void kbd_set_color_from_pos(u16 row, u16 key_in_row, u8 color) {
u16 x, y;
u16 x_start = 0;
/* Calculate the map number and then the pointer to the layout */
int mapNum = caps | (shift << 1);
u16* map = (u16*)(BG_MAP_RAM(4 + mapNum) + 13 * 32);
/* Calculate the map offset of the key that was depressed. */
for (y = 0; y < key_in_row; y++) {
x_start += kbdrows[row][y].width / 8;
}
/* Now update the tile for the key to change its colour. */
for (y = 0; y < 2; y++) {
for (x = 0; x < (kbdrows[row][key_in_row].width / 8); x++) {
/*
* There's two rows per key, and each row is 32 half-words
* wide. The key then starts at some x offset, and then the
* key is composed of some number of columns. Finally, we
* skip the first tile, as it's the black, background tile
*
* Knowing that, the following calculation should be self-
* explanatory, right?
*/
int idx = (row * 2 + y) * 32 + x + x_start + 1;
map[idx] = (map[idx] & 0x0FFF) | (color << 12);
}
}
}
void kbd_init() {
u16 palette[4];
nds_load_file("/NetHack/kbd.bin", (void *)BG_TILE_RAM(0));
nds_load_file("/NetHack/kbd.map", (void *)BG_MAP_RAM(4));
nds_load_palette("/NetHack/kbd.pal", palette);
BG_PALETTE[0] = RGB15(0, 0, 0); /* Regular background */
BG_PALETTE[16] = RGB15(0, 0, 0);
BG_PALETTE[1] = palette[0]; /* Key background, normal */
BG_PALETTE[17] = palette[1]; /* Key background, selected */
BG_PALETTE[2] = palette[2]; /* Key text, normal */
BG_PALETTE[18] = palette[3]; /* Key text, selected */
}
//-------------------------------------------------------------------------------------------------
Map::Map(Graphics::BackgroundMemory* backgroundMemory, int index) : index(index), size(32, 32), BackgroundMemory(backgroundMemory)
{
sassert(backgroundMemory, "Error: Background memory cannot be null");
location = BackgroundMemory->IsMain() ? BG_MAP_RAM(index) : BG_MAP_RAM_SUB(index);
Clear();
}
int width_in_tiles;
int height_in_tiles;
int tile_width_in_tiles, tile_height_in_tiles;
int tile_width_in_px, tile_height_in_px;
/* Text-based graphics variables */
struct font *map_font;
struct ppm *text_img;
int font_char_w;
int font_char_h;
/* General rendering variables */
u16 *tile_ram = (u16 *)BG_TILE_RAM(6);
u16 *map_ram = (u16 *)BG_MAP_RAM(8);
rectangle_t map_dimensions = {
.start = { .x = 0, .y = 0 },
.dims = { .width = COLNO, .height = ROWNO }
};
int pet_count;
/*
* Initialize our tile cache.
*/
void nds_init_tile_cache()
{
int i;
