79c8a8cbbe
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12815 a1c6a512-1295-4272-9138-f99709370657
418 lines
10 KiB
C
418 lines
10 KiB
C
/*********************************************************************/
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/* menu.c - user menu for rockboy */
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/* */
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/* Note: this file only exposes one function: do_user_menu(). */
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/*********************************************************************/
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#include "button.h"
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#include "rockmacros.h"
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#include "mem.h"
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#if (CONFIG_KEYPAD == IPOD_4G_PAD)
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#define MENU_BUTTON_UP BUTTON_SCROLL_BACK
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#define MENU_BUTTON_DOWN BUTTON_SCROLL_FWD
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#define MENU_BUTTON_LEFT BUTTON_LEFT
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#define MENU_BUTTON_RIGHT BUTTON_RIGHT
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#elif (CONFIG_KEYPAD == IRIVER_H10_PAD)
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#define MENU_BUTTON_UP BUTTON_SCROLL_UP
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#define MENU_BUTTON_DOWN BUTTON_SCROLL_DOWN
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#define MENU_BUTTON_LEFT BUTTON_LEFT
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#define MENU_BUTTON_RIGHT BUTTON_RIGHT
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#else
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#define MENU_BUTTON_UP BUTTON_UP
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#define MENU_BUTTON_DOWN BUTTON_DOWN
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#define MENU_BUTTON_LEFT BUTTON_LEFT
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#define MENU_BUTTON_RIGHT BUTTON_RIGHT
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#endif
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/* load/save state function declarations */
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static void do_opt_menu(void);
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static void do_slot_menu(bool is_load);
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static void munge_name(char *buf, size_t bufsiz);
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/* directory ROM save slots belong in */
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#define STATE_DIR "/.rockbox/rockboy"
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int getbutton(char *text)
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{
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rb->lcd_putsxy(0, 0, text);
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rb->lcd_update();
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rb->sleep(30);
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while (rb->button_get(false) != BUTTON_NONE)
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rb->yield();
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int button;
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while(true)
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{
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button = rb->button_get(true);
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button=button&0x00000FFF;
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switch(button)
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{
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case MENU_BUTTON_LEFT:
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case MENU_BUTTON_RIGHT:
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case MENU_BUTTON_UP:
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case MENU_BUTTON_DOWN:
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break;
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default:
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return button;
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break;
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}
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}
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}
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void setupkeys(void)
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{
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options.A=getbutton("Press A");
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options.B=getbutton("Press B");
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options.START=getbutton("Press Start");
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options.SELECT=getbutton("Press Select");
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options.MENU=getbutton("Press Menu");
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}
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/*
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* do_user_menu - create the user menu on the screen.
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*
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* Returns USER_MENU_QUIT if the user selected "quit", otherwise
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* returns zero.
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*/
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int do_user_menu(void) {
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bool done=false;
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int m, ret=0;
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int result;
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/* Clean out the button Queue */
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while (rb->button_get(false) != BUTTON_NONE)
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rb->yield();
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static const struct menu_item items[] = {
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{"Load Game", NULL },
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{"Save Game", NULL },
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{"Options", NULL },
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{"Quit", NULL },
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};
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pcm_init();
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m = rb->menu_init(items, sizeof(items) / sizeof(*items), NULL, NULL, NULL, NULL);
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while(!done)
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{
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result=rb->menu_show(m);
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switch (result)
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{
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case 0: /* Load Game */
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do_slot_menu(true);
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break;
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case 1: /* Save Game */
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do_slot_menu(false);
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break;
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case 2: /* Options */
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do_opt_menu();
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break;
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case 3: /* Quit */
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ret = USER_MENU_QUIT;
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done=true;
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break;
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default:
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done=true;
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break;
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}
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}
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rb->menu_exit(m);
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rb->lcd_setfont(0); /* Reset the font */
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rb->lcd_clear_display(); /* Clear display for screen size changes */
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return ret;
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}
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/*
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* munge_name - munge a string into a filesystem-safe name
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*/
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static void munge_name(char *buf, const size_t bufsiz) {
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unsigned int i, max;
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/* check strlen */
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max = strlen(buf);
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max = (max < bufsiz) ? max : bufsiz;
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/* iterate over characters and munge them (if necessary) */
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for (i = 0; i < max; i++)
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if (!isalnum(buf[i]))
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buf[i] = '_';
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}
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/*
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* build_slot_path - build a path to an slot state file for this rom
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*
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* Note: uses rom.name. Is there a safer way of doing this? Like a ROM
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* checksum or something like that?
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*/
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static void build_slot_path(char *buf, size_t bufsiz, size_t slot_id) {
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char name_buf[40];
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/* munge state file name */
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strncpy(name_buf, rom.name, 40);
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name_buf[16] = '\0';
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munge_name(name_buf, strlen(name_buf));
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/* glom the whole mess together */
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snprintf(buf, bufsiz, "%s/%s-%ld.rbs", STATE_DIR, name_buf, slot_id + 1);
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}
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/*
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* do_file - load or save game data in the given file
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*
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* Returns true on success and false on failure.
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*
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* @desc is a brief user-provided description (<20 bytes) of the state.
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* If no description is provided, set @desc to NULL.
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*
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*/
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static bool do_file(char *path, char *desc, bool is_load) {
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char buf[200], desc_buf[20];
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int fd, file_mode;
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/* set file mode */
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file_mode = is_load ? O_RDONLY : (O_WRONLY | O_CREAT);
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/* attempt to open file descriptor here */
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if ((fd = open(path, file_mode)) <= 0)
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return false;
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/* load/save state */
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if (is_load)
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{
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/* load description */
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read(fd, desc_buf, 20);
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/* load state */
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loadstate(fd);
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/* print out a status message so the user knows the state loaded */
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snprintf(buf, 200, "Loaded state from \"%s\"", path);
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rb->splash(HZ * 1, buf);
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}
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else
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{
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/* build description buffer */
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memset(desc_buf, 0, 20);
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if (desc)
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strncpy(desc_buf, desc, 20);
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/* save state */
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write(fd, desc_buf, 20);
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savestate(fd);
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}
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/* close file descriptor */
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close(fd);
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/* return true (for success) */
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return true;
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}
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/*
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* do_slot - load or save game data in the given slot
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*
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* Returns true on success and false on failure.
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*/
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static bool do_slot(size_t slot_id, bool is_load) {
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char path_buf[256], desc_buf[20];
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/* build slot filename, clear desc buf */
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build_slot_path(path_buf, 256, slot_id);
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memset(desc_buf, 0, 20);
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/* if we're saving to a slot, then get a brief description */
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if (!is_load)
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if (rb->kbd_input(desc_buf, 20) || !strlen(desc_buf))
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{
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memset(desc_buf, 0, 20);
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strncpy(desc_buf, "Untitled", 20);
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}
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/* load/save file */
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return do_file(path_buf, desc_buf, is_load);
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}
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/*
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* get information on the given slot
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*/
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static void slot_info(char *info_buf, size_t info_bufsiz, size_t slot_id) {
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char buf[256];
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int fd;
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/* get slot file path */
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build_slot_path(buf, 256, slot_id);
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/* attempt to open slot */
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if ((fd = open(buf, O_RDONLY)) >= 0)
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{
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/* this slot has a some data in it, read it */
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if (read(fd, buf, 20) > 0)
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{
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buf[20] = '\0';
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snprintf(info_buf, info_bufsiz, "%ld. %s", slot_id + 1, buf);
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}
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else
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snprintf(info_buf, info_bufsiz, "%ld. ERROR", slot_id + 1);
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close(fd);
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}
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else
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{
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/* if we couldn't open the file, then the slot is empty */
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snprintf(info_buf, info_bufsiz, "%ld. %s", slot_id + 1, "<Empty>");
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}
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}
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/*
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* do_slot_menu - prompt the user for a load/save memory slot
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*/
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static void do_slot_menu(bool is_load) {
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bool done=false;
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char buf[5][20];
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int m;
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int result;
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int i;
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struct menu_item items[] = {
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{ buf[0] , NULL },
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{ buf[1] , NULL },
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{ buf[2] , NULL },
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{ buf[3] , NULL },
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{ buf[4] , NULL },
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};
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int num_items = sizeof(items) / sizeof(*items);
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/* create menu items */
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for (i = 0; i < num_items; i++)
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slot_info(buf[i], 20, i);
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m = rb->menu_init(items, num_items, NULL, NULL, NULL, NULL);
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while(!done)
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{
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result=rb->menu_show(m);
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if (result<num_items && result >= 0 )
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done = do_slot(result, is_load);
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else
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done = true;
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}
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rb->menu_exit(m);
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}
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static void do_opt_menu(void)
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{
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bool done=false;
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int m;
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int result;
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static const struct opt_items onoff[2] = {
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{ "Off", -1 },
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{ "On" , -1 },
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};
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static const struct opt_items fullscreen[]= {
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{ "Unscaled", -1 },
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{ "Scaled", -1 },
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{ "Scaled - Maintain Ratio", -1 },
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};
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static const struct opt_items frameskip[]= {
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{ "3 Max", -1 },
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{ "4 Max", -1 },
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{ "5 Max", -1 },
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{ "6 Max", -1 },
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};
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#ifdef HAVE_LCD_COLOR
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static const struct opt_items palette[]= {
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{ "Brown (Default)", -1 },
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{ "Gray", -1 },
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{ "Light Gray", -1 },
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{ "Multi-Color 1", -1 },
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{ "Multi-Color 2", -1 },
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{ "Adventure Island", -1 },
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{ "Adventure Island 2", -1 },
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{ "Balloon Kid", -1 },
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{ "Batman", -1 },
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{ "Batman: Return of Joker", -1 },
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{ "Bionic Commando", -1 },
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{ "Castlvania Adventure", -1 },
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{ "Donkey Kong Land", -1 },
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{ "Dr. Mario", -1 },
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{ "Kirby", -1 },
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{ "Metroid", -1 },
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{ "Zelda", -1 },
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};
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#endif
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static const struct menu_item items[] = {
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{ "Max Frameskip", NULL },
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{ "Sound" , NULL },
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{ "Stats" , NULL },
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{ "Screen Options" , NULL },
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{ "Set Keys (Buggy)", NULL },
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#ifdef HAVE_LCD_COLOR
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{ "Set Palette" , NULL },
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#endif
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};
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m = rb->menu_init(items, sizeof(items) / sizeof(*items), NULL, NULL, NULL, NULL);
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while(!done)
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{
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result=rb->menu_show(m);
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switch (result)
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{
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case 0: /* Frameskip */
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options.maxskip-=3;
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rb->set_option(items[0].desc, &options.maxskip, INT, frameskip, 4, NULL );
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options.maxskip+=3;
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break;
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case 1: /* Sound */
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if(options.sound>1) options.sound=1;
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rb->set_option(items[1].desc, &options.sound, INT, onoff, 2, NULL );
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if(options.sound) sound_dirty();
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break;
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case 2: /* Stats */
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rb->set_option(items[2].desc, &options.showstats, INT, onoff, 2, NULL );
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break;
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case 3: /* Fullscreen */
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rb->set_option(items[3].desc, &options.fullscreen, INT, fullscreen, 3, NULL );
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setvidmode(options.fullscreen);
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break;
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case 4: /* Keys */
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setupkeys();
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break;
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#ifdef HAVE_LCD_COLOR
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case 5: /* Palette */
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rb->set_option(items[5].desc, &options.pal, INT, palette, 17, NULL );
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set_pal();
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break;
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#endif
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default:
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done=true;
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break;
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}
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}
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rb->menu_exit(m);
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}
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