Streamingle_URP/Assets/External/VRM/Runtime/IO/VRMMToonMaterialImporter.cs

104 lines
3.5 KiB
C#

using System;
using System.Collections.Generic;
using UniGLTF;
using UnityEngine;
using VRMShaders;
namespace VRM
{
public static class VRMMToonMaterialImporter
{
public static bool TryCreateParam(GltfData data, glTF_VRM_extensions vrm, int materialIdx,
out MaterialDescriptor matDesc)
{
if (vrm?.materialProperties == null || vrm.materialProperties.Count == 0)
{
matDesc = default;
return false;
}
if (materialIdx < 0 || materialIdx >= vrm.materialProperties.Count)
{
matDesc = default;
return false;
}
var vrmMaterial = vrm.materialProperties[materialIdx];
if (vrmMaterial.shader == glTF_VRM_Material.VRM_USE_GLTFSHADER)
{
// fallback to gltf
matDesc = default;
return false;
}
//
// restore VRM material
//
// use material.name, because material name may renamed in GltfParser.
var name = data.GLTF.materials[materialIdx].name;
var textureSlots = new Dictionary<string, TextureDescriptor>();
var floatValues = new Dictionary<string, float>();
var colors = new Dictionary<string, Color>();
var vectors = new Dictionary<string, Vector4>();
var actions = new List<Action<Material>>();
matDesc = new MaterialDescriptor(
name,
vrmMaterial.shader,
vrmMaterial.renderQueue,
textureSlots,
floatValues,
colors,
vectors,
actions);
foreach (var kv in vrmMaterial.floatProperties)
{
floatValues.Add(kv.Key, kv.Value);
}
foreach (var kv in vrmMaterial.vectorProperties)
{
// vector4 exclude TextureOffsetScale
if (vrmMaterial.textureProperties.ContainsKey(kv.Key)) continue;
var v = new Vector4(kv.Value[0], kv.Value[1], kv.Value[2], kv.Value[3]);
vectors.Add(kv.Key, v);
}
foreach (var kv in vrmMaterial.textureProperties)
{
if (VRMMToonTextureImporter.TryGetTextureFromMaterialProperty(data, vrmMaterial, kv.Key,
out var texture))
{
textureSlots.Add(kv.Key, texture.Item2);
}
}
foreach (var kv in vrmMaterial.keywordMap)
{
if (kv.Value)
{
actions.Add(material => material.EnableKeyword(kv.Key));
}
else
{
actions.Add(material => material.DisableKeyword(kv.Key));
}
}
foreach (var kv in vrmMaterial.tagMap)
{
actions.Add(material => material.SetOverrideTag(kv.Key, kv.Value));
}
if (vrmMaterial.shader == MToon.Utils.ShaderName)
{
// TODO: Material拡張にMToonの項目が追加されたら旧バージョンのshaderPropから変換をかける
// インポート時にUniVRMに含まれるMToonのバージョンに上書きする
floatValues[MToon.Utils.PropVersion] = MToon.Utils.VersionNumber;
}
return true;
}
}
}