static FoamBoneInfo FindWeightsFor(Bone[] Bones, FoamBone[] FoamBones, int VertexID)
{
List <float> WeightsList = new List <float>();
List <int> VertexBonesList = new List <int>();
for (int i = 0; i < Bones.Length; i++)
{
Bone B = Bones[i];
foreach (var W in B.VertexWeights)
{
if (W.VertexID == VertexID)
{
WeightsList.Add(W.Weight);
VertexBonesList.Add(FindBoneIndex(FoamBones, B.Name));
}
}
}
while (WeightsList.Count < 4)
{
WeightsList.Add(0);
VertexBonesList.Add(0);
}
if (WeightsList.Count > 4)
{
throw new Exception("More than 4 vertex bone weights not supported");
}
FoamBoneInfo BInfo = new FoamBoneInfo();
BInfo.Bone1 = VertexBonesList[0];
BInfo.Bone2 = VertexBonesList[1];
BInfo.Bone3 = VertexBonesList[2];
BInfo.Bone4 = VertexBonesList[3];
BInfo.Weight1 = WeightsList[0];
BInfo.Weight2 = WeightsList[1];
BInfo.Weight3 = WeightsList[2];
BInfo.Weight4 = WeightsList[3];
return(BInfo);
}
FoamMesh LoadMesh(BinaryReader Reader, DPMMesh Msh)
{
FoamVertex3[] Verts = new FoamVertex3[Msh.num_verts];
FoamBoneInfo[] Info = new FoamBoneInfo[Verts.Length];
ushort[] Inds = new ushort[Msh.num_tris * 3];
Reader.Seek(Msh.ofs_verts);
for (int i = 0; i < Verts.Length; i++)
{
DPMVertex V = Reader.ReadStructReverse <DPMVertex>();
for (int j = 0; j < V.numbones; j++)
{
DPMBoneVert BoneVert = Reader.ReadStructReverse <DPMBoneVert>();
}
}
return(new FoamMesh(Verts, Inds, Info, Msh.GetShaderName(), 0));
}
static void UpdateModel(FoamModel Model, int FrameIndex)
{
if (Model.Animations == null)
{
return;
}
//Matrix4x4 ParentRotMat = Matrix4x4.CreateFromYawPitchRoll(0, -Pi / 2, 0);
foreach (var Msh in Model.Meshes)
{
List <Vertex3> Verts = new List <Vertex3>();
if (Msh.BoneInformation == null)
{
continue;
}
foreach (var Index in Msh.Indices)
{
FoamVertex3 Vert = Msh.Vertices[Index];
FoamBoneInfo Info = Msh.BoneInformation[Index];
FoamBone Bone1 = Model.Bones[Info.Bone1];
// TODO: Weights
Matrix4x4 BindWorld = Bone1.BindMatrix;
Matrix4x4 WorldTrans = Model.CalcWorldTransform(0, FrameIndex, Info.Bone1);
Vector3 Pos = Vector3.Transform(Vert.Position, BindWorld * WorldTrans);
// TODO: Flip?
Verts.Add(new Vertex3(Pos, Vert.UV));
}
Mesh *RayMesh = ((Model)Msh.Userdata).meshes;
Raylib.UnloadMesh(*RayMesh);
*RayMesh = Raylib.GenMeshRaw(Verts.ToArray());
}
}
public FoamModel Load(Stream S, string IQMFile)
{
int NumFrames = 0;
ushort[] FrameData = null;
Vector3[] Position = null;
Vector2[] Texcoord = null;
Vector3[] Normal = null;
Vector4[] Tangent = null;
IQMBlendIndices[] BlendIndexes = null;
IQMBlendWeights[] BlendWeights = null;
FoamColor[] Color = null;
byte[] Text = null;
byte[] Comment = null;
IQMTriangle[] Triangles = null;
IQMMesh[] Meshes = null;
IQMJoint[] Joints = null;
IQMPose[] Poses = null;
IQMAnim[] Anims = null;
FoamVertex3[] FoamVertices = null;
FoamBoneInfo[] FoamBoneInfo = null;
using (BinaryReader Reader = new BinaryReader(S, Encoding.UTF8, true)) {
IQMHeader Header = Reader.ReadStruct <IQMHeader>();
NumFrames = (int)Header.num_frames;
if (Header.GetMagic() != "INTERQUAKEMODEL")
{
throw new Exception("Invalid magic in IQM file");
}
if (Header.Version != 2)
{
throw new Exception("Only IQM version 2 supported");
}
// Text
if (Header.ofs_text != 0)
{
Reader.Seek(Header.ofs_text);
//Text = Encoding.ASCII.GetString(Reader.ReadBytes((int)Header.num_text)).Split(new char[] { (char)0 });
Text = Reader.ReadBytes((int)Header.num_text);
}
// Comments
if (Header.ofs_comment != 0)
{
Reader.Seek(Header.ofs_comment);
Comment = Reader.ReadBytes((int)Header.num_comment);
}
// Vertex arrays
Reader.Seek(Header.ofs_vertexarrays);
IQMVertexArray[] VertArrays = new IQMVertexArray[Header.num_vertexarrays];
for (int i = 0; i < VertArrays.Length; i++)
{
VertArrays[i] = Reader.ReadStruct <IQMVertexArray>();
}
for (int i = 0; i < VertArrays.Length; i++)
{
ref IQMVertexArray VA = ref VertArrays[i];
Reader.Seek(VA.offset);
switch (VA.type)
{
case IQMVertexArrayType.IQM_POSITION:
if (VA.format != IQMVertexArrayFormat.IQM_FLOAT && VA.size != 3)
{
throw new NotImplementedException();
}
Position = Reader.ReadStructArray <Vector3>((uint)(Header.num_vertexes * Marshal.SizeOf <Vector3>()));
break;
case IQMVertexArrayType.IQM_TEXCOORD:
if (VA.format != IQMVertexArrayFormat.IQM_FLOAT && VA.size != 2)
{
throw new NotImplementedException();
}
Texcoord = Reader.ReadStructArray <Vector2>((uint)(Header.num_vertexes * Marshal.SizeOf <Vector2>()));
break;
case IQMVertexArrayType.IQM_NORMAL:
if (VA.format != IQMVertexArrayFormat.IQM_FLOAT && VA.size != 3)
{
throw new NotImplementedException();
}
Normal = Reader.ReadStructArray <Vector3>((uint)(Header.num_vertexes * Marshal.SizeOf <Vector3>()));
break;
case IQMVertexArrayType.IQM_TANGENT:
if (VA.format != IQMVertexArrayFormat.IQM_FLOAT && VA.size != 4)
{
throw new NotImplementedException();
}
Tangent = Reader.ReadStructArray <Vector4>((uint)(Header.num_vertexes * Marshal.SizeOf <Vector4>()));
break;
case IQMVertexArrayType.IQM_BLENDINDEXES:
if (VA.format != IQMVertexArrayFormat.IQM_UBYTE && VA.size != 4)
{
throw new NotImplementedException();
}
BlendIndexes = Reader.ReadStructArray <IQMBlendIndices>((uint)(Header.num_vertexes * Marshal.SizeOf <IQMBlendIndices>()));
break;
case IQMVertexArrayType.IQM_BLENDWEIGHTS:
if (VA.format != IQMVertexArrayFormat.IQM_UBYTE && VA.size != 4)
{
throw new NotImplementedException();
}
BlendWeights = Reader.ReadStructArray <IQMBlendWeights>((uint)(Header.num_vertexes * Marshal.SizeOf <IQMBlendWeights>()));
break;
case IQMVertexArrayType.IQM_COLOR:
if (VA.format != IQMVertexArrayFormat.IQM_UBYTE && VA.size != 4)
{
throw new NotImplementedException();
}
Color = Reader.ReadStructArray <FoamColor>((uint)(Header.num_vertexes * Marshal.SizeOf <FoamColor>()));
break;
case IQMVertexArrayType.IQM_CUSTOM:
default:
throw new NotImplementedException();
}
}
// Triangles
Reader.Seek(Header.ofs_triangles);
Triangles = Reader.ReadStructArray <IQMTriangle>((uint)(Header.num_triangles * sizeof(IQMTriangle)));
// Meshes
Reader.Seek(Header.ofs_meshes);
Meshes = Reader.ReadStructArray <IQMMesh>((uint)(Header.num_meshes * sizeof(IQMMesh)));
// Joints
Reader.Seek(Header.ofs_joints);
Joints = Reader.ReadStructArray <IQMJoint>((uint)(Header.num_joints * sizeof(IQMJoint)));
// Poses
Reader.Seek(Header.ofs_poses);
Poses = Reader.ReadStructArray <IQMPose>((uint)(Header.num_poses * sizeof(IQMPose)));
// Anims
Reader.Seek(Header.ofs_anims);
Anims = Reader.ReadStructArray <IQMAnim>((uint)(Header.num_anims * sizeof(IQMAnim)));
// Frames
Reader.Seek(Header.ofs_frames);
FrameData = Reader.ReadStructArray <ushort>((uint)(CountFrameDataLength(NumFrames, Poses) * sizeof(ushort)));
// Foam vertices
FoamVertices = new FoamVertex3[Header.num_vertexes];
for (int i = 0; i < FoamVertices.Length; i++)
{
FoamVertices[i] = BuildVertex(i, Tangent, Normal, Position, Texcoord, Color);
}
// Foam bone info
FoamBoneInfo = new FoamBoneInfo[FoamVertices.Length];
for (int i = 0; i < FoamBoneInfo.Length; i++)
{
FoamBoneInfo Info = new FoamBoneInfo();
if (BlendIndexes != null && BlendWeights != null)
{
IQMBlendIndices BInd = BlendIndexes[i];
IQMBlendWeights BWgt = BlendWeights[i];
Info.Bone1 = BInd.BlendIndex1;
Info.Bone2 = BInd.BlendIndex2;
Info.Bone3 = BInd.BlendIndex3;
Info.Bone4 = BInd.BlendIndex4;
const float WeightDividend = 255.0f;
Info.Weight1 = BWgt.BlendWeight1 / WeightDividend;
Info.Weight2 = BWgt.BlendWeight2 / WeightDividend;
Info.Weight3 = BWgt.BlendWeight3 / WeightDividend;
Info.Weight4 = BWgt.BlendWeight4 / WeightDividend;
}
FoamBoneInfo[i] = Info;
}
}
static FoamModel Load(string FileName, int MD3Frame = 0)
{
string Ext = Path.GetExtension(FileName).ToLower();
using (AssimpContext Importer = new AssimpContext()) {
Importer.SetConfig(new MD3HandleMultiPartConfig(false));
//Importer.SetConfig(new MD5NoAnimationAutoLoadConfig(true));
Importer.SetConfig(new VertexBoneWeightLimitConfig(4));
Importer.SetConfig(new MD3KeyFrameImportConfig(MD3Frame));
PostProcessSteps ProcessSteps = PostProcessSteps.Triangulate;
ProcessSteps |= PostProcessSteps.SplitLargeMeshes;
ProcessSteps |= PostProcessSteps.OptimizeMeshes;
ProcessSteps |= PostProcessSteps.LimitBoneWeights;
ProcessSteps |= PostProcessSteps.JoinIdenticalVertices;
ProcessSteps |= PostProcessSteps.ImproveCacheLocality;
ProcessSteps |= PostProcessSteps.GenerateNormals;
ProcessSteps |= PostProcessSteps.GenerateUVCoords;
//if (Ext != ".md3")
ProcessSteps |= PostProcessPreset.ConvertToLeftHanded;
Scene Sc = Importer.ImportFile(FileName, ProcessSteps);
List <FoamMaterial> MaterialList = new List <FoamMaterial>();
foreach (var Mat in Sc.Materials)
{
FoamMaterial FoamMat = new FoamMaterial(Mat.Name);
AddTextureIfExists(Mat.HasTextureDiffuse, ref FoamMat, Mat.TextureDiffuse, FoamTextureType.Diffuse);
AddTextureIfExists(Mat.HasTextureEmissive, ref FoamMat, Mat.TextureEmissive, FoamTextureType.Glow);
AddTextureIfExists(Mat.HasTextureNormal, ref FoamMat, Mat.TextureNormal, FoamTextureType.Normal);
AddTextureIfExists(Mat.HasTextureSpecular, ref FoamMat, Mat.TextureSpecular, FoamTextureType.Specular);
AddTextureIfExists(Mat.HasTextureReflection, ref FoamMat, Mat.TextureReflection, FoamTextureType.Reflection);
AddTextureIfExists(Mat.HasTextureHeight, ref FoamMat, Mat.TextureHeight, FoamTextureType.Height);
AddTextureIfExists(Mat.HasTextureLightMap, ref FoamMat, Mat.TextureLightMap, FoamTextureType.LightMap);
AddTextureIfExists(Mat.HasTextureDisplacement, ref FoamMat, Mat.TextureDisplacement, FoamTextureType.Displacement);
AddTextureIfExists(Mat.HasTextureAmbient, ref FoamMat, Mat.TextureAmbient, FoamTextureType.Ambient);
AddTextureIfExists(Mat.HasTextureOpacity, ref FoamMat, Mat.TextureOpacity, FoamTextureType.Opacity);
MaterialList.Add(FoamMat);
}
FoamBone[] Bones = new FoamBone[0];
List <FoamMesh> MeshList = new List <FoamMesh>();
foreach (var Msh in Sc.Meshes)
{
Vector3D[] Verts = Msh.Vertices.ToArray();
Vector3D[] UVs1 = Msh.TextureCoordinateChannels[0].ToArray();
Vector3D[] UVs2 = Msh.TextureCoordinateChannels[1].ToArray();
Vector3D[] Normals = Msh.Normals.ToArray();
Vector3D[] Tangents = Msh.Tangents.ToArray();
Color4D[] Colors = Msh.VertexColorChannels[0].ToArray();
string MeshName = Msh.Name;
int MaterialIndex = Msh.MaterialIndex;
FoamVertex3[] FoamVertices = new FoamVertex3[Verts.Length];
for (int i = 0; i < FoamVertices.Length; i++)
{
Vector2 UV1 = UVs1.Length != 0 ? new Vector2(UVs1[i].X, UVs1[i].Y) : Vector2.Zero;
Vector2 UV2 = UVs2.Length != 0 ? new Vector2(UVs2[i].X, UVs2[i].Y) : Vector2.Zero;
Vector3 Normal = Normals.Length != 0 ? new Vector3(Normals[i].X, Normals[i].Y, Normals[i].Z) : Vector3.Zero;
Vector3 Tangent = Tangents.Length != 0 ? new Vector3(Tangents[i].X, Tangents[i].Y, Tangents[i].Z) : Vector3.Zero;
FoamColor Color = Colors.Length != 0 ? new FoamColor(Colors[i].R, Colors[i].G, Colors[i].B, Colors[i].A) : FoamColor.White;
FoamVertex3 V = new FoamVertex3(new Vector3(Verts[i].X, Verts[i].Y, Verts[i].Z), UV1, UV2, Normal, Tangent, Color);
FoamVertices[i] = V;
}
bool CalculateTangents = Tangents.Length == 0 && UVs1.Length != 0;
//bool CalculateNormals = Normals.Length == 0;
List <ushort> FoamIndices = new List <ushort>();
foreach (var F in Msh.Faces)
{
ushort IndexA = (ushort)F.Indices[0];
ushort IndexB = (ushort)F.Indices[1];
ushort IndexC = (ushort)F.Indices[2];
if (CalculateTangents)
{
FoamVertex3 V0 = FoamVertices[IndexA];
FoamVertex3 V1 = FoamVertices[IndexB];
FoamVertex3 V2 = FoamVertices[IndexC];
Vector3 DeltaPos1 = V1.Position - V0.Position;
Vector3 DeltaPos2 = V2.Position - V0.Position;
//if (CalculateTangents) {
Vector2 DeltaUV1 = V1.UV - V0.UV;
Vector2 DeltaUV2 = V2.UV - V0.UV;
Vector3 Tangent = (DeltaPos1 * DeltaUV2.Y - DeltaPos2 * DeltaUV1.Y) * (1.0f / (DeltaUV1.X * DeltaUV2.Y - DeltaUV1.Y * DeltaUV2.X));
FoamVertices[IndexA].Tangent = FoamVertices[IndexB].Tangent = FoamVertices[IndexC].Tangent = Tangent;
/*}
*
* if (CalculateNormals)
* FoamVertices[IndexA].Normal = FoamVertices[IndexB].Normal = FoamVertices[IndexC].Normal = Vector3.Normalize(Vector3.Cross(DeltaPos1, DeltaPos2));*/
}
FoamIndices.AddRange(F.Indices.Select(I => (ushort)I));
}
FoamBoneInfo[] BoneInfo = null;
if (Msh.BoneCount != 0)
{
BoneInfo = new FoamBoneInfo[FoamVertices.Length];
Bone[] OrigBones = Msh.Bones.ToArray();
// Convert bones
for (int i = 0; i < OrigBones.Length; i++)
{
if (!ContainsBoneNamed(Bones, OrigBones[i].Name))
{
Utils.Append(ref Bones, new FoamBone(OrigBones[i].Name, -1, ConvertMatrix(OrigBones[i].OffsetMatrix)));
}
}
// Convert vertex bone information
for (int i = 0; i < FoamVertices.Length; i++)
{
BoneInfo[i] = FindWeightsFor(OrigBones, Bones, i);
}
}
MeshList.Add(new FoamMesh(FoamVertices, FoamIndices?.ToArray() ?? null, BoneInfo, MeshName, MaterialIndex));
}
if (Bones.Length > 0)
{
Node[] NodeHierarchy = Flatten(Sc.RootNode);
//Node SceneRootNode = Sc.RootNode;
Node RootNode = FindRoot(FindNode(NodeHierarchy, Bones[0].Name), Bones);
Utils.Prepend(ref Bones, new FoamBone(RootNode.Name, -1, ConvertMatrix(RootNode.Transform)));
/*Node RootNodeTest = RootNode;
* while (RootNodeTest.Parent != null) {
* Bones[0].BindMatrix = Bones[0].BindMatrix * ConvertMatrix(RootNodeTest.Transform);
* RootNodeTest = RootNodeTest.Parent;
* }*/
/*while (RootNode.Parent != null) {
* Utils.Prepend(ref Bones, new FoamBone(RootNode.Name, -1, NumMatrix4x4.Identity));
* RootNode = RootNode.Parent;
* }*/
for (int i = 0; i < Bones.Length; i++)
{
Node BoneNode = FindNode(NodeHierarchy, Bones[i].Name);
int BoneParentIndex = FindBoneIndex(Bones, BoneNode.Parent.Name);
if (BoneNode != RootNode)
{
if (BoneParentIndex == -1)
{
throw new Exception("Could not find a bone");
}
}
Bones[i].ParentBoneIndex = BoneParentIndex;
}
}
else
{
Bones = null;
}
// Animations
FoamAnimation[] Animations = null;
foreach (var Anim in Sc.Animations)
{
string[] BoneNames = Anim.NodeAnimationChannels.Select(C => C.NodeName).ToArray();
int FrameCount = Anim.NodeAnimationChannels[0].PositionKeyCount;
FoamAnimationFrame[] Frames = new FoamAnimationFrame[FrameCount];
for (int i = 0; i < FrameCount; i++)
{
Frames[i] = ReadFrame(Anim.NodeAnimationChannels, BoneNames, i);
}
FoamAnimation Animation = new FoamAnimation(Anim.Name, Frames, BoneNames, (float)Anim.DurationInTicks, (float)Anim.TicksPerSecond);
Utils.Append(ref Animations, Animation);
}
return(new FoamModel(Path.GetFileNameWithoutExtension(FileName), FoamFlags.Model, MeshList.ToArray(), Bones, Animations, MaterialList.ToArray()));
}
}
static FoamModel LoadMdl(string FilePath)
{
FilePath = FilePath.Substring(0, FilePath.Length - Path.GetExtension(FilePath).Length);
StudioModelFile Mdl = StudioModelFile.FromProvider(FilePath + ".mdl", VFS);
if (Mdl == null)
{
throw new FileNotFoundException("File not found", FilePath + ".mdl");
}
ValveVertexFile Verts = ValveVertexFile.FromProvider(FilePath + ".vvd", VFS);
ValveTriangleFile Tris = ValveTriangleFile.FromProvider(FilePath + ".dx90.vtx", Mdl, Verts, VFS);
// Foam stuff
List <FoamMaterial> FoamMaterials = new List <FoamMaterial>();
string[] TexNames = Mdl.TextureNames.ToArray();
for (int i = 0; i < Mdl.MaterialCount; i++)
{
string MatName = Mdl.GetMaterialName(i, VFS);
string ShortMatName = Path.GetFileNameWithoutExtension(MatName);
ValveMaterialFile VMF = ValveMaterialFile.FromProvider(MatName, VFS);
FoamMaterials.Add(new FoamMaterial(ShortMatName, new FoamTexture[] { new FoamTexture(TexNames[i], FoamTextureType.Diffuse) }));
}
List <FoamMesh> FoamMeshes = new List <FoamMesh>();
List <FoamBone> FoamBones = new List <FoamBone>();
StudioModelFile.StudioBone[] Bones = Mdl.GetBones();
for (int i = 0; i < Bones.Length; i++)
{
string BoneName = Mdl.GetBoneName(i);
FoamBones.Add(new FoamBone(BoneName, Bones[i].Parent, Matrix4x4.Identity));
}
// BODIES
for (int BodyPartIdx = 0; BodyPartIdx < Mdl.BodyPartCount; BodyPartIdx++)
{
StudioModelFile.StudioModel[] StudioModels = Mdl.GetModels(BodyPartIdx).ToArray();
// MODELS
for (int ModelIdx = 0; ModelIdx < StudioModels.Length; ModelIdx++)
{
ref StudioModelFile.StudioModel StudioModel = ref StudioModels[ModelIdx];
StudioModelFile.StudioMesh[] StudioMeshes = Mdl.GetMeshes(ref StudioModel).ToArray();
// MESHES
for (int MeshIdx = 0; MeshIdx < StudioMeshes.Length; MeshIdx++)
{
ref StudioModelFile.StudioMesh StudioMesh = ref StudioMeshes[MeshIdx];
StudioVertex[] StudioVerts = new StudioVertex[Tris.GetVertexCount(BodyPartIdx, ModelIdx, 0, MeshIdx)];
Tris.GetVertices(BodyPartIdx, ModelIdx, 0, MeshIdx, StudioVerts);
int[] Indices = new int[Tris.GetIndexCount(BodyPartIdx, ModelIdx, 0, MeshIdx)];
Tris.GetIndices(BodyPartIdx, ModelIdx, 0, MeshIdx, Indices);
// Foam converted
List <FoamVertex3> FoamVerts = new List <FoamVertex3>(StudioVerts.Select(V => {
// TODO: CCW
nVector2 UV = new nVector2(V.TexCoordX, V.TexCoordY);
return(new FoamVertex3(Conv(V.Position), UV, nVector2.Zero, Conv(V.Normal), nVector3.Zero, FoamColor.White));
}));
List <FoamBoneInfo> FoamInfo = new List <FoamBoneInfo>(StudioVerts.Select(V => {
FoamBoneInfo Info = new FoamBoneInfo();
Info.Bone1 = V.BoneWeights.Bone0;
Info.Bone2 = V.BoneWeights.Bone1;
Info.Bone3 = V.BoneWeights.Bone1;
Info.Weight1 = V.BoneWeights.Weight0;
Info.Weight2 = V.BoneWeights.Weight1;
Info.Weight3 = V.BoneWeights.Weight2;
return(Info);
}));
List <ushort> FoamInds = new List <ushort>(Indices.Select(I => (ushort)I));
if (ConvertToCCW)
{
FoamInds.Reverse();
}
FoamMeshes.Add(new FoamMesh(FoamVerts.ToArray(), FoamInds.ToArray(), FoamInfo.ToArray(), StudioModel.Name + ";" + MeshIdx, StudioMesh.Material));
/*List<FoamVertex3> Vts = new List<FoamVertex3>();
* for (int i = 0; i < Indices.Length; i++) {
* ref StudioVertex V = ref StudioVerts[Indices[i]];
* Vts.Add(new Vertex3(new Vector3(V.Position.X, V.Position.Y, V.Position.Z), new Vector2(V.TexCoordX, 1.0f - V.TexCoordY), Color.White));
* }*/
/*string MatName = MaterialNames[StudioMesh.Material];
* Material Mat = Engine.GetMaterial(MatName);
*
* if (Mat == Engine.GetMaterial("error")) {
* Mat = ValveMaterial.CreateMaterial(MatName);
*
* if (Mat != Engine.GetMaterial("error"))
* Engine.RegisterMaterial(Mat);
* }
*
* libTechMesh Msh = new libTechMesh(Vts.ToArray(), Mat);
* Msh.Name = StudioModel.Name;
* Model.AddMesh(Msh);*/
}
}
