Does the MouseButtonInput event to subscribe to only exist once mouse button events occur?

[FineRedMist]

I have attempted solutions to common problems

Yes

I have checked that my game version is supported

Yes

OS

Windows 10

Platform

Steam

Description

I'm trying to subscribe to the mouse button events. I initially tried the Ext.Events.EclLuaMouseButton and Ext.Events.MouseButtonEvent (I looked in the code and saw a ThrowEvent for "MouseButtonEvent" and Ext.Events.EclLuaKeyInput didn't work, but Ext.Events.KeyInput did).

Both Ext.Events.EclLuaMouseButton and Ext.Events.MouseButtonEvent generated the message:

Attempted to subscribe to nonexistent event: ...

Can those events only be subscribed to once an event of the given type has occurred? I had previously tried to bind to viewport resized to scale my UI, but also failed with the same reason.

Indications

The log is reporting it cannot bind to events, though the name I'm attempting to bind to may be incorrect. What was in ExtIdeHelpers.lua didn't work, the code reference only worked for KeyInput (which I think is because I pressed keys during startup to tab between windows), and I didn't find online documentation with working information.

Diagnostic Files

No response

Steps to Reproduce

local function OnMouseButton(e)
_D(e)
end

Ext.Events.EclLuaMouseButton:Subscribe(OnMouseButton)

Expected Behavior

The event is registered successfully, and the function is called when those events occur.

Actual Behavior

Attempting to register an event results in an error.

[FineRedMist]

Ahh, I managed to get the controller axis, controller button, and key input working, but the controller axis doesn't allow preventing the action. I suspect the mouse would be the same. I was hoping to reduce game interaction while the UI was up so you can't trigger unexpected events while the screen is partly covered. I'm not sure what a good solution to that would be.

The code is at the bottom of https://github.com/FineRedMist/bg3_mod_epic6/blob/main/DnD-Epic6/Mods/DnD-Epic6/ScriptExtender/Lua/Client/UI/E6_FeatSelectorUI.lua. Suggestions appreciated for making this better.