public override GameAction Think(Character controlledChar, bool preThink, IRandom rand)
{
if (controlledChar.CantWalk)
{
return(null);
}
List <Character> seenCharacters = new List <Character>();
bool seeLeader = false;
foreach (Character testChar in controlledChar.MemberTeam.IterateByRank())
{
if (testChar == controlledChar)
{
if (preThink)//follow only leaders in pre-thinking
{
break;
}
else//settle for other partners in action
{
if (seeLeader)
{
continue;
}
else
{
return(null);
}
}
}
else if (controlledChar.IsInSightBounds(testChar.CharLoc))
{
seenCharacters.Add(testChar);
seeLeader = true;
}
}
//gravitate to the CLOSEST ally.
//iterate in increasing character indices
GameAction result = null;
foreach (Character targetChar in seenCharacters)
{
//get the direction to that character
//use A* to get this first direction? check only walls?
List <Loc>[] paths = GetPaths(controlledChar, new Loc[1] {
targetChar.CharLoc
}, true, false);
List <Loc> path = paths[0];
Dir8 dirToChar = DirExt.GetDir(controlledChar.CharLoc, targetChar.CharLoc);
if (path.Count > 1)
{
dirToChar = DirExt.GetDir(path[path.Count - 1], path[path.Count - 2]);
}
//is it possible to move in that direction?
//if so, use it
result = tryDir(controlledChar, targetChar, dirToChar, !preThink);
if (result != null)
{
return(result);
}
if (dirToChar.IsDiagonal())
{
Loc diff = controlledChar.CharLoc - targetChar.CharLoc;
DirH horiz;
DirV vert;
dirToChar.Separate(out horiz, out vert);
//start with the one that covers the most distance
if (Math.Abs(diff.X) < Math.Abs(diff.Y))
{
result = tryDir(controlledChar, targetChar, vert.ToDir8(), !preThink);
if (result != null)
{
return(result);
}
result = tryDir(controlledChar, targetChar, horiz.ToDir8(), !preThink);
if (result != null)
{
return(result);
}
}
else
{
result = tryDir(controlledChar, targetChar, horiz.ToDir8(), !preThink);
if (result != null)
{
return(result);
}
result = tryDir(controlledChar, targetChar, vert.ToDir8(), !preThink);
if (result != null)
{
return(result);
}
}
}
else
{
result = tryDir(controlledChar, targetChar, DirExt.AddAngles(dirToChar, Dir8.DownLeft), !preThink);
if (result != null)
{
return(result);
}
result = tryDir(controlledChar, targetChar, DirExt.AddAngles(dirToChar, Dir8.DownRight), !preThink);
if (result != null)
{
return(result);
}
}
}
//if a path can't be found to anyone, return false
return(null);
}
