Poor performance in large parks

[mrmagic2020]

Describe the bug
In larger scenarios with lots of rides and peeps, the plugin causes performance issues. There is a significant decrease in FPS whenever the plugin updates the statistics (the default is every 10 seconds).

To Reproduce
Steps to reproduce the behavior:

1. Turn on show FPS in options.
2. Load a large park with the plugin loaded. For example, testleveldata1provided by OpenRCT2.
3. Observe that the FPS drops significantly every update_ratio seconds.

Expected behavior
Minimal impact on performance.

Desktop (please complete the following information):

• OS: macOS 14.4.1
• OpenRCT2 Version: v0.4.11

Possible Solutions

• Add options to manually update statistics.
• Maintain an offset on each set of calculations.
• Optimise time complexity.