Source code for the Rotors FlipXZ mod.

FlipXZ.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using ICities;
using UnityEngine;

namespace FlipXZ
{
    public class FlipXZMod : LoadingExtensionBase, IUserMod
    {
        public string Name => "Rotors FlipXZ";
        public string Description => "Loads FlipXZ parameter for rotors shader vehicle sub meshes.";

        public override void OnLevelLoaded(LoadMode mode)
        {
            base.OnLevelLoaded(mode);
            ApplyParams();
        }

        public override void OnLevelUnloading()
        {
            base.OnLevelUnloading();
        }

        private void ApplyParams()
        {
            foreach (VehicleInfoSub prefab in Resources.FindObjectsOfTypeAll<VehicleInfoSub>())
            {
                var shader = Shader.Find("Custom/Vehicles/Vehicle/Rotors");
                if (prefab.m_UIPriority == 120122 && prefab.m_material.shader == shader) prefab.m_material.SetFloat("_FlipTyreRotationXZ", 1.0f);
            }
        }
    }
}