internal static int GetPerMaterialDataIndex(ref MyPerMaterialData data)
{
var key = data.CalculateKey();
if (!HashIndex.ContainsKey(key))
{
HashIndex[key] = HashIndex.Count;
Data.Add(data);
}
return HashIndex[key];
}
internal static void PreFrame()
{
TransferHashIndex.Clear();
// bump default material as 0
MyPerMaterialData defaultMat = new MyPerMaterialData();
GetDrawMaterialIndex(GetPerMaterialDataIndex(ref defaultMat));
// bump foliage material as 1 (important)
MyPerMaterialData foliageMat = new MyPerMaterialData();
foliageMat.Type = MyMaterialTypeEnum.FOLIAGE;
GetDrawMaterialIndex(GetPerMaterialDataIndex(ref foliageMat));
}
internal static void FillPerMaterialData(ref MyPerMaterialData perMaterialData, string technique)
{
perMaterialData.Type = 0;
switch(technique)
{
case "FOLIAGE":
perMaterialData.Type = MyMaterialTypeEnum.FOLIAGE;
break;
}
}