Post your modding questions here

[pithy]

@DS-minetest: Your signature uses the word too. I do not think it means what you think it means.

is it better now?

Yes it is better.

@Linuxdirk: To add a setting to the configuration UI see settingtypes.txt in lua_api.txt.

So settingtypes.txt isn’t for games only but mods can use it, too? But I guess with this I still have to make sure to use some kind of validation of the used configuration option actually exists in minetest.conf, right?

Yes mods can have a settingtypes.txt to.

If it is not in minetest.conf then the value is nil.

Germans like to use the word too.

[Linuxdirk]

Yes mods can have a settingtypes.txt to.

If it is not in minetest.conf then the value is nil.

Just checked and rewrote my modpack so it uses the file. Too bad it's stated nowhere that this is possible for mods, too.

Germans like to use the word too.

Wenn du willst, können wir auch gern auf Deutsch weiterdiskutieren. Ansonsten lasse mich bitte aus diesem OT-Quatsch raus. :)

[ABJ]

idiocy mod

[pithy]

Wenn du willst, können wir auch gern auf Deutsch weiterdiskutieren. Ansonsten lasse mich bitte aus diesem OT-Quatsch raus. :)

Google Übersetzer funktioniert gut.

Vielleicht sollte ich aufhören, ich bin sowieso schlecht.

[GreenDimond]

Question:
If I wanted multiple blocks to be placed when I place one block, how would I make that happen? Also dependent on what direction player is facing?
eg- place one block and 2 "spawn" stacked on top and 3 "spawn" stacked next to it
[][]
[][] <------like that
[][]
^
Say that is the original block.

[D00Med]

When the block is placed(on_construct), check if the block beside is empty(ie: air), and then use minetest:set_node(pos, {name="nodename"}).
Like this:

Your phone or window isn't wide enough to display the code box. If it's a phone, try rotating it to landscape mode.

Code: Select all

on_construct = function(pos, node, _)
      local under = {x=pos.x, y=pos.y-1, z=pos.z}
      if minetest.get_node(under).name == "air" then
      minetest.set_node(under, {name = "test:node"})
      end
   end,


But I don't know about making it dependant on the direction the player faces

[RHR]

Question:
If I wanted multiple blocks to be placed when I place one block, how would I make that happen? Also dependent on what direction player is facing?
eg- place one block and 2 "spawn" stacked on top and 3 "spawn" stacked next to it
[][]
[][] <------like that
[][]
^
Say that is the original block.

When the block is placed(on_construct), check if the block beside is empty(ie: air), and then use minetest:set_node(pos, {name="nodename"}).
Like this:

Your phone or window isn't wide enough to display the code box. If it's a phone, try rotating it to landscape mode.

Code: Select all

on_construct = function(pos, node, _)
      local under = {x=pos.x, y=pos.y-1, z=pos.z}
      if minetest.get_node(under).name == "air" then
      minetest.set_node(under, {name = "test:node"})
      end
   end,


But I don't know about making it dependant on the direction the player faces

I think it is probably better to place them as schematics

[GreenDimond]

When the block is placed(on_construct), check if the block beside is empty(ie: air), and then use minetest:set_node(pos, {name="nodename"}).
Like this:

Your phone or window isn't wide enough to display the code box. If it's a phone, try rotating it to landscape mode.

Code: Select all

on_construct = function(pos, node, _)
      local under = {x=pos.x, y=pos.y-1, z=pos.z}
      if minetest.get_node(under).name == "air" then
      minetest.set_node(under, {name = "test:node"})
      end
   end,


But I don't know about making it dependant on the direction the player faces

W̶h̶e̶r̶e̶ ̶d̶o̶ ̶I̶ ̶p̶u̶t̶ ̶t̶h̶a̶t̶ ̶a̶n̶d̶ ̶h̶o̶w̶?̶ ̶(̶W̶h̶e̶r̶e̶ ̶i̶n̶ ̶t̶h̶e̶ ̶c̶o̶d̶e̶)̶
I̶ ̶t̶r̶i̶e̶d̶ ̶p̶u̶t̶t̶i̶n̶g̶ ̶a̶f̶t̶e̶r̶ ̶s̶o̶u̶n̶d̶s̶ ̶b̶u̶t̶ ̶d̶i̶d̶n̶t̶ ̶w̶o̶r̶k̶ ̶:̶P̶
EDIT: Figured that out, but the amount of blocks placed is infinite in that direction until obstructed... also, sounds don't seem to work. Keeps saying 'default' is nil in the default.node_sound_wood_defaults().

[D00Med]

Oh yes I forgot to mention that, just make it check if there is not already a the same node 2 nodes above.
have you listed default as a dependancy?

[pithy]

How do I use listcolors twice in a formspec?

[orwell]

You mean upper inventory blue and lower red?
I think this isn't possible as of now.
But you could make a background and make slot background transparent

[pithy]

^Thats what I was thinking I might have to do.

[Nyarg]

Hi folks )
Is it right if attached entity (to other entity) disappear after restart singleplayer game ?

simplified code here:

+ Spoiler

Your phone or window isn't wide enough to display the code box. If it's a phone, try rotating it to landscape mode.

Code: Select all

   
local a = minetest.add_entity( pos, Proto)   
local b = minetest.add_entity( pos, Proto)   
   
b:set_attach( a, "", {  x=10,  y=0, z=0},    {x=0, y=0, z=0})

[DS-minetest]

i think no, it only gets detached

[GreenDimond]

Is there an on_player_construct function or anything? Using on_construct makes an infinite tower. If there was a construct function specific to a player placing a block, I would like to know what it is.

[pithy]

Use "after_place_node" in the node def.

[GreenDimond]

Gave up on what I was doing. :P

[ExeterDad]

Is it possible to override a chat command registered by a mod to check for a condition? If so, how do I target it? Or would it be better to override the entire mod?

[orwell]

Yes you can, and that's cool about lua. You should avoid this practice, but here's how:
1. depend on the mod that registers the chatcommand, so that it loads first
2. take it and modify the function:

Your phone or window isn't wide enough to display the code box. If it's a phone, try rotating it to landscape mode.

Code: Select all

local original_func = minetest.chatcommands["chatcommandname"].func
minetest.chatcommands["chatcommandname"].func = function (name, param)
        if your condition here then
                original_func(name, param)
        end
end


It's important that you understand what you're doing:
you are saving the original function that the mod registered as local variable, then you define a new function that replaces the original chatcommand's function with the above code.
if you condition is true, you call the original function.

[hajo]

For Wild-West - themed buildings, I would need big signs on houses,
such as "Bank", "Saloon", "General Store", etc.

Obviously, I could make textures with parts of such a text,
(or just single big letters) to put on blocks.

Is there a better / more general way than to do it ?
E.g. a block made of 2 different materials, and a surface-pattern,
that makes it look like those ore-blocks. but shaped like a letter/symbol.

There is a mod for traffic-signs, and an idea for a sign-making machine, but still WIP.

[orwell]

You could make one big mesh and place the sign texture on it. That mesh would then span ~5 nodes but only occupies the node you placed it to.
The homedecor soda vending machine is actually a mesh being 2 nodes high and having a texture. Or have a look at the rails from my trains mod.
- model it in blender and unwrap (detailed info on how to make textures for models you find on youtube)
(1 blender unit equals 1 node)
- export as b3d and write SALOON on the texture
- make a drawtype=mesh node in MT.

[DS-minetest]

10 blender units equal 1 node at entities, at nodes, its 1:1
and .obj (wavefront) takes less disc space

[D00Med]

^can .obj files be animated?

[Christian9]

Yes, one example is the fan in VanessaE's Homedecor modpack

[sofar]

^can .obj files be animated?

No.

Yes, one example is the fan in VanessaE's Homedecor modpack

The fan in homedecor_modpack is a .b3d model, not an .obj model.

[D00Med]

Ok thanks.

[hajo]

You could make one big mesh and place the sign texture on it. .

Well, textures are static, and would need one for each text/sign.
And the text couldn't be changed ingame.

With "better solution" for big signs I meant a way to avoid such textures,
perhaps like the current signs with a formspec, but shown as big text
visible on a number of blocks.

[orwell]

Dynamic text is complicated ATM, because you can only change the texture of entities. Maybe have a look at display_lib, that looks promising.
The point is that a 'mesh' sign does not consist of multiple blocks. That was the simplification I wanted to advise.

[ExeterDad]

Yes you can, and that's cool about lua. You should avoid this practice, but here's how:
1. depend on the mod that registers the chatcommand, so that it loads first
2. take it and modify the function:

Your phone or window isn't wide enough to display the code box. If it's a phone, try rotating it to landscape mode.

Code: Select all

local original_func = minetest.chatcommands["chatcommandname"].func
minetest.chatcommands["chatcommandname"].func = function (name, param)
        if your condition here then
                original_func(name, param)
        end
end


It's important that you understand what you're doing:
you are saving the original function that the mod registered as local variable, then you define a new function that replaces the original chatcommand's function with the above code.
if you condition is true, you call the original function.

Wow! Thanks a bunch orwell! It's going to take me a bit to wrap my brain around that... but I appreciate the example and explanation. I'm pretty sure it looks like what I need :)

[Nyarg]

Is here something like on_collide for entities ?
Half of hour RTFM but nothing yet :/

Another question:
Entities after game loading stay visible after 2-4 sec than nodes.
Is it common behaviour ?