368 lines
13 KiB
C#
368 lines
13 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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using GameCult.Aetheria.State.Unity;
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using Unity.Mathematics;
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public interface IRuntimeItemCatalogReader
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{
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ItemData Get(Guid guid);
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T Get<T>(Guid guid) where T : ItemData;
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}
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public sealed class AetheriaRuntimeItemCatalog : IRuntimeItemCatalogReader
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{
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private readonly Dictionary<Guid, ItemData> _items;
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private static readonly IReadOnlyDictionary<int, Type> BehaviorTypesByUnionKey = new Dictionary<int, Type>
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{
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{ 0, typeof(GuidedWeaponData) },
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{ 1, typeof(LauncherData) },
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{ 2, typeof(ReactorData) },
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{ 3, typeof(RadiatorData) },
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{ 4, typeof(StatModifierData) },
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{ 5, typeof(SensorData) },
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{ 6, typeof(ReflectorData) },
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{ 7, typeof(ShieldData) },
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{ 8, typeof(ThrusterData) },
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{ 9, typeof(WearData) },
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{ 10, typeof(VelocityConversionData) },
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{ 11, typeof(VelocityLimitData) },
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{ 12, typeof(AetherDriveData) },
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{ 15, typeof(CooldownData) },
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{ 16, typeof(HeatData) },
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{ 18, typeof(ItemUsageData) },
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{ 20, typeof(SwitchData) },
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{ 21, typeof(TriggerData) },
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{ 22, typeof(VisibilityData) },
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{ 23, typeof(ThermotoggleData) },
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{ 24, typeof(EnergyDrawData) },
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{ 26, typeof(MiningToolData) },
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{ 28, typeof(ResourceScannerData) },
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{ 31, typeof(CapacitorData) },
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{ 32, typeof(CockpitData) },
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{ 33, typeof(HeatStorageData) },
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{ 34, typeof(TurretControllerData) },
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{ 35, typeof(InstantWeaponData) },
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{ 36, typeof(ConstantWeaponData) },
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{ 37, typeof(ChargedWeaponData) },
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{ 38, typeof(AutoWeaponData) }
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};
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public AetheriaRuntimeItemCatalog(AetheriaRuntimeCatalogSnapshot catalog)
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{
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if (catalog == null) throw new ArgumentNullException(nameof(catalog));
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_items = catalog.Items
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.Select(ProjectItem)
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.Where(item => item != null)
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.ToDictionary(item => item.ID, item => item);
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}
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public ItemData Get(Guid guid)
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{
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ItemData item;
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_items.TryGetValue(guid, out item);
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return item;
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}
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public T Get<T>(Guid guid) where T : ItemData
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{
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return Get(guid) as T;
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}
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private static ItemData ProjectItem(AetheriaRuntimeCatalogItem item)
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{
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if (!Guid.TryParse(item.LegacyId, out var id))
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{
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return null;
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}
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var projected = CreateItemData(item);
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if (projected == null)
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{
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return null;
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}
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projected.ID = id;
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projected.Name = item.Name;
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projected.Description = item.Description;
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projected.Manufacturer = ParseGuid(item.ManufacturerLegacyId);
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projected.Mass = (float)item.Mass;
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projected.Shape = ProjectShape(item.ShapeWidth, item.ShapeHeight, item.ShapeCells);
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projected.Price = item.Price;
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if (projected is SimpleCommodityData simple)
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{
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simple.MaxStack = item.MaxStack;
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}
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if (projected is EquippableItemData equippable)
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{
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equippable.Durability = (float)item.Durability;
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equippable.Behaviors = item.BehaviorPayloads
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.Select(ProjectBehavior)
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.Where(behavior => behavior != null)
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.ToList();
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}
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if (projected is GearData gear)
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{
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gear.Hardpoint = ParseEnum(item.HardpointType, HardpointType.Tool);
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}
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if (projected is CargoBayData cargoBay)
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{
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cargoBay.InteriorShape = ProjectShape(item.InteriorShapeWidth, item.InteriorShapeHeight, item.InteriorShapeCells);
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}
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if (projected is WeaponItemData weapon)
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{
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weapon.WeaponRange = ParseEnum(item.WeaponRange, WeaponRange.Short);
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weapon.WeaponCaliber = ParseEnum(item.WeaponCaliber, WeaponCaliber.Small);
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weapon.WeaponType = ParseEnum(item.WeaponType, WeaponType.Laser);
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weapon.WeaponFireTypes = ParseFlags(item.WeaponFireTypes, WeaponFireType.None);
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weapon.WeaponModifiers = ParseFlags(item.WeaponModifiers, WeaponModifiers.None);
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}
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if (projected is HullData hull)
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{
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hull.HullType = ParseEnum(item.HullType, HullType.Ship);
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hull.Hardpoints = item.Hardpoints.Select(ProjectHardpoint).ToList();
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}
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return projected;
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}
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private static ItemData CreateItemData(AetheriaRuntimeCatalogItem item)
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{
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switch (item.Category)
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{
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case "SimpleCommodityData":
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return new SimpleCommodityData();
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case "CompoundCommodityData":
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return new CompoundCommodityData();
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case "ConsumableItemData":
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return new ConsumableItemData();
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case "GearData":
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return new GearData();
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case "CargoBayData":
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return new CargoBayData();
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case "DockingBayData":
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return new DockingBayData();
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case "WeaponItemData":
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return new WeaponItemData();
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case "HullData":
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return new HullData();
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default:
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return !string.IsNullOrWhiteSpace(item.HardpointType) ? new GearData() : null;
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}
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}
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private static Shape ProjectShape(int width, int height, IReadOnlyList<AetheriaRuntimeShapeCell> cells)
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{
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var shape = new Shape(Math.Max(width, 1), Math.Max(height, 1));
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foreach (var coordinate in shape.AllCoordinates)
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{
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shape[coordinate] = false;
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}
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foreach (var cell in cells)
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{
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shape[new int2(cell.X, cell.Y)] = true;
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}
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return shape;
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}
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private static HardpointData ProjectHardpoint(AetheriaRuntimeHardpoint hardpoint)
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{
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return new HardpointData
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{
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Type = ParseEnum(hardpoint.Type, HardpointType.Hull),
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Position = new int2(hardpoint.PositionX, hardpoint.PositionY),
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Shape = ProjectShape(hardpoint.ShapeWidth, hardpoint.ShapeHeight, hardpoint.ShapeCells),
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Transform = hardpoint.Transform,
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Rotation = ParseEnum(hardpoint.Rotation, ItemRotation.None),
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Armor = (float)hardpoint.Armor
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};
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}
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private static BehaviorData ProjectBehavior(AetheriaRuntimeBehaviorPayload payload)
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{
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if (!BehaviorTypesByUnionKey.TryGetValue(payload.UnionKey, out var behaviorType))
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{
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return null;
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}
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var behavior = Activator.CreateInstance(behaviorType) as BehaviorData;
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if (behavior == null)
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{
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return null;
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}
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behavior.Group = payload.Group;
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foreach (var field in GetKeyedFields(behaviorType))
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{
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var payloadField = payload.Fields.FirstOrDefault(candidate => candidate.Key == field.key);
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if (payloadField == null)
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{
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continue;
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}
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field.field.SetValue(behavior, ConvertValue(payloadField.Value, field.field.FieldType));
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}
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return behavior;
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}
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private static IEnumerable<(int key, FieldInfo field)> GetKeyedFields(Type type)
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{
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return type
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.GetFields(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic)
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.Select(field => (attribute: field.GetCustomAttribute<RuntimeProjectionKeyAttribute>(), field))
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.Where(entry => entry.attribute != null)
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.Select(entry => (entry.attribute.Key, entry.field));
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}
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private static object ConvertValue(AetheriaRuntimeBehaviorValue value, Type targetType)
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{
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if (targetType == typeof(string)) return value.StringValue ?? "";
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if (targetType == typeof(bool)) return value.BoolValue;
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if (targetType == typeof(float)) return (float)value.NumberValue;
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if (targetType == typeof(double)) return value.NumberValue;
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if (targetType == typeof(int)) return checked((int)value.NumberValue);
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if (targetType == typeof(uint)) return checked((uint)value.NumberValue);
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if (targetType == typeof(Guid)) return ParseGuid(value.LegacyIdValue);
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if (targetType == typeof(float2)) return ConvertFloat2(value);
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if (targetType == typeof(float3)) return ConvertFloat3(value);
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if (targetType == typeof(float4)) return ConvertFloat4(value);
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if (targetType == typeof(int2)) return ConvertInt2(value);
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if (targetType.IsEnum) return ParseEnumValue(value, targetType);
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if (targetType.IsArray)
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{
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return ConvertArray(value, targetType.GetElementType());
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}
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if (typeof(IList).IsAssignableFrom(targetType) && targetType.IsGenericType)
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{
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return ConvertList(value, targetType);
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}
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if (GetKeyedFields(targetType).Any())
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{
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return ConvertKeyedObject(value, targetType);
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}
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return targetType.IsValueType ? Activator.CreateInstance(targetType) : null;
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}
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private static object ConvertArray(AetheriaRuntimeBehaviorValue value, Type elementType)
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{
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var array = Array.CreateInstance(elementType, value.Children.Count);
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for (var index = 0; index < value.Children.Count; index++)
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{
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array.SetValue(ConvertValue(value.Children[index], elementType), index);
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}
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return array;
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}
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private static object ConvertList(AetheriaRuntimeBehaviorValue value, Type targetType)
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{
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var elementType = targetType.GetGenericArguments()[0];
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var list = Activator.CreateInstance(targetType) as IList;
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foreach (var child in value.Children)
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{
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list.Add(ConvertValue(child, elementType));
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}
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return list;
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}
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private static object ConvertKeyedObject(AetheriaRuntimeBehaviorValue value, Type targetType)
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{
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var instance = Activator.CreateInstance(targetType);
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var children = value.Children;
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foreach (var field in GetKeyedFields(targetType))
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{
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if (field.key >= 0 && field.key < children.Count)
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{
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field.field.SetValue(instance, ConvertValue(children[field.key], field.field.FieldType));
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}
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}
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return instance;
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}
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private static object ParseEnumValue(AetheriaRuntimeBehaviorValue value, Type targetType)
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{
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if (!string.IsNullOrWhiteSpace(value.StringValue))
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{
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return Enum.Parse(targetType, value.StringValue, true);
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}
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return Enum.ToObject(targetType, checked((int)value.NumberValue));
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}
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private static Guid ParseGuid(string value)
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{
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return Guid.TryParse(value, out var result) ? result : Guid.Empty;
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}
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private static T ParseEnum<T>(string value, T fallback) where T : struct
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{
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return Enum.TryParse(value, true, out T parsed) ? parsed : fallback;
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}
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private static T ParseFlags<T>(string value, T fallback) where T : struct
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{
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if (string.IsNullOrWhiteSpace(value))
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{
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return fallback;
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}
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return value
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.Split('|')
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.Select(part => part.Trim())
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.Where(part => part.Length > 0)
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.Aggregate(fallback, (current, part) =>
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Enum.TryParse(part, true, out T parsed)
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? (T)Enum.ToObject(typeof(T), Convert.ToInt32(current) | Convert.ToInt32(parsed))
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: current);
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}
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private static float2 ConvertFloat2(AetheriaRuntimeBehaviorValue value)
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{
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return new float2(
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value.Children.Count > 0 ? (float)value.Children[0].NumberValue : 0,
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value.Children.Count > 1 ? (float)value.Children[1].NumberValue : 0);
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}
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private static float3 ConvertFloat3(AetheriaRuntimeBehaviorValue value)
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{
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return new float3(
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value.Children.Count > 0 ? (float)value.Children[0].NumberValue : 0,
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value.Children.Count > 1 ? (float)value.Children[1].NumberValue : 0,
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value.Children.Count > 2 ? (float)value.Children[2].NumberValue : 0);
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}
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private static float4 ConvertFloat4(AetheriaRuntimeBehaviorValue value)
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{
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return new float4(
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value.Children.Count > 0 ? (float)value.Children[0].NumberValue : 0,
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value.Children.Count > 1 ? (float)value.Children[1].NumberValue : 0,
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value.Children.Count > 2 ? (float)value.Children[2].NumberValue : 0,
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value.Children.Count > 3 ? (float)value.Children[3].NumberValue : 0);
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}
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private static int2 ConvertInt2(AetheriaRuntimeBehaviorValue value)
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{
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return new int2(
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value.Children.Count > 0 ? checked((int)value.Children[0].NumberValue) : 0,
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value.Children.Count > 1 ? checked((int)value.Children[1].NumberValue) : 0);
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}
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}
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