public override void ApplyUndo()
{
if (m_fAdd)
{
m_ss.RemoveSprite(m_sprite, null);
m_ss.CurrentSprite = m_mgr.FindMostRecentSprite();
if (m_ss.CurrentSprite == null)
{
m_ss.SelectFirstSprite();
}
}
else
{
m_ss.AddSprite(m_sprite, null);
m_ss.CurrentSprite = m_sprite;
}
}
public void RemoveSprite(Sprite sToRemove, UndoMgr undo)
{
SpriteType stToRemove = null;
Sprite sPrev = null, sCurr = null, sNext = null;
Sprite sNewSelection = null;
if (sToRemove == null)
{
return;
}
// Determine which sprite should be selected when this one is removed.
foreach (SpriteType st in SpriteTypes)
{
if (sNewSelection != null)
{
break;
}
foreach (Sprite s in st.Sprites)
{
sPrev = sCurr;
sCurr = sNext;
sNext = s;
if (s == sToRemove)
{
stToRemove = st;
}
if (sCurr == sToRemove)
{
sNewSelection = sNext;
break;
}
}
}
// If the last sprite is deleted, select the one before it.
if (sNext == sToRemove)
{
sNewSelection = sCurr;
}
int nTiles = sToRemove.NumTiles;
if (stToRemove == null)
{
return;
}
if (stToRemove.Sprites.Remove(sToRemove))
{
CurrentSprite = null;
if (undo != null)
{
CurrentSprite = undo.FindMostRecentSprite();
}
if (CurrentSprite == null)
{
CurrentSprite = sNewSelection;
}
m_nSprites--;
m_nTiles -= nTiles;
if (undo != null)
{
undo.Push(new UndoAction_AddSprite(undo, this, sToRemove, false));
}
if (m_doc.Owner != null)
{
m_doc.Owner.HandleSpriteTypeChanged(this);
}
}
foreach (Map m in m_Maps)
{
m.RemoveSpriteTilesFromMap(sToRemove);
}
}
public void RemoveSprite(Sprite sToRemove, UndoMgr undo)
{
SpriteType stToRemove = null;
Sprite sPrev = null, sCurr = null, sNext = null;
Sprite sNewSelection = null;
if (sToRemove == null)
return;
// Determine which sprite should be selected when this one is removed.
foreach (SpriteType st in SpriteTypes)
{
if (sNewSelection != null)
break;
foreach (Sprite s in st.Sprites)
{
sPrev = sCurr;
sCurr = sNext;
sNext = s;
if (s == sToRemove)
stToRemove = st;
if (sCurr == sToRemove)
{
sNewSelection = sNext;
break;
}
}
}
// If the last sprite is deleted, select the one before it.
if (sNext == sToRemove)
sNewSelection = sCurr;
int nTiles = sToRemove.NumTiles;
if (stToRemove == null)
return;
if (stToRemove.Sprites.Remove(sToRemove))
{
CurrentSprite = null;
if (undo != null)
CurrentSprite = undo.FindMostRecentSprite();
if (CurrentSprite == null)
CurrentSprite = sNewSelection;
m_nSprites--;
m_nTiles -= nTiles;
if (undo != null)
undo.Push(new UndoAction_AddSprite(undo, this, sToRemove, false));
if (m_doc.Owner != null)
m_doc.Owner.HandleSpriteTypeChanged(this);
}
foreach (Map m in m_Maps)
{
m.RemoveSpriteTilesFromMap(sToRemove);
}
}