56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
/* vim:expandtab:ts=2 sw=2:
|
|
*/
|
|
/* Grafx2 - The Ultimate 256-color bitmap paint program
|
|
|
|
Copyright 2011 Yves Rizoud
|
|
Copyright 2011 Adrien Destugues
|
|
|
|
Grafx2 is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; version 2
|
|
of the License.
|
|
|
|
Grafx2 is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with Grafx2; if not, see <http://www.gnu.org/licenses/>
|
|
*/
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
///@file tiles.h
|
|
/// Functions for tilemap effect
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
int compare_tiles(word x1, word y1, word x2, word y2);
|
|
|
|
/// Create or update a tilemap based on current screen pixels.
|
|
void Tilemap_update(void);
|
|
|
|
void Tilemap_draw(word x, word y, byte color);
|
|
|
|
void Swap_tilemap(void);
|
|
|
|
void Disable_main_tilemap(void);
|
|
|
|
void Disable_spare_tilemap(void);
|
|
|
|
#define TILE_FOR_COORDS(x,y) (((y)-Snap_offset_Y)/Snap_height*Main_tilemap_width+((x)-Snap_offset_X)/Snap_width)
|
|
#define TILE_AT(x,y) (y)*Main_tilemap_width+(x)
|
|
#define TILE_X(t) (((t)%Main_tilemap_width)*Snap_width+Snap_offset_X)
|
|
#define TILE_Y(t) (((t)/Main_tilemap_width)*Snap_height+Snap_offset_Y)
|
|
|
|
/// Tilemap for the main screen
|
|
|
|
extern T_Tile * Main_tilemap;
|
|
|
|
extern short Main_tilemap_width;
|
|
extern short Main_tilemap_height;
|
|
|
|
extern T_Tile * Spare_tilemap;
|
|
|
|
extern short Spare_tilemap_width;
|
|
extern short Spare_tilemap_height;
|