+// $Id$
+//
+// SuperTux
+// Copyright (C) 2004 Tobias Glaesser <tobi.web@gmx.de>
//
-// C++ Implementation: tile
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
//
-// Description:
-//
-//
-// Author: Tobias Glaesser <tobi.web@gmx.de>, (C) 2004
-//
-// Copyright: See COPYING file that comes with this distribution
-//
-//
-#include "tile.h"
-#include "scene.h"
-#include "assert.h"
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// 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>
-TileManager* TileManager::instance_ = 0;
-std::vector<TileGroup>* TileManager::tilegroups_ = 0;
+#include <cmath>
+#include <cassert>
+#include <iostream>
+#include <stdexcept>
-TileManager::TileManager()
-{
- std::string filename = datadir + "images/tilesets/supertux.stgt";
- load_tileset(filename);
-}
+#include "app/globals.h"
+#include "tile.h"
+#include "scene.h"
+#include "utils/lispreader.h"
+#include "math/vector.h"
+#include "video/drawing_context.h"
-void TileManager::load_tileset(std::string filename)
+/** Dirty little helper to create a surface from a snipped of lisp:
+ *
+ * "filename"
+ * (region "filename" x y w h)
+ */
+static
+Surface* create_surface(lisp_object_t* cur)
{
- 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)
+ if (lisp_string_p(cur))
{
- lisp_object_t* cur = lisp_cdr(root_obj);
- int tileset_id = 0;
-
- while(!lisp_nil_p(cur))
+ return new Surface(datadir + "/images/tilesets/" + lisp_string(cur),
+ true);
+ }
+ else if (lisp_cons_p(cur) && lisp_symbol_p(lisp_car(cur)))
+ {
+ lisp_object_t* sym = lisp_car(cur);
+ lisp_object_t* data = lisp_cdr(cur);
+
+ if (strcmp(lisp_symbol(sym), "region") == 0)
{
- lisp_object_t* element = lisp_car(cur);
-
- if (strcmp(lisp_symbol(lisp_car(element)), "tile") == 0)
- {
- std::vector<std::string> editor_filenames;
-
- Tile* tile = new Tile;
- tile->id = -1;
- tile->solid = false;
- tile->brick = false;
- tile->ice = false;
- tile->water = false;
- tile->fullbox = false;
- tile->distro = false;
- tile->data = 0;
- tile->next_tile = 0;
- tile->anim_speed = 25;
-
- LispReader reader(lisp_cdr(element));
- assert(reader.read_int("id", &tile->id));
- reader.read_bool("solid", &tile->solid);
- reader.read_bool("brick", &tile->brick);
- reader.read_bool("ice", &tile->ice);
- reader.read_bool("water", &tile->water);
- reader.read_bool("fullbox", &tile->fullbox);
- reader.read_bool("distro", &tile->distro);
- reader.read_int("data", &tile->data);
- reader.read_int("anim-speed", &tile->anim_speed);
- reader.read_int("next-tile", &tile->next_tile);
- reader.read_string_vector("images", &tile->filenames);
- reader.read_string_vector("editor-images", &editor_filenames);
-
- for(std::vector<std::string>::iterator it = tile->
- filenames.begin();
- it != tile->filenames.end();
- ++it)
- {
- Surface* cur_image;
- tile->images.push_back(cur_image);
- tile->images[tile->images.size()-1] = new Surface(
- datadir + "images/tilesets/" + (*it),
- USE_ALPHA);
- }
- for(std::vector<std::string>::iterator it = editor_filenames.begin();
- it != editor_filenames.end();
- ++it)
- {
- Surface* cur_image;
- tile->editor_images.push_back(cur_image);
- tile->editor_images[tile->editor_images.size()-1] = new Surface(
- datadir + "images/tilesets/" + (*it),
- USE_ALPHA);
- }
-
- if (tile->id + tileset_id >= int(tiles.size())
- )
- tiles.resize(tile->id + tileset_id+1);
-
- tiles[tile->id + tileset_id] = tile;
- }
- else if (strcmp(lisp_symbol(lisp_car(element)), "tileset") == 0)
+ if (lisp_list_length(data) == 5) // (image-region filename x y w h)
{
- 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_;
- if(!tilegroups_)
- tilegroups_ = new std::vector<TileGroup>;
- tilegroups_->push_back(new_);
- LispReader reader(lisp_cdr(element));
- tilegroups_->back().name;
- reader.read_string("name", &tilegroups_->back().name);
- reader.read_int_vector("tiles", &tilegroups_->back().tiles);
- }
- else if (strcmp(lisp_symbol(lisp_car(element)), "properties") == 0)
- {
- LispReader reader(lisp_cdr(element));
- reader.read_int("id", &tileset_id);
- tileset_id *= 1000;
+ return new Surface(datadir + "/images/tilesets/" + lisp_string(lisp_car(data)),
+ lisp_integer(lisp_list_nth(data, 1)),
+ lisp_integer(lisp_list_nth(data, 2)),
+ lisp_integer(lisp_list_nth(data, 3)),
+ lisp_integer(lisp_list_nth(data, 4)),
+ true);
}
else
{
- puts("Unhandled symbol");
+ std::cout << "Tile: Type mispatch, should be '(region \"somestring\" x y w h)'" << std::endl;
+ return 0;
}
-
- cur = lisp_cdr(cur);
+ }
+ else
+ {
+ std::cout << "Tile: Unhandled tag: " << lisp_symbol(sym) << std::endl;
+ return 0;
}
}
- else
+
+ std::cout << "Tile: unhandled element" << std::endl;
+ return 0;
+}
+
+/** Create a vector of surfaces (aka Sprite) from a piece of lisp:
+ ((image "bla.png") (image-region "bla.png") ...)
+ */
+static
+std::vector<Surface*> create_surfaces(lisp_object_t* cur)
+{
+ std::vector<Surface*> surfs;
+
+ while(cur)
{
- assert(0);
+ Surface* surface = create_surface(lisp_car(cur));
+ if (surface)
+ surfs.push_back(surface);
+ else
+ std::cout << "Tile: Couldn't create image" << std::endl;
+
+ cur = lisp_cdr(cur);
}
+
+ return surfs;
+}
+
+Tile::Tile()
+ : id(0), attributes(0), data(0), next_tile(0), anim_fps(1)
+{
+}
+
+Tile::~Tile()
+{
+ for(std::vector<Surface*>::iterator i = images.begin(); i != images.end();
+ ++i) {
+ delete *i;
+ }
+ for(std::vector<Surface*>::iterator i = editor_images.begin();
+ i != editor_images.end(); ++i) {
+ delete *i;
+ }
}
void
-Tile::draw(float x, float y, unsigned int c, Uint8 alpha)
+Tile::read(LispReader& reader)
{
- if (c != 0)
- {
- Tile* ptile = TileManager::instance()->get(c);
- if(ptile)
- {
- if(ptile->images.size() > 1)
- {
- ptile->images[( ((global_frame_counter*25) / ptile->anim_speed) % (ptile->images.size()))]->draw(x,y, alpha);
- }
- else if (ptile->images.size() == 1)
- {
- ptile->images[0]->draw(x,y, alpha);
- }
- else
- {
- //printf("Tile not dravable %u\n", c);
- }
- }
- }
+ if(!reader.read_uint("id", id)) {
+ throw std::runtime_error("Missing tile-id.");
+ }
+
+ bool value;
+ if(reader.read_bool("solid", value) && value)
+ attributes |= SOLID;
+ if(reader.read_bool("unisolid", value) && value)
+ attributes |= UNISOLID | SOLID;
+ if(reader.read_bool("brick", value) && value)
+ attributes |= BRICK;
+ if(reader.read_bool("ice", value) && value)
+ attributes |= ICE;
+ if(reader.read_bool("water", value) && value)
+ attributes |= WATER;
+ if(reader.read_bool("spike", value) && value)
+ attributes |= SPIKE;
+ if(reader.read_bool("fullbox", value) && value)
+ attributes |= FULLBOX;
+ if(reader.read_bool("distro", value) && value)
+ attributes |= COIN;
+ if(reader.read_bool("coin", value) && value)
+ attributes |= COIN;
+ if(reader.read_bool("goal", value) && value)
+ attributes |= GOAL;
+
+ reader.read_int("data", data);
+ reader.read_float("anim-fps", anim_fps);
+ reader.read_int("next-tile", next_tile);
+
+ if(reader.read_int("slope-type", data)) {
+ attributes |= SOLID | SLOPE;
+ }
+
+ images = create_surfaces(reader.read_lisp("images"));
+ editor_images = create_surfaces(reader.read_lisp("editor-images"));
}
-// EOF //
+void
+Tile::draw(DrawingContext& context, const Vector& pos, int layer) const
+{
+ if(images.size() > 1) {
+ size_t frame = size_t(global_time * anim_fps) % images.size();
+ context.draw_surface(images[frame], pos, layer);
+ } else if (images.size() == 1) {
+ context.draw_surface(images[0], pos, layer);
+ }
+}