// Unity
/// <summary>
/// Convert the PMX model into Unity meshes with correct materials.
/// </summary>
/// <returns>A parent GameObject that holds the sub-meshes in its children.</returns>
public GameObject GetGameObject()
{
bool cancel = false;
GameObject root = new GameObject(Name);
GameObject modelParent = new GameObject("Model");
GameObject boneParent = new GameObject("Skeleton");
Material baseOpaque = Resources.Load <Material>("Materials/DefaultMaterial");
Material baseTransparent = Resources.Load <Material>("Materials/DefaultMaterialTransparent");
Material baseFade = Resources.Load <Material>("Materials/DefaultMaterialFade");
Material baseCutout = Resources.Load <Material>("Materials/DefaultMaterialCutout");
GameObject boneSpritePrefab = Resources.Load <GameObject>("Prefabs/BoneSprite");
List <Transform> boneObjectList = new List <Transform>();
// Skeleton... recursion is recursion.
foreach (PmxBone rootBone in PmxBone.RootBones(Bones))
{
GameObject rootBoneObject = BoneHierarchy.BuildHierarchy(rootBone, Bones, boneObjectList, boneSpritePrefab);
boneObjectList.Add(rootBoneObject.transform);
rootBoneObject.transform.SetParent(boneParent.transform);
rootBoneObject.transform.position = rootBone.Position;
}
// Model
for (int i = 0; i < Materials.Count; ++i)
{
PmxMaterial mat = Materials[i];
GameObject o = new GameObject(string.Format("{0} ({1})", Name, mat.NameJapanese));
// MESH
List <PmxVertex> vert = new List <PmxVertex>(); // List of vertices that make up the sub-model
List <int> tri = new List <int>(); // Every index corresponds to an index in vert
List <BoneWeight> weights = new List <BoneWeight>();
List <Matrix4x4> bindposes = new List <Matrix4x4>();
foreach (PmxTriangle t in mat.Triangles(Triangles))
{
vert.Add(Vertices[t.Vertex1]);
tri.Add(vert.Count - 1);
vert.Add(Vertices[t.Vertex2]);
tri.Add(vert.Count - 1);
vert.Add(Vertices[t.Vertex3]);
tri.Add(vert.Count - 1);
weights.Add(Vertices[t.Vertex1].DeformData.GetUnityWeight());
bindposes.Add(boneObjectList[weights[weights.Count - 1].boneIndex0].worldToLocalMatrix);
weights.Add(Vertices[t.Vertex2].DeformData.GetUnityWeight());
bindposes.Add(boneObjectList[weights[weights.Count - 1].boneIndex0].worldToLocalMatrix);
weights.Add(Vertices[t.Vertex3].DeformData.GetUnityWeight());
bindposes.Add(boneObjectList[weights[weights.Count - 1].boneIndex0].worldToLocalMatrix);
}
Mesh mesh = new Mesh();
mesh.name = mat.NameJapanese;
mesh.vertices = PmxVertex.GetPositions(vert).ToArray();
mesh.normals = PmxVertex.GetNormals(vert).ToArray();
mesh.uv = PmxVertex.GetUVs(vert).ToArray();
mesh.triangles = tri.ToArray();
mesh.boneWeights = weights.ToArray();
mesh.bindposes = bindposes.ToArray();
o.AddComponent <MeshFilter>().sharedMesh = mesh;
SkinnedMeshRenderer renderer = o.AddComponent <SkinnedMeshRenderer>();
renderer.sharedMesh = mesh;
renderer.updateWhenOffscreen = true;
renderer.bones = boneObjectList.ToArray();
// SKELETON
// MATERIAL
// Texture
Texture2D tex = null;
if (!string.IsNullOrEmpty(mat.DiffuseTexturePath))
{
string path = Path.Combine(Path.GetDirectoryName(FilePath), mat.DiffuseTexturePath);
if (File.Exists(path))
{
tex = PmxMaterial.LoadTexture(path);
}
}
// Execute early rendering mode directives
RenderModeDirective.RenderMode mode = RenderModeDirective.RenderMode.Opaque;
foreach (RenderModeDirective dir in mat.Directives.OfType <RenderModeDirective>())
{
mode = dir.Mode;
if (dir.AutoDetect)
{
if (!PmxMaterial.IsTransparent(mat, tex, dir.Threshold))
{
mode = RenderModeDirective.RenderMode.Opaque;
}
}
}
// Set up material
Material material;
switch (mode)
{
case RenderModeDirective.RenderMode.Cutout:
material = Material.Instantiate <Material>(baseCutout);
break;
case RenderModeDirective.RenderMode.Fade:
material = Material.Instantiate <Material>(baseFade);
break;
case RenderModeDirective.RenderMode.Transparent:
material = Material.Instantiate <Material>(baseTransparent);
break;
default:
material = Material.Instantiate <Material>(baseOpaque);
break;
}
material.name = mat.NameJapanese;
material.color = mat.DiffuseColor;
if (tex != null)
{
material.mainTexture = tex;
}
// Execute directives
foreach (MaterialDirective dir in mat.Directives)
{
dir.Execute(material);
}
// Set up GameObject and components
renderer.sharedMaterial = material;
renderer.shadowCastingMode = mat.HasFlag(PmxMaterial.MaterialFlags.CastShadow | PmxMaterial.MaterialFlags.GroundShadow) ? ShadowCastingMode.On : ShadowCastingMode.Off;
//renderer.receiveShadows = mat.HasFlag(PmxMaterial.MaterialFlags.ReceiveShadow);
// Execute renderer directives
foreach (MaterialDirective dir in mat.Directives)
{
dir.Execute(renderer);
}
o.transform.SetParent(modelParent.transform);
if (cancel)
{
break;
}
}
modelParent.transform.SetParent(root.transform);
boneParent.transform.SetParent(root.transform);
// Release loaded prefabs - source of memory leak? unneeded?
//GameObject.Destroy(baseOpaque);
//GameObject.Destroy(baseTransparent);
//GameObject.Destroy(baseFade);
//GameObject.Destroy(baseCutout);
//GameObject.Destroy(boneSpritePrefab);
if (cancel)
{
GameObject.Destroy(root);
return(null);
}
return(root);
}
// Loading
#pragma warning disable 0162
/// <summary>
/// Read and process the file.
/// </summary>
/// <param name="r">The binary reader pointing at the PMX file.</param>
private void LoadPmx(BinaryReader r)
{
#region Header
// Signature (4)
byte[] sig = r.ReadBytes(PmxConstants.SignatureLength);
if (!sig.ValidatePmxSignature())
{
throw new PmxSignatureException(sig);
}
// Version (4)
float parsedVersion = r.ReadSingle();
if (parsedVersion == 2.0f)
{
Version = PmxVersion.Pmx20;
}
else if (parsedVersion == 2.1f)
{
Version = PmxVersion.Pmx21;
}
// Globals (9)
r.ReadByte(); // This is always 8 in PMX 2.0, safe to ignore
TextEncoding = r.ReadByte() == 0 ? Encoding.Unicode : Encoding.UTF8;
AdditionalUVCount = r.ReadByte(); // 0 to 4
PmxTypes.VertexIndex = r.ReadByte(); // Vertex index types are byte (1), ushort (2) or int (4)
PmxTypes.TextureIndex = r.ReadByte(); // All other index types are sbyte (1), short (2) or int (4)
PmxTypes.MaterialIndex = r.ReadByte();
PmxTypes.BoneIndex = r.ReadByte();
PmxTypes.MorphIndex = r.ReadByte();
PmxTypes.RigidbodyIndex = r.ReadByte();
// Model information
NameJapanese = r.ReadPmxString(TextEncoding);
NameEnglish = r.ReadPmxString(TextEncoding);
InfoJapanese = r.ReadPmxString(TextEncoding);
InfoEnglish = r.ReadPmxString(TextEncoding);
#endregion
#region Vertex data
Vertices = new List <PmxVertex>(r.ReadInt32());
for (int i = 0; i < Vertices.Capacity; ++i)
{
// Standard vectors
PmxVertex v = new PmxVertex();
v.Position = r.ReadVector3();
v.Normal = r.ReadVector3();
v.UV = r.ReadVector2() * new Vector2(1, -1);
// Additional UV
v.UVAdditional = new List <Vector4>(AdditionalUVCount);
for (int j = 0; j < AdditionalUVCount; ++j)
{
v.UVAdditional.Add(r.ReadVector4());
}
// Deform
byte deformID = r.ReadByte();
switch (deformID)
{
case 0: // BDEF1
v.DeformData = new Bdef1Deform(r.ReadIndex(PmxTypes.IndexType.Bone));
break;
case 1: // BDEF2
v.DeformData = new Bdef2Deform(r.ReadIndex(PmxTypes.IndexType.Bone), r.ReadIndex(PmxTypes.IndexType.Bone), r.ReadSingle());
break;
case 2: // BDEF4
v.DeformData = new Bdef4Deform()
{
Bone1 = r.ReadIndex(PmxTypes.IndexType.Bone),
Bone2 = r.ReadIndex(PmxTypes.IndexType.Bone),
Bone3 = r.ReadIndex(PmxTypes.IndexType.Bone),
Bone4 = r.ReadIndex(PmxTypes.IndexType.Bone),
Weight1 = r.ReadSingle(),
Weight2 = r.ReadSingle(),
Weight3 = r.ReadSingle(),
Weight4 = r.ReadSingle(),
};
break;
case 3: // SDEF
v.DeformData = new SdefDeform()
{
Bone1 = r.ReadIndex(PmxTypes.IndexType.Bone),
Bone2 = r.ReadIndex(PmxTypes.IndexType.Bone),
Weight1 = r.ReadSingle(),
C = r.ReadVector3(),
R0 = r.ReadVector3(),
R1 = r.ReadVector3()
};
break;
case 4: // QDEF
v.DeformData = new QdefDeform()
{
Bone1 = r.ReadIndex(PmxTypes.IndexType.Bone),
Bone2 = r.ReadIndex(PmxTypes.IndexType.Bone),
Bone3 = r.ReadIndex(PmxTypes.IndexType.Bone),
Bone4 = r.ReadIndex(PmxTypes.IndexType.Bone),
Weight1 = r.ReadSingle(),
Weight2 = r.ReadSingle(),
Weight3 = r.ReadSingle(),
Weight4 = r.ReadSingle(),
};
break;
default:
throw new PmxDeformException(deformID);
}
v.EdgeSize = r.ReadSingle();
Vertices.Add(v);
}
#endregion
#region Triangle data
int trianglePointCount = r.ReadInt32();
if ((trianglePointCount % 3) != 0)
{
throw new PmxFormatException(string.Format("The triangle count is incorrect. Expected divisible by 3, got {0} (remainder {1})", trianglePointCount, trianglePointCount % 3));
}
Triangles = new List <PmxTriangle>(trianglePointCount / 3);
for (int i = 0; i < Triangles.Capacity; ++i)
{
PmxTriangle tri = new PmxTriangle(r.ReadIndex(PmxTypes.IndexType.Vertex), r.ReadIndex(PmxTypes.IndexType.Vertex), r.ReadIndex(PmxTypes.IndexType.Vertex));
Triangles.Add(tri);
}
#endregion
#region Texture list
Textures = new List <string>(r.ReadInt32());
for (int i = 0; i < Textures.Capacity; ++i)
{
Textures.Add(r.ReadPmxString(TextEncoding));
}
#endregion
#region Material data
int assignedVertices = 0;
Materials = new List <PmxMaterial>(r.ReadInt32());
for (int i = 0; i < Materials.Capacity; ++i)
{
PmxMaterial m = new PmxMaterial(r.ReadPmxString(TextEncoding), r.ReadPmxString(TextEncoding));
// Colors
m.DiffuseColor = r.ReadColor4();
m.SpecularColor = r.ReadColor3();
m.SpecularExponent = r.ReadSingle();
m.AmbientColor = r.ReadColor3();
// Properties
m.Flags = (PmxMaterial.MaterialFlags)r.ReadByte();
m.EdgeColor = r.ReadColor4();
m.EdgeSize = r.ReadSingle();
// Textures
int index = r.ReadIndex(PmxTypes.IndexType.Texture);
m.DiffuseTexturePath = index < 0 ? "" : Textures[index];
index = r.ReadIndex(PmxTypes.IndexType.Texture);
m.SphereTexturePath = index < 0 ? "" : Textures[index];
m.SphereBlending = (PmxMaterial.SphereBlendingMode)r.ReadByte();
m.ToonReference = (PmxMaterial.ToonReferenceType)r.ReadByte();
if (m.ToonReference == PmxMaterial.ToonReferenceType.Internal)
{
index = r.ReadIndex(PmxTypes.IndexType.Texture);
try
{
m.ToonTexturePath = index < 0 ? "" : Textures[index];
}
catch { }
}
else
{
m.ToonInternalIndex = r.ReadByte();
}
// Comment
m.Note = r.ReadPmxString(TextEncoding);
// Surfaces
m.FirstVertex = assignedVertices;
m.VertexCount = r.ReadInt32();
assignedVertices += m.VertexCount;
Materials.Add(m);
}
#endregion
#region Bone data
Bones = new List <PmxBone>(r.ReadInt32());
for (int i = 0; i < Bones.Capacity; ++i)
{
PmxBone bone = r.ReadPmxBone(TextEncoding);
bone.Index = Bones.Count;
Bones.Add(bone);
}
#endregion
#region Morph data
Morphs = new List <PmxMorph>(r.ReadInt32());
for (int i = 0; i < Morphs.Capacity; ++i)
{
Morphs.Add(r.ReadPmxMorph(TextEncoding));
}
#endregion
// SKIP FROM HERE
r.Close(); return;
#region Frame data
#endregion
#region Rigidbody data
#endregion
#region Joint data
#endregion
#region Soft body data
#endregion
}