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)
36 : tiles_path(""), tiles_loaded(true)
38 tiles_path = FileSystem::dirname(filename);
41 tiles[0] = new Tile(this);
44 const lisp::Lisp* root = parser.parse(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 Tile* tile = new Tile(this);
54 uint32_t id = tile->parse(*(iter.lisp()));
56 if(id >= tiles.size())
57 tiles.resize(id+1, 0);
60 log_warning << "Tile with ID " << id << " redefined" << std::endl;
65 } else if(iter.item() == "tilegroup") {
66 /* tilegroups are only interesting for the editor */
67 } else if (iter.item() == "tiles") {
68 // List of ids (use 0 if the tile should be ignored)
69 std::vector<uint32_t> ids;
70 // List of attributes of the tile
71 std::vector<uint32_t> attributes;
72 // List of data for the tiles
73 std::vector<uint32_t> datas;
74 //List of frames that the tiles come in
75 std::vector<std::string> images;
77 // width and height of the image in tile units, this is used for two
79 // a) so we don't have to load the image here to know its dimensions
80 // b) so that the resulting 'tiles' entry is more robust,
81 // ie. enlarging the image won't break the tile id mapping
82 // FIXME: height is actually not used, since width might be enough for
83 // all purposes, still feels somewhat more natural this way
84 unsigned int width = 0;
85 unsigned int height = 0;
87 iter.lisp()->get("ids", ids);
88 bool has_attributes = iter.lisp()->get("attributes", attributes);
89 bool has_datas = iter.lisp()->get("datas", datas);
91 if(!iter.lisp()->get("image", images))
92 iter.lisp()->get( "images", images);
94 iter.lisp()->get("width", width);
95 iter.lisp()->get("height", height);
98 iter.lisp()->get("anim-fps", animfps);
100 if(images.size() <= 0) {
101 throw std::runtime_error("No images in tile.");
104 throw std::runtime_error("Negative fps.");
106 if (ids.size() != width*height) {
107 std::ostringstream err;
108 err << "Number of ids (" << ids.size() << ") and size of image (" << width*height
109 << ") mismatch for image '" << images[0] << "', but must be equal";
110 throw std::runtime_error(err.str());
113 if (has_attributes && ids.size() != attributes.size()) {
114 std::ostringstream err;
115 err << "Number of ids (" << ids.size() << ") and attributes (" << attributes.size()
116 << ") mismatch for image '" << images[0] << "', but must be equal";
117 throw std::runtime_error(err.str());
120 if (has_datas && ids.size() != datas.size()) {
121 std::ostringstream err;
122 err << "Number of ids (" << ids.size() << ") and datas (" << datas.size()
123 << ") mismatch for image '" << images[0] << "', but must be equal";
124 throw std::runtime_error(err.str());
127 for(std::vector<uint32_t>::size_type i = 0; i < ids.size() && i < width*height; ++i) {
131 if(ids[i] >= tiles.size())
132 tiles.resize(ids[i]+1, 0);
134 int x = 32*(i % width);
135 int y = 32*(i / width);
136 Tile* tile = new Tile(this, images, Rect(x, y, x + 32, y + 32),
137 (has_attributes ? attributes[i] : 0), (has_datas ? datas[i] : 0), animfps);
138 if (tiles[ids[i]] == 0) {
139 tiles[ids[i]] = tile;
141 log_warning << "Tile with ID " << ids[i] << " redefined" << std::endl;
145 } else if(iter.item() == "properties") {
148 log_warning << "Unknown symbol '" << iter.item() << "' in tileset file" << std::endl;
152 { // enable this if you want to see a list of free tiles
153 log_info << "Last Tile ID is " << tiles.size()-1 << std::endl;
155 for(int i = 0; i < int(tiles.size()); ++i)
157 if (tiles[i] == 0 && last == -1)
161 else if (tiles[i] && last != -1)
163 log_info << "Free Tile IDs (" << i - last << "): " << last << " - " << i-1 << std::endl;
169 { // enable this to dump the (large) list of tiles to log_debug
170 // Two dumps are identical iff the tilesets specify identical tiles
171 log_debug << "Tileset in " << filename << std::endl;
172 for(int i = 0; i < int(tiles.size()); ++i)
177 log_debug << " Tile: id " << i << ", data " << t->data << ", attributes " << t->attributes << ":" << std::endl;
178 for(std::vector<Tile::ImageSpec>::iterator im = t->imagespecs.begin(); im !=
179 t->imagespecs.end(); ++im) {
180 log_debug << " Imagespec: file " << im->file << "; rect " << im->rect << std::endl;
189 for(Tiles::iterator i = tiles.begin(); i != tiles.end(); ++i)
194 void TileSet::merge(const TileSet *tileset, uint32_t start, uint32_t end,
197 for(uint32_t id = start; id <= end && id < tileset->tiles.size(); ++id) {
198 uint32_t dest_id = id - start + offset;
200 if(dest_id >= tiles.size())
201 tiles.resize(dest_id + 1, 0);
206 Tile *tile = tileset->tiles[id];
210 if(tiles[dest_id] != NULL) {
211 log_warning << "tileset merge resulted in multiple definitions for id "
212 << dest_id << "(originally " << id << ")" << std::endl;
214 tiles[dest_id] = tile;