public UUID SaveBitmap(Bitmap data, bool lossless, bool temporary)
{
AssetBase asset = new AssetBase(UUID.Random(), "MRMDynamicImage", AssetType.Texture,
m_scene.RegionInfo.RegionID)
{
Data = OpenJPEG.EncodeFromImage(data, lossless),
Description = "MRM Image",
Flags = (temporary) ? AssetFlags.Temperary : 0
};
asset.FillHash();
asset.ID = m_scene.AssetService.Store(asset);
return asset.ID;
}
/// <summary>
/// Update what the avatar is wearing using an item from their inventory.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public void AvatarIsWearing(IClientAPI client, AvatarWearingArgs e)
{
IScenePresence sp = m_scene.GetScenePresence(client.AgentId);
if (sp == null)
{
m_log.WarnFormat("[AvatarFactory]: AvatarIsWearing unable to find presence for {0}", client.AgentId);
return;
}
m_log.DebugFormat("[AvatarFactory]: AvatarIsWearing called for {0}", client.AgentId);
// operate on a copy of the appearance so we don't have to lock anything
IAvatarAppearanceModule appearance = sp.RequestModuleInterface<IAvatarAppearanceModule> ();
AvatarAppearance avatAppearance = new AvatarAppearance (appearance.Appearance, false);
IOpenRegionSettingsModule module = m_scene.RequestModuleInterface<IOpenRegionSettingsModule> ();
bool NeedsRebake = false;
if (module != null && module.EnableTeenMode)
{
foreach (AvatarWearingArgs.Wearable wear in e.NowWearing)
{
if (wear.Type == 10 & wear.ItemID == UUID.Zero && module.DefaultUnderpants != UUID.Zero)
{
NeedsRebake = true;
wear.ItemID = module.DefaultUnderpants;
InventoryItemBase item = new InventoryItemBase(UUID.Random());
item.InvType = (int)InventoryType.Wearable;
item.AssetType = (int)AssetType.Clothing;
item.Name = "Default Underpants";
item.Folder = m_scene.InventoryService.GetFolderForType(client.AgentId, InventoryType.Wearable, AssetType.Clothing).ID;
item.Owner = client.AgentId;
item.CurrentPermissions = 0;//Locked
item.CreatorId = UUID.Zero.ToString();
item.AssetID = module.DefaultUnderpants;
client.SendInventoryItemCreateUpdate(item, 0);
}
else if (wear.Type == 10 & wear.ItemID == UUID.Zero)
{
NeedsRebake = true;
InventoryItemBase item = new InventoryItemBase (UUID.Random ());
item.InvType = (int)InventoryType.Wearable;
item.AssetType = (int)AssetType.Clothing;
item.Name = "Default Underpants";
item.Folder = m_scene.InventoryService.GetFolderForType (client.AgentId, InventoryType.Wearable, AssetType.Clothing).ID;
item.Owner = client.AgentId;
item.CurrentPermissions = 0;//Locked
if (m_underPantsUUID == UUID.Zero)
{
m_underPantsUUID = UUID.Random ();
AssetBase asset = new AssetBase(m_underPantsUUID, "Default Underpants", AssetType.Clothing,
UUID.Zero) {Data = Utils.StringToBytes(m_defaultUnderPants)};
asset.FillHash();
asset.ID = m_scene.AssetService.Store(asset);
m_underPantsUUID = asset.ID;
}
item.CreatorId = UUID.Zero.ToString ();
item.AssetID = m_underPantsUUID;
m_scene.InventoryService.AddItem(item);
client.SendInventoryItemCreateUpdate(item, 0);
wear.ItemID = item.ID;
}
if (wear.Type == 11 && wear.ItemID == UUID.Zero && module.DefaultUndershirt != UUID.Zero)
{
NeedsRebake = true;
wear.ItemID = module.DefaultUndershirt;
InventoryItemBase item = new InventoryItemBase(UUID.Random());
item.InvType = (int)InventoryType.Wearable;
item.AssetType = (int)AssetType.Clothing;
item.Name = "Default Undershirt";
item.Folder = m_scene.InventoryService.GetFolderForType(client.AgentId, InventoryType.Wearable, AssetType.Clothing).ID;
item.Owner = client.AgentId;
item.CurrentPermissions = 0;//Locked
item.CreatorId = UUID.Zero.ToString();
item.AssetID = module.DefaultUndershirt;
client.SendInventoryItemCreateUpdate(item, 0);
}
else if (wear.Type == 11 & wear.ItemID == UUID.Zero)
{
NeedsRebake = true;
InventoryItemBase item = new InventoryItemBase (UUID.Random());
item.InvType = (int)InventoryType.Wearable;
item.AssetType = (int)AssetType.Clothing;
item.Name = "Default Undershirt";
item.Folder = m_scene.InventoryService.GetFolderForType (client.AgentId, InventoryType.Wearable, AssetType.Clothing).ID;
item.Owner = client.AgentId;
item.CurrentPermissions = 0;//Locked
if (m_underShirtUUID == UUID.Zero)
{
m_underShirtUUID = UUID.Random ();
AssetBase asset = new AssetBase(m_underShirtUUID, "Default Undershirt", AssetType.Clothing,
UUID.Zero) {Data = Utils.StringToBytes(m_defaultUnderShirt)};
asset.FillHash();
asset.ID = m_scene.AssetService.Store(asset);
m_underShirtUUID = asset.ID;
}
item.CreatorId = UUID.Zero.ToString ();
item.AssetID = m_underShirtUUID;
m_scene.InventoryService.AddItem(item);
client.SendInventoryItemCreateUpdate(item, 0);
wear.ItemID = item.ID;
}
}
}
foreach (AvatarWearingArgs.Wearable wear in e.NowWearing)
{
if (wear.Type < AvatarWearable.MAX_WEARABLES)
{
/*if (incomingLinks.ContainsKey (wear.ItemID))
{
wear.ItemID = incomingLinks[wear.ItemID];
}*/
avatAppearance.Wearables[wear.Type].Add (wear.ItemID, UUID.Zero);
}
}
avatAppearance.GetAssetsFrom (appearance.Appearance);
// This could take awhile since it needs to pull inventory
SetAppearanceAssets(sp.UUID, ref avatAppearance);
// could get fancier with the locks here, but in the spirit of "last write wins"
// this should work correctly, also, we don't need to send the appearance here
// since the "iswearing" will trigger a new set of visual param and baked texture changes
// when those complete, the new appearance will be sent
appearance.Appearance = avatAppearance;
if (NeedsRebake)
{
//Tell the client about the new things it is wearing
sp.ControllingClient.SendWearables (appearance.Appearance.Wearables, appearance.Appearance.Serial);
//Then forcefully tell it to rebake
for (int i = 0; i < appearance.Appearance.Texture.FaceTextures.Length; i++)
{
Primitive.TextureEntryFace face = (appearance.Appearance.Texture.FaceTextures[i]);
if (face != null)
sp.ControllingClient.SendRebakeAvatarTextures (face.TextureID);
}
}
QueueAppearanceSave(sp.UUID);
//Send the wearables HERE so that the client knows what it is wearing
//sp.ControllingClient.SendWearables(sp.Appearance.Wearables, sp.Appearance.Serial);
//Do not save or send the appearance! The client loops back and sends a bunch of SetAppearance
// (handled above) and that takes care of it
}
/// <summary>
/// This method is called if a given model avatar name can not be found. If the external
/// file has already been loaded once, then control returns immediately. If not, then it
/// looks for a default appearance file. This file contains XML definitions of zero or more named
/// avatars, each avatar can specify zero or more "outfits". Each outfit is a collection
/// of items that together, define a particular ensemble for the avatar. Each avatar should
/// indicate which outfit is the default, and this outfit will be automatically worn. The
/// other outfits are provided to allow "real" avatars a way to easily change their outfits.
/// </summary>
private bool CreateDefaultAvatars()
{
// Only load once
if (m_defaultAvatarsLoaded)
{
return false;
}
m_log.DebugFormat("[RADMIN] Creating default avatar entries");
m_defaultAvatarsLoaded = true;
// Load processing starts here...
try
{
string defaultAppearanceFileName = null;
//m_config may be null if RemoteAdmin configuration secition is missing or disabled in Aurora.ini
if (m_config != null)
{
defaultAppearanceFileName = m_config.GetString("default_appearance", "default_appearance.xml");
}
if (File.Exists(defaultAppearanceFileName))
{
XmlDocument doc = new XmlDocument();
string name = "*unknown*";
string email = "anon@anon";
uint regionXLocation = 1000;
uint regionYLocation = 1000;
string password = UUID.Random().ToString(); // No requirement to sign-in.
UUID ID = UUID.Zero;
AvatarAppearance avatarAppearance;
XmlNodeList avatars;
XmlNodeList assets;
XmlNode perms = null;
bool include = false;
bool select = false;
IScene scene = manager.CurrentOrFirstScene;
IInventoryService inventoryService = scene.InventoryService;
IAssetService assetService = scene.AssetService;
doc.LoadXml(File.ReadAllText(defaultAppearanceFileName));
// Load up any included assets. Duplicates will be ignored
assets = doc.GetElementsByTagName("RequiredAsset");
foreach (XmlNode assetNode in assets)
{
AssetBase asset = new AssetBase(UUID.Random(), GetStringAttribute(assetNode, "name", ""),
(AssetType)
SByte.Parse(GetStringAttribute(assetNode, "type", "")),
UUID.Zero)
{
Description = GetStringAttribute(assetNode, "desc", ""),
Data = Convert.FromBase64String(assetNode.InnerText),
Flags = ((Boolean.Parse(GetStringAttribute(assetNode, "local", "")))
? AssetFlags.Local
: AssetFlags.Normal) |
((Boolean.Parse(GetStringAttribute(assetNode, "temporary", "")))
? AssetFlags.Temperary
: AssetFlags.Normal)
};
asset.FillHash();
asset.ID = assetService.Store(asset);
}
avatars = doc.GetElementsByTagName("Avatar");
// The document may contain multiple avatars
foreach (XmlElement avatar in avatars)
{
m_log.DebugFormat("[RADMIN] Loading appearance for {0}, gender = {1}",
GetStringAttribute(avatar,"name","?"), GetStringAttribute(avatar,"gender","?"));
// Create the user identified by the avatar entry
try
{
// Only the name value is mandatory
name = GetStringAttribute(avatar,"name",name);
email = GetStringAttribute(avatar,"email",email);
regionXLocation = GetUnsignedAttribute(avatar,"regx",regionXLocation);
regionYLocation = GetUnsignedAttribute(avatar,"regy",regionYLocation);
password = GetStringAttribute(avatar,"password",password);
string[] names = name.Split();
UUID scopeID = scene.RegionInfo.ScopeID;
UserAccount account = scene.UserAccountService.GetUserAccount(scopeID, names[0], names[1]);
if (null == account)
{
account = CreateUser(scopeID, names[0], names[1], password, email);
if (null == account)
{
m_log.ErrorFormat("[RADMIN] Avatar {0} {1} was not created", names[0], names[1]);
return false;
}
}
// Set home position
GridRegion home = scene.GridService.GetRegionByPosition(scopeID,
(int)(regionXLocation * Constants.RegionSize), (int)(regionYLocation * Constants.RegionSize));
if (null == home) {
m_log.WarnFormat("[RADMIN]: Unable to set home region for newly created user account {0} {1}", names[0], names[1]);
} else {
IAgentInfoService agentInfoService = scene.RequestModuleInterface<IAgentInfoService>();
agentInfoService.SetHomePosition(account.PrincipalID.ToString(), home.RegionID, new Vector3(128, 128, 0), new Vector3(0, 1, 0));
m_log.DebugFormat("[RADMIN]: Set home region {0} for updated user account {1} {2}", home.RegionID, names[0], names[1]);
}
ID = account.PrincipalID;
m_log.DebugFormat("[RADMIN] User {0}[{1}] created or retrieved", name, ID);
include = true;
}
catch (Exception e)
{
m_log.DebugFormat("[RADMIN] Error creating user {0} : {1}", name, e.Message);
include = false;
}
// OK, User has been created OK, now we can install the inventory.
// First retrieve the current inventory (the user may already exist)
// Note that althought he inventory is retrieved, the hierarchy has
// not been interpreted at all.
if (include)
{
// Setup for appearance processing
AvatarData avatarData = scene.AvatarService.GetAvatar(ID);
if (avatarData != null)
avatarAppearance = avatarData.ToAvatarAppearance(ID);
else
avatarAppearance = new AvatarAppearance();
AvatarWearable[] wearables = avatarAppearance.Wearables;
for (int i=0; i<wearables.Length; i++)
{
wearables[i] = new AvatarWearable();
}
try
{
// m_log.DebugFormat("[RADMIN] {0} folders, {1} items in inventory",
// uic.folders.Count, uic.items.Count);
InventoryFolderBase clothingFolder = inventoryService.GetFolderForType (ID, InventoryType.Wearable, AssetType.Clothing);
// This should *never* be the case
if (clothingFolder == null || clothingFolder.Type != (short)AssetType.Clothing)
{
clothingFolder = new InventoryFolderBase();
clothingFolder.ID = UUID.Random();
clothingFolder.Name = "Clothing";
clothingFolder.Owner = ID;
clothingFolder.Type = (short)AssetType.Clothing;
clothingFolder.ParentID = inventoryService.GetRootFolder(ID).ID;
clothingFolder.Version = 1;
inventoryService.AddFolder(clothingFolder); // store base record
m_log.ErrorFormat("[RADMIN] Created clothing folder for {0}/{1}", name, ID);
}
// OK, now we have an inventory for the user, read in the outfits from the
// default appearance XMl file.
XmlNodeList outfits = avatar.GetElementsByTagName("Ensemble");
InventoryFolderBase extraFolder;
string outfitName;
UUID assetid;
foreach (XmlElement outfit in outfits)
{
m_log.DebugFormat("[RADMIN] Loading outfit {0} for {1}",
GetStringAttribute(outfit,"name","?"), GetStringAttribute(avatar,"name","?"));
outfitName = GetStringAttribute(outfit,"name","");
select = (GetStringAttribute(outfit,"default","no") == "yes");
// If the folder already exists, re-use it. The defaults may
// change over time. Augment only.
List<InventoryFolderBase> folders = inventoryService.GetFolderContent(ID, clothingFolder.ID).Folders;
extraFolder = null;
foreach (InventoryFolderBase folder in folders)
{
if (folder.Name == outfitName)
{
extraFolder = folder;
break;
}
}
// Otherwise, we must create the folder.
if (extraFolder == null)
{
m_log.DebugFormat("[RADMIN] Creating outfit folder {0} for {1}", outfitName, name);
extraFolder = new InventoryFolderBase();
extraFolder.ID = UUID.Random();
extraFolder.Name = outfitName;
extraFolder.Owner = ID;
extraFolder.Type = (short)AssetType.Clothing;
extraFolder.Version = 1;
extraFolder.ParentID = clothingFolder.ID;
inventoryService.AddFolder(extraFolder);
m_log.DebugFormat("[RADMIN] Adding outfile folder {0} to folder {1}", extraFolder.ID, clothingFolder.ID);
}
// Now get the pieces that make up the outfit
XmlNodeList items = outfit.GetElementsByTagName("Item");
foreach (XmlElement item in items)
{
assetid = UUID.Zero;
XmlNodeList children = item.ChildNodes;
foreach (XmlNode child in children)
{
switch (child.Name)
{
case "Permissions" :
m_log.DebugFormat("[RADMIN] Permissions specified");
perms = child;
break;
case "Asset" :
assetid = new UUID(child.InnerText);
break;
}
}
InventoryItemBase inventoryItem = null;
// Check if asset is in inventory already
inventoryItem = null;
List<InventoryItemBase> inventoryItems = inventoryService.GetFolderContent(ID, extraFolder.ID).Items;
foreach (InventoryItemBase listItem in inventoryItems)
{
if (listItem.AssetID == assetid)
{
inventoryItem = listItem;
break;
}
}
// Create inventory item
if (inventoryItem == null)
{
inventoryItem = new InventoryItemBase(UUID.Random(), ID);
inventoryItem.Name = GetStringAttribute(item,"name","");
inventoryItem.Description = GetStringAttribute(item,"desc","");
inventoryItem.InvType = GetIntegerAttribute(item,"invtype",-1);
inventoryItem.CreatorId = GetStringAttribute(item,"creatorid","");
inventoryItem.CreatorIdAsUuid = (UUID)GetStringAttribute(item,"creatoruuid","");
inventoryItem.NextPermissions = GetUnsignedAttribute(perms,"next",0x7fffffff);
inventoryItem.CurrentPermissions = GetUnsignedAttribute(perms,"current",0x7fffffff);
inventoryItem.BasePermissions = GetUnsignedAttribute(perms,"base",0x7fffffff);
inventoryItem.EveryOnePermissions = GetUnsignedAttribute(perms,"everyone",0x7fffffff);
inventoryItem.GroupPermissions = GetUnsignedAttribute(perms,"group",0x7fffffff);
inventoryItem.AssetType = GetIntegerAttribute(item,"assettype",-1);
inventoryItem.AssetID = assetid; // associated asset
inventoryItem.GroupID = (UUID)GetStringAttribute(item,"groupid","");
inventoryItem.GroupOwned = (GetStringAttribute(item,"groupowned","false") == "true");
inventoryItem.SalePrice = GetIntegerAttribute(item,"saleprice",0);
inventoryItem.SaleType = (byte)GetIntegerAttribute(item,"saletype",0);
inventoryItem.Flags = GetUnsignedAttribute(item,"flags",0);
inventoryItem.CreationDate = GetIntegerAttribute(item,"creationdate",Util.UnixTimeSinceEpoch());
inventoryItem.Folder = extraFolder.ID; // Parent folder
ILLClientInventory inventoryModule = manager.CurrentOrFirstScene.RequestModuleInterface<ILLClientInventory>();
if (inventoryModule != null)
inventoryModule.AddInventoryItem(inventoryItem);
m_log.DebugFormat("[RADMIN] Added item {0} to folder {1}", inventoryItem.ID, extraFolder.ID);
}
// Attach item, if attachpoint is specified
int attachpoint = GetIntegerAttribute(item,"attachpoint",0);
if (attachpoint != 0)
{
avatarAppearance.SetAttachment(attachpoint, inventoryItem.ID, inventoryItem.AssetID);
m_log.DebugFormat("[RADMIN] Attached {0}", inventoryItem.ID);
}
// Record whether or not the item is to be initially worn
try
{
if (select && (GetStringAttribute(item, "wear", "false") == "true"))
{
avatarAppearance.Wearables[inventoryItem.Flags].Wear(inventoryItem.ID, inventoryItem.AssetID);
}
}
catch (Exception e)
{
m_log.WarnFormat("[RADMIN] Error wearing item {0} : {1}", inventoryItem.ID, e.Message);
}
} // foreach item in outfit
m_log.DebugFormat("[RADMIN] Outfit {0} load completed", outfitName);
} // foreach outfit
m_log.DebugFormat("[RADMIN] Inventory update complete for {0}", name);
AvatarData avatarData2 = new AvatarData(avatarAppearance);
scene.AvatarService.SetAvatar(ID, avatarData2);
}
catch (Exception e)
{
m_log.WarnFormat("[RADMIN] Inventory processing incomplete for user {0} : {1}",
name, e.Message);
}
} // End of include
}
m_log.DebugFormat("[RADMIN] Default avatar loading complete");
}
else
{
m_log.DebugFormat("[RADMIN] No default avatar information available");
return false;
}
}
catch (Exception e)
{
m_log.WarnFormat("[RADMIN] Exception whilst loading default avatars ; {0}", e.Message);
return false;
}
return true;
}
/// <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++)
{
AssetBase asset;
UUID cacheID = UUID.Combine (TERRAIN_CACHE_MAGIC, textureIDs[i]);
// The asset service does this check as well, so I don't think we need to do this.
asset = assetService.GetCached (cacheID.ToString ());
if ((asset != null) && (asset.Data != null) && (asset.Data.Length != 0))
{
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)
{
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 = ImageUtils.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 ();
}
// Cache a PNG copy of this terrain texture
AssetBase newAsset = new AssetBase
{
Data = data,
Description = "PNG",
Flags = AssetFlags.Collectable | AssetFlags.Temperary | 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
int diff = (int)heightmap.Height / Constants.RegionSize;
float[] layermap = new float[Constants.RegionSize * Constants.RegionSize];
for (int y = 0; y < heightmap.Height; y += diff)
{
for (int x = 0; x < heightmap.Height; x += diff)
{
int newX = x / diff;
int newY = y / diff;
float height = heightmap[newX, newY];
float pctX = (float)newX / 255f;
float pctY = (float)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[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 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 < 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;
}