public void ExportOBJ(string filename)
{
MDLBlock mdl;// = (Blocks[BlockHeader.MAGIC_MODEL3] ?? Blocks[BlockHeader.MAGIC_MODEL2]) as MDLBlock;
if (Blocks.ContainsKey(BlockHeader.MAGIC_MODEL2))
{
mdl = Blocks[BlockHeader.MAGIC_MODEL2] as MDLBlock;
}
else if (Blocks.ContainsKey(BlockHeader.MAGIC_MODEL3))
{
mdl = Blocks[BlockHeader.MAGIC_MODEL3] as MDLBlock;
}
else
{
throw new Exception("No supported MDL block found.");
}
GeometryBlock geo;// = Blocks[BlockHeader.MAGIC_GEOMETRY2] as GeometryBlock;
if (Blocks.ContainsKey(BlockHeader.MAGIC_GEOMETRY1))
{
geo = Blocks[BlockHeader.MAGIC_GEOMETRY1] as GeometryBlock;
}
else if (Blocks.ContainsKey(BlockHeader.MAGIC_GEOMETRY2))
{
geo = Blocks[BlockHeader.MAGIC_GEOMETRY2] as GeometryBlock;
}
else
{
throw new Exception("No supported GEO block found.");
}
using (StreamWriter matwriter = new StreamWriter(Path.ChangeExtension(filename, ".mtl")))
using (StreamWriter writer = new StreamWriter(filename))
{
writer.WriteLine("mtllib " + Path.GetFileNameWithoutExtension(filename) + ".mtl");
int m = 0;
int vertexOffset = 0;
foreach (GeometryBlock.LOD lod in geo.LODs)
{
writer.WriteLine("g LOD" + lod.Type.ToString());
foreach (RenderGroup group in lod.RenderGroups)
{
// Write a new material
MaterialProps mat = mdl.Materials[group.Material];
matwriter.WriteLine("newmtl " + Path.GetFileNameWithoutExtension(filename) + "_" + m);
matwriter.WriteLine("Ka " + (mat.Ambient.X + mat.Emissive.X) + " " + (mat.Ambient.Y + mat.Emissive.Y) + " " + (mat.Ambient.Z + mat.Emissive.Z));
matwriter.WriteLine("Kd " + mat.Diffuse.X + " " + mat.Diffuse.Y + " " + mat.Diffuse.Z);
matwriter.WriteLine("Ks " + mat.Specular.X + " " + mat.Specular.Y + " " + mat.Specular.Z);
matwriter.WriteLine("Ns " + mat.Shininess);
matwriter.WriteLine("d " + (1.0f - mat.Transparency));
foreach (TextureBlend blend in group.TextureBlends)
{
if (blend.Effect == Texture.MapType.Base)
{
matwriter.WriteLine("map_Kd " + Path.GetFileName(mdl.TextureReferences[blend.TextureIndex].MapName));
// Write Texture
if (Program.Filesystem != null)
{
using (MemoryStream ms = new MemoryStream(Program.Filesystem.GetFileData(Program.Filesystem.GetFileEntry(mdl.TextureReferences[blend.TextureIndex].MapName.Replace(".tga", ".PC TEXTURE")))))
using (BinaryReader texReader = new BinaryReader(ms))
{
Texture tex = new Texture(texReader);
tex.DumpTGA(Path.Combine(Path.GetDirectoryName(filename), Path.GetFileNameWithoutExtension(mdl.TextureReferences[blend.TextureIndex].MapName)) + ".tga");
}
}
}
}
writer.WriteLine("usemtl " + Path.GetFileNameWithoutExtension(filename) + "_" + m);
writer.WriteLine("o LOD" + lod.Type.ToString() + "_group" + lod.RenderGroups.IndexOf(group));
// Write vertices
for (int v = 0; v < group.VertexCount; v++)
{
writer.WriteLine("v " + (Context.Current.Game == Context.NextGenGame.LegoRacers2 ? -1.0f : 1.0f) * ParseFloat(group.VertexBuffer.VertexData, v * (int)group.VertexBuffer.VertexSize + (int)group.VertexBuffer.PositionOffset) + " " + ParseFloat(group.VertexBuffer.VertexData, v * (int)group.VertexBuffer.VertexSize + (int)group.VertexBuffer.PositionOffset + 4) + " " + ParseFloat(group.VertexBuffer.VertexData, v * (int)group.VertexBuffer.VertexSize + (int)group.VertexBuffer.PositionOffset + 8));
writer.WriteLine("vn " + ParseFloat(group.VertexBuffer.VertexData, v * (int)group.VertexBuffer.VertexSize + (int)group.VertexBuffer.NormalOffset) + " " + ParseFloat(group.VertexBuffer.VertexData, v * (int)group.VertexBuffer.VertexSize + (int)group.VertexBuffer.NormalOffset + 4) + " " + ParseFloat(group.VertexBuffer.VertexData, v * (int)group.VertexBuffer.VertexSize + (int)group.VertexBuffer.NormalOffset + 8));
writer.WriteLine("vt " + ParseFloat(group.VertexBuffer.VertexData, v * (int)group.VertexBuffer.VertexSize + (int)group.VertexBuffer.UVOffset) + " " + ParseFloat(group.VertexBuffer.VertexData, v * (int)group.VertexBuffer.VertexSize + (int)group.VertexBuffer.UVOffset + 4));
}
for (int i = 0; i < group.IndexBuffer.IndexCount; i += 3)
{
int i1 = BitConverter.ToUInt16(group.IndexBuffer.IndexData, i * 2) + vertexOffset + 1;
int i2 = BitConverter.ToUInt16(group.IndexBuffer.IndexData, i * 2 + 2) + vertexOffset + 1;
int i3 = BitConverter.ToUInt16(group.IndexBuffer.IndexData, i * 2 + 4) + vertexOffset + 1;
/*if (Context.Current.Game == Context.NextGenGame.LegoRacers2)
* {
* // Flip the order of the indices
* int temp = i1;
* i1 = i2;
* i2 = i3;
* i3 = temp;
* }*/
writer.WriteLine("f " + i1 + "/" + i1 + "/" + i1 + " " + i2 + "/" + i2 + "/" + i2 + " " + i3 + "/" + i3 + "/" + i3);
}
vertexOffset += group.VertexCount;
m++;
}
}
}
}
public void ExportOBJ(string filename)
{
using (System.IO.StreamWriter objWriter = new StreamWriter(filename, false))
using (System.IO.StreamWriter mtlWriter = new StreamWriter(Path.ChangeExtension(filename, ".mtl"), false))
{
objWriter.WriteLine("mtllib " + Path.GetFileNameWithoutExtension(filename) + ".mtl");
HashSet <string> writtenMaterials = new HashSet <string>();
int vertexOffset = 0;
foreach (RenderGroup rg in this.RenderGroups)
{
TextureBlend baseTexture = rg.TextureBlends.First(tb => tb.Effect == Texture.MapType.Base);
string texturePath = BitmapIndices[baseTexture.TextureIndex].MapName;
string materialName = Path.GetFileNameWithoutExtension(texturePath);
// Create the material if it's the first time it's being used
if (!writtenMaterials.Contains(materialName))
{
mtlWriter.WriteLine("newmtl " + materialName);
MaterialProps mat = this.MaterialIndices[rg.Material];
mtlWriter.WriteLine("Ka " + (mat.Ambient.X + mat.Emissive.X) + " " + (mat.Ambient.Y + mat.Emissive.Y) + " " + (mat.Ambient.Z + mat.Emissive.Z));
mtlWriter.WriteLine("Kd " + mat.Diffuse.X + " " + mat.Diffuse.Y + " " + mat.Diffuse.Z);
mtlWriter.WriteLine("Ks " + mat.Specular.X + " " + mat.Specular.Y + " " + mat.Specular.Z);
mtlWriter.WriteLine("Ns " + mat.Shininess);
mtlWriter.WriteLine("d " + (1.0f - mat.Transparency));
// Write Texture
if (Program.Filesystem != null)
{
if (texturePath.EndsWith(".tga"))
{
mtlWriter.WriteLine("map_Kd " + Path.GetFileName(texturePath));
using (MemoryStream ms = new MemoryStream(Program.Filesystem.GetFileData(Program.Filesystem.GetFileEntry(texturePath.Replace(".tga", "." + Context.Current.Platform.ToString() + " TEXTURE")))))
using (BinaryReader texReader = new BinaryReader(ms))
{
Texture tex = new Texture(texReader);
tex.DumpTGA(Path.Combine(Path.GetDirectoryName(filename), Path.GetFileNameWithoutExtension(texturePath)) + ".tga");
}
}
else if (texturePath.EndsWith(".ifl"))
{
using (MemoryStream iflMs = new MemoryStream(Program.Filesystem.GetFileData(Program.Filesystem.GetFileEntry(texturePath))))
{
IFLFile ifl = new IFLFile(iflMs, texturePath);
mtlWriter.WriteLine("map_Kd " + Path.GetFileName(ifl.Frames[0].TextureFilename));
using (MemoryStream ms = new MemoryStream(Program.Filesystem.GetFileData(Program.Filesystem.GetFileEntry(Path.Combine(Path.GetDirectoryName(texturePath), ifl.Frames[0].TextureFilename.Replace(".tga", "." + Context.Current.Platform.ToString() + " TEXTURE"))))))
using (BinaryReader texReader = new BinaryReader(ms))
{
Texture tex = new Texture(texReader);
tex.DumpTGA(Path.Combine(Path.GetDirectoryName(filename), Path.GetFileNameWithoutExtension(ifl.Frames[0].TextureFilename)) + ".tga");
}
}
}
}
}
objWriter.WriteLine("usemtl " + materialName);
// Write vertices
for (int v = 0; v < rg.VertexCount; v++)
{
objWriter.WriteLine("v " + (Context.Current.Game == Context.NextGenGame.LegoRacers2 ? -1.0f : -1.0f) * ParseFloat(rg.VertexBuffer.VertexData, v * (int)rg.VertexBuffer.VertexSize + (int)rg.VertexBuffer.PositionOffset) + " " + ParseFloat(rg.VertexBuffer.VertexData, v * (int)rg.VertexBuffer.VertexSize + (int)rg.VertexBuffer.PositionOffset + 4) + " " + ParseFloat(rg.VertexBuffer.VertexData, v * (int)rg.VertexBuffer.VertexSize + (int)rg.VertexBuffer.PositionOffset + 8));
objWriter.WriteLine("vn " + ParseFloat(rg.VertexBuffer.VertexData, v * (int)rg.VertexBuffer.VertexSize + (int)rg.VertexBuffer.NormalOffset) + " " + ParseFloat(rg.VertexBuffer.VertexData, v * (int)rg.VertexBuffer.VertexSize + (int)rg.VertexBuffer.NormalOffset + 4) + " " + ParseFloat(rg.VertexBuffer.VertexData, v * (int)rg.VertexBuffer.VertexSize + (int)rg.VertexBuffer.NormalOffset + 8));
objWriter.WriteLine("vt " + ParseFloat(rg.VertexBuffer.VertexData, v * (int)rg.VertexBuffer.VertexSize + (int)rg.VertexBuffer.UVOffset) + " " + ParseFloat(rg.VertexBuffer.VertexData, v * (int)rg.VertexBuffer.VertexSize + (int)rg.VertexBuffer.UVOffset + 4));
}
for (int i = 0; i < rg.IndexBuffer.IndexCount; i += 3)
{
int i1 = BitConverter.ToUInt16(rg.IndexBuffer.IndexData, i * 2) + vertexOffset + 1;
int i2 = BitConverter.ToUInt16(rg.IndexBuffer.IndexData, i * 2 + 2) + vertexOffset + 1;
int i3 = BitConverter.ToUInt16(rg.IndexBuffer.IndexData, i * 2 + 4) + vertexOffset + 1;
/*if (Context.Current.Game == Context.NextGenGame.LegoRacers2)
* {
* // Flip the order of the indices
* int temp = i1;
* i1 = i2;
* i2 = i3;
* i3 = temp;
* }*/
objWriter.WriteLine("f " + i1 + "/" + i1 + "/" + i1 + " " + i2 + "/" + i2 + "/" + i2 + " " + i3 + "/" + i3 + "/" + i3);
}
vertexOffset += rg.VertexCount;
}
}
}
