metaforce/Runtime/World/CPathFindSearch.hpp

#pragma once

#include "RetroTypes.hpp"
#include "CPathFindArea.hpp"

namespace urde
{

class CPathFindSearch
{
public:
    enum class EResult
    {
        Success,
        InvalidArea,
        NoSourcePoint,
        NoDestPoint,
        NoPath
    };
private:
    CPFArea* x0_area;
    rstl::reserved_vector<zeus::CVector3f, 16> x4_waypoints;
    u32 xc8_curWaypoint = 0;
    EResult xcc_result;
    float xd0_chHeight;
    float xd4_chRadius;
    float xd8_padding = 10.f;
    u32 xdc_flags; // 0x2: flyer, 0x4: path-always-exists (swimmers)
    u32 xe0_indexMask;
    bool Search(rstl::reserved_vector<CPFRegion*, 4>& regs1, const zeus::CVector3f& p1,
                rstl::reserved_vector<CPFRegion*, 4>& regs2, const zeus::CVector3f& p2);
    void GetSplinePoint(zeus::CVector3f& pOut, const zeus::CVector3f& p1, u32 wpIdx) const;
    void GetSplinePointWithLookahead(zeus::CVector3f& pOut, const zeus::CVector3f& p1,
                                     u32 wpIdx, float lookahead) const;
public:
    CPathFindSearch(CPFArea* area, u32 flags, u32 index, float chRadius, float chHeight);
    EResult Search(const zeus::CVector3f& p1, const zeus::CVector3f& p2);
    EResult FindClosestReachablePoint(const zeus::CVector3f& p1, zeus::CVector3f& p2) const;
    EResult PathExists(const zeus::CVector3f& p1, const zeus::CVector3f& p2) const;
    EResult OnPath(const zeus::CVector3f& p1) const;
    EResult GetResult() const { return xcc_result; }
    u32 GetCurrentWaypoint() const { return xc8_curWaypoint; }
    void SetCurrentWaypoint(u32 wp) { xc8_curWaypoint = wp; }
    const rstl::reserved_vector<zeus::CVector3f, 16>& GetWaypoints() const { return x4_waypoints; }
    bool IsOver() const { return GetCurrentWaypoint() >= x4_waypoints.size(); }
    bool IsShagged() const { return GetResult() != EResult::Success; }
    bool SegmentOver(const zeus::CVector3f& p1) const;
    void GetSplinePoint(zeus::CVector3f& pOut, const zeus::CVector3f& p1) const;
    void GetSplinePointWithLookahead(zeus::CVector3f& pOut, const zeus::CVector3f& p1, float lookahead) const;
};

}