internal void SaveNonIndexedData(EndianBinaryWriter output, bool is16Bit)
{
if (Obj1StripsCcw.Count != 0)
{
Obj1StripsCcw.SaveNonIndexed(output, is16Bit);
}
if (Obj1StripsCw.Count != 0)
{
Obj1StripsCw.SaveNonIndexed(output, is16Bit);
}
if (Obj2StripsCcw.Count != 0 || Obj2StripsCw.Count != 0)
{
// Extra header
output.Write(TransformMatrixSpecificIdxsObj2, 0, 8);
output.Write(Obj2StripsCcw.SizeOfNonIndexed(is16Bit));
output.Write(Obj2StripsCw.SizeOfNonIndexed(is16Bit));
output.Write(0);
output.Write(0);
output.Write(0);
output.Write(0);
Obj2StripsCcw.SaveNonIndexed(output, is16Bit);
Obj2StripsCw.SaveNonIndexed(output, is16Bit);
}
}
internal int SizeOfNonIndexedData(bool is16Bit)
{
int size = 0;
if (Obj1StripsCcw.Count != 0)
{
size += Obj1StripsCcw.SizeOfNonIndexed(is16Bit);
}
if (Obj1StripsCw.Count != 0)
{
size += Obj1StripsCw.SizeOfNonIndexed(is16Bit);
}
if (Obj2StripsCcw.Count != 0 || Obj2StripsCw.Count != 0)
{
size += 0x20; // Extra header
size += Obj2StripsCcw.SizeOfNonIndexed(is16Bit);
size += Obj2StripsCw.SizeOfNonIndexed(is16Bit);
}
return(size);
}
internal void LoadNonIndexedData(EndianBinaryReader input, HeaderSectionInfo headerSectionInfo, bool is16Bit)
{
if ((headerSectionInfo.SectionFlags & 0x01) != 0 && headerSectionInfo.Chunk1Size == 0)
{
throw new InvalidGmaFileException("GcmfMeshType1: Chunk1, but chunk1Size == 0?");
}
if ((headerSectionInfo.SectionFlags & 0x01) == 0 && headerSectionInfo.Chunk1Size != 0)
{
throw new InvalidGmaFileException("GcmfMeshType1: No chunk1, but chunk1Size != 0?");
}
if ((headerSectionInfo.SectionFlags & 0x01) != 0)
{
Obj1StripsCcw.LoadNonIndexed(input, headerSectionInfo.Chunk1Size, headerSectionInfo.VertexFlags, is16Bit);
}
if ((headerSectionInfo.SectionFlags & 0x02) != 0 && headerSectionInfo.Chunk2Size == 0)
{
throw new InvalidGmaFileException("GcmfMeshType1: Chunk2, but chunk2Size == 0?");
}
else if ((headerSectionInfo.SectionFlags & 0x02) == 0 && headerSectionInfo.Chunk2Size != 0)
{
throw new InvalidGmaFileException("GcmfMeshType1: No chunk2, but chunk2Size != 0?");
}
if ((headerSectionInfo.SectionFlags & 0x02) != 0)
{
Obj1StripsCw.LoadNonIndexed(input, headerSectionInfo.Chunk2Size, headerSectionInfo.VertexFlags, is16Bit);
}
if ((headerSectionInfo.SectionFlags & 0xFF) == 0x0F) // Those are always used together
{
// Read extra header before two extra chunks
input.Read(TransformMatrixSpecificIdxsObj2, 0, 8);
int chunk3Size = input.ReadInt32();
int chunk4Size = input.ReadInt32();
if (input.ReadUInt32() != 0)
{
throw new InvalidGmaFileException("Expected GcmfMeshType1[ExtraHdr-0x10] == 0");
}
if (input.ReadUInt32() != 0)
{
throw new InvalidGmaFileException("Expected GcmfMeshType1[ExtraHdr-0x14] == 0");
}
if (input.ReadUInt32() != 0)
{
throw new InvalidGmaFileException("Expected GcmfMeshType1[ExtraHdr-0x18]== 0");
}
if (input.ReadUInt32() != 0)
{
throw new InvalidGmaFileException("Expected GcmfMeshType1[ExtraHdr-0x1C] == 0");
}
if (chunk3Size == 0)
{
throw new InvalidGmaFileException("GcmfMeshType1: Chunk3, but chunk3Size == 0?");
}
if (chunk4Size == 0)
{
throw new InvalidGmaFileException("GcmfMeshType1: Chunk4, but chunk4Size == 0?");
}
Obj2StripsCcw.LoadNonIndexed(input, chunk3Size, headerSectionInfo.VertexFlags, is16Bit);
Obj2StripsCw.LoadNonIndexed(input, chunk4Size, headerSectionInfo.VertexFlags, is16Bit);
}
else if ((headerSectionInfo.SectionFlags & 0xFC) != 0)
{
throw new InvalidGmaFileException("GcmfMeshType1: Unknown present chunk flags at chunk10.");
}
}
/// <summary>
/// This is the same as render(), but it skips the material setup step,
/// so when rendering all triangle meshes, they only need to be set up once.
/// </summary>
internal void RenderInternal(IRenderer renderer, GcmfRenderContext context)
{
/*
* if (Layer == GcmfTriangleMeshLayer.Layer1)
* {
* GL.Disable(EnableCap.Blend);
* GL.DepthMask(true);
* }
* else
* {
* GL.DepthMask(false);
* GL.Enable(EnableCap.Blend);
* GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
* }
*/
// Set up the renderer according to the render flags set
renderer.SetTwoSidedFaces((RenderFlags & RenderFlag.TwoSided) != 0);
// Very rarely a mesh with a material id set to 0xFFFF ((ushort)-1) is seen.
// I believe this is just a that it didn't have a material assigned.
if (PrimaryMaterialIdx != ushort.MaxValue)
{
renderer.BindMaterial(PrimaryMaterialIdx);
}
else
{
renderer.UnbindMaterial();
}
// Patch the non-null default transformation matrix indexes (for obj1)
// with the specific indexes set for this mesh
for (int i = 0; i < TransformMatrixSpecificIdxsObj1.Length; i++)
{
if (TransformMatrixSpecificIdxsObj1[i] != byte.MaxValue)
{
context.TransformMatrixIdxs[i] = TransformMatrixSpecificIdxsObj1[i];
}
}
renderer.SetFrontFaceDirection(FrontFaceDirection.Ccw);
Obj1StripsCcw.Render(renderer, context);
renderer.SetFrontFaceDirection(FrontFaceDirection.Cw);
Obj1StripsCw.Render(renderer, context);
// Patch the non-null default transformation matrix indexes (for obj2)
// with the specific indexes set for this mesh
for (int i = 0; i < TransformMatrixSpecificIdxsObj2.Length; i++)
{
if (TransformMatrixSpecificIdxsObj2[i] != byte.MaxValue)
{
context.TransformMatrixIdxs[i] = TransformMatrixSpecificIdxsObj2[i];
}
}
renderer.SetFrontFaceDirection(FrontFaceDirection.Ccw);
Obj2StripsCcw.Render(renderer, context);
renderer.SetFrontFaceDirection(FrontFaceDirection.Cw);
Obj2StripsCw.Render(renderer, context);
}