private BabylonShadowGenerator ExportShadowGenerator(IINode lightNode, BabylonScene babylonScene)
        {
            var maxLight = (lightNode.ObjectRef as ILightObject);
            var babylonShadowGenerator = new BabylonShadowGenerator();

            RaiseMessage("Exporting shadow map", 2);

            babylonShadowGenerator.lightId = lightNode.GetGuid().ToString();

            babylonShadowGenerator.mapSize = maxLight.GetMapSize(0, Tools.Forever);

            babylonShadowGenerator.bias = lightNode.GetFloatProperty("babylonjs_shadows_bias", 0.00005f);
            babylonShadowGenerator.forceBackFacesOnly = lightNode.GetBoolProperty("babylonjs_forcebackfaces");

            var shadowsType = lightNode.GetStringProperty("babylonjs_shadows_type", "Blurred Variance");

            switch (shadowsType)
            {
                case "Hard shadows":
                    break;
                case "Poisson Sampling":
                    babylonShadowGenerator.usePoissonSampling = true;
                    break;
                case "Variance":
                    babylonShadowGenerator.useVarianceShadowMap = true;
                    break;
                case"Blurred Variance":
                    babylonShadowGenerator.useBlurVarianceShadowMap = true;
                    babylonShadowGenerator.blurScale = lightNode.GetFloatProperty("babylonjs_shadows_blurScale", 2);
                    babylonShadowGenerator.blurBoxOffset = lightNode.GetFloatProperty("babylonjs_shadows_blurBoxOffset", 1);
                    break;
            }

            
            var list = new List<string>();

            var inclusion = maxLight.ExclList.TestFlag(1); //NT_INCLUDE 
            var checkExclusionList = maxLight.ExclList.TestFlag(4); //NT_AFFECT_SHADOWCAST 

            foreach (var meshNode in Loader.Core.RootNode.NodesListBySuperClass(SClass_ID.Geomobject))
            {
#if MAX2017
                if (meshNode.CastShadows)
#else
                if (meshNode.CastShadows == 1)
#endif
                {
                    var inList = maxLight.ExclList.FindNode(meshNode) != -1;

                    if (!checkExclusionList || (inList && inclusion) || (!inList && !inclusion))
                    {
                        list.Add(meshNode.GetGuid().ToString());
                    }
                }
            }
            babylonShadowGenerator.renderList = list.ToArray();

            babylonScene.ShadowGeneratorsList.Add(babylonShadowGenerator);
            return babylonShadowGenerator;
        }
        private BabylonShadowGenerator ExportShadowGenerator(IINode lightNode, BabylonScene babylonScene)
        {
            var maxLight = (lightNode.ObjectRef as ILightObject);
            var babylonShadowGenerator = new BabylonShadowGenerator();

            RaiseMessage("Exporting shadow map", 2);

            babylonShadowGenerator.lightId = lightNode.GetGuid().ToString();

            babylonShadowGenerator.mapSize = maxLight.GetMapSize(0, Tools.Forever);

            babylonShadowGenerator.bias = lightNode.GetFloatProperty("babylonjs_shadows_bias", 0.00005f);
            babylonShadowGenerator.forceBackFacesOnly = lightNode.GetBoolProperty("babylonjs_forcebackfaces");

            var shadowsType = lightNode.GetStringProperty("babylonjs_shadows_type", "Blurred Variance");

            switch (shadowsType)
            {
            case "Hard shadows":
                break;

            case "Poisson Sampling":
                babylonShadowGenerator.usePoissonSampling = true;
                break;

            case "Variance":
                babylonShadowGenerator.useVarianceShadowMap = true;
                break;

            case "Blurred Variance":
                babylonShadowGenerator.useBlurVarianceShadowMap = true;
                babylonShadowGenerator.blurScale     = lightNode.GetFloatProperty("babylonjs_shadows_blurScale", 2);
                babylonShadowGenerator.blurBoxOffset = lightNode.GetFloatProperty("babylonjs_shadows_blurBoxOffset", 1);
                break;
            }


            var list = new List <string>();

            var inclusion          = maxLight.ExclList.TestFlag(1); //NT_INCLUDE
            var checkExclusionList = maxLight.ExclList.TestFlag(4); //NT_AFFECT_SHADOWCAST

            foreach (var meshNode in Loader.Core.RootNode.NodesListBySuperClass(SClass_ID.Geomobject))
            {
                if (meshNode.CastShadows == 1)
                {
                    var inList = maxLight.ExclList.FindNode(meshNode) != -1;

                    if (!checkExclusionList || (inList && inclusion) || (!inList && !inclusion))
                    {
                        list.Add(meshNode.GetGuid().ToString());
                    }
                }
            }
            babylonShadowGenerator.renderList = list.ToArray();

            babylonScene.ShadowGeneratorsList.Add(babylonShadowGenerator);
            return(babylonShadowGenerator);
        }
Example #3
0
 public static void PrepareVector3Control(Vector3Control vector3Control, IINode node, string propertyName, float defaultX = 0, float defaultY = 0, float defaultZ = 0)
 {
     vector3Control.X = node.GetFloatProperty(propertyName + "_x", defaultX);
     vector3Control.Y = node.GetFloatProperty(propertyName + "_y", defaultY);
     vector3Control.Z = node.GetFloatProperty(propertyName + "_z", defaultZ);
 }
        private void ExportCamera(IINode cameraNode, BabylonScene babylonScene)
        {
            if (cameraNode.GetBoolProperty("babylonjs_noexport"))
            {
                return;
            }

            var maxCamera = (cameraNode.ObjectRef as ICameraObject);
            var babylonCamera = new BabylonCamera();

            RaiseMessage(cameraNode.Name, 1);
            babylonCamera.name = cameraNode.Name;
            babylonCamera.id = cameraNode.GetGuid().ToString();
            if (cameraNode.HasParent())
            {
                babylonCamera.parentId = cameraNode.ParentNode.GetGuid().ToString();
            }

            babylonCamera.fov = Tools.ConvertFov(maxCamera.GetFOV(0, Tools.Forever));
            babylonCamera.minZ = maxCamera.GetEnvRange(0, 0, Tools.Forever);
            babylonCamera.maxZ = maxCamera.GetEnvRange(0, 1, Tools.Forever);

            if (babylonCamera.minZ == 0.0f)
            {
                babylonCamera.minZ = 0.1f;
            }

            // Control
            babylonCamera.speed = cameraNode.GetFloatProperty("babylonjs_speed", 1.0f);
            babylonCamera.inertia = cameraNode.GetFloatProperty("babylonjs_inertia", 0.9f);

            // Collisions
            babylonCamera.checkCollisions = cameraNode.GetBoolProperty("babylonjs_checkcollisions");
            babylonCamera.applyGravity = cameraNode.GetBoolProperty("babylonjs_applygravity");
            babylonCamera.ellipsoid = cameraNode.GetVector3Property("babylonjs_ellipsoid");

            // Position
            var wm = cameraNode.GetWorldMatrix(0, cameraNode.HasParent());
            var position = wm.Trans;
            babylonCamera.position = position.ToArraySwitched();

            // Target
            var target = cameraNode.Target;
            if (target != null)
            {
                babylonCamera.lockedTargetId = target.GetGuid().ToString();
            }
            else
            {
                var dir = wm.GetRow(2).MultiplyBy(-1);
                babylonCamera.target = position.Add(dir).ToArraySwitched();
            }

            // Animations
            var animations = new List<BabylonAnimation>();
            if (!ExportVector3Controller(cameraNode.TMController.PositionController, "position", animations))
            {
                ExportVector3Animation("position", animations, key =>
                {
                    var worldMatrix = cameraNode.GetWorldMatrix(key, cameraNode.HasParent());
                    return worldMatrix.Trans.ToArraySwitched();
                });
            }

            ExportFloatAnimation("fov", animations, key => new[] {Tools.ConvertFov(maxCamera.GetFOV(key, Tools.Forever))});

            babylonCamera.animations = animations.ToArray();

            if (cameraNode.GetBoolProperty("babylonjs_autoanimate"))
            {
                babylonCamera.autoAnimate = true;
                babylonCamera.autoAnimateFrom = (int)cameraNode.GetFloatProperty("babylonjs_autoanimate_from");
                babylonCamera.autoAnimateTo = (int)cameraNode.GetFloatProperty("babylonjs_autoanimate_to");
                babylonCamera.autoAnimateLoop = cameraNode.GetBoolProperty("babylonjs_autoanimateloop");
            }

            babylonScene.CamerasList.Add(babylonCamera);
        }
Example #5
0
 public static void PrepareVector3Control(Vector3Control vector3Control, IINode node, string propertyName, float defaultX = 0, float defaultY = 0, float defaultZ = 0)
 {
     vector3Control.X = node.GetFloatProperty(propertyName + "_x", defaultX);
     vector3Control.Y = node.GetFloatProperty(propertyName + "_y", defaultY);
     vector3Control.Z = node.GetFloatProperty(propertyName + "_z", defaultZ);
 }
        private void ExportLight(IINode lightNode, BabylonScene babylonScene)
        {
            if (lightNode.GetBoolProperty("babylonjs_noexport"))
            {
                return;
            }

            var maxLight = (lightNode.ObjectRef as ILightObject);
            var babylonLight = new BabylonLight();

            RaiseMessage(lightNode.Name, 1);
            babylonLight.name = lightNode.Name;
            babylonLight.id = lightNode.GetGuid().ToString();

            // Type
            var lightState = Loader.Global.LightState.Create();
            maxLight.EvalLightState(0, Tools.Forever, lightState);
            var directionScale = -1;

            switch (lightState.Type)
            {
                case LightType.OmniLgt:
                    babylonLight.type = 0;
                    break;
                case LightType.SpotLgt:
                    babylonLight.type = 2;
                    babylonLight.angle = (float)(maxLight.GetFallsize(0, Tools.Forever) * Math.PI / 180.0f);
                    babylonLight.exponent = 1;
                    break;
                case LightType.DirectLgt:
                    babylonLight.type = 1;
                    break;
                case LightType.AmbientLgt:
                    babylonLight.type = 3;
                    babylonLight.groundColor = new float[] { 0, 0, 0 };
                    directionScale = 1;
                    break;
            }

            // Shadows
            if (maxLight.ShadowMethod == 1)
            {
                if (lightState.Type == LightType.DirectLgt)
                {
                    ExportShadowGenerator(lightNode, babylonScene);
                }
                else
                {
                    RaiseWarning("Shadows maps are only supported for directional lights", 2);
                }
            }

            // Position
            var wm = lightNode.GetWorldMatrix(0, false);
            var position = wm.Trans;
            babylonLight.position = position.ToArraySwitched();

            // Direction
            var target = lightNode.Target;
            if (target != null)
            {
                var targetWm = target.GetObjTMBeforeWSM(0, Tools.Forever);
                var targetPosition = targetWm.Trans;

                var direction = targetPosition.Subtract(position);
                babylonLight.direction = direction.ToArraySwitched();
            }
            else
            {
                var dir = wm.GetRow(2).MultiplyBy(directionScale);
                babylonLight.direction = dir.ToArraySwitched();
            }

            // Exclusion
            var maxScene = Loader.Core.RootNode;
            var inclusion = maxLight.ExclList.TestFlag(1); //NT_INCLUDE 
            var checkExclusionList = maxLight.ExclList.TestFlag(2); //NT_AFFECT_ILLUM

            if (checkExclusionList)
            {
                var excllist = new List<string>();
                var incllist = new List<string>();

                foreach (var meshNode in maxScene.NodesListBySuperClass(SClass_ID.Geomobject))
                {
                    if (meshNode.CastShadows == 1)
                    {
                        var inList = maxLight.ExclList.FindNode(meshNode) != -1;

                        if (inList)
                        {
                            if (inclusion)
                            {
                                incllist.Add(meshNode.GetGuid().ToString());
                            }
                            else
                            {
                                excllist.Add(meshNode.GetGuid().ToString());
                            }
                        }
                    }
                }

                babylonLight.includedOnlyMeshesIds = incllist.ToArray();
                babylonLight.excludedMeshesIds = excllist.ToArray();
            }

            // Other fields
            babylonLight.intensity = maxLight.GetIntensity(0, Tools.Forever);

            babylonLight.diffuse = lightState.AffectDiffuse ? maxLight.GetRGBColor(0, Tools.Forever).ToArray() : new float[] { 0, 0, 0 };
            babylonLight.specular = lightState.AffectDiffuse ? maxLight.GetRGBColor(0, Tools.Forever).ToArray() : new float[] { 0, 0, 0 };

            if (maxLight.UseAtten)
            {
                babylonLight.range = maxLight.GetAtten(0, 1, Tools.Forever);
            }

            // Animations
            var animations = new List<BabylonAnimation>();

            if (!ExportVector3Controller(lightNode.TMController.PositionController, "position", animations))
            {
                ExportVector3Animation("position", animations, key =>
                {
                    var worldMatrix = lightNode.GetWorldMatrix(key, lightNode.HasParent());
                    return worldMatrix.Trans.ToArraySwitched();
                });
            }

            ExportVector3Animation("direction", animations, key =>
            {
                var targetNode = lightNode.Target;
                if (targetNode != null)
                {
                    var targetWm = target.GetObjTMBeforeWSM(0, Tools.Forever);
                    var targetPosition = targetWm.Trans;

                    var direction = targetPosition.Subtract(position);
                    return direction.ToArraySwitched();
                }
                
                var dir = wm.GetRow(2).MultiplyBy(directionScale);
                return dir.ToArraySwitched();
            });

            ExportFloatAnimation("intensity", animations, key => new[] { maxLight.GetIntensity(key, Tools.Forever) });

            babylonLight.animations = animations.ToArray();

            if (lightNode.GetBoolProperty("babylonjs_autoanimate"))
            {
                babylonLight.autoAnimate = true;
                babylonLight.autoAnimateFrom = (int)lightNode.GetFloatProperty("babylonjs_autoanimate_from");
                babylonLight.autoAnimateTo = (int)lightNode.GetFloatProperty("babylonjs_autoanimate_to");
                babylonLight.autoAnimateLoop = lightNode.GetBoolProperty("babylonjs_autoanimateloop");
            }

            babylonScene.LightsList.Add(babylonLight);
        }
Example #7
0
        private void ExportCamera(IINode cameraNode, BabylonScene babylonScene)
        {
            if (cameraNode.GetBoolProperty("babylonjs_noexport"))
            {
                return;
            }

            var maxCamera     = (cameraNode.ObjectRef as ICameraObject);
            var babylonCamera = new BabylonCamera();

            RaiseMessage(cameraNode.Name, 1);
            babylonCamera.name = cameraNode.Name;
            babylonCamera.id   = cameraNode.GetGuid().ToString();
            if (cameraNode.HasParent())
            {
                babylonCamera.parentId = cameraNode.ParentNode.GetGuid().ToString();
            }

            babylonCamera.fov  = Tools.ConvertFov(maxCamera.GetFOV(0, Tools.Forever));
            babylonCamera.minZ = maxCamera.GetEnvRange(0, 0, Tools.Forever);
            babylonCamera.maxZ = maxCamera.GetEnvRange(0, 1, Tools.Forever);

            if (babylonCamera.minZ == 0.0f)
            {
                babylonCamera.minZ = 0.1f;
            }

            // Control
            babylonCamera.speed   = cameraNode.GetFloatProperty("babylonjs_speed", 1.0f);
            babylonCamera.inertia = cameraNode.GetFloatProperty("babylonjs_inertia", 0.9f);

            // Collisions
            babylonCamera.checkCollisions = cameraNode.GetBoolProperty("babylonjs_checkcollisions");
            babylonCamera.applyGravity    = cameraNode.GetBoolProperty("babylonjs_applygravity");
            babylonCamera.ellipsoid       = cameraNode.GetVector3Property("babylonjs_ellipsoid");

            // Position
            var wm       = cameraNode.GetWorldMatrix(0, cameraNode.HasParent());
            var position = wm.Trans;

            babylonCamera.position = position.ToArraySwitched();

            // Target
            var target = cameraNode.Target;

            if (target != null)
            {
                babylonCamera.lockedTargetId = target.GetGuid().ToString();
            }
            else
            {
                var dir = wm.GetRow(2).MultiplyBy(-1);
                babylonCamera.target = position.Add(dir).ToArraySwitched();
            }

            // Animations
            var animations = new List <BabylonAnimation>();

            if (!ExportVector3Controller(cameraNode.TMController.PositionController, "position", animations))
            {
                ExportVector3Animation("position", animations, key =>
                {
                    var worldMatrix = cameraNode.GetWorldMatrix(key, cameraNode.HasParent());
                    return(worldMatrix.Trans.ToArraySwitched());
                });
            }

            ExportFloatAnimation("fov", animations, key => new[] { Tools.ConvertFov(maxCamera.GetFOV(key, Tools.Forever)) });

            babylonCamera.animations = animations.ToArray();

            if (cameraNode.GetBoolProperty("babylonjs_autoanimate"))
            {
                babylonCamera.autoAnimate     = true;
                babylonCamera.autoAnimateFrom = (int)cameraNode.GetFloatProperty("babylonjs_autoanimate_from");
                babylonCamera.autoAnimateTo   = (int)cameraNode.GetFloatProperty("babylonjs_autoanimate_to");
                babylonCamera.autoAnimateLoop = cameraNode.GetBoolProperty("babylonjs_autoanimateloop");
            }

            babylonScene.CamerasList.Add(babylonCamera);
        }
        private void ExportMesh(IINode meshNode, BabylonScene babylonScene)
        {
            if (meshNode.GetBoolProperty("babylonjs_noexport"))
            {
                return;
            }

            if (!ExportHiddenObjects && meshNode.IsHidden(NodeHideFlags.None, false))
            {
                return;
            }

            var babylonMesh = new BabylonMesh();
            int vx1, vx2, vx3;

            babylonMesh.name = meshNode.Name;
            babylonMesh.id = meshNode.GetGuid().ToString();
            if (meshNode.HasParent())
            {
                babylonMesh.parentId = meshNode.ParentNode.GetGuid().ToString();
            }

            // Misc.
            babylonMesh.isVisible = meshNode.Renderable == 1;
            babylonMesh.pickable = meshNode.GetBoolProperty("babylonjs_checkpickable");
            babylonMesh.receiveShadows = meshNode.RcvShadows == 1;
            babylonMesh.showBoundingBox = meshNode.GetBoolProperty("babylonjs_showboundingbox");
            babylonMesh.showSubMeshesBoundingBox = meshNode.GetBoolProperty("babylonjs_showsubmeshesboundingbox");

            // Collisions
            babylonMesh.checkCollisions = meshNode.GetBoolProperty("babylonjs_checkcollisions");

            // Skin
            var skin = GetSkinModifier(meshNode);

            if (skin != null)
            {
                babylonMesh.skeletonId = skins.IndexOf(skin);
                bonesCount = skin.NumBones;
            }

            // Position / rotation / scaling
            var wm = meshNode.GetWorldMatrix(0, meshNode.HasParent());
            babylonMesh.position = wm.Trans.ToArraySwitched();

            var parts = Loader.Global.AffineParts.Create();
            Loader.Global.DecompAffine(wm, parts);

            if (exportQuaternionsInsteadOfEulers)
            {
                babylonMesh.rotationQuaternion = parts.Q.ToArray();
            }
            else
            {
                var rotate = new float[3];

                IntPtr xPtr = Marshal.AllocHGlobal(sizeof(float));
                IntPtr yPtr = Marshal.AllocHGlobal(sizeof(float));
                IntPtr zPtr = Marshal.AllocHGlobal(sizeof(float));
                parts.Q.GetEuler(xPtr, yPtr, zPtr);

                Marshal.Copy(xPtr, rotate, 0, 1);
                Marshal.Copy(yPtr, rotate, 1, 1);
                Marshal.Copy(zPtr, rotate, 2, 1);

                var temp = rotate[1];
                rotate[0] = -rotate[0] * parts.F;
                rotate[1] = -rotate[2] * parts.F;
                rotate[2] = -temp * parts.F;

                babylonMesh.rotation = rotate;                
            }

            babylonMesh.scaling = parts.K.ToArraySwitched();

            if (wm.Parity)
            {
                vx1 = 2;
                vx2 = 1;
                vx3 = 0;
            }
            else
            {
                vx1 = 0;
                vx2 = 1;
                vx3 = 2;
            }

            // Pivot
            var pivotMatrix = Tools.Identity;
            pivotMatrix.PreTranslate(meshNode.ObjOffsetPos);
            Loader.Global.PreRotateMatrix(pivotMatrix, meshNode.ObjOffsetRot);
            Loader.Global.ApplyScaling(pivotMatrix, meshNode.ObjOffsetScale);
            babylonMesh.pivotMatrix = pivotMatrix.ToArray();

            // Mesh
            var objectState = meshNode.EvalWorldState(0, false);
            var triObject = objectState.Obj.GetMesh();
            var mesh = triObject != null ? triObject.Mesh : null;

            RaiseMessage(meshNode.Name, 1);

            if (mesh != null)
            {
                mesh.BuildNormals();

                if (mesh.NumFaces < 1)
                {
                    RaiseError(string.Format("Mesh {0} has no face", babylonMesh.name), 2);
                }

                if (mesh.NumVerts < 3)
                {
                    RaiseError(string.Format("Mesh {0} has not enough vertices", babylonMesh.name), 2);
                }

                if (mesh.NumVerts >= 65536)
                {
                    RaiseError(string.Format("Mesh {0} has too many vertices (more than 65535)", babylonMesh.name), 2);
                }

                // Material
                var mtl = meshNode.Mtl;
                var multiMatsCount = 1;

                if (mtl != null)
                {
                    babylonMesh.materialId = mtl.GetGuid().ToString();

                    if (!referencedMaterials.Contains(mtl))
                    {
                        referencedMaterials.Add(mtl);
                    }

                    multiMatsCount = Math.Max(mtl.NumSubMtls, 1);
                }

                babylonMesh.visibility = meshNode.GetVisibility(0, Tools.Forever);

                var vertices = new List<GlobalVertex>();
                var indices = new List<int>();
                var matIDs = new List<int>();

                var hasUV = mesh.NumTVerts > 0;
                var hasUV2 = mesh.GetNumMapVerts(2) > 0;

                var optimizeVertices = meshNode.GetBoolProperty("babylonjs_optimizevertices");

                // Skin
                IISkinContextData skinContext = null;

                if (skin != null)
                {
                    skinContext = skin.GetContextInterface(meshNode);
                }

                // Compute normals
                VNormal[] vnorms = Tools.ComputeNormals(mesh, optimizeVertices);
                List<GlobalVertex>[] verticesAlreadyExported = null;

                if (optimizeVertices)
                {
                    verticesAlreadyExported = new List<GlobalVertex>[mesh.NumVerts];
                }

                for (var face = 0; face < mesh.NumFaces; face++)
                {
                    indices.Add(CreateGlobalVertex(mesh, face, vx1, vertices, hasUV, hasUV2, vnorms, verticesAlreadyExported, skinContext));
                    indices.Add(CreateGlobalVertex(mesh, face, vx2, vertices, hasUV, hasUV2, vnorms, verticesAlreadyExported, skinContext));
                    indices.Add(CreateGlobalVertex(mesh, face, vx3, vertices, hasUV, hasUV2, vnorms, verticesAlreadyExported, skinContext));
                    matIDs.Add(mesh.Faces[face].MatID % multiMatsCount);
                    CheckCancelled();
                }

                if (vertices.Count >= 65536)
                {
                    RaiseError(string.Format("Mesh {0} has too many vertices: {1} (limit is 65535)", babylonMesh.name, vertices.Count), 2);

                    if (!optimizeVertices)
                    {
                        RaiseError("You can try to optimize your object using [Try to optimize vertices] option", 2);
                    }
                }

                RaiseMessage(string.Format("{0} vertices, {1} faces", vertices.Count, indices.Count / 3), 2);

                // Buffers
                babylonMesh.positions = vertices.SelectMany(v => v.Position.ToArraySwitched()).ToArray();
                babylonMesh.normals = vertices.SelectMany(v => v.Normal.ToArraySwitched()).ToArray();
                if (hasUV)
                {
                    babylonMesh.uvs = vertices.SelectMany(v => v.UV.ToArray()).ToArray();
                }
                if (hasUV2)
                {
                    babylonMesh.uvs2 = vertices.SelectMany(v => v.UV2.ToArray()).ToArray();
                }

                if (skin != null)
                {
                    babylonMesh.matricesWeights = vertices.SelectMany(v => v.Weights.ToArray()).ToArray();
                    babylonMesh.matricesIndices = vertices.Select(v => v.BonesIndices).ToArray();
                }

                // Submeshes
                var sortedIndices = new List<int>();
                var subMeshes = new List<BabylonSubMesh>();
                var indexStart = 0;
                for (var index = 0; index < multiMatsCount; index++)
                {
                    var subMesh = new BabylonSubMesh();
                    var indexCount = 0;
                    var minVertexIndex = int.MaxValue;
                    var maxVertexIndex = int.MinValue;

                    subMesh.indexStart = indexStart;
                    subMesh.materialIndex = index;

                    for (var face = 0; face < matIDs.Count; face++)
                    {
                        if (matIDs[face] == index)
                        {
                            var a = indices[3 * face];
                            var b = indices[3 * face + 1];
                            var c = indices[3 * face + 2];

                            sortedIndices.Add(a);
                            sortedIndices.Add(b);
                            sortedIndices.Add(c);
                            indexCount += 3;

                            if (a < minVertexIndex)
                            {
                                minVertexIndex = a;
                            }

                            if (b < minVertexIndex)
                            {
                                minVertexIndex = b;
                            }

                            if (c < minVertexIndex)
                            {
                                minVertexIndex = c;
                            }

                            if (a > maxVertexIndex)
                            {
                                maxVertexIndex = a;
                            }

                            if (b > maxVertexIndex)
                            {
                                maxVertexIndex = b;
                            }

                            if (c > maxVertexIndex)
                            {
                                maxVertexIndex = c;
                            }
                        }
                    }
                    if (indexCount != 0)
                    {

                        subMesh.indexCount = indexCount;
                        subMesh.verticesStart = minVertexIndex;
                        subMesh.verticesCount = maxVertexIndex - minVertexIndex + 1;

                        indexStart += indexCount;

                        subMeshes.Add(subMesh);
                    }
                    CheckCancelled();
                }
                babylonMesh.subMeshes = subMeshes.ToArray();


                // Buffers - Indices
                babylonMesh.indices = sortedIndices.ToArray();

                triObject.Dispose();
            }


            // Animations
            var animations = new List<BabylonAnimation>();

            if (!ExportVector3Controller(meshNode.TMController.PositionController, "position", animations))
            {
                ExportVector3Animation("position", animations, key =>
                {
                    var worldMatrix = meshNode.GetWorldMatrix(key, meshNode.HasParent());
                    return worldMatrix.Trans.ToArraySwitched();
                });
            }

            if (!ExportQuaternionController(meshNode.TMController.RotationController, "rotationQuaternion", animations))
            {
                ExportQuaternionAnimation("rotationQuaternion", animations, key =>
                {
                    var worldMatrix = meshNode.GetWorldMatrix(key, meshNode.HasParent());

                    var affineParts = Loader.Global.AffineParts.Create();
                    Loader.Global.DecompAffine(worldMatrix, affineParts);

                    return affineParts.Q.ToArray();
                });
            }

            if (!ExportVector3Controller(meshNode.TMController.ScaleController, "scaling", animations))
            {
                ExportVector3Animation("scaling", animations, key =>
                {
                    var worldMatrix = meshNode.GetWorldMatrix(key, meshNode.HasParent());

                    var affineParts = Loader.Global.AffineParts.Create();
                    Loader.Global.DecompAffine(worldMatrix, affineParts);

                    return affineParts.K.ToArraySwitched();
                });
            }

            if (!ExportFloatController(meshNode.VisController, "visibility", animations))
            {
                ExportFloatAnimation("visibility", animations, key => new[] { meshNode.GetVisibility(key, Tools.Forever) });
            }

            babylonMesh.animations = animations.ToArray();

            if (meshNode.GetBoolProperty("babylonjs_autoanimate", 1))
            {
                babylonMesh.autoAnimate = true;
                babylonMesh.autoAnimateFrom = (int)meshNode.GetFloatProperty("babylonjs_autoanimate_from");
                babylonMesh.autoAnimateTo = (int)meshNode.GetFloatProperty("babylonjs_autoanimate_to", 100);
                babylonMesh.autoAnimateLoop = meshNode.GetBoolProperty("babylonjs_autoanimateloop", 1);
            }

            babylonScene.MeshesList.Add(babylonMesh);
        }
        private void ExportLight(IINode lightNode, BabylonScene babylonScene)
        {
            if (lightNode.GetBoolProperty("babylonjs_noexport"))
            {
                return;
            }

            var maxLight     = (lightNode.ObjectRef as ILightObject);
            var babylonLight = new BabylonLight();

            RaiseMessage(lightNode.Name, 1);
            babylonLight.name = lightNode.Name;
            babylonLight.id   = lightNode.GetGuid().ToString();

            // Type
            var lightState = Loader.Global.LightState.Create();

            maxLight.EvalLightState(0, Tools.Forever, lightState);
            var directionScale = -1;

            switch (lightState.Type)
            {
            case LightType.OmniLgt:
                babylonLight.type = 0;
                break;

            case LightType.SpotLgt:
                babylonLight.type     = 2;
                babylonLight.angle    = (float)(maxLight.GetFallsize(0, Tools.Forever) * Math.PI / 180.0f);
                babylonLight.exponent = 1;
                break;

            case LightType.DirectLgt:
                babylonLight.type = 1;
                break;

            case LightType.AmbientLgt:
                babylonLight.type        = 3;
                babylonLight.groundColor = new float[] { 0, 0, 0 };
                directionScale           = 1;
                break;
            }

            // Shadows
            if (maxLight.ShadowMethod == 1)
            {
                if (lightState.Type == LightType.DirectLgt)
                {
                    ExportShadowGenerator(lightNode, babylonScene);
                }
                else
                {
                    RaiseWarning("Shadows maps are only supported for directional lights", 2);
                }
            }

            // Position
            var wm       = lightNode.GetWorldMatrix(0, false);
            var position = wm.Trans;

            babylonLight.position = position.ToArraySwitched();

            // Direction
            var target = lightNode.Target;

            if (target != null)
            {
                var targetWm       = target.GetObjTMBeforeWSM(0, Tools.Forever);
                var targetPosition = targetWm.Trans;

                var direction = targetPosition.Subtract(position);
                babylonLight.direction = direction.ToArraySwitched();
            }
            else
            {
                var dir = wm.GetRow(2).MultiplyBy(directionScale);
                babylonLight.direction = dir.ToArraySwitched();
            }

            // Exclusion
            var maxScene           = Loader.Core.RootNode;
            var inclusion          = maxLight.ExclList.TestFlag(1); //NT_INCLUDE
            var checkExclusionList = maxLight.ExclList.TestFlag(2); //NT_AFFECT_ILLUM

            if (checkExclusionList)
            {
                var excllist = new List <string>();
                var incllist = new List <string>();

                foreach (var meshNode in maxScene.NodesListBySuperClass(SClass_ID.Geomobject))
                {
                    if (meshNode.CastShadows == 1)
                    {
                        var inList = maxLight.ExclList.FindNode(meshNode) != -1;

                        if (inList)
                        {
                            if (inclusion)
                            {
                                incllist.Add(meshNode.GetGuid().ToString());
                            }
                            else
                            {
                                excllist.Add(meshNode.GetGuid().ToString());
                            }
                        }
                    }
                }

                babylonLight.includedOnlyMeshesIds = incllist.ToArray();
                babylonLight.excludedMeshesIds     = excllist.ToArray();
            }

            // Other fields
            babylonLight.intensity = maxLight.GetIntensity(0, Tools.Forever);

            babylonLight.diffuse  = lightState.AffectDiffuse ? maxLight.GetRGBColor(0, Tools.Forever).ToArray() : new float[] { 0, 0, 0 };
            babylonLight.specular = lightState.AffectDiffuse ? maxLight.GetRGBColor(0, Tools.Forever).ToArray() : new float[] { 0, 0, 0 };

            if (maxLight.UseAtten)
            {
                babylonLight.range = maxLight.GetAtten(0, 1, Tools.Forever);
            }

            // Animations
            var animations = new List <BabylonAnimation>();

            if (!ExportVector3Controller(lightNode.TMController.PositionController, "position", animations))
            {
                ExportVector3Animation("position", animations, key =>
                {
                    var worldMatrix = lightNode.GetWorldMatrix(key, lightNode.HasParent());
                    return(worldMatrix.Trans.ToArraySwitched());
                });
            }

            ExportVector3Animation("direction", animations, key =>
            {
                var targetNode = lightNode.Target;
                if (targetNode != null)
                {
                    var targetWm       = target.GetObjTMBeforeWSM(0, Tools.Forever);
                    var targetPosition = targetWm.Trans;

                    var direction = targetPosition.Subtract(position);
                    return(direction.ToArraySwitched());
                }

                var dir = wm.GetRow(2).MultiplyBy(directionScale);
                return(dir.ToArraySwitched());
            });

            ExportFloatAnimation("intensity", animations, key => new[] { maxLight.GetIntensity(key, Tools.Forever) });

            babylonLight.animations = animations.ToArray();

            if (lightNode.GetBoolProperty("babylonjs_autoanimate"))
            {
                babylonLight.autoAnimate     = true;
                babylonLight.autoAnimateFrom = (int)lightNode.GetFloatProperty("babylonjs_autoanimate_from");
                babylonLight.autoAnimateTo   = (int)lightNode.GetFloatProperty("babylonjs_autoanimate_to");
                babylonLight.autoAnimateLoop = lightNode.GetBoolProperty("babylonjs_autoanimateloop");
            }

            babylonScene.LightsList.Add(babylonLight);
        }
Example #10
0
        private void ExportMesh(IINode meshNode, BabylonScene babylonScene)
        {
            if (meshNode.IsInstance())
            {
                return;
            }

            if (meshNode.GetBoolProperty("babylonjs_noexport"))
            {
                return;
            }

            if (!ExportHiddenObjects && meshNode.IsHidden(NodeHideFlags.None, false))
            {
                return;
            }

            var babylonMesh = new BabylonMesh();
            int vx1, vx2, vx3;

            babylonMesh.name = meshNode.Name;
            babylonMesh.id   = meshNode.GetGuid().ToString();
            if (meshNode.HasParent())
            {
                babylonMesh.parentId = meshNode.ParentNode.GetGuid().ToString();
            }

            // Misc.
            babylonMesh.isVisible                = meshNode.Renderable == 1;
            babylonMesh.pickable                 = meshNode.GetBoolProperty("babylonjs_checkpickable");
            babylonMesh.receiveShadows           = meshNode.RcvShadows == 1;
            babylonMesh.showBoundingBox          = meshNode.GetBoolProperty("babylonjs_showboundingbox");
            babylonMesh.showSubMeshesBoundingBox = meshNode.GetBoolProperty("babylonjs_showsubmeshesboundingbox");

            // Collisions
            babylonMesh.checkCollisions = meshNode.GetBoolProperty("babylonjs_checkcollisions");

            // Skin
            var skin = GetSkinModifier(meshNode);

            if (skin != null)
            {
                babylonMesh.skeletonId = skins.IndexOf(skin);
                bonesCount             = skin.NumBones;
            }

            // Position / rotation / scaling
            var wm = Tools.ExtractCoordinates(meshNode, babylonMesh, exportQuaternionsInsteadOfEulers);

            if (wm.Parity)
            {
                vx1 = 2;
                vx2 = 1;
                vx3 = 0;
            }
            else
            {
                vx1 = 0;
                vx2 = 1;
                vx3 = 2;
            }

            // Pivot
            var pivotMatrix = Tools.Identity;

            pivotMatrix.PreTranslate(meshNode.ObjOffsetPos);
            Loader.Global.PreRotateMatrix(pivotMatrix, meshNode.ObjOffsetRot);
            Loader.Global.ApplyScaling(pivotMatrix, meshNode.ObjOffsetScale);
            babylonMesh.pivotMatrix = pivotMatrix.ToArray();

            // Mesh
            var objectState = meshNode.EvalWorldState(0, false);
            var triObject   = objectState.Obj.GetMesh();
            var mesh        = triObject != null ? triObject.Mesh : null;

            RaiseMessage(meshNode.Name, 1);

            if (mesh != null)
            {
                mesh.BuildNormals();

                if (mesh.NumFaces < 1)
                {
                    RaiseError(string.Format("Mesh {0} has no face", babylonMesh.name), 2);
                }

                if (mesh.NumVerts < 3)
                {
                    RaiseError(string.Format("Mesh {0} has not enough vertices", babylonMesh.name), 2);
                }

                if (mesh.NumVerts >= 65536)
                {
                    RaiseError(string.Format("Mesh {0} has too many vertices (more than 65535)", babylonMesh.name), 2);
                }

                // Material
                var mtl            = meshNode.Mtl;
                var multiMatsCount = 1;

                if (mtl != null)
                {
                    babylonMesh.materialId = mtl.GetGuid().ToString();

                    if (!referencedMaterials.Contains(mtl))
                    {
                        referencedMaterials.Add(mtl);
                    }

                    multiMatsCount = Math.Max(mtl.NumSubMtls, 1);
                }

                babylonMesh.visibility = meshNode.GetVisibility(0, Tools.Forever);

                var vertices = new List <GlobalVertex>();
                var indices  = new List <int>();
                var matIDs   = new List <int>();

                var hasUV  = mesh.NumTVerts > 0;
                var hasUV2 = mesh.GetNumMapVerts(2) > 0;

                var optimizeVertices = meshNode.GetBoolProperty("babylonjs_optimizevertices");

                // Skin
                IISkinContextData skinContext = null;

                if (skin != null)
                {
                    skinContext = skin.GetContextInterface(meshNode);
                }

                // Compute normals
                VNormal[]             vnorms = Tools.ComputeNormals(mesh, optimizeVertices);
                List <GlobalVertex>[] verticesAlreadyExported = null;

                if (optimizeVertices)
                {
                    verticesAlreadyExported = new List <GlobalVertex> [mesh.NumVerts];
                }

                for (var face = 0; face < mesh.NumFaces; face++)
                {
                    indices.Add(CreateGlobalVertex(mesh, face, vx1, vertices, hasUV, hasUV2, vnorms, verticesAlreadyExported, skinContext));
                    indices.Add(CreateGlobalVertex(mesh, face, vx2, vertices, hasUV, hasUV2, vnorms, verticesAlreadyExported, skinContext));
                    indices.Add(CreateGlobalVertex(mesh, face, vx3, vertices, hasUV, hasUV2, vnorms, verticesAlreadyExported, skinContext));
                    matIDs.Add(mesh.Faces[face].MatID % multiMatsCount);
                    CheckCancelled();
                }

                if (vertices.Count >= 65536)
                {
                    RaiseError(string.Format("Mesh {0} has too many vertices: {1} (limit is 65535)", babylonMesh.name, vertices.Count), 2);

                    if (!optimizeVertices)
                    {
                        RaiseError("You can try to optimize your object using [Try to optimize vertices] option", 2);
                    }
                }

                RaiseMessage(string.Format("{0} vertices, {1} faces", vertices.Count, indices.Count / 3), 2);

                // Buffers
                babylonMesh.positions = vertices.SelectMany(v => v.Position.ToArraySwitched()).ToArray();
                babylonMesh.normals   = vertices.SelectMany(v => v.Normal.ToArraySwitched()).ToArray();
                if (hasUV)
                {
                    babylonMesh.uvs = vertices.SelectMany(v => v.UV.ToArray()).ToArray();
                }
                if (hasUV2)
                {
                    babylonMesh.uvs2 = vertices.SelectMany(v => v.UV2.ToArray()).ToArray();
                }

                if (skin != null)
                {
                    babylonMesh.matricesWeights = vertices.SelectMany(v => v.Weights.ToArray()).ToArray();
                    babylonMesh.matricesIndices = vertices.Select(v => v.BonesIndices).ToArray();
                }

                // Submeshes
                var sortedIndices = new List <int>();
                var subMeshes     = new List <BabylonSubMesh>();
                var indexStart    = 0;
                for (var index = 0; index < multiMatsCount; index++)
                {
                    var subMesh        = new BabylonSubMesh();
                    var indexCount     = 0;
                    var minVertexIndex = int.MaxValue;
                    var maxVertexIndex = int.MinValue;

                    subMesh.indexStart    = indexStart;
                    subMesh.materialIndex = index;

                    for (var face = 0; face < matIDs.Count; face++)
                    {
                        if (matIDs[face] == index)
                        {
                            var a = indices[3 * face];
                            var b = indices[3 * face + 1];
                            var c = indices[3 * face + 2];

                            sortedIndices.Add(a);
                            sortedIndices.Add(b);
                            sortedIndices.Add(c);
                            indexCount += 3;

                            if (a < minVertexIndex)
                            {
                                minVertexIndex = a;
                            }

                            if (b < minVertexIndex)
                            {
                                minVertexIndex = b;
                            }

                            if (c < minVertexIndex)
                            {
                                minVertexIndex = c;
                            }

                            if (a > maxVertexIndex)
                            {
                                maxVertexIndex = a;
                            }

                            if (b > maxVertexIndex)
                            {
                                maxVertexIndex = b;
                            }

                            if (c > maxVertexIndex)
                            {
                                maxVertexIndex = c;
                            }
                        }
                    }
                    if (indexCount != 0)
                    {
                        subMesh.indexCount    = indexCount;
                        subMesh.verticesStart = minVertexIndex;
                        subMesh.verticesCount = maxVertexIndex - minVertexIndex + 1;

                        indexStart += indexCount;

                        subMeshes.Add(subMesh);
                    }
                    CheckCancelled();
                }
                babylonMesh.subMeshes = subMeshes.ToArray();


                // Buffers - Indices
                babylonMesh.indices = sortedIndices.ToArray();

                triObject.Dispose();
            }

            // Instances
            var tabs = Loader.Global.NodeTab.Create();

            Loader.Global.IInstanceMgr.InstanceMgr.GetInstances(meshNode, tabs);
            var instances = new List <BabylonAbstractMesh>();

            for (var index = 0; index < tabs.Count; index++)
            {
                var indexer = new IntPtr(index);
                var tab     = tabs[indexer];

                Marshal.FreeHGlobal(indexer);

                if (meshNode.GetGuid() == tab.GetGuid())
                {
                    continue;
                }

                tab.MarkAsInstance();

                var instance = new BabylonAbstractMesh {
                    name = tab.Name
                };

                Tools.ExtractCoordinates(tab, instance, exportQuaternionsInsteadOfEulers);
                var instanceAnimations = new List <BabylonAnimation>();
                GenerateCoordinatesAnimations(tab, instanceAnimations);
                instance.animations = instanceAnimations.ToArray();

                instances.Add(instance);
            }

            babylonMesh.instances = instances.ToArray();

            // Animations
            var animations = new List <BabylonAnimation>();

            GenerateCoordinatesAnimations(meshNode, animations);


            if (!ExportFloatController(meshNode.VisController, "visibility", animations))
            {
                ExportFloatAnimation("visibility", animations, key => new[] { meshNode.GetVisibility(key, Tools.Forever) });
            }

            babylonMesh.animations = animations.ToArray();

            if (meshNode.GetBoolProperty("babylonjs_autoanimate", 1))
            {
                babylonMesh.autoAnimate     = true;
                babylonMesh.autoAnimateFrom = (int)meshNode.GetFloatProperty("babylonjs_autoanimate_from");
                babylonMesh.autoAnimateTo   = (int)meshNode.GetFloatProperty("babylonjs_autoanimate_to", 100);
                babylonMesh.autoAnimateLoop = meshNode.GetBoolProperty("babylonjs_autoanimateloop", 1);
            }

            babylonScene.MeshesList.Add(babylonMesh);
        }