src/tile.cpp

   1 //  $Id$
   2 //
   3 //  SuperTux
   4 //  Copyright (C) 2004 Tobias Glaesser <tobi.web@gmx.de>
   5 //
   6 //  This program is free software; you can redistribute it and/or
   7 //  modify it under the terms of the GNU General Public License
   8 //  as published by the Free Software Foundation; either version 2
   9 //  of the License, or (at your option) any later version.
  10 //
  11 //  This program is distributed in the hope that it will be useful,
  12 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 //  GNU General Public License for more details.
  15 //
  16 //  You should have received a copy of the GNU General Public License
  17 //  along with this program; if not, write to the Free Software
  18 //  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  19 //  02111-1307, USA.
  20
  21 #include "tile.h"
  22 #include "scene.h"
  23 #include "assert.h"
  24
  25 TileManager* TileManager::instance_  = 0;
  26 std::vector<TileGroup>* TileManager::tilegroups_  = 0;
  27
  28 TileManager::TileManager()
  29 {
  30   std::string filename = datadir +  "images/tilesets/supertux.stgt";
  31   load_tileset(filename);
  32 }
  33
  34 void TileManager::load_tileset(std::string filename)
  35 {
  36   lisp_object_t* root_obj = lisp_read_from_file(filename);
  37
  38   if (!root_obj)
  39     st_abort("Couldn't load file", filename);
  40
  41   if (strcmp(lisp_symbol(lisp_car(root_obj)), "supertux-tiles") == 0)
  42     {
  43       lisp_object_t* cur = lisp_cdr(root_obj);
  44       int tileset_id = 0;
  45
  46       while(!lisp_nil_p(cur))
  47         {
  48           lisp_object_t* element = lisp_car(cur);
  49
  50           if (strcmp(lisp_symbol(lisp_car(element)), "tile") == 0)
  51             {
  52               std::vector<std::string> editor_filenames;
  53
  54               Tile* tile = new Tile;
  55               tile->id      = -1;
  56               tile->solid   = false;
  57               tile->brick   = false;
  58               tile->ice     = false;
  59               tile->water   = false;
  60               tile->fullbox = false;
  61               tile->distro  = false;
  62               tile->data    = 0;
  63               tile->next_tile  = 0;
  64               tile->anim_speed = 25;
  65
  66               LispReader reader(lisp_cdr(element));
  67               assert(reader.read_int("id",  &tile->id));
  68               reader.read_bool("solid",     &tile->solid);
  69               reader.read_bool("brick",     &tile->brick);
  70               reader.read_bool("ice",       &tile->ice);
  71               reader.read_bool("water",     &tile->water);
  72               reader.read_bool("fullbox",   &tile->fullbox);
  73               reader.read_bool("distro",    &tile->distro);
  74               reader.read_int("data",       &tile->data);
  75               reader.read_int("anim-speed", &tile->anim_speed);
  76               reader.read_int("next-tile",  &tile->next_tile);
  77               reader.read_string_vector("images",  &tile->filenames);
  78               reader.read_string_vector("editor-images", &editor_filenames);
  79
  80               for(std::vector<std::string>::iterator it = tile->
  81                   filenames.begin();
  82                   it != tile->filenames.end();
  83                   ++it)
  84                 {
  85                   Surface* cur_image;
  86                   tile->images.push_back(cur_image);
  87                   tile->images[tile->images.size()-1] = new Surface(
  88                                datadir +  "images/tilesets/" + (*it),
  89                                USE_ALPHA);
  90                 }
  91               for(std::vector<std::string>::iterator it = editor_filenames.begin();
  92                   it != editor_filenames.end();
  93                   ++it)
  94                 {
  95                   Surface* cur_image;
  96                   tile->editor_images.push_back(cur_image);
  97                   tile->editor_images[tile->editor_images.size()-1] = new Surface(
  98                                datadir +  "images/tilesets/" + (*it),
  99                                USE_ALPHA);
 100                 }
 101
 102               if (tile->id + tileset_id >= int(tiles.size())
 103                  )
 104                 tiles.resize(tile->id + tileset_id+1);
 105
 106               tiles[tile->id + tileset_id] = tile;
 107             }
 108           else if (strcmp(lisp_symbol(lisp_car(element)), "tileset") == 0)
 109             {
 110               LispReader reader(lisp_cdr(element));
 111               std::string filename;
 112               reader.read_string("file",  &filename);
 113               filename = datadir + "images/tilesets/" + filename;
 114               load_tileset(filename);
 115             }
 116           else if (strcmp(lisp_symbol(lisp_car(element)), "tilegroup") == 0)
 117             {
 118               TileGroup new_;
 119               if(!tilegroups_)
 120                 tilegroups_ = new std::vector<TileGroup>;
 121               tilegroups_->push_back(new_);
 122               LispReader reader(lisp_cdr(element));
 123               tilegroups_->back().name;
 124               reader.read_string("name",  &tilegroups_->back().name);
 125               reader.read_int_vector("tiles", &tilegroups_->back().tiles);
 126             }
 127           else if (strcmp(lisp_symbol(lisp_car(element)), "properties") == 0)
 128             {
 129               LispReader reader(lisp_cdr(element));
 130               reader.read_int("id",  &tileset_id);
 131               tileset_id *= 1000;
 132             }
 133           else
 134             {
 135               puts("Unhandled symbol");
 136             }
 137
 138           cur = lisp_cdr(cur);
 139         }
 140     }
 141   else
 142     {
 143       assert(0);
 144     }
 145 }
 146
 147 void
 148 Tile::draw(float x, float y, unsigned int c, Uint8 alpha)
 149 {
 150   if (c != 0)
 151     {
 152       Tile* ptile = TileManager::instance()->get(c);
 153       if(ptile)
 154         {
 155           if(ptile->images.size() > 1)
 156             {
 157               ptile->images[( ((global_frame_counter*25) / ptile->anim_speed) % (ptile->images.size()))]->draw(x,y, alpha);
 158             }
 159           else if (ptile->images.size() == 1)
 160             {
 161               ptile->images[0]->draw(x,y, alpha);
 162             }
 163           else
 164             {
 165               //printf("Tile not dravable %u\n", c);
 166             }
 167         }
 168     }
 169 }
 170
 171 // EOF //
 172