private void CreateMaterialAssets(VrmLib.Model model, ModelAsset modelAsset)
{
foreach (var src in model.Materials)
{
// TODO: material has VertexColor
var material = RuntimeUnityMaterialBuilder.CreateMaterialAsset(src, hasVertexColor: false, Textures);
material.name = src.Name;
Materials.Add(src, material);
modelAsset.Materials.Add(material);
}
}
static private void CreateMaterialAsset(VrmLib.Model model, ModelAsset modelAsset, IExternalUnityObject scriptedImporter)
{
var externalObjects = scriptedImporter.GetExternalUnityObjects <Material>();
foreach (var src in model.Materials)
{
if (externalObjects.ContainsKey(src.Name))
{
modelAsset.Map.Materials.Add(src, externalObjects[src.Name]);
modelAsset.Materials.Add(externalObjects[src.Name]);
}
else
{
// TODO: material has VertexColor
var material = RuntimeUnityMaterialBuilder.CreateMaterialAsset(src, hasVertexColor: false, modelAsset.Map.Textures);
material.name = src.Name;
modelAsset.Map.Materials.Add(src, material);
modelAsset.Materials.Add(material);
}
}
}
/// <summary>
/// モデル(Transform + Renderer)を構築する。
/// <summary>
public static ModelAsset ToUnityAsset(VrmLib.Model model, bool showMesh = true)
{
var modelAsset = new ModelAsset();
// texture
for (int i = 0; i < model.Textures.Count; ++i)
{
var src = model.Textures[i];
var name = !string.IsNullOrEmpty(src.Name)
? src.Name
: string.Format("{0}_img{1}", model.Root.Name, i);
if (src is VrmLib.ImageTexture imageTexture)
{
var texture = CreateTexture(imageTexture);
texture.name = name;
modelAsset.Map.Textures.Add(src, texture);
modelAsset.Textures.Add(texture);
}
else
{
Debug.LogWarning($"{name} not ImageTexture");
}
}
// material
foreach (var src in model.Materials)
{
// TODO: material has VertexColor
var material = RuntimeUnityMaterialBuilder.CreateMaterialAsset(src, hasVertexColor: false, modelAsset.Map.Textures);
material.name = src.Name;
modelAsset.Map.Materials.Add(src, material);
modelAsset.Materials.Add(material);
}
// mesh
for (int i = 0; i < model.MeshGroups.Count; ++i)
{
var src = model.MeshGroups[i];
if (src.Meshes.Count == 1)
{
// submesh 方式
var mesh = new UnityEngine.Mesh();
mesh.name = src.Name;
mesh.LoadMesh(src.Meshes[0], src.Skin);
modelAsset.Map.Meshes.Add(src, mesh);
modelAsset.Meshes.Add(mesh);
}
else
{
// 頂点バッファの連結が必用
throw new NotImplementedException();
}
}
// node: recursive
CreateNodes(model.Root, null, modelAsset.Map.Nodes);
modelAsset.Root = modelAsset.Map.Nodes[model.Root];
// renderer
var map = modelAsset.Map;
foreach (var(node, go) in map.Nodes)
{
if (node.MeshGroup is null)
{
continue;
}
if (node.MeshGroup.Meshes.Count > 1)
{
throw new NotImplementedException("invalid isolated vertexbuffer");
}
var renderer = CreateRenderer(node, go, map);
if (!showMesh)
{
renderer.enabled = false;
}
map.Renderers.Add(node, renderer);
modelAsset.Renderers.Add(renderer);
}
var humanoid = modelAsset.Root.AddComponent <MeshUtility.Humanoid>();
humanoid.AssignBones(map.Nodes.Select(x => (x.Key.HumanoidBone.GetValueOrDefault().ToUnity(), x.Value.transform)));
modelAsset.HumanoidAvatar = humanoid.CreateAvatar();
modelAsset.HumanoidAvatar.name = "VRM";
var animator = modelAsset.Root.AddComponent <Animator>();
animator.avatar = modelAsset.HumanoidAvatar;
return(modelAsset);
}
