CvPlayer::canTrain(UnitTypes, bool, bool, bool, bool, CvString *) const

Hooks

static bool BeforeCvPlayer_canTrain(const CvPlayer* self, UnitTypes eUnit, bool bContinue, bool bTestVisible, bool bIgnoreCost, bool bIgnoreUniqueUnitStatus, CvString* toolTipSink, bool& result);static void AfterCvPlayer_canTrain(const CvPlayer* self, UnitTypes eUnit, bool bContinue, bool bTestVisible, bool bIgnoreCost, bool bIgnoreUniqueUnitStatus, CvString* toolTipSink, bool& result);static bool ReplaceCvPlayer_canTrain(bool (*original)(const CvPlayer*, UnitTypes, bool, bool, bool, bool, CvString*), const CvPlayer* self, UnitTypes eUnit, bool bContinue, bool bTestVisible, bool bIgnoreCost, bool bIgnoreUniqueUnitStatus, CvString* toolTipSink);CivRegisterBefore<CivHooks::CvPlayer_canTrain>(host, &BeforeCvPlayer_canTrain);CivRegisterAfter<CivHooks::CvPlayer_canTrain>(host, &AfterCvPlayer_canTrain);CivRegisterReplace<CivHooks::CvPlayer_canTrain>(host, &ReplaceCvPlayer_canTrain);

Code

7649bool CvPlayer::canTrain(UnitTypes eUnit, bool bContinue, bool bTestVisible, bool bIgnoreCost, bool bIgnoreUniqueUnitStatus, CvString* toolTipSink) const7650{7651	CvUnitEntry* pUnitInfoPtr = GC.getUnitInfo(eUnit);7652	if(pUnitInfoPtr == NULL)7653		return false;76547655	CvUnitEntry& pUnitInfo = *pUnitInfoPtr;76567657	const UnitClassTypes eUnitClass = (UnitClassTypes) pUnitInfo.GetUnitClassType();7658	if(eUnitClass == NO_UNITCLASS)7659	{7660		return false;7661	}76627663	CvUnitClassInfo* pkUnitClassInfo = GC.getUnitClassInfo(eUnitClass);7664	if(pkUnitClassInfo == NULL)7665	{7666		return false;7667	}76687669	if (GetPlayerTraits()->NoTrain(eUnitClass))7670	{7671		return false;7672	}76737674	// Should we check whether this Unit has been blocked out by the civ XML?7675	if(!bIgnoreUniqueUnitStatus)7676	{7677		UnitTypes eThisPlayersUnitType = (UnitTypes) getCivilizationInfo().getCivilizationUnits(eUnitClass);76787679		// If the player isn't allowed to train this Unit (via XML) then return false7680		if(eThisPlayersUnitType != eUnit)7681		{7682			return false;7683		}7684	}76857686	if(!bIgnoreCost)7687	{7688		if(pUnitInfo.GetProductionCost() == -1)7689		{7690			return false;7691		}7692	}76937694	// One City Challenge7695	if(pUnitInfo.IsFound() || pUnitInfo.IsFoundAbroad())7696	{7697		if(GC.getGame().isOption(GAMEOPTION_ONE_CITY_CHALLENGE) && isHuman())7698		{7699			return false;7700		}7701	}7702	7703	//Policy Requirement7704	PolicyTypes ePolicy = (PolicyTypes)pUnitInfo.GetPolicyType();7705	if (ePolicy != NO_POLICY)7706	{7707		if (!GetPlayerPolicies()->HasPolicy(ePolicy))7708		{7709			return false;7710		}7711	}771277137714	if (GC.getGame().isOption(GAMEOPTION_NO_RELIGION))7715	{7716		if (pUnitInfo.IsFoundReligion() || pUnitInfo.IsSpreadReligion() || pUnitInfo.IsRemoveHeresy())7717		{7718			return false;7719		}7720	}77217722	if(!bContinue)7723	{7724		if(!bTestVisible)7725		{7726			// Builder Limit7727			if(pUnitInfo.GetWorkRate() > 0 && pUnitInfo.GetDomainType() == DOMAIN_LAND)7728			{7729				if(GetMaxNumBuilders() > -1 && GetNumBuilders() >= GetMaxNumBuilders())7730				{7731					return false;7732				}7733			}7734		}7735	}77367737	// Tech requirements7738	if(!(GET_TEAM(getTeam()).GetTeamTechs()->HasTech((TechTypes)(pUnitInfo.GetPrereqAndTech()))))7739	{7740		return false;7741	}77427743	int iI;7744	for(iI = 0; iI < GC.getNUM_UNIT_AND_TECH_PREREQS(); iI++)7745	{7746		if(pUnitInfo.GetPrereqAndTechs(iI) != NO_TECH)7747		{7748			if(!(GET_TEAM(getTeam()).GetTeamTechs()->HasTech((TechTypes)(pUnitInfo.GetPrereqAndTechs(iI)))))7749			{7750				return false;7751			}7752		}7753	}77547755	// Obsolete Tech7756	if((TechTypes)pUnitInfo.GetObsoleteTech() != NO_TECH)7757	{7758		if(GET_TEAM(getTeam()).GetTeamTechs()->HasTech((TechTypes)(pUnitInfo.GetObsoleteTech())))7759		{7760			return false;7761		}7762	}77637764	// Game Unit Class Max7765	if(GC.getGame().isUnitClassMaxedOut(eUnitClass))7766	{7767		return false;7768	}77697770	// Team Unit Class Max7771	if(GET_TEAM(getTeam()).isUnitClassMaxedOut(eUnitClass))7772	{7773		return false;7774	}77757776	// Player Unit Class Max7777	if(isUnitClassMaxedOut(eUnitClass))7778	{7779		return false;7780	}77817782	// Spaceship part we already have?7783	ProjectTypes eProject = (ProjectTypes) pUnitInfo.GetSpaceshipProject();7784	if(eProject != NO_PROJECT)7785	{7786		if(GET_TEAM(getTeam()).isProjectMaxedOut(eProject))7787			return false;77887789		int iUnitAndProjectCount = GET_TEAM(getTeam()).getProjectCount(eProject) + getUnitClassCount(eUnitClass) + GET_TEAM(getTeam()).getUnitClassMaking(eUnitClass) + ((bContinue) ? -1 : 0);7790		if(iUnitAndProjectCount >= pkUnitClassInfo->getMaxPlayerInstances())7791		{7792			return false;7793		}7794	}77957796	if(!bTestVisible)7797	{7798		// Settlers7799		if(pUnitInfo.IsFound() || pUnitInfo.IsFoundAbroad())7800		{7801			if(IsEmpireVeryUnhappy() && GC.getVERY_UNHAPPY_CANT_TRAIN_SETTLERS() == 1)7802			{7803				GC.getGame().BuildCannotPerformActionHelpText(toolTipSink, "TXT_KEY_NO_ACTION_VERY_UNHAPPY_SETTLERS");7804				if(toolTipSink == NULL)7805					return false;7806			}7807		}78087809		// Project required?7810		ProjectTypes ePrereqProject = (ProjectTypes) pUnitInfo.GetProjectPrereq();7811		if(ePrereqProject != NO_PROJECT)7812		{7813			CvProjectEntry* pkProjectInfo = GC.getProjectInfo(ePrereqProject);7814			if(pkProjectInfo)7815			{7816				if(GET_TEAM(getTeam()).getProjectCount(ePrereqProject) == 0)7817				{7818					GC.getGame().BuildCannotPerformActionHelpText(toolTipSink, "TXT_KEY_NO_ACTION_UNIT_PROJECT_REQUIRED", pkProjectInfo->GetDescription());7819					if(toolTipSink == NULL)7820						return false;7821				}7822			}7823		}78247825		// Resource Requirements7826		for(int iResourceLoop = 0; iResourceLoop < GC.getNumResourceInfos(); iResourceLoop++)7827		{7828			const ResourceTypes eResource = static_cast<ResourceTypes>(iResourceLoop);7829			CvResourceInfo* pkResourceInfo = GC.getResourceInfo(eResource);7830			if(pkResourceInfo)7831			{7832				const int iNumResource = pUnitInfo.GetResourceQuantityRequirement(eResource);78337834				if(iNumResource > 0)7835				{7836					// Starting project, need enough Resources plus some to start7837					if(!bContinue && getNumResourceAvailable(eResource) < iNumResource)7838					{7839						GC.getGame().BuildCannotPerformActionHelpText(toolTipSink, "TXT_KEY_NO_ACTION_UNIT_LACKS_RESOURCES", pkResourceInfo->GetIconString(), pkResourceInfo->GetTextKey(), iNumResource);7840						if(toolTipSink == NULL)7841							return false;7842					}7843					// Continuing project, need enough Resources7844					else if(bContinue && (getNumResourceAvailable(eResource) < 0))7845					{7846						GC.getGame().BuildCannotPerformActionHelpText(toolTipSink, "TXT_KEY_NO_ACTION_UNIT_LACKS_RESOURCES", pkResourceInfo->GetIconString(), pkResourceInfo->GetTextKey(), iNumResource);7847						if(toolTipSink == NULL)7848							return false;7849					}7850				}7851			}78527853		}78547855		if(GC.getGame().isUnitClassMaxedOut(eUnitClass, (GET_TEAM(getTeam()).getUnitClassMaking(eUnitClass) + ((bContinue) ? -1 : 0))))7856		{7857			GC.getGame().BuildCannotPerformActionHelpText(toolTipSink, "TXT_KEY_NO_ACTION_GAME_COUNT_MAX", "", "", pkUnitClassInfo->getMaxTeamInstances());7858			if(toolTipSink == NULL)7859				return false;7860		}78617862		if(GET_TEAM(getTeam()).isUnitClassMaxedOut(eUnitClass, (GET_TEAM(getTeam()).getUnitClassMaking(eUnitClass) + ((bContinue) ? -1 : 0))))7863		{7864			GC.getGame().BuildCannotPerformActionHelpText(toolTipSink, "TXT_KEY_NO_ACTION_TEAM_COUNT_MAX", "", "", pkUnitClassInfo->getMaxTeamInstances());7865			if(toolTipSink == NULL)7866				return false;7867		}78687869		if(isUnitClassMaxedOut(eUnitClass, (getUnitClassMaking(eUnitClass) + ((bContinue) ? -1 : 0))))7870		{7871			GC.getGame().BuildCannotPerformActionHelpText(toolTipSink, "TXT_KEY_NO_ACTION_PLAYER_COUNT_MAX", "", "", pkUnitClassInfo->getMaxPlayerInstances());7872			if(toolTipSink == NULL)7873				return false;7874		}78757876		if(GC.getGame().isNoNukes() || !GC.getGame().isNukesValid())7877		{7878			if(pUnitInfo.GetNukeDamageLevel() != -1)7879			{7880				GC.getGame().BuildCannotPerformActionHelpText(toolTipSink, "TXT_KEY_NO_ACTION_NUKES");7881				if(toolTipSink == NULL)7882					return false;7883			}7884		}78857886		if(pUnitInfo.GetNukeDamageLevel() != -1)7887		{7888			if(GC.getGame().GetGameLeagues()->IsNoTrainingNuclearWeapons(GetID()))7889			{7890				GC.getGame().BuildCannotPerformActionHelpText(toolTipSink, "TXT_KEY_NO_ACTION_NUKES_BY_RESOLUTION");7891				if(toolTipSink == NULL)7892					return false;7893			}7894		}78957896		if(pUnitInfo.GetSpecialUnitType() != NO_SPECIALUNIT)7897		{7898			if(!(GC.getGame().isSpecialUnitValid((SpecialUnitTypes)(pUnitInfo.GetSpecialUnitType()))))7899			{7900				GC.getGame().BuildCannotPerformActionHelpText(toolTipSink, "TXT_KEY_NO_ACTION_SPECIAL_UNIT");7901				if(toolTipSink == NULL)7902					return false;7903			}7904		}79057906		if (pUnitInfo.IsTrade())7907		{7908			if (GetTrade()->GetNumTradeRoutesRemaining(bContinue) <= 0)7909			{7910				GC.getGame().BuildCannotPerformActionHelpText(toolTipSink, "TXT_KEY_TRADE_UNIT_CONSTRUCTION_NO_EXTRA_SLOTS");7911				if (toolTipSink == NULL)7912					return false;			7913			}79147915			DomainTypes eDomain = (DomainTypes)pUnitInfo.GetDomainType();7916			if (!GetTrade()->CanCreateTradeRoute(eDomain))7917			{7918				if (eDomain == DOMAIN_LAND)7919				{7920					GC.getGame().BuildCannotPerformActionHelpText(toolTipSink, "TXT_KEY_TRADE_UNIT_CONSTRUCTION_NONE_OF_TYPE_LAND");7921				}7922				else if (eDomain == DOMAIN_SEA)7923				{7924					GC.getGame().BuildCannotPerformActionHelpText(toolTipSink, "TXT_KEY_TRADE_UNIT_CONSTRUCTION_NONE_OF_TYPE_SEA");7925				}7926				if (toolTipSink == NULL)7927					return false;7928			}7929		}7930	}79317932	ICvEngineScriptSystem1* pkScriptSystem = gDLL->GetScriptSystem();7933	if(pkScriptSystem)7934	{7935		CvLuaArgsHandle args;7936		args->Push(GetID());7937		args->Push(eUnit);79387939		// Attempt to execute the game events.7940		// Will return false if there are no registered listeners.7941		bool bResult = false;7942		if(LuaSupport::CallTestAll(pkScriptSystem, "PlayerCanTrain", args.get(), bResult))7943		{7944			// Check the result.7945			if(bResult == false)7946			{7947				return false;7948			}7949		}7950	}79517952	return true;7953}

Calls

• CvBaseInfo::GetDescription() const
• CvBaseInfo::GetTextKey() const
• CvCivilizationInfo::getCivilizationUnits(int) const
• CvGame::BuildCannotPerformActionHelpText(CvString *, const char *, const char *, const char *, int) const
• CvGame::GetGameLeagues()
• CvGame::isNoNukes() const
• CvGame::isNukesValid() const
• CvGame::isOption(GameOptionTypes) const
• CvGame::isSpecialUnitValid(SpecialUnitTypes)
• CvGame::isUnitClassMaxedOut(UnitClassTypes, int)
• CvGameLeagues::IsNoTrainingNuclearWeapons(PlayerTypes)
• CvGlobals::getDLLIFace()
• CvGlobals::getGame()
• CvGlobals::getNUM_UNIT_AND_TECH_PREREQS()
• CvGlobals::getNumResourceInfos()
• CvGlobals::getProjectInfo(ProjectTypes)
• CvGlobals::getResourceInfo(ResourceTypes)
• CvGlobals::getUnitClassInfo(UnitClassTypes)
• CvGlobals::getUnitInfo(UnitTypes)
• CvGlobals::getVERY_UNHAPPY_CANT_TRAIN_SETTLERS()
• CvLuaArgsHandle::CvLuaArgsHandle()
• CvLuaArgsHandle::get() const
• CvLuaArgsHandle::operator->() const
• CvPlayer::getCivilizationInfo() const
• CvPlayer::GetID() const
• CvPlayer::GetMaxNumBuilders() const
• CvPlayer::GetNumBuilders() const
• CvPlayer::getNumResourceAvailable(ResourceTypes, bool) const
• CvPlayer::GetPlayerPolicies() const
• CvPlayer::GetPlayerTraits() const
• CvPlayer::getTeam() const
• CvPlayer::GetTrade() const
• CvPlayer::getUnitClassCount(UnitClassTypes) const
• CvPlayer::getUnitClassMaking(UnitClassTypes) const
• CvPlayer::IsEmpireVeryUnhappy() const
• CvPlayer::isHuman() const
• CvPlayer::isUnitClassMaxedOut(UnitClassTypes, int) const
• CvPlayerPolicies::HasPolicy(PolicyTypes) const
• CvPlayerTrade::CanCreateTradeRoute(DomainTypes)
• CvPlayerTrade::GetNumTradeRoutesRemaining(bool)
• CvPlayerTraits::NoTrain(UnitClassTypes)
• CvResourceInfo::GetIconString() const
• CvTeam::getProjectCount(ProjectTypes) const
• CvTeam::getTeam(TeamTypes)
• CvTeam::GetTeamTechs() const
• CvTeam::getUnitClassMaking(UnitClassTypes) const
• CvTeam::isProjectMaxedOut(ProjectTypes, int) const
• CvTeam::isUnitClassMaxedOut(UnitClassTypes, int) const
• CvTeamTechs::HasTech(TechTypes) const
• CvUnitClassInfo::getMaxPlayerInstances() const
• CvUnitClassInfo::getMaxTeamInstances() const
• CvUnitEntry::GetDomainType() const
• CvUnitEntry::GetNukeDamageLevel() const
• CvUnitEntry::GetObsoleteTech() const
• CvUnitEntry::GetPolicyType() const
• CvUnitEntry::GetPrereqAndTech() const
• CvUnitEntry::GetPrereqAndTechs(int) const
• CvUnitEntry::GetProductionCost() const
• CvUnitEntry::GetProjectPrereq() const
• CvUnitEntry::GetResourceQuantityRequirement(int) const
• CvUnitEntry::GetSpaceshipProject() const
• CvUnitEntry::GetSpecialUnitType() const
• CvUnitEntry::GetUnitClassType() const
• CvUnitEntry::GetWorkRate() const
• CvUnitEntry::IsFound() const
• CvUnitEntry::IsFoundAbroad() const
• CvUnitEntry::IsFoundReligion() const
• CvUnitEntry::IsRemoveHeresy() const
• CvUnitEntry::IsSpreadReligion() const
• CvUnitEntry::IsTrade() const
• ICvEngineScriptSystemArgs1::Push
• ICvEngineUtility1::GetScriptSystem
• LuaSupport::CallTestAll(ICvEngineScriptSystem1 *, const char *, ICvEngineScriptSystemArgs1 *, bool &)

Called by

• CvBarbarians::GetRandomBarbarianUnitType(CvPlot *, UnitAITypes)
• CvCity::canTrain(UnitTypes, bool, bool, bool, bool, CvString *) const
• CvGame::GetCompetitiveSpawnUnitType(PlayerTypes, bool, bool, bool)
• CvGame::GetCsGiftSpawnUnitType(PlayerTypes, bool)
• CvGame::GetRandomSpawnUnitType(PlayerTypes, bool, bool)
• CvGame::canTrainNukes() const
• CvMilitaryAI::FindBestUnitToScrap(bool, bool, int &)
• CvMilitaryAI::GetPowerOfStrongestBuildableUnit(DomainTypes)
• CvMinorCivAI::GetBestGreatPersonForQuest(PlayerTypes)
• CvPlayer::addFreeUnitAI(UnitAITypes, int)
• CvReligionAI::GetDesiredFaithGreatPerson() const
• CvLuaPlayer::lCanTrain(lua_State *)