2 // Copyright (C) 2008 Matthias Braun <matze@braunis.de>
3 // Ingo Ruhnke <grumbel@gmx.de>
5 // This program is free software: you can redistribute it and/or modify
6 // it under the terms of the GNU General Public License as published by
7 // the Free Software Foundation, either version 3 of the License, or
8 // (at your option) any later version.
10 // This program is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 // GNU General Public License for more details.
15 // You should have received a copy of the GNU General Public License
16 // along with this program. If not, see <http://www.gnu.org/licenses/>.
18 #include "supertux/tile_set_parser.hpp"
23 #include "lisp/list_iterator.hpp"
24 #include "lisp/parser.hpp"
25 #include "supertux/tile_set.hpp"
26 #include "util/file_system.hpp"
28 TileSetParser::TileSetParser(TileSet& tileset, const std::string& filename) :
36 TileSetParser::parse()
38 m_tiles_path = FileSystem::dirname(m_filename);
40 m_tileset.tiles.resize(1, 0);
41 m_tileset.tiles[0] = new Tile(m_tileset);
44 const lisp::Lisp* root = parser.parse(m_filename);
46 const lisp::Lisp* tiles_lisp = root->get_lisp("supertux-tiles");
48 throw std::runtime_error("file is not a supertux tiles file.");
50 lisp::ListIterator iter(tiles_lisp);
52 if(iter.item() == "tile") {
53 std::auto_ptr<Tile> tile(new Tile(m_tileset));
54 uint32_t id = parse_tile(*tile, *iter.lisp());
56 if(id >= m_tileset.tiles.size())
57 m_tileset.tiles.resize(id+1, 0);
59 if(m_tileset.tiles[id] != 0) {
60 log_warning << "Tile with ID " << id << " redefined" << std::endl;
62 m_tileset.tiles[id] = tile.release();
64 } else if(iter.item() == "tilegroup") {
65 /* tilegroups are only interesting for the editor */
66 } else if (iter.item() == "tiles") {
67 // List of ids (use 0 if the tile should be ignored)
68 std::vector<uint32_t> ids;
69 // List of attributes of the tile
70 std::vector<uint32_t> attributes;
71 // List of data for the tiles
72 std::vector<uint32_t> datas;
73 //List of frames that the tiles come in
74 std::vector<std::string> images;
76 // width and height of the image in tile units, this is used for two
78 // a) so we don't have to load the image here to know its dimensions
79 // b) so that the resulting 'tiles' entry is more robust,
80 // ie. enlarging the image won't break the tile id mapping
81 // FIXME: height is actually not used, since width might be enough for
82 // all purposes, still feels somewhat more natural this way
83 unsigned int width = 0;
84 unsigned int height = 0;
86 iter.lisp()->get("ids", ids);
87 bool has_attributes = iter.lisp()->get("attributes", attributes);
88 bool has_datas = iter.lisp()->get("datas", datas);
90 if (!iter.lisp()->get("image", images))
92 iter.lisp()->get( "images", images);
95 // make the image path absolute
96 for(std::vector<std::string>::iterator i = images.begin(); i != images.end(); ++i)
98 *i = m_tiles_path + *i;
101 iter.lisp()->get("width", width);
102 iter.lisp()->get("height", height);
105 iter.lisp()->get("anim-fps", animfps);
107 if(images.size() <= 0) {
108 throw std::runtime_error("No images in tile.");
111 throw std::runtime_error("Negative fps.");
113 if (ids.size() != width*height) {
114 std::ostringstream err;
115 err << "Number of ids (" << ids.size() << ") and size of image (" << width*height
116 << ") mismatch for image '" << images[0] << "', but must be equal";
117 throw std::runtime_error(err.str());
120 if (has_attributes && ids.size() != attributes.size()) {
121 std::ostringstream err;
122 err << "Number of ids (" << ids.size() << ") and attributes (" << attributes.size()
123 << ") mismatch for image '" << images[0] << "', but must be equal";
124 throw std::runtime_error(err.str());
127 if (has_datas && ids.size() != datas.size()) {
128 std::ostringstream err;
129 err << "Number of ids (" << ids.size() << ") and datas (" << datas.size()
130 << ") mismatch for image '" << images[0] << "', but must be equal";
131 throw std::runtime_error(err.str());
134 for(std::vector<uint32_t>::size_type i = 0; i < ids.size() && i < width*height; ++i) {
138 if(ids[i] >= m_tileset.tiles.size())
139 m_tileset.tiles.resize(ids[i]+1, 0);
141 int x = 32*(i % width);
142 int y = 32*(i / width);
143 std::auto_ptr<Tile> tile(new Tile(m_tileset, images, Rect(x, y, x + 32, y + 32),
144 (has_attributes ? attributes[i] : 0), (has_datas ? datas[i] : 0), animfps));
145 if (m_tileset.tiles[ids[i]] == 0) {
146 m_tileset.tiles[ids[i]] = tile.release();
148 log_warning << "Tile with ID " << ids[i] << " redefined" << std::endl;
151 } else if(iter.item() == "properties") {
154 log_warning << "Unknown symbol '" << iter.item() << "' in tileset file" << std::endl;
160 TileSetParser::parse_tile(Tile& tile, const Reader& reader)
163 if(!reader.get("id", id)) {
164 throw std::runtime_error("Missing tile-id.");
168 if(reader.get("solid", value) && value)
169 tile.attributes |= Tile::SOLID;
170 if(reader.get("unisolid", value) && value)
171 tile.attributes |= Tile::UNISOLID | Tile::SOLID;
172 if(reader.get("brick", value) && value)
173 tile.attributes |= Tile::BRICK;
174 if(reader.get("ice", value) && value)
175 tile.attributes |= Tile::ICE;
176 if(reader.get("water", value) && value)
177 tile.attributes |= Tile::WATER;
178 if(reader.get("hurts", value) && value)
179 tile.attributes |= Tile::HURTS;
180 if(reader.get("fire", value) && value)
181 tile.attributes |= Tile::FIRE;
182 if(reader.get("fullbox", value) && value)
183 tile.attributes |= Tile::FULLBOX;
184 if(reader.get("coin", value) && value)
185 tile.attributes |= Tile::COIN;
186 if(reader.get("goal", value) && value)
187 tile.attributes |= Tile::GOAL;
189 if(reader.get("north", value) && value)
190 tile.data |= Tile::WORLDMAP_NORTH;
191 if(reader.get("south", value) && value)
192 tile.data |= Tile::WORLDMAP_SOUTH;
193 if(reader.get("west", value) && value)
194 tile.data |= Tile::WORLDMAP_WEST;
195 if(reader.get("east", value) && value)
196 tile.data |= Tile::WORLDMAP_EAST;
197 if(reader.get("stop", value) && value)
198 tile.data |= Tile::WORLDMAP_STOP;
200 reader.get("data", tile.data);
201 reader.get("anim-fps", tile.anim_fps);
203 if(reader.get("slope-type", tile.data)) {
204 tile.attributes |= Tile::SOLID | Tile::SLOPE;
207 const lisp::Lisp* images;
209 images = reader.get_lisp("editor-images");
211 parse_tile_images(tile, *images);
214 images = reader.get_lisp("images");
216 parse_tile_images(tile, *images);
221 tile.correct_attributes();
227 TileSetParser::parse_tile_images(Tile& tile, const Reader& images_lisp)
229 const lisp::Lisp* list = &images_lisp;
232 const lisp::Lisp* cur = list->get_car();
234 if(cur->get_type() == lisp::Lisp::TYPE_STRING)
238 tile.imagespecs.push_back(Tile::ImageSpec(m_tiles_path + file, Rect(0, 0, 0, 0)));
240 else if(cur->get_type() == lisp::Lisp::TYPE_CONS &&
241 cur->get_car()->get_type() == lisp::Lisp::TYPE_SYMBOL &&
242 cur->get_car()->get_symbol() == "region")
244 const lisp::Lisp* ptr = cur->get_cdr();
251 ptr->get_car()->get(file); ptr = ptr->get_cdr();
252 ptr->get_car()->get(x); ptr = ptr->get_cdr();
253 ptr->get_car()->get(y); ptr = ptr->get_cdr();
254 ptr->get_car()->get(w); ptr = ptr->get_cdr();
255 ptr->get_car()->get(h);
256 tile.imagespecs.push_back(Tile::ImageSpec(m_tiles_path + file, Rect(x, y, x+w, y+h)));
260 log_warning << "Expected string or list in images tag" << std::endl;
263 list = list->get_cdr();