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Gwenhael Le Moine
parent
639b9eda4b
commit
6b7fb34084
1 changed files with 121 additions and 107 deletions
228
star.c
228
star.c
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@ -6,10 +6,127 @@
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#define LEVEL_HEIGHT 9
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#define LEVEL_WIDTH 16
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typedef enum { WALL='#', BALL='@', CUBE='H', VOID=' ', GIFT='*' } cell;
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typedef enum { UP='u', DOWN='d', LEFT='l', RIGHT='r' } direction;
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typedef enum {
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WALL='#',
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BALL='@',
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CUBE='H',
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VOID=' ',
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GIFT='*'
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} cell;
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typedef enum {
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UP='u',
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DOWN='d',
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LEFT='l',
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RIGHT='r'
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} direction;
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char* levels[] = { "################"
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struct state {
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char level[ LEVEL_HEIGHT * LEVEL_WIDTH ];
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char moving;
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int moves;
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};
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int count_gifts( struct state *s )
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{
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int i, n = 0;
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for( i = 0 ; i < LEVEL_HEIGHT * LEVEL_WIDTH ; i++ ) {
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if ( s->level[ i ] == GIFT ) {
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n++;
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}
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}
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return n;
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}
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void get_pos( struct state *s, int* pos )
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{
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int p;
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p = (int)( strchr( s->level, s->moving ) - s->level );
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pos[ 1 ] = p / LEVEL_WIDTH;
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pos[ 0 ] = p - ( pos[ 1 ] * LEVEL_WIDTH );
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}
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char get_cell( struct state *s, int x, int y )
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{
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return s->level[ y * LEVEL_WIDTH + x ];
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}
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void set_cell( struct state *s, int x, int y, cell value )
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{
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s->level[ y * LEVEL_WIDTH + x ] = value;
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}
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void load_level( struct state *s, char* lvl )
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{
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strncpy( s->level, lvl, LEVEL_HEIGHT * LEVEL_WIDTH );
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s->moving = BALL;
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s->moves = 0;
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}
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void switch_actor( struct state *s )
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{
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s->moving = (s->moving == BALL) ? CUBE : BALL;
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}
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int won_or_not( struct state *s )
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{
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return( count_gifts( s ) == 0 );
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}
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void move( struct state *s, direction where )
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{
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int dx = 0, dy = 0, tmpx, tmpy, *item_coord;
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item_coord = malloc( sizeof( int ) * 2 );
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get_pos( s, item_coord );
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tmpx = item_coord[ 0 ];
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tmpy = item_coord[ 1 ];
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switch( where ) {
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case UP:
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dy--;
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break;
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case DOWN:
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dy++;
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break;
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case LEFT:
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dx--;
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break;
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case RIGHT:
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dx++;
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break;
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default: break;
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}
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/* Calculating arrival coordinates */
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while ( /* Hairy conditions ahead */
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/* target cell is within level's boundaries */
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( ( tmpx + dx >= 0 ) && ( tmpx + dx < LEVEL_WIDTH ) ) &&
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( ( tmpy + dy >= 0 ) && ( tmpy + dy < LEVEL_HEIGHT ) ) &&
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/* and target cell is empty */
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( get_cell( s, tmpx + dx, tmpy + dy ) == VOID )
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/* or, in case the ball is moving, target cell can be a gift (which we'll eat) */
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|| ( s->moving == BALL && ( get_cell( s, tmpx + dx, tmpy + dy ) == GIFT ) )
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) {
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tmpx += dx;
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tmpy += dy;
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if ( s->moving == BALL && get_cell( s, tmpx, tmpy ) == GIFT ) {
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set_cell( s, tmpx, tmpy, VOID );
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}
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}
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/* Moving to arrival coordinates */
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set_cell( s, item_coord[ 0 ], item_coord[ 1 ], VOID );
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set_cell( s, tmpx, tmpy, s->moving );
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free( item_coord );
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}
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/* below for testing, my kind-of/sort-of unti-testing */
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/* so if I declare level as cell* levels[] I get a warning :/ */
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char *levels[] = { "################"
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"#@## *#H#"
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"# * ###"
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"# ##* #"
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@ -259,109 +376,6 @@ char* levels[] = { "################"
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"################"
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" " };
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struct state {
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char level[ LEVEL_HEIGHT * LEVEL_WIDTH ];
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char moving;
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int moves;
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};
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int count_gifts( struct state *s )
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{
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int i, n = 0;
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for( i = 0 ; i < LEVEL_HEIGHT * LEVEL_WIDTH ; i++ ) {
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if ( s->level[ i ] == GIFT ) {
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n++;
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}
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}
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return n;
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}
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void get_pos( struct state *s, int* pos )
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{
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int p;
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p = (int)( strchr( s->level, s->moving ) - s->level );
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pos[ 1 ] = p / LEVEL_WIDTH;
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pos[ 0 ] = p - ( pos[ 1 ] * LEVEL_WIDTH );
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}
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char get_cell( struct state *s, int x, int y )
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{
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return s->level[ y * LEVEL_WIDTH + x ];
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}
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void set_cell( struct state *s, int x, int y, cell value )
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{
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s->level[ y * LEVEL_WIDTH + x ] = value;
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}
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void load_level( struct state *s, char* lvl )
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{
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strncpy( s->level, lvl, LEVEL_HEIGHT * LEVEL_WIDTH );
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s->moving = BALL;
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s->moves = 0;
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}
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void switch_actor( struct state *s )
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{
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s->moving = (s->moving == BALL) ? CUBE : BALL;
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}
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int won_or_not( struct state *s )
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{
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return( count_gifts( s ) == 0 );
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}
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void move( struct state *s, direction where )
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{
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int dx = 0, dy = 0, tmpx, tmpy, *item_coord;
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item_coord = malloc( sizeof( int ) * 2 );
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get_pos( s, item_coord );
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tmpx = item_coord[ 0 ];
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tmpy = item_coord[ 1 ];
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switch( where ) {
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case UP:
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dy--;
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break;
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case DOWN:
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dy++;
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break;
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case LEFT:
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dx--;
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break;
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case RIGHT:
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dx++;
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break;
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default: break;
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}
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/* Calculating arrival coordinates */
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while ( /* Hairy conditions ahead */
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/* target cell is within level's boundaries */
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( ( tmpx + dx >= 0 ) && ( tmpx + dx < LEVEL_WIDTH ) ) &&
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( ( tmpy + dy >= 0 ) && ( tmpy + dy < LEVEL_HEIGHT ) ) &&
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/* and target cell is empty */
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( get_cell( s, tmpx + dx, tmpy + dy ) == VOID )
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/* or, in case the ball is moving, target cell can be a gift (which we'll eat) */
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|| ( s->moving == BALL && ( get_cell( s, tmpx + dx, tmpy + dy ) == GIFT ) )
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) {
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tmpx += dx;
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tmpy += dy;
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if ( s->moving == BALL && get_cell( s, tmpx, tmpy ) == GIFT ) {
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set_cell( s, tmpx, tmpy, VOID );
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}
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}
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/* Moving to arrival coordinates */
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set_cell( s, item_coord[ 0 ], item_coord[ 1 ], VOID );
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set_cell( s, tmpx, tmpy, s->moving );
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free( item_coord );
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}
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void display_level( struct state *s )
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{
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int i, j, *ball, *cube;
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@ -392,7 +406,7 @@ void display_level( struct state *s )
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case GIFT:
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printf( "<>" );
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break;
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default: break;
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default: break; /* ignore newlines */
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}
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}
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printf( "\n" );
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