77 lines
2.1 KiB
C#
77 lines
2.1 KiB
C#
using System;
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using System.Collections.Generic;
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namespace Encompass
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{
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internal abstract class TypedComponentStore
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{
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public abstract int Count { get; }
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public abstract IEnumerable<(Entity, Type, IComponent)> AllInterfaceTyped();
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public abstract bool Has(Entity entity);
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public abstract void Remove(Entity entity);
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public abstract void Clear();
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}
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internal class TypedComponentStore<TComponent> : TypedComponentStore where TComponent : struct, IComponent
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{
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private readonly Dictionary<Entity, TComponent> store = new Dictionary<Entity, TComponent>(128);
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private readonly Dictionary<Entity, int> priorities = new Dictionary<Entity, int>(128);
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public override int Count { get => store.Count; }
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public TComponent Get(Entity entity)
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{
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return store[entity];
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}
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public void Set(Entity entity, TComponent component)
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{
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store[entity] = component;
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}
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public bool Set(Entity entity, TComponent component, int priority)
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{
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if (!priorities.ContainsKey(entity) || priority < priorities[entity]) {
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store[entity] = component;
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priorities[entity] = priority;
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return true;
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}
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return false;
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}
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public override bool Has(Entity entity)
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{
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return store.ContainsKey(entity);
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}
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public override void Clear()
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{
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store.Clear();
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priorities.Clear();
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}
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public IEnumerable<(TComponent, Entity)> All()
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{
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foreach (var kvp in store)
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{
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yield return (kvp.Value, kvp.Key);
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}
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}
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public override IEnumerable<(Entity, Type, IComponent)> AllInterfaceTyped()
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{
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foreach (var kvp in store)
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{
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yield return (kvp.Key, typeof(TComponent), (IComponent)kvp.Value);
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}
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}
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public override void Remove(Entity entity)
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{
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store.Remove(entity);
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priorities.Remove(entity);
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}
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}
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}
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