public PortalModel AddPortal(Vector2 position, Faction faction)
{
var portal = new PortalModel(position, faction);
portals.Add(portal);
return(portal);
}
public bool Overlaps(PortalModel portal)
{
return
(IsSameSide(Portals[0].Position, Portals[1].Position, Portals[2].Position, portal.Position) &&
IsSameSide(Portals[1].Position, Portals[2].Position, Portals[0].Position, portal.Position) &&
IsSameSide(Portals[2].Position, Portals[0].Position, Portals[1].Position, portal.Position));
}
public PortalModel OtherEnd(PortalModel portal)
{
if (!IsConnecting(portal))
{
throw new ArgumentException(string.Format("Portal {0} is not a part of link {1}", portal, this));
}
return(Source == portal ? Target : Target == portal ? Source : null);
}
private void VisitPortal(PortalModel portal)
{
if (!visitedPortals.Contains(portal))
{
Explorer++;
visitedPortals.Add(portal);
}
}
public void Hack(PortalModel portal, Faction faction = Faction.Player)
{
Hacker++;
AP += (portal.Faction == Faction.None || portal.Faction == faction) ? 0 : 100;
VisitPortal(portal);
APChanged();
}
public bool Overlaps(PortalModel portal)
{
if (IsConnecting(portal))
{
return(false); // connecting is OK
}
var p = portal.Position - Source.Position;
return(Vector3.Cross(Vector, p).z == 0 && Util.InRange(Vector2.Dot(Vector, p) / Vector.sqrMagnitude, 0, 1));
}
public void Capture(PortalModel portal)
{
VisitPortal(portal);
Liberator++;
if (!capturedPortals.Contains(portal))
{
Pioneer++;
capturedPortals.Add(portal);
}
AP += 125 * 8 + 500 + 250;
APChanged();
}
public LinkModel AddLink(Faction faction, KeyInventoryModel inventory, PortalModel source, PortalModel target)
{
string message;
if (IsLinkableSource(faction, source, out message) && IsLinkableTarget(faction, inventory, source, target, out message))
{
LinkModel newLink = new LinkModel(source, target);
links.Add(newLink);
source.NumberOfLinks++;
target.NumberOfLinks++;
return(newLink);
}
else
{
throw new Exception(message);
}
}
public bool IsLinkableTarget(Faction faction, KeyInventoryModel inventory, PortalModel source, PortalModel target, out string message)
{
if (source == target)
{
message = string.Format("Source portal {0} is also the target portal.", source);
return(false);
}
if (target.Faction != faction)
{
message = string.Format("Target portal {0} is an enemy portal.", target);
return(false);
}
if (!inventory.HasKey(target))
{
message = string.Format("No key for target portal {0}.", target);
return(false);
}
if (links.Any(link => link.Overlaps(target)))
{
message = string.Format("Target portal {0} is overlapped by a link.", target);
return(false);
}
LinkModel newLink = new LinkModel(source, target);
if (links.Any(link => link.EqualsIgnoreDirection(newLink)))
{
message = string.Format("Link already exists between portal {0} and {1}.", source, target);
return(false);
}
if (links.Any(link => link.Intersects(newLink)))
{
message = "Link crosses an existing link.";
return(false);
}
message = "";
return(true);
}
public void DestroyPortal(PortalModel portal, out IList <LinkModel> destroyedLinksResult, out IList <CFModel> destroyedCFsResult)
{
var destroyedLinks = links.Where(link => link.IsConnecting(portal)).ToList();
var destroyedCFs = cfs.Where(cf => destroyedLinks.Any(cf.Contains)).ToList();
foreach (var link in destroyedLinks)
{
link.Source.NumberOfLinks--;
link.Target.NumberOfLinks--;
links.Remove(link);
}
foreach (var cf in destroyedCFs)
{
cfs.Remove(cf);
}
destroyedLinksResult = destroyedLinks;
destroyedCFsResult = destroyedCFs;
}
public bool IsLinkableSource(Faction faction, PortalModel source, out string message)
{
if (source.Faction != faction)
{
message = string.Format("Source portal {0} is an enemy portal.", source);
return(false);
}
if (links.Any(link => link.Overlaps(source)))
{
message = string.Format("Source portal {0} is overlapped by a link.", source);
return(false);
}
if (cfs.Any(cf => cf.Overlaps(source)))
{
message = string.Format("Source portal {0} is overlapped by a CF.", source);
return(false);
}
message = null;
return(true);
}
public bool HasKey(PortalModel portal)
{
return(portals.Contains(portal));
}
public void RemoveKey(PortalModel portal)
{
portals.Remove(portal);
}
public void AddKey(PortalModel portal)
{
portals.Add(portal);
}
public IEnumerable <PortalModel> FindLinkablePortals(Faction faction, KeyInventoryModel inventory, PortalModel source)
{
string message;
if (!IsLinkableSource(faction, source, out message))
{
Debug.Log(message);
return(Enumerable.Empty <PortalModel>());
}
var candidatePortals = portals.Where(p => IsLinkableTarget(faction, inventory, source, p, out message)).ToList();
candidatePortals.Sort((a, b) => a.DistanceFrom(source.Position).CompareTo(b.DistanceFrom(source.Position)));
return(candidatePortals);
}
public LinkModel(PortalModel source, PortalModel target)
{
Source = source;
Target = target;
}
public bool IsConnecting(PortalModel portal)
{
return(Source == portal || Target == portal);
}