Cannot work with Godot 4.1.1

[Yourfog]

Describe the bug
There are few issues, Make it not possible to work on 4.1.1.
Most of the issues are parameter type error.(I tried to modified scripts to make it work. But I think it isn't a easy issue by just modifing few scripts to fix)

To Reproduce
Just add it to a new project of 4.1.1

Expected behavior
A clear and concise description of what you expected to happen.

Screenshots

Environment

• Windows 11: [e.g. iOS]
• Graphics card NV 2070s
• Godot version 4.1.1
• Plugin version godot4

[TokisanGames]

#20 (comment)

[TokisanGames]

The godot4 branch works fine with 4.3.

[xhocquet]

Confirmed working on 4.5 https://github.com/Arnklit/Waterways/pull/29/files