draw_polygon() and draw_circle() have always had a portability
[sgt/puzzles] / flip.c
diff --git a/flip.c b/flip.c
index 1d7fa17..1d7c4f5 100644 (file)
--- a/flip.c
+++ b/flip.c
@@ -347,7 +347,7 @@ static void addneighbours(tree234 *t, int w, int h, int cx, int cy,
 }
 
 static char *new_game_desc(game_params *params, random_state *rs,
-                          game_aux_info **aux, int interactive)
+                          char **aux, int interactive)
 {
     int w = params->w, h = params->h, wh = w * h;
     int i, j;
@@ -595,11 +595,6 @@ static char *new_game_desc(game_params *params, random_state *rs,
     return ret;
 }
 
-static void game_free_aux_info(game_aux_info *aux)
-{
-    assert(!"Shouldn't happen");
-}
-
 static char *validate_desc(game_params *params, char *desc)
 {
     int w = params->w, h = params->h, wh = w * h;
@@ -676,7 +671,7 @@ static void rowxor(unsigned char *row1, unsigned char *row2, int len)
 }
 
 static char *solve_game(game_state *state, game_state *currstate,
-                       game_aux_info *aux, char **error)
+                       char *aux, char **error)
 {
     int w = state->w, h = state->h, wh = w * h;
     unsigned char *equations, *solution, *shortest;
@@ -871,12 +866,12 @@ static void free_ui(game_ui *ui)
 {
 }
 
-char *encode_ui(game_ui *ui)
+static char *encode_ui(game_ui *ui)
 {
     return NULL;
 }
 
-void decode_ui(game_ui *ui, char *encoding)
+static void decode_ui(game_ui *ui, char *encoding)
 {
 }
 
@@ -962,19 +957,19 @@ static game_state *execute_move(game_state *from, char *move)
 static void game_size(game_params *params, game_drawstate *ds,
                       int *x, int *y, int expand)
 {
-    int tsx, tsy, ts;
+    double tsx, tsy, ts;
     /*
      * Each window dimension equals the tile size times one more
      * than the grid dimension (the border is half the width of the
      * tiles).
      */
-    tsx = *x / (params->w + 1);
-    tsy = *y / (params->h + 1);
+    tsx = (double)*x / ((double)params->w + 1.0);
+    tsy = (double)*y / ((double)params->h + 1);
     ts = min(tsx, tsy);
     if (expand)
-        ds->tilesize = ts;
+        ds->tilesize = (int)(ts + 0.5);
     else
-        ds->tilesize = min(ts, PREFERRED_TILE_SIZE);
+        ds->tilesize = min((int)ts, PREFERRED_TILE_SIZE);
 
     *x = TILE_SIZE * params->w + 2 * BORDER;
     *y = TILE_SIZE * params->h + 2 * BORDER;
@@ -1064,8 +1059,7 @@ static void draw_tile(frontend *fe, game_drawstate *ds,
        if (animtime < 0.5)
            colour = COL_WRONG + COL_RIGHT - colour;
 
-       draw_polygon(fe, coords, 4, TRUE, colour);
-       draw_polygon(fe, coords, 4, FALSE, COL_GRID);
+       draw_polygon(fe, coords, 4, colour, COL_GRID);
     }
 
     /*
@@ -1229,7 +1223,6 @@ const struct game thegame = {
     TRUE, game_configure, custom_params,
     validate_params,
     new_game_desc,
-    game_free_aux_info,
     validate_desc,
     new_game,
     dup_game,