// Select the choke point for either the start location or the natural expansions location.
private bool SelectChoke(bool startChoke)
{
// get the distance between start and natural
BuildSite site = Interface().currentBuildSite;
TilePosition start = Interface().baseLocations[(int)BuildSite.StartingLocation];
TilePosition targetChoke = null;
Chokepoint chokepoint = null;
if (!startChoke)
{
targetChoke = Interface().baseLocations[2];
double distance = start.getDistance(targetChoke);
// find some kind of measure to determine if the the closest choke to natural is not the once between choke and start but after the natural
IEnumerable <Chokepoint> chokes = bwta.getChokepoints().Where(ck => bwta.getGroundDistance(new TilePosition(ck.getCenter()), start) > 0).OrderBy(choke => choke.getCenter().getDistance(new Position(targetChoke)));
if (chokes == null)
{
return(false);
}
foreach (Chokepoint ck in chokes)
{
if (bwta.getGroundDistance(new TilePosition(ck.getCenter()), targetChoke) < bwta.getGroundDistance(new TilePosition(ck.getCenter()), start))
{
chokepoint = ck;
break;
}
}
}
else
{
targetChoke = start;
chokepoint = bwta.getChokepoints().Where(ck => bwta.getGroundDistance(new TilePosition(ck.getCenter()), start) > 0).OrderBy(choke => choke.getCenter().getDistance(new Position(start))).First();
}
if (chokepoint == null)
{
return(false);
}
//picking the right side of the choke to position forces
Interface().forcePoints[ForceLocations.NaturalChoke] = (targetChoke.getDistance(new TilePosition(chokepoint.getSides().first)) < targetChoke.getDistance(new TilePosition(chokepoint.getSides().second))) ? new TilePosition(chokepoint.getSides().first) : new TilePosition(chokepoint.getSides().second);
Interface().currentForcePoint = ForceLocations.NaturalChoke;
if (!Interface().baseLocations.ContainsKey((int)BuildSite.Choke))
{
Interface().baseLocations.Add(4, Interface().forcePoints[ForceLocations.NaturalChoke]);
}
return(true);
}
// Function to position buildings taking he unit type for the building size
protected bool Position(UnitType type, int timeout = 10)
{
try
{
// can the AI afford the building
if (CanBuildBuilding(type))
{
TilePosition buildPosition;
// get eh base location for building
buildPosition = Interface().baseLocations[(int)Interface().currentBuildSite];
// if no builder selected then select one
if (builder == null || builder.getHitPoints() <= 0)
{
builder = Interface().GetBuilder(buildPosition, false);
}
// if the build location is further than dist and itterations, then move the builder
double dist = DELTADISTANCE;
if (buildLocation is TilePosition && buildPosition is TilePosition)
{
dist = buildLocation.getDistance(buildPosition);
}
if (buildLocation != null && dist > iterations)
{
move(new Position(buildLocation), builder);
return(true);
}
else
{
buildPosition = PossibleBuildLocation(buildPosition, builder, type);
// if build location is NULL then build at builders location
if (buildPosition == null)
{
if (bwapi.Broodwar.canBuildHere(builder, new TilePosition(builder.getPosition()), type))
{
buildPosition = new TilePosition(builder.getPosition());
}
}
}
try
{
buildLocation = buildPosition;
}
catch
{
return(false);
}
if (buildLocation is TilePosition)
{
// set target to becom a new Position from the TilePosition"buildPosition"
Position target = new Position(buildPosition);
// Move the builder into place
builder.move(target, true);
Console.Out.WriteLine("Builder Moving into Position");
// While the builder is to far from the build location move to location
while (builder.getDistance(target) >= DELTADISTANCE && timeout > 0)
{
if (builder.move(target, true))
{
break;
}
System.Threading.Thread.Sleep(100);
timeout--;
}
// If the buildder takes too long to get into position a new builder is selected
if (timeout <= 0)
{
Console.Out.WriteLine("Positioning Timed Out Replacing Builder");
builder = Interface().GetBuilder(buildPosition, true);
return(false);
}
Console.Out.WriteLine("Builder in Position");
return(true);
}
// If the builder cant get inot position and the position is NULL then attempt to build a pylon at the location
Console.Out.WriteLine("buildLocation is NULL");
builder.build(builder.getTilePosition(), bwapi.UnitTypes_Protoss_Pylon);
return(false);
}
// Stop the output box from filling up too much
if (textCounter >= 1)
{
return(false);
}
textCounter++;
Console.Out.WriteLine("Can't Afford to Build");
return(false);
}
catch
{
return(false);
}
}
