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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Microsoft.Xna.Framework.Graphics
{
public class EffectPassCollection : IEnumerable<EffectPass>
{
// Modified to be a list instead of dictionary object because a dictionary does not guarantee
// the order is kept as it is a hash key.
internal List<EffectPass> _passes = new List<EffectPass>();
//Dictionary<string, EffectPass> _passes = new Dictionary<string, EffectPass>();
private EffectTechnique _effectTechnique;
public EffectPassCollection(EffectTechnique effectTechnique)
{
_effectTechnique = effectTechnique;
}
public EffectPass this[int index]
{
get { return _passes[index]; }
set {
_passes[index] = value;
}
}
public EffectPass this[string name]
{
get {
foreach (EffectPass pass in _passes) {
if (pass.Name == name)
return pass;
}
return null;
}
set {
var pass = this[name];
if (pass != null)
pass = value;
else
_passes.Add(value);
}
}
public int Count
{
get { return _passes.Count; }
}
public IEnumerator<EffectPass> GetEnumerator()
{
return _passes.GetEnumerator();
}
System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
{
return _passes.GetEnumerator();
}
}
}
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