/// <summary>
/// Pre-condition: stream's file position must be at the beginning of a new section, marked with 4/8 byte ascii strings
/// </summary>
/// <param name="stream"></param>
/// <returns></returns>
public static SaveSection ParseSaveSection(FileStream stream, SimCity2000Save save)
{
byte[] name = new byte[4];
stream.Read(name, 0, 4);
string sectionName = BytesToString(name);
SaveSection newSection = null;
switch (sectionName)
{
case "MISC":
newSection = new MiscSection();
break;
case "ALTM":
newSection = new AltitudeSection();
break;
case "XTER":
newSection = new TerrainSection();
break;
case "XBLD":
newSection = new BuildingSection();
break;
case "XZON":
newSection = new ZoneSection();
((ZoneSection)newSection).MiscSection = save.MiscSection;
break;
default:
newSection = new SaveSection(sectionName);
break;
}
newSection.ParseSection(stream);
return newSection;
}
private ZoneCorners TransposeCorner(MiscSection ms, ZoneCorners corner)
{
if (ms.Rotation == 1)
{
switch (corner)
{
case ZoneCorners.BottomLeft:
return ZoneCorners.BottomRight;
case ZoneCorners.BottomRight:
return ZoneCorners.TopRight;
case ZoneCorners.TopLeft:
return ZoneCorners.BottomLeft;
case ZoneCorners.TopRight:
return ZoneCorners.TopLeft;
}
}
else if (ms.Rotation == 2)
{
switch (corner)
{
case ZoneCorners.BottomLeft:
return ZoneCorners.TopRight;
case ZoneCorners.BottomRight:
return ZoneCorners.TopLeft;
case ZoneCorners.TopLeft:
return ZoneCorners.BottomRight;
case ZoneCorners.TopRight:
return ZoneCorners.BottomLeft;
}
}
else if (ms.Rotation == 3)
{
switch (corner)
{
case ZoneCorners.BottomLeft:
return ZoneCorners.TopLeft;
case ZoneCorners.BottomRight:
return ZoneCorners.BottomLeft;
case ZoneCorners.TopLeft:
return ZoneCorners.TopRight;
case ZoneCorners.TopRight:
return ZoneCorners.BottomRight;
}
}
return corner;
}