chiark / gitweb /
Allow marking of clues as exhausted in Unequal.
[sgt-puzzles.git] / fifteen.c
index 6f75514f069c74efc054f184ccce644c2ccba631..bdb88042a2e4c325faf8e2d65794368be80b434e 100644 (file)
--- a/fifteen.c
+++ b/fifteen.c
@@ -42,7 +42,6 @@ struct game_state {
     int *tiles;
     int gap_pos;
     int completed;
-    int just_used_solve;              /* used to suppress undo animation */
     int used_solve;                   /* used to suppress completion flash */
     int movecount;
 };
@@ -58,6 +57,11 @@ static game_params *default_params(void)
 
 static int game_fetch_preset(int i, char **name, game_params **params)
 {
+    if (i == 0) {
+       *params = default_params();
+       *name = dupstr("4x4");
+       return TRUE;
+    }
     return FALSE;
 }
 
@@ -66,7 +70,7 @@ static void free_params(game_params *params)
     sfree(params);
 }
 
-static game_params *dup_params(game_params *params)
+static game_params *dup_params(const game_params *params)
 {
     game_params *ret = snew(game_params);
     *ret = *params;                   /* structure copy */
@@ -76,14 +80,14 @@ static game_params *dup_params(game_params *params)
 static void decode_params(game_params *ret, char const *string)
 {
     ret->w = ret->h = atoi(string);
-    while (*string && isdigit(*string)) string++;
+    while (*string && isdigit((unsigned char)*string)) string++;
     if (*string == 'x') {
         string++;
         ret->h = atoi(string);
     }
 }
 
-static char *encode_params(game_params *params, int full)
+static char *encode_params(const game_params *params, int full)
 {
     char data[256];
 
@@ -92,7 +96,7 @@ static char *encode_params(game_params *params, int full)
     return dupstr(data);
 }
 
-static config_item *game_configure(game_params *params)
+static config_item *game_configure(const game_params *params)
 {
     config_item *ret;
     char buf[80];
@@ -119,7 +123,7 @@ static config_item *game_configure(game_params *params)
     return ret;
 }
 
-static game_params *custom_params(config_item *cfg)
+static game_params *custom_params(const config_item *cfg)
 {
     game_params *ret = snew(game_params);
 
@@ -129,7 +133,7 @@ static game_params *custom_params(config_item *cfg)
     return ret;
 }
 
-static char *validate_params(game_params *params)
+static char *validate_params(const game_params *params, int full)
 {
     if (params->w < 2 || params->h < 2)
        return "Width and height must both be at least two";
@@ -151,7 +155,7 @@ static int perm_parity(int *perm, int n)
     return ret;
 }
 
-static char *new_game_desc(game_params *params, random_state *rs,
+static char *new_game_desc(const game_params *params, random_state *rs,
                           char **aux, int interactive)
 {
     int gap, n, i, x;
@@ -267,9 +271,10 @@ static char *new_game_desc(game_params *params, random_state *rs,
     return ret;
 }
 
-static char *validate_desc(game_params *params, char *desc)
+static char *validate_desc(const game_params *params, const char *desc)
 {
-    char *p, *err;
+    const char *p;
+    char *err;
     int i, area;
     int *used;
 
@@ -282,7 +287,7 @@ static char *validate_desc(game_params *params, char *desc)
        used[i] = FALSE;
 
     for (i = 0; i < area; i++) {
-       char *q = p;
+       const char *q = p;
        int n;
 
        if (*p < '0' || *p > '9') {
@@ -318,11 +323,12 @@ static char *validate_desc(game_params *params, char *desc)
     return err;
 }
 
-static game_state *new_game(midend_data *me, game_params *params, char *desc)
+static game_state *new_game(midend *me, const game_params *params,
+                            const char *desc)
 {
     game_state *state = snew(game_state);
     int i;
-    char *p;
+    const char *p;
 
     state->w = params->w;
     state->h = params->h;
@@ -345,12 +351,12 @@ static game_state *new_game(midend_data *me, game_params *params, char *desc)
     assert(state->tiles[state->gap_pos] == 0);
 
     state->completed = state->movecount = 0;
-    state->used_solve = state->just_used_solve = FALSE;
+    state->used_solve = FALSE;
 
     return state;
 }
 
-static game_state *dup_game(game_state *state)
+static game_state *dup_game(const game_state *state)
 {
     game_state *ret = snew(game_state);
 
@@ -363,7 +369,6 @@ static game_state *dup_game(game_state *state)
     ret->completed = state->completed;
     ret->movecount = state->movecount;
     ret->used_solve = state->used_solve;
-    ret->just_used_solve = state->just_used_solve;
 
     return ret;
 }
@@ -374,13 +379,18 @@ static void free_game(game_state *state)
     sfree(state);
 }
 
-static char *solve_game(game_state *state, game_state *currstate,
-                       char *aux, char **error)
+static char *solve_game(const game_state *state, const game_state *currstate,
+                        const char *aux, char **error)
 {
     return dupstr("S");
 }
 
-static char *game_text_format(game_state *state)
+static int game_can_format_as_text_now(const game_params *params)
+{
+    return TRUE;
+}
+
+static char *game_text_format(const game_state *state)
 {
     char *ret, *p, buf[80];
     int x, y, col, maxlen;
@@ -422,7 +432,7 @@ static char *game_text_format(game_state *state)
     return ret;
 }
 
-static game_ui *new_ui(game_state *state)
+static game_ui *new_ui(const game_state *state)
 {
     return NULL;
 }
@@ -431,17 +441,17 @@ static void free_ui(game_ui *ui)
 {
 }
 
-static char *encode_ui(game_ui *ui)
+static char *encode_ui(const game_ui *ui)
 {
     return NULL;
 }
 
-static void decode_ui(game_ui *ui, char *encoding)
+static void decode_ui(game_ui *ui, const char *encoding)
 {
 }
 
-static void game_changed_state(game_ui *ui, game_state *oldstate,
-                               game_state *newstate)
+static void game_changed_state(game_ui *ui, const game_state *oldstate,
+                               const game_state *newstate)
 {
 }
 
@@ -452,8 +462,9 @@ struct game_drawstate {
     int tilesize;
 };
 
-static char *interpret_move(game_state *state, game_ui *ui, game_drawstate *ds,
-                           int x, int y, int button)
+static char *interpret_move(const game_state *state, game_ui *ui,
+                            const game_drawstate *ds,
+                            int x, int y, int button)
 {
     int gx, gy, dx, dy;
     char buf[80];
@@ -489,7 +500,7 @@ static char *interpret_move(game_state *state, game_ui *ui, game_drawstate *ds,
     return dupstr(buf);
 }
 
-static game_state *execute_move(game_state *from, char *move)
+static game_state *execute_move(const game_state *from, const char *move)
 {
     int gx, gy, dx, dy, ux, uy, up, p;
     game_state *ret;
@@ -509,7 +520,7 @@ static game_state *execute_move(game_state *from, char *move)
        for (i = 0; i < ret->n; i++)
            ret->tiles[i] = (i+1) % ret->n;
        ret->gap_pos = ret->n-1;
-       ret->used_solve = ret->just_used_solve = TRUE;
+       ret->used_solve = TRUE;
        ret->completed = ret->movecount = 1;
 
        return ret;
@@ -533,7 +544,6 @@ static game_state *execute_move(game_state *from, char *move)
     up = C(from, ux, uy);
 
     ret = dup_game(from);
-    ret->just_used_solve = FALSE;      /* zero this in a hurry */
 
     ret->gap_pos = C(from, dx, dy);
     assert(ret->gap_pos >= 0 && ret->gap_pos < ret->n);
@@ -563,59 +573,38 @@ static game_state *execute_move(game_state *from, char *move)
  * Drawing routines.
  */
 
-static void game_size(game_params *params, game_drawstate *ds,
-                      int *x, int *y, int expand)
+static void game_compute_size(const game_params *params, int tilesize,
+                              int *x, int *y)
 {
-    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 = (double)*x / ((double)params->w + 1.0);
-    tsy = (double)*y / ((double)params->h + 1.0);
-    ts = min(tsx, tsy);
-    if (expand)
-        ds->tilesize = (int)(ts + 0.5);
-    else
-        ds->tilesize = min((int)ts, PREFERRED_TILE_SIZE);
+    /* Ick: fake up `ds->tilesize' for macro expansion purposes */
+    struct { int tilesize; } ads, *ds = &ads;
+    ads.tilesize = tilesize;
 
     *x = TILE_SIZE * params->w + 2 * BORDER;
     *y = TILE_SIZE * params->h + 2 * BORDER;
 }
 
-static float *game_colours(frontend *fe, game_state *state, int *ncolours)
+static void game_set_size(drawing *dr, game_drawstate *ds,
+                          const game_params *params, int tilesize)
+{
+    ds->tilesize = tilesize;
+}
+
+static float *game_colours(frontend *fe, int *ncolours)
 {
     float *ret = snewn(3 * NCOLOURS, float);
     int i;
-    float max;
-
-    frontend_default_colour(fe, &ret[COL_BACKGROUND * 3]);
 
-    /*
-     * Drop the background colour so that the highlight is
-     * noticeably brighter than it while still being under 1.
-     */
-    max = ret[COL_BACKGROUND*3];
-    for (i = 1; i < 3; i++)
-        if (ret[COL_BACKGROUND*3+i] > max)
-            max = ret[COL_BACKGROUND*3+i];
-    if (max * 1.2F > 1.0F) {
-        for (i = 0; i < 3; i++)
-            ret[COL_BACKGROUND*3+i] /= (max * 1.2F);
-    }
+    game_mkhighlight(fe, ret, COL_BACKGROUND, COL_HIGHLIGHT, COL_LOWLIGHT);
 
-    for (i = 0; i < 3; i++) {
-        ret[COL_HIGHLIGHT * 3 + i] = ret[COL_BACKGROUND * 3 + i] * 1.2F;
-        ret[COL_LOWLIGHT * 3 + i] = ret[COL_BACKGROUND * 3 + i] * 0.8F;
+    for (i = 0; i < 3; i++)
         ret[COL_TEXT * 3 + i] = 0.0;
-    }
 
     *ncolours = NCOLOURS;
     return ret;
 }
 
-static game_drawstate *game_new_drawstate(game_state *state)
+static game_drawstate *game_new_drawstate(drawing *dr, const game_state *state)
 {
     struct game_drawstate *ds = snew(struct game_drawstate);
     int i;
@@ -632,17 +621,17 @@ static game_drawstate *game_new_drawstate(game_state *state)
     return ds;
 }
 
-static void game_free_drawstate(game_drawstate *ds)
+static void game_free_drawstate(drawing *dr, game_drawstate *ds)
 {
     sfree(ds->tiles);
     sfree(ds);
 }
 
-static void draw_tile(frontend *fe, game_drawstate *ds, game_state *state,
+static void draw_tile(drawing *dr, game_drawstate *ds, const game_state *state,
                       int x, int y, int tile, int flash_colour)
 {
     if (tile == 0) {
-        draw_rect(fe, x, y, TILE_SIZE, TILE_SIZE,
+        draw_rect(dr, x, y, TILE_SIZE, TILE_SIZE,
                   flash_colour);
     } else {
         int coords[6];
@@ -654,27 +643,28 @@ static void draw_tile(frontend *fe, game_drawstate *ds, game_state *state,
         coords[3] = y;
         coords[4] = x;
         coords[5] = y + TILE_SIZE - 1;
-        draw_polygon(fe, coords, 3, COL_LOWLIGHT, COL_LOWLIGHT);
+        draw_polygon(dr, coords, 3, COL_LOWLIGHT, COL_LOWLIGHT);
 
         coords[0] = x;
         coords[1] = y;
-        draw_polygon(fe, coords, 3, COL_HIGHLIGHT, COL_HIGHLIGHT);
+        draw_polygon(dr, coords, 3, COL_HIGHLIGHT, COL_HIGHLIGHT);
 
-        draw_rect(fe, x + HIGHLIGHT_WIDTH, y + HIGHLIGHT_WIDTH,
+        draw_rect(dr, x + HIGHLIGHT_WIDTH, y + HIGHLIGHT_WIDTH,
                   TILE_SIZE - 2*HIGHLIGHT_WIDTH, TILE_SIZE - 2*HIGHLIGHT_WIDTH,
                   flash_colour);
 
         sprintf(str, "%d", tile);
-        draw_text(fe, x + TILE_SIZE/2, y + TILE_SIZE/2,
+        draw_text(dr, x + TILE_SIZE/2, y + TILE_SIZE/2,
                   FONT_VARIABLE, TILE_SIZE/3, ALIGN_VCENTRE | ALIGN_HCENTRE,
                   COL_TEXT, str);
     }
-    draw_update(fe, x, y, TILE_SIZE, TILE_SIZE);
+    draw_update(dr, x, y, TILE_SIZE, TILE_SIZE);
 }
 
-static void game_redraw(frontend *fe, game_drawstate *ds, game_state *oldstate,
-                 game_state *state, int dir, game_ui *ui,
-                 float animtime, float flashtime)
+static void game_redraw(drawing *dr, game_drawstate *ds,
+                        const game_state *oldstate, const game_state *state,
+                        int dir, const game_ui *ui,
+                        float animtime, float flashtime)
 {
     int i, pass, bgcolour;
 
@@ -687,10 +677,10 @@ static void game_redraw(frontend *fe, game_drawstate *ds, game_state *oldstate,
     if (!ds->started) {
         int coords[10];
 
-       draw_rect(fe, 0, 0,
+       draw_rect(dr, 0, 0,
                  TILE_SIZE * state->w + 2 * BORDER,
                  TILE_SIZE * state->h + 2 * BORDER, COL_BACKGROUND);
-       draw_update(fe, 0, 0,
+       draw_update(dr, 0, 0,
                    TILE_SIZE * state->w + 2 * BORDER,
                    TILE_SIZE * state->h + 2 * BORDER);
 
@@ -707,11 +697,11 @@ static void game_redraw(frontend *fe, game_drawstate *ds, game_state *oldstate,
         coords[9] = COORD(state->h) + HIGHLIGHT_WIDTH - 1;
         coords[6] = coords[8] + TILE_SIZE;
         coords[7] = coords[9] - TILE_SIZE;
-        draw_polygon(fe, coords, 5, COL_HIGHLIGHT, COL_HIGHLIGHT);
+        draw_polygon(dr, coords, 5, COL_HIGHLIGHT, COL_HIGHLIGHT);
 
         coords[1] = COORD(0) - HIGHLIGHT_WIDTH;
         coords[0] = COORD(0) - HIGHLIGHT_WIDTH;
-        draw_polygon(fe, coords, 5, COL_LOWLIGHT, COL_LOWLIGHT);
+        draw_polygon(dr, coords, 5, COL_LOWLIGHT, COL_LOWLIGHT);
 
         ds->started = TRUE;
     }
@@ -796,7 +786,7 @@ static void game_redraw(frontend *fe, game_drawstate *ds, game_state *oldstate,
                     y = COORD(Y(state, i));
                 }
 
-                draw_tile(fe, ds, state, x, y, t, bgcolour);
+                draw_tile(dr, ds, state, x, y, t, bgcolour);
             }
             ds->tiles[i] = t0;
         }
@@ -824,22 +814,18 @@ static void game_redraw(frontend *fe, game_drawstate *ds, game_state *oldstate,
                    (state->completed ? "COMPLETED! " : ""),
                    (state->completed ? state->completed : state->movecount));
 
-       status_bar(fe, statusbuf);
+       status_bar(dr, statusbuf);
     }
 }
 
-static float game_anim_length(game_state *oldstate,
-                             game_state *newstate, int dir, game_ui *ui)
+static float game_anim_length(const game_state *oldstate,
+                              const game_state *newstate, int dir, game_ui *ui)
 {
-    if ((dir > 0 && newstate->just_used_solve) ||
-       (dir < 0 && oldstate->just_used_solve))
-       return 0.0F;
-    else
-       return ANIM_TIME;
+    return ANIM_TIME;
 }
 
-static float game_flash_length(game_state *oldstate,
-                              game_state *newstate, int dir, game_ui *ui)
+static float game_flash_length(const game_state *oldstate,
+                               const game_state *newstate, int dir, game_ui *ui)
 {
     if (!oldstate->completed && newstate->completed &&
        !oldstate->used_solve && !newstate->used_solve)
@@ -848,22 +834,30 @@ static float game_flash_length(game_state *oldstate,
         return 0.0F;
 }
 
-static int game_wants_statusbar(void)
+static int game_status(const game_state *state)
 {
-    return TRUE;
+    return state->completed ? +1 : 0;
 }
 
-static int game_timing_state(game_state *state)
+static int game_timing_state(const game_state *state, game_ui *ui)
 {
     return TRUE;
 }
 
+static void game_print_size(const game_params *params, float *x, float *y)
+{
+}
+
+static void game_print(drawing *dr, const game_state *state, int tilesize)
+{
+}
+
 #ifdef COMBINED
 #define thegame fifteen
 #endif
 
 const struct game thegame = {
-    "Fifteen", "games.fifteen",
+    "Fifteen", "games.fifteen", "fifteen",
     default_params,
     game_fetch_preset,
     decode_params,
@@ -878,7 +872,7 @@ 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,
@@ -886,14 +880,16 @@ const struct game thegame = {
     game_changed_state,
     interpret_move,
     execute_move,
-    game_size,
+    PREFERRED_TILE_SIZE, game_compute_size, game_set_size,
     game_colours,
     game_new_drawstate,
     game_free_drawstate,
     game_redraw,
     game_anim_length,
     game_flash_length,
-    game_wants_statusbar,
+    game_status,
+    FALSE, FALSE, game_print_size, game_print,
+    TRUE,                             /* wants_statusbar */
     FALSE, game_timing_state,
-    0,                                /* mouse_priorities */
+    0,                                /* flags */
 };