rathena/src/map/chat.c

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// Copyright (c) Athena Dev Teams - Licensed under GNU GPL
// For more information, see LICENCE in the main folder
#include "../common/cbasetypes.h"
#include "../common/malloc.h"
#include "../common/nullpo.h"
#include "../common/showmsg.h"
#include "../common/strlib.h"
#include "atcommand.h" // msg_txt()
#include "battle.h" // struct battle_config
#include "clif.h"
#include "map.h"
#include "npc.h" // npc_event_do()
#include "pc.h"
#include "chat.h"
#include <stdio.h>
#include <string.h>
int chat_triggerevent(struct chat_data *cd); // forward declaration
/// Initializes a chatroom object (common functionality for both pc and npc chatrooms).
/// Returns a chatroom object on success, or NULL on failure.
static struct chat_data* chat_createchat(struct block_list* bl, const char* title, const char* pass, int limit, bool pub, int trigger, const char* ev)
{
struct chat_data* cd;
nullpo_retr(NULL, bl);
cd = (struct chat_data *) aMalloc(sizeof(struct chat_data));
safestrncpy(cd->title, title, sizeof(cd->title));
safestrncpy(cd->pass, pass, sizeof(cd->pass));
cd->pub = pub;
cd->users = 0;
cd->limit = min(limit, ARRAYLENGTH(cd->usersd));
cd->trigger = trigger;
memset(cd->usersd, 0, sizeof(cd->usersd));
cd->owner = bl;
safestrncpy(cd->npc_event, ev, sizeof(cd->npc_event));
cd->bl.m = bl->m;
cd->bl.x = bl->x;
cd->bl.y = bl->y;
cd->bl.type = BL_CHAT;
cd->bl.next = cd->bl.prev = NULL;
cd->bl.id = map_addobject(&cd->bl);
if( cd->bl.id == 0 )
{
aFree(cd);
cd = NULL;
}
return cd;
}
/*==========================================
* player chatroom creation
*------------------------------------------*/
int chat_createpcchat(struct map_session_data* sd, const char* title, const char* pass, int limit, bool pub)
{
struct chat_data* cd;
nullpo_retr(0, sd);
if( sd->chatID )
return 0; //Prevent people abusing the chat system by creating multiple chats, as pointed out by End of Exam. [Skotlex]
if( map[sd->bl.m].flag.nochat )
{
clif_displaymessage(sd->fd, msg_txt(281));
return 0; //Can't create chatrooms on this map.
}
if( map_getcell(sd->bl.m,sd->bl.x,sd->bl.y,CELL_CHKNOCHAT) )
{
clif_displaymessage (sd->fd, "Can't create chat rooms in this Area.");
return 0;
}
pc_stop_walking(sd,1);
cd = chat_createchat(&sd->bl, title, pass, limit, pub, 0, "");
if( cd )
{
cd->users = 1;
cd->usersd[0] = sd;
pc_setchatid(sd,cd->bl.id);
clif_createchat(sd,0);
clif_dispchat(cd,0);
}
else
clif_createchat(sd,1);
return 0;
}
/*==========================================
* join an existing chatroom
*------------------------------------------*/
int chat_joinchat(struct map_session_data* sd, int chatid, const char* pass)
{
struct chat_data* cd;
nullpo_retr(0, sd);
cd = (struct chat_data*)map_id2bl(chatid);
if( cd == NULL || cd->bl.type != BL_CHAT || cd->bl.m != sd->bl.m || sd->vender_id || sd->chatID || cd->users >= cd->limit )
{
clif_joinchatfail(sd,0);
return 0;
}
if( !cd->pub && strncmp(pass, cd->pass, sizeof(cd->pass)) != 0 && !(battle_config.gm_join_chat && pc_isGM(sd) >= battle_config.gm_join_chat) )
{
clif_joinchatfail(sd,1);
return 0;
}
pc_stop_walking(sd,1);
cd->usersd[cd->users] = sd;
cd->users++;
pc_setchatid(sd,cd->bl.id);
clif_joinchatok(sd,cd); // <20>V<EFBFBD><56><EFBFBD>ɎQ<C98E><51><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>l<EFBFBD>ɂ͑S<CD91><53><EFBFBD>̃<EFBFBD><CC83>X<EFBFBD>g
clif_addchat(cd,sd); // <20><><EFBFBD>ɒ<EFBFBD><C992>ɋ<EFBFBD><C98B><EFBFBD><EFBFBD>l<EFBFBD>ɂ͒lj<CD92><C789><EFBFBD><EFBFBD><EFBFBD><EFBFBD>l<EFBFBD>̕<EFBFBD><CC95><EFBFBD>
clif_dispchat(cd,0); // <20><><EFBFBD>͂̐l<CC90>ɂ͐l<CD90><6C><EFBFBD>ω<EFBFBD><CF89><EFBFBD><EFBFBD><EFBFBD>
chat_triggerevent(cd); // <20>C<EFBFBD>x<EFBFBD><78><EFBFBD>g
return 0;
}
/*==========================================
* leave a chatroom
*------------------------------------------*/
int chat_leavechat(struct map_session_data* sd, bool kicked)
{
struct chat_data* cd;
int i;
int leavechar;
nullpo_retr(1, sd);
cd = (struct chat_data*)map_id2bl(sd->chatID);
if( cd == NULL )
{
pc_setchatid(sd, 0);
return 1;
}
ARR_FIND( 0, cd->users, i, cd->usersd[i] == sd );
if ( i == cd->users )
{ // Not found in the chatroom?
pc_setchatid(sd, 0);
return -1;
}
clif_leavechat(cd, sd, kicked);
pc_setchatid(sd, 0);
cd->users--;
leavechar = i;
for( i = leavechar; i < cd->users; i++ )
cd->usersd[i] = cd->usersd[i+1];
if( cd->users == 0 && cd->owner->type == BL_PC )
{ // Delete empty chatroom
clif_clearchat(cd, 0);
map_delobject(cd->bl.id);
return 1;
}
if( leavechar == 0 && cd->owner->type == BL_PC )
{ // Set and announce new owner
cd->owner = (struct block_list*) cd->usersd[0];
clif_changechatowner(cd, cd->usersd[0]);
clif_clearchat(cd, 0);
//Adjust Chat location after owner has been changed.
map_delblock( &cd->bl );
cd->bl.x=cd->usersd[0]->bl.x;
cd->bl.y=cd->usersd[0]->bl.y;
map_addblock( &cd->bl );
clif_dispchat(cd,0);
}
else
clif_dispchat(cd,0); // refresh chatroom
return 0;
}
/*==========================================
* change a chatroom's owner
*------------------------------------------*/
int chat_changechatowner(struct map_session_data* sd, const char* nextownername)
{
struct chat_data* cd;
struct map_session_data* tmpsd;
int i;
nullpo_retr(1, sd);
cd = (struct chat_data*)map_id2bl(sd->chatID);
if( cd == NULL || (struct block_list*) sd != cd->owner )
return 1;
ARR_FIND( 1, cd->users, i, strncmp(cd->usersd[i]->status.name, nextownername, NAME_LENGTH) == 0 );
if( i == cd->users )
return -1; // name not found
// erase temporarily
clif_clearchat(cd,0);
// set new owner
cd->owner = (struct block_list*) cd->usersd[i];
clif_changechatowner(cd,cd->usersd[i]);
// swap the old and new owners' positions
tmpsd = cd->usersd[i];
cd->usersd[i] = cd->usersd[0];
cd->usersd[0] = tmpsd;
// set the new chatroom position
map_delblock( &cd->bl );
cd->bl.x = cd->owner->x;
cd->bl.y = cd->owner->y;
map_addblock( &cd->bl );
// and display again
clif_dispchat(cd,0);
return 0;
}
/*==========================================
* change a chatroom's status (title, etc)
*------------------------------------------*/
int chat_changechatstatus(struct map_session_data* sd, const char* title, const char* pass, int limit, bool pub)
{
struct chat_data* cd;
nullpo_retr(1, sd);
cd = (struct chat_data*)map_id2bl(sd->chatID);
if( cd==NULL || (struct block_list *)sd != cd->owner )
return 1;
safestrncpy(cd->title, title, CHATROOM_TITLE_SIZE);
safestrncpy(cd->pass, pass, CHATROOM_PASS_SIZE);
cd->limit = min(limit, ARRAYLENGTH(cd->usersd));
cd->pub = pub;
clif_changechatstatus(cd);
clif_dispchat(cd,0);
return 0;
}
/*==========================================
* kick an user from a chatroom
*------------------------------------------*/
int chat_kickchat(struct map_session_data* sd, const char* kickusername)
{
struct chat_data* cd;
int i;
nullpo_retr(1, sd);
cd = (struct chat_data *)map_id2bl(sd->chatID);
if( cd==NULL || (struct block_list *)sd != cd->owner )
return -1;
ARR_FIND( 0, cd->users, i, strncmp(cd->usersd[i]->status.name, kickusername, NAME_LENGTH) == 0 );
if( i == cd->users )
return -1;
if( battle_config.gm_kick_chat && pc_isGM(cd->usersd[i]) >= battle_config.gm_kick_chat )
return 0; //gm kick protection [Valaris]
chat_leavechat(cd->usersd[i],1);
return 0;
}
/// Creates a chat room for the npc.
int chat_createnpcchat(struct npc_data* nd, const char* title, int limit, bool pub, int trigger, const char* ev)
{
struct chat_data* cd;
nullpo_retr(0, nd);
if( nd->chat_id )
{
ShowError("chat_createnpcchat: npc '%s' already has a chatroom, cannot create new one!\n", nd->exname);
return 0;
}
cd = chat_createchat(&nd->bl, title, "", limit, pub, trigger, ev);
if( cd )
{
nd->chat_id = cd->bl.id;
clif_dispchat(cd,0);
}
return 0;
}
/// Removes the chatroom from the npc.
int chat_deletenpcchat(struct npc_data* nd)
{
struct chat_data *cd;
nullpo_retr(0, nd);
cd = (struct chat_data*)map_id2bl(nd->chat_id);
if( cd == NULL )
return 0;
chat_npckickall(cd);
clif_clearchat(cd, 0);
map_delobject(cd->bl.id); // free<65>܂ł<DC82><C582>Ă<EFBFBD><C482><EFBFBD><EFBFBD><EFBFBD>
nd->chat_id = 0;
return 0;
}
/*==========================================
* <20>K<EFBFBD><4B><EFBFBD>l<EFBFBD><6C><EFBFBD>ȏ<EFBFBD><C88F>ŃC<C583>x<EFBFBD><78><EFBFBD>g<EFBFBD><67><EFBFBD><EFBFBD><EFBFBD>`<60><><EFBFBD><EFBFBD><EFBFBD>Ă<EFBFBD><C482>Ȃ<EFBFBD><C882><EFBFBD><EFBFBD>s
*------------------------------------------*/
int chat_triggerevent(struct chat_data *cd)
{
nullpo_retr(0, cd);
if( cd->users >= cd->trigger && cd->npc_event[0] )
npc_event_do(cd->npc_event);
return 0;
}
/// Enables the event of the chat room.
/// At most, 127 users are needed to trigger the event.
int chat_enableevent(struct chat_data* cd)
{
nullpo_retr(0, cd);
cd->trigger &= 0x7f;
chat_triggerevent(cd);
return 0;
}
/// Disables the event of the chat room
int chat_disableevent(struct chat_data* cd)
{
nullpo_retr(0, cd);
cd->trigger |= 0x80;
return 0;
}
/// Kicks all the users from the chat room.
int chat_npckickall(struct chat_data* cd)
{
nullpo_retr(0, cd);
while( cd->users > 0 )
chat_leavechat(cd->usersd[cd->users-1],0);
return 0;
}