Wrong order of oncreate events

[Banbury]

Describe the bug
The oncreate event of a copy is called before the oncreate event of the room. According to the documentation it should be the other way round

To Reproduce
Steps to reproduce the behavior:

1. Create a game with Catnip
2. Create a room
3. Add a 'Room start' event
4. Add a "Log to console" block with the parameter 'room'
5. Create a sprite template
6. Add a 'Creation' event
7. Add a "Log to console" block with the parameter 'copy'
8. Place a copy of the template in the room
9. Launch the game
10. The debug console shows 'copy' and then 'room'

Expected behavior
The output should be 'room' and then 'copy'.

System information report
Ct.js v5.2.1 😽 (packaged)

NW.JS v0.72.0
Chromium v109.0.5414.87
Node.js v19.3.0
Pixi.js v7.3.2

WebGL available
WebGL vendor Google Inc. (NVIDIA)
WebGL renderer ANGLE (NVIDIA, NVIDIA GeForce RTX 3060 Direct3D11 vs_5_0 ps_5_0, D3D11)
OS win32 x64 // Windows_NT 10.0.22621

[CosmoMyzrailGorynych]

Well, I'm not changing the execution order as it will break projects, so it is a documentation issue instead. Rooms' Creation event runs after copies are created, and it had been this way for a couple years now.

[Banbury]

I was trying to initialize some global variables, which the copies need. Is there a way to start a Catnip script before the room and copies are created?

[CosmoMyzrailGorynych]

If you need to do something at the start of the game, you can use custom scripts in the Project tab, or use Script asset type and mark them to run on game start.

[Banbury]

I'll try the latter one then. My goal is to write a simple game only with Catnip, to see how useful it is.

[achubutkin]

Hi @Banbury,

If your challenge is Catnip-only, try following these steps to set up a global variable:

1. Create a new asset of type Script.
2. Name it something like “On Start Game”
3. In the Block Library panel, under the Properties tab and Global Variables section, add your global variable.
4. In the bottom-left corner of the IDE, enable the “Execute at game start” option.
5. Done! You now have a pre-initialized global variable and an on-start game logic setup.

[achubutkin]

@Banbury
Also, if you want to wait for the room to be initialized in the Creation event of a copy (for example, to add something to the room), simply add a “Delay (in milliseconds)” block from the Utilities tab and set it to 1 ms. Inside the Then section of this block, you’ll have access to the initialized room.

How it works: This skips one frame in the game loop, and on the next frame, the room will be fully initialized. Don’t worry - this won’t block your logic and game.

[Banbury]

@achubutkin Thanks for the tip. But I have given up on ct.js half a year ago.
And all these workarounds just tell me, that this is a bug and the order of the events should be reversed.