public override void OnImportAsset(AssetImportContext ctx)
{
try
{
PCache pcache = PCache.FromFile(ctx.assetPath);
PointCacheAsset cache = ScriptableObject.CreateInstance <PointCacheAsset>();
cache.name = "PointCache";
ctx.AddObjectToAsset("PointCache", cache);
ctx.SetMainObject(cache);
List <InProperty> inProperties = new List <InProperty>();
Dictionary <string, OutProperty> outProperties = new Dictionary <string, OutProperty>();
Dictionary <OutProperty, Texture2D> surfaces = new Dictionary <OutProperty, Texture2D>();
foreach (var prop in pcache.properties)
{
OutProperty p_out;
if (outProperties.ContainsKey(prop.ComponentName))
{
p_out = outProperties[prop.ComponentName];
p_out.Size = Math.Max(p_out.Size, prop.ComponentIndex + 1);
}
else
{
p_out = new OutProperty(prop.Type, prop.ComponentName, prop.ComponentIndex + 1);
outProperties.Add(prop.ComponentName, p_out);
}
inProperties.Add(new InProperty(prop.Type, prop.Name, prop.ComponentIndex, p_out));
}
int width, height;
FindBestSize(pcache.elementCount, out width, out height);
// Output Surface Creation
foreach (var kvp in outProperties)
{
TextureFormat surfaceFormat = TextureFormat.Alpha8;
switch (kvp.Value.PropertyType)
{
case "byte":
if (kvp.Value.Size == 1)
{
surfaceFormat = TextureFormat.Alpha8;
}
else
{
surfaceFormat = TextureFormat.RGBA32;
}
break;
case "float":
if (kvp.Value.Size == 1)
{
surfaceFormat = TextureFormat.RHalf;
}
else
{
surfaceFormat = TextureFormat.RGBAHalf;
}
break;
default: throw new NotImplementedException("Types other than byte/float are not supported yet");
}
Texture2D surface = new Texture2D(width, height, surfaceFormat, false);
surface.name = kvp.Key;
surfaces.Add(kvp.Value, surface);
}
cache.PointCount = pcache.elementCount;
cache.surfaces = new Texture2D[surfaces.Count];
Dictionary <OutProperty, Color> outValues = new Dictionary <OutProperty, Color>();
foreach (var kvp in outProperties)
{
outValues.Add(kvp.Value, new Color());
}
for (int i = 0; i < pcache.elementCount; i++)
{
int idx = 0;
foreach (var prop in inProperties)
{
float val = 0.0f;
switch (prop.PropertyType)
{
case "byte":
val = Mathf.Clamp01(((int)pcache.buckets[idx][i]) / 256.0f);
break;
case "float":
val = ((float)pcache.buckets[idx][i]);
break;
default: throw new NotImplementedException("Types other than byte/float are not supported yet");
}
SetPropValue(prop.Index, outValues, prop.OutProperty, val);
idx++;
}
foreach (var kvp in outProperties)
{
surfaces[kvp.Value].SetPixel(i % width, i / width, outValues[kvp.Value]);
}
}
int k = 0;
foreach (var kvp in surfaces)
{
kvp.Value.Apply();
kvp.Value.hideFlags = HideFlags.HideInHierarchy;
ctx.AddObjectToAsset(kvp.Key.Name, kvp.Value);
cache.surfaces[k] = kvp.Value;
k++;
}
}
catch (System.Exception e)
{
Debug.LogException(e);
}
}
