-// $Id: path.hpp 3114 2006-03-23 23:47:04Z sommer $
-//
-// SuperTux Path
-// Copyright (C) 2005 Philipp <balinor@pnxs.de>
-// Copyright (C) 2006 Christoph Sommer <christoph.sommer@2006.expires.deltadevelopment.de>
+// SuperTux
+// Copyright (C) 2006 Matthias Braun <matze@braunis.de>
//
-// This program is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License, or (at your option) any later version.
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
-//
+//
// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-// 02111-1307, USA.
-#ifndef __PATH_WALKER_HPP__
-#define __PATH_WALKER_HPP__
-
-#include "path.hpp"
-#include "math/vector.hpp"
-#include "game_object.hpp"
-#include "lisp/lisp.hpp"
-#include "serializable.hpp"
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+#ifndef HEADER_SUPERTUX_OBJECT_PATH_WALKER_HPP
+#define HEADER_SUPERTUX_OBJECT_PATH_WALKER_HPP
+
+#include <string.h>
+
+#include "object/path.hpp"
/**
* A walker that travels along a path
class PathWalker
{
public:
- PathWalker(const Path* path);
+ PathWalker(const Path* path, bool running = true);
virtual ~PathWalker();
/**
- * advanves the path walker on the path and returns the position delta
- * to the last position
+ * advances the path walker on the path and returns its new position
*/
virtual Vector advance(float elapsed_time);
+ /** current position of path walker */
+ Vector get_pos();
+
+ /** advance until at given node, then stop */
+ void goto_node(int node_no);
+
+ /** start advancing automatically */
+ void start_moving();
+
+ /** stop advancing automatically */
+ void stop_moving();
+
+ /** returns true if PathWalker is currently moving */
+ bool is_moving() {
+ return running;
+ }
+
+ const Path* path;
+
private:
void advance_node();
void goback_node();
-
- const Path* path;
+
+ /**
+ * set to false to immediately stop advancing
+ */
+ bool running;
size_t current_node_nr;
size_t next_node_nr;
- Vector last_pos;
+ /**
+ * stop advancing automatically when this node is reached
+ */
+ int stop_at_node_nr;
- /** the time we already spend in the current node */
+ /**
+ * the position between the current node and the next node as fraction
+ * between 0 and 1
+ */
float node_time;
+ float node_mult;
float walking_speed;
+
+private:
+ PathWalker(const PathWalker&);
+ PathWalker& operator=(const PathWalker&);
};
#endif
+
+/* EOF */