action", "A pine sapling grows into a tree at "..minetest.pos_to_string(pos))
end
end
})
--Grow Christmas Tree Saplings
minetest.register_abm({
nodenames = {"snow:xmas_tree"},
interval = 10,
chance = 50,
action = function(pos, node)
-- 'If' there is air in each of the 8 nodes dirctly above the sapling,... ~LazyJ
for i = 1,8 do
if minetest.get_node({x=pos.x, y=pos.y+i, z=pos.z}).name ~= "air" then
return
end
end
-- 'then' let the sapling grow into a tree. ~ LazyJ
snow.make_pine(pos,false,true)
minetest.log("action", "A pine sapling grows into a Christmas tree at "..minetest.pos_to_string(pos)) -- ~ LazyJ
--else -- 'Else', if there isn't air in each of the 8 nodes above the sapling,
-- then don't anything; including not allowing the sapling to grow.
-- ~ LazyJ, 2014_04_10
--end
end
})