Bazaar developer reference

    CvPlayerPolicies::CanUnlockPolicyBranch(PolicyBranchTypes)

    Defined in
    CvPolicyClasses.cpp, line 3711
    Class
    CvPlayerPolicies
    Hook name
    CivHooks::CvPlayerPolicies_CanUnlockPolicyBranch
    Lua events
    GameEvents.PlayerCanAdoptPolicyBranch

    Hooks

    static bool BeforeCvPlayerPolicies_CanUnlockPolicyBranch(CvPlayerPolicies* self, PolicyBranchTypes eBranchType, bool& result);static void AfterCvPlayerPolicies_CanUnlockPolicyBranch(CvPlayerPolicies* self, PolicyBranchTypes eBranchType, bool& result);static bool ReplaceCvPlayerPolicies_CanUnlockPolicyBranch(bool (*original)(CvPlayerPolicies*, PolicyBranchTypes), CvPlayerPolicies* self, PolicyBranchTypes eBranchType);CivRegisterBefore<CivHooks::CvPlayerPolicies_CanUnlockPolicyBranch>(host, &BeforeCvPlayerPolicies_CanUnlockPolicyBranch);CivRegisterAfter<CivHooks::CvPlayerPolicies_CanUnlockPolicyBranch>(host, &AfterCvPlayerPolicies_CanUnlockPolicyBranch);CivRegisterReplace<CivHooks::CvPlayerPolicies_CanUnlockPolicyBranch>(host, &ReplaceCvPlayerPolicies_CanUnlockPolicyBranch);

    Code

    3710/// can the player unlock eBranchType right now?3711bool CvPlayerPolicies::CanUnlockPolicyBranch(PolicyBranchTypes eBranchType)3712{3713	// Must have enough culture to spend a buy opening a new branch3714	if(GetPlayer()->getJONSCulture() < GetPlayer()->getNextPolicyCost())3715	{3716		if(GetPlayer()->GetNumFreePolicies() == 0)3717			return false;3718	}37193720	CvPolicyBranchEntry* pkBranchEntry = m_pPolicies->GetPolicyBranchEntry(eBranchType);3721	if(pkBranchEntry)3722	{3723		// Ideology branches unlocked through a direct call to SetPolicyBranchUnlocked()3724		if (pkBranchEntry->IsPurchaseByLevel())3725		{3726			return false;3727		}37283729		if (pkBranchEntry->IsLockedWithoutReligion())3730		{3731			if (GC.getGame().isOption(GAMEOPTION_NO_RELIGION))3732			{3733				return false;3734			}3735		}37363737		EraTypes ePrereqEra = (EraTypes) pkBranchEntry->GetEraPrereq();37383739		// Must be in the proper Era3740		if(ePrereqEra != NO_ERA)3741		{3742			if(GET_TEAM(GetPlayer()->getTeam()).GetCurrentEra() < ePrereqEra)3743			{3744				return false;3745			}3746		}3747	}37483749	ICvEngineScriptSystem1* pkScriptSystem = gDLL->GetScriptSystem();3750	if(pkScriptSystem)3751	{3752		CvLuaArgsHandle args;3753		args->Push(m_pPlayer->GetID());3754		args->Push(eBranchType);37553756		// Attempt to execute the game events.3757		// Will return false if there are no registered listeners.3758		bool bResult = false;3759		if(LuaSupport::CallTestAll(pkScriptSystem, "PlayerCanAdoptPolicyBranch", args.get(), bResult))3760		{3761			// Check the result.3762			if(bResult == false)3763			{3764				return false;3765			}3766		}3767	}37683769	return true;3770}

    Calls

    Called by