Proposed fix for coverity #29372
[supertux.git] / src / scripting / functions.cpp
index 2e51cad..2c906ff 100644 (file)
-#include <stdio.h>
-#include <string>
-#include <squirrel.h>
-#include <sqstdio.h>
-#include "textscroller.hpp"
-#include "functions.hpp"
-#include "script_interpreter.hpp"
-#include "tinygettext/tinygettext.hpp"
-#include "resources.hpp"
-#include "gettext.hpp"
+//  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 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, see <http://www.gnu.org/licenses/>.
 
-namespace Scripting
+#include "scripting/functions.hpp"
+
+#include "audio/sound_manager.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 "scripting/squirrel_util.hpp"
+#include "scripting/time_scheduler.hpp"
+
+namespace scripting {
+
+SQInteger display(HSQUIRRELVM vm)
+{
+  ConsoleBuffer::output << squirrel2string(vm, -1) << std::endl;
+  return 0;
+}
+
+void print_stacktrace(HSQUIRRELVM vm)
+{
+  print_squirrel_stack(vm);
+}
+
+SQInteger get_current_thread(HSQUIRRELVM vm)
+{
+  sq_pushobject(vm, vm_to_object(vm));
+  return 1;
+}
+
+void wait(HSQUIRRELVM vm, float seconds)
+{
+  TimeScheduler::instance->schedule_thread(vm, game_time + seconds);
+}
+
+void wait_for_screenswitch(HSQUIRRELVM vm)
+{
+  ScreenManager::current()->m_waiting_threads.add(vm);
+}
+
+void exit_screen()
 {
+  ScreenManager::current()->pop_screen();
+}
+
+void fadeout_screen(float seconds)
+{
+  ScreenManager::current()->set_screen_fade(std::unique_ptr<ScreenFade>(new FadeOut(seconds)));
+}
 
-void wait(float seconds)
+void shrink_screen(float dest_x, float dest_y, float seconds)
 {
-  ScriptInterpreter::current()->set_wakeup_time(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)
 {
-  std::string file 
-    = ScriptInterpreter::current()->get_working_directory() + filename;
-  ::display_text_file(file);
+  ScreenManager::current()->push_screen(std::unique_ptr<Screen>(new TextScroller(filename)));
+}
+
+void load_worldmap(const std::string& filename)
+{
+  using namespace worldmap;
+
+  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)
+{
+  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)
+{
+  BufferedIFileStream* stream = new BufferedIFileStream(filename);
+  IFileStream* in = stream->get_stream();
+
+  if(SQ_FAILED(sq_compile(vm, squirrel_read_char, &in,
+                          filename.c_str(), SQTrue)))
+    throw SquirrelError(vm, "Couldn't parse script");
+
+  sq_pushroottable(vm);
+  if(SQ_FAILED(sq_call(vm, 1, SQFalse, SQTrue))) {
+    sq_pop(vm, 1);
+    throw SquirrelError(vm, "Couldn't execute script");
+  }
+  sq_pop(vm, 1);
+}
+
+void debug_collrects(bool enable)
+{
+  Sector::show_collrects = enable;
+}
+
+void debug_show_fps(bool enable)
+{
+  g_config->show_fps = enable;
+}
+
+void debug_draw_solids_only(bool enable)
+{
+  Sector::draw_solids_only = enable;
+}
+
+void debug_draw_editor_images(bool enable)
+{
+  Tile::draw_editor_images = enable;
+}
+
+void debug_worldmap_ghost(bool enable)
+{
+  using namespace worldmap;
+
+  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 save_state()
+{
+  using worldmap::WorldMap;
+
+  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
+// in this file
+bool validate_sector_player()
+{
+  if (Sector::current() == 0)
+  {
+    log_info << "No current sector." << std::endl;
+    return false;
+  }
+
+  if (Sector::current()->player == 0)
+  {
+    log_info << "No player." << std::endl;
+    return false;
+  }
+  return true;
+}
+
+void play_music(const std::string& filename)
+{
+  SoundManager::current()->play_music(filename);
+}
+
+void play_sound(const std::string& filename)
+{
+  SoundManager::current()->play(filename);
 }
 
-void import(HSQUIRRELVM v, const std::string& filename)
+void grease()
 {
-  std::string file 
-    = ScriptInterpreter::current()->get_working_directory() + filename;
-  if(sqstd_loadfile(v, file.c_str(), true) < 0) {
-    std::cerr << "Warning couldn't load script '" << filename << "' ("
-      << file << ").\n";
+  if (!validate_sector_player()) return;
+  ::Player* tux = Sector::current()->player; // scripting::Player != ::Player
+  tux->get_physic().set_velocity_x(tux->get_physic().get_velocity_x()*3);
+}
+
+void invincible()
+{
+  if (!validate_sector_player()) return;
+  ::Player* tux = Sector::current()->player;
+  tux->invincible_timer.start(10000);
+}
+
+void ghost()
+{
+  if (!validate_sector_player()) return;
+  ::Player* tux = Sector::current()->player;
+  tux->set_ghost_mode(true);
+}
+
+void mortal()
+{
+  if (!validate_sector_player()) return;
+  ::Player* tux = Sector::current()->player;
+  tux->invincible_timer.stop();
+  tux->set_ghost_mode(false);
+}
+
+void restart()
+{
+  if (GameSession::current() == 0)
+  {
+    log_info << "No game session" << std::endl;
     return;
   }
+  GameSession::current()->restart_level();
+}
+
+void whereami()
+{
+  if (!validate_sector_player()) return;
+  ::Player* tux = Sector::current()->player;
+  log_info << "You are at x " << ((int) tux->get_pos().x) << ", y " << ((int) tux->get_pos().y) << std::endl;
+}
+
+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()->camera->reset(
+    Vector(tux->get_pos().x, tux->get_pos().y));
+}
 
-  sq_push(v, -2);
-  if(sq_call(v, 1, false) < 0) {
-    std::cerr << "Couldn't execute script '" << filename << "' ("
-      << file << ").\n";
+void camera()
+{
+  if (!validate_sector_player()) return;
+  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()
+{
+  ScreenManager::current()->quit();
+}
+
+int 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 */