private void AutoSelectPolicy()
{
List<PolicyType> possibleTypes = Provider.Instance.PolicyTypes.Values.ToList();
List<Policy> policies = new List<Policy>();
IEnumerable<string> pastEraNames = Eras.Select(b => b.Name);
// remove all policy types which will become active in future eras only
possibleTypes.RemoveAll(a => !pastEraNames.Contains(a.EraName));
PropabilityMap<PolicyType> typeMap = new PropabilityMap<PolicyType>();
foreach (PolicyType type in possibleTypes)
{
// add only to evaluation if not already adopted
if (!_policyTypes.Contains(type))
typeMap.AddItem(type, 1f / Flavours.Distance(type.Flavours, Flavours));
else
policies.AddRange(type.Policies);
}
policies.RemoveAll(a => _policies.Contains(a));
PropabilityMap<Policy> policyMap = new PropabilityMap<Policy>();
foreach (Policy p in policies)
policyMap.AddItem(p, 1f / Flavours.Distance(p.Flavours, Flavours));
if (typeMap.Items.Count > 0)
{
PolicyType bestPolicyType = typeMap.Best;
if (policyMap.Items.Count == 0)
{
if (!AdoptPolicyType(bestPolicyType))
throw new Exception("There was an error while adopting " + bestPolicyType);
}
else
{
Policy bestPolicy = policyMap.RandomOfBest3;
if (Flavours.Distance(bestPolicyType.Flavours, Flavours) < Flavours.Distance(bestPolicy.Flavours, Flavours))
{
if (!AdoptPolicyType(bestPolicyType))
throw new Exception("There was an error while adopting " + bestPolicyType);
}
else
{
if (!AdoptPolicy(bestPolicy))
throw new Exception("There was an error while adopting " + bestPolicy);
}
}
}
else
{
if (policyMap.Items.Count == 0 )
throw new Exception("There must be at least one policy to select!");
AdoptPolicy(policyMap.RandomOfBest3);
}
}
public void DetermineGrandStragegy()
{
PropabilityMap<GrandStrategyData> map = new PropabilityMap<GrandStrategyData>();
#region conquest strategy
GrandStrategyData conquestStrategy = Provider.GetGrandStrategy("Conquest");
if (conquestStrategy != null)
{
float conquestWeight = _diplomaticStatuses.Count == 0 && IsFirstRun ? AI_GRAND_STRATEGY_CONQUEST_NOBODY_MET_FIRST_TURN : 0;
conquestWeight += _diplomaticStatuses.Count == 0 && !IsFirstRun ? AI_GRAND_STRATEGY_CONQUEST_NOBODY_MET_WEIGHT : 0;
conquestWeight += _diplomaticStatuses.Exists(a => a.Status == BilateralStatus.AtWar) ? AI_GRAND_STRATEGY_CONQUEST_AT_WAR_WEIGHT : 0;
conquestWeight += IsFirstRun ? AI_GRAND_STRATEGY_CONQUEST_MILITARY_STRENGTH_FIRST_TURN : 0;
conquestWeight += AI_GRAND_STRATEGY_CONQUEST_POWER_RATIO_MULTIPLIER * MilitaryPowerValue;
conquestWeight += AI_GRAND_STRATEGY_CONQUEST_CRAMPED_WEIGHT * CrampedValue;
foreach (DiplomaticStatus status in _diplomaticStatuses)
{
conquestWeight += status.HasBeenAttacked && !status.IsMinor ? AI_GRAND_STRATEGY_CONQUEST_WEIGHT_PER_MAJOR_ATTACKED : 0;
conquestWeight += status.HasBeenConquered && !status.IsMinor ? AI_GRAND_STRATEGY_CONQUEST_WEIGHT_PER_MAJOR_CONQUERED : 0;
conquestWeight += status.HasBeenAttacked && status.IsMinor ? AI_GRAND_STRATEGY_CONQUEST_WEIGHT_PER_MINOR_ATTACKED : 0;
conquestWeight += status.HasBeenConquered && status.IsMinor ? AI_GRAND_STRATEGY_CONQUEST_WEIGHT_PER_MINOR_ATTACKED : 0;
}
if( _grandStrategy == conquestStrategy )
conquestWeight += AI_GRAND_STRATEGY_CURRENT_STRATEGY_WEIGHT;
if( !( _everHadStrategy.ContainsKey( conquestStrategy ) && _everHadStrategy[conquestStrategy] ) )
conquestWeight += AI_GRAND_STRATEGY_GUESS_NO_CLUE_WEIGHT;
map.AddItem(conquestStrategy, conquestWeight);
}
#endregion conquest strategy
#region culture strategy
GrandStrategyData cultureStrategy = Provider.GetGrandStrategy("Culture");
if (cultureStrategy != null)
{
float cultureWeight = CultureRatio * AI_GRAND_STRATEGY_CULTURE_RATIO_MULTIPLIER;
if (IsEarly)
{
cultureWeight /= AI_GRAND_STRATEGY_CULTURE_RATIO_EARLY_DIVISOR;
if (cultureWeight < AI_GRAND_STRATEGY_CULTURE_RATIO_EARLY_TURN_THRESHOLD)
cultureWeight = 0f;
}
if (_cities.Count > AI_GRAND_STRATEGY_CULTURE_MAX_CITIES)
cultureWeight = 0f;
if( _grandStrategy == cultureStrategy )
cultureWeight += AI_GRAND_STRATEGY_CURRENT_STRATEGY_WEIGHT;
if( !( _everHadStrategy.ContainsKey( cultureStrategy ) && _everHadStrategy[cultureStrategy] ) )
cultureWeight += AI_GRAND_STRATEGY_GUESS_NO_CLUE_WEIGHT;
map.AddItem(cultureStrategy, cultureWeight);
}
#endregion culture strategy
#region spaceship strategy
GrandStrategyData spaceshipStrategy = Provider.GetGrandStrategy("Spaceship");
if (spaceshipStrategy != null)
{
float spaceshipWeight = Wonders.FirstOrDefault( a => a.Name == "ApolloProgram" ) != null ? AI_GRAND_STRATEGY_SS_HAS_APOLLO_PROGRAM : 0;
spaceshipWeight += AI_GRAND_STRATEGY_SS_TECH_PROGRESS_MOD * SpaceshipTechProgress;
if( _grandStrategy == spaceshipStrategy )
spaceshipWeight += AI_GRAND_STRATEGY_CURRENT_STRATEGY_WEIGHT;
if( !( _everHadStrategy.ContainsKey( spaceshipStrategy ) && _everHadStrategy[spaceshipStrategy] ) )
spaceshipWeight += AI_GRAND_STRATEGY_GUESS_NO_CLUE_WEIGHT;
map.AddItem(spaceshipStrategy, spaceshipWeight);
}
#endregion spaceship strategy
#region unitednations strategy
GrandStrategyData unitednationsStrategy = Provider.GetGrandStrategy("UnitedNations");
if (unitednationsStrategy != null)
{
float unitednationsWeight = 0f;
foreach (DiplomaticStatus status in _diplomaticStatuses)
{
unitednationsWeight += status.IsMinor && status.HasBeenAttacked ? AI_GRAND_STRATEGY_UN_EACH_MINOR_ATTACKED_WEIGHT : 0;
unitednationsWeight += status.Status == BilateralStatus.VoteForUN ? AI_GRAND_STRATEGY_UN_SECURED_VOTE_MOD : 0;
}
if( _grandStrategy == unitednationsStrategy )
unitednationsWeight += AI_GRAND_STRATEGY_CURRENT_STRATEGY_WEIGHT;
if( !( _everHadStrategy.ContainsKey( unitednationsStrategy ) && _everHadStrategy[unitednationsStrategy] ) )
unitednationsWeight += AI_GRAND_STRATEGY_GUESS_NO_CLUE_WEIGHT;
map.AddItem(unitednationsStrategy, unitednationsWeight);
}
#endregion unitednations strategy
GrandStrategyData newStrategy = map.Random;
if (newStrategy != _grandStrategy)
{
// grand stragety is set on first run or by 40% chance
if( _grandStrategy == null || rand.Next(100) < 40)
ChangeGrandStrategy(newStrategy);
}
}
public void SelectTarget()
{
switch (_unitAI)
{
case Types.UnitAI.Work:
PropabilityMap<WayPoints> propsWork = new PropabilityMap<WayPoints>();
foreach (HexPoint pt in Point.Neighbors)
{
if (Map[pt].CanEnter(this))
propsWork.AddItem(WayPoints.FromPath(Map.FindPath(this, pt)), _player.ImprovementLocationMap[pt] * (_player.ImprovementLocationMap.IsLocalMaximum(pt) ? 1.0f : 0.2f));
}
_path = propsWork.Random;
break;
case Types.UnitAI.Settle:
PropabilityMap<WayPoints> propsSettle = new PropabilityMap<WayPoints>();
List<HexPoint> interest = GetTilesOfInterest(_settlerInterest);
foreach (HexPoint pt in interest)
{
Path path = Map.FindPath(this, pt);
if (path != null && path.IsValid)
{
propsSettle.AddItem(WayPoints.FromPath( path ), _player.CityLocationMap[pt] * (_player.CityLocationMap.IsLocalMaximum(pt) ? 1.0f : 0.2f));
}
}
_path = propsSettle.Random;
break;
case Types.UnitAI.Attack:
case Types.UnitAI.Explore:
PropabilityMap<WayPoints> propsExplore = new PropabilityMap<WayPoints>();
foreach (HexPoint pt in Point.Neighbors)
{
if (Map[pt].CanEnter(this))
propsExplore.AddItem(WayPoints.FromPath(Map.FindPath(this, pt)), 1);
}
_path = propsExplore.Random;
break;
default:
throw new Exception("SelectTarget not prepared " + _unitAI);
}
return;
}
private void MakeResources()
{
for (int x = 0; x < Width; x++)
{
for (int y = 0; y < Height; y++)
{
List<Ressource> possibleResources = new List<Ressource>();
MapCell cell = this[x, y];
foreach (string resName in cell.Terrain.PossibleRessources)
possibleResources.Add(Provider.GetRessource(resName));
foreach (Feature feature in cell.Features)
foreach (string resName in feature.PossibleRessources)
possibleResources.Add(Provider.GetRessource(resName));
List<MapRegion> regions = this.GetRegions(x, y);
foreach (MapRegion mr in regions)
{
foreach (string resName in mr.RessourceExcludes)
if (possibleResources.Count( a => a.Name == resName ) > 0 )
possibleResources.RemoveAll(a => a.Name == resName);
}
// if we have any possible there is a 20% chance to place a resource
if (possibleResources.Count > 0 && rnd.NextDouble() < 0.2)
{
PropabilityMap<Ressource> map = new PropabilityMap<Ressource>();
foreach (Ressource r in possibleResources)
map.AddItem(r, 1);
cell.SetRessources(map.Random);
}
}
}
}
