void AssetUploadRequestHandler(Packet packet, Agent agent)
{
AssetUploadRequestPacket request = (AssetUploadRequestPacket)packet;
UUID assetID = UUID.Combine(request.AssetBlock.TransactionID, agent.SecureSessionID);
// Check if the asset is small enough to fit in a single packet
if (request.AssetBlock.AssetData.Length != 0)
{
// Create a new asset from the completed upload
Asset asset = CreateAsset((AssetType)request.AssetBlock.Type, assetID, request.AssetBlock.AssetData);
if (asset == null)
{
Logger.Log("Failed to create asset from uploaded data", Helpers.LogLevel.Warning);
return;
}
Logger.DebugLog(String.Format("Storing uploaded asset {0} ({1})", assetID, asset.AssetType));
asset.Temporary = (request.AssetBlock.Tempfile | request.AssetBlock.StoreLocal);
// Store the asset
StoreAsset(asset);
// Send a success response
AssetUploadCompletePacket complete = new AssetUploadCompletePacket();
complete.AssetBlock.Success = true;
complete.AssetBlock.Type = request.AssetBlock.Type;
complete.AssetBlock.UUID = assetID;
server.UDP.SendPacket(agent.AgentID, complete, PacketCategory.Inventory);
}
else
{
// Create a new (empty) asset for the upload
Asset asset = CreateAsset((AssetType)request.AssetBlock.Type, assetID, null);
if (asset == null)
{
Logger.Log("Failed to create asset from uploaded data", Helpers.LogLevel.Warning);
return;
}
Logger.DebugLog(String.Format("Starting upload for {0} ({1})", assetID, asset.AssetType));
asset.Temporary = (request.AssetBlock.Tempfile | request.AssetBlock.StoreLocal);
RequestXferPacket xfer = new RequestXferPacket();
xfer.XferID.DeleteOnCompletion = request.AssetBlock.Tempfile;
xfer.XferID.FilePath = 0;
xfer.XferID.Filename = new byte[0];
xfer.XferID.ID = request.AssetBlock.TransactionID.GetULong();
xfer.XferID.UseBigPackets = false;
xfer.XferID.VFileID = asset.AssetID;
xfer.XferID.VFileType = request.AssetBlock.Type;
// Add this asset to the current upload list
lock (CurrentUploads)
CurrentUploads[xfer.XferID.ID] = asset;
server.UDP.SendPacket(agent.AgentID, xfer, PacketCategory.Inventory);
}
}
private void SendPresenceAnimationsHandler(object sender, PhysicalPresenceArgs e)
{
IPhysicalPresence presence = e.Presence;
presence.Scene.CreateInterestListEvent(new InterestListEvent(UUID.Combine(presence.ID, ANIMATION_EVENT_ID),
AVATAR_ANIMATION, presence.ScenePosition, presence.Scale, presence));
}
public void RequestUpdateInventoryItem(IClientAPI remoteClient, UUID transactionID,
InventoryItemBase item)
{
if (XferUploaders.ContainsKey(transactionID))
{
UUID assetID = UUID.Combine(transactionID, remoteClient.SecureSessionId);
AssetBase asset = Manager.MyScene.AssetService.Get(assetID.ToString());
if (asset == null)
{
asset = GetTransactionAsset(transactionID);
}
if (asset != null && asset.FullID == assetID)
{
// Assets never get updated, new ones get created
asset.FullID = UUID.Random();
asset.Name = item.Name;
asset.Description = item.Description;
asset.Type = (sbyte)item.AssetType;
item.AssetID = asset.FullID;
Manager.MyScene.AssetService.Store(asset);
}
IInventoryService invService = Manager.MyScene.InventoryService;
invService.UpdateItem(item);
}
}
public void PreloadSound(ISceneEntity source, UUID soundID, float radius)
{
m_scene.CreateInterestListEvent(new InterestListEvent(
UUID.Combine(soundID, PRELOAD_EVENT_ID),
PRELOAD_SOUND,
source.ScenePosition,
new Vector3(radius),
new object[] { source, soundID })
);
}
/*private Packet UpdateInventory(Packet packet, IPEndPoint sim)
* {
* /*
* UpdateInventoryItemPacket uip = (UpdateInventoryItemPacket)packet;
* foreach (UpdateInventoryItemPacket.InventoryDataBlock block in uip.InventoryData)
* {
* if (block.Type == 10)
* {
* if(trans2Item.ContainsKey(block.TransactionID))
* {
* trans2Item[block.TransactionID]=block.ItemID;
* }else
* trans2Item.Add(block.TransactionID, block.ItemID);
* }
* }
* foreach (CurrentUploadType cu in name2SaveBuffer)
* {
* if (trans2Item.ContainsKey(cu.uploadID))
* {
* string filename = trans2Item[curentUpload.uploadID].ToString();
*
* File.WriteAllBytes("Scripts Cache\\" + filename, curentUpload.oldscriptdata);
* }
* }
* name2SaveBuffer.Clear();
* return packet;
* }*/
private Packet TryToSendAsset(Packet packet, IPEndPoint sim)
{
if (Enabled)
{
AssetUploadRequestPacket ass = (AssetUploadRequestPacket)packet;
if (ass.AssetBlock.Type == (sbyte)AssetType.LSLText)
{
Console.WriteLine("Atempting to save to inv with asset type " + ass.AssetBlock.Type.ToString());
CurrentUploadType curentUpload = new CurrentUploadType();
curentUpload.proxySending = false;
curentUpload.local = ass.AssetBlock.StoreLocal;
curentUpload.temp = ass.AssetBlock.Tempfile;
curentUpload.uploadID = ass.AssetBlock.TransactionID;
curentUpload.type = ass.AssetBlock.Type;
curentUpload.data = new byte[] { };
curentUpload.paid = false;
curentUpload.oldscriptdata = new byte[300000];
/*uint newperms = 0;
* newperms |= (uint)PermissionMask.Modify;
* newperms |= (uint)PermissionMask.Copy;
* newperms |= (uint)PermissionMask.Transfer;
*
* curentUpload.ownerMask = newperms;*/
curentUpload.curentdatalenght = 0;
curentUpload.oldmaxsize = 90000;
//Buffer.BlockCopy(ass.AssetBlock.AssetData, 0, curentUpload.oldscriptdata, 0, curentUpload.curentdatalenght);
AssetUploadRequestPacket asetUp = new AssetUploadRequestPacket();
asetUp.AssetBlock.StoreLocal = curentUpload.local;
asetUp.AssetBlock.Tempfile = false;
asetUp.AssetBlock.TransactionID = curentUpload.uploadID;
asetUp.AssetBlock.Type = (sbyte)AssetType.LSLText;
asetUp.AssetBlock.AssetData = new byte[] { };
//proxy.InjectPacket(asetUp, Direction.Outgoing);
//proxy
curentUpload.VFileAssetID = UUID.Combine(curentUpload.uploadID, frame.SecureSessionID);
form.log("We are expecintg a vfile id of " + curentUpload.VFileAssetID.ToString(), System.Drawing.Color.Black, System.Drawing.Color.Magenta);
if (this.uploadsLookingForXferId.ContainsKey(curentUpload.VFileAssetID))
{
this.uploadsLookingForXferId[curentUpload.VFileAssetID] = curentUpload;
}
else
{
this.uploadsLookingForXferId.Add(curentUpload.VFileAssetID, curentUpload);
}
}
}
return(packet);
}
private void ChatFromViewerHandler(Packet packet, LLAgent agent)
{
ChatFromViewerPacket chat = (ChatFromViewerPacket)packet;
ChatType chatType = (ChatType)chat.ChatData.Type;
string message = Utils.BytesToString(chat.ChatData.Message);
int channel = chat.ChatData.Channel;
// Don't allow clients to chat on negative channels
if (channel < 0)
{
channel = 0;
}
// Start/stop typing messages are specific to the LLUDP protocol, so we create events
// directly that will be processed by this same class. Chat messages are a generic
// event that can be supported by multiple protocols, so we call IScene.EntityChat and
// hook IScene.OnChat to do the actual processing
// Event IDs for start/stop typing are generated with UUID.Combine(agent.ID, TYPING_EVENT_ID)
// to create an ID that is unique to each agent in the context of typing. Newer typing
// events will overwrite older ones
switch (chatType)
{
case ChatType.StartTyping:
m_scene.CreateInterestListEvent(new InterestListEvent(UUID.Combine(agent.ID, TYPING_EVENT_ID),
VIEWER_TYPING, agent.ScenePosition, new Vector3(NORMAL_DIST),
new TypingData {
Source = agent, StartTyping = true
}));
break;
case ChatType.StopTyping:
m_scene.CreateInterestListEvent(new InterestListEvent(UUID.Combine(agent.ID, TYPING_EVENT_ID),
VIEWER_TYPING, agent.ScenePosition, new Vector3(NORMAL_DIST),
new TypingData {
Source = agent, StartTyping = false
}));
break;
case ChatType.Whisper:
m_scene.EntityChat(this, agent, WHISPER_DIST, message, channel, EntityChatType.Normal);
break;
case ChatType.Shout:
m_scene.EntityChat(this, agent, SHOUT_DIST, message, channel, EntityChatType.Normal);
break;
case ChatType.Normal:
default:
m_scene.EntityChat(this, agent, NORMAL_DIST, message, channel, EntityChatType.Normal);
break;
}
}
public void SaveToSLInventory(byte[] uploaddata, String nname, sbyte type, bool copy, bool mod, bool trans, bool pay, bool local, bool temp)
{
Console.WriteLine("Atempting to save to inv");
uploadID = UUID.Random();
AssetUploadRequestPacket asetUp = new AssetUploadRequestPacket();
asetUp.AssetBlock.StoreLocal = local;
asetUp.AssetBlock.Tempfile = temp;
asetUp.AssetBlock.TransactionID = uploadID;
specialID = UUID.Combine(uploadID, frame.SessionID);
asetUp.AssetBlock.Type = (sbyte)type;
asetUp.AssetBlock.AssetData = new byte[] { };
proxy.InjectPacket(asetUp, Direction.Outgoing);
this.curentUpload = new CurrentUploadType();
curentUpload.name = nname;
curentUpload.data = uploaddata;
curentUpload.temp = temp;
curentUpload.type = (sbyte)type;
curentUpload.local = local;
curentUpload.paid = pay;
grabbed = 0;
if (pay)
{
payMoney(10);
}
uint newperms = 0;
if (mod)
{
newperms |= (uint)PermissionMask.Modify;
}
if (copy)
{
newperms |= (uint)PermissionMask.Copy;
}
if (trans)
{
newperms |= (uint)PermissionMask.Transfer;
}
curentUpload.ownerMask = newperms;
//generate owner mask
}
private void SaveScriptState(LSLScriptInstance instance)
{
// Create a state file for this script
byte[] scriptState = instance.GetSerializedState();
m_assetClient.StoreAsset(new Asset
{
ContentType = "application/vnd.ll.lslstate",
CreatorID = instance.Host.OwnerID,
Data = scriptState,
ID = UUID.Combine(instance.ID, SCRIPT_STATE_MAGIC_ID),
Local = true,
Temporary = true,
CreationDate = DateTime.UtcNow
});
}
private void PresenceAddHandler(object sender, PresenceArgs e)
{
m_scene.ForEachPresence(
delegate(IScenePresence presence)
{
InterestListEvent eventData = new InterestListEvent
(
UUID.Combine(presence.ID, APPEARANCE_EVENT_ID),
AVATAR_APPEARANCE,
presence.ScenePosition,
presence.Scale,
presence
);
m_scene.CreateInterestListEventFor(e.Presence, eventData);
}
);
}
public void RequestUpdateInventoryItem(IClientAPI remoteClient, UUID transactionID,
InventoryItemBase item)
{
if (XferUploaders.ContainsKey(transactionID))
{
UUID assetID = UUID.Combine(transactionID, remoteClient.SecureSessionId);
AssetXferUploader uploader = XferUploaders[transactionID];
if (!uploader.Finished)
{
uploader.FinishedEvent = () =>
UpdateInventoryItemWithAsset(item, assetID, transactionID);
return;
}
UpdateInventoryItemWithAsset(item, assetID, transactionID);
}
}
public void llInstantMessage(IScriptInstance script, string user, string message)
{
if (m_messaging != null)
{
UUID toID;
UUID.TryParse(user, out toID);
// Keep a persistent messageID for all IMs from the host object to the target agent
UUID messageID = UUID.Combine(script.Host.ID, toID);
m_messaging.SendInstantMessage(messageID, toID, script.Host.Name,
script.Host.ScenePosition, script.Host.Scene.ID, false,
InstantMessageDialog.MessageFromObject, message, false, DateTime.UtcNow,
Utils.EmptyBytes);
}
script.AddSleepMS(2000);
}
public void RequestUpdateInventoryItem(IClientAPI remoteClient, UUID transactionID,
InventoryItemBase item)
{
if (XferUploaders.ContainsKey(transactionID))
{
CachedUserInfo userInfo = Manager.MyScene.CommsManager.UserProfileCacheService.GetUserDetails(
remoteClient.AgentId);
if (userInfo != null)
{
UUID assetID = UUID.Combine(transactionID, remoteClient.SecureSessionId);
AssetBase asset
= Manager.MyScene.CommsManager.AssetCache.GetAsset(
assetID, (item.AssetType == (int)AssetType.Texture ? true : false));
if (asset == null)
{
asset = GetTransactionAsset(transactionID);
}
if (asset != null && asset.FullID == assetID)
{
// Assets never get updated, new ones get created
asset.FullID = UUID.Random();
asset.Name = item.Name;
asset.Description = item.Description;
asset.Type = (sbyte)item.AssetType;
item.AssetID = asset.FullID;
Manager.MyScene.CommsManager.AssetCache.AddAsset(asset);
}
userInfo.UpdateItem(item);
}
else
{
m_log.ErrorFormat(
"[ASSET TRANSACTIONS]: Could not find user {0} for inventory item update",
remoteClient.AgentId);
}
}
}
private void ViewerEffectHandler(Packet packet, LLAgent agent)
{
ViewerEffectPacket effect = (ViewerEffectPacket)packet;
// Broadcast this viewer effect to everyone
for (int i = 0; i < effect.Effect.Length; i++)
{
ViewerEffectPacket.EffectBlock block = effect.Effect[i];
if (block.AgentID == agent.ID)
{
m_scene.CreateInterestListEvent(new InterestListEvent(UUID.Combine(block.ID, EFFECT_EVENT_ID), VIEWER_EFFECT, agent.ScenePosition, Vector3.One, block));
}
else
{
m_log.Warn("Skipping ViewerEffect block for " + block.AgentID + " from " + agent.ID + " (" + agent.Name + ")");
}
}
}
public void RequestUpdateInventoryItem(IClientAPI remoteClient, UUID transactionID,
InventoryItemBase item)
{
if (XferUploaders.ContainsKey(transactionID))
{
UUID assetID = UUID.Combine(transactionID, remoteClient.SecureSessionId);
AssetBase asset = Manager.MyScene.AssetService.Get(assetID.ToString());
if (asset == null)
{
asset = GetTransactionAsset(transactionID);
}
if (asset != null && asset.ID == assetID)
{
// Assets never get updated, new ones get created
asset.ID = UUID.Random();
asset.Name = item.Name;
asset.Description = item.Description;
asset.Type = (sbyte)item.AssetType;
item.AssetID = asset.ID;
asset.ID = Manager.MyScene.AssetService.Store(asset);
item.AssetID = asset.ID;
}
IMonitorModule monitorModule = Manager.MyScene.RequestModuleInterface <IMonitorModule>();
if (monitorModule != null)
{
INetworkMonitor networkMonitor =
(INetworkMonitor)
monitorModule.GetMonitor(Manager.MyScene.RegionInfo.RegionID.ToString(),
MonitorModuleHelper.NetworkMonitor);
networkMonitor.AddPendingUploads(-1);
}
IInventoryService invService = Manager.MyScene.InventoryService;
invService.UpdateItem(item);
}
}
private void AssetUploadRequestHandler(Packet packet, LLAgent agent)
{
AssetUploadRequestPacket request = (AssetUploadRequestPacket)packet;
UUID assetID = UUID.Combine(request.AssetBlock.TransactionID, agent.SecureSessionID);
AssetType type = (AssetType)request.AssetBlock.Type;
// Check if the agent is allowed to upload an asset
string uploadError;
if (m_permissions != null && !m_permissions.TryUploadOneAsset(agent, out uploadError))
{
m_scene.PresenceAlert(this, agent, uploadError);
return;
}
bool local = request.AssetBlock.StoreLocal | type == AssetType.LSLBytecode;
bool temp = request.AssetBlock.Tempfile;
// Check if the asset is small enough to fit in a single packet
if (request.AssetBlock.AssetData.Length != 0)
{
// Create a new asset from the completed upload
Asset asset = CreateAsset(type, assetID, DateTime.UtcNow, agent.ID, local, temp, request.AssetBlock.AssetData);
if (asset == null)
{
m_log.Warn("Failed to create asset from uploaded data");
return;
}
if (type != AssetType.LSLBytecode)
{
// Store the asset
m_log.DebugFormat("Storing uploaded asset {0} ({1})", assetID, asset.ContentType);
if (!m_assets.StoreAsset(asset))
{
m_log.ErrorFormat("Failed to store uploaded asset {0} ({1})", assetID, asset.ContentType);
}
}
else
{
m_log.Debug("Ignoring LSL bytecode upload " + assetID);
}
// Send a success response
AssetUploadCompletePacket complete = new AssetUploadCompletePacket();
complete.AssetBlock.Success = true;
complete.AssetBlock.Type = request.AssetBlock.Type;
complete.AssetBlock.UUID = assetID;
m_udp.SendPacket(agent, complete, ThrottleCategory.Task, false);
}
else
{
// Create a new (empty) asset for the upload
Asset asset = CreateAsset(type, assetID, DateTime.UtcNow, agent.ID, local, temp, null);
if (asset == null)
{
m_log.Warn("Failed to create asset from uploaded data");
return;
}
asset.Temporary = (request.AssetBlock.Tempfile | request.AssetBlock.StoreLocal);
ulong transferID = request.AssetBlock.TransactionID.GetULong();
// Prevent LSL bytecode transfers from colliding with LSL source transfers, which
// use a colliding UUID
if (type == AssetType.LSLBytecode)
{
++transferID;
}
RequestXferPacket xfer = new RequestXferPacket();
xfer.XferID.DeleteOnCompletion = request.AssetBlock.Tempfile;
xfer.XferID.FilePath = 0;
xfer.XferID.Filename = Utils.EmptyBytes;
xfer.XferID.ID = transferID;
xfer.XferID.UseBigPackets = false;
xfer.XferID.VFileID = asset.ID;
xfer.XferID.VFileType = request.AssetBlock.Type;
m_log.DebugFormat("Starting upload for {0} / {1} ({2})", assetID, transferID, asset.ContentType);
// Add this asset to the current upload list
lock (currentUploads)
currentUploads[transferID] = asset;
m_udp.SendPacket(agent, xfer, ThrottleCategory.Task, false);
}
}
/// <summary>
/// Builds a composited terrain texture given the region texture
/// and heightmap settings
/// </summary>
/// <param name="terrain">Terrain heightmap</param>
/// <param name="regionInfo">Region information including terrain texture parameters</param>
/// <returns>A 256x256 square RGB texture ready for rendering</returns>
/// <remarks>Based on the algorithm described at http://opensimulator.org/wiki/Terrain_Splatting
/// Note we create a 256x256 dimension texture even if the actual terrain is larger.
/// </remarks>
public static Bitmap Splat(ITerrainChannel terrain,
UUID[] textureIDs, float[] startHeights, float[] heightRanges,
Vector3d regionPosition, IAssetService assetService, bool textureTerrain)
{
Debug.Assert(textureIDs.Length == 4);
Debug.Assert(startHeights.Length == 4);
Debug.Assert(heightRanges.Length == 4);
Bitmap[] detailTexture = new Bitmap[4];
if (textureTerrain)
{
// Swap empty terrain textureIDs with default IDs
for (int i = 0; i < textureIDs.Length; i++)
{
if (textureIDs[i] == UUID.Zero)
{
textureIDs[i] = DEFAULT_TERRAIN_DETAIL[i];
}
}
#region Texture Fetching
if (assetService != null)
{
for (int i = 0; i < 4; i++)
{
AssetBase asset;
UUID cacheID = UUID.Combine(TERRAIN_CACHE_MAGIC, textureIDs[i]);
// Try to fetch a cached copy of the decoded/resized version of this texture
asset = assetService.GetCached(cacheID.ToString());
if (asset != null)
{
try
{
using (System.IO.MemoryStream stream = new System.IO.MemoryStream(asset.Data))
detailTexture[i] = (Bitmap)Image.FromStream(stream);
}
catch (Exception ex)
{
m_log.Warn("Failed to decode cached terrain texture " + cacheID +
" (textureID: " + textureIDs[i] + "): " + ex.Message);
}
}
if (detailTexture[i] == null)
{
// Try to fetch the original JPEG2000 texture, resize if needed, and cache as PNG
asset = assetService.Get(textureIDs[i].ToString());
if (asset != null)
{
// m_log.DebugFormat(
// "[TERRAIN SPLAT]: Got cached original JPEG2000 terrain texture {0} {1}", i, asset.ID);
try { detailTexture[i] = (Bitmap)CSJ2K.J2kImage.FromBytes(asset.Data); }
catch (Exception ex)
{
m_log.Warn("Failed to decode terrain texture " + asset.ID + ": " + ex.Message);
}
}
if (detailTexture[i] != null)
{
// Make sure this texture is the correct size, otherwise resize
if (detailTexture[i].Width != 256 || detailTexture[i].Height != 256)
{
using (Bitmap origBitmap = detailTexture[i])
{
detailTexture[i] = ImageUtils.ResizeImage(origBitmap, 256, 256);
}
}
// Save the decoded and resized texture to the cache
byte[] data;
using (System.IO.MemoryStream stream = new System.IO.MemoryStream())
{
detailTexture[i].Save(stream, ImageFormat.Png);
data = stream.ToArray();
}
// Cache a PNG copy of this terrain texture
AssetBase newAsset = new AssetBase
{
Data = data,
Description = "PNG",
Flags = AssetFlags.Collectable,
FullID = cacheID,
ID = cacheID.ToString(),
Local = true,
Name = String.Empty,
Temporary = true,
Type = (sbyte)AssetType.Unknown
};
newAsset.Metadata.ContentType = "image/png";
assetService.Store(newAsset);
}
}
}
}
#endregion Texture Fetching
}
// Fill in any missing textures with a solid color
for (int i = 0; i < 4; i++)
{
if (detailTexture[i] == null)
{
m_log.DebugFormat("{0} Missing terrain texture for layer {1}. Filling with solid default color",
LogHeader, i);
// Create a solid color texture for this layer
detailTexture[i] = new Bitmap(256, 256, PixelFormat.Format24bppRgb);
using (Graphics gfx = Graphics.FromImage(detailTexture[i]))
{
using (SolidBrush brush = new SolidBrush(DEFAULT_TERRAIN_COLOR[i]))
gfx.FillRectangle(brush, 0, 0, 256, 256);
}
}
else
{
if (detailTexture[i].Width != 256 || detailTexture[i].Height != 256)
{
detailTexture[i] = ResizeBitmap(detailTexture[i], 256, 256);
}
}
}
#region Layer Map
float[,] layermap = new float[256, 256];
// Scale difference between actual region size and the 256 texture being created
int xFactor = terrain.Width / 256;
int yFactor = terrain.Height / 256;
// Create 'layermap' where each value is the fractional layer number to place
// at that point. For instance, a value of 1.345 gives the blending of
// layer 1 and layer 2 for that point.
for (int y = 0; y < 256; y++)
{
for (int x = 0; x < 256; x++)
{
float height = (float)terrain[x * xFactor, y *yFactor];
float pctX = (float)x / 255f;
float pctY = (float)y / 255f;
// Use bilinear interpolation between the four corners of start height and
// height range to select the current values at this position
float startHeight = ImageUtils.Bilinear(
startHeights[0],
startHeights[2],
startHeights[1],
startHeights[3],
pctX, pctY);
startHeight = Utils.Clamp(startHeight, 0f, 255f);
float heightRange = ImageUtils.Bilinear(
heightRanges[0],
heightRanges[2],
heightRanges[1],
heightRanges[3],
pctX, pctY);
heightRange = Utils.Clamp(heightRange, 0f, 255f);
// Generate two frequencies of perlin noise based on our global position
// The magic values were taken from http://opensimulator.org/wiki/Terrain_Splatting
Vector3 vec = new Vector3
(
((float)regionPosition.X + (x * xFactor)) * 0.20319f,
((float)regionPosition.Y + (y * yFactor)) * 0.20319f,
height * 0.25f
);
float lowFreq = Perlin.noise2(vec.X * 0.222222f, vec.Y * 0.222222f) * 6.5f;
float highFreq = Perlin.turbulence2(vec.X, vec.Y, 2f) * 2.25f;
float noise = (lowFreq + highFreq) * 2f;
// Combine the current height, generated noise, start height, and height range parameters, then scale all of it
float layer = ((height + noise - startHeight) / heightRange) * 4f;
if (Single.IsNaN(layer))
{
layer = 0f;
}
layermap[x, y] = Utils.Clamp(layer, 0f, 3f);
}
}
#endregion Layer Map
#region Texture Compositing
Bitmap output = new Bitmap(256, 256, PixelFormat.Format24bppRgb);
BitmapData outputData = output.LockBits(new Rectangle(0, 0, 256, 256), ImageLockMode.WriteOnly, PixelFormat.Format24bppRgb);
// Unsafe work as we lock down the source textures for quicker access and access the
// pixel data directly
unsafe
{
// Get handles to all of the texture data arrays
BitmapData[] datas = new BitmapData[]
{
detailTexture[0].LockBits(new Rectangle(0, 0, 256, 256), ImageLockMode.ReadOnly, detailTexture[0].PixelFormat),
detailTexture[1].LockBits(new Rectangle(0, 0, 256, 256), ImageLockMode.ReadOnly, detailTexture[1].PixelFormat),
detailTexture[2].LockBits(new Rectangle(0, 0, 256, 256), ImageLockMode.ReadOnly, detailTexture[2].PixelFormat),
detailTexture[3].LockBits(new Rectangle(0, 0, 256, 256), ImageLockMode.ReadOnly, detailTexture[3].PixelFormat)
};
// Compute size of each pixel data (used to address into the pixel data array)
int[] comps = new int[]
{
(datas[0].PixelFormat == PixelFormat.Format32bppArgb) ? 4 : 3,
(datas[1].PixelFormat == PixelFormat.Format32bppArgb) ? 4 : 3,
(datas[2].PixelFormat == PixelFormat.Format32bppArgb) ? 4 : 3,
(datas[3].PixelFormat == PixelFormat.Format32bppArgb) ? 4 : 3
};
for (int y = 0; y < 256; y++)
{
for (int x = 0; x < 256; x++)
{
float layer = layermap[x, y];
// Select two textures
int l0 = (int)Math.Floor(layer);
int l1 = Math.Min(l0 + 1, 3);
byte *ptrA = (byte *)datas[l0].Scan0 + y * datas[l0].Stride + x * comps[l0];
byte *ptrB = (byte *)datas[l1].Scan0 + y * datas[l1].Stride + x * comps[l1];
byte *ptrO = (byte *)outputData.Scan0 + y * outputData.Stride + x * 3;
float aB = *(ptrA + 0);
float aG = *(ptrA + 1);
float aR = *(ptrA + 2);
float bB = *(ptrB + 0);
float bG = *(ptrB + 1);
float bR = *(ptrB + 2);
float layerDiff = layer - l0;
// Interpolate between the two selected textures
*(ptrO + 0) = (byte)Math.Floor(aB + layerDiff * (bB - aB));
*(ptrO + 1) = (byte)Math.Floor(aG + layerDiff * (bG - aG));
*(ptrO + 2) = (byte)Math.Floor(aR + layerDiff * (bR - aR));
}
}
for (int i = 0; i < detailTexture.Length; i++)
{
detailTexture[i].UnlockBits(datas[i]);
}
}
for (int i = 0; i < detailTexture.Length; i++)
{
if (detailTexture[i] != null)
{
detailTexture[i].Dispose();
}
}
output.UnlockBits(outputData);
// We generated the texture upside down, so flip it
output.RotateFlip(RotateFlipType.RotateNoneFlipY);
#endregion Texture Compositing
return(output);
}
public bool RequestUpdateInventoryItem(IClientAPI remoteClient, UUID transactionID, InventoryItemBase item)
{
AssetXferUploader uploader = GetTransactionUploader(transactionID);
if (uploader == null)
{
m_log.WarnFormat("[ASSET TRANSACTIONS]: Transaction {0} NOT FOUND (duplicate removed?) for inventory item update {1}", transactionID, item.Name);
return(false);
}
CachedUserInfo userInfo = Manager.MyScene.CommsManager.UserService.GetUserDetails(remoteClient.AgentId);
if (userInfo == null)
{
m_log.WarnFormat("[ASSET TRANSACTIONS]: Could not find user {0} for transaction {1} for inventory update {2}",
remoteClient.AgentId, transactionID, item.Name);
return(false);
}
// This may complete now if upload complete, or later when the upload completes.
uploader.TriggerWhenUploadComplete(delegate(AssetBase asset)
{
// This upload transaction is complete.
XferUploaders.Remove(transactionID);
UUID assetID = UUID.Combine(transactionID, remoteClient.SecureSessionId);
if (asset == null || asset.FullID != assetID)
{
m_log.ErrorFormat("[ASSETS]: RequestUpdateInventoryItem wrong asset ID or not found {0}", asset == null ? "null" : asset.FullID.ToString());
return;
}
// Assets never get updated, new ones get created
UUID oldID = asset.FullID;
asset.FullID = UUID.Random();
asset.Name = item.Name;
asset.Description = item.Description;
asset.Type = (sbyte)item.AssetType;
try
{
m_log.DebugFormat("[ASSETS]: RequestUpdateInventoryItem for transaction {0}, new asset {1} -> {2}", transactionID, oldID, asset.FullID);
Manager.MyScene.CommsManager.AssetCache.AddAsset(asset, AssetRequestInfo.GenericNetRequest());
}
catch (AssetServerException e)
{
remoteClient.SendAgentAlertMessage("Unable to upload asset. Please try again later.", false);
m_log.ErrorFormat("[ASSET TRANSACTIONS] Creation of asset failed {0}", e);
return;
}
item.AssetID = asset.FullID;
//wait for completion of the write to avoid reversion
ManualResetEventSlim waitEvent = new ManualResetEventSlim();
remoteClient.HandleWithInventoryWriteThread(() =>
{
// Update the asset ID
userInfo.UpdateItem(item);
waitEvent.Set();
});
waitEvent.Wait();
waitEvent.Dispose();
});
return(true); // userInfo item was updated
}
public bool UploadAssetData(bool storeLocal)
{
if (IsLocalScene)
{
ReplaceAll();
RezRequested = true;
NewID = OldID;
_NewItem = OldItem;
return(true);
}
if (CogbotHelpers.IsNullOrZero(NewID))
{
if (UseUploadKnown)
{
AssetUploaded.Reset();
if (assetType == AssetType.Notecard)
{
Inventory.RequestCreateItem(GetAssetUploadsFolder(), "" + OldID,
Description, assetType, UUID.Zero,
OpenMetaverse.InventoryType.Notecard,
PermissionMask.All, UpdateInvItem);
}
else if (assetType == AssetType.Gesture)
{
Inventory.RequestCreateItem(GetAssetUploadsFolder(), "" + OldID,
Description, assetType, UUID.Zero,
OpenMetaverse.InventoryType.Gesture,
PermissionMask.All, UpdateInvItem);
// (gesture.Sequence)
}
else if (assetType == AssetType.LSLText)
{
Inventory.RequestCreateItem(GetAssetUploadsFolder(), "" + OldID,
Description, assetType, UUID.Zero,
OpenMetaverse.InventoryType.LSL,
PermissionMask.All, UpdateInvItem);
}
else if (assetType == AssetType.Landmark)
{
var decodeME = new AssetLandmark(UUID.Zero, AssetData);
decodeME.Decode();
byte[] bytes = AssetData;
Inventory.RequestCreateItem(GetAssetUploadsFolder(), "" + OldID,
"RegionID:" + decodeME.RegionID + ",Postion" + decodeME.Position +
"," + DateTime.Now, assetType, UUID.Zero,
OpenMetaverse.InventoryType.Landmark,
PermissionMask.All, UpdateInvItem);
}
else if (assetType == AssetType.CallingCard)
{
var decodeME = new AssetCallingCard(UUID.Zero, AssetData);
decodeME.Decode();
byte[] bytes = AssetData;
Inventory.RequestCreateItem(GetAssetUploadsFolder(), "" + OldID,
"AvatarID:" + decodeME.AvatarID + "," + DateTime.Now,
assetType, UUID.Zero,
OpenMetaverse.InventoryType.CallingCard,
PermissionMask.All, UpdateInvItem);
}
else
{
Inventory.RequestCreateItemFromAsset(AssetData, "" + OldID, Description,
assetType, inventoryType,
GetAssetUploadsFolder(),
Permissions.FullPermissions,
InvItemCreated);
}
if (!AssetUploaded.WaitOne(10000))
{
return(false);
}
return(true);
}
NewID = UUID.Combine(OldID, Importing.Client.Self.SecureSessionID);
NewUUID2OBJECT[NewID] = this;
Importing.Client.Assets.RequestUploadKnown(NewID, assetType, AssetData, storeLocal, OldID);
RezRequested = true;
}
return(true);
}
private void AgentSetAppearanceHandler(Packet packet, LLAgent agent)
{
AgentSetAppearancePacket set = (AgentSetAppearancePacket)packet;
UpdateFlags updateFlags = 0;
LLUpdateFlags llUpdateFlags = 0;
m_log.Debug("Updating avatar appearance with " + set.VisualParam.Length + " visual params, texture=" +
(set.ObjectData.TextureEntry.Length > 1 ? "yes" : "no"));
//TODO: Store this for cached bake responses
for (int i = 0; i < set.WearableData.Length; i++)
{
//AvatarTextureIndex index = (AvatarTextureIndex)set.WearableData[i].TextureIndex;
//UUID cacheID = set.WearableData[i].CacheID;
//m_log.DebugFormat("WearableData: {0} is now {1}", index, cacheID);
}
// Create a TextureEntry
if (set.ObjectData.TextureEntry.Length > 1)
{
agent.TextureEntry = new Primitive.TextureEntry(set.ObjectData.TextureEntry, 0,
set.ObjectData.TextureEntry.Length);
llUpdateFlags |= LLUpdateFlags.Textures;
#region Bake Cache Check
for (int i = 0; i < BAKE_INDICES.Length; i++)
{
int j = BAKE_INDICES[i];
Primitive.TextureEntryFace face = agent.TextureEntry.FaceTextures[j];
if (face != null && face.TextureID != AppearanceManager.DEFAULT_AVATAR_TEXTURE)
{
m_log.Debug("Baked texture " + (AvatarTextureIndex)j + " set to " + face.TextureID);
}
}
#endregion Bake Cache Check
}
if (agent.Scale != set.AgentData.Size)
{
// This will be modified in UpdateHeight() if VisualParams are also sent
agent.Scale = set.AgentData.Size;
updateFlags |= UpdateFlags.Scale;
}
// Create a block of VisualParams
if (set.VisualParam.Length > 1)
{
byte[] visualParams = new byte[set.VisualParam.Length];
for (int i = 0; i < set.VisualParam.Length; i++)
{
visualParams[i] = set.VisualParam[i].ParamValue;
}
agent.VisualParams = visualParams;
agent.UpdateHeight();
// Create the event that generates an AvatarAppearance packet for this agent
m_scene.CreateInterestListEvent(new InterestListEvent
(
UUID.Combine(agent.ID, APPEARANCE_EVENT_ID),
AVATAR_APPEARANCE,
agent.ScenePosition,
agent.Scale,
agent
));
}
if (updateFlags != 0 || llUpdateFlags != 0)
{
m_scene.EntityAddOrUpdate(this, agent, updateFlags, (uint)llUpdateFlags);
}
}
private void PresenceAddHandler(object sender, PresenceArgs e)
{
// When an LLUDP agent logs in, send them current animation data for every presence in the sim
if (e.Presence is LLAgent)
{
m_scene.ForEachPresence(
delegate(IScenePresence presence)
{
m_scene.CreateInterestListEventFor(e.Presence, new InterestListEvent(UUID.Combine(presence.ID, ANIMATION_EVENT_ID), AVATAR_ANIMATION,
presence.ScenePosition, presence.Scale, presence));
}
);
}
}
private Color4 GetFaceColor(Primitive.TextureEntryFace face)
{
Color4 color;
if (face.TextureID == UUID.Zero)
{
return(face.RGBA);
}
if (!m_colors.TryGetValue(face.TextureID, out color))
{
bool fetched = false;
// Attempt to fetch the texture metadata
UUID metadataID = UUID.Combine(face.TextureID, TEXTURE_METADATA_MAGIC);
AssetBase metadata = m_scene.AssetService.GetCached(metadataID.ToString());
if (metadata != null)
{
OSDMap map = null;
try
{
map = OSDParser.Deserialize(metadata.Data) as OSDMap;
}
catch
{
}
if (map != null)
{
color = map["X-JPEG2000-RGBA"].AsColor4();
if (!(color.R == 0.5f && color.G == 0.5f && color.B == 0.5f && color.A == 1.0f))
{
//If we failed, don't save it
fetched = true;
}
}
map = null;
metadata = null;
}
if (!fetched)
{
// Fetch the texture, decode and get the average color,
// then save it to a temporary metadata asset
AssetBase textureAsset = m_scene.AssetService.Get(face.TextureID.ToString());
if (textureAsset != null)
{
int width, height;
color = GetAverageColor(textureAsset.ID, textureAsset.Data, m_scene, out width, out height);
if (!(color.R == 0.5f && color.G == 0.5f && color.B == 0.5f && color.A == 1.0f))
//If we failed, don't save it
{
OSDMap data = new OSDMap {
{ "X-JPEG2000-RGBA", OSD.FromColor4(color) }
};
metadata = new AssetBase
{
Data = Encoding.UTF8.GetBytes(OSDParser.SerializeJsonString(data)),
Description = "Avg Color-JPEG2000 texture " + face.TextureID.ToString(),
Flags = AssetFlags.Collectable | AssetFlags.Temperary | AssetFlags.Local,
ID = metadataID,
Name = String.Empty,
TypeAsset = AssetType.Simstate
// Make something up to get around OpenSim's myopic treatment of assets
};
metadata.ID = m_scene.AssetService.Store(metadata);
}
textureAsset = null;
}
else
{
color = new Color4(0.5f, 0.5f, 0.5f, 1.0f);
}
}
m_colors[face.TextureID] = color;
}
return(color * face.RGBA);
}
private UUID CreateTerrainEventID(int x, int y)
{
return(UUID.Combine(TERRAIN_EVENT_ID, new UUID(Utils.UIntsToLong((uint)x, (uint)y))));
}
private void UpdateTaskInventoryHandler(Packet packet, LLAgent agent)
{
UpdateTaskInventoryPacket update = (UpdateTaskInventoryPacket)packet;
LLInventoryTaskItem item;
ISceneEntity targetObj;
if (update.UpdateData.Key != 0)
{
m_log.Warn("Got an UpdateTaskInventory packet with a Key of " + update.UpdateData.Key);
return;
}
if (m_scene.TryGetEntity(update.UpdateData.LocalID, out targetObj) && targetObj is LLPrimitive)
{
LLPrimitive targetPrim = (LLPrimitive)targetObj;
// Updating an existing item in the task inventory
if (targetPrim.Inventory.TryGetItem(update.InventoryData.ItemID, out item))
{
if (update.InventoryData.TransactionID != UUID.Zero)
{
item.AssetID = UUID.Combine(update.InventoryData.TransactionID, agent.SecureSessionID);
}
item.Description = Utils.BytesToString(update.InventoryData.Description);
item.Flags = update.InventoryData.Flags;
item.GroupID = update.InventoryData.GroupID;
item.GroupOwned = update.InventoryData.GroupOwned;
item.Name = Utils.BytesToString(update.InventoryData.Name);
item.Permissions = new Permissions(update.InventoryData.BaseMask, update.InventoryData.EveryoneMask,
update.InventoryData.GroupMask, update.InventoryData.NextOwnerMask, update.InventoryData.OwnerMask);
item.SalePrice = update.InventoryData.SalePrice;
item.SaleType = (SaleType)update.InventoryData.SaleType;
targetPrim.Inventory.AddOrUpdateItem(item, true);
m_log.Debug(agent.Name + " updated task inventory item: " + item.Name);
SignalTaskInventoryChange(agent, targetPrim);
}
else if (m_inventory != null)
{
// Copying from agent inventory to task inventory
InventoryBase obj;
if (m_inventory.TryGetInventory(agent.ID, update.InventoryData.ItemID, out obj))
{
if (obj is InventoryItem)
{
// Create a new item in the task inventory
LLInventoryItem fromItem = new LLInventoryItem((InventoryItem)obj);
item = new LLInventoryTaskItem();
//item.ID will be assigned in AddOrUpdateItem
item.AssetID = fromItem.AssetID;
item.ContentType = fromItem.ContentType;
item.CreationDate = fromItem.CreationDate;
item.CreatorID = fromItem.CreatorID;
item.Description = fromItem.Description;
item.Flags = fromItem.ExtraData["Flags"].AsUInteger();
item.GrantedPermissions = 0;
item.GroupID = fromItem.ExtraData["group_id"].AsUUID();
item.GroupOwned = fromItem.ExtraData["group_owned"].AsBoolean();
item.Name = fromItem.Name;
item.OwnerID = agent.ID;
item.ParentID = update.InventoryData.FolderID;
item.ParentObjectID = targetPrim.ID;
item.PermissionGranter = UUID.Zero;
item.Permissions = fromItem.Permissions;
item.SalePrice = fromItem.ExtraData["sale_price"].AsInteger();
item.SaleType = (SaleType)fromItem.ExtraData["sale_type"].AsInteger();
targetPrim.Inventory.AddOrUpdateItem(item, false);
m_log.Debug(agent.Name + " created new task inventory item: " + item.Name);
SignalTaskInventoryChange(agent, targetPrim);
}
else
{
m_log.Error("[TODO] Handle dropping folders in task inventory");
}
}
else
{
m_log.Warn(agent.Name + " sent an UpdateTaskInventory packet requesting unknown " +
"(or failed to fetch) inventory item " + update.InventoryData.ItemID);
}
}
else
{
m_log.Warn(agent.Name + "attempted to copy inventory item " + update.InventoryData.ItemID +
" to task inventory, but we have no IInventoryClient");
}
}
else
{
m_log.Warn(agent.Name + " attempted to update task inventory for prim " + update.UpdateData.LocalID +
" that does not exist in this scene");
}
}
/// <summary>
/// Builds a composited terrain texture given the region texture
/// and heightmap settings
/// </summary>
/// <param name = "heightmap">Terrain heightmap</param>
/// <param name = "regionInfo">Region information including terrain texture parameters</param>
/// <returns>A composited 256x256 RGB texture ready for rendering</returns>
/// <remarks>
/// Based on the algorithm described at http://opensimulator.org/wiki/Terrain_Splatting
/// </remarks>
public static Bitmap Splat(ITerrainChannel heightmap, UUID[] textureIDs, float[] startHeights,
float[] heightRanges, Vector3d regionPosition, IAssetService assetService,
bool textureTerrain)
{
Debug.Assert(textureIDs.Length == 4);
Debug.Assert(startHeights.Length == 4);
Debug.Assert(heightRanges.Length == 4);
Bitmap[] detailTexture = new Bitmap[4];
if (textureTerrain)
{
// Swap empty terrain textureIDs with default IDs
for (int i = 0; i < textureIDs.Length; i++)
{
if (textureIDs[i] == UUID.Zero)
{
textureIDs[i] = DEFAULT_TERRAIN_DETAIL[i];
}
}
#region Texture Fetching
if (assetService != null)
{
for (int i = 0; i < 4; i++)
{
UUID cacheID = UUID.Combine(TERRAIN_CACHE_MAGIC, textureIDs[i]);
AssetBase asset = assetService.GetCached(cacheID.ToString());
if ((asset != null) && (asset.Data != null) && (asset.Data.Length != 0))
{
try
{
using (MemoryStream stream = new MemoryStream(asset.Data))
detailTexture[i] = (Bitmap)Image.FromStream(stream);
}
catch (Exception ex)
{
MainConsole.Instance.Warn("Failed to decode cached terrain texture " + cacheID +
" (textureID: " + textureIDs[i] + "): " + ex.Message);
}
}
if (detailTexture[i] == null)
{
// Try to fetch the original JPEG2000 texture, resize if needed, and cache as PNG
asset = assetService.Get(textureIDs[i].ToString());
if (asset != null)
{
try
{
detailTexture[i] = (Bitmap)J2kImage.FromBytes(asset.Data);
}
catch (Exception ex)
{
MainConsole.Instance.Warn("Failed to decode terrain texture " + asset.ID + ": " + ex.Message);
}
}
if (detailTexture[i] != null)
{
Bitmap bitmap = detailTexture[i];
// Make sure this texture is the correct size, otherwise resize
if (bitmap.Width != 256 || bitmap.Height != 256)
{
bitmap = ImageUtils.ResizeImage(bitmap, 256, 256);
}
// Save the decoded and resized texture to the cache
byte[] data;
using (MemoryStream stream = new MemoryStream())
{
bitmap.Save(stream, ImageFormat.Png);
data = stream.ToArray();
}
// Cache a PNG copy of this terrain texture
AssetBase newAsset = new AssetBase
{
Data = data,
Description = "PNG",
Flags =
AssetFlags.Collectable | AssetFlags.Temporary |
AssetFlags.Local,
ID = cacheID,
Name = String.Empty,
TypeString = "image/png"
};
newAsset.FillHash();
newAsset.ID = assetService.Store(newAsset);
}
}
}
}
#endregion Texture Fetching
}
// Fill in any missing textures with a solid color
for (int i = 0; i < 4; i++)
{
if (detailTexture[i] == null)
{
// Create a solid color texture for this layer
detailTexture[i] = new Bitmap(256, 256, PixelFormat.Format24bppRgb);
using (Graphics gfx = Graphics.FromImage(detailTexture[i]))
{
using (SolidBrush brush = new SolidBrush(DEFAULT_TERRAIN_COLOR[i]))
gfx.FillRectangle(brush, 0, 0, 256, 256);
}
}
else if (detailTexture[i].Width != 256 || detailTexture[i].Height != 256)
{
detailTexture[i] = ResizeBitmap(detailTexture[i], 256, 256);
}
}
#region Layer Map
float diff = (float)heightmap.Height / (float)Constants.RegionSize;
float[] layermap = new float[Constants.RegionSize * Constants.RegionSize];
for (float y = 0; y < heightmap.Height; y += diff)
{
for (float x = 0; x < heightmap.Height; x += diff)
{
float newX = x / diff;
float newY = y / diff;
float height = heightmap[(int)newX, (int)newY];
float pctX = newX / 255f;
float pctY = newY / 255f;
// Use bilinear interpolation between the four corners of start height and
// height range to select the current values at this position
float startHeight = ImageUtils.Bilinear(
startHeights[0],
startHeights[2],
startHeights[1],
startHeights[3],
pctX, pctY);
startHeight = Utils.Clamp(startHeight, 0f, 255f);
float heightRange = ImageUtils.Bilinear(
heightRanges[0],
heightRanges[2],
heightRanges[1],
heightRanges[3],
pctX, pctY);
heightRange = Utils.Clamp(heightRange, 0f, 255f);
// Generate two frequencies of perlin noise based on our global position
// The magic values were taken from http://opensimulator.org/wiki/Terrain_Splatting
Vector3 vec = new Vector3
(
((float)regionPosition.X + newX) * 0.20319f,
((float)regionPosition.Y + newY) * 0.20319f,
height * 0.25f
);
float lowFreq = Perlin.noise2(vec.X * 0.222222f, vec.Y * 0.222222f) * 6.5f;
float highFreq = Perlin.turbulence2(vec.X, vec.Y, 2f) * 2.25f;
float noise = (lowFreq + highFreq) * 2f;
// Combine the current height, generated noise, start height, and height range parameters, then scale all of it
float layer = ((height + noise - startHeight) / heightRange) * 4f;
if (Single.IsNaN(layer))
{
layer = 0f;
}
layermap[(int)(newY * Constants.RegionSize + newX)] = Utils.Clamp(layer, 0f, 3f);
}
}
#endregion Layer Map
#region Texture Compositing
Bitmap output = new Bitmap(256, 256, PixelFormat.Format24bppRgb);
BitmapData outputData = output.LockBits(new Rectangle(0, 0, 256, 256), ImageLockMode.WriteOnly,
PixelFormat.Format24bppRgb);
unsafe
{
// Get handles to all of the texture data arrays
BitmapData[] datas = new[]
{
detailTexture[0].LockBits(new Rectangle(0, 0, 256, 256),
ImageLockMode.ReadOnly,
detailTexture[0].PixelFormat),
detailTexture[1].LockBits(new Rectangle(0, 0, 256, 256),
ImageLockMode.ReadOnly,
detailTexture[1].PixelFormat),
detailTexture[2].LockBits(new Rectangle(0, 0, 256, 256),
ImageLockMode.ReadOnly,
detailTexture[2].PixelFormat),
detailTexture[3].LockBits(new Rectangle(0, 0, 256, 256),
ImageLockMode.ReadOnly,
detailTexture[3].PixelFormat)
};
int[] comps = new[]
{
(datas[0].PixelFormat == PixelFormat.Format32bppArgb) ? 4 : 3,
(datas[1].PixelFormat == PixelFormat.Format32bppArgb) ? 4 : 3,
(datas[2].PixelFormat == PixelFormat.Format32bppArgb) ? 4 : 3,
(datas[3].PixelFormat == PixelFormat.Format32bppArgb) ? 4 : 3
};
for (int y = 0; y < Constants.RegionSize; y++)
{
for (int x = 0; x < Constants.RegionSize; x++)
{
float layer = layermap[y * Constants.RegionSize + x];
// Select two textures
int l0 = (int)Math.Floor(layer);
int l1 = Math.Min(l0 + 1, 3);
byte *ptrA = (byte *)datas[l0].Scan0 + y * datas[l0].Stride + x * comps[l0];
byte *ptrB = (byte *)datas[l1].Scan0 + y * datas[l1].Stride + x * comps[l1];
byte *ptrO = (byte *)outputData.Scan0 + y * outputData.Stride + x * 3;
float aB = *(ptrA + 0);
float aG = *(ptrA + 1);
float aR = *(ptrA + 2);
float bB = *(ptrB + 0);
float bG = *(ptrB + 1);
float bR = *(ptrB + 2);
float layerDiff = layer - l0;
// Interpolate between the two selected textures
*(ptrO + 0) = (byte)Math.Floor(aB + layerDiff * (bB - aB));
*(ptrO + 1) = (byte)Math.Floor(aG + layerDiff * (bG - aG));
*(ptrO + 2) = (byte)Math.Floor(aR + layerDiff * (bR - aR));
}
}
for (int i = 0; i < 4; i++)
{
detailTexture[i].UnlockBits(datas[i]);
detailTexture[i].Dispose();
}
}
layermap = null;
output.UnlockBits(outputData);
// We generated the texture upside down, so flip it
output.RotateFlip(RotateFlipType.RotateNoneFlipY);
#endregion Texture Compositing
return(output);
}
private void RezScriptHandler(Packet packet, LLAgent agent)
{
RezScriptPacket rez = (RezScriptPacket)packet;
LLInventoryTaskItem scriptItem;
ISceneEntity targetObj;
if (m_scene.TryGetEntity(rez.UpdateBlock.ObjectLocalID, out targetObj) && targetObj is LLPrimitive)
{
LLPrimitive targetPrim = (LLPrimitive)targetObj;
if (rez.InventoryBlock.ItemID != UUID.Zero)
{
if (targetPrim.Inventory.TryGetItem(rez.InventoryBlock.ItemID, out scriptItem))
{
// Rezzing a script from task inventory
UUID assetID = UUID.Combine(rez.InventoryBlock.TransactionID, agent.SecureSessionID);
// Update task inventory with the new script source assetID
scriptItem.AssetID = assetID;
targetPrim.Inventory.AddOrUpdateItem(scriptItem, true);
// Run the script
if (m_scriptEngine != null)
{
m_scriptEngine.RezScript(scriptItem.ID, assetID, targetObj, 0);
}
else
{
m_log.Warn("Can't rez script in prim " + targetObj.ID + " without an ILSLScriptEngine");
}
SignalTaskInventoryChange(agent, targetPrim);
}
else if (m_inventory != null)
{
InventoryBase obj;
if (m_inventory.TryGetInventory(agent.ID, rez.InventoryBlock.ItemID, out obj) &&
obj is InventoryItem && ((InventoryItem)obj).ContentType == "application/vnd.ll.lsltext")
{
LLInventoryItem sourceItem = new LLInventoryItem((InventoryItem)obj);
// Rezzing a script from agent inventory
scriptItem = new LLInventoryTaskItem();
scriptItem.AssetID = sourceItem.AssetID;
scriptItem.ContentType = "application/vnd.ll.lsltext";
scriptItem.CreationDate = DateTime.UtcNow;
scriptItem.CreatorID = agent.ID;
scriptItem.Description = sourceItem.Description;
scriptItem.ID = UUID.Random();
scriptItem.Name = sourceItem.Name;
scriptItem.OwnerID = sourceItem.OwnerID;
scriptItem.ParentID = sourceItem.ParentID;
scriptItem.ParentObjectID = targetPrim.ID;
scriptItem.Flags = sourceItem.Flags;
scriptItem.GroupID = sourceItem.GroupID;
scriptItem.GroupOwned = sourceItem.GroupOwned;
scriptItem.Permissions = sourceItem.Permissions;
scriptItem.SalePrice = sourceItem.SalePrice;
scriptItem.SaleType = sourceItem.SaleType;
targetPrim.Inventory.AddOrUpdateItem(scriptItem, false);
m_log.Info(agent.Name + " copied agent inventory script to task inventory: " + scriptItem.Name);
// Run the script
if (m_scriptEngine != null)
{
m_scriptEngine.RezScript(scriptItem.ID, scriptItem.AssetID, targetObj, 0);
}
else
{
m_log.Warn("Can't rez script in prim " + targetObj.ID + " without an ILSLScriptEngine");
}
SignalTaskInventoryChange(agent, targetPrim);
}
else
{
m_log.Warn(agent.Name + " called RezScript for unknown inventory script " + rez.InventoryBlock.ItemID);
}
}
else
{
m_log.Warn(agent.Name + "attempted to copy (and rez) script " + rez.InventoryBlock.ItemID +
" to task inventory, but we have no IInventoryClient");
}
}
else
{
// Rezzing a new script
scriptItem = new LLInventoryTaskItem();
scriptItem.AssetID = DEFAULT_SCRIPT;
scriptItem.ContentType = "application/vnd.ll.lsltext";
scriptItem.CreationDate = DateTime.UtcNow;
scriptItem.CreatorID = agent.ID;
scriptItem.Description = String.Empty;
scriptItem.ID = UUID.Random();
scriptItem.Name = "New script";
scriptItem.OwnerID = agent.ID;
scriptItem.ParentID = rez.InventoryBlock.FolderID;
scriptItem.ParentObjectID = targetPrim.ID;
scriptItem.Permissions = GetDefaultPermissions();
scriptItem.SalePrice = 10;
scriptItem.SaleType = SaleType.Not;
targetPrim.Inventory.AddOrUpdateItem(scriptItem, false);
m_log.Info(agent.Name + " created new task inventory script: " + scriptItem.Name);
// Run the script
if (m_scriptEngine != null)
{
m_scriptEngine.RezScript(scriptItem.ID, scriptItem.AssetID, targetObj, 0);
}
else
{
m_log.Warn("Can't rez script in prim " + targetObj.ID + " without an ILSLScriptEngine");
}
SignalTaskInventoryChange(agent, targetPrim);
}
}
else
{
m_log.Warn(agent.Name + "sent a RezScript packet referencing unknown object " + rez.UpdateBlock.ObjectLocalID);
}
}
private Color4 GetFaceColor(Primitive.TextureEntryFace face)
{
Color4 color;
if (face.TextureID == UUID.Zero)
{
return(face.RGBA);
}
if (!m_colors.TryGetValue(face.TextureID, out color))
{
bool fetched = false;
// Attempt to fetch the texture metadata
UUID metadataID = UUID.Combine(face.TextureID, TEXTURE_METADATA_MAGIC);
AssetBase metadata = m_scene.AssetService.GetCached(metadataID.ToString());
if (metadata != null)
{
OSDMap map = null;
try { map = OSDParser.Deserialize(metadata.Data) as OSDMap; } catch { }
if (map != null)
{
color = map["X-JPEG2000-RGBA"].AsColor4();
fetched = true;
}
}
if (!fetched)
{
// Fetch the texture, decode and get the average color,
// then save it to a temporary metadata asset
AssetBase textureAsset = m_scene.AssetService.Get(face.TextureID.ToString());
if (textureAsset != null)
{
int width, height;
color = GetAverageColor(textureAsset.FullID, textureAsset.Data, out width, out height);
OSDMap data = new OSDMap {
{ "X-JPEG2000-RGBA", OSD.FromColor4(color) }
};
metadata = new AssetBase
{
Data = System.Text.Encoding.UTF8.GetBytes(OSDParser.SerializeJsonString(data)),
Description = "Metadata for JPEG2000 texture " + face.TextureID.ToString(),
Flags = AssetFlags.Collectable,
FullID = metadataID,
ID = metadataID.ToString(),
Local = true,
Temporary = true,
Name = String.Empty,
Type = (sbyte)AssetType.Unknown
};
m_scene.AssetService.Store(metadata);
}
else
{
color = new Color4(0.5f, 0.5f, 0.5f, 1.0f);
}
}
m_colors[face.TextureID] = color;
}
return(color * face.RGBA);
}
/// <summary>
/// Builds a composited terrain texture given the region texture
/// and heightmap settings
/// </summary>
/// <param name="heightmap">Terrain heightmap</param>
/// <param name="regionInfo">Region information including terrain texture parameters</param>
/// <returns>A composited 256x256 RGB texture ready for rendering</returns>
/// <remarks>Based on the algorithm described at http://opensimulator.org/wiki/Terrain_Splatting
/// </remarks>
public static Bitmap Splat(float[] heightmap, UUID[] textureIDs, float[] startHeights, float[] heightRanges, Vector3d regionPosition, IAssetClient assetClient)
{
Debug.Assert(heightmap.Length == 256 * 256);
Debug.Assert(textureIDs.Length == 4);
Debug.Assert(startHeights.Length == 4);
Debug.Assert(heightRanges.Length == 4);
// Swap empty terrain textureIDs with default IDs
for (int i = 0; i < textureIDs.Length; i++)
{
if (textureIDs[i] == UUID.Zero)
{
textureIDs[i] = DEFAULT_TERRAIN_DETAIL[i];
}
}
#region Texture Fetching
Bitmap[] detailTexture = new Bitmap[4];
if (assetClient != null)
{
for (int i = 0; i < 4; i++)
{
Asset asset;
UUID cacheID = UUID.Combine(TEXTURE_CACHE_MAGIC, textureIDs[i]);
// Try to fetch a cached copy of the decoded/resized version of this texture
if (assetClient.TryGetCachedAsset(cacheID, "image/png", out asset))
{
try
{
using (System.IO.MemoryStream stream = new System.IO.MemoryStream(asset.Data))
detailTexture[i] = (Bitmap)Image.FromStream(stream);
}
catch (Exception ex)
{
m_log.Warn("Failed to decode cached terrain texture " + cacheID +
" (textureID: " + textureIDs[i] + "): " + ex.Message);
}
}
if (detailTexture[i] == null)
{
// Try to fetch the original JPEG2000 texture, resize if needed, and cache as PNG
if (assetClient.TryGetAsset(textureIDs[i], "image/x-j2c", out asset))
{
try { detailTexture[i] = (Bitmap)CSJ2K.J2kImage.FromBytes(asset.Data); }
catch (Exception ex)
{
m_log.Warn("Failed to decode terrain texture " + asset.ID + ": " + ex.Message);
}
}
if (detailTexture[i] != null)
{
Bitmap bitmap = detailTexture[i];
// Make sure this texture is the correct size, otherwise resize
if (bitmap.Width != 256 || bitmap.Height != 256)
{
bitmap = Util.ResizeImage(bitmap, 256, 256);
}
// Save the decoded and resized texture to the cache
byte[] data;
using (System.IO.MemoryStream stream = new System.IO.MemoryStream())
{
bitmap.Save(stream, ImageFormat.Png);
data = stream.ToArray();
}
assetClient.StoreAsset(
new Asset
{
ContentType = "image/png",
CreationDate = DateTime.UtcNow,
CreatorID = UUID.Zero,
Data = data,
ID = cacheID,
Local = true,
Temporary = true
}
);
}
}
}
}
// Fill in any missing textures with a solid color
for (int i = 0; i < 4; i++)
{
if (detailTexture[i] == null)
{
// Create a solid color texture for this layer
detailTexture[i] = new Bitmap(256, 256, PixelFormat.Format24bppRgb);
using (Graphics gfx = Graphics.FromImage(detailTexture[i]))
{
using (SolidBrush brush = new SolidBrush(DEFAULT_TERRAIN_COLOR[i]))
gfx.FillRectangle(brush, 0, 0, 256, 256);
}
}
}
#endregion Texture Fetching
#region Layer Map
float[] layermap = new float[256 * 256];
for (int y = 0; y < 256; y++)
{
for (int x = 0; x < 256; x++)
{
float height = heightmap[y * 256 + x];
float pctX = (float)x / 255f;
float pctY = (float)y / 255f;
// Use bilinear interpolation between the four corners of start height and
// height range to select the current values at this position
float startHeight = Util.Bilinear(
startHeights[0],
startHeights[2],
startHeights[1],
startHeights[3],
pctX, pctY);
startHeight = Utils.Clamp(startHeight, 0f, 255f);
float heightRange = Util.Bilinear(
heightRanges[0],
heightRanges[2],
heightRanges[1],
heightRanges[3],
pctX, pctY);
heightRange = Utils.Clamp(heightRange, 0f, 255f);
// Generate two frequencies of perlin noise based on our global position
// The magic values were taken from http://opensimulator.org/wiki/Terrain_Splatting
Vector3 vec = new Vector3
(
((float)regionPosition.X + x) * 0.20319f,
((float)regionPosition.Y + y) * 0.20319f,
height * 0.25f
);
float lowFreq = Perlin.noise2(vec.X * 0.222222f, vec.Y * 0.222222f) * 6.5f;
float highFreq = Perlin.turbulence2(vec.X, vec.Y, 2f) * 2.25f;
float noise = (lowFreq + highFreq) * 2f;
// Combine the current height, generated noise, start height, and height range parameters, then scale all of it
float layer = ((height + noise - startHeight) / heightRange) * 4f;
if (Single.IsNaN(layer))
{
layer = 0f;
}
layermap[y * 256 + x] = Utils.Clamp(layer, 0f, 3f);
}
}
#endregion Layer Map
#region Texture Compositing
Bitmap output = new Bitmap(256, 256, PixelFormat.Format24bppRgb);
BitmapData outputData = output.LockBits(new Rectangle(0, 0, 256, 256), ImageLockMode.WriteOnly, PixelFormat.Format24bppRgb);
unsafe
{
// Get handles to all of the texture data arrays
BitmapData[] datas = new BitmapData[]
{
detailTexture[0].LockBits(new Rectangle(0, 0, 256, 256), ImageLockMode.ReadOnly, detailTexture[0].PixelFormat),
detailTexture[1].LockBits(new Rectangle(0, 0, 256, 256), ImageLockMode.ReadOnly, detailTexture[1].PixelFormat),
detailTexture[2].LockBits(new Rectangle(0, 0, 256, 256), ImageLockMode.ReadOnly, detailTexture[2].PixelFormat),
detailTexture[3].LockBits(new Rectangle(0, 0, 256, 256), ImageLockMode.ReadOnly, detailTexture[3].PixelFormat)
};
int[] comps = new int[]
{
(datas[0].PixelFormat == PixelFormat.Format32bppArgb) ? 4 : 3,
(datas[1].PixelFormat == PixelFormat.Format32bppArgb) ? 4 : 3,
(datas[2].PixelFormat == PixelFormat.Format32bppArgb) ? 4 : 3,
(datas[3].PixelFormat == PixelFormat.Format32bppArgb) ? 4 : 3
};
for (int y = 0; y < 256; y++)
{
for (int x = 0; x < 256; x++)
{
float layer = layermap[y * 256 + x];
// Select two textures
int l0 = (int)Math.Floor(layer);
int l1 = Math.Min(l0 + 1, 3);
byte *ptrA = (byte *)datas[l0].Scan0 + y * datas[l0].Stride + x * comps[l0];
byte *ptrB = (byte *)datas[l1].Scan0 + y * datas[l1].Stride + x * comps[l1];
byte *ptrO = (byte *)outputData.Scan0 + y * outputData.Stride + x * 3;
float aB = *(ptrA + 0);
float aG = *(ptrA + 1);
float aR = *(ptrA + 2);
float bB = *(ptrB + 0);
float bG = *(ptrB + 1);
float bR = *(ptrB + 2);
float layerDiff = layer - l0;
// Interpolate between the two selected textures
*(ptrO + 0) = (byte)Math.Floor(aB + layerDiff * (bB - aB));
*(ptrO + 1) = (byte)Math.Floor(aG + layerDiff * (bG - aG));
*(ptrO + 2) = (byte)Math.Floor(aR + layerDiff * (bR - aR));
}
}
for (int i = 0; i < 4; i++)
{
detailTexture[i].UnlockBits(datas[i]);
}
}
output.UnlockBits(outputData);
// We generated the texture upside down, so flip it
output.RotateFlip(RotateFlipType.RotateNoneFlipY);
#endregion Texture Compositing
return(output);
}