58 lines
1.8 KiB
C#
58 lines
1.8 KiB
C#
using OECS;
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namespace Game.CardWars;
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/// <summary>
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/// Manages the play phase: players take turns. If a PendingChoice exists,
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/// blocks advancement until the player resolves it.
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/// </summary>
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public class PlayPhaseSystem : ISystem
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{
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public void Run(World world)
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{
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ref var state = ref world.GetSingleton<GameState>();
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if (state.Phase != GamePhase.PlayPhase) return;
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// Block if a pending choice exists.
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if (PendingChoice.Any(world))
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return;
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// If the current player has skipped, move to the next player.
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if (state.PlayPhaseEnded)
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{
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state.PlayPhaseEnded = false;
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AdvanceTurn(world, ref state);
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return;
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}
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}
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private static void AdvanceTurn(World world, ref GameState state)
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{
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int next = (state.CurrentPlayerIndex + 1) % state.PlayerCount;
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// Duelist: if the next player is the one who played duelist, end the phase.
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if (world.HasSingleton<PendingDuelist>())
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{
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var duelist = world.ReadSingleton<PendingDuelist>();
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if (next == duelist.PlayerIndex)
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{
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world.RemoveSingleton<PendingDuelist>();
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state.Phase = GamePhase.FlipPhase;
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state.CurrentPlayerIndex = state.StartingPlayerIndex;
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world.MarkModified<GameState>(World.SingletonEntity);
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return;
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}
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}
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state.CurrentPlayerIndex = next;
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// If we've come back to the starting player, everyone has skipped.
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if (state.CurrentPlayerIndex == state.StartingPlayerIndex)
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{
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state.Phase = GamePhase.FlipPhase;
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world.RemoveSingleton<PendingDuelist>(); // Clean up in case duelist was never triggered.
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}
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world.MarkModified<GameState>(World.SingletonEntity);
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}
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} |