private void ExportMesh(int meshIndex)
{
GrnMesh mesh = this.File.Meshes[meshIndex];
string mainObject = "mainObject";
Maxscript.Command("{0} = grnMeshes[{1}]", mainObject, meshIndex + 1);
string mainMesh = Maxscript.SnapshotAsMesh("mainMesh", mainObject);
mesh.DataExtensionIndex = this.File.AddDataExtension(Maxscript.QueryString("{0}.name", mainObject));
Dictionary<int, int> matIdMapping = this.ExportMeshMaterial(mainObject);
// Setup Normals
Maxscript.Command("max modify mode");
string tempObject = "tempObject";
Maxscript.Command("{0} = Editable_Mesh()", tempObject);
Maxscript.Command("{0}.mesh = {1}", tempObject, mainMesh);
Maxscript.Command("addModifier {0} (Edit_Normals()) ui:off", tempObject);
Maxscript.Command("modPanel.setCurrentObject {0}.modifiers[#edit_normals] ui:true", tempObject);
int numVertices = Maxscript.QueryInteger("meshop.getnumverts {0}", mainMesh);
int numFaces = Maxscript.QueryInteger("meshop.getnumfaces {0}", mainMesh);
for (int i = 0; i < numVertices; i++)
{
try
{
Maxscript.Command("vertex = meshGetVertFunc {0} {1}", mainMesh, i + 1);
mesh.Vertices.Add(new Vector3D(
Maxscript.QueryFloat("vertex.x"),
Maxscript.QueryFloat("vertex.y"),
Maxscript.QueryFloat("vertex.z")));
}
catch (Exception ex)
{
throw new Exception("Error importing vertex at index " + (i + 1) + ".", ex);
}
}
int numNorms = Maxscript.QueryInteger("{0}.modifiers[#edit_normals].GetNumNormals()", tempObject);
Maxscript.Command("getVertNormalFunc = {0}.modifiers[#edit_normals].GetNormal", tempObject);
for (int i = 0; i < numNorms; ++i)
{
try
{
Maxscript.Command("currentNormal = getVertNormalFunc {0}", i + 1);
mesh.Normals.Add(new Vector3D(
Maxscript.QueryFloat("currentNormal.x"),
Maxscript.QueryFloat("currentNormal.y"),
Maxscript.QueryFloat("currentNormal.z")));
}
catch (Exception ex)
{
throw new Exception("Error importing normal at index " + (i + 1) + ".", ex);
}
}
int numTexVertices = Maxscript.QueryInteger("meshop.getnumtverts {0}", mainMesh);
for (int i = 0; i < numTexVertices; i++)
{
try
{
Maxscript.Command("tVert = meshGetMapVertFunc {0} 1 {1}", mainMesh, i + 1);
mesh.TextureCoordinates.Add(new Vector3D(
Maxscript.QueryFloat("tVert.x"),
1f-Maxscript.QueryFloat("tVert.y"),
Maxscript.QueryFloat("tVert.z")));
}
catch (Exception ex)
{
throw new Exception("Error importing texture vertex at index " + (i + 1) + ".", ex);
}
}
Maxscript.Command("meshGetNormalIdFunc = {0}.modifiers[#edit_normals].GetNormalID", tempObject);
for (int i = 0; i < numFaces; ++i)
{
Face f = new Face();
Int32 matIndex = Maxscript.QueryInteger("getFaceMatID {0} {1}", mainMesh, i + 1);
if (matIdMapping.ContainsKey(matIndex))
{
f.MaterialIndex = (Int16)(matIdMapping[matIndex]);
}
else
{
throw new Exception("In mesh " + mesh.Name + " face index " + (i + 1) + " has an invalid material id " + matIndex + ".");
}
Maxscript.Command("face = getFace {0} {1}", mainMesh, i + 1);
f.Indices.Add((Int16)(Maxscript.QueryInteger("face.x") - 1));
f.Indices.Add((Int16)(Maxscript.QueryInteger("face.y") - 1));
f.Indices.Add((Int16)(Maxscript.QueryInteger("face.z") - 1));
f.NormalIndices.Add(Maxscript.QueryInteger("meshGetNormalIdFunc {0} {1}", i + 1, 1) - 1);
f.NormalIndices.Add(Maxscript.QueryInteger("meshGetNormalIdFunc {0} {1}", i + 1, 2) - 1);
f.NormalIndices.Add(Maxscript.QueryInteger("meshGetNormalIdFunc {0} {1}", i + 1, 3) - 1);
Maxscript.Command("tFace = getTVFace {0} {1}", mainMesh, i + 1);
f.TextureIndices.Add(Maxscript.QueryInteger("tFace.x") - 1);
f.TextureIndices.Add(Maxscript.QueryInteger("tFace.y") - 1);
f.TextureIndices.Add(Maxscript.QueryInteger("tFace.z") - 1);
mesh.Faces.Add(f);
}
// Delete temporary object
Maxscript.Command("delete {0}", tempObject);
if (Maxscript.QueryBoolean("{0}.modifiers[#skin] != undefined", mainObject))
{
Maxscript.Command("skinMod = {0}.modifiers[#skin]", mainObject);
Maxscript.Command("modPanel.setCurrentObject skinMod ui:true");
Maxscript.Command("ExportSkinData()");
int numBVerts = Maxscript.QueryInteger("grnSkinWeights.count");
for (int i = 0; i < numBVerts; ++i)
{
mesh.VertexWeights.Add(new VertexWeight());
Maxscript.Command("skinWeightArray = grnSkinWeights[{0}]", i + 1);
int numVWs = Maxscript.QueryInteger("skinWeightArray.count");
for (int j = 0; j < numVWs; ++j)
{
mesh.VertexWeights[i].BoneIndices.Add(Maxscript.QueryInteger("skinWeightArray[{0}][1]", j + 1));
mesh.VertexWeights[i].Weights.Add(Maxscript.QueryFloat("skinWeightArray[{0}][2]", j + 1));
}
}
int numSkinBBs = Maxscript.QueryInteger("grnSkinBBMaxs.count");
for (int i = 0; i < numSkinBBs; ++i)
{
Maxscript.Command("bbMax = grnSkinBBMaxs[{0}]", i + 1);
Maxscript.Command("bbMin = grnSkinBBMins[{0}]", i + 1);
mesh.BoneBindings.Add(new GrnBoneBinding());
mesh.BoneBindings[i].BoneIndex = Maxscript.QueryInteger("grnSkinBBIndices[{0}]", i + 1);
mesh.BoneBindings[i].OBBMax = new Vector3D(
Maxscript.QueryFloat("bbMax.x"),
Maxscript.QueryFloat("bbMax.y"),
Maxscript.QueryFloat("bbMax.z"));
mesh.BoneBindings[i].OBBMin = new Vector3D(
Maxscript.QueryFloat("bbMin.x"),
Maxscript.QueryFloat("bbMin.y"),
Maxscript.QueryFloat("bbMin.z"));
}
if (numBVerts == 0 || numSkinBBs == 0)
{
throw new Exception("Failed to export skin vertices in mesh " + mesh.Name + ".");
}
}
else
{
throw new Exception("Mesh " + mesh.Name + " has no skin.");
}
}
public void Import(string fileName)
{
// Only need to Update the HEADER, and Animation.Duration, ASETHEADER is auto handled
this.File = new BrgFile();
BrgFile model = this.File; // just ref here so I don't have to rename model to this.File
Grendgine_Collada cModel = Grendgine_Collada.Grendgine_Load_File(fileName);
//Materials
BrgMaterial mat = new BrgMaterial(model);
model.Materials.Add(mat);
mat.AmbientColor = new Color3D();
mat.DiffuseColor = new Color3D();
mat.SpecularColor = new Color3D(0.5f);
mat.SpecularExponent = 5;
mat.Id = 100;
mat.Opacity = 1f;
mat.Flags |= BrgMatFlag.HasTexture | BrgMatFlag.SpecularExponent;
model.Header.NumMaterials = model.Materials.Count();
//Meshes
foreach (Grendgine_Collada_Geometry geo in cModel.Library_Geometries.Geometry)
{
BrgMesh mesh = new BrgMesh(model);
model.Meshes.Add(mesh);
mesh.Header.Flags |= BrgMeshFlag.MATERIAL;
mesh.Header.Flags |= model.Meshes.Count == 1 ? 0 : BrgMeshFlag.SECONDARYMESH;
mesh.Header.AnimationType |= BrgMeshAnimType.KeyFrame;
mesh.Header.Format |= 0;
mesh.ExtendedHeader.NumMaterials = (byte)model.Header.NumMaterials;
mesh.ExtendedHeader.AnimationLength = 30;
mesh.ExtendedHeader.NumUniqueMaterials = 0;
string polyVertSourceID;
string polyNormalsSourceID;
string materialID;
int[] vertCountPerPoly;
int[] vertLinkPerPoly;
int[] vertNormalBindings;
//Locate the vertices and convert them
string vertexPosSourceID = geo.Mesh.Vertices.Input.First<Grendgine_Collada_Input_Unshared>(x => x.Semantic == Grendgine_Collada_Input_Semantic.POSITION).source;
Grendgine_Collada_Float_Array vertsArray = FindSourceByID(geo.Mesh, vertexPosSourceID).Float_Array;
mesh.Vertices = FloatToVectorArray(vertsArray);
mesh.Header.NumVertices = (short)mesh.Vertices.Count;
//Check for polygons otherwise skip mesh
if (geo.Mesh.Polylist != null || geo.Mesh.Polylist.Length > 0)
{
mesh.Header.NumFaces = (short)geo.Mesh.Polylist[0].Count;
polyVertSourceID = geo.Mesh.Polylist[0].Input.First<Grendgine_Collada_Input_Unshared>(x => x.Semantic == Grendgine_Collada_Input_Semantic.VERTEX).source;
polyNormalsSourceID = geo.Mesh.Polylist[0].Input.First<Grendgine_Collada_Input_Unshared>(x => x.Semantic == Grendgine_Collada_Input_Semantic.NORMAL).source;
vertCountPerPoly = geo.Mesh.Polylist[0].VCount.Value();
materialID = geo.Mesh.Polylist[0].Material;
vertLinkPerPoly = geo.Mesh.Polylist[0].P.Value();
mesh.Faces = new List<Face>(mesh.Header.NumFaces);
vertNormalBindings = new int[mesh.Header.NumVertices];
int polyindex = 0;
Face ff;
foreach (int count in vertCountPerPoly)
{
if (count == 3) //If triangle
{
ff = new Face();
ff.Indices = new List<short>(3);
ff.Indices.Add((short)vertLinkPerPoly[polyindex]);
ff.Indices.Add((short)vertLinkPerPoly[polyindex + 4]);
ff.Indices.Add((short)vertLinkPerPoly[polyindex + 2]);
//List correct normal bindings
vertNormalBindings[ff.Indices[0]] = vertLinkPerPoly[polyindex + 1];
vertNormalBindings[ff.Indices[1]] = vertLinkPerPoly[polyindex + 5];
vertNormalBindings[ff.Indices[2]] = vertLinkPerPoly[polyindex + 3];
//Bind materials
if (mesh.Header.Flags.HasFlag(BrgMeshFlag.MATERIAL))
ff.MaterialIndex = (short)mat.Id;
mesh.Faces.Add(ff);
}
polyindex += count * 2; //Including face normal bindings
}
}
else
{
break;
}
//Locate the vertex normals
Grendgine_Collada_Float_Array normalsArray = FindSourceByID(geo.Mesh, polyNormalsSourceID).Float_Array;
if (normalsArray.Count != vertsArray.Count)
{
System.Windows.Forms.MessageBox.Show("The mesh hash only face normals instead of vertex normals. Be sure to export only smooth shaded models.", "Model Import Error", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Warning);
}
List<Vector3D> unsortedNormals = FloatToVectorArray(normalsArray);
mesh.Normals = new List<Vector3D>(mesh.Header.NumVertices);
for (int i = 0; i < mesh.Header.NumVertices; i++)
{
mesh.Normals.Add(unsortedNormals[vertNormalBindings[i]]);
}
mesh.VertexMaterials = new List<short>(mesh.Header.NumVertices);
for (int i = 0; i < mesh.Header.NumVertices; i++)
{
mesh.VertexMaterials.Add((short)mat.Id);
}
}
model.Header.NumMeshes = model.Meshes.Count();
}
private void ExportBrgMesh(string mainObject, BrgMesh mesh, float time, Dictionary<int, int> matIdMapping)
{
time += Maxscript.QueryFloat("animationRange.start.ticks / 4800.0");
string mainMesh = "mainMesh";
string mainObjectName = Maxscript.QueryString("{0}.name", mainObject);
// Figure out the proper data to import
if (!mesh.Header.Flags.HasFlag(BrgMeshFlag.SECONDARYMESH))
{
Maxscript.Command("{0} = ExportPreservedTexCoordData (GetMeshSnapshotAtTime {1} {2})", mainMesh, mainObject, time);
}
else
{
Maxscript.Command("{0} = GetMeshSnapshotAtTime {1} {2}", mainMesh, mainObject, time);
}
Maxscript.Command("ExportBrgVertNormals {0}", time);
Maxscript.SetVarAtTime(time, "meshCenter", "{0}.center", mainObject);
mesh.Header.CenterPosition = new Vector3D
(
-Maxscript.QueryFloat("meshCenter.x"),
Maxscript.QueryFloat("meshCenter.z"),
-Maxscript.QueryFloat("meshCenter.y")
);
Maxscript.Command("grnd = getNodeByName \"Dummy_hotspot\"");
if (!Maxscript.QueryBoolean("grnd == undefined"))
{
mesh.Header.HotspotPosition = new Vector3D
(
-Maxscript.QueryFloat("grnd.position.x"),
Maxscript.QueryFloat("grnd.position.z"),
-Maxscript.QueryFloat("grnd.position.y")
);
}
Maxscript.SetVarAtTime(time, "{0}BBMax", "{0}.max", mainObject);
Maxscript.SetVarAtTime(time, "{0}BBMin", "{0}.min", mainObject);
Vector3D bBoxMax = new Vector3D(Maxscript.QueryFloat("{0}BBMax.X", mainObject), Maxscript.QueryFloat("{0}BBMax.Y", mainObject), Maxscript.QueryFloat("{0}BBMax.Z", mainObject));
Vector3D bBoxMin = new Vector3D(Maxscript.QueryFloat("{0}BBMin.X", mainObject), Maxscript.QueryFloat("{0}BBMin.Y", mainObject), Maxscript.QueryFloat("{0}BBMin.Z", mainObject));
Vector3D bBox = (bBoxMax - bBoxMin) / 2;
mesh.Header.MinimumExtent = new Vector3D(-bBox.X, -bBox.Z, -bBox.Y);
mesh.Header.MaximumExtent = new Vector3D(bBox.X, bBox.Z, bBox.Y);
int numVertices = Maxscript.QueryInteger("brgVertIndices.count");
int numFaces = Maxscript.QueryInteger("brgFaceArray.count");
int currNumVertices = mesh.Vertices.Count;
//System.Windows.Forms.MessageBox.Show("1 " + numVertices);
for (int i = 0; i < numVertices; i++)
{
//System.Windows.Forms.MessageBox.Show("1.1");
try
{
Maxscript.Command("vertex = getVert {0} brgVertIndices[{1}]", mainMesh, i + 1);
//System.Windows.Forms.MessageBox.Show("1.4");
mesh.Vertices.Add(new Vector3D(-Maxscript.QueryFloat("vertex.x"), Maxscript.QueryFloat("vertex.z"), -Maxscript.QueryFloat("vertex.y")));
//System.Windows.Forms.MessageBox.Show("1.5");
mesh.Normals.Add(new Vector3D(
-Maxscript.QueryFloat("{0}[{1}].x", "averagedNormals", i + 1),
Maxscript.QueryFloat("{0}[{1}].z", "averagedNormals", i + 1),
-Maxscript.QueryFloat("{0}[{1}].y", "averagedNormals", i + 1)));
//System.Windows.Forms.MessageBox.Show("1.7");
}
catch (Exception ex)
{
throw new Exception("In mesh " + mainObjectName + " error exporting verts/normals index " + (i + 1) + ".", ex);
}
}
//System.Windows.Forms.MessageBox.Show("2");
if (!mesh.Header.Flags.HasFlag(BrgMeshFlag.SECONDARYMESH) || mesh.Header.Flags.HasFlag(BrgMeshFlag.ANIMTEXCOORDS))
{
if (mesh.Header.Flags.HasFlag(BrgMeshFlag.TEXCOORDSA))
{
for (int i = 0; i < numVertices; i++)
{
Maxscript.Command("tVert = getTVert {0} brgVertTVIndices[{1}]", mainMesh, i + 1);
mesh.TextureCoordinates.Add(new Vector3D(Maxscript.QueryFloat("tVert.x"), Maxscript.QueryFloat("tVert.y"), 0f));
}
}
}
//System.Windows.Forms.MessageBox.Show("3");
if (!mesh.Header.Flags.HasFlag(BrgMeshFlag.SECONDARYMESH))
{
if (mesh.Header.Flags.HasFlag(BrgMeshFlag.MATERIAL))
{
mesh.VertexMaterials.AddRange(new Int16[numVertices]);
}
for (int i = 0; i < numFaces; ++i)
{
Face f = new Face();
mesh.Faces.Add(f);
if (mesh.Header.Flags.HasFlag(BrgMeshFlag.MATERIAL))
{
int faceMatId = Maxscript.QueryInteger("getFaceMatId {0} {1}", mainMesh, i + 1);
if (matIdMapping.ContainsKey(faceMatId))
{
f.MaterialIndex = (Int16)matIdMapping[faceMatId];
}
else
{
throw new Exception("In mesh " + mainObjectName + " face index " + (i + 1) + " has an invalid material id " + faceMatId + ".");
}
}
//System.Windows.Forms.MessageBox.Show("3.1");
Maxscript.Command("face = brgFaceArray[{0}]", i + 1);
f.Indices.Add((Int16)(Maxscript.QueryInteger("face.x") - 1 + currNumVertices));
f.Indices.Add((Int16)(Maxscript.QueryInteger("face.z") - 1 + currNumVertices));
f.Indices.Add((Int16)(Maxscript.QueryInteger("face.y") - 1 + currNumVertices));
//System.Windows.Forms.MessageBox.Show("3.2");
if (mesh.Header.Flags.HasFlag(BrgMeshFlag.MATERIAL))
{
mesh.VertexMaterials[f.Indices[0]] = f.MaterialIndex;
mesh.VertexMaterials[f.Indices[1]] = f.MaterialIndex;
mesh.VertexMaterials[f.Indices[2]] = f.MaterialIndex;
}
}
}
Maxscript.Command("delete {0}", mainMesh);
}