private Vector4 ReadVec4(BinaryReader Reader)
{
return(new Vector4(
PICAVectorFloat24.GetFloat24(Reader.ReadUInt32()),
PICAVectorFloat24.GetFloat24(Reader.ReadUInt32()),
PICAVectorFloat24.GetFloat24(Reader.ReadUInt32()),
PICAVectorFloat24.GetFloat24(Reader.ReadUInt32())));
}
public GFMesh(BinaryReader Reader) : this()
{
GFSection MeshSection = new GFSection(Reader);
long Position = Reader.BaseStream.Position;
uint NameHash = Reader.ReadUInt32();
string NameStr = Reader.ReadPaddedString(0x40);
Name = NameStr;
Reader.ReadUInt32();
BBoxMinVector = Reader.ReadVector4(); //Is it right? seems to be 0, 0, 0, 1
BBoxMaxVector = Reader.ReadVector4(); //Is it right? seems to be 0, 0, 0, 1
uint SubMeshesCount = Reader.ReadUInt32();
BoneIndicesPerVertex = Reader.ReadInt32();
Reader.BaseStream.Seek(0x10, SeekOrigin.Current); //Padding
List <uint[]> CmdList = new List <uint[]>();
uint CommandsLength;
uint CommandIndex;
uint CommandsCount;
uint Padding;
do
{
CommandsLength = Reader.ReadUInt32();
CommandIndex = Reader.ReadUInt32();
CommandsCount = Reader.ReadUInt32();
Padding = Reader.ReadUInt32();
uint[] Commands = new uint[CommandsLength >> 2];
for (int Index = 0; Index < Commands.Length; Index++)
{
Commands[Index] = Reader.ReadUInt32();
}
CmdList.Add(Commands);
}while (CommandIndex < CommandsCount - 1);
SubMeshSize[] SMSizes = new SubMeshSize[SubMeshesCount];
//Add SubMesh with Hash, Name and Bone Indices.
//The rest is added latter (because the data is split inside the file).
for (int MeshIndex = 0; MeshIndex < SubMeshesCount; MeshIndex++)
{
GFSubMesh SM = new GFSubMesh();
uint SMNameHash = Reader.ReadUInt32();
SM.Name = Reader.ReadIntLengthString();
SM.BoneIndicesCount = Reader.ReadByte();
for (int Bone = 0; Bone < 0x1f; Bone++)
{
SM.BoneIndices[Bone] = Reader.ReadByte();
}
SMSizes[MeshIndex] = new SubMeshSize()
{
VerticesCount = Reader.ReadInt32(),
IndicesCount = Reader.ReadInt32(),
VerticesLength = Reader.ReadInt32(),
IndicesLength = Reader.ReadInt32()
};
SubMeshes.Add(SM);
}
for (int MeshIndex = 0; MeshIndex < SubMeshesCount; MeshIndex++)
{
GFSubMesh SM = SubMeshes[MeshIndex];
uint[] EnableCommands = CmdList[MeshIndex * 3 + 0];
uint[] DisableCommands = CmdList[MeshIndex * 3 + 1];
uint[] IndexCommands = CmdList[MeshIndex * 3 + 2];
PICACommandReader CmdReader;
CmdReader = new PICACommandReader(EnableCommands);
PICAVectorFloat24[] Fixed = new PICAVectorFloat24[12];
ulong BufferFormats = 0;
ulong BufferAttributes = 0;
ulong BufferPermutation = 0;
int AttributesCount = 0;
int AttributesTotal = 0;
int FixedIndex = 0;
while (CmdReader.HasCommand)
{
PICACommand Cmd = CmdReader.GetCommand();
uint Param = Cmd.Parameters[0];
switch (Cmd.Register)
{
case PICARegister.GPUREG_ATTRIBBUFFERS_FORMAT_LOW: BufferFormats |= (ulong)Param << 0; break;
case PICARegister.GPUREG_ATTRIBBUFFERS_FORMAT_HIGH: BufferFormats |= (ulong)Param << 32; break;
case PICARegister.GPUREG_ATTRIBBUFFER0_CONFIG1:
BufferAttributes |= Param;
break;
case PICARegister.GPUREG_ATTRIBBUFFER0_CONFIG2:
BufferAttributes |= (ulong)(Param & 0xffff) << 32;
SM.VertexStride = (byte)(Param >> 16);
AttributesCount = (int)(Param >> 28);
break;
case PICARegister.GPUREG_FIXEDATTRIB_INDEX: FixedIndex = (int)Param; break;
case PICARegister.GPUREG_FIXEDATTRIB_DATA0: Fixed[FixedIndex].Word0 = Param; break;
case PICARegister.GPUREG_FIXEDATTRIB_DATA1: Fixed[FixedIndex].Word1 = Param; break;
case PICARegister.GPUREG_FIXEDATTRIB_DATA2: Fixed[FixedIndex].Word2 = Param; break;
case PICARegister.GPUREG_VSH_NUM_ATTR: AttributesTotal = (int)(Param + 1); break;
case PICARegister.GPUREG_VSH_ATTRIBUTES_PERMUTATION_LOW: BufferPermutation |= (ulong)Param << 0; break;
case PICARegister.GPUREG_VSH_ATTRIBUTES_PERMUTATION_HIGH: BufferPermutation |= (ulong)Param << 32; break;
}
}
for (int Index = 0; Index < AttributesTotal; Index++)
{
if (((BufferFormats >> (48 + Index)) & 1) != 0)
{
PICAAttributeName Name = (PICAAttributeName)((BufferPermutation >> Index * 4) & 0xf);
float Scale =
Name == PICAAttributeName.Color ||
Name == PICAAttributeName.BoneWeight ? Scales[1] : 1;
SM.FixedAttributes.Add(new PICAFixedAttribute()
{
Name = Name,
Value = Fixed[Index] * Scale
});
}
else
{
int PermutationIdx = (int)((BufferAttributes >> Index * 4) & 0xf);
int AttributeName = (int)((BufferPermutation >> PermutationIdx * 4) & 0xf);
int AttributeFmt = (int)((BufferFormats >> PermutationIdx * 4) & 0xf);
PICAAttribute Attrib = new PICAAttribute()
{
Name = (PICAAttributeName)AttributeName,
Format = (PICAAttributeFormat)(AttributeFmt & 3),
Elements = (AttributeFmt >> 2) + 1,
Scale = Scales[AttributeFmt & 3]
};
if (Attrib.Name == PICAAttributeName.BoneIndex)
{
Attrib.Scale = 1;
}
SM.Attributes.Add(Attrib);
}
}
CmdReader = new PICACommandReader(IndexCommands);
uint BufferAddress = 0;
uint BufferCount = 0;
while (CmdReader.HasCommand)
{
PICACommand Cmd = CmdReader.GetCommand();
uint Param = Cmd.Parameters[0];
switch (Cmd.Register)
{
case PICARegister.GPUREG_INDEXBUFFER_CONFIG: BufferAddress = Param; break;
case PICARegister.GPUREG_NUMVERTICES: BufferCount = Param; break;
case PICARegister.GPUREG_PRIMITIVE_CONFIG:
SM.PrimitiveMode = (PICAPrimitiveMode)(Param >> 8);
break;
}
}
SM.RawBuffer = Reader.ReadBytes(SMSizes[MeshIndex].VerticesLength);
SM.Indices = new ushort[BufferCount];
long IndexAddress = Reader.BaseStream.Position;
for (int Index = 0; Index < BufferCount; Index++)
{
if ((BufferAddress >> 31) != 0)
{
SM.Indices[Index] = Reader.ReadUInt16();
}
else
{
SM.Indices[Index] = Reader.ReadByte();
}
}
Reader.BaseStream.Seek(IndexAddress + SMSizes[MeshIndex].IndicesLength, SeekOrigin.Begin);
}
Reader.BaseStream.Seek(Position + MeshSection.Length, SeekOrigin.Begin);
}
public static Vector4 ToVector4(this PICAVectorFloat24 v)
{
return(new Vector4(v.X, v.Y, v.Z, v.W));
}
