public void LINQSingle()
{
CosmoMongerDbDataContext db = CosmoManager.GetDbContext();
for (int i = 0; i < LOOP_COUNT; i++)
{
Player topPlayer = (from p in db.Players
where p.PlayerId == 1
select p).SingleOrDefault();
}
}
/// <summary>
/// Sets the delay before the next action will be taken for this Npc again.
/// </summary>
/// <param name="delay">The delay before the next scheduled action.</param>
/// <returns>true is time has been set, false if another thread has already ran (Npc should exit)</returns>
protected bool SetNextActionDelay(TimeSpan delay)
{
CosmoMongerDbDataContext db = CosmoManager.GetDbContext();
// Mark the next time this NPC will need to do an action
this.npcRow.NextActionTime = DateTime.UtcNow.Add(delay);
db.SaveChanges();
return(true);
}
public void SkummHomeSystem()
{
// Test that the created Skumm player starts in the correct home system
CosmoMongerDbDataContext db = CosmoManager.GetDbContext();
Race skummRace = (from r in db.Races
where r.Name == "Skumm"
select r).SingleOrDefault();
this.CheckPlayerHomeSystem(skummRace);
}
public void DecapodianHomeSystem()
{
// Test that the created Decapodian player starts in the correct home system
CosmoMongerDbDataContext db = CosmoManager.GetDbContext();
Race decapodianRace = (from r in db.Races
where r.Name == "Decapodian"
select r).SingleOrDefault();
this.CheckPlayerHomeSystem(decapodianRace);
}
public void LINQWhereObjectId()
{
CosmoMongerDbDataContext db = CosmoManager.GetDbContext();
Player topPlayer = db.Players.First();
for (int i = 0; i < LOOP_COUNT; i++)
{
IQueryable <Player> matchingPlayer = (from p in db.Players
where p.PlayerId == topPlayer.PlayerId
select p);
}
}
private Player CreateTestPlayer(string baseTestUsername, string baseTestEmail, string baseTestPlayerName)
{
CosmoMongerDbDataContext db = CosmoManager.GetDbContext();
// Default to Human race
Race humanRace = (from r in db.Races
where r.Name == "Human"
select r).SingleOrDefault();
Assert.IsNotNull(humanRace, "Human Race needs to be present in the database");
return(this.CreateTestPlayer(baseTestUsername, baseTestEmail, baseTestPlayerName, humanRace));
}
public void LINQToList()
{
CosmoMongerDbDataContext db = CosmoManager.GetDbContext();
for (int i = 0; i < LOOP_COUNT; i++)
{
List <Player> players = (from p in db.Players
where p.Alive
select p).ToList();
foreach (Player player in players)
{
player.NetWorth++;
}
}
}
private Player CreateTestPlayer(string baseTestUsername, string baseTestEmail, string baseTestPlayerName, Race playerRace)
{
CosmoMongerDbDataContext db = CosmoManager.GetDbContext();
CosmoMongerMembershipProvider provider = new CosmoMongerMembershipProvider();
MembershipCreateStatus status;
CosmoMongerMembershipUser testUser = (CosmoMongerMembershipUser)provider.CreateUser(baseTestUsername, "test1000", baseTestEmail, null, null, true, null, out status);
Assert.IsNotNull(testUser, "Test User was created. status = {0}", new object[] { status });
User testUserModel = testUser.GetUserModel();
Assert.IsNotNull(testUserModel, "Able to get model object for user");
return(testUserModel.CreatePlayer(baseTestUsername, playerRace));
}
private void SetPlayerShip(Player player, string shipName)
{
CosmoMongerDbDataContext db = CosmoManager.GetDbContext();
// Assign the default base ship type
BaseShip baseShip = (from bs in db.BaseShips
where bs.Name == shipName
select bs).SingleOrDefault();
player.Ship.BaseShip = baseShip;
// Setup default upgrades
player.Ship.JumpDrive = player.Ship.BaseShip.InitialJumpDrive;
player.Ship.Shield = player.Ship.BaseShip.InitialShield;
player.Ship.Weapon = player.Ship.BaseShip.InitialWeapon;
}
public void GetSystemDistance()
{
CosmoMongerDbDataContext db = CosmoManager.GetDbContext();
Player testPlayer = this.CreateTestPlayer();
CosmoSystem [] inRangeSystems = testPlayer.Ship.GetInRangeSystems();
int range = testPlayer.Ship.JumpDrive.Range;
// Check the distance of all the in-range systems
foreach (CosmoSystem system in inRangeSystems)
{
double distance = testPlayer.Ship.GetSystemDistance(system);
Assert.That(distance, Is.LessThan(range), "All in range systems should be within JumpDrive range");
}
}
public void SellNotSold()
{
CosmoMongerDbDataContext db = CosmoManager.GetDbContext();
// Setup player
Player testPlayer = this.CreateTestPlayer();
Ship testShip = testPlayer.Ship;
CosmoSystem startingSystem = testShip.CosmoSystem;
GameManager manager = new GameManager(testPlayer.User.UserName);
// Store the player starting cash
int playerStartingCash = testPlayer.Ship.Credits;
// Add some water to this ship for us to sell
Good water = (from g in db.Goods
where g.Name == "Water"
select g).SingleOrDefault();
Assert.That(water, Is.Not.Null, "We should have a Water good");
ShipGood shipGood = new ShipGood();
shipGood.Good = water;
shipGood.Quantity = 10;
shipGood.Ship = testShip;
testShip.ShipGoods.Add(shipGood);
// Verify that the good is for sell in the current system
SystemGood systemWater = startingSystem.GetGood(water.GoodId);
if (systemWater != null)
{
// Remove the good from the system
db.SystemGoods.DeleteOnSubmit(systemWater);
db.SubmitChanges();
}
try
{
shipGood.Sell(testShip, 10, systemWater.Price);
}
catch (InvalidOperationException ex)
{
// Correct
Assert.That(ex, Is.Not.Null, "InvalidOperationException should be valid");
return;
}
Assert.Fail("Player should not been able to sell in the system when the good was not sold in the system");
}
public void BankWithdrawNoBank()
{
// Arrange
Player testPlayer = this.CreateTestPlayer();
// Move the player to a system without a bank
CosmoMongerDbDataContext db = CosmoManager.GetDbContext();
CosmoSystem noBankSystem = (from s in db.CosmoSystems
where !s.HasBank
select s).FirstOrDefault();
Assert.That(noBankSystem, Is.Not.Null, "There should be at least one system in the galaxy without a bank");
testPlayer.Ship.CosmoSystem = noBankSystem;
// Act, should throw an exception
testPlayer.BankWithdraw(1000);
}
public void BuyNotEnoughCash()
{
CosmoMongerDbDataContext db = CosmoManager.GetDbContext();
// Setup player
Player testPlayer = this.CreateTestPlayer();
Ship testShip = testPlayer.Ship;
CosmoSystem startingSystem = testShip.CosmoSystem;
GameManager manager = new GameManager(testPlayer.User.UserName);
// Reduce the player starting cash
testPlayer.Ship.Credits = 10;
// Check that the ship is empty
Assert.That(testShip.ShipGoods.Count, Is.EqualTo(0), "Ship should start out with no goods on-board");
// Add some water to the starting system for this ship to buy
Good water = (from g in db.Goods
where g.Name == "Water"
select g).SingleOrDefault();
Assert.That(water, Is.Not.Null, "We should have a Water good");
startingSystem.AddGood(water.GoodId, 20);
// Verify that the good was added to the system
SystemGood systemWater = startingSystem.GetGood(water.GoodId);
Assert.That(systemWater, Is.Not.Null, "System should now have a water SystemGood");
Assert.That(systemWater.Quantity, Is.GreaterThanOrEqualTo(20), "System should now have at least 20 water goods");
int playerCost = (int)(systemWater.PriceMultiplier * water.BasePrice) * systemWater.Quantity;
int systemStartingCount = systemWater.Quantity;
try
{
systemWater.Buy(testShip, 20, systemWater.Price);
}
catch (ArgumentException ex)
{
Assert.That(ex.ParamName, Is.EqualTo("quantity"), "Quantity to buy should be the invalid argument");
return;
}
Assert.Fail("Player should not been able to buy more goods than they can afford");
}
public void SellNotEnoughGoods()
{
CosmoMongerDbDataContext db = CosmoManager.GetDbContext();
// Setup player
Player testPlayer = this.CreateTestPlayer();
Ship testShip = testPlayer.Ship;
CosmoSystem startingSystem = testShip.CosmoSystem;
GameManager manager = new GameManager(testPlayer.User.UserName);
// Add some water to this ship for us to sell
Good water = (from g in db.Goods
where g.Name == "Water"
select g).SingleOrDefault();
Assert.That(water, Is.Not.Null, "We should have a Water good");
ShipGood shipGood = new ShipGood();
shipGood.Good = water;
shipGood.Quantity = 10;
shipGood.Ship = testShip;
testShip.ShipGoods.Add(shipGood);
db.SubmitChanges();
// Verify that the good is for sell in the current system
SystemGood systemWater = startingSystem.GetGood(water.GoodId);
if (systemWater == null)
{
startingSystem.AddGood(water.GoodId, 0);
systemWater = startingSystem.GetGood(water.GoodId);
}
try
{
shipGood.Sell(testShip, 20, systemWater.Price);
}
catch (ArgumentOutOfRangeException ex)
{
Assert.That(ex.ParamName, Is.EqualTo("quantity"), "Quantity to sell should be the invalid argument");
return;
}
Assert.Fail("Player should not been able to sell more goods than aboard");
}
public void FindUserJory()
{
Player testPlayer = this.CreateTestPlayer();
GameManager manager = new GameManager(testPlayer.User.UserName);
CosmoMongerDbDataContext db = CosmoManager.GetDbContext();
//db.Log = Console.Out;
IEnumerable <User> users = manager.FindUser("jory");
IPagination <User> usersPaged = users.AsPagination(1);
usersPaged.ToArray();
//db.Log = null;
Assert.That(users, Is.Not.Empty, "Should find me");
}
public void Sell()
{
CosmoMongerDbDataContext db = CosmoManager.GetDbContext();
// Setup player
Player testPlayer = this.CreateTestPlayer();
Ship testShip = testPlayer.Ship;
CosmoSystem startingSystem = testShip.CosmoSystem;
GameManager manager = new GameManager(testPlayer.User.UserName);
// Store the player starting cash
int playerStartingCash = testPlayer.Ship.Credits;
// Add some water to this ship for us to sell
Good water = (from g in db.Goods
where g.Name == "Water"
select g).SingleOrDefault();
Assert.That(water, Is.Not.Null, "We should have a Water good");
ShipGood shipGood = new ShipGood();
shipGood.Good = water;
shipGood.Quantity = 10;
shipGood.Ship = testShip;
testShip.ShipGoods.Add(shipGood);
// Verify that the good is for sell in the current system
SystemGood systemWater = startingSystem.GetGood(water.GoodId);
if (systemWater == null)
{
startingSystem.AddGood(water.GoodId, 0);
systemWater = startingSystem.GetGood(water.GoodId);
}
int playerProfit = systemWater.Price * 10;
int systemStartingCount = systemWater.Quantity;
shipGood.Sell(testShip, 10, systemWater.Price);
Assert.That(systemWater.Quantity, Is.EqualTo(systemStartingCount + 10), "System should now have 10 more water goods");
Assert.That(testPlayer.Ship.Credits, Is.EqualTo(playerStartingCash + playerProfit), "Player should have more cash credits now after selling");
}
public void AcceptSearchNoGoods()
{
CosmoMongerDbDataContext db = CosmoManager.GetDbContext();
Good nonContrabandGood = (from g in db.Goods
where !g.Contraband
select g).FirstOrDefault();
// Add non-contraband good to player 2
player2.Ship.AddGood(nonContrabandGood.GoodId, 5);
// Player 1 starts search
combat.StartSearch();
// Player 2 accepts search
combat.AcceptSearch();
ShipGood good2 = player2.Ship.GetGood(nonContrabandGood.GoodId);
Assert.That(good2.Quantity, Is.EqualTo(5), "Player 2 should still have 5 of the non-contraband good now");
}
public void AddGood()
{
CosmoMongerDbDataContext db = CosmoManager.GetDbContext();
CosmoSystem firstSystem = (from s in db.CosmoSystems select s).FirstOrDefault();
Assert.That(firstSystem, Is.Not.Null, "We need at least one system in the galaxy");
// Add some water to the the system
Good water = (from g in db.Goods
where g.Name == "Water"
select g).SingleOrDefault();
Assert.That(water, Is.Not.Null, "We should have a Water good");
firstSystem.AddGood(water.GoodId, 100);
// Verify that the good was added to the system
SystemGood systemWater = firstSystem.GetGood(water.GoodId);
Assert.That(systemWater, Is.Not.Null, "System should now have a water SystemGood");
Assert.That(systemWater.Quantity, Is.GreaterThanOrEqualTo(100), "System should now have at least 100 water goods");
}
public void BuyNotEnoughGoods()
{
CosmoMongerDbDataContext db = CosmoManager.GetDbContext();
// Setup player
Player testPlayer = this.CreateTestPlayer();
Ship testShip = testPlayer.Ship;
CosmoSystem startingSystem = testShip.CosmoSystem;
GameManager manager = new GameManager(testPlayer.User.UserName);
// Check that the ship is empty
Assert.That(testShip.ShipGoods.Count, Is.EqualTo(0), "Ship should start out with no goods on-board");
// Add some water to the starting system for this ship to buy
Good water = (from g in db.Goods
where g.Name == "Water"
select g).SingleOrDefault();
Assert.That(water, Is.Not.Null, "We should have a Water good");
startingSystem.AddGood(water.GoodId, 5);
// Verify that the good was added to the system
SystemGood systemWater = startingSystem.GetGood(water.GoodId);
// Make sure only 5 are at the system
systemWater.Quantity = 5;
try
{
systemWater.Buy(testShip, 20, systemWater.Price);
}
catch (ArgumentOutOfRangeException ex)
{
Assert.That(ex.ParamName, Is.EqualTo("quantity"), "Quantity to buy should be the invalid argument");
return;
}
Assert.Fail("Player should not been able to buy more goods than at the system");
}
public void Buy()
{
CosmoMongerDbDataContext db = CosmoManager.GetDbContext();
// Setup player
Player testPlayer = this.CreateTestPlayer();
Ship testShip = testPlayer.Ship;
CosmoSystem startingSystem = testShip.CosmoSystem;
GameManager manager = new GameManager(testPlayer.User.UserName);
// Store the player starting cash
int playerStartingCash = testPlayer.Ship.Credits;
// Check that the ship is empty
Assert.That(testShip.ShipGoods.Count, Is.EqualTo(0), "Ship should start out with no goods on-board");
// Add some water to the starting system for this ship to buy
Good water = (from g in db.Goods
where g.Name == "Water"
select g).SingleOrDefault();
Assert.That(water, Is.Not.Null, "We should have a Water good");
startingSystem.AddGood(water.GoodId, 20);
// Verify that the good was added to the system
SystemGood systemWater = startingSystem.GetGood(water.GoodId);
Assert.That(systemWater, Is.Not.Null, "System should now have a water SystemGood");
Assert.That(systemWater.Quantity, Is.GreaterThanOrEqualTo(20), "System should now have at least 20 water goods");
int playerCost = systemWater.Price * 20;
int systemStartingCount = systemWater.Quantity;
systemWater.Buy(testShip, 20, systemWater.Price);
Assert.That(systemWater.Quantity, Is.EqualTo(systemStartingCount - 20), "System should now have 20 few water goods");
Assert.That(testPlayer.Ship.Credits, Is.EqualTo(playerStartingCash - playerCost), "Player should have less cash credits now after buying");
}
/// <summary>
/// Does the action.
/// </summary>
public override void DoAction()
{
if (!this.SetNextActionDelay(NpcShipBase.DelayBeforeNextAction))
{
return;
}
CosmoMongerDbDataContext db = CosmoManager.GetDbContext();
Ship npcShip = this.npcRow.Ship;
// Check if we are still traveling
npcShip.CheckIfTraveling();
// Check if we are currently in combat
if (npcShip.InProgressCombat != null)
{
// In Combat!
this.DoCombat();
}
else if (this.npcRow.NextTravelTime < DateTime.UtcNow)
{
// Search?
if (this.rnd.SelectByProbablity(new bool[] { true, false }, new double[] { 0.50, 0.50 }))
{
this.DoSearch();
}
else
{
this.DoTravel();
}
this.SetNextTravelTime();
}
db.SaveChanges();
}
protected void Application_Start()
{
Logger.Write("CosmoMonger Application Start (r" + CosmoManager.GetCodeVersion().ToString() + " db" + CosmoManager.GetDatabaseVersion().ToString() + ")", "ASP.NET Core", 1000, 0, TraceEventType.Information, "CosmoMonger Application Start");
RegisterRoutes(RouteTable.Routes);
}
/// <summary>
/// Updates the system good count, causing systems to produce goods as needed.
/// </summary>
private void UpdateSystemGoodCount()
{
CosmoMongerDbDataContext db = CosmoManager.GetDbContext();
Dictionary <string, object> props;
foreach (Good good in db.Goods)
{
// Get the total number of this good type available in all systems
int totalSystemGoodCount = good.SystemGoods.Sum(x => x.Quantity);
double targetBreak = (((double)good.TargetCount) / 10.0);
// Check if we need to add some of this good to the galaxy
while (totalSystemGoodCount < good.TargetCount)
{
// Randomly select a system with equal to or fewer than targetBreak number of goods to produce.
var goodProducingSystems = (from g in good.SystemGoods
where g.ProductionFactor > 0 && g.Quantity <= targetBreak
select g);
if (goodProducingSystems.Count() == 0)
{
// No systems produce this good?
// Continue on to the next good type
break;
}
SystemGood selectedProducingSystemGood = goodProducingSystems.ElementAt(rnd.Next(goodProducingSystems.Count()));
// Produce the good, using the count needed and the production factor
double adjustedProductionFactor = (rnd.NextDouble() + selectedProducingSystemGood.ProductionFactor) / 2;
int lackingGoodCount = (int)(rnd.Next(10) * adjustedProductionFactor);
selectedProducingSystemGood.Quantity += lackingGoodCount;
props = new Dictionary <string, object>
{
{ "SystemId", selectedProducingSystemGood.SystemId },
{ "GoodId", selectedProducingSystemGood.GoodId },
{ "Quantity", selectedProducingSystemGood.Quantity },
{ "AddedQuantity", lackingGoodCount }
};
Logger.Write("Producing Goods", "NPC", 400, 0, TraceEventType.Verbose, "Producing Goods", props);
// Update the total good count
totalSystemGoodCount += lackingGoodCount;
try
{
// Send changes to database
db.SubmitChanges(ConflictMode.ContinueOnConflict);
}
catch (ChangeConflictException ex)
{
ExceptionPolicy.HandleException(ex, "SQL Policy");
// Another thread has made changes to this SystemGood row,
// which could be from someone buying or selling the good at a system
// Best case to resolve this would be to simply start over in the good production,
// because the good quantity has been changed by another method.
foreach (ObjectChangeConflict occ in db.ChangeConflicts)
{
// Refresh values from database
occ.Resolve(RefreshMode.OverwriteCurrentValues);
}
continue;
}
}
// Now consume some of this good in the galaxy
// Randomly select a good at a system to consume where the quantity is equal to or higher
// than targetBreak number of goods
var goodConsumingSystems = (from g in good.SystemGoods
where g.ConsumptionFactor > 0 && g.Quantity >= targetBreak &&
g.Quantity > 0
select g);
if (goodConsumingSystems.Count() == 0)
{
// No systems consume this good?
// Continue on to the next good type
continue;
}
SystemGood selectedConsumingSystemGood = goodConsumingSystems.ElementAt(rnd.Next(goodConsumingSystems.Count()));
// Consuming the good, using the count needed and the consumption factor
double adjustedConsumptionFactor = (rnd.NextDouble() + selectedConsumingSystemGood.ConsumptionFactor) / 2;
int usageGoodCount = (int)(rnd.Next(10) * adjustedConsumptionFactor);
usageGoodCount = Math.Min(usageGoodCount, selectedConsumingSystemGood.Quantity);
selectedConsumingSystemGood.Quantity -= usageGoodCount;
props = new Dictionary <string, object>
{
{ "SystemId", selectedConsumingSystemGood.SystemId },
{ "GoodId", selectedConsumingSystemGood.GoodId },
{ "Quantity", selectedConsumingSystemGood.Quantity },
{ "RemovedQuantity", usageGoodCount }
};
Logger.Write("Consuming Goods", "NPC", 400, 0, TraceEventType.Verbose, "Consuming Goods", props);
try
{
// Send changes to database
db.SubmitChanges(ConflictMode.ContinueOnConflict);
}
catch (ChangeConflictException ex)
{
ExceptionPolicy.HandleException(ex, "SQL Policy");
// Another thread has made changes to this SystemGood row,
// which could be from someone buying or selling the good at a system
// Best case to resolve this would be to simply ignore the good consumption,
// we like to produce more than we consume
foreach (ObjectChangeConflict occ in db.ChangeConflicts)
{
// Refresh values from database
occ.Resolve(RefreshMode.OverwriteCurrentValues);
}
}
}
}
/// <summary>
/// Does the action.
/// </summary>
public override void DoAction()
{
if (!this.SetNextActionDelay(NpcTrader.DelayBeforeNextAction))
{
return;
}
CosmoMongerDbDataContext db = CosmoManager.GetDbContext();
Ship npcShip = this.npcRow.Ship;
// Check if we are still traveling
npcShip.CheckIfTraveling();
// Check if we are currently in combat
if (npcShip.InProgressCombat != null)
{
// In Combat!
this.DoCombat();
}
else if (this.npcRow.NextTravelTime < DateTime.UtcNow)
{
// Create an array of goods that the Trader has onboard
ShipGood[] goods = npcShip.GetGoods().Where(g => g.Quantity > 0).ToArray();
// goodCount != 0, sell all the trader's goods
foreach (ShipGood good in goods)
{
// Get the number of this good type onboard the Trader's ship
int shipGoodQuantity = good.Quantity;
// Find the price of the good
int shipGoodPrice = 0;
try
{
good.Sell(npcShip, shipGoodQuantity, shipGoodPrice);
}
catch (InvalidOperationException ex)
{
// Log this exception
ExceptionPolicy.HandleException(ex, "NPC Policy");
}
}
// This is the minimum amount of money a trader should have before buying goods
int baseCreditsSizeAdjusted = BaseCreditMultiplier * npcShip.CargoSpaceTotal;
// Check if we need to give this trader some credits
if (npcShip.Credits < baseCreditsSizeAdjusted)
{
// Poor trader has no credits, give him some to start
npcShip.Credits = baseCreditsSizeAdjusted;
}
// Trader buys first good
SystemGood good1 = (from g in npcShip.CosmoSystem.SystemGoods
orderby(g.PriceMultiplier) ascending
select g).FirstOrDefault();
// This is the maximum number a Trader can purchase
double numberCanBuy = Math.Floor((double)npcShip.Credits / good1.Price);
// This is the maximum number we want the Trader to purchase
double numberToBuy = Math.Ceiling((double)npcShip.CargoSpaceFree / 2);
// Make sure that the Trader buys as many of good1 as credits allow
int numberBuying = (int)Math.Min(numberCanBuy, numberToBuy);
// Insures that Traders attempt to buy the proper number of good1
int properNumber = (int)Math.Min(numberBuying, good1.Quantity);
try
{
good1.Buy(npcShip, properNumber, good1.Price);
}
catch (InvalidOperationException ex)
{
// Log this exception
ExceptionPolicy.HandleException(ex, "NPC Policy");
}
// Find all the systems within range
CosmoSystem[] inRangeSystems = npcShip.GetInRangeSystems();
// Finds the system with the highest PriceMultiplier
CosmoSystem targetSystem = (from g in db.SystemGoods
where inRangeSystems.Contains(g.CosmoSystem) &&
g.Good == good1.Good
orderby(g.PriceMultiplier) descending
select g.CosmoSystem).FirstOrDefault();
// Get references to the Good entities for all the SystemGoods sold in the target system
IEnumerable <Good> goodsInTargetSystem = targetSystem.SystemGoods.Select(g => g.Good);
// Get references to the Good entites for the all the SystemGoods sold in the current system
IEnumerable <Good> goodsInCurrentSystem = npcShip.CosmoSystem.SystemGoods.Select(g => g.Good);
// Do an intersetion of both, getting a list of goods sold in both systems
IEnumerable <Good> goodsInBoth = goodsInTargetSystem.Intersect(goodsInCurrentSystem);
// Look in the current system for goods sold in both, sorting by PriceMultiplier (lowest at top)
// and taking the top good in the results
SystemGood good2 = (from g in npcShip.CosmoSystem.SystemGoods
where goodsInBoth.Contains(g.Good) &&
g != good1
orderby g.PriceMultiplier ascending
select g).FirstOrDefault();
// This is the maximum number a Trader can purchase
numberCanBuy = Math.Floor((double)npcShip.Credits / good2.Price);
// This is the maximum number we want the Trader to purchase
numberToBuy = Math.Ceiling((double)npcShip.CargoSpaceFree);
// Make sure that the Trader buys as many of good1 as credits allow
numberBuying = (int)Math.Min(numberCanBuy, numberToBuy);
// Insures that Traders attempt to buy the proper number of good1
properNumber = (int)Math.Min(numberBuying, good2.Quantity);
try
{
good2.Buy(npcShip, properNumber, good2.Price);
}
catch (InvalidOperationException ex)
{
// Log this exception
ExceptionPolicy.HandleException(ex, "NPC Policy");
}
this.DoTravel(targetSystem);
// Set next travel time
this.npcRow.NextTravelTime = DateTime.UtcNow.AddSeconds(this.rnd.Next(60, 120));
}
else
{
Dictionary <string, object> props = new Dictionary <string, object>
{
{ "NpcId", this.npcRow.NpcId },
{ "NextTravelTime", this.npcRow.NextTravelTime },
{ "UtcNow", DateTime.UtcNow }
};
Logger.Write("Waiting for NextTravelTime", "NPC", 200, 0, TraceEventType.Verbose, "Trader Wait", props);
}
db.SaveChanges();
}
public void DoPendingNPCActions()
{
CosmoManager.DoPendingNPCActions(null);
}
public void GetDatabaseVersion()
{
Assert.That(CosmoManager.GetDatabaseVersion(), Is.GreaterThan(0), "Database Version should be greater than zero");
}
public void GetDbContext()
{
Assert.That(CosmoManager.GetDbContext(), Is.Not.Null, "We should always be able to get a database context");
}
/// <summary>
/// Balances the number of NPCs vs Active Players to keep the galaxy alive.
/// </summary>
public override void DoAction()
{
// Set next run time to 1 hour
if (!this.SetNextActionDelay(new TimeSpan(1, 0, 0)))
{
return;
}
// Balance Npcs
CosmoMongerDbDataContext db = CosmoManager.GetDbContext();
// Find the number of players active in the last hour on the galaxy
int activePlayerCount = (from p in db.Players
where p.LastPlayed > DateTime.UtcNow.AddHours(-1)
select p).Count();
// Calculate how many Npcs we need
int neededNpcs = NpcBalancer.TargetActivePlayers - activePlayerCount;
// Make sure we don't go below the min amount
neededNpcs = Math.Max(neededNpcs, NpcBalancer.MinNpcs);
// Grab the active NPCs we currently have
IQueryable <Npc> activeNpcs = (from n in db.Npcs
where n.NType == Npc.NpcType.Pirate ||
n.NType == Npc.NpcType.Police ||
n.NType == Npc.NpcType.Trader
select n);
// Calculate how many NPCs we need to create/delete
int npcAdjustment = neededNpcs - activeNpcs.Count();
if (npcAdjustment > 0)
{
while (npcAdjustment-- > 0)
{
// Produce NPCs
Npc newNpc = new Npc();
NpcBase npc = null;
// Which type will we produce?
Npc.NpcType[] npcTypes = { Npc.NpcType.Pirate, Npc.NpcType.Trader, Npc.NpcType.Police };
double[] npcProbablity = { NpcBalancer.PercentPirates, NpcBalancer.PercentTraders, NpcBalancer.PercentPolice };
newNpc.NType = this.rnd.SelectByProbablity(npcTypes, npcProbablity);
switch (newNpc.NType)
{
case Npc.NpcType.Pirate:
// Produce pirate
npc = new NpcPirate(newNpc);
break;
case Npc.NpcType.Trader:
// Produce trader
npc = new NpcTrader(newNpc);
break;
case Npc.NpcType.Police:
// Produce Police
npc = new NpcPolice(newNpc);
break;
default:
throw new InvalidOperationException("Unknown NpcType selected");
}
// Give the NPC a good name
string npcName = (from name in db.NpcNames
where name.NType == newNpc.NType &&
!(from n in db.Npcs
select n.Name)
.Contains(name.Name)
select name.Name).FirstOrDefault();
// Break out if we couldn't find a new name
if (npcName == null)
{
Logger.Write(newNpc.NType.ToString(), "NPC", 1000, 0, TraceEventType.Critical, "Out of NPC Names");
break;
}
// Give the NPC the cool name
newNpc.Name = npcName;
// Add to the database
db.Npcs.InsertOnSubmit(newNpc);
// Setup the NPC
npc.Setup();
db.SaveChanges();
}
}
else if (npcAdjustment < 0)
{
// TODO: Delete or inactive NPCs
/*
* // Query the NPCs to delete
* IQueryable<Npc> npcsToDelete = activeNpcs.Take(Math.Abs(npcAdjustment));
* if (npcsToDelete.Any())
* {
* // Remove the NPCs
* db.Npcs.DeleteAllOnSubmit(npcsToDelete);
*
* IQueryable<Ship> npcShips = (from n in activeNpcs
* select n.Ship);
* if (npcShips.Any())
* {
* IQueryable<ShipGood> npcShipGoods = (from g in db.ShipGoods
* where npcShips.Contains(g.Ship)
* select g);
* if (npcShipGoods.Any())
* {
* // Remove the ship goods
* db.ShipGoods.DeleteAllOnSubmit(npcShipGoods);
* }
*
* // Remove the ships
* db.Ships.DeleteAllOnSubmit(npcShips);
* }
* }
*/
}
db.SaveChanges();
}