background map, how do i get a specific tilenumber

[Tomdev]

hey everyone,
i want to get a tilenumber out of a bgmap, i mean something like this:

Code: Select all

int y = bgmap[1]

does someone know how to do this?

[dovoto]

Code: Select all

int bg = bgInit( ... ); 

u16 *map = bgGetMapPtr(bg);

int tile = map[x + y * bg_width_in_tiles];

background api documentation:
http://libnds.devkitpro.orga00101.html# ... 370e59b99c