Files
crtr/Assets/Cryville/Crtr/EffectGroup.cs

63 lines
1.7 KiB
C#

using Cryville.Common.Buffers;
using System.Collections.Generic;
namespace Cryville.Crtr {
public class EffectGroup {
public EffectDefinition Definition { get; private set; }
readonly EffectPool _pool;
class EffectPool : ObjectPool<EffectInstance> {
readonly List<EffectInstance> _instances
= new List<EffectInstance>();
readonly EffectGroup _group;
public EffectPool(EffectGroup group) : base(256) {
_group = group;
}
protected override EffectInstance Construct() {
var result = new EffectInstance(_group.Definition);
_instances.Add(result);
return result;
}
public void DisposeAll() {
foreach (var i in _instances) i.Dispose();
}
}
readonly Dictionary<float, EffectInstance> _instances
= new Dictionary<float, EffectInstance>();
readonly List<EffectInstance> _endQueue
= new List<EffectInstance>();
public EffectGroup(EffectDefinition def) {
Definition = def;
_pool = new EffectPool(this);
}
double _time;
public void Tick(double time) {
_time = time;
while (_endQueue.Count > 0) {
var item = _endQueue[0];
if (item.EndTime > _time) break;
item.OnDone();
_instances.Remove(item.Index);
_pool.Return(item);
_endQueue.RemoveAt(0);
}
}
public void Emit(float index) {
EffectInstance instance;
if (_instances.TryGetValue(index, out instance)) {
var i = _endQueue.BinarySearch(instance);
_endQueue.RemoveAt(i);
}
else {
_instances.Add(index, instance = _pool.Rent());
}
instance.Index = index;
instance.OnEmit(_time);
var i2 = ~_endQueue.BinarySearch(instance);
_endQueue.Insert(i2, instance);
}
public void Dispose() {
_pool.DisposeAll();
}
}
}