/// <summary>
/// Add an AnimationLayer
/// </summary>
/// <returns>Created layer</returns>
public SceneLayer CreateLayer()
{
SceneLayer layer = new SceneLayer(this);
Layers.Add(layer);
Layers.Sort();
return(layer);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="layer">Layer to get the frame from</param>
/// <param name="time">Time of the frame</param>
/// <exception>ArgumentNullExecption</exception>
public SceneFrame(SceneLayer layer, TimeSpan time)
{
if (layer == null)
{
throw new ArgumentNullException("layer");
}
Layer = layer;
KeyFrame next = layer.GetNextKeyFrame(time);
KeyFrame prev = layer.GetPreviousKeyFrame(time);
if (next == null | prev == null)
{
TileID = -1;
TextID = -1;
return;
}
// Length between two keyframes
float delta;
if (next.Time - prev.Time == TimeSpan.Zero)
{
delta = 1.0f;
}
else
{
delta = (float)(time - prev.Time).TotalMilliseconds / (float)(next.Time - prev.Time).TotalMilliseconds;
}
Time = time;
// Tile
TileID = prev.TileID;
BgColor = prev.BgColor;
Point loc = prev.TileLocation;
loc.Offset(
(int)((next.TileLocation.X - prev.TileLocation.X) * delta),
(int)((next.TileLocation.Y - prev.TileLocation.Y) * delta));
TileLocation = loc;
// Text
TextID = prev.TextID;
Rectangle rect = prev.TextRectangle;
rect.Offset(
(int)((next.TextRectangle.X - prev.TextRectangle.X) * delta),
(int)((next.TextRectangle.Y - prev.TextRectangle.Y) * delta));
TextRectangle = rect;
}
/// <summary>
/// Removes an AnimationLayer
/// </summary>
/// <param name="layer">Layer</param>
public void RemoveLayer(SceneLayer layer)
{
Layers.Remove(layer);
}
/// <summary>
/// Loads the animation from a xml file
/// </summary>
/// <param name="xml">XmlNode to load</param>
/// <returns></returns>
public bool Load(XmlNode xml)
{
if (xml == null)
{
return(false);
}
if (xml.Name != XmlTag)
{
Trace.WriteLine("Expecting \"" + XmlTag + "\" in node header, found \"" + xml.Name + "\" when loading Scene.");
return(false);
}
Name = xml.Attributes["name"].Value;
// Process datas
XmlNodeList nodes = xml.ChildNodes;
foreach (XmlNode node in nodes)
{
switch (node.Name.ToLower())
{
case "tileset":
{
TileSetName = node.Attributes["name"].Value;
TileSet = ResourceManager.CreateAsset <TileSet>(TileSetName);
if (TileSet == null)
{
break;
}
Vector2 size = new Vector2(1.0f, 1.0f);
if (node.Attributes["scalew"].Value != null)
{
size.X = float.Parse(node.Attributes["scalew"].Value);
}
if (node.Attributes["scaleh"].Value != null)
{
size.Y = float.Parse(node.Attributes["scaleh"].Value);
}
TileSet.Scale = size;
}
break;
case "layer":
{
SceneLayer layer = CreateLayer();
layer.Load(node);
}
break;
case "stringtable":
{
StringTableName = node.Attributes["name"].Value;
StringTable = ResourceManager.CreateAsset <StringTable>(StringTableName);
}
break;
case "font":
{
FontName = node.Attributes["name"].Value;
Font = ResourceManager.CreateAsset <BitmapFont>(FontName);
}
break;
default:
{
Trace.WriteLine("Animation : Unknown node element found (" + node.Name + ")");
}
break;
}
}
return(true);
}
