private void ConvertToObj(MeshData mesh, string filename = "object", params bool[] flags)
{
mesh = mesh.Clone();
try
{
Queue <float> uvsq = new Queue <float>();
for (int i = 0; i < mesh.Uv.Length; i++)
{
if (i + 4 > mesh.UvCount)
{
continue;
}
float[] transform = new float[] { mesh.Uv[i], mesh.Uv[++i], mesh.Uv[++i], mesh.Uv[++i] };
if (flags[0])
{
Mat22.Scale(transform, transform, new float[] { capi.BlockTextureAtlas.Size.Width / 32, -(capi.BlockTextureAtlas.Size.Height / 32) });
Mat22X.Translate(transform, transform, new float[] { 0.0f, 1.0f });
}
if (flags[1])
{
Mat22.Scale(transform, transform, new float[] { 1.0f, -1.0f });
Mat22X.Translate(transform, transform, new float[] { 0.0f, 1.0f });
}
for (int j = 0; j < transform.Length; j++)
{
uvsq.Enqueue(transform[j]);
}
}
mesh.Translate(-0.5f, -0.5f, -0.5f);
float[] uvs = uvsq.ToArray();
using (TextWriter tw = new StreamWriter(Path.Combine(GamePaths.Binaries, filename + ".obj")))
{
tw.WriteLine("o " + filename);
for (int i = 0; i < mesh.xyz.Length; i++)
{
if (i % 3 == 0)
{
if (i != 0)
{
tw.WriteLine();
}
tw.Write("v " + mesh.xyz[i].ToString("F6"));
}
else
{
tw.Write(" " + mesh.xyz[i].ToString("F6"));
}
}
tw.WriteLine();
for (int i = 0; i < uvs.Length; i++)
{
if (i % 2 == 0)
{
if (i != 0)
{
tw.WriteLine();
}
tw.Write("vt " + uvs[i].ToString("F6"));
}
else
{
tw.Write(" " + uvs[i].ToString("F6"));
}
}
tw.WriteLine();
for (int i = 0; i < mesh.Indices.Length; i++)
{
tw.WriteLine(
"f " + (mesh.Indices[i] + 1) + "/" + (mesh.Indices[i] + 1) + " "
+ (mesh.Indices[++i] + 1) + "/" + (mesh.Indices[i] + 1) + " "
+ (mesh.Indices[++i] + 1) + "/" + (mesh.Indices[i] + 1));
}
tw.Close();
}
}
catch (Exception)
{
}
}
public virtual void ExportAsObj()
{
try
{
Mesh.Translate(-0.5f, -0.5f, -0.5f);
float[] uvs = Mesh.Uv;
using (TextWriter tw = new StreamWriter(FilePath))
{
tw.Write("o " + FileName);
for (int i = 0; i < Mesh.Uv.Length / 4; i++)
{
if (i + 4 > Mesh.UvCount)
{
continue;
}
float[] transform = new float[] { Mesh.Uv[i * 4 + 0], Mesh.Uv[i * 4 + 1], Mesh.Uv[i * 4 + 2], Mesh.Uv[i * 4 + 3] };
Mat22.Scale(transform, transform, new float[] { 1.0f, -1.0f });
Mat22X.Translate(transform, transform, new float[] { 0.0f, 1.0f });
Mesh.Uv[i * 4 + 0] = transform[0];
Mesh.Uv[i * 4 + 1] = transform[1];
Mesh.Uv[i * 4 + 2] = transform[2];
Mesh.Uv[i * 4 + 3] = transform[3];
}
for (int i = 0; i < Mesh.VerticesCount; i++)
{
tw.WriteLine();
tw.Write(string.Format("v {0} {1} {2}", Mesh.xyz[i * 3 + 0].ToString("F6"), Mesh.xyz[i * 3 + 1].ToString("F6"), Mesh.xyz[i * 3 + 2].ToString("F6")));
}
for (int i = 0; i < Mesh.FlagsCount; i++)
{
tw.WriteLine();
tw.Write(string.Format("vf {0}", Mesh.Flags[i].ToString()));
}
for (int i = 0; i < (Mesh.CustomBytes?.Count ?? 0); i++)
{
tw.WriteLine();
tw.Write(string.Format("cb {0}", Mesh.CustomBytes.Values[i].ToString()));
}
for (int i = 0; i < (Mesh.CustomFloats?.Count ?? 0); i++)
{
tw.WriteLine();
tw.Write(string.Format("cf {0}", Mesh.CustomFloats.Values[i].ToString("F6")));
}
for (int i = 0; i < (Mesh.CustomInts?.Count ?? 0); i++)
{
tw.WriteLine();
tw.Write(string.Format("ci {0}", Mesh.CustomInts.Values[i].ToString()));
}
for (int i = 0; i < (Mesh.CustomShorts?.Count ?? 0); i++)
{
tw.WriteLine();
tw.Write(string.Format("cs {0}", Mesh.CustomShorts.Values[i].ToString()));
}
for (int i = 0; i < uvs.Length / 2; i++)
{
tw.WriteLine();
tw.Write(string.Format("vt {0} {1}", uvs[i * 2 + 0].ToString("F6"), uvs[i * 2 + 1].ToString("F6")));
}
tw.WriteLine();
tw.Write("usemtl TextureAtlas");
for (int i = 0; i < Mesh.Indices.Length / 3; i++)
{
tw.WriteLine();
tw.Write(string.Format("f {0}/{0} {1}/{1} {2}/{2}", Mesh.Indices[i * 3 + 0] + 1, Mesh.Indices[i * 3 + 1] + 1, Mesh.Indices[i * 3 + 2] + 1));
}
tw.Close();
}
}
catch (Exception)
{
}
}
