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Place up/down pistons automatically depending on the player look direction, remove the craft recipes for up/down pistons, and unify all the pushing/pulling behaviors into mesecon:piston_push(pos) and mesecon:piston_pull(pos).

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This commit is contained in:
Anthony Zhang 2012-12-15 19:12:20 -05:00
parent b5f5beeb3d
commit aab0d4d943
3 changed files with 373 additions and 570 deletions
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503
mesecons_pistons/init.lua
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@ -1,35 +1,211 @@
--PISTONS --PISTONS
--starts the timer to make the piston update to its new state
local update = function(pos, node) local update = function(pos, node)
local timer = minetest.env:get_node_timer(pos) local timer = minetest.env:get_node_timer(pos)
timer:stop() timer:stop()
timer:start(0) timer:start(0)
end end
minetest.register_node("mesecons_pistons:piston_normal", { --on_destruct callback, removes the piston pusher if it is present
description = "Piston", local destruct = function(pos, oldnode)
tiles = {"jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_side.png"},
groups = {cracky=3, mesecon=2},
paramtype2 = "facedir",
after_destruct = function(pos, oldnode)
local dir = mesecon:piston_get_direction(oldnode) local dir = mesecon:piston_get_direction(oldnode)
pos.x, pos.y, pos.z = pos.x + dir.x, pos.y + dir.y, pos.z + dir.z --move to first node to check pos.x, pos.y, pos.z = pos.x + dir.x, pos.y + dir.y, pos.z + dir.z --move to first node to check
--ensure piston is extended --ensure piston is extended
local checknode = minetest.env:get_node(pos) local checknode = minetest.env:get_node(pos)
if checknode.name == "mesecons_pistons:piston_pusher_normal" then if checknode.name == "mesecons_pistons:piston_pusher_normal"
or checknode.name == "mesecons_pistons:piston_pusher_sticky" then
if checknode.param2 == oldnode.param2 then --pusher is facing the same direction as the piston if checknode.param2 == oldnode.param2 then --pusher is facing the same direction as the piston
minetest.env:remove_node(pos) --remove the pusher minetest.env:remove_node(pos) --remove the pusher
end end
elseif oldnode.name == "mesecons_pistons:piston_up_normal" or oldnode.name == "mesecons_pistons:piston_up_sticky" then
if checknode.name == "mesecons_pistons:piston_up_pusher_normal" or checknode.name == "mesecons_pistons:piston_up_pusher_sticky" then
minetest.env:remove_node(pos) --remove the pusher
end end
end, elseif oldnode.name == "mesecons_pistons:piston_down_normal" or oldnode.name == "mesecons_pistons:piston_down_sticky" then
on_timer = function(pos, elapsed) if checknode.name == "mesecons_pistons:piston_down_pusher_normal" or checknode.name == "mesecons_pistons:piston_down_pusher_sticky" then
minetest.env:remove_node(pos) --remove the pusher
end
end
end
--node timer callback, pushes/pulls the piston depending on whether it is powered
local timer = function(pos, elapsed)
if mesecon:is_powered(pos) then if mesecon:is_powered(pos) then
mesecon:piston_push(pos) mesecon:piston_push(pos)
else else
mesecon:piston_pull(pos) mesecon:piston_pull(pos)
end end
return false return false
end
--piston push action
function mesecon:piston_push(pos)
local node = minetest.env:get_node(pos)
local dir = mesecon:piston_get_direction(node)
pos = {x=pos.x + dir.x, y=pos.y + dir.y, z=pos.z + dir.z} --move to first node being pushed
--determine the number of nodes that need to be pushed
local count = 0
local checkpos = {x=pos.x, y=pos.y, z=pos.z} --first node being pushed
while true do
local checknode = minetest.env:get_node(checkpos)
--check for collision with stopper or bounds
if mesecon:is_mvps_stopper(checknode.name) or checknode.name == "ignore" then
return
end
--check for column end
if checknode.name == "air"
or not(minetest.registered_nodes[checknode.name].liquidtype == "none") then
break
end
--limit piston pushing capacity
count = count + 1
if count > 15 then
return
end
checkpos.x, checkpos.y, checkpos.z = checkpos.x + dir.x, checkpos.y + dir.y, checkpos.z + dir.z
end
local checknode = minetest.env:get_node(pos)
--add pusher
if node.name == "mesecons_pistons:piston_normal" then
minetest.env:add_node(pos, {name="mesecons_pistons:piston_pusher_normal", param2=node.param2})
elseif node.name == "mesecons_pistons:piston_sticky" then
minetest.env:add_node(pos, {name="mesecons_pistons:piston_pusher_sticky", param2=node.param2})
elseif node.name == "mesecons_pistons:piston_up_normal" then
minetest.env:add_node(pos, {name="mesecons_pistons:piston_up_pusher_normal"})
elseif node.name == "mesecons_pistons:piston_up_sticky" then
minetest.env:add_node(pos, {name="mesecons_pistons:piston_up_pusher_sticky"})
elseif node.name == "mesecons_pistons:piston_down_normal" then
minetest.env:add_node(pos, {name="mesecons_pistons:piston_down_pusher_normal"})
elseif node.name == "mesecons_pistons:piston_down_sticky" then
minetest.env:add_node(pos, {name="mesecons_pistons:piston_down_pusher_sticky"})
end
--move nodes forward
for i = 1, count do
pos.x, pos.y, pos.z = pos.x + dir.x, pos.y + dir.y, pos.z + dir.z --move to the next node
--check for conductor --wip: not sure if still needed
if mesecon:is_conductor_on(checknode.name) then
checknode.name = mesecon:get_conductor_off(checknode.name)
end
--move the node forward
local nextnode = minetest.env:get_node(pos)
minetest.env:add_node(pos, checknode)
checknode = nextnode
end
--update nodes
for i = 1, count do
mesecon:updatenode(pos)
nodeupdate(pos)
pos.x, pos.y, pos.z = pos.x - dir.x, pos.y - dir.y, pos.z - dir.z --move to the previous node
end
end
--piston pull action
function mesecon:piston_pull(pos)
local node = minetest.env:get_node(pos)
local dir = mesecon:piston_get_direction(node)
pos = {x=pos.x + dir.x, y=pos.y + dir.y, z=pos.z + dir.z} --move to first node being replaced
--ensure piston is extended
local checknode = minetest.env:get_node(pos)
if node.name == "mesecons_pistons:piston_up_normal" or node.name == "mesecons_pistons:piston_up_sticky" then --up piston
if checknode.name ~= "mesecons_pistons:piston_up_pusher_normal" and checknode.name ~= "mesecons_pistons:piston_up_pusher_sticky" then
return --piston is not extended
end
elseif node.name == "mesecons_pistons:piston_down_normal" or node.name == "mesecons_pistons:piston_down_sticky" then --down piston
if checknode.name ~= "mesecons_pistons:piston_down_pusher_normal" and checknode.name ~= "mesecons_pistons:piston_down_pusher_sticky" then
return --piston is not extended
end
else --horizontal piston
if checknode.name ~= "mesecons_pistons:piston_pusher_normal" and checknode.name ~= "mesecons_pistons:piston_pusher_sticky" then
return --piston is not extended
end
if checknode.param2 ~= node.param2 then --pusher is not facing the same direction as the piston
return --piston is not extended
end
end
--retract piston
minetest.env:remove_node(pos) --remove pusher
if node.name == "mesecons_pistons:piston_sticky"
or node.name == "mesecons_pistons:piston_up_sticky"
or node.name == "mesecons_pistons:piston_down_sticky" then --retract block if piston is sticky
local checkpos = {x=pos.x + dir.x, y=pos.y + dir.y, z=pos.z + dir.z} --move to the node to be retracted
checknode = minetest.env:get_node(checkpos)
if checknode.name ~= "air"
and checknode.name ~= "ignore"
and minetest.registered_nodes[checknode.name].liquidtype == "none"
and not mesecon:is_mvps_stopper(checknode.name) then
minetest.env:add_node(pos, checknode)
minetest.env:remove_node(checkpos)
mesecon:updatenode(checkpos)
nodeupdate(checkpos)
end
end
mesecon:updatenode(pos)
nodeupdate(pos)
end
--push direction of a piston
function mesecon:piston_get_direction(node)
if node.name == "mesecons_pistons:piston_up_normal" or node.name == "mesecons_pistons:piston_up_sticky" then
return {x=0, y=1, z=0}
elseif node.name == "mesecons_pistons:piston_down_normal" or node.name == "mesecons_pistons:piston_down_sticky" then
return {x=0, y=-1, z=0}
elseif node.param2 == 3 then
return {x=1, y=0, z=0}
elseif node.param2 == 2 then
return {x=0, y=0, z=1}
elseif node.param2 == 1 then
return {x=-1, y=0, z=0}
else --node.param2 == 0
return {x=0, y=0, z=-1}
end
end
--horizontal pistons
minetest.register_node("mesecons_pistons:piston_normal", {
description = "Piston",
tiles = {"jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_side.png"},
groups = {cracky=3, mesecon=2},
paramtype2 = "facedir",
after_destruct = destruct,
on_timer = timer,
on_place = function(itemstack, placer, pointed_thing)
if pointed_thing.type ~= "node" then --can be placed only on nodes
return itemstack
end
if not placer then
return minetest.item_place(itemstack, placer, pointed_thing)
end
local dir = placer:get_look_dir()
if math.abs(dir.y) > math.abs(dir.x) and math.abs(dir.y) > math.abs(dir.z) then --vertical look direction is most significant
local fakestack
if dir.y > 0 then
fakestack = ItemStack("mesecons_pistons:piston_down_normal")
else
fakestack = ItemStack("mesecons_pistons:piston_up_normal")
end
local ret = minetest.item_place(fakestack, placer, pointed_thing)
if ret:is_empty() then
itemstack:take_item()
return itemstack
end
end
return minetest.item_place(itemstack, placer, pointed_thing) --place piston normally
end, end,
mesecons = {effector={ mesecons = {effector={
action_change = update action_change = update
@ -41,48 +217,36 @@ minetest.register_node("mesecons_pistons:piston_sticky", {
tiles = {"jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_sticky_side.png"}, tiles = {"jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_sticky_side.png"},
groups = {cracky=3, mesecon=2}, groups = {cracky=3, mesecon=2},
paramtype2 = "facedir", paramtype2 = "facedir",
after_destruct = function(pos, oldnode) after_destruct = destruct,
local dir = mesecon:piston_get_direction(oldnode) on_timer = timer,
pos.x, pos.y, pos.z = pos.x + dir.x, pos.y + dir.y, pos.z + dir.z --move to first node to check on_place = function(itemstack, placer, pointed_thing)
if pointed_thing.type ~= "node" then --can be placed only on nodes
--ensure piston is extended return itemstack
local checknode = minetest.env:get_node(pos)
if checknode.name == "mesecons_pistons:piston_pusher_sticky" then
if checknode.param2 == oldnode.param2 then --pusher is facing the same direction as the piston
minetest.env:remove_node(pos) --remove the pusher
end end
if not placer then
return minetest.item_place(itemstack, placer, pointed_thing)
end end
end, local dir = placer:get_look_dir()
on_timer = function(pos, elapsed) if math.abs(dir.y) > math.abs(dir.x) and math.abs(dir.y) > math.abs(dir.z) then --vertical look direction is most significant
if mesecon:is_powered(pos) then local fakestack
mesecon:piston_push(pos) if dir.y > 0 then
fakestack = ItemStack("mesecons_pistons:piston_down_sticky")
else else
mesecon:piston_pull(pos) fakestack = ItemStack("mesecons_pistons:piston_up_sticky")
end end
return false local ret = minetest.item_place(fakestack, placer, pointed_thing)
if ret:is_empty() then
itemstack:take_item()
return itemstack
end
end
return minetest.item_place(itemstack, placer, pointed_thing) --place piston normally
end, end,
mesecons = {effector={ mesecons = {effector={
action_change = update action_change = update
}} }}
}) })
minetest.register_craft({
output = '"mesecons_pistons:piston_normal" 2',
recipe = {
{"default:wood", "default:wood", "default:wood"},
{"default:cobble", "default:steel_ingot", "default:cobble"},
{"default:cobble", "group:mesecon_conductor_craftable", "default:cobble"},
}
})
minetest.register_craft({
output = "mesecons_pistons:piston_sticky",
recipe = {
{"mesecons_materials:glue"},
{"mesecons_pistons:piston_normal"},
}
})
minetest.register_node("mesecons_pistons:piston_pusher_normal", { minetest.register_node("mesecons_pistons:piston_pusher_normal", {
drawtype = "nodebox", drawtype = "nodebox",
tiles = {"jeija_piston_pusher_normal.png"}, tiles = {"jeija_piston_pusher_normal.png"},
@ -137,115 +301,170 @@ minetest.register_node("mesecons_pistons:piston_pusher_sticky", {
mesecon:register_mvps_stopper("mesecons_pistons:piston_pusher_normal") mesecon:register_mvps_stopper("mesecons_pistons:piston_pusher_normal")
mesecon:register_mvps_stopper("mesecons_pistons:piston_pusher_sticky") mesecon:register_mvps_stopper("mesecons_pistons:piston_pusher_sticky")
function mesecon:piston_push(pos) --up pistons
local node = minetest.env:get_node(pos) minetest.register_node("mesecons_pistons:piston_up_normal", {
local dir = mesecon:piston_get_direction(node) tiles = {"jeija_piston_side.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png"},
pos = {x=pos.x + dir.x, y=pos.y + dir.y, z=pos.z + dir.z} --move to first node being pushed groups = {cracky=3, mesecon=2},
after_destruct = destruct,
on_timer = timer,
mesecons = {effector={
action_change = update
}},
drop = "mesecons_pistons:piston_normal",
})
--determine the number of nodes that need to be pushed minetest.register_node("mesecons_pistons:piston_up_sticky", {
local count = 0 tiles = {"jeija_piston_sticky_side.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png"},
local checkpos = {x=pos.x, y=pos.y, z=pos.z} --first node being pushed groups = {cracky=3, mesecon=2},
while true do after_destruct = destruct,
local checknode = minetest.env:get_node(checkpos) on_timer = timer,
mesecons = {effector={
action_change = update
}},
drop = "mesecons_pistons:piston_sticky",
})
--check for collision with stopper or bounds minetest.register_node("mesecons_pistons:piston_up_pusher_normal", {
if mesecon:is_mvps_stopper(checknode.name) or checknode.name == "ignore" then drawtype = "nodebox",
return tiles = {"jeija_piston_pusher_normal.png"},
end paramtype = "light",
diggable = false,
selection_box = {
type = "fixed",
fixed = {
{-0.2, -0.5, -0.2, 0.2, 0.3, 0.2},
{-0.5, 0.3, -0.5, 0.5, 0.5, 0.5},
},
},
node_box = {
type = "fixed",
fixed = {
{-0.2, -0.5, -0.2, 0.2, 0.3, 0.2},
{-0.5, 0.3, -0.5, 0.5, 0.5, 0.5},
},
},
})
--check for column end minetest.register_node("mesecons_pistons:piston_up_pusher_sticky", {
if checknode.name == "air" drawtype = "nodebox",
or not(minetest.registered_nodes[checknode.name].liquidtype == "none") then tiles = {
break "jeija_piston_pusher_sticky.png",
end "jeija_piston_pusher_normal.png",
"jeija_piston_pusher_normal.png",
"jeija_piston_pusher_normal.png",
"jeija_piston_pusher_normal.png",
"jeija_piston_pusher_normal.png"
},
paramtype = "light",
diggable = false,
selection_box = {
type = "fixed",
fixed = {
{-0.2, -0.5, -0.2, 0.2, 0.3, 0.2},
{-0.5, 0.3, -0.5, 0.5, 0.5, 0.5},
},
},
node_box = {
type = "fixed",
fixed = {
{-0.2, -0.5, -0.2, 0.2, 0.3, 0.2},
{-0.5, 0.3, -0.5, 0.5, 0.5, 0.5},
},
},
})
--limit piston pushing capacity mesecon:register_mvps_stopper("mesecons_pistons:piston_up_pusher_normal")
count = count + 1 mesecon:register_mvps_stopper("mesecons_pistons:piston_up_pusher_sticky")
if count > 15 then
return
end
checkpos.x, checkpos.y, checkpos.z = checkpos.x + dir.x, checkpos.y + dir.y, checkpos.z + dir.z --down pistons
end minetest.register_node("mesecons_pistons:piston_down_normal", {
tiles = {"jeija_piston_tb.png", "jeija_piston_side.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png"},
groups = {cracky=3, mesecon=2},
after_destruct = destruct,
on_timer = timer,
mesecons = {effector={
action_change = update
}},
drop = "mesecons_pistons:piston_normal",
})
local checknode = minetest.env:get_node(pos) minetest.register_node("mesecons_pistons:piston_down_sticky", {
tiles = {"jeija_piston_tb.png", "jeija_piston_sticky_side.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png"},
groups = {cracky=3, mesecon=2},
after_destruct = destruct,
on_timer = timer,
mesecons = {effector={
action_change = update
}},
drop = "mesecons_pistons:piston_sticky",
})
--add pusher minetest.register_node("mesecons_pistons:piston_down_pusher_normal", {
if node.name == "mesecons_pistons:piston_normal" then drawtype = "nodebox",
minetest.env:add_node(pos, {name="mesecons_pistons:piston_pusher_normal", param2=node.param2}) tiles = {"jeija_piston_pusher_normal.png"},
else paramtype = "light",
minetest.env:add_node(pos, {name="mesecons_pistons:piston_pusher_sticky", param2=node.param2}) diggable = false,
end selection_box = {
type = "fixed",
fixed = {
{-0.2, -0.3, -0.2, 0.2, 0.5, 0.2},
{-0.5, -0.5, -0.5, 0.5, -0.3, 0.5},
},
},
node_box = {
type = "fixed",
fixed = {
{-0.2, -0.3, -0.2, 0.2, 0.5, 0.2},
{-0.5, -0.5, -0.5, 0.5, -0.3, 0.5},
},
},
})
--move nodes forward minetest.register_node("mesecons_pistons:piston_down_pusher_sticky", {
for i = 1, count do drawtype = "nodebox",
pos.x, pos.y, pos.z = pos.x + dir.x, pos.y + dir.y, pos.z + dir.z --move to the next node tiles = {
"jeija_piston_pusher_normal.png",
"jeija_piston_pusher_sticky.png",
"jeija_piston_pusher_normal.png",
"jeija_piston_pusher_normal.png",
"jeija_piston_pusher_normal.png",
"jeija_piston_pusher_normal.png"
},
paramtype = "light",
diggable = false,
selection_box = {
type = "fixed",
fixed = {
{-0.2, -0.3, -0.2, 0.2, 0.5, 0.2},
{-0.5, -0.5, -0.5, 0.5, -0.3, 0.5},
},
},
node_box = {
type = "fixed",
fixed = {
{-0.2, -0.3, -0.2, 0.2, 0.5, 0.2},
{-0.5, -0.5, -0.5, 0.5, -0.3, 0.5},
},
},
})
--check for conductor mesecon:register_mvps_stopper("mesecons_pistons:piston_down_pusher_normal")
if mesecon:is_conductor_on(checknode.name) then mesecon:register_mvps_stopper("mesecons_pistons:piston_down_pusher_sticky")
checknode.name = mesecon:get_conductor_off(checknode.name)
end
--move the node forward --craft recipes
local nextnode = minetest.env:get_node(pos) minetest.register_craft({
minetest.env:add_node(pos, checknode) output = '"mesecons_pistons:piston_normal" 2',
checknode = nextnode recipe = {
end {"default:wood", "default:wood", "default:wood"},
{"default:cobble", "default:steel_ingot", "default:cobble"},
{"default:cobble", "group:mesecon_conductor_craftable", "default:cobble"},
}
})
--update nodes minetest.register_craft({
for i = 1, count do output = "mesecons_pistons:piston_sticky",
mesecon:updatenode(pos) recipe = {
nodeupdate(pos) {"mesecons_materials:glue"},
{"mesecons_pistons:piston_normal"},
pos.x, pos.y, pos.z = pos.x - dir.x, pos.y - dir.y, pos.z - dir.z --move to the previous node }
end })
end
function mesecon:piston_pull(pos)
local node = minetest.env:get_node(pos)
local dir = mesecon:piston_get_direction(node)
pos = {x=pos.x + dir.x, y=pos.y + dir.y, z=pos.z + dir.z} --move to first node being replaced
--ensure piston is extended
local checknode = minetest.env:get_node(pos)
if checknode.name ~= "mesecons_pistons:piston_pusher_normal" and checknode.name ~= "mesecons_pistons:piston_pusher_sticky" then
return
end
if checknode.param2 ~= node.param2 then --pusher is not facing the same direction as the piston
return --piston is not extended
end
--retract piston
minetest.env:remove_node(pos) --remove pusher
if node.name == "mesecons_pistons:piston_sticky" then --retract block
local checkpos = {x=pos.x + dir.x, y=pos.y + dir.y, z=pos.z + dir.z} --move to the node to be retracted
checknode = minetest.env:get_node(checkpos)
if checknode.name ~= "air"
and checknode.name ~= "ignore"
and minetest.registered_nodes[checknode.name].liquidtype == "none"
and not mesecon:is_mvps_stopper(checknode.name) then
minetest.env:add_node(pos, checknode)
minetest.env:remove_node(checkpos)
mesecon:updatenode(checkpos)
nodeupdate(checkpos)
end
end
mesecon:updatenode(pos)
nodeupdate(pos)
end
-- get piston direction
function mesecon:piston_get_direction(node)
if node.param2 == 3 then
return {x=1, y=0, z=0}
elseif node.param2 == 2 then
return {x=0, y=0, z=1}
elseif node.param2 == 1 then
return {x=-1, y=0, z=0}
else --node.param2 == 0
return {x=0, y=0, z=-1}
end
end
dofile(minetest.get_modpath("mesecons_pistons").."/pistons_down.lua")
dofile(minetest.get_modpath("mesecons_pistons").."/pistons_up.lua")

214
mesecons_pistons/pistons_down.lua
View File

@ -1,214 +0,0 @@
--PISTONS
--registration normal one:
minetest.register_node("mesecons_pistons:piston_down_normal", {
description = "Piston DOWN",
tiles = {"jeija_piston_tb.png", "jeija_piston_side.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png"},
groups = {cracky=3, mesecon = 2},
after_dig_node = function(pos, oldnode)
local dir = {x=0, y=-1, z=0}
pos.x, pos.y, pos.z = pos.x + dir.x, pos.y + dir.y, pos.z + dir.z --move to first node to check
--ensure piston is extended
local checknode = minetest.env:get_node(pos)
if checknode.name == "mesecons_pistons:piston_down_pusher_normal" then
if checknode.param2 == oldnode.param2 then --pusher is facing the same direction as the piston
minetest.env:remove_node(pos) --remove the pusher
end
end
end,
})
mesecon:register_effector("mesecons_pistons:piston_down_normal", "mesecons_pistons:piston_down_normal")
--registration sticky one:
minetest.register_node("mesecons_pistons:piston_down_sticky", {
description = "Sticky Piston DOWN",
tiles = {"jeija_piston_tb.png", "jeija_piston_sticky_side.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png"},
groups = {cracky=3, mesecon = 2},
after_dig_node = function(pos, oldnode)
local dir = {x=0, y=-1, z=0}
pos.x, pos.y, pos.z = pos.x + dir.x, pos.y + dir.y, pos.z + dir.z --move to first node to check
--ensure piston is extended
local checknode = minetest.env:get_node(pos)
if checknode.name == "mesecons_pistons:piston_down_pusher_sticky" then
if checknode.param2 == oldnode.param2 then --pusher is facing the same direction as the piston
minetest.env:remove_node(pos) --remove the pusher
end
end
end,
})
mesecon:register_effector("mesecons_pistons:piston_down_sticky", "mesecons_pistons:piston_down_sticky")
minetest.register_craft({
output = "mesecons_pistons:piston_down_normal",
recipe = {
{"mesecons_pistons:piston_up_normal"},
}
})
minetest.register_craft({
output = "mesecons_pistons:piston_normal",
recipe = {
{"mesecons_pistons:piston_down_normal"},
}
})
minetest.register_craft({
output = "mesecons_pistons:piston_down_sticky",
recipe = {
{"mesecons_pistons:piston_up_sticky"},
}
})
minetest.register_craft({
output = "mesecons_pistons:piston_sticky",
recipe = {
{"mesecons_pistons:piston_down_sticky"},
}
})
minetest.register_node("mesecons_pistons:piston_down_pusher_normal", {
drawtype = "nodebox",
tiles = {"jeija_piston_pusher_normal.png"},
paramtype = "light",
diggable = false,
selection_box = {
type = "fixed",
fixed = {
{-0.2, -0.3, -0.2, 0.2, 0.5, 0.2},
{-0.5, -0.5, -0.5, 0.5, -0.3, 0.5},
},
},
node_box = {
type = "fixed",
fixed = {
{-0.2, -0.3, -0.2, 0.2, 0.5, 0.2},
{-0.5, -0.5, -0.5, 0.5, -0.3, 0.5},
},
},
})
mesecon:register_mvps_stopper("mesecons_pistons:piston_down_pusher_normal")
mesecon:register_mvps_stopper("mesecons_pistons:piston_down_pusher_sticky")
minetest.register_node("mesecons_pistons:piston_down_pusher_sticky", {
drawtype = "nodebox",
tiles = {
"jeija_piston_pusher_sticky.png",
"jeija_piston_pusher_normal.png",
"jeija_piston_pusher_normal.png",
"jeija_piston_pusher_normal.png",
"jeija_piston_pusher_normal.png",
"jeija_piston_pusher_normal.png"
},
paramtype = "light",
diggable = false,
selection_box = {
type = "fixed",
fixed = {
{-0.2, -0.3, -0.2, 0.2, 0.5, 0.2},
{-0.5, -0.5, -0.5, 0.5, -0.3, 0.5},
},
},
node_box = {
type = "fixed",
fixed = {
{-0.2, -0.3, -0.2, 0.2, 0.5, 0.2},
{-0.5, -0.5, -0.5, 0.5, -0.3, 0.5},
},
},
})
-- Push action
mesecon:register_on_signal_on(function(pos, node)
if node.name ~= "mesecons_pistons:piston_down_normal" and node.name ~= "mesecons_pistons:piston_down_sticky" then
return
end
local dir = {x=0, y=-1, z=0}
pos.x, pos.y, pos.z = pos.x + dir.x, pos.y + dir.y, pos.z + dir.z --move to first node being pushed
--determine the number of nodes that need to be pushed
local count = 0
local checkpos = {x=pos.x, y=pos.y, z=pos.z} --first node being pushed
while true do
local checknode = minetest.env:get_node(checkpos)
--check for collision with stopper or bounds
if mesecon:is_mvps_stopper(checknode.name) or checknode.name == "ignore" then
return
end
--check for column end
if checknode.name == "air"
or not(minetest.registered_nodes[checknode.name].liquidtype == "none") then
break
end
--limit piston pushing capacity
count = count + 1
if count > 15 then
return
end
checkpos.x, checkpos.y, checkpos.z = checkpos.x + dir.x, checkpos.y + dir.y, checkpos.z + dir.z
end
local checknode = minetest.env:get_node(pos)
minetest.env:remove_node(pos) --remove the first node
mesecon:updatenode(pos)
--add pusher
if node.name == "mesecons_pistons:piston_down_normal" then
minetest.env:add_node(pos, {name="mesecons_pistons:piston_down_pusher_normal", param2=node.param2})
else
minetest.env:add_node(pos, {name="mesecons_pistons:piston_down_pusher_sticky", param2=node.param2})
end
--move nodes forward
for i = 1, count do
pos.x, pos.y, pos.z = pos.x + dir.x, pos.y + dir.y, pos.z + dir.z --move to the next node
--move the node forward
local nextnode = minetest.env:get_node(pos)
--minetest.env:dig_node(pos)
minetest.env:set_node(pos, checknode)
mesecon:updatenode(pos)
checknode = nextnode
end
end)
--Pull action
mesecon:register_on_signal_off(function(pos, node)
if node.name ~= "mesecons_pistons:piston_down_normal" and node.name ~= "mesecons_pistons:piston_down_sticky" then
return
end
local dir = {x=0, y=-1, z=0}
pos.x, pos.y, pos.z = pos.x + dir.x, pos.y + dir.y, pos.z + dir.z --move to the node to be replaced
--ensure piston is extended
local checknode = minetest.env:get_node(pos)
if checknode.name ~= "mesecons_pistons:piston_down_pusher_normal" and checknode.name ~= "mesecons_pistons:piston_down_pusher_sticky" then
return
end
if checknode.param2 ~= node.param2 then --pusher is not facing the same direction as the piston
return --piston is not extended
end
--retract piston
minetest.env:remove_node(pos) --remove pusher
if node.name == "mesecons_pistons:piston_down_sticky" then --retract block
local checkpos = {x=pos.x + dir.x, y=pos.y + dir.y, z=pos.z + dir.z} --move to the node to be retracted
checknode = minetest.env:get_node(checkpos)
if checknode.name ~= "air"
and checknode.name ~= "ignore"
and minetest.registered_nodes[checknode.name].liquidtype == "none"
and not mesecon:is_mvps_stopper(checknode.name) then
minetest.env:remove_node(checkpos)
mesecon:updatenode(checkpos)
minetest.env:set_node(pos, checknode)
mesecon:updatenode(pos)
end
end
nodeupdate(pos)
end)

202
mesecons_pistons/pistons_up.lua
View File

@ -1,202 +0,0 @@
--PISTONS
--registration normal one:
minetest.register_node("mesecons_pistons:piston_up_normal", {
description = "Piston UP",
tiles = {"jeija_piston_side.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png"},
groups = {cracky=3, mesecon = 2},
after_dig_node = function(pos, oldnode)
local dir = {x=0, y=1, z=0}
pos.x, pos.y, pos.z = pos.x + dir.x, pos.y + dir.y, pos.z + dir.z --move to first node to check
--ensure piston is extended
local checknode = minetest.env:get_node(pos)
if checknode.name == "mesecons_pistons:piston_up_pusher_normal" then
if checknode.param2 == oldnode.param2 then --pusher is facing the same direction as the piston
minetest.env:remove_node(pos) --remove the pusher
end
end
end,
})
mesecon:register_effector("mesecons_pistons:piston_up_normal", "mesecons_pistons:piston_up_normal")
--registration sticky one:
minetest.register_node("mesecons_pistons:piston_up_sticky", {
description = "Sticky Piston UP",
tiles = {"jeija_piston_sticky_side.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png"},
groups = {cracky=3, mesecon = 2},
after_dig_node = function(pos, oldnode)
local dir = {x=0, y=1, z=0}
pos.x, pos.y, pos.z = pos.x + dir.x, pos.y + dir.y, pos.z + dir.z --move to first node to check
--ensure piston is extended
local checknode = minetest.env:get_node(pos)
if checknode.name == "mesecons_pistons:piston_up_pusher_sticky" then
if checknode.param2 == oldnode.param2 then --pusher is facing the same direction as the piston
minetest.env:remove_node(pos) --remove the pusher
end
end
end,
})
mesecon:register_effector("mesecons_pistons:piston_up_sticky", "mesecons_pistons:piston_up_sticky")
minetest.register_craft({
output = "mesecons_pistons:piston_up_normal",
recipe = {
{"mesecons_pistons:piston_normal"},
}
})
minetest.register_craft({
output = "mesecons_pistons:piston_up_sticky",
recipe = {
{"mesecons_pistons:piston_sticky"},
}
})
minetest.register_node("mesecons_pistons:piston_up_pusher_normal", {
drawtype = "nodebox",
tiles = {"jeija_piston_pusher_normal.png"},
paramtype = "light",
diggable = false,
selection_box = {
type = "fixed",
fixed = {
{-0.2, -0.5, -0.2, 0.2, 0.3, 0.2},
{-0.5, 0.3, -0.5, 0.5, 0.5, 0.5},
},
},
node_box = {
type = "fixed",
fixed = {
{-0.2, -0.5, -0.2, 0.2, 0.3, 0.2},
{-0.5, 0.3, -0.5, 0.5, 0.5, 0.5},
},
},
})
mesecon:register_mvps_stopper("mesecons_pistons:piston_up_pusher_normal")
mesecon:register_mvps_stopper("mesecons_pistons:piston_up_pusher_sticky")
minetest.register_node("mesecons_pistons:piston_up_pusher_sticky", {
drawtype = "nodebox",
tiles = {
"jeija_piston_pusher_normal.png",
"jeija_piston_pusher_sticky.png",
"jeija_piston_pusher_normal.png",
"jeija_piston_pusher_normal.png",
"jeija_piston_pusher_normal.png",
"jeija_piston_pusher_normal.png"
},
paramtype = "light",
diggable = false,
selection_box = {
type = "fixed",
fixed = {
{-0.2, -0.5, -0.2, 0.2, 0.3, 0.2},
{-0.5, 0.3, -0.5, 0.5, 0.5, 0.5},
},
},
node_box = {
type = "fixed",
fixed = {
{-0.2, -0.5, -0.2, 0.2, 0.3, 0.2},
{-0.5, 0.3, -0.5, 0.5, 0.5, 0.5},
},
},
})
-- Push action
mesecon:register_on_signal_on(function(pos, node)
if node.name ~= "mesecons_pistons:piston_up_normal" and node.name ~= "mesecons_pistons:piston_up_sticky" then
return
end
local dir = {x=0, y=1, z=0}
pos.x, pos.y, pos.z = pos.x + dir.x, pos.y + dir.y, pos.z + dir.z --move to first node being pushed
--determine the number of nodes that need to be pushed
local count = 0
local checkpos = {x=pos.x, y=pos.y, z=pos.z} --first node being pushed
while true do
local checknode = minetest.env:get_node(checkpos)
--check for collision with stopper or bounds
if mesecon:is_mvps_stopper(checknode.name) or checknode.name == "ignore" then
return
end
--check for column end
if checknode.name == "air"
or not(minetest.registered_nodes[checknode.name].liquidtype == "none") then
break
end
--limit piston pushing capacity
count = count + 1
if count > 15 then
return
end
checkpos.x, checkpos.y, checkpos.z = checkpos.x + dir.x, checkpos.y + dir.y, checkpos.z + dir.z
end
local checknode = minetest.env:get_node(pos)
minetest.env:remove_node(pos) --remove the first node
mesecon:updatenode(pos)
--add pusher
if node.name == "mesecons_pistons:piston_up_normal" then
minetest.env:add_node(pos, {name="mesecons_pistons:piston_up_pusher_normal", param2=node.param2})
else
minetest.env:add_node(pos, {name="mesecons_pistons:piston_up_pusher_sticky", param2=node.param2})
end
--move nodes forward
for i = 1, count do
pos.x, pos.y, pos.z = pos.x + dir.x, pos.y + dir.y, pos.z + dir.z --move to the next node
--move the node forward
local nextnode = minetest.env:get_node(pos)
--minetest.env:dig_node(pos)
minetest.env:set_node(pos, checknode)
mesecon:updatenode(pos)
checknode = nextnode
end
end)
--Pull action
mesecon:register_on_signal_off(function(pos, node)
if node.name ~= "mesecons_pistons:piston_up_normal" and node.name ~= "mesecons_pistons:piston_up_sticky" then
return
end
local dir = {x=0, y=1, z=0}
pos.x, pos.y, pos.z = pos.x + dir.x, pos.y + dir.y, pos.z + dir.z --move to the node to be replaced
--ensure piston is extended
local checknode = minetest.env:get_node(pos)
if checknode.name ~= "mesecons_pistons:piston_up_pusher_normal" and checknode.name ~= "mesecons_pistons:piston_up_pusher_sticky" then
return
end
if checknode.param2 ~= node.param2 then --pusher is not facing the same direction as the piston
return --piston is not extended
end
--retract piston
minetest.env:remove_node(pos) --remove pusher
if node.name == "mesecons_pistons:piston_up_sticky" then --retract block
local checkpos = {x=pos.x + dir.x, y=pos.y + dir.y, z=pos.z + dir.z} --move to the node to be retracted
checknode = minetest.env:get_node(checkpos)
if checknode.name ~= "air"
and checknode.name ~= "ignore"
and minetest.registered_nodes[checknode.name].liquidtype == "none"
and not mesecon:is_mvps_stopper(checknode.name) then
minetest.env:remove_node(checkpos)
mesecon:updatenode(checkpos)
minetest.env:set_node(pos, checknode)
mesecon:updatenode(pos)
end
end
nodeupdate(pos)
end)