private void LoadAreas()
{
OnProgress("Building world areas");
var areas = this._xmlRoot.SelectSingleNode("ns:Areas", this._xnm);
if (areas == null)
{
throw new InvalidOperationException();
}
XmlNodeList areaList = areas.SelectNodes("ns:Area", this._xnm);
if (areaList == null)
{
throw new InvalidOperationException();
}
this._playerStartStates.Clear();
this._tileDefinitionCollections.Clear();
this._randomMonsterDistributions.Clear();
this._randomFruitDistributions.Clear();
foreach (XmlElement area in areaList)
{
var areaRect = RectangleExtensions.GetRectangleFromDefinition(area);
var startPos = (XmlElement)area.SelectSingleNode("ns:PlayerStartState", this._xnm);
if (startPos != null)
{
var pss = PlayerStartState.FromXml(startPos);
pss.Area = areaRect;
this._playerStartStates.Add(pss);
}
var tileDefinitions = area.SelectNodes("ns:TileDefinitions/ns:*", this._xnm);
if (tileDefinitions != null && tileDefinitions.Count != 0)
{
var td = TileDefinitionCollection.FromXml(tileDefinitions);
td.Area = areaRect;
this._tileDefinitionCollections.Add(td);
}
var fruitPopulation = (XmlElement)area.SelectSingleNode("ns:FruitDefinitions", this._xnm);
if (fruitPopulation != null && fruitPopulation.ChildNodes.Count != 0)
{
var fd = RandomFruitDistribution.FromXml(fruitPopulation);
fd.Area = areaRect;
this._randomFruitDistributions.Add(fd);
}
var randomMonsterDistribution = (XmlElement)area.SelectSingleNode("ns:RandomMonsterDistribution", this._xnm);
if (randomMonsterDistribution != null)
{
var md = RandomMonsterDistribution.FromXml(randomMonsterDistribution, this._xnm);
md.Area = areaRect;
this._randomMonsterDistributions.Add(md);
}
}
}
public void Add([NotNull] PlayerStartState pss)
{
if (pss == null)
{
throw new ArgumentNullException(nameof(pss));
}
this.StartStates.Add(pss.Id, pss);
}
public static PlayerStartState FromXml(XmlElement startPos)
{
int id = int.Parse(startPos.GetAttribute("Id"));
string worldStart = startPos.GetAttribute("WorldStart");
var isInitialArea = !string.IsNullOrWhiteSpace(worldStart) && XmlConvert.ToBoolean(worldStart);
int x = int.Parse(startPos.GetAttribute("Left"));
int y = int.Parse(startPos.GetAttribute("Top"));
var tp = new TilePos(x, y);
var e = int.Parse(startPos.GetAttribute("Energy"));
var result = new PlayerStartState(id, isInitialArea, tp, e);
return(result);
}
public WorldArea(XmlElement area, XmlNamespaceManager xnm)
{
this.Area = RectangleExtensions.GetRectangleFromDefinition(area);
string worldStart = area.GetAttribute("WorldStart");
this.IsInitialArea = !string.IsNullOrWhiteSpace(worldStart) && bool.Parse(worldStart);
var startPos = (XmlElement)area.SelectSingleNode("ns:PlayerStartState", xnm);
if (startPos != null)
{
var pss = PlayerStartState.FromXml(startPos);
if (!this.Area.ContainsTile(pss.Position))
{
throw new InvalidOperationException("Invalid player start position - co-ordinate is not within the area.");
}
this.PlayerStartState = pss;
}
var tileDefinitions = area.SelectNodes("ns:TileDefinitions/ns:*", xnm);
if (tileDefinitions != null)
{
var td = TileDefinitionCollection.FromXml(tileDefinitions);
td.Area = this.Area;
this.TileDefinitionCollection = td;
}
var fruitPopulation = area.SelectNodes("ns:FruitDefinitions/ns:FruitDef", xnm);
if (fruitPopulation != null)
{
var fd = RandomFruitDistribution.FromXml(fruitPopulation);
fd.Area = this.Area;
this.FruitDefinitions = fd;
}
var randomMonsterDistribution = (XmlElement)area.SelectSingleNode("ns:RandomMonsterDistribution", xnm);
if (randomMonsterDistribution != null)
{
var md = RandomMonsterDistribution.FromXml(randomMonsterDistribution, xnm);
md.Area = this.Area;
this.RandomMonsterDistribution = md;
}
}
public bool TryGetStartState(TilePos tp, out PlayerStartState pss)
{
pss = this.StartStates.Values.SingleOrDefault(item => item.Area.ContainsTile(tp));
return(pss != null);
}
