X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/puzzles/blobdiff_plain/750037d76de7c1ab5d46aaf8a712f32599e7d563..d3fc6146c0fd38562c28eac50bc932b2992b97a5:/lightup.c

diff --git a/lightup.c b/lightup.c
index 14c6974..97c0ec8 100644
--- a/lightup.c
+++ b/lightup.c
@@ -1705,6 +1705,11 @@ done:
     return move;
 }
 
+static int game_can_format_as_text_now(game_params *params)
+{
+    return TRUE;
+}
+
 /* 'borrowed' from slant.c, mainly. I could have printed it one
  * character per cell (like debug_state) but that comes out tiny.
  * 'L' is used for 'light here' because 'O' looks too much like '0'
@@ -2077,10 +2082,19 @@ static void tile_redraw(drawing *dr, game_drawstate *ds, game_state *state,
             int lcol = (ds_flags & DF_OVERLAP) ? COL_ERROR : COL_LIGHT;
             draw_circle(dr, dx + TILE_SIZE/2, dy + TILE_SIZE/2, TILE_RADIUS,
                         lcol, COL_BLACK);
-        } else if (ds_flags & DF_IMPOSSIBLE) {
-            int rlen = TILE_SIZE / 4;
-            draw_rect(dr, dx + TILE_SIZE/2 - rlen/2, dy + TILE_SIZE/2 - rlen/2,
-                      rlen, rlen, COL_BLACK);
+        } else if ((ds_flags & DF_IMPOSSIBLE)) {
+            static int draw_blobs_when_lit = -1;
+            if (draw_blobs_when_lit < 0) {
+		char *env = getenv("LIGHTUP_LIT_BLOBS");
+		draw_blobs_when_lit = (!env || (env[0] == 'y' ||
+                                                env[0] == 'Y'));
+            }
+            if (!(ds_flags & DF_LIT) || draw_blobs_when_lit) {
+                int rlen = TILE_SIZE / 4;
+                draw_rect(dr, dx + TILE_SIZE/2 - rlen/2,
+                          dy + TILE_SIZE/2 - rlen/2,
+                          rlen, rlen, COL_BLACK);
+            }
         }
     }
 
@@ -2157,8 +2171,8 @@ static void game_print_size(game_params *params, float *x, float *y)
      * I'll use 6mm squares by default.
      */
     game_compute_size(params, 600, &pw, &ph);
-    *x = pw / 100.0;
-    *y = ph / 100.0;
+    *x = pw / 100.0F;
+    *y = ph / 100.0F;
 }
 
 static void game_print(drawing *dr, game_state *state, int tilesize)
@@ -2231,7 +2245,7 @@ const struct game thegame = {
     dup_game,
     free_game,
     TRUE, solve_game,
-    TRUE, game_text_format,
+    TRUE, game_can_format_as_text_now, game_text_format,
     new_ui,
     free_ui,
     encode_ui,