internal void Render(IRenderer renderer, GcmfRenderContext context)
{
// Convert GcmfVertex list to ModelVertex list
ModelVertex[] modelVertices = new ModelVertex[Items.Count];
for (int i = 0; i < Items.Count; i++)
{
GcmfVertex gcmfVtx = Items[i];
// Copy the data from the GCMF vertex to the ModelVertex
ModelVertex modelVtx = new ModelVertex()
{
Position = gcmfVtx.Position,
Normal = gcmfVtx.Normal,
VertexColor = gcmfVtx.VertexColor,
PrimaryTexCoord = gcmfVtx.PrimaryTexCoord
};
// Apply transformation matrices to the vertex
if (gcmfVtx.TransformMatrixRef != null && gcmfVtx.TransformMatrixRef.Value != 0)
{
if (gcmfVtx.TransformMatrixRef.Value > 24 || (gcmfVtx.TransformMatrixRef % 3) != 0)
{
throw new InvalidGmaFileException("Invalid TransformMatrixRef for the transform matrix rendering.");
}
int rIdx = (gcmfVtx.TransformMatrixRef.Value / 3) - 1;
if (context.TransformMatrixIdxs[rIdx] == byte.MaxValue)
{
throw new InvalidGmaFileException("The transform matrix associated to the matrix reference is not defined.");
}
// Transform the position and normal vectors according to the transform matrix
GcmfTransformMatrix tMtx = context.Gcmf.TransformMatrices[context.TransformMatrixIdxs[rIdx]];
modelVtx.Position = tMtx.TransformPosition(modelVtx.Position);
if (modelVtx.Normal != null)
{
modelVtx.Normal = tMtx.TransformNormal(modelVtx.Normal.Value);
}
}
modelVertices[i] = modelVtx;
}
// Write triangle strip
renderer.WriteTriangleStrip(modelVertices);
}
internal void Load(EndianBinaryReader input, GcGame game)
{
int baseOffset = Convert.ToInt32(input.BaseStream.Position);
// Load GCMF header
if (input.ReadUInt32() != GcmfMagic)
{
throw new InvalidGmaFileException("Expected Gcmf[0x00] == GcmfMagic.");
}
SectionFlags = input.ReadUInt32();
BoundingSphereCenter = new Vector3(input.ReadSingle(), input.ReadSingle(), input.ReadSingle());
BoundingSphereRadius = input.ReadSingle();
int numMaterials = (int)input.ReadUInt16();
int numLayer1Meshes = (int)input.ReadUInt16();
int numLayer2Meshes = (int)input.ReadUInt16();
int numTransformMatrices = (int)input.ReadByte();
if (input.ReadByte() != 0)
{
throw new InvalidGmaFileException("Expected Gcmf[0x1F] == 0");
}
int headerSize = input.ReadInt32();
if (input.ReadUInt32() != 0)
{
throw new InvalidGmaFileException("Expected Gcmf[0x24] == 0");
}
input.Read(TransformMatrixDefaultIdxs, 0, 8);
if (input.ReadUInt32() != 0)
{
throw new InvalidGmaFileException("Expected Gcmf[0x30] == 0");
}
if (input.ReadUInt32() != 0)
{
throw new InvalidGmaFileException("Expected Gcmf[0x34] == 0");
}
if (input.ReadUInt32() != 0)
{
throw new InvalidGmaFileException("Expected Gcmf[0x38] == 0");
}
if (input.ReadUInt32() != 0)
{
throw new InvalidGmaFileException("Expected Gcmf[0x3C] == 0");
}
// Check that the combination of flags is correct
if ((SectionFlags & (uint)~(GcmfSectionFlags._16Bit |
GcmfSectionFlags.StitchingModel |
GcmfSectionFlags.SkinModel |
GcmfSectionFlags.EffectiveModel)) != 0)
{
throw new InvalidGmaFileException("Unknown GCMF section flags.");
}
if ((SectionFlags & (uint)GcmfSectionFlags.SkinModel) != 0 && !GcmfVersionDetails.IsGcmfSkinModelSupported(game))
{
throw new InvalidGmaFileException("GCMF with skin model flag is not supported in this game.");
}
// Load materials
for (int i = 0; i < numMaterials; i++)
{
GcmfMaterial mat = new GcmfMaterial();
mat.Load(input, i);
Materials.Add(mat);
}
// Load transform matrices
if ((SectionFlags & (uint)GcmfSectionFlags.StitchingModel) != 0 ||
(SectionFlags & (uint)GcmfSectionFlags.SkinModel) != 0)
{
for (int i = 0; i < numTransformMatrices; i++)
{
GcmfTransformMatrix tmtx = new GcmfTransformMatrix();
tmtx.Load(input);
TransformMatrices.Add(tmtx);
}
}
else
{
if (numTransformMatrices != 0)
{
throw new InvalidGmaFileException("GcmfSection: No transform matrices expected, but transformMatrixCount != 0?");
}
}
if (PaddingUtils.Align(Convert.ToInt32(input.BaseStream.Position), 0x20) != baseOffset + headerSize)
{
throw new InvalidGmaFileException("Gcmf [End Header Offset] mismatch.");
}
input.BaseStream.Position = baseOffset + headerSize;
if ((SectionFlags & (uint)GcmfSectionFlags.SkinModel) != 0 ||
(SectionFlags & (uint)GcmfSectionFlags.EffectiveModel) != 0)
{
int sectionBaseOffset = Convert.ToInt32(input.BaseStream.Position);
int numVertices = input.ReadInt32();
int offsetPartType8Unknown1 = input.ReadInt32();
int offsetPartVertexPool = input.ReadInt32();
int offsetPartMeshData = input.ReadInt32();
int offsetPartType8Unknown2 = input.ReadInt32();
if (input.ReadUInt32() != 0)
{
throw new InvalidGmaFileException("Gcmf[PreSectionHdr-0x14]");
}
if (input.ReadUInt32() != 0)
{
throw new InvalidGmaFileException("Gcmf[PreSectionHdr-0x18]");
}
if (input.ReadUInt32() != 0)
{
throw new InvalidGmaFileException("Gcmf[PreSectionHdr-0x1C]");
}
// Load the mesh headers
List <GcmfMesh.HeaderSectionInfo> meshHeaderSectionInfos = new List <GcmfMesh.HeaderSectionInfo>();
for (int i = 0; i < numLayer1Meshes + numLayer2Meshes; i++)
{
GcmfMesh mesh = new GcmfMesh();
meshHeaderSectionInfos.Add(mesh.LoadHeader(input,
(i < numLayer1Meshes) ? GcmfMesh.MeshLayer.Layer1 : GcmfMesh.MeshLayer.Layer2));
Meshes.Add(mesh);
}
if (Convert.ToInt32(input.BaseStream.Position) != sectionBaseOffset + offsetPartVertexPool)
{
throw new InvalidGmaFileException("Gcmf [PreSectionHdr] offsetPartVertexPool doesn't match expected value.");
}
// Load the vertex pool, i.e. the vertices referenced from the indexed triangle strips
// On SMB1, the 16 bit flag is ignored in effective models
bool isVtx16Bit = (SectionFlags & (uint)GcmfSectionFlags._16Bit) != 0 &&
!GcmfVersionDetails.Is16BitEffectiveModelIgnored(game);
for (int i = 0; i < numVertices; i++)
{
GcmfVertex vtx = new GcmfVertex();
vtx.LoadIndexed(input, isVtx16Bit);
VertexPool.Add(vtx);
}
// Load type 8 unknown 1 / unknown 2
if (GcmfVersionDetails.IsGcmfSkinModelSupported(game))
{
if (Convert.ToInt32(input.BaseStream.Position) != sectionBaseOffset + offsetPartType8Unknown1)
{
throw new InvalidGmaFileException("Gcmf [PreSectionHdr] offsetPartType8Unknown1 doesn't match expected value.");
}
if ((SectionFlags & (uint)GcmfSectionFlags.SkinModel) != 0)
{
for (int i = 0; i < (offsetPartType8Unknown2 - offsetPartType8Unknown1) / 0x20; i++)
{
GcmfType8Unknown1 unk1 = new GcmfType8Unknown1();
unk1.Load(input);
Type8Unknown1.Add(unk1);
}
}
if (Convert.ToInt32(input.BaseStream.Position) != sectionBaseOffset + offsetPartType8Unknown2)
{
throw new InvalidGmaFileException("Gcmf [PreSectionHdr] offsetPartType8Unknown2 doesn't match expected value.");
}
if ((SectionFlags & (uint)GcmfSectionFlags.SkinModel) != 0)
{
for (int i = 0; i < numTransformMatrices; i++)
{
Type8Unknown2.Add(input.ReadUInt16());
}
if (PaddingUtils.Align(Convert.ToInt32(input.BaseStream.Position), 0x20) != sectionBaseOffset + offsetPartMeshData)
{
throw new InvalidGmaFileException("Gcmf [PreSectionHdr] offsetPartMeshData doesn't match expected value.");
}
input.BaseStream.Position = sectionBaseOffset + offsetPartMeshData;
}
}
else
{
// We already made sure that the section flags are not skin model if it's not supported,
// so if we're here, the flag is set to effective model.
// In this case, the offsets of those sections must be zero
// SMB doesn't have have any 0x08 section flags, so those offsets are zero
if (offsetPartType8Unknown1 != 0)
{
throw new InvalidGmaFileException("Gcmf [PreSectionHdr] offsetPartType8Unknown1 is not zero on SMB.");
}
if (offsetPartType8Unknown2 != 0)
{
throw new InvalidGmaFileException("Gcmf [PreSectionHdr] offsetPartType8Unknown2 is not zero on SMB.");
}
}
// Load the mesh data itself (the indexed triangle strips)
if (Convert.ToInt32(input.BaseStream.Position) != sectionBaseOffset + offsetPartMeshData)
{
throw new InvalidGmaFileException("Gcmf [PreSectionHdr] offsetPartMeshData doesn't match expected value.");
}
for (int i = 0; i < numLayer1Meshes + numLayer2Meshes; i++)
{
Meshes[i].LoadIndexedData(input, isVtx16Bit, VertexPool, meshHeaderSectionInfos[i]);
}
// Make sure that all the vertices in the vertex pool got their
// vertex flags set when we read the indexed triangle strips,
// that is, that they were referenced at least once.
// Otherwise, we would have semi-initialized vertices in the vertex pool!
if (VertexPool.Any(vtx => !vtx.IsIndexedVertexInitialized()))
{
throw new InvalidGmaFileException("Not all vertex flags of all vertices in the vertex pool got initialized!");
}
}
else
{
for (int i = 0; i < numLayer1Meshes + numLayer2Meshes; i++)
{
GcmfMesh mesh = new GcmfMesh();
GcmfMesh.HeaderSectionInfo headerSectionInfo = mesh.LoadHeader(input,
(i < numLayer1Meshes) ? GcmfMesh.MeshLayer.Layer1 : GcmfMesh.MeshLayer.Layer2);
mesh.LoadNonIndexedData(input, headerSectionInfo, (SectionFlags & (uint)GcmfSectionFlags._16Bit) != 0);
Meshes.Add(mesh);
}
}
}
