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Introduce the concept of a `game_aux_info' structure. This is

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constructed at the same time as an internally generated game seed,
so that it can preserve any interesting information known by the
program at generation time but not physically contained within the
text of the game seed itself. (Such as, for example, the solution.)
Currently not used for anything yet, but it will be.

[originally from svn r5729]
This commit is contained in:
Simon Tatham
2005-05-02 10:12:26 +00:00
parent 3f9d88f3e7
commit 9e240e45df
13 changed files with 104 additions and 14 deletions
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18
midend.c
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@ -17,6 +17,7 @@ struct midend_data {
const game *ourgame;
char *seed;
game_aux_info *aux_info;
int fresh_seed;
int nstates, statesize, statepos;
@ -58,6 +59,7 @@ midend_data *midend_new(frontend *fe, const game *ourgame)
me->states = NULL;
me->params = ourgame->default_params();
me->seed = NULL;
me->aux_info = NULL;
me->fresh_seed = FALSE;
me->drawstate = NULL;
me->oldstate = NULL;
@ -79,6 +81,8 @@ void midend_free(midend_data *me)
{
sfree(me->states);
sfree(me->seed);
if (me->aux_info)
me->ourgame->free_aux_info(me->aux_info);
me->ourgame->free_params(me->params);
sfree(me);
}
@ -106,7 +110,11 @@ void midend_new_game(midend_data *me)
if (!me->fresh_seed) {
sfree(me->seed);
me->seed = me->ourgame->new_seed(me->params, me->random);
if (me->aux_info)
me->ourgame->free_aux_info(me->aux_info);
me->aux_info = NULL;
me->seed = me->ourgame->new_seed(me->params, me->random,
&me->aux_info);
} else
me->fresh_seed = FALSE;
@ -399,9 +407,12 @@ float *midend_colours(midend_data *me, int *ncolours)
float *ret;
if (me->nstates == 0) {
char *seed = me->ourgame->new_seed(me->params, me->random);
game_aux_info *aux = NULL;
char *seed = me->ourgame->new_seed(me->params, me->random, &aux);
state = me->ourgame->new_game(me->params, seed);
sfree(seed);
if (aux)
me->ourgame->free_aux_info(aux);
} else
state = me->states[0];
@ -540,6 +551,9 @@ char *midend_game_id(midend_data *me, char *id, int def_seed)
sfree(me->seed);
me->seed = dupstr(seed);
me->fresh_seed = TRUE;
if (me->aux_info)
me->ourgame->free_aux_info(me->aux_info);
me->aux_info = NULL;
}
return NULL;