public static string MeshToString(GameObject gameObj, string newPath, bool copyMaterials = false, bool copyTextures = false)
{
StringBuilder sb = new StringBuilder();
StringBuilder objectProps = new StringBuilder();
objectProps.AppendLine("; Object properties");
objectProps.AppendLine(";------------------------------------------------------------------");
objectProps.AppendLine("");
objectProps.AppendLine("Objects: {");
StringBuilder objectConnections = new StringBuilder();
objectConnections.AppendLine("; Object connections");
objectConnections.AppendLine(";------------------------------------------------------------------");
objectConnections.AppendLine("");
objectConnections.AppendLine("Connections: {");
objectConnections.AppendLine("\t");
Material[] materials = new Material[0];
// First finds all unique materials and compiles them (and writes to the object connections) for funzies
string materialsObjectSerialized = "";
string materialConnectionsSerialized = "";
FBXUnityMaterialGetter.GetAllMaterialsToString(gameObj, newPath, copyMaterials, copyTextures, out materials, out materialsObjectSerialized, out materialConnectionsSerialized);
// Run recursive FBX Mesh grab over the entire gameobject
FBXUnityMeshGetter.GetMeshToString(gameObj, materials, ref objectProps, ref objectConnections);
// write the materials to the objectProps here. Should not do it in the above as it recursive.
objectProps.Append(materialsObjectSerialized);
objectConnections.Append(materialConnectionsSerialized);
// Close up both builders;
objectProps.AppendLine("}");
objectConnections.AppendLine("}");
// ========= Create header ========
// Intro
sb.AppendLine("; FBX 7.3.0 project file");
sb.AppendLine("; Copyright (C) 1997-2010 Autodesk Inc. and/or its licensors.");
sb.AppendLine("; All rights reserved.");
sb.AppendLine("; ----------------------------------------------------");
sb.AppendLine();
// The header
sb.AppendLine("FBXHeaderExtension: {");
sb.AppendLine("\tFBXHeaderVersion: 1003");
sb.AppendLine("\tFBXVersion: 7300");
// Creationg Date Stamp
System.DateTime currentDate = System.DateTime.Now;
sb.AppendLine("\tCreationTimeStamp: {");
sb.AppendLine("\t\tVersion: 1000");
sb.AppendLine("\t\tYear: " + currentDate.Year);
sb.AppendLine("\t\tMonth: " + currentDate.Month);
sb.AppendLine("\t\tDay: " + currentDate.Day);
sb.AppendLine("\t\tHour: " + currentDate.Hour);
sb.AppendLine("\t\tMinute: " + currentDate.Minute);
sb.AppendLine("\t\tSecond: " + currentDate.Second);
sb.AppendLine("\t\tMillisecond: " + currentDate.Millisecond);
sb.AppendLine("\t}");
// Info on the Creator
sb.AppendLine("\tCreator: \"" + VersionInformation + "\"");
sb.AppendLine("\tSceneInfo: \"SceneInfo::GlobalInfo\", \"UserData\" {");
sb.AppendLine("\t\tType: \"UserData\"");
sb.AppendLine("\t\tVersion: 100");
sb.AppendLine("\t\tMetaData: {");
sb.AppendLine("\t\t\tVersion: 100");
sb.AppendLine("\t\t\tTitle: \"\"");
sb.AppendLine("\t\t\tSubject: \"\"");
sb.AppendLine("\t\t\tAuthor: \"\"");
sb.AppendLine("\t\t\tKeywords: \"\"");
sb.AppendLine("\t\t\tRevision: \"\"");
sb.AppendLine("\t\t\tComment: \"\"");
sb.AppendLine("\t\t}");
sb.AppendLine("\t\tProperties70: {");
// Information on how this item was originally generated
string documentInfoPaths = Application.dataPath + newPath + ".fbx";
sb.AppendLine("\t\t\tP: \"DocumentUrl\", \"KString\", \"Url\", \"\", \"" + documentInfoPaths + "\"");
sb.AppendLine("\t\t\tP: \"SrcDocumentUrl\", \"KString\", \"Url\", \"\", \"" + documentInfoPaths + "\"");
sb.AppendLine("\t\t\tP: \"Original\", \"Compound\", \"\", \"\"");
sb.AppendLine("\t\t\tP: \"Original|ApplicationVendor\", \"KString\", \"\", \"\", \"\"");
sb.AppendLine("\t\t\tP: \"Original|ApplicationName\", \"KString\", \"\", \"\", \"\"");
sb.AppendLine("\t\t\tP: \"Original|ApplicationVersion\", \"KString\", \"\", \"\", \"\"");
sb.AppendLine("\t\t\tP: \"Original|DateTime_GMT\", \"DateTime\", \"\", \"\", \"\"");
sb.AppendLine("\t\t\tP: \"Original|FileName\", \"KString\", \"\", \"\", \"\"");
sb.AppendLine("\t\t\tP: \"LastSaved\", \"Compound\", \"\", \"\"");
sb.AppendLine("\t\t\tP: \"LastSaved|ApplicationVendor\", \"KString\", \"\", \"\", \"\"");
sb.AppendLine("\t\t\tP: \"LastSaved|ApplicationName\", \"KString\", \"\", \"\", \"\"");
sb.AppendLine("\t\t\tP: \"LastSaved|ApplicationVersion\", \"KString\", \"\", \"\", \"\"");
sb.AppendLine("\t\t\tP: \"LastSaved|DateTime_GMT\", \"DateTime\", \"\", \"\", \"\"");
sb.AppendLine("\t\t}");
sb.AppendLine("\t}");
sb.AppendLine("}");
// The Global information
sb.AppendLine("GlobalSettings: {");
sb.AppendLine("\tVersion: 1000");
sb.AppendLine("\tProperties70: {");
sb.AppendLine("\t\tP: \"UpAxis\", \"int\", \"Integer\", \"\",1");
sb.AppendLine("\t\tP: \"UpAxisSign\", \"int\", \"Integer\", \"\",1");
sb.AppendLine("\t\tP: \"FrontAxis\", \"int\", \"Integer\", \"\",2");
sb.AppendLine("\t\tP: \"FrontAxisSign\", \"int\", \"Integer\", \"\",1");
sb.AppendLine("\t\tP: \"CoordAxis\", \"int\", \"Integer\", \"\",0");
sb.AppendLine("\t\tP: \"CoordAxisSign\", \"int\", \"Integer\", \"\",1");
sb.AppendLine("\t\tP: \"OriginalUpAxis\", \"int\", \"Integer\", \"\",-1");
sb.AppendLine("\t\tP: \"OriginalUpAxisSign\", \"int\", \"Integer\", \"\",1");
sb.AppendLine("\t\tP: \"UnitScaleFactor\", \"double\", \"Number\", \"\",100"); // NOTE: This sets the resize scale upon import
sb.AppendLine("\t\tP: \"OriginalUnitScaleFactor\", \"double\", \"Number\", \"\",100");
sb.AppendLine("\t\tP: \"AmbientColor\", \"ColorRGB\", \"Color\", \"\",0,0,0");
sb.AppendLine("\t\tP: \"DefaultCamera\", \"KString\", \"\", \"\", \"Producer Perspective\"");
sb.AppendLine("\t\tP: \"TimeMode\", \"enum\", \"\", \"\",11");
sb.AppendLine("\t\tP: \"TimeSpanStart\", \"KTime\", \"Time\", \"\",0");
sb.AppendLine("\t\tP: \"TimeSpanStop\", \"KTime\", \"Time\", \"\",479181389250");
sb.AppendLine("\t\tP: \"CustomFrameRate\", \"double\", \"Number\", \"\",-1");
sb.AppendLine("\t}");
sb.AppendLine("}");
// The Object definations
sb.AppendLine("; Object definitions");
sb.AppendLine(";------------------------------------------------------------------");
sb.AppendLine("");
sb.AppendLine("Definitions: {");
sb.AppendLine("\tVersion: 100");
sb.AppendLine("\tCount: 4");
sb.AppendLine("\tObjectType: \"GlobalSettings\" {");
sb.AppendLine("\t\tCount: 1");
sb.AppendLine("\t}");
sb.AppendLine("\tObjectType: \"Model\" {");
sb.AppendLine("\t\tCount: 1"); // TODO figure out if this count matters
sb.AppendLine("\t\tPropertyTemplate: \"FbxNode\" {");
sb.AppendLine("\t\t\tProperties70: {");
sb.AppendLine("\t\t\t\tP: \"QuaternionInterpolate\", \"enum\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"RotationOffset\", \"Vector3D\", \"Vector\", \"\",0,0,0");
sb.AppendLine("\t\t\t\tP: \"RotationPivot\", \"Vector3D\", \"Vector\", \"\",0,0,0");
sb.AppendLine("\t\t\t\tP: \"ScalingOffset\", \"Vector3D\", \"Vector\", \"\",0,0,0");
sb.AppendLine("\t\t\t\tP: \"ScalingPivot\", \"Vector3D\", \"Vector\", \"\",0,0,0");
sb.AppendLine("\t\t\t\tP: \"TranslationActive\", \"bool\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"TranslationMin\", \"Vector3D\", \"Vector\", \"\",0,0,0");
sb.AppendLine("\t\t\t\tP: \"TranslationMax\", \"Vector3D\", \"Vector\", \"\",0,0,0");
sb.AppendLine("\t\t\t\tP: \"TranslationMinX\", \"bool\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"TranslationMinY\", \"bool\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"TranslationMinZ\", \"bool\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"TranslationMaxX\", \"bool\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"TranslationMaxY\", \"bool\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"TranslationMaxZ\", \"bool\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"RotationOrder\", \"enum\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"RotationSpaceForLimitOnly\", \"bool\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"RotationStiffnessX\", \"double\", \"Number\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"RotationStiffnessY\", \"double\", \"Number\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"RotationStiffnessZ\", \"double\", \"Number\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"AxisLen\", \"double\", \"Number\", \"\",10");
sb.AppendLine("\t\t\t\tP: \"PreRotation\", \"Vector3D\", \"Vector\", \"\",0,0,0");
sb.AppendLine("\t\t\t\tP: \"PostRotation\", \"Vector3D\", \"Vector\", \"\",0,0,0");
sb.AppendLine("\t\t\t\tP: \"RotationActive\", \"bool\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"RotationMin\", \"Vector3D\", \"Vector\", \"\",0,0,0");
sb.AppendLine("\t\t\t\tP: \"RotationMax\", \"Vector3D\", \"Vector\", \"\",0,0,0");
sb.AppendLine("\t\t\t\tP: \"RotationMinX\", \"bool\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"RotationMinY\", \"bool\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"RotationMinZ\", \"bool\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"RotationMaxX\", \"bool\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"RotationMaxY\", \"bool\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"RotationMaxZ\", \"bool\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"InheritType\", \"enum\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"ScalingActive\", \"bool\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"ScalingMin\", \"Vector3D\", \"Vector\", \"\",0,0,0");
sb.AppendLine("\t\t\t\tP: \"ScalingMax\", \"Vector3D\", \"Vector\", \"\",1,1,1");
sb.AppendLine("\t\t\t\tP: \"ScalingMinX\", \"bool\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"ScalingMinY\", \"bool\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"ScalingMinZ\", \"bool\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"ScalingMaxX\", \"bool\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"ScalingMaxY\", \"bool\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"ScalingMaxZ\", \"bool\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"GeometricTranslation\", \"Vector3D\", \"Vector\", \"\",0,0,0");
sb.AppendLine("\t\t\t\tP: \"GeometricRotation\", \"Vector3D\", \"Vector\", \"\",0,0,0");
sb.AppendLine("\t\t\t\tP: \"GeometricScaling\", \"Vector3D\", \"Vector\", \"\",1,1,1");
sb.AppendLine("\t\t\t\tP: \"MinDampRangeX\", \"double\", \"Number\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"MinDampRangeY\", \"double\", \"Number\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"MinDampRangeZ\", \"double\", \"Number\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"MaxDampRangeX\", \"double\", \"Number\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"MaxDampRangeY\", \"double\", \"Number\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"MaxDampRangeZ\", \"double\", \"Number\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"MinDampStrengthX\", \"double\", \"Number\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"MinDampStrengthY\", \"double\", \"Number\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"MinDampStrengthZ\", \"double\", \"Number\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"MaxDampStrengthX\", \"double\", \"Number\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"MaxDampStrengthY\", \"double\", \"Number\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"MaxDampStrengthZ\", \"double\", \"Number\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"PreferedAngleX\", \"double\", \"Number\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"PreferedAngleY\", \"double\", \"Number\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"PreferedAngleZ\", \"double\", \"Number\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"LookAtProperty\", \"object\", \"\", \"\"");
sb.AppendLine("\t\t\t\tP: \"UpVectorProperty\", \"object\", \"\", \"\"");
sb.AppendLine("\t\t\t\tP: \"Show\", \"bool\", \"\", \"\",1");
sb.AppendLine("\t\t\t\tP: \"NegativePercentShapeSupport\", \"bool\", \"\", \"\",1");
sb.AppendLine("\t\t\t\tP: \"DefaultAttributeIndex\", \"int\", \"Integer\", \"\",-1");
sb.AppendLine("\t\t\t\tP: \"Freeze\", \"bool\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"LODBox\", \"bool\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"Lcl Translation\", \"Lcl Translation\", \"\", \"A\",0,0,0");
sb.AppendLine("\t\t\t\tP: \"Lcl Rotation\", \"Lcl Rotation\", \"\", \"A\",0,0,0");
sb.AppendLine("\t\t\t\tP: \"Lcl Scaling\", \"Lcl Scaling\", \"\", \"A\",1,1,1");
sb.AppendLine("\t\t\t\tP: \"Visibility\", \"Visibility\", \"\", \"A\",1");
sb.AppendLine("\t\t\t\tP: \"Visibility Inheritance\", \"Visibility Inheritance\", \"\", \"\",1");
sb.AppendLine("\t\t\t}");
sb.AppendLine("\t\t}");
sb.AppendLine("\t}");
// The geometry, this is IMPORTANT
sb.AppendLine("\tObjectType: \"Geometry\" {");
sb.AppendLine("\t\tCount: 1"); // TODO - this must be set by the number of items being placed.
sb.AppendLine("\t\tPropertyTemplate: \"FbxMesh\" {");
sb.AppendLine("\t\t\tProperties70: {");
sb.AppendLine("\t\t\t\tP: \"Color\", \"ColorRGB\", \"Color\", \"\",0.8,0.8,0.8");
sb.AppendLine("\t\t\t\tP: \"BBoxMin\", \"Vector3D\", \"Vector\", \"\",0,0,0");
sb.AppendLine("\t\t\t\tP: \"BBoxMax\", \"Vector3D\", \"Vector\", \"\",0,0,0");
sb.AppendLine("\t\t\t\tP: \"Primary Visibility\", \"bool\", \"\", \"\",1");
sb.AppendLine("\t\t\t\tP: \"Casts Shadows\", \"bool\", \"\", \"\",1");
sb.AppendLine("\t\t\t\tP: \"Receive Shadows\", \"bool\", \"\", \"\",1");
sb.AppendLine("\t\t\t}");
sb.AppendLine("\t\t}");
sb.AppendLine("\t}");
// The materials that are being placed. Has to be simple I think
sb.AppendLine("\tObjectType: \"Material\" {");
sb.AppendLine("\t\tCount: 1");
sb.AppendLine("\t\tPropertyTemplate: \"FbxSurfacePhong\" {");
sb.AppendLine("\t\t\tProperties70: {");
sb.AppendLine("\t\t\t\tP: \"ShadingModel\", \"KString\", \"\", \"\", \"Phong\"");
sb.AppendLine("\t\t\t\tP: \"MultiLayer\", \"bool\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"EmissiveColor\", \"Color\", \"\", \"A\",0,0,0");
sb.AppendLine("\t\t\t\tP: \"EmissiveFactor\", \"Number\", \"\", \"A\",1");
sb.AppendLine("\t\t\t\tP: \"AmbientColor\", \"Color\", \"\", \"A\",0.2,0.2,0.2");
sb.AppendLine("\t\t\t\tP: \"AmbientFactor\", \"Number\", \"\", \"A\",1");
sb.AppendLine("\t\t\t\tP: \"DiffuseColor\", \"Color\", \"\", \"A\",0.8,0.8,0.8");
sb.AppendLine("\t\t\t\tP: \"DiffuseFactor\", \"Number\", \"\", \"A\",1");
sb.AppendLine("\t\t\t\tP: \"Bump\", \"Vector3D\", \"Vector\", \"\",0,0,0");
sb.AppendLine("\t\t\t\tP: \"NormalMap\", \"Vector3D\", \"Vector\", \"\",0,0,0");
sb.AppendLine("\t\t\t\tP: \"BumpFactor\", \"double\", \"Number\", \"\",1");
sb.AppendLine("\t\t\t\tP: \"TransparentColor\", \"Color\", \"\", \"A\",0,0,0");
sb.AppendLine("\t\t\t\tP: \"TransparencyFactor\", \"Number\", \"\", \"A\",0");
sb.AppendLine("\t\t\t\tP: \"DisplacementColor\", \"ColorRGB\", \"Color\", \"\",0,0,0");
sb.AppendLine("\t\t\t\tP: \"DisplacementFactor\", \"double\", \"Number\", \"\",1");
sb.AppendLine("\t\t\t\tP: \"VectorDisplacementColor\", \"ColorRGB\", \"Color\", \"\",0,0,0");
sb.AppendLine("\t\t\t\tP: \"VectorDisplacementFactor\", \"double\", \"Number\", \"\",1");
sb.AppendLine("\t\t\t\tP: \"SpecularColor\", \"Color\", \"\", \"A\",0.2,0.2,0.2");
sb.AppendLine("\t\t\t\tP: \"SpecularFactor\", \"Number\", \"\", \"A\",1");
sb.AppendLine("\t\t\t\tP: \"ShininessExponent\", \"Number\", \"\", \"A\",20");
sb.AppendLine("\t\t\t\tP: \"ReflectionColor\", \"Color\", \"\", \"A\",0,0,0");
sb.AppendLine("\t\t\t\tP: \"ReflectionFactor\", \"Number\", \"\", \"A\",1");
sb.AppendLine("\t\t\t}");
sb.AppendLine("\t\t}");
sb.AppendLine("\t}");
// Explanation of how textures work
sb.AppendLine("\tObjectType: \"Texture\" {");
sb.AppendLine("\t\tCount: 2"); // TODO - figure out if this texture number is important
sb.AppendLine("\t\tPropertyTemplate: \"FbxFileTexture\" {");
sb.AppendLine("\t\t\tProperties70: {");
sb.AppendLine("\t\t\t\tP: \"TextureTypeUse\", \"enum\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"Texture alpha\", \"Number\", \"\", \"A\",1");
sb.AppendLine("\t\t\t\tP: \"CurrentMappingType\", \"enum\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"WrapModeU\", \"enum\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"WrapModeV\", \"enum\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"UVSwap\", \"bool\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"PremultiplyAlpha\", \"bool\", \"\", \"\",1");
sb.AppendLine("\t\t\t\tP: \"Translation\", \"Vector\", \"\", \"A\",0,0,0");
sb.AppendLine("\t\t\t\tP: \"Rotation\", \"Vector\", \"\", \"A\",0,0,0");
sb.AppendLine("\t\t\t\tP: \"Scaling\", \"Vector\", \"\", \"A\",1,1,1");
sb.AppendLine("\t\t\t\tP: \"TextureRotationPivot\", \"Vector3D\", \"Vector\", \"\",0,0,0");
sb.AppendLine("\t\t\t\tP: \"TextureScalingPivot\", \"Vector3D\", \"Vector\", \"\",0,0,0");
sb.AppendLine("\t\t\t\tP: \"CurrentTextureBlendMode\", \"enum\", \"\", \"\",1");
sb.AppendLine("\t\t\t\tP: \"UVSet\", \"KString\", \"\", \"\", \"default\"");
sb.AppendLine("\t\t\t\tP: \"UseMaterial\", \"bool\", \"\", \"\",0");
sb.AppendLine("\t\t\t\tP: \"UseMipMap\", \"bool\", \"\", \"\",0");
sb.AppendLine("\t\t\t}");
sb.AppendLine("\t\t}");
sb.AppendLine("\t}");
sb.AppendLine("}");
sb.AppendLine("");
sb.Append(objectProps.ToString());
sb.Append(objectConnections.ToString());
return(sb.ToString());
}
/// <summary>
/// Gets all the meshes and outputs to a string (even grabbing the child of each gameObject)
/// </summary>
/// <returns>The mesh to string.</returns>
/// <param name="gameObj">GameObject Parent.</param>
/// <param name="materials">Every Material in the parent that can be accessed.</param>
/// <param name="objects">The StringBuidler to create objects for the FBX file.</param>
/// <param name="connections">The StringBuidler to create connections for the FBX file.</param>
/// <param name="parentObject">Parent object, if left null this is the top parent.</param>
/// <param name="parentModelId">Parent model id, 0 if top parent.</param>
public static long GetMeshToString(GameObject gameObj,
Material colliderMaterial,
bool exportColliders,
ref StringBuilder objects,
ref StringBuilder connections,
out bool hasNormals,
out bool hasTangents,
GameObject parentObject = null,
long parentModelId = 0)
{
hasNormals = false;
hasTangents = false;
StringBuilder tempObjectSb = new StringBuilder();
StringBuilder tempConnectionsSb = new StringBuilder();
long geometryId = FBXExporter.GetRandomFBXId();
long modelId = FBXExporter.GetRandomFBXId();
// Sees if there is a mesh to export and add to the system
Mesh mesh = null;
var filter = gameObj.GetComponent <MeshFilter>();
if (!filter)
{
var skinnedMeshRenderer = gameObj.GetComponent <SkinnedMeshRenderer>();
if (!skinnedMeshRenderer)
{
if (exportColliders)
{
var meshCollider = gameObj.GetComponent <MeshCollider>();
if (meshCollider)
{
mesh = meshCollider.sharedMesh;
}
}
}
else
{
mesh = skinnedMeshRenderer.sharedMesh;
}
}
else
{
mesh = filter.sharedMesh;
}
string meshName = gameObj.name;
bool needObject = gameObj.transform.childCount > 0 || mesh;
if (!needObject)
{
return(0);
}
// A NULL parent means that the gameObject is at the top
string isMesh = "Null";
if (mesh)
{
meshName = mesh.name;
isMesh = "Mesh";
}
if (parentModelId == 0)
{
tempConnectionsSb.AppendLine("\t;Model::" + meshName + ", Model::RootNode");
}
else
{
tempConnectionsSb.AppendLine("\t;Model::" + meshName + ", Model::USING PARENT");
}
tempConnectionsSb.AppendLine("\tC: \"OO\"," + modelId + "," + parentModelId);
tempConnectionsSb.AppendLine();
tempObjectSb.AppendLine("\tModel: " + modelId + ", \"Model::" + gameObj.name + "\", \"" + isMesh + "\" {");
tempObjectSb.AppendLine("\t\tVersion: 232");
tempObjectSb.AppendLine("\t\tProperties70: {");
tempObjectSb.AppendLine("\t\t\tP: \"RotationOrder\", \"enum\", \"\", \"\",4");
tempObjectSb.AppendLine("\t\t\tP: \"RotationActive\", \"bool\", \"\", \"\",1");
tempObjectSb.AppendLine("\t\t\tP: \"InheritType\", \"enum\", \"\", \"\",1");
tempObjectSb.AppendLine("\t\t\tP: \"ScalingMax\", \"Vector3D\", \"Vector\", \"\",0,0,0");
tempObjectSb.AppendLine("\t\t\tP: \"DefaultAttributeIndex\", \"int\", \"Integer\", \"\",0");
// ===== Local Translation Offset =========
Vector3 position = gameObj.transform.localPosition;
tempObjectSb.Append("\t\t\tP: \"Lcl Translation\", \"Lcl Translation\", \"\", \"A+\",");
// Append the X Y Z coords to the system
tempObjectSb.AppendFormat("{0},{1},{2}", position.x * -1, position.y, position.z);
tempObjectSb.AppendLine();
// Rotates the object correctly from Unity space
Vector3 localRotation = gameObj.transform.localEulerAngles;
tempObjectSb.AppendFormat("\t\t\tP: \"Lcl Rotation\", \"Lcl Rotation\", \"\", \"A+\",{0},{1},{2}", localRotation.x, localRotation.y * -1, -1 * localRotation.z);
tempObjectSb.AppendLine();
// Adds the local scale of this object
Vector3 localScale = gameObj.transform.localScale;
tempObjectSb.AppendFormat("\t\t\tP: \"Lcl Scaling\", \"Lcl Scaling\", \"\", \"A\",{0},{1},{2}", localScale.x, localScale.y, localScale.z);
tempObjectSb.AppendLine();
tempObjectSb.AppendLine("\t\t\tP: \"currentUVSet\", \"KString\", \"\", \"U\", \"map1\"");
tempObjectSb.AppendLine("\t\t}");
tempObjectSb.AppendLine("\t\tShading: T");
tempObjectSb.AppendLine("\t\tCulling: \"CullingOff\"");
tempObjectSb.AppendLine("\t}");
// Adds in geometry if it exists, if it it does not exist, this is a empty gameObject file and skips over this
if (mesh)
{
// =================================
// General Geometry Info
// =================================
// Generate the geometry information for the mesh created
tempObjectSb.AppendLine("\tGeometry: " + geometryId + ", \"Geometry::\", \"Mesh\" {");
// ===== WRITE THE VERTICIES =====
Vector3[] vertices = mesh.vertices;
int vertCount = mesh.vertexCount * 3; // <= because the list of points is just a list of comma separated values, we need to multiply by three
tempObjectSb.AppendLine("\t\tVertices: *" + vertCount + " {");
tempObjectSb.Append("\t\t\ta: ");
for (int i = 0; i < vertices.Length; i++)
{
if (i > 0)
{
tempObjectSb.Append(",");
}
// Points in the vertices. We also reverse the x value because Unity has a reverse X coordinate
tempObjectSb.AppendFormat("{0},{1},{2}", vertices[i].x * -1, vertices[i].y, vertices[i].z);
}
tempObjectSb.AppendLine();
tempObjectSb.AppendLine("\t\t} ");
// ======= WRITE THE TRIANGLES ========
int triangleCount = mesh.triangles.Length;
int[] triangles = mesh.triangles;
tempObjectSb.AppendLine("\t\tPolygonVertexIndex: *" + triangleCount + " {");
// Write triangle indexes
tempObjectSb.Append("\t\t\ta: ");
for (int i = 0; i < triangleCount; i += 3)
{
if (i > 0)
{
tempObjectSb.Append(",");
}
// To get the correct normals, must rewind the triangles since we flipped the x direction
tempObjectSb.AppendFormat("{0},{1},{2}",
triangles[i],
triangles[i + 2],
(triangles[i + 1] * -1) - 1); // <= Tells the poly is ended
}
tempObjectSb.AppendLine();
tempObjectSb.AppendLine("\t\t} ");
tempObjectSb.AppendLine("\t\tGeometryVersion: 124");
tempObjectSb.AppendLine("\t\tLayerElementNormal: 0 {");
tempObjectSb.AppendLine("\t\t\tVersion: 101");
tempObjectSb.AppendLine("\t\t\tName: \"\"");
tempObjectSb.AppendLine("\t\t\tMappingInformationType: \"ByPolygonVertex\"");
tempObjectSb.AppendLine("\t\t\tReferenceInformationType: \"Direct\"");
// ===== WRITE THE NORMALS ==========
Vector3[] normals = mesh.normals;
if (normals != null && normals.Length != 0)
{
hasNormals = true;
tempObjectSb.AppendLine("\t\t\tNormals: *" + (triangleCount * 3) + " {");
tempObjectSb.Append("\t\t\t\ta: ");
for (int i = 0; i < triangleCount; i += 3)
{
if (i > 0)
{
tempObjectSb.Append(",");
}
// To get the correct normals, must rewind the normal triangles like the triangles above since x was flipped
Vector3 newNormal = normals[triangles[i]];
tempObjectSb.AppendFormat("{0},{1},{2},",
newNormal.x * -1, // Switch normal as is tradition
newNormal.y,
newNormal.z);
newNormal = normals[triangles[i + 2]];
tempObjectSb.AppendFormat("{0},{1},{2},",
newNormal.x * -1, // Switch normal as is tradition
newNormal.y,
newNormal.z);
newNormal = normals[triangles[i + 1]];
tempObjectSb.AppendFormat("{0},{1},{2}",
newNormal.x * -1, // Switch normal as is tradition
newNormal.y,
newNormal.z);
}
tempObjectSb.AppendLine();
tempObjectSb.AppendLine("\t\t\t}");
}
tempObjectSb.AppendLine("\t\t}");
Vector4[] tangents = mesh.tangents;
if (tangents != null && tangents.Length == normals.Length)
{
hasTangents = true;
tempObjectSb.AppendLine();
tempObjectSb.AppendLine("\t\tLayerElementTangent: 0 {");
tempObjectSb.AppendLine("\t\t\tVersion: 101");
tempObjectSb.AppendLine("\t\t\tName: \"\"");
tempObjectSb.AppendLine("\t\t\tMappingInformationType: \"ByPolygonVertex\"");
tempObjectSb.AppendLine("\t\t\tReferenceInformationType: \"Direct\"");
// ===== WRITE THE TANGENTS ==========
tempObjectSb.AppendLine("\t\t\tTangents: *" + (triangleCount * 3) + " {");
tempObjectSb.Append("\t\t\t\ta: ");
for (int i = 0; i < triangleCount; i += 3)
{
if (i > 0)
{
tempObjectSb.Append(",");
}
// To get the correct tangents, must rewind the tangent triangles like the triangles above since x was flipped
Vector3 newTangent = tangents[triangles[i]];
tempObjectSb.AppendFormat("{0},{1},{2},",
newTangent.x * -1, // Switch tangent as is tradition
newTangent.y,
newTangent.z);
newTangent = tangents[triangles[i + 2]];
tempObjectSb.AppendFormat("{0},{1},{2},",
newTangent.x * -1, // Switch tangent as is tradition
newTangent.y,
newTangent.z);
newTangent = tangents[triangles[i + 1]];
tempObjectSb.AppendFormat("{0},{1},{2}",
newTangent.x * -1, // Switch tangent as is tradition
newTangent.y,
newTangent.z);
}
tempObjectSb.AppendLine();
tempObjectSb.AppendLine("\t\t\t}");
tempObjectSb.AppendLine("\t\t}");
tempObjectSb.AppendLine();
tempObjectSb.AppendLine("\t\tLayerElementBinormal: 0 {");
tempObjectSb.AppendLine("\t\t\tVersion: 101");
tempObjectSb.AppendLine("\t\t\tName: \"\"");
tempObjectSb.AppendLine("\t\t\tMappingInformationType: \"ByPolygonVertex\"");
tempObjectSb.AppendLine("\t\t\tReferenceInformationType: \"Direct\"");
// ===== WRITE THE BINORMALS ==========
tempObjectSb.AppendLine("\t\t\tBinormals: *" + (triangleCount * 3) + " {");
tempObjectSb.Append("\t\t\t\ta: ");
for (int i = 0; i < triangleCount; i += 3)
{
if (i > 0)
{
tempObjectSb.Append(",");
}
// To get the correct binormals, must rewind the binormal triangles like the triangles above since x was flipped
Vector4 packed_tangent = tangents[triangles[i]];
Vector3 normal = normals[triangles[i]];
Vector3 newBinormal = Vector3.Cross(normal, (Vector3)packed_tangent) * packed_tangent.w;
tempObjectSb.AppendFormat("{0},{1},{2},",
newBinormal.x * -1, // Switch binormal as is tradition
newBinormal.y,
newBinormal.z);
packed_tangent = tangents[triangles[i + 2]];
normal = normals[triangles[i + 2]];
newBinormal = Vector3.Cross(normal, (Vector3)packed_tangent) * packed_tangent.w;
tempObjectSb.AppendFormat("{0},{1},{2},",
newBinormal.x * -1, // Switch binormal as is tradition
newBinormal.y,
newBinormal.z);
packed_tangent = tangents[triangles[i + 1]];
normal = normals[triangles[i + 1]];
newBinormal = Vector3.Cross(normal, (Vector3)packed_tangent) * packed_tangent.w;
tempObjectSb.AppendFormat("{0},{1},{2}",
newBinormal.x * -1, // Switch binormal as is tradition
newBinormal.y,
newBinormal.z);
}
tempObjectSb.AppendLine();
tempObjectSb.AppendLine("\t\t\t}");
tempObjectSb.AppendLine("\t\t}");
}
// ================ UV CREATION =========================
// -- UV 1 Creation
Vector2[] uvs = mesh.uv;
if (uvs != null && uvs.Length > 0)
{
int uvLength = uvs.Length;
tempObjectSb.AppendLine("\t\tLayerElementUV: 0 {"); // the Zero here is for the first UV map
tempObjectSb.AppendLine("\t\t\tVersion: 101");
tempObjectSb.AppendLine("\t\t\tName: \"map1\"");
tempObjectSb.AppendLine("\t\t\tMappingInformationType: \"ByPolygonVertex\"");
tempObjectSb.AppendLine("\t\t\tReferenceInformationType: \"IndexToDirect\"");
tempObjectSb.AppendLine("\t\t\tUV: *" + uvLength * 2 + " {");
tempObjectSb.Append("\t\t\t\ta: ");
for (int i = 0; i < uvLength; i++)
{
if (i > 0)
{
tempObjectSb.Append(",");
}
tempObjectSb.AppendFormat("{0},{1}", uvs[i].x, uvs[i].y);
}
tempObjectSb.AppendLine();
tempObjectSb.AppendLine("\t\t\t\t}");
// UV tile index coords
tempObjectSb.AppendLine("\t\t\tUVIndex: *" + triangleCount + " {");
tempObjectSb.Append("\t\t\t\ta: ");
for (int i = 0; i < triangleCount; i += 3)
{
if (i > 0)
{
tempObjectSb.Append(",");
}
// Triangles need to be fliped for the x flip
int index1 = triangles[i];
int index2 = triangles[i + 2];
int index3 = triangles[i + 1];
tempObjectSb.AppendFormat("{0},{1},{2}", index1, index2, index3);
}
tempObjectSb.AppendLine();
tempObjectSb.AppendLine("\t\t\t}");
tempObjectSb.AppendLine("\t\t}");
}
// -- UV 2 Creation
// TODO: Add UV2 Creation here
// -- Smoothing
// TODO: Smoothing doesn't seem to do anything when importing. This maybe should be added. -KBH
// ============ MATERIALS =============
tempObjectSb.AppendLine("\t\tLayerElementMaterial: 0 {");
tempObjectSb.AppendLine("\t\t\tVersion: 101");
tempObjectSb.AppendLine("\t\t\tName: \"\"");
tempObjectSb.AppendLine("\t\t\tMappingInformationType: \"ByPolygon\"");
tempObjectSb.AppendLine("\t\t\tReferenceInformationType: \"IndexToDirect\"");
int totalFaceCount = 0;
// So by polygon means that we need 1/3rd of how many indicies we wrote.
int numberOfSubmeshes = mesh.subMeshCount;
StringBuilder submeshesSb = new StringBuilder();
// For just one submesh, we set them all to zero
if (numberOfSubmeshes == 1)
{
int numFaces = triangles.Length / 3;
for (int i = 0; i < numFaces; i++)
{
submeshesSb.Append("0,");
totalFaceCount++;
}
}
else
{
List <int[]> allSubmeshes = new List <int[]>();
// Load all submeshes into a space
for (int i = 0; i < numberOfSubmeshes; i++)
{
allSubmeshes.Add(mesh.GetIndices(i));
}
// TODO: Optimize this search pattern
for (int i = 0; i < triangles.Length; i += 3)
{
for (int subMeshIndex = 0; subMeshIndex < allSubmeshes.Count; subMeshIndex++)
{
bool breaker = false;
for (int n = 0; n < allSubmeshes[subMeshIndex].Length; n += 3)
{
if (triangles[i] == allSubmeshes[subMeshIndex][n] &&
triangles[i + 1] == allSubmeshes[subMeshIndex][n + 1] &&
triangles[i + 2] == allSubmeshes[subMeshIndex][n + 2])
{
submeshesSb.Append(subMeshIndex.ToString());
submeshesSb.Append(",");
totalFaceCount++;
break;
}
if (breaker)
{
break;
}
}
}
}
}
tempObjectSb.AppendLine("\t\t\tMaterials: *" + totalFaceCount + " {");
tempObjectSb.Append("\t\t\t\ta: ");
tempObjectSb.AppendLine(submeshesSb.ToString());
tempObjectSb.AppendLine("\t\t\t} ");
tempObjectSb.AppendLine("\t\t}");
// ============= INFORMS WHAT TYPE OF LATER ELEMENTS ARE IN THIS GEOMETRY =================
tempObjectSb.AppendLine("\t\tLayer: 0 {");
tempObjectSb.AppendLine("\t\t\tVersion: 100");
tempObjectSb.AppendLine("\t\t\tLayerElement: {");
tempObjectSb.AppendLine("\t\t\t\tType: \"LayerElementNormal\"");
tempObjectSb.AppendLine("\t\t\t\tTypedIndex: 0");
tempObjectSb.AppendLine("\t\t\t}");
tempObjectSb.AppendLine("\t\t\tLayerElement: {");
tempObjectSb.AppendLine("\t\t\t\tType: \"LayerElementTangent\"");
tempObjectSb.AppendLine("\t\t\t\tTypedIndex: 0");
tempObjectSb.AppendLine("\t\t\t}");
tempObjectSb.AppendLine("\t\t\tLayerElement: {");
tempObjectSb.AppendLine("\t\t\t\tType: \"LayerElementBinormal\"");
tempObjectSb.AppendLine("\t\t\t\tTypedIndex: 0");
tempObjectSb.AppendLine("\t\t\t}");
tempObjectSb.AppendLine("\t\t\tLayerElement: {");
tempObjectSb.AppendLine("\t\t\t\tType: \"LayerElementMaterial\"");
tempObjectSb.AppendLine("\t\t\t\tTypedIndex: 0");
tempObjectSb.AppendLine("\t\t\t}");
tempObjectSb.AppendLine("\t\t\tLayerElement: {");
tempObjectSb.AppendLine("\t\t\t\tType: \"LayerElementTexture\"");
tempObjectSb.AppendLine("\t\t\t\tTypedIndex: 0");
tempObjectSb.AppendLine("\t\t\t}");
tempObjectSb.AppendLine("\t\t\tLayerElement: {");
tempObjectSb.AppendLine("\t\t\t\tType: \"LayerElementUV\"");
tempObjectSb.AppendLine("\t\t\t\tTypedIndex: 0");
tempObjectSb.AppendLine("\t\t\t}");
// TODO: Here we would add UV layer 1 for ambient occlusion UV file
// tempObjectSb.AppendLine("\t\t\tLayerElement: {");
// tempObjectSb.AppendLine("\t\t\t\tType: \"LayerElementUV\"");
// tempObjectSb.AppendLine("\t\t\t\tTypedIndex: 1");
// tempObjectSb.AppendLine("\t\t\t}");
tempObjectSb.AppendLine("\t\t}");
tempObjectSb.AppendLine("\t}");
// Add the connection for the model to the geometry so it is attached the right mesh
tempConnectionsSb.AppendLine("\t;Geometry::, Model::" + mesh.name);
tempConnectionsSb.AppendLine("\tC: \"OO\"," + geometryId + "," + modelId);
tempConnectionsSb.AppendLine();
// Add the connection of all the materials in order of submesh
MeshRenderer meshRenderer = gameObj.GetComponent <MeshRenderer>();
if (meshRenderer)
{
Material[] allMaterialsInThisMesh = meshRenderer.sharedMaterials;
for (int i = 0; i < allMaterialsInThisMesh.Length; i++)
{
Material mat = allMaterialsInThisMesh[i];
if (mat == null)
{
Debug.LogError("ERROR: the game object " + gameObj.name + " has an empty material on it. This will export problematic files. Please fix and reexport");
continue;
}
int referenceId = Mathf.Abs(mat.GetInstanceID());
tempConnectionsSb.AppendLine("\t;Material::" + mat.name + ", Model::" + mesh.name);
tempConnectionsSb.AppendLine("\tC: \"OO\"," + referenceId + "," + modelId);
tempConnectionsSb.AppendLine();
}
}
else
{
int referenceId = Mathf.Abs(colliderMaterial.GetInstanceID());
tempConnectionsSb.AppendLine("\t;Material::" + colliderMaterial.name + ", Model::" + mesh.name);
tempConnectionsSb.AppendLine("\tC: \"OO\"," + referenceId + "," + modelId);
tempConnectionsSb.AppendLine();
}
}
// Recursively add all the other objects to the string that has been built.
for (int i = 0; i < gameObj.transform.childCount; i++)
{
GameObject childObject = gameObj.transform.GetChild(i).gameObject;
bool recursiveHasNormals;
bool recursiveHasTangents;
FBXUnityMeshGetter.GetMeshToString(childObject, colliderMaterial, exportColliders, ref tempObjectSb, ref tempConnectionsSb, out recursiveHasNormals, out recursiveHasTangents, gameObj, modelId);
hasNormals = recursiveHasNormals | hasNormals;
hasTangents = recursiveHasTangents | hasTangents;
}
objects.Append(tempObjectSb.ToString());
connections.Append(tempConnectionsSb.ToString());
return(modelId);
}
/// <summary>
/// Gets all the meshes and outputs to a string (even grabbing the child of each gameObject)
/// </summary>
/// <returns>The mesh to string.</returns>
/// <param name="gameObj">GameObject Parent.</param>
/// <param name="materials">Every Material in the parent that can be accessed.</param>
/// <param name="objects">The StringBuidler to create objects for the FBX file.</param>
/// <param name="connections">The StringBuidler to create connections for the FBX file.</param>
/// <param name="parentObject">Parent object, if left null this is the top parent.</param>
/// <param name="parentModelId">Parent model id, 0 if top parent.</param>
public static long GetMeshToString(GameObject gameObj,
Material[] materials,
ref StringBuilder objects,
ref StringBuilder connections,
GameObject parentObject = null,
long parentModelId = 0)
{
StringBuilder tempObjectSb = new StringBuilder();
StringBuilder tempConnectionsSb = new StringBuilder();
long geometryId = FBXExporter.GetRandomFBXId();
long modelId = FBXExporter.GetRandomFBXId();
// Sees if there is a mesh to export and add to the system
MeshFilter filter = gameObj.GetComponent <MeshFilter>();
SkinnedMeshRenderer skinnedMesh = gameObj.GetComponent <SkinnedMeshRenderer>();
// The mesh to export is this level's mesh that is going to be exported
Mesh meshToExport = new Mesh();
if (filter != null)
{
meshToExport = filter.sharedMesh;
}
else if (skinnedMesh != null) // If this object has a skinned mesh on it, bake that mesh into whatever pose it is at and add it as a new mesh to export
{
meshToExport = new Mesh();
skinnedMesh.BakeMesh(meshToExport);
}
if (meshToExport == null)
{
Debug.LogError("Couldn't find a mesh to export");
}
string meshName = gameObj.name;
// A NULL parent means that the gameObject is at the top
string isMesh = "Null";
if (meshToExport != null)
{
meshName = meshToExport.name;
isMesh = "Mesh";
}
if (filter != null)
{
if (filter.sharedMesh == null)
{
// The MeshFilter has no mesh assigned, so treat it like an FBX Null node.
filter = null;
}
else
{
meshName = filter.sharedMesh.name;
isMesh = "Mesh";
}
}
// If we've got a skinned mesh without a name, give it a random name
if (meshName == "" && skinnedMesh != null)
{
meshName = "Skinned Mesh " + Random.Range(0, 1000000);
}
if (parentModelId == 0)
{
tempConnectionsSb.AppendLine("\t;Model::" + meshName + ", Model::RootNode");
}
else
{
tempConnectionsSb.AppendLine("\t;Model::" + meshName + ", Model::USING PARENT");
}
tempConnectionsSb.AppendLine("\tC: \"OO\"," + modelId + "," + parentModelId);
tempConnectionsSb.AppendLine();
tempObjectSb.AppendLine("\tModel: " + modelId + ", \"Model::" + gameObj.name + "\", \"" + isMesh + "\" {");
tempObjectSb.AppendLine("\t\tVersion: 232");
tempObjectSb.AppendLine("\t\tProperties70: {");
tempObjectSb.AppendLine("\t\t\tP: \"RotationOrder\", \"enum\", \"\", \"\",4");
tempObjectSb.AppendLine("\t\t\tP: \"RotationActive\", \"bool\", \"\", \"\",1");
tempObjectSb.AppendLine("\t\t\tP: \"InheritType\", \"enum\", \"\", \"\",1");
tempObjectSb.AppendLine("\t\t\tP: \"ScalingMax\", \"Vector3D\", \"Vector\", \"\",0,0,0");
tempObjectSb.AppendLine("\t\t\tP: \"DefaultAttributeIndex\", \"int\", \"Integer\", \"\",0");
// ===== Local Translation Offset =========
Vector3 position = gameObj.transform.localPosition;
tempObjectSb.Append("\t\t\tP: \"Lcl Translation\", \"Lcl Translation\", \"\", \"A+\",");
// Append the X Y Z coords to the system
tempObjectSb.AppendFormat("{0},{1},{2}", FE.FBXFormat(position.x * -1), FE.FBXFormat(position.y), FE.FBXFormat(position.z));
tempObjectSb.AppendLine();
// Rotates the object correctly from Unity space
Vector3 localRotation = gameObj.transform.localEulerAngles;
tempObjectSb.AppendFormat("\t\t\tP: \"Lcl Rotation\", \"Lcl Rotation\", \"\", \"A+\",{0},{1},{2}", FE.FBXFormat(localRotation.x), FE.FBXFormat(localRotation.y * -1), FE.FBXFormat(-1 * localRotation.z));
tempObjectSb.AppendLine();
// Adds the local scale of this object
Vector3 localScale = gameObj.transform.localScale;
tempObjectSb.AppendFormat("\t\t\tP: \"Lcl Scaling\", \"Lcl Scaling\", \"\", \"A\",{0},{1},{2}", FE.FBXFormat(localScale.x), FE.FBXFormat(localScale.y), FE.FBXFormat(localScale.z));
tempObjectSb.AppendLine();
tempObjectSb.AppendLine("\t\t\tP: \"currentUVSet\", \"KString\", \"\", \"U\", \"map1\"");
tempObjectSb.AppendLine("\t\t}");
tempObjectSb.AppendLine("\t\tShading: T");
tempObjectSb.AppendLine("\t\tCulling: \"CullingOff\"");
tempObjectSb.AppendLine("\t}");
// Adds in geometry if it exists, if it it does not exist, this is a empty gameObject file and skips over this
if (meshToExport != null)
{
Mesh mesh = meshToExport;
// =================================
// General Geometry Info
// =================================
// Generate the geometry information for the mesh created
tempObjectSb.AppendLine("\tGeometry: " + geometryId + ", \"Geometry::\", \"Mesh\" {");
// ===== WRITE THE VERTICIES =====
Vector3[] verticies = mesh.vertices;
int vertCount = mesh.vertexCount * 3; // <= because the list of points is just a list of comma seperated values, we need to multiply by three
tempObjectSb.AppendLine("\t\tVertices: *" + vertCount + " {");
tempObjectSb.Append("\t\t\ta: ");
for (int i = 0; i < verticies.Length; i++)
{
if (i > 0)
{
tempObjectSb.Append(",");
}
// Points in the verticies. We also reverse the x value because Unity has a reverse X coordinate
tempObjectSb.AppendFormat("{0},{1},{2}", FE.FBXFormat(verticies[i].x * -1), FE.FBXFormat(verticies[i].y), FE.FBXFormat(verticies[i].z));
}
tempObjectSb.AppendLine();
tempObjectSb.AppendLine("\t\t} ");
// ======= WRITE THE TRIANGLES ========
int triangleCount = mesh.triangles.Length;
int[] triangles = mesh.triangles;
tempObjectSb.AppendLine("\t\tPolygonVertexIndex: *" + triangleCount + " {");
// Write triangle indexes
tempObjectSb.Append("\t\t\ta: ");
for (int i = 0; i < triangleCount; i += 3)
{
if (i > 0)
{
tempObjectSb.Append(",");
}
// To get the correct normals, must rewind the triangles since we flipped the x direction
tempObjectSb.AppendFormat("{0},{1},{2}",
triangles[i],
triangles[i + 2],
(triangles[i + 1] * -1) - 1); // <= Tells the poly is ended
}
tempObjectSb.AppendLine();
tempObjectSb.AppendLine("\t\t} ");
tempObjectSb.AppendLine("\t\tGeometryVersion: 124");
tempObjectSb.AppendLine("\t\tLayerElementNormal: 0 {");
tempObjectSb.AppendLine("\t\t\tVersion: 101");
tempObjectSb.AppendLine("\t\t\tName: \"\"");
tempObjectSb.AppendLine("\t\t\tMappingInformationType: \"ByPolygonVertex\"");
tempObjectSb.AppendLine("\t\t\tReferenceInformationType: \"Direct\"");
// ===== WRITE THE NORMALS ==========
Vector3[] normals = mesh.normals;
tempObjectSb.AppendLine("\t\t\tNormals: *" + (triangleCount * 3) + " {");
tempObjectSb.Append("\t\t\t\ta: ");
for (int i = 0; i < triangleCount; i += 3)
{
if (i > 0)
{
tempObjectSb.Append(",");
}
// To get the correct normals, must rewind the normal triangles like the triangles above since x was flipped
Vector3 newNormal = normals[triangles[i]];
tempObjectSb.AppendFormat("{0},{1},{2},",
FE.FBXFormat(newNormal.x * -1), // Switch normal as is tradition
FE.FBXFormat(newNormal.y),
FE.FBXFormat(newNormal.z));
newNormal = normals[triangles[i + 2]];
tempObjectSb.AppendFormat("{0},{1},{2},",
FE.FBXFormat(newNormal.x * -1), // Switch normal as is tradition
FE.FBXFormat(newNormal.y),
FE.FBXFormat(newNormal.z));
newNormal = normals[triangles[i + 1]];
tempObjectSb.AppendFormat("{0},{1},{2}",
FE.FBXFormat(newNormal.x * -1), // Switch normal as is tradition
FE.FBXFormat(newNormal.y),
FE.FBXFormat(newNormal.z));
}
tempObjectSb.AppendLine();
tempObjectSb.AppendLine("\t\t\t}");
tempObjectSb.AppendLine("\t\t}");
// ===== WRITE THE COLORS =====
bool containsColors = mesh.colors.Length == verticies.Length;
if (containsColors)
{
Color[] colors = mesh.colors;
Dictionary <Color, int> colorTable = new Dictionary <Color, int>(); // reducing amount of data by only keeping unique colors.
int idx = 0;
// build index table of all the different colors present in the mesh
for (int i = 0; i < colors.Length; i++)
{
if (!colorTable.ContainsKey(colors[i]))
{
colorTable[colors[i]] = idx;
idx++;
}
}
tempObjectSb.AppendLine("\t\tLayerElementColor: 0 {");
tempObjectSb.AppendLine("\t\t\tVersion: 101");
tempObjectSb.AppendLine("\t\t\tName: \"Col\"");
tempObjectSb.AppendLine("\t\t\tMappingInformationType: \"ByPolygonVertex\"");
tempObjectSb.AppendLine("\t\t\tReferenceInformationType: \"IndexToDirect\"");
tempObjectSb.AppendLine("\t\t\tColors: *" + colorTable.Count * 4 + " {");
tempObjectSb.Append("\t\t\t\ta: ");
bool first = true;
foreach (KeyValuePair <Color, int> color in colorTable)
{
if (!first)
{
tempObjectSb.Append(",");
}
tempObjectSb.AppendFormat("{0},{1},{2},{3}", FE.FBXFormat(color.Key.r), FE.FBXFormat(color.Key.g), FE.FBXFormat(color.Key.b), FE.FBXFormat(color.Key.a));
first = false;
}
tempObjectSb.AppendLine();
tempObjectSb.AppendLine("\t\t\t\t}");
// Color index
tempObjectSb.AppendLine("\t\t\tColorIndex: *" + triangles.Length + " {");
tempObjectSb.Append("\t\t\t\ta: ");
for (int i = 0; i < triangles.Length; i += 3)
{
if (i > 0)
{
tempObjectSb.Append(",");
}
// Triangles need to be fliped for the x flip
int index1 = triangles[i];
int index2 = triangles[i + 2];
int index3 = triangles[i + 1];
// Find the color index related to that vertice index
index1 = colorTable[colors[index1]];
index2 = colorTable[colors[index2]];
index3 = colorTable[colors[index3]];
tempObjectSb.AppendFormat("{0},{1},{2}", index1, index2, index3);
}
tempObjectSb.AppendLine();
tempObjectSb.AppendLine("\t\t\t}");
tempObjectSb.AppendLine("\t\t}");
}
else
{
Debug.LogWarning("Mesh contains " + mesh.vertices.Length + " vertices for " + mesh.colors.Length + " colors. Skip color export");
}
// ================ UV CREATION =========================
// -- UV 1 Creation
int uvLength = mesh.uv.Length;
Vector2[] uvs = mesh.uv;
tempObjectSb.AppendLine("\t\tLayerElementUV: 0 {"); // the Zero here is for the first UV map
tempObjectSb.AppendLine("\t\t\tVersion: 101");
tempObjectSb.AppendLine("\t\t\tName: \"map1\"");
tempObjectSb.AppendLine("\t\t\tMappingInformationType: \"ByPolygonVertex\"");
tempObjectSb.AppendLine("\t\t\tReferenceInformationType: \"IndexToDirect\"");
tempObjectSb.AppendLine("\t\t\tUV: *" + uvLength * 2 + " {");
tempObjectSb.Append("\t\t\t\ta: ");
for (int i = 0; i < uvLength; i++)
{
if (i > 0)
{
tempObjectSb.Append(",");
}
tempObjectSb.AppendFormat("{0},{1}", FE.FBXFormat(uvs[i].x), FE.FBXFormat(uvs[i].y));
}
tempObjectSb.AppendLine();
tempObjectSb.AppendLine("\t\t\t\t}");
// UV tile index coords
tempObjectSb.AppendLine("\t\t\tUVIndex: *" + triangleCount + " {");
tempObjectSb.Append("\t\t\t\ta: ");
for (int i = 0; i < triangleCount; i += 3)
{
if (i > 0)
{
tempObjectSb.Append(",");
}
// Triangles need to be fliped for the x flip
int index1 = triangles[i];
int index2 = triangles[i + 2];
int index3 = triangles[i + 1];
tempObjectSb.AppendFormat("{0},{1},{2}", index1, index2, index3);
}
tempObjectSb.AppendLine();
tempObjectSb.AppendLine("\t\t\t}");
tempObjectSb.AppendLine("\t\t}");
// -- UV 2 Creation
// TODO: Add UV2 Creation here
// -- Smoothing
// TODO: Smoothing doesn't seem to do anything when importing. This maybe should be added. -KBH
// ============ MATERIALS =============
tempObjectSb.AppendLine("\t\tLayerElementMaterial: 0 {");
tempObjectSb.AppendLine("\t\t\tVersion: 101");
tempObjectSb.AppendLine("\t\t\tName: \"\"");
tempObjectSb.AppendLine("\t\t\tMappingInformationType: \"ByPolygon\"");
tempObjectSb.AppendLine("\t\t\tReferenceInformationType: \"IndexToDirect\"");
int totalFaceCount = 0;
// So by polygon means that we need 1/3rd of how many indicies we wrote.
int numberOfSubmeshes = mesh.subMeshCount;
StringBuilder submeshesSb = new StringBuilder();
// For just one submesh, we set them all to zero
if (numberOfSubmeshes == 1)
{
int numFaces = triangles.Length / 3;
for (int i = 0; i < numFaces; i++)
{
submeshesSb.Append("0,");
totalFaceCount++;
}
}
else
{
List <int[]> allSubmeshes = new List <int[]>();
// Load all submeshes into a space
for (int i = 0; i < numberOfSubmeshes; i++)
{
allSubmeshes.Add(mesh.GetIndices(i));
}
// TODO: Optimize this search pattern
for (int i = 0; i < triangles.Length; i += 3)
{
for (int subMeshIndex = 0; subMeshIndex < allSubmeshes.Count; subMeshIndex++)
{
bool breaker = false;
for (int n = 0; n < allSubmeshes[subMeshIndex].Length; n += 3)
{
if (triangles[i] == allSubmeshes[subMeshIndex][n] &&
triangles[i + 1] == allSubmeshes[subMeshIndex][n + 1] &&
triangles[i + 2] == allSubmeshes[subMeshIndex][n + 2])
{
submeshesSb.Append(subMeshIndex.ToString());
submeshesSb.Append(",");
totalFaceCount++;
break;
}
if (breaker)
{
break;
}
}
}
}
}
tempObjectSb.AppendLine("\t\t\tMaterials: *" + totalFaceCount + " {");
tempObjectSb.Append("\t\t\t\ta: ");
tempObjectSb.AppendLine(submeshesSb.ToString());
tempObjectSb.AppendLine("\t\t\t} ");
tempObjectSb.AppendLine("\t\t}");
// ============= INFORMS WHAT TYPE OF LATER ELEMENTS ARE IN THIS GEOMETRY =================
tempObjectSb.AppendLine("\t\tLayer: 0 {");
tempObjectSb.AppendLine("\t\t\tVersion: 100");
tempObjectSb.AppendLine("\t\t\tLayerElement: {");
tempObjectSb.AppendLine("\t\t\t\tType: \"LayerElementNormal\"");
tempObjectSb.AppendLine("\t\t\t\tTypedIndex: 0");
tempObjectSb.AppendLine("\t\t\t}");
tempObjectSb.AppendLine("\t\t\tLayerElement: {");
tempObjectSb.AppendLine("\t\t\t\tType: \"LayerElementMaterial\"");
tempObjectSb.AppendLine("\t\t\t\tTypedIndex: 0");
tempObjectSb.AppendLine("\t\t\t}");
tempObjectSb.AppendLine("\t\t\tLayerElement: {");
tempObjectSb.AppendLine("\t\t\t\tType: \"LayerElementTexture\"");
tempObjectSb.AppendLine("\t\t\t\tTypedIndex: 0");
tempObjectSb.AppendLine("\t\t\t}");
if (containsColors)
{
tempObjectSb.AppendLine("\t\t\tLayerElement: {");
tempObjectSb.AppendLine("\t\t\t\tType: \"LayerElementColor\"");
tempObjectSb.AppendLine("\t\t\t\tTypedIndex: 0");
tempObjectSb.AppendLine("\t\t\t}");
}
tempObjectSb.AppendLine("\t\t\tLayerElement: {");
tempObjectSb.AppendLine("\t\t\t\tType: \"LayerElementUV\"");
tempObjectSb.AppendLine("\t\t\t\tTypedIndex: 0");
tempObjectSb.AppendLine("\t\t\t}");
// TODO: Here we would add UV layer 1 for ambient occlusion UV file
// tempObjectSb.AppendLine("\t\t\tLayerElement: {");
// tempObjectSb.AppendLine("\t\t\t\tType: \"LayerElementUV\"");
// tempObjectSb.AppendLine("\t\t\t\tTypedIndex: 1");
// tempObjectSb.AppendLine("\t\t\t}");
tempObjectSb.AppendLine("\t\t}");
tempObjectSb.AppendLine("\t}");
// Add the connection for the model to the geometry so it is attached the right mesh
tempConnectionsSb.AppendLine("\t;Geometry::, Model::" + mesh.name);
tempConnectionsSb.AppendLine("\tC: \"OO\"," + geometryId + "," + modelId);
tempConnectionsSb.AppendLine();
// Add the connection of all the materials in order of submesh
MeshRenderer meshRenderer = gameObj.GetComponent <MeshRenderer>();
if (meshRenderer != null)
{
Material[] allMaterialsInThisMesh = meshRenderer.sharedMaterials;
for (int i = 0; i < allMaterialsInThisMesh.Length; i++)
{
Material mat = allMaterialsInThisMesh[i];
if (mat == null || mat.ToString() == "Default-Material (UnityEngine.Material)")
{
Material FixMaterial = FBXExporter.ReturnMaterial();
meshRenderer.GetComponent <Renderer>().material = FixMaterial;
continue;
}
else
{
int referenceId = Mathf.Abs(mat.GetInstanceID());
tempConnectionsSb.AppendLine("\t;Material::" + mat.name + ", Model::" + mesh.name);
tempConnectionsSb.AppendLine("\tC: \"OO\"," + referenceId + "," + modelId);
tempConnectionsSb.AppendLine();
continue;
}
}
}
}
// Recursively add all the other objects to the string that has been built.
for (int i = 0; i < gameObj.transform.childCount; i++)
{
GameObject childObject = gameObj.transform.GetChild(i).gameObject;
FBXUnityMeshGetter.GetMeshToString(childObject, materials, ref tempObjectSb, ref tempConnectionsSb, gameObj, modelId);
}
objects.Append(tempObjectSb.ToString());
connections.Append(tempConnectionsSb.ToString());
return(modelId);
}
