public GcmfRenderContext(Gcmf gcmf)
{
this.Gcmf = gcmf;
this.TransformMatrixIdxs = new byte[8];
for (int i = 0; i < TransformMatrixIdxs.Length; i++)
{
TransformMatrixIdxs[i] = byte.MaxValue;
}
}
/// <summary>
/// Create a new Gma model from a loaded OBJ/MTL model.
/// </summary>
/// <param name="model">The model to load the .GMA file from.</param>
/// <param name="textureIndexMapping">Correspondence between the textures defined in the model materials and .TPL texture indices.</param>
public Gma(ObjMtlModel model, Dictionary <Bitmap, int> textureIndexMapping)
: this()
{
if (model.Objects.ContainsKey("") && model.Objects[""].Meshes.SelectMany(m => m.Faces).Any())
{
throw new InvalidOperationException("Geometry is not allowed outside of named objects.");
}
foreach (KeyValuePair <string, ObjMtlObject> objectEntry in model.Objects)
{
Gcmf modelObject = new Gcmf(objectEntry.Value, textureIndexMapping);
this.Add(new GmaEntry(objectEntry.Key, modelObject));
}
}
/// <summary>
/// Load a Gma model from the given .GMA stream.
/// </summary>
private void Load(EndianBinaryReader input, GcGame game)
{
int numObjs = input.ReadInt32();
int modelBasePosition = input.ReadInt32();
List <GmaEntryOffsets> entryOffs = new List <GmaEntryOffsets>();
for (int i = 0; i < numObjs; i++)
{
entryOffs.Add(new GmaEntryOffsets
{
ModelOffset = input.ReadInt32(),
NameOffset = input.ReadInt32()
});
}
int nameBasePosition = Convert.ToInt32(input.BaseStream.Position);
foreach (GmaEntryOffsets entryOff in entryOffs)
{
// There are some "empty" entries, without any data or a name.
// We insert null into the container in this case.
if (entryOff.ModelOffset != -1 || entryOff.NameOffset != 0)
{
input.BaseStream.Position = nameBasePosition + entryOff.NameOffset;
string name = input.ReadAsciiString();
input.BaseStream.Position = modelBasePosition + entryOff.ModelOffset;
Gcmf model = new Gcmf();
model.Load(input, game);
Add(new GmaEntry(name, model));
}
else
{
Add(null);
}
}
}
/// <summary>Create a new GmaEntry with the given name and associated model object.</summary>
public GmaEntry(string name, Gcmf modelObject)
{
Name = name;
ModelObject = modelObject;
}