From 08f6e874a8930899714e2c0d313a9ed9f4eec35c Mon Sep 17 00:00:00 2001 From: Dan Goodliffe Date: Sun, 14 Feb 2021 14:52:04 +0000 Subject: Link weak_ptrs --- game/vehicles/railloco.cpp | 16 +++++++++------- game/vehicles/vehicle.h | 2 +- 2 files changed, 10 insertions(+), 8 deletions(-) (limited to 'game/vehicles') diff --git a/game/vehicles/railloco.cpp b/game/vehicles/railloco.cpp index 54582c2..d06474c 100644 --- a/game/vehicles/railloco.cpp +++ b/game/vehicles/railloco.cpp @@ -12,23 +12,25 @@ void RailLoco::tick(TickDuration dur) { linkDist += dur.count() * speed; - while (linkDist > link->length) { - location = link->positionAt(link->length, linkDir); - const auto & nexts {link->nexts[1 - linkDir]}; + auto curLink {link.lock()}; + while (linkDist > curLink->length) { + location = curLink->positionAt(curLink->length, linkDir); + const auto & nexts {curLink->nexts[1 - linkDir]}; const auto next = std::find_if(nexts.begin(), nexts.end(), [ang = location.GetRot().y](const Link::Next & n) { - return std::abs(normalize(n.first->ends[n.second].second - ang)) < 0.1F; + return std::abs(normalize(n.first.lock()->ends[n.second].second - ang)) < 0.1F; }); if (next != nexts.end()) { - linkDist -= link->length; + linkDist -= curLink->length; link = next->first; + curLink = link.lock(); linkDir = next->second; } else { - linkDist = link->length; + linkDist = curLink->length; speed = 0; } } - location = link->positionAt(linkDist, linkDir); + location = curLink->positionAt(linkDist, linkDir); } Brush47::Brush47(const LinkPtr & l) : RailLoco(l, "brush47.obj", "brush47.png") { } diff --git a/game/vehicles/vehicle.h b/game/vehicles/vehicle.h index cd2249d..d59588c 100644 --- a/game/vehicles/vehicle.h +++ b/game/vehicles/vehicle.h @@ -9,7 +9,7 @@ class Vehicle : public WorldObject, public Physical { public: Vehicle(const LinkPtr & link, const std::string & obj, const std::string & tex); - LinkPtr link; // Which link are we travelling along + LinkWPtr link; // Which link are we travelling along unsigned char linkDir {0}; // Starting end e0->e1 or e1->e0 float linkDist {0}; // distance long current link float speed {50}; // speed in m/s (~75 km/h) -- cgit v1.2.3