// 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 <memory>
+#include <stdexcept>
#include <assert.h>
#include "video/drawing_context.h"
#include "app/setup.h"
#include "app/globals.h"
-#include "utils/lispreader.h"
+#include "lisp/lisp.h"
+#include "lisp/parser.h"
+#include "lisp/list_iterator.h"
#include "tile.h"
#include "tile_manager.h"
+#include "resources.h"
#include "scene.h"
-TileManager* TileManager::instance_ = 0;
-std::set<TileGroup>* TileManager::tilegroups_ = 0;
-
-TileManager::TileManager()
+TileManager::TileManager(const std::string& filename)
{
- std::string filename = datadir + "/images/tilesets/supertux.stgt";
load_tileset(filename);
}
TileManager::~TileManager()
{
- for(std::vector<Tile*>::iterator i = tiles.begin(); i != tiles.end(); ++i) {
- delete *i;
- }
-
- delete tilegroups_;
+ for(Tiles::iterator i = tiles.begin(); i != tiles.end(); ++i)
+ delete *i;
}
void TileManager::load_tileset(std::string filename)
{
- if(filename == current_tileset)
- return;
-
// free old tiles
- for(std::vector<Tile*>::iterator i = tiles.begin(); i != tiles.end(); ++i) {
+ for(Tiles::iterator i = tiles.begin(); i != tiles.end(); ++i)
delete *i;
- }
tiles.clear();
-
- lisp_object_t* root_obj = lisp_read_from_file(filename);
-
- if (!root_obj)
- st_abort("Couldn't load file", filename);
-
- if (strcmp(lisp_symbol(lisp_car(root_obj)), "supertux-tiles") == 0)
- {
- lisp_object_t* cur = lisp_cdr(root_obj);
- int tileset_id = 0;
-
- while(!lisp_nil_p(cur))
- {
- lisp_object_t* element = lisp_car(cur);
-
- if (strcmp(lisp_symbol(lisp_car(element)), "tile") == 0)
- {
- LispReader reader(lisp_cdr(element));
-
- Tile* tile = new Tile;
- int tile_id = tile->read(reader);
- if(tile_id < 0) {
- std::cerr
- << "Warning: parse error when reading a tile, skipping.\n";
- continue;
- }
-
- tile_id += tileset_id;
- if(tile_id >= int(tiles.size()))
- tiles.resize(tile_id+1);
- tiles[tile_id] = tile;
- }
- else if (strcmp(lisp_symbol(lisp_car(element)), "tileset") == 0)
- {
- LispReader reader(lisp_cdr(element));
- std::string filename;
- reader.read_string("file", filename);
- filename = datadir + "/images/tilesets/" + filename;
- load_tileset(filename);
- }
- else if (strcmp(lisp_symbol(lisp_car(element)), "tilegroup") == 0)
- {
- TileGroup new_;
- LispReader reader(lisp_cdr(element));
- reader.read_string("name", new_.name);
- reader.read_int_vector("tiles", new_.tiles);
- if(!tilegroups_)
- tilegroups_ = new std::set<TileGroup>;
- tilegroups_->insert(new_).first;
- }
- else if (strcmp(lisp_symbol(lisp_car(element)), "properties") == 0)
- {
- LispReader reader(lisp_cdr(element));
- reader.read_int("id", tileset_id);
- tileset_id *= 1000;
- }
- else
- {
- std::cerr << "Unknown symbol: " <<
- lisp_symbol(lisp_car(element)) << "\n";
- }
+ std::string::size_type t = filename.rfind('/');
+ if(t == std::string::npos) {
+ tiles_path = "";
+ } else {
+ tiles_path = filename.substr(0, t+1);
+ }
- cur = lisp_cdr(cur);
- }
- }
- else
- {
- assert(0);
+ lisp::Parser parser;
+ std::auto_ptr<lisp::Lisp> root (parser.parse(
+ get_resource_filename(filename)));
+
+ const lisp::Lisp* tiles_lisp = root->get_lisp("supertux-tiles");
+ if(!tiles_lisp)
+ throw std::runtime_error("file is not a supertux tiles file.");
+
+ lisp::ListIterator iter(tiles_lisp);
+ while(iter.next()) {
+ if(iter.item() == "tile") {
+ Tile* tile = new Tile();
+ tile->parse(*(iter.lisp()));
+ while(tile->id >= tiles.size()) {
+ tiles.push_back(0);
+ }
+ tiles[tile->id] = tile;
+ } else if(iter.item() == "tilegroup") {
+ TileGroup tilegroup;
+ const lisp::Lisp* tilegroup_lisp = iter.lisp();
+ tilegroup_lisp->get("name", tilegroup.name);
+ tilegroup_lisp->get_vector("tiles", tilegroup.tiles);
+ tilegroups.insert(tilegroup);
+ } else if(iter.item() == "properties") {
+ // deprecated
+ } else {
+ std::cerr << "Unknown symbol '" << iter.item() << "'.\n";
}
-
- lisp_free(root_obj);
- current_tileset = filename;
-}
-
-void
-TileManager::draw_tile(DrawingContext& context, unsigned int c,
- const Vector& pos, int layer)
-{
- if(c == 0)
- return;
-
- Tile& tile = get(c);
-
- if(!tile.images.size())
- return;
-
- if(tile.images.size() > 1)
- {
- size_t frame
- = ((global_frame_counter*25) / tile.anim_speed) % tile.images.size();
- context.draw_surface(tile.images[frame], pos, layer);
- }
- else if (tile.images.size() == 1)
- {
- context.draw_surface(tile.images[0], pos, layer);
}
}
-/* EOF */