2 // Copyright (C) 2008 Matthias Braun <matze@braunis.de>
4 // This program is free software: you can redistribute it and/or modify
5 // it under the terms of the GNU General Public License as published by
6 // the Free Software Foundation, either version 3 of the License, or
7 // (at your option) any later version.
9 // This program is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License
15 // along with this program. If not, see <http://www.gnu.org/licenses/>.
17 #include "supertux/tile_set.hpp"
22 #include "lisp/list_iterator.hpp"
23 #include "lisp/parser.hpp"
24 #include "util/file_system.hpp"
32 tiles[0] = new Tile(this);
35 TileSet::TileSet(const std::string& filename) :
40 tiles_path = FileSystem::dirname(filename);
43 tiles[0] = new Tile(this);
46 const lisp::Lisp* root = parser.parse(filename);
48 const lisp::Lisp* tiles_lisp = root->get_lisp("supertux-tiles");
50 throw std::runtime_error("file is not a supertux tiles file.");
52 lisp::ListIterator iter(tiles_lisp);
54 if(iter.item() == "tile") {
55 Tile* tile = new Tile(this);
56 uint32_t id = tile->parse(*(iter.lisp()));
58 if(id >= tiles.size())
59 tiles.resize(id+1, 0);
62 log_warning << "Tile with ID " << id << " redefined" << std::endl;
67 } else if(iter.item() == "tilegroup") {
68 /* tilegroups are only interesting for the editor */
69 } else if (iter.item() == "tiles") {
70 // List of ids (use 0 if the tile should be ignored)
71 std::vector<uint32_t> ids;
72 // List of attributes of the tile
73 std::vector<uint32_t> attributes;
74 // List of data for the tiles
75 std::vector<uint32_t> datas;
76 //List of frames that the tiles come in
77 std::vector<std::string> images;
79 // width and height of the image in tile units, this is used for two
81 // a) so we don't have to load the image here to know its dimensions
82 // b) so that the resulting 'tiles' entry is more robust,
83 // ie. enlarging the image won't break the tile id mapping
84 // FIXME: height is actually not used, since width might be enough for
85 // all purposes, still feels somewhat more natural this way
86 unsigned int width = 0;
87 unsigned int height = 0;
89 iter.lisp()->get("ids", ids);
90 bool has_attributes = iter.lisp()->get("attributes", attributes);
91 bool has_datas = iter.lisp()->get("datas", datas);
93 if(!iter.lisp()->get("image", images))
94 iter.lisp()->get( "images", images);
96 iter.lisp()->get("width", width);
97 iter.lisp()->get("height", height);
100 iter.lisp()->get("anim-fps", animfps);
102 if(images.size() <= 0) {
103 throw std::runtime_error("No images in tile.");
106 throw std::runtime_error("Negative fps.");
108 if (ids.size() != width*height) {
109 std::ostringstream err;
110 err << "Number of ids (" << ids.size() << ") and size of image (" << width*height
111 << ") mismatch for image '" << images[0] << "', but must be equal";
112 throw std::runtime_error(err.str());
115 if (has_attributes && ids.size() != attributes.size()) {
116 std::ostringstream err;
117 err << "Number of ids (" << ids.size() << ") and attributes (" << attributes.size()
118 << ") mismatch for image '" << images[0] << "', but must be equal";
119 throw std::runtime_error(err.str());
122 if (has_datas && ids.size() != datas.size()) {
123 std::ostringstream err;
124 err << "Number of ids (" << ids.size() << ") and datas (" << datas.size()
125 << ") mismatch for image '" << images[0] << "', but must be equal";
126 throw std::runtime_error(err.str());
129 for(std::vector<uint32_t>::size_type i = 0; i < ids.size() && i < width*height; ++i) {
133 if(ids[i] >= tiles.size())
134 tiles.resize(ids[i]+1, 0);
136 int x = 32*(i % width);
137 int y = 32*(i / width);
138 Tile* tile = new Tile(this, images, Rect(x, y, x + 32, y + 32),
139 (has_attributes ? attributes[i] : 0), (has_datas ? datas[i] : 0), animfps);
140 if (tiles[ids[i]] == 0) {
141 tiles[ids[i]] = tile;
143 log_warning << "Tile with ID " << ids[i] << " redefined" << std::endl;
147 } else if(iter.item() == "properties") {
150 log_warning << "Unknown symbol '" << iter.item() << "' in tileset file" << std::endl;
154 { // enable this if you want to see a list of free tiles
155 log_info << "Last Tile ID is " << tiles.size()-1 << std::endl;
157 for(int i = 0; i < int(tiles.size()); ++i)
159 if (tiles[i] == 0 && last == -1)
163 else if (tiles[i] && last != -1)
165 log_info << "Free Tile IDs (" << i - last << "): " << last << " - " << i-1 << std::endl;
171 { // enable this to dump the (large) list of tiles to log_debug
172 // Two dumps are identical iff the tilesets specify identical tiles
173 log_debug << "Tileset in " << filename << std::endl;
174 for(int i = 0; i < int(tiles.size()); ++i)
179 log_debug << " Tile: id " << i << ", data " << t->data << ", attributes " << t->attributes << ":" << std::endl;
180 for(std::vector<Tile::ImageSpec>::iterator im = t->imagespecs.begin(); im !=
181 t->imagespecs.end(); ++im) {
182 log_debug << " Imagespec: file " << im->file << "; rect " << im->rect << std::endl;
191 for(Tiles::iterator i = tiles.begin(); i != tiles.end(); ++i)
196 void TileSet::merge(const TileSet *tileset, uint32_t start, uint32_t end,
199 for(uint32_t id = start; id <= end && id < tileset->tiles.size(); ++id) {
200 uint32_t dest_id = id - start + offset;
202 if(dest_id >= tiles.size())
203 tiles.resize(dest_id + 1, 0);
208 Tile *tile = tileset->tiles[id];
212 if(tiles[dest_id] != NULL) {
213 log_warning << "tileset merge resulted in multiple definitions for id "
214 << dest_id << "(originally " << id << ")" << std::endl;
216 tiles[dest_id] = tile;