more small adjustments from Tron
[supertux.git] / src / level.cpp
index 7b42e52..134f1f5 100644 (file)
@@ -1,7 +1,7 @@
 //  $Id$
-// 
+//
 //  SuperTux
-//  Copyright (C) 2004 SuperTux Development Team, see AUTHORS for details
+//  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 <config.h>
 
 #include <map>
 #include <cstdlib>
 #include <cstring>
 #include <iostream>
 #include <fstream>
+#include <sstream>
+#include <memory>
 #include <stdexcept>
 
-#include "globals.h"
-#include "setup.h"
-#include "camera.h"
-#include "screen/screen.h"
-#include "level.h"
-#include "physic.h"
-#include "scene.h"
-#include "sector.h"
-#include "tile.h"
-#include "lispreader.h"
-#include "resources.h"
-#include "gameobjs.h"
-#include "lispwriter.h"
+#include "log.hpp"
+#include "lisp/parser.hpp"
+#include "lisp/lisp.hpp"
+#include "lisp/list_iterator.hpp"
+#include "lisp/writer.hpp"
+#include "level.hpp"
+#include "physic.hpp"
+#include "sector.hpp"
+#include "tile.hpp"
+#include "resources.hpp"
+#include "file_system.hpp"
+#include "object/gameobjs.hpp"
+#include "object/camera.hpp"
+#include "object/tilemap.hpp"
+#include "object/coin.hpp"
 
 using namespace std;
 
 Level::Level()
-  : name("noname"), author("mr. x"), time_left(500)
-
+  : name("noname"), author("Mr. X")
 {
 }
 
 void
-Level::load(const std::string& filename)
+Level::load(const std::string& filepath)
 {
-  LispReader* level = LispReader::load(filename, "supertux-level");
-
-  int version = 1;
-  level->read_int("version", version);
-  if(version == 1) {
-    load_old_format(*level);
-    delete level;
-    return;
-  }
+  try {
+    lisp::Parser parser;
+    std::auto_ptr<lisp::Lisp> root (parser.parse(filepath));
+
+    const lisp::Lisp* level = root->get_lisp("supertux-level");
+    if(!level)
+      throw std::runtime_error("file is not a supertux-level file.");
+
+    int version = 1;
+    level->get("version", version);
+    if(version == 1) {
+      load_old_format(*level);
+      return;
+    }
 
-  for(lisp_object_t* cur = level->get_lisp(); !lisp_nil_p(cur);
-      cur = lisp_cdr(cur)) {
-    std::string token = lisp_symbol(lisp_car(lisp_car(cur)));
-    lisp_object_t* data = lisp_car(lisp_cdr(lisp_car(cur)));
-    LispReader reader(lisp_cdr(lisp_car(cur)));
-
-    if(token == "name") {
-      name = lisp_string(data);
-    } else if(token == "author") {
-      author = lisp_string(data);
-    } else if(token == "time") {
-      time_left = lisp_integer(data);
-    } else if(token == "sector") {
-      Sector* sector = new Sector;
-      sector->parse(reader);
-      add_sector(sector);
-    } else {
-      std::cerr << "Unknown token '" << token << "' in level file.\n";
-      continue;
+    lisp::ListIterator iter(level);
+    while(iter.next()) {
+      const std::string& token = iter.item();
+      if(token == "version") {
+        iter.value()->get(version);
+        if(version > 2) {
+          log_warning << "level format newer than application" << std::endl;
+        }
+      } else if(token == "name") {
+        iter.value()->get(name);
+      } else if(token == "author") {
+        iter.value()->get(author);
+      } else if(token == "on-menukey-script") {
+        iter.value()->get(on_menukey_script);
+      } else if(token == "sector") {
+        Sector* sector = new Sector(this);
+        sector->parse(*(iter.lisp()));
+        add_sector(sector);
+      } else {
+        log_warning << "Unknown token '" << token << "' in level file" << std::endl;
+      }
     }
+
+  } catch(std::exception& e) {
+    std::stringstream msg;
+    msg << "Problem when reading level '" << filepath << "': " << e.what();
+    throw std::runtime_error(msg.str());
   }
-  
-  delete level;
 }
 
 void
-Level::load_old_format(LispReader& reader)
+Level::load_old_format(const lisp::Lisp& reader)
 {
-  reader.read_string("name", name);
-  reader.read_string("author", author);
-  reader.read_int("time", time_left);
+  reader.get("name", name);
+  reader.get("author", author);
 
-  Sector* sector = new Sector;
+  Sector* sector = new Sector(this);
   sector->parse_old_format(reader);
   add_sector(sector);
 }
@@ -101,59 +114,94 @@ Level::load_old_format(LispReader& reader)
 void
 Level::save(const std::string& filename)
 {
- ofstream file(filename.c_str(), ios::out);
- LispWriter* writer = new LispWriter(file);
+  lisp::Writer* writer = new lisp::Writer(filename);
 
- writer->write_comment("Level made using SuperTux's built-in Level Editor");
 writer->write_comment("Level made using SuperTux's built-in Level Editor");
 
- writer->start_list("supertux-level");
 writer->start_list("supertux-level");
 
- int version = 2;
- writer->write_int("version", version);
 int version = 2;
 writer->write_int("version", version);
 
- writer->write_string("name", name);
- writer->write_string("author", author);
- writer->write_int("time", time_left);
+  writer->write_string("name", name, true);
+  writer->write_string("author", author);
+  if(on_menukey_script != "")
+    writer->write_string("on-menukey-script", on_menukey_script);
 
- for(Sectors::iterator i = sectors.begin(); i != sectors.end(); ++i)
-   {
-   writer->start_list("sector");
-   i->second->write(*writer);
-   writer->end_list("sector");
-   }
+  for(Sectors::iterator i = sectors.begin(); i != sectors.end(); ++i) {
+    Sector* sector = *i;
+    writer->start_list("sector");
+    sector->write(*writer);
+    writer->end_list("sector");
+  }
 
- writer->end_list("supertux-level");
 writer->end_list("supertux-level");
 
- delete writer;
- file.close();
+  delete writer;
 }
 
 Level::~Level()
 {
   for(Sectors::iterator i = sectors.begin(); i != sectors.end(); ++i)
-    delete i->second;
+    delete *i;
 }
 
 void
-Level::do_vertical_flip()
+Level::add_sector(Sector* sector)
 {
-  for(Sectors::iterator i = sectors.begin(); i != sectors.end(); ++i)
-    i->second->do_vertical_flip();
+  Sector* test = get_sector(sector->get_name());
+  if(test != 0) {
+    throw std::runtime_error("Trying to add 2 sectors with same name");
+  }
+  sectors.push_back(sector);
 }
 
-void
-Level::add_sector(Sector* sector)
+Sector*
+Level::get_sector(const std::string& name)
 {
-  sectors.insert(std::make_pair(sector->get_name(), sector));       
+  for(Sectors::iterator i = sectors.begin(); i != sectors.end(); ++i) {
+    Sector* sector = *i;
+    if(sector->get_name() == name)
+      return sector;
+  }
+
+  return 0;
+}
+
+size_t
+Level::get_sector_count()
+{
+  return sectors.size();
 }
 
 Sector*
-Level::get_sector(const std::string& name)
+Level::get_sector(size_t num)
 {
-  Sectors::iterator i = sectors.find(name);
-  if(i == sectors.end())
-    return 0;
+  return sectors.at(num);
+}
 
-  return i->second;
+int
+Level::get_total_coins()
+{
+  // FIXME not really correct as coins can also be inside blocks...
+  int total_coins = 0;
+  for(Sectors::iterator i = sectors.begin(); i != sectors.end(); ++i) {
+    Sector* sector = *i;
+    for(Sector::GameObjects::iterator o = sector->gameobjects.begin();
+        o != sector->gameobjects.end(); ++o) {
+      Coin* coin = dynamic_cast<Coin*> (*o);
+      if(coin)
+        total_coins++;
+    }
+  }
+  return total_coins;
 }
 
+int
+Level::get_total_badguys()
+{
+  int total_badguys = 0;
+  for(Sectors::iterator i = sectors.begin(); i != sectors.end(); ++i)
+    total_badguys += (*i)->get_total_badguys();
+  return total_badguys;
+}