/// <summary>
/// This function is called when RetrieveCampaignObject("VDB_", ..)
/// is invoked.
/// </summary>
/// <param name="sender">Unused.</param>
/// <param name="e">Supplies event data.</param>
public static void CampaignDatabase_RetrieveItemModifyEvent(object sender, CampaignDatabase.RetrieveCampaignDatabaseEventArgs e)
{
if (!e.CampaignName.StartsWith("ItMod"))
return;
e.GFF = new byte[0];
if (ALFA.Shared.Modules.InfoStore.ModifiedGff.Keys.Contains(e.VarName))
{
using (MemoryStream s = new MemoryStream())
{
ALFA.Shared.Modules.InfoStore.ModifiedGff[e.VarName].Save(s);
e.GFF = s.ToArray();
}
}
}
/// <summary>
/// This function is called when StoreCampaignObject("VDB_", ..)
/// is invoked.
/// </summary>
/// <param name="sender">Unused.</param>
/// <param name="e">Supplies event data.</param>
public static void CampaignDatabase_StoreItemModifyEvent(object sender, CampaignDatabase.StoreCampaignDatabaseEventArgs e)
{
if (!e.CampaignName.StartsWith("ItMod"))
return;
if (ALFA.Shared.Modules.InfoStore.ModifiedGff.Keys.Contains(e.VarName))
{
ALFA.Shared.Modules.InfoStore.ModifiedGff[e.VarName] = new GFFFile(e.GFF);
}
else
{
ALFA.Shared.Modules.InfoStore.ModifiedGff.Add(e.VarName, new GFFFile(e.GFF));
}
e.Handled = true;
}
/// <summary>
/// StoreCampaignObject hook. Called when the server script
/// function StoreCampaignObject is called by any script.
/// </summary>
/// <param name="CodeBaseObject">Supplies the code base this
/// pointer.</param>
/// <param name="CampaignName">Supplies the campaign name.</param>
/// <param name="VarName">Supplies the variable name.</param>
/// <param name="PlayerName">Supplies the player name.</param>
/// <param name="Cls">Always supplies the value 'O'.</param>
/// <param name="Data">Supplies the raw GFF buffer.</param>
/// <param name="Size">Supplies the count of raw GFF bytes in the
/// data buffer.</param>
/// <returns>True if the object was stored, else false if the
/// object was not stored.
private Int32 AddBinaryDataHook(IntPtr CodeBaseObject, IntPtr CampaignName, IntPtr VarName, IntPtr PlayerName, Byte Cls, IntPtr Data, UInt32 Size)
{
string CampaignNameStr = ServerInterop.ReadCExoString(CampaignName);
//
// If the campaign is the virtual database, call registered
// event handlers.
//
if (CampaignNameStr.StartsWith("VDB_"))
{
try
{
StoreCampaignDatabaseEventArgs EventArgs;
string VarNameStr = ServerInterop.ReadCExoString(VarName);
string PlayerNameStr = ServerInterop.ReadCExoString(PlayerName);
byte[] GFF = new byte[(int)Size];
Marshal.Copy(Data, GFF, 0, (int)Size);
EventArgs = new StoreCampaignDatabaseEventArgs(CampaignNameStr.Substring(4), VarNameStr, PlayerNameStr, GFF);
CampaignDatabase.StoreCampaignDatabaseEvent(null, EventArgs);
return(EventArgs.Handled ? 1 : 0);
}
catch (Exception e)
{
Logger.Log("CampaignDatabaseHook.AddBinaryDataHook: Exception: {0}", e);
return(0);
}
}
//
// Pass through to the original server implementation that uses
// the standard campaign database.
//
return(CCodeBase_AddBinaryData_OriginalDelegate(CodeBaseObject, CampaignName, VarName, PlayerName, Cls, Data, Size));
}
/// <summary>
/// This function is called when StoreCampaignObject("VDB_", ..)
/// is invoked.
/// </summary>
/// <param name="sender">Unused.</param>
/// <param name="e">Supplies event data.</param>
void CampaignDatabase_StoreCampaignDatabaseEvent(object sender, CampaignDatabase.StoreCampaignDatabaseEventArgs e)
{
//
// Interested only in VDB_File_<Campaign>.
//
if (!e.CampaignName.StartsWith("File_"))
return;
string DirectoryName = e.CampaignName.Substring(5);
if (!SystemInfo.IsSafeFileName(DirectoryName))
return;
if (!SystemInfo.IsSafeFileName(e.VarName))
return;
try
{
DirectoryName = DatabaseStoreDirectory + DirectoryName;
Directory.CreateDirectory(DirectoryName);
string FileName = String.Format("{0}{1}{2}.GFF", DirectoryName, Path.DirectorySeparatorChar, e.VarName);
File.WriteAllBytes(FileName, e.GFF);
}
catch (Exception ex)
{
ALFA.Shared.Logger.Log("CampaignObjectFileStore.CampaignDatabase_RetrieveCampaignDatabaseEvent({0}): Exception: {1}", DirectoryName, ex);
return;
}
catch
{
return;
}
e.Handled = true;
}
/// <summary>
/// RetrieveCampaignObject hook. Called when the server script
/// function RetrieveCampaignObject is called by any script.
/// </summary>
/// <param name="CodeBaseObject">Supplies the code base this
/// pointer.</param>
/// <param name="CampaignName">Supplies the campaign name.</param>
/// <param name="VarName">Supplies the variable name.</param>
/// <param name="PlayerName">Supplies the player name.</param>
/// <param name="Cls">Always receives 'O'.</param>
/// <param name="Size">Receives the size of the restored object GFF
/// data.</param>
/// <returns>An unmanaged pointer on the server heap that contains
/// the raw GFF data for the object. IntPtr.Zero if there is no
/// data to restore.</returns>
private IntPtr GetBinaryDataHook(IntPtr CodeBaseObject, IntPtr CampaignName, IntPtr VarName, IntPtr PlayerName, out Byte Cls, out UInt32 Size)
{
string CampaignNameStr = ServerInterop.ReadCExoString(CampaignName);
//
// If the campaign is the virtual database, call registered
// event handlers.
//
if (CampaignNameStr.StartsWith("VDB_"))
{
Cls = (byte)'O';
try
{
RetrieveCampaignDatabaseEventArgs EventArgs;
string VarNameStr = ServerInterop.ReadCExoString(VarName);
string PlayerNameStr = ServerInterop.ReadCExoString(PlayerName);
EventArgs = new RetrieveCampaignDatabaseEventArgs(CampaignNameStr.Substring(4), VarNameStr, PlayerNameStr);
CampaignDatabase.RetrieveCampaignDatabaseEvent(null, EventArgs);
//
// If no handler instantiated a GFF, then return no
// data found. Otherwise, allocate a buffer from the
// unmanaged server heap, and copy the contents of the
// GFF into the heap buffer and return the heap buffer.
//
if (EventArgs.GFF == null || EventArgs.GFF.Length == 0)
{
Size = 0;
return(IntPtr.Zero);
}
else
{
IntPtr GFFBuffer = IntPtr.Zero;
try
{
GFFBuffer = ServerInterop.AllocateServerHeap((uint)EventArgs.GFF.Length);
Marshal.Copy(EventArgs.GFF, 0, GFFBuffer, EventArgs.GFF.Length);
Size = (uint)EventArgs.GFF.Length;
return(GFFBuffer);
}
catch (Exception e)
{
Logger.Log("CampaignDatabaseHook.GetBinaryDataHook: Exception: {0}", e);
if (GFFBuffer != IntPtr.Zero)
{
ServerInterop.FreeServerHeap(GFFBuffer);
GFFBuffer = IntPtr.Zero;
}
}
}
}
catch (Exception e)
{
Logger.Log("CampaignDatabaseHook.GetBinaryDataHook: Exception: {0}", e);
Size = 0;
return(IntPtr.Zero);
}
}
//
// Pass through to the original server implementation that uses
// the standard campaign database.
//
return(CCodeBase_GetBinaryData_OriginalDelegate(CodeBaseObject, CampaignName, VarName, PlayerName, out Cls, out Size));
}
