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114 行
3.8 KiB

using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace UnityEditor.ShaderGraph
{
public class PropertyCollector
{
public struct TextureInfo
{
public string name;
public int textureId;
public bool modifiable;
}
private readonly List<IShaderProperty> m_Properties = new List<IShaderProperty>();
public void AddShaderProperty(IShaderProperty chunk)
{
if (m_Properties.Any(x => x.referenceName == chunk.referenceName))
return;
m_Properties.Add(chunk);
}
public string GetPropertiesBlock(int baseIndentLevel)
{
var sb = new StringBuilder();
foreach (var prop in m_Properties.Where(x => x.generatePropertyBlock))
{
for (var i = 0; i < baseIndentLevel; i++)
sb.Append("\t");
sb.AppendLine(prop.GetPropertyBlockString());
}
return sb.ToString();
}
public string GetPropertiesDeclaration(int baseIndentLevel)
{
var builder = new ShaderStringBuilder(baseIndentLevel);
GetPropertiesDeclaration(builder);
return builder.ToString();
}
public void GetPropertiesDeclaration(ShaderStringBuilder builder)
{
foreach (var prop in m_Properties)
{
builder.AppendLine(prop.GetPropertyDeclarationString());
}
}
public List<TextureInfo> GetConfiguredTexutres()
{
var result = new List<TextureInfo>();
foreach (var prop in m_Properties.OfType<TextureShaderProperty>())
{
if (prop.referenceName != null)
{
var textureInfo = new TextureInfo
{
name = prop.referenceName,
textureId = prop.value.texture != null ? prop.value.texture.GetInstanceID() : 0,
modifiable = prop.modifiable
};
result.Add(textureInfo);
}
}
foreach (var prop in m_Properties.OfType<Texture2DArrayShaderProperty>())
{
if (prop.referenceName != null)
{
var textureInfo = new TextureInfo
{
name = prop.referenceName,
textureId = prop.value.textureArray != null ? prop.value.textureArray.GetInstanceID() : 0,
modifiable = prop.modifiable
};
result.Add(textureInfo);
}
}
foreach (var prop in m_Properties.OfType<Texture3DShaderProperty>())
{
if (prop.referenceName != null)
{
var textureInfo = new TextureInfo
{
name = prop.referenceName,
textureId = prop.value.texture != null ? prop.value.texture.GetInstanceID() : 0,
modifiable = prop.modifiable
};
result.Add(textureInfo);
}
}
foreach (var prop in m_Properties.OfType<CubemapShaderProperty>())
{
if (prop.referenceName != null)
{
var textureInfo = new TextureInfo
{
name = prop.referenceName,
textureId = prop.value.cubemap != null ? prop.value.cubemap.GetInstanceID() : 0,
modifiable = prop.modifiable
};
result.Add(textureInfo);
}
}
return result;
}
}
}