Reworked Thunderstorm scripting

[supertux.git] / src / object / path_walker.cpp

diff --git a/src/object/path_walker.cpp b/src/object/path_walker.cpp
index abb42bc..29ee6fc 100644 (file)
--- a/src/object/path_walker.cpp
+++ b/src/object/path_walker.cpp
@@ -23,11 +23,10 @@
 #include <assert.h>
 #include "path_walker.hpp"
 
-PathWalker::PathWalker(const Path* path)
-  : path(path), current_node_nr(0), next_node_nr(0), stop_at_node_nr(-1), 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;
   node_mult = 1 / path->nodes[0].time;
   next_node_nr = path->nodes.size() > 1 ? 1 : 0;
 }
@@ -39,7 +38,7 @@ PathWalker::~PathWalker()
 Vector
 PathWalker::advance(float elapsed_time)
 {
-  if (static_cast<int>(current_node_nr) == stop_at_node_nr) return Vector(0,0);
+  if (!running) return path->nodes[current_node_nr].position;
 
   assert(elapsed_time >= 0);
 
@@ -70,21 +69,21 @@ PathWalker::advance(float elapsed_time)
   Vector new_pos = current_node->position + 
     (next_node->position - current_node->position) * node_time;
     
-  Vector result = new_pos - last_pos;
-  last_pos = new_pos;
-  
-  return result;
+  return new_pos;
 }
 
 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;
 }
 
@@ -99,6 +98,7 @@ void
 PathWalker::advance_node()
 {
   current_node_nr = next_node_nr;
+  if (static_cast<int>(current_node_nr) == stop_at_node_nr) running = false;
 
   if(next_node_nr + 1 < path->nodes.size()) {
     next_node_nr++;