/// <summary>
/// Assign a single material value. Based on the values passed we'll either set (or clear) the materials for a SOP.
/// </summary>
/// <param name="sop">The SOP being affected.</param>
/// <param name="face">The face to assign, or -1 if the default texture is being set.</param>
/// <param name="id">The ID assigned to this material. Setting a Zero UUID clears it.</param>
/// <param name="material">If not null, the material to set. Otherwise we are clearing.</param>
private void AssignSingleMaterial(SceneObjectPart sop, int face, OSDMap matData)
{
UUID id = UUID.Zero;
// If there is a material being set, see if we've seen it before.
// If not we'll add it to the Shape RenderMaterials and the region cache
if (matData != null)
{
RenderMaterial material = RenderMaterial.FromOSD(matData);
id = sop.Shape.RenderMaterials.AddMaterial(material);
m_scene.EventManager.TriggerRenderMaterialAddedToPrim(sop, id, material);
m_log.DebugFormat("[RenderMaterials]: SOP {0}, Face {1}, Adding RenderMaterial {2}",
sop.LocalId, face, material.ToString());
}
// If the new material is replacing one lets record it so we can clean up
UUID oldMaterialID = UUID.Zero;
/// Get a copy of the texture entry so we can make changes.
var te = new Primitive.TextureEntry(sop.Shape.TextureEntry, 0, sop.Shape.TextureEntry.Length);
// Set the Material ID in the TextureEntry. If face is ALL_SIDES then
// set the default entry, otherwise fetch the face and set it there.
if (face < 0)
{
oldMaterialID = te.DefaultTexture.MaterialID;
te.DefaultTexture.MaterialID = id;
}
else
{
var faceEntry = te.CreateFace((uint)face);
oldMaterialID = faceEntry.MaterialID;
faceEntry.MaterialID = id;
}
// Update the texture entry which will force an update to connected clients
sop.UpdateTexture(te);
// If the material has changed and it wasn't previously Zero
// Deallocate the old value if its not in use and signal the change
if ((oldMaterialID != id) &&
(oldMaterialID != UUID.Zero))
{
var currentMaterialIDs = sop.Shape.GetMaterialIDs();
if (currentMaterialIDs.Contains(oldMaterialID) == false)
{
if (sop.Shape.RenderMaterials.ContainsMaterial(oldMaterialID) == true)
{
sop.Shape.RenderMaterials.RemoveMaterial(oldMaterialID);
}
m_scene.EventManager.TriggerRenderMaterialRemovedFromPrim(sop, oldMaterialID);
}
}
}
/// <summary>
/// Called once new texture data has been received for this updater.
/// </summary>
public void DataReceived(byte[] data, Scene scene)
{
SceneObjectPart part = scene.GetSceneObjectPart(PrimID);
if (part == null || data == null || data.Length <= 1)
{
string msg =
String.Format("DynamicTextureModule: Error preparing image using URL {0}", Url);
scene.SimChat(Utils.StringToBytes(msg), ChatTypeEnum.Say,
0, part.ParentGroup.RootPart.AbsolutePosition, part.Name, part.UUID, false);
return;
}
byte[] assetData = null;
AssetBase oldAsset = null;
if (BlendWithOldTexture)
{
Primitive.TextureEntryFace defaultFace = part.Shape.Textures.DefaultTexture;
if (defaultFace != null)
{
oldAsset = scene.AssetService.Get(defaultFace.TextureID.ToString());
if (oldAsset != null)
{
assetData = BlendTextures(data, oldAsset.Data, SetNewFrontAlpha, FrontAlpha);
}
}
}
if (assetData == null)
{
assetData = new byte[data.Length];
Array.Copy(data, assetData, data.Length);
}
// Create a new asset for user
AssetBase asset = new AssetBase(UUID.Random(), "DynamicImage" + Util.RandomClass.Next(1, 10000), (sbyte)AssetType.Texture,
scene.RegionInfo.RegionID.ToString());
asset.Data = assetData;
asset.Description = String.Format("URL image : {0}", Url);
asset.Local = false;
asset.Temporary = ((Disp & DISP_TEMP) != 0);
scene.AssetService.Store(asset);
// scene.CommsManager.AssetCache.AddAsset(asset);
IJ2KDecoder cacheLayerDecode = scene.RequestModuleInterface <IJ2KDecoder>();
if (cacheLayerDecode != null)
{
cacheLayerDecode.Decode(asset.FullID, asset.Data);
cacheLayerDecode = null;
LastAssetID = asset.FullID;
}
UUID oldID = UUID.Zero;
lock (part)
{
// mostly keep the values from before
Primitive.TextureEntry tmptex = part.Shape.Textures;
// remove the old asset from the cache
oldID = tmptex.DefaultTexture.TextureID;
if (Face == ALL_SIDES)
{
tmptex.DefaultTexture.TextureID = asset.FullID;
}
else
{
try
{
Primitive.TextureEntryFace texface = tmptex.CreateFace((uint)Face);
texface.TextureID = asset.FullID;
tmptex.FaceTextures[Face] = texface;
}
catch (Exception)
{
tmptex.DefaultTexture.TextureID = asset.FullID;
}
}
// I'm pretty sure we always want to force this to true
// I'm pretty sure noone whats to set fullbright true if it wasn't true before.
// tmptex.DefaultTexture.Fullbright = true;
part.UpdateTexture(tmptex);
}
if (oldID != UUID.Zero && ((Disp & DISP_EXPIRE) != 0))
{
if (oldAsset == null)
{
oldAsset = scene.AssetService.Get(oldID.ToString());
}
if (oldAsset != null)
{
if (oldAsset.Temporary == true)
{
scene.AssetService.Delete(oldID.ToString());
}
}
}
}
