X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=src%2Fobject%2Fpath_walker.cpp;h=d0d55ddfa416eb961dfc94e51ef61d60a58e6508;hb=5f1c84ed5ce0ab5450f92082a9aaaa9ca0effc39;hp=07c2b5ada38d277c7e5d14d10acd54999f0ba28f;hpb=07ddaed2a657e4d2a3d038fed223fc5827159caf;p=supertux.git diff --git a/src/object/path_walker.cpp b/src/object/path_walker.cpp index 07c2b5ada..d0d55ddfa 100644 --- a/src/object/path_walker.cpp +++ b/src/object/path_walker.cpp @@ -23,8 +23,8 @@ #include #include "path_walker.hpp" -PathWalker::PathWalker(const Path* path) - : path(path), current_node_nr(0), next_node_nr(0), node_time(0), +PathWalker::PathWalker(const Path* path, bool running) + : path(path), running(running), current_node_nr(0), next_node_nr(0), stop_at_node_nr(running?-1:0), node_time(0), walking_speed(1.0) { last_pos = path->nodes[0].position; @@ -39,6 +39,8 @@ PathWalker::~PathWalker() Vector PathWalker::advance(float elapsed_time) { + if (!running) return Vector(0,0); + assert(elapsed_time >= 0); elapsed_time *= fabsf(walking_speed); @@ -74,10 +76,33 @@ PathWalker::advance(float elapsed_time) return result; } +void +PathWalker::goto_node(int node_no) +{ + if (node_no == stop_at_node_nr) return; + running = true; + stop_at_node_nr = node_no; +} + +void +PathWalker::start_moving() +{ + running = true; + stop_at_node_nr = -1; +} + +void +PathWalker::stop_moving() +{ + stop_at_node_nr = next_node_nr; +} + + void PathWalker::advance_node() { current_node_nr = next_node_nr; + if (static_cast(current_node_nr) == stop_at_node_nr) running = false; if(next_node_nr + 1 < path->nodes.size()) { next_node_nr++;