Fix all #29358 issues
[supertux.git] / src / worldmap / worldmap.cpp
index cc4ec20..f6be69f 100644 (file)
@@ -1,13 +1,11 @@
-//  $Id$
-//
 //  SuperTux -  A Jump'n Run
-//  Copyright (C) 2004 Ingo Ruhnke <grumbel@gmx.de>
+//  Copyright (C) 2004 Ingo Ruhnke <grumbel@gmail.com>
 //  Copyright (C) 2006 Christoph Sommer <christoph.sommer@2006.expires.deltadevelopment.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
 //  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.
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#include "worldmap/worldmap.hpp"
+
 #include <config.h>
 
-#include <iostream>
+#include <assert.h>
 #include <fstream>
-#include <vector>
-#include <cassert>
-#include <stdexcept>
+#include <iostream>
+#include <physfs.h>
 #include <sstream>
+#include <stdexcept>
 #include <unistd.h>
-#include <physfs.h>
-
-#include "worldmap.hpp"
+#include <vector>
 
-#include "gettext.hpp"
-#include "log.hpp"
-#include "mainloop.hpp"
-#include "shrinkfade.hpp"
-#include "video/surface.hpp"
-#include "video/drawing_context.hpp"
-#include "sprite/sprite_manager.hpp"
 #include "audio/sound_manager.hpp"
-#include "lisp/parser.hpp"
-#include "lisp/lisp.hpp"
-#include "lisp/list_iterator.hpp"
-#include "lisp/writer.hpp"
-#include "game_session.hpp"
-#include "sector.hpp"
-#include "worldmap.hpp"
-#include "resources.hpp"
-#include "log.hpp"
-#include "world.hpp"
-#include "player_status.hpp"
-#include "textscroller.hpp"
-#include "main.hpp"
-#include "spawn_point.hpp"
-#include "file_system.hpp"
+#include "control/input_manager.hpp"
 #include "gui/menu.hpp"
+#include "gui/menu_manager.hpp"
 #include "gui/mousecursor.hpp"
-#include "control/joystickkeyboardcontroller.hpp"
+#include "lisp/lisp.hpp"
+#include "lisp/list_iterator.hpp"
+#include "lisp/parser.hpp"
 #include "object/background.hpp"
+#include "object/decal.hpp"
 #include "object/tilemap.hpp"
-#include "options_menu.hpp"
+#include "physfs/ifile_streambuf.hpp"
+#include "scripting/scripting.hpp"
 #include "scripting/squirrel_error.hpp"
 #include "scripting/squirrel_util.hpp"
+#include "sprite/sprite.hpp"
+#include "sprite/sprite_manager.hpp"
+#include "supertux/game_session.hpp"
+#include "supertux/gameconfig.hpp"
+#include "supertux/globals.hpp"
+#include "supertux/menu/menu_storage.hpp"
+#include "supertux/menu/options_menu.hpp"
+#include "supertux/menu/worldmap_menu.hpp"
+#include "supertux/player_status.hpp"
+#include "supertux/resources.hpp"
+#include "supertux/savegame.hpp"
+#include "supertux/screen_manager.hpp"
+#include "supertux/sector.hpp"
+#include "supertux/shrinkfade.hpp"
+#include "supertux/spawn_point.hpp"
+#include "supertux/textscroller.hpp"
+#include "supertux/tile_manager.hpp"
+#include "supertux/tile_set.hpp"
+#include "supertux/world.hpp"
+#include "util/file_system.hpp"
+#include "util/gettext.hpp"
+#include "util/log.hpp"
+#include "util/reader.hpp"
+#include "video/drawing_context.hpp"
+#include "video/surface.hpp"
 #include "worldmap/level.hpp"
 #include "worldmap/special_tile.hpp"
-#include "worldmap/tux.hpp"
 #include "worldmap/sprite_change.hpp"
+#include "worldmap/tux.hpp"
+#include "worldmap/worldmap.hpp"
 
-namespace WorldMapNS {
+static const float CAMERA_PAN_SPEED = 5.0;
 
-enum WorldMapMenuIDs {
-  MNID_RETURNWORLDMAP,
-  MNID_QUITWORLDMAP
-};
+namespace worldmap {
 
 WorldMap* WorldMap::current_ = NULL;
 
-Direction reverse_dir(Direction direction)
-{
-  switch(direction)
-    {
-    case D_WEST:
-      return D_EAST;
-    case D_EAST:
-      return D_WEST;
-    case D_NORTH:
-      return D_SOUTH;
-    case D_SOUTH:
-      return D_NORTH;
-    case D_NONE:
-      return D_NONE;
-    }
-  return D_NONE;
-}
-
-std::string
-direction_to_string(Direction direction)
-{
-  switch(direction)
-    {
-    case D_WEST:
-      return "west";
-    case D_EAST:
-      return "east";
-    case D_NORTH:
-      return "north";
-    case D_SOUTH:
-      return "south";
-    default:
-      return "none";
-    }
-}
-
-Direction
-string_to_direction(const std::string& directory)
+WorldMap::WorldMap(const std::string& filename, Savegame& savegame, const std::string& force_spawnpoint_) :
+  tux(),
+  m_savegame(savegame),
+  tileset(NULL),
+  free_tileset(false),
+  camera_offset(),
+  name(),
+  music(),
+  init_script(),
+  game_objects(),
+  solid_tilemaps(),
+  passive_message_timer(),
+  passive_message(),
+  map_filename(),
+  levels_path(),
+  special_tiles(),
+  levels(),
+  sprite_changes(),
+  spawn_points(),
+  teleporters(),
+  total_stats(),
+  worldmap_table(),
+  scripts(),
+  ambient_light( 1.0f, 1.0f, 1.0f, 1.0f ),
+  force_spawnpoint(force_spawnpoint_),
+  in_level(false),
+  pan_pos(),
+  panning(false),
+  last_position(),
+  last_target_time()
 {
-  if (directory == "west")
-    return D_WEST;
-  else if (directory == "east")
-    return D_EAST;
-  else if (directory == "north")
-    return D_NORTH;
-  else if (directory == "south")
-    return D_SOUTH;
-  else if (directory == "none")
-    return D_NONE;
-  else {
-    log_warning << "unknown direction: \"" << directory << "\"" << std::endl;
-    return D_NONE;
-  }
-}
-
-//---------------------------------------------------------------------------
-
-WorldMap::WorldMap(const std::string& filename, const std::string& force_spawnpoint)
-  : tux(0), solids(0), ambient_light( 1.0f, 1.0f, 1.0f, 1.0f ), force_spawnpoint(force_spawnpoint), in_level(false)
-{
-  tile_manager.reset(new TileManager("images/worldmap.strf"));
-
-  tux = new Tux(this);
+  tux = std::make_shared<Tux>(this);
   add_object(tux);
 
   name = "<no title>";
@@ -145,38 +119,45 @@ WorldMap::WorldMap(const std::string& filename, const std::string& force_spawnpo
 
   total_stats.reset();
 
-  worldmap_menu.reset(new Menu());
-  worldmap_menu->add_label(_("Pause"));
-  worldmap_menu->add_hl();
-  worldmap_menu->add_entry(MNID_RETURNWORLDMAP, _("Continue"));
-  worldmap_menu->add_submenu(_("Options"), get_options_menu());
-  worldmap_menu->add_hl();
-  worldmap_menu->add_entry(MNID_QUITWORLDMAP, _("Quit World"));
-
-  load(filename);
-
   // create a new squirrel table for the worldmap
-  using namespace Scripting;
+  using namespace scripting;
 
   sq_collectgarbage(global_vm);
   sq_newtable(global_vm);
   sq_pushroottable(global_vm);
   if(SQ_FAILED(sq_setdelegate(global_vm, -2)))
-    throw Scripting::SquirrelError(global_vm, "Couldn't set worldmap_table delegate");
+    throw scripting::SquirrelError(global_vm, "Couldn't set worldmap_table delegate");
 
   sq_resetobject(&worldmap_table);
   if(SQ_FAILED(sq_getstackobj(global_vm, -1, &worldmap_table)))
-    throw Scripting::SquirrelError(global_vm, "Couldn't get table from stack");
+    throw scripting::SquirrelError(global_vm, "Couldn't get table from stack");
 
   sq_addref(global_vm, &worldmap_table);
   sq_pop(global_vm, 1);
+
+  SoundManager::current()->preload("sounds/warp.wav");
+
+  // load worldmap objects
+  load(filename);
 }
 
 WorldMap::~WorldMap()
 {
-  using namespace Scripting;
+  using namespace scripting;
 
-  save_state();
+  if(free_tileset)
+    delete tileset;
+
+  for(GameObjects::iterator i = game_objects.begin();
+      i != game_objects.end(); ++i) {
+    GameObjectPtr& object = *i;
+    try_unexpose(object);
+  }
+
+  for(SpawnPoints::iterator i = spawn_points.begin();
+      i != spawn_points.end(); ++i) {
+    delete *i;
+  }
 
   for(ScriptList::iterator i = scripts.begin();
       i != scripts.end(); ++i) {
@@ -189,33 +170,51 @@ WorldMap::~WorldMap()
 
   if(current_ == this)
     current_ = NULL;
+}
 
-  for(GameObjects::iterator i = game_objects.begin();
-      i != game_objects.end(); ++i) {
-    GameObject* object = *i;
-    object->unref();
+void
+WorldMap::add_object(GameObjectPtr object)
+{
+  TileMap* tilemap = dynamic_cast<TileMap*>(object.get());
+  if(tilemap != 0 && tilemap->is_solid()) {
+    solid_tilemaps.push_back(tilemap);
   }
 
-  for(SpawnPoints::iterator i = spawn_points.begin();
-      i != spawn_points.end(); ++i) {
-    delete *i;
-  }
+  try_expose(object);
+  game_objects.push_back(object);
 }
 
 void
-WorldMap::add_object(GameObject* object)
+WorldMap::try_expose(const GameObjectPtr& object)
 {
-  TileMap* tilemap = dynamic_cast<TileMap*> (object);
-  if(tilemap != 0 && tilemap->is_solid()) {
-    solids = tilemap;
+  ScriptInterface* object_ = dynamic_cast<ScriptInterface*>(object.get());
+  if(object_ != NULL) {
+    HSQUIRRELVM vm = scripting::global_vm;
+    sq_pushobject(vm, worldmap_table);
+    object_->expose(vm, -1);
+    sq_pop(vm, 1);
   }
+}
 
-  object->ref();
-  game_objects.push_back(object);
+void
+WorldMap::try_unexpose(const GameObjectPtr& object)
+{
+  ScriptInterface* object_ = dynamic_cast<ScriptInterface*>(object.get());
+  if(object_ != NULL) {
+    HSQUIRRELVM vm = scripting::global_vm;
+    SQInteger oldtop = sq_gettop(vm);
+    sq_pushobject(vm, worldmap_table);
+    try {
+      object_->unexpose(vm, -1);
+    } catch(std::exception& e) {
+      log_warning << "Couldn't unregister object: " << e.what() << std::endl;
+    }
+    sq_settop(vm, oldtop);
+  }
 }
 
 void
-WorldMap::move_to_spawnpoint(const std::string& spawnpoint)
+WorldMap::move_to_spawnpoint(const std::string& spawnpoint, bool pan)
 {
   for(SpawnPoints::iterator i = spawn_points.begin(); i != spawn_points.end(); ++i) {
     SpawnPoint* sp = *i;
@@ -223,6 +222,11 @@ WorldMap::move_to_spawnpoint(const std::string& spawnpoint)
       Vector p = sp->pos;
       tux->set_tile_pos(p);
       tux->set_direction(sp->auto_dir);
+      if(pan) {
+        panning = true;
+        pan_pos = get_camera_pos_for_tux();
+        clamp_camera_position(pan_pos);
+      }
       return;
     }
   }
@@ -233,10 +237,10 @@ WorldMap::move_to_spawnpoint(const std::string& spawnpoint)
 }
 
 void
-WorldMap::change(const std::string& filename, const std::string& force_spawnpoint)
+WorldMap::change(const std::string& filename, const std::string& force_spawnpoint_)
 {
-  main_loop->exit_screen();
-  main_loop->push_screen(new WorldMap(filename, force_spawnpoint));
+  ScreenManager::current()->pop_screen();
+  ScreenManager::current()->push_screen(std::unique_ptr<Screen>(new WorldMap(filename, m_savegame, force_spawnpoint_)));
 }
 
 void
@@ -247,50 +251,72 @@ WorldMap::load(const std::string& filename)
 
   try {
     lisp::Parser parser;
-    std::auto_ptr<lisp::Lisp> root (parser.parse(map_filename));
+    const lisp::Lisp* root = parser.parse(map_filename);
 
-    const lisp::Lisp* lisp = root->get_lisp("supertux-level");
-    if(!lisp)
+    const lisp::Lisp* level_ = root->get_lisp("supertux-level");
+    if(level_ == NULL)
       throw std::runtime_error("file isn't a supertux-level file.");
 
-    lisp->get("name", name);
+    level_->get("name", name);
 
-    const lisp::Lisp* sector = lisp->get_lisp("sector");
+    const lisp::Lisp* sector = level_->get_lisp("sector");
     if(!sector)
-      throw std::runtime_error("No sector sepcified in worldmap file.");
+      throw std::runtime_error("No sector specified in worldmap file.");
+
+    const lisp::Lisp* tilesets_lisp = level_->get_lisp("tilesets");
+    if(tilesets_lisp != NULL) {
+      tileset      = TileManager::current()->parse_tileset_definition(*tilesets_lisp).release();
+      free_tileset = true;
+    }
+    std::string tileset_name;
+    if(level_->get("tileset", tileset_name)) {
+      if(tileset != NULL) {
+        log_warning << "multiple tilesets specified in level_" << std::endl;
+      } else {
+        tileset = TileManager::current()->get_tileset(tileset_name);
+      }
+    }
+    /* load default tileset */
+    if(tileset == NULL) {
+      tileset = TileManager::current()->get_tileset("images/worldmap.strf");
+    }
+    current_tileset = tileset;
 
     lisp::ListIterator iter(sector);
     while(iter.next()) {
       if(iter.item() == "tilemap") {
-        add_object(new TileMap(*(iter.lisp()), tile_manager.get()));
+        add_object(std::make_shared<TileMap>(*(iter.lisp())));
       } else if(iter.item() == "background") {
-        add_object(new Background(*(iter.lisp())));
+        add_object(std::make_shared<Background>(*(iter.lisp())));
       } else if(iter.item() == "music") {
         iter.value()->get(music);
       } else if(iter.item() == "init-script") {
         iter.value()->get(init_script);
       } else if(iter.item() == "worldmap-spawnpoint") {
-        SpawnPoint* sp = new SpawnPoint(iter.lisp());
+        SpawnPoint* sp = new SpawnPoint(*iter.lisp());
         spawn_points.push_back(sp);
       } else if(iter.item() == "level") {
-        LevelTile* level = new LevelTile(levels_path, iter.lisp());
-        levels.push_back(level);
+        auto level = std::make_shared<LevelTile>(levels_path, *iter.lisp());
+        levels.push_back(level.get());
         add_object(level);
       } else if(iter.item() == "special-tile") {
-        SpecialTile* special_tile = new SpecialTile(iter.lisp());
-        special_tiles.push_back(special_tile);
+        auto special_tile = std::make_shared<SpecialTile>(*iter.lisp());
+        special_tiles.push_back(special_tile.get());
         add_object(special_tile);
       } else if(iter.item() == "sprite-change") {
-        SpriteChange* sprite_change = new SpriteChange(iter.lisp());
-        sprite_changes.push_back(sprite_change);
+        auto sprite_change = std::make_shared<SpriteChange>(*iter.lisp());
+        sprite_changes.push_back(sprite_change.get());
         add_object(sprite_change);
       } else if(iter.item() == "teleporter") {
-        Teleporter* teleporter = new Teleporter(iter.lisp());
-        teleporters.push_back(teleporter);
+        auto teleporter = std::make_shared<Teleporter>(*iter.lisp());
+        teleporters.push_back(teleporter.get());
         add_object(teleporter);
+      } else if(iter.item() == "decal") {
+        auto decal = std::make_shared<Decal>(*iter.lisp());
+        add_object(decal);
       } else if(iter.item() == "ambient-light") {
         std::vector<float> vColor;
-        sector->get_vector( "ambient-light", vColor );
+        sector->get( "ambient-light", vColor );
         if(vColor.size() < 3) {
           log_warning << "(ambient-light) requires a color as argument" << std::endl;
         } else {
@@ -302,7 +328,9 @@ WorldMap::load(const std::string& filename)
         log_warning << "Unknown token '" << iter.item() << "' in worldmap" << std::endl;
       }
     }
-    if(solids == 0)
+    current_tileset = NULL;
+
+    if(solid_tilemaps.empty())
       throw std::runtime_error("No solid tilemap specified");
 
     move_to_spawnpoint("main");
@@ -323,7 +351,7 @@ WorldMap::get_level_title(LevelTile& level)
 
   try {
     lisp::Parser parser;
-    std::auto_ptr<lisp::Lisp> root (parser.parse(levels_path + level.get_name()));
+    const lisp::Lisp* root = parser.parse(levels_path + level.get_name());
 
     const lisp::Lisp* level_lisp = root->get_lisp("supertux-level");
     if(!level_lisp)
@@ -336,9 +364,36 @@ WorldMap::get_level_title(LevelTile& level)
   }
 }
 
+void
+WorldMap::get_level_target_time(LevelTile& level)
+{
+  if(last_position == tux->get_tile_pos()) {
+    level.target_time = last_target_time;
+    return;
+  }
+
+  try {
+    lisp::Parser parser;
+    const lisp::Lisp* root = parser.parse(levels_path + level.get_name());
+
+    const lisp::Lisp* level_lisp = root->get_lisp("supertux-level");
+    if(!level_lisp)
+      return;
+
+    level_lisp->get("target-time", level.target_time);
+
+    last_position = level.pos;
+    last_target_time = level.target_time;
+
+  } catch(std::exception& e) {
+    log_warning << "Problem when reading level target time: " << e.what() << std::endl;
+    return;
+  }
+}
+
 void WorldMap::calculate_total_stats()
 {
-  total_stats.reset();
+  total_stats.zero();
   for(LevelTiles::iterator i = levels.begin(); i != levels.end(); ++i) {
     LevelTile* level = *i;
     if (level->solved) {
@@ -351,11 +406,11 @@ void
 WorldMap::on_escape_press()
 {
   // Show or hide the menu
-  if(!Menu::current()) {
-    Menu::set_current(worldmap_menu.get());
+  if(!MenuManager::instance().is_active()) {
+    MenuManager::instance().set_menu(MenuStorage::WORLDMAP_MENU);
     tux->set_direction(D_NONE);  // stop tux movement when menu is called
   } else {
-    Menu::set_current(NULL);
+    MenuManager::instance().clear_menu_stack();
   }
 }
 
@@ -386,36 +441,38 @@ WorldMap::path_ok(Direction direction, const Vector& old_pos, Vector* new_pos)
 {
   *new_pos = get_next_tile(old_pos, direction);
 
-  if (!(new_pos->x >= 0 && new_pos->x < solids->get_width()
-        && new_pos->y >= 0 && new_pos->y < solids->get_height()))
-    { // New position is outsite the tilemap
-      return false;
-    }
+  if (!(new_pos->x >= 0 && new_pos->x < get_width()
+        && new_pos->y >= 0 && new_pos->y < get_height()))
+  { // New position is outsite the tilemap
+    return false;
+  }
   else
-    { // Check if the tile allows us to go to new_pos
-      switch(direction)
-        {
-        case D_WEST:
-          return (at(old_pos)->getData() & Tile::WORLDMAP_WEST
-              && at(*new_pos)->getData() & Tile::WORLDMAP_EAST);
-
-        case D_EAST:
-          return (at(old_pos)->getData() & Tile::WORLDMAP_EAST
-              && at(*new_pos)->getData() & Tile::WORLDMAP_WEST);
-
-        case D_NORTH:
-          return (at(old_pos)->getData() & Tile::WORLDMAP_NORTH
-              && at(*new_pos)->getData() & Tile::WORLDMAP_SOUTH);
-
-        case D_SOUTH:
-          return (at(old_pos)->getData() & Tile::WORLDMAP_SOUTH
-              && at(*new_pos)->getData() & Tile::WORLDMAP_NORTH);
-
-        case D_NONE:
-          assert(!"path_ok() can't walk if direction is NONE");
-        }
-      return false;
+  { // Check if the tile allows us to go to new_pos
+    int old_tile_data = tile_data_at(old_pos);
+    int new_tile_data = tile_data_at(*new_pos);
+    switch(direction)
+    {
+      case D_WEST:
+        return (old_tile_data & Tile::WORLDMAP_WEST
+                && new_tile_data & Tile::WORLDMAP_EAST);
+
+      case D_EAST:
+        return (old_tile_data & Tile::WORLDMAP_EAST
+                && new_tile_data & Tile::WORLDMAP_WEST);
+
+      case D_NORTH:
+        return (old_tile_data & Tile::WORLDMAP_NORTH
+                && new_tile_data & Tile::WORLDMAP_SOUTH);
+
+      case D_SOUTH:
+        return (old_tile_data & Tile::WORLDMAP_SOUTH
+                && new_tile_data & Tile::WORLDMAP_NORTH);
+
+      case D_NONE:
+        assert(!"path_ok() can't walk if direction is NONE");
     }
+    return false;
+  }
 }
 
 void
@@ -424,6 +481,10 @@ WorldMap::finished_level(Level* gamelevel)
   // TODO use Level* parameter here?
   LevelTile* level = at_level();
 
+  if(level == NULL) {
+    return;
+  }
+
   bool old_level_state = level->solved;
   level->solved = true;
   level->sprite->set_action("solved");
@@ -431,6 +492,12 @@ WorldMap::finished_level(Level* gamelevel)
   // deal with statistics
   level->statistics.merge(gamelevel->stats);
   calculate_total_stats();
+  get_level_target_time(*level);
+  if(level->statistics.completed(level->statistics, level->target_time)) {
+    level->perfect = true;
+    if(level->sprite->has_action("perfect"))
+      level->sprite->set_action("perfect");
+  }
 
   save_state();
 
@@ -439,27 +506,25 @@ WorldMap::finished_level(Level* gamelevel)
     // FIXME: Mostly a hack
     Direction dir = D_NONE;
 
-    const Tile* tile = at(tux->get_tile_pos());
-
-       int dirdata = tile->getData() & Tile::WORLDMAP_DIR_MASK;
+    int dirdata = available_directions_at(tux->get_tile_pos());
     // first, test for crossroads
     if (dirdata == Tile::WORLDMAP_CNSE ||
-               dirdata == Tile::WORLDMAP_CNSW ||
-               dirdata == Tile::WORLDMAP_CNEW ||
-               dirdata == Tile::WORLDMAP_CSEW ||
-               dirdata == Tile::WORLDMAP_CNSEW)
+        dirdata == Tile::WORLDMAP_CNSW ||
+        dirdata == Tile::WORLDMAP_CNEW ||
+        dirdata == Tile::WORLDMAP_CSEW ||
+        dirdata == Tile::WORLDMAP_CNSEW)
       dir = D_NONE;
     else if (dirdata & Tile::WORLDMAP_NORTH
-        && tux->back_direction != D_NORTH)
+             && tux->back_direction != D_NORTH)
       dir = D_NORTH;
     else if (dirdata & Tile::WORLDMAP_SOUTH
-        && tux->back_direction != D_SOUTH)
+             && tux->back_direction != D_SOUTH)
       dir = D_SOUTH;
     else if (dirdata & Tile::WORLDMAP_EAST
-        && tux->back_direction != D_EAST)
+             && tux->back_direction != D_EAST)
       dir = D_EAST;
     else if (dirdata & Tile::WORLDMAP_WEST
-        && tux->back_direction != D_WEST)
+             && tux->back_direction != D_WEST)
       dir = D_WEST;
 
     if (dir != D_NONE) {
@@ -472,83 +537,123 @@ WorldMap::finished_level(Level* gamelevel)
       std::istringstream in(level->extro_script);
       run_script(in, "worldmap:extro_script");
     } catch(std::exception& e) {
-      log_fatal << "Couldn't run level-extro-script: " << e.what() << std::endl;
+      log_warning << "Couldn't run level-extro-script: " << e.what() << std::endl;
     }
   }
 }
 
+Vector
+WorldMap::get_camera_pos_for_tux() {
+  Vector camera_offset_;
+  Vector tux_pos = tux->get_pos();
+  camera_offset_.x = tux_pos.x - SCREEN_WIDTH/2;
+  camera_offset_.y = tux_pos.y - SCREEN_HEIGHT/2;
+  return camera_offset_;
+}
+
+void
+WorldMap::clamp_camera_position(Vector& c) {
+  if (c.x < 0)
+    c.x = 0;
+  if (c.y < 0)
+    c.y = 0;
+
+  if (c.x > (int)get_width()*32 - SCREEN_WIDTH)
+    c.x = (int)get_width()*32 - SCREEN_WIDTH;
+  if (c.y > (int)get_height()*32 - SCREEN_HEIGHT)
+    c.y = (int)get_height()*32 - SCREEN_HEIGHT;
+
+  if (int(get_width()*32) < SCREEN_WIDTH)
+    c.x = get_width()*16.0 - SCREEN_WIDTH/2.0;
+  if (int(get_height()*32) < SCREEN_HEIGHT)
+    c.y = get_height()*16.0 - SCREEN_HEIGHT/2.0;
+}
+
 void
 WorldMap::update(float delta)
 {
-  if(!in_level) {
-    Menu* menu = Menu::current();
-    if(menu != NULL) {
-      menu->update();
-
-      if(menu == worldmap_menu.get()) {
-        switch (worldmap_menu->check())
-        {
-          case MNID_RETURNWORLDMAP: // Return to game
-            Menu::set_current(0);
-            break;
-          case MNID_QUITWORLDMAP: // Quit Worldmap
-            main_loop->exit_screen();
-            break;
-        }
-      }
-
-      return;
-    }
-
+  if (!in_level && !MenuManager::instance().is_active())
+  {
     // update GameObjects
     for(size_t i = 0; i < game_objects.size(); ++i) {
-      GameObject* object = game_objects[i];
-      object->update(delta);
+      GameObjectPtr& object = game_objects[i];
+      if(!panning || object != tux) {
+        object->update(delta);
+      }
     }
 
     // remove old GameObjects
     for(GameObjects::iterator i = game_objects.begin();
         i != game_objects.end(); ) {
-      GameObject* object = *i;
+      GameObjectPtr& object = *i;
       if(!object->is_valid()) {
-        object->unref();
+        try_unexpose(object);
         i = game_objects.erase(i);
       } else {
         ++i;
       }
     }
 
-    // position "camera"
-    Vector tux_pos = tux->get_pos();
-    camera_offset.x = tux_pos.x - SCREEN_WIDTH/2;
-    camera_offset.y = tux_pos.y - SCREEN_HEIGHT/2;
+    /* update solid_tilemaps list */
+    //FIXME: this could be more efficient
+    solid_tilemaps.clear();
+    for(auto i = game_objects.begin(); i != game_objects.end(); ++i)
+    {
+      TileMap* tm = dynamic_cast<TileMap*>(i->get());
+      if (!tm) continue;
+      if (tm->is_solid()) solid_tilemaps.push_back(tm);
+    }
 
-    if (camera_offset.x < 0)
-      camera_offset.x = 0;
-    if (camera_offset.y < 0)
-      camera_offset.y = 0;
+    Vector requested_pos;
 
-    if (camera_offset.x > (int)solids->get_width()*32 - SCREEN_WIDTH)
-      camera_offset.x = (int)solids->get_width()*32 - SCREEN_WIDTH;
-    if (camera_offset.y > (int)solids->get_height()*32 - SCREEN_HEIGHT)
-      camera_offset.y = (int)solids->get_height()*32 - SCREEN_HEIGHT;
+    // position "camera"
+    if(!panning) {
+      camera_offset = get_camera_pos_for_tux();
+    } else {
+      Vector delta__ = pan_pos - camera_offset;
+      float mag = delta__.norm();
+      if(mag > CAMERA_PAN_SPEED) {
+        delta__ *= CAMERA_PAN_SPEED/mag;
+      }
+      camera_offset += delta__;
+      if(camera_offset == pan_pos) {
+        panning = false;
+      }
+    }
 
-    if (int(solids->get_width()*32) < SCREEN_WIDTH)
-      camera_offset.x = solids->get_width()*16.0 - SCREEN_WIDTH/2.0;
-    if (int(solids->get_height()*32) < SCREEN_HEIGHT)
-      camera_offset.y = solids->get_height()*16.0 - SCREEN_HEIGHT/2.0;
+    requested_pos = camera_offset;
+    clamp_camera_position(camera_offset);
+
+    if(panning) {
+      if(requested_pos.x != camera_offset.x) {
+        pan_pos.x = camera_offset.x;
+      }
+      if(requested_pos.y != camera_offset.y) {
+        pan_pos.y = camera_offset.y;
+      }
+    }
 
     // handle input
+    Controller *controller = InputManager::current()->get_controller();
     bool enter_level = false;
-    if(main_controller->pressed(Controller::ACTION)
-        || main_controller->pressed(Controller::JUMP)
-        || main_controller->pressed(Controller::MENU_SELECT)) {
+    if(controller->pressed(Controller::ACTION)
+       || controller->pressed(Controller::JUMP)
+       || controller->pressed(Controller::MENU_SELECT)) {
       /* some people define UP and JUMP on the same key... */
-      if(!main_controller->pressed(Controller::UP))
-           enter_level = true;
-       }
-    if(main_controller->pressed(Controller::PAUSE_MENU))
+      if(!controller->pressed(Controller::UP))
+        enter_level = true;
+    }
+    if(controller->pressed(Controller::START) ||
+       controller->pressed(Controller::ESCAPE))
+    {
       on_escape_press();
+    }
+
+    if(controller->pressed(Controller::CHEAT_MENU) &&
+       g_config->developer_mode)
+    {
+      MenuManager::instance().set_menu(MenuStorage::WORLDMAP_CHEAT_MENU);
+    }
 
     // check for teleporters
     Teleporter* teleporter = at_teleporter(tux->get_tile_pos());
@@ -558,9 +663,9 @@ WorldMap::update(float delta)
         change(teleporter->worldmap, teleporter->spawnpoint);
       } else {
         // TODO: an animation, camera scrolling or a fading would be a nice touch
-        sound_manager->play("sounds/warp.wav");
+        SoundManager::current()->play("sounds/warp.wav");
         tux->back_direction = D_NONE;
-        move_to_spawnpoint(teleporter->spawnpoint);
+        move_to_spawnpoint(teleporter->spawnpoint, true);
       }
     }
 
@@ -568,52 +673,69 @@ WorldMap::update(float delta)
     LevelTile* level = at_level();
     if (level && (level->auto_play) && (!level->solved) && (!tux->is_moving())) {
       enter_level = true;
+      // automatically mark these levels as solved in case player aborts
+      level->solved = true;
     }
 
     if (enter_level && !tux->is_moving())
-      {
-        /* Check level action */
-        LevelTile* level = at_level();
-        if (!level) {
-          //Respawn if player on a tile with no level and nowhere to go.
-          const Tile* tile = at(tux->get_tile_pos());
-          if(!( tile->getData() & ( Tile::WORLDMAP_NORTH |  Tile::WORLDMAP_SOUTH | Tile::WORLDMAP_WEST | Tile::WORLDMAP_EAST ))){
-            log_warning << "Player at illegal position " << tux->get_tile_pos().x << ", " << tux->get_tile_pos().y << " respawning." << std::endl;
-            move_to_spawnpoint("main");
-            return;
-          }
-          log_warning << "No level to enter at: " << tux->get_tile_pos().x << ", " << tux->get_tile_pos().y << std::endl;
+    {
+      /* Check level action */
+      LevelTile* level_ = at_level();
+      if (!level_) {
+        //Respawn if player on a tile with no level and nowhere to go.
+        int tile_data = tile_data_at(tux->get_tile_pos());
+        if(!( tile_data & ( Tile::WORLDMAP_NORTH |  Tile::WORLDMAP_SOUTH | Tile::WORLDMAP_WEST | Tile::WORLDMAP_EAST ))){
+          log_warning << "Player at illegal position " << tux->get_tile_pos().x << ", " << tux->get_tile_pos().y << " respawning." << std::endl;
+          move_to_spawnpoint("main");
           return;
         }
+        log_warning << "No level to enter at: " << tux->get_tile_pos().x << ", " << tux->get_tile_pos().y << std::endl;
+        return;
+      }
 
-        if (level->pos == tux->get_tile_pos()) {
-          try {
-            Vector shrinkpos = Vector(level->pos.x*32 + 16 - camera_offset.x,
-                                      level->pos.y*32 + 16 - camera_offset.y);
-            std::string levelfile = levels_path + level->get_name();
+      if (level_->pos == tux->get_tile_pos()) {
+        try {
+          Vector shrinkpos = Vector(level_->pos.x*32 + 16 - camera_offset.x,
+                                    level_->pos.y*32 +  8 - camera_offset.y);
+          std::string levelfile = levels_path + level_->get_name();
 
-            // update state and savegame
-            save_state();
+          // update state and savegame
+          save_state();
 
-            main_loop->push_screen(new GameSession(levelfile, &level->statistics),
-                                   new ShrinkFade(shrinkpos, 0.5));
-            in_level = true;
-          } catch(std::exception& e) {
-            log_fatal << "Couldn't load level: " << e.what() << std::endl;
-          }
+          ScreenManager::current()->push_screen(std::unique_ptr<Screen>(new GameSession(levelfile, m_savegame, &level_->statistics)),
+                                        std::unique_ptr<ScreenFade>(new ShrinkFade(shrinkpos, 1.0f)));
+          in_level = true;
+        } catch(std::exception& e) {
+          log_fatal << "Couldn't load level: " << e.what() << std::endl;
         }
       }
+    }
     else
-      {
-  //      tux->set_direction(input_direction);
-      }
+    {
+      //      tux->set_direction(input_direction);
+    }
+  }
+}
+
+int
+WorldMap::tile_data_at(Vector p)
+{
+  int dirs = 0;
+
+  for(std::list<TileMap*>::const_iterator i = solid_tilemaps.begin(); i != solid_tilemaps.end(); ++i) {
+    TileMap* tilemap = *i;
+    const Tile* tile = tilemap->get_tile((int)p.x, (int)p.y);
+    int dirdata = tile->getData();
+    dirs |= dirdata;
   }
+
+  return dirs;
 }
 
-const Tile*
-WorldMap::at(Vector p)
+int
+WorldMap::available_directions_at(Vector p)
 {
-  return solids->get_tile((int) p.x, (int) p.y);
+  return tile_data_at(p) & Tile::WORLDMAP_DIR_MASK;
 }
 
 LevelTile*
@@ -668,20 +790,43 @@ WorldMap::at_teleporter(const Vector& pos)
 void
 WorldMap::draw(DrawingContext& context)
 {
-  if (int(solids->get_width()*32) < SCREEN_WIDTH || int(solids->get_height()*32) < SCREEN_HEIGHT)
+  if (int(get_width()*32) < SCREEN_WIDTH || int(get_height()*32) < SCREEN_HEIGHT)
     context.draw_filled_rect(Vector(0, 0), Vector(SCREEN_WIDTH, SCREEN_HEIGHT),
-      Color(0.0f, 0.0f, 0.0f, 1.0f), LAYER_BACKGROUND0);
+                             Color(0.0f, 0.0f, 0.0f, 1.0f), LAYER_BACKGROUND0);
 
   context.set_ambient_color( ambient_light );
   context.push_transform();
   context.set_translation(camera_offset);
 
-  for(GameObjects::iterator i = game_objects.begin();
-      i != game_objects.end(); ++i) {
-    GameObject* object = *i;
-    object->draw(context);
+  for(auto i = game_objects.begin(); i != game_objects.end(); ++i)
+  {
+    GameObjectPtr& object = *i;
+    if(!panning || object != tux) {
+      object->draw(context);
+    }
   }
 
+  /*
+  // FIXME: make this a runtime switch similar to draw_collrects/show_collrects?
+  // draw visual indication of possible walk directions
+  static int flipme = 0;
+  if (flipme++ & 0x04)
+  for (int x = 0; x < get_width(); x++) {
+  for (int y = 0; y < get_height(); y++) {
+  int data = tile_data_at(Vector(x,y));
+  int px = x * 32;
+  int py = y * 32;
+  const int W = 4;
+  if (data & Tile::WORLDMAP_NORTH)    context.draw_filled_rect(Rect(px + 16-W, py       , px + 16+W, py + 16-W), Color(0.2f, 0.2f, 0.2f, 0.7f), LAYER_FOREGROUND1 + 1000);
+  if (data & Tile::WORLDMAP_SOUTH)    context.draw_filled_rect(Rect(px + 16-W, py + 16+W, px + 16+W, py + 32  ), Color(0.2f, 0.2f, 0.2f, 0.7f), LAYER_FOREGROUND1 + 1000);
+  if (data & Tile::WORLDMAP_EAST)     context.draw_filled_rect(Rect(px + 16+W, py + 16-W, px + 32  , py + 16+W), Color(0.2f, 0.2f, 0.2f, 0.7f), LAYER_FOREGROUND1 + 1000);
+  if (data & Tile::WORLDMAP_WEST)     context.draw_filled_rect(Rect(px       , py + 16-W, px + 16-W, py + 16+W), Color(0.2f, 0.2f, 0.2f, 0.7f), LAYER_FOREGROUND1 + 1000);
+  if (data & Tile::WORLDMAP_DIR_MASK) context.draw_filled_rect(Rect(px + 16-W, py + 16-W, px + 16+W, py + 16+W), Color(0.2f, 0.2f, 0.2f, 0.7f), LAYER_FOREGROUND1 + 1000);
+  if (data & Tile::WORLDMAP_STOP)     context.draw_filled_rect(Rect(px + 4   , py + 4   , px + 28  , py + 28  ), Color(0.2f, 0.2f, 0.2f, 0.7f), LAYER_FOREGROUND1 + 1000);
+  }
+  }
+  */
+
   draw_status(context);
   context.pop_transform();
 }
@@ -692,7 +837,7 @@ WorldMap::draw_status(DrawingContext& context)
   context.push_transform();
   context.set_translation(Vector(0, 0));
 
-  player_status->draw(context);
+  m_savegame.get_player_status()->draw(context);
 
   if (!tux->is_moving()) {
     for(LevelTiles::iterator i = levels.begin(); i != levels.end(); ++i) {
@@ -702,25 +847,27 @@ WorldMap::draw_status(DrawingContext& context)
         if(level->title == "")
           get_level_title(*level);
 
-        context.draw_text(white_text, level->title,
+        context.draw_text(Resources::normal_font, level->title,
                           Vector(SCREEN_WIDTH/2,
-                                 SCREEN_HEIGHT - white_text->get_height() - 30),
-                          ALIGN_CENTER, LAYER_FOREGROUND1);
+                                 SCREEN_HEIGHT - Resources::normal_font->get_height() - 10),
+                          ALIGN_CENTER, LAYER_HUD, WorldMap::level_title_color);
 
         // if level is solved, draw level picture behind stats
         /*
-        if (level->solved) {
+          if (level->solved) {
           if (const Surface* picture = level->get_picture()) {
-            Vector pos = Vector(SCREEN_WIDTH - picture->get_width(), SCREEN_HEIGHT - picture->get_height());
-            context.push_transform();
-            context.set_alpha(0.5);
-            context.draw_surface(picture, pos, LAYER_FOREGROUND1-1);
-            context.pop_transform();
+          Vector pos = Vector(SCREEN_WIDTH - picture->get_width(), SCREEN_HEIGHT - picture->get_height());
+          context.push_transform();
+          context.set_alpha(0.5);
+          context.draw_surface(picture, pos, LAYER_FOREGROUND1-1);
+          context.pop_transform();
+          }
           }
-        }
         */
 
-        level->statistics.draw_worldmap_info(context);
+        if (level->target_time == 0.0f)
+          get_level_target_time(*level);
+        level->statistics.draw_worldmap_info(context, level->target_time);
         break;
       }
     }
@@ -732,10 +879,10 @@ WorldMap::draw_status(DrawingContext& context)
       if (special_tile->pos == tux->get_tile_pos()) {
         /* Display an in-map message in the map, if any as been selected */
         if(!special_tile->map_message.empty() && !special_tile->passive_message)
-          context.draw_text(gold_text, special_tile->map_message,
-              Vector(SCREEN_WIDTH/2,
-                SCREEN_HEIGHT - white_text->get_height() - 60),
-              ALIGN_CENTER, LAYER_FOREGROUND1);
+          context.draw_text(Resources::normal_font, special_tile->map_message,
+                            Vector(SCREEN_WIDTH/2,
+                                   SCREEN_HEIGHT - Resources::normal_font->get_height() - 60),
+                            ALIGN_CENTER, LAYER_FOREGROUND1, WorldMap::message_color);
         break;
       }
     }
@@ -743,17 +890,17 @@ WorldMap::draw_status(DrawingContext& context)
     // display teleporter messages
     Teleporter* teleporter = at_teleporter(tux->get_tile_pos());
     if (teleporter && (teleporter->message != "")) {
-      Vector pos = Vector(SCREEN_WIDTH/2, SCREEN_HEIGHT - white_text->get_height() - 30);
-      context.draw_text(white_text, teleporter->message, pos, ALIGN_CENTER, LAYER_FOREGROUND1);
+      Vector pos = Vector(SCREEN_WIDTH/2, SCREEN_HEIGHT - Resources::normal_font->get_height() - 30);
+      context.draw_text(Resources::normal_font, teleporter->message, pos, ALIGN_CENTER, LAYER_FOREGROUND1, WorldMap::teleporter_message_color);
     }
 
   }
 
   /* Display a passive message in the map, if needed */
   if(passive_message_timer.started())
-    context.draw_text(gold_text, passive_message,
-            Vector(SCREEN_WIDTH/2, SCREEN_HEIGHT - white_text->get_height() - 60),
-            ALIGN_CENTER, LAYER_FOREGROUND1);
+    context.draw_text(Resources::normal_font, passive_message,
+                      Vector(SCREEN_WIDTH/2, SCREEN_HEIGHT - Resources::normal_font->get_height() - 60),
+                      ALIGN_CENTER, LAYER_FOREGROUND1, WorldMap::message_color);
 
   context.pop_transform();
 }
@@ -761,8 +908,8 @@ WorldMap::draw_status(DrawingContext& context)
 void
 WorldMap::setup()
 {
-  sound_manager->play_music(music);
-  Menu::set_current(NULL);
+  SoundManager::current()->play_music(music);
+  MenuManager::instance().clear_menu_stack();
 
   current_ = this;
   load_state();
@@ -776,15 +923,24 @@ WorldMap::setup()
   tux->setup();
 
   // register worldmap_table as worldmap in scripting
-  using namespace Scripting;
+  using namespace scripting;
 
   sq_pushroottable(global_vm);
   sq_pushstring(global_vm, "worldmap", -1);
   sq_pushobject(global_vm, worldmap_table);
-  if(SQ_FAILED(sq_createslot(global_vm, -3)))
+  if(SQ_FAILED(sq_newslot(global_vm, -3, SQFalse)))
     throw SquirrelError(global_vm, "Couldn't set worldmap in roottable");
   sq_pop(global_vm, 1);
 
+  //Run default.nut just before init script
+  try {
+    IFileStreambuf ins(levels_path + "default.nut");
+    std::istream in(&ins);
+    run_script(in, "WorldMap::default.nut");
+  } catch(std::exception& ) {
+    // doesn't exist or erroneous; do nothing
+  }
+
   if(init_script != "") {
     std::istringstream in(init_script);
     run_script(in, "WorldMap::init");
@@ -794,9 +950,12 @@ WorldMap::setup()
 void
 WorldMap::leave()
 {
-  // remove worldmap_table from roottable
-  using namespace Scripting;
+  using namespace scripting;
+
+  // save state of world and player
+  save_state();
 
+  // remove worldmap_table from roottable
   sq_pushroottable(global_vm);
   sq_pushstring(global_vm, "worldmap", -1);
   if(SQ_FAILED(sq_deleteslot(global_vm, -2, SQFalse)))
@@ -804,104 +963,20 @@ WorldMap::leave()
   sq_pop(global_vm, 1);
 }
 
-static void store_float(HSQUIRRELVM vm, const char* name, float val)
-{
-  sq_pushstring(vm, name, -1);
-  sq_pushfloat(vm, val);
-  if(SQ_FAILED(sq_createslot(vm, -3)))
-    throw Scripting::SquirrelError(vm, "Couldn't add float value to table");
-}
-
-/*
-static void store_int(HSQUIRRELVM vm, const char* name, int val)
-{
-  sq_pushstring(vm, name, -1);
-  sq_pushinteger(vm, val);
-  if(SQ_FAILED(sq_createslot(vm, -3)))
-    throw Scripting::SquirrelError(vm, "Couldn't add float value to table");
-}
-*/
-
-static void store_string(HSQUIRRELVM vm, const char* name, const std::string& val)
-{
-  sq_pushstring(vm, name, -1);
-  sq_pushstring(vm, val.c_str(), val.length());
-  if(SQ_FAILED(sq_createslot(vm, -3)))
-    throw Scripting::SquirrelError(vm, "Couldn't add float value to table");
-}
-
-static void store_bool(HSQUIRRELVM vm, const char* name, bool val)
-{
-  sq_pushstring(vm, name, -1);
-  sq_pushbool(vm, val ? SQTrue : SQFalse);
-  if(SQ_FAILED(sq_createslot(vm, -3)))
-    throw Scripting::SquirrelError(vm, "Couldn't add float value to table");
-}
-
-static float read_float(HSQUIRRELVM vm, const char* name)
-{
-  sq_pushstring(vm, name, -1);
-  if(SQ_FAILED(sq_get(vm, -2))) {
-    std::ostringstream msg;
-    msg << "Couldn't get float value for '" << name << "' from table";
-    throw Scripting::SquirrelError(vm, msg.str());
-  }
-
-  float result;
-  if(SQ_FAILED(sq_getfloat(vm, -1, &result))) {
-    std::ostringstream msg;
-    msg << "Couldn't get float value for '" << name << "' from table";
-    throw Scripting::SquirrelError(vm, msg.str());
-  }
-  sq_pop(vm, 1);
-
-  return result;
-}
-
-static std::string read_string(HSQUIRRELVM vm, const char* name)
-{
-  sq_pushstring(vm, name, -1);
-  if(SQ_FAILED(sq_get(vm, -2))) {
-    std::ostringstream msg;
-    msg << "Couldn't get string value for '" << name << "' from table";
-    throw Scripting::SquirrelError(vm, msg.str());
-  }
-
-  const char* result;
-  if(SQ_FAILED(sq_getstring(vm, -1, &result))) {
-    std::ostringstream msg;
-    msg << "Couldn't get string value for '" << name << "' from table";
-    throw Scripting::SquirrelError(vm, msg.str());
-  }
-  sq_pop(vm, 1);
-
-  return std::string(result);
-}
-
-static bool read_bool(HSQUIRRELVM vm, const char* name)
+void
+WorldMap::set_levels_solved(bool solved, bool perfect)
 {
-  sq_pushstring(vm, name, -1);
-  if(SQ_FAILED(sq_get(vm, -2))) {
-    std::ostringstream msg;
-    msg << "Couldn't get bool value for '" << name << "' from table";
-    throw Scripting::SquirrelError(vm, msg.str());
-  }
-
-  SQBool result;
-  if(SQ_FAILED(sq_getbool(vm, -1, &result))) {
-    std::ostringstream msg;
-    msg << "Couldn't get bool value for '" << name << "' from table";
-    throw Scripting::SquirrelError(vm, msg.str());
+  for(auto& level : levels)
+  {
+    level->set_solved(solved);
+    level->set_perfect(perfect);
   }
-  sq_pop(vm, 1);
-
-  return result == SQTrue;
 }
 
 void
 WorldMap::save_state()
 {
-  using namespace Scripting;
+  using namespace scripting;
 
   HSQUIRRELVM vm = global_vm;
   int oldtop = sq_gettop(vm);
@@ -911,24 +986,25 @@ WorldMap::save_state()
     sq_pushroottable(vm);
     sq_pushstring(vm, "state", -1);
     if(SQ_FAILED(sq_get(vm, -2)))
-      throw Scripting::SquirrelError(vm, "Couldn't get state table");
+      throw scripting::SquirrelError(vm, "Couldn't get state table");
 
     // get or create worlds table
     sq_pushstring(vm, "worlds", -1);
     if(SQ_FAILED(sq_get(vm, -2))) {
       sq_pushstring(vm, "worlds", -1);
       sq_newtable(vm);
-      if(SQ_FAILED(sq_createslot(vm, -3)))
-        throw Scripting::SquirrelError(vm, "Couldn't create state.worlds");
+      if(SQ_FAILED(sq_newslot(vm, -3, SQFalse)))
+        throw scripting::SquirrelError(vm, "Couldn't create state.worlds");
 
       sq_pushstring(vm, "worlds", -1);
       if(SQ_FAILED(sq_get(vm, -2)))
-        throw Scripting::SquirrelError(vm, "Couldn't create.get state.worlds");
+        throw scripting::SquirrelError(vm, "Couldn't create.get state.worlds");
     }
 
     sq_pushstring(vm, map_filename.c_str(), map_filename.length());
     if(SQ_FAILED(sq_deleteslot(vm, -2, SQFalse)))
-      sq_pop(vm, 1);
+    {
+    }
 
     // construct new table for this worldmap
     sq_pushstring(vm, map_filename.c_str(), map_filename.length());
@@ -942,7 +1018,7 @@ WorldMap::save_state()
     store_float(vm, "y", tux->get_tile_pos().y);
     store_string(vm, "back", direction_to_string(tux->back_direction));
 
-    sq_createslot(vm, -3);
+    sq_newslot(vm, -3, SQFalse);
 
     // levels...
     sq_pushstring(vm, "levels", -1);
@@ -951,34 +1027,45 @@ WorldMap::save_state()
     for(LevelTiles::iterator i = levels.begin(); i != levels.end(); ++i) {
       LevelTile* level = *i;
 
-         sq_pushstring(vm, level->get_name().c_str(), -1);
-         sq_newtable(vm);
+      sq_pushstring(vm, level->get_name().c_str(), -1);
+      sq_newtable(vm);
 
-         store_bool(vm, "solved", level->solved);
-         // TODO write statistics
-         // i->statistics.write(writer);
+      store_bool(vm, "solved", level->solved);
+      store_bool(vm, "perfect", level->perfect);
+      level->statistics.serialize_to_squirrel(vm);
+
+      if(SQ_FAILED(sq_newslot(vm, -3, SQFalse)))
+      {
+        throw std::runtime_error("failed to create '" + name + "' table entry");
+      }
+    }
 
-         sq_createslot(vm, -3);
+    if(SQ_FAILED(sq_newslot(vm, -3, SQFalse)))
+    {
+      throw std::runtime_error("failed to create '" + name + "' table entry");
     }
 
-    sq_createslot(vm, -3);
+    // overall statistics...
+    total_stats.serialize_to_squirrel(vm);
 
     // push world into worlds table
-    sq_createslot(vm, -3);
+    if(SQ_FAILED(sq_newslot(vm, -3, SQFalse)))
+    {
+      throw std::runtime_error("failed to create '" + name + "' table entry");
+    }
   } catch(std::exception& ) {
     sq_settop(vm, oldtop);
   }
 
   sq_settop(vm, oldtop);
 
-  if(World::current() != NULL)
-    World::current()->save_state();
+  m_savegame.save();
 }
 
 void
 WorldMap::load_state()
 {
-  using namespace Scripting;
+  using namespace scripting;
 
   HSQUIRRELVM vm = global_vm;
   int oldtop = sq_gettop(vm);
@@ -988,22 +1075,22 @@ WorldMap::load_state()
     sq_pushroottable(vm);
     sq_pushstring(vm, "state", -1);
     if(SQ_FAILED(sq_get(vm, -2)))
-      throw Scripting::SquirrelError(vm, "Couldn't get state table");
+      throw scripting::SquirrelError(vm, "Couldn't get state table");
 
     // get worlds table
     sq_pushstring(vm, "worlds", -1);
     if(SQ_FAILED(sq_get(vm, -2)))
-      throw Scripting::SquirrelError(vm, "Couldn't get state.worlds");
+      throw scripting::SquirrelError(vm, "Couldn't get state.worlds");
 
     // get table for our world
     sq_pushstring(vm, map_filename.c_str(), map_filename.length());
     if(SQ_FAILED(sq_get(vm, -2)))
-      throw Scripting::SquirrelError(vm, "Couldn't get state.worlds.mapfilename");
+      throw scripting::SquirrelError(vm, "Couldn't get state.worlds.mapfilename");
 
     // load tux
     sq_pushstring(vm, "tux", -1);
     if(SQ_FAILED(sq_get(vm, -2)))
-      throw Scripting::SquirrelError(vm, "Couldn't get tux");
+      throw scripting::SquirrelError(vm, "Couldn't get tux");
 
     Vector p;
     p.x = read_float(vm, "x");
@@ -1017,20 +1104,29 @@ WorldMap::load_state()
     // load levels
     sq_pushstring(vm, "levels", -1);
     if(SQ_FAILED(sq_get(vm, -2)))
-      throw Scripting::SquirrelError(vm, "Couldn't get levels");
+      throw scripting::SquirrelError(vm, "Couldn't get levels");
 
     for(LevelTiles::iterator i = levels.begin(); i != levels.end(); ++i) {
       LevelTile* level = *i;
       sq_pushstring(vm, level->get_name().c_str(), -1);
       if(SQ_SUCCEEDED(sq_get(vm, -2))) {
         level->solved = read_bool(vm, "solved");
-        level->sprite->set_action(level->solved ? "solved" : "default");
-        // i->statistics.parse(*level);
+        level->perfect = read_bool(vm, "perfect");
+        if(!level->solved)
+          level->sprite->set_action("default");
+        else
+          level->sprite->set_action((level->sprite->has_action("perfect") && level->perfect) ? "perfect" : "solved");
+        level->statistics.unserialize_from_squirrel(vm);
         sq_pop(vm, 1);
       }
     }
+
+    // leave state table
     sq_pop(vm, 1);
 
+    // load overall statistics
+    total_stats.unserialize_from_squirrel(vm);
+
   } catch(std::exception& e) {
     log_debug << "Not loading worldmap state: " << e.what() << std::endl;
   }
@@ -1062,7 +1158,7 @@ WorldMap::solved_level_count()
 HSQUIRRELVM
 WorldMap::run_script(std::istream& in, const std::string& sourcename)
 {
-  using namespace Scripting;
+  using namespace scripting;
 
   // garbage collect thread list
   for(ScriptList::iterator i = scripts.begin();
@@ -1093,4 +1189,28 @@ WorldMap::run_script(std::istream& in, const std::string& sourcename)
   return vm;
 }
 
-} // namespace WorldMapNS
+float
+WorldMap::get_width() const
+{
+  float width = 0;
+  for(std::list<TileMap*>::const_iterator i = solid_tilemaps.begin(); i != solid_tilemaps.end(); ++i) {
+    TileMap* solids = *i;
+    if (solids->get_width() > width) width = solids->get_width();
+  }
+  return width;
+}
+
+float
+WorldMap::get_height() const
+{
+  float height = 0;
+  for(std::list<TileMap*>::const_iterator i = solid_tilemaps.begin(); i != solid_tilemaps.end(); ++i) {
+    TileMap* solids = *i;
+    if (solids->get_height() > height) height = solids->get_height();
+  }
+  return height;
+}
+
+} // namespace worldmap
+
+/* EOF */