Need help with lua? - LunaLua General Help

[SMBX-Acc]

How do I use AI (ai.1-5) of an existing NPC for my custom NPC? I'm trying to make a custom koopa shell.

Thanks

[timocomsmbx2345]

I'm thinking about using all the scripts for my episode.bhownwouldnongp about doing that?

[Rixitic]

For starters, you don't. Cinematx, textblox, and really all the other ones I made before animatx2 are generally bloated buggy messes and at least one of them doesn't even work anymore. And there's a lot of other folks' older libraries that are outdated/deprecated for similar reasons.

Going with some more recent scripts that fit the design and direction of your project rather than trying to make everything work together will be much more manageable.

[IttaBaby]

anybody willing to tell me how to switch some buttons? I want to make Wario dash when run is pressed, rather than alt-run. I tried but when I just replace them all it breaks his coding so he dashes forever.

[Emerald Galaxy]

Remember that LunaLua tutorial that involved making a Goomba follow Mario. How come it doesn't seem to work anymore?

[Emerald Galaxy]

Hello. I'm trying to give Peach and Toad their own swimming animations, but I'm having trouble doing so. Can I get a little assistance?
Thanks in advance.

[Skott]

Hey all, I'm having some trouble setting up global variables. Here's what I have in lunaworld.lua:

https://hastebin.com/biwerozede.rb

[Hoeloe]

That hastebin file is empty. For global variables you want to store them in either GameData or SaveData, depending on whether you want the value to be saved when you quit the game.

For example:
SaveData.myVariable = SaveData.myVariable or 0

A line like this will set up a global variable that is saved when you save the game, and initialised to 0.

[Emral]

That hastebin file is empty. For global variables you want to store them in either GameData or SaveData, depending on whether you want the value to be saved when you quit the game.

For example:
SaveData.myVariable = SaveData.myVariable or 0

A line like this will set up a global variable that is saved when you save the game, and initialised to 0.

It's not empty for me. Here's a repost.

Code: Select all

SaveData.Treasures = SaveData.Treasures
SaveData.Tokens = SaveData.Tokens
local str = "Treasures: "
local str2 = "Tokens: "

function onDraw()
	Text.print(str .. Treasures, 10, 46)

	Text.print(str2 .. Tokens, 10, 26)
end

function onEvent(eventName)
	if eventName == "SM" then
		SaveData.Tokens = SaveData.Tokens + 5
	end
	if eventName == "MM" then
		SaveData.Tokens = SaveData.Tokens + 10
	end
	if eventName == "LM" then
		SaveData.Tokens = SaveData.Tokens + 20
	end
end

function onNPCKill(eventObj, killedNPC, killReason)
	if killedNPC.id ~= 196 then return end

	if killReason ~= HARM_TYPE_OFFSCREEN then return end

	if Colliders.collide(player, killedNPC) then
		SaveData.Treasures = SaveData.Treasures + 1
	end
end

[TheNightingale]

Since some time I want to use this mechanic but I am not sure how to make it work. It's around switchable blocks:
- In the first jump, the blue blocks appear and the rest of the colors disappear
- In the second jump, the red blocks appear and the rest disappears
- In the third jump, the yellow blocks appear and the rest disappears
- In the fourth jump, the green blocks appear and the rest disappears
- And then that's what is supposed to happen over and over
I also have a video as a reference: https://www.youtube.com/watch?v=6sYTXcKBK5o

[Hoeloe]

It's not empty for me. Here's a repost.

Weird.

Anyway, the issue is that you never initialise the variables:

SaveData.Treasures = SaveData.Treasures
SaveData.Tokens = SaveData.Tokens

These lines do literally nothing - they're assigning variables to themselves, and if they don't exist, well they still don't exist afterwards.

The reason we do things like:

SaveData.myVar = SaveData.myVar or 0

is to initialise the variable. That "or 0" is the important part. What this line means is "if SavaData.myVar exists, then leave its value the same. Otherwise, set it to 0". This is done because, since SaveData loads its values from the save file, it might already be set up at this point, and just assigning it to 0 would make it act just like a regular variable, removing the point of SaveData in the first place.

[Skott]

Thanks, the variables are working perfectly now!

[Murphmario]

Hey, does anyone know how to make an NPC that behaves identically to a Snake Block other than the block it's initially set to in the PGE editor? I can't figure it out myself, so help would be appriciated.

[MisterZygarde64]

How am I supposed to run the code for this?
http://www.smbxgame.com/forums/v ... 87&t=13566

I'm making an episode where Mario and Luigi are the only playable characters but I want to make the episode easier so it can be more acessable. So I decided to download this lua code. (Credit to PixelPest). I just have no experience with LunaLua. I just need to know how I can have the code run so when Fire Mario his hit, he becomes big Mario instead of small Mario

*Edit* Nevermind. I figured it out.

[ElectriKong]

Hey, does anyone know how to make an NPC that behaves identically to a Snake Block other than the block it's initially set to in the PGE editor? I can't figure it out myself, so help would be appriciated.

Changed the block ID for the snake block NPCs in the properties, then place that block between them.

[Murphmario]

I said a NEW NPC, as in, not the same ID as a regular Snake Block.

[cato]

How do I script an autoscroll in other sections in SMBX 2.0 Beta 3?
It is possible in MAGLX3 or PAL version. Is it possible in the previous sections?

[Emral]

I said a NEW NPC, as in, not the same ID as a regular Snake Block.

Why? What Electriking said makes the snake block look like it were of the block you entered.
A demo can be found in this blog post:
http://codehaus.wohlsoft.ru/blog/2017/0 ... loodgates/

How do I script an autoscroll in other sections in SMBX 2.0 Beta 3?
It is possible in MAGLX3 or PAL version. Is it possible in the previous sections?

Literally the same as in the MAGLX3 builds.

[cato]

Well nope, legitly copied it from your video. Doesn't even scroll at all in Beta3. When I tested it on the PAL version, works perfectly fine.
I think the problem would be the argument "autoscroll.scrollRight(1)".

[Emral]

Well nope, legitly copied it from your video. Doesn't even scroll at all in Beta3. When I tested it on the PAL version, works perfectly fine.
I think the problem would be the argument "autoscroll.scrollRight(1)".

The only thing that changed in autoscroll.lua between beta 3 and maglx3 is that a buffer was introduced to ensure the first scroll command is guaranteed to be executed after the first onCameraUpdate, to prevent the camera from scrolling before it has properly reset. In Beta 3 you have to take care of that manually if you want the scroll to start immediately. No difference when starting a scroll later though, which is the primary use case anyway.