const game *ourgame;
game_params **presets;
- char **preset_names;
+ char **preset_names, **preset_encodings;
int npresets, presetsize;
/*
me->oldstate = NULL;
me->presets = NULL;
me->preset_names = NULL;
+ me->preset_encodings = NULL;
me->npresets = me->presetsize = 0;
me->anim_time = me->anim_pos = 0.0F;
me->flash_time = me->flash_pos = 0.0F;
return me;
}
+static void midend_purge_states(midend *me)
+{
+ while (me->nstates > me->statepos) {
+ me->ourgame->free_game(me->states[--me->nstates].state);
+ if (me->states[me->nstates].movestr)
+ sfree(me->states[me->nstates].movestr);
+ }
+}
+
static void midend_free_game(midend *me)
{
while (me->nstates > 0) {
for (i = 0; i < me->npresets; i++) {
sfree(me->presets[i]);
sfree(me->preset_names[i]);
+ sfree(me->preset_encodings[i]);
}
sfree(me->presets);
sfree(me->preset_names);
+ sfree(me->preset_encodings);
}
if (me->ui)
me->ourgame->free_ui(me->ui);
}
}
-void midend_size(midend *me, int *x, int *y, int expand)
+void midend_size(midend *me, int *x, int *y, int user_size)
{
int min, max;
int rx, ry;
/*
* Find the tile size that best fits within the given space. If
- * `expand' is TRUE, we must actually find the _largest_ such
- * tile size; otherwise, we bound above at the game's preferred
- * tile size.
+ * `user_size' is TRUE, we must actually find the _largest_ such
+ * tile size, in order to get as close to the user's explicit
+ * request as possible; otherwise, we bound above at the game's
+ * preferred tile size, so that the game gets what it wants
+ * provided that this doesn't break the constraint from the
+ * front-end (which is likely to be a screen size or similar).
*/
- if (expand) {
+ if (user_size) {
max = 1;
do {
max *= 2;
*/
me->tilesize = min;
- if (expand)
+ if (user_size)
+ /* If the user requested a change in size, make it permanent. */
me->preferred_tilesize = me->tilesize;
midend_size_new_drawstate(me);
*x = me->winwidth;
*y = me->winheight;
}
+int midend_tilesize(midend *me) { return me->tilesize; }
+
void midend_set_params(midend *me, game_params *params)
{
me->ourgame->free_params(me->params);
char newseed[16];
int i;
newseed[15] = '\0';
- newseed[0] = '1' + random_upto(me->random, 9);
+ newseed[0] = '1' + (char)random_upto(me->random, 9);
for (i = 1; i < 15; i++)
- newseed[i] = '0' + random_upto(me->random, 10);
+ newseed[i] = '0' + (char)random_upto(me->random, 10);
sfree(me->seedstr);
me->seedstr = dupstr(newseed);
me->states[me->nstates].state =
me->ourgame->new_game(me, me->params, me->desc);
+ /*
+ * As part of our commitment to self-testing, test the aux
+ * string to make sure nothing ghastly went wrong.
+ */
+ if (me->ourgame->can_solve && me->aux_info) {
+ game_state *s;
+ char *msg, *movestr;
+
+ msg = NULL;
+ movestr = me->ourgame->solve(me->states[0].state,
+ me->states[0].state,
+ me->aux_info, &msg);
+ assert(movestr && !msg);
+ s = me->ourgame->execute_move(me->states[0].state, movestr);
+ assert(s);
+ me->ourgame->free_game(s);
+ sfree(movestr);
+ }
+
me->states[me->nstates].movestr = NULL;
me->states[me->nstates].movetype = NEWGAME;
me->nstates++;
me->pressed_mouse_button = 0;
}
+int midend_can_undo(midend *me)
+{
+ return (me->statepos > 1);
+}
+
+int midend_can_redo(midend *me)
+{
+ return (me->statepos < me->nstates);
+}
+
static int midend_undo(midend *me)
{
if (me->statepos > 1) {
* Now enter the restarted state as the next move.
*/
midend_stop_anim(me);
- while (me->nstates > me->statepos)
- me->ourgame->free_game(me->states[--me->nstates].state);
+ midend_purge_states(me);
ensure(me);
me->states[me->nstates].state = s;
me->states[me->nstates].movestr = dupstr(me->desc);
midend_stop_anim(me);
if (!midend_redo(me))
goto done;
+ } else if (button == '\x13' && me->ourgame->can_solve) {
+ if (midend_solve(me))
+ goto done;
} else if (button == 'q' || button == 'Q' || button == '\x11') {
ret = 0;
goto done;
goto done;
} else if (s) {
midend_stop_anim(me);
- while (me->nstates > me->statepos)
- me->ourgame->free_game(me->states[--me->nstates].state);
+ midend_purge_states(me);
ensure(me);
assert(movestr != NULL);
me->states[me->nstates].state = s;
* like a left click for the benefit of users of other
* implementations. So the last of the above points is modified
* in the presence of an (optional) button priority order.
+ *
+ * A further addition: we translate certain keyboard presses to
+ * cursor key 'select' buttons, so that a) frontends don't have
+ * to translate these themselves (like they do for CURSOR_UP etc),
+ * and b) individual games don't have to hard-code button presses
+ * of '\n' etc for keyboard-based cursors. The choice of buttons
+ * here could eventually be controlled by a runtime configuration
+ * option.
*/
if (IS_MOUSE_DRAG(button) || IS_MOUSE_RELEASE(button)) {
if (me->pressed_mouse_button) {
}
/*
+ * Translate keyboard presses to cursor selection.
+ */
+ if (button == '\n' || button == '\r')
+ button = CURSOR_SELECT;
+ if (button == ' ')
+ button = CURSOR_SELECT2;
+
+ /*
+ * Normalise both backspace characters (8 and 127) to \b. Easier
+ * to do this once, here, than to require all front ends to
+ * carefully generate the same one - now each front end can
+ * generate whichever is easiest.
+ */
+ if (button == '\177')
+ button = '\b';
+
+ /*
* Now send on the event we originally received.
*/
ret = ret && midend_really_process_key(me, x, y, button);
buf[k] = '\0';
if ((e = getenv(buf)) != NULL &&
sscanf(e, "%2x%2x%2x", &r, &g, &b) == 3) {
- ret[i*3 + 0] = r / 255.0;
- ret[i*3 + 1] = g / 255.0;
- ret[i*3 + 2] = b / 255.0;
+ ret[i*3 + 0] = r / 255.0F;
+ ret[i*3 + 1] = g / 255.0F;
+ ret[i*3 + 2] = b / 255.0F;
}
}
}
game_params *);
me->preset_names = sresize(me->preset_names, me->presetsize,
char *);
+ me->preset_encodings = sresize(me->preset_encodings,
+ me->presetsize, char *);
}
me->presets[me->npresets] = preset;
me->preset_names[me->npresets] = name;
+ me->preset_encodings[me->npresets] =
+ me->ourgame->encode_params(preset, TRUE);;
me->npresets++;
}
}
game_params *);
me->preset_names = sresize(me->preset_names,
me->presetsize, char *);
+ me->preset_encodings = sresize(me->preset_encodings,
+ me->presetsize, char *);
}
me->presets[me->npresets] = preset;
me->preset_names[me->npresets] = dupstr(name);
+ me->preset_encodings[me->npresets] =
+ me->ourgame->encode_params(preset, TRUE);
me->npresets++;
}
+ sfree(e);
}
}
*params = me->presets[n];
}
+int midend_which_preset(midend *me)
+{
+ char *encoding = me->ourgame->encode_params(me->params, TRUE);
+ int i, ret;
+
+ ret = -1;
+ for (i = 0; i < me->npresets; i++)
+ if (!strcmp(encoding, me->preset_encodings[i])) {
+ ret = i;
+ break;
+ }
+
+ sfree(encoding);
+ return ret;
+}
+
int midend_wants_statusbar(midend *me)
{
return me->ourgame->wants_statusbar;
return NULL;
}
+int midend_can_format_as_text_now(midend *me)
+{
+ if (me->ourgame->can_format_as_text_ever)
+ return me->ourgame->can_format_as_text_now(me->params);
+ else
+ return FALSE;
+}
+
char *midend_text_format(midend *me)
{
- if (me->ourgame->can_format_as_text && me->statepos > 0)
+ if (me->ourgame->can_format_as_text_ever && me->statepos > 0 &&
+ me->ourgame->can_format_as_text_now(me->params))
return me->ourgame->text_format(me->states[me->statepos-1].state);
else
return NULL;
* Now enter the solved state as the next move.
*/
midend_stop_anim(me);
- while (me->nstates > me->statepos) {
- me->ourgame->free_game(me->states[--me->nstates].state);
- if (me->states[me->nstates].movestr)
- sfree(me->states[me->nstates].movestr);
- }
+ midend_purge_states(me);
ensure(me);
me->states[me->nstates].state = s;
me->states[me->nstates].movestr = movestr;
return NULL;
}
+int midend_is_solved(midend *me)
+{
+ /*
+ * We should probably never be called when the state stack has no
+ * states on it at all - ideally, midends should never be left in
+ * that state for long enough to get put down and forgotten about.
+ * But if we are, I think we return _true_ - pedantically speaking
+ * a midend in that state is 'vacuously solved', and more
+ * practically, a user whose midend has been left in that state
+ * probably _does_ want the 'new game' option to be prominent.
+ */
+ return (me->statepos == 0 ||
+ me->ourgame->is_solved(me->states[me->statepos-1].state));
+}
+
char *midend_rewrite_statusbar(midend *me, char *text)
{
/*
char timebuf[100], *ret;
int min, sec;
- sec = me->elapsed;
+ sec = (int)me->elapsed;
min = sec / 60;
sec %= 60;
sprintf(timebuf, "[%d:%02d] ", min, sec);
uistr = val;
val = NULL;
} else if (!strcmp(key, "TIME")) {
- elapsed = atof(val);
+ elapsed = (float)atof(val);
} else if (!strcmp(key, "NSTATES")) {
nstates = atoi(val);
if (nstates <= 0) {
~mdw / sgt / puzzles / blobdiff