Chessistics/chessistics-engine/Events/WorldEvents.cs

using Chessistics.Engine.Model;

namespace Chessistics.Engine.Events;

// Placement events (work in any phase)
public record PiecePlacedEvent(int PieceId, PieceKind Kind, Coords Start, Coords End) : IWorldEvent;
public record PieceRemovedEvent(int PieceId) : IWorldEvent;
public record PlacementRejectedEvent(PieceKind Kind, Coords Start, Coords End, string Reason) : IWorldEvent;
public record CommandRejectedEvent(string CommandType, string Reason) : IWorldEvent;

// Simulation lifecycle events
public record SimulationPausedEvent : IWorldEvent;
public record SimulationResumedEvent : IWorldEvent;

// Campaign events
public record CampaignLoadedEvent(string CampaignName, int MissionIndex) : IWorldEvent;
public record MissionCompleteEvent(int TurnNumber, int MissionIndex) : IWorldEvent;
public record MissionStartedEvent(int MissionIndex, int NewWidth, int NewHeight) : IWorldEvent;
public record TerrainExpandedEvent(int NewWidth, int NewHeight, IReadOnlyList<PatchCell> NewCells) : IWorldEvent;
public record PieceUnlockedEvent(PieceKind Kind, int Level) : IWorldEvent;

// Transformer events
public record CargoConvertedEvent(int TurnNumber, Coords TransformerCell, CargoType InputCargo, CargoType OutputCargo, int OutputAmount) : IWorldEvent;

// Turn events — all carry TurnNumber for animation grouping
public record TurnStartedEvent(int TurnNumber) : IWorldEvent;
public record PieceMovedEvent(int TurnNumber, int PieceId, Coords From, Coords To) : IWorldEvent;
public record PieceReturnedToStockEvent(int TurnNumber, int PieceId, PieceKind Kind, int? DestroyerPieceId, Coords Cell) : IWorldEvent;
public record CargoTransferredEvent(int TurnNumber, Coords From, Coords To, CargoType Type, int? GivingPieceId, int? ReceivingPieceId) : IWorldEvent;
public record CargoProducedEvent(int TurnNumber, Coords ProductionCell, CargoType Type) : IWorldEvent;
public record DemandProgressEvent(int TurnNumber, Coords DemandCell, string Name, int Current, int Required) : IWorldEvent;
public record TurnEndedEvent(int TurnNumber) : IWorldEvent;

// Drag & drop
public record PieceMovedByPlayerEvent(int PieceId, Coords OldStart, Coords OldEnd, Coords NewStart, Coords NewEnd) : IWorldEvent;

// QuickSave/QuickLoad — presentation must rebuild all visuals from Snapshot on Restored.
public record StateSavedEvent(int TurnNumber, int? SlotId) : IWorldEvent;
public record StateRestoredEvent(BoardSnapshot Snapshot, int? SlotId) : IWorldEvent;