Some mods target the Mono version of the game, which is available by opting into the Steam beta branch "alternate"
Decompiled source of SantaHatItem v1.0.0
SantaHatItem.dll
Decompiled 3 weeks agousing System; using System.Diagnostics; using System.Reflection; using System.Resources; using System.Runtime.CompilerServices; using System.Runtime.Versioning; using System.Security; using System.Security.Permissions; using MelonLoader; using Microsoft.CodeAnalysis; using S1API.Entities; using S1API.Items; using S1API.Rendering; using S1API.Shops; using SantaHatItem; using UnityEngine; [assembly: CompilationRelaxations(8)] [assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)] [assembly: Debuggable(DebuggableAttribute.DebuggingModes.Default | DebuggableAttribute.DebuggingModes.DisableOptimizations | DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints | DebuggableAttribute.DebuggingModes.EnableEditAndContinue)] [assembly: MelonInfo(typeof(Core), "SantaHatItem", "1.0.0", "Bars", null)] [assembly: MelonGame("TVGS", "Schedule I")] [assembly: TargetFramework(".NETStandard,Version=v2.1", FrameworkDisplayName = ".NET Standard 2.1")] [assembly: AssemblyCompany("SantaHatItem")] [assembly: AssemblyConfiguration("CrossCompat")] [assembly: AssemblyFileVersion("1.0.0.0")] [assembly: AssemblyInformationalVersion("1.0.0+638c5bdd5d675e61fe05c7eccaefd57918a33a39")] [assembly: AssemblyProduct("SantaHatItem")] [assembly: AssemblyTitle("SantaHatItem")] [assembly: NeutralResourcesLanguage("en-US")] [assembly: SecurityPermission(SecurityAction.RequestMinimum, SkipVerification = true)] [assembly: AssemblyVersion("1.0.0.0")] [module: UnverifiableCode] [module: RefSafetyRules(11)] namespace Microsoft.CodeAnalysis { [CompilerGenerated] [Microsoft.CodeAnalysis.Embedded] internal sealed class EmbeddedAttribute : Attribute { } } namespace System.Runtime.CompilerServices { [CompilerGenerated] [Microsoft.CodeAnalysis.Embedded] [AttributeUsage(AttributeTargets.Class | AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Event | AttributeTargets.Parameter | AttributeTargets.ReturnValue | AttributeTargets.GenericParameter, AllowMultiple = false, Inherited = false)] internal sealed class NullableAttribute : Attribute { public readonly byte[] NullableFlags; public NullableAttribute(byte P_0) { NullableFlags = new byte[1] { P_0 }; } public NullableAttribute(byte[] P_0) { NullableFlags = P_0; } } [CompilerGenerated] [Microsoft.CodeAnalysis.Embedded] [AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Method | AttributeTargets.Interface | AttributeTargets.Delegate, AllowMultiple = false, Inherited = false)] internal sealed class NullableContextAttribute : Attribute { public readonly byte Flag; public NullableContextAttribute(byte P_0) { Flag = P_0; } } [CompilerGenerated] [Microsoft.CodeAnalysis.Embedded] [AttributeUsage(AttributeTargets.Module, AllowMultiple = false, Inherited = false)] internal sealed class RefSafetyRulesAttribute : Attribute { public readonly int Version; public RefSafetyRulesAttribute(int P_0) { Version = P_0; } } } namespace SantaHatItem { public class Core : MelonMod { private bool _itemsInitialized = false; private ClothingItemDefinition? _santaHat = null; public override void OnSceneWasLoaded(int buildIndex, string sceneName) { if (sceneName == "Main" && !_itemsInitialized) { InitializeCustomClothing(); _itemsInitialized = true; } } private void InitializeCustomClothing() { //IL_0072: Unknown result type (might be due to invalid IL or missing references) _santaHat = ClothingItemCreator.CloneFrom("cap").WithBasicInfo("santa_hat", "Santa Hat", "A festive hat for the holidays.").WithClothingAsset("Avatar/Accessories/Head/SantaHat/SantaHat") .WithColorable(false) .WithPricing(100f, 0.5f) .WithKeywords(new string[5] { "hat", "cap", "santa", "christmas", "holiday" }) .WithLabelColor(Color.red) .Build(); Player.LocalPlayerSpawned += OnLocalPlayerSpawned; int num = ShopManager.AddToCompatibleShops((ItemDefinition)(object)_santaHat, (float?)null); MelonLogger.Msg("Created clothing item: " + ((ItemDefinition)_santaHat).Name); MelonLogger.Msg($"Added to {num} shop(s)"); } private void OnLocalPlayerSpawned(Player player) { Player.LocalPlayerSpawned -= OnLocalPlayerSpawned; if ((ItemDefinition)(object)_santaHat == (ItemDefinition)null) { MelonLogger.Warning("Santa Hat item not initialized, cannot generate icon."); return; } IconFactory.GenerateAccessoryIconSprite("Avatar/Accessories/Head/SantaHat/SantaHat", (Action<Sprite>)delegate(Sprite generatedSprite) { if ((Object)(object)generatedSprite != (Object)null) { ((ItemDefinition)_santaHat).Icon = generatedSprite; MelonLogger.Msg("Generated custom icon for Santa Hat using player's appearance."); } else { MelonLogger.Warning("Failed to generate icon for Santa Hat."); } }, (Color?)null, 512); } } } namespace SantaHatItem.Utils { public static class Constants { public static class Defaults { } public static class Constraints { public const float MIN_CONSTRAINT = 0f; public const float MAX_CONSTRAINT = 100f; } public static class Game { public const string GAME_STUDIO = "TVGS"; public const string GAME_NAME = "Schedule I"; } public const string MOD_NAME = "SantaHatItem"; public const string MOD_VERSION = "1.0.0"; public const string MOD_AUTHOR = "Bars"; public const string MOD_DESCRIPTION = "Mod description..."; public const string PREFERENCES_CATEGORY = "SantaHatItem"; } }