mirror of
https://github.com/minetest-mods/mesecons.git
synced 2024-08-20 13:04:10 +02:00
It used to be so that you could gain two sticky movestones out of one normal one, this didn't make much sense.
157 lines
4.5 KiB
Lua
157 lines
4.5 KiB
Lua
-- MOVESTONE
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-- Non-sticky:
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-- Moves along mesecon lines
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-- Pushes all blocks in front of it
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--
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-- Sticky one
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-- Moves along mesecon lines
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-- Pushes all block in front of it
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-- Pull all blocks in its back
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function mesecon.get_movestone_direction(pos)
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local lpos
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local rules = {
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{x=0, y=1, z=-1},
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{x=0, y=0, z=-1},
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{x=0, y=-1, z=-1},
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{x=0, y=1, z=1},
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{x=0, y=-1, z=1},
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{x=0, y=0, z=1},
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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=-1, y=0, z=0}}
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lpos = {x=pos.x+1, y=pos.y, z=pos.z}
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for n = 1, 3 do
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if mesecon.is_power_on(lpos, rules[n]) then
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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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lpos = {x = pos.x-1, y = pos.y, z = pos.z}
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for n=4, 6 do
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if mesecon.is_power_on(lpos, rules[n]) then
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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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lpos = {x = pos.x, y = pos.y, z = pos.z+1}
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for n=7, 9 do
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if mesecon.is_power_on(lpos, rules[n]) then
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return {x=-1, y=0, z=0}
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end
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end
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lpos = {x = pos.x, y = pos.y, z = pos.z-1}
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for n=10, 12 do
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if mesecon.is_power_on(lpos, rules[n]) then
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return {x=1, y=0, z=0}
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end
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end
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end
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function mesecon.register_movestone(name, def, is_sticky)
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local timer_interval = 1 / mesecon.setting("movestone_speed", 3)
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local name_active = name.."_active"
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local function movestone_move (pos)
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if minetest.get_node(pos).name ~= name_active then
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return
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end
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local direction = mesecon.get_movestone_direction(pos)
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if not direction then
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minetest.set_node(pos, {name = name})
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return
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end
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local frontpos = vector.add(pos, direction)
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local backpos = vector.subtract(pos, direction)
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-- ### Step 1: Push nodes in front ###
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local maxpush = mesecon.setting("movestone_max_push", 50)
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local maxpull = mesecon.setting("movestone_max_pull", 50)
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local success, stack, oldstack = mesecon.mvps_push(frontpos, direction, maxpush)
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if success then
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mesecon.mvps_process_stack(stack)
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mesecon.mvps_move_objects(frontpos, direction, oldstack)
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-- Too large stack/stopper in the way: try again very soon
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else
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minetest.after(0.05, movestone_move, pos)
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return
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end
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-- ### Step 2: Move the movestone ###
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local node = minetest.get_node(pos)
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minetest.set_node(frontpos, node)
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minetest.remove_node(pos)
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mesecon.on_dignode(pos, node)
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mesecon.on_placenode(frontpos, node)
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minetest.after(timer_interval, movestone_move, frontpos)
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-- ### Step 3: If sticky, pull stack behind ###
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if is_sticky then
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mesecon.mvps_pull_all(backpos, direction, maxpull)
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end
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end
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def.mesecons = {effector = {
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action_on = function (pos)
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if minetest.get_node(pos).name ~= name_active then
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minetest.set_node(pos, {name = name_active})
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movestone_move(pos)
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end
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end,
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action_off = function (pos)
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minetest.set_node(pos, {name = name})
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end
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}}
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def.drop = name
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minetest.register_node(name, def)
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-- active node only
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local def_active = table.copy(def)
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def_active.groups.not_in_creative_inventory = 1
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minetest.register_node(name_active, def_active)
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end
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mesecon.register_movestone("mesecons_movestones:movestone", {
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tiles = {"jeija_movestone_side.png", "jeija_movestone_side.png", "jeija_movestone_side.png", "jeija_movestone_side.png", "jeija_movestone_arrows.png", "jeija_movestone_arrows.png"},
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groups = {cracky=3},
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description="Movestone",
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sounds = default.node_sound_stone_defaults()
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}, false)
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minetest.register_craft({
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output = "mesecons_movestones:movestone 2",
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recipe = {
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{"default:stone", "default:stone", "default:stone"},
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{"group:mesecon_conductor_craftable", "group:mesecon_conductor_craftable", "group:mesecon_conductor_craftable"},
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{"default:stone", "default:stone", "default:stone"},
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}
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})
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-- STICKY_MOVESTONE
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mesecon.register_movestone("mesecons_movestones:sticky_movestone", {
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tiles = {"jeija_movestone_side.png", "jeija_movestone_side.png", "jeija_movestone_side.png", "jeija_movestone_side.png", "jeija_sticky_movestone.png", "jeija_sticky_movestone.png"},
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inventory_image = minetest.inventorycube("jeija_sticky_movestone.png", "jeija_movestone_side.png", "jeija_movestone_side.png"),
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groups = {cracky=3},
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description="Sticky Movestone",
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sounds = default.node_sound_stone_defaults(),
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}, true)
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minetest.register_craft({
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output = "mesecons_movestones:sticky_movestone",
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recipe = {
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{"mesecons_materials:glue", "mesecons_movestones:movestone", "mesecons_materials:glue"},
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}
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})
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-- Don't allow pushing movestones while they're active
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mesecon.register_mvps_stopper("mesecons_movestones:movestone_active")
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mesecon.register_mvps_stopper("mesecons_movestones:sticky_movestone_active")
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