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