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| author | shennetsind <ind@henn.et> | 2013-10-04 16:12:09 -0300 |
|---|---|---|
| committer | shennetsind <ind@henn.et> | 2013-10-04 16:12:09 -0300 |
| commit | a49787ff1589d86efa87263676761ddcbecd64ce (patch) | |
| tree | 3f4c4f003f261d51995f0e3ff7092bbf82bbab68 /src/plugins/sample.c | |
| parent | 2f2afbd3b63a75695f8f96e3bcb4db9fff5a7dc6 (diff) | |
| download | hercules-a49787ff1589d86efa87263676761ddcbecd64ce.tar.gz hercules-a49787ff1589d86efa87263676761ddcbecd64ce.tar.bz2 hercules-a49787ff1589d86efa87263676761ddcbecd64ce.tar.xz hercules-a49787ff1589d86efa87263676761ddcbecd64ce.zip | |
HPM: Hooking!
http://hercules.ws/board/topic/2399-hpm-hooking-now-available/
Signed-off-by: shennetsind <ind@henn.et>
Diffstat (limited to 'src/plugins/sample.c')
| -rw-r--r-- | src/plugins/sample.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/src/plugins/sample.c b/src/plugins/sample.c index 4f9e34f74..d1a95c71d 100644 --- a/src/plugins/sample.c +++ b/src/plugins/sample.c @@ -88,6 +88,26 @@ void sample_packet0f3(int fd) { clif->pGlobalMessage(fd,sd); } +int my_pc_dropitem_storage;/* storage var */ +/* my custom prehook for pc_dropitem, checks if amount of item being dropped is higher than 1 and if so cap it to 1 and store the value of how much it was */ +int my_pc_dropitem_pre(struct map_session_data *sd,int *n,int *amount) { + my_pc_dropitem_storage = 0; + if( *amount > 1 ) { + my_pc_dropitem_storage = *amount; + *amount = 1; + } + return 0; +} +/* postHook receive retVal as the first param, allows posthook to act accordingly to whatever the original was going to return */ +int my_pc_dropitem_post(int retVal, struct map_session_data *sd,int *n,int *amount) { + if( retVal != 1 ) return retVal;/* we don't do anything if pc_dropitem didn't return 1 (success) */ + if( my_pc_dropitem_storage ) {/* signs whether pre-hook did this */ + char output[99]; + snprintf(output,99,"[ Warning ] you can only drop 1 item at a time, capped from %d to 1",my_pc_dropitem_storage); + clif->colormes(sd->fd,COLOR_RED,output); + } + return 1; +} /* run when server starts */ HPExport void plugin_init (void) { char *server_type; @@ -103,6 +123,7 @@ HPExport void plugin_init (void) { /* map-server interfaces */ script = GET_SYMBOL("script"); clif = GET_SYMBOL("clif"); + pc = GET_SYMBOL("pc"); /* session[] */ session = GET_SYMBOL("session"); @@ -132,7 +153,16 @@ HPExport void plugin_init (void) { if( HPMi->addPacket != NULL ) {//link our 'sample' packet to map-server HPMi->addPacket(0xf3,-1,sample_packet0f3,hpClif_Parse,HPMi->pid); } - + + /* in this sample we add a PreHook to pc->dropitem */ + /* to identify whether the item being dropped is on amount higher than 1 */ + /* if so, it stores the amount on a variable (my_pc_dropitem_storage) and changes the amount to 1 */ + addHookPre("pc->dropitem",my_pc_dropitem_pre); + /* in this sample we add a PostHook to pc->dropitem */ + /* if the original pc->dropitem was successful and the amount stored on my_pc_dropitem_storage is higher than 1, */ + /* our posthook will display a message to the user about the cap */ + /* - by checking whether it was successful (retVal value) it allows for the originals conditions to take place */ + addHookPost("pc->dropitem",my_pc_dropitem_post); } /* run when server is ready (online) */ HPExport void server_online (void) { |