예제 #1
0
        public IGeometryModel ReadGeometry(int lod)
        {
            if (lod < 0 || lod >= ((IRenderGeometry)this).LodCount)
            {
                throw new ArgumentOutOfRangeException(nameof(lod));
            }

            using (var reader = cache.CreateReader(cache.DefaultAddressTranslator))
            {
                var model = new GeometryModel(item.FileName())
                {
                    CoordinateSystem = CoordinateSystem.Default
                };

                model.Nodes.AddRange(Nodes);
                model.MarkerGroups.AddRange(MarkerGroups);

                var shaderRefs = Shaders.Select(s => s.ShaderReference);
                model.Materials.AddRange(Halo1Common.GetMaterials(shaderRefs, reader));

                foreach (var region in Regions)
                {
                    var gRegion = new GeometryRegion {
                        SourceIndex = Regions.IndexOf(region), Name = region.Name
                    };
                    gRegion.Permutations.AddRange(region.Permutations.Select(p =>
                                                                             new GeometryPermutation
                    {
                        SourceIndex = region.Permutations.IndexOf(p),
                        Name        = p.Name,
                        MeshIndex   = p.LodIndex(lod),
                        MeshCount   = 1
                    }));

                    model.Regions.Add(gRegion);
                }

                if (cache.CacheType == CacheType.Halo1Xbox)
                {
                    model.Meshes.AddRange(ReadXboxMeshes(reader));
                }
                else
                {
                    model.Meshes.AddRange(ReadPCMeshes(reader));
                }

                return(model);
            }
        }