Proposed fix for coverity #29372
[supertux.git] / src / scripting / functions.cpp
index b978813..2c906ff 100644 (file)
@@ -1,12 +1,10 @@
-//  $Id$
-//
 //  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
 //  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.
-
-#include <config.h>
-
-#include <memory>
-#include <stdio.h>
-#include <string>
-#include <squirrel.h>
-#include <sqstdio.h>
-#include "textscroller.hpp"
-#include "functions.hpp"
-#include "game_session.hpp"
-#include "tinygettext/tinygettext.hpp"
-#include "physfs/physfs_stream.hpp"
-#include "resources.hpp"
-#include "gettext.hpp"
-#include "log.hpp"
-#include "mainloop.hpp"
-#include "worldmap/worldmap.hpp"
-#include "world.hpp"
-#include "sector.hpp"
-#include "gameconfig.hpp"
-#include "object/player.hpp"
-#include "object/tilemap.hpp"
-#include "main.hpp"
-#include "fadeout.hpp"
-#include "shrinkfade.hpp"
-#include "object/camera.hpp"
-#include "flip_level_transformer.hpp"
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#include "scripting/functions.hpp"
+
 #include "audio/sound_manager.hpp"
-#include "random_generator.hpp"
+#include "math/random_generator.hpp"
+#include "object/camera.hpp"
+#include "object/player.hpp"
+#include "physfs/buffered_ifile_stream.hpp"
+#include "supertux/fadeout.hpp"
+#include "supertux/game_session.hpp"
+#include "supertux/gameconfig.hpp"
+#include "supertux/globals.hpp"
+#include "supertux/screen_manager.hpp"
+#include "supertux/sector.hpp"
+#include "supertux/shrinkfade.hpp"
+#include "supertux/textscroller.hpp"
+#include "supertux/tile.hpp"
+#include "supertux/world.hpp"
+#include "util/gettext.hpp"
+#include "video/renderer.hpp"
+#include "video/video_system.hpp"
+#include "worldmap/tux.hpp"
+#include "worldmap/worldmap.hpp"
 
-#include "squirrel_error.hpp"
-#include "squirrel_util.hpp"
-#include "time_scheduler.hpp"
+#include "scripting/squirrel_util.hpp"
+#include "scripting/time_scheduler.hpp"
 
-namespace Scripting
-{
+namespace scripting {
 
 SQInteger display(HSQUIRRELVM vm)
 {
-  Console::output << squirrel2string(vm, -1) << std::endl;
+  ConsoleBuffer::output << squirrel2string(vm, -1) << std::endl;
   return 0;
 }
 
@@ -78,62 +66,72 @@ void wait(HSQUIRRELVM vm, float seconds)
 
 void wait_for_screenswitch(HSQUIRRELVM vm)
 {
-  main_loop->waiting_threads.add(vm);
+  ScreenManager::current()->m_waiting_threads.add(vm);
 }
 
 void exit_screen()
 {
-  main_loop->exit_screen();
+  ScreenManager::current()->pop_screen();
 }
 
 void fadeout_screen(float seconds)
 {
-  main_loop->set_screen_fade(new FadeOut(seconds));
+  ScreenManager::current()->set_screen_fade(std::unique_ptr<ScreenFade>(new FadeOut(seconds)));
 }
 
 void shrink_screen(float dest_x, float dest_y, float seconds)
 {
-  main_loop->set_screen_fade(new ShrinkFade(Vector(dest_x, dest_y), seconds));
+  ScreenManager::current()->set_screen_fade(std::unique_ptr<ScreenFade>(new ShrinkFade(Vector(dest_x, dest_y), seconds)));
+}
+
+void abort_screenfade()
+{
+  ScreenManager::current()->set_screen_fade(std::unique_ptr<ScreenFade>());
 }
 
 std::string translate(const std::string& text)
 {
-  return dictionary_manager.get_dictionary().translate(text);
+  return g_dictionary_manager->get_dictionary().translate(text);
 }
 
 void display_text_file(const std::string& filename)
 {
-  main_loop->push_screen(new TextScroller(filename));
+  ScreenManager::current()->push_screen(std::unique_ptr<Screen>(new TextScroller(filename)));
 }
 
 void load_worldmap(const std::string& filename)
 {
-  using namespace WorldMapNS;
+  using namespace worldmap;
 
-  main_loop->push_screen(new WorldMap(filename));
+  if (!WorldMap::current())
+  {
+    throw std::runtime_error("Can't start Worldmap without active WorldMap");
+  }
+  else
+  {
+    ScreenManager::current()->push_screen(std::unique_ptr<Screen>(new WorldMap(filename, WorldMap::current()->get_savegame())));
+  }
 }
 
 void load_level(const std::string& filename)
 {
-  main_loop->push_screen(new GameSession(filename));
-}
-
-static SQInteger squirrel_read_char(SQUserPointer file)
-{
-  std::istream* in = reinterpret_cast<std::istream*> (file);
-  char c = in->get();
-  if(in->eof())
-    return 0;
-
-  return c;
+  if (!GameSession::current())
+  {
+    throw std::runtime_error("Can't start level without active level.");
+  }
+  else
+  {
+    ScreenManager::current()->push_screen(std::unique_ptr<Screen>(new GameSession(filename, GameSession::current()->get_savegame())));
+  }
 }
 
 void import(HSQUIRRELVM vm, const std::string& filename)
 {
-  IFileStream in(filename);
+  BufferedIFileStream* stream = new BufferedIFileStream(filename);
+  IFileStream* in = stream->get_stream();
 
   if(SQ_FAILED(sq_compile(vm, squirrel_read_char, &in,
-          filename.c_str(), SQTrue)))
+                          filename.c_str(), SQTrue)))
     throw SquirrelError(vm, "Couldn't parse script");
 
   sq_pushroottable(vm);
@@ -151,7 +149,7 @@ void debug_collrects(bool enable)
 
 void debug_show_fps(bool enable)
 {
-  config->show_fps = enable;
+  g_config->show_fps = enable;
 }
 
 void debug_draw_solids_only(bool enable)
@@ -159,26 +157,33 @@ void debug_draw_solids_only(bool enable)
   Sector::draw_solids_only = enable;
 }
 
-void save_state()
+void debug_draw_editor_images(bool enable)
 {
-  using namespace WorldMapNS;
+  Tile::draw_editor_images = enable;
+}
 
-  if(World::current() == NULL)
-    throw std::runtime_error("Can't save state without active World");
+void debug_worldmap_ghost(bool enable)
+{
+  using namespace worldmap;
 
-  if(WorldMap::current() != NULL)
-    WorldMap::current()->save_state();
-  World::current()->save_state();
+  if(WorldMap::current() == NULL)
+    throw std::runtime_error("Can't change ghost mode without active WorldMap");
+
+  WorldMap::current()->get_tux()->set_ghost_mode(enable);
 }
 
-void update_worldmap()
+void save_state()
 {
-  using namespace WorldMapNS;
+  using worldmap::WorldMap;
 
-  if(World::current() == NULL)
-    throw std::runtime_error("Can't save state without active World");
-
-  WorldMap::current()->load_state();
+  if (!WorldMap::current())
+  {
+    throw std::runtime_error("Can't save state without active Worldmap");
+  }
+  else
+  {
+    WorldMap::current()->save_state();
+  }
 }
 
 // not added to header, function to only be used by others
@@ -188,32 +193,32 @@ bool validate_sector_player()
   if (Sector::current() == 0)
   {
     log_info << "No current sector." << std::endl;
-       return false;
+    return false;
   }
 
   if (Sector::current()->player == 0)
   {
     log_info << "No player." << std::endl;
-       return false;
+    return false;
   }
   return true;
 }
 
 void play_music(const std::string& filename)
 {
-  sound_manager->play_music(filename);
+  SoundManager::current()->play_music(filename);
 }
 
 void play_sound(const std::string& filename)
 {
-  sound_manager->play(filename);
+  SoundManager::current()->play(filename);
 }
 
 void grease()
 {
   if (!validate_sector_player()) return;
-  ::Player* tux = Sector::current()->player; // Scripting::Player != ::Player
-  tux->physic.set_velocity_x(tux->physic.get_velocity_x()*3);
+  ::Player* tux = Sector::current()->player; // scripting::Player != ::Player
+  tux->get_physic().set_velocity_x(tux->get_physic().get_velocity_x()*3);
 }
 
 void invincible()
@@ -252,7 +257,7 @@ void whereami()
 {
   if (!validate_sector_player()) return;
   ::Player* tux = Sector::current()->player;
-  log_info << "You are at x " << tux->get_pos().x << ", y " << tux->get_pos().y << std::endl;
+  log_info << "You are at x " << ((int) tux->get_pos().x) << ", y " << ((int) tux->get_pos().y) << std::endl;
 }
 
 void gotoend()
@@ -260,9 +265,9 @@ void gotoend()
   if (!validate_sector_player()) return;
   ::Player* tux = Sector::current()->player;
   tux->move(Vector(
-          (Sector::current()->get_width()) - (SCREEN_WIDTH*2), 0));
+              (Sector::current()->get_width()) - (SCREEN_WIDTH*2), 0));
   Sector::current()->camera->reset(
-        Vector(tux->get_pos().x, tux->get_pos().y));
+    Vector(tux->get_pos().x, tux->get_pos().y));
 }
 
 void camera()
@@ -271,14 +276,51 @@ void camera()
   log_info << "Camera is at " << Sector::current()->camera->get_translation().x << "," << Sector::current()->camera->get_translation().y << std::endl;
 }
 
+void set_gamma(float gamma)
+{
+  VideoSystem::current()->get_renderer().set_gamma(gamma);
+}
+
 void quit()
 {
-  main_loop->quit();
+  ScreenManager::current()->quit();
 }
 
 int rand()
 {
-  return systemRandom.rand();
+  return gameRandom.rand();
 }
 
+void set_game_speed(float speed)
+{
+  ::g_game_speed = speed;
 }
+
+void record_demo(const std::string& filename)
+{
+  if (GameSession::current() == 0)
+  {
+    log_info << "No game session" << std::endl;
+    return;
+  }
+  GameSession::current()->restart_level();
+  GameSession::current()->record_demo(filename);
+}
+
+void play_demo(const std::string& filename)
+{
+  if (GameSession::current() == 0)
+  {
+    log_info << "No game session" << std::endl;
+    return;
+  }
+  // Reset random seed
+  g_config->random_seed = GameSession::current()->get_demo_random_seed(filename);
+  g_config->random_seed = gameRandom.srand(g_config->random_seed);
+  GameSession::current()->restart_level();
+  GameSession::current()->play_demo(filename);
+}
+
+}
+
+/* EOF */