public Formation(Formation cloner)
{
_formationType = cloner.FormationType;
_leader = cloner.Leader;
_position = cloner.Position;
_members = cloner.Members;
}
//returns a score between 0 and 1 representing the desirability of the
//strategy the concrete subclass represents
//TODO: The desirability should also be affected by the number of teammates found.
//Currently I'm not precisely sure of an easy way to get the number of teammates in the game.
//I need to find a global that stores all the players, and go from there.
public override float CalculateDesirability(BotEntity bot)
{
CurrentFormation = bot.CurrentFormation;
/////
//If the bot is already prepared to follow formation, and is now checking to see if it wants out.
/////
/////
//If the bot is already prepared to follow formation, and is now checking to see if it is leader and ready to do formation!
/////
//leader
//all members are following, and leader is ready. So leader should be standing around, while the members are alreadyin their following state.
if (bot.FormationStatus == FormationStatuses.Ready && CurrentFormation.Leader == bot && !CurrentFormation.allMembersPreparing())
{
//check to see if all bots are ready.
bool allReady = true;
foreach (BotEntity friend in CurrentFormation.Members)
if (friend.FormationStatus != FormationStatuses.Ready)
allReady = false;
//If so set status to leader and send a message to all bots that the formation is ready to start.
if (allReady)
{
bot.FormationStatus = FormationStatuses.Leading;
return 1 * _characterBias * 1000; //I really want this to win for testing BEWAREBEWAARE! BEEP BEEP BEEP WARNING!
//TODO: SEND MESSAGE HERE.
//send a message to all bots in CurrentFormation.Members
}
//They should all set status to following. and the setGoal should set this to stand still. Or just repeatidly clear subgoals.
}
//followers
//if I set the goal here, then I can let a bot finish what he was doing before joining with the group.
//People may be waiting for him, it all depend on the desirability.
if (bot.FormationStatus == FormationStatuses.Following || bot.FormationStatus == FormationStatuses.Leading)
{
//the setGoal will sort out the proper goal to assign.
//set max desirability
return 1 * _characterBias * 1000; //I really want this to win for testing BEWAREBEWAARE! BEEP BEEP BEEP WARNING!
}
float closestDistSoFar = Single.MaxValue;
/////
//If the bot has already received a message to form with teammates. [this can't be the leader, because the leader will never have their status set to NotReady, while having a formation]
/////
if (this.CurrentFormation != null && bot.FormationStatus == FormationStatuses.NotReady)
{
closestDistSoFar =
(CurrentFormation.Leader.Position - bot.Position).LengthSquared();
closestDistSoFar /= CurrentFormation.Members.Count; //thie dist will go down, the desirability will go up according to the number of members in the formation.
closestDistSoFar /= CurrentFormation.membersReady(); //also increase the desirability by number of members ready.
}
/////
//If the bot hasn't already received a message to form with teammates.
/////
else
{
bot = null;
//grab a list of all the opponents the owner can sense
List<BotEntity> sensedBots
= bot.SensoryMemory.GetListOfRecentlySensedOpponents();
BotEntity currentFriendlyTarget = null;
foreach (BotEntity curBot in sensedBots)
{
//make sure the bot is alive and that it is not the owner, and it is the same team.
if (!curBot.IsAlive || (curBot == bot) || curBot.Team != bot.Team)
continue;
float dist =
(curBot.Position - bot.Position).LengthSquared();
if (dist >= closestDistSoFar)
continue;
closestDistSoFar = dist;
currentFriendlyTarget = curBot;
}
//if we never found a target than closestDist will still be max value and we return 0 desirability.
if (closestDistSoFar == Single.MaxValue)
{
return 0;
}
}
float desirability = (float)Math.Pow((closestDistSoFar / myMAXDISTANCE), -1.0f); //the further it is the closer the fraction will be to 1, so take the inverse for desirability.
//ensure the value is in the range 0 to 1
desirability = (float)MathHelper.Clamp(desirability, 0, 1);
desirability *= _characterBias;
return desirability;
}
//adds the appropriate goal to the given bot's brain
public override void SetGoal(BotEntity bot)
{
if(CurrentFormation == null || CurrentFormation.Leader == bot) //is leader
{
//create formation, then send it to all members of the formation, then await reply.
if (bot.FormationStatus == FormationStatuses.NotReady)
{
//grab a list of all the players the owner can sense
List<BotEntity> sensedBots
= bot.SensoryMemory.GetListOfRecentlySensedOpponents();
//cull that list to just the Bots on the same team.
List<BotEntity> friendlyBots
= sensedBots.FindAll(delegate(BotEntity abot) { return abot.Team == bot.Team; });
switch (friendlyBots.Count)
{
case 1:
CurrentFormation = new Formation(FormationType.BackToBack, bot, 1, friendlyBots);
break;
default:
CurrentFormation = new Formation(FormationType.Line, bot, 1, friendlyBots);
break;
}
if (CurrentFormation == null)
return;
bot.FormationStatus = FormationStatuses.Ready;
bot.CurrentFormation = CurrentFormation;
uint count = 2;
foreach (BotEntity abot in friendlyBots)
{
//clone formation, then change the position
Formation temp = new Formation(CurrentFormation);
temp.Position = count++;
abot.CurrentFormation = temp;
}
}
else if (bot.FormationStatus == FormationStatuses.Ready)
{
bot.FormationStatus = FormationStatuses.NotReady;
throw new Exception("Not implemented yet! EvaluatorFollowFormation->SetGoal");
}
else if (bot.FormationStatus == FormationStatuses.Ready && CurrentFormation.Leader == bot && CurrentFormation.allMembersFollowing())
bot.Brain.RemoveAllSubgoals(); //this should hopefully make the bot stand still.
else if (bot.FormationStatus == FormationStatuses.Leading)
bot.Brain.AddGoalLeadFormation();
}
else
{
if (bot.FormationStatus == FormationStatuses.NotReady)
bot.FormationStatus = FormationStatuses.Ready;
else if (bot.FormationStatus == FormationStatuses.Ready)
bot.FormationStatus = FormationStatuses.NotReady;
else if (bot.FormationStatus == FormationStatuses.Following)
bot.Brain.AddGoalFollowFormation(_currentFormation);
}
}
public FollowFormation(BotEntity bot, Formation groupFormation)
: base(bot, GoalTypes.FollowFormation)
{
GroupFormation = groupFormation;
}
public LeadFormation(BotEntity bot, Formation groupFormation)
: base(bot, GoalTypes.LeadFormation)
{
GroupFormation = groupFormation;
}
