2 // Copyright (C) 2006 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/>.
19 #include "object/tilemap.hpp"
20 #include "scripting/squirrel_util.hpp"
21 #include "scripting/tilemap.hpp"
22 #include "supertux/main.hpp"
23 #include "supertux/object_factory.hpp"
24 #include "supertux/tile_manager.hpp"
25 #include "supertux/tile_set.hpp"
26 #include "util/reader.hpp"
28 TileMap::TileMap(const TileSet *new_tileset) :
38 movement(Vector(0,0)),
39 drawing_effect(NO_EFFECT),
42 remaining_fade_time(0),
43 draw_target(DrawingContext::NORMAL)
47 TileMap::TileMap(const Reader& reader) :
56 movement(Vector(0,0)),
57 drawing_effect(NO_EFFECT),
60 remaining_fade_time(0),
61 draw_target(DrawingContext::NORMAL)
63 tileset = current_tileset;
64 assert(tileset != NULL);
66 reader.get("name", name);
67 reader.get("z-pos", z_pos);
68 reader.get("solid", solid);
69 reader.get("speed", speed_x);
70 reader.get("speed-y", speed_y);
72 if(solid && ((speed_x != 1) || (speed_y != 1))) {
73 log_warning << "Speed of solid tilemap is not 1. fixing" << std::endl;
78 const lisp::Lisp* pathLisp = reader.get_lisp("path");
80 path.reset(new Path());
81 path->read(*pathLisp);
82 walker.reset(new PathWalker(path.get(), /*running*/false));
83 Vector v = path->get_base();
88 std::string draw_target_s = "normal";
89 reader.get("draw-target", draw_target_s);
90 if (draw_target_s == "normal") draw_target = DrawingContext::NORMAL;
91 if (draw_target_s == "lightmap") draw_target = DrawingContext::LIGHTMAP;
93 if (reader.get("alpha", alpha)) {
94 current_alpha = alpha;
97 reader.get("width", width);
98 reader.get("height", height);
99 if(width < 0 || height < 0)
100 throw std::runtime_error("Invalid/No width/height specified in tilemap.");
102 if(!reader.get("tiles", tiles))
103 throw std::runtime_error("No tiles in tilemap.");
105 if(int(tiles.size()) != width*height) {
106 throw std::runtime_error("wrong number of tiles in tilemap.");
111 // make sure all tiles used on the tilemap are loaded and tilemap isn't empty
112 for(Tiles::iterator i = tiles.begin(); i != tiles.end(); ++i) {
121 log_info << "Tilemap '" << name << "', z-pos '" << z_pos << "' is empty." << std::endl;
124 TileMap::TileMap(const TileSet *new_tileset, std::string name, int z_pos,
125 bool solid, size_t width, size_t height) :
126 tileset(new_tileset),
135 movement(Vector(0,0)),
136 drawing_effect(NO_EFFECT),
139 remaining_fade_time(0),
140 draw_target(DrawingContext::NORMAL)
144 resize(width, height);
152 TileMap::update(float elapsed_time)
154 // handle tilemap fading
155 if (current_alpha != alpha) {
156 remaining_fade_time = std::max(0.0f, remaining_fade_time - elapsed_time);
157 if (remaining_fade_time == 0.0f) {
158 current_alpha = alpha;
160 float amt = (alpha - current_alpha) / (remaining_fade_time / elapsed_time);
161 if (amt > 0) current_alpha = std::min(current_alpha + amt, alpha);
162 if (amt < 0) current_alpha = std::max(current_alpha + amt, alpha);
164 if ((alpha < 0.25) && (current_alpha < 0.25)) set_solid(false);
165 if ((alpha > 0.75) && (current_alpha > 0.75)) set_solid(true);
168 movement = Vector(0,0);
169 // if we have a path to follow, follow it
171 Vector v = walker->advance(elapsed_time);
172 movement = Vector(v.x-get_x_offset(), std::max(0.0f,v.y-get_y_offset()));
179 TileMap::draw(DrawingContext& context)
181 // skip draw if current opacity is set to 0.0
182 if (current_alpha == 0.0) return;
184 context.push_transform();
185 context.push_target();
186 context.set_target(draw_target);
188 if(drawing_effect != 0) context.set_drawing_effect(drawing_effect);
189 if(current_alpha != 1.0) context.set_alpha(current_alpha);
191 float trans_x = roundf(context.get_translation().x);
192 float trans_y = roundf(context.get_translation().y);
193 context.set_translation(Vector(int(trans_x * speed_x),
194 int(trans_y * speed_y)));
196 /** if we don't round here, we'll have a 1 pixel gap on screen sometimes.
197 * I have no idea why */
198 float start_x = int((roundf(context.get_translation().x) - roundf(x_offset)) / 32) * 32 + roundf(x_offset);
199 float start_y = int((roundf(context.get_translation().y) - roundf(y_offset)) / 32) * 32 + roundf(y_offset);
200 float end_x = std::min(start_x + SCREEN_WIDTH + 32, float(width * 32 + roundf(x_offset)));
201 float end_y = std::min(start_y + SCREEN_HEIGHT + 32, float(height * 32 + roundf(y_offset)));
202 int tsx = int((start_x - roundf(x_offset)) / 32); // tilestartindex x
203 int tsy = int((start_y - roundf(y_offset)) / 32); // tilestartindex y
207 for(pos.x = start_x, tx = tsx; pos.x < end_x; pos.x += 32, ++tx) {
208 for(pos.y = start_y, ty = tsy; pos.y < end_y; pos.y += 32, ++ty) {
209 if ((tx < 0) || (ty < 0)) continue;
210 const Tile* tile = tileset->get(tiles[ty*width + tx]);
212 tile->draw(context, pos, z_pos);
216 context.pop_target();
217 context.pop_transform();
221 TileMap::goto_node(int node_no)
223 if (!walker.get()) return;
224 walker->goto_node(node_no);
228 TileMap::start_moving()
230 if (!walker.get()) return;
231 walker->start_moving();
235 TileMap::stop_moving()
237 if (!walker.get()) return;
238 walker->stop_moving();
242 TileMap::expose(HSQUIRRELVM vm, SQInteger table_idx)
244 if (name.empty()) return;
245 Scripting::TileMap* interface = new Scripting::TileMap(this);
246 expose_object(vm, table_idx, interface, name, true);
250 TileMap::unexpose(HSQUIRRELVM vm, SQInteger table_idx)
252 if (name.empty()) return;
253 Scripting::unexpose_object(vm, table_idx, name);
257 TileMap::set(int newwidth, int newheight, const std::vector<unsigned int>&newt,
258 int new_z_pos, bool newsolid)
260 if(int(newt.size()) != newwidth * newheight)
261 throw std::runtime_error("Wrong tilecount count.");
266 tiles.resize(newt.size());
272 // make sure all tiles are loaded
273 for(Tiles::iterator i = tiles.begin(); i != tiles.end(); ++i)
278 TileMap::resize(int new_width, int new_height, int fill_id)
280 if(new_width < width) {
281 // remap tiles for new width
282 for(int y = 0; y < height && y < new_height; ++y) {
283 for(int x = 0; x < new_width; ++x) {
284 tiles[y * new_width + x] = tiles[y * width + x];
289 tiles.resize(new_width * new_height, fill_id);
291 if(new_width > width) {
293 for(int y = std::min(height, new_height)-1; y >= 0; --y) {
294 for(int x = new_width-1; x >= 0; --x) {
296 tiles[y * new_width + x] = fill_id;
300 tiles[y * new_width + x] = tiles[y * width + x];
310 TileMap::set_solid(bool solid)
316 TileMap::get_tile_id(int x, int y) const
318 if(x < 0 || x >= width || y < 0 || y >= height) {
319 //log_warning << "tile outside tilemap requested" << std::endl;
323 return tiles[y*width + x];
327 TileMap::get_tile(int x, int y) const
329 uint32_t id = get_tile_id(x, y);
330 return tileset->get(id);
334 TileMap::get_tile_id_at(const Vector& pos) const
336 return get_tile_id(int(pos.x - x_offset)/32, int(pos.y - y_offset)/32);
340 TileMap::get_tile_at(const Vector& pos) const
342 uint32_t id = get_tile_id_at(pos);
343 return tileset->get(id);
347 TileMap::change(int x, int y, uint32_t newtile)
349 assert(x >= 0 && x < width && y >= 0 && y < height);
350 tiles[y*width + x] = newtile;
354 TileMap::change_at(const Vector& pos, uint32_t newtile)
356 change(int(pos.x - x_offset)/32, int(pos.y - y_offset)/32, newtile);
360 TileMap::change_all(uint32_t oldtile, uint32_t newtile)
362 for (size_t x = 0; x < get_width(); x++) {
363 for (size_t y = 0; y < get_height(); y++) {
364 if (get_tile_id(x,y) != oldtile)
373 TileMap::fade(float alpha, float seconds)
376 this->remaining_fade_time = seconds;
380 TileMap::set_alpha(float alpha)
383 this->current_alpha = alpha;
384 this->remaining_fade_time = 0;
385 if (current_alpha < 0.25) set_solid(false);
386 if (current_alpha > 0.75) set_solid(true);
392 return this->current_alpha;
395 IMPLEMENT_FACTORY(TileMap, "tilemap");