From 620e60eebce2c1f35c5c9a82f6ca365b316587f5 Mon Sep 17 00:00:00 2001 From: Valaris Date: Sun, 29 Jan 2006 16:10:48 +0000 Subject: AS OF SVN REV. 5901, WE ARE NOW USING TRUNK. ALL UNTESTED BUGFIXES/FEATURES GO INTO TRUNK. IF YOU HAVE A WORKING AND TESTED BUGFIX PUT IT INTO STABLE AS WELL AS TRUNK. EVERYTHING ELSE GOES INTO TRUNK AND WILL BE MERGED INTO STABLE BY VALARIS AND WIZPUTER. -- VALARIS git-svn-id: https://rathena.svn.sourceforge.net/svnroot/rathena/trunk@5094 54d463be-8e91-2dee-dedb-b68131a5f0ec --- src/map/npc_chat.c | 519 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 519 insertions(+) create mode 100644 src/map/npc_chat.c (limited to 'src/map/npc_chat.c') diff --git a/src/map/npc_chat.c b/src/map/npc_chat.c new file mode 100644 index 000000000..6c5b513e8 --- /dev/null +++ b/src/map/npc_chat.c @@ -0,0 +1,519 @@ +// Copyright (c) Athena Dev Teams - Licensed under GNU GPL +// For more information, see LICENCE in the main folder + +#ifdef PCRE_SUPPORT + +#include +#include +#include +#include +#include +#ifdef __WIN32 +#define __USE_W32_SOCKETS +#include +#else +#include +#include +#include +#include +#include +#endif +#include + +#include "../common/timer.h" +#include "../common/malloc.h" +#include "../common/version.h" +#include "../common/nullpo.h" +#include "../common/showmsg.h" + +#include "map.h" +#include "status.h" +#include "npc.h" +#include "chat.h" +#include "script.h" +#include "battle.h" + +#include "pcre.h" + +/** + * Written by MouseJstr in a vision... (2/21/2005) + * + * This allows you to make npc listen for spoken text (global + * messages) and pattern match against that spoken text using perl + * regular expressions. + * + * Please feel free to copy this code into your own personal ragnarok + * servers or distributions but please leave my name. Also, please + * wait until I've put it into the main eA branch which means I + * believe it is ready for distribution. + * + * So, how do people use this? + * + * The first and most important function is defpattern + * + * defpattern 1, "[^:]+: (.*) loves (.*)", "label"; + * + * this defines a new pattern in set 1 using perl syntax + * (http://www.troubleshooters.com/codecorn/littperl/perlreg.htm) + * and tells it to jump to the supplied label when the pattern + * is matched. + * + * each of the matched Groups will result in a variable being + * set ($p1$ through $p9$ with $p0$ being the entire string) + * before the script gets executed. + * + * activatepset 1; + * + * This activates a set of patterns.. You can have many pattern + * sets defined and many active all at once. This feature allows + * you to set up "conversations" and ever changing expectations of + * the pattern matcher + * + * deactivatepset 1; + * + * turns off a pattern set; + * + * deactivatepset -1; + * + * turns off ALL pattern sets; + * + * deletepset 1; + * + * deletes a pset + */ + +/* Structure containing all info associated with a single pattern + block */ + +struct pcrematch_entry { + struct pcrematch_entry *next_; + char *pattern_; + pcre *pcre_; + pcre_extra *pcre_extra_; + char *label_; +}; + +/* A set of patterns that can be activated and deactived with a single + command */ + +struct pcrematch_set { + struct pcrematch_set *next_, *prev_; + struct pcrematch_entry *head_; + int setid_; +}; + +/* + * Entire data structure hung off a NPC + * + * The reason I have done it this way (a void * in npc_data and then + * this) was to reduce the number of patches that needed to be applied + * to a ragnarok distribution to bring this code online. I + * also wanted people to be able to grab this one file to get updates + * without having to do a large number of changes. + */ + +struct npc_parse { + struct pcrematch_set *active_; + struct pcrematch_set *inactive_; +}; + + +/** + * delete everythign associated with a entry + * + * This does NOT do the list management + */ + +void finalize_pcrematch_entry(struct pcrematch_entry *e) { +//TODO: For some odd reason this causes a already-free'd error under Windows, but not *nix! [Skotlex] +#ifndef _WIN32 + if (e->pcre_) { + free(e->pcre_); + e->pcre_ = NULL; + } +#endif + if (e->pcre_extra_) { + free(e->pcre_extra_); + e->pcre_ = NULL; + } + aFree(e->pattern_); + aFree(e->label_); +} + +/** + * Lookup (and possibly create) a new set of patterns by the set id + */ +static struct pcrematch_set * lookup_pcreset(struct npc_data *nd,int setid) +{ + struct pcrematch_set *pcreset; + struct npc_parse *npcParse = (struct npc_parse *) nd->chatdb; + if (npcParse == NULL) + nd->chatdb = npcParse = (struct npc_parse *) + aCalloc(sizeof(struct npc_parse), 1); + + pcreset = npcParse->active_; + + while (pcreset != NULL) { + if (pcreset->setid_ == setid) + break; + pcreset = pcreset->next_; + } + if (pcreset == NULL) + pcreset = npcParse->inactive_; + + while (pcreset != NULL) { + if (pcreset->setid_ == setid) + break; + pcreset = pcreset->next_; + } + + if (pcreset == NULL) { + pcreset = (struct pcrematch_set *) + aCalloc(sizeof(struct pcrematch_set), 1); + pcreset->next_ = npcParse->inactive_; + if (pcreset->next_ != NULL) + pcreset->next_->prev_ = pcreset; + pcreset->prev_ = 0; + npcParse->inactive_ = pcreset; + pcreset->setid_ = setid; + } + + return pcreset; +} + +/** + * activate a set of patterns. + * + * if the setid does not exist, this will silently return + */ + +static void activate_pcreset(struct npc_data *nd,int setid) { + struct pcrematch_set *pcreset; + struct npc_parse *npcParse = (struct npc_parse *) nd->chatdb; + if (npcParse == NULL) + return; // Nothing to activate... + pcreset = npcParse->inactive_; + while (pcreset != NULL) { + if (pcreset->setid_ == setid) + break; + pcreset = pcreset->next_; + } + if (pcreset == NULL) + return; // not in inactive list + if (pcreset->next_ != NULL) + pcreset->next_->prev_ = pcreset->prev_; + if (pcreset->prev_ != NULL) + pcreset->prev_->next_ = pcreset->next_; + else + npcParse->inactive_ = pcreset->next_; + + pcreset->prev_ = NULL; + pcreset->next_ = npcParse->active_; + if (pcreset->next_ != NULL) + pcreset->next_->prev_ = pcreset; + npcParse->active_ = pcreset; +} + +/** + * deactivate a set of patterns. + * + * if the setid does not exist, this will silently return + */ + +static void deactivate_pcreset(struct npc_data *nd,int setid) { + struct pcrematch_set *pcreset; + struct npc_parse *npcParse = (struct npc_parse *) nd->chatdb; + if (npcParse == NULL) + return; // Nothing to deactivate... + if (setid == -1) { + while(npcParse->active_ != NULL) + deactivate_pcreset(nd, npcParse->active_->setid_); + return; + } + pcreset = npcParse->active_; + while (pcreset != NULL) { + if (pcreset->setid_ == setid) + break; + pcreset = pcreset->next_; + } + if (pcreset == NULL) + return; // not in active list + if (pcreset->next_ != NULL) + pcreset->next_->prev_ = pcreset->prev_; + if (pcreset->prev_ != NULL) + pcreset->prev_->next_ = pcreset->next_; + else + npcParse->active_ = pcreset->next_; + + pcreset->prev_ = NULL; + pcreset->next_ = npcParse->inactive_; + if (pcreset->next_ != NULL) + pcreset->next_->prev_ = pcreset; + npcParse->inactive_ = pcreset; +} + +/** + * delete a set of patterns. + */ +static void delete_pcreset(struct npc_data *nd,int setid) { + int active = 1; + struct pcrematch_set *pcreset; + struct npc_parse *npcParse = (struct npc_parse *) nd->chatdb; + if (npcParse == NULL) + return; // Nothing to deactivate... + pcreset = npcParse->active_; + while (pcreset != NULL) { + if (pcreset->setid_ == setid) + break; + pcreset = pcreset->next_; + } + if (pcreset == NULL) { + active = 0; + pcreset = npcParse->inactive_; + while (pcreset != NULL) { + if (pcreset->setid_ == setid) + break; + pcreset = pcreset->next_; + } + } + if (pcreset == NULL) + return; + + if (pcreset->next_ != NULL) + pcreset->next_->prev_ = pcreset->prev_; + if (pcreset->prev_ != NULL) + pcreset->prev_->next_ = pcreset->next_; + + if(active) + npcParse->active_ = pcreset->next_; + else + npcParse->inactive_ = pcreset->next_; + + pcreset->prev_ = NULL; + pcreset->next_ = NULL; + + while (pcreset->head_) { + struct pcrematch_entry *n = pcreset->head_->next_; + finalize_pcrematch_entry(pcreset->head_); + aFree(pcreset->head_); // Cleanin' the last ones.. [Lance] + pcreset->head_ = n; + } + + aFree(pcreset); +} + +/** + * create a new pattern entry + */ +static struct pcrematch_entry *create_pcrematch_entry(struct pcrematch_set * set) { + struct pcrematch_entry * e = (struct pcrematch_entry *) + aCalloc(sizeof(struct pcrematch_entry), 1); + struct pcrematch_entry * last = set->head_; + + // Normally we would have just stuck it at the end of the list but + // this doesn't sink up with peoples usage pattern. They wanted + // the items defined first to have a higher priority then the + // items defined later.. as a result, we have to do some work up + // front.. + + /* if we are the first pattern, stick us at the end */ + if (last == NULL) { + set->head_ = e; + return e; + } + + /* Look for the last entry */ + while (last->next_ != NULL) + last = last->next_; + + last->next_ = e; + e->next_ = NULL; + + return e; +} + +/** + * define/compile a new pattern + */ + +void npc_chat_def_pattern(struct npc_data *nd, int setid, + const char *pattern, const char *label) +{ + const char *err; + int erroff; + + struct pcrematch_set * s = lookup_pcreset(nd, setid); + struct pcrematch_entry *e = create_pcrematch_entry(s); + e->pattern_ = aStrdup(pattern); + e->label_ = aStrdup(label); + e->pcre_ = pcre_compile(pattern, PCRE_CASELESS, &err, &erroff, NULL); + e->pcre_extra_ = pcre_study(e->pcre_, 0, &err); +} + +/** + * Delete everything associated with a NPC concerning the pattern + * matching code + * + * this could be more efficent but.. how often do you do this? + */ +void npc_chat_finalize(struct npc_data *nd) +{ + struct npc_parse *npcParse = (struct npc_parse *) nd->chatdb; + if (npcParse == NULL) + return; + + while(npcParse->active_) + delete_pcreset(nd, npcParse->active_->setid_); + + while(npcParse->inactive_) + delete_pcreset(nd, npcParse->inactive_->setid_); + + // Additional cleaning up [Lance] + aFree(npcParse); +} + +/** + * Handler called whenever a global message is spoken in a NPC's area + */ +int npc_chat_sub(struct block_list *bl, va_list ap) +{ + struct npc_data *nd = (struct npc_data *)bl; + struct npc_parse *npcParse = (struct npc_parse *) nd->chatdb; + unsigned char *msg; + int len, pos, i; + struct map_session_data *sd; + struct npc_label_list *lst; + struct pcrematch_set *pcreset; + + // Not interested in anything you might have to say... + if (npcParse == NULL || npcParse->active_ == NULL) + return 0; + + msg = va_arg(ap,unsigned char*); + len = va_arg(ap,int); + sd = va_arg(ap,struct map_session_data *); + + // grab the active list + pcreset = npcParse->active_; + + // interate across all active sets + while (pcreset != NULL) { + struct pcrematch_entry *e = pcreset->head_; + // interate across all patterns in that set + while (e != NULL) { + int offsets[20]; + char buf[255]; + // perform pattern match + int r = pcre_exec(e->pcre_, e->pcre_extra_, msg, len, 0, + 0, offsets, sizeof(offsets) / sizeof(offsets[0])); + if (r >= 0) { + // save out the matched strings + switch (r) { + case 10: + memcpy(buf, &msg[offsets[18]], offsets[19]); + buf[offsets[19]] = '\0'; + set_var(sd, "$p9$", buf); + case 9: + memcpy(buf, &msg[offsets[16]], offsets[17]); + buf[offsets[17]] = '\0'; + set_var(sd, "$p8$", buf); + case 8: + memcpy(buf, &msg[offsets[14]], offsets[15]); + buf[offsets[15]] = '\0'; + set_var(sd, "$p7$", buf); + case 7: + memcpy(buf, &msg[offsets[12]], offsets[13]); + buf[offsets[13]] = '\0'; + set_var(sd, "$p6$", buf); + case 6: + memcpy(buf, &msg[offsets[10]], offsets[11]); + buf[offsets[11]] = '\0'; + set_var(sd, "$p5$", buf); + case 5: + memcpy(buf, &msg[offsets[8]], offsets[9]); + buf[offsets[9]] = '\0'; + set_var(sd, "$p4$", buf); + case 4: + memcpy(buf, &msg[offsets[6]], offsets[7]); + buf[offsets[7]] = '\0'; + set_var(sd, "$p3$", buf); + case 3: + memcpy(buf, &msg[offsets[4]], offsets[5]); + buf[offsets[5]] = '\0'; + set_var(sd, "$p2$", buf); + case 2: + memcpy(buf, &msg[offsets[2]], offsets[3]); + buf[offsets[3]] = '\0'; + set_var(sd, "$p1$", buf); + case 1: + memcpy(buf, &msg[offsets[0]], offsets[1]); + buf[offsets[1]] = '\0'; + set_var(sd, "$p0$", buf); + } + + // find the target label.. this sucks.. + lst=nd->u.scr.label_list; + pos = -1; + for (i = 0; i < nd->u.scr.label_list_num; i++) { + if (strncmp(lst[i].name, e->label_, sizeof(lst[i].name)) == 0) { + pos = lst[i].pos; + break; + } + } + if (pos == -1) { + ShowWarning("Unable to find label: %s", e->label_); + // unable to find label... do something.. + return 0; + } + // run the npc script + run_script(nd->u.scr.script,pos,sd->bl.id,nd->bl.id); + return 0; + } + e = e->next_; + } + pcreset = pcreset->next_; + } + + return 0; +} + +// Various script builtins used to support these functions + +int buildin_defpattern(struct script_state *st) { + int setid=conv_num(st,& (st->stack->stack_data[st->start+2])); + char *pattern=conv_str(st,& (st->stack->stack_data[st->start+3])); + char *label=conv_str(st,& (st->stack->stack_data[st->start+4])); + struct npc_data *nd=(struct npc_data *)map_id2bl(st->oid); + + npc_chat_def_pattern(nd, setid, pattern, label); + + return 0; +} + +int buildin_activatepset(struct script_state *st) { + int setid=conv_num(st,& (st->stack->stack_data[st->start+2])); + struct npc_data *nd=(struct npc_data *)map_id2bl(st->oid); + + activate_pcreset(nd, setid); + + return 0; +} +int buildin_deactivatepset(struct script_state *st) { + int setid=conv_num(st,& (st->stack->stack_data[st->start+2])); + struct npc_data *nd=(struct npc_data *)map_id2bl(st->oid); + + deactivate_pcreset(nd, setid); + + return 0; +} +int buildin_deletepset(struct script_state *st) { + int setid=conv_num(st,& (st->stack->stack_data[st->start+2])); + struct npc_data *nd=(struct npc_data *)map_id2bl(st->oid); + + delete_pcreset(nd, setid); + + return 0; +} + + +#endif -- cgit v1.2.3-70-g09d2