Cities: Skylines Modding Tutorial 1: Complete Source Code

README.md

See https://community.simtropolis.com/forums/topic/73475-modding-tutorial-1-prop-remover/

CityBeautifierMod.cs

using ICities;

namespace CityBeautifier
{
    public class CityBeautifierMod : IUserMod
    {
        public string Name => "City Beautifier";
        public string Description => "Removes some ugly props";
    }

    public class CityBeautifierLoading : ILoadingExtension
    {
        // called when level loading begins
        public void OnCreated(ILoading loading)
        {
        }

        // called when level is loaded
        public void OnLevelLoaded(LoadMode mode)
        {
            for (uint index = 0; index < PrefabCollection<BuildingInfo>.LoadedCount(); index++)
            {
                // get the building prefab with the given index from the collection
                BuildingInfo prefab = PrefabCollection<BuildingInfo>.GetLoaded(index);

                // skip prefabs without props
                if (prefab == null || prefab.m_props == null) continue;

                for (int propIndex = 0; propIndex < prefab.m_props.Length; propIndex++)
                {
                    // get the prop item
                    BuildingInfo.Prop propItem = prefab.m_props[propIndex];

                    // skip trees/undefined props etc.
                    if (propItem.m_prop == null) continue;

                    string propName = propItem.m_prop.name;

                    // check if the prop name equals one of the banned props
                    if (propName == "Billboard_big_variation"
                        || propName == "Billboard_big_variation_01"
                        || propName == "Billboard_big_variation_02"
                        || propName == "Billboard_big_variation_04"
                        || propName == "neon-yakisoba-noodles"
                        || propName == "neon-burned-bean-coffee"
                        || propName == "neon-morellos")
                    {
                        // set the probability to zero to hide the props
                        propItem.m_probability = 0;
                    }
                }
            }
        }

        // called when unloading begins
        public void OnLevelUnloading()
        {
        }

        // called when unloading finished
        public void OnReleased()
        {
        }
    }
}