/* * PathfinderUtil.h, part of VCMI engine * * Authors: listed in file AUTHORS in main folder * * License: GNU General Public License v2.0 or later * Full text of license available in license.txt file, in main folder * */ #pragma once #include "../TerrainHandler.h" #include "../mapObjects/CGObjectInstance.h" #include "../mapping/CMapDefines.h" #include "../gameState/CGameState.h" #include "CGPathNode.h" VCMI_LIB_NAMESPACE_BEGIN namespace PathfinderUtil { using FoW = boost::multi_array; using ELayer = EPathfindingLayer; template EPathAccessibility evaluateAccessibility(const int3 & pos, const TerrainTile & tinfo, const FoW & fow, const PlayerColor player, const CGameState * gs) { if(!fow[pos.z][pos.x][pos.y]) return EPathAccessibility::BLOCKED; switch(layer) { case ELayer::LAND: case ELayer::SAIL: if(tinfo.visitable) { if(tinfo.visitableObjects.front()->ID == Obj::SANCTUARY && tinfo.visitableObjects.back()->ID == Obj::HERO && tinfo.visitableObjects.back()->tempOwner != player) //non-owned hero stands on Sanctuary { return EPathAccessibility::BLOCKED; } else { for(const CGObjectInstance * obj : tinfo.visitableObjects) { if(obj->isBlockedVisitable()) return EPathAccessibility::BLOCKVIS; else if(obj->passableFor(player)) return EPathAccessibility::ACCESSIBLE; else if(obj->ID != Obj::EVENT) return EPathAccessibility::VISITABLE; } } } else if(tinfo.blocked) { return EPathAccessibility::BLOCKED; } else if(gs->guardingCreaturePosition(pos).valid()) { // Monster close by; blocked visit for battle return EPathAccessibility::GUARDED; } break; case ELayer::WATER: if(tinfo.blocked || tinfo.terType->isLand()) return EPathAccessibility::BLOCKED; break; case ELayer::AIR: return EPathAccessibility::FLYABLE; break; } return EPathAccessibility::ACCESSIBLE; } } VCMI_LIB_NAMESPACE_END