void CheckTextureSizeAndFormatAndThrow(ref int w, ref int h, ref int mm, ImportSettings_t settings, Texture2D channel, string channelName)
{
if (w == -1)
{
w = channel.width;
}
else if (w != channel.width)
{
ThrowAssetException(channel, channelName + " channel width mismatch.");
}
if (h == -1)
{
h = channel.height;
}
else if (h != channel.height)
{
ThrowAssetException(channel, channelName + " channel height mismatch.");
}
SetTextureImporterSettings(channel, settings);
if (mm == -1)
{
mm = channel.mipmapCount;
}
else if (mm != channel.mipmapCount)
{
ThrowAssetException(channel, channelName + " channel mipmaps mismatch.");
}
}
void SetTextureImporterSettings(Texture2D t, ImportSettings_t settings)
{
bool changed = false;
{
var s = t.GetImporterSettings();
if (settings.Apply(s))
{
t.SetImporterSettings(s);
changed = true;
}
}
{
var s = t.GetImporterPlatformSettings("Standalone");
if (settings.Apply(s))
{
t.SetImporterPlatformSettings(s);
changed = true;
}
}
if (changed)
{
t.ReimportAsset();
}
}
void CreateNormalsChannelTextureArray(WorldAtlas atlas, Func <WorldAtlasMaterialTextures, WorldAtlasMaterialTextures.TextureSet> f, string channelName)
{
List <Texture2D> textures;
List <TextureSet> indices;
LoadTextureList(atlas, out textures, out indices, f, channelName);
if (textures.Count < 1)
{
throw new Exception("No textures defined in atlas!");
}
var settings = new ImportSettings_t()
{
alphaSource = TextureImporterAlphaSource.FromInput,
alphaIsTransparency = false,
aniso = 16,
filterMode = FilterMode.Trilinear,
mipmap = true,
readable = true,
type = TextureImporterType.NormalMap,
format = NORMALS_TEXTURE_FORMAT
};
CreateTextureArray(atlas, settings, textures, channelName);
}
void CreateTextureArray(WorldAtlas atlas, ImportSettings_t settings, List <Texture2D> textures, string channelName)
{
int w = -1;
int h = -1;
int mm = -1;
for (int i = 0; i < textures.Count; ++i)
{
CheckTextureSizeAndFormatAndThrow(ref w, ref h, ref mm, settings, textures[i], channelName);
}
UncheckedCreateTextureArray(atlas, settings, textures, channelName);
}
void UncheckedCreateTextureArray(WorldAtlas atlas, ImportSettings_t settings, List <Texture2D> textures, string channelName)
{
var arr = new Texture2DArray(textures[0].width, textures[0].height, textures.Count, (TextureFormat)settings.format, true, false);
arr.Apply(false, true);
arr.wrapMode = TextureWrapMode.Repeat;
for (int i = 0; i < textures.Count; ++i)
{
var t = textures[i];
for (int mipNum = 0; mipNum < t.mipmapCount; ++mipNum)
{
Graphics.CopyTexture(t, 0, mipNum, arr, i, mipNum);
}
}
SaveTextureArray(atlas, arr, channelName);
}
void CreateRHOTextureArray(WorldAtlas atlas)
{
var table = LoadRHOTextureTable(atlas); // this sets the incoming texture formats to Alpha8
if (table.textures.Count < 1)
{
throw new Exception("No textures defined in atlas!");
}
var textureList = new List <Texture2D>(table.textures.Count);
foreach (var t in table.textures)
{
var joined = JoinTextures(table, t, RHO_TEXTURE_FORMAT);
textureList.Add(joined);
}
var settings = new ImportSettings_t()
{
alphaSource = TextureImporterAlphaSource.FromInput,
alphaIsTransparency = false,
aniso = 16,
filterMode = FilterMode.Trilinear,
mipmap = true,
readable = true,
type = TextureImporterType.Default,
format = RHO_TEXTURE_FORMAT
};
UncheckedCreateTextureArray(atlas, settings, textureList, "RHO");
foreach (var t in textureList)
{
DestroyImmediate(t);
}
}
RHOTextureTable LoadRHOTextureTable(WorldAtlas atlas)
{
var table = new RHOTextureTable();
for (int i = 0; i < atlas.materials.Length; ++i)
{
var m = atlas.materials[i];
if (m == null)
{
ThrowAssetException(atlas, "Material for terrain type '" + ((EVoxelBlockType)(i + 1)).ToString() + "' is not set!");
}
if (m.textures != null)
{
var set = new RHOTextureSet()
{
roughness = m.textures.roughness,
height = m.textures.height,
ao = m.textures.ao
};
AddTextureSet(m, table, set);
}
else
{
ThrowAssetException(m, "Missing textures for atlas material.");
}
}
int w = -1;
int h = -1;
int mm = -1;
var settings = new ImportSettings_t()
{
alphaSource = TextureImporterAlphaSource.FromGrayScale,
alphaIsTransparency = false,
aniso = 16,
filterMode = FilterMode.Trilinear,
mipmap = false,
readable = true,
type = TextureImporterType.Default,
format = TextureImporterFormat.Alpha8
};
foreach (var t in table.roughness)
{
CheckTextureSizeAndFormatAndThrow(ref w, ref h, ref mm, settings, t, "Roughness");
}
foreach (var t in table.height)
{
CheckTextureSizeAndFormatAndThrow(ref w, ref h, ref mm, settings, t, "Height");
}
foreach (var t in table.ao)
{
CheckTextureSizeAndFormatAndThrow(ref w, ref h, ref mm, settings, t, "AO");
}
return(table);
}
