LunaLua Offical Thread - SMBX Usermod Framework

[Kevsoft]

You define it where you write it.

[Nat The Porcupine]

Are there any other LunaLua 0.7.3 BETA users experiencing this issue with the SMB3 Overhaul API?



Before anybody asks, I checked, and there are no missing graphics. I also used the example level to test this whole thing out, so this being the result of improper setup is impossible. I've also tested both the version included with LunaLua 0.7.3 as well as the latest version from the actual forum post; the result is the same. Even a fresh reinstall of the LunaLua did not solve the issue. However, I did NOT test this in older versions of LunaLua.

What's really weird is that P-meter and Clock icon still render. In the case of the P-meter, only the red arrows and red letter "P" ever render. Furthermore, the red P-meter arrows bleed into the screen, so it still looks like it's full even after I've been standing still for awhile. I hope this is just a quick fix and not something that requires a fresh rewrite of the code...

[lotus006]

@Nat The Porcupine

Yup I'm getting the same result I was thinking my self maybe it was because I fucked up the files when editing other lua
but apparently you got the same things.

try minimal Overhaul api you have the setup of the SMB Advance 4 but you dont have the blue hud rectangle just minimal stuff of the look
of SMB3 and it work fine. (probably something can conflict with his old code like place sprite something)

But I was recreating from strach few hud from alot of game with an menu hud who you can control want you want to toggle parts.
I have so far the SMB Advance 4 done SMB2 and a Mix of Zelda2 and Zelda 3 , but not sure when I will release it.

[Nat The Porcupine]

@lotus006

Well, it's good to know I'm not the only one. Just thought it was weird that the api was included in the Beta in its current state. If this ends up working in older versions LunaLua, then it may actually be something wrong with the LunaLua Beta itself. I kind of believe that may be the root cause, but I don't know for sure.

EDIT: I just tested this in LunaLua 0.7.0.3 and it worked without issue. It looks like the Beta may be the root cause of the issue after all.

[Ness-Wednesday]

Am I able to do the following things with peach?

Change Peach's attack via Tanooki suit to a projectile based attack and maker active in statue form?
And change her bomb attack to Link's sword attack?
I also wonder if I am able to make Peach spinjump without anyone else triggering her to do so?

[Emral]

Yes, yes, yes. All you need for these are the player and npc class, and their offset pages on the wiki.
I'm assuming Peach's spinjump would work like the one Rednaxela made for Link.

[lotus006]

I got a question about table , is there a way to get the last key in the table (i mean not the highest value the last value)
in example:

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stuff= {
1 = cat,
5 = dog,
3 = red,
4 = green }

I need to get 4 in the result

thanks

[underFlo]

Pretty sure that table's aren't saved in the order you create them and instead order them when they store them. Only idea would be to put {5, dog} where dog is and the key to 2 etc. so the keys you used are now just elemente of the inner table. That way, the keys to the elements can be ordered normally, and you'd access the last key with

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stuff[#stuff][1]

I don't know what you're planning to do here, but of you wanna use a table to execute code for multiple elements, I'd really recommend for the keys to be in order. So that way, your table would be

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stuff= {
{1, cat},
{5, dog},
{3, red},
{4, green}}

[lotus006]

Pretty sure that table's aren't saved in the order you create them and instead order them when they store them. Only idea would be to put {5, dog} where dog is and the key to 2 etc. so the keys you used are now just elemente of the inner table. That way, the keys to the elements can be ordered normally, and you'd access the last key with

Code: Select all

stuff[#stuff][1]

I don't know what you're planning to do here, but of you wanna use a table to execute code for multiple elements, I'd really recommend for the keys to be in order. So that way, your table would be

Code: Select all

stuff= {
{1, cat},
{5, dog},
{3, red},
{4, green}}

oh thanks, dont worry I wont use this table its just to be in an example to make understand I wont want the value 5.

it's just because I wanna want to display stuff with Text.print like this

just to see how much block I'm trying to detect when I'm colliding it.

in that example under, this code will be ok ?

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Text.print( tonumber(stuff[#stuff][1]) , 10 , 100 )

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Output = 4

[PixelPest]

Having a bit of an issue here with my bomb boo AI:

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local bombboo = {}

function bombboo.onInitAPI()
	registerEvent(bombboo, "onLoop", "onLoop", false)
end

function bombboo.onLoop()
	tableOfBombBoos = NPC.get(43, -1);
end

function onKeyDown(keycode)
	if (keycode == KEY_RUN) then
		for _,v in pairs(NPC.get(43,player.section)) do
			if NPC.getIntersecting(player.x,player.y,player.x + player.width,player.y + player.height) > 0 then
				tableOfBombBoos[table.getn(tableOfBombBoos)].id = 137;
			end
		end
	end
end

return bombboo

It doesn't do anything when I grab npc-43 (boo with grabside = 1), when it should transform into npc-137. Any ideas?

[underFlo]

You'd need to do v.id

What you're doing is transforming the last bomb boo into npc-137.

Also, why do you define tableOfBombBoos?

Also, you haven't registered the event "onKeyDown"

Also, you should just do the NPC.getIntersecting for loop, since there's no point in doing it twice.

Just do

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for _, v in pairs(NPC.getIntersecting(what you put there)) do
    if v.id == 43 then
        v.id = 137
        break
    end
end

(The break is so only one bomb boo gets transformed)

[PixelPest]

Thanks Spinda.

[PixelPest]

I found kind of an issue in Lua, when doing anything like this:

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function onLoop()
	for _,v in pairs(NPC.get(229,player.section)) do
		if #Block.getIntersecting(v.x,v.y,v.x + v.width,v.y + v.height) > 0 then
			v:kill(9)
		end
	end
end

If you have something happening too an NPC, block, etc., it is also affected by hidden objects. For example, in this code, when NPC 229 collides with a block, you kill the NPC without any effects. If you had an invisible layer, this would still be considered a collision and the NPC would randomly disappear.

[Emral]

You can check for Layer.isHidden to circumvent this.

[PixelPest]

You can check for Layer.isHidden to circumvent this.

Thanks. Good to know.

[lotus006]

I have just two small questions :

1. is there a way to get the images (icons) and show them with Graphics.drawImageWP from the editor but in game about the items, blocks, npcs, etc... ?

2. is it possible to have a picture and made it hide with transparency layer image ? (like clipping picture) with png ?

Thanks

[Quantumenace]

Experimental NPC reference system. SMBX shuffles NPC addresses around between loops sometimes, which can cause incorrect references if you try to keep track of a specific NPC.

This assigns a unique key to the NPC using otherwise unused memory bytes. It would require referencing and destroying 4 billion NPCs for it to run out of keys. If the memory address is moved, the system will try to find the correct NPC and update the pointer.

Are there any obvious flaws? Also, if this is used in LoadSharedAPI, will everything still use the same nextkey variable correctly?

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--NPC reference system can be used to store references to a specific NPC over multiple loops

--Uses normally unused offsets. For this to work, do not alter these memory offsets:
--0x64-65, generator type flag (don't change the NPC to/from a generator)
--0x6C-6F in non-generators (generator delay)
--0xE8-EB in generators (animation timer)

--NPCref takes the NPC pointer and returns a table containing a the pointer and a unique key
--NPCfromref takes the table and returns the NPC pointer
--If the NPC address is moved by SMBX between loops,
--the key will mismatch and the system will attempt to find the correct NPC

--NPCfromref will return nil if the NPC no longer exists. Ensure your code accounts for this.

local NPCrefsystem = {}

local nextkey = 1


function NPCref(NPCpointer)
	local key = 0
	local ref = {}
	if NPCpointer:mem(0x64,FIELD_WORD) == 0 then
		key = NPCpointer:mem(0x6C,FIELD_DWORD)
	else
		key = NPCpointer:mem(0xE8,FIELD_DWORD)
	end
	if key == 0 then
		key = nextkey
		if NPCpointer:mem(0x64,FIELD_WORD) == 0 then
			NPCpointer:mem(0x6C,FIELD_DWORD,key)
		else
			NPCpointer:mem(0xE8,FIELD_DWORD,key)
		end
		nextkey = nextkey + 1
		if nextkey == 2147483648 then nextkey = -2147483648 end
		if nextkey == 0 then nextkey = 1 end
	end
	ref.pointer = NPCpointer; ref.key = key
	return ref
end

function NPCfromref(ref)
	local key = ref.key
	local k
	local n = ref.pointer
	if key == nil then return nil end
	if n ~= nil and not n.isValid then n = nil end
	if n ~= nil then
		if n:mem(0x64,FIELD_WORD) == 0 then
			k = n:mem(0x6C,FIELD_DWORD)
		else
			k = n:mem(0xE8,FIELD_DWORD)
		end
	end
	if n == nil or k ~= key then
		for _,v in pairs(NPC.get(-1,-1)) do
			if v:mem(0x64,FIELD_WORD) == 0 then
				k = v:mem(0x6C,FIELD_DWORD)
			else
				k = v:mem(0xE8,FIELD_DWORD)
			end
			if k == key then n = v; ref.pointer = v; break end
		end
	end
	if k == key then return n
	else ref.pointer = nil; ref.key = nil; return nil
	end
end

return NPCrefsystem

[Emral]

http://wohlsoft.ru/pgewiki/Pnpc.lua ?

[Quantumenace]

Okay, now I'm embarrassed.

Edit: Is there a simple way to detect if a simulated NPC would be hit and take damage from NPCs or explosions intersecting a collider area? I'm trying to make something that's a rotatable 64x32 rectangle, and my current method of using 3 dummy rippers appears to work well, but is there a better way?

[PixelPest]

Code: Select all

local leveltimer = loadSharedAPI("leveltimer")

function onStart()  
	leveltimer.setSecondsLeft(200);
	leveltimer.setTimerState(true);
end

function onLoop()
	local seconds = leveltimer.getSecondsLeft()
	
	if timetrialsactive == true then
		if gold11 == true then
			Graphics.drawImageWP(gold, 0, 0, 5)
		end
		if gold11 ~= true then
			if sliver11 == true then
				Graphics.drawImageWP(silver, 0, 0, 5)
			end
			if silver11 ~= true then
				if bronze11 == true then
					Graphics.drawImageWP(bronze, 0, 0, 5)
				end
			end
		end
	end
end

function onEvent(calledEvent)
	if calledEvent == "Collected" then
		if seconds == 175 then
			if gold11active == true then
				gold11 = true
				gold11active = false
				silver11active = false
				bronze11active = false
				Graphics.drawImageWP(gold, 0, 0, 5)
			end
		end
		if seconds == 165 then
			if silver11active == true then
				silver11 = true
				silver11active = false
				bronze11active = false
				Graphics.drawImageWP(silver, 0, 0, 5)
			end
		end
		if seconds == 155 then
			if bronze11active == true then
				bronze11 = true
				bronze11active = false
				Graphics.drawImageWP(bronze, 0, 0, 5)
			end
		end
	end
end

Where do I draw these images such that they appear in the top left hand corner of the screen when their criterias are met? Right now they just don't show up. (Don't worry, I already have variables defined in my lunaworld.lua for everything needed.)