Hi!
I am trying to do something simple. I want to change the value of a variable “MyNumber” located in my GameState (BP_GS) from the client.
The variable “MyNumber” is in the GameState an it is replicated:
The custom event “ChangeValue” is located in my GameState (BP_GS) and it has “Run on Server” property.
The value can be changed and printed using a widget attached to the main map:
The problem is that the variable is changed when I am on the server, but not in the client.
What is wrong?
Hi.
GameState doesn’t belong to the client.
you can’t ServerRPC from a proxy when it doesn’t owned by client connection.
before starting with networking with unreal , i totally recommend you, read this amazing doc first. it’s about how networking works in ue4. cheers!
link text
Thanks a lot for your answer. According to the Network Compendium:
“The GameState is replicated to all Clients. So everyone can access it”.
It is clear for me that clients can access GameState data, but, from your answer, I guess that they cannot modify it.
I would be very grateful if you, or somebody, can give me a clue on how to proceed.
Widgets can not send RPC requests. RPC to the server or from Server to the Client must go through a owning connection. IE. PlayerController, Controlled Pawn(Character) or something else OWNED by the player (via SetOwner). For the above to work, you should have a function on your PlayerController called ServerChangeGameStateValue which your widget should call, to change the variable on the GameState. Hope this helps.
Inside your widget:
http://interkaos.com/grabs/UE4Editor_noJgR1h2vm.png
Inside your controller:
http://interkaos.com/grabs/UE4Editor_SVGGbb8Dlh.png
Inside your GameState
Thanks for your advices.
Now, it works.
This is the new code for the widget (My PlayerController is BP_PC):
And the code of the player controller:
GameState is empty.
TY TY For making this post. This got me back on track and I now have a working GS Array. I guess I had to picture it as a big hierarchy. Peon cant talk to the king directly
