+class Tile
+{
+public:
+ Tile();
+ ~Tile();
+
+ /// parses the tile and returns it's id number
+ int read(LispReader& reader);
+
+ int id;
+
+ std::vector<Surface*> images;
+ std::vector<Surface*> editor_images;
+
+ /// bitset for tileflags
+ enum {
+ /** solid tile that is indestructable by Tux */
+ SOLID = 0x0001,
+ /** uni-directional solid tile */
+ UNISOLID = 0x0002,
+ /** a brick that can be destroyed by jumping under it */
+ BRICK = 0x0004,
+ /** an ice brick that makes tux sliding more than usual */
+ ICE = 0x0008,
+ /** a water tile in which tux starts to swim */
+ WATER = 0x0010,
+ /** a tile that hurts the player if he touches it */
+ SPIKE = 0x0020,
+ /** Bonusbox, content is stored in \a data */
+ FULLBOX = 0x0040,
+ /** Tile is a coin */
+ COIN = 0x0080,
+ /** the level should be finished when touching a goaltile.
+ * if data is 0 then the endsequence should be triggered, if data is 1
+ * then we can finish the level instantly.
+ */
+ GOAL = 0x0100
+ };
+
+ /** tile attributes */
+ Uint32 attributes;
+
+ /** General purpose data attached to a tile (content of a box, type of coin)*/
+ int data;
+
+ /** Id of the tile that is going to replace this tile once it has
+ been collected or jumped at */
+ int next_tile;
+
+ int anim_speed;
+
+ /** Draw a tile on the screen: */
+ static void draw(const Vector& pos, unsigned int c, Uint8 alpha = 255);
+
+ /// returns the width of the tile in pixels
+ int getWidth() const
+ {
+ if(!images.size())
+ return 0;
+ return images[0]->w;
+ }
+
+ /// returns the height of the tiles in pixels
+ int getHeight() const
+ {
+ if(!images.size())
+ return 0;
+ return images[0]->h;
+ }
+};
+
+struct TileGroup