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#pragma once
#include "Treadable.h"
enum
{
PATH_CAR = 0,
PATH_PED = 1,
};
struct CPathNode
{
CVector pos;
CPathNode *prev;
CPathNode *next;
int16 distance; // in path search
int16 objectIndex;
int16 firstLink;
uint8 numLinks;
uint8 unkBits : 2;
uint8 bDeadEnd : 1;
uint8 bDisabled : 1;
uint8 bBetweenLevels : 1;
uint8 group;
/* For reference VC:
int16 prevIndex;
int16 nextIndex;
int16 x;
int16 y;
int16 z;
int16 distance;
int16 firstLink;
int8 width;
int8 group;
int8 numLinks : 4;
int8 bDeadEnd : 1;
int8 bTurnedOff : 1; // flag 8 in node info
int8 flagA40 : 1; // flag 20 in node info
int8 flagA80 : 1; // flag 4 in node info
int8 flagB1 : 1; // flag 10 in node info
int8 flagB2 : 1; // flag 2 in node info
int8 flagB4 : 1;
int8 speedLimit : 2; // speed limit
int8 flagB20 : 1;
int8 flagB40 : 1;
int8 flagB80 : 1;
int8 spawnRate : 4;
int8 flagsC : 4;
*/
};
union CConnectionFlags
{
uint8 flags;
struct {
uint8 bCrossesRoad : 1;
uint8 bTrafficLight : 1;
};
};
struct CCarPathLink
{
float posX;
float posY;
float dirX;
float dirY;
int16 pathNodeIndex;
int8 numLeftLanes;
int8 numRightLanes;
int8 trafficLightType;
uint8 bBridgeLights : 1;
// more?
};
struct CPathInfoForObject
{
int16 x;
int16 y;
int16 z;
int8 type;
int8 next;
int8 numLeftLanes;
int8 numRightLanes;
uint8 crossing : 1;
};
extern CPathInfoForObject *&InfoForTileCars;
extern CPathInfoForObject *&InfoForTilePeds;
struct CTempNode
{
CVector pos;
float dirX;
float dirY;
int16 link1;
int16 link2;
int8 numLeftLanes;
int8 numRightLanes;
int8 linkState;
};
struct CTempDetachedNode // unused
{
uint8 foo[20];
};
class CPathFind
{
public:
/* For reference VC:
CPathNode pathNodes[9650];
CCarPathLink m_carPathLinks[3500];
CBuilding *m_mapObjects[1250];
// 0x8000 is cross road flag
// 0x4000 is traffic light flag
uint16 m_connections[20400];
uint8 m_distances[20400];
int16 m_carPathConnections[20400];
*/
CPathNode m_pathNodes[NUM_PATHNODES];
CCarPathLink m_carPathLinks[NUM_CARPATHLINKS];
CTreadable *m_mapObjects[NUM_MAPOBJECTS];
uint8 m_objectFlags[NUM_MAPOBJECTS];
int16 m_connections[NUM_PATHCONNECTIONS];
int16 m_distances[NUM_PATHCONNECTIONS];
CConnectionFlags m_connectionFlags[NUM_PATHCONNECTIONS];
int16 m_carPathConnections[NUM_PATHCONNECTIONS];
int32 m_numPathNodes;
int32 m_numCarPathNodes;
int32 m_numPedPathNodes;
int16 m_numMapObjects;
int16 m_numConnections;
int32 m_numCarPathLinks;
int32 unk;
uint8 m_numGroups[2];
CPathNode m_searchNodes[512];
void Init(void);
void AllocatePathFindInfoMem(int16 numPathGroups);
void RegisterMapObject(CTreadable *mapObject);
void StoreNodeInfoPed(int16 id, int16 node, int8 type, int8 next, int16 x, int16 y, int16 z, int16 width, bool crossing);
void StoreNodeInfoCar(int16 id, int16 node, int8 type, int8 next, int16 x, int16 y, int16 z, int16 width, int8 numLeft, int8 numRight);
void CalcNodeCoors(int16 x, int16 y, int16 z, int32 id, CVector *out);
bool LoadPathFindData(void);
void PreparePathData(void);
void CountFloodFillGroups(uint8 type);
void PreparePathDataForType(uint8 type, CTempNode *tempnodes, CPathInfoForObject *objectpathinfo,
float unk, CTempDetachedNode *detachednodes, int unused);
bool IsPathObject(int id) { return id < PATHNODESIZE && (InfoForTileCars[id*12].type != 0 || InfoForTilePeds[id*12].type != 0); }
float CalcRoadDensity(float x, float y);
bool TestForPedTrafficLight(CPathNode *n1, CPathNode *n2);
bool TestCrossesRoad(CPathNode *n1, CPathNode *n2);
void AddNodeToList(CPathNode *node, int32 listId);
void RemoveNodeFromList(CPathNode *node);
void RemoveBadStartNode(CVector pos, CPathNode **nodes, int16 *n);
void SetLinksBridgeLights(float, float, float, float, bool);
void SwitchOffNodeAndNeighbours(int32 nodeId, bool disable);
void SwitchRoadsOffInArea(float x1, float x2, float y1, float y2, float z1, float z2, bool disable);
void SwitchPedRoadsOffInArea(float x1, float x2, float y1, float y2, float z1, float z2, bool disable);
void SwitchRoadsInAngledArea(float x1, float y1, float z1, float x2, float y2, float z2, float length, uint8 type, uint8 enable);
void MarkRoadsBetweenLevelsNodeAndNeighbours(int32 nodeId);
void MarkRoadsBetweenLevelsInArea(float x1, float x2, float y1, float y2, float z1, float z2);
void MarkPedRoadsBetweenLevelsInArea(float x1, float x2, float y1, float y2, float z1, float z2);
int32 FindNodeClosestToCoors(CVector coors, uint8 type, float distLimit, bool ignoreDisabled = false, bool ignoreBetweenLevels = false);
int32 FindNodeClosestToCoorsFavourDirection(CVector coors, uint8 type, float dirX, float dirY);
float FindNodeOrientationForCarPlacement(int32 nodeId);
float FindNodeOrientationForCarPlacementFacingDestination(int32 nodeId, float x, float y, bool towards);
bool NewGenerateCarCreationCoors(float x, float y, float dirX, float dirY, float spawnDist, float angleLimit, bool forward, CVector *pPosition, int32 *pNode1, int32 *pNode2, float *pPositionBetweenNodes, bool ignoreDisabled = false);
bool GeneratePedCreationCoors(float x, float y, float minDist, float maxDist, float minDistOffScreen, float maxDistOffScreen, CVector *pPosition, int32 *pNode1, int32 *pNode2, float *pPositionBetweenNodes, CMatrix *camMatrix);
CTreadable *FindRoadObjectClosestToCoors(CVector coors, uint8 type);
void FindNextNodeWandering(uint8, CVector, CPathNode**, CPathNode**, uint8, uint8*);
void DoPathSearch(uint8 type, CVector start, int32 startNodeId, CVector target, CPathNode **nodes, int16 *numNodes, int16 maxNumNodes, CVehicle *vehicle, float *dist, float distLimit, int32 forcedTargetNode);
bool TestCoorsCloseness(CVector target, uint8 type, CVector start);
void Save(uint8 *buffer, uint32 *length);
void Load(uint8 *buffer, uint32 length);
};
static_assert(sizeof(CPathFind) == 0x49bf4, "CPathFind: error");
extern CPathFind &ThePaths;
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