private void LoadTagDataFromFile(EndianBinaryReader reader, int tagCount, bool dumpTextures, bool dumpShaders)
{
for (int i = 0; i < tagCount; i++)
{
long tagStart = reader.BaseStream.Position;
string tagName = reader.ReadString(4);
int tagSize = reader.ReadInt32();
switch (tagName)
{
// INFO - Vertex Count, Scene Hierarchy
case "INF1":
INF1Tag = new INF1();
INF1Tag.LoadINF1FromStream(reader, tagStart);
break;
// VERTEX - Stores vertex arrays for pos/normal/color0/tex0 etc.
// Contains VertexAttributes which describe how the data is stored/laid out.
case "VTX1":
VTX1Tag = new VTX1();
VTX1Tag.LoadVTX1FromStream(reader, tagStart, tagSize);
break;
// ENVELOPES - Defines vertex weights for skinning
case "EVP1":
EVP1Tag = new EVP1();
EVP1Tag.LoadEVP1FromStream(reader, tagStart);
break;
// DRAW (Skeletal Animation Data) - Stores which matrices (?) are weighted, and which are used directly
case "DRW1":
DRW1Tag = new DRW1();
DRW1Tag.LoadDRW1FromStream(reader, tagStart);
break;
// JOINTS - Stores the skeletal joints (position, rotation, scale, etc...)
case "JNT1":
JNT1Tag = new JNT1();
JNT1Tag.LoadJNT1FromStream(reader, tagStart);
JNT1Tag.CalculateParentJointsForSkeleton(INF1Tag.HierarchyRoot);
break;
// SHAPE - Face/Triangle information for model.
case "SHP1":
SHP1Tag = new SHP1();
SHP1Tag.ReadSHP1FromStream(reader, tagStart);
CalculateModelBounds();
break;
// MATERIAL - Stores materials (which describes how textures, etc. are drawn)
case "MAT3":
MAT3Tag = new MAT3();
MAT3Tag.LoadMAT3FromStream(reader, tagStart);
break;
// TEXTURES - Stores binary texture images.
case "TEX1":
TEX1Tag = new TEX1();
TEX1Tag.LoadTEX1FromStream(reader, tagStart, dumpTextures);
break;
// MODEL - Seems to be bypass commands for Materials and invokes GX registers directly.
case "MDL3":
break;
}
// Skip the stream reader to the start of the next tag since it gets moved around during loading.
reader.BaseStream.Position = tagStart + tagSize;
}
INF1Tag.LinkData(MAT3Tag, SHP1Tag);
Tick(float.Epsilon);
if (EVP1Tag.InverseBindPose.Count <= 0)
{
EVP1Tag.GenerateInverseBindMatrices(JNT1Tag);
}
DRW1Tag.UpdateMatrices(JNT1Tag.BindJoints, EVP1Tag);
SHP1Tag.LinkData(VTX1Tag, DRW1Tag, EVP1Tag);
SHP1Tag.UploadShapesToGPU();
}
