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/>.
17 #ifndef HEADER_SUPERTUX_OBJECT_TILEMAP_HPP
18 #define HEADER_SUPERTUX_OBJECT_TILEMAP_HPP
20 #include "object/path_walker.hpp"
21 #include "supertux/game_object.hpp"
22 #include "supertux/script_interface.hpp"
23 #include "video/drawing_context.hpp"
35 * This class is responsible for drawing the level tiles
37 class TileMap : public GameObject,
38 public ScriptInterface
41 TileMap(const TileSet *tileset);
42 TileMap(const Reader& reader);
43 TileMap(const TileSet *tileset, std::string name, int z_pos, bool solid_,
44 size_t width_, size_t height_);
47 virtual void update(float elapsed_time);
48 virtual void draw(DrawingContext& context);
50 /** Move tilemap until at given node, then stop */
51 void goto_node(int node_no);
53 /** Start moving tilemap */
56 /** Stop tilemap at next node */
59 virtual void expose(HSQUIRRELVM vm, SQInteger table_idx);
60 virtual void unexpose(HSQUIRRELVM vm, SQInteger table_idx);
62 void set(int width, int height, const std::vector<unsigned int>& vec,
63 int z_pos, bool solid);
65 /** resizes the tilemap to a new width and height (tries to not destroy the
68 void resize(int newwidth, int newheight, int fill_id = 0);
70 size_t get_width() const
73 size_t get_height() const
76 Vector get_offset() const
79 const Vector& get_movement() const
84 void set_offset(const Vector &offset)
85 { this->offset = offset; }
87 /* Returns the position of the upper-left corner of
88 * tile (x, y) in the sector. */
89 Vector get_tile_position(int x, int y) const
90 { return offset + Vector(x,y) * 32; }
92 Rectf get_bbox() const
93 { return Rectf(get_tile_position(0, 0), get_tile_position(width, height)); }
95 Rectf get_tile_bbox(int x, int y) const
96 { return Rectf(get_tile_position(x, y), get_tile_position(x+1, y+1)); }
98 /* Returns the half-open rectangle of (x, y) tile indices
99 * that overlap the given rectangle in the sector. */
100 Rect get_tiles_overlapping(const Rectf &rect) const;
102 int get_layer() const
105 bool is_solid() const
109 * Changes Tilemap's solidity, i.e. whether to consider it when doing collision detection.
111 void set_solid(bool solid = true);
113 /// returns tile in row y and column y (of the tilemap)
114 const Tile* get_tile(int x, int y) const;
115 /// returns tile at position pos (in world coordinates)
116 const Tile* get_tile_at(const Vector& pos) const;
117 /// returns tile in row y and column y (of the tilemap)
118 uint32_t get_tile_id(int x, int y) const;
119 /// returns tile at position pos (in world coordinates)
120 uint32_t get_tile_id_at(const Vector& pos) const;
122 void change(int x, int y, uint32_t newtile);
124 void change_at(const Vector& pos, uint32_t newtile);
126 /// changes all tiles with the given ID
127 void change_all(uint32_t oldtile, uint32_t newtile);
129 void set_drawing_effect(DrawingEffect effect)
131 drawing_effect = effect;
134 DrawingEffect get_drawing_effect()
136 return drawing_effect;
140 * Start fading the tilemap to opacity given by @c alpha.
141 * Destination opacity will be reached after @c seconds seconds. Also influences solidity.
143 void fade(float alpha, float seconds = 0);
146 * Instantly switch tilemap's opacity to @c alpha. Also influences solidity.
148 void set_alpha(float alpha);
151 * Return tilemap's opacity. Note that while the tilemap is fading in or out, this will return the current alpha value, not the target alpha.
156 const TileSet *tileset;
158 typedef std::vector<uint32_t> Tiles;
167 Vector movement; /**< The movement that happened last frame */
169 DrawingEffect drawing_effect;
170 float alpha; /**< requested tilemap opacity */
171 float current_alpha; /**< current tilemap opacity */
172 float remaining_fade_time; /**< seconds until requested tilemap opacity is reached */
174 std::auto_ptr<Path> path;
175 std::auto_ptr<PathWalker> walker;
177 DrawingContext::Target draw_target; /**< set to LIGHTMAP to draw to lightmap */
180 TileMap(const TileMap&);
181 TileMap& operator=(const TileMap&);
184 #endif /*SUPERTUX_TILEMAP_H*/