From 2330d0af794bee5ca83856ea8e8da5584e40b113 Mon Sep 17 00:00:00 2001 From: cornernote Date: Thu, 9 Aug 2012 13:52:47 +0930 Subject: added pistons up and down --- mesecons_pistons/pistons_down.lua | 222 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 222 insertions(+) create mode 100644 mesecons_pistons/pistons_down.lua (limited to 'mesecons_pistons/pistons_down.lua') diff --git a/mesecons_pistons/pistons_down.lua b/mesecons_pistons/pistons_down.lua new file mode 100644 index 0000000..62ef986 --- /dev/null +++ b/mesecons_pistons/pistons_down.lua @@ -0,0 +1,222 @@ +--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}, + 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, +}) + +--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}, + 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, +}) + +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 + 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: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 + nodeupdate(pos) + end + 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 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:remove_node(checkpos) + mesecon:updatenode(checkpos) + minetest.env:set_node(pos, checknode) + mesecon:updatenode(pos) + end + end + if node.name == "mesecons_pistons:piston_down_sticky" then + nodeupdate(pos) + end +end) -- cgit v1.2.3