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// Copyright (c) Hercules Dev Team, licensed under GNU GPL.
// See the LICENSE file
// Portions Copyright (c) Athena Dev Teams
#include "../common/mmo.h"
#include "../common/db.h"
#include "../common/malloc.h"
#include "../common/showmsg.h"
#include "../common/socket.h"
#include "../common/strlib.h"
#include "../common/sql.h"
#include "../common/timer.h"
#include "char.h"
#include "inter.h"
#include "int_quest.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
/**
* Loads the entire questlog for a character.
*
* @param char_id Character ID
* @param count Pointer to return the number of found entries.
* @return Array of found entries. It has *count entries, and it is care of the
* caller to aFree() it afterwards.
*/
struct quest *mapif_quests_fromsql(int char_id, int *count) {
struct quest *questlog = NULL;
struct quest tmp_quest;
SqlStmt *stmt;
if (!count)
return NULL;
stmt = SQL->StmtMalloc(sql_handle);
if (stmt == NULL) {
SqlStmt_ShowDebug(stmt);
*count = 0;
return NULL;
}
memset(&tmp_quest, 0, sizeof(struct quest));
if (SQL_ERROR == SQL->StmtPrepare(stmt, "SELECT `quest_id`, `state`, `time`, `count1`, `count2`, `count3` FROM `%s` WHERE `char_id`=?", quest_db)
|| SQL_ERROR == SQL->StmtBindParam(stmt, 0, SQLDT_INT, &char_id, 0)
|| SQL_ERROR == SQL->StmtExecute(stmt)
|| SQL_ERROR == SQL->StmtBindColumn(stmt, 0, SQLDT_INT, &tmp_quest.quest_id, 0, NULL, NULL)
|| SQL_ERROR == SQL->StmtBindColumn(stmt, 1, SQLDT_INT, &tmp_quest.state, 0, NULL, NULL)
|| SQL_ERROR == SQL->StmtBindColumn(stmt, 2, SQLDT_UINT, &tmp_quest.time, 0, NULL, NULL)
|| SQL_ERROR == SQL->StmtBindColumn(stmt, 3, SQLDT_INT, &tmp_quest.count[0], 0, NULL, NULL)
|| SQL_ERROR == SQL->StmtBindColumn(stmt, 4, SQLDT_INT, &tmp_quest.count[1], 0, NULL, NULL)
|| SQL_ERROR == SQL->StmtBindColumn(stmt, 5, SQLDT_INT, &tmp_quest.count[2], 0, NULL, NULL)
) {
SqlStmt_ShowDebug(stmt);
SQL->StmtFree(stmt);
*count = 0;
return NULL;
}
*count = (int)SQL->StmtNumRows(stmt);
if (*count > 0) {
int i = 0;
questlog = (struct quest *)aCalloc(*count, sizeof(struct quest));
while (SQL_SUCCESS == SQL->StmtNextRow(stmt)) {
if (i >= *count) // Sanity check, should never happen
break;
memcpy(&questlog[i++], &tmp_quest, sizeof(tmp_quest));
}
if (i < *count) {
// Should never happen. Compact array
*count = i;
questlog = aRealloc(questlog, sizeof(struct quest)*i);
}
}
SQL->StmtFree(stmt);
return questlog;
}
/**
* Deletes a quest from a character's questlog.
*
* @param char_id Character ID
* @param quest_id Quest ID
* @return false in case of errors, true otherwise
*/
bool mapif_quest_delete(int char_id, int quest_id) {
if (SQL_ERROR == SQL->Query(sql_handle, "DELETE FROM `%s` WHERE `quest_id` = '%d' AND `char_id` = '%d'", quest_db, quest_id, char_id)) {
Sql_ShowDebug(sql_handle);
return false;
}
return true;
}
/**
* Adds a quest to a character's questlog.
*
* @param char_id Character ID
* @param qd Quest data
* @return false in case of errors, true otherwise
*/
bool mapif_quest_add(int char_id, struct quest qd) {
if (SQL_ERROR == SQL->Query(sql_handle, "INSERT INTO `%s`(`quest_id`, `char_id`, `state`, `time`, `count1`, `count2`, `count3`) "
"VALUES ('%d', '%d', '%d','%d', '%d', '%d', '%d')",
quest_db, qd.quest_id, char_id, qd.state, qd.time, qd.count[0], qd.count[1], qd.count[2])
) {
Sql_ShowDebug(sql_handle);
return false;
}
return true;
}
/**
* Updates a quest in a character's questlog.
*
* @param char_id Character ID
* @param qd Quest data
* @return false in case of errors, true otherwise
*/
bool mapif_quest_update(int char_id, struct quest qd) {
if (SQL_ERROR == SQL->Query(sql_handle, "UPDATE `%s` SET `state`='%d', `count1`='%d', `count2`='%d', `count3`='%d' "
"WHERE `quest_id` = '%d' AND `char_id` = '%d'",
quest_db, qd.state, qd.count[0], qd.count[1], qd.count[2], qd.quest_id, char_id)
) {
Sql_ShowDebug(sql_handle);
return false;
}
return true;
}
/**
* Handles the save request from mapserver for a character's questlog.
*
* Received quests are saved, and an ack is sent back to the map server.
*
* @see inter_parse_frommap
*/
int mapif_parse_quest_save(int fd) {
int i, j, k, old_n, new_n = (RFIFOW(fd,2)-8)/sizeof(struct quest);
int char_id = RFIFOL(fd,4);
struct quest *old_qd = NULL, *new_qd = NULL;
bool success = true;
if (new_n)
new_qd = (struct quest*)RFIFOP(fd,8);
old_qd = mapif_quests_fromsql(char_id, &old_n);
for (i = 0; i < new_n; i++) {
ARR_FIND( 0, old_n, j, new_qd[i].quest_id == old_qd[j].quest_id );
if (j < old_n) {
// Update existing quests
// Only states and counts are changable.
ARR_FIND( 0, MAX_QUEST_OBJECTIVES, k, new_qd[i].count[k] != old_qd[j].count[k] );
if (k != MAX_QUEST_OBJECTIVES || new_qd[i].state != old_qd[j].state)
success &= mapif_quest_update(char_id, new_qd[i]);
if (j < (--old_n)) {
// Compact array
memmove(&old_qd[j],&old_qd[j+1],sizeof(struct quest)*(old_n-j));
memset(&old_qd[old_n], 0, sizeof(struct quest));
}
} else {
// Add new quests
success &= mapif_quest_add(char_id, new_qd[i]);
}
}
for (i = 0; i < old_n; i++) // Quests not in new_qd but in old_qd are to be erased.
success &= mapif_quest_delete(char_id, old_qd[i].quest_id);
if (old_qd)
aFree(old_qd);
// Send ack
WFIFOHEAD(fd,7);
WFIFOW(fd,0) = 0x3861;
WFIFOL(fd,2) = char_id;
WFIFOB(fd,6) = success?1:0;
WFIFOSET(fd,7);
return 0;
}
/**
* Sends questlog to the map server
*
* Note: Completed quests (state == Q_COMPLETE) are guaranteed to be sent last
* and the map server relies on this behavior (once the first Q_COMPLETE quest,
* all of them are considered to be Q_COMPLETE)
*
* @see inter_parse_frommap
*/
int mapif_parse_quest_load(int fd) {
int char_id = RFIFOL(fd,2);
struct quest *tmp_questlog = NULL;
int num_quests;
tmp_questlog = mapif_quests_fromsql(char_id, &num_quests);
WFIFOHEAD(fd,num_quests*sizeof(struct quest)+8);
WFIFOW(fd,0) = 0x3860;
WFIFOW(fd,2) = num_quests*sizeof(struct quest)+8;
WFIFOL(fd,4) = char_id;
if (num_quests > 0)
memcpy(WFIFOP(fd,8), tmp_questlog, sizeof(struct quest)*num_quests);
WFIFOSET(fd,num_quests*sizeof(struct quest)+8);
if (tmp_questlog)
aFree(tmp_questlog);
return 0;
}
/**
* Parses questlog related packets from the map server.
*
* @see inter_parse_frommap
*/
int inter_quest_parse_frommap(int fd) {
switch(RFIFOW(fd,0)) {
case 0x3060: mapif_parse_quest_load(fd); break;
case 0x3061: mapif_parse_quest_save(fd); break;
default:
return 0;
}
return 1;
}
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