//TODO needs to be changed to account for single points
/// <summary>
/// Turns a bunch of random numbers into valid barycentric coordinates
/// </summary>
/// <param name="one"></param>
/// <param name="two"></param>
/// <param name="three"></param>
/// <returns></returns>
static string[] toBary(Bary b)
{
double[] bary =
{
1, 1, 1,
1, 1, 1,
1, 1, 1
};
//Points
/*if (baryArr[index, 0] > 0 && baryArr[index, 4] <= 0 && baryArr[index, 5] <= 0)
* {
*
* bary[1] = 0;
* bary[4] = baryArr[index, 0];
* bary[7] = baryArr[index, 0];
*
* }
*
* if (baryArr[index, 1] > 0 && baryArr[index, 3] <= 0 && baryArr[index, 5] <= 0)
* {
* bary[2] = baryArr[index, 1];
* bary[5] = 0;
* bary[8] = baryArr[index, 1];
* }
*
* if (baryArr[index, 2] > 0 && baryArr[index, 3] <= 0 && baryArr[index, 4] <= 0)
* {
* bary[0] = baryArr[index, 2];
* bary[3] = baryArr[index, 2];
* bary[6] = 0;
* }*/
//Lines
if (b.l0 > 0)
{
bary[0] = b.l0;
bary[3] = 0;
bary[6] = 0;
}
if (b.l1 > 0)
{
bary[1] = 0;
bary[4] = b.l1;
bary[7] = 0;
}
if (b.l2 > 0)
{
bary[2] = 0;
bary[5] = 0;
bary[8] = b.l2;
}
string[] baryString = new string[3];
for (int i = 0, c = 0; i < 9; i += 3, c++)
{
baryString[c] = bary[i] + "," + bary[i + 1] + "," + bary[i + 2] + ",";
}
return(baryString);
}
static int nullBonesC = 0; //TODO remove this counter
public static void Main(string[] args)
{
//Dir
if (Directory.Exists("./obj"))
{
Console.WriteLine("Directory Found");
}
else
{
printError("Creating Dir");
Directory.CreateDirectory("./obj");
}
//File Input
string fileName = "./obj/" + getUserInput("File name");
if (fileName == "./obj/")
{
string[] possibleFiles = Directory.GetFiles("./obj");
foreach (string currFileName in possibleFiles)
{
if (!currFileName.EndsWith(".txt") && !currFileName.EndsWith(".js"))
{
fileName = currFileName;
break;
}
}
}
else
{
string[] possibleFiles = Directory.GetFiles("./obj");
foreach (string currFileName in possibleFiles)
{
if (!currFileName.Contains("fileName"))
{
fileName = currFileName;
break;
}
}
}
Console.WriteLine("Files found, starting to read them");
try { File.Delete("./obj/output.txt"); }
catch (Exception e)
{
printError("No file to delete, ignore this error" + e);
}
//Create a new importer
AssimpContext importer = new AssimpContext();
importer.SetConfig(new IFCUseCustomTriangulationConfig(true));
importer.SetConfig(new SortByPrimitiveTypeConfig(PrimitiveType.Line | PrimitiveType.Point));
importer.SetConfig(new VertexBoneWeightLimitConfig(4));
//This is how we add a configuration (each config is its own class)
//NormalSmoothingAngleConfig config = new NormalSmoothingAngleConfig(66.0f);
//importer.SetConfig(config);
//This is how we add a logging callback
LogStream logstream = new LogStream(delegate(String msg, String userData)
{
Console.WriteLine(msg);
});
logstream.Attach();
//Import the model. All configs are set. The model
//is imported, loaded into managed memory. Then the unmanaged memory is released, and everything is reset.
//Triangulating is already being done
//TODO aiProcess_JoinIdenticalVertices (Index buffer objects)
scene = importer.ImportFile(fileName, PostProcessPreset.TargetRealTimeMaximumQuality | PostProcessSteps.FlipUVs | PostProcessSteps.OptimizeMeshes | PostProcessSteps.OptimizeGraph | PostProcessSteps.SortByPrimitiveType | PostProcessSteps.LimitBoneWeights);
extractBones(scene.RootNode);
createBoneTree(scene.RootNode, -1, Matrix4x4.Identity);
parseNode(scene.RootNode);
//End of example
importer.Dispose();
adjVert = (Lookup <Vector3D, triAndVertIndex>)toLookup.ToLookup((item) => item.Key, (item) => item.Value);
//First 3 => Point, Second 3 => Line
//TODO Make this a bit better
//For each triangle, store some bary coords
Bary[] bary = new Bary[normals.Count]; //Filled with: default( int )
//Edit
#region Bary coords and bones
//Lines:
for (int j = 0; j < toLookup.Count; j += 3)
{
Vector3D v0 = toLookup[j + 2].Key - toLookup[j + 1].Key;
Vector3D v1 = toLookup[j + 2].Key - toLookup[j].Key;
Vector3D v2 = toLookup[j + 1].Key - toLookup[j].Key;
double area = Math.Abs(Vector3D.Cross(v1, v2).Length()) / 2; //Determinant of a 2D matrix, used to calculate the area of a parallelogram
IEnumerable <triAndVertIndex> matchingVertices0 = adjVert[toLookup[j].Key];
IEnumerable <triAndVertIndex> matchingVertices1 = adjVert[toLookup[j + 1].Key];
IEnumerable <triAndVertIndex> matchingVertices2 = adjVert[toLookup[j + 2].Key];
//2 Matching points
//TriIndex = triangle index of the adjacent triangle
foreach (triAndVertIndex index in matchingVertices0)
{
//Oh, yeah! It's working! (Magic!)
//TODO turn this into a function as well
foreach (triAndVertIndex otherIndex in matchingVertices1)
{
//If it is part of the same line
if (otherIndex.triIndex == index.triIndex)
{
double angleBetweenTriangles = (Vector3D.Dot(faceNormals[j / 3], faceNormals[otherIndex.triIndex]));
if (angleBetweenTriangles < THRESHOLD)
{
//area = 1/2*base*height
//2*area / base = height
/*
* dist = vec3(area / v0.Length(), 0, 0);
* gl_Position = gl_PositionIn[0];
* EmitVertex();
* dist = vec3(0, area / v1.Length(), 0);
* gl_Position = gl_PositionIn[1];
* EmitVertex();
* dist = vec3(0, 0, area / v2.Length());
* gl_Position = gl_PositionIn[2];
* EmitVertex();*/
bary[j / 3].l2 = area / v2.Length(); // 1;// angleBetweenTriangles + addTo;
}
//If we found the adjacent triangle, we can go to the next one
break;
}
}
}
foreach (triAndVertIndex index in matchingVertices1)
{
foreach (triAndVertIndex otherIndex in matchingVertices2)
{
if (otherIndex.triIndex == index.triIndex)
{
double angleBetweenTriangles = (Vector3D.Dot(faceNormals[j / 3], faceNormals[otherIndex.triIndex]));
if (angleBetweenTriangles < THRESHOLD)
{
bary[j / 3].l0 = area / v0.Length(); // TODO angleBetweenTriangles + addTo;
}
break;
}
}
}
foreach (triAndVertIndex index in matchingVertices2)
{
foreach (triAndVertIndex otherIndex in matchingVertices0)
{
if (otherIndex.triIndex == index.triIndex)
{
double angleBetweenTriangles = (Vector3D.Dot(faceNormals[j / 3], faceNormals[otherIndex.triIndex]));
if (angleBetweenTriangles < THRESHOLD)
{
bary[j / 3].l1 = area / v1.Length(); // TODO angleBetweenTriangles + addTo;
}
break;
}
}
}
}
//Draw the points as well
for (int j = 0; j < toLookup.Count; j += 3)
{
Vector3D v0 = toLookup[j + 2].Key - toLookup[j + 1].Key;
Vector3D v1 = toLookup[j + 2].Key - toLookup[j].Key;
Vector3D v2 = toLookup[j + 1].Key - toLookup[j].Key;
double area = Math.Abs(Vector3D.Cross(v1, v2).Length()) / 2; //Determinant of a 2D matrix, used to calculate the area of a parallelogram
IEnumerable <triAndVertIndex> matchingVertices0 = adjVert[toLookup[j].Key];
IEnumerable <triAndVertIndex> matchingVertices1 = adjVert[toLookup[j + 1].Key];
IEnumerable <triAndVertIndex> matchingVertices2 = adjVert[toLookup[j + 2].Key];
/*int numberOfAdjBary = 0;
*
* //Index of the adjacent triangle
* foreach (triAndVertIndex index in matchingVertices0)
* {
* //TODO turn this into a function as well
* if ((bary[index.triIndex], ((index.vertIndex + 1) % 3) + 3] > 0 || bary[index.triIndex, ((index.vertIndex + 2) % 3) + 3] > 0)
* && index.triIndex != j / 3)
* {
* numberOfAdjBary++;
* }
* }
* //Every line is actually 2 lines
* if (numberOfAdjBary >= 4)
* {
* //Now, we need to do the point calculations
* double dist0 = area / v0.Length();
* //bary[j / 3, 0] = ;
* }
* numberOfAdjBary = 0;
* foreach (triAndVertIndex index in matchingVertices1)
* {
* if ((bary[index.triIndex, ((index.vertIndex + 1) % 3) + 3] > 0 || bary[index.triIndex, ((index.vertIndex + 2) % 3) + 3] > 0)
* && index.triIndex != j / 3)
* {
* numberOfAdjBary++;
* }
* }
* if (numberOfAdjBary >= 4)
* {
* bary[j / 3, 1] = area / v1.Length();
* }
* numberOfAdjBary = 0;
* foreach (triAndVertIndex index in matchingVertices2)
* {
* if ((bary[index.triIndex, ((index.vertIndex + 1) % 3) + 3] > 0 || bary[index.triIndex, ((index.vertIndex + 2) % 3) + 3] > 0)
* && index.triIndex != j / 3)
* {
* numberOfAdjBary++;
* }
* }
* if (numberOfAdjBary >= 4)
* {
* bary[j / 3, 2] = area / v2.Length();
* }***/
}
#endregion
#if true
//Create the output file
StreamWriter JSONFile = File.CreateText("./obj/output.txt");
//Write to file
JSONFile.Write("model = [");
bool firstTime = true;
for (int j = 0, texCount = 0; j < vertices.Count; j++)
{
var index = j - texCount;
Vector3D[] currVert = Program.vertices[j];
if (currVert.Length == 1)
{
if (firstTime)
{
JSONFile.Write("{");
firstTime = false;
}
else
{
JSONFile.Write("]},\n{");
}
JSONFile.Write("name:\"" + texNames[(int)currVert[0].X] + "\",model:[");
Console.Write(texNames[(int)currVert[0].X] + "---");
texCount++;
}
else
{
//Edit
string[] baryCoordsOfTri = toBary(bary[index]);
//Triangle
for (int i = 0; i < 3; i++)
{
JSONFile.Write(Vec3DToString(currVert[i]));
JSONFile.Write(UVToString(uvs[index][i]));
JSONFile.Write(Vec3DToString(normals[index][i]));
JSONFile.Write(baryCoordsOfTri[i]);
bones[index][i].Weights[1] = 0;
if (bones[index][i].BoneIDs[1] == -1)
{
bones[index][i].Weights[0] = 1;
}
if (bones[index][i].Weights[0] == 0.5)
{
bones[index][i].Weights[0] = 0.49f;
}
JSONFile.Write((bones[index][i].BoneIDs[0] + 0.5) + "," + (bones[index][i].BoneIDs[1] + 0.5)
+ "," + bones[index][i].Weights[0] + ",");
if (bones[index][i].Weights[0] > 0.45 && bones[index][i].Weights[0] < 0.55)
{
//printError("W1: " + string.Join(",.,", bones[index][i].Weights));
}
if (bones[index][i].Weights[0] > 0.9)
{
//printError("W1: " + string.Join(",.,", bones[index][i].Weights));
}
}
}
}
JSONFile.Write("]}];");
JSONFile.Close();
#endif
StreamWriter bonesFile = File.CreateText("./obj/outputBones.txt");
//You are going to have to reorder the parts manually
bonesFile.Write("bones = [");
foreach (BoneInfo boneNode in boneNodesList)
{
//TODO Number of bones (To nearest power of 2)
//TODO Max number of influencing bones per vertex
Quaternion rot, offsetRot;
Vector3D translation, offsetTranslation;
Vector3D scale, offsetScale;
boneNode.localMat.Decompose(out scale, out rot, out translation);
boneNode.BoneOffsetMatrix.Decompose(out offsetScale, out offsetRot, out offsetTranslation);
//Console.WriteLine(QuaternionToString(rot) + "->\n" + MatToString1(rot.GetMatrix()));
//Console.WriteLine(QuaternionToString(rot) + "->\n" + Matrix4x4.FromTranslation(translation));
//Don't use .ToString(), use a custom function!
bonesFile.WriteLine(
"{name:\"" + boneNode.Name + "\",parent:" + boneNode.Parent +
",pos:[" + Vec3DToString(translation, false) + "],qRot:[" + QuaternionToString(rot) + "],offsetPos:["
+ Vec3DToString(offsetTranslation, false) + "],offsetRot:[" + QuaternionToString(offsetRot) + "]},");
}
bonesFile.Write("];");
bonesFile.WriteLine("\nvar animations = [];");
bonesFile.Close();
try { File.Delete("./obj/output.js"); } catch (Exception) { };
try { File.Delete("./obj/outputBones.js"); } catch (Exception) { };
try { File.Move("./obj/output.txt", Path.ChangeExtension("./obj/output.txt", ".js")); } catch (Exception) { };
try { File.Move("./obj/outputBones.txt", Path.ChangeExtension("./obj/outputBones.txt", ".js")); } catch (Exception) { };
Console.WriteLine("Info: {0} Bones {1} vertices without bones", boneNodesList.Count, nullBonesC);
Console.WriteLine("DONE!");
Console.Read();
}