IGMatrix WithNoScale(IGMatrix mat)
{
var mat3 = mat.ExtractMatrix3();
mat3.NoScale();
return(Loader.Global.GMatrix.Create(mat3));
}
/// <summary>
/// Export the bones and their animation for the given skin
/// </summary>
/// <param name="skin">The skin to export</param>
/// <returns></returns>
private BabylonBone[] ExportBones(IIGameSkin skin)
{
List <BabylonBone> bones = new List <BabylonBone>();
List <int> nodeIndices = GetNodeIndices(skin);
List <IIGameNode> revelantNodes = GetSkinnedBones(skin);
foreach (IIGameNode node in revelantNodes)
{
int parentIndex = (node.NodeParent == null) ? -1 : nodeIndices.IndexOf(node.NodeParent.NodeID);
string boneId = node.MaxNode.GetGuid().ToString();
// create the bone
BabylonBone bone = new BabylonBone()
{
id = (isGltfExported)?boneId:boneId + "-bone",// the suffix "-bone" is added in babylon export format to assure the uniqueness of IDs
parentNodeId = (parentIndex != -1)?node.NodeParent.MaxNode.GetGuid().ToString():null,
name = node.Name,
index = nodeIndices.IndexOf(node.NodeID),
parentBoneIndex = parentIndex,
matrix = (parentIndex == -1)?node.GetWorldTM(0).ToArray():node.GetLocalTM(0).ToArray()
};
// Apply unit conversion factor to meter
// Affect translation only
bone.matrix[12] *= scaleFactorToMeters;
bone.matrix[13] *= scaleFactorToMeters;
bone.matrix[14] *= scaleFactorToMeters;
if (exportParameters.exportAnimations)
{
// export its animation
var babylonAnimation = ExportMatrixAnimation("_matrix", key =>
{
IGMatrix mat = node.GetLocalTM(key);
float[] matrix = mat.ToArray();
// Apply unit conversion factor to meter
// Affect translation only
matrix[12] *= scaleFactorToMeters;
matrix[13] *= scaleFactorToMeters;
matrix[14] *= scaleFactorToMeters;
return(matrix);
},
false); // Do not remove linear animation keys for bones
if (babylonAnimation != null)
{
babylonAnimation.name = node.Name + "Animation"; // override default animation name
bone.animation = babylonAnimation;
}
}
bones.Add(bone);
}
return(bones.ToArray());
}
public static CurveHandle GetCurve(IINode _node, int[] _frames, int _f, int _samplingRate)
{
CurveHandle result = new CurveHandle(Vector2.Zero, Vector2.Zero);
IIGameNode _GNode = maxGlobal.IGameInterface.GetIGameNode(_node);
int _ticks_per_frame = maxGlobal.TicksPerFrame;
float delta = 0.0f;
if (_f > 0)
{
List <Vector3> _samples = new List <Vector3>();
int nb_of_frames = _frames[_f] - _frames[_f - 1];
for (int i = _frames[_f - 1]; i <= _frames[_f]; i += _samplingRate)
{
float proportion = 1.0f - ((_frames[_f] - i) / (float)(nb_of_frames));
IGMatrix _node_LGmatrix = _GNode.GetLocalTM(i * _ticks_per_frame);
DualQuaternion _node_LDQ = _node_LGmatrix.convertToDQ(Transformation.Rotation);
_samples.Add(new Vector3(proportion, Math.Abs(_node_LDQ.RollPitchYaw.X) + Math.Abs(_node_LDQ.RollPitchYaw.Y) + Math.Abs(_node_LDQ.RollPitchYaw.Z), 0));
}
List <BezierCurveFitting.BezierPoint> points = BezierCurveFitting.FitCurves.FitCurveBy(BezierCurveFitting.Method.Length, _samples.ToArray(), 0.01f, 2);
delta = points[1].point.Y - points[0].point.Y;
float val = points[1].foreHandle.Value.X;
if (delta != 0)
{
val = (points[1].point.Y - points[1].foreHandle.Value.Y) / delta;
}
result.easeIn = new Vector2(points[1].foreHandle.Value.X, val);
}
else if (_f == 0)
{
result.easeIn = new Vector2(0.0f, 0.0f);
}
if (_f < _frames.Length - 1)
{
List <Vector3> _samples = new List <Vector3>();
int nb_of_frames = _frames[_f + 1] - _frames[_f];
for (int i = _frames[_f]; i <= _frames[_f + 1]; i += _samplingRate)
{
float proportion = 1.0f - ((_frames[_f + 1] - i) / (float)(nb_of_frames));
IGMatrix _node_LGmatrix = _GNode.GetLocalTM(i * _ticks_per_frame);
DualQuaternion _node_LDQ = _node_LGmatrix.convertToDQ(Transformation.Rotation);
_samples.Add(new Vector3(proportion, Math.Abs(_node_LDQ.RollPitchYaw.X) + Math.Abs(_node_LDQ.RollPitchYaw.Y) + Math.Abs(_node_LDQ.RollPitchYaw.Z), 0));
}
List <BezierCurveFitting.BezierPoint> points = BezierCurveFitting.FitCurves.FitCurveBy(BezierCurveFitting.Method.Length, _samples.ToArray(), 0.01f, 2);
delta = points[1].point.Y - points[0].point.Y;
float val = points[0].afterHandle.Value.X;
if (delta != 0)
{
val = (points[1].point.Y - points[0].afterHandle.Value.Y) / delta;
}
result.easeOut = new Vector2(points[0].afterHandle.Value.X, val);
}
else if (_f == _frames.Length - 1)
{
result.easeOut = new Vector2(1f, 1f);
}
return(result);
}
public static DualQuaternion convertToDQ(this IGMatrix _input)
{
Matrix _matrix = new Matrix(_input.GetRow(0).X, _input.GetRow(0).Y, _input.GetRow(0).Z, 0, _input.GetRow(1).X, _input.GetRow(1).Y, _input.GetRow(1).Z, 0, _input.GetRow(2).X, _input.GetRow(2).Y, _input.GetRow(2).Z, 0, _input.GetRow(3).X, _input.GetRow(3).Y, _input.GetRow(3).Z, 1);
Quaternion _node_LQ;
Vector3 _node_LS;
Vector3 _node_LT;
_matrix.Decompose(out _node_LS, out _node_LQ, out _node_LT);
DualQuaternion _output = new DualQuaternion(_node_LQ, _node_LT);
return(_output);
}
public ROD_ExportG()
{
maxGlobal = Autodesk.Max.GlobalInterface.Instance;
maxInterface = maxGlobal.COREInterface14;
IPoint3 U = maxGlobal.Point3.Create(1.0, 0.0, 0.0);
IPoint3 V = maxGlobal.Point3.Create(0.0, 0.0, 1.0);
IPoint3 N = maxGlobal.Point3.Create(0.0, -1.0, 0.0);
IPoint3 T = maxGlobal.Point3.Create(0.0, 0.0, 0.0);
_leftHanded = maxGlobal.Matrix3.Create(U, V, N, T);
_GleftHanded = maxGlobal.GMatrix.Create(_leftHanded);
}
public static DualQuaternion GetBoneWorldDQ(IINode _node, int _frame)
{
IInterval interval = maxGlobal.Interval.Create();
interval.SetInfinite();
IIGameNode GNode = maxGlobal.IGameInterface.GetIGameNode(_node);
int _ticks_per_frame = maxGlobal.TicksPerFrame;
IGMatrix _node_Gmatrix = GNode.GetWorldTM(_frame * _ticks_per_frame);
DualQuaternion DQ = _node_Gmatrix.convertToDQ();
return(DQ);
}
public static float[] ToArray(this IGMatrix gmat)
{
//float eulX =0, eulY=0, eulZ=0;
//unsafe
//{
// gmat.Rotation.GetEuler( new IntPtr(&eulX), new IntPtr(&eulY), new IntPtr(&eulZ));
//}
//return (Matrix.Scaling(gmat.Scaling.X, gmat.Scaling.Y, gmat.Scaling.Z) * Matrix.RotationYawPitchRoll(eulY, eulX, eulZ) * Matrix.Translation(gmat.Translation.X, gmat.Translation.Y, gmat.Translation.Z)).ToArray();
var r0 = gmat.GetRow(0);
var r1 = gmat.GetRow(1);
var r2 = gmat.GetRow(2);
var r3 = gmat.GetRow(3);
return new float[] {r0.X, r0.Y, r0.Z, r0.W,
r1.X, r1.Y,r1.Z, r1.W,
r2.X, r2.Y,r2.Z, r2.W,
r3.X, r3.Y,r3.Z, r3.W,};
}
public static DualQuaternion GetBoneLocalDQ(IINode _node, int[] _frames, int _f)
{
IINode _parent_node = _node.ParentNode;
IIGameNode _GNode = maxGlobal.IGameInterface.GetIGameNode(_node);
IIGameNode _parentGNode = maxGlobal.IGameInterface.GetIGameNode(_parent_node);
int _ticks_per_frame = maxGlobal.TicksPerFrame;
// node Local Transform
IGMatrix _node_LGmatrix = _GNode.GetLocalTM(_frames[_f] * _ticks_per_frame);
DualQuaternion _node_LDQ = _node_LGmatrix.convertToDQ(Transformation.Rotation);
_node_LDQ.Normalize();
IGMatrix _node_BLGmatrix = _GNode.GetLocalTM(0);
DualQuaternion _node_BLDQ = _node_BLGmatrix.convertToDQ(Transformation.Rotation);
_node_BLDQ.Normalize();
DualQuaternion _node_LTDQL = _node_LDQ * DualQuaternion.Conjugate(_node_BLDQ);
return(_node_LTDQL);
}
public static DualQuaternion convertToDQ(this IGMatrix _input, Transformation _transformation)
{
Matrix _matrix = new Matrix(_input.GetRow(0).X, _input.GetRow(0).Y, _input.GetRow(0).Z, 0, _input.GetRow(1).X, _input.GetRow(1).Y, _input.GetRow(1).Z, 0, _input.GetRow(2).X, _input.GetRow(2).Y, _input.GetRow(2).Z, 0, _input.GetRow(3).X, _input.GetRow(3).Y, _input.GetRow(3).Z, 1);
Quaternion _node_LQ;
Vector3 _node_LS;
Vector3 _node_LT;
_matrix.Decompose(out _node_LS, out _node_LQ, out _node_LT);
DualQuaternion _output = DualQuaternion.Identity;
if (_transformation == Transformation.All)
{
_output = new DualQuaternion(_node_LQ, _node_LT);
}
if (_transformation == Transformation.Rotation)
{
_output = new DualQuaternion(_node_LQ, Vector3.Zero);
}
if (_transformation == Transformation.Translation)
{
_output = new DualQuaternion(Quaternion.Identity, _node_LT);
}
return(_output);
}
private BabylonNode ExportMesh(IIGameScene scene, IIGameNode meshNode, BabylonScene babylonScene)
{
if (IsMeshExportable(meshNode) == false)
{
return(null);
}
RaiseMessage(meshNode.Name, 1);
// Instances
var tabs = Loader.Global.NodeTab.Create();
Loader.Global.IInstanceMgr.InstanceMgr.GetInstances(meshNode.MaxNode, tabs);
if (tabs.Count > 1)
{
// For a mesh with instances, we distinguish between master and instance meshes:
// - a master mesh stores all the info of the mesh (transform, hierarchy, animations + vertices, indices, materials, bones...)
// - an instance mesh only stores the info of the node (transform, hierarchy, animations)
// Check if this mesh has already been exported
BabylonMesh babylonMasterMesh = null;
var index = 0;
while (babylonMasterMesh == null &&
index < tabs.Count)
{
#if MAX2017
var indexer = index;
#else
var indexer = new IntPtr(index);
#endif
var tab = tabs[indexer];
babylonMasterMesh = babylonScene.MeshesList.Find(_babylonMesh => {
// Same id
return(_babylonMesh.id == tab.GetGuid().ToString() &&
// Mesh is not a dummy
_babylonMesh.isDummy == false);
});
index++;
}
if (babylonMasterMesh != null)
{
// Mesh already exported
// Export this node as instance
meshNode.MaxNode.MarkAsInstance();
var babylonInstanceMesh = new BabylonAbstractMesh {
name = meshNode.Name, id = meshNode.MaxNode.GetGuid().ToString()
};
// Add instance to master mesh
List <BabylonAbstractMesh> list = babylonMasterMesh.instances != null?babylonMasterMesh.instances.ToList() : new List <BabylonAbstractMesh>();
list.Add(babylonInstanceMesh);
babylonMasterMesh.instances = list.ToArray();
// Export transform / hierarchy / animations
exportNode(babylonInstanceMesh, meshNode, scene, babylonScene);
// Animations
exportAnimation(babylonInstanceMesh, meshNode);
return(babylonInstanceMesh);
}
}
var gameMesh = meshNode.IGameObject.AsGameMesh();
bool initialized = gameMesh.InitializeData; // needed, the property is in fact a method initializing the exporter that has wrongly been auto
// translated into a property because it has no parameters
var babylonMesh = new BabylonMesh {
name = meshNode.Name, id = meshNode.MaxNode.GetGuid().ToString()
};
// Position / rotation / scaling / hierarchy
exportNode(babylonMesh, meshNode, scene, babylonScene);
// Sounds
var soundName = meshNode.MaxNode.GetStringProperty("babylonjs_sound_filename", "");
if (!string.IsNullOrEmpty(soundName))
{
var filename = Path.GetFileName(soundName);
var meshSound = new BabylonSound
{
name = filename,
autoplay = meshNode.MaxNode.GetBoolProperty("babylonjs_sound_autoplay", 1),
loop = meshNode.MaxNode.GetBoolProperty("babylonjs_sound_loop", 1),
volume = meshNode.MaxNode.GetFloatProperty("babylonjs_sound_volume", 1.0f),
playbackRate = meshNode.MaxNode.GetFloatProperty("babylonjs_sound_playbackrate", 1.0f),
connectedMeshId = babylonMesh.id,
isDirectional = false,
spatialSound = false,
distanceModel = meshNode.MaxNode.GetStringProperty("babylonjs_sound_distancemodel", "linear"),
maxDistance = meshNode.MaxNode.GetFloatProperty("babylonjs_sound_maxdistance", 100f),
rolloffFactor = meshNode.MaxNode.GetFloatProperty("babylonjs_sound_rolloff", 1.0f),
refDistance = meshNode.MaxNode.GetFloatProperty("babylonjs_sound_refdistance", 1.0f),
};
var isDirectional = meshNode.MaxNode.GetBoolProperty("babylonjs_sound_directional");
if (isDirectional)
{
meshSound.isDirectional = true;
meshSound.coneInnerAngle = meshNode.MaxNode.GetFloatProperty("babylonjs_sound_coneinnerangle", 360f);
meshSound.coneOuterAngle = meshNode.MaxNode.GetFloatProperty("babylonjs_sound_coneouterangle", 360f);
meshSound.coneOuterGain = meshNode.MaxNode.GetFloatProperty("babylonjs_sound_coneoutergain", 1.0f);
}
babylonScene.SoundsList.Add(meshSound);
if (isBabylonExported)
{
try
{
File.Copy(soundName, Path.Combine(babylonScene.OutputPath, filename), true);
}
catch
{
}
}
}
// Misc.
#if MAX2017
babylonMesh.isVisible = meshNode.MaxNode.Renderable;
babylonMesh.receiveShadows = meshNode.MaxNode.RcvShadows;
babylonMesh.applyFog = meshNode.MaxNode.ApplyAtmospherics;
#else
babylonMesh.isVisible = meshNode.MaxNode.Renderable == 1;
babylonMesh.receiveShadows = meshNode.MaxNode.RcvShadows == 1;
babylonMesh.applyFog = meshNode.MaxNode.ApplyAtmospherics == 1;
#endif
babylonMesh.pickable = meshNode.MaxNode.GetBoolProperty("babylonjs_checkpickable");
babylonMesh.showBoundingBox = meshNode.MaxNode.GetBoolProperty("babylonjs_showboundingbox");
babylonMesh.showSubMeshesBoundingBox = meshNode.MaxNode.GetBoolProperty("babylonjs_showsubmeshesboundingbox");
babylonMesh.alphaIndex = (int)meshNode.MaxNode.GetFloatProperty("babylonjs_alphaindex", 1000);
// Actions
babylonMesh.actions = ExportNodeAction(meshNode);
// Collisions
babylonMesh.checkCollisions = meshNode.MaxNode.GetBoolProperty("babylonjs_checkcollisions");
var isSkinned = gameMesh.IsObjectSkinned;
var skin = gameMesh.IGameSkin;
var unskinnedMesh = gameMesh;
IGMatrix skinInitPoseMatrix = Loader.Global.GMatrix.Create(Loader.Global.Matrix3.Create(true));
List <int> boneIds = null;
int maxNbBones = 0;
if (isSkinned)
{
bonesCount = skin.TotalSkinBoneCount;
var skinAlreadyStored = skins.Find(_skin => IsSkinEqualTo(_skin, skin));
if (skinAlreadyStored == null)
{
skins.Add(skin);
}
else
{
skin = skinAlreadyStored;
}
skinnedNodes.Add(meshNode);
babylonMesh.skeletonId = skins.IndexOf(skin);
skin.GetInitSkinTM(skinInitPoseMatrix);
boneIds = SortBones(skin);
skinSortedBones[skin] = boneIds;
}
// Mesh
if (unskinnedMesh.IGameType == Autodesk.Max.IGameObject.ObjectTypes.Mesh && unskinnedMesh.MaxMesh != null)
{
if (unskinnedMesh.NumberOfFaces < 1)
{
RaiseError($"Mesh {babylonMesh.name} has no face", 2);
}
if (unskinnedMesh.NumberOfVerts < 3)
{
RaiseError($"Mesh {babylonMesh.name} has not enough vertices", 2);
}
if (unskinnedMesh.NumberOfVerts >= 65536)
{
RaiseWarning($"Mesh {babylonMesh.name} has tmore than 65536 vertices which means that it will require specific WebGL extension to be rendered. This may impact portability of your scene on low end devices.", 2);
}
if (skin != null)
{
for (var vertexIndex = 0; vertexIndex < unskinnedMesh.NumberOfVerts; vertexIndex++)
{
maxNbBones = Math.Max(maxNbBones, skin.GetNumberOfBones(vertexIndex));
}
}
// Physics
var impostorText = meshNode.MaxNode.GetStringProperty("babylonjs_impostor", "None");
if (impostorText != "None")
{
switch (impostorText)
{
case "Sphere":
babylonMesh.physicsImpostor = 1;
break;
case "Box":
babylonMesh.physicsImpostor = 2;
break;
case "Plane":
babylonMesh.physicsImpostor = 3;
break;
default:
babylonMesh.physicsImpostor = 0;
break;
}
babylonMesh.physicsMass = meshNode.MaxNode.GetFloatProperty("babylonjs_mass");
babylonMesh.physicsFriction = meshNode.MaxNode.GetFloatProperty("babylonjs_friction", 0.2f);
babylonMesh.physicsRestitution = meshNode.MaxNode.GetFloatProperty("babylonjs_restitution", 0.2f);
}
// Material
var mtl = meshNode.NodeMaterial;
var multiMatsCount = 1;
if (mtl != null)
{
babylonMesh.materialId = mtl.MaxMaterial.GetGuid().ToString();
if (!referencedMaterials.Contains(mtl))
{
referencedMaterials.Add(mtl);
}
multiMatsCount = Math.Max(mtl.SubMaterialCount, 1);
}
babylonMesh.visibility = meshNode.MaxNode.GetVisibility(0, Tools.Forever);
var vertices = new List <GlobalVertex>();
var indices = new List <int>();
var mappingChannels = unskinnedMesh.ActiveMapChannelNum;
bool hasUV = false;
bool hasUV2 = false;
for (int i = 0; i < mappingChannels.Count; ++i)
{
#if MAX2017
var indexer = i;
#else
var indexer = new IntPtr(i);
#endif
var channelNum = mappingChannels[indexer];
if (channelNum == 1)
{
hasUV = true;
}
else if (channelNum == 2)
{
hasUV2 = true;
}
}
var hasColor = unskinnedMesh.NumberOfColorVerts > 0;
var hasAlpha = unskinnedMesh.GetNumberOfMapVerts(-2) > 0;
var optimizeVertices = meshNode.MaxNode.GetBoolProperty("babylonjs_optimizevertices");
// Compute normals
var subMeshes = new List <BabylonSubMesh>();
ExtractGeometry(vertices, indices, subMeshes, boneIds, skin, unskinnedMesh, hasUV, hasUV2, hasColor, hasAlpha, optimizeVertices, multiMatsCount, meshNode);
if (vertices.Count >= 65536)
{
RaiseWarning($"Mesh {babylonMesh.name} has {vertices.Count} vertices. This may prevent your scene to work on low end devices where 32 bits indice are not supported", 2);
if (!optimizeVertices)
{
RaiseError("You can try to optimize your object using [Try to optimize vertices] option", 2);
}
}
RaiseMessage($"{vertices.Count} vertices, {indices.Count/3} faces", 2);
// Buffers
babylonMesh.positions = vertices.SelectMany(v => new[] { v.Position.X, v.Position.Y, v.Position.Z }).ToArray();
babylonMesh.normals = vertices.SelectMany(v => new[] { v.Normal.X, v.Normal.Y, v.Normal.Z }).ToArray();
if (hasUV)
{
babylonMesh.uvs = vertices.SelectMany(v => new[] { v.UV.X, 1 - v.UV.Y }).ToArray();
}
if (hasUV2)
{
babylonMesh.uvs2 = vertices.SelectMany(v => new[] { v.UV2.X, 1 - v.UV2.Y }).ToArray();
}
if (skin != null)
{
babylonMesh.matricesWeights = vertices.SelectMany(v => v.Weights.ToArray()).ToArray();
babylonMesh.matricesIndices = vertices.Select(v => v.BonesIndices).ToArray();
babylonMesh.numBoneInfluencers = maxNbBones;
if (maxNbBones > 4)
{
babylonMesh.matricesWeightsExtra = vertices.SelectMany(v => v.WeightsExtra != null ? v.WeightsExtra.ToArray() : new[] { 0.0f, 0.0f, 0.0f, 0.0f }).ToArray();
babylonMesh.matricesIndicesExtra = vertices.Select(v => v.BonesIndicesExtra).ToArray();
}
}
if (hasColor)
{
babylonMesh.colors = vertices.SelectMany(v => v.Color.ToArray()).ToArray();
babylonMesh.hasVertexAlpha = hasAlpha;
}
babylonMesh.subMeshes = subMeshes.ToArray();
// Buffers - Indices
babylonMesh.indices = indices.ToArray();
// ------------------------
// ---- Morph targets -----
// ------------------------
// Retreive modifiers with morpher flag
List <IIGameModifier> modifiers = new List <IIGameModifier>();
for (int i = 0; i < meshNode.IGameObject.NumModifiers; i++)
{
var modifier = meshNode.IGameObject.GetIGameModifier(i);
if (modifier.ModifierType == Autodesk.Max.IGameModifier.ModType.Morpher)
{
modifiers.Add(modifier);
}
}
// Cast modifiers to morphers
List <IIGameMorpher> morphers = modifiers.ConvertAll(new Converter <IIGameModifier, IIGameMorpher>(modifier => modifier.AsGameMorpher()));
var hasMorphTarget = false;
morphers.ForEach(morpher =>
{
if (morpher.NumberOfMorphTargets > 0)
{
hasMorphTarget = true;
}
});
if (hasMorphTarget)
{
RaiseMessage("Export morph targets", 2);
// Morph Target Manager
var babylonMorphTargetManager = new BabylonMorphTargetManager();
babylonScene.MorphTargetManagersList.Add(babylonMorphTargetManager);
babylonMesh.morphTargetManagerId = babylonMorphTargetManager.id;
// Morph Targets
var babylonMorphTargets = new List <BabylonMorphTarget>();
// All morphers are considered identical
// Their targets are concatenated
morphers.ForEach(morpher =>
{
for (int i = 0; i < morpher.NumberOfMorphTargets; i++)
{
// Morph target
var maxMorphTarget = morpher.GetMorphTarget(i);
// Ensure target still exists (green color legend)
if (maxMorphTarget != null)
{
var babylonMorphTarget = new BabylonMorphTarget
{
name = maxMorphTarget.Name
};
babylonMorphTargets.Add(babylonMorphTarget);
// TODO - Influence
babylonMorphTarget.influence = 0f;
// Target geometry
var targetVertices = ExtractVertices(maxMorphTarget, optimizeVertices);
babylonMorphTarget.positions = targetVertices.SelectMany(v => new[] { v.Position.X, v.Position.Y, v.Position.Z }).ToArray();
babylonMorphTarget.normals = targetVertices.SelectMany(v => new[] { v.Normal.X, v.Normal.Y, v.Normal.Z }).ToArray();
// Animations
var animations = new List <BabylonAnimation>();
var morphWeight = morpher.GetMorphWeight(i);
ExportFloatGameController(morphWeight, "influence", animations);
if (animations.Count > 0)
{
babylonMorphTarget.animations = animations.ToArray();
}
}
}
});
babylonMorphTargetManager.targets = babylonMorphTargets.ToArray();
}
}
// Animations
// Done last to avoid '0 vertex found' error (unkown cause)
exportAnimation(babylonMesh, meshNode);
babylonScene.MeshesList.Add(babylonMesh);
return(babylonMesh);
}
private void ExportMesh(IIGameScene scene, IIGameNode meshNode, BabylonScene babylonScene)
{
if (meshNode.MaxNode.IsInstance())
{
return;
}
if (meshNode.MaxNode.GetBoolProperty("babylonjs_noexport"))
{
return;
}
if (!ExportHiddenObjects && meshNode.MaxNode.IsHidden(NodeHideFlags.None, false))
{
return;
}
var gameMesh = meshNode.IGameObject.AsGameMesh();
bool initialized = gameMesh.InitializeData; //needed, the property is in fact a method initializing the exporter that has wrongly been auto
// translated into a property because it has no parameters
var babylonMesh = new BabylonMesh {
name = meshNode.Name, id = meshNode.MaxNode.GetGuid().ToString()
};
if (meshNode.NodeParent != null)
{
babylonMesh.parentId = GetParentID(meshNode.NodeParent, babylonScene, scene);
}
// Sounds
var soundName = meshNode.MaxNode.GetStringProperty("babylonjs_sound_filename", "");
if (!string.IsNullOrEmpty(soundName))
{
var filename = Path.GetFileName(soundName);
var meshSound = new BabylonSound
{
name = filename,
autoplay = meshNode.MaxNode.GetBoolProperty("babylonjs_sound_autoplay", 1),
loop = meshNode.MaxNode.GetBoolProperty("babylonjs_sound_loop", 1),
volume = meshNode.MaxNode.GetFloatProperty("babylonjs_sound_volume", 1.0f),
playbackRate = meshNode.MaxNode.GetFloatProperty("babylonjs_sound_playbackrate", 1.0f),
connectedMeshId = babylonMesh.id,
isDirectional = false,
spatialSound = false,
distanceModel = meshNode.MaxNode.GetStringProperty("babylonjs_sound_distancemodel", "linear"),
maxDistance = meshNode.MaxNode.GetFloatProperty("babylonjs_sound_maxdistance", 100f),
rolloffFactor = meshNode.MaxNode.GetFloatProperty("babylonjs_sound_rolloff", 1.0f),
refDistance = meshNode.MaxNode.GetFloatProperty("babylonjs_sound_refdistance", 1.0f),
};
var isDirectional = meshNode.MaxNode.GetBoolProperty("babylonjs_sound_directional");
if (isDirectional)
{
meshSound.isDirectional = true;
meshSound.coneInnerAngle = meshNode.MaxNode.GetFloatProperty("babylonjs_sound_coneinnerangle", 360f);
meshSound.coneOuterAngle = meshNode.MaxNode.GetFloatProperty("babylonjs_sound_coneouterangle", 360f);
meshSound.coneOuterGain = meshNode.MaxNode.GetFloatProperty("babylonjs_sound_coneoutergain", 1.0f);
}
babylonScene.SoundsList.Add(meshSound);
try
{
File.Copy(soundName, Path.Combine(babylonScene.OutputPath, filename), true);
}
catch
{
}
}
// Misc.
#if MAX2017
babylonMesh.isVisible = meshNode.MaxNode.Renderable;
babylonMesh.receiveShadows = meshNode.MaxNode.RcvShadows;
babylonMesh.applyFog = meshNode.MaxNode.ApplyAtmospherics;
#else
babylonMesh.isVisible = meshNode.MaxNode.Renderable == 1;
babylonMesh.receiveShadows = meshNode.MaxNode.RcvShadows == 1;
babylonMesh.applyFog = meshNode.MaxNode.ApplyAtmospherics == 1;
#endif
babylonMesh.pickable = meshNode.MaxNode.GetBoolProperty("babylonjs_checkpickable");
babylonMesh.showBoundingBox = meshNode.MaxNode.GetBoolProperty("babylonjs_showboundingbox");
babylonMesh.showSubMeshesBoundingBox = meshNode.MaxNode.GetBoolProperty("babylonjs_showsubmeshesboundingbox");
babylonMesh.alphaIndex = (int)meshNode.MaxNode.GetFloatProperty("babylonjs_alphaindex", 1000);
// Actions
babylonMesh.actions = ExportNodeAction(meshNode);
// Collisions
babylonMesh.checkCollisions = meshNode.MaxNode.GetBoolProperty("babylonjs_checkcollisions");
var isSkinned = gameMesh.IsObjectSkinned;
var skin = gameMesh.IGameSkin;
var unskinnedMesh = gameMesh;
IGMatrix skinInitPoseMatrix = Loader.Global.GMatrix.Create(Loader.Global.Matrix3.Create(true));
List <int> boneIds = null;
int maxNbBones = 0;
if (isSkinned)
{
bonesCount = skin.TotalSkinBoneCount;
skins.Add(skin);
skinnedNodes.Add(meshNode);
babylonMesh.skeletonId = skins.IndexOf(skin);
skin.GetInitSkinTM(skinInitPoseMatrix);
boneIds = SortBones(skin);
skinSortedBones[skin] = boneIds;
}
// Position / rotation / scaling
var localTM = meshNode.GetObjectTM(0);
if (meshNode.NodeParent != null)
{
var parentWorld = meshNode.NodeParent.GetObjectTM(0);
localTM.MultiplyBy(parentWorld.Inverse);
}
var meshTrans = localTM.Translation;
var meshRotation = localTM.Rotation;
var meshScale = localTM.Scaling;
var exportQuaternions = Loader.Core.RootNode.GetBoolProperty("babylonjs_exportquaternions");
babylonMesh.position = new[] { meshTrans.X, meshTrans.Y, meshTrans.Z };
if (exportQuaternions)
{
babylonMesh.rotationQuaternion = new[] { meshRotation.X, meshRotation.Y, meshRotation.Z, -meshRotation.W };
}
else
{
RotationToEulerAngles(babylonMesh, meshRotation);
}
babylonMesh.scaling = new[] { meshScale.X, meshScale.Y, meshScale.Z };
// Mesh
RaiseMessage(meshNode.Name, 1);
if (unskinnedMesh.IGameType == Autodesk.Max.IGameObject.ObjectTypes.Mesh && unskinnedMesh.MaxMesh != null)
{
if (unskinnedMesh.NumberOfFaces < 1)
{
RaiseError($"Mesh {babylonMesh.name} has no face", 2);
}
if (unskinnedMesh.NumberOfVerts < 3)
{
RaiseError($"Mesh {babylonMesh.name} has not enough vertices", 2);
}
if (unskinnedMesh.NumberOfVerts >= 65536)
{
RaiseWarning($"Mesh {babylonMesh.name} has tmore than 65536 vertices which means that it will require specific WebGL extension to be rendered. This may impact portability of your scene on low end devices.", 2);
}
if (skin != null)
{
for (var vertexIndex = 0; vertexIndex < unskinnedMesh.NumberOfVerts; vertexIndex++)
{
maxNbBones = Math.Max(maxNbBones, skin.GetNumberOfBones(vertexIndex));
}
}
// Physics
var impostorText = meshNode.MaxNode.GetStringProperty("babylonjs_impostor", "None");
if (impostorText != "None")
{
switch (impostorText)
{
case "Sphere":
babylonMesh.physicsImpostor = 1;
break;
case "Box":
babylonMesh.physicsImpostor = 2;
break;
case "Plane":
babylonMesh.physicsImpostor = 3;
break;
default:
babylonMesh.physicsImpostor = 0;
break;
}
babylonMesh.physicsMass = meshNode.MaxNode.GetFloatProperty("babylonjs_mass");
babylonMesh.physicsFriction = meshNode.MaxNode.GetFloatProperty("babylonjs_friction", 0.2f);
babylonMesh.physicsRestitution = meshNode.MaxNode.GetFloatProperty("babylonjs_restitution", 0.2f);
}
// Material
var mtl = meshNode.NodeMaterial;
var multiMatsCount = 1;
if (mtl != null)
{
babylonMesh.materialId = mtl.MaxMaterial.GetGuid().ToString();
if (!referencedMaterials.Contains(mtl))
{
referencedMaterials.Add(mtl);
}
multiMatsCount = Math.Max(mtl.SubMaterialCount, 1);
}
babylonMesh.visibility = meshNode.MaxNode.GetVisibility(0, Tools.Forever);
var vertices = new List <GlobalVertex>();
var indices = new List <int>();
var mappingChannels = unskinnedMesh.ActiveMapChannelNum;
bool hasUV = false;
bool hasUV2 = false;
for (int i = 0; i < mappingChannels.Count; ++i)
{
#if MAX2017
var indexer = i;
#else
var indexer = new IntPtr(i);
#endif
var channelNum = mappingChannels[indexer];
if (channelNum == 1)
{
hasUV = true;
}
else if (channelNum == 2)
{
hasUV2 = true;
}
}
var hasColor = unskinnedMesh.NumberOfColorVerts > 0;
var hasAlpha = unskinnedMesh.GetNumberOfMapVerts(-2) > 0;
var optimizeVertices = meshNode.MaxNode.GetBoolProperty("babylonjs_optimizevertices");
// Compute normals
List <GlobalVertex>[] verticesAlreadyExported = null;
if (optimizeVertices)
{
verticesAlreadyExported = new List <GlobalVertex> [unskinnedMesh.NumberOfVerts];
}
var subMeshes = new List <BabylonSubMesh>();
var indexStart = 0;
for (int i = 0; i < multiMatsCount; ++i)
{
int materialId = meshNode.NodeMaterial?.GetMaterialID(i) ?? 0;
var indexCount = 0;
var minVertexIndex = int.MaxValue;
var maxVertexIndex = int.MinValue;
var subMesh = new BabylonSubMesh {
indexStart = indexStart, materialIndex = i
};
if (multiMatsCount == 1)
{
for (int j = 0; j < unskinnedMesh.NumberOfFaces; ++j)
{
var face = unskinnedMesh.GetFace(j);
ExtractFace(skin, unskinnedMesh, vertices, indices, hasUV, hasUV2, hasColor, hasAlpha, verticesAlreadyExported, ref indexCount, ref minVertexIndex, ref maxVertexIndex, face, boneIds);
}
}
else
{
ITab <IFaceEx> materialFaces = unskinnedMesh.GetFacesFromMatID(materialId);
for (int j = 0; j < materialFaces.Count; ++j)
{
#if MAX2017
var faceIndexer = j;
#else
var faceIndexer = new IntPtr(j);
#endif
var face = materialFaces[faceIndexer];
#if !MAX2017
Marshal.FreeHGlobal(faceIndexer);
#endif
ExtractFace(skin, unskinnedMesh, vertices, indices, hasUV, hasUV2, hasColor, hasAlpha, verticesAlreadyExported, ref indexCount, ref minVertexIndex, ref maxVertexIndex, face, boneIds);
}
}
if (indexCount != 0)
{
subMesh.indexCount = indexCount;
subMesh.verticesStart = minVertexIndex;
subMesh.verticesCount = maxVertexIndex - minVertexIndex + 1;
indexStart += indexCount;
subMeshes.Add(subMesh);
}
}
if (vertices.Count >= 65536)
{
RaiseWarning($"Mesh {babylonMesh.name} has {vertices.Count} vertices. This may prevent your scene to work on low end devices where 32 bits indice are not supported", 2);
if (!optimizeVertices)
{
RaiseError("You can try to optimize your object using [Try to optimize vertices] option", 2);
}
}
RaiseMessage($"{vertices.Count} vertices, {indices.Count/3} faces", 2);
// Buffers
babylonMesh.positions = vertices.SelectMany(v => new[] { v.Position.X, v.Position.Y, v.Position.Z }).ToArray();
babylonMesh.normals = vertices.SelectMany(v => new[] { v.Normal.X, v.Normal.Y, v.Normal.Z }).ToArray();
if (hasUV)
{
babylonMesh.uvs = vertices.SelectMany(v => new[] { v.UV.X, 1 - v.UV.Y }).ToArray();
}
if (hasUV2)
{
babylonMesh.uvs2 = vertices.SelectMany(v => new[] { v.UV2.X, 1 - v.UV2.Y }).ToArray();
}
if (skin != null)
{
babylonMesh.matricesWeights = vertices.SelectMany(v => v.Weights.ToArray()).ToArray();
babylonMesh.matricesIndices = vertices.Select(v => v.BonesIndices).ToArray();
babylonMesh.numBoneInfluencers = maxNbBones;
if (maxNbBones > 4)
{
babylonMesh.matricesWeightsExtra = vertices.SelectMany(v => v.WeightsExtra != null ? v.WeightsExtra.ToArray() : new[] { 0.0f, 0.0f, 0.0f, 0.0f }).ToArray();
babylonMesh.matricesIndicesExtra = vertices.Select(v => v.BonesIndicesExtra).ToArray();
}
}
if (hasColor)
{
babylonMesh.colors = vertices.SelectMany(v => v.Color.ToArray()).ToArray();
babylonMesh.hasVertexAlpha = hasAlpha;
}
babylonMesh.subMeshes = subMeshes.ToArray();
// Buffers - Indices
babylonMesh.indices = indices.ToArray();
}
// Instances
var tabs = Loader.Global.NodeTab.Create();
Loader.Global.IInstanceMgr.InstanceMgr.GetInstances(meshNode.MaxNode, tabs);
var instances = new List <BabylonAbstractMesh>();
for (var index = 0; index < tabs.Count; index++)
{
#if MAX2017
var indexer = index;
#else
var indexer = new IntPtr(index);
#endif
var tab = tabs[indexer];
#if !MAX2017
Marshal.FreeHGlobal(indexer);
#endif
if (meshNode.MaxNode.GetGuid() == tab.GetGuid())
{
continue;
}
var instanceGameNode = scene.GetIGameNode(tab);
if (instanceGameNode == null)
{
continue;
}
tab.MarkAsInstance();
var instance = new BabylonAbstractMesh {
name = tab.Name
};
{
var instanceLocalTM = instanceGameNode.GetObjectTM(0);
var instanceTrans = instanceLocalTM.Translation;
var instanceRotation = instanceLocalTM.Rotation;
var instanceScale = instanceLocalTM.Scaling;
instance.position = new[] { instanceTrans.X, instanceTrans.Y, instanceTrans.Z };
if (exportQuaternions)
{
instance.rotationQuaternion = new[] { instanceRotation.X, instanceRotation.Y, instanceRotation.Z, -instanceRotation.W };
}
else
{
RotationToEulerAngles(instance, instanceRotation);
}
instance.scaling = new[] { instanceScale.X, instanceScale.Y, instanceScale.Z };
}
var instanceAnimations = new List <BabylonAnimation>();
GenerateCoordinatesAnimations(meshNode, instanceAnimations);
instance.animations = instanceAnimations.ToArray();
instances.Add(instance);
}
babylonMesh.instances = instances.ToArray();
// Animations
var animations = new List <BabylonAnimation>();
GenerateCoordinatesAnimations(meshNode, animations);
if (!ExportFloatController(meshNode.MaxNode.VisController, "visibility", animations))
{
ExportFloatAnimation("visibility", animations, key => new[] { meshNode.MaxNode.GetVisibility(key, Tools.Forever) });
}
babylonMesh.animations = animations.ToArray();
if (meshNode.MaxNode.GetBoolProperty("babylonjs_autoanimate", 1))
{
babylonMesh.autoAnimate = true;
babylonMesh.autoAnimateFrom = (int)meshNode.MaxNode.GetFloatProperty("babylonjs_autoanimate_from");
babylonMesh.autoAnimateTo = (int)meshNode.MaxNode.GetFloatProperty("babylonjs_autoanimate_to", 100);
babylonMesh.autoAnimateLoop = meshNode.MaxNode.GetBoolProperty("babylonjs_autoanimateloop", 1);
}
babylonScene.MeshesList.Add(babylonMesh);
}
public static Matrix convertTo(this IGMatrix _input)
{
Matrix _output = new Matrix(_input.GetRow(0).X, _input.GetRow(0).Y, _input.GetRow(0).Z, 0, _input.GetRow(1).X, _input.GetRow(1).Y, _input.GetRow(1).Z, 0, _input.GetRow(2).X, _input.GetRow(2).Y, _input.GetRow(2).Z, 0, _input.GetRow(3).X, _input.GetRow(3).Y, _input.GetRow(3).Z, 1);
return(_output);
}
IGMatrix WithNoScale(IGMatrix mat)
{
var mat3 = mat.ExtractMatrix3();
mat3.NoScale();
return Loader.Global.GMatrix.Create(mat3);
}
private BabylonNode ExportMasterMesh(IIGameScene scene, IIGameNode meshNode, BabylonScene babylonScene)
{
var gameMesh = meshNode.IGameObject.AsGameMesh();
try
{
bool initialized = gameMesh.InitializeData; // needed, the property is in fact a method initializing the exporter that has wrongly been auto
// translated into a property because it has no parameters
}
catch (Exception e)
{
RaiseWarning($"Mesh {meshNode.Name} failed to initialize. Mesh is exported as dummy.", 2);
return(ExportDummy(scene, meshNode, babylonScene));
}
var babylonMesh = new BabylonMesh {
name = meshNode.Name, id = meshNode.MaxNode.GetGuid().ToString()
};
// Position / rotation / scaling / hierarchy
exportNode(babylonMesh, meshNode, scene, babylonScene);
// Sounds
var soundName = meshNode.MaxNode.GetStringProperty("babylonjs_sound_filename", "");
if (!string.IsNullOrEmpty(soundName))
{
var filename = Path.GetFileName(soundName);
var meshSound = new BabylonSound
{
name = filename,
autoplay = meshNode.MaxNode.GetBoolProperty("babylonjs_sound_autoplay", 1),
loop = meshNode.MaxNode.GetBoolProperty("babylonjs_sound_loop", 1),
volume = meshNode.MaxNode.GetFloatProperty("babylonjs_sound_volume", 1.0f),
playbackRate = meshNode.MaxNode.GetFloatProperty("babylonjs_sound_playbackrate", 1.0f),
connectedMeshId = babylonMesh.id,
isDirectional = false,
spatialSound = false,
distanceModel = meshNode.MaxNode.GetStringProperty("babylonjs_sound_distancemodel", "linear"),
maxDistance = meshNode.MaxNode.GetFloatProperty("babylonjs_sound_maxdistance", 100f),
rolloffFactor = meshNode.MaxNode.GetFloatProperty("babylonjs_sound_rolloff", 1.0f),
refDistance = meshNode.MaxNode.GetFloatProperty("babylonjs_sound_refdistance", 1.0f),
};
var isDirectional = meshNode.MaxNode.GetBoolProperty("babylonjs_sound_directional");
if (isDirectional)
{
meshSound.isDirectional = true;
meshSound.coneInnerAngle = meshNode.MaxNode.GetFloatProperty("babylonjs_sound_coneinnerangle", 360f);
meshSound.coneOuterAngle = meshNode.MaxNode.GetFloatProperty("babylonjs_sound_coneouterangle", 360f);
meshSound.coneOuterGain = meshNode.MaxNode.GetFloatProperty("babylonjs_sound_coneoutergain", 1.0f);
}
babylonScene.SoundsList.Add(meshSound);
if (isBabylonExported)
{
try
{
File.Copy(soundName, Path.Combine(babylonScene.OutputPath, filename), true);
}
catch
{
}
}
}
// Misc.
#if MAX2017 || MAX2018 || MAX2019
babylonMesh.isVisible = meshNode.MaxNode.Renderable;
babylonMesh.receiveShadows = meshNode.MaxNode.RcvShadows;
babylonMesh.applyFog = meshNode.MaxNode.ApplyAtmospherics;
#else
babylonMesh.isVisible = meshNode.MaxNode.Renderable == 1;
babylonMesh.receiveShadows = meshNode.MaxNode.RcvShadows == 1;
babylonMesh.applyFog = meshNode.MaxNode.ApplyAtmospherics == 1;
#endif
babylonMesh.pickable = meshNode.MaxNode.GetBoolProperty("babylonjs_checkpickable");
babylonMesh.showBoundingBox = meshNode.MaxNode.GetBoolProperty("babylonjs_showboundingbox");
babylonMesh.showSubMeshesBoundingBox = meshNode.MaxNode.GetBoolProperty("babylonjs_showsubmeshesboundingbox");
babylonMesh.alphaIndex = (int)meshNode.MaxNode.GetFloatProperty("babylonjs_alphaindex", 1000);
// Collisions
babylonMesh.checkCollisions = meshNode.MaxNode.GetBoolProperty("babylonjs_checkcollisions");
// Skin
var isSkinned = gameMesh.IsObjectSkinned;
var skin = gameMesh.IGameSkin;
var unskinnedMesh = gameMesh;
IGMatrix skinInitPoseMatrix = Loader.Global.GMatrix.Create(Loader.Global.Matrix3.Create(true));
List <int> boneIds = null;
int maxNbBones = 0;
if (isSkinned && GetRelevantNodes(skin).Count > 0) // if the mesh has a skin with at least one bone
{
var skinAlreadyStored = skins.Find(_skin => IsSkinEqualTo(_skin, skin));
if (skinAlreadyStored == null)
{
skins.Add(skin);
babylonMesh.skeletonId = skins.IndexOf(skin);
}
else
{
babylonMesh.skeletonId = skins.IndexOf(skinAlreadyStored);
}
skin.GetInitSkinTM(skinInitPoseMatrix);
boneIds = GetNodeIndices(skin);
}
else
{
skin = null;
}
// Mesh
if (unskinnedMesh.IGameType == Autodesk.Max.IGameObject.ObjectTypes.Mesh && unskinnedMesh.MaxMesh != null)
{
if (unskinnedMesh.NumberOfFaces < 1)
{
RaiseError($"Mesh {babylonMesh.name} has no face", 2);
}
if (unskinnedMesh.NumberOfVerts < 3)
{
RaiseError($"Mesh {babylonMesh.name} has not enough vertices", 2);
}
if (unskinnedMesh.NumberOfVerts >= 65536)
{
RaiseWarning($"Mesh {babylonMesh.name} has tmore than 65536 vertices which means that it will require specific WebGL extension to be rendered. This may impact portability of your scene on low end devices.", 2);
}
if (skin != null)
{
for (var vertexIndex = 0; vertexIndex < unskinnedMesh.NumberOfVerts; vertexIndex++)
{
maxNbBones = Math.Max(maxNbBones, skin.GetNumberOfBones(vertexIndex));
}
}
// Physics
var impostorText = meshNode.MaxNode.GetStringProperty("babylonjs_impostor", "None");
if (impostorText != "None")
{
switch (impostorText)
{
case "Sphere":
babylonMesh.physicsImpostor = 1;
break;
case "Box":
babylonMesh.physicsImpostor = 2;
break;
case "Plane":
babylonMesh.physicsImpostor = 3;
break;
default:
babylonMesh.physicsImpostor = 0;
break;
}
babylonMesh.physicsMass = meshNode.MaxNode.GetFloatProperty("babylonjs_mass");
babylonMesh.physicsFriction = meshNode.MaxNode.GetFloatProperty("babylonjs_friction", 0.2f);
babylonMesh.physicsRestitution = meshNode.MaxNode.GetFloatProperty("babylonjs_restitution", 0.2f);
}
// Material
var mtl = meshNode.NodeMaterial;
var multiMatsCount = 1;
// The DirectXShader material is a passthrough to its render material.
// The shell material is a passthrough to its baked material.
while (mtl != null && (isShellMaterial(mtl) || isDirectXShaderMaterial(mtl)))
{
if (isShellMaterial(mtl))
{
// Retrieve the baked material from the shell material.
mtl = GetBakedMaterialFromShellMaterial(mtl);
}
else // isDirectXShaderMaterial(mtl)
{
// Retrieve the render material from the directX shader
mtl = GetRenderMaterialFromDirectXShader(mtl);
}
}
if (mtl != null)
{
IIGameMaterial unsupportedMaterial = isMaterialSupported(mtl);
if (unsupportedMaterial == null)
{
babylonMesh.materialId = mtl.MaxMaterial.GetGuid().ToString();
if (!referencedMaterials.Contains(mtl))
{
referencedMaterials.Add(mtl);
}
multiMatsCount = Math.Max(mtl.SubMaterialCount, 1);
}
else
{
if (mtl.SubMaterialCount == 0 || mtl == unsupportedMaterial)
{
RaiseWarning("Unsupported material type '" + unsupportedMaterial.MaterialClass + "'. Material is ignored.", 2);
}
else
{
RaiseWarning("Unsupported sub-material type '" + unsupportedMaterial.MaterialClass + "'. Material is ignored.", 2);
}
}
}
babylonMesh.visibility = meshNode.MaxNode.GetVisibility(0, Tools.Forever);
var vertices = new List <GlobalVertex>();
var indices = new List <int>();
var mappingChannels = unskinnedMesh.ActiveMapChannelNum;
bool hasUV = false;
bool hasUV2 = false;
for (int i = 0; i < mappingChannels.Count; ++i)
{
#if MAX2017 || MAX2018 || MAX2019
var channelNum = mappingChannels[i];
#else
var channelNum = mappingChannels[new IntPtr(i)];
#endif
if (channelNum == 1)
{
hasUV = true;
}
else if (channelNum == 2)
{
hasUV2 = true;
}
}
var hasColor = unskinnedMesh.NumberOfColorVerts > 0;
var hasAlpha = unskinnedMesh.GetNumberOfMapVerts(-2) > 0;
var optimizeVertices = meshNode.MaxNode.GetBoolProperty("babylonjs_optimizevertices");
var invertedWorldMatrix = GetInvertWorldTM(meshNode, 0);
var offsetTM = GetOffsetTM(meshNode, 0);
// Compute normals
var subMeshes = new List <BabylonSubMesh>();
List <int> faceIndexes = null;
ExtractGeometry(babylonMesh, vertices, indices, subMeshes, boneIds, skin, unskinnedMesh, invertedWorldMatrix, offsetTM, hasUV, hasUV2, hasColor, hasAlpha, optimizeVertices, multiMatsCount, meshNode, ref faceIndexes);
if (vertices.Count >= 65536)
{
RaiseWarning($"Mesh {babylonMesh.name} has {vertices.Count} vertices. This may prevent your scene to work on low end devices where 32 bits indice are not supported", 2);
if (!optimizeVertices)
{
RaiseError("You can try to optimize your object using [Try to optimize vertices] option", 2);
}
}
RaiseMessage($"{vertices.Count} vertices, {indices.Count / 3} faces", 2);
// Buffers
babylonMesh.positions = vertices.SelectMany(v => new[] { v.Position.X, v.Position.Y, v.Position.Z }).ToArray();
babylonMesh.normals = vertices.SelectMany(v => new[] { v.Normal.X, v.Normal.Y, v.Normal.Z }).ToArray();
// Export tangents if option is checked and mesh has tangents
if (exportParameters.exportTangents)
{
babylonMesh.tangents = vertices.SelectMany(v => v.Tangent).ToArray();
}
if (hasUV)
{
babylonMesh.uvs = vertices.SelectMany(v => new[] { v.UV.X, 1 - v.UV.Y }).ToArray();
}
if (hasUV2)
{
babylonMesh.uvs2 = vertices.SelectMany(v => new[] { v.UV2.X, 1 - v.UV2.Y }).ToArray();
}
if (skin != null)
{
babylonMesh.matricesWeights = vertices.SelectMany(v => v.Weights.ToArray()).ToArray();
babylonMesh.matricesIndices = vertices.Select(v => v.BonesIndices).ToArray();
babylonMesh.numBoneInfluencers = maxNbBones;
if (maxNbBones > 4)
{
babylonMesh.matricesWeightsExtra = vertices.SelectMany(v => v.WeightsExtra != null ? v.WeightsExtra.ToArray() : new[] { 0.0f, 0.0f, 0.0f, 0.0f }).ToArray();
babylonMesh.matricesIndicesExtra = vertices.Select(v => v.BonesIndicesExtra).ToArray();
}
}
if (hasColor)
{
babylonMesh.colors = vertices.SelectMany(v => v.Color.ToArray()).ToArray();
babylonMesh.hasVertexAlpha = hasAlpha;
}
babylonMesh.subMeshes = subMeshes.ToArray();
// Buffers - Indices
babylonMesh.indices = indices.ToArray();
// ------------------------
// ---- Morph targets -----
// ------------------------
// Retreive modifiers with morpher flag
List <IIGameModifier> modifiers = new List <IIGameModifier>();
for (int i = 0; i < meshNode.IGameObject.NumModifiers; i++)
{
var modifier = meshNode.IGameObject.GetIGameModifier(i);
if (modifier.ModifierType == Autodesk.Max.IGameModifier.ModType.Morpher)
{
modifiers.Add(modifier);
}
}
// Cast modifiers to morphers
List <IIGameMorpher> morphers = modifiers.ConvertAll(new Converter <IIGameModifier, IIGameMorpher>(modifier => modifier.AsGameMorpher()));
var hasMorphTarget = false;
morphers.ForEach(morpher =>
{
if (morpher.NumberOfMorphTargets > 0)
{
hasMorphTarget = true;
}
});
if (hasMorphTarget)
{
RaiseMessage("Export morph targets", 2);
var rawScene = Loader.Core.RootNode;
// Morph Target Manager
var babylonMorphTargetManager = new BabylonMorphTargetManager();
babylonScene.MorphTargetManagersList.Add(babylonMorphTargetManager);
babylonMesh.morphTargetManagerId = babylonMorphTargetManager.id;
// Morph Targets
var babylonMorphTargets = new List <BabylonMorphTarget>();
// All morphers are considered identical
// Their targets are concatenated
morphers.ForEach(morpher =>
{
for (int i = 0; i < morpher.NumberOfMorphTargets; i++)
{
// Morph target
var maxMorphTarget = morpher.GetMorphTarget(i);
// Ensure target still exists (green color legend)
if (maxMorphTarget != null)
{
var babylonMorphTarget = new BabylonMorphTarget
{
name = maxMorphTarget.Name
};
babylonMorphTargets.Add(babylonMorphTarget);
// TODO - Influence
babylonMorphTarget.influence = 0f;
// Target geometry
var targetVertices = ExtractVertices(babylonMesh, maxMorphTarget, optimizeVertices, faceIndexes);
babylonMorphTarget.positions = targetVertices.SelectMany(v => new[] { v.Position.X, v.Position.Y, v.Position.Z }).ToArray();
if (rawScene.GetBoolProperty("babylonjs_export_Morph_Normals", 1))
{
babylonMorphTarget.normals = targetVertices.SelectMany(v => new[] { v.Normal.X, v.Normal.Y, v.Normal.Z }).ToArray();
}
// Tangent
if (exportParameters.exportTangents && rawScene.GetBoolProperty("babylonjs_export_Morph_Tangents"))
{
babylonMorphTarget.tangents = targetVertices.SelectMany(v => v.Tangent).ToArray();
}
// Animations
var animations = new List <BabylonAnimation>();
var morphWeight = morpher.GetMorphWeight(i);
ExportFloatGameController(morphWeight, "influence", animations);
if (animations.Count > 0)
{
babylonMorphTarget.animations = animations.ToArray();
}
}
}
});
babylonMorphTargetManager.targets = babylonMorphTargets.ToArray();
}
}
// World Modifiers
ExportWorldModifiers(meshNode, babylonScene, babylonMesh);
// Animations
// Done last to avoid '0 vertex found' error (unkown cause)
exportAnimation(babylonMesh, meshNode);
babylonScene.MeshesList.Add(babylonMesh);
return(babylonMesh);
}
public ROD_ExportG()
{
maxGlobal = Autodesk.Max.GlobalInterface.Instance;
maxInterface = maxGlobal.COREInterface13;
IPoint3 U = maxGlobal.Point3.Create(1.0, 0.0, 0.0);
IPoint3 V = maxGlobal.Point3.Create(0.0, 0.0, 1.0);
IPoint3 N = maxGlobal.Point3.Create(0.0, -1.0, 0.0);
IPoint3 T = maxGlobal.Point3.Create(0.0, 0.0, 0.0);
_leftHanded = maxGlobal.Matrix3.Create(U, V, N, T);
_GleftHanded = maxGlobal.GMatrix.Create(_leftHanded);
}
