diff options
Diffstat (limited to 'src/map/npc.c')
| -rw-r--r-- | src/map/npc.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/src/map/npc.c b/src/map/npc.c index 37cf06157..a95b490d9 100644 --- a/src/map/npc.c +++ b/src/map/npc.c @@ -51,7 +51,27 @@ static int npc_script=0; static int npc_mob=0; static int npc_delay_mob=0; static int npc_cache_mob=0; -int npc_get_new_npc_id(void){ return npc_id++; } + +/// Returns a new npc id that isn't being used in id_db. +/// Fatal error if nothing is available. +int npc_get_new_npc_id(void) +{ + if( npc_id >= START_NPC_NUM && map_id2bl(npc_id) == NULL ) + return npc_id++;// available + {// find next id + int base_id = npc_id; + while( base_id != ++npc_id ) + { + if( npc_id < START_NPC_NUM ) + npc_id = START_NPC_NUM; + if( map_id2bl(npc_id) == NULL ) + return npc_id++;// available + } + // full loop, nothing available + ShowFatalError("npc_get_new_npc_id: All ids are taken. Exiting..."); + exit(1); + } +} static DBMap* ev_db; // const char* event_name -> struct event_data* static DBMap* npcname_db; // const char* npc_name -> struct npc_data* |