diff options
Diffstat (limited to '.mesecons_pistons')
| -rw-r--r-- | .mesecons_pistons/depends.txt | 3 | ||||
| -rw-r--r-- | .mesecons_pistons/init.lua | 459 |
2 files changed, 462 insertions, 0 deletions
diff --git a/.mesecons_pistons/depends.txt b/.mesecons_pistons/depends.txt new file mode 100644 index 0000000..a596cf8 --- /dev/null +++ b/.mesecons_pistons/depends.txt @@ -0,0 +1,3 @@ +mesecons +mesecons_materials +mesecons_mvps diff --git a/.mesecons_pistons/init.lua b/.mesecons_pistons/init.lua new file mode 100644 index 0000000..0a3838d --- /dev/null +++ b/.mesecons_pistons/init.lua @@ -0,0 +1,459 @@ +--PISTONS + +-- Get mesecon rules of pistons +piston_rules = +{{x=0, y=0, z=1}, --everything apart from z- (pusher side) + {x=1, y=0, z=0}, + {x=-1, y=0, z=0}, + {x=1, y=1, z=0}, + {x=1, y=-1, z=0}, + {x=-1, y=1, z=0}, + {x=-1, y=-1, z=0}, + {x=0, y=1, z=1}, + {x=0, y=-1, z=1}} + +local piston_get_rules = function (node) + local rules = piston_rules + for i = 1, node.param2 do + rules = mesecon:rotate_rules_left(rules) + end + return rules +end + +--starts the timer to make the piston update to its new state +local update = function(pos, node) + local timer = minetest.env:get_node_timer(pos) + timer:stop() + timer:start(0) +end + +--on_destruct callback, removes the piston pusher if it is present +local destruct = 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" + or 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 + 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 + elseif oldnode.name == "mesecons_pistons:piston_down_normal" or oldnode.name == "mesecons_pistons:piston_down_sticky" then + 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 + mesecon:piston_push(pos) + else + mesecon:piston_pull(pos) + end + 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 = mesecon:addPosRule(pos, dir) --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 = mesecon:addPosRule(checkpos, dir) + end + + local thisnode = minetest.env:get_node(pos) + minetest.env:remove_node(pos) + mesecon.on_dignode(pos, thisnode) + local nextnode + + --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 = mesecon:addPosRule(pos, dir) --move to the next node + + nextnode = minetest.env:get_node(pos) + minetest.env:remove_node(pos) + mesecon.on_dignode(pos, thisnode) + minetest.env:add_node(pos, thisnode) + mesecon.on_placenode(pos, thisnode) + thisnode = nextnode + nodeupdate(pos) + 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 minetest.registered_nodes[node.name].is_sticky_piston then --retract block if piston is sticky + local retractpos = mesecon:addPosRule(pos, dir) --move to the node to be retracted + local retractnode = minetest.env:get_node(retractpos) + if minetest.registered_nodes[retractnode.name].liquidtype == "none" + and not mesecon:is_mvps_stopper(retractnode.name) then + mesecon:move_node(retractpos, pos) + mesecon.on_dignode(retractpos, retractnode) + mesecon.on_placenode(pos, retractnode) + nodeupdate(pos) + end + end +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, + after_place_node = function(pos, placer) + if not placer then --not placed by player + return + end + local pitch = placer:get_look_pitch() * (180 / math.pi) --placer pitch in degrees + if pitch > 45 then --looking upwards + minetest.env:add_node(pos, {name="mesecons_pistons:piston_down_normal"}) + elseif pitch < -45 then --looking downwards + minetest.env:add_node(pos, {name="mesecons_pistons:piston_up_normal"}) + end + end, + mesecons = {effector={ + action_change = update, + rules = piston_get_rules + }} +}) + +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, mesecon=2}, + paramtype2 = "facedir", + after_destruct = destruct, + on_timer = timer, + is_sticky_piston = true, + after_place_node = function(pos, placer) + if not placer then --not placed by player + return + end + local pitch = placer:get_look_pitch() * (180 / math.pi) --placer pitch in degrees + if pitch > 45 then --looking upwards + minetest.env:add_node(pos, {name="mesecons_pistons:piston_down_sticky"}) + elseif pitch < -45 then --looking downwards + minetest.env:add_node(pos, {name="mesecons_pistons:piston_up_sticky"}) + end + end, + mesecons = {effector={ + action_change = update, + rules = piston_get_rules + }} +}) + +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}, + }, + }, +}) + +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}, + }, + }, +}) + +mesecon:register_mvps_stopper("mesecons_pistons:piston_pusher_normal") +mesecon:register_mvps_stopper("mesecons_pistons:piston_pusher_sticky") + +-- up pistons +minetest.register_node("mesecons_pistons:piston_up_normal", { + 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_destruct = destruct, + on_timer = timer, + mesecons = {effector={ + action_change = update + }}, + drop = "mesecons_pistons:piston_normal", +}) + +minetest.register_node("mesecons_pistons:piston_up_sticky", { + 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_destruct = destruct, + on_timer = timer, + is_sticky_piston = true, + mesecons = {effector={ + action_change = update + }}, + drop = "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}, + }, + }, +}) + +minetest.register_node("mesecons_pistons:piston_up_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, -0.5, -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") + +--down pistons +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", +}) + +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, + is_sticky_piston = true, + mesecons = {effector={ + action_change = update + }}, + drop = "mesecons_pistons:piston_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}, + }, + }, +}) + +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"}, + } +}) |