mirror of
https://github.com/vcmi/vcmi.git
synced 2024-11-24 08:32:34 +02:00
144 lines
4.6 KiB
C++
144 lines
4.6 KiB
C++
/*
|
|
* CPathfinder.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 "CGPathNode.h"
|
|
#include "../IGameCallback.h"
|
|
#include "../bonuses/BonusEnum.h"
|
|
|
|
#include <boost/container/static_vector.hpp>
|
|
#include <boost/container/small_vector.hpp>
|
|
|
|
VCMI_LIB_NAMESPACE_BEGIN
|
|
|
|
class CGWhirlpool;
|
|
struct TurnInfo;
|
|
struct PathfinderOptions;
|
|
|
|
// Optimized storage - tile can have 0-8 neighbour tiles
|
|
// static_vector uses fixed, preallocated storage (capacity) and dynamic size
|
|
// this avoid dynamic allocations on huge number of neighbour list queries
|
|
using NeighbourTilesVector = boost::container::static_vector<int3, 8>;
|
|
|
|
// Optimized storage to minimize dynamic allocations - most of teleporters have only one exit, but some may have more (premade maps, castle gates)
|
|
using TeleporterTilesVector = boost::container::small_vector<int3, 4>;
|
|
|
|
class DLL_LINKAGE CPathfinder
|
|
{
|
|
public:
|
|
friend class CPathfinderHelper;
|
|
|
|
CPathfinder(
|
|
CGameState * _gs,
|
|
std::shared_ptr<PathfinderConfig> config);
|
|
|
|
void calculatePaths(); //calculates possible paths for hero, uses current hero position and movement left; returns pointer to newly allocated CPath or nullptr if path does not exists
|
|
|
|
private:
|
|
CGameState * gamestate;
|
|
|
|
using ELayer = EPathfindingLayer;
|
|
|
|
std::shared_ptr<PathfinderConfig> config;
|
|
|
|
boost::heap::fibonacci_heap<CGPathNode *, boost::heap::compare<NodeComparer<CGPathNode>> > pq;
|
|
|
|
PathNodeInfo source; //current (source) path node -> we took it from the queue
|
|
CDestinationNodeInfo destination; //destination node -> it's a neighbour of source that we consider
|
|
|
|
bool isLayerTransitionPossible() const;
|
|
EPathNodeAction getTeleportDestAction() const;
|
|
|
|
bool isDestinationGuardian() const;
|
|
|
|
void initializeGraph();
|
|
|
|
STRONG_INLINE
|
|
void push(CGPathNode * node);
|
|
|
|
STRONG_INLINE
|
|
CGPathNode * topAndPop();
|
|
};
|
|
|
|
class DLL_LINKAGE CPathfinderHelper : private CGameInfoCallback
|
|
{
|
|
public:
|
|
enum EPatrolState
|
|
{
|
|
PATROL_NONE = 0,
|
|
PATROL_LOCKED = 1,
|
|
PATROL_RADIUS
|
|
} patrolState;
|
|
std::unordered_set<int3> patrolTiles;
|
|
|
|
int turn;
|
|
PlayerColor owner;
|
|
const CGHeroInstance * hero;
|
|
std::vector<TurnInfo *> turnsInfo;
|
|
const PathfinderOptions & options;
|
|
bool canCastFly;
|
|
bool canCastWaterWalk;
|
|
bool whirlpoolProtection;
|
|
|
|
CPathfinderHelper(CGameState * gs, const CGHeroInstance * Hero, const PathfinderOptions & Options);
|
|
virtual ~CPathfinderHelper();
|
|
void initializePatrol();
|
|
bool isHeroPatrolLocked() const;
|
|
bool canMoveFromNode(const PathNodeInfo & source) const;
|
|
bool isPatrolMovementAllowed(const int3 & dst) const;
|
|
void updateTurnInfo(const int turn = 0);
|
|
bool isLayerAvailable(const EPathfindingLayer & layer) const;
|
|
const TurnInfo * getTurnInfo() const;
|
|
bool hasBonusOfType(BonusType type) const;
|
|
int getMaxMovePoints(const EPathfindingLayer & layer) const;
|
|
|
|
TeleporterTilesVector getCastleGates(const PathNodeInfo & source) const;
|
|
bool isAllowedTeleportEntrance(const CGTeleport * obj) const;
|
|
TeleporterTilesVector getAllowedTeleportChannelExits(const TeleportChannelID & channelID) const;
|
|
bool addTeleportTwoWay(const CGTeleport * obj) const;
|
|
bool addTeleportOneWay(const CGTeleport * obj) const;
|
|
bool addTeleportOneWayRandom(const CGTeleport * obj) const;
|
|
bool addTeleportWhirlpool(const CGWhirlpool * obj) const;
|
|
bool canMoveBetween(const int3 & a, const int3 & b) const; //checks only for visitable objects that may make moving between tiles impossible, not other conditions (like tiles itself accessibility)
|
|
|
|
void calculateNeighbourTiles(NeighbourTilesVector & result, const PathNodeInfo & source) const;
|
|
TeleporterTilesVector getTeleportExits(const PathNodeInfo & source) const;
|
|
|
|
void getNeighbours(
|
|
const TerrainTile & srcTile,
|
|
const int3 & srcCoord,
|
|
NeighbourTilesVector & vec,
|
|
const boost::logic::tribool & onLand,
|
|
const bool limitCoastSailing) const;
|
|
|
|
int getMovementCost(
|
|
const int3 & src,
|
|
const int3 & dst,
|
|
const TerrainTile * ct,
|
|
const TerrainTile * dt,
|
|
const int remainingMovePoints = -1,
|
|
const bool checkLast = true,
|
|
boost::logic::tribool isDstSailLayer = boost::logic::indeterminate,
|
|
boost::logic::tribool isDstWaterLayer = boost::logic::indeterminate) const;
|
|
|
|
int getMovementCost(
|
|
const PathNodeInfo & src,
|
|
const PathNodeInfo & dst,
|
|
const int remainingMovePoints = -1,
|
|
const bool checkLast = true) const;
|
|
|
|
int movementPointsAfterEmbark(int movement, int basicCost, bool disembark) const;
|
|
bool passOneTurnLimitCheck(const PathNodeInfo & source) const;
|
|
|
|
int getGuardiansCount(int3 tile) const;
|
|
};
|
|
|
|
VCMI_LIB_NAMESPACE_END
|