static ColladaGeometry GetGeometry(CL.UpAxisType up, CL.geometry geo, CL.library_materials matlib, CL.library_effects fxlib)
{
var conv = new ColladaGeometry()
{
FVF = D3DFVF.XYZ
};
conv.Name = string.IsNullOrEmpty(geo.name) ? geo.id : geo.name;
var msh = geo.Item as CL.mesh;
if (msh == null)
{
return(null);
}
List <VertexPositionNormalDiffuseTextureTwo> vertices = new List <VertexPositionNormalDiffuseTextureTwo>();
List <int> hashes = new List <int>();
List <ushort> indices = new List <ushort>();
List <ColladaDrawcall> drawcalls = new List <ColladaDrawcall>();
Dictionary <string, GeometrySource> sources = new Dictionary <string, GeometrySource>();
Dictionary <string, float[]> arrays = new Dictionary <string, float[]>();
Dictionary <string, GeometrySource> verticesRefs = new Dictionary <string, GeometrySource>();
int placeHolderIdx = 0;
//Get arrays
foreach (var acc in msh.source)
{
var arr = acc.Item as CL.float_array;
arrays.Add(arr.id, FloatArray(arr.Text));
}
//Accessors
foreach (var acc in msh.source)
{
sources.Add(acc.id, new GeometrySource(acc, arrays));
}
//Process geometry
foreach (var item in msh.Items)
{
if (!(item is CL.triangles || item is CL.polylist || item is CL.polygons))
{
FLLog.Warning("Collada", "Ignoring " + item.GetType().Name + " element.");
}
}
int totalTriangles = 0;
foreach (var item in msh.Items.Where(x => x is CL.triangles || x is CL.polylist || x is CL.polygons))
{
if (item is CL.triangles)
{
totalTriangles += (int)((CL.triangles)item).count;
}
else if (item is CL.polylist plist)
{
totalTriangles += (int)plist.count;
}
else
{
totalTriangles += (int)((CL.polygons)item).count;
}
}
if (totalTriangles > 21845)
{
throw new Exception(string.Format(
"Overflow!\nCollada geometry {0} has {1} triangles\nVMeshData has limit of 21845",
string.IsNullOrEmpty(geo.name) ? geo.id : geo.name,
totalTriangles));
}
foreach (var item in msh.Items.Where(x => x is CL.triangles || x is CL.polylist || x is CL.polygons))
{
CL.InputLocalOffset[] inputs;
int[] pRefs;
int indexCount;
string materialRef;
ColladaMaterial material;
if (item is CL.triangles)
{
var triangles = (CL.triangles)item;
indexCount = (int)(triangles.count * 3);
pRefs = IntArray(triangles.p);
inputs = triangles.input;
materialRef = triangles.material;
}
else if (item is CL.polygons polygons)
{
indexCount = (int)(polygons.count * 3);
int j = 0;
pRefs = new int[indexCount];
foreach (var arr in polygons.Items)
{
if (!(arr is string))
{
throw new Exception("Polygons: ph element unsupported");
}
var ints = IntArray((string)arr);
if (ints.Length != 3)
{
throw new Exception("Polygons: non-triangle geometry not supported");
}
pRefs[j] = ints[0];
pRefs[j + 1] = ints[1];
pRefs[j + 2] = ints[2];
j += 3;
}
inputs = polygons.input;
materialRef = polygons.material;
}
else
{
var plist = (CL.polylist)item;
pRefs = IntArray(plist.p);
foreach (var c in IntArray(plist.vcount))
{
if (c != 3)
{
throw new Exception("Polylist: non-triangle geometry");
}
}
materialRef = plist.material;
inputs = plist.input;
indexCount = (int)(plist.count * 3);
}
if (indexCount == 0)
{
continue; //Skip empty
}
material = ParseMaterial(materialRef, matlib, fxlib);
int pStride = 0;
foreach (var input in inputs)
{
pStride = Math.Max((int)input.offset, pStride);
}
pStride++;
GeometrySource sourceXYZ = null; int offXYZ = int.MinValue;
GeometrySource sourceNORMAL = null; int offNORMAL = int.MinValue;
GeometrySource sourceCOLOR = null; int offCOLOR = int.MinValue;
GeometrySource sourceUV1 = null; int offUV1 = int.MinValue;
GeometrySource sourceUV2 = null; int offUV2 = int.MinValue;
int texCount = 0;
int startIdx = indices.Count;
foreach (var input in inputs)
{
switch (input.semantic)
{
case SEM_VERTEX:
if (CheckURI(input.source) != msh.vertices.id)
{
throw new Exception("VERTEX doesn't match mesh vertices");
}
foreach (var ip2 in msh.vertices.input)
{
switch (ip2.semantic)
{
case SEM_POSITION:
offXYZ = (int)input.offset;
sourceXYZ = sources[CheckURI(ip2.source)];
break;
case SEM_NORMAL:
offNORMAL = (int)input.offset;
sourceNORMAL = sources[CheckURI(ip2.source)];
conv.FVF |= D3DFVF.NORMAL;
break;
case SEM_COLOR:
offCOLOR = (int)input.offset;
sourceCOLOR = sources[CheckURI(ip2.source)];
conv.FVF |= D3DFVF.DIFFUSE;
break;
case SEM_TEXCOORD:
if (texCount == 2)
{
throw new Exception("Too many texcoords!");
}
if (texCount == 1)
{
offUV2 = (int)input.offset;
sourceUV2 = sources[CheckURI(ip2.source)];
conv.FVF &= ~D3DFVF.TEX1;
conv.FVF |= D3DFVF.TEX2;
}
else
{
offUV1 = (int)input.offset;
sourceUV1 = sources[CheckURI(ip2.source)];
if ((conv.FVF & D3DFVF.TEX2) != D3DFVF.TEX2)
{
conv.FVF |= D3DFVF.TEX1;
}
}
texCount++;
break;
}
}
break;
case SEM_POSITION:
offXYZ = (int)input.offset;
sourceXYZ = sources[CheckURI(input.source)];
break;
case SEM_NORMAL:
offNORMAL = (int)input.offset;
sourceNORMAL = sources[CheckURI(input.source)];
conv.FVF |= D3DFVF.NORMAL;
break;
case SEM_COLOR:
offCOLOR = (int)input.offset;
sourceCOLOR = sources[CheckURI(input.source)];
conv.FVF |= D3DFVF.DIFFUSE;
break;
case SEM_TEXCOORD:
if (texCount == 2)
{
throw new Exception("Too many texcoords!");
}
if (texCount == 1)
{
offUV2 = (int)input.offset;
sourceUV2 = sources[CheckURI(input.source)];
conv.FVF &= ~D3DFVF.TEX1;
conv.FVF |= D3DFVF.TEX2;
}
else
{
offUV1 = (int)input.offset;
sourceUV1 = sources[CheckURI(input.source)];
if ((conv.FVF & D3DFVF.TEX2) != D3DFVF.TEX2)
{
conv.FVF |= D3DFVF.TEX1;
}
}
texCount++;
break;
}
}
int vertexOffset = vertices.Count;
for (int i = 0; i < indexCount; i++)
{
int idx = i * pStride;
var vert = new VertexPositionNormalDiffuseTextureTwo(
VecAxis(up, sourceXYZ.GetXYZ(pRefs[idx + offXYZ])),
offNORMAL == int.MinValue ? Vector3.Zero : VecAxis(up, sourceNORMAL.GetXYZ(pRefs[idx + offNORMAL])),
offCOLOR == int.MinValue ? (uint)Color4.White.ToRgba() : (uint)sourceCOLOR.GetColor(pRefs[idx + offCOLOR]).ToRgba(),
offUV1 == int.MinValue ? Vector2.Zero : sourceUV1.GetUV(pRefs[idx + offUV1]),
offUV2 == int.MinValue ? Vector2.Zero : sourceUV2.GetUV(pRefs[idx + offUV2])
);
var hash = HashVert(ref vert);
var vertIdx = FindDuplicate(hashes, vertices, vertexOffset, ref vert, hash);
if (indices.Count >= ushort.MaxValue)
{
throw new Exception("Too many indices");
}
if (vertIdx == -1)
{
if (vertices.Count + 1 >= ushort.MaxValue)
{
throw new Exception("Too many vertices");
}
indices.Add((ushort)(vertices.Count - vertexOffset));
vertices.Add(vert);
hashes.Add(hash);
}
else
{
indices.Add((ushort)(vertIdx - vertexOffset));
}
}
drawcalls.Add(new ColladaDrawcall()
{
StartIndex = startIdx,
StartVertex = vertexOffset,
EndVertex = vertices.Count - 1,
TriCount = (indices.Count - startIdx) / 3,
Material = material
});
}
conv.Indices = indices.ToArray();
conv.Vertices = vertices.ToArray();
conv.Drawcalls = drawcalls.ToArray();
conv.CalculateDimensions();
return(conv);
}
public static EditableUtf Generate(string iconName, LUtfNode textureNode, bool alpha)
{
var modelFile = new EditableUtf();
var unique = IdSalt.New();
string textureName = $"data.icon.{iconName}.{unique}.tga";
string materialName = $"data.icon.{iconName}.{unique}";
string meshName = $"data.icon.{iconName}.lod0-{unique}.vms";
//VMeshLibrary
var geom = new ColladaGeometry();
geom.Vertices = vertices;
geom.Indices = indices;
geom.FVF = D3DFVF.NORMAL | D3DFVF.XYZ | D3DFVF.TEX1;
geom.Drawcalls = new[]
{
new ColladaDrawcall()
{
StartVertex = 0, EndVertex = 3, Material = new ColladaMaterial()
{
Name = materialName
}, StartIndex = 0, TriCount = 2
}
};
geom.CalculateDimensions();
var vmsLib = new LUtfNode()
{
Name = "VMeshLibrary", Parent = modelFile.Root, Children = new List <LUtfNode>()
};
modelFile.Root.Children.Add(vmsLib);
var vmsName = new LUtfNode()
{
Name = meshName, Parent = vmsLib, Children = new List <LUtfNode>()
};
vmsLib.Children.Add(vmsName);
vmsName.Children.Add(new LUtfNode()
{
Name = "VMeshData",
Parent = vmsName,
Data = geom.VMeshData()
});
//VMeshPart
var vmeshPart = new LUtfNode()
{
Name = "VMeshPart", Parent = modelFile.Root, Children = new List <LUtfNode>()
};
modelFile.Root.Children.Add(vmeshPart);
vmeshPart.Children.Add(new LUtfNode()
{
Name = "VMeshRef", Parent = vmeshPart, Data = geom.VMeshRef(meshName)
});
//Texture
var textureLibrary = new LUtfNode()
{
Name = "Texture Library",
Parent = modelFile.Root
};
textureLibrary.Children = new List <LUtfNode>();
var clonedTex = textureNode.MakeCopy();
clonedTex.Parent = textureLibrary;
clonedTex.Name = textureName;
textureLibrary.Children.Add(clonedTex);
modelFile.Root.Children.Add(textureLibrary);
//Material
var materialLibrary = new LUtfNode()
{
Name = "Material Library",
Parent = modelFile.Root
};
materialLibrary.Children = new List <LUtfNode>();
var material = new LUtfNode()
{
Name = materialName,
Parent = materialLibrary
};
material.Children = new List <LUtfNode>();
material.Children.Add(new LUtfNode()
{
Name = "Type",
Parent = material,
Data = Encoding.ASCII.GetBytes(alpha ? "DcDtOcOt" : "DcDt")
});
material.Children.Add(new LUtfNode()
{
Name = "Dt_name",
Parent = material,
Data = Encoding.ASCII.GetBytes(textureName)
});
material.Children.Add(new LUtfNode()
{
Name = "Dt_flags",
Parent = material,
Data = BitConverter.GetBytes((int)SamplerFlags.Default)
});
materialLibrary.Children.Add(material);
modelFile.Root.Children.Add(materialLibrary);
return(modelFile);
}
