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), z_pos(0),
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), z_pos(0),
52 drawing_effect(NO_EFFECT)
54 tilemanager = new_tile_manager;
56 tilemanager = tile_manager;
58 reader.get("z-pos", z_pos);
59 reader.get("solid", solid);
60 reader.get("speed", speed);
62 if(solid && speed != 1) {
63 log_warning << "Speed of solid tilemap is not 1. fixing" << std::endl;
69 reader.get("width", width);
70 reader.get("height", height);
71 if(width < 0 || height < 0)
72 throw std::runtime_error("Invalid/No width/height specified in tilemap.");
74 if(!reader.get_vector("tiles", tiles))
75 throw std::runtime_error("No tiles in tilemap.");
77 if(int(tiles.size()) != width*height) {
78 throw std::runtime_error("wrong number of tiles in tilemap.");
81 // make sure all tiles are loaded
82 for(Tiles::iterator i = tiles.begin(); i != tiles.end(); ++i)
86 TileMap::TileMap(int z_pos, bool solid, size_t width, size_t height)
87 : solid(solid), speed(1), width(0), height(0), z_pos(z_pos),
88 drawing_effect(NO_EFFECT)
90 tilemanager = tile_manager;
92 resize(width, height);
103 TileMap::write(lisp::Writer& writer)
105 writer.start_list("tilemap");
107 writer.write_int("z-pos", z_pos);
109 writer.write_bool("solid", solid);
110 writer.write_float("speed", speed);
111 writer.write_int("width", width);
112 writer.write_int("height", height);
113 writer.write_int_vector("tiles", tiles);
115 writer.end_list("tilemap");
119 TileMap::update(float )
124 TileMap::draw(DrawingContext& context)
126 context.push_transform();
128 if(drawing_effect != 0)
129 context.set_drawing_effect(drawing_effect);
130 float trans_x = roundf(context.get_translation().x);
131 float trans_y = roundf(context.get_translation().y);
132 context.set_translation(Vector(trans_x * speed, trans_y * speed));
134 /** if we don't round here, we'll have a 1 pixel gap on screen sometimes.
135 * I have no idea why */
136 float start_x = roundf(context.get_translation().x);
139 float start_y = roundf(context.get_translation().y);
142 float end_x = std::min(start_x + SCREEN_WIDTH, float(width * 32));
143 float end_y = std::min(start_y + SCREEN_HEIGHT, float(height * 32));
144 start_x -= int(start_x) % 32;
145 start_y -= int(start_y) % 32;
146 int tsx = int(start_x / 32); // tilestartindex x
147 int tsy = int(start_y / 32); // tilestartindex y
151 for(pos.x = start_x, tx = tsx; pos.x < end_x; pos.x += 32, ++tx) {
152 for(pos.y = start_y, ty = tsy; pos.y < end_y; pos.y += 32, ++ty) {
153 const Tile* tile = tilemanager->get(tiles[ty*width + tx]);
155 tile->draw(context, pos, z_pos);
159 context.pop_transform();
163 TileMap::set(int newwidth, int newheight, const std::vector<unsigned int>&newt,
164 int new_z_pos, bool newsolid)
166 if(int(newt.size()) != newwidth * newheight)
167 throw std::runtime_error("Wrong tilecount count.");
172 tiles.resize(newt.size());
180 // make sure all tiles are loaded
181 for(Tiles::iterator i = tiles.begin(); i != tiles.end(); ++i)
182 tilemanager->get(*i);
186 TileMap::resize(int new_width, int new_height)
188 if(new_width < width) {
189 // remap tiles for new width
190 for(int y = 0; y < height && y < new_height; ++y) {
191 for(int x = 0; x < new_width; ++x) {
192 tiles[y * new_width + x] = tiles[y * width + x];
197 tiles.resize(new_width * new_height);
199 if(new_width > width) {
201 for(int y = std::min(height, new_height)-1; y >= 0; --y) {
202 for(int x = new_width-1; x >= 0; --x) {
204 tiles[y * new_width + x] = 0;
208 tiles[y * new_width + x] = tiles[y * width + x];
218 TileMap::get_tile(int x, int y) const
220 if(x < 0 || x >= width || y < 0 || y >= height) {
221 //log_warning << "tile outside tilemap requested" << std::endl;
222 return tilemanager->get(0);
225 return tilemanager->get(tiles[y*width + x]);
229 TileMap::get_tile_at(const Vector& pos) const
231 return get_tile(int(pos.x)/32, int(pos.y)/32);
235 TileMap::change(int x, int y, uint32_t newtile)
237 assert(x >= 0 && x < width && y >= 0 && y < height);
238 tiles[y*width + x] = newtile;
242 TileMap::change_at(const Vector& pos, uint32_t newtile)
244 change(int(pos.x)/32, int(pos.y)/32, newtile);
248 TileMap::change_all(uint32_t oldtile, uint32_t newtile)
250 for (size_t x = 0; x < get_width(); x++)
251 for (size_t y = 0; y < get_height(); y++) {
252 if (get_tile(x,y)->getID() == oldtile) change(x,y,newtile);
256 IMPLEMENT_FACTORY(TileMap, "tilemap");