4 // Copyright (C) 2006 Matthias Braun <matze@braunis.de>
6 // This program is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU General Public License
8 // as published by the Free Software Foundation; either version 2
9 // of the License, or (at your option) any later version.
11 // This program is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License
17 // along with this program; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
28 #include "tilemap.hpp"
29 #include "video/drawing_context.hpp"
32 #include "resources.hpp"
33 #include "tile_manager.hpp"
34 #include "lisp/lisp.hpp"
35 #include "lisp/writer.hpp"
36 #include "object_factory.hpp"
41 : solid(false), speed(1), width(0), height(0), layer(LAYER_TILES),
42 drawing_effect(NO_EFFECT)
44 tilemanager = tile_manager;
50 TileMap::TileMap(const lisp::Lisp& reader, TileManager* new_tile_manager)
51 : solid(false), speed(1), width(-1), height(-1), layer(LAYER_TILES),
52 drawing_effect(NO_EFFECT)
54 tilemanager = new_tile_manager;
56 tilemanager = tile_manager;
58 std::string layer_str;
59 if(reader.get("layer", layer_str)) {
60 if(layer_str == "background")
61 layer = LAYER_BACKGROUNDTILES;
62 else if(layer_str == "interactive")
64 else if(layer_str == "foreground")
65 layer = LAYER_FOREGROUNDTILES;
67 log_warning << "Unknown layer '" << layer_str << "' in tilemap" << std::endl;
70 reader.get("solid", solid);
71 reader.get("speed", speed);
73 if(solid && speed != 1) {
74 log_warning << "Speed of solid tilemap is not 1. fixing" << std::endl;
80 reader.get("width", width);
81 reader.get("height", height);
82 if(width < 0 || height < 0)
83 throw std::runtime_error("Invalid/No width/height specified in tilemap.");
85 if(!reader.get_vector("tiles", tiles))
86 throw std::runtime_error("No tiles in tilemap.");
88 if(int(tiles.size()) != width*height) {
89 throw std::runtime_error("wrong number of tiles in tilemap.");
92 // make sure all tiles are loaded
93 for(Tiles::iterator i = tiles.begin(); i != tiles.end(); ++i)
97 TileMap::TileMap(int layer_, bool solid_, size_t width_, size_t height_)
98 : solid(solid_), speed(1), width(0), height(0), layer(layer_),
99 drawing_effect(NO_EFFECT)
101 tilemanager = tile_manager;
103 resize(width_, height_);
114 TileMap::write(lisp::Writer& writer)
116 writer.start_list("tilemap");
118 if(layer == LAYER_BACKGROUNDTILES)
119 writer.write_string("layer", "background");
120 else if(layer == LAYER_TILES)
121 writer.write_string("layer", "interactive");
122 else if(layer == LAYER_FOREGROUNDTILES)
123 writer.write_string("layer", "foreground");
125 writer.write_string("layer", "unknown");
126 log_warning << "unknown layer in tilemap" << std::endl;
129 writer.write_bool("solid", solid);
130 writer.write_float("speed", speed);
131 writer.write_int("width", width);
132 writer.write_int("height", height);
133 writer.write_int_vector("tiles", tiles);
135 writer.end_list("tilemap");
139 TileMap::update(float )
144 TileMap::draw(DrawingContext& context)
146 context.push_transform();
148 if(drawing_effect != 0)
149 context.set_drawing_effect(drawing_effect);
150 float trans_x = roundf(context.get_translation().x);
151 float trans_y = roundf(context.get_translation().y);
152 context.set_translation(Vector(trans_x * speed, trans_y * speed));
154 /** if we don't round here, we'll have a 1 pixel gap on screen sometimes.
155 * I have no idea why */
156 float start_x = roundf(context.get_translation().x);
159 float start_y = roundf(context.get_translation().y);
162 float end_x = std::min(start_x + SCREEN_WIDTH, float(width * 32));
163 float end_y = std::min(start_y + SCREEN_HEIGHT, float(height * 32));
164 start_x -= int(start_x) % 32;
165 start_y -= int(start_y) % 32;
166 int tsx = int(start_x / 32); // tilestartindex x
167 int tsy = int(start_y / 32); // tilestartindex y
171 for(pos.x = start_x, tx = tsx; pos.x < end_x; pos.x += 32, ++tx) {
172 for(pos.y = start_y, ty = tsy; pos.y < end_y; pos.y += 32, ++ty) {
173 const Tile* tile = tilemanager->get(tiles[ty*width + tx]);
175 tile->draw(context, pos, layer);
182 for (pos.x = start_x; pos.x < end_x; pos.x += 32)
184 context.draw_filled_rect(Vector (pos.x, start_y), Vector(1, fabsf(start_y - end_y)),
185 Color(0.8f, 0.8f, 0.8f), LAYER_GUI-50);
188 for (pos.y = start_y; pos.y < end_y; pos.y += 32)
190 context.draw_filled_rect(Vector (start_x, pos.y), Vector(fabsf(start_x - end_x), 1),
191 Color(1.0f, 1.0f, 1.0f), LAYER_GUI-50);
196 context.pop_transform();
200 TileMap::set(int newwidth, int newheight, const std::vector<unsigned int>&newt,
201 int newlayer, bool newsolid)
203 if(int(newt.size()) != newwidth * newheight)
204 throw std::runtime_error("Wrong tilecount count.");
209 tiles.resize(newt.size());
217 // make sure all tiles are loaded
218 for(Tiles::iterator i = tiles.begin(); i != tiles.end(); ++i)
219 tilemanager->get(*i);
223 TileMap::resize(int new_width, int new_height)
225 if(new_width < width) {
226 // remap tiles for new width
227 for(int y = 0; y < height && y < new_height; ++y) {
228 for(int x = 0; x < new_width; ++x) {
229 tiles[y * new_width + x] = tiles[y * width + x];
234 tiles.resize(new_width * new_height);
236 if(new_width > width) {
238 for(int y = std::min(height, new_height)-1; y >= 0; --y) {
239 for(int x = new_width-1; x >= 0; --x) {
241 tiles[y * new_width + x] = 0;
245 tiles[y * new_width + x] = tiles[y * width + x];
255 TileMap::get_tile(int x, int y) const
257 if(x < 0 || x >= width || y < 0 || y >= height) {
258 //log_warning << "tile outside tilemap requested" << std::endl;
259 return tilemanager->get(0);
262 return tilemanager->get(tiles[y*width + x]);
266 TileMap::get_tile_at(const Vector& pos) const
268 return get_tile(int(pos.x)/32, int(pos.y)/32);
272 TileMap::change(int x, int y, uint32_t newtile)
274 assert(x >= 0 && x < width && y >= 0 && y < height);
275 tiles[y*width + x] = newtile;
279 TileMap::change_at(const Vector& pos, uint32_t newtile)
281 change(int(pos.x)/32, int(pos.y)/32, newtile);
285 TileMap::change_all(uint32_t oldtile, uint32_t newtile)
287 for (size_t x = 0; x < get_width(); x++)
288 for (size_t y = 0; y < get_height(); y++) {
289 if (get_tile(x,y)->getID() == oldtile) change(x,y,newtile);
293 IMPLEMENT_FACTORY(TileMap, "tilemap");