diff options
Diffstat (limited to 'WADCollection.cs')
| -rw-r--r-- | WADCollection.cs | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/WADCollection.cs b/WADCollection.cs new file mode 100644 index 0000000..ba6eb5b --- /dev/null +++ b/WADCollection.cs @@ -0,0 +1,196 @@ +// Noddybox.DOOM - DOOM WAD Wrapper +// Copyright (C) 2004 Ian Cowburn +// +// This program is free software; you can redistribute it and/or +// modify it under the terms of the GNU General Public License +// as published by the Free Software Foundation; either version 2 +// of the License, or (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +// +using System; +using System.Collections; + +namespace Noddybox.DOOM +{ + /// <summary> + /// Performs operations on a collection of WADs + /// </summary> + public class WADCollection : IEnumerable, IEnumerator + { + // ==================================== + // PUBLIC + // ==================================== + + /// <summary> + /// Delegate for WAD added event + /// </summary> + public delegate void WadAddedEvent(WADCollection collection, WAD wad); + + /// <summary> + /// Delegate for WAD removed event + /// </summary> + public delegate void WadRemovedEvent(WADCollection collection); + + /// <summary> + /// Create an empty collection of WADs + /// </summary> + public WADCollection() + { + m_wads=new ArrayList(); + m_iter_index=-1; + } + + /// <summary> + /// Add a WAD to the collection + /// </summary> + /// <param name="w">The WAD</param> + public void AddWad(WAD w) + { + m_wads.Add(w); + + if (WadAdded!=null) + { + WadAdded(this,w); + } + } + + /// <summary> + /// Remove a WAD from the collection + /// </summary> + /// <param name="w">The WAD</param> + public void RemoveWad(WAD w) + { + m_wads.Remove(w); + + if (WadRemoved!=null) + { + WadRemoved(this); + } + } + + + /// <summary> + /// Get the first palette (PLAYPAL) lump from the WAD files + /// </summary> + /// <returns>The lump containing the palette, or null if not found</returns> + public WADEntry GetPalette() + { + return QueryDirectory("PLAYPAL"); + } + + + /// <summary> + /// Queries the WAD directories for the named lump. Note it searches + /// back from the last loaded WAD as DOOM does. + /// </summary> + /// <param name="name">The lump name</param> + /// <returns>The lump, or null if it doesn't exist</returns> + public WADEntry QueryDirectory(string name) + { + for(int f=m_wads.Count-1;f>=0;f--) + { + WAD w=(WAD)m_wads[f]; + + WADEntry e=w.FindEntry("PLAYPAL"); + + if (e!=null) + { + return e; + } + } + + return null; + } + + /// <summary> + /// Called when a WAD is added to the collection + /// </summary> + public event WadAddedEvent WadAdded; + + /// <summary> + /// Called when a WAD is removed from the collection + /// </summary> + public event WadRemovedEvent WadRemoved; + + /// <summary> + /// Returns the number of WADs in the collection + /// </summary> + public int Count + { + get {return m_wads.Count;} + } + + /// <summary> + /// Index into the WADs + /// </summary> + public WAD this[int index] + { + get {return (WAD)m_wads[index];} + } + + /// <summary> + /// Gets an enumerator + /// </summary> + /// <returns>The enumerator</returns> + public IEnumerator GetEnumerator() + { + Reset(); + return this; + } + + /// <summary> + /// Get the current object from the enumerator + /// </summary> + public object Current + { + get + { + if (m_iter_index==-1) + { + throw new InvalidOperationException(); + } + + return m_wads[m_iter_index]; + } + } + + /// <summary> + /// Reset the enumerator to the start of the collection. + /// </summary> + public void Reset() + { + m_iter_index=-1; + } + + /// <summary> + /// Move the enumerator to the next item. + /// </summary> + /// <returns>True if there are more objects to enumerate over</returns> + public bool MoveNext() + { + m_iter_index++; + + if (m_iter_index>=m_wads.Count) + { + m_iter_index=-1; + } + + return m_iter_index!=-1; + } + + + // ==================================== + // PRIVATE + // ==================================== + private ArrayList m_wads; + private int m_iter_index; + } +} |