Post your modding questions here

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1244
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by 1244 » Post

Thank you kaeza. It's working.
My mods:
Barrels, Chemistry

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ashenk69
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by ashenk69 » Post

I've been trying to figure out how to get this one to work. I am trying to show another nodes inventory through another node's formspec. I get it to retrieve the inventory properly but I'm not sure how to set its size to display the grid.

Code: Select all

on_construct = function(pos)
        local meta = minetest.env:get_meta(pos)
        meta:set_string("formspec", 
                "size[8,9]"..
                "list[nodemeta:"..meta:get_int("x")..","..meta:get_int("y")..","..meta:get_int("z")..";source;0,0;8,4;]"..
                "list[current_player;main;0,5;8,4;]")
        meta:set_string("infotext", "Stockpile")
        --I'm not sure which list I'm supposed to set to get this to work
    end,

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Likwid H-Craft
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by Likwid H-Craft » Post

Image
Ok you see the paper at, well that where I would like have the craft, 9 boxs at, but it didn't work so how do I make it work?
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http://likwidtest.hj.cx/ (Not Done)

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oxenfreedan
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by oxenfreedan » Post

So... can someone post a Utube vid on how to make items move from one chest to another in the tecnic mod.
My Awesome Map please try:
http://forum.minetest.net/viewtopic.php?id=5028
I've played minetest since 0.3.1 came out!
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1244
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by 1244 » Post

In which way I can get pseudo random number in minetest. I know method next() but if I do this:

Code: Select all

local i = next(0,100)
I have error.
My mods:
Barrels, Chemistry

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Calinou
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by Calinou » Post

Code: Select all

my_random_number = math.random(10, 100)
This generates a number between 10 and 100.

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quick.dudley
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by quick.dudley » Post

If a mod which affects map generation is added to an existing map, what happens?

Sokomine
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by Sokomine » Post

Newly generated map chunks will be generated with the mod in effect. Already existing map chunks will remain the same. Depending on how large your world is, you may have to go far out for the new mod to take effect.
A list of my mods can be found here.

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Evergreen
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by Evergreen » Post

Hi, I'm back to this topic again. I'm making quartz from minecraft, and I want to know how to register ores, and how to make it as rare as iron. Also, I wanted to know what license the textures from minecraft are under.
Last edited by Evergreen on Wed Apr 17, 2013 19:59, edited 1 time in total.
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LionLAD
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by LionLAD » Post

Evergreen wrote:Hi, I'm back to this topic again. I'm making quartz from minecraft, and I want to know how to register ores, and how to make it as rare as iron. Also, I wanted to know what license the textures from minecraft are under.

the code to register an ore in order for it to spawn at -*** or what ever you set it to and it's very lanthy one of the more complex codes in minetest
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Evergreen
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by Evergreen » Post

There is a register ore function.
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ch98
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by ch98 » Post

I need help.
I need to take away coal from all 18box but I can from only 1st one.
code:

Code: Select all

local function placeNode(pos)
    local n = minetest.env:get_node(pos).name
      if (n == "air") then
    minetest.env:add_node(pos, {name="forcefield:forcefield"})
end
end


local function placeCubicShell(pos, sideLen)
   local s = math.floor(sideLen/2)
   for dx = -s, s do
      for dy = -s, s do
         placeNode({ x = pos.x + dx, y = pos.y + dy, z = pos.z - s })
         placeNode({ x = pos.x + dx, y = pos.y + dy, z = pos.z + s })
      end
   end
   for dy = -s, s do
      for dz = -s, s do
         placeNode({ x = pos.x - s, y = pos.y + dy, z = pos.z + dz })
         placeNode({ x = pos.x + s, y = pos.y + dy, z = pos.z + dz })
      end
   end
   for dz = -s, s do
      for dx = -s, s do
         placeNode({ x = pos.x + dx, y = pos.y - s, z = pos.z + dz })
         placeNode({ x = pos.x + dx, y = pos.y + s, z = pos.z + dz })
      end
   end
end



local function removeNode(pos)
      local n = minetest.env:get_node(pos).name
    if (n == "forcefield:forcefield") then
    minetest.env:add_node(pos, {name="air"})
end
end

local function removeCubicShell(pos, sideLen)
   local s = math.floor(sideLen/2)
   for dx = -s, s do
      for dy = -s, s do
         removeNode({ x = pos.x + dx, y = pos.y + dy, z = pos.z - s })
         removeNode({ x = pos.x + dx, y = pos.y + dy, z = pos.z + s })
      end
   end
   for dy = -s, s do
      for dz = -s, s do
         removeNode({ x = pos.x - s, y = pos.y + dy, z = pos.z + dz })
         removeNode({ x = pos.x + s, y = pos.y + dy, z = pos.z + dz })
      end
   end
   for dz = -s, s do
      for dx = -s, s do
         removeNode({ x = pos.x + dx, y = pos.y - s, z = pos.z + dz })
         removeNode({ x = pos.x + dx, y = pos.y + s, z = pos.z + dz })
      end
   end
end
















minetest.register_node("forcefield:forcefield", {
    tiles = {"forcefield_forcefield.png"},
    drawtype = glasslike,
    sunlight_propagates = true,
    walkable = true,
    diggable = false,
    damage_per_second = 4,
    on_punch = function(pos, node, puncher)
        punch = 1
    end,
    on_construct = function(pos)
        fpos = minetest.env:find_node_near(pos, 10, "forcefield:fmaker")
        local meta1 = minetest.env:get_meta(pos)
        local meta2 = minetest.env:get_meta(fpos)
        local fgen = 1
    end,
})

minetest.register_abm({
    nodenames = {"forcefield:forcefield"},
    interval = 1,
    chance = 1,
    action = function(pos, node, active_object_count, active_object_count_wider)
        if  minetest.env:find_node_near(pos, 6, "forcefield:fmaker") == nil then
        minetest.env:add_node(pos, {name="air"})
        end
    end,
})

default.forcefield_formspec =
    "size[8,9]"..
    "list[current_name;coal;2,1;6,3;]"..
    "list[current_player;main;0,5;8,4;]"..
    "field[0,3;2,1;range;range;4]"..
    "button_exit[0,1;2,1;exit;exit]"


minetest.register_node("forcefield:fmaker", {
    description = "Forcefield Generator",
    tiles = {"forcefield_sides.png","forcefield_sides.png","forcefield_front.png","forcefield_sides.png","forcefield_sides.png","forcefield_sides.png"},
    groups = {snappy=2, choppy=2},    
    after_place_node = function(pos, placer)
        local meta = minetest.env:get_meta(pos)
        if fgens then
        table.insert (fgens  , 0)
        meta:set_string("fgen", table.getn (fgens) ) 
        else 
        fgens = {0}
        table.insert (fgens  , 0)
        meta:set_string("fgen", table.getn (fgens))
    end
        meta:set_string("owner", placer:get_player_name() or "")
        meta:set_string("infotext", "Locked Chest (owned by "..meta:get_string("owner").."   #"..meta:get_string("fgen")..")")
    end,
    on_construct = function(pos)
        local meta = minetest.env:get_meta(pos)
        meta:set_string("formspec", default.forcefield_formspec)
        meta:set_string("infotext", "forcefield generator")
        local inv = meta:get_inventory()
        inv:set_size("coal", 18)
    end,

    can_dig = function(pos,player)
        local meta = minetest.env:get_meta(pos);
        local inv = meta:get_inventory()
        if not inv:is_empty("coal", 18) then
            return false
        end
        return true
    end,
 
})




minetest.register_abm({
    nodenames = {"forcefield:fmaker"},
    interval = 1,
    chance = 1,
    action = function(pos, node, active_object_count, active_object_count_wider)
        local meta = minetest.env:get_meta(pos)
        local inv = meta:get_inventory()
        local coallist = inv:get_list("coal")
            if inv:contains_item("coal", "default:coal_lump") then
            coalstack = inv:get_stack("coal", 1)
                    coalstack:take_item()
                    inv:set_stack("coal", 1, coalstack)
                placeCubicShell(pos, 10)
                else
                removeCubicShell(pos, 10)    
        end
            if fgens[meta:get_string("fgen")] >= 1 then
                coalstack = inv:get_stack("coal", 1)
                    coalstack:take_item()
                    inv:set_stack("coal", 1, coalstack)
                    fgens[meta:get_string("fgen")] = 0
        end

    end,
})


minetest.register_craft({
    output = 'forcefield:fmaker',
    recipe = {
        {'default:mese', 'default:mese', 'default:mese'},
        {'default:mese', 'default:furnace', 'default:mese'},
        {'default:mese', 'default:mese', 'default:mese'},
    }
})



part with taking coal is

Code: Select all

                 coalstack = inv:get_stack("coal", 1)
                    coalstack:take_item()
                    inv:set_stack("coal", 1, coalstack)          

I need this for my forcefield mod
Last edited by ch98 on Thu Apr 18, 2013 04:49, edited 1 time in total.
I have stopped playing minetest, and may not come back to it again. I would like to thank everyone that made the amazing time I had playing it. This account is not in use anymore, and the email has been linked to a unused account. If any administrator reading this has time, feel free to delete my account. Thank you very much for the great experience.

ch98
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by ch98 » Post

also, is it possible to save table like data after server restart?
I have stopped playing minetest, and may not come back to it again. I would like to thank everyone that made the amazing time I had playing it. This account is not in use anymore, and the email has been linked to a unused account. If any administrator reading this has time, feel free to delete my account. Thank you very much for the great experience.

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Traxie21
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by Traxie21 » Post

write it to a file^

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Evergreen
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by Evergreen » Post

Ignore my previous question, I figured it out.
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ch98
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by ch98 » Post

Traxie21 wrote:write it to a file^
how?
I have stopped playing minetest, and may not come back to it again. I would like to thank everyone that made the amazing time I had playing it. This account is not in use anymore, and the email has been linked to a unused account. If any administrator reading this has time, feel free to delete my account. Thank you very much for the great experience.

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12Me21
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by 12Me21 » Post

Is it possible to only have one of a certain type of node generate in the entire map?
Shoutouts to Simpleflips

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Traxie21
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by Traxie21 » Post

I could use some help with a timer for a HUD. I need to be able to remove one thing each second,
but I always get ERROR: Nil value, with no code indicator or anything. All variables seem valid.

HELP!

Code: Select all

local player = user

                local function timer(player, str)
                    if cntdown < 1 then
                        user:hud_remove(0)
                        user:hud_remove(1)
                        user:hud_remove(2)
                        user:hud_remove(3)
                    else
                        cntdown = cntdown-1
                        length1 = cntdown+str:len()
                        player:hud_change(0, number, length1*2+1)
                        local tbl = {player, str}
                        minetest.after(1, function(param)
                            timer(param.player, param.str)
                        end, tbl)                
                    end
                end
                timer(user, iname)

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RealBadAngel
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by RealBadAngel » Post

Traxie21 wrote:I could use some help with a timer for a HUD. I need to be able to remove one thing each second,
but I always get ERROR: Nil value, with no code indicator or anything. All variables seem valid.

HELP!

Code: Select all

local player = user

                local function timer(player, str)
                    if cntdown < 1 then
                        user:hud_remove(0)
                        user:hud_remove(1)
                        user:hud_remove(2)
                        user:hud_remove(3)
                    else
                        cntdown = cntdown-1
                        length1 = cntdown+str:len()
                        player:hud_change(0, number, length1*2+1)
                        local tbl = {player, str}
                        minetest.after(1, function(param)
                            timer(param.player, param.str)
                        end, tbl)                
                    end
                end
                timer(user, iname)
so where is cntdown initialized?

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ShadowNinja
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by ShadowNinja » Post

ch98 wrote:
Traxie21 wrote:write it to a file^
how?
Untested:

Code: Select all

function save(mytable, filename)
    file, error = io.open(filename, "w")
    if error then return error end
    file:write(minetest.serialize(mytable))
    file:close()
end

function load(filename)
    file, error = io.open(filename, "r")
    if error then return error end
    local mytable = minetest.deserialize(file:read("*a"))
    file:close()
    return mytable
end
Edit: added arguments, avoided overwriting the Lua "table" table.
Last edited by ShadowNinja on Sat Apr 20, 2013 22:10, edited 1 time in total.

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BlockMen
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by BlockMen » Post

Traxie21 wrote:I could use some help with a timer for a HUD. I need to be able to remove one thing each second,
but I always get ERROR: Nil value, with no code indicator or anything. All variables seem valid.

HELP!

Code: Select all

local max = 8 --max items to remove
local function timer(cnt, player)
    if cnt <= max then
        minetest.chat_send_all("remove hud item " .. cnt.. " from " ..player:get_player_name())  --removing
        minetest.after(1, timer, cnt+1, player)
    else
        minetest.chat_send_all("all " ..max.. "items are removed. now do want ever you want :P")        
    end
end
start the timer with

Code: Select all

timer(0, player) --or another number

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Traxie21
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by Traxie21 » Post

Will test blockmen.
RBA: its a local just above that code. it's usually equal to 60

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Evergreen
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by Evergreen » Post

Can someone fully explain the API for minetest.register_tool? The wiki article isn't complete.
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ch98
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by ch98 » Post

Shadow wrote:
ch98 wrote:
Traxie21 wrote:write it to a file^
how?
Untested:

Code: Select all

function save(mytable, filename)
    file, error = io.open(filename, "w")
    if error then return error end
    file:write(minetest.serialize(mytable))
    file:close()
end

function load(filename)
    file, error = io.open(filename, "r")
    if error then return error end
    local mytable = minetest.deserialize(file:read("*a"))
    file:close()
    return mytable
end
Edit: added arguments, avoided overwriting the Lua "table" table.

Thank you. I will try that.
I have stopped playing minetest, and may not come back to it again. I would like to thank everyone that made the amazing time I had playing it. This account is not in use anymore, and the email has been linked to a unused account. If any administrator reading this has time, feel free to delete my account. Thank you very much for the great experience.

Zsoltisawesome
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by Zsoltisawesome » Post

Hey, How Do You Define An Entity?
Check Out Moontest! http://hnss.gq/moontest
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