コード例 #1
0
/// Retrieve the relative value of this plot (including plots that would be in city radius)
int CvCitySiteEvaluator::PlotFoundValue(CvPlot* pPlot, CvPlayer* pPlayer, YieldTypes eYield, bool)
{
	CvAssert(pPlot);
	if(!pPlot)
		return 0;

	// Make sure this player can even build a city here
	if(!CanFound(pPlot, pPlayer, false))
	{
		return 0;
	}

	int rtnValue = 0;

	int iFoodValue = 0;
	int iHappinessValue = 0;
	int iProductionValue = 0;
	int iGoldValue = 0;
	int iScienceValue = 0;
	int iFaithValue = 0;
	int iResourceValue = 0;
	int iStrategicValue = 0;

	int iCelticForestCount = 0;
	int iIroquoisForestCount = 0;
	int iBrazilJungleCount = 0;
	int iNaturalWonderCount = 0;
	int iDesertCount = 0;
	int iWetlandsCount = 0;
#if defined(MOD_BALANCE_CORE_SETTLER)
	int iWaterPlot = 0;
	int iBadPlot = 0;
	int iLoopPlots = 0;
#endif

	int iTotalFoodValue = 0;
	int iTotalHappinessValue = 0;
	int iTotalProductionValue = 0;
	int iTotalGoldValue = 0;
	int iTotalScienceValue = 0;
	int iTotalFaithValue = 0;
	int iTotalResourceValue = 0;
	int iTotalStrategicValue = 0;

	int iClosestCityOfMine = 999;
	int iClosestEnemyCity = 999;

	int iCapitalArea = NULL;

	bool bIsInca = false;
	int iAdjacentMountains = 0;

	if ( pPlayer->getCapitalCity() )
		iCapitalArea = pPlayer->getCapitalCity()->getArea();

	// Custom code for Inca ideal terrace farm locations
	ImprovementTypes eIncaImprovement = (ImprovementTypes)GC.getInfoTypeForString("IMPROVEMENT_TERRACE_FARM", true);  
	if(eIncaImprovement != NO_IMPROVEMENT)
	{
		CvImprovementEntry* pkEntry = GC.getImprovementInfo(eIncaImprovement);
		if(pkEntry != NULL && pkEntry->IsSpecificCivRequired())
		{
			CivilizationTypes eCiv = pkEntry->GetRequiredCivilization();
			if(eCiv == pPlayer->getCivilizationType())
			{
				bIsInca = true;
			}
		}
	}

	for (int iDX = -7; iDX <= 7; iDX++)
	{
		for (int iDY = -7; iDY <= 7; iDY++)
		{
			CvPlot* pLoopPlot = plotXY(pPlot->getX(), pPlot->getY(), iDX, iDY);

			if (pLoopPlot != NULL)
			{
				int iDistance = plotDistance(pPlot->getX(), pPlot->getY(), pLoopPlot->getX(), pLoopPlot->getY());
				if (iDistance <= 7)
				{
					if ((pLoopPlot->getOwner() == NO_PLAYER) || (pLoopPlot->getOwner() == pPlayer->GetID()))
					{
						// See if there are other cities nearby
						if (iClosestCityOfMine > iDistance)
						{
							if (pLoopPlot->isCity())
							{
								iClosestCityOfMine = iDistance;
							}
						}

						// Skip the city plot itself for now
						if (iDistance <= 5)
						{
							int iRingModifier = m_iRingModifier[iDistance];

							iFoodValue = 0;
							iProductionValue = 0;
							iGoldValue = 0;
							iScienceValue = 0;
							iHappinessValue = 0;
							iResourceValue = 0;
							iStrategicValue = 0;

#if defined(MOD_GLOBAL_CITY_WORKING)
							if (iDistance > 0 && iDistance <= pPlayer->getWorkPlotDistance())
#else	
							if (iDistance > 0 && iDistance <= NUM_CITY_RINGS)
#endif
							{
								if (eYield == NO_YIELD || eYield == YIELD_FOOD)
								{
									iFoodValue = iRingModifier * ComputeFoodValue(pLoopPlot, pPlayer) * /*15*/ GC.getSETTLER_FOOD_MULTIPLIER();
								}
								if (eYield == NO_YIELD || eYield == YIELD_PRODUCTION)
								{
									iProductionValue = iRingModifier * ComputeProductionValue(pLoopPlot, pPlayer) * /*3*/ GC.getSETTLER_PRODUCTION_MULTIPLIER();
								}
								if (eYield == NO_YIELD || eYield == YIELD_GOLD)
								{
									iGoldValue = iRingModifier * ComputeGoldValue(pLoopPlot, pPlayer) * /*2*/ GC.getSETTLER_GOLD_MULTIPLIER();
								}
								if (eYield == NO_YIELD || eYield == YIELD_SCIENCE)
								{
									iScienceValue = iRingModifier * ComputeScienceValue(pLoopPlot, pPlayer) * /*1*/ GC.getSETTLER_SCIENCE_MULTIPLIER();
								}
								if (eYield == NO_YIELD || eYield == YIELD_FAITH)
								{
									iFaithValue = iRingModifier * ComputeFaithValue(pLoopPlot, pPlayer) * /*1*/ GC.getSETTLER_FAITH_MULTIPLIER();
								}
							}

							// whether or not we are working these we get the benefit as long as culture can grow to take them
							if (iDistance <= 5 && pLoopPlot->getOwner() == NO_PLAYER) // there is no benefit if we already own these tiles
							{
								iHappinessValue = iRingModifier * ComputeHappinessValue(pLoopPlot, pPlayer) * /*6*/ GC.getSETTLER_HAPPINESS_MULTIPLIER();
								iResourceValue = iRingModifier * ComputeTradeableResourceValue(pLoopPlot, pPlayer) * /*1*/ GC.getSETTLER_RESOURCE_MULTIPLIER();
								if (iDistance)
									iStrategicValue = ComputeStrategicValue(pLoopPlot, pPlayer, iDistance) * /*1*/ GC.getSETTLER_STRATEGIC_MULTIPLIER();  // the ring is included in the computation
							}

							iTotalFoodValue += iFoodValue;
							iTotalHappinessValue += iHappinessValue;
							iTotalProductionValue += iProductionValue;
							iTotalGoldValue += iGoldValue;
							iTotalScienceValue += iScienceValue;
							iTotalFaithValue += iFaithValue;
							iTotalResourceValue += iResourceValue;
							iTotalStrategicValue += iStrategicValue;

							int iPlotValue = iFoodValue + iHappinessValue + iProductionValue + iGoldValue + iScienceValue + iFaithValue + iResourceValue;
							
							if (iPlotValue == 0)
							{
								// this tile is so bad it gets negatives
								iPlotValue -= iRingModifier * GC.getSETTLER_FOOD_MULTIPLIER() * 2;
							}
							iPlotValue += iStrategicValue;

							// if this tile is a NW boost the value just so that we force the AI to claim them (if we can work it)
#if defined(MOD_GLOBAL_CITY_WORKING)
							if (pLoopPlot->IsNaturalWonder() && iDistance > 0 && iDistance <= pPlayer->getWorkPlotDistance())
#else	
							if (pLoopPlot->IsNaturalWonder() && iDistance > 0 && iDistance <= NUM_CITY_RINGS)
#endif
							{
								//iPlotValue += iPlotValue * 2 + 10;
								iPlotValue += iPlotValue * 2 + 500;
							}

							// lower value a lot if we already own this tile
							if (iPlotValue > 0 && pLoopPlot->getOwner() == pPlayer->GetID())
							{
#if defined(MOD_BALANCE_CORE_SETTLER)
								if (MOD_BALANCE_CORE_SETTLER) 
								{
									iPlotValue *= 2;
									iPlotValue /= 3;
								}
#else
								iPlotValue /= 4;
#endif
							}

							// add this plot into the total
							rtnValue += iPlotValue;

							FeatureTypes ePlotFeature = pLoopPlot->getFeatureType();
							ImprovementTypes ePlotImprovement = pLoopPlot->getImprovementType();
							ResourceTypes ePlotResource = pLoopPlot->getResourceType();

							if (ePlotFeature == FEATURE_FOREST)
							{
								if (iDistance <= 5)
								{
									++iIroquoisForestCount;
									if (iDistance == 1)
									{
										if (ePlotImprovement == NO_IMPROVEMENT)
										{
											++iCelticForestCount;
										}
									}
								}
							}
							else if (ePlotFeature == FEATURE_JUNGLE)
							{
#if defined(MOD_GLOBAL_CITY_WORKING)
								if (iDistance <= pPlayer->getWorkPlotDistance())
#else	
								if (iDistance <= NUM_CITY_RINGS)
#endif
								{
									++iBrazilJungleCount;
								}
							}
							else if (ePlotFeature == FEATURE_MARSH || ePlotFeature == FEATURE_FLOOD_PLAINS)
							{
#if defined(MOD_GLOBAL_CITY_WORKING)
								if (iDistance <= pPlayer->getWorkPlotDistance())
#else	
								if (iDistance <= NUM_CITY_RINGS)
#endif
								{
									++iWetlandsCount;
								}
							}

							if (pLoopPlot->IsNaturalWonder())
							{
								if (iDistance <= 1)
								{
									++iNaturalWonderCount;
								}
							}

							if (pLoopPlot->getTerrainType() == TERRAIN_DESERT)
							{
#if defined(MOD_GLOBAL_CITY_WORKING)
								if (iDistance <= pPlayer->getWorkPlotDistance())
#else	
								if (iDistance <= NUM_CITY_RINGS)
#endif
								{
									if (ePlotResource == NO_RESOURCE)
									{
										++iDesertCount;
									}
								}
							}

							if (bIsInca)
							{
								if (pLoopPlot->isHills())
								{
#if defined(MOD_GLOBAL_CITY_WORKING)
								if (iDistance <= pPlayer->getWorkPlotDistance())
#else	
								if (iDistance <= NUM_CITY_RINGS)
#endif
									{
										iAdjacentMountains = pLoopPlot->GetNumAdjacentMountains();
										if (iAdjacentMountains > 0 && iAdjacentMountains < 6)
										{
											//give the bonus if it's hills, with additional if bordered by mountains
											rtnValue += m_iIncaMultiplier + (iAdjacentMountains * m_iIncaMultiplier);
										}
									}
									
								}
							}
#if defined(MOD_BALANCE_CORE_SETTLER)
							if (MOD_BALANCE_CORE_SETTLER) 
							{
								if(pLoopPlot->isWater() && pLoopPlot->HasResource(NO_RESOURCE))
								{
									iWaterPlot++;
								}
								if(pLoopPlot == NULL || pLoopPlot->isImpassable() || pLoopPlot->getTerrainType() == TERRAIN_SNOW || pLoopPlot->getFeatureType() == FEATURE_ICE)
								{
									iBadPlot++;
								}
							}
#endif	
						}
					}
					else // this tile is owned by someone else
					{
						// See if there are other cities nearby (only count major civs)
						if (iClosestEnemyCity > iDistance)
						{
							if (pLoopPlot->isCity() && (pLoopPlot->getOwner() < MAX_MAJOR_CIVS))
							{
								iClosestEnemyCity = iDistance;
							}
						}
					}
				}
			}
#if defined(MOD_BALANCE_CORE_SETTLER)
			if (MOD_BALANCE_CORE_SETTLER) 
			{
				iLoopPlots++;
			}
#endif
		}
	}

	if (pPlayer->GetPlayerTraits()->IsFaithFromUnimprovedForest())
	{
		if (iCelticForestCount >= 3)
		{
			rtnValue += 2 * 1000 * m_iFlavorMultiplier[YIELD_FAITH];
		}
		else if (iCelticForestCount >= 1)
		{
			rtnValue += 1 * 1000 * m_iFlavorMultiplier[YIELD_FAITH];
		}
	}
	else if (pPlayer->GetPlayerTraits()->IsMoveFriendlyWoodsAsRoad())
	{
		rtnValue += iIroquoisForestCount * 10;	
	}
	else if (pPlayer->GetPlayerTraits()->GetNaturalWonderYieldModifier() > 0)	//ie: Spain
	{
		rtnValue += iNaturalWonderCount * m_iSpainMultiplier;	
	}

	// Custom code for Brazil
	ImprovementTypes eBrazilImprovement = (ImprovementTypes)GC.getInfoTypeForString("IMPROVEMENT_BRAZILWOOD_CAMP", true);  
	if(eBrazilImprovement != NO_IMPROVEMENT)
	{
		CvImprovementEntry* pkEntry = GC.getImprovementInfo(eBrazilImprovement);
		if(pkEntry != NULL && pkEntry->IsSpecificCivRequired())
		{
			CivilizationTypes eCiv = pkEntry->GetRequiredCivilization();
			if(eCiv == pPlayer->getCivilizationType())
			{
				rtnValue += iBrazilJungleCount * m_iBrazilMultiplier;
			}
		}
	}

	// Custom code for Morocco
	ImprovementTypes eMoroccoImprovement = (ImprovementTypes)GC.getInfoTypeForString("IMPROVEMENT_KASBAH", true);  
	if(eMoroccoImprovement != NO_IMPROVEMENT)
	{
		CvImprovementEntry* pkEntry = GC.getImprovementInfo(eMoroccoImprovement);
		if(pkEntry != NULL && pkEntry->IsSpecificCivRequired())
		{
			CivilizationTypes eCiv = pkEntry->GetRequiredCivilization();
			if(eCiv == pPlayer->getCivilizationType())
			{
				rtnValue += iDesertCount * m_iMorrocoMultiplier;
			}
		}
	}

	//Custom code for Netherlands
	ImprovementTypes ePolderImprovement = (ImprovementTypes)GC.getInfoTypeForString("IMPROVEMENT_POLDER", true);  
	if(ePolderImprovement != NO_IMPROVEMENT)
	{
		CvImprovementEntry* pkEntry = GC.getImprovementInfo(ePolderImprovement);
		if(pkEntry != NULL && pkEntry->IsSpecificCivRequired())
		{
			CivilizationTypes eCiv = pkEntry->GetRequiredCivilization();
			if(eCiv == pPlayer->getCivilizationType())
			{
				rtnValue += iWetlandsCount * m_iNetherlandsMultiplier;
			}
		}
	}

	if (rtnValue < 0) rtnValue = 0;

	// Finally, look at the city plot itself and use it as an overall multiplier
	if (pPlot->getResourceType(pPlayer->getTeam()) != NO_RESOURCE)
	{
		rtnValue += (int)rtnValue * /*-50*/ GC.getBUILD_ON_RESOURCE_PERCENT() / 100;
	}

	if (pPlot->isRiver())
	{
		rtnValue += (int)rtnValue * /*15*/ GC.getBUILD_ON_RIVER_PERCENT() / 100;
	}

	if (pPlot->isCoastalLand(GC.getMIN_WATER_SIZE_FOR_OCEAN()))
	{
		// okay, coast used to have lots of gold so players settled there "naturally", it doesn't any more, so I am going to give it a nudge in that direction
		// slewis - removed Brian(?)'s rtnValue adjustment and raised the BUILD_ON_COAST_PERCENT to 40 from 25
		//rtnValue += rtnValue > 0 ? 10 : 0;
		rtnValue += (int)rtnValue * /*40*/ GC.getSETTLER_BUILD_ON_COAST_PERCENT() / 100;
		int iNavalFlavor = pPlayer->GetGrandStrategyAI()->GetPersonalityAndGrandStrategy((FlavorTypes)m_iNavalIndex);
		if (iNavalFlavor > 7)
		{
			rtnValue += (int)rtnValue * /*40*/ GC.getSETTLER_BUILD_ON_COAST_PERCENT() / 100;
		}
		if (pPlayer->getCivilizationInfo().isCoastalCiv()) // we really like the coast (England, Norway, Polynesia, Carthage, etc.)
		{
			rtnValue += rtnValue > 0 ? 25 : 0;
			rtnValue *= 2;
		}
	}
#if defined(MOD_BALANCE_CORE_SETTLER)
	if (MOD_BALANCE_CORE_SETTLER) 
	{
		//Is this a water chokepoint? (More than four would make this a peninsula, which is not what we are looking for.)
		if(pPlot->IsChokePoint(true, false, 0))
		{
			rtnValue += (int)rtnValue * /*100*/ GC.getBALANCE_CHOKEPOINT_STRATEGIC_VALUE() / 100;
		}
		//Looking for mountains for chokepoints.
		//If the adjacent plot is not touching another mountain, and there is more than one mountain around pPlot, we've found a potential chokepoint.
		else if(pPlot->IsChokePoint(false, true, 1))
		{
			//Awesome, we found a mountain chokepoint within 1. Emphasize!
			rtnValue += (int)rtnValue * /*100*/ GC.getBALANCE_CHOKEPOINT_STRATEGIC_VALUE() / 75;
		}
		else if(pPlot->IsChokePoint(false, true, 2))
		{
			//Awesome, we found a mountain chokepoint within 2. Emphasize!
			rtnValue += (int)rtnValue * /*100*/ GC.getBALANCE_CHOKEPOINT_STRATEGIC_VALUE() / 100;
		}
		else if(pPlot->IsChokePoint(false, true, 3))
		{
			//Awesome, we found a mountain chokepoint within 3. Emphasize!
			rtnValue += (int)rtnValue * /*100*/ GC.getBALANCE_CHOKEPOINT_STRATEGIC_VALUE() / 125;
		}
		//Too many bad plots?
		if(iBadPlot > (iLoopPlots / 4))
		{
			rtnValue /= 5;
		}
		//Too much empty water?
		if(iWaterPlot > (iLoopPlots / 2))
		{
			rtnValue *= 2;
			rtnValue /= 3;
		}
	}
	//Let's see what we can do. (Strategic site locator pulled from below - less loop cycles used this way, as all we care about is the city plot itself, not every plot in the city's loop.
	if(pPlayer != NULL)
	{
		for(int iMajorLoop = 0; iMajorLoop < MAX_MAJOR_CIVS; iMajorLoop++)
		{
			PlayerTypes eOtherPlayer = (PlayerTypes) iMajorLoop;
			PlayerProximityTypes eProximity = GET_PLAYER(eOtherPlayer).GetProximityToPlayer(pPlayer->GetID());
			if(eOtherPlayer != pPlayer->GetID() && eOtherPlayer != NO_PLAYER && GET_PLAYER(eOtherPlayer).isAlive() && !GET_PLAYER(eOtherPlayer).isMinorCiv() && !GET_PLAYER(eOtherPlayer).isBarbarian())
			{
				if(eProximity >= PLAYER_PROXIMITY_CLOSE)
				{
					CvCity* pLoopTheirCity;
					int iClosestDistance = 6;
					int iDistance = 0;
					int iLoop;
					for(pLoopTheirCity = GET_PLAYER(eOtherPlayer).firstCity(&iLoop); pLoopTheirCity != NULL; pLoopTheirCity = GET_PLAYER(eOtherPlayer).nextCity(&iLoop))
					{
						if(pLoopTheirCity != NULL)
						{
							if(pPlot->getArea() == pLoopTheirCity->getArea())
							{
								iDistance = plotDistance(pPlot->getX(), pPlot->getY(), pLoopTheirCity->getX(), pLoopTheirCity->getY());
								
								if(iDistance <= iClosestDistance)
								{
									//There's at least 6 hexes between these plots, which means we can theoretically settle here.
									int iNumPlots = 0;
									int iNumBadPlots = 0;

									for(int iDX = -iClosestDistance; iDX <= iClosestDistance; iDX++)
									{
										for(int iDY = -iClosestDistance; iDY <= iClosestDistance; iDY++)
										{
											CvPlot* pLoopPlot = plotXYWithRangeCheck(pPlot->getX(), pPlot->getY(), iDX, iDY, iClosestDistance);
											if(pLoopPlot)
											{
												//Let's look for good, empty land.
												if(pLoopPlot->isImpassable() || pLoopPlot->isWater() || pLoopPlot->getOwner() != NO_PLAYER) 
												{
													iNumBadPlots++;
												}
													iNumPlots++;
											}
										}
									}
									if(iNumBadPlots > 0)
									{
										iNumBadPlots = (iNumBadPlots * 130) / 100;
									}
									//Good space must be greater than bad plots by at least 30%
									if(iNumPlots > iNumBadPlots)
									{
										//If there is significant empty land, and it is within the theoretical hex separation of the nearest two cities of two different players, there's a good chance it is border land. GET IT!
										rtnValue += (int)rtnValue * /*50*/ GC.getBALANCE_EMPIRE_BORDERLAND_STRATEGIC_VALUE() / 100;
										break;
									}
								}
							}
						}
					}
				}
			}
		}
	}
#endif

	// Nearby Cities?

	// Human
	if (pPlayer != NULL && pPlayer->isHuman())
	{
		if (iClosestCityOfMine == 3)
		{
			rtnValue /= 2;
		}
	}
	// AI
	else
	{
		int iGrowthFlavor = pPlayer->GetGrandStrategyAI()->GetPersonalityAndGrandStrategy((FlavorTypes)m_iGrowthIndex);
		int iExpansionFlavor = pPlayer->GetGrandStrategyAI()->GetPersonalityAndGrandStrategy((FlavorTypes)m_iExpansionIndex);

		int iSweetSpot = 5;
		iSweetSpot += (iGrowthFlavor > 7) ?  1 : 0;
		iSweetSpot += (iExpansionFlavor > 7) ?  -1 : 0;
		iSweetSpot += (iGrowthFlavor < 4) ?  -1 : 0;
		iSweetSpot += (iExpansionFlavor < 4) ?  1 : 0;
		iSweetSpot = max(4,iSweetSpot);
		iSweetSpot = min(6,iSweetSpot);

		if (iClosestCityOfMine == iSweetSpot) 
		{
			// 1.5 was not enough 2.0 was too much, so lets split the difference
			rtnValue *= 175;
			rtnValue /= 100;
		}
		else if (iClosestCityOfMine < iSweetSpot)
		{
			rtnValue /= 2;
		}
		else if (iClosestCityOfMine > 7)
		{
			rtnValue *= 2;
			rtnValue /= 3;
		}

		// use boldness to decide if we want to push close to enemies
		int iBoldness = pPlayer->GetDiplomacyAI()->GetBoldness();
		if (iBoldness < 4)
		{
			if (iClosestEnemyCity <= 4)
			{
				rtnValue /= 4;
			}
			else if (iClosestEnemyCity == 5)
			{
				rtnValue /= 2;
			}
		}
		else if (iBoldness > 7)
		{
			if (iClosestEnemyCity <= 5 && iClosestCityOfMine < 8)
			{
				rtnValue *= 3;
				rtnValue /= 2;
			}
		}
		else
		{
			if (iClosestEnemyCity < 5)
			{
				rtnValue *= 2;
				rtnValue /= 3;
			}
		}

		// if we are offshore, pull cities in tighter
		if (iCapitalArea != pPlot->getArea())
		{
			if (iClosestCityOfMine < 7)
			{
				rtnValue *= 3;
				rtnValue /= 2;
			}
		}
#if defined(MOD_BALANCE_CORE_SETTLER)
	if (MOD_BALANCE_CORE_SETTLER) 
		{
			//Let's judge just how well we can defend this city if we push out. If our neighbors are stronger than us, let's turtle a bit.
			for(int iMajorLoop = 0; iMajorLoop < MAX_MAJOR_CIVS; iMajorLoop++)
			{
				PlayerTypes eOtherPlayer = (PlayerTypes) iMajorLoop;
				if(eOtherPlayer != NO_PLAYER && GET_PLAYER(eOtherPlayer).isAlive() && !GET_PLAYER(eOtherPlayer).isMinorCiv() && !GET_PLAYER(eOtherPlayer).isBarbarian())
				{
					PlayerProximityTypes eProximity = GET_PLAYER(eOtherPlayer).GetProximityToPlayer(pPlayer->GetID());
					if(eProximity == PLAYER_PROXIMITY_NEIGHBORS && (pPlayer->GetMilitaryMight() < GET_PLAYER(eOtherPlayer).GetMilitaryMight()))
					{
						//Is the plot we're looking at in the same area as our strong neighbor?
						if (iClosestEnemyCity <= 6)
						{
							rtnValue /= 2;
						}
					}
				}
			}
		}
#endif
	}

	rtnValue = (rtnValue > 0) ? rtnValue : 0;

	return rtnValue;
}
コード例 #2
0
bool CvSelectionGroupAI::AI_tradeRoutes()
{
	PROFILE_FUNC();

	const IDInfo kEurope(getOwnerINLINE(), CvTradeRoute::EUROPE_CITY_ID);

	CvCity* pPlotCity = plot()->getPlotCity();
	CvPlayerAI& kOwner = GET_PLAYER(getOwnerINLINE());
	std::set<int>::iterator it;

	std::map<IDInfo, int> cityValues;

	std::vector<CvTradeRoute*> routes;
	std::vector<int> routeValues;

	std::vector<bool> yieldsDelivered(NUM_YIELD_TYPES, false);
	std::vector<bool> yieldsToUnload(NUM_YIELD_TYPES, false);
	std::vector<int> yieldsOnBoard(NUM_YIELD_TYPES, false);

	if (!isHuman() || (getAutomateType() == AUTOMATE_TRANSPORT_FULL))
	{
		std::vector<CvTradeRoute*> aiRoutes;
		kOwner.getTradeRoutes(aiRoutes);
		for (uint i = 0; i < aiRoutes.size(); ++i)
		{
			CvTradeRoute* pRoute = aiRoutes[i];

			// transport feeder - start - Nightinggale
			CvCity* pDestinationCity = ::getCity(pRoute->getDestinationCity());
			if (pDestinationCity != NULL && pDestinationCity->isAutoImportStopped(pRoute->getYield()))
			{
				// ignore trade routes where destination is using feeder service and is full
				continue;
			}
			// transport feeder - end - Nightinggale

			// traderoute fix - start - Nightinggale
			if (isHuman() && pRoute->getDestinationCity().eOwner != getOwnerINLINE())
			{
				// humans can't transport to allied cities with fully automated transports
				continue;
			}
			// traderoute fix - end - Nightinggale

			CvCity* pSourceCity = ::getCity(pRoute->getSourceCity());
			CvArea* pSourceWaterArea = pSourceCity->waterArea();
			if ((pSourceCity != NULL) && ((getDomainType() != DOMAIN_SEA) || (pSourceWaterArea != NULL)))
			{
				int iSourceArea = (getDomainType() == DOMAIN_SEA) ? pSourceWaterArea->getID() : pSourceCity->getArea();
				if (getDomainType() == DOMAIN_SEA ? plot()->isAdjacentToArea(iSourceArea) : (iSourceArea == getArea()))
				{
					if ((getDomainType() == DOMAIN_SEA) || (pRoute->getDestinationCity() != kEurope))
					{
						routes.push_back(pRoute);
						routeValues.push_back(0);

						yieldsDelivered[pRoute->getYield()] = true;

						if (pPlotCity != NULL && ::getCity(pRoute->getDestinationCity()) == pPlotCity)
						{
							yieldsToUnload[pRoute->getYield()] = true;
						}


						cityValues[pRoute->getSourceCity()] = 0;
						cityValues[pRoute->getDestinationCity()] = 0;
					}
				}
			}
		}
	}
	else
	{
		for (it = m_aTradeRoutes.begin(); it != m_aTradeRoutes.end(); ++it)
		{
			CvTradeRoute* pRoute = kOwner.getTradeRoute(*it);
			CvCity* pSourceCity = ::getCity(pRoute->getSourceCity());
			if (pSourceCity != NULL)
			{
				CvArea* pSourceWaterArea = pSourceCity->waterArea();
				if (getDomainType() != DOMAIN_SEA || pSourceWaterArea != NULL)
				{
					int iSourceArea = (getDomainType() == DOMAIN_SEA) ? pSourceWaterArea->getID() : pSourceCity->getArea();
					if (getDomainType() == DOMAIN_SEA ? plot()->isAdjacentToArea(iSourceArea) : (iSourceArea == getArea()))
					{
						if ((getDomainType() == DOMAIN_SEA) || (pRoute->getDestinationCity() != kEurope))
						{
							routes.push_back(pRoute);
							routeValues.push_back(0);

							yieldsDelivered[pRoute->getYield()] = true;

							if (pPlotCity != NULL && ::getCity(pRoute->getDestinationCity()) == pPlotCity)
							{
								yieldsToUnload[pRoute->getYield()] = true;
							}


							cityValues[pRoute->getSourceCity()] = 0;
							cityValues[pRoute->getDestinationCity()] = 0;
						}
					}
					else
					{
						FAssertMsg(false, "Unexpected : Unit can't run trade route it's assigned to");
					}

				}
			}
		}


	}

	if ((pPlotCity != NULL) && hasCargo())
	{
		std::vector<CvUnit*> units;

		//Unload everything which we should unload here, or can't unload anywhere...
		CLLNode<IDInfo>* pUnitNode = plot()->headUnitNode();
		while (pUnitNode != NULL)
		{
			CvUnit* pLoopUnit = ::getUnit(pUnitNode->m_data);
			pUnitNode = plot()->nextUnitNode(pUnitNode);

			if (pLoopUnit != NULL)
			{
				YieldTypes eYield = pLoopUnit->getYield();
				CvUnit* pTransport = pLoopUnit->getTransportUnit();

				if ((eYield != NO_YIELD) && pTransport != NULL && (yieldsToUnload[eYield] || !(yieldsDelivered[eYield])))
				{
					if (pTransport->getGroup() == this && pLoopUnit->canUnload())
					{
						units.push_back(pLoopUnit);
					}
				}
			}
		}

		for (uint i = 0; i < units.size(); ++i)
		{
			units[i]->unload();
		}
	}

	short aiYieldsLoaded[NUM_YIELD_TYPES];
	AI_getYieldsLoaded(aiYieldsLoaded);

	bool bNoCargo = true;
	for (int i = 0; i < NUM_YIELD_TYPES; ++i)
	{
		if (aiYieldsLoaded[i] > 0)
		{
			bNoCargo = false;
			break;
		}
	}

	if (!bNoCargo)
	{
		//We need to iterate over every destination city and see if we can unload.
		for (uint i = 0; i < routes.size(); ++i)
		{
			CvCity* pDestinationCity = ::getCity(routes[i]->getDestinationCity());
			if ((pDestinationCity == NULL) || (pDestinationCity != pPlotCity))
			{
				int iRouteValue = kOwner.AI_transferYieldValue(routes[i]->getDestinationCity(), routes[i]->getYield(), aiYieldsLoaded[routes[i]->getYield()]);

				if (iRouteValue > 0)
				{
					cityValues[routes[i]->getDestinationCity()] += iRouteValue;
					routeValues[i] += iRouteValue;
				}
			}
		}
	}

	//We need to iterate over every source city, and see if there's anything which needs moving to the respective destination city.
	//We apply some bias to the city we are presently at, but not too much - sometimes empty runs need to be made...
	//Basically this looks at the entire NEXT trade run (source-city to dest-city), with some bias given towards
	//starting it from pPlotCity as sourceCity.
	//If we are carrying cargo, only count cities where we can unload.
	for (uint i = 0; i < routes.size(); ++i)
	{
		CvCity* pSourceCity = ::getCity(routes[i]->getSourceCity());

		if ((pSourceCity != NULL) && (bNoCargo || (cityValues[routes[i]->getSourceCity()] > 0)))
		{
			CvCity* pDestinationCity = ::getCity(routes[i]->getDestinationCity());
			YieldTypes eYield = routes[i]->getYield();

			// transport feeder - start - Nightinggale
			//int iAmount = pSourceCity->getYieldStored(eYield) - pSourceCity->getMaintainLevel(eYield);
			int iAmount = pSourceCity->getYieldStored(eYield) - pSourceCity->getAutoMaintainThreshold(eYield);
			// transport feeder - end - Nightinggale

			if (iAmount > 0)
			{

				int iExportValue = kOwner.AI_transferYieldValue(routes[i]->getSourceCity(), routes[i]->getYield(), -iAmount);
				int iImportValue = kOwner.AI_transferYieldValue(routes[i]->getDestinationCity(), routes[i]->getYield(), iAmount);
				int iRouteValue = (iExportValue + iImportValue + 2 * std::min(iExportValue, iImportValue)) / 4;

				if (pSourceCity == pPlotCity)
				{
					cityValues[routes[i]->getDestinationCity()] += 2 * iRouteValue;
				}
				else
				{
					cityValues[routes[i]->getSourceCity()] += iRouteValue;
				}

				routeValues[i] = iRouteValue;
			}
		}
	}

	IDInfo kBestDestination(NO_PLAYER, -1);
	int iBestDestinationValue = 0;

	for (std::map<IDInfo, int>::iterator it = cityValues.begin(); it != cityValues.end(); ++it)
	{
		int iValue = it->second;

		if (iValue > 0)
		{
			CvCity* pCity = ::getCity(it->first);
			if (pCity != NULL)
			{
				FAssert(!atPlot(pCity->plot()));
				if (generatePath(plot(), pCity->plot(), MOVE_NO_ENEMY_TERRITORY, true))
				{
					iValue /= 1 + kOwner.AI_plotTargetMissionAIs(pCity->plot(), MISSIONAI_TRANSPORT, this, 0);
				}
				else
				{
					iValue = 0;
				}
			}

			if (iValue > iBestDestinationValue)
			{
				iBestDestinationValue = iValue;
				kBestDestination = it->first;
			}
		}
	}


	if ((pPlotCity != NULL) && (kBestDestination.eOwner != NO_PLAYER))
	{
		//We need to keep looping and recalculating
		//For example a city might have "101" of an item, we want to move the first 100 but not the 1.
		//But it could also have 200, in which case we might want 2 loads of 100...
		//But it could also have 200 of two resources, and we'd want to move 100 of each...
		///TKs MEd
		int iTestCount = 0;
		while (!isFull())
		{
		    iTestCount++;
		    if (iTestCount == 1000)
		    {
		        FAssert(iTestCount == 0);
		        int iID = pPlotCity->getID();
		        int iIDplayer = GET_PLAYER(kBestDestination.eOwner).getID();
		       // break;
		    }

		    if (iTestCount == 1001)
		    {
		        break;
		    }
		    ///TKe
			int iBestRoute = -1;
			int iBestRouteValue = 0;
			//Now, for any trade routes which this group is assigned to, try to pick up cargo here.
			for (uint i = 0; i < routes.size(); ++i)
			{
				CvCity* pSourceCity = ::getCity(routes[i]->getSourceCity());
				if ((pSourceCity != NULL) && (routes[i]->getDestinationCity() == kBestDestination))
				{
					CvCity* pDestinationCity = ::getCity(routes[i]->getDestinationCity());
					YieldTypes eYield = routes[i]->getYield();

					if ((pPlotCity == pSourceCity))
					{
						// transport feeder - start - Nightinggale
						//int iAmount = pSourceCity->getYieldStored(eYield) - pSourceCity->getMaintainLevel(eYield);
						int iAmount = pSourceCity->getYieldStored(eYield) - pSourceCity->getAutoMaintainThreshold(eYield);
						// transport feeder - end - Nightinggale

						if (iAmount > 0)
						{
							int iExportValue = kOwner.AI_transferYieldValue(routes[i]->getSourceCity(), routes[i]->getYield(), -iAmount);
							int iImportValue = kOwner.AI_transferYieldValue(routes[i]->getDestinationCity(), routes[i]->getYield(), iAmount);
							int iRouteValue = (iExportValue + iImportValue + 2 * std::min(iExportValue, iImportValue)) / 4;

							if (iRouteValue > iBestRouteValue)
							{
								iBestRouteValue = iRouteValue;
								iBestRoute = i;
							}
						}
					}
				}
			}

			if (iBestRouteValue > 0)
			{
				CLLNode<IDInfo>* pUnitNode = headUnitNode();
				while (pUnitNode != NULL)
				{
					CvUnit* pLoopUnit = ::getUnit(pUnitNode->m_data);
					pUnitNode = nextUnitNode(pUnitNode);

					if (pLoopUnit != NULL)
					{
						if (pLoopUnit->canLoadYield(plot(), routes[iBestRoute]->getYield(), false))
						{
							pLoopUnit->loadYield(routes[iBestRoute]->getYield(), false);
							break;
						}
					}
				}
			}
			else
			{
				break;
			}
		}
		//XXX fill hold.
	}

	if ((kBestDestination.eOwner == NO_PLAYER) && hasCargo())
	{
		// Transport group is full and can't find any destination
		CvCity* pCity = kOwner.AI_findBestPort();
		if (pCity != NULL && !atPlot(pCity->plot()))
		{
			kBestDestination = pCity->getIDInfo();
		}
	}

	//As a final step, we could consider loading yields which would be useful as parts of delivery runs...
	if (kBestDestination != kEurope)
	{
		CvCity* pBestDestinationCity = ::getCity(kBestDestination);
		if (pBestDestinationCity != NULL)
		{
			FAssert(!atPlot(pBestDestinationCity->plot()));
			pushMission(MISSION_MOVE_TO, pBestDestinationCity->getX_INLINE(), pBestDestinationCity->getY_INLINE(), MOVE_NO_ENEMY_TERRITORY, false, false, MISSIONAI_TRANSPORT, pBestDestinationCity->plot());
			if (atPlot(pBestDestinationCity->plot()))
			{
				//Unload any goods if required (we can always pick them back up if this is an i+e city).
				std::vector<CvUnit*> units;

				CLLNode<IDInfo>* pUnitNode = plot()->headUnitNode();
				CvUnit* pLoopUnit;
				while (pUnitNode != NULL)
				{
					pLoopUnit = ::getUnit(pUnitNode->m_data);
					pUnitNode = plot()->nextUnitNode(pUnitNode);
					YieldTypes eYield = pLoopUnit->getYield();

					if ((eYield != NO_YIELD) && pLoopUnit->isCargo())
					{
						if (pLoopUnit->getTransportUnit()->getGroup() == this && pLoopUnit->canUnload())
						{
							units.push_back(pLoopUnit);
						}
					}
				}
				for (uint i = 0; i < units.size(); ++i)
				{
					units[i]->unload();
				}
			}

			return true;
		}
	}
	else
	{
		if (isHuman())
		{
			getHeadUnit()->AI_setUnitAIState(UNITAI_STATE_SAIL);
		}
	}

	return false;
}