// $Id$
-//
+//
// SuperTux
-// Copyright (C) 2000 Bill Kendrick <bill@newbreedsoftware.com>
-// Copyright (C) 2004 Tobias Glaesser <tobi.web@gmx.de>
-// Copyright (C) 2004 Ingo Ruhnke <grumbel@gmx.de>
+// 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
// 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.
-
-#include <math.h>
-#include <stdlib.h>
-#include <string.h>
-#include "globals.h"
-#include "scene.h"
-#include "screen.h"
-#include "defines.h"
-#include "world.h"
-#include "level.h"
-#include "tile.h"
-#include "resources.h"
-
-Surface* img_distro[4];
-
-World* World::current_ = 0;
-
-World::World(const std::string& filename)
-{
- // FIXME: Move this to action and draw and everywhere else where the
- // world calls child functions
- current_ = this;
-
- level = new Level(filename);
- tux.init();
-
- set_defaults();
-
- get_level()->load_gfx();
- activate_bad_guys();
- activate_particle_systems();
- get_level()->load_song();
+#include <config.h>
+
+#include <stddef.h>
+#include <physfs.h>
+#include <stdexcept>
+
+#include "world.hpp"
+#include "file_system.hpp"
+#include "lisp/parser.hpp"
+#include "lisp/lisp.hpp"
+#include "physfs/physfs_stream.hpp"
+#include "scripting/squirrel_util.hpp"
+#include "scripting/serialize.hpp"
+#include "log.hpp"
+#include "worldmap/worldmap.hpp"
+#include "mainloop.hpp"
+
+static bool has_suffix(const std::string& data, const std::string& suffix)
+{
+ if (data.length() >= suffix.length())
+ return data.compare(data.length() - suffix.length(), suffix.length(), suffix) == 0;
+ else
+ return false;
}
-World::World(const std::string& subset, int level_nr)
-{
- // FIXME: Move this to action and draw and everywhere else where the
- // world calls child functions
- current_ = this;
-
- level = new Level(subset, level_nr);
- tux.init();
-
- set_defaults();
-
- get_level()->load_gfx();
- activate_bad_guys();
- activate_particle_systems();
- get_level()->load_song();
-}
+World* World::current_ = NULL;
-World::~World()
+World::World()
{
- delete level;
+ is_levelset = true;
+ hide_from_contribs = false;
+ sq_resetobject(&world_thread);
}
-void
-World::set_defaults()
+World::~World()
{
- // Set defaults:
- scroll_x = 0;
-
- player_status.score_multiplier = 1;
-
- counting_distros = false;
- distro_counter = 0;
-
- /* set current song/music */
- set_current_music(LEVEL_MUSIC);
+ sq_release(Scripting::global_vm, &world_thread);
+ if(current_ == this)
+ current_ = NULL;
}
void
-World::activate_bad_guys()
+World::set_savegame_filename(const std::string& filename)
{
- for (std::vector<BadGuyData>::iterator i = level->badguy_data.begin();
- i != level->badguy_data.end();
- ++i)
- {
- add_bad_guy(i->x, i->y, i->kind);
- }
-}
+ this->savegame_filename = filename;
+ // make sure the savegame directory exists
+ std::string dirname = FileSystem::dirname(filename);
+ if(!PHYSFS_exists(dirname.c_str())) {
+ if(PHYSFS_mkdir(dirname.c_str())) {
+ std::ostringstream msg;
+ msg << "Couldn't create directory for savegames '"
+ << dirname << "': " <<PHYSFS_getLastError();
+ throw std::runtime_error(msg.str());
+ }
+ }
-void
-World::activate_particle_systems()
-{
- if (level->particle_system == "clouds")
- {
- particle_systems.push_back(new CloudParticleSystem);
- }
- else if (level->particle_system == "snow")
- {
- particle_systems.push_back(new SnowParticleSystem);
- }
- else if (level->particle_system != "")
- {
- st_abort("unknown particle system specified in level", "");
- }
+ if(!PHYSFS_isDirectory(dirname.c_str())) {
+ std::ostringstream msg;
+ msg << "Savegame path '" << dirname << "' is not a directory";
+ throw std::runtime_error(msg.str());
+ }
}
void
-World::draw()
+World::load(const std::string& filename)
{
- int y,x;
-
- /* Draw the real background */
- if(get_level()->bkgd_image[0] != '\0')
- {
- int s = ((int)scroll_x / 2)%640;
- level->img_bkgd->draw_part(s, 0,0,0,level->img_bkgd->w - s, level->img_bkgd->h);
- level->img_bkgd->draw_part(0, 0,screen->w - s ,0,s,level->img_bkgd->h);
- }
- else
- {
- drawgradient(level->bkgd_top, level->bkgd_bottom);
- }
-
- /* Draw particle systems (background) */
- std::vector<ParticleSystem*>::iterator p;
- for(p = particle_systems.begin(); p != particle_systems.end(); ++p)
- {
- (*p)->draw(scroll_x, 0, 0);
- }
+ basedir = FileSystem::dirname(filename);
- /* Draw background: */
- for (y = 0; y < 15; ++y)
- {
- for (x = 0; x < 21; ++x)
- {
- Tile::draw(32*x - fmodf(scroll_x, 32), y * 32,
- level->bg_tiles[(int)y][(int)x + (int)(scroll_x / 32)]);
- }
- }
-
- /* Draw interactive tiles: */
- for (y = 0; y < 15; ++y)
- {
- for (x = 0; x < 21; ++x)
- {
- Tile::draw(32*x - fmodf(scroll_x, 32), y * 32,
- level->ia_tiles[(int)y][(int)x + (int)(scroll_x / 32)]);
- }
- }
-
- /* (Bouncy bricks): */
- for (unsigned int i = 0; i < bouncy_bricks.size(); ++i)
- bouncy_bricks[i].draw();
-
- for (unsigned int i = 0; i < bad_guys.size(); ++i)
- bad_guys[i].draw();
-
- tux.draw();
+ lisp::Parser parser;
+ std::auto_ptr<lisp::Lisp> root (parser.parse(filename));
- for (unsigned int i = 0; i < bullets.size(); ++i)
- bullets[i].draw();
+ const lisp::Lisp* info = root->get_lisp("supertux-world");
+ if(info == NULL)
+ info = root->get_lisp("supertux-level-subset");
+ if(info == NULL)
+ throw std::runtime_error("File is not a world or levelsubset file");
- for (unsigned int i = 0; i < floating_scores.size(); ++i)
- floating_scores[i].draw();
+ hide_from_contribs = false;
+ is_levelset = true;
- for (unsigned int i = 0; i < upgrades.size(); ++i)
- upgrades[i].draw();
+ info->get("title", title);
+ info->get("description", description);
+ info->get("levelset", is_levelset);
+ info->get_vector("levels", levels);
+ info->get("hide-from-contribs", hide_from_contribs);
- for (unsigned int i = 0; i < bouncy_distros.size(); ++i)
- bouncy_distros[i].draw();
+ // Level info file doesn't define any levels, so read the
+ // directory to see what we can find
- for (unsigned int i = 0; i < broken_bricks.size(); ++i)
- broken_bricks[i].draw();
-
- /* Draw foreground: */
- for (y = 0; y < 15; ++y)
- {
- for (x = 0; x < 21; ++x)
- {
- Tile::draw(32*x - fmodf(scroll_x, 32), y * 32,
- level->fg_tiles[(int)y][(int)x + (int)(scroll_x / 32)]);
- }
- }
+ std::string path = basedir;
+ char** files = PHYSFS_enumerateFiles(path.c_str());
+ if(!files) {
+ log_warning << "Couldn't read subset dir '" << path << "'" << std::endl;
+ return;
+ }
- /* Draw particle systems (foreground) */
- for(p = particle_systems.begin(); p != particle_systems.end(); ++p)
- {
- (*p)->draw(scroll_x, 0, 1);
+ for(const char* const* filename = files; *filename != 0; ++filename) {
+ if(has_suffix(*filename, ".stl")) {
+ levels.push_back(path + *filename);
}
+ }
+ PHYSFS_freeList(files);
}
void
-World::action(double frame_ratio)
+World::run()
{
- tux.action(frame_ratio);
+ using namespace Scripting;
- /* Handle bouncy distros: */
- for (unsigned int i = 0; i < bouncy_distros.size(); i++)
- bouncy_distros[i].action(frame_ratio);
+ current_ = this;
- /* Handle broken bricks: */
- for (unsigned int i = 0; i < broken_bricks.size(); i++)
- broken_bricks[i].action(frame_ratio);
+ // create new squirrel table for persisten game state
+ HSQUIRRELVM vm = Scripting::global_vm;
- /* Handle distro counting: */
- if (counting_distros)
- {
- distro_counter--;
+ sq_pushroottable(vm);
+ sq_pushstring(vm, "state", -1);
+ sq_newtable(vm);
+ if(SQ_FAILED(sq_createslot(vm, -3)))
+ throw Scripting::SquirrelError(vm, "Couldn't create state table");
+ sq_pop(vm, 1);
- if (distro_counter <= 0)
- counting_distros = -1;
- }
+ load_state();
- // Handle all kinds of game objects
- for (unsigned int i = 0; i < bouncy_bricks.size(); i++)
- bouncy_bricks[i].action(frame_ratio);
-
- for (unsigned int i = 0; i < floating_scores.size(); i++)
- floating_scores[i].action(frame_ratio);
-
- for (unsigned int i = 0; i < bullets.size(); ++i)
- bullets[i].action(frame_ratio);
-
- for (unsigned int i = 0; i < upgrades.size(); i++)
- upgrades[i].action(frame_ratio);
-
- for (unsigned int i = 0; i < bad_guys.size(); i++)
- bad_guys[i].action(frame_ratio);
-
- /* update particle systems */
- std::vector<ParticleSystem*>::iterator p;
- for(p = particle_systems.begin(); p != particle_systems.end(); ++p)
- {
- (*p)->simulate(frame_ratio);
- }
+ std::string filename = basedir + "/world.nut";
+ try {
+ IFileStream in(filename);
- /* Handle all possible collisions. */
- collision_handler();
+ sq_release(global_vm, &world_thread);
+ world_thread = create_thread(global_vm);
+ compile_and_run(object_to_vm(world_thread), in, filename);
+ } catch(std::exception& ) {
+ // fallback: try to load worldmap worldmap.stwm
+ using namespace WorldMapNS;
+ main_loop->push_screen(new WorldMap(basedir + "worldmap.stwm"));
+ }
}
-
void
-World::collision_handler()
+World::save_state()
{
- // CO_BULLET & CO_BADGUY check
- for(unsigned int i = 0; i < bullets.size(); ++i)
- {
- for(unsigned int j = 0; j < bad_guys.size(); ++j)
- {
- if(bad_guys[j].dying != DYING_NOT)
- continue;
- if(rectcollision(&bullets[i].base, &bad_guys[j].base))
- {
- // We have detected a collision and now call the
- // collision functions of the collided objects.
- // collide with bad_guy first, since bullet_collision will
- // delete the bullet
- bad_guys[j].collision(0, CO_BULLET);
- bullets[i].collision(CO_BADGUY);
- break; // bullet is invalid now, so break
- }
- }
- }
+ using namespace Scripting;
- /* CO_BADGUY & CO_BADGUY check */
- for(unsigned int i = 0; i < bad_guys.size(); ++i)
- {
- if(bad_guys[i].dying != DYING_NOT)
- continue;
-
- for(unsigned int j = i+1; j < bad_guys.size(); ++j)
- {
- if(j == i || bad_guys[j].dying != DYING_NOT)
- continue;
-
- if(rectcollision(&bad_guys[i].base, &bad_guys[j].base))
- {
- // We have detected a collision and now call the
- // collision functions of the collided objects.
- bad_guys[j].collision(&bad_guys[i], CO_BADGUY);
- bad_guys[i].collision(&bad_guys[j], CO_BADGUY);
- }
- }
- }
+ lisp::Writer writer(savegame_filename);
- if(tux.dying != DYING_NOT) return;
-
- // CO_BADGUY & CO_PLAYER check
- for(unsigned int i = 0; i < bad_guys.size(); ++i)
- {
- if(bad_guys[i].dying != DYING_NOT)
- continue;
-
- if(rectcollision_offset(&bad_guys[i].base,&tux.base,0,0))
- {
- // We have detected a collision and now call the collision
- // functions of the collided objects.
- if (tux.previous_base.y < tux.base.y &&
- tux.previous_base.y + tux.previous_base.height
- < bad_guys[i].base.y + bad_guys[i].base.height/2)
- {
- bad_guys[i].collision(&tux, CO_PLAYER, COLLISION_SQUISH);
- }
- else
- {
- tux.collision(&bad_guys[i], CO_BADGUY);
- bad_guys[i].collision(&tux, CO_PLAYER, COLLISION_NORMAL);
- }
- }
- }
+ writer.start_list("supertux-savegame");
+ writer.write_int("version", 1);
- // CO_UPGRADE & CO_PLAYER check
- for(unsigned int i = 0; i < upgrades.size(); ++i)
- {
- if(rectcollision(&upgrades[i].base, &tux.base))
- {
- // We have detected a collision and now call the collision
- // functions of the collided objects.
- upgrades[i].collision(&tux, CO_PLAYER);
- }
- }
-}
+ using namespace WorldMapNS;
+ if(WorldMap::current() != NULL) {
+ std::ostringstream title;
+ title << WorldMap::current()->get_title();
+ title << " (" << WorldMap::current()->solved_level_count()
+ << "/" << WorldMap::current()->level_count() << ")";
+ writer.write_string("title", title.str());
+ }
-void
-World::add_score(float x, float y, int s)
-{
- player_status.score += s;
+ writer.start_list("tux");
+ player_status->write(writer);
+ writer.end_list("tux");
- FloatingScore new_floating_score;
- new_floating_score.init(x,y,s);
- floating_scores.push_back(new_floating_score);
-}
+ writer.start_list("state");
-void
-World::add_bouncy_distro(float x, float y)
-{
- BouncyDistro new_bouncy_distro;
- new_bouncy_distro.init(x,y);
- bouncy_distros.push_back(new_bouncy_distro);
+ sq_pushroottable(global_vm);
+ sq_pushstring(global_vm, "state", -1);
+ if(SQ_SUCCEEDED(sq_get(global_vm, -2))) {
+ Scripting::save_squirrel_table(global_vm, -1, writer);
+ sq_pop(global_vm, 1);
+ }
+ sq_pop(global_vm, 1);
+ writer.end_list("state");
+
+ writer.end_list("supertux-savegame");
}
void
-World::add_broken_brick(Tile* tile, float x, float y)
+World::load_state()
{
- add_broken_brick_piece(tile, x, y, -1, -4);
- add_broken_brick_piece(tile, x, y + 16, -1.5, -3);
+ using namespace Scripting;
- add_broken_brick_piece(tile, x + 16, y, 1, -4);
- add_broken_brick_piece(tile, x + 16, y + 16, 1.5, -3);
-}
+ try {
+ lisp::Parser parser;
+ std::auto_ptr<lisp::Lisp> root (parser.parse(savegame_filename));
-void
-World::add_broken_brick_piece(Tile* tile, float x, float y, float xm, float ym)
-{
- BrokenBrick new_broken_brick;
- new_broken_brick.init(tile, x, y, xm, ym);
- broken_bricks.push_back(new_broken_brick);
-}
+ const lisp::Lisp* lisp = root->get_lisp("supertux-savegame");
+ if(lisp == NULL)
+ throw std::runtime_error("file is not a supertux-savegame file");
-void
-World::add_bouncy_brick(float x, float y)
-{
- BouncyBrick new_bouncy_brick;
- new_bouncy_brick.init(x,y);
- bouncy_bricks.push_back(new_bouncy_brick);
-}
+ int version = 1;
+ lisp->get("version", version);
+ if(version != 1)
+ throw std::runtime_error("incompatible savegame version");
-void
-World::add_bad_guy(float x, float y, BadGuyKind kind)
-{
- bad_guys.push_back(BadGuy());
- BadGuy& new_bad_guy = bad_guys.back();
-
- new_bad_guy.init(x,y,kind);
-}
+ const lisp::Lisp* tux = lisp->get_lisp("tux");
+ if(tux == NULL)
+ throw std::runtime_error("No tux section in savegame");
+ player_status->read(*tux);
-void
-World::add_upgrade(float x, float y, Direction dir, UpgradeKind kind)
-{
- Upgrade new_upgrade;
- new_upgrade.init(x,y,dir,kind);
- upgrades.push_back(new_upgrade);
-}
+ const lisp::Lisp* state = lisp->get_lisp("state");
+ if(state == NULL)
+ throw std::runtime_error("No state section in savegame");
-void
-World::add_bullet(float x, float y, float xm, Direction dir)
-{
- Bullet new_bullet;
- new_bullet.init(x,y,xm,dir);
- bullets.push_back(new_bullet);
-
- play_sound(sounds[SND_SHOOT], SOUND_CENTER_SPEAKER);
-}
+ sq_pushroottable(global_vm);
+ sq_pushstring(global_vm, "state", -1);
+ if(SQ_FAILED(sq_deleteslot(global_vm, -2, SQFalse)))
+ sq_pop(global_vm, 1);
-/* Break a brick: */
-void
-World::trybreakbrick(float x, float y, bool small)
-{
- Level* plevel = get_level();
-
- Tile* tile = gettile(x, y);
- if (tile->brick)
- {
- if (tile->data > 0)
- {
- /* Get a distro from it: */
- add_bouncy_distro(((int)(x + 1) / 32) * 32,
- (int)(y / 32) * 32);
-
- if (!counting_distros)
- {
- counting_distros = true;
- distro_counter = 50;
- }
-
- if (distro_counter <= 0)
- plevel->change(x, y, TM_IA, tile->next_tile);
-
- play_sound(sounds[SND_DISTRO], SOUND_CENTER_SPEAKER);
- player_status.score = player_status.score + SCORE_DISTRO;
- player_status.distros++;
- }
- else if (!small)
- {
- /* Get rid of it: */
- plevel->change(x, y, TM_IA, tile->next_tile);
-
- /* Replace it with broken bits: */
- add_broken_brick(tile,
- ((int)(x + 1) / 32) * 32,
- (int)(y / 32) * 32);
-
- /* Get some score: */
- play_sound(sounds[SND_BRICK], SOUND_CENTER_SPEAKER);
- player_status.score = player_status.score + SCORE_BRICK;
- }
- }
+ sq_pushstring(global_vm, "state", -1);
+ sq_newtable(global_vm);
+ load_squirrel_table(global_vm, -1, state);
+ if(SQ_FAILED(sq_createslot(global_vm, -3)))
+ throw std::runtime_error("Couldn't create state table");
+ sq_pop(global_vm, 1);
+ } catch(std::exception& e) {
+ log_debug << "Couldn't load savegame: " << e.what() << std::endl;
+ }
}
-/* Empty a box: */
-void
-World::tryemptybox(float x, float y, Direction col_side)
+const std::string&
+World::get_level_filename(unsigned int i) const
{
- Tile* tile = gettile(x,y);
- if (!tile->fullbox)
- return;
-
- // according to the collision side, set the upgrade direction
- if(col_side == LEFT)
- col_side = RIGHT;
- else
- col_side = LEFT;
-
- int posx = ((int)(x+1) / 32) * 32;
- int posy = (int)(y/32) * 32 - 32;
- switch(tile->data)
- {
- case 1: // Box with a distro!
- add_bouncy_distro(posx, posy);
- play_sound(sounds[SND_DISTRO], SOUND_CENTER_SPEAKER);
- player_status.score = player_status.score + SCORE_DISTRO;
- player_status.distros++;
- break;
-
- case 2: // Add an upgrade!
- if (tux.size == SMALL) /* Tux is small, add mints! */
- add_upgrade(posx, posy, col_side, UPGRADE_GROWUP);
- else /* Tux is big, add an iceflower: */
- add_upgrade(posx, posy, col_side, UPGRADE_ICEFLOWER);
- play_sound(sounds[SND_UPGRADE], SOUND_CENTER_SPEAKER);
- break;
-
- case 3: // Add a golden herring
- add_upgrade(posx, posy, col_side, UPGRADE_HERRING);
- break;
-
- case 4: // Add a 1up extra
- add_upgrade(posx, posy, col_side, UPGRADE_1UP);
- break;
- default:
- break;
- }
-
- /* Empty the box: */
- level->change(x, y, TM_IA, tile->next_tile);
+ return levels[i];
}
-/* Try to grab a distro: */
-void
-World::trygrabdistro(float x, float y, int bounciness)
+unsigned int
+World::get_num_levels() const
{
- Tile* tile = gettile(x, y);
- if (tile && tile->distro)
- {
- level->change(x, y, TM_IA, tile->next_tile);
- play_sound(sounds[SND_DISTRO], SOUND_CENTER_SPEAKER);
-
- if (bounciness == BOUNCE)
- {
- add_bouncy_distro(((int)(x + 1) / 32) * 32,
- (int)(y / 32) * 32);
- }
-
- player_status.score = player_status.score + SCORE_DISTRO;
- player_status.distros++;
- }
+ return levels.size();
}
-/* Try to bump a bad guy from below: */
-void
-World::trybumpbadguy(float x, float y)
+const std::string&
+World::get_basedir() const
{
- /* Bad guys: */
- for (unsigned int i = 0; i < bad_guys.size(); i++)
- {
- if (bad_guys[i].base.x >= x - 32 && bad_guys[i].base.x <= x + 32 &&
- bad_guys[i].base.y >= y - 16 && bad_guys[i].base.y <= y + 16)
- {
- bad_guys[i].collision(&tux, CO_PLAYER, COLLISION_BUMP);
- }
- }
-
-
- /* Upgrades: */
- for (unsigned int i = 0; i < upgrades.size(); i++)
- {
- if (upgrades[i].base.height == 32 &&
- upgrades[i].base.x >= x - 32 && upgrades[i].base.x <= x + 32 &&
- upgrades[i].base.y >= y - 16 && upgrades[i].base.y <= y + 16)
- {
- upgrades[i].base.xm = -upgrades[i].base.xm;
- upgrades[i].base.ym = -8;
- play_sound(sounds[SND_BUMP_UPGRADE], SOUND_CENTER_SPEAKER);
- }
- }
+ return basedir;
}
-
-/* EOF */
-