public void Export()
{
BrgFile brg = this.File;
Maxscript.Command("exportStartTime = timeStamp()");
//Maxscript.Command("print heapSize");
BrgMeshFlag flags = brg.Meshes[0].Header.Flags;
BrgMeshFormat format = brg.Meshes[0].Header.Format;
BrgMeshAnimType animationType = brg.Meshes[0].Header.AnimationType;
BrgMeshInterpolationType interpolationType = brg.Meshes[0].Header.InterpolationType;
Maxscript.Command("ExportBrgData()");
int totalNumVerts = Maxscript.QueryInteger("brgtotalNumVerts");
int totalNumFaces = Maxscript.QueryInteger("brgtotalNumFaces");
int meshCount = Maxscript.QueryInteger("brgMeshes.count");
if (meshCount == 0)
{
throw new Exception("No Editable_Mesh objects detected!");
}
if (Maxscript.QueryBoolean("keys.Count == 0"))
{
throw new Exception("Could not acquire animation keys!");
}
brg.Header.NumMeshes = Maxscript.QueryInteger("keys.Count");
brg.Animation = new Animation();
for (int i = 1; i <= brg.Header.NumMeshes; ++i)
{
brg.Animation.MeshKeys.Add(Maxscript.QueryFloat("keys[{0}]", i));
}
if (brg.Header.NumMeshes == 1)
{
brg.Animation.Duration = 0;
}
else
{
brg.Animation.Duration = Maxscript.QueryFloat("(animationRange.end.ticks - animationRange.start.ticks) / 4800.0");
}
brg.Animation.TimeStep = brg.Animation.Duration / (float)brg.Header.NumMeshes;
string mainObject = "mainObject";
brg.Materials = new List<BrgMaterial>();
brg.Meshes = new List<BrgMesh>(brg.Header.NumMeshes);
for (int m = 0; m < meshCount; ++m)
{
Maxscript.Command("{0} = brgMeshes[{1}]", mainObject, m + 1);
// Materials
Dictionary<int, int> matIdMapping = new Dictionary<int, int>();
if (Maxscript.QueryBoolean("classof {0}.material == Multimaterial", mainObject))
{
brg.Header.NumMaterials = Maxscript.QueryInteger("{0}.material.materialList.count", mainObject);
for (int i = 0; i < brg.Header.NumMaterials; i++)
{
BrgMaterial mat = new BrgMaterial(brg);
mat.Id = brg.Materials.Count + 1;
Maxscript.Command("mat = {0}.material.materialList[{1}]", mainObject, i + 1);
this.ExportBrgMaterial(mainObject, mat);
int matListIndex = brg.Materials.IndexOf(mat);
int actualMatId = Maxscript.QueryInteger("{0}.material.materialIdList[{1}]", mainObject, i + 1);
if (matListIndex >= 0)
{
if (!matIdMapping.ContainsKey(actualMatId))
{
matIdMapping.Add(actualMatId, brg.Materials[matListIndex].Id);
}
}
else
{
brg.Materials.Add(mat);
if (matIdMapping.ContainsKey(actualMatId))
{
matIdMapping[actualMatId] = mat.Id;
}
else
{
matIdMapping.Add(actualMatId, mat.Id);
}
}
}
}
else if (Maxscript.QueryBoolean("classof {0}.material == Standardmaterial", mainObject))
{
BrgMaterial mat = new BrgMaterial(brg);
mat.Id = brg.Materials.Count + 1;
Maxscript.Command("mat = {0}.material", mainObject);
this.ExportBrgMaterial(mainObject, mat);
int matListIndex = brg.Materials.IndexOf(mat);
if (matListIndex >= 0)
{
matIdMapping.Add(1, brg.Materials[matListIndex].Id);
}
else
{
brg.Materials.Add(mat);
matIdMapping.Add(1, mat.Id);
}
}
else
{
if (flags.HasFlag(BrgMeshFlag.MATERIAL))
{
throw new Exception("Not all meshes have a material applied! " + Maxscript.QueryString("{0}.name", mainObject));
}
}
// Mesh Animations
for (int i = 0; i < brg.Header.NumMeshes; i++)
{
if (i > 0)
{
if (m == 0)
{
BrgMesh mesh = new BrgMesh(brg);
mesh.Vertices = new List<Vector3D>(totalNumVerts);
mesh.Normals = new List<Vector3D>(totalNumVerts);
mesh.TextureCoordinates = new List<Vector3D>(totalNumVerts);
mesh.Faces = new List<Face>(totalNumFaces);
brg.Meshes[0].MeshAnimations.Add(mesh);
}
brg.UpdateMeshSettings(i, flags, format, animationType, interpolationType);
this.ExportBrgMesh(mainObject, (BrgMesh)brg.Meshes[0].MeshAnimations[i - 1], brg.Animation.MeshKeys[i], matIdMapping);
}
else
{
if (m == 0)
{
BrgMesh mesh = new BrgMesh(brg);
mesh.Vertices = new List<Vector3D>(totalNumVerts);
mesh.Normals = new List<Vector3D>(totalNumVerts);
mesh.TextureCoordinates = new List<Vector3D>(totalNumVerts);
mesh.Faces = new List<Face>(totalNumFaces);
brg.Meshes.Add(mesh);
}
brg.UpdateMeshSettings(i, flags, format, animationType, interpolationType);
this.ExportBrgMesh(mainObject, brg.Meshes[i], brg.Animation.MeshKeys[i], matIdMapping);
}
}
}
// Export Attachpoints, and Update some Mesh data
HashSet<int> usedFaceMaterials = new HashSet<int>();
string attachDummy = Maxscript.NewArray("attachDummy");
Maxscript.Command("{0} = for helpObj in ($helpers/Dummy_*) where classof helpObj == Dummy collect helpObj", attachDummy);//"$helpers/Dummy_* as array");
for (int i = 0; i < brg.Header.NumMeshes; i++)
{
BrgMesh mesh;
if (i > 0)
{
mesh = (BrgMesh)brg.Meshes[0].MeshAnimations[i - 1];
}
else
{
mesh = brg.Meshes[i];
}
this.ExportAttachpoints(attachDummy, mesh, brg.Animation.MeshKeys[i]);
HashSet<int> diffFaceMats = new HashSet<int>();
if (!mesh.Header.Flags.HasFlag(BrgMeshFlag.SECONDARYMESH) &&
mesh.Header.Flags.HasFlag(BrgMeshFlag.MATERIAL))
{
for (int j = 0; j < mesh.Faces.Count; ++j)
{
diffFaceMats.Add(mesh.Faces[j].MaterialIndex);
}
if (diffFaceMats.Count > 0)
{
mesh.ExtendedHeader.NumMaterials = (byte)(diffFaceMats.Count - 1);
mesh.ExtendedHeader.NumUniqueMaterials = diffFaceMats.Count;
}
}
usedFaceMaterials.UnionWith(diffFaceMats);
mesh.ExtendedHeader.AnimationLength = this.File.Animation.Duration;
}
List<BrgMaterial> usedMats = new List<BrgMaterial>(brg.Materials.Count);
for (int i = 0; i < brg.Materials.Count; ++i)
{
if (usedFaceMaterials.Contains(brg.Materials[i].Id))
{
usedMats.Add(brg.Materials[i]);
}
}
brg.Materials = usedMats;
brg.Header.NumMaterials = brg.Materials.Count;
//Maxscript.Command("print heapSize");
Maxscript.Command("exportEndTime = timeStamp()");
Maxscript.Format("Export took % seconds\n", "((exportEndTime - exportStartTime) / 1000.0)");
}
