// gets all materials and the labels on them in the project, compares them against a filter,
// and then adds them to the list of materials to be used in this window
public static void GetMaterials(ref List <ChiselMaterialBrowserTile> materials,
ref List <ChiselMaterialBrowserTile> usedMaterials,
ref List <string> labels,
ref List <CSGModel> models,
bool usingLabel,
string searchLabel = "",
string searchText = "")
{
if (usingLabel && searchLabel == string.Empty)
{
Debug.LogError($"usingLabel set to true, but no search term was given. This may give undesired results.");
}
materials.ForEach(e =>
{
e.Dispose();
e = null;
});
materials.Clear();
// exclude the label search tag if we arent searching for a specific label right now
string search = usingLabel ? $"l:{searchLabel} {searchText}" : $"{searchText}";
string[] guids = AssetDatabase.FindAssets($"t:Material {search}");
// assemble preview tiles
foreach (string id in guids)
{
ChiselMaterialBrowserTile browserTile = new ChiselMaterialBrowserTile(id); //, ref cache );
if (labels != null)
{
// add any used labels we arent currently storing
foreach (string label in browserTile.labels)
{
if (!labels.Contains(label))
{
labels.Add(label);
}
}
}
// check each entry against a filter to exclude certain entries
if (IsValidEntry(browserTile))
{
// if we have the material already, skip, else add it
materials.Add(browserTile);
}
}
AssetPreview.SetPreviewTextureCacheSize(materials.Count + 1);
models = Object.FindObjectsOfType <CSGModel>().ToList();
PopulateUsedMaterials(ref usedMaterials, ref models, searchLabel, searchText);
}
// checks a path and returns true/false if a material is ignored or not
public static bool IsValidEntry(ChiselMaterialBrowserTile tile)
{
// these are here to clean things up a little bit and make it easier to read
bool PathContains(string path)
{
return(tile.path.ToLower().Contains(path));
}
// checks for any shaders we want to exclude
bool HasInvalidShader()
{
string shader = tile.shaderName.ToLower();
string[] excludedShaders = new string[]
{
"skybox/"
};
return(shader.Contains(excludedShaders[0]));
}
string chiselPath = "packages/com.chisel.components/package resources/";
string[] ignoredEntries = new string[]
{
"packages/com.unity.searcher/", // 0, we ignore this to get rid of the built-in font materials
"packages/com.unity.entities/", // 1, we ignore this to get rid of the entities materials
$"{chiselPath}preview materials/", // 2, these are tool textures, so we are ignoring them
};
// if the path contains any of the ignored paths, then this will return false
bool valid = !PathContains(ignoredEntries[0]) &&
!PathContains(ignoredEntries[1]) &&
!PathContains(ignoredEntries[2]) &&
!HasInvalidShader(); // also check the shader
return(valid);
}