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-rw-r--r--samegame.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/samegame.c b/samegame.c
index 6294a3d..c066258 100644
--- a/samegame.c
+++ b/samegame.c
@@ -49,6 +49,7 @@ struct game_params {
#define TILE_JOINDOWN 0x0400 /* used in drawstate */
#define TILE_JOINDIAG 0x0800 /* used in drawstate */
#define TILE_HASSEL 0x1000 /* used in drawstate */
+#define TILE_IMPOSSIBLE 0x2000 /* used in drawstate */
#define TILE(gs,x,y) ((gs)->tiles[(gs)->params.w*(y)+(x)])
#define COL(gs,x,y) (TILE(gs,x,y) & TILE_COLMASK)
@@ -746,12 +747,12 @@ static void game_free_drawstate(game_drawstate *ds)
static void tile_redraw(frontend *fe, game_drawstate *ds,
int x, int y, int dright, int dbelow,
- int tile, game_state *state, int bgcolour)
+ int tile, int bgcolour)
{
int outer = bgcolour, inner = outer, col = tile & TILE_COLMASK;
if (col) {
- if (state->impossible) {
+ if (tile & TILE_IMPOSSIBLE) {
outer = col;
inner = COL_IMPOSSIBLE;
} else if (tile & TILE_SELECTED) {
@@ -843,6 +844,8 @@ static void game_redraw(frontend *fe, game_drawstate *ds, game_state *oldstate,
int dbelow = (y+1 < state->params.h);
tile |= ISSEL(ui,x,y);
+ if (state->impossible)
+ tile |= TILE_IMPOSSIBLE;
if (dright && COL(state,x+1,y) == col)
tile |= TILE_JOINRIGHT;
if (dbelow && COL(state,x,y+1) == col)
@@ -861,8 +864,7 @@ static void game_redraw(frontend *fe, game_drawstate *ds, game_state *oldstate,
(flashtime > 0.0) ||
(ds->bgcolour != bgcolour) ||
(tile != ds->tiles[i])) {
- tile_redraw(fe, ds, x, y, dright, dbelow,
- tile, state, bgcolour);
+ tile_redraw(fe, ds, x, y, dright, dbelow, tile, bgcolour);
ds->tiles[i] = tile;
}
}