Bazaar developer reference

    CvUnit::canEnterTerrain(const CvPlot &, byte) const

    Defined in
    CvUnit.cpp, line 2654
    Class
    CvUnit
    Hook name
    CivHooks::CvUnit_canEnterTerrain

    Hooks

    static bool BeforeCvUnit_canEnterTerrain(const CvUnit* self, const CvPlot& enterPlot, byte bMoveFlags, bool& result);static void AfterCvUnit_canEnterTerrain(const CvUnit* self, const CvPlot& enterPlot, byte bMoveFlags, bool& result);static bool ReplaceCvUnit_canEnterTerrain(bool (*original)(const CvUnit*, const CvPlot&, byte), const CvUnit* self, const CvPlot& enterPlot, byte bMoveFlags);CivRegisterBefore<CivHooks::CvUnit_canEnterTerrain>(host, &BeforeCvUnit_canEnterTerrain);CivRegisterAfter<CivHooks::CvUnit_canEnterTerrain>(host, &AfterCvUnit_canEnterTerrain);CivRegisterReplace<CivHooks::CvUnit_canEnterTerrain>(host, &ReplaceCvUnit_canEnterTerrain);

    Code

    2654bool CvUnit::canEnterTerrain(const CvPlot& enterPlot, byte bMoveFlags) const2655{2656	VALIDATE_OBJECT2657	if(enterPlot.isImpassable())2658	{2659		if(!(m_iCanMoveImpassableCount > 0) && !canMoveAllTerrain())2660		{2661#if defined(MOD_PATHFINDER_CROSS_ICE)2662			if (enterPlot.isIce() && canCrossIce()) {2663				return true;2664			} else {2665#endif2666				return false;2667#if defined(MOD_PATHFINDER_CROSS_ICE)2668			}2669#endif2670		}2671	}26722673#if defined(MOD_GLOBAL_ALPINE_PASSES)2674	bool bMountain = enterPlot.isMountain();2675	if (bMountain && MOD_GLOBAL_ALPINE_PASSES && getDomainType() == DOMAIN_LAND && enterPlot.getRouteType() != NO_ROUTE) {2676		// Any land unit may travel over a mountain with a pass2677		bMountain = false;2678	}26792680	if(bMountain)2681#else2682	if(enterPlot.isMountain())2683#endif2684	{2685#if defined(MOD_PATHFINDER_CROSS_MOUNTAINS)2686		bool bCanCross = IsHoveringUnit() || canMoveAllTerrain() || canCrossMountains(); // Player trait is included in the canCrossMountains() method2687		if (!bCanCross)2688#else2689		CvPlayer& kPlayer = GET_PLAYER(getOwner());2690		if(!kPlayer.GetPlayerTraits()->IsAbleToCrossMountains() && !IsHoveringUnit() && !canMoveAllTerrain())2691#endif2692		{2693			return false;2694		}2695	}2696	2697#if defined(MOD_PATHFINDER_CROSS_OCEANS)2698	if (enterPlot.isWater() && !enterPlot.isShallowWater()) {2699		if (canCrossOceans()) {2700			return true;2701		}2702	}2703#endif27042705#if defined(MOD_PATHFINDER_CROSS_ICE)2706	if (enterPlot.isIce()) {2707		CvPlayer& kPlayer = GET_PLAYER(getOwner());2708		bool bCanCross = canCrossIce() || (kPlayer.GetPlayerTraits()->IsAbleToCrossIce());2709		if (bCanCross) {2710			return true;2711		}2712	}2713#endif27142715	DomainTypes eDomain = getDomainType();27162717	// Immobile Unit?27182719	if(eDomain == DOMAIN_IMMOBILE || m_bImmobile)2720	{2721		return false;2722	}27232724	bool bAllowsWalkWater = enterPlot.IsAllowsWalkWater();2725	if (enterPlot.isWater() && (bMoveFlags & CvUnit::MOVEFLAG_STAY_ON_LAND) && !bAllowsWalkWater)2726	{2727		return false;2728	}27292730	TeamTypes eTeam = getTeam();27312732	if(canEnterTerritory(enterPlot.getTeam(), false /*bIgnoreRightOfPassage*/, enterPlot.getPlotCity() != NULL, bMoveFlags & MOVEFLAG_DECLARE_WAR))2733	{2734		if(enterPlot.getFeatureType() != NO_FEATURE && enterPlot.getRouteType() == NO_ROUTE)  // assume that all units can use roads and rails2735		{2736			if(isFeatureImpassable(enterPlot.getFeatureType()))2737			{2738				bool bCanPass = false;27392740#if defined(MOD_PATHFINDER_CROSS_ICE)2741				// We checked for passable ice much higher up2742#endif27432744				// Check all Promotions to see if this Unit has one which allows Impassable movement with a certain Tech2745				if(m_Promotions.GetAllowFeaturePassable(enterPlot.getFeatureType()))2746				{2747					return true;2748				}27492750				if(!bCanPass)2751				{2752					if(DOMAIN_SEA != eDomain || enterPlot.getTeam() != eTeam)   // sea units can enter impassable in own cultural borders2753					{2754						if(!canLoad(enterPlot))2755						{2756							return false;2757						}2758					}2759				}2760			}2761		}2762		else2763		{2764#if defined(MOD_GLOBAL_ALPINE_PASSES)2765		if (!(MOD_GLOBAL_ALPINE_PASSES && getDomainType() == DOMAIN_LAND && (enterPlot.getRouteType() != NO_ROUTE))) {2766#endif2767			if(isTerrainImpassable(enterPlot.getTerrainType()))2768			{2769				bool bCanPass = false;27702771				// Check all Promotions to see if this Unit has one which allows Impassable movement with a certain Tech2772				bCanPass = m_Promotions.GetAllowTerrainPassable(enterPlot.getTerrainType());2773				if(!bCanPass)2774				{2775					if(DOMAIN_SEA != eDomain || enterPlot.getTeam() != eTeam)   // sea units can enter impassable in own cultural borders2776					{2777						if(!canLoad(enterPlot))2778						{2779							return false;2780						}2781					}2782				}2783			}2784#if defined(MOD_GLOBAL_ALPINE_PASSES)2785		}2786#endif2787		}2788	}27892790	switch(eDomain)2791	{2792	case DOMAIN_SEA:2793		if(!enterPlot.isWater() && !canMoveAllTerrain())2794		{2795#if defined(MOD_GLOBAL_PASSABLE_FORTS)2796			bool bCanEnter = (enterPlot.isFriendlyCityOrPassableImprovement(*this, true) && (MOD_GLOBAL_PASSABLE_FORTS_ANY || enterPlot.isCoastalLand() || plot()->isLake()));2797			if(!bCanEnter && !enterPlot.isEnemyCity(*this))2798			{2799				return false;2800			}2801#else2802			if(!enterPlot.isFriendlyCity(*this, true) && !enterPlot.isEnemyCity(*this))2803			{2804				return false;2805			}2806#endif2807		}2808		break;28092810	case DOMAIN_AIR:2811		// Air units can move anywhere2812		break;28132814	case DOMAIN_LAND:2815	{2816		if (bAllowsWalkWater)2817		{2818			return true;2819		}28202821		if(bMoveFlags & MOVEFLAG_PRETEND_CORRECT_EMBARK_STATE)2822		{2823			// if this is water and this unit can embark2824			if(enterPlot.isWater() && !canMoveAllTerrain())2825			{2826				if(CanEverEmbark())2827				{2828					// Can't enter deep water until you have the appropriate Tech2829					if(enterPlot.getTerrainType() == GC.getDEEP_WATER_TERRAIN() && !GET_TEAM(eTeam).canEmbarkAllWaterPassage() && !IsEmbarkAllWater())2830					{2831						return false;2832					}2833				}2834				// Does the unit hover above coast?2835				else if(IsHoveringUnit())2836				{2837#if defined(MOD_BUGFIX_HOVERING_PATHFINDER)2838					// Ice trumps ocean!2839					if (enterPlot.getFeatureType() == FEATURE_ICE) {2840						return true;2841					} else {2842#endif2843						if(enterPlot.getTerrainType() == GC.getDEEP_WATER_TERRAIN())2844						{2845#if defined(MOD_PATHFINDER_DEEP_WATER_EMBARKATION)2846							return IsEmbarkDeepWater();2847#else2848							return false;2849#endif2850						}2851#if defined(MOD_BUGFIX_HOVERING_PATHFINDER)2852					}2853#endif2854				}2855				else2856				{2857					return false;2858				}2859			}2860		}2861		else2862		{2863			// slewis - not my best piece of logic, but yeah2864			bool bEmbarked = (isEmbarked() || (bMoveFlags & MOVEFLAG_PRETEND_EMBARKED)) && !(bMoveFlags & MOVEFLAG_PRETEND_UNEMBARKED);28652866			if(bEmbarked)2867			{2868				if(!enterPlot.isWater())2869				{2870					return false;2871				}2872				// Can't enter deep water until you have the appropriate Tech2873				if(enterPlot.getTerrainType() == GC.getDEEP_WATER_TERRAIN() && !GET_TEAM(eTeam).canEmbarkAllWaterPassage() && !IsEmbarkAllWater())2874				{2875					return false;2876				}2877			}2878			else // !bEmbarked2879			{2880				if(enterPlot.isWater() && !canMoveAllTerrain() && !enterPlot.isCity())2881				{2882					// Does the unit hover above coast?2883					if(IsHoveringUnit())2884					{2885#if defined(MOD_BUGFIX_HOVERING_PATHFINDER)2886						// Ice trumps ocean!2887						if (enterPlot.getFeatureType() == FEATURE_ICE) {2888							return true;2889						} else {2890#endif2891							if(enterPlot.getTerrainType() == GC.getDEEP_WATER_TERRAIN())2892							{2893								return false;2894							}2895#if defined(MOD_BUGFIX_HOVERING_PATHFINDER)2896						}2897#endif2898					}2899					else if(!isHuman() || (plot() && plot()->isWater()) || !canLoad(enterPlot))2900					{2901						return false;2902					}2903				}2904			}2905		}2906	}2907	break;29082909	case DOMAIN_IMMOBILE:2910		return false;2911		break;29122913	default:2914		CvAssert(false);2915		break;2916	}29172918	return true;2919}

    Calls

    Called by