but all of them are broken
#blueprint
tawny tinsel
desert pendant
I'm fine with "no, unreal just has that limitation"
tawny tinsel
i have no idea how can they always be set to 0
odd ember
@tawny tinsel GetPresentTimeOfDay is what you need
rough wing
Guys, I am trying to make a pressure plate,
If I put 2 objects on the plate and then take one out
sonic kraken
https://gyazo.com/7c3260e60efadd73efcede3efdd6f839
@trim matrix This must to be in the gameplaymode
isn't it?
rough wing
Because it ends overlap, it disables the pressure plate
tawny tinsel
ok ill try it
sonic kraken
@sonic kraken - here is what I have in the instance.
After an enemy dies, they send this (InfoCheckforMapVictory) to the instance. Then it casts for all enemy types (zombiebase). If there are none, then it goes a head and loads a level.
@halcyon kelp This must to be in the gameplaymode, isn't it?
odd ember
@rough wing do you have any use for those boolean variables?
odd ember
probably
rough wing
@odd ember Not at the moment
halcyon kelp
@sonic kraken - it's in my game instance right now... im not the best blueprinter tho 😉
odd ember
@rough wing so what's the point?
odd ember
read up on casting
and what casting actually does
it's too complex to explain
at least not in like 2 minutes
rough wing
I'm going to use them later on
But atm
When one of the two objects end overlap, it starts the end overlap event
rough wing
But I only want that to happen when there is no object on the plate
tawny tinsel
does anyone just know what can i plug in there?
rough wing
you can just go into the goodsky blueprint and add the print there
odd ember
@tawny tinsel you can't just plug in random things and expect it to work. you actually have to read up on the topic and understand what casting is
distant sedge
Get Owner is probably not defined, throw a IsValid check on it
tawny tinsel
well the documentation doesnt explain it to me
odd ember
@tawny tinsel what does the documentation say?
odd ember
lol
tawny tinsel
also isvalid node doesnt plug into the cast node
maiden wadi
What you plug into casting is a reference to the object you're trying to affect. Usually it's an Actor or Pawn reference, but not always the case. This takes the reference from an Actor or Pawn and "Casts"(Movie type of cast) it as what you're casting it as, which allows you to reach the functionality done in that class.
sonic kraken
@sonic kraken - it's in my game instance right now... im not the best blueprinter tho 😉
@halcyon kelp I think it must to be in the gameplay mode
but i'm not sure
odd ember
interesting that you think movie casting, I always thought of cast metal
tawny tinsel
so what would be the refrence to the sky?
odd ember
we don't know
odd ember
that's something specific to your blueprint and project
maiden wadi
I hate the word "Cast" for that. I wish it was something more like "Treat As"
odd ember
tbh treat as would have been a great rename for BP
since people overwhelmingly have an issue understanding what a cast node does
odd ember
it's the tube shaped thing with a name on that you get from variables
odd ember
yeah
you need something TO cast
a cast isn't spawning a variable for you to use
it has to have a base object to use
tawny tinsel
well i dont see anything that i can plug into the cast node
mellow marlin
how do i get a widget (ui) to open on a scene?
odd ember
we don't know what you should plug in either because we don't know your project
rough wing
This is how I solved it
tawny tinsel
but cast node is used to acces the variables
tawny tinsel
and i need to pug a variable from that bp for the cast node to work?
odd ember
you can't make variables exist out of thin air
tawny tinsel
but all those variables are only inside the cast node
how the fuck
that makes no sense
pearl rose
Does someone has experience with physic in general?
odd ember
I would urge you to look up a tutorial @tawny tinsel
you can technically cast anything
but you need to cast the right thing to get what you want
tawny tinsel
i watched all of these
odd ember
so what's the issue?
sonic kraken
guys, how can i notify from a character to the level bp one event?
maiden wadi
Casting is easy. Take this reference, treat it as this reference. You just can't cast a reference to anything other than itself or any one of it's parents in it's class hierarchy.
tawny tinsel
i just want to take a variable from the good sky
atomic salmon
@tawny tinsel Casting means converting an object of a given class to an object of another class. That will work only if the classes you are converting to/from are related.
In the case of your Goodsky, the object you are plugging into the cast needs to be a parent of Goodsky, e.g. a reference to something Goodsky is derived from.
odd ember
@sonic kraken level blueprint supports direct event delegates
if you select your character in level and then right click inside the level blueprint you can see at the top the events you can put into the level blueprint from the character
atomic salmon
@tawny tinsel A classical example. You have an Animal class and a Dog class. Dog is derived from Animal and a Dog can bark, but an Animal in general cannot bark.
If you want your Dog to bark, you can call a Bark function on it. Now, if you store a reference to Dog using an Animal type variable, you cannot use it to make your Dog bark because Animal doesn't know how to bark. Therefore you first have to cast Animal to Dog and then you can call Bark for it.
Your Goodsky is similar. Probably you are referencing it using a reference to a parent class it derives from. Before you can access its specific functions (methods) or variables, you first need to convert that reference to BP_Goodsky. This is what cast is for.
mellow marlin
how do i show the mouse (curser)
atomic salmon
@mellow marlin https://blueprintue.com/blueprint/crg8mcho/
maiden wadi
Drag off of the player controller return value reference and type "Show Mouse Cursor" It should show up in the context menu.
sonic kraken
if you select your character in level and then right click inside the level blueprint you can see at the top the events you can put into the level blueprint from the character
@odd ember what's about gameplay mode¡
???
hollow cape
@mellow marlin show code
maiden wadi
You set it to false.
hollow cape
you have show mouse cursor set to false
odd ember
@sonic kraken what?
hollow cape
if you want it to show, it needs to be true
trim matrix
How can i get the distance from multiple spawned actors?
hollow cape
get world locations, subtract, vector length
trim matrix
wait
what if its the same actor just spawned in like 10k times?
I want procedural trees in my forest but they spawn so close to each other
I don't want that
hollow cape
do a sphere/box trace of some kind before placing, and use that to determine if the tree should be placed
just a thought
hollow cape
just trace down 1 unit or something
or up. Doesn't matter. Traces just have to move at least 1 unit to return a hit
mellow marlin
is it possible to make it so i dont have to click the screen in order for it to not show (just want to know if i could and if so how)
trim matrix
@hollow cape im doing it from another bp
so how would i get the location of the thing im trying to spawn?
or should i take the spawn location and plug it into start?
trim matrix
line trace
hollow cape
line trace?
trim matrix
shadow fox
anyone know of any Secret Tutorial vids
odd ember
secret tutorials huh
fathom portal
What does that even mean lmao
shadow fox
lol I cannot find anything for walking over and object and auto picking it up]
jaunty dome
I need help with UMG -> Uniform Grid population
hollow cape
don't tell anyone alright
shadow fox
there is no way in hell that thats impossible
odd ember
like the extra hidden necronomicon ladden tutorials available only in arameic on stone tablets
shadow fox
ive been all over it
jaunty dome
it's a simple logic issue, but my brain isn't functioning correctly
shadow fox
and for some reason I decided to do some stupid project
that involved 3 things that do not exist
fathom portal
@jaunty dome hit us with the details
jaunty dome
I want to fill the uniform grid slot with a widget through a loop
fathom portal
Sure, I've got that myself, what are you stuck on?
odd ember
... I know a dealer
maiden wadi
Event OnOverlap, IfCollidingActor == Player, Do pickup logic?
hollow cape
@shadow fox Go find a good tut on pick up in general, adapting that to auto pickup should be super simple
jaunty dome
jaunty dome
This to be more precise
I want to evenly distribute a character widget in the uniform grid, 4 widgets on each row
maiden wadi
@shadow fox What do you mean when you say "pick up"? Like, make the object disappear and add a number to an inventory, or do you mean place the object in the character's hand?
shadow fox
like walk over a sword and it puts it in your hand instantly instead of having to hit a button
like if you have nothing already equipt
maiden wadi
Do you have your equip to socket function set up already?
sonic kraken
guys, how can i trigger an event from AI controller to my gameplay or level blueprint?
maiden wadi
@shadow fox Probably just use ActorBeginOverlap, drag off of OtherActor and == it to a reference of your player character. Run that bool to a branch, then call your equip function you already have.
fathom portal
Where the Dividend is the current index, and the divisor is how many you want in each row
shadow fox
kk I will try that and let you know ty
fathom portal
Then the remainder is the "in row" and the return value is the "in column"
Then you don't need multiple loops but it will still automatically cover however many items there are, @jaunty dome
jaunty dome
@fathom portal Thanks a bunch
fathom portal
Sure, add more here (or just PM me) if you get lost trying to implement it
jaunty dome
do i need to -1 integer on array length ?
jaunty dome
so no need for length
fathom portal
Yup
jaunty dome
one more stupid question
how do i reference the other widget (facepalm)
ii mean like how to get a reference to it
fathom portal
Do the other widgets already exist?
fathom portal
Or are you making the widget inside the loop?
jaunty dome
as a separate UI blueprint
fathom portal
I mean, you should be looping those widgets, no?
Not sure what you're currently looping
jaunty dome
i'm currently looping an array of characters
that exists in the game mode
all good
now i need to create a widget for each character, so it can be selected from the grid
meaning in that loop, when i get the widget reference, i'll just set "character" variable in that widget and it handles displaying name image etc
ah i've already done this
i use create widget function
then add as child
sorry, my mind is foggy at the moment
severe rune
Not sure if it fits in here - but I'm currently having an issue with enemy pawn movement and navmeshes. Running locally through PIE (dedicated server + single process) it works fine, however when run standalone / or on a dedicated server all the pawns just stand there and do nothing, any ideas as to what might cause that behaviour?
mellow marlin
okay so when i go from the level with show mouse then i want it to hide the mouse when im in the game and when i get out of win screen is it possible to make it so i dont have to click the screen in order for it to not show (just want to know if i could and if so how)
rough wing
Is there any way I can get length (in my case diameter) of a mesh?
wintry crystal
Hello to everyone, I am currently learning how blueprint works and how to use them. I hope this is the right channel for the questions/issues of the blueprints.
(My project is based on a TopDown Layout)
I am looking for a way to stop the movement of my character, but leaving the player the ability to rotate while standing still.
I am currently using the "Disable movement+ Stop Movement Immediately" function, but unfortunately the character is completely locked down.
I would like to replicate the same movement inside the video.
Another issue: How can I set the spawn of the blue shield to be always in front the character ?
Thank you very much for the help in advance.
sonic kraken
Guys?
gloomy linden
@wintry crystal just use a boolean check for the player key input you want to disable
unique hollow
Heyyy
soo I need some help, basically I have a stamina bar
When I sprint it takes away my stamina even when I'm static
hollow cape
your first branch isn't connected to anything
hollow cape
also don't delay on tick
unique hollow
the true is supposed to be connected to the upper delay and oh
the event tick is supposed to be connected
to the branch
here
mellow marlin
okay so ive been looking on google and cant find it now so here it is. how do i change the text via blueprints?
also yes im new to ue4
unique hollow
Okay so what I want to do is basically whenever I'm not moving I want the game to check it, so I can put it through a branch that checks if I'm not moving or not in order for stamina depletion to not trigger
mellow marlin
okay im getting annoyed im trying to find out how to do it and i cant
hollow cape
change what text @mellow marlin
mellow marlin
the test in the gui i got aka widget
and im trying to do it so i can tell the player that they can use xbox controls to get out of win screen
@hollow cape
hollow cape
a couple ways to do it, either bind the text of the textbox to a var that you update, or you expose the textbox as a variable and update that directly via BP (usually the BP that created the widget)
gentle urchin
@rough wing Tried to get mesh bounds?
pine hull
Hello
Do you have some documentations/tutorials about data assets & primary data asset ?
mellow marlin
huh @hollow cape harvy huh 1 idk how the heck to do them and
hollow cape
@mellow marlin I'm giving you the direction to go, I would recommend checking out a tut related to UMG, and at some point it should go over these things
mellow marlin
k
mellow marlin
thanks
jolly pumice
Hey guys, I'm making new inventory system, based on maps and data tables, it will be quite massive. I have variable that sets type of item. For test, I used int to represent it, but it's hard to remember all and there are many types of item. Is there some way, to just chose one from predefined list? Or I'm stuck with int or names/strings with that?
fathom portal
@jolly pumice you can make an enum, or you can use code to get the data table row names:
jolly pumice
Yeah, but to chose row name, I still need manualy type int or string in dt. There's my problem
I have like 12k items, so anything that's speeds up, or gets things load faster, is necessary 😅
fathom portal
Having the same problem myself, honestly. Enum would be the way to go, honestly
jolly pumice
Yeah, I'm going with enums I think. That's best for that case, at least for now. Thanks MFG 😁
fathom portal
Sure man, lemme know if you come up with a better solution
jolly pumice
Or I'll import entire excel 😂
narrow kelp
@jolly pumice I feel like if you have 12k different items in a data table you might be doing it wrong
fathom portal
@narrow kelp How would you recommend storing/accessing 12K items with their own stats and variables?
gentle urchin
you can use RowHandle to get a list of avaliable rows,
that way you can just give them clever names ...
narrow kelp
it depends on what you're doing, but i'd just have a small number of base classes that add variation when spawned
fathom portal
Sure, but you still need a way to make all the data available
jolly pumice
I rethinked all possibilities, getting everything I need as independent item, not stacking similar, makes it easy to sort and load/save. Only problem with coding dt
fathom portal
I'm all for procedural generation and stuff, but sometimes you need things set in an easily organizable fashion
narrow kelp
no human being is going to look at 12k items
gentle urchin
^ Thats a fair point 😛
fathom portal
They are when they need to change one of those items
gentle urchin
WoW has 118283 items in total, for reference
fathom portal
I mean, if you have a better solution I'm all for it
But "Make some base classes with some variation" doesn't really replace the need
jolly pumice
Nope, did you played shop heroes?
fathom portal
I mean, I agree, if it's a lot of the same item with tiny variations then 12K+ probably isn't needed, but I got the impression it was unique items
narrow kelp
even if they're unique, if there is 12k then I think they should be created procedurally
nobody got time for that
jolly pumice
There are some stats, that can be recreated, from base item to 5 indywidual, but in my situation, when you can have 200 types of items, dozen of each, maps with name/int works fastest
If I could get third parameter to map, then I could get it way smaller
fathom portal
@jolly pumice would you mind sharing a screenshot of 20-30 of the items in your data table?
Now I'm curious who's right here
fathom portal
Teaaaase lmao
jolly pumice
But tomorrow I'll show you how it looks for now
fathom portal
Awesome
jolly pumice
Generally, it all works, creating items, inventory, recipes system etc.
But that ft scares me 😂
Dt*
Even not so bad graphics for craft slots 😁
narrow kelp
so, the first thing i'd do is re-think how you're handling items conceptually, BUT... if what you're doing is working for you
then
you could think about making helper functions that automatically find a row based on some parameters
jolly pumice
@narrow kelp I know, but I see so many problem with current systems, some are made, to find those similar items and it variants
plucky aurora
i need to talk to someone about the titanfall cause and effect level mechanic, where you can switch fluidly from one level to the other. currently i am using movable blueprints to spawn and despawn the levels, but its a shit way to do things and i lack experience when it comes to enabling and disabling collission on runtime for static meshes
if anyone likes to take on the challenge with me just in theory, a secondary brain or two would be really apprectiated 😄
one of my ideas was to have 3 levels set up for level streaming and the player just gets spawned with an offset of 200 meters or so, so i can unload the other levels when the player has switched the "time"
the other was to have all levels overlap each other but using a layer technique only render a specific group "time 1" "time 2" ... and so on
mystic olive
Ihad a question Im almost finished implamenting the muliplayer the max players that can join is 4 however I atn 1 player controlled Enemey to also have the potential of joining the game so would I need to set the max players to 5 or set the PCE as a seperate join value?
narrow kelp
@plucky aurora in my limited experience level streaming chugs
its never as smooth and seamless as you'd want
just something to keep in mind
plucky aurora
so youd rather would load between efficient and fast loading seperat levels or rather have all the stuff build in one level and just load and unload it with some sort of layer magic?
ivory sluice
Hey everyone,
I'm building and deploying my AR project but it's giving me some errors. The Following is the last part of the Android Log:
Precache HighWater 384MB.
Assertion failed: Memory [File:D:/Build/++UE4/Sync/Engine/Source/Runtime/PakFile/Private/IPlatformFilePak.cpp] [Line: 4010]
Some Observations:
- It's working perfectly on Galaxy S8
- Crashing On Galaxy Tab 6 & Galaxy s20 ultra
Really need to get to the bottom of this. Any help would be appreciated.
narrow kelp
tbh im not sure how titanfall does it, but if you're OK with a little slowness when streaming then that seems to be what you want
you can keep your player and whatever else you need in your main persistent level
plucky aurora
yeah my only problem was the first time i tried that, that i wasnt able to actually unload the levels
or "hide" them
when they overlapp and the player was in them they ALWAYS where on Oo
or was that maybe just because the meshes there where set to static
and that way they always are loaded no matter what Oo
unique hollow
How would I import a skeletal mesh only into a character blueprint
I don't need animations for it
narrow kelp
@plucky aurora I dont recall atm how to set it up, but you can make them unloaded by default
plucky aurora
i am reading up on that
rn 😄
do you know if theres a way to disable collission of specific meshes on runtime?
if they are set to static @narrow kelp
fallen drift
do you guys know how come i'm not getting the log statement to show up? i'm attempting to take away health points when the projectile collides with the object, i am able to destroy the object but not do anything further
fallen drift
ah okay
unique hollow
Dummy
fallen drift
what should that connect to?
unique hollow
Whatever your BP is connected to so it should come out on last
fallen drift
works thanks
unique hollow
Yeah
fallen drift
connected to cast to creature
unique hollow
Np lol
Yeah it should be like entire code then connect the last piece to the print you want
unique hollow
Hmm what do you mean exactly, I see the float is connected to in text
I'm a novice aswell, so still learning and English isn't my native
fallen drift
use the decrement to subtract from health
vivid quail
Question.. to dissolve a ai on death. Would you make a material instance with dissolve material then call it in zombiebp as a function after death?
trim matrix
Please and thanks in advance for the help
unique hollow
Oh no no
I have a code for subtracting things, I don't remember it exactly so I'd have to refer back to it, I'm not on my PC atm
fallen drift
alright cool works
the decrement says subtracting 1
but getting 0.0 for the output? health is 100 - 1 = 0.0?
is that perhaps because there are a lot of collisions that occur?
but then again the value should go negative past zero
okay, this works
distant sedge
@plucky aurora Effect and Cause didn't stream levels, it was two levels stacked on top of each other, then teleport the player on the Z axis. That actually benefited their texture streaming system so you wouldn't see the texture popin' when teleporting. They go into it more here: https://www.vice.com/en_us/article/av3a7b/a-behind-the-scenes-look-at-the-best-mission-in-titanfall-2
fallen drift
trim matrix
Ok I have a question. I have 8 gas cans you have to pick up. How can i make my enemy store each gas can's location on destroy of that actor's instance and come to the location once that instance has been collected?
plucky aurora
@distant sedge thank god you shared this with me i was searching like an idiot on google and couldnt find it 😄
thats fucking perfect for me, exactly like the solution i had in mind first
tight schooner
@trim matrix Tons of ways to do it I suppose. BP communication of some variety is necessary; could depend on whether it's just one enemy being notified that a gas can was collected, or a particular enemy of several, or a whole lot of enemies, and how those enemies are selected and etc... You should look up an overview of approaches to "blueprint communication" to get some ideas.
tight schooner
Quick and dirty non-performant way if there's only 1 enemy in the level: on pickup, the gas can or the player-pawn Gets All Actor of Class @ index 0, casts to the enemy, and calls some function on it.
tight schooner
I'm not knowledgeable on #gameplay-ai
trim matrix
i get what you did there
but this is not made using a behavior tree
so its not meant in ai
tight schooner
Save gas can location to a vector variable? lol
mellow marlin
@hollow cape i do u know of any unreal docs instead i dont under stand them videos
tight schooner
idk what you're asking for
hollow cape
look up the docs, they're there
mellow marlin
KHarvey if i found them would i be asking? (ik it sounds mean but i cant find them ive looked every where in the ui thingee)
trim matrix
I have 8 gas cans. For each gas can collected, save their individual location, and then send the enemy to that specific location to each location but one gas can collected at a time
if that makes sense
tight schooner
Must the enemy necessarily know about all 8 gas can locations? It only needs to know about the last-picked-up, right?
trim matrix
yea that what i mean
go to the last gas can's location that was picked up, and repeat that for each one collected
tight schooner
I suppose it needs a vector array variable that's basically a queue of gas can locations
trim matrix
ok
tight schooner
if the enemy goes between each location in an uninterrupted way
in the order they were collected
when a gas can is picked up, some sort of BP communication happens and the enemy adds a new entry to the list; when it reaches a destination, it removes index 0
fallen drift
here in the standard macros i'm unable to assign the object reference, any ideas to fix this?
tried "get attached parent actor"
mellow marlin
does some one know why this dont work
trim matrix
can someone simply explain to me how can i cast from a trigger box to a Bp that handles a skylight? I have triggerbox bp'd and from there on component overlap -> cast to the bp that handles skylight and put set hidden in game. the exec doesnt move from casting node
odd ember
@trim matrix you need to do that in a blueprint that blueprint needs to know both the triggerbox and the skylight
so it seems the level blueprint would be appropriate
gritty plover
Hey, it seems that my projectiles are all automatically being deleted after a few seconds. Is there an option for this that I overlooked or something?
trim matrix
cus some 1337 guys told me to not do lvl bp's
odd ember
well those people are full of
trim matrix
and as a matter of fact triggers also
odd ember
there isn't any reason not to use level BP
odd ember
what about them
trim matrix
someone told me not to use them especially if for consoles
odd ember
lol
holy shit dude
idk who the fuck talks shit on this level
but they don't have an understanding of making games at a level that matters
trim matrix
said that too expensive
odd ember
uh huh
trim matrix
well i thought its weird too but thanks for corrections
odd ember
I wonder what they do for interactions lmao
trim matrix
i remember he said just use line traces if u need anything
odd ember
like dot product traces lmao
trim matrix
=))
odd ember
nah fuck that
it's a crippled understanding of development
nothing is rigid
you use whatever fits the situation the best
trim matrix
I wonder if he was serious or trolling. If serious I wonder where his information came from
or how he reasons with it
odd ember
who was he
trim matrix
cant remember was like couple months ago 😄
odd ember
generally it doesn't matter either way
don't let yourself be gatekept
use whatever you need
make it work first
and if it's too slow
optimize then and only then
trim matrix
yes 🙂
leaden oracle
is there anyway to make the data asset to be configurable thru ini file?
zealous moth
for the UI widgets, what is the node to call to load a canvas into another canvas?
trim matrix
looks like ur save function is fucked up
vapid locust
@trim matrix .any suggestions on how to fix it. My game is crashing on Android. We tried to fix it on Samsung and huawei devices. On iPhone it works. But the texture is a little off.
trim matrix
well since i dont have any clue on how your saving thing looks no, and i dont deal with blueprints that often anyways
mild ore
could be permission problem i guess
mystic olive
Little confused on this I have a kick menu however I want the host to display above everyone else however when I plug in both the player info and player image for the seperate info block none of the info displays
I figure it would be simple to just pull the info from my playerinfo file but idk why it just refuses to display the hosts info
ornate pecan
hi support team, I want calutator angle between two vector in 3D space, please help me!, I use blueprint for unreal
trim matrix
I have a question. Right now to achieve a enemy jumpscare, im grabbing the players location, finding the lookat rotation from that and the enemy location and setting the world rotation of the fps camera. That is not giving off the desired effect, which is to make the player look at the enemy from the center of the screen. Is there another way to do this?
jolly pumice
Hey guys, according to yesterday conversation, i'm giving you some insight about my game 😄
Main game screen
Inventory screen
Item DT
I make it smaller, estamined ~5k of positions
@narrow kelp @fathom portal that's something 🚩
sick sapphire
how do I set the motion blur of my FirstPersonCamera by blueprint?
jolly pumice
@sick sapphire Get global PostProcess, on templates its already on map. Then find motion blur panel and here you go 😉
You can just get ref to that in bp
sick sapphire
@jolly pumice that will affect every camera in the level?
jolly pumice
yeah, its global
I don't know, if there's a field, that works on only certain cameras
sick sapphire
i can't find it though, maybe I deleted that at some point
any way to get a reference directly to the camera instead?
this is as far as i got
@jolly pumice
jolly pumice
Work on those nodes 😉
You need to make ref, edit it, then save new settings
should go
find motion blur in post process, in details
then tick amount, does exactly what it says 😄
sick sapphire
@jolly pumice ok, thanks!
sonic kraken
Good morning guys, i have this custom function in my GameMode BP:
https://blueprintue.com/blueprint/728r59s8/
It counts if all enemies in level are death, if they are, player wins.
This even't is triggered from the CharacterBP, but it does not works all time, why?
jolly pumice
Firstly, check if all enemies are in array
sonic kraken
triggering this gameplay function from character bp crash the editor
after to close the editor, i can't open it without remove all changes in the bp(thanks git, you save me)
jolly pumice
Where are you storing array? In character bp?
bronze kraken
Hi guys, I am a beginner trying to learn how to animate a platform using a button. here is what I have:
when the player collides with the button, the "gate" open and allows the key to be pressed and animate the sequencer
sonic kraken
Where are you storing array? In character bp?
@jolly pumice i'm saving the actors
bronze kraken
This, however, does not work for some reason. Could someone help me with that?
jolly pumice
@bronze kraken Just make lerp to new position, if its one time thing 😉
bronze kraken
no, it's an animation loop
jolly pumice
okay
bronze kraken
but I could look up that method also
jolly pumice
so, it needs to start going back, when character is not on the spot?
atomic salmon
typical task for a timeline
bronze kraken
I could easily just play on start, but I want a trigger
it works just fine without a trigger
the problem is that the F key does not activate the blueprint, but the colliders work just fine
atomic salmon
@bronze kraken use Print String to understand where the problem is
bronze kraken
ok, how do i see the debugging text irt?
atomic salmon
You can also display the Blueprint while playing, in a separate window, and check whether the proper branches are activating or not
bronze kraken
yes, i did just that
atomic salmon
The debug text from Print String appears directly inside the viewport
and in the log it the respective option is checked
So you get no input event from the F key?
The actor that contains the input event should be receiving input from Player 0. There is a property in the Details panel.
atomic salmon
I think this part is fine. The problem may be that actors, outside of the possessed pawn, do not automatically receive input from the player unless they are told to do so.
Show the details panel from the actor which has the code you posted above.
atomic salmon
whatever is handling the input action needs to have input enabled
Now it is probably like this ^^^
Needs to be Player 0
bronze kraken
atomic salmon
This is your third person character
bronze kraken
yes
atomic salmon
Ok, one step back.
In Unreal Engine 4 typically only the possessed pawn (which is controlled by the player) receives the player input.
A character is derived from pawn, so it applies to it as well.
If you want another actor, which is not a possessed pawn, to also receive player input, you need to set it specifically.
sonic kraken
This is my game mode function,
atomic salmon
Otherwise normally other actors don't get player input.
sonic kraken
And here is how i'm triggering it since the character
atomic salmon
@bronze kraken
sonic kraken
the idea is when a character dies it will triggers the game mode to remove this actor from the enemy list
atomic salmon
So if you want your trigger box BP to also receive input for the F key, you need to enable it specifically.
bronze kraken
@atomic salmon so typically, you don't want to use the trigger's blueprint to recieve input, but rather, use the actor's blueprint instead to detect collision and initiate the input
but, like you said, it could be triggered specifically to do that
atomic salmon
@bronze kraken yes, that would be the right way to do it. Directly in the pawn/character or in a custom Player Controller.
That allows you to generalize to platforms, elevators, doors etc.
The pawn/character handles the F key (interact command) and sends it to whatever actor it is overlapping so it does what it needs to do.
bronze kraken
that makes sense. otherwize your input won't be centralized
atomic salmon
That is one reason. The other reason is that you can abstract the interaction with the different elements.
atomic salmon
Probably there isn't. This is part a programming concept and partially good interaction design.
desert tide
Hey all, I'm attempting to generate a grid of blocks and then change their height based on perlin noise in BP. Using the NoiseBPLibrary. I don't think that's the issue rn.
What I'm doing is two nested for loops, the inner one generating the Y axis, the outer generating the X axis. This successfully gives me a grid of 'blocks' . Now what I need to do is change each instances height based on the perlin nosie
bronze kraken
@atomic salmon thank you for explaining this in detail.
desert tide
I tried getting the instance count, then doing a for loop using that as my last index value, so that it loops through all the generated instances of my block. Then when I attempt to change all their heights, it works, but moves them all the same value. To give the illusion of terrain, I need them to be at different points of the 2D perlin generated
atomic salmon
@bronze kraken np. Regarding abstraction, you should eventually look into Interfaces, even though this is an advanced concept.
@desert tide you need a way to calculate the noise level for the specific instance at the specific location.
so you can set it at the proper height.
bronze kraken
@atomic salmon ill look it up rn
odd ember
I favor a lazy approach
google stuff when you need it. understanding class hierarchies comes before using interfaces imho
atomic salmon
@odd ember that's why I wrote eventually
bronze kraken
i'm aware of class inheritance in programming, if that's what you mean
odd ember
cool, interfaces are just a degree above that basically
the same way you can do stuff in class hierarchies for a single family of classes you can do with multiple families of classes with interfaces
tame pecan
Is there anyway I can have functions that only can get called in editor?
And ignored in a build
Like if I have a debug function
sonic kraken
This is my game mode function,
@sonic kraken Sometimes it triggers, some times it does not trigger
i don't understand what happens here
bronze kraken
sorry to say this, but learning all this is time consuming, especially for a designer like me. Is there some easy tutorial series for blue print triggers for say, anterior designers?
desert tide
Any reason why this wouldn't work to set each instances height?? The index coming from the bottom is from the for loop of the total
amber grotto
how to play a wounded animation when health drops - 50% UE4
atomic salmon
@tame pecan in the source code this is done like this
#if !(UE_BUILD_SHIPPING || UE_BUILD_TEST) // Do not Print in Shipping or Test
PrintString(WorldContextObject, InText.ToString(), bPrintToScreen, bPrintToLog, TextColor, Duration);
#endif```
reef turtle
Hi,
Quick Question:
how to check if skeletal mesh component has mesh ? or its none (default) ?
in blueprints
odd ember
@bronze kraken interior or anterior? 😅
bronze kraken
interior*
atomic salmon
@bronze kraken https://www.youtube.com/watch?v=lPG2RNVqEI8
sonic kraken
Guys?
atomic salmon
Something like this ^^^
bronze kraken
@atomic salmon yes, that's exactly what I was looking for.
atomic salmon
@reef turtle use IsValid
@amber grotto typically you tell the AnimBP to do it by setting a variable/bool into it.
amber grotto
@atomic salmon how could i
reef turtle
@atomic salmon I've tried is valid, its not working..
I guess, isValid is checking if the Mesh component exist or not .. but not checking it value .. if it has mesh or none
atomic salmon
@sonic kraken apply some basic debugging. Use more Print String.
Do the events fire? Do you get past the Branches?
@reef turtle ok then try == nothing on the mesh value
maiden wadi
@reef turtle
sonic kraken
@sonic kraken apply some basic debugging. Use more Print String.
@atomic salmon i have many prints and it works some times, some times it does not work, and when i save and i get out from the editor
after to open it again it just crashes
atomic salmon
@sonic kraken are you using a compiled version of the editor or a launcher version?
Should not crash like that
dense flare
Is there any way to clean your project from old references?
atomic salmon
@dense flare not as a one-click function. There is an option to remove unused variables from a BP, but you have to go one by one. More in general, you can migrate your level to a brand new project and only the referenced actors/assets will be carried along.
odd ember
I wish BP had good refactoring tools
dense flare
thanks @atomic salmon
mellow marlin
Why is this not working (i got told its the make key but its the only thing i can do) (the thing i want to do is if game pad is connected change text to press A to restart and if not say press to start)
sonic kraken
Should not crash like that
@atomic salmon Launcher version.
odd ember
@mellow marlin that's never going to do whatever you want it to do
desert tide
Solved the issue, in the end it was the perlin noise generator I was using not working
odd ember
of the same type as key
mellow marlin
uuuh k
u do know i started yestday and still dont know alot so how would i create it (sorry just want to know cuz i dont see a create parameter
odd ember
google it
mellow marlin
also what parameter there are 1000 of them
odd ember
the same type as your key
odd ember
there's a secret method where you can drag the key pin to the get text 0 node and it'll automatically make a parameter of that type
mellow marlin
huh i dont under stand what u mean
odd ember
then google parameters
mellow marlin
I AM
all im seeing is materials parameters
could u jsut show me the look of the node
odd ember
I don't have UE4 where I am
mellow marlin
ooh well i cant find anythink on parameters for unreal engine so yah
odd ember
f
mellow marlin
all i find is materials also im a bad searching okay
odd ember
bookmark that site
you will use it for everything
search there will make you feel like a god
odd ember
not sure where you got the fact that you need a player controller
I said you should hook up a key parameter
mellow marlin
oooh
lol
done
that part
but i want to check if conntroller connect not the key of that
mellow marlin
odd ember
outside of the function
mellow marlin
yah
odd ember
in teh event graph
mellow marlin
k
zealous moth
is there a way to detect if the user quit the game by either end tasking or alt+f4?
mellow marlin
i cant find it
sonic kraken
well, it is working well in c++
odd ember
@zealous moth nope
mellow marlin
zealous moth
hm.. then my only workaround is the game instance with a boolean...
odd ember
@mellow marlin mmm no, that's not going to what you want it to do
mellow marlin
huh?
odd ember
or maybe it is
mellow marlin
u said to do it though
odd ember
test it
mellow marlin
i did didnt work
odd ember
well the AnyKey event
and also you have to hook it up to something
hook it up to a print text node
odd ember
amazing right
mellow marlin
huh i cant find it
odd ember
you're in a widget right
mellow marlin
yup
odd ember
that'll be why
mellow marlin
but i need it to work in the widget
mellow marlin
yup
100%
cuz i need the text in the widget to be change meaning i need the nodes to work in the events right
odd ember
that doesn't mean it has to come from the widget
mellow marlin
huh k
odd ember
where do you spawn the widget
mellow marlin
in the level blueprint
odd ember
ok
mellow marlin
wait do i cast to widget?
odd ember
nope
you're fine
go into your level blueprint
where you spawn the widget
save that spawned widget as a reference variable
mellow marlin
k
odd ember
"promote" to variable
mellow marlin
i got a var for the veiwport part
mellow marlin
wrong one
thorny cedar
is it ok to use event tick to face objects towards the player ? Can i use the relative location of the object to rotate it, or will it be overwitten by the FacePlayer function?
mellow marlin
also yes i named the level youwon
mellow marlin
its not new
mellow marlin
k
odd ember
drag out the new var 0 from left side of the screen into the event graph
mellow marlin
get or set?
odd ember
get
mellow marlin
k
odd ember
now you have a pin on this new var 0
mellow marlin
yup
odd ember
drag it out and type get text 0
odd ember
make your get text 0 non pure
mellow marlin
how
odd ember
inside your widget
inside your get text 0
click on either of the purple nodes
in the details there'll be a tickbox for "pure"
untick that
mellow marlin
k
odd ember
now back to the level blueprint
your green node is now blue
hook it up to the any key pressed
mellow marlin
i donnr aee details
odd ember
it's on the right side of the screen
mellow marlin
maiden wadi
Bottom left.
maiden wadi
That screen you just sent. It's in the bottom left. Says Pure, checkbox.
odd ember
so back to your level blueprint
green node is blue now
hook it up complete to anykey pressed
mellow marlin
huh what one
odd ember
get text 0
mellow marlin
oooh that yes
mellow marlin
i did
odd ember
hook that up to your get text 0
mellow marlin
k
odd ember
what's wrong
mellow marlin
oooh it is now
flint surge
Is there any way to get a reference to an inherited component in a blueprint that isn't "none"? I have a cpp class A that is blueprinted into B and C specializations, both have the component (inherited). Trying to treat those with a shared function that modifies the identical components fails silently and the output log warns about it being "none", and IsValid checks fail. If I first cast to B or C and then access the component, it works, but I don't see the point in all that extra work of duplicate functions.
mellow marlin
but i cant have it like that cuz i cant have it to be in anykey i need to do begin play and then with output has a var for the widget
the thing in green is what i want the output to be
odd ember
that's fine
you can still do it like that
any key registers when the user presses any key
anywhere
at any time
mellow marlin
huh?
odd ember
so it will literally change on the fly
mellow marlin
how
mellow marlin
dude how
maiden wadi
Is this still about the gamepad detection thing?
mellow marlin
yah
flint surge
var is storing a reference to the widget you create
mellow marlin
also anykey is not helpful for it
flint surge
what's he trying to do?
odd ember
when the level starts he wants the proper text displayed
depending on input device
tbh true
what you really need to do is
mellow marlin
i dont want it to change by button
mellow marlin
U DONT UNDER STAND
mellow marlin
i dont want it to work like that
odd ember
it will
mellow marlin
i want it to work without pressing anythink
mellow marlin
well key pressed and that is not what i want to do
odd ember
you have to detect a switch between input devices somehow
if a player never presses an input key how will you detect what they are using?
mellow marlin
(on this another engine i could)
odd ember
what you need to do is in your previous level, have an anykey event that does the LastKeyPressed
you couldn't
maiden wadi
The only way to detect if you need to display Press A, or Press Spacebar, is to detect if the user has used a gamepad axis recently and display the keyboard controls if they haven't.
odd ember
computers aren't magic
they respond to logic
saving the last input from previous levels
works
also I don't think there's a node for recent activity
mellow marlin
k
odd ember
it's a bit more involving but it's a robust solution
maiden wadi
Set a variable and update it regularly. Quite a few older games did it that way, and I don't think anything about that has changed. The only other option is to let the user specify their device in the options menu.
mellow marlin
cant find last key pressed
odd ember
@maiden wadi that's... what I am proposing?
flint surge
You could probably enumerate connected input devices somehow, but I don't know of a way to do that in blueprints
odd ember
@mellow marlin you have to make it yourself
ok so
in the level before your "you won" level
mellow marlin
k how
flint surge
If this is happening right after BeginPlay it seems a bit clunky, but if you're in a game state that you can't reach without pressing a key, it should be fine
odd ember
use the any key event
now do you have a custom game instance class?
if not, create one
odd ember
yes
mellow marlin
do u mean game mode if so then yes if not then idk
flint surge
As in, make a new blueprint and inherit from GameInstance
odd ember
yes
flint surge
A game instance is a singleton that gets instantiated when the program launches
odd ember
lol singleton
mellow marlin
idk what the heck u guys mean lol
mellow marlin
so i make a blueprint class?
odd ember
yes
mellow marlin
k
odd ember
pick game instance
mellow marlin
k
odd ember
as the base class
when you have it
open it
create a Key variable called LastKeyPressed
mellow marlin
k level1
mellow marlin
k
mellow marlin
k
odd ember
and use the Key of the AnyKey event to set LastKeyPressed
odd ember
from your custom game instance pin
it should be there
you also haven't cast it to whatever name you called your custom game instance
flint surge
then you need a "cast to GameInstance1" node
odd ember
^^^
odd ember
yes, you need to set instead of get
odd ember
now in your you won level
mellow marlin
wait what do i set it to
odd ember
anykey event's key
odd ember
yes bravo
mellow marlin
k
odd ember
get game instance -> cast to your game instance class
mellow marlin
k
odd ember
get last key pressed
and put that into get text 0
and do a print afterwards
in this way, the last input of the previous level will be the input you get for this level
this is a little shotgun surgery style
mellow marlin
uuh k
odd ember
but it doesn't matter for your particular project scope
odd ember
cmon you've done this before
mellow marlin
nothings happening
twin pollen
guys, how can I control what a certain camera renders? like a layer or a channel for example ?
mellow marlin
odd ember
@mellow marlin get, not set
mellow marlin
huh
odd ember
you need to get last key pressed
you're not setting it here
you're requesting info from it
mellow marlin
i dont under stand now
odd ember
just drag out get last key pressed from the cast node
odd ember
get
mellow marlin
k
odd ember
use that
so now when you load the you won level from the previous level
it will always be the last input device used
odd ember
use your new var 0 to hook into where it says "self"
mellow marlin
k
flint surge
@twin pollen Maybe a post processing material? Or maybe via a render target... Or maybe with custom trace channels and modifications to the camera cpp code... not sure
zealous moth
I'd think it's the collision by visible or the rendering as LurkNautili said
twin pollen
@flint surge The thing is the camera has no options like that. actors and components also don't have such options. The only thing I found online was that you need to extend engine code to add such feature, But that was back at 2014 so I guessed maybe that's legacy stuff and it's now available
mellow marlin
not working still
odd ember
@mellow marlin it's because you're not playing you won from the previous level
flint surge
Post processing is available in-editor via post processing volumes, to which you can add materials which you can build in editor as well
flint surge
Not sure how much you can do by messing with the target the camera is rendered to, but I think you can access that via the blueprint editor
mellow marlin
i went to level one then i went to the door thing then it went to you won and still nope
odd ember
well right now you just set it to print to text
flint surge
When it comes to custom channels, you can add those in editor, but to make the camera trace those for rendering instead of (presumably) the camera channel, you'd probably have to tweak the camera component's code or something
not sure, never looked at cameras in detail
flint surge
@twin pollen Basically if you're unlucky it might be one of those situations where the only solution is to trawl through thousands or tens of thousands of lines of engine code
I don't have expertise with that particular area of UE so it's possible an easier solution exists that I'm not aware of
twin pollen
@flint surge I don't really mind C++ and engine code, but i though there was an easier solution, because ... That's like basic stuff ...
flint surge
Yeah it seems like it would be
I haven't had to do anything like that before, apart from having to add a post processing volume and material for an outline effect
odd ember
@mellow marlin you aren't supposed to change the name, you're supposed to use the right variable
sigh
maybe blueprints were a mistake
mellow marlin
i updated the blue print for the var1
flint surge
well, they're handy for some things
odd ember
but at what cost
flint surge
but many things about UE seem like mistakes
like the unholy abomination that is slate c++ code
twin pollen
Tell me more about it 😭
And they changed a lot of C++ basic compiler as well, so you can't work with your background knowledge as well, you have to study their code and spend hours upon hours to figure out something trivial
flint surge
it's the byzantine and copious use of arcane macros and other preprocessor directives that messes with my flow the most
half the time VS / IntelliSense completely shits itself in terror even though everything compiles just fine
flint surge
I dunno, some of the builtins seem to border on pessimized
odd ember
just like black magic should be
flint surge
like idk wtf is going on with TOctree but all my problems went away when I replaced it with a kd-tree I sharted out in like a few hours
sure, I know they're not equivalent even on an abstract level but there was some bizarre shit going on that I couldn't explain away based on the differences in abstract data type
on a completely unrelated note, the VC++ compiler implementation of std::piecewise_linear_distribution is borked
makes me wonder why I even bother with anything other than linux
twin pollen
I'm happy to see I'm not alone in this. Because I started using Unreal 4 months ago, but I had working experience in C++. But for some reason, I feel like a total noob sometimes when diving into code engine.
flint surge
Yeah I've been at it with UE for about 2 years
the rate at which things get easier is painfully slow
twin pollen
Ya ... I can see this now ... Well, good luck to us. And stay safe ✌️
hallow osprey
Gonna preface this with that I'm basically a total novice at UE4 and game making now but would anyone be able to help with setting up anim graph blueprints for a bird? lol
I've been trying to figure it out through online tutorials for setting up movement but I've been running into some snags I can't seem to get an answer for. First major thing is I'm trying to get basic flight working which so far I've had two major problems for
1, it breaks the "flying" animation and has my bird walking on air instead
2, I can move forward/back/left/right but it acts like its walking on a flat plane the whole way so I can't move up or down without exiting flying entirely
Or if anyone knows some tutorials for flying creatures in general because I can only seem to find "make your humanoid fly like superman" type things
latent junco
Hey, got a question that I'm not finding any resources for, probably because I don't know what to look for 😄 Anyways, what I'm trying to do is slide an actor over the surface of another actor. Coming from a 3D application, this would be similar to something like a surface constraint. so something like an actor moving on the surface of a sphere, only with more complex objects. Does anybody know what I should be looking into to solve this problem?
flint surge
kind of depends on what the method of sliding is
latent junco
player input, so like WASD movement, if that's what you're refering to
flint surge
For example, if you were sliding the actor by cursor in your viewport, you could deproject that 2D viewport cursor position to get a point and direction in 3D, and then do a raycast, which will return the intersection point and normal for example
odd ember
trace to ground every frame find impact normal, translate to rotation
flint surge
You might be able to work with raycasts in a WASD type situation as well, yeah
odd ember
if you're looking for spherical gravity you'll need to make that yourself as well