public void UnloadContent()
{
if (HasEmptyContent)
{
return;
}
ContentState = Unity3DTileContentState.UNLOADED;
if (Content != null && Content.Go != null)
{
GameObject.Destroy(Content.Go);
Content = null;
Tileset.Behaviour.RequestUnloadUnusedAssets();
}
}
protected override void UpdateAndApply(Unity3DTilesetStyle targetStyle, Unity3DTileContent content)
{
SimpleShaderTilesetStyle target = (SimpleShaderTilesetStyle)targetStyle;
// Check to see if style attributes are out of date and lazily update
if (target.Shader != this.Shader)
{
this.Shader = target.Shader;
var renderers = content.GetRenderers();
for (int i = 0; i < renderers.Length; i++)
{
var r = renderers[i];
for (int j = 0; j < r.materials.Length; j++)
{
r.materials[j].shader = this.Shader;
}
}
}
}
/// <summary>
/// Lower priority will be loaded sooner
/// </summary>
/// <param name="priority"></param>
public void RequestContent(float priority)
{
if (HasEmptyContent || ContentState != Unity3DTileContentState.UNLOADED)
{
return;
}
Promise <bool> finished = new Promise <bool>();
finished.Then((success) =>
{
Tileset.Statistics.RequestsThisFrame++;
Tileset.Statistics.NetworkErrorsThisFrame += success ? 0 : 1;
bool duplicate = false;
if (success && Tileset.TileCache.Add(this, out duplicate))
{
ContentState = Unity3DTileContentState.PROCESSING;
Tileset.ProcessingQueue.Enqueue(this);
}
else if (!duplicate)
{
UnloadContent();
}
});
Promise started = new Promise();
started.Then(() =>
{
GameObject go = new GameObject(Id);
go.transform.parent = Tileset.Behaviour.transform;
go.transform.localPosition =
new Vector3(computedTransform.m03, computedTransform.m13, computedTransform.m23);
go.transform.localRotation = computedTransform.rotation;
go.transform.localScale = computedTransform.lossyScale;
go.layer = Tileset.Behaviour.gameObject.layer;
go.SetActive(false);
var info = go.AddComponent <Unity3DTileInfo>();
info.Tile = this;
info.FrameState = FrameState;
Content = new Unity3DTileContent(go);
if (ContentType == Unity3DTileContentType.B3DM)
{
B3DMComponent b3dmCo = go.AddComponent <B3DMComponent>();
b3dmCo.Url = ContentUrl;
b3dmCo.Multithreaded = Tileset.TilesetOptions.GLTFMultithreadedLoad;
b3dmCo.MaximumLod = Tileset.TilesetOptions.GLTFMaximumLOD;
if (!string.IsNullOrEmpty(Tileset.TilesetOptions.ShaderOverride))
{
b3dmCo.ShaderOverride = Shader.Find(Tileset.TilesetOptions.ShaderOverride);
}
b3dmCo.AddColliders = false;
b3dmCo.DownloadOnStart = false;
Tileset.Behaviour.StartCoroutine(b3dmCo.Download(finished));
}
else if (ContentType == Unity3DTileContentType.PNTS)
{
PNTSComponent pntsCo = go.AddComponent <PNTSComponent>();
pntsCo.Url = UrlUtils.RemoveQuery(ContentUrl);
pntsCo.ShaderOverride = Shader.Find("Point Cloud/Point");
pntsCo.DownloadOnStart = false;
Tileset.Behaviour.StartCoroutine(pntsCo.Download(finished));
}
});
Tileset.RequestManager.EnqueRequest(new Request(this, started, finished));
}
/// <summary> /// This method should copy any relevant attributes from the target style to 'this' style /// In cases where the attributes are different the method should update materials on the tile accordingly /// </summary> /// <param name="targetStyle"></param> /// <param name="tile"></param> protected abstract void UpdateAndApply(Unity3DTilesetStyle targetStyle, Unity3DTileContent content);