460 lines
14 KiB
Lua
460 lines
14 KiB
Lua
--PISTONS
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-- Get mesecon rules of pistons
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piston_rules =
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{{x=0, y=0, z=1}, --everything apart from z- (pusher side)
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{x=1, y=0, z=0},
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{x=-1, y=0, z=0},
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{x=1, y=1, z=0},
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{x=1, y=-1, z=0},
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{x=-1, y=1, z=0},
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{x=-1, y=-1, z=0},
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{x=0, y=1, z=1},
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{x=0, y=-1, z=1}}
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local piston_get_rules = function (node)
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local rules = piston_rules
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for i = 1, node.param2 do
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rules = mesecon:rotate_rules_left(rules)
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end
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return rules
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end
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--starts the timer to make the piston update to its new state
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local update = function(pos, node)
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local timer = minetest.env:get_node_timer(pos)
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timer:stop()
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timer:start(0)
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end
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--on_destruct callback, removes the piston pusher if it is present
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local destruct = function(pos, oldnode)
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local dir = mesecon:piston_get_direction(oldnode)
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pos.x, pos.y, pos.z = pos.x + dir.x, pos.y + dir.y, pos.z + dir.z --move to first node to check
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--ensure piston is extended
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local checknode = minetest.env:get_node(pos)
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if checknode.name == "mesecons_pistons:piston_pusher_normal"
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or checknode.name == "mesecons_pistons:piston_pusher_sticky" then
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if checknode.param2 == oldnode.param2 then --pusher is facing the same direction as the piston
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minetest.env:remove_node(pos) --remove the pusher
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end
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elseif oldnode.name == "mesecons_pistons:piston_up_normal" or oldnode.name == "mesecons_pistons:piston_up_sticky" then
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if checknode.name == "mesecons_pistons:piston_up_pusher_normal" or checknode.name == "mesecons_pistons:piston_up_pusher_sticky" then
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minetest.env:remove_node(pos) --remove the pusher
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end
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elseif oldnode.name == "mesecons_pistons:piston_down_normal" or oldnode.name == "mesecons_pistons:piston_down_sticky" then
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if checknode.name == "mesecons_pistons:piston_down_pusher_normal" or checknode.name == "mesecons_pistons:piston_down_pusher_sticky" then
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minetest.env:remove_node(pos) --remove the pusher
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end
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end
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end
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--node timer callback, pushes/pulls the piston depending on whether it is powered
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local timer = function(pos, elapsed)
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if mesecon:is_powered(pos) then
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mesecon:piston_push(pos)
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else
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mesecon:piston_pull(pos)
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end
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return false
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end
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--piston push action
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function mesecon:piston_push(pos)
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local node = minetest.env:get_node(pos)
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local dir = mesecon:piston_get_direction(node)
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pos = mesecon:addPosRule(pos, dir) --move to first node being pushed
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--determine the number of nodes that need to be pushed
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local count = 0
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local checkpos = {x=pos.x, y=pos.y, z=pos.z} --first node being pushed
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while true do
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local checknode = minetest.env:get_node(checkpos)
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--check for collision with stopper or bounds
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if mesecon:is_mvps_stopper(checknode.name) or checknode.name == "ignore" then
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return
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end
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--check for column end
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if checknode.name == "air"
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or not(minetest.registered_nodes[checknode.name].liquidtype == "none") then
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break
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end
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--limit piston pushing capacity
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count = count + 1
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if count > 15 then
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return
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end
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checkpos = mesecon:addPosRule(checkpos, dir)
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end
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local thisnode = minetest.env:get_node(pos)
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minetest.env:remove_node(pos)
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mesecon.on_dignode(pos, thisnode)
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local nextnode
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--add pusher
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if node.name == "mesecons_pistons:piston_normal" then
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minetest.env:add_node(pos, {name="mesecons_pistons:piston_pusher_normal", param2=node.param2})
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elseif node.name == "mesecons_pistons:piston_sticky" then
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minetest.env:add_node(pos, {name="mesecons_pistons:piston_pusher_sticky", param2=node.param2})
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elseif node.name == "mesecons_pistons:piston_up_normal" then
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minetest.env:add_node(pos, {name="mesecons_pistons:piston_up_pusher_normal"})
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elseif node.name == "mesecons_pistons:piston_up_sticky" then
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minetest.env:add_node(pos, {name="mesecons_pistons:piston_up_pusher_sticky"})
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elseif node.name == "mesecons_pistons:piston_down_normal" then
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minetest.env:add_node(pos, {name="mesecons_pistons:piston_down_pusher_normal"})
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elseif node.name == "mesecons_pistons:piston_down_sticky" then
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minetest.env:add_node(pos, {name="mesecons_pistons:piston_down_pusher_sticky"})
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end
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--move nodes forward
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for i = 1, count do
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pos = mesecon:addPosRule(pos, dir) --move to the next node
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nextnode = minetest.env:get_node(pos)
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minetest.env:remove_node(pos)
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mesecon.on_dignode(pos, thisnode)
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minetest.env:add_node(pos, thisnode)
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mesecon.on_placenode(pos, thisnode)
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thisnode = nextnode
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nodeupdate(pos)
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end
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end
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--piston pull action
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function mesecon:piston_pull(pos)
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local node = minetest.env:get_node(pos)
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local dir = mesecon:piston_get_direction(node)
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pos = {x=pos.x + dir.x, y=pos.y + dir.y, z=pos.z + dir.z} --move to first node being replaced
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--ensure piston is extended
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local checknode = minetest.env:get_node(pos)
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if node.name == "mesecons_pistons:piston_up_normal" or node.name == "mesecons_pistons:piston_up_sticky" then --up piston
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if checknode.name ~= "mesecons_pistons:piston_up_pusher_normal" and checknode.name ~= "mesecons_pistons:piston_up_pusher_sticky" then
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return --piston is not extended
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end
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elseif node.name == "mesecons_pistons:piston_down_normal" or node.name == "mesecons_pistons:piston_down_sticky" then --down piston
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if checknode.name ~= "mesecons_pistons:piston_down_pusher_normal" and checknode.name ~= "mesecons_pistons:piston_down_pusher_sticky" then
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return --piston is not extended
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end
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else --horizontal piston
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if checknode.name ~= "mesecons_pistons:piston_pusher_normal" and checknode.name ~= "mesecons_pistons:piston_pusher_sticky" then
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return --piston is not extended
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end
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if checknode.param2 ~= node.param2 then --pusher is not facing the same direction as the piston
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return --piston is not extended
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end
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end
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--retract piston
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minetest.env:remove_node(pos) --remove pusher
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if minetest.registered_nodes[node.name].is_sticky_piston then --retract block if piston is sticky
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local retractpos = mesecon:addPosRule(pos, dir) --move to the node to be retracted
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local retractnode = minetest.env:get_node(retractpos)
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if minetest.registered_nodes[retractnode.name].liquidtype == "none"
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and not mesecon:is_mvps_stopper(retractnode.name) then
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mesecon:move_node(retractpos, pos)
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mesecon.on_dignode(retractpos, retractnode)
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mesecon.on_placenode(pos, retractnode)
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nodeupdate(pos)
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end
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end
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end
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--push direction of a piston
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function mesecon:piston_get_direction(node)
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if node.name == "mesecons_pistons:piston_up_normal" or node.name == "mesecons_pistons:piston_up_sticky" then
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return {x=0, y=1, z=0}
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elseif node.name == "mesecons_pistons:piston_down_normal" or node.name == "mesecons_pistons:piston_down_sticky" then
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return {x=0, y=-1, z=0}
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elseif node.param2 == 3 then
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return {x=1, y=0, z=0}
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elseif node.param2 == 2 then
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return {x=0, y=0, z=1}
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elseif node.param2 == 1 then
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return {x=-1, y=0, z=0}
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else --node.param2 == 0
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return {x=0, y=0, z=-1}
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end
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end
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--horizontal pistons
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minetest.register_node("mesecons_pistons:piston_normal", {
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description = "Piston",
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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"},
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groups = {cracky=3, mesecon=2},
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paramtype2 = "facedir",
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after_destruct = destruct,
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on_timer = timer,
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after_place_node = function(pos, placer)
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if not placer then --not placed by player
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return
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end
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local pitch = placer:get_look_pitch() * (180 / math.pi) --placer pitch in degrees
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if pitch > 45 then --looking upwards
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minetest.env:add_node(pos, {name="mesecons_pistons:piston_down_normal"})
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elseif pitch < -45 then --looking downwards
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minetest.env:add_node(pos, {name="mesecons_pistons:piston_up_normal"})
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end
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end,
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mesecons = {effector={
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action_change = update,
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rules = piston_get_rules
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}}
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})
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minetest.register_node("mesecons_pistons:piston_sticky", {
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description = "Sticky Piston",
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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"},
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groups = {cracky=3, mesecon=2},
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paramtype2 = "facedir",
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after_destruct = destruct,
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on_timer = timer,
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is_sticky_piston = true,
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after_place_node = function(pos, placer)
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if not placer then --not placed by player
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return
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end
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local pitch = placer:get_look_pitch() * (180 / math.pi) --placer pitch in degrees
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if pitch > 45 then --looking upwards
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minetest.env:add_node(pos, {name="mesecons_pistons:piston_down_sticky"})
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elseif pitch < -45 then --looking downwards
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minetest.env:add_node(pos, {name="mesecons_pistons:piston_up_sticky"})
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end
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end,
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mesecons = {effector={
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action_change = update,
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rules = piston_get_rules
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}}
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})
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minetest.register_node("mesecons_pistons:piston_pusher_normal", {
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drawtype = "nodebox",
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tiles = {"jeija_piston_pusher_normal.png"},
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paramtype = "light",
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paramtype2 = "facedir",
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diggable = false,
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selection_box = {
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type = "fixed",
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fixed = {
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{-0.2, -0.2, -0.3, 0.2, 0.2, 0.5},
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{-0.5, -0.5, -0.5, 0.5, 0.5, -0.3},
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},
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},
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node_box = {
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type = "fixed",
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fixed = {
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{-0.2, -0.2, -0.3, 0.2, 0.2, 0.5},
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{-0.5, -0.5, -0.5, 0.5, 0.5, -0.3},
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},
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},
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})
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minetest.register_node("mesecons_pistons:piston_pusher_sticky", {
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drawtype = "nodebox",
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tiles = {
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"jeija_piston_pusher_normal.png",
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"jeija_piston_pusher_normal.png",
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"jeija_piston_pusher_normal.png",
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"jeija_piston_pusher_normal.png",
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"jeija_piston_pusher_normal.png",
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"jeija_piston_pusher_sticky.png"
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},
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paramtype = "light",
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paramtype2 = "facedir",
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diggable = false,
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selection_box = {
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type = "fixed",
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fixed = {
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{-0.2, -0.2, -0.3, 0.2, 0.2, 0.5},
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{-0.5, -0.5, -0.5, 0.5, 0.5, -0.3},
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},
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},
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node_box = {
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type = "fixed",
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fixed = {
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{-0.2, -0.2, -0.3, 0.2, 0.2, 0.5},
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{-0.5, -0.5, -0.5, 0.5, 0.5, -0.3},
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},
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},
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})
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mesecon:register_mvps_stopper("mesecons_pistons:piston_pusher_normal")
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mesecon:register_mvps_stopper("mesecons_pistons:piston_pusher_sticky")
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-- up pistons
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minetest.register_node("mesecons_pistons:piston_up_normal", {
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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"},
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groups = {cracky=3, mesecon=2},
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after_destruct = destruct,
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on_timer = timer,
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mesecons = {effector={
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action_change = update
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}},
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drop = "mesecons_pistons:piston_normal",
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})
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minetest.register_node("mesecons_pistons:piston_up_sticky", {
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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"},
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groups = {cracky=3, mesecon=2},
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after_destruct = destruct,
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on_timer = timer,
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is_sticky_piston = true,
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mesecons = {effector={
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action_change = update
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}},
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drop = "mesecons_pistons:piston_sticky",
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})
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minetest.register_node("mesecons_pistons:piston_up_pusher_normal", {
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drawtype = "nodebox",
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tiles = {"jeija_piston_pusher_normal.png"},
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paramtype = "light",
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diggable = false,
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selection_box = {
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type = "fixed",
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fixed = {
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{-0.2, -0.5, -0.2, 0.2, 0.3, 0.2},
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{-0.5, 0.3, -0.5, 0.5, 0.5, 0.5},
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},
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},
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node_box = {
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type = "fixed",
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fixed = {
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{-0.2, -0.5, -0.2, 0.2, 0.3, 0.2},
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{-0.5, 0.3, -0.5, 0.5, 0.5, 0.5},
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},
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},
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})
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minetest.register_node("mesecons_pistons:piston_up_pusher_sticky", {
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drawtype = "nodebox",
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tiles = {
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"jeija_piston_pusher_sticky.png",
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"jeija_piston_pusher_normal.png",
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"jeija_piston_pusher_normal.png",
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"jeija_piston_pusher_normal.png",
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"jeija_piston_pusher_normal.png",
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"jeija_piston_pusher_normal.png"
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},
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paramtype = "light",
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diggable = false,
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selection_box = {
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type = "fixed",
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fixed = {
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{-0.2, -0.5, -0.2, 0.2, 0.3, 0.2},
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{-0.5, 0.3, -0.5, 0.5, 0.5, 0.5},
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},
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},
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node_box = {
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type = "fixed",
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fixed = {
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{-0.2, -0.5, -0.2, 0.2, 0.3, 0.2},
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{-0.5, 0.3, -0.5, 0.5, 0.5, 0.5},
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},
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},
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})
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mesecon:register_mvps_stopper("mesecons_pistons:piston_up_pusher_normal")
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mesecon:register_mvps_stopper("mesecons_pistons:piston_up_pusher_sticky")
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--down pistons
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minetest.register_node("mesecons_pistons:piston_down_normal", {
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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"},
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groups = {cracky=3, mesecon=2},
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after_destruct = destruct,
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on_timer = timer,
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mesecons = {effector={
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action_change = update
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}},
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drop = "mesecons_pistons:piston_normal",
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})
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minetest.register_node("mesecons_pistons:piston_down_sticky", {
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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"},
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groups = {cracky=3, mesecon=2},
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after_destruct = destruct,
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on_timer = timer,
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is_sticky_piston = true,
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mesecons = {effector={
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action_change = update
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}},
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drop = "mesecons_pistons:piston_sticky",
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})
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minetest.register_node("mesecons_pistons:piston_down_pusher_normal", {
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drawtype = "nodebox",
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tiles = {"jeija_piston_pusher_normal.png"},
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paramtype = "light",
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diggable = false,
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selection_box = {
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type = "fixed",
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fixed = {
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{-0.2, -0.3, -0.2, 0.2, 0.5, 0.2},
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{-0.5, -0.5, -0.5, 0.5, -0.3, 0.5},
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},
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},
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node_box = {
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type = "fixed",
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fixed = {
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{-0.2, -0.3, -0.2, 0.2, 0.5, 0.2},
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{-0.5, -0.5, -0.5, 0.5, -0.3, 0.5},
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},
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},
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})
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minetest.register_node("mesecons_pistons:piston_down_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, -0.3, -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")
|
|
|
|
--craft recipes
|
|
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"},
|
|
}
|
|
})
|