## Summary
Folds **113** hand-written `[SerializableProperty]` members into plain `[SerializableField]` declarations using the v4 setter hooks — value coercion/vetoes via `allowFieldChange`, post-change side effects via `fieldChanged` (whose `oldValue` parameter covers the old-house/old-sender unsubscribe patterns). Net **-450 lines** of setter boilerplate.
```cs
// before
[SerializableProperty(1)]
[CommandProperty(AccessLevel.GameMaster)]
public int Charges
{
get => _charges;
set
{
_charges = Math.Clamp(value, 0, MaxCharges);
InvalidateProperties();
this.MarkDirty();
}
}
// after
[SerializableField(1, allowFieldChange: nameof(AllowChargesChange))]
[SerializedCommandProperty(AccessLevel.GameMaster)]
[InvalidateProperties]
private int _charges;
private bool AllowChargesChange(ref int value)
{
value = Math.Clamp(value, 0, MaxCharges);
return true;
}
```
## How sites were selected
A classifier parsed all 204 `[SerializableProperty]` sites and converted only those matching strict shapes: getter is exactly `get => _field;`, the assignment comes first (after at most an equality guard), and relocated side effects contain no `return`, no `value` mutation, and no field re-assignment. Everything else was left alone deliberately:
- **~34 custom getters** (fallback defaults like `_x == -1 ? Default : _x`, self-healing refs) — no setter hook can express these.
- **~35 pre-assignment logic** (durability Unscale/Scale sandwiches, old-state captures like PotionKeg's pile weight).
- **virtual/override members, name-mismatched backing fields (`m_`), exotic semantics** (guards' `Focus` does work on *equal* assignment; `ChampionSpawn.Active` never assigns its field).
Five sites the classifier refused were converted by hand where the hooks fit cleanly: `ReceiverCrystal.Sender`, `PlayerVendor.House`, `PlayerBarkeeper.House` (old-value unsubscribe via `oldValue`), `BaseSuit.AccessLevel` (its existing virtual `OnAccessLevelChanged` already had the exact callback shape), and `DyeTub.DyedHue` (a true veto: `AllowDyedHueChange(ref int value) => _redyable`).
## Verification
- Build: **0 errors, 0 warnings**.
- **Schema regeneration produces zero Migrations changes** — the conversion is wire- and schema-neutral by construction (same orders, types, and property names), and CI's schema diff check enforces it.
- **835 + 708 tests green.**
## Behavioral notes (all strict improvements, called out for review)
- Generated setters skip everything when the incoming value equals the current one; a few converted setters previously re-ran side effects on equal assignment (redundant `Update()`-style refreshes).
- Generated setters always `MarkDirty()` on change; several converted setters never did (e.g. `DyeTub.DyedHue`, `MorphItem` ranges) — their changes only persisted if something else dirtied the entity. Those latent persistence bugs are fixed by construction.
221 lines
6.1 KiB
C#
221 lines
6.1 KiB
C#
using ModernUO.Serialization;
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using Server.Targeting;
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namespace Server.Engines.Plants;
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[SerializationGenerator(3, false)]
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public partial class Seed : Item
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{
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[InvalidateProperties]
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[SerializableField(0)]
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[SerializedCommandProperty(AccessLevel.GameMaster)]
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private PlantType _plantType;
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[InvalidateProperties]
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[SerializableField(2)]
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[SerializedCommandProperty(AccessLevel.GameMaster)]
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private bool _showType;
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[Constructible]
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public Seed() : this(PlantTypeInfo.RandomFirstGeneration(), PlantHueInfo.RandomFirstGeneration())
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{
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}
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[Constructible]
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public Seed(PlantType plantType, PlantHue plantHue, bool showType = false) : base(0xDCF)
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{
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Stackable = Core.SA;
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_plantType = plantType;
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_plantHue = plantHue;
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_showType = showType;
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Hue = PlantHueInfo.GetInfo(plantHue).Hue;
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}
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public override double DefaultWeight => 1.0;
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[SerializableField(1, fieldChanged: nameof(OnPlantHueChanged))]
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[SerializedCommandProperty(AccessLevel.GameMaster)]
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[InvalidateProperties]
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private PlantHue _plantHue;
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private void OnPlantHueChanged(PlantHue oldValue, PlantHue newValue)
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{
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Hue = PlantHueInfo.GetInfo(newValue).Hue;
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}
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public override int LabelNumber => 1060810; // seed
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public override bool ForceShowProperties => ObjectPropertyList.Enabled;
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public static Seed RandomBonsaiSeed() => RandomBonsaiSeed(0.5);
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public static Seed RandomBonsaiSeed(double increaseRatio) => new(
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PlantTypeInfo.RandomBonsai(increaseRatio),
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PlantHue.Plain
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);
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public static Seed RandomPeculiarSeed(int group)
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{
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return group switch
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{
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1 => new Seed(PlantTypeInfo.RandomPeculiarGroupOne(), PlantHue.Plain),
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2 => new Seed(PlantTypeInfo.RandomPeculiarGroupTwo(), PlantHue.Plain),
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3 => new Seed(PlantTypeInfo.RandomPeculiarGroupThree(), PlantHue.Plain),
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_ => new Seed(PlantTypeInfo.RandomPeculiarGroupFour(), PlantHue.Plain)
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};
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}
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private int GetLabel(out string args)
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{
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var typeInfo = PlantTypeInfo.GetInfo(_plantType);
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var hueInfo = PlantHueInfo.GetInfo(_plantHue);
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int title;
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if (_showType || typeInfo.PlantCategory == PlantCategory.Default)
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{
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title = hueInfo.Name;
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}
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else
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{
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title = (int)typeInfo.PlantCategory;
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}
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if (Amount == 1)
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{
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if (_showType)
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{
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args = $"#{title}\t#{typeInfo.Name}";
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return typeInfo.GetSeedLabel(hueInfo);
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}
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args = $"#{title}";
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return hueInfo.IsBright() ? 1060839 : 1060838; // [bright] ~1_val~ seed
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}
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if (_showType)
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{
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args = $"{Amount}\t#{title}\t#{typeInfo.Name}";
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return typeInfo.GetSeedLabelPlural(hueInfo);
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}
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args = $"{Amount}\t#{title}";
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return hueInfo.IsBright() ? 1113491 : 1113490; // ~1_amount~ [bright] ~2_val~ seeds
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}
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public override void AddNameProperty(IPropertyList list)
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{
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var typeInfo = PlantTypeInfo.GetInfo(_plantType);
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var hueInfo = PlantHueInfo.GetInfo(_plantHue);
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int title;
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if (_showType || typeInfo.PlantCategory == PlantCategory.Default)
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{
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title = hueInfo.Name;
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}
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else
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{
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title = (int)typeInfo.PlantCategory;
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}
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if (Amount == 1)
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{
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if (_showType)
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{
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list.Add(typeInfo.GetSeedLabel(hueInfo), $"{title:#}\t{typeInfo.Name:#}");
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return;
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}
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list.Add(hueInfo.IsBright() ? 1060839 : 1060838, $"{title:#}");
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return;
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}
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if (_showType)
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{
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list.Add(typeInfo.GetSeedLabelPlural(hueInfo), $"{Amount}\t{title:#}\t{typeInfo.Name:#}");
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return;
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}
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list.Add(hueInfo.IsBright() ? 1113491 : 1113490, $"{Amount}\t{title:#}");
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}
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public override void OnSingleClick(Mobile from)
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{
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LabelTo(from, GetLabel(out var args), args);
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}
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public override void OnDoubleClick(Mobile from)
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{
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if (!IsChildOf(from.Backpack))
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{
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from.SendLocalizedMessage(1042664); // You must have the object in your backpack to use it.
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return;
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}
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from.Target = new InternalTarget(this);
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LabelTo(from, 1061916); // Choose a bowl of dirt to plant this seed in.
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}
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public override bool StackWith(Mobile from, Item dropped, bool playSound) =>
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dropped is Seed other && other.PlantType == _plantType && other.PlantHue == _plantHue &&
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other.ShowType == _showType && base.StackWith(from, other, playSound);
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public override void OnAfterDuped(Item newItem)
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{
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if (newItem is not Seed newSeed)
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{
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return;
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}
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newSeed.PlantHue = _plantHue;
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newSeed.Hue = Hue;
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}
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private void Deserialize(IGenericReader reader, int version)
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{
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_plantType = (PlantType)reader.ReadInt();
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_plantHue = (PlantHue)reader.ReadInt();
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_showType = reader.ReadBool();
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}
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private class InternalTarget : Target
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{
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private readonly Seed _seed;
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public InternalTarget(Seed seed) : base(-1, false, TargetFlags.None)
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{
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_seed = seed;
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CheckLOS = false;
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}
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protected override void OnTarget(Mobile from, object targeted)
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{
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if (_seed.Deleted)
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{
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return;
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}
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if (!_seed.IsChildOf(from.Backpack))
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{
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from.SendLocalizedMessage(1042664); // You must have the object in your backpack to use it.
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return;
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}
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if (targeted is PlantItem plant)
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{
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plant.PlantSeed(from, _seed);
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}
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else if (targeted is Item item)
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{
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item.LabelTo(from, 1061919); // You must use a seed on a bowl of dirt!
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}
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else
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{
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from.SendLocalizedMessage(1061919); // You must use a seed on a bowl of dirt!
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}
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}
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}
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}
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