/// <summary>
/// Load from XML: Initializing constructor from an XML node.
/// </summary>
/// <param name="node">An <see cref="XmlNode"/> within
/// a Nova component definition file (xml document).
/// </param>
public Component(XmlNode node)
: base(node)
{
Properties = new Dictionary <string, ComponentProperty>();
XmlNode mainNode = node.FirstChild;
while (mainNode != null)
{
try
{
switch (mainNode.Name.ToLower())
{
case "mass":
Mass = int.Parse(mainNode.FirstChild.Value, System.Globalization.CultureInfo.InvariantCulture);
break;
case "cost":
Cost = new Resources(mainNode);
break;
case "tech":
RequiredTech = new TechLevel(mainNode);
break;
case "description":
XmlText xmltxtDescription = (XmlText)mainNode.FirstChild;
if (xmltxtDescription != null)
{
this.Description = xmltxtDescription.Value;
}
break;
case "race_restrictions":
Restrictions = new RaceRestriction(mainNode);
break;
case "image":
{
// Paths are always stored in external files using forward slashes.
ImageFile = mainNode.FirstChild.Value;
ImageFile = ImageFile.Replace('/', Path.DirectorySeparatorChar);
// relative or absolute path? we normally store the relative path but will handle loading either incase the file has been manually modified.
try
{
FileInfo info = new FileInfo(ImageFile);
if (info.Exists)
{
// was absolute, so keep as is and load up the image
ComponentImage = new Bitmap(ImageFile);
}
else
{
{
string graphicsPath = FileSearcher.GetGraphicsPath();
if (graphicsPath != null)
{
ImageFile = Path.Combine(graphicsPath, ImageFile);
info = new FileInfo(ImageFile);
}
}
if (info.Exists)
{
// now we have an absolute path, load the image
ComponentImage = new Bitmap(ImageFile);
}
else
{
// No further action. FileSearcher will report an error (once only) if the graphics are not available.
}
}
}
catch (System.NotSupportedException)
{
// The path doesn't make sense, maybe it wasn't relative.
// Don't change anything and don't load the image
ImageFile = mainNode.FirstChild.Value.Replace('/', Path.DirectorySeparatorChar);
ComponentImage = null;
Report.Error("Unable to locate the image file " + ImageFile);
}
break;
}
case "property":
{
// Load the property. It may be of any type (Bomb, IntegerProperty, Hull, etc), so
// check the save file first to determine what to load, and use the appropriate constructor.
string propertyType = mainNode.SelectSingleNode("Type").FirstChild.Value;
ComponentProperty newProperty;
switch (propertyType.ToLower())
{
case "armor":
{
newProperty = new IntegerProperty(mainNode);
break;
}
case "battle movement":
{
newProperty = new DoubleProperty(mainNode);
break;
}
case "beam deflector":
{
newProperty = new ProbabilityProperty(mainNode);
break;
}
case "bomb":
{
newProperty = new Bomb(mainNode);
break;
}
case "capacitor":
{
newProperty = new CapacitorProperty(mainNode);
break;
}
case "cloak":
{
newProperty = new ProbabilityProperty(mainNode);
break;
}
case "defense":
{
newProperty = new Defense(mainNode);
break;
}
case "energy dampener":
{
newProperty = new DoubleProperty(mainNode);
break;
}
case "cargo":
{
newProperty = new IntegerProperty(mainNode);
break;
}
case "colonizer":
{
newProperty = new Colonizer(mainNode);
break;
}
case "computer":
{
newProperty = new Computer(mainNode);
break;
}
case "engine":
{
newProperty = new Engine(mainNode);
break;
}
case "fuel":
{
newProperty = new Fuel(mainNode);
break;
}
case "gate":
{
newProperty = new Gate(mainNode);
break;
}
case "hull":
{
newProperty = new Hull(mainNode);
break;
}
case "hull affinity":
{
newProperty = new HullAffinity(mainNode);
break;
}
case "jammer":
{
newProperty = new ProbabilityProperty(mainNode);
break;
}
case "mass driver":
{
newProperty = new MassDriver(mainNode);
break;
}
case "mine layer":
{
newProperty = new MineLayer(mainNode);
break;
}
case "mine layer efficiency":
{
newProperty = new DoubleProperty(mainNode);
break;
}
case "mining robot":
{
newProperty = new IntegerProperty(mainNode);
break;
}
case "orbital adjuster":
{
newProperty = new IntegerProperty(mainNode);
break;
}
case "radiation":
{
newProperty = new Radiation(mainNode);
break;
}
case "shield":
{
newProperty = new IntegerProperty(mainNode);
break;
}
case "scanner":
{
newProperty = new Scanner(mainNode);
break;
}
case "tachyon detector":
{
newProperty = new ProbabilityProperty(mainNode);
break;
}
case "terraform":
{
newProperty = new Terraform(mainNode);
break;
}
case "transport ships only":
{
newProperty = new SimpleProperty(mainNode);
break;
}
case "weapon":
{
newProperty = new Weapon(mainNode);
break;
}
default:
{
// it is an error to arrive here, but try to recover using an integer property
Report.Error("Component property type " + propertyType + " not recognised, using default constructor");
newProperty = new IntegerProperty(mainNode);
break;
}
}
if (newProperty != null)
{
this.Properties.Add(propertyType, newProperty);
}
break;
}
}
}
catch (Exception e)
{
Report.FatalError(e.Message + "\n Details: \n" + e.ToString());
}
mainNode = mainNode.NextSibling;
}
}
/// <summary>
/// Copy constructor.
/// </summary>
/// <param name="existing"></param>
public ProbabilityProperty(ProbabilityProperty existing)
{
this.Value = existing.Value;
}