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Fix game selection menu. Changed so that it only computes available

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drivers once per instantiation instead of on every change.
This commit is contained in:
Aaron Giles 2008-07-13 06:52:32 +00:00
parent 90a6836226
commit 4860b171b2
1 changed files with 26 additions and 28 deletions
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54
src/emu/uimenu.c
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@ -113,24 +113,24 @@ struct _ui_menu_item
struct _ui_menu
{
running_machine * machine; /* machine we are attached to */
ui_menu_handler_func handler; /* handler callback */
void * parameter; /* parameter */
ui_menu_event event; /* the UI event that occurred */
ui_menu * parent; /* pointer to parent menu */
void * state; /* menu-specific state */
int resetpos; /* reset position */
void * resetref; /* reset reference */
int selected; /* which item is selected */
int hover; /* which item is being hovered over */
int visitems; /* number of visible items */
int numitems; /* number of items in the menu */
int allocitems; /* allocated size of array */
ui_menu_item * item; /* pointer to array of items */
ui_menu_custom_func custom; /* callback for custom rendering */
float customtop; /* amount of extra height to add at the top */
float custombottom; /* amount of extra height to add at the bottom */
ui_menu_pool * pool; /* list of memory pools */
running_machine * machine; /* machine we are attached to */
ui_menu_handler_func handler; /* handler callback */
void * parameter; /* parameter */
ui_menu_event event; /* the UI event that occurred */
ui_menu * parent; /* pointer to parent menu */
void * state; /* menu-specific state */
int resetpos; /* reset position */
void * resetref; /* reset reference */
int selected; /* which item is selected */
int hover; /* which item is being hovered over */
int visitems; /* number of visible items */
int numitems; /* number of items in the menu */
int allocitems; /* allocated size of array */
ui_menu_item * item; /* pointer to array of items */
ui_menu_custom_func custom; /* callback for custom rendering */
float customtop; /* amount of extra height to add at the top */
float custombottom; /* amount of extra height to add at the bottom */
ui_menu_pool * pool; /* list of memory pools */
};
@ -199,7 +199,7 @@ struct _select_game_state
UINT8 rerandomize;
char search[40];
const game_driver * matchlist[VISIBLE_GAMES_IN_LIST];
const game_driver **driverlist;
const game_driver * driverlist[1];
};
@ -2673,7 +2673,7 @@ static void menu_select_game(running_machine *machine, ui_menu *menu, void *para
/* if no state, allocate some */
if (state == NULL)
{
state = ui_menu_alloc_state(menu, sizeof(*menustate));
state = ui_menu_alloc_state(menu, sizeof(*menustate) + sizeof(menustate->driverlist) * driver_list_get_count(drivers));
if (parameter != NULL)
strcpy(((select_game_state *)state)->search, parameter);
}
@ -2785,7 +2785,8 @@ static void menu_select_game_populate(running_machine *machine, ui_menu *menu, s
int curitem;
/* update our driver list if necessary */
menu_select_game_build_driver_list(menu, menustate);
if (menustate->driverlist[0] == NULL)
menu_select_game_build_driver_list(menu, menustate);
for (curitem = matchcount = 0; menustate->driverlist[curitem] != NULL && matchcount < VISIBLE_GAMES_IN_LIST; curitem++)
if (!(menustate->driverlist[curitem]->flags & GAME_NO_STANDALONE))
matchcount++;
@ -2857,12 +2858,9 @@ static void menu_select_game_build_driver_list(ui_menu *menu, select_game_state
mame_path *path;
UINT8 *found;
/* first allocate a copy of the full driver list */
menustate->driverlist = ui_menu_pool_alloc(menu, driver_count * sizeof(*menustate->driverlist));
memcpy((void *)menustate->driverlist, drivers, driver_count * sizeof(*menustate->driverlist));
/* sort it */
qsort((void *)menustate->driverlist, driver_count, sizeof(*menustate->driverlist), menu_select_game_driver_compare);
/* create a sorted copy of the main driver list */
memcpy((void *)menustate->driverlist, drivers, driver_count * sizeof(menustate->driverlist[0]));
qsort((void *)menustate->driverlist, driver_count, sizeof(menustate->driverlist[0]), menu_select_game_driver_compare);
/* allocate a temporary array to track which ones we found */
found = ui_menu_pool_alloc(menu, (driver_count + 7) / 8);
@ -2905,7 +2903,7 @@ static void menu_select_game_build_driver_list(ui_menu *menu, select_game_state
}
/* now build the final list */
for (drivnum = listnum = 0; drivnum < driver_count; drivnum += 8)
for (drivnum = listnum = 0; drivnum < driver_count; drivnum++)
if (found[drivnum / 8] & (1 << (drivnum % 8)))
menustate->driverlist[listnum++] = menustate->driverlist[drivnum];