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Fix moontest:air not disappearing in vacuum

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Edited airgen to generate all air at once.  Changed air ABM to disappear
when next to vacuum, not spread.
This commit is contained in:
HeroOfTheWinds 2014-05-20 14:17:51 -10:00
parent cfff19a4f1
commit 228ff22996
2 changed files with 55 additions and 29 deletions
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47
mods/moontest/init.lua
View file

@ -119,36 +119,45 @@ minetest.register_on_dignode(function(pos, oldnode, digger)
end
end)
-- Air spreads
-- Air dies
--this is the hackiest code I've ever written
-- If neighbors worked as I would like it to, this wouldn't be necessary...
minetest.register_abm({
nodenames = {"moontest:air"},
neighbors = {"moontest:vacuum", "air"},
interval = 11,
chance = 9,
neighbors = {"moontest:vacuum"},
interval = 1,
chance = 1,
action = function(pos, node, active_object_count, active_object_count_wider)
local spread = minetest.get_meta(pos):get_int("spread")
if spread <= 0 then
return
end
local x = pos.x
local y = pos.y
local z = pos.z
for i = -1,1 do
for j = -1,1 do
for k = -1,1 do
if not (i == 0 and j == 0 and k == 0) then
local nodename = minetest.get_node({x=x+i,y=y+j,z=z+k}).name
if nodename == "moontest:vacuum"
or nodename == "air" then
minetest.add_node({x=x+i,y=y+j,z=z+k},{name="moontest:air"})
minetest.get_meta({x=x+i,y=y+j,z=z+k}):set_int("spread", (spread - 1))
print ("[moontest] MR air spreads "..(spread - 1))
--adjacent node positions
local left = {x=x-1,y=y,z=z}
local right = {x=x+1,y=y,z=z}
local up = {x=x,y=y+1,z=z}
local down = {x=x,y=y-1,z=z}
local forward = {x=x,y=y,z=z+1}
local back = {x=x,y=y,z=z-1}
--cross references those for vacuum, spread if true
if minetest.get_node(left).name == "moontest:vacuum" then
minetest.set_node(pos, {name="moontest:vacuum"})
end
if minetest.get_node(right).name == "moontest:vacuum" then
minetest.set_node(pos, {name="moontest:vacuum"})
end
if minetest.get_node(up).name == "moontest:vacuum" then
minetest.set_node(pos, {name="moontest:vacuum"})
end
if minetest.get_node(down).name == "moontest:vacuum" then
minetest.set_node(pos, {name="moontest:vacuum"})
end
if minetest.get_node(forward).name == "moontest:vacuum" then
minetest.set_node(pos, {name="moontest:vacuum"})
end
if minetest.get_node(back).name == "moontest:vacuum" then
minetest.set_node(pos, {name="moontest:vacuum"})
end
end
})

33
mods/moontest/nodes.lua
View file

@ -78,21 +78,38 @@ minetest.register_node("moontest:airgen", {
local x = pos.x
local y = pos.y
local z = pos.z
for i = -1,1 do
for j = -1,1 do
for k = -1,1 do
--fire up the voxel manipulator
local vm = minetest.get_voxel_manip()
local p1 = {x=x-16,y=y-16,z=z-16}
local p2 = {x=x+16,y=y+16,z=z+16}
pmin, pmax = vm:read_from_map(p1,p2)
local area = VoxelArea:new{MinEdge=pmin, MaxEdge=pmax}
local data = vm:get_data()
local c_vac = minetest.get_content_id("moontest:vacuum")
local c_gair = minetest.get_content_id("moontest:air")
for i = -16,16 do
for j = -16,16 do
for k = -16,16 do
if not (i == 0 and j == 0 and k == 0) then
local nodename = minetest.get_node({x=x+i,y=y+j,z=z+k}).name
if nodename == "moontest:vacuum" then
minetest.add_node({x=x+i,y=y+j,z=z+k},{name="moontest:air"})
minetest.get_meta({x=x+i,y=y+j,z=z+k}):set_int("spread", 16)
print ("[moontest] Added MR air node")
if i*i+j*j+k*k <= 16 * 16 + 16 then
--grab the location of the node in question
local vi = area:index(x+i, y+j, z+k)
--if it's vacuum, it won't be now!
if data[vi] == c_vac then
data[vi] = c_gair
end
end
end
end
end
end
--write the voxel manipulator data back to world
vm:set_data(data)
vm:write_to_map(data)
vm:update_map()
end
})