/// <summary>
/// This method will produce a random city with the central region of the city being
/// specified as a parameter. More parameters need to be made available for this method
/// to produce a better quality city, note for now the minimum area for a city is a
/// 3x3 grid of regions. This code is based on the original C++ version called pixel city.
/// </summary>
/// <param name="seed_value">Random integer seed value.</param>
/// <returns>true / false indicator of success or failure.</returns>
private bool doGenerate(int seed_value)
{
int rx, ry;
// Based on the initial seed value populate the regions that this shared module
// is connected to, this means first get a list of the region, determine which
// region is in the center of all the regions and set this as the hotzone, or
// central part of the city (this is where the tallest/largest buildings will
// be created) and will extend out to cover virtually all of the connected
// regions if desired. No support for aging of the buildings or the city exists
// yet it is a possible course for the future of this module.
// First quick check to see if the module is enabled or not.
if (!m_fEnabled)
{
m_log.Info("[CITY BUILDER]: Disabled, aborting auto generation.");
return(false);
}
m_log.Info("[CITY BUILDER]: Auto generating the city.");
// Now we need to ask some basic values for the city generation, we already have
// the base seed value as this is part of the 'city generate' command, now what
// about a name, position, size, densities etc. Some of this can be generated
// based on the seed value, but then, it would need to be confirmed by the user
// or allow them to change it. TODO move all requested data into the configuration file.
if (m_UserAccountService == null)
{
m_UserAccountService = simulationBase.ApplicationRegistry.RequestModuleInterface <IUserAccountService>();
}
// Decide where the city is to be placed within the server instance.
int r = this.randomValue(10);
string regionCount = MainConsole.Instance.CmdPrompt("Region Count ", r.ToString());
r = Convert.ToInt32(regionCount);
m_log.InfoFormat("[CITY BUILDER]: City area {0} x {1} regions ", r, r);
cityName = MainConsole.Instance.CmdPrompt("City Name ", cityName);
cityOwner = MainConsole.Instance.CmdPrompt("City Owner ", cityOwner);
m_DefaultUserName = cityOwner;
// Make sure that the user and estate information specified in the configuration file
// have been loaded and the information has either been found or has been created.
m_DefaultUserAccount = m_UserAccountService.GetUserAccount(UUID.Zero, cityOwner);
if (m_DefaultUserAccount == null)
{
m_log.InfoFormat("[CITY BUILDER]: Creating default account {0}", m_DefaultUserName);
m_UserAccountService.CreateUser(m_DefaultUserName, Util.Md5Hash(m_DefaultUserPword), m_DefaultUserEmail);
m_DefaultUserAccount = m_UserAccountService.GetUserAccount(UUID.Zero, m_DefaultUserName);
cityOwner = m_DefaultUserName;
}
else
{
m_log.InfoFormat("[CITY BUILDER]: Account found for {0}", m_DefaultUserName);
}
// Obtain the scene manager that the server instance is using.
sceneManager = simulationBase.ApplicationRegistry.RequestModuleInterface <SceneManager>();
// Construct the data instance for a city map to hold the total regions in the simulation.
cityMap = new CityMap();
citySeed = seed_value;
cityMap.cityRegions = new Scene[r, r];
cityMap.cityPlots = new List <BuildingPlot>();
cityMap.cityBuildings = new List <CityBuilding>();
// Construct land and estate data and update to reflect the found user or the newly created one.
cityLandData = new LandData();
RegionInfo regionInfo = new RegionInfo();
regionInfo.RegionID = UUID.Random();
//Create an estate
m_DefaultEstate = new EstateSettings();
m_log.InfoFormat("[CITY BUILDER]: No estates found for user {0}, constructing default estate.", m_DefaultUserAccount.Name);
m_DefaultEstate.EstateOwner = m_DefaultUserAccount.PrincipalID;
m_DefaultEstate.EstateName = m_DefaultEstateName;
m_DefaultEstate.EstatePass = Util.Md5Hash(Util.Md5Hash(m_DefaultEstatePassword));
m_DefaultEstate.EstateID = (uint)this.randomValue(1000);
regionInfo.EstateSettings = m_DefaultEstate; //Just set the estate, this module took care of the loading and the rest will leave it alone
cityLandData.OwnerID = m_DefaultUserAccount.PrincipalID;
cityLandData.Name = m_DefaultEstateName;
cityLandData.GlobalID = UUID.Random();
cityLandData.GroupID = UUID.Zero;
int regionPort = startPort;
// Construct the region.
regionInfo.RegionSizeX = cityConfig.GetInt("DefaultRegionSize", 256);
regionInfo.RegionSizeY = regionInfo.RegionSizeX;
regionInfo.RegionType = "Mainland";
regionInfo.ObjectCapacity = 100000;
regionInfo.Startup = StartupType.Normal;
regionInfo.ScopeID = UUID.Zero;
IParcelServiceConnector parcelService = Aurora.DataManager.DataManager.RequestPlugin <IParcelServiceConnector>();
if (r == 1)
{
m_log.Info("[CITY BUILDER]: Single region city.");
IPAddress address = IPAddress.Parse("0.0.0.0");
regionInfo.ExternalHostName = Aurora.Framework.Utilities.GetExternalIp();
regionInfo.FindExternalAutomatically = true;
regionInfo.InternalEndPoint = new IPEndPoint(address, regionPort++);
cityLandData.RegionID = regionInfo.RegionID;
if (parcelService != null)
{
parcelService.StoreLandObject(cityLandData.LandData);
}
regionInfo.RegionName = "Region00";
regionInfo.RegionLocX = (int)m_DefaultStartLocation.X;
regionInfo.RegionLocY = (int)m_DefaultStartLocation.Y;
if (!createRegion(0, 0, regionInfo))
{
m_log.Info("[CITY BUILDER]: Failed to construct region.");
return(false);
}
}
else if (r > 1)
{
m_log.Info("[CITY BUILDER]: Multi-region city.");
IPAddress address = IPAddress.Parse("0.0.0.0");
regionInfo.ExternalHostName = Aurora.Framework.Utilities.GetExternalIp();
regionInfo.FindExternalAutomatically = true;
// Construct the regions for the city.
regionPort = startPort;
for (rx = 0; rx < r; rx++)
{
for (ry = 0; ry < r; ry++)
{
regionInfo.InternalEndPoint = new IPEndPoint(address, regionPort++);
cityLandData.RegionID = regionInfo.RegionID;
if (parcelService != null)
{
parcelService.StoreLandObject(cityLandData.LandData);
}
regionInfo.RegionName = "Region" + rx + ry;
regionInfo.RegionLocX = (int)(m_DefaultStartLocation.X + rx);
regionInfo.RegionLocY = (int)(m_DefaultStartLocation.Y + ry);
m_log.InfoFormat("[CITY BUILDER]: '{0}' @ {1},{2}, http://{3}/", regionInfo.RegionName,
regionInfo.RegionLocX, regionInfo.RegionLocY, regionInfo.InternalEndPoint);
//We already set the estate before, we don't need to deal with linking it or anything
//EstateConnector.LinkRegion(regionInfo.RegionID, (int)m_DefaultEstate.EstateID, m_DefaultEstate.EstatePass);
if (!createRegion(rx, ry, regionInfo))
{
m_log.InfoFormat("[CITY BUILDER]: Failed to construct region at {0},{1}", rx, ry);
return(false);
}
}
}
}
// Either generate the terrain or loading from an existing file, DEM for example.
m_log.Info("[CITY BUILDER]: [TERRAIN]");
// For each region, just fill the terrain to be 21. This is just above the default
// water level for Aurora.
float[,] tHeight = new float[256, 256];
for (rx = 0; rx < 256; rx++)
{
for (ry = 0; ry < 256; ry++)
{
tHeight[rx, ry] = 21.0f;
}
}
// Construct the new terrain for each region and pass the height map to it.
for (rx = 0; rx < r; rx++)
{
for (ry = 0; ry < r; ry++)
{
Scene region = cityMap.cityRegions[rx, ry];
ITerrainChannel tChannel = new TerrainChannel(true, region);
ITerrain terrain = null;
try
{
region.TryRequestModuleInterface <ITerrain>(out terrain);
terrain.SetHeights2D(tHeight);
}
catch
{
}
}
}
// Rivers and other waterways.
// From the total number of regions pick a number of regions that will be 'centers'
// for the entire city, record these in the centralRegions list.
m_log.Info("[CITY BUILDER]: [CENTERS]");
// ( region count * region count ) / 3
int aNum = this.randomValue((cityMap.cityRegions.GetUpperBound(0) * cityMap.cityRegions.GetUpperBound(1)) / 3);
if (aNum == 0)
{
aNum = 1;
}
m_log.InfoFormat("[CITY BUILDER]: Total regions {0}, selecting {1} regions for centers.", (r * r), aNum);
int prevRegionX = 0;
int prevRegionY = 0;
while (aNum > 0)
{
int currRegionX = randomValue(cityMap.cityRegions.GetUpperBound(0)) / 2;
int currRegionY = randomValue(cityMap.cityRegions.GetUpperBound(1)) / 2;
// If the location selected is the same as the previous location try again.
if (currRegionX == prevRegionX && currRegionY == prevRegionY)
{
aNum--;
continue;
}
m_log.InfoFormat("[CITY BUILDER]: Region {0}, located {1},{2}", aNum, prevRegionX, prevRegionY);
try
{
Scene region = cityMap.centralRegions[(prevRegionX * cityMap.cityRegions.GetUpperBound(0)) + prevRegionY];
if (region != null)
{
cityMap.centralRegions.Add(region);
}
}
catch
{
}
aNum--;
prevRegionX = currRegionX;
prevRegionY = currRegionY;
}
m_log.Info("[CITY BUILDER]: [DENSITY]");
float avgDensity = 0.0f;
avgDensity += cityDensities[0];
avgDensity += cityDensities[1];
avgDensity += cityDensities[2];
avgDensity += cityDensities[3];
avgDensity /= 4;
// Before ANYTHING else is created construct the transport systems, priority is given
// to the road network before the rail network, perhaps a configuration option to allow
// for the prioritisation value of the transport system is possible.
m_log.Info("[CITY BUILDER]: [FREEWAYS]");
m_log.Info("[CITY BUILDER]: [HIGHWAYS]");
m_log.Info("[CITY BUILDER]: [STREETS]");
m_log.Info("[CITY BUILDER]: [RAILWAYS]");
m_log.InfoFormat("[CITY BUILDER]: [RESIDENTIAL DENSITY] {0}%", cityDensities[0] * 100);
m_log.InfoFormat("[CITY BUILDER]: [COMMERCIAL DENSITY] {0}%", cityDensities[1] * 100);
m_log.InfoFormat("[CITY BUILDER]: [CORPORATE DENSITY] {0}%", cityDensities[2] * 100);
m_log.InfoFormat("[CITY BUILDER]: [INDUSTRIAL DENISTY] {0}%", cityDensities[3] * 100);
m_log.InfoFormat("[CITY BUILDER]: [AVERAGE DENSITY] {0}%", avgDensity);
m_log.Info("[CITY BUILDER]: [BLOCKS]");
m_log.Info("[CITY BUILDER]: [ALLOTMENT PLOTS]");
m_log.Info("[CITY BUILDER]: [BUILDINGS]");
return(true);
}