static List <CardAIPlanData> RefineMultiCastPlan(CardAI ai, CardAIPlanData entryState, List <CardAIPlanData> plans)
{
NetBattlefield bf = entryState.bf;
//get top plans and try to refine them
int min = Mathf.Min(plans.Count, ai.refiningSize);
for (int i = 0; i < min; i++)
{
for (int k = 0; k < ai.intensity; k++)
{
//prepare source for cast copying target enumerator so that it can be reused by the further casts
CardAIPlanData source = entryState;
NetSkill ns = bf.GetSkillByID(plans[i].GetTopCardPlay().skill);
//cast form the source plan data so that it is not casted "after" action we want to reiterate to different targets
CardAIPlanData d = CastSkillOnece(ai, ns, ns.GetOwner(bf), source, bf.CloneAndRemember(), plans[i].GetTopCardPlay().targetEnumerator);
if (d.valid && plans[i].value < d.value)
{
d.SetEnumerator(plans[i].GetTopCardPlay().targetEnumerator);
plans[i] = d;
}
}
}
//select best plan per skill
return(plans.GetRange(0, min));
}
static public List <CardAIPlanData> ProduceCastPlans(CardAI ai, CardAIPlanData data, List <NetSkill> skills, int count)
{
List <CardAIPlanData> plans = new List <CardAIPlanData>(skills.Count);
NetBattlefield bf = data.bf;
for (int i = 0; i < skills.Count; i++)
{
NetSkill ns = skills[i];
IEnumerator <List <int> > targetEnumerator = null;
for (int k = 0; k < count; k++)
{
CardAIPlanData d = CastSkillOnece(ai, ns, ns.GetOwner(bf), data, bf.CloneAndRemember(), targetEnumerator);
if (d.valid)
{
if (targetEnumerator == null)
{
targetEnumerator = d.GetTopCardPlay().targetEnumerator;
}
plans.Add(d);
}
}
}
return(plans);
}
//this section will try to find positions which may endup important with the secondary cast
//eg splashing support skills.
//TODO: ??
// It would also find indescribable positions
// eg current opponent attack splash positions.
//NOTE: if no important positions are found only single casts would be considered to safe
//computation power
static List <int> FindImportantPositions(CardAI ai,
CardAIPlanData data,
List <NetSkill> consideredSkills)
{
List <int> importantPositions = null;
//if there is no skills which can be used there is no activity to consider
if (consideredSkills == null || consideredSkills.Count < 1)
{
return(importantPositions);
}
//if there is no allied cards on BF then simply skip this stage
if (data.bf.GetOwnLivingCardsBFPositions(ai.playerID).Count < 1)
{
return(importantPositions);
}
//consider all friend targeting skills,
//if they splash get their possible current targets
//and use them to produce splash positions
foreach (var v in consideredSkills)
{
if (v.IsCastingSpell() && v.IsSplashng())
{
Script s = v.GetSubSkill().targets.script2;
List <int> pos = v.FindValidTargets(data.bf, -1);
if (pos != null)
{
if (pos.FindIndex(o => data.bf.IsBattleSlot(o) &&
!data.bf.IsSlotFree(o) &&
data.bf.IsSameSideSlot(ai.playerID, o)) == -1)
{
//this skill does not have allied targets
continue;
}
List <int> sec = v.FindSecondaryTargets(data.bf, -1, pos);
if (sec == null)
{
continue;
}
if (importantPositions == null)
{
importantPositions = new List <int>();
}
importantPositions.Union(sec);
}
}
}
return(importantPositions);
}
static CardAIPlanData ProduceSingleRefination(CardAI ai, CardAIPlanData entryState, CardAIPlanData plan)
{
NetBattlefield bf = entryState.bf;
NetSkill ns = bf.GetSkillByID(plan.GetTopCardPlay().skill);
//cast form the source plan data so that it is not casted "after" action we want to reiterate to different targets
CardAIPlanData d = CastSkillOnece(ai, ns, ns.GetOwner(bf), entryState, bf.CloneAndRemember(), plan.GetTopCardPlay().targetEnumerator);
if (d.valid && plan.value < d.value)
{
d.SetEnumerator(plan.GetTopCardPlay().targetEnumerator);
}
return(d);
}
static List <NetSkill> WillDoTwoCastSimulation(CardAI ai,
CardAIPlanData data,
List <NetSkill> consideredSkills)
{
List <NetSkill> supportSkills = new List <NetSkill>();
//if there is no skills which can be used there is no activity to consider
if (consideredSkills == null || consideredSkills.Count < 1)
{
return(supportSkills);
}
NetBattlefield bf = null;
foreach (var v in consideredSkills)
{
if (v.IsCastingSpell())
{
if (bf == null)
{
bf = ProduceFakeBFIfNeeded(ai.playerID, data.bf);
}
List <int> pos = v.FindValidTargets(bf, -1);
if (pos != null)
{
if (pos.FindIndex(o => bf.IsBattleSlot(o) &&
!bf.IsSlotFree(o) &&
bf.IsSameSideSlot(ai.playerID, o)) == -1)
{
//this skill does not have allied targets
continue;
}
supportSkills.Add(v);
}
}
}
return(supportSkills);
}
static List <CardAIPlanData> ProduceRefinePlans(CardAI ai, CardAIPlanData entryState, List <CardAIPlanData> plans)
{
NetBattlefield bf = entryState.bf;
//get top plans and try to refine them
int min = Mathf.Min(plans.Count, ai.refiningSize);
for (int i = 0; i < min; i++)
{
for (int k = 0; k < ai.intensity; k++)
{
CardAIPlanData d = ProduceSingleRefination(ai, entryState, plans[i]);
if (d.valid && plans[i].value < d.value)
{
d.SetEnumerator(plans[i].GetTopCardPlay().targetEnumerator);
plans[i] = d;
}
}
}
//select best plan per skill
return(plans.GetRange(0, min));
}
static CardAIPlanData CastSkillOnece(CardAI ai, NetSkill ns, NetCard nc, CardAIPlanData data, NetBattlefield bf, IEnumerator <List <int> > targetEnumerator)
{
//structure makes a new copy
CardAIPlanData result = data;
//using previous bf allows to utilize already cached data, as well as share caching with following casts.
//later we will use new bf to ensure we do not override the same bf.
NetBattlefield prevBf = data.bf;
IList <int> targets = GetPlayCardTargets(ai.FriendlyTurn, ns, nc, prevBf);
if (targets == null || targets.Count < 1)
{
return(new CardAIPlanData());
}
if (targetEnumerator == null)
{
targetEnumerator = GetTargetEnumerator(ns, nc, targets, ai);
if (targetEnumerator == null)
{
return(new CardAIPlanData());
}
}
targetEnumerator.MoveNext();
List <int> selectedTargets = targetEnumerator.Current;
if (selectedTargets == null || selectedTargets.Count == 0)
{
return(new CardAIPlanData());
}
List <int> secTargets = GetSecondaryPlayTargets(ns, nc, prevBf, selectedTargets, ai.r);
FInt skillDelay = ns.GetSkillDelay(prevBf);
int cost = prevBf.GetCardCastingCostFast(ns.GetOwner(prevBf).CardID);
//add cost if something need to be casted next turn by AI
var ncp = bf.GetPlayerByPlayerID(ai.playerID);
if (cost > ncp.ApLeft)
{
skillDelay += 2;
}
//operate from now on its own bf
result.bf = bf;
NetQueueItem q;
if (ns.IsCastingSpell())
{
q = new NetQueueItem(bf, ns, new NetListInt(selectedTargets), new NetListInt(secTargets), skillDelay, -1);
}
else
{
q = new NetQueueItem(bf, ns, null, null, skillDelay, selectedTargets[0]);
}
//if ap cost were larger than current ap then we will result in negative ap.
//because its just simulation we do not care for that now, as the sum of this and next turn ap
//for estimating cost would be identical
ncp.ApLeft -= nc.GetCastingCost();
bf.PlayCard(q, ai.r);
float value = bf.GetValueByCloneSimulation(ai.iterations, ai.r);
result.value = value;
result.AddCardPlay(nc.CardID, ns.SkillInBattleID, q);
result.SetEnumerator(targetEnumerator);
result.valid = true;
return(result);
}
static int PlanSorter(CardAIPlanData a, CardAIPlanData b)
{
return(-a.value.CompareTo(b.value));
}
// AI 2.0
#region Core planning
static public CardAIPlanData ProducePlan(CardAI ai, CardAIPlanData data, bool allowTwoStages)
{
if (ai.intensity < 1)
{
Debug.LogError("[ERROR]0 level for AI will not produce any plans!, Increase calculation intensity to minimum 1!");
return(new CardAIPlanData());
}
NetBattlefield bf = data.bf;
int apNextTurn = bf.APNextTurn(ai.playerID);
int leftAP = bf.LeftAPThisTurn(ai.playerID) + apNextTurn;
float value = bf.GetValueByCloneSimulation(ai.iterations, ai.r);
List <NetCard> cards = CardsWithinAPRange(ai, bf, ai.totalAP);
if (cards == null)
{
return(new CardAIPlanData());
}
List <NetSkill> supportSkills2 = new List <NetSkill>();
List <NetSkill> skills = SelectSkillsToCast(cards);
if (skills == null || skills.Count == 0)
{
Debug.LogWarning("[!! AI] Avaliable skills to cast = 0");
return(new CardAIPlanData());
}
List <NetSkill> skills2 = null;
List <int> importantPos = null;
#region detect potential two-cast suggestions
if (allowTwoStages)
{
List <NetCard> cards2 = CardsWithinAPRange(ai, bf, ai.totalAP - 1);
if (cards2 != null)
{
skills2 = SelectSkillsToCast(cards2);
//two cast simulation would be considered only in case of at least two skills
//being of value for that activity
if (skills2 != null && skills2.Count > 1)
{
supportSkills2 = WillDoTwoCastSimulation(ai, data, skills2);
if (supportSkills2.Count > 0)
{
importantPos = FindImportantPositions(ai, data, supportSkills2);
}
//expensive casts which exhausts available AP will be casted as single-casts
//support skills will be casted as single-casts
//cheap enough non-supports will be BASE for multi-casts
//then supports skills will be casted on top
skills2 = skills2.Except(supportSkills2).ToList();
skills = skills.Except(skills2).ToList();
}
}
}
#endregion
#region produce single-cast results
List <CardAIPlanData> plans = ProduceCastPlans(ai, data, skills, 1);
if (plans != null && plans.Count > 0)
{
plans.Sort(PlanSorter);
plans = ProduceRefinePlans(ai, data, plans);
}
#endregion
#region produce two-cast results.
//TODO start by doing first layer of casts, with preferences if possible
if (skills2 != null && skills2.Count > 0)
{
List <CardAIPlanData> plans2 = ProduceCastPlans(ai, data, skills2, 1);
if (plans2 != null && plans2.Count > 0)
{
plans2.Sort(PlanSorter);
plans2 = ProduceRefinePlans(ai, data, plans2);
plans.AddRange(plans2);
}
//if supports are possible validate do another single turn pass for remaining skills.
if (supportSkills2 != null && supportSkills2.Count > 0)
{
//register important positions if any to ensure they are preferred during position planning.
ai.preferredStrategicPlaces = importantPos;
//First Cast
plans2 = ProduceCastPlans(ai, data, skills2, 1);
if (plans2 != null && plans2.Count > 0)
{
plans2.Sort(PlanSorter);
plans2 = ProduceRefinePlans(ai, data, plans2);
//Second Cast (aka support cast)
//Use first plan and select boosts which seems to be most efficient among available options.
//this does one base cast and then one boost for each which account for: AxB
List <CardAIPlanData> supportPlans = new List <CardAIPlanData>();
if (plans2 != null && plans2.Count > 0)
{
for (int i = 0; i < ai.supportCasts && i < plans2.Count; i++)
{
CardAIPlanData plan = plans2[i];
supportPlans.AddRange(ProduceCastPlans(ai, plan, supportSkills2, 1));
}
}
// select the best result of AxB to find the best theoretical result after two casts
//do deeper planning for the base positioning and then cast support skills on the chosen plan to
//acquire actual final value
supportPlans.Sort(PlanSorter);
if (supportPlans.Count > 0)
{
CardAIPlanData cpd = supportPlans[0];
CardAIPlanData planBase = plans2.Find(o => o.firstPlay.skill == cpd.firstPlay.skill);
CardAIPlanData result = ProduceSingleRefination(ai, data, planBase);
if (result.valid)
{
List <CardAIPlanData> results = ProduceCastPlans(ai, result, supportSkills2, 1);
if (results != null && results.Count > 0)
{
results.Sort(PlanSorter);
results = ProduceRefinePlans(ai, data, results);
plans.AddRange(results);
}
}
}
}
}
}
#endregion
#region compare all results and select the best
// all results are compared based on how much AP they use.
// positive gain produced by all results are based on final result and final AP cost
// GainedAdvantage / (2 + AP used) which results in:
// 1/2 multiplier for 1 AP actions
// 1/3 multiplier for 2 AP actions
// 1/4 multiplier for 3+ AP actions
// Single-casts would be considered as if they would use-up AvaliableAP amount
// to ensure we do not consider them better even though they cannot provide any better results
//if two-cast actions are available to some actions
// aka: there is no point in having cheaper cost if AP cannot be later used.
if (plans.Count == 0)
{
Debug.LogWarning("[!! AI] Available plans = 0");
return(new CardAIPlanData());
}
CardAIPlanData selected = plans[0];
float selectedV = float.MinValue;
for (int i = 0; i < plans.Count; i++)
{
CardAIPlanData cpd = plans[i];
int newLeftAP = cpd.bf.LeftAPThisTurn(ai.playerID) + apNextTurn;
int apUsed = leftAP - newLeftAP;
float v = cpd.value - value;
v = v / (1f + apUsed);
if (selectedV < v)
{
selected = plans[i];
selectedV = v;
}
}
#endregion
return(selected);
}