/// <summary>
/// Create a parameter object from a file and address
/// </summary>
/// <param name="file">The file contents</param>
/// <param name="address">The address at which the parameter is located</param>
/// <returns>Any of the parameter types</returns>
public static GCParameter Read(byte[] file, int address)
{
GCParameter result = null;
ParameterType paramType = (ParameterType)BitConverter.ToUInt32(file, address);
switch (paramType)
{
case ParameterType.VtxAttrFmt:
result = new VtxAttrFmtParameter(GCVertexAttribute.Null);
break;
case ParameterType.IndexAttributeFlags:
result = new IndexAttributeParameter();
break;
case ParameterType.Lighting:
result = new LightingParameter();
break;
case ParameterType.BlendAlpha:
result = new BlendAlphaParameter();
break;
case ParameterType.AmbientColor:
result = new AmbientColorParameter();
break;
case ParameterType.Texture:
result = new TextureParameter();
break;
case ParameterType.Unknown_9:
result = new Unknown9Parameter();
break;
case ParameterType.TexCoordGen:
result = new TexCoordGenParameter();
break;
}
result.data = ByteConverter.ToUInt32(file, address + 4);
return(result);
}
/// <summary>
/// Read a mesh from a file
/// </summary>
/// <param name="file">The files contents</param>
/// <param name="address">The address at which the mesh is located</param>
/// <param name="imageBase">The imagebase (used for when reading from an exe)</param>
/// <param name="index">Indexattribute parameter of the previous mesh</param>
public GCMesh(byte[] file, int address, uint imageBase, GCIndexAttributeFlags indexFlags)
{
// getting the addresses and sizes
int parameters_offset = (int)(ByteConverter.ToInt32(file, address) - imageBase);
int parameters_count = ByteConverter.ToInt32(file, address + 4);
int primitives_offset = (int)(ByteConverter.ToInt32(file, address + 8) - imageBase);
int primitives_size = ByteConverter.ToInt32(file, address + 12);
// reading the parameters
parameters = new List <GCParameter>();
for (int i = 0; i < parameters_count; i++)
{
parameters.Add(GCParameter.Read(file, parameters_offset));
parameters_offset += 8;
}
// getting the index attribute parameter
GCIndexAttributeFlags?flags = IndexFlags;
if (flags.HasValue)
{
indexFlags = flags.Value;
}
// reading the primitives
primitives = new List <GCPrimitive>();
int end_pos = primitives_offset + primitives_size;
while (primitives_offset < end_pos)
{
// if the primitive isnt valid
if (file[primitives_offset] == 0)
{
break;
}
primitives.Add(new GCPrimitive(file, primitives_offset, indexFlags, out primitives_offset));
}
}