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Implements UrpUniUnlitMaterialExporter

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Masataka SUMI 2024-08-03 01:00:21 +09:00
parent eea8b6937e
commit 182fdbe8b0
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74
Assets/UniGLTF/Runtime/UniGLTF/IO/MaterialIO/URP/Export/Materials/UrpUniUnlitMaterialExporter.cs Normal file
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using System;
using UniGLTF.UniUnlit;
using UnityEngine;
namespace UniGLTF
{
public class UrpUniUnlitMaterialExporter
{
public Shader Shader { get; set; }
/// <summary>
/// "UniGLTF/UniUnlit" シェーダのマテリアルをエクスポートする。
///
/// プロパティに互換性がある他のシェーダを指定することもできる。
/// </summary>
public UrpUniUnlitMaterialExporter(Shader shader = null)
{
Shader = shader != null ? shader : Shader.Find("UniGLTF/UniUnlit");
}
public bool TryExportMaterial(Material src, ITextureExporter textureExporter, out glTFMaterial dst)
{
try
{
if (src == null) throw new ArgumentNullException(nameof(src));
if (src.shader != Shader) throw new ArgumentException(nameof(src));
if (textureExporter == null) throw new ArgumentNullException(nameof(textureExporter));
dst = glTF_KHR_materials_unlit.CreateDefault();
dst.name = src.name;
var context = new UniUnlitContext(src);
dst.alphaMode = context.RenderMode switch
{
UniUnlitRenderMode.Opaque => glTFBlendMode.OPAQUE.ToString(),
UniUnlitRenderMode.Cutout => glTFBlendMode.MASK.ToString(),
UniUnlitRenderMode.Transparent => glTFBlendMode.BLEND.ToString(),
_ => throw new ArgumentOutOfRangeException(),
};
dst.alphaCutoff = context.Cutoff;
dst.doubleSided = context.CullMode != UniUnlitCullMode.Back;
dst.pbrMetallicRoughness.baseColorFactor = context.MainColorSrgb
.ToFloat4(ColorSpace.sRGB, ColorSpace.Linear);
if (context.MainTexture != null)
{
var needsAlpha = context.RenderMode != UniUnlitRenderMode.Opaque;
var index = textureExporter.RegisterExportingAsSRgb(context.MainTexture, needsAlpha);
if (index >= 0)
{
dst.pbrMetallicRoughness.baseColorTexture = new glTFMaterialBaseColorTextureInfo
{
index = index,
texCoord = 0,
};
GltfMaterialExportUtils.ExportTextureTransform(
context.MainTextureOffset,
context.MainTextureScale,
dst.pbrMetallicRoughness.baseColorTexture);
}
}
return true;
}
catch (Exception e)
{
Debug.LogException(e);
dst = default;
return false;
}
}
}
}

3
Assets/UniGLTF/Runtime/UniGLTF/IO/MaterialIO/URP/Export/Materials/UrpUniUnlitMaterialExporter.cs.meta Normal file
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fileFormatVersion: 2
guid: 5b17f3928c684fc1a9beda10797b0e76
timeCreated: 1722613258

80
Assets/UniGLTF/UniUnlit/Runtime/UniUnlitContext.cs Normal file
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using UnityEngine;
namespace UniGLTF.UniUnlit
{
public class UniUnlitContext
{
public Material Material { get; }
public bool UnsafeEditMode { get; set; } = false;
public UniUnlitContext(Material material)
{
Material = material;
}
public UniUnlitRenderMode RenderMode
{
get => UniUnlitUtil.GetRenderMode(Material);
set
{
UniUnlitUtil.SetRenderMode(Material, value);
if (!UnsafeEditMode) UniUnlitUtil.ValidateProperties(Material, isRenderModeChangedByUser: true);
}
}
public UniUnlitCullMode CullMode
{
get => UniUnlitUtil.GetCullMode(Material);
set
{
UniUnlitUtil.SetCullMode(Material, value);
if (!UnsafeEditMode) UniUnlitUtil.ValidateProperties(Material);
}
}
public UniUnlitVertexColorBlendOp VColBlendMode
{
get => UniUnlitUtil.GetVColBlendMode(Material);
set
{
UniUnlitUtil.SetVColBlendMode(Material, value);
if (!UnsafeEditMode) UniUnlitUtil.ValidateProperties(Material);
}
}
public Color MainColorSrgb
{
get => Material.GetColor(UniUnlitUtil.PropNameColor);
set => Material.SetColor(UniUnlitUtil.PropNameColor, value);
}
public Texture MainTexture
{
get => Material.GetTexture(UniUnlitUtil.PropNameMainTex);
set => Material.SetTexture(UniUnlitUtil.PropNameMainTex, value);
}
public Vector2 MainTextureOffset
{
get => Material.GetTextureOffset(UniUnlitUtil.PropNameMainTex);
set => Material.SetTextureOffset(UniUnlitUtil.PropNameMainTex, value);
}
public Vector2 MainTextureScale
{
get => Material.GetTextureScale(UniUnlitUtil.PropNameMainTex);
set => Material.SetTextureScale(UniUnlitUtil.PropNameMainTex, value);
}
public float Cutoff
{
get => Material.GetFloat(UniUnlitUtil.PropNameCutoff);
set => Material.SetFloat(UniUnlitUtil.PropNameCutoff, value);
}
public void Validate()
{
UniUnlitUtil.ValidateProperties(Material, isRenderModeChangedByUser: true);
}
}
}

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Assets/UniGLTF/UniUnlit/Runtime/UniUnlitContext.cs.meta Normal file
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fileFormatVersion: 2
guid: 57963fbf465047bf83ed829f8a0022d3
timeCreated: 1722613449