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authorFlavioJS <FlavioJS@54d463be-8e91-2dee-dedb-b68131a5f0ec>2008-02-03 19:20:42 +0000
committerFlavioJS <FlavioJS@54d463be-8e91-2dee-dedb-b68131a5f0ec>2008-02-03 19:20:42 +0000
commit42817756b603d2dc76c1408d0a6f432673350bd7 (patch)
treeb9e0780f47c550e7bce922bc84de0941beee9a93 /src
parentf010f32adb51f7d4d2648abd475a900ecf07bafa (diff)
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* Added an iterator to map.h/c.
Will be used instead of map_getallusers, which has problems with dangling pointers (returned array isn't updated). git-svn-id: https://rathena.svn.sourceforge.net/svnroot/rathena/trunk@12170 54d463be-8e91-2dee-dedb-b68131a5f0ec
Diffstat (limited to 'src')
-rw-r--r--src/common/db.h8
-rw-r--r--src/map/map.c148
-rw-r--r--src/map/map.h19
-rw-r--r--src/map/pc.h1
4 files changed, 176 insertions, 0 deletions
diff --git a/src/common/db.h b/src/common/db.h
index cf9e4e82e..eb6318869 100644
--- a/src/common/db.h
+++ b/src/common/db.h
@@ -608,6 +608,14 @@ struct DBMap {
#define strdb_alloc(opt,maxlen) db_alloc(__FILE__,__LINE__,DB_STRING,(opt),(maxlen))
#define stridb_alloc(opt,maxlen) db_alloc(__FILE__,__LINE__,DB_ISTRING,(opt),(maxlen))
#define db_destroy(db) ( (db)->destroy((db),NULL) )
+// Other macros
+#define db_iterator(db) ( (db)->iterator(db) )
+#define dbi_first(dbi) ( (dbi)->first(dbi,NULL) )
+#define dbi_last(dbi) ( (dbi)->last(dbi,NULL) )
+#define dbi_next(dbi) ( (dbi)->next(dbi,NULL) )
+#define dbi_prev(dbi) ( (dbi)->prev(dbi,NULL) )
+#define dbi_exists(dbi) ( (dbi)->exists(dbi) )
+#define dbi_destroy(dbi) ( (dbi)->destroy(dbi) )
/*****************************************************************************\
* (2) Section with public functions. *
diff --git a/src/map/map.c b/src/map/map.c
index bd12e418b..cda1fccc9 100644
--- a/src/map/map.c
+++ b/src/map/map.c
@@ -1829,6 +1829,154 @@ int map_foreachiddb(int (*func)(DBKey,void*,va_list),...)
return 0;
}
+/// Iterator.
+/// Can filter by bl type.
+struct s_mapiterator
+{
+ enum e_mapitflags flags;// flags for special behaviour
+ enum bl_type types;// what bl types to return
+ DBIterator* dbi;// database iterator
+};
+
+/// Returns true if the block_list matches the description in the iterator.
+///
+/// @param _mapit_ Iterator
+/// @param _bl_ block_list
+/// @return true if it matches
+#define MAPIT_MATCHES(_mapit_,_bl_) \
+ ( \
+ ( (_bl_)->type & (_mapit_)->types /* type matches */ ) && \
+ ( (_bl_)->type != BL_PC /* not a pc */ || !((_mapit_)->flags & MAPIT_PCISPLAYING) /* any pc state */ || pc_isplaying((TBL_PC*)(_bl_)) /* pc is playing */ ) \
+ )
+
+/// Allocates a new iterator.
+/// Returns the new iterator.
+/// types can represent several BL's as a bit field.
+/// TODO should this be expanded to allow filtering of map/guild/party/chat/cell/area/...?
+///
+/// @param flags Flags of the iterator
+/// @param type Target types
+/// @return Iterator
+struct s_mapiterator* mapit_alloc(enum e_mapitflags flags, enum bl_type types)
+{
+ struct s_mapiterator* mapit;
+
+ CREATE(mapit, struct s_mapiterator, 1);
+ if( !(types & BL_PC) && (flags & MAPIT_PCISPLAYING) ) flags ^= MAPIT_PCISPLAYING;// incompatible flag
+ mapit->flags = flags;
+ mapit->types = types;
+ if( types == BL_PC ) mapit->dbi = db_iterator(pc_db);
+ else if( types == BL_MOB ) mapit->dbi = db_iterator(mobid_db);
+ else mapit->dbi = db_iterator(id_db);
+ return mapit;
+}
+
+/// Frees the iterator.
+///
+/// @param mapit Iterator
+void mapit_free(struct s_mapiterator* mapit)
+{
+ nullpo_retv(mapit);
+
+ dbi_destroy(mapit->dbi);
+ aFree(mapit);
+}
+
+/// Returns the first block_list that matches the description.
+/// Returns NULL if not found.
+///
+/// @param mapit Iterator
+/// @return first block_list or NULL
+struct block_list* mapit_first(struct s_mapiterator* mapit)
+{
+ struct block_list* bl;
+
+ nullpo_retr(NULL,mapit);
+
+ for( bl = (struct block_list*)dbi_first(mapit->dbi); bl != NULL; bl = (struct block_list*)dbi_next(mapit->dbi) )
+ {
+ if( MAPIT_MATCHES(mapit,bl) )
+ break;// found match
+ }
+ return bl;
+}
+
+/// Returns the last block_list that matches the description.
+/// Returns NULL if not found.
+///
+/// @param mapit Iterator
+/// @return last block_list or NULL
+struct block_list* mapit_last(struct s_mapiterator* mapit)
+{
+ struct block_list* bl;
+
+ nullpo_retr(NULL,mapit);
+
+ for( bl = (struct block_list*)dbi_last(mapit->dbi); bl != NULL; bl = (struct block_list*)dbi_prev(mapit->dbi) )
+ {
+ if( MAPIT_MATCHES(mapit,bl) )
+ break;// found match
+ }
+ return bl;
+}
+
+/// Returns the next block_list that matches the description.
+/// Returns NULL if not found.
+///
+/// @param mapit Iterator
+/// @return next block_list or NULL
+struct block_list* mapit_next(struct s_mapiterator* mapit)
+{
+ struct block_list* bl;
+
+ nullpo_retr(NULL,mapit);
+
+ for( ; ; )
+ {
+ bl = (struct block_list*)dbi_next(mapit->dbi);
+ if( bl == NULL )
+ break;// end
+ if( MAPIT_MATCHES(mapit,bl) )
+ break;// found a match
+ // try next
+ }
+ return bl;
+}
+
+/// Returns the previous block_list that matches the description.
+/// Returns NULL if not found.
+///
+/// @param mapit Iterator
+/// @return previous block_list or NULL
+struct block_list* mapit_prev(struct s_mapiterator* mapit)
+{
+ struct block_list* bl;
+
+ nullpo_retr(NULL,mapit);
+
+ for( ; ; )
+ {
+ bl = (struct block_list*)dbi_prev(mapit->dbi);
+ if( bl == NULL )
+ break;// end
+ if( MAPIT_MATCHES(mapit,bl) )
+ break;// found a match
+ // try prev
+ }
+ return bl;
+}
+
+/// Returns true if the current block_list exists in the database.
+///
+/// @param mapit Iterator
+/// @return true if it exists
+bool mapit_exists(struct s_mapiterator* mapit)
+{
+ nullpo_retr(false,mapit);
+
+ return dbi_exists(mapit->dbi);
+}
+
/*==========================================
* map.npcへ追加 (warp等の領域持ちのみ)
*------------------------------------------*/
diff --git a/src/map/map.h b/src/map/map.h
index 436fbca33..81b83257c 100644
--- a/src/map/map.h
+++ b/src/map/map.h
@@ -1324,6 +1324,25 @@ void map_foreachmob(int (*func)(DBKey,void*,va_list),...);
int map_foreachiddb(int (*)(DBKey,void*,va_list),...);
struct map_session_data * map_nick2sd(const char*);
+/// Bitfield of flags for the iterator.
+enum e_mapitflags
+{
+ MAPIT_NORMAL = 0,
+ MAPIT_PCISPLAYING = 1,// player is authed, not waiting disconnect and not in final save
+};
+struct s_mapiterator;
+struct s_mapiterator* mapit_alloc(enum e_mapitflags flags, enum bl_type types);
+void mapit_free(struct s_mapiterator* mapit);
+struct block_list* mapit_first(struct s_mapiterator* mapit);
+struct block_list* mapit_last(struct s_mapiterator* mapit);
+struct block_list* mapit_next(struct s_mapiterator* mapit);
+struct block_list* mapit_prev(struct s_mapiterator* mapit);
+bool mapit_exists(struct s_mapiterator* mapit);
+#define mapit_getallusers() mapit_alloc(MAPIT_PCISPLAYING,BL_PC)
+#define mapit_geteachpc() mapit_alloc(MAPIT_NORMAL,BL_PC)
+#define mapit_geteachmob() mapit_alloc(MAPIT_NORMAL,BL_MOB)
+#define mapit_geteachiddb() mapit_alloc(MAPIT_NORMAL,BL_ALL)
+
// その他
int map_check_dir(int s_dir,int t_dir);
unsigned char map_calc_dir( struct block_list *src,int x,int y);
diff --git a/src/map/pc.h b/src/map/pc.h
index d179ec770..e9f300d9c 100644
--- a/src/map/pc.h
+++ b/src/map/pc.h
@@ -126,6 +126,7 @@ extern int duel_count;
#define pc_is50overweight(sd) ( (sd)->weight*100 >= (sd)->max_weight*battle_config.natural_heal_weight_rate )
#define pc_is90overweight(sd) ( (sd)->weight*10 >= (sd)->max_weight*9 )
#define pc_maxparameter(sd) ( (sd)->class_&JOBL_BABY ? battle_config.max_baby_parameter : battle_config.max_parameter )
+#define pc_isplaying(sd) ( (sd)->state.auth /* is authed */ && !(sd)->state.waitingdisconnect /* not waiting disconnect */ && !(sd)->state.finalsave /* not in final save */ )
#define pc_stop_walking(sd, type) unit_stop_walking(&(sd)->bl, type)
#define pc_stop_attack(sd) unit_stop_attack(&(sd)->bl)