private MeshData GetOrCreateMeshData(ValveBspFile bsp, GeometryPage page, string matPath, bool cacheVertices = true)
{
MaterialGroup matGroup;
var matDictIndex = MaterialDictionary.GetResourceIndex(bsp, matPath);
if (!page.MaterialIndices.TryGetValue(matDictIndex, out int matIndex))
{
var vmt = ValveMaterialFile.FromProvider(MaterialDictionary.GetResourcePath(bsp, matDictIndex), bsp.PakFile, Program.Resources);
matGroup = new MaterialGroup(matIndex = page.Materials.Count, cacheVertices)
{
Material = matDictIndex
};
page.MaterialIndices.Add(matDictIndex, matIndex);
page.Materials.Add(matGroup);
FindMaterialAttributes(vmt, matGroup.MeshData.Attributes);
}
else
{
matGroup = page.Materials[matIndex];
}
return(matGroup.MeshData);
}
public MaterialPage GetPage([Url] string map, [Url] int index)
{
var bsp = Program.GetMap(map);
var first = index * MaterialPage.MaterialsPerPage;
var count = Math.Min(first + MaterialPage.MaterialsPerPage, MaterialDictionary.GetResourceCount(bsp)) - first;
if (count < 0)
{
first = MaterialDictionary.GetResourceCount(bsp);
count = 0;
}
var texDict = new Dictionary <string, int>();
var page = new MaterialPage();
for (var i = 0; i < count; ++i)
{
var path = MaterialDictionary.GetResourcePath(bsp, first + i);
var mat = Material.Get(bsp, path);
page.Materials.Add(mat);
if (mat == null)
{
continue;
}
foreach (var prop in mat.Properties)
{
if (prop.Type != MaterialPropertyType.TextureUrl)
{
continue;
}
prop.Type = MaterialPropertyType.TextureIndex;
var texUrl = (Url)prop.Value;
int texIndex;
if (texDict.TryGetValue(texUrl, out texIndex))
{
prop.Value = texIndex;
continue;
}
prop.Value = texIndex = page.Textures.Count;
var texPath = TextureController.GetTexturePath(texUrl);
var tex = Texture.Get(bsp, texPath);
texDict.Add(texUrl, texIndex);
page.Textures.Add(tex);
}
}
return(page);
}
