/// <summary>
/// Create a new TMD object by reading from a binary stream.
/// </summary>
/// <param name="b">The binary stream.</param>
/// <param name="fixp">The FixP flag, from the TMD header.</param>
/// <param name="objTableTop">The address of the start of the TMD's object table.</param>
public TMDObject(BinaryReader b, bool fixp, uint objTableTop)
{
VerticesAddress = b.ReadUInt32();
NumVertices = b.ReadUInt32();
NormalsAddress = b.ReadUInt32();
NumNormals = b.ReadUInt32();
PrimitivesAddress = b.ReadUInt32();
NumPrimitives = b.ReadUInt32();
Scale = b.ReadInt32();
Primitives = new TMDPrimitivePacket[NumPrimitives];
Vertices = new Vec3[NumVertices];
Normals = new TMDNormal[NumNormals];
uint cachedEndPos = (uint)b.BaseStream.Position;
b.BaseStream.Seek(fixp ? PrimitivesAddress : PrimitivesAddress + objTableTop, SeekOrigin.Begin);
for (int i = 0; i < NumPrimitives; i++)
{
Primitives[i] = new TMDPrimitivePacket(b);
}
b.BaseStream.Seek(fixp ? VerticesAddress : VerticesAddress + objTableTop, SeekOrigin.Begin);
for (int i = 0; i < NumVertices; i++)
{
Vertices[i] = new Vec3(b);
}
b.BaseStream.Seek(fixp ? NormalsAddress : NormalsAddress + objTableTop, SeekOrigin.Begin);
for (int i = 0; i < NumNormals; i++)
{
Normals[i] = new TMDNormal(b);
}
b.BaseStream.Seek(cachedEndPos, SeekOrigin.Begin);
}
private bool tmdPrimitivePacketEquals(TMDPrimitivePacket x, TMDPrimitivePacket y)
{
if (x.Flags != y.Flags)
{
return(false);
}
if (x.Options != y.Options)
{
return(false);
}
if (x.Type != y.Type)
{
return(false);
}
if (x.ILen != y.ILen)
{
return(false);
}
if (x.OLen != y.OLen)
{
return(false);
}
if (!x.PacketData.Vertices.SequenceEqual(y.PacketData.Vertices))
{
return(false);
}
if (x.SpriteSize != y.SpriteSize)
{
return(false);
}
return(true);
}
private int tmdPrimitivePacketHashCode(TMDPrimitivePacket p)
{
var hashCode = p.Flags.GetHashCode();
hashCode = (hashCode * 397) ^ p.Options.GetHashCode();
hashCode = (hashCode * 397) ^ p.Type.GetHashCode();
hashCode = (hashCode * 397) ^ p.ILen.GetHashCode();
hashCode = (hashCode * 397) ^ p.OLen.GetHashCode();
hashCode = (hashCode * 397) ^ p.PacketData.Vertices.Length.GetHashCode();
ITMDColoredPrimitivePacket coloredPacket = p.PacketData as ITMDColoredPrimitivePacket;
if (coloredPacket != null)
{
foreach (var col in coloredPacket.Colors)
{
hashCode = (hashCode * 397) ^ col.GetHashCode();
}
}
ITMDLitPrimitivePacket litPacket = p.PacketData as ITMDLitPrimitivePacket;
if (litPacket != null)
{
foreach (var norm in litPacket.Normals)
{
hashCode = (hashCode * 397) ^ norm.GetHashCode();
}
}
ITMDTexturedPrimitivePacket texturedPacket = p.PacketData as ITMDTexturedPrimitivePacket;
if (texturedPacket != null)
{
hashCode = (hashCode * 397) ^ texturedPacket.Texture.TexturePageNumber.GetHashCode();
hashCode = (hashCode * 397) ^ texturedPacket.Texture.ColorMode.GetHashCode();
hashCode = (hashCode * 397) ^ texturedPacket.Texture.AlphaBlendRate.GetHashCode();
hashCode = (hashCode * 397) ^ texturedPacket.ColorLookup.XPosition.GetHashCode();
hashCode = (hashCode * 397) ^ texturedPacket.ColorLookup.YPosition.GetHashCode();
foreach (var uv in texturedPacket.UVs)
{
hashCode = (hashCode * 397) ^ uv.GetHashCode();
}
}
foreach (var vert in p.PacketData.Vertices)
{
hashCode = (hashCode * 397) ^ vert.GetHashCode();
}
hashCode = (hashCode * 397) ^ p.SpriteSize.GetHashCode();
return(hashCode);
}
