/// <summary>
/// Gets Unity Material from Daggerfall terrain using texture arrays.
/// </summary>
/// <param name="archive">Archive index.</param>
/// <returns>Material or null.</returns>
public Material GetTerrainTextureArrayMaterial(int archive)
{
// Ready check
if (!IsReady)
{
return(null);
}
// Return from cache if present
int key = MakeTextureKey((short)archive, (byte)0, (byte)0, TileMapKeyGroup);
if (materialDict.ContainsKey(key))
{
CachedMaterial cm = GetMaterialFromCache(key);
if (cm.filterMode == MainFilterMode)
{
// Properties are the same
return(cm.material);
}
else
{
// Properties don't match, remove material and reload
materialDict.Remove(key);
}
}
// Generate texture array
Texture2DArray textureArrayTerrainTiles = textureReader.GetTerrainAlbedoTextureArray(archive);
Texture2DArray textureArrayTerrainTilesNormalMap = textureReader.GetTerrainNormalMapTextureArray(archive);
Texture2DArray textureArrayTerrainTilesMetallicGloss = textureReader.GetTerrainMetallicGlossMapTextureArray(archive);
textureArrayTerrainTiles.filterMode = MainFilterMode;
Shader shader = Shader.Find(_DaggerfallTilemapTextureArrayShaderName);
Material material = new Material(shader);
material.name = string.Format("TEXTURE.{0:000} [TilemapTextureArray]", archive);
material.SetTexture(TileTexArrUniforms.TileTexArr, textureArrayTerrainTiles);
if (textureArrayTerrainTilesNormalMap != null)
{
// if normal map texture array was loaded successfully enable normalmap in shader and set texture
material.SetTexture(TileTexArrUniforms.TileNormalMapTexArr, textureArrayTerrainTilesNormalMap);
material.EnableKeyword(KeyWords.NormalMap);
}
if (textureArrayTerrainTilesMetallicGloss != null)
{
// if metallic gloss map texture array was loaded successfully set texture (should always contain a valid texture array - since it defaults to 1x1 textures)
material.SetTexture(TileTexArrUniforms.TileMetallicGlossMapTexArr, textureArrayTerrainTilesMetallicGloss);
}
CachedMaterial newcm = new CachedMaterial()
{
key = key,
keyGroup = TileMapKeyGroup,
material = material,
filterMode = MainFilterMode,
};
materialDict.Add(key, newcm);
return(material);
}