protected override SolidMeshVertex GetVertex(BinaryReader reader, SolidObjectMaterial material, int stride)
{
World15Material wm = (World15Material)material;
SolidMeshVertex vertex = new SolidMeshVertex();
InternalEffectID id = (InternalEffectID)wm.EffectId;
switch (id)
{
case InternalEffectID.WorldShader:
case InternalEffectID.GLASS_REFLECT:
case InternalEffectID.WorldZBiasShader:
case InternalEffectID.Tree:
case InternalEffectID.WATER:
vertex.Position = BinaryUtil.ReadVector3(reader);
vertex.Normal = BinaryUtil.ReadNormal(reader, true);
vertex.TexCoords = BinaryUtil.ReadVector2(reader);
vertex.Color = reader.ReadUInt32(); // daytime color
reader.ReadUInt32(); // nighttime color
break;
case InternalEffectID.WorldPrelitShader:
vertex.Position = BinaryUtil.ReadVector3(reader);
vertex.Color = reader.ReadUInt32(); // daytime color
reader.ReadUInt32(); // nighttime color
vertex.TexCoords = BinaryUtil.ReadVector2(reader);
break;
case InternalEffectID.WorldZBiasPrelitShader:
vertex.Position = BinaryUtil.ReadVector3(reader);
vertex.Normal = BinaryUtil.ReadNormal(reader, true);
vertex.Color = reader.ReadUInt32(); // daytime color
reader.ReadUInt32(); // nighttime color
vertex.TexCoords = BinaryUtil.ReadVector2(reader);
break;
case InternalEffectID.WorldNormalMap:
case InternalEffectID.GLASS_REFLECTNM:
case InternalEffectID.WorldRoadShader:
case InternalEffectID.WorldFEShader:
vertex.Position = BinaryUtil.ReadVector3(reader);
vertex.Normal = BinaryUtil.ReadNormal(reader, true);
vertex.TexCoords = BinaryUtil.ReadVector2(reader);
vertex.Color = reader.ReadUInt32(); // daytime color
reader.ReadUInt32(); // nighttime color
vertex.Tangent = BinaryUtil.ReadNormal(reader, true);
break;
case InternalEffectID.CarShader:
case InternalEffectID.CARNORMALMAP:
vertex.Position = BinaryUtil.ReadNormal(reader, true) * 8;
vertex.TexCoords = new Vector2(reader.ReadInt16() / 4096f, reader.ReadInt16() / 4096f - 1);
vertex.Color = reader.ReadUInt32();
vertex.Normal = BinaryUtil.ReadNormal(reader, true);
vertex.Tangent = BinaryUtil.ReadNormal(reader, true);
break;
default:
throw new Exception($"Unsupported effect in object {Name}: {id}");
}
return(vertex);
}
private World15Object ReadObject(BinaryReader br, long size, World15Object solidObject = null)
{
if (solidObject == null)
{
solidObject = new World15Object();
}
var endPos = br.BaseStream.Position + size;
while (br.BaseStream.Position < endPos)
{
var chunkId = br.ReadUInt32();
var chunkSize = br.ReadUInt32();
var chunkEndPos = br.BaseStream.Position + chunkSize;
//Console.WriteLine($"@{chunkEndPos}: 0x{chunkId:X8} [{chunkSize}]");
if ((chunkId & 0x80000000) == 0x80000000)
{
solidObject = ReadObject(br, chunkSize, solidObject);
}
else
{
var padding = 0u;
while (br.ReadUInt32() == 0x11111111)
{
padding += 4;
}
br.BaseStream.Position -= 4;
chunkSize -= padding;
switch (chunkId)
{
case SolidListObjHeadChunk:
{
_namedMaterials = 0;
var header = BinaryUtil.ReadUnmanagedStruct <ObjectHeader>(br);
var name = BinaryUtil.ReadNullTerminatedString(br);
solidObject.Name = name;
solidObject.Hash = header.ObjectHash;
solidObject.MinPoint = header.BoundsMin;
solidObject.MaxPoint = header.BoundsMax;
solidObject.Transform = header.Transform;
break;
}
case 0x134900:
{
var descriptor = BinaryUtil.ReadUnmanagedStruct <MeshDescriptor>(br);
solidObject.MeshDescriptor = new SolidMeshDescriptor
{
Flags = descriptor.Flags,
HasNormals = true,
NumIndices = descriptor.NumTriIndex,
NumMats = descriptor.MaterialShaderNum,
NumVertexStreams = descriptor.NumVertexStreams,
NumTris = descriptor.NumTriangles
};
break;
}
case 0x00134b02:
{
Debug.Assert(chunkSize % solidObject.MeshDescriptor.NumMats == 0);
var streamIndex = 0;
var lastEffectId = 0u;
for (var j = 0; j < solidObject.MeshDescriptor.NumMats; j++)
{
var shadingGroup = BinaryUtil.ReadUnmanagedStruct <Material>(br);
if (j > 0 && shadingGroup.EffectId != lastEffectId)
{
streamIndex++;
}
var solidObjectMaterial = new World15Material
{
Flags = shadingGroup.Flags,
NumIndices = shadingGroup.NumIndices == 0 ? shadingGroup.NumTris * 3 : shadingGroup.NumIndices,
MinPoint = shadingGroup.BoundsMin,
MaxPoint = shadingGroup.BoundsMax,
NumVerts = shadingGroup.NumVerts,
TextureHash = solidObject.TextureHashes[shadingGroup.DiffuseMapId],
EffectId = shadingGroup.EffectId,
VertexStreamIndex = streamIndex
};
solidObject.Materials.Add(solidObjectMaterial);
solidObject.MeshDescriptor.NumVerts += shadingGroup.NumVerts;
lastEffectId = shadingGroup.EffectId;
}
break;
}
case 0x134012:
{
for (var j = 0; j < chunkSize / 8; j++)
{
solidObject.TextureHashes.Add(br.ReadUInt32());
br.BaseStream.Position += 4;
}
break;
}
case 0x134b01:
{
var vb = new byte[chunkSize];
var readSize = br.Read(vb, 0, vb.Length);
Debug.Assert(readSize == chunkSize);
solidObject.VertexBuffers.Add(vb);
break;
}
case 0x134b03:
{
foreach (var material in solidObject.Materials)
{
material.Indices = new ushort[material.NumIndices];
for (var j = 0; j < material.NumIndices; j++)
{
material.Indices[j] = br.ReadUInt16();
}
}
break;
}
case 0x00134c02:
{
if (chunkSize > 0)
{
solidObject.Materials[_namedMaterials++].Name =
BinaryUtil.ReadNullTerminatedString(br);
}
break;
}
case 0x134c06:
{
Debug.Assert(chunkSize % 0x40 == 0);
for (int i = 0; i < chunkSize / 0x40; i++)
{
solidObject.MorphMatrices.Add(BinaryUtil.ReadUnmanagedStruct <Matrix4x4>(br));
}
break;
}
case 0x134c05:
{
Debug.Assert(chunkSize % 0x10 == 0);
var morphList = new List <World15Object.MorphInfo>();
for (int i = 0; i < chunkSize / 0x10; i++)
{
morphList.Add(new World15Object.MorphInfo
{
VertexStartIndex = br.ReadInt32(),
VertexEndIndex = br.ReadInt32(),
MorphMatrixIndex = br.ReadInt32()
});
br.ReadInt32();
}
solidObject.MorphLists.Add(morphList);
break;
}
default:
//Debug.WriteLine($"unhandled chunk in World15Solids: 0x{chunkId:X8} [{chunkSize}] @{br.BaseStream.Position:X}");
break;
}
}
br.BaseStream.Position = chunkEndPos;
}
return(solidObject);
}
