mathe/Library/PackageCache/com.unity.shadergraph@14.0.8/Editor/Generation/Collections/DefineCollection.cs

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2024-09-20 20:30:10 +02:00
using System.Collections;
using System.Collections.Generic;
namespace UnityEditor.ShaderGraph
{
[GenerationAPI]
internal class DefineCollection : IEnumerable<DefineCollection.Item>
{
public class Item : IConditional
{
public KeywordDescriptor descriptor { get; }
public FieldCondition[] fieldConditions { get; }
public string value => descriptor.ToDefineString(index);
// KeywordType.Boolean, index 0: disable, 1: enable
// KeywordType.Enum, index into enum entries
public int index { get; }
public Item(KeywordDescriptor descriptor, int index, FieldCondition[] fieldConditions)
{
this.descriptor = descriptor;
this.fieldConditions = fieldConditions;
this.index = index;
}
}
readonly List<Item> m_Items;
public DefineCollection()
{
m_Items = new List<Item>();
}
public DefineCollection(DefineCollection defines)
{
m_Items = new List<Item>();
foreach (DefineCollection.Item item in defines)
{
m_Items.Add(item);
}
}
public DefineCollection Add(DefineCollection defines)
{
foreach (DefineCollection.Item item in defines)
{
m_Items.Add(item);
}
return this;
}
public DefineCollection Add(KeywordDescriptor descriptor, int index)
{
m_Items.Add(new Item(descriptor, index, null));
return this;
}
public DefineCollection Add(KeywordDescriptor descriptor, int index, FieldCondition fieldCondition)
{
m_Items.Add(new Item(descriptor, index, new FieldCondition[] { fieldCondition }));
return this;
}
public DefineCollection Add(KeywordDescriptor descriptor, int index, FieldCondition[] fieldConditions)
{
m_Items.Add(new Item(descriptor, index, fieldConditions));
return this;
}
public IEnumerator<Item> GetEnumerator()
{
return m_Items.GetEnumerator();
}
IEnumerator IEnumerable.GetEnumerator()
{
return GetEnumerator();
}
}
}