/// <summary>
/// Gets terrain metallic gloss map texture array containing each terrain tile in a seperate array slice.
/// </summary>
/// <param name="archive">Archive index.</param>
/// <param name="stayReadable">Texture should stay readable.</param>
/// <param name="nonAlphaFormat">Non-alpha TextureFormat.</param>
/// <returns>Texture2DArray or null</returns>
public Texture2DArray GetTerrainMetallicGlossMapTextureArray(
int archive,
bool stayReadable = false,
SupportedNonAlphaTextureFormats nonAlphaFormat = SupportedNonAlphaTextureFormats.RGB24)
{
Color32[] defaultMetallicGlossMap;
// Load texture file and check count matches terrain tiles
TextureFile textureFile = new TextureFile(Path.Combine(Arena2Path, TextureFile.IndexToFileName(archive)), FileUsage.UseMemory, true);
int numSlices = 0;
if (textureFile.RecordCount == 56)
{
numSlices = textureFile.RecordCount;
}
else
{
return(null);
}
Texture2DArray textureArray;
int width;
int height;
// try to import first replacement texture for tile archive to determine width and height of replacement texture set (must be the same for all replacement textures for Texture2DArray)
if (TextureReplacement.CustomMetallicGlossExist(archive, 0, 0))
{
Texture2D metallicGlossMap = TextureReplacement.LoadCustomMetallicGloss(archive, 0, 0);
width = metallicGlossMap.width;
height = metallicGlossMap.height;
}
else
{
// create default texture array (1x1 texture)
width = 1;
height = 1;
}
textureArray = new Texture2DArray(width, height, numSlices, TextureFormat.ARGB32, MipMaps);
defaultMetallicGlossMap = new Color32[width * height];
for (int i = 0; i < width * height; i++)
{
defaultMetallicGlossMap[i] = new Color32(0, 0, 0, 255);
}
// Rollout tiles into texture array
for (int record = 0; record < textureFile.RecordCount; record++)
{
Texture2D metallicGlossMap;
// Import custom texture(s)
if (TextureReplacement.CustomMetallicGlossExist(archive, record, 0))
{
metallicGlossMap = TextureReplacement.LoadCustomMetallicGloss(archive, record, 0);
}
else
{
//continue;
metallicGlossMap = new Texture2D(width, height, TextureFormat.ARGB32, MipMaps);
metallicGlossMap.SetPixels32(defaultMetallicGlossMap);
}
// enforce that all custom metallicgloss map textures have the same dimension (requirement of Texture2DArray)
if ((metallicGlossMap.width != width) || (metallicGlossMap.height != height))
{
Debug.LogErrorFormat("Terrain: failed to inject metallicgloss maps for archive {0}, incorrect size at record {1}.", archive, record);
return(null);
}
// Insert into texture array
textureArray.SetPixels32(metallicGlossMap.GetPixels32(), record, 0);
}
textureArray.Apply(true, !stayReadable);
// Change settings for these textures
textureArray.wrapMode = TextureWrapMode.Clamp;
textureArray.anisoLevel = 8;
return(textureArray);
}
