src/scripting/functions.cpp

   1 //  SuperTux
   2 //  Copyright (C) 2006 Matthias Braun <matze@braunis.de>
   3 //
   4 //  This program is free software: you can redistribute it and/or modify
   5 //  it under the terms of the GNU General Public License as published by
   6 //  the Free Software Foundation, either version 3 of the License, or
   7 //  (at your option) any later version.
   8 //
   9 //  This program is distributed in the hope that it will be useful,
  10 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 //  GNU General Public License for more details.
  13 //
  14 //  You should have received a copy of the GNU General Public License
  15 //  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 #include "scripting/functions.hpp"
  18
  19 #include "audio/sound_manager.hpp"
  20 #include "math/random_generator.hpp"
  21 #include "object/camera.hpp"
  22 #include "object/player.hpp"
  23 #include "physfs/ifile_stream.hpp"
  24 #include "supertux/fadeout.hpp"
  25 #include "supertux/game_session.hpp"
  26 #include "supertux/gameconfig.hpp"
  27 #include "supertux/globals.hpp"
  28 #include "supertux/screen_manager.hpp"
  29 #include "supertux/sector.hpp"
  30 #include "supertux/shrinkfade.hpp"
  31 #include "supertux/textscroller.hpp"
  32 #include "supertux/tile.hpp"
  33 #include "supertux/world.hpp"
  34 #include "util/gettext.hpp"
  35 #include "video/renderer.hpp"
  36 #include "worldmap/tux.hpp"
  37
  38 #include "scripting/squirrel_util.hpp"
  39 #include "scripting/time_scheduler.hpp"
  40
  41 namespace scripting {
  42
  43 SQInteger display(HSQUIRRELVM vm)
  44 {
  45   Console::output << squirrel2string(vm, -1) << std::endl;
  46   return 0;
  47 }
  48
  49 void print_stacktrace(HSQUIRRELVM vm)
  50 {
  51   print_squirrel_stack(vm);
  52 }
  53
  54 SQInteger get_current_thread(HSQUIRRELVM vm)
  55 {
  56   sq_pushobject(vm, vm_to_object(vm));
  57   return 1;
  58 }
  59
  60 void wait(HSQUIRRELVM vm, float seconds)
  61 {
  62   TimeScheduler::instance->schedule_thread(vm, game_time + seconds);
  63 }
  64
  65 void wait_for_screenswitch(HSQUIRRELVM vm)
  66 {
  67   g_screen_manager->m_waiting_threads.add(vm);
  68 }
  69
  70 void exit_screen()
  71 {
  72   g_screen_manager->pop_screen();
  73 }
  74
  75 void fadeout_screen(float seconds)
  76 {
  77   g_screen_manager->set_screen_fade(std::unique_ptr<ScreenFade>(new FadeOut(seconds)));
  78 }
  79
  80 void shrink_screen(float dest_x, float dest_y, float seconds)
  81 {
  82   g_screen_manager->set_screen_fade(std::unique_ptr<ScreenFade>(new ShrinkFade(Vector(dest_x, dest_y), seconds)));
  83 }
  84
  85 void abort_screenfade()
  86 {
  87   g_screen_manager->set_screen_fade(std::unique_ptr<ScreenFade>());
  88 }
  89
  90 std::string translate(const std::string& text)
  91 {
  92   return dictionary_manager->get_dictionary().translate(text);
  93 }
  94
  95 void display_text_file(const std::string& filename)
  96 {
  97   g_screen_manager->push_screen(std::unique_ptr<Screen>(new TextScroller(filename)));
  98 }
  99
 100 void import(HSQUIRRELVM vm, const std::string& filename)
 101 {
 102   IFileStream in(filename);
 103
 104   if(SQ_FAILED(sq_compile(vm, squirrel_read_char, &in,
 105                           filename.c_str(), SQTrue)))
 106     throw SquirrelError(vm, "Couldn't parse script");
 107
 108   sq_pushroottable(vm);
 109   if(SQ_FAILED(sq_call(vm, 1, SQFalse, SQTrue))) {
 110     sq_pop(vm, 1);
 111     throw SquirrelError(vm, "Couldn't execute script");
 112   }
 113   sq_pop(vm, 1);
 114 }
 115
 116 void debug_collrects(bool enable)
 117 {
 118   Sector::show_collrects = enable;
 119 }
 120
 121 void debug_show_fps(bool enable)
 122 {
 123   g_config->show_fps = enable;
 124 }
 125
 126 void debug_draw_solids_only(bool enable)
 127 {
 128   Sector::draw_solids_only = enable;
 129 }
 130
 131 void debug_draw_editor_images(bool enable)
 132 {
 133   Tile::draw_editor_images = enable;
 134 }
 135
 136 void debug_worldmap_ghost(bool enable)
 137 {
 138   using namespace worldmap;
 139
 140   if(WorldMap::current() == NULL)
 141     throw std::runtime_error("Can't change ghost mode without active WorldMap");
 142
 143   WorldMap::current()->get_tux()->set_ghost_mode(enable);
 144 }
 145
 146 // not added to header, function to only be used by others
 147 // in this file
 148 bool validate_sector_player()
 149 {
 150   if (Sector::current() == 0)
 151   {
 152     log_info << "No current sector." << std::endl;
 153     return false;
 154   }
 155
 156   if (Sector::current()->player == 0)
 157   {
 158     log_info << "No player." << std::endl;
 159     return false;
 160   }
 161   return true;
 162 }
 163
 164 void play_music(const std::string& filename)
 165 {
 166   sound_manager->play_music(filename);
 167 }
 168
 169 void play_sound(const std::string& filename)
 170 {
 171   sound_manager->play(filename);
 172 }
 173
 174 void grease()
 175 {
 176   if (!validate_sector_player()) return;
 177   ::Player* tux = Sector::current()->player; // scripting::Player != ::Player
 178   tux->get_physic().set_velocity_x(tux->get_physic().get_velocity_x()*3);
 179 }
 180
 181 void invincible()
 182 {
 183   if (!validate_sector_player()) return;
 184   ::Player* tux = Sector::current()->player;
 185   tux->invincible_timer.start(10000);
 186 }
 187
 188 void ghost()
 189 {
 190   if (!validate_sector_player()) return;
 191   ::Player* tux = Sector::current()->player;
 192   tux->set_ghost_mode(true);
 193 }
 194
 195 void mortal()
 196 {
 197   if (!validate_sector_player()) return;
 198   ::Player* tux = Sector::current()->player;
 199   tux->invincible_timer.stop();
 200   tux->set_ghost_mode(false);
 201 }
 202
 203 void restart()
 204 {
 205   if (GameSession::current() == 0)
 206   {
 207     log_info << "No game session" << std::endl;
 208     return;
 209   }
 210   GameSession::current()->restart_level();
 211 }
 212
 213 void whereami()
 214 {
 215   if (!validate_sector_player()) return;
 216   ::Player* tux = Sector::current()->player;
 217   log_info << "You are at x " << ((int) tux->get_pos().x) << ", y " << ((int) tux->get_pos().y) << std::endl;
 218 }
 219
 220 void gotoend()
 221 {
 222   if (!validate_sector_player()) return;
 223   ::Player* tux = Sector::current()->player;
 224   tux->move(Vector(
 225               (Sector::current()->get_width()) - (SCREEN_WIDTH*2), 0));
 226   Sector::current()->camera->reset(
 227     Vector(tux->get_pos().x, tux->get_pos().y));
 228 }
 229
 230 void camera()
 231 {
 232   if (!validate_sector_player()) return;
 233   log_info << "Camera is at " << Sector::current()->camera->get_translation().x << "," << Sector::current()->camera->get_translation().y << std::endl;
 234 }
 235
 236 void set_gamma(float gamma)
 237 {
 238   Renderer::instance()->set_gamma(gamma);
 239 }
 240
 241 void quit()
 242 {
 243   g_screen_manager->quit();
 244 }
 245
 246 int rand()
 247 {
 248   return gameRandom.rand();
 249 }
 250
 251 void set_game_speed(float speed)
 252 {
 253   ::g_game_speed = speed;
 254 }
 255
 256 void record_demo(const std::string& filename)
 257 {
 258   if (GameSession::current() == 0)
 259   {
 260     log_info << "No game session" << std::endl;
 261     return;
 262   }
 263   GameSession::current()->restart_level();
 264   GameSession::current()->record_demo(filename);
 265 }
 266
 267 void play_demo(const std::string& filename)
 268 {
 269   if (GameSession::current() == 0)
 270   {
 271     log_info << "No game session" << std::endl;
 272     return;
 273   }
 274   // Reset random seed
 275   g_config->random_seed = GameSession::current()->get_demo_random_seed(filename);
 276   g_config->random_seed = gameRandom.srand(g_config->random_seed);
 277   GameSession::current()->restart_level();
 278   GameSession::current()->play_demo(filename);
 279 }
 280
 281 }
 282
 283 /* EOF */