## 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.
170 lines
3.9 KiB
C#
170 lines
3.9 KiB
C#
using ModernUO.Serialization;
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namespace Server.Items;
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[SerializationGenerator(2, false)]
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public abstract partial class BaseIngot : Item, ICommodity
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{
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public BaseIngot(CraftResource resource, int amount = 1) : base(0x1BF2)
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{
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Stackable = true;
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Amount = amount;
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Hue = CraftResources.GetHue(resource);
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_resource = resource;
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}
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public override double DefaultWeight => 0.1;
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[SerializableField(0, fieldChanged: nameof(OnResourceChanged))]
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[SerializedCommandProperty(AccessLevel.GameMaster)]
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[InvalidateProperties]
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private CraftResource _resource;
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private void OnResourceChanged(CraftResource oldValue, CraftResource newValue)
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{
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Hue = CraftResources.GetHue(newValue);
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}
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public override int LabelNumber
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{
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get
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{
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if (_resource >= CraftResource.DullCopper && _resource <= CraftResource.Valorite)
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{
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return 1042684 + (_resource - CraftResource.DullCopper);
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}
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return 1042692;
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}
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}
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int ICommodity.DescriptionNumber => LabelNumber;
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bool ICommodity.IsDeedable => true;
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private void Deserialize(IGenericReader reader, int version)
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{
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_resource = (CraftResource)reader.ReadInt();
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}
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public override void AddNameProperty(IPropertyList list)
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{
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if (Amount > 1)
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{
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list.Add(1050039, $"{Amount}\t{1027154:#}"); // ~1_NUMBER~ ~2_ITEMNAME~
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}
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else
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{
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list.Add(1027154); // ingots
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}
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}
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public override void GetProperties(IPropertyList list)
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{
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base.GetProperties(list);
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if (!CraftResources.IsStandard(_resource))
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{
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var num = CraftResources.GetLocalizationNumber(_resource);
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if (num > 0)
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{
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list.Add(num);
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}
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else
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{
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list.Add(CraftResources.GetName(_resource));
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}
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}
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}
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}
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[SerializationGenerator(0, false)]
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[Flippable(0x1BF2, 0x1BEF)]
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public partial class IronIngot : BaseIngot
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{
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[Constructible]
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public IronIngot(int amount = 1) : base(CraftResource.Iron, amount)
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{
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}
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}
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[SerializationGenerator(0, false)]
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[Flippable(0x1BF2, 0x1BEF)]
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public partial class DullCopperIngot : BaseIngot
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{
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[Constructible]
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public DullCopperIngot(int amount = 1) : base(CraftResource.DullCopper, amount)
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{
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}
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}
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[SerializationGenerator(0, false)]
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[Flippable(0x1BF2, 0x1BEF)]
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public partial class ShadowIronIngot : BaseIngot
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{
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[Constructible]
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public ShadowIronIngot(int amount = 1) : base(CraftResource.ShadowIron, amount)
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{
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}
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}
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[SerializationGenerator(0, false)]
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[Flippable(0x1BF2, 0x1BEF)]
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public partial class CopperIngot : BaseIngot
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{
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[Constructible]
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public CopperIngot(int amount = 1) : base(CraftResource.Copper, amount)
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{
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}
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}
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[SerializationGenerator(0, false)]
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[Flippable(0x1BF2, 0x1BEF)]
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public partial class BronzeIngot : BaseIngot
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{
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[Constructible]
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public BronzeIngot(int amount = 1) : base(CraftResource.Bronze, amount)
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{
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}
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}
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[SerializationGenerator(0, false)]
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[Flippable(0x1BF2, 0x1BEF)]
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public partial class GoldIngot : BaseIngot
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{
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[Constructible]
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public GoldIngot(int amount = 1) : base(CraftResource.Gold, amount)
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{
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}
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}
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[SerializationGenerator(0, false)]
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[Flippable(0x1BF2, 0x1BEF)]
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public partial class AgapiteIngot : BaseIngot
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{
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[Constructible]
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public AgapiteIngot(int amount = 1) : base(CraftResource.Agapite, amount)
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{
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}
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}
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[SerializationGenerator(0, false)]
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[Flippable(0x1BF2, 0x1BEF)]
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public partial class VeriteIngot : BaseIngot
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{
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[Constructible]
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public VeriteIngot(int amount = 1) : base(CraftResource.Verite, amount)
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{
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}
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}
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[SerializationGenerator(0, false)]
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[Flippable(0x1BF2, 0x1BEF)]
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public partial class ValoriteIngot : BaseIngot
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{
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[Constructible]
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public ValoriteIngot(int amount = 1) : base(CraftResource.Valorite, amount)
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{
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}
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}
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