mirror of https://github.com/AxioDL/metaforce.git
73 lines
3.0 KiB
C++
73 lines
3.0 KiB
C++
#include "Runtime/World/CPathFindSearch.hpp"
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namespace metaforce {
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bool CPathFindSearch::SegmentOver(const zeus::CVector3f& p1) const {
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if (x4_waypoints.size() > 1 && xc8_curWaypoint < x4_waypoints.size() - 1) {
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const zeus::CVector3f& wp0 = x4_waypoints[xc8_curWaypoint];
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const zeus::CVector3f& wp1 = x4_waypoints[xc8_curWaypoint + 1];
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const zeus::CVector3f& wp2 = x4_waypoints[std::min(u32(x4_waypoints.size()) - 1, xc8_curWaypoint + 2)];
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return (p1 - wp1).dot(wp2 - wp0) >= 0.f;
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}
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return true;
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}
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void CPathFindSearch::GetSplinePoint(zeus::CVector3f& pOut, const zeus::CVector3f& p1, u32 wpIdx) const {
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if (x4_waypoints.size() > 1 && wpIdx < x4_waypoints.size() - 1) {
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zeus::CVector3f a = (wpIdx == 0) ? x4_waypoints[0] * 2.f - x4_waypoints[1] : x4_waypoints[wpIdx - 1];
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const zeus::CVector3f& b = x4_waypoints[wpIdx];
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const zeus::CVector3f& c = x4_waypoints[wpIdx + 1];
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zeus::CVector3f d = (wpIdx + 2 >= x4_waypoints.size())
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? x4_waypoints[x4_waypoints.size() - 1] * 2.f - x4_waypoints[x4_waypoints.size() - 2]
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: x4_waypoints[wpIdx + 2];
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zeus::CVector3f delta = c - b;
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if (delta.isMagnitudeSafe())
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pOut = zeus::getCatmullRomSplinePoint(a, b, c, d, (p1 - b).dot(delta) / delta.magSquared());
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else
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pOut = b;
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}
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}
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void CPathFindSearch::GetSplinePoint(zeus::CVector3f& pOut, const zeus::CVector3f& p1) const {
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GetSplinePoint(pOut, p1, xc8_curWaypoint);
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}
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void CPathFindSearch::GetSplinePointWithLookahead(zeus::CVector3f& pOut, const zeus::CVector3f& p1, u32 wpIdx,
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float lookahead) const {
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if (x4_waypoints.size() > 1 && wpIdx < x4_waypoints.size() - 1) {
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const zeus::CVector3f& wp0 = x4_waypoints[wpIdx];
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const zeus::CVector3f& wp1 = x4_waypoints[wpIdx + 1];
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zeus::CVector3f delta = wp1 - wp0;
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if (delta.isMagnitudeSafe()) {
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float deltaMag = delta.magnitude();
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delta = delta * (1.f / deltaMag);
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float bToPtProj = (p1 - wp0).dot(delta);
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if (bToPtProj + lookahead <= deltaMag)
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GetSplinePoint(pOut, delta * lookahead + p1, wpIdx);
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else if (wpIdx < x4_waypoints.size() - 2)
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GetSplinePointWithLookahead(pOut, wp1, wpIdx + 1, lookahead - (deltaMag - bToPtProj));
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else
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pOut = delta * (lookahead - (deltaMag - bToPtProj)) + wp1;
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} else {
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pOut = wp1;
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}
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}
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}
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void CPathFindSearch::GetSplinePointWithLookahead(zeus::CVector3f& pOut, const zeus::CVector3f& p1,
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float lookahead) const {
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GetSplinePointWithLookahead(pOut, p1, xc8_curWaypoint, lookahead);
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}
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float CPathFindSearch::RemainingPathDistance(const zeus::CVector3f& pos) const {
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float f31 = 0.f;
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if (xc8_curWaypoint < x4_waypoints.size() - 1) {
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f31 += (x4_waypoints[xc8_curWaypoint + 1] - pos).magnitude();
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for (size_t i = xc8_curWaypoint + 1; i < x4_waypoints.size() - 1; ++i) {
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f31 += (x4_waypoints[i + 1] - x4_waypoints[i]).magnitude();
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}
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}
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return f31;
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}
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} // namespace metaforce
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