protected void LoadModelExtras()
{
var mode = this;
#region Mesh Merging
foreach (var reg in mode.Regions)
{
foreach (var perm in reg.Permutations)
{
if (perm.PieceCount < 2) continue;
var firstPart = mode.ModelSections[perm.PieceIndex];
if (firstPart.Submeshes.Count == 0) continue;
var verts = firstPart.Vertices.ToList();
var indices = firstPart.Indices.ToList();
for (int i = 1; i < perm.PieceCount; i++)
{
var nextPart = mode.ModelSections[perm.PieceIndex + i];
foreach (var mesh in nextPart.Submeshes)
{
firstPart.Submeshes.Add(mesh);
mesh.FaceIndex += indices.Count;
}
for (int j = 0; j < nextPart.Indices.Length; j++) nextPart.Indices[j] += verts.Count;
verts.AddRange(nextPart.Vertices);
indices.AddRange(nextPart.Indices);
nextPart.UnloadRaw(); //save memory seeing as it wont be used now
}
firstPart.Vertices = verts.ToArray();
firstPart.Indices = indices.ToArray();
}
}
#endregion
#region Mesh Splitting
if (mode.InstancedGeometryIndex == -1) return;
var part = mode.ModelSections[mode.InstancedGeometryIndex];
var list = new List<mode.ModelSection>();
for (int i = 0; i < part.Submeshes.Count; i++)
{
var submesh = part.Submeshes[i];
for (int j = submesh.SubsetIndex; j < (submesh.SubsetIndex + submesh.SubsetCount); j++)
{
var set = part.Subsets[j];
var vList = ModelFunctions.GetTriangleList(part.Indices, set.FaceIndex, set.FaceCount, mode.IndexInfoList[part.FacesIndex].FaceFormat);
var newStrip = vList.ToArray();
var min = vList.Min();
var max = vList.Max();
//adjust faces to start at 0, seeing as
//we're going to use a new set of vertices
for (int k = 0; k < newStrip.Length; k++)
newStrip[k] -= min;
var verts = new Vertex[(max - min) + 1];
for (int k = 0; k < verts.Length; k++) //need to deep clone in case the vertices need to be
verts[k] = (Vertex)ModelFunctions.DeepClone(part.Vertices[k + min]); //transformed, so it doesnt transform all instances
#region Make new instances
var newPart = new mode.ModelSection()
{
Vertices = verts,
Indices = newStrip,
Submeshes = new List<mode.ModelSection.Submesh>(),
Subsets = new List<mode.ModelSection.Subset>(),
VertexFormat = 1,
OpaqueNodesPerVertex = part.OpaqueNodesPerVertex,
NodeIndex = mode.GeomInstances[j].NodeIndex,
VertsIndex = mode.VertInfoList.Count,
FacesIndex = mode.IndexInfoList.Count
};
mode.VertInfoList.Add(new mode.VertexBufferInfo()
{
VertexCount = verts.Length //dont need the rest
});
mode.IndexInfoList.Add(new mode.IndexBufferInfo()
{
FaceFormat = 3 //dont need the rest
});
var newMesh = new mode.ModelSection.Submesh()
{
SubsetCount = 1,
SubsetIndex = 0,
FaceIndex = 0,
FaceCount = newStrip.Length,
ShaderIndex = submesh.ShaderIndex,
VertexCount = verts.Length
};
var newSet = new mode.ModelSection.Subset()
{
SubmeshIndex = 0,
FaceIndex = 0,
FaceCount = newStrip.Length,
VertexCount = verts.Length
};
#endregion
newPart.Submeshes.Add(newMesh);
newPart.Subsets.Add(newSet);
list.Add(newPart);
}
}
//clear raw to save memory seeing as it wont be used anymore
mode.ModelSections[mode.InstancedGeometryIndex].UnloadRaw();
mode.ModelSections.AddRange(list.ToArray());
var newRegion = new mode.Region()
{
Name = "Instances",
Permutations = new List<mode.Region.Permutation>()
};
for (int i = 0; i < list.Count; i++)
{
var newPerm = new mode.Region.Permutation()
{
Name = mode.GeomInstances[i].Name,
PieceIndex = mode.InstancedGeometryIndex + i + 1,
PieceCount = 1
};
newRegion.Permutations.Add(newPerm);
}
for (int i = 0; i < newRegion.Permutations.Count; i++)
{
var modelPart = mode.ModelSections[newRegion.Permutations[i].PieceIndex];
var instance = mode.GeomInstances[i];
//negative scale flips the faces after transform, fix it
if (instance.TransformScale < 0) Array.Reverse(modelPart.Indices);
for (int j = 0; j < modelPart.Vertices.Length; j++)
{
var vert = modelPart.Vertices[j];
VertexValue p, n, v, w;
vert.TryGetValue("position", 0, out p);
vert.TryGetValue("normal", 0, out n);
p.Data *= instance.TransformScale;
p.Data.Point3DTransform(instance.TransformMatrix);
n.Data *= instance.TransformScale;
n.Data.Vector3DTransform(instance.TransformMatrix);
if (vert.TryGetValue("blendindices", 0, out v))
v.Data = new Vector(instance.NodeIndex, 0, 0, 0);
else
vert.Values.Add(new VertexValue(new Vector(instance.NodeIndex, 0, 0, 0), VertexValue.ValueType.Int8_N4, "blendindices", 0));
if (vert.TryGetValue("blendweight", 0, out w))
w.Data = new Vector(instance.NodeIndex, 0, 0, 0);
else
vert.Values.Add(new VertexValue(new Vector(1, 0, 0, 0), VertexValue.ValueType.Int8_N4, "blendweight", 0));
}
}
mode.Regions.Add(newRegion);
#endregion
}
public override void LoadRaw()
{
if (RawLoaded) return;
#region Clusters
for (int i = 0; i < Clusters.Count; i++)
{
var section = (Halo2Xbox.scenario_structure_bsp.ModelSection)ModelSections[i];
if (section.rSize.Length == 0 || section.vertcount == 0)
{
IndexInfoList.Add(new mode.IndexBufferInfo());
continue;
}
var data = cache.GetRawFromID(section.rawOffset, section.rawSize);
var ms = new MemoryStream(data);
var reader = new EndianReader(ms, Endian.EndianFormat.LittleEndian);
#region Read Submeshes
for (int j = 0; j < section.rSize[0] / 72; j++)
{
var mesh = new mode.ModelSection.Submesh();
reader.SeekTo(section.hSize + section.rOffset[0] + j * 72 + 4);
mesh.ShaderIndex = reader.ReadUInt16();
mesh.FaceIndex = reader.ReadUInt16();
mesh.FaceCount = reader.ReadUInt16();
section.Submeshes.Add(mesh);
}
#endregion
#region Get Resource Indices
int iIndex = 0, vIndex = 0, uIndex = 0, nIndex = 0, bIndex = 0;
for (int j = 0; j < section.rType.Length; j++)
{
switch (section.rType[j] & 0x0000FFFF)
{
case 32: iIndex = j;
break;
case 56:
switch ((section.rType[j] & 0xFFFF0000) >> 16)
{
case 0: vIndex = j;
break;
case 1: uIndex = j;
break;
case 2: nIndex = j;
break;
}
break;
case 100: bIndex = j;
break;
}
}
#endregion
section.Vertices = new Vertex[section.vertcount];
for (int j = 0; j < section.vertcount; j++)
{
reader.SeekTo(section.hSize + section.rOffset[vIndex] + ((section.rSize[vIndex] / section.vertcount) * j));
var v = new Vertex();
var p = new Vector(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle());
v.Values.Add(new VertexValue(p, 0, "position", 0));
section.Vertices[j] = v;
}
#region Read UVs and Normals
for (int j = 0; j < section.vertcount; j++)
{
reader.SeekTo(section.hSize + section.rOffset[uIndex] + (8 * j));
var v = section.Vertices[j];
var uv = new Vector(reader.ReadSingle(), 1 - reader.ReadSingle());
v.Values.Add(new VertexValue(uv, 0, "texcoords", 0));
}
for (int j = 0; j < section.vertcount; j++)
{
reader.SeekTo(section.hSize + section.rOffset[uIndex + 1] + (12 * j));
var v = section.Vertices[j];
var n = Vector.FromHenDN3(reader.ReadUInt32());
v.Values.Add(new VertexValue(n, 0, "normal", 0));
}
#endregion
reader.SeekTo(40);
section.Indices = new int[reader.ReadUInt16()];
reader.SeekTo(section.hSize + section.rOffset[iIndex]);
for (int j = 0; j < section.Indices.Length; j++)
section.Indices[j] = reader.ReadUInt16();
var facetype = 5;
if (section.facecount * 3 == section.Indices.Length) facetype = 3;
IndexInfoList.Add(new mode.IndexBufferInfo() { FaceFormat = facetype });
}
#endregion
#region Instances
if (GeomInstances.Count == 0) { RawLoaded = true; return; }
for (int i = GeomInstances[0].SectionIndex; i < ModelSections.Count; i++)
{
var section = (Halo2Xbox.scenario_structure_bsp.ModelSection)ModelSections[i];
var geomIndex = i - Clusters.Count;
if (section.rSize.Length == 0 || section.vertcount == 0)
{
IndexInfoList.Add(new mode.IndexBufferInfo());
continue;
}
var data = cache.GetRawFromID(section.rawOffset, section.rawSize);
var ms = new MemoryStream(data);
var reader = new EndianReader(ms, Endian.EndianFormat.LittleEndian);
#region Read Submeshes
for (int j = 0; j < section.rSize[0] / 72; j++)
{
var mesh = new mode.ModelSection.Submesh();
reader.SeekTo(section.hSize + section.rOffset[0] + j * 72 + 4);
mesh.ShaderIndex = reader.ReadUInt16();
mesh.FaceIndex = reader.ReadUInt16();
mesh.FaceCount = reader.ReadUInt16();
section.Submeshes.Add(mesh);
}
#endregion
#region Get Resource Indices
int iIndex = 0, vIndex = 0, uIndex = 0, nIndex = 0, bIndex = 0;
for (int j = 0; j < section.rType.Length; j++)
{
switch (section.rType[j] & 0x0000FFFF)
{
case 32: iIndex = j;
break;
case 56:
switch ((section.rType[j] & 0xFFFF0000) >> 16)
{
case 0: vIndex = j;
break;
case 1: uIndex = j;
break;
case 2: nIndex = j;
break;
}
break;
case 100: bIndex = j;
break;
}
}
#endregion
section.Vertices = new Vertex[section.vertcount];
for (int j = 0; j < section.vertcount; j++)
{
reader.SeekTo(section.hSize + section.rOffset[vIndex] + ((section.rSize[vIndex] / section.vertcount) * j));
var v = new Vertex();
var p = new Vector(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle());
v.Values.Add(new VertexValue(p, 0, "position", 0));
section.Vertices[j] = v;
}
#region Read UVs and Normals
for (int j = 0; j < section.vertcount; j++)
{
reader.SeekTo(section.hSize + section.rOffset[uIndex] + (8 * j));
var v = section.Vertices[j];
var uv = new Vector(reader.ReadSingle(), 1 - reader.ReadSingle());
v.Values.Add(new VertexValue(uv, 0, "texcoords", 0));
//DecompressVertex(ref v, BoundingBoxes[geomIndex]);
}
for (int j = 0; j < section.vertcount; j++)
{
reader.SeekTo(section.hSize + section.rOffset[nIndex] + (12 * j));
var v = section.Vertices[j];
var n = Vector.FromHenDN3(reader.ReadUInt32());
v.Values.Add(new VertexValue(n, 0, "normal", 0));
}
#endregion
reader.SeekTo(40);
section.Indices = new int[reader.ReadUInt16()];
reader.SeekTo(section.hSize + section.rOffset[iIndex]);
for (int j = 0; j < section.Indices.Length; j++)
section.Indices[j] = reader.ReadUInt16();
var facetype = 5;
if (section.facecount * 3 == section.Indices.Length) facetype = 3;
IndexInfoList.Add(new mode.IndexBufferInfo() { FaceFormat = facetype });
}
#endregion
RawLoaded = true;
}