public ParticleSystemInstance(ParticleSystem system)
{
if (system == null)
{
throw new ArgumentNullException("system");
}
System = system;
RefreshEffectInstances();
}
public void Open()
{
if (!CloseDocument() || openFileDialog.ShowDialog() != DialogResult.OK)
{
return;
}
var fileName = openFileDialog.FileName;
using (XmlReader xr = XmlReader.Create(fileName))
{
m_fileName = fileName;
m_particleSystem = IntermediateSerializer.Deserialize<ParticleSystem>(xr, Path.GetDirectoryName(fileName));
}
OnDocumentOpen();
SetModified(false);
}
public XnaRect ResolveUVBounds(string uvBoundsName, ParticleSystem system)
{
uvBoundsName = uvBoundsName ?? "{Whole}";
if (uvBoundsName == "{Whole}")
{
return system != null && system.TextureObject != null
? new XnaRect(0, 0, system.TextureObject.Width, system.TextureObject.Height)
: XnaRect.Empty;
}
else if (uvBoundsName.StartsWith("{") && uvBoundsName.EndsWith("}"))
{
string[][] tokens = uvBoundsName.Substring(1, uvBoundsName.Length - 2)
.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries)
.Select(t => t.Split(new char[] { ':' }, StringSplitOptions.RemoveEmptyEntries)).ToArray();
int x, y, w, h;
if (tokens.Length != 4 || tokens.Any(t => t.Length != 2)
|| tokens[0][0] != "x" || !int.TryParse(tokens[0][1], out x)
|| tokens[1][0] != "y" || !int.TryParse(tokens[1][1], out y)
|| (tokens[2][0] != "width" && tokens[2][0] != "w") || !int.TryParse(tokens[2][1], out w)
|| (tokens[3][0] != "height" && tokens[3][0] != "h") || !int.TryParse(tokens[3][1], out h))
{
throw new FormatException(String.Format("Cannot convert '{0}' to a rectangle.", uvBoundsName));
}
return new XnaRect(x, y, w, h);
}
else if (system == null)
{
return XnaRect.Empty;
}
else
{
var atlas = ResolveAtlas(system.TextureName);
if (atlas == null || !atlas.SubTextures.ContainsKey(uvBoundsName))
{
return XnaRect.Empty;
}
return atlas.SubTextures[uvBoundsName].Bounds;
}
}
public void New()
{
if (!CloseDocument())
{
return;
}
m_fileName = null;
m_particleSystem = new ParticleSystem();
var effect = new Effect { Capacity = 1000 };
effect.Name = "New Effect";
effect.EmissionRate = 50.0f;
effect.DefaultParticleLifetime = 3.0f;
effect.DefaultParticleSize = new Microsoft.Xna.Framework.Vector2(1, 1);
effect.DefaultParticleColor = new Microsoft.Xna.Framework.Color(255, 255, 255, 128);
effect.ModifiersOnEmit.Add(new Modifiers.RandomPositionInSphere { Radius = 5 });
effect.ModifiersOnUpdate.Add(new Modifiers.Accelerate { Acceleration = Microsoft.Xna.Framework.Vector3.UnitZ * 10 });
m_particleSystem.Effects.Add(effect);
OnDocumentOpen();
SetModified(true);
}
public XnaRect ResolveUVBounds(string uvBoundsName, ParticleSystem system) { return XnaRect.Empty; }
