diff options
Diffstat (limited to 'apps/plugins/solitaire.c')
| -rw-r--r-- | apps/plugins/solitaire.c | 165 |
1 files changed, 140 insertions, 25 deletions
diff --git a/apps/plugins/solitaire.c b/apps/plugins/solitaire.c index ae1294cbc5..933a7226ca 100644 --- a/apps/plugins/solitaire.c +++ b/apps/plugins/solitaire.c @@ -7,7 +7,7 @@ * \/ \/ \/ \/ \/ * $Id$ * - * Copyright (C) 2004-2006 Antoine Cellerier <dionoea @t videolan d.t org> + * Copyright (C) 2004-2007 Antoine Cellerier <dionoea @t videolan d.t org> * * All files in this archive are subject to the GNU General Public License. * See the file COPYING in the source tree root for full license agreement. @@ -17,20 +17,6 @@ * ****************************************************************************/ -/***************************************************************************** -Solitaire by dionoea -Graphics & Fix Bugs by Ben Basha - -use arrows to move the cursor -use ON to select cards, move cards, reveal hidden cards, ... -use PLAY to move a card from the remains' stack to the top of the cursor -use F1 to put card under cursor on one of the 4 final stacks -use F2 to un-select card if a card was selected, else draw 3 new cards - out of the remains' stack -use F3 to put card on top of the remains' stack on one of the 4 final stacks - -*****************************************************************************/ - #include "plugin.h" #include "playback_control.h" #include "configfile.h" @@ -1046,7 +1032,7 @@ enum move move_card( int dest_col, int src_card ) return MOVE_OK; } -enum { SOLITAIRE_WIN, SOLITAIRE_QUIT, SOLITAIRE_USB }; +enum { SOLITAIRE_WIN, SOLITAIRE_QUIT_NEW, SOLITAIRE_QUIT, SOLITAIRE_USB }; /** * Bouncing cards at the end of the game @@ -1115,10 +1101,125 @@ int bouncing_cards( void ) } /** + * Game save/load routines + */ +void get_save_filename( char *buf ) +{ + char *s; + rb->strcpy( buf, rb->plugin_get_current_filename() ); + s = rb->strrchr( buf, '/' ) + 1; + *s = '\0'; + rb->strcat( s, "sol.save" ); +} + +int open_save_file( int flags ) +{ + char buf[MAX_PATH]; + get_save_filename( buf ); + return rb->open( buf, flags ); +} + +void delete_save_file( void ) +{ + char buf[MAX_PATH]; + rb->remove( buf ); +} + +#ifdef write +# undef write +#endif +int save_write( int fd, const void *buf, size_t count, int *checksum ) +{ + size_t i; + if( rb->PREFIX(write)( fd, buf, count ) < (ssize_t)count ) + return 1; + for( i = 0; i < count; i++ ) + *checksum += (int)(((const char *)buf)[i]); + return 0; +} + +#ifdef read +# undef read +#endif +int save_read( int fd, void *buf, size_t count, int *checksum ) +{ + size_t i; + if( rb->PREFIX(read)( fd, buf, count ) < (ssize_t)count ) + return 1; + for( i = 0; i < count; i++ ) + *checksum -= (int)(((const char *)buf)[i]); + return 0; +} + +int save_game( void ) +{ + int fd = open_save_file( O_CREAT|O_WRONLY|O_TRUNC ); + int checksum = 42; + if( fd < 0 ) + return -1; + if( save_write( fd, &cur_card, sizeof( int ), &checksum ) + || save_write( fd, &cur_col, sizeof( int ), &checksum ) + || save_write( fd, &sel_card, sizeof( int ), &checksum ) + || save_write( fd, deck, NUM_CARDS * sizeof( card_t ), &checksum ) + || save_write( fd, &rem, sizeof( int ), &checksum ) + || save_write( fd, &cur_rem, sizeof( int ), &checksum ) + || save_write( fd, &count_rem, sizeof( int ), &checksum ) + || save_write( fd, &cards_per_draw, sizeof( int ), &checksum ) + || save_write( fd, cols, COL_NUM * sizeof( int ), &checksum ) + || save_write( fd, stacks, SUITS * sizeof( int ), &checksum ) + || ( rb->PREFIX(write)( fd, &checksum, sizeof( int ) ) < (ssize_t)(sizeof( int ) ) ) ) + { + rb->close( fd ); + rb->splash( 2*HZ, "Error while saving game. Aborting." ); + return -2; + } + rb->close( fd ); + return 0; +} + +int load_game( void ) +{ + int fd = open_save_file( O_RDONLY ); + int checksum; + if( fd < 0 ) + return -1; + if( ( rb->PREFIX(lseek)( fd, -sizeof( int ), SEEK_END ) == -((ssize_t)sizeof( int ))-1 ) + || ( rb->PREFIX(read)( fd, &checksum, sizeof( int ) ) < ((ssize_t)sizeof( int )) ) + || ( rb->PREFIX(lseek)( fd, 0, SEEK_SET ) == -1 ) + || save_read( fd, &cur_card, sizeof( int ), &checksum ) + || save_read( fd, &cur_col, sizeof( int ), &checksum ) + || save_read( fd, &sel_card, sizeof( int ), &checksum ) + || save_read( fd, deck, NUM_CARDS * sizeof( card_t ), &checksum ) + || save_read( fd, &rem, sizeof( int ), &checksum ) + || save_read( fd, &cur_rem, sizeof( int ), &checksum ) + || save_read( fd, &count_rem, sizeof( int ), &checksum ) + || save_read( fd, &cards_per_draw, sizeof( int ), &checksum ) + || save_read( fd, cols, COL_NUM * sizeof( int ), &checksum ) + || save_read( fd, stacks, SUITS * sizeof( int ), &checksum ) ) + { + rb->close( fd ); + rb->splash( 2*HZ, "Error while loading saved game. Aborting." ); + delete_save_file(); + return -2; + } + rb->close( fd ); + if( checksum != 42 ) + { + rb->splash( 2*HZ, "Save file was corrupted. Aborting." ); + delete_save_file(); + return -3; + } + return 0; +} + +/** * The main game loop + * + * If skipmenu is defined to SOLITAIRE_QUIT, the menu will be skipped and + * game will resume. */ -int solitaire( void ) +int solitaire( int skipmenu ) { int i,j; @@ -1127,15 +1228,18 @@ int solitaire( void ) int biggest_col_length; rb->srand( *rb->current_tick ); - switch( solitaire_menu(false) ) + if( skipmenu != SOLITAIRE_QUIT ) { - case MENU_QUIT: - return SOLITAIRE_QUIT; + switch( solitaire_menu(false) ) + { + case MENU_QUIT: + return SOLITAIRE_QUIT_NEW; - case MENU_USB: - return SOLITAIRE_USB; + case MENU_USB: + return SOLITAIRE_USB; + } + solitaire_init(); } - solitaire_init(); while( true ) { @@ -1600,7 +1704,7 @@ int solitaire( void ) case SYS_POWEROFF: return SOLITAIRE_QUIT; - + default: if( rb->default_event_handler( button ) == SYS_USB_CONNECTED ) return SOLITAIRE_USB; @@ -1640,12 +1744,23 @@ enum plugin_status plugin_start( struct plugin_api* api, void* parameter ) sizeof(config) / sizeof(config[0]), CFGFILE_VERSION); rb->memcpy(&sol, &sol_disk, sizeof(sol)); /* copy to running config */ + if( load_game() == 0 ) + result = SOLITAIRE_QUIT; + else + result = SOLITAIRE_WIN; + init_help(); /* play the game :) * Keep playing if a game was won (that means display the menu after * winning instead of quiting) */ - while( ( result = solitaire() ) == SOLITAIRE_WIN ); + while( ( result = solitaire( result ) ) == SOLITAIRE_WIN ); + + if( result != SOLITAIRE_QUIT_NEW ) + save_game(); + else + /* XXX: Not sure if this is the best spot to delete the save file */ + delete_save_file(); if (rb->memcmp(&sol, &sol_disk, sizeof(sol))) /* save settings if changed */ { |