using System.Collections.Generic;
using CoreGame.Render;
using Entitas;

public partial class Contexts
{
    public static CombatContext Combat => _sharedInstance.combat;
    // public static CombatEntity cameraEnt;
    public static bool IsValid => _sharedInstance != null;
    public static readonly List<CombatEntity> s_CacheEntities = new List<CombatEntity>(50);
    
    public const string FactionCommonBeQueryParam = "FactionCommonBeQueryParam";

    [Entitas.CodeGeneration.Attributes.PostConstructor]
    public void InitializeEntityIndices2() {
        combat.AddEntityIndex(new Entitas.EntityIndex<CombatEntity, QueryParam>(
            FactionCommonBeQueryParam,
            combat.GetGroup(CombatMatcher.Faction),
            (e, c) => ((FactionComponent)c).commonBeQueryParam,
            new QueryParamEqualityComparer()));
    }
    
}


public static class ContextsExt {
    public static System.Collections.Generic.HashSet<CombatEntity> GetEntitiesWithFactionCommonBeQueryParam(this CombatContext context, QueryParam commonBeQueryParam) {
        return ((Entitas.EntityIndex<CombatEntity, QueryParam>)context.GetEntityIndex(Contexts.FactionCommonBeQueryParam)).GetEntities(commonBeQueryParam);
    }
}