forked from Mirrorlandia_minetest/digistuff
Add digilines movestone
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cheapie
parent
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commit
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24
README
24
README
@ -101,3 +101,27 @@ The RAM and EEPROM chips behave identically, except that the RAM chip loses its
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How to use the 2D graphics processor:
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Please see gpu.txt for information on this part.
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How to use the digilines pistons:
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The following commands are accepted as strings: "extend" (extend the piston), "retract" (retract the piston), and "retract_sticky" (retract the piston, pulling one node like a sticky piston)
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You can also send a command as a table. If so, the fields that can be used in the table are as follows:
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* action: "extend" or "retract"
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* max: The maximum number of nodes to push/pull, cannot be set higher than 16. Set to 0 (or omit) when retracting to perform a non-sticky retraction.
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* allsticky: Pull a whole stack of nodes (like movestone), not just one.
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How to use the digilines movestone:
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Commands for this node are in the form of a table, with the field "command" set to the desired action, and other fields providing parameters.
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The commands are as follows:
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* "getstate": Returns a table containing the following elements: "targetpos" (table representing the target position), "pos" (table representing the current position), and "moveaxis" (the current axis being moved along, nil if not moving)
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* "absmove": Moves to the absolute position specified by "x" "y" and "z". No axis can move more than 50m as a result of one command. If movements along more than one axis are needed, they are processed in alphabetical order (X,Y,Z).
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* "relmove": Same as absmove, but relative to the current position (for example, y=1 moves up 1m, not *to* Y=1)
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The available parameters for absmove and relmove are:
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* x: Target X position (for absmove) or target change in X position (for relmove)
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* y: Same, but for Y
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* z: Same, but for Z
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* sticky: Whether to pull nodes along behind the movestone
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* allsticky: Whether to pull a full stack of nodes like normal movestone (true) or just one like a sticky piston (false)
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* maxstack: The maximum number of nodes to push/pull, with the movestone itself counting as 1. Cannot be set higher than 50.
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* sound: "mesecons" to have the mesecons movestone sound play or "none" for no sound at all
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If any of x/y/z are omitted, then they default to the current position (for absmove) or 0 (for relmove).
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If any of maxstack/sticky/allsticky/sound are omitted, they default to the values last used.
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1
init.lua
1
init.lua
@ -19,6 +19,7 @@ local components = {
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"memory",
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"gpu",
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"sillystuff",
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"movestone",
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}
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if minetest.get_modpath("mesecons_luacontroller") then table.insert(components,"ioexpander") end
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269
movestone.lua
Normal file
269
movestone.lua
Normal file
@ -0,0 +1,269 @@
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if not minetest.get_modpath("mesecons_mvps") then
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minetest.log("warning","mesecons_mvps is not installed - digilines movestone will not be available")
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return
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end
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local function abortmovement(pos)
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local meta = minetest.get_meta(pos)
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local state = meta:get_string("state")
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if state ~= "" then state = minetest.deserialize(state) else state = {} end
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state.targetx = pos.x
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state.targety = pos.y
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state.targetz = pos.z
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state.moveaxis = nil
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meta:set_string("state",minetest.serialize(state))
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end
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local function checkprotection(pos,player)
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if not player then player = "" end
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if type(player) ~= "string" then player = player:get_player_name() end
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if minetest.is_protected(pos,player) and not minetest.check_player_privs(player,{protection_bypass=true}) then
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minetest.record_protection_violation(pos,player)
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return false
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end
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return true
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end
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local function move(pos,dir,state)
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local newpos = vector.add(pos,dir)
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local stack = mesecon.mvps_get_stack(pos,dir,state.maxstack,state.sticky and state.allsticky)
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if not stack then
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abortmovement(pos)
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return false
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end
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for _,i in pairs(stack) do
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if not checkprotection(i.pos,state.player) then
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abortmovement(pos)
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return false
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end
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end
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local success,stack,oldstack = mesecon.mvps_push(pos,dir,state.maxstack)
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if not success then
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abortmovement(pos)
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return false
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end
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mesecon.mvps_process_stack(stack)
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mesecon.mvps_move_objects(pos,dir,oldstack)
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if state.sound == "mesecons" then
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minetest.sound_play("movestone",{pos = pos,max_hear_distance = 20,gain = 0.5,},true)
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end
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if not state.sticky then return true end
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local ppos = vector.add(pos,vector.multiply(dir,-1))
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local success,stack,oldstack
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if state.allsticky then
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success,stack,oldstack = mesecon.mvps_pull_all(ppos,dir,state.maxstack)
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else
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success,stack,oldstack = mesecon.mvps_pull_single(ppos,dir,state.maxstack)
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end
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if success then
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mesecon.mvps_move_objects(ppos,dir,oldstack,-1)
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else
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abortmovement(pos)
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return false
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end
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return true
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end
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local rules = {
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{x = 1, y = 0, z = 0},
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{x =-1, y = 0, z = 0},
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{x = 0, y = 1, z = 0},
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{x = 0, y =-1, z = 0},
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{x = 0, y = 0, z = 1},
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{x = 0, y = 0, z =-1},
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}
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minetest.register_node("digistuff:movestone", {
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description = "Digilines Movestone",
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groups = {cracky = 3,},
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on_construct = function(pos)
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local meta = minetest.get_meta(pos)
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meta:set_string("formspec","field[channel;Channel;${channel}")
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local initialstate = {
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targetx = pos.x,
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targety = pos.y,
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targetz = pos.z,
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sound = "mesecons",
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maxstack = 0,
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allsticky = false,
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}
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meta:set_int("active",0)
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meta:set_string("state",minetest.serialize(initialstate))
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end,
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after_place_node = function(pos,player)
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if not player then return end
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local meta = minetest.get_meta(pos)
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meta:set_string("owner",player:get_player_name())
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end,
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tiles = {
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"jeija_movestone_side.png",
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},
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on_receive_fields = function(pos, formname, fields, sender)
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local name = sender:get_player_name()
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if minetest.is_protected(pos,name) and not minetest.check_player_privs(name,{protection_bypass=true}) then
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minetest.record_protection_violation(pos,name)
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return
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end
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local meta = minetest.get_meta(pos)
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if fields.channel then meta:set_string("channel",fields.channel) end
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end,
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on_timer = function(pos)
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local meta = minetest.get_meta(pos)
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if meta:get_int("active") < 1 then return end
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local state = meta:get_string("state")
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local newpos = pos
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if state ~= "" then state = minetest.deserialize(state) else return end
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if state.moveaxis == "x" then
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local dir = vector.new(state.targetx > pos.x and 1 or -1,0,0)
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move(pos,dir,state)
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newpos = vector.add(pos,dir)
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if newpos.x == state.targetx then
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if newpos.y ~= state.targety then
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state.moveaxis = "y"
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elseif newpos.z ~= state.targetz then
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state.moveaxis = "z"
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else
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state.moveaxis = nil
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end
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end
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elseif state.moveaxis == "y" then
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local dir = vector.new(0,state.targety > pos.y and 1 or -1,0)
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move(pos,dir,state)
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newpos = vector.add(pos,dir)
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if newpos.y == state.targety then
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if newpos.z ~= state.targetz then
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state.moveaxis = "z"
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else
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state.moveaxis = nil
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end
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end
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elseif state.moveaxis == "z" then
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local dir = vector.new(0,0,state.targetz > pos.z and 1 or -1)
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move(pos,dir,state)
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newpos = vector.add(pos,dir)
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if newpos.z == state.targetz then
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state.moveaxis = nil
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end
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end
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local newmeta = minetest.get_meta(newpos)
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newmeta:set_int("active",state.moveaxis and 1 or 0)
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newmeta:set_string("state",minetest.serialize(state))
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if state.moveaxis then
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local timer = minetest.get_node_timer(newpos)
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timer:start(0.33)
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end
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end,
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_digistuff_channelcopier_fieldname = "channel",
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digiline = {
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wire = {
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rules = rules,
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},
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receptor = {},
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effector = {
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action = function(pos,node,channel,msg)
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local meta = minetest.get_meta(pos)
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local setchan = meta:get_string("channel")
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if channel ~= setchan then return end
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if type(msg) ~= "table" or not msg.command then return end
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if msg.command == "getstate" then
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local ret = {}
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local meta = minetest.get_meta(pos)
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local state = meta:get_string("state")
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if state ~= "" then state = minetest.deserialize(state) else state = {} end
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if not state then
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minetest.log("error",string.format("Invalid state information for digilines movestone at %d,%d,%d: %s",pos.x,pos.y,pos.z,meta:get_string("state")))
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return
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end
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ret.pos = pos
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ret.targetpos = vector.new(state.targetx,state.targety,state.targetz)
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ret.moveaxis = state.moveaxis
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digiline:receptor_send(pos,rules,channel,ret)
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elseif msg.command == "absmove" then
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local ret = {}
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local meta = minetest.get_meta(pos)
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local state = meta:get_string("state")
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if state ~= "" then state = minetest.deserialize(state) else state = {} end
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if not state then
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minetest.log("error",string.format("Invalid state information for digilines movestone at %d,%d,%d: %s",pos.x,pos.y,pos.z,meta:get_string("state")))
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return
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end
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if type(msg.sound) == "string" then state.sound = msg.sound end
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if type(msg.x) ~= "number" then msg.x = pos.x end
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if type(msg.y) ~= "number" then msg.y = pos.y end
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if type(msg.z) ~= "number" then msg.z = pos.z end
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msg.x = math.max(pos.x-50,math.min(pos.x+50,math.floor(msg.x)))
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msg.y = math.max(pos.y-50,math.min(pos.y+50,math.floor(msg.y)))
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msg.z = math.max(pos.z-50,math.min(pos.z+50,math.floor(msg.z)))
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local firstaxis
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if msg.x ~= pos.x then firstaxis = "x"
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elseif msg.y ~= pos.y then firstaxis = "y"
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elseif msg.z ~= pos.z then firstaxis = "z" end
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if firstaxis then
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state.targetx = msg.x
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state.targety = msg.y
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state.targetz = msg.z
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state.moveaxis = firstaxis
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if msg.sticky then
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state.sticky = true
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elseif msg.sticky == false then
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state.sticky = false
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end
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if msg.allsticky then
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state.allsticky = true
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elseif msg.allsticky == false then
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state.allsticky = false
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end
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if type(msg.maxstack) == "number" and msg.maxstack >= 0 and msg.maxstack <= 50 then
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state.maxstack = math.floor(msg.maxstack)
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end
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meta:set_string("state",minetest.serialize(state))
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meta:set_int("active",1)
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minetest.get_node_timer(pos):start(0.1)
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end
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elseif msg.command == "relmove" then
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local ret = {}
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local meta = minetest.get_meta(pos)
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local state = meta:get_string("state")
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if state ~= "" then state = minetest.deserialize(state) else state = {} end
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if not state then
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minetest.log("error",string.format("Invalid state information for digilines movestone at %d,%d,%d: %s",pos.x,pos.y,pos.z,meta:get_string("state")))
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return
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end
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if type(msg.sound) == "string" then state.sound = msg.sound end
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if type(msg.x) ~= "number" then msg.x = 0 end
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if type(msg.y) ~= "number" then msg.y = 0 end
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if type(msg.z) ~= "number" then msg.z = 0 end
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msg.x = pos.x+math.max(0,math.min(50,math.floor(msg.x)))
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msg.y = pos.y+math.max(0,math.min(50,math.floor(msg.y)))
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msg.z = pos.z+math.max(0,math.min(50,math.floor(msg.z)))
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local firstaxis
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if msg.x ~= pos.x then firstaxis = "x"
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elseif msg.y ~= pos.y then firstaxis = "y"
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elseif msg.z ~= pos.z then firstaxis = "z" end
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if firstaxis then
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state.targetx = msg.x
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state.targety = msg.y
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state.targetz = msg.z
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state.moveaxis = firstaxis
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if msg.sticky then
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state.sticky = true
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elseif msg.sticky == false then
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state.sticky = false
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end
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if msg.allsticky then
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state.allsticky = true
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elseif msg.allsticky == false then
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state.allsticky = false
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end
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if type(msg.maxstack) == "number" and msg.maxstack >= 0 and msg.maxstack <= 50 then
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state.maxstack = math.floor(msg.maxstack)
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end
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meta:set_string("state",minetest.serialize(state))
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meta:set_int("active",1)
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minetest.get_node_timer(pos):start(0.1)
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end
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end
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end
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},
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},
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})
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