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-- 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
-- settings:
local timer_interval = 1 / mesecon.setting("movestone_speed", 3)
local max_push = mesecon.setting("movestone_max_push", 50)
local max_pull = mesecon.setting("movestone_max_pull", 50)
-- helper functions:
local function get_movestone_direction(rulename, is_vertical)
if is_vertical then
if rulename.z > 0 then
return {x = 0, y = -1, z = 0}
elseif rulename.z < 0 then
return {x = 0, y = 1, z = 0}
elseif rulename.x > 0 then
return {x = 0, y = -1, z = 0}
elseif rulename.x < 0 then
return {x = 0, y = 1, z = 0}
end
else
if rulename.z > 0 then
return {x = -1, y = 0, z = 0}
elseif rulename.z < 0 then
return {x = 1, y = 0, z = 0}
elseif rulename.x > 0 then
return {x = 0, y = 0, z = -1}
elseif rulename.x < 0 then
return {x = 0, y = 0, z = 1}
end
end
end
-- registration functions:
function mesecon.register_movestone(name, def, is_sticky, is_vertical)
local function movestone_move(pos, node, rulename)
local direction = get_movestone_direction(rulename, is_vertical)
local frontpos = vector.add(pos, direction)
local meta = minetest.get_meta(pos)
local owner = meta:get_string("owner")
-- ### Step 1: Push nodes in front ###
local success, stack, oldstack = mesecon.mvps_push(frontpos, direction, max_push, owner)
if not success then
if stack == "protected" then
meta:set_string("infotext", "Can't move: protected area on the way")
return
end
minetest.get_node_timer(pos):start(timer_interval)
return
end
mesecon.mvps_move_objects(frontpos, direction, oldstack)
-- ### Step 2: Move the movestone ###
minetest.set_node(frontpos, node)
local meta2 = minetest.get_meta(frontpos)
meta2:set_string("owner", owner)
minetest.remove_node(pos)
mesecon.on_dignode(pos, node)
mesecon.on_placenode(frontpos, node)
minetest.get_node_timer(frontpos):start(timer_interval)
minetest.sound_play("movestone", { pos = pos, max_hear_distance = 20, gain = 0.5 }, true)
-- ### Step 3: If sticky, pull stack behind ###
if is_sticky then
local backpos = vector.subtract(pos, direction)
success, stack, oldstack = mesecon.mvps_pull_all(backpos, direction, max_pull, owner)
if success then
mesecon.mvps_move_objects(backpos, vector.multiply(direction, -1), oldstack, -1)
end
end
-- ### Step 4: Let things fall ###
minetest.check_for_falling(vector.add(pos, {x=0, y=1, z=0}))
end
def.is_ground_content = false
def.mesecons = {effector = {
action_on = function(pos, node, rulename)
if rulename and not minetest.get_node_timer(pos):is_started() then
movestone_move(pos, node, rulename)
end
end,
rules = mesecon.rules.default,
}}
def.after_place_node = mesecon.mvps_set_owner
def.on_punch = function(pos, node, player)
local player_name = player and player.get_player_name and player:get_player_name()
if mesecon.mvps_claim(pos, player_name) then
minetest.get_node_timer(pos):start(timer_interval)
minetest.chat_send_player(player_name, "Reclaimed movestone")
end
end
def.on_timer = function(pos, elapsed)
local sourcepos = mesecon.is_powered(pos)
if not sourcepos then
return
end
local rulename = vector.subtract(sourcepos[1], pos)
mesecon.activate(pos, minetest.get_node(pos), rulename, 0)
end
def.on_blast = mesecon.on_blastnode
minetest.register_node(name, def)
end
-- registration:
mesecon.register_movestone("mesecons_movestones:movestone", {
tiles = {
"jeija_movestone_side.png",
"jeija_movestone_side.png",
"jeija_movestone_arrows.png^[transformFX",
"jeija_movestone_arrows.png^[transformFX",
"jeija_movestone_arrows.png",
"jeija_movestone_arrows.png",
},
groups = {cracky = 3},
description = "Movestone",
sounds = default.node_sound_stone_defaults()
}, false, false)
mesecon.register_movestone("mesecons_movestones:sticky_movestone", {
tiles = {
"jeija_movestone_side.png",
"jeija_movestone_side.png",
"jeija_sticky_movestone.png^[transformFX",
"jeija_sticky_movestone.png^[transformFX",
"jeija_sticky_movestone.png",
"jeija_sticky_movestone.png",
},
groups = {cracky = 3},
description = "Sticky Movestone",
sounds = default.node_sound_stone_defaults(),
}, true, false)
mesecon.register_movestone("mesecons_movestones:movestone_vertical", {
tiles = {
"jeija_movestone_side.png",
"jeija_movestone_side.png",
"jeija_movestone_arrows.png^[transformFXR90",
"jeija_movestone_arrows.png^[transformR90",
"jeija_movestone_arrows.png^[transformFXR90",
"jeija_movestone_arrows.png^[transformR90",
},
groups = {cracky = 3},
description = "Vertical Movestone",
sounds = default.node_sound_stone_defaults()
}, false, true)
mesecon.register_movestone("mesecons_movestones:sticky_movestone_vertical", {
tiles = {
"jeija_movestone_side.png^(mesecons_glue.png^[opacity:127)",
"jeija_movestone_side.png^(mesecons_glue.png^[opacity:127)",
"jeija_movestone_arrows.png^[transformFXR90",
"jeija_movestone_arrows.png^[transformR90",
"jeija_movestone_arrows.png^[transformFXR90",
"jeija_movestone_arrows.png^[transformR90",
},
groups = {cracky = 3},
description = "Vertical Sticky Movestone",
sounds = default.node_sound_stone_defaults(),
}, true, true)
-- crafting:
-- base recipe:
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"},
}
})
-- conversation:
minetest.register_craft({
type = "shapeless",
output = "mesecons_movestones:movestone",
recipe = {"mesecons_movestones:movestone_vertical"},
})
minetest.register_craft({
type = "shapeless",
output = "mesecons_movestones:movestone_vertical",
recipe = {"mesecons_movestones:movestone"},
})
minetest.register_craft({
type = "shapeless",
output = "mesecons_movestones:sticky_movestone",
recipe = {"mesecons_movestones:sticky_movestone_vertical"},
})
minetest.register_craft({
type = "shapeless",
output = "mesecons_movestones:sticky_movestone_vertical",
recipe = {"mesecons_movestones:sticky_movestone"},
})
-- make sticky:
minetest.register_craft({
output = "mesecons_movestones:sticky_movestone",
recipe = {
{"mesecons_materials:glue", "mesecons_movestones:movestone", "mesecons_materials:glue"},
}
})
minetest.register_craft({
output = "mesecons_movestones:sticky_movestone_vertical",
recipe = {
{"mesecons_materials:glue"},
{"mesecons_movestones:movestone_vertical"},
{"mesecons_materials:glue"},
}
})
-- legacy code:
minetest.register_alias("mesecons_movestones:movestone_active",
"mesecons_movestones:movestone")
minetest.register_alias("mesecons_movestones:sticky_movestone_active",
"mesecons_movestones:sticky_movestone")
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