Finally!!
[supertux.git] / src / worldmap.cpp
index 97bc486..85eb56e 100644 (file)
@@ -1,7 +1,7 @@
 //  $Id$
 //
-//  Pingus - A free Lemmings clone
-//  Copyright (C) 2002 Ingo Ruhnke <grumbel@gmx.de>
+//  SuperTux -  A Jump'n Run
+//  Copyright (C) 2004 Ingo Ruhnke <grumbel@gmx.de>
 //
 //  This program is free software; you can redistribute it and/or
 //  modify it under the terms of the GNU General Public License
 //  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 #include <iostream>
+#include <fstream>
 #include <vector>
 #include <assert.h>
+#include "globals.h"
 #include "texture.h"
 #include "screen.h"
 #include "lispreader.h"
 #include "gameloop.h"
+#include "setup.h"
 #include "worldmap.h"
 
 namespace WorldMapNS {
 
+Direction reverse_dir(Direction direction)
+{
+  switch(direction)
+    {
+    case WEST:
+      return EAST;
+    case EAST:
+      return WEST;
+    case NORTH:
+      return SOUTH;
+    case SOUTH:
+      return NORTH;
+    case NONE:
+      return NONE;
+    }
+  return NONE;
+}
+
+std::string
+direction_to_string(Direction direction)
+{
+  switch(direction)
+    {
+    case WEST:
+      return "west";
+    case EAST:
+      return "east";
+    case NORTH:
+      return "north";
+    case SOUTH:
+      return "south";
+    default:
+      return "none";
+    }
+}
+
+Direction
+string_to_direction(const std::string& directory)
+{
+  if (directory == "west")
+    return WEST;
+  else if (directory == "east")
+    return EAST;
+  else if (directory == "north")
+    return NORTH;
+  else if (directory == "south")
+    return SOUTH;
+  else
+    return NONE;
+}
+
 TileManager* TileManager::instance_  = 0;
 
 TileManager::TileManager()
 {
-  lisp_stream_t stream;
-  FILE* in = fopen(DATA_PREFIX "images/worldmap/antarctica.scm", "r");
-  assert(in);
-  lisp_stream_init_file (&stream, in);
-  lisp_object_t* root_obj = lisp_read (&stream);
-  
+  std::string stwt_filename = datadir +  "images/worldmap/antarctica.stwt";
+  lisp_object_t* root_obj = lisp_read_from_file(stwt_filename);
+  if (!root_obj)
+    st_abort("Couldn't load file", stwt_filename);
+
   if (strcmp(lisp_symbol(lisp_car(root_obj)), "supertux-worldmap-tiles") == 0)
     {
       lisp_object_t* cur = lisp_cdr(root_obj);
@@ -67,8 +121,8 @@ TileManager::TileManager()
               reader.read_bool("stop",  &tile->stop);
               reader.read_string("image",  &filename);
 
-              texture_load(&tile->sprite, 
-                           const_cast<char*>((std::string(DATA_PREFIX "/images/worldmap/") + filename).c_str())
+              tile->sprite = new Surface(
+                           datadir +  "/images/worldmap/" + filename
                            USE_ALPHA);
 
               if (id >= int(tiles.size()))
@@ -100,17 +154,26 @@ TileManager::get(int i)
 Tux::Tux(WorldMap* worldmap_)
   : worldmap(worldmap_)
 {
-  texture_load(&sprite, DATA_PREFIX "/images/worldmap/tux.png", USE_ALPHA);
+  sprite = new Surface(datadir +  "/images/worldmap/tux.png", USE_ALPHA);
   offset = 0;
   moving = false;
-  tile_pos.x = 0;
-  tile_pos.y = 0;
+  tile_pos.x = 5;
+  tile_pos.y = 5;
   direction = NONE;
   input_direction = NONE;
 }
 
 void
-Tux::draw()
+Tux::draw(const Point& offset)
+{
+  Point pos = get_pos();
+  sprite->draw(pos.x + offset.x, 
+               pos.y + offset.y);
+}
+
+
+Point
+Tux::get_pos()
 {
   float x = tile_pos.x * 32;
   float y = tile_pos.y * 32;
@@ -132,8 +195,8 @@ Tux::draw()
     case NONE:
       break;
     }
-
-  texture_draw(&sprite, (int)x, (int)y, NO_UPDATE);
+  
+  return Point((int)x, (int)y); 
 }
 
 void
@@ -150,13 +213,26 @@ Tux::update(float delta)
   if (!moving)
     {
       if (input_direction != NONE)
-        { // We got a new direction, so lets start walking when possible
+        { 
+          WorldMap::Level* level = worldmap->at_level();
+
+          // We got a new direction, so lets start walking when possible
           Point next_tile;
-          if (worldmap->path_ok(input_direction, tile_pos, &next_tile))
+          if ((!level || level->solved)
+              && worldmap->path_ok(input_direction, tile_pos, &next_tile))
             {
               tile_pos = next_tile;
               moving = true;
               direction = input_direction;
+              back_direction = reverse_dir(direction);
+            }
+          else if (input_direction == back_direction)
+            {
+              std::cout << "Back triggered" << std::endl;
+              moving = true;
+              direction = input_direction;
+              tile_pos = worldmap->get_next_tile(tile_pos, direction);
+              back_direction = reverse_dir(direction);
             }
         }
     }
@@ -169,12 +245,13 @@ Tux::update(float delta)
         { // We reached the next tile, so we check what to do now
           offset -= 32;
 
-          if (worldmap->at(tile_pos)->stop)
+          if (worldmap->at(tile_pos)->stop || worldmap->at_level())
             {
               stop();
             }
           else
             {
+              // Walk automatically to the next tile
               Point next_tile;
               if (worldmap->path_ok(direction, tile_pos, &next_tile))
                 {
@@ -194,11 +271,12 @@ WorldMap::WorldMap()
 {
   tux = new Tux(this);
 
-  quit = false;
   width  = 20;
   height = 15;
 
-  texture_load(&level_sprite, DATA_PREFIX "/images/worldmap/levelmarker.png", USE_ALPHA);
+  level_sprite = new Surface(datadir +  "/images/worldmap/levelmarker.png", USE_ALPHA);
+  leveldot_green = new Surface(datadir +  "/images/worldmap/leveldot_green.png", USE_ALPHA);
+  leveldot_red = new Surface(datadir +  "/images/worldmap/leveldot_red.png", USE_ALPHA);
 
   input_direction = NONE;
   enter_level = false;
@@ -218,11 +296,11 @@ WorldMap::~WorldMap()
 void
 WorldMap::load_map()
 {
-  lisp_stream_t stream;
-  FILE* in = fopen(DATA_PREFIX "levels/default/worldmap.scm", "r");
-  assert(in);
-  lisp_stream_init_file (&stream, in);
-  lisp_object_t* root_obj = lisp_read (&stream);
+  std::string filename = datadir +  "levels/default/worldmap.stwm";
+  
+  lisp_object_t* root_obj = lisp_read_from_file(filename);
+  if (!root_obj)
+    st_abort("Couldn't load file", filename);
   
   if (strcmp(lisp_symbol(lisp_car(root_obj)), "supertux-worldmap") == 0)
     {
@@ -257,9 +335,16 @@ WorldMap::load_map()
                     {
                       Level level;
                       LispReader reader(lisp_cdr(element));
+                      level.solved = false;
+                      
+                      level.north = true;
+                      level.east  = true;
+                      level.south = true;
+                      level.west  = true;
+
                       reader.read_string("name",  &level.name);
-                      reader.read_int("x-pos", &level.x);
-                      reader.read_int("y-pos", &level.y);
+                      reader.read_int("x", &level.x);
+                      reader.read_int("y", &level.y);
                       levels.push_back(level);
                     }
                   
@@ -279,47 +364,78 @@ WorldMap::load_map()
 void
 WorldMap::get_input()
 {
-  SDL_Event event;
-
   enter_level = false;
-
+  input_direction = NONE;
+   
+  SDL_Event event;
   while (SDL_PollEvent(&event))
     {
-      switch(event.type)
+      if(!show_menu && event.key.keysym.sym == SDLK_ESCAPE)
+        Menu::set_current(worldmap_menu);
+
+      current_menu->event(event);
+      if(!show_menu)
         {
-        case SDL_QUIT:
-          quit = true;
-          break;
-          
-        case SDL_KEYDOWN:
-          switch(event.key.keysym.sym)
+          switch(event.type)
             {
-            case SDLK_ESCAPE:
-              quit = true;
+            case SDL_QUIT:
+              st_abort("Received window close", "");
               break;
-            case SDLK_LCTRL:
-            case SDLK_RETURN:
-              enter_level = true;
+          
+            case SDL_KEYDOWN:
+              switch(event.key.keysym.sym)
+                {
+                case SDLK_LCTRL:
+                case SDLK_RETURN:
+                  enter_level = true;
+                  break;
+                default:
+                  break;
+                }
+              break;
+          
+            case SDL_JOYAXISMOTION:
+              switch(event.jaxis.axis)
+                {
+                case JOY_X:
+                  if (event.jaxis.value < -JOYSTICK_DEAD_ZONE)
+                    input_direction = WEST;
+                  else if (event.jaxis.value > JOYSTICK_DEAD_ZONE)
+                    input_direction = EAST;
+                  break;
+                case JOY_Y:
+                  if (event.jaxis.value > JOYSTICK_DEAD_ZONE)
+                    input_direction = SOUTH;
+                  else if (event.jaxis.value < -JOYSTICK_DEAD_ZONE)
+                    input_direction = NORTH;
+                  break;
+                }
               break;
+
+            case SDL_JOYBUTTONDOWN:
+              if (event.jbutton.button == JOY_B)
+                enter_level = true;
+              break;
+
             default:
               break;
             }
-          break;
         }
     }
 
-  Uint8 *keystate = SDL_GetKeyState(NULL);
-  
-  input_direction = NONE;
+  if (!show_menu)
+    {
+      Uint8 *keystate = SDL_GetKeyState(NULL);
   
-  if (keystate[SDLK_LEFT])
-    input_direction = WEST;
-  else if (keystate[SDLK_RIGHT])
-    input_direction = EAST;
-  else if (keystate[SDLK_UP])
-    input_direction = NORTH;
-  else if (keystate[SDLK_DOWN])
-    input_direction = SOUTH;
+      if (keystate[SDLK_LEFT])
+        input_direction = WEST;
+      else if (keystate[SDLK_RIGHT])
+        input_direction = EAST;
+      else if (keystate[SDLK_UP])
+        input_direction = NORTH;
+      else if (keystate[SDLK_DOWN])
+        input_direction = SOUTH;
+    }
 }
 
 Point
@@ -390,18 +506,45 @@ WorldMap::update()
             {
               std::cout << "Enter the current level: " << i->name << std::endl;;
               halt_music();
-              gameloop(const_cast<char*>((DATA_PREFIX "levels/default/" + i->name).c_str()),
-                       1, ST_GL_LOAD_LEVEL_FILE);
+              GameSession session(datadir +  "levels/" + i->name,
+                                  1, ST_GL_LOAD_LEVEL_FILE);
+              session.run();
+
+              if (1) // FIXME: insert exit status checker here
+                i->solved = true;
+
               play_music(song, 1);
-              break;
+              show_menu = 0;
+              menu_reset();
+              if (!savegame_file.empty())
+                savegame(savegame_file);
+              return;
             }
         }
+      std::cout << "Nothing to enter at: "
+                << tux->get_tile_pos().x << ", " << tux->get_tile_pos().y << std::endl;
     }
   else
     {
       tux->set_direction(input_direction);
       tux->update(0.33f);
     }
+  
+  if(show_menu)
+    {
+      if(current_menu == worldmap_menu)
+        {
+          switch (worldmap_menu->check())
+            {
+            case 2: // Return to game
+              menu_reset();
+              break;
+            case 5: // Quit Worldmap
+              quit = true;
+              break;
+            }
+        }
+    }
 }
 
 Tile*
@@ -411,53 +554,232 @@ WorldMap::at(Point p)
          && p.x < width
          && p.y >= 0
          && p.y < height);
+
   return TileManager::instance()->get(tilemap[width * p.y + p.x]);
 }
 
+WorldMap::Level*
+WorldMap::at_level()
+{
+  for(Levels::iterator i = levels.begin(); i != levels.end(); ++i)
+    {
+      if (i->x == tux->get_tile_pos().x && 
+          i->y == tux->get_tile_pos().y)
+        return &*i; 
+    }
+
+  return 0;
+}
+
+
 void
-WorldMap::draw()
+WorldMap::draw(const Point& offset)
 {
   for(int y = 0; y < height; ++y)
     for(int x = 0; x < width; ++x)
       {
         Tile* tile = at(Point(x, y));
-        texture_draw(&tile->sprite, x*32, y*32, NO_UPDATE);
+        tile->sprite->draw(x*32 + offset.x,
+                           y*32 + offset.y);
       }
   
   for(Levels::iterator i = levels.begin(); i != levels.end(); ++i)
     {
-      texture_draw(&level_sprite, i->x*32, i->y*32, NO_UPDATE);
+      if (i->solved)
+        leveldot_green->draw(i->x*32 + offset.x, 
+                             i->y*32 + offset.y);
+      else
+        leveldot_red->draw(i->x*32 + offset.x, 
+                           i->y*32 + offset.y);        
     }
 
-  tux->draw();
-  flipscreen();
+  tux->draw(offset);
+  draw_status();
+}
+
+void
+WorldMap::draw_status()
+{
+  char str[80];
+  sprintf(str, "%d", player_status.score);
+  white_text->draw("SCORE", 0, 0);
+  gold_text->draw(str, 96, 0);
+
+  sprintf(str, "%d", player_status.distros);
+  white_text->draw_align("COINS", 320-64, 0,  A_LEFT, A_TOP);
+  gold_text->draw_align(str, 320+64, 0, A_RIGHT, A_TOP);
+
+  white_text->draw("LIVES", 480, 0);
+  if (player_status.lives >= 5)
+    {
+      sprintf(str, "%dx", player_status.lives);
+      gold_text->draw(str, 585, 0);
+      tux_life->draw(565+(18*3), 0);
+    }
+  else
+    {
+      for(int i= 0; i < player_status.lives; ++i)
+        tux_life->draw(565+(18*i),0);
+    }
+
+  if (!tux->is_moving())
+    {
+      for(Levels::iterator i = levels.begin(); i != levels.end(); ++i)
+        {
+          if (i->x == tux->get_tile_pos().x && 
+              i->y == tux->get_tile_pos().y)
+            {
+              white_text->draw_align(i->name.c_str(), screen->w/2, screen->h,  A_HMIDDLE, A_BOTTOM);
+              break;
+            }
+        }
+    }
 }
 
 void
 WorldMap::display()
 {
+  show_menu = false;
+
   quit = false;
 
-  song = load_song(const_cast<char*>((DATA_PREFIX "/music/" + music).c_str()));
+  song = load_song(datadir +  "/music/" + music);
   play_music(song, 1);
 
   while(!quit) {
-    draw();
+    Point tux_pos = tux->get_pos();
+    if (1)
+      {
+        offset.x = -tux_pos.x + screen->w/2;
+        offset.y = -tux_pos.y + screen->h/2;
+
+        if (offset.x > 0) offset.x = 0;
+        if (offset.y > 0) offset.y = 0;
+
+        if (offset.x < screen->w - width*32) offset.x = screen->w - width*32;
+        if (offset.y < screen->h - height*32) offset.y = screen->h - height*32;
+      } 
+
+    draw(offset);
     get_input();
     update();
+
+  if(show_menu)
+    {
+      menu_process_current();
+      mouse_cursor->draw();
+    }
+    flipscreen();
+
     SDL_Delay(20);
   }
 
   free_music(song);
 }
 
-} // namespace WorldMapNS
+void
+WorldMap::savegame(const std::string& filename)
+{
+  std::cout << "savegame: " << filename << std::endl;
+  std::ofstream out(filename.c_str());
+
+  int nb_solved_levels = 0;
+  for(Levels::iterator i = levels.begin(); i != levels.end(); ++i)
+    {
+      if (i->solved)
+        ++nb_solved_levels;
+    }
+
+  out << "(supertux-savegame\n"
+      << "  (version 1)\n"
+      << "  (title  \"Icyisland - " << nb_solved_levels << "/" << levels.size() << "\")\n"
+      << "  (lives   " << player_status.lives << ")\n"
+      << "  (score   " << player_status.score << ")\n"
+      << "  (distros " << player_status.distros << ")\n"
+      << "  (tux     (x " << tux->get_tile_pos().x << ") (y " << tux->get_tile_pos().y << ")"
+      << " (back \"" << direction_to_string(tux->back_direction) << "\"))\n"
+      << "  (levels\n";
+  
+  for(Levels::iterator i = levels.begin(); i != levels.end(); ++i)
+    {
+      if (i->solved)
+        {
+          out << "     (level (name \"" << i->name << "\")\n"
+              << "            (solved #t))\n";
+        }
+    }  
 
-void worldmap_run()
+  out << "   )\n"
+      << " )\n\n;; EOF ;;" << std::endl;
+}
+
+void
+WorldMap::loadgame(const std::string& filename)
 {
-  WorldMapNS::WorldMap worldmap;
+  std::cout << "loadgame: " << filename << std::endl;
+  savegame_file = filename;
+
+  if (access(filename.c_str(), F_OK) == 0)
+    {
+      lisp_object_t* cur = lisp_read_from_file(filename);
+
+      if (strcmp(lisp_symbol(lisp_car(cur)), "supertux-savegame") != 0)
+        return;
+
+      cur = lisp_cdr(cur);
+      LispReader reader(cur);
   
-  worldmap.display();
+      reader.read_int("lives",  &player_status.lives);
+      reader.read_int("score",  &player_status.score);
+      reader.read_int("distros", &player_status.distros);
+
+      lisp_object_t* tux_cur = 0;
+      if (reader.read_lisp("tux", &tux_cur))
+        {
+          Point p;
+          LispReader tux_reader(tux_cur);
+          tux_reader.read_int("x", &p.x);
+          tux_reader.read_int("y", &p.y);
+      
+          tux->set_tile_pos(p);
+        }
+
+      lisp_object_t* level_cur = 0;
+      if (reader.read_lisp("levels", &level_cur))
+        {
+          while(level_cur)
+            {
+              lisp_object_t* sym  = lisp_car(lisp_car(level_cur));
+              lisp_object_t* data = lisp_cdr(lisp_car(level_cur));
+
+              if (strcmp(lisp_symbol(sym), "level") == 0)
+                {
+                  std::string name;
+                  bool solved = false;
+                  std::string back_str ="";
+                  Direction back = NONE;
+
+                  LispReader level_reader(data);
+                  level_reader.read_string("name",   &name);
+                  level_reader.read_bool("solved", &solved);
+                  if (level_reader.read_string("back", &back_str))
+                    back = string_to_direction(back_str);
+
+                  std::cout << "Name: " << name << " " << solved << std::endl;
+
+                  for(Levels::iterator i = levels.begin(); i != levels.end(); ++i)
+                    {
+                      if (name == i->name)
+                        i->solved = solved;
+                    }
+                }
+
+              level_cur = lisp_cdr(level_cur);
+            }
+        }
+    }
 }
 
+} // namespace WorldMapNS
+
 /* EOF */