//Add GameObjects to dictionary
// Traverse function iterates the scene graph to build local branches on Unity
GameObject Traverse(Node n, Material currentMaterial)
{
// We must be called in edit lock
if (n == null || !n.IsValid())
{
return(null);
}
// --------------------------- Add game object ---------------------------------------
string name = n.GetName();
if (String.IsNullOrEmpty(name))
{
name = n.GetNativeTypeName();
}
GameObject gameObject = new GameObject(name);
var nodeHandle = gameObject.AddComponent <NodeHandle>();
//nodeHandle.Renderer = Renderer;
nodeHandle.node = n;
nodeHandle.currentMaterial = currentMaterial;
nodeHandle.ComputeShader = Settings.ComputeShader;
// ---------------------------- Check material state ----------------------------------
if (n.HasState())
{
State state = n.State;
if (state.HasTexture(0) && state.GetMode(StateMode.TEXTURE) == StateModeActivation.ON)
{
gzTexture texture = state.GetTexture(0);
if (!textureMaterialStorage.TryGetValue(texture.GetNativeReference(), out currentMaterial))
{
if (texture.HasImage())
{
ImageFormat image_format;
ComponentType comp_type;
uint components;
uint depth;
uint width;
uint height;
uint size;
bool uncompress = false;
Image image = texture.GetImage();
image_format = image.GetFormat();
image.Dispose();
switch (image_format) // Not yet
{
case ImageFormat.COMPRESSED_RGBA8_ETC2:
if (!SystemInfo.SupportsTextureFormat(TextureFormat.ETC2_RGBA8))
{
uncompress = true;
}
break;
case ImageFormat.COMPRESSED_RGB8_ETC2:
if (!SystemInfo.SupportsTextureFormat(TextureFormat.ETC2_RGB))
{
uncompress = true;
}
break;
case ImageFormat.COMPRESSED_RGBA_S3TC_DXT1:
case ImageFormat.COMPRESSED_RGB_S3TC_DXT1:
if (!SystemInfo.SupportsTextureFormat(TextureFormat.DXT1))
{
uncompress = true;
}
break;
case ImageFormat.COMPRESSED_RGBA_S3TC_DXT5:
if (!SystemInfo.SupportsTextureFormat(TextureFormat.DXT5))
{
uncompress = true;
}
break;
}
if (texture.GetMipMapImageArray(ref _image_texture_data, out size, out image_format, out comp_type, out components, out width, out height, out depth, true, uncompress))
{
if (depth == 1)
{
if (n is Crossboard)
{
currentMaterial = new Material(Settings.CrossboardShader);
}
else
{
currentMaterial = new Material(Settings.DefaultShader);
}
TextureFormat format = TextureFormat.ARGB32;
switch (comp_type)
{
case ComponentType.UNSIGNED_BYTE:
{
switch (image_format)
{
case ImageFormat.RGBA:
format = TextureFormat.RGBA32;
break;
case ImageFormat.RGB:
format = TextureFormat.RGB24;
break;
case ImageFormat.COMPRESSED_RGBA_S3TC_DXT1:
case ImageFormat.COMPRESSED_RGB_S3TC_DXT1:
format = TextureFormat.DXT1;
break;
case ImageFormat.COMPRESSED_RGBA_S3TC_DXT5:
format = TextureFormat.DXT5;
break;
case ImageFormat.COMPRESSED_RGB8_ETC2:
format = TextureFormat.ETC2_RGB;
break;
case ImageFormat.COMPRESSED_RGBA8_ETC2:
format = TextureFormat.ETC2_RGBA8;
break;
default:
// Issue your own error here because we can not use this texture yet
return(null);
}
}
break;
default:
// Issue your own error here because we can not use this texture yet
return(null);
}
Texture2D tex = new Texture2D((int)width, (int)height, format, true);
tex.LoadRawTextureData(_image_texture_data);
switch (texture.MinFilter)
{
default:
tex.filterMode = FilterMode.Point;
break;
case gzTexture.TextureMinFilter.LINEAR:
case gzTexture.TextureMinFilter.LINEAR_MIPMAP_NEAREST:
tex.filterMode = FilterMode.Bilinear;
break;
case gzTexture.TextureMinFilter.LINEAR_MIPMAP_LINEAR:
tex.filterMode = FilterMode.Trilinear;
break;
}
tex.Apply(texture.UseMipMaps, true);
currentMaterial.mainTexture = tex;
}
}
}
// Add some kind of check for textures shared by many
// Right now only for crossboards
if (n is Crossboard)
{
textureMaterialStorage.Add(texture.GetNativeReference(), currentMaterial);
}
}
nodeHandle.currentMaterial = currentMaterial;
texture.Dispose();
}
state.Dispose();
}
// ---------------------------- Transform check -------------------------------------
gzTransform tr = n as gzTransform;
if (tr != null)
{
Vec3 translation;
if (tr.GetTranslation(out translation))
{
Vector3 trans = new Vector3(translation.x, translation.y, translation.z);
gameObject.transform.localPosition = trans;
}
// Notify subscribers of new Transform
OnNewTransform?.Invoke(gameObject);
}
// ---------------------------- DynamicLoader check -------------------------------------
DynamicLoader dl = n as DynamicLoader; // Add dynamic loader as game object in dictionary
// so other dynamic loaded data can parent them as child to loader
if (dl != null)
{
List <GameObject> list;
if (!NodeUtils.FindGameObjects(dl.GetNativeReference(), out list)) // We are not registered
{
NodeUtils.AddGameObjectReference(dl.GetNativeReference(), gameObject);
nodeHandle.inNodeUtilsRegistry = true; // Added to registry
// We shall continue to iterate as a group to see if we already have loaded children
}
else // We are already in list
{
return(list[0]); // Lets return first object wich is our main registered node
}
// Notify subscribers of new Loader
OnNewLoader?.Invoke(gameObject);
}
// ---------------------------- Lod check -------------------------------------
Lod ld = n as Lod;
if (ld != null)
{
foreach (Node child in ld)
{
GameObject go_child = Traverse(child, currentMaterial);
if (go_child == null)
{
return(null);
}
NodeHandle h = go_child.GetComponent <NodeHandle>();
if (h != null)
{
if (!NodeUtils.HasGameObjects(h.node.GetNativeReference()))
{
NodeUtils.AddGameObjectReference(h.node.GetNativeReference(), go_child);
h.inNodeUtilsRegistry = true;
h.node.AddActionInterface(_actionReceiver, NodeActionEvent.IS_TRAVERSABLE);
h.node.AddActionInterface(_actionReceiver, NodeActionEvent.IS_NOT_TRAVERSABLE);
}
}
go_child.transform.SetParent(gameObject.transform, false);
}
// Notify subscribers of new Lod
OnNewLod?.Invoke(gameObject);
// Dont process group as group is already processed
return(gameObject);
}
// ---------------------------- Roi check -------------------------------------
Roi roi = n as Roi;
if (roi != null)
{
nodeHandle.updateTransform = true;
nodeHandle.inNodeUpdateList = true;
updateNodeObjects.AddLast(gameObject);
foreach (Node child in roi)
{
GameObject go_child = Traverse(child, currentMaterial);
if (go_child == null)
{
return(null);
}
NodeHandle h = go_child.GetComponent <NodeHandle>();
if (h != null)
{
if (!NodeUtils.HasGameObjects(h.node.GetNativeReference()))
{
NodeUtils.AddGameObjectReference(h.node.GetNativeReference(), go_child);
h.inNodeUtilsRegistry = true;
h.node.AddActionInterface(_actionReceiver, NodeActionEvent.IS_TRAVERSABLE);
h.node.AddActionInterface(_actionReceiver, NodeActionEvent.IS_NOT_TRAVERSABLE);
}
}
go_child.transform.SetParent(gameObject.transform, false);
}
// Dont process group
return(gameObject);
}
// ---------------------------- RoiNode check -------------------------------------
RoiNode roinode = n as RoiNode;
if (roinode != null)
{
nodeHandle.updateTransform = true;
nodeHandle.inNodeUpdateList = true;
updateNodeObjects.AddLast(gameObject);
}
// ---------------------------- Group check -------------------------------------
Group g = n as Group;
if (g != null)
{
foreach (Node child in g)
{
GameObject go_child = Traverse(child, currentMaterial);
if (go_child == null)
{
return(null);
}
go_child.transform.SetParent(gameObject.transform, false);
}
return(gameObject);
}
// ---------------------------ExtRef check -----------------------------------------
ExtRef ext = n as ExtRef;
if (ext != null)
{
AssetLoadInfo info = new AssetLoadInfo(gameObject, ext.ResourceURL, ext.ObjectID);
pendingAssetLoads.Push(info);
}
// ---------------------------- Crossboard check -----------------------------------
Crossboard cb = n as Crossboard;
if (cb != null && GfxCaps.HasCapability(Capability.UseTreeCrossboards))
{
// Scheduled for later build
pendingBuilds.Enqueue(nodeHandle);
}
// ---------------------------- Geometry check -------------------------------------
Geometry geom = n as Geometry;
if (geom != null)
{
nodeHandle.BuildGameObject();
// Notify subscribers of new Geometry
OnNewGeometry?.Invoke(gameObject);
// Later on we will identify types of geoemtry that will be scheduled later if they are extensive and not ground that covers other geometry
// and build them in a later pass distributed over time
// pendingBuilds.Enqueue(nodeHandle);
}
return(gameObject);
}