forked from Mirrorlandia_minetest/mesecons
222 lines
6.7 KiB
Lua
222 lines
6.7 KiB
Lua
--PISTONS
|
|
--registration normal one:
|
|
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},
|
|
paramtype2 = "facedir",
|
|
after_dig_node = function(pos, 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
|
|
|
|
--ensure piston is extended
|
|
local checknode = minetest.env:get_node(pos)
|
|
if checknode.name == "mesecons_pistons:piston_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,
|
|
})
|
|
|
|
--registration sticky one:
|
|
minetest.register_node("mesecons_pistons:piston_sticky", {
|
|
description = "Sticky Piston",
|
|
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},
|
|
paramtype2 = "facedir",
|
|
after_dig_node = function(pos, 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
|
|
|
|
--ensure piston is extended
|
|
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
|
|
end,
|
|
})
|
|
|
|
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", "mesecons:mesecon_off", "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", {
|
|
drawtype = "nodebox",
|
|
tiles = {"jeija_piston_pusher_normal.png"},
|
|
paramtype = "light",
|
|
paramtype2 = "facedir",
|
|
diggable = false,
|
|
selection_box = {
|
|
type = "fixed",
|
|
fixed = {
|
|
{-0.2, -0.2, -0.3, 0.2, 0.2, 0.5},
|
|
{-0.5, -0.5, -0.5, 0.5, 0.5, -0.3},
|
|
},
|
|
},
|
|
node_box = {
|
|
type = "fixed",
|
|
fixed = {
|
|
{-0.2, -0.2, -0.3, 0.2, 0.2, 0.5},
|
|
{-0.5, -0.5, -0.5, 0.5, 0.5, -0.3},
|
|
},
|
|
},
|
|
})
|
|
|
|
mesecon:register_mvps_stopper("mesecons_pistons:piston_pusher_normal")
|
|
mesecon:register_mvps_stopper("mesecons_pistons:piston_pusher_sticky")
|
|
|
|
minetest.register_node("mesecons_pistons:piston_pusher_sticky", {
|
|
drawtype = "nodebox",
|
|
tiles = {
|
|
"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",
|
|
"jeija_piston_pusher_sticky.png"
|
|
},
|
|
paramtype = "light",
|
|
paramtype2 = "facedir",
|
|
diggable = false,
|
|
selection_box = {
|
|
type = "fixed",
|
|
fixed = {
|
|
{-0.2, -0.2, -0.3, 0.2, 0.2, 0.5},
|
|
{-0.5, -0.5, -0.5, 0.5, 0.5, -0.3},
|
|
},
|
|
},
|
|
node_box = {
|
|
type = "fixed",
|
|
fixed = {
|
|
{-0.2, -0.2, -0.3, 0.2, 0.2, 0.5},
|
|
{-0.5, -0.5, -0.5, 0.5, 0.5, -0.3},
|
|
},
|
|
},
|
|
})
|
|
|
|
-- Push action
|
|
mesecon:register_on_signal_on(function(pos, node)
|
|
if node.name ~= "mesecons_pistons:piston_normal" and node.name ~= "mesecons_pistons:piston_sticky" then
|
|
return
|
|
end
|
|
|
|
local dir = mesecon:piston_get_direction(node)
|
|
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
|
|
if mesecon:is_mvps_stopper(checknode.name) then
|
|
return
|
|
end
|
|
|
|
--check for column end
|
|
if checknode.name == "air"
|
|
or checknode.name == "ignore"
|
|
or checknode.name == "default:water_source"
|
|
or checknode.name == "default:water_flowing"
|
|
or checknode.name == "default:lava_source"
|
|
or checknode.name == "default:lava_flowing" 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:dig_node(pos) --remove the first node
|
|
|
|
--add pusher
|
|
if node.name == "mesecons_pistons:piston_normal" then
|
|
minetest.env:add_node(pos, {name="mesecons_pistons:piston_pusher_normal", param2=node.param2})
|
|
else
|
|
minetest.env:add_node(pos, {name="mesecons_pistons:piston_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:place_node(pos, checknode)
|
|
checknode = nextnode
|
|
end
|
|
end)
|
|
|
|
--Pull action (sticky only)
|
|
mesecon:register_on_signal_off(function(pos, node)
|
|
if node.name ~= "mesecons_pistons:piston_normal" and node.name ~= "mesecons_pistons:piston_sticky" then
|
|
return
|
|
end
|
|
|
|
local dir = mesecon:piston_get_direction(node)
|
|
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_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 checknode.name ~= "default:water_source"
|
|
and checknode.name ~= "default:water_flowing"
|
|
and checknode.name ~= "default:lava_source"
|
|
and checknode.name ~= "default:lava_flowing"
|
|
and not mesecon:is_mvps_stopper(checknode.name) then
|
|
minetest.env:place_node(pos, checknode)
|
|
minetest.env:dig_node(checkpos)
|
|
end
|
|
end
|
|
end)
|
|
|
|
-- get push 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
|