summaryrefslogtreecommitdiff
path: root/src/map/achievement.c
blob: fe2c685b5e1a880d8780e03eaab3aa8b77dac84c (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
/**
* This file is part of Hercules.
* http://herc.ws - http://github.com/HerculesWS/Hercules
*
* Copyright (C) 2017  Hercules Dev Team
* Copyright (C) Smokexyz
* Copyright (C) Dastgir
*
* Hercules is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
#define HERCULES_CORE

#include "map/achievement.h"

#include "map/itemdb.h"
#include "map/mob.h"
#include "map/party.h"
#include "map/pc.h"
#include "map/script.h"

#include "common/conf.h"
#include "common/db.h"
#include "common/memmgr.h"
#include "common/nullpo.h"
#include "common/showmsg.h"
#include "common/strlib.h"

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

static struct achievement_interface achievement_s;
struct achievement_interface *achievement;

/**
 * Retrieve an achievement via it's ID.
 * @param aid as the achievement ID.
 * @return NULL or pointer to the achievement data.
 */
static const struct achievement_data *achievement_get(int aid)
{
	return (struct achievement_data *) idb_get(achievement->db, aid);
}

/**
 * Searches the provided achievement data for an achievement,
 * optionally creates a new one if no key exists.
 * @param[in] sd       a pointer to map_session_data.
 * @param[in] aid      ID of the achievement provided as key.
 * @param[in] create   new key creation flag.
 * @return pointer to the session's achievement data.
 */
static struct achievement *achievement_ensure(struct map_session_data *sd, const struct achievement_data *ad)
{
	struct achievement *s_ad = NULL;
	int i = 0;

	nullpo_retr(NULL, sd);
	nullpo_retr(NULL, ad);

	/* Lookup for achievement entry */
	ARR_FIND(0, VECTOR_LENGTH(sd->achievement), i, (s_ad = &VECTOR_INDEX(sd->achievement, i)) && s_ad->id == ad->id);

	if (i == VECTOR_LENGTH(sd->achievement)) {
		struct achievement ta = { 0 };
		ta.id = ad->id;

		VECTOR_ENSURE(sd->achievement, 1, 1);
		VECTOR_PUSH(sd->achievement, ta);

		s_ad = &VECTOR_LAST(sd->achievement);
	}

	return s_ad;
}

/**
 * Calculates the achievement's totals via reference.
 * @param[in] sd               pointer to map_session_data
 * @param[out] tota_points      pointer to total points var
 * @param[out] completed        pointer to total var
 * @param[out] rank             pointer to completed var
 * @param[out] curr_rank_points pointer to achievement rank var
 */
static void achievement_calculate_totals(const struct map_session_data *sd, int *total_points, int *completed, int *rank, int *curr_rank_points)
{
	const struct achievement *a = NULL;
	const struct achievement_data *ad = NULL;
	int tmp_curr_points = 0;
	int tmp_total_points = 0;
	int tmp_total_completed = 0;
	int tmp_rank = 0;
	int i = 0;

	nullpo_retv(sd);

	for (i = 0; i < VECTOR_LENGTH(sd->achievement); i++) {
		a = &VECTOR_INDEX(sd->achievement, i);

		if ((ad = achievement->get(a->id)) == NULL)
			continue;

		if (a->completed_at != 0) {
			tmp_total_points += ad->points;
			tmp_total_completed++;
		}
	}

	if (tmp_total_points > 0) {
		tmp_curr_points = tmp_total_points;
		for (i = 0; i < MAX_ACHIEVEMENT_RANKS
			 && tmp_curr_points >= VECTOR_INDEX(achievement->rank_exp, i)
			 && i < VECTOR_LENGTH(achievement->rank_exp); i++) {
			tmp_curr_points -= VECTOR_INDEX(achievement->rank_exp, i);
			tmp_rank++;
		}
	}

	if (total_points != NULL)
		*total_points = tmp_total_points;

	if (completed != NULL)
		*completed = tmp_total_completed;

	if (rank != NULL)
		*rank = tmp_rank;

	if (curr_rank_points != NULL)
		*curr_rank_points = tmp_curr_points;
}

/**
 * Checks whether all objectives of the achievement are completed.
 * @param[in] sd       as the map_session_data pointer
 * @param[in] ad       as the achievement_data pointer
 * @return true if complete, false if not.
 */
static bool achievement_check_complete(struct map_session_data *sd, const struct achievement_data *ad)
{
	int i;
	struct achievement *ach = NULL;

	nullpo_retr(false, sd);
	nullpo_retr(false, ad);

	if ((ach = achievement->ensure(sd, ad)) == NULL)
		return false;
	for (i = 0; i < VECTOR_LENGTH(ad->objective); i++)
		if (ach->objective[i] < VECTOR_INDEX(ad->objective, i).goal)
			return false;

	return true;
}

/**
 * Compares the progress of an objective against it's goal.
 * Increments the progress of the objective by the specified amount, towards the goal.
 * @param sd         [in] as a pointer to map_session_data
 * @param ad         [in] as a pointer to the achievement_data
 * @param obj_idx    [in] as the index of the objective.
 * @param progress   [in] as the progress of the objective to be added.
 */
static void achievement_progress_add(struct map_session_data *sd, const struct achievement_data *ad, unsigned int obj_idx, int progress)
{
	struct achievement *ach = NULL;

	nullpo_retv(sd);
	nullpo_retv(ad);

	Assert_retv(progress != 0);
	Assert_retv(obj_idx < VECTOR_LENGTH(ad->objective));

	if ((ach = achievement->ensure(sd, ad)) == NULL)
		return;

	if (ach->completed_at)
		return; // ignore the call if the achievement is completed.

	// Check and increment the objective count.
	if (!ach->objective[obj_idx] || ach->objective[obj_idx] < VECTOR_INDEX(ad->objective, obj_idx).goal) {
		ach->objective[obj_idx] = min(progress + ach->objective[obj_idx], VECTOR_INDEX(ad->objective, obj_idx).goal);

		// Check if the Achievement is complete.
		if (achievement->check_complete(sd, ad)) {
			achievement->validate_achieve(sd, ad->id);
			ach->completed_at = time(NULL);
		}

		// update client.
		clif->achievement_send_update(sd->fd, sd, ad);
	}
}

/**
 * Compare an absolute progress value against the goal of an objective.
 * Does not add/increase progress.
 * @param sd          [in] pointer to map-server session data.
 * @param ad          [in] pointer to achievement data.
 * @param obj_idx     [in] index of the objective in question.
 * @param progress  progress of the objective in question.
 */
static void achievement_progress_set(struct map_session_data *sd, const struct achievement_data *ad, unsigned int obj_idx, int progress)
{
	struct achievement *ach = NULL;

	nullpo_retv(sd);
	nullpo_retv(ad);

	Assert_retv(progress != 0);
	Assert_retv(obj_idx < VECTOR_LENGTH(ad->objective));

	if (progress >= VECTOR_INDEX(ad->objective, obj_idx).goal) {

		if ((ach = achievement->ensure(sd, ad)) == NULL)
			return;

		if (ach->completed_at)
			return;

		ach->objective[obj_idx] = VECTOR_INDEX(ad->objective, obj_idx).goal;

		if (achievement->check_complete(sd, ad)) {
			achievement->validate_achieve(sd, ad->id);
			ach->completed_at = time(NULL);
		}

		clif->achievement_send_update(sd->fd, sd, ad);
	}
}

/**
* Checks if the given criteria satisfies the achievement's objective.
* @param objective   [in] pointer to the achievement's objectives data.
* @param criteria    [in] pointer to the current session's criteria as a comparand.
* @return true if all criteria are satisfied, else false.
*/
static bool achievement_check_criteria(const struct achievement_objective *objective, const struct achievement_objective *criteria)
{
	int i = 0, j = 0;

	nullpo_retr(false, objective);
	nullpo_retr(false, criteria);

	/* Item Id */
	if (objective->unique_type == CRITERIA_UNIQUE_ITEM_ID && objective->unique.itemid != criteria->unique.itemid)
		return false;
	/* Weapon Level */
	else if (objective->unique_type == CRITERIA_UNIQUE_WEAPON_LV && objective->unique.weapon_lv != criteria->unique.weapon_lv)
		return false;
	/* Status Types */
	else if (objective->unique_type == CRITERIA_UNIQUE_STATUS_TYPE && objective->unique.status_type != criteria->unique.status_type)
		return false;
	/* Achievement Id */
	else if (objective->unique_type == CRITERIA_UNIQUE_ACHIEVE_ID && objective->unique.achieve_id != criteria->unique.achieve_id)
		return false;

	/* Monster Id */
	if (objective->mobid > 0 && objective->mobid != criteria->mobid)
		return false;

	/* Item Type */
	if (objective->item_type > 0 && (objective->item_type & (2 << criteria->item_type)) == 0)
		return false;

	/* Job Ids */
	for (i = 0; i < VECTOR_LENGTH(objective->jobid); i++) {
		ARR_FIND(0, VECTOR_LENGTH(criteria->jobid), j, VECTOR_INDEX(criteria->jobid, j) != VECTOR_INDEX(objective->jobid, i));
		if (j < VECTOR_LENGTH(criteria->jobid))
			return false;
	}

	return true;
}

/**
 * Validates an Achievement Objective of similar types.
 * @param[in] sd         as a pointer to the map session data.
 * @param[in] type       as the type of the achievement.
 * @param[in] criteria   as the criteria of the objective (mob id, job id etc.. 0 for no criteria).
 * @param[in] progress   as the current progress of the objective.
 * @return total number of updated achievements on success, 0 on failure.
 */
static int achievement_validate_type(struct map_session_data *sd, enum achievement_types type, const struct achievement_objective *criteria, bool additive)
{
	int i = 0, total = 0;
	struct achievement *ach = NULL;

	nullpo_ret(sd);
	nullpo_ret(criteria);

	Assert_ret(criteria->goal != 0);

	if (type == ACH_QUEST) {
		ShowError("achievement_validate_type: ACH_QUEST is not handled by this function. (use achievement_validate())\n");
		return 0;
	} else if (type >= ACH_TYPE_MAX) {
		ShowError("achievement_validate_type: Invalid Achievement Type %d! (min: %d, max: %d)\n", (int)type, (int)ACH_QUEST, (int)ACH_TYPE_MAX - 1);
		return 0;
	}

	/* Loop through all achievements of the type, checking for possible matches. */
	for (i = 0; i < VECTOR_LENGTH(achievement->category[type]); i++) {
		int j = 0;
		bool updated = false;
		const struct achievement_data *ad = NULL;

		if ((ad = achievement->get(VECTOR_INDEX(achievement->category[type], i))) == NULL)
			continue;

		for (j = 0; j < VECTOR_LENGTH(ad->objective); j++) {
			// Check if objective criteria matches.
			if (achievement->check_criteria(&VECTOR_INDEX(ad->objective, j), criteria) == false)
				continue;
			// Ensure availability of the achievement.
			if ((ach = achievement->ensure(sd, ad)) == NULL)
				return false;
			// Criteria passed, check if not completed and update progress.
			if ((ach->completed_at == 0 && ach->objective[j] < VECTOR_INDEX(ad->objective, j).goal)) {
				if (additive == true)
					achievement->progress_add(sd, ad, j, criteria->goal);
				else
					achievement->progress_set(sd, ad, j, criteria->goal);
				updated = true;
			}
		}

		if (updated == true)
			total++;
	}

	return total;
}

/**
 * Validates any achievement's specific objective index.
 * @param[in] sd         pointer to the session data.
 * @param[in] aid        ID of the achievement.
 * @param[in] index      index of the objective.
 * @param[in] progress   progress to be added towards the goal.
 */
static bool achievement_validate(struct map_session_data *sd, int aid, unsigned int obj_idx, int progress, bool additive)
{
	const struct achievement_data *ad = NULL;
	struct achievement *ach = NULL;

	nullpo_retr(false, sd);
	Assert_retr(false, progress > 0);
	Assert_retr(false, obj_idx < MAX_ACHIEVEMENT_OBJECTIVES);

	if ((ad = achievement->get(aid)) == NULL) {
		ShowError("achievement_validate: Invalid Achievement %d provided.", aid);
		return false;
	}

	// Ensure availability of the achievement.
	if ((ach = achievement->ensure(sd, ad)) == NULL)
		return false;

	// Check if not completed and update progress.
	if ((!ach->completed_at && ach->objective[obj_idx] < VECTOR_INDEX(ad->objective, obj_idx).goal)) {
		if (additive == true)
			achievement->progress_add(sd, ad, obj_idx, progress);
		else
			achievement->progress_set(sd, ad, obj_idx, progress);
	}

	return true;
}

/**
 * Validates monster kill type objectives.
 * @type ACH_KILL_MOB_CLASS
 * @param[in] sd          pointer to session data.
 * @param[in] mob_id      (criteria) class of the monster checked for.
 * @param[in] progress    (goal) progress to be added.
 * @see achievement_vaildate_type()
 */
static void achievement_validate_mob_kill(struct map_session_data *sd, int mob_id)
{
	struct achievement_objective criteria = { 0 };

	nullpo_retv(sd);
	Assert_retv(mob_id > 0 && mob->db(mob_id) != NULL);

	if (sd->achievements_received == false)
		return;

	criteria.mobid = mob_id;
	criteria.goal = 1;

	achievement->validate_type(sd, ACH_KILL_MOB_CLASS, &criteria, true);
}

/**
 * Validate monster damage type objectives.
 * @types ACH_DAMAGE_MOB_REC_MAX
 *        ACH_DAMAGE_MOB_REC_TOTAL
 * @param[in] sd       pointer to session data.
 * @param[in] damage   amount of damage received/dealt.
 * @param received received/dealt boolean switch.
 */
static void achievement_validate_mob_damage(struct map_session_data *sd, unsigned int damage, bool received)
{
	struct achievement_objective criteria = { 0 };

	nullpo_retv(sd);
	Assert_retv(damage > 0);

	if (sd->achievements_received == false)
		return;

	criteria.goal = (int) damage;

	if (received) {
		achievement->validate_type(sd, ACH_DAMAGE_MOB_REC_MAX, &criteria, false);
		achievement->validate_type(sd, ACH_DAMAGE_MOB_REC_TOTAL, &criteria, true);
	} else {
		achievement->validate_type(sd, ACH_DAMAGE_MOB_MAX, &criteria, false);
		achievement->validate_type(sd, ACH_DAMAGE_MOB_TOTAL, &criteria, true);
	}

}

/**
 * Validate player kill (PVP) achievements.
 * @types ACH_KILL_PC_TOTAL
 *        ACH_KILL_PC_JOB
 *        ACH_KILL_PC_JOBTYPE
 * @param[in] sd         pointer to killed player's session data.
 * @param[in] dstsd      pointer to killer's session data.
 */
static void achievement_validate_pc_kill(struct map_session_data *sd, struct map_session_data *dstsd)
{
	struct achievement_objective criteria = { 0 };

	nullpo_retv(sd);
	nullpo_retv(dstsd);

	if (sd->achievements_received == false)
		return;

	criteria.goal = 1;

	/* */
	achievement->validate_type(sd, ACH_KILL_PC_TOTAL, &criteria, true);

	/* */
	VECTOR_INIT(criteria.jobid);
	VECTOR_ENSURE(criteria.jobid, 1, 1);
	VECTOR_PUSH(criteria.jobid, dstsd->status.class);

	/* Job class */
	achievement->validate_type(sd, ACH_KILL_PC_JOB, &criteria, true);
	/* Job Type */
	achievement->validate_type(sd, ACH_KILL_PC_JOBTYPE, &criteria, true);

	VECTOR_CLEAR(criteria.jobid);
}

/**
 * Validate player kill (PVP) achievements.
 * @types ACH_DAMAGE_PC_MAX
 *        ACH_DAMAGE_PC_TOTAL
 *        ACH_DAMAGE_PC_REC_MAX
 *        ACH_DAMAGE_PC_REC_TOTAL
 * @param[in] sd         pointer to source player's session data.
 * @param[in] dstsd      pointer to target player's session data.
 * @param[in] damage     amount of damage dealt / received.
 */
static void achievement_validate_pc_damage(struct map_session_data *sd, struct map_session_data *dstsd, unsigned int damage)
{
	struct achievement_objective criteria = { 0 };

	nullpo_retv(sd);

	if (sd->achievements_received == false)
		return;

	if (damage == 0)
		return;

	criteria.goal = (int) damage;

	/* */
	achievement->validate_type(sd, ACH_DAMAGE_PC_MAX, &criteria, false);
	achievement->validate_type(sd, ACH_DAMAGE_PC_TOTAL, &criteria, true);

	/* */
	achievement->validate_type(dstsd, ACH_DAMAGE_PC_REC_MAX, &criteria, false);
	achievement->validate_type(dstsd, ACH_DAMAGE_PC_REC_TOTAL, &criteria, true);
}

/**
 * Validates job change objectives.
 * @type ACH_JOB_CHANGE
 * @param[in] sd         pointer to session data.
 * @see achivement_validate_type()
 */
static void achievement_validate_jobchange(struct map_session_data *sd)
{
	struct achievement_objective criteria = { 0 };

	nullpo_retv(sd);

	if (sd->achievements_received == false)
		return;

	VECTOR_INIT(criteria.jobid);
	VECTOR_ENSURE(criteria.jobid, 1, 1);
	VECTOR_PUSH(criteria.jobid, sd->status.class);

	criteria.goal = 1;

	achievement->validate_type(sd, ACH_JOB_CHANGE, &criteria, false);

	VECTOR_CLEAR(criteria.jobid);
}

/**
 * Validates stat type objectives.
 * @types ACH_STATUS
 *        ACH_STATUS_BY_JOB
 *        ACH_STATUS_BY_JOBTYPE
 * @param[in] sd         pointer to session data.
 * @param[in] stat_type  (criteria) status point type. (see status_point_types)
 * @param[in] progress   (goal) amount of absolute progress to check.
 * @see achievement_validate_type()
 */
static void achievement_validate_stats(struct map_session_data *sd, enum status_point_types stat_type, int progress)
{
	struct achievement_objective criteria = { 0 };

	nullpo_retv(sd);
	Assert_retv(progress > 0);

	if (sd->achievements_received == false)
		return;

	if (!achievement_valid_status_types(stat_type)) {
		ShowError("achievement_validate_stats: Invalid status type %d given.\n", (int) stat_type);
		return;
	}

	criteria.unique.status_type = stat_type;

	criteria.goal = progress;

	achievement->validate_type(sd, ACH_STATUS, &criteria, false);

	VECTOR_INIT(criteria.jobid);
	VECTOR_ENSURE(criteria.jobid, 1, 1);
	VECTOR_PUSH(criteria.jobid, sd->status.class);

	/* Stat and Job class */
	achievement->validate_type(sd, ACH_STATUS_BY_JOB, &criteria, false);

	/* Stat and Job Type */
	achievement->validate_type(sd, ACH_STATUS_BY_JOBTYPE, &criteria, false);

	VECTOR_CLEAR(criteria.jobid);
}

/**
 * Validates chatroom creation type objectives.
 * @types ACH_CHATROOM_CREATE
 *        ACH_CHATROOM_CREATE_DEAD
 * @param[in] sd    pointer to session data.
 * @see achievement_validate_type()
 */
static void achievement_validate_chatroom_create(struct map_session_data *sd)
{
	struct achievement_objective criteria = { 0 };

	nullpo_retv(sd);

	if (sd->achievements_received == false)
		return;

	criteria.goal = 1;

	if (pc_isdead(sd)) {
		achievement->validate_type(sd, ACH_CHATROOM_CREATE_DEAD, &criteria, true);
		return;
	}

	achievement->validate_type(sd, ACH_CHATROOM_CREATE, &criteria, true);
}

/**
 * Validates chatroom member count type objectives.
 * @type ACH_CHATROOM_MEMBERS
 * @param[in] sd         pointer to session data.
 * @param[in] progress   (goal) amount of progress to be added.
 * @see achievement_validate_type()
 */
static void achievement_validate_chatroom_members(struct map_session_data *sd, int progress)
{
	struct achievement_objective criteria = { 0 };

	nullpo_retv(sd);

	if (sd->achievements_received == false)
		return;

	Assert_retv(progress > 0);

	criteria.goal = progress;

	achievement->validate_type(sd, ACH_CHATROOM_MEMBERS, &criteria, false);
}

/**
 * Validates friend add type objectives.
 * @type ACH_FRIEND_ADD
 * @param[in] sd        pointer to session data.
 * @see achievement_validate_type()
 */
static void achievement_validate_friend_add(struct map_session_data *sd)
{
	struct achievement_objective criteria = { 0 };

	nullpo_retv(sd);

	if (sd->achievements_received == false)
		return;

	criteria.goal = 1;

	achievement->validate_type(sd, ACH_FRIEND_ADD, &criteria, true);
}

/**
 * Validates party creation type objectives.
 * @type ACH_PARTY_CREATE
 * @param[in] sd        pointer to session data.
 * @see achievement_validate_type()
 */
static void achievement_validate_party_create(struct map_session_data *sd)
{
	struct achievement_objective criteria = { 0 };

	nullpo_retv(sd);

	if (sd->achievements_received == false)
		return;

	criteria.goal = 1;
	achievement->validate_type(sd, ACH_PARTY_CREATE, &criteria, true);
}

/**
 * Validates marriage type objectives.
 * @type ACH_MARRY
 * @param[in] sd        pointer to session data.
 * @see achievement_validate_type()
 */
static void achievement_validate_marry(struct map_session_data *sd)
{
	struct achievement_objective criteria = { 0 };

	nullpo_retv(sd);

	if (sd->achievements_received == false)
		return;

	criteria.goal = 1;

	achievement->validate_type(sd, ACH_MARRY, &criteria, true);
}

/**
 * Validates adoption type objectives.
 * @types ACH_ADOPT_PARENT
 *        ACH_ADOPT_BABY
 * @param[in] sd        pointer to session data.
 * @param[in] parent    (type) boolean value to indicate if parent (true) or baby (false).
 * @see achievement_validate_type()
 */
static void achievement_validate_adopt(struct map_session_data *sd, bool parent)
{
	struct achievement_objective criteria = { 0 };

	nullpo_retv(sd);

	if (sd->achievements_received == false)
		return;

	criteria.goal = 1;

	if (parent)
		achievement->validate_type(sd, ACH_ADOPT_PARENT, &criteria, true);
	else
		achievement->validate_type(sd, ACH_ADOPT_BABY, &criteria, true);
}

/**
 * Validates zeny type objectives.
 * @types ACH_ZENY_HOLD
 *        ACH_ZENY_GET_ONCE
 *        ACH_ZENY_GET_TOTAL
 *        ACH_ZENY_SPEND_ONCE
 *        ACH_ZENY_SPEND_TOTAL
 * @param[in] sd        pointer to session data.
 * @param[in] amount    (goal) amount of zeny earned or spent.
 * @see achievement_validate_type()
 */
static void achievement_validate_zeny(struct map_session_data *sd, int amount)
{
	struct achievement_objective criteria = { 0 };

	nullpo_retv(sd);

	if (sd->achievements_received == false)
		return;

	Assert_retv(amount != 0);

	if (amount > 0) {
		criteria.goal = sd->status.zeny;
		achievement->validate_type(sd, ACH_ZENY_HOLD, &criteria, false);
		criteria.goal = amount;
		achievement->validate_type(sd, ACH_ZENY_GET_ONCE, &criteria, false);
		achievement->validate_type(sd, ACH_ZENY_GET_TOTAL, &criteria, true);
	}  else {
		criteria.goal = -amount;
		achievement->validate_type(sd, ACH_ZENY_SPEND_ONCE, &criteria, false);
		achievement->validate_type(sd, ACH_ZENY_SPEND_TOTAL, &criteria, true);
	}
}

/**
 * Validates equipment refinement type objectives.
 * @types ACH_EQUIP_REFINE_SUCCESS
 *        ACH_EQUIP_REFINE_FAILURE
 *        ACH_EQUIP_REFINE_SUCCESS_TOTAL
 *        ACH_EQUIP_REFINE_FAILURE_TOTAL
 *        ACH_EQUIP_REFINE_SUCCESS_WLV
 *        ACH_EQUIP_REFINE_FAILURE_WLV
 *        ACH_EQUIP_REFINE_SUCCESS_ID
 *        ACH_EQUIP_REFINE_FAILURE_ID
 * @param[in] sd         pointer to session data.
 * @param[in] idx        Inventory index of the item.
 * @param[in] success    (type) boolean switch for failure / success.
 * @see achievement_validate_type()
 */
static void achievement_validate_refine(struct map_session_data *sd, unsigned int idx, bool success)
{
	struct achievement_objective criteria = { 0 };
	struct item_data *id = NULL;

	nullpo_retv(sd);
	Assert_retv(idx < MAX_INVENTORY);

	id = itemdb->exists(sd->status.inventory[idx].nameid);

	if (sd->achievements_received == false)
		return;

	Assert_retv(idx < MAX_INVENTORY);
	Assert_retv(id != NULL);

	criteria.goal = sd->status.inventory[idx].refine;

	/* Universal */
	achievement->validate_type(sd,
			success ? ACH_EQUIP_REFINE_SUCCESS : ACH_EQUIP_REFINE_FAILURE,
			&criteria, false);

	/* Total */
	criteria.goal = 1;
	achievement->validate_type(sd,
			success ? ACH_EQUIP_REFINE_SUCCESS_TOTAL : ACH_EQUIP_REFINE_FAILURE_TOTAL,
			&criteria, true);

	/* By Weapon Level */
	if (id->type == IT_WEAPON) {
		criteria.item_type = id->type;
		criteria.unique.weapon_lv = id->wlv;
		criteria.goal = sd->status.inventory[idx].refine;
		achievement->validate_type(sd,
				success ? ACH_EQUIP_REFINE_SUCCESS_WLV : ACH_EQUIP_REFINE_FAILURE_WLV,
				&criteria, false);
		criteria.item_type = 0;
		criteria.unique.weapon_lv = 0; // cleanup
	}

	/* By NameId */
	criteria.unique.itemid = id->nameid;
	criteria.goal = sd->status.inventory[idx].refine;
	achievement->validate_type(sd,
			success ? ACH_EQUIP_REFINE_SUCCESS_ID : ACH_EQUIP_REFINE_FAILURE_ID,
			&criteria, false);
	criteria.unique.itemid = 0; // cleanup
}

/**
 * Validates item received type objectives.
 * @types ACH_ITEM_GET_COUNT
 *        ACH_ITEM_GET_WORTH
 *        ACH_ITEM_GET_COUNT_ITEMTYPE
 * @param[in] sd         pointer to session data.
 * @param[in] nameid     (criteria) ID of the item.
 * @param[in] amount     (goal) amount of the item collected.
 */
static void achievement_validate_item_get(struct map_session_data *sd, int nameid, int amount)
{
	struct item_data *it = itemdb->exists(nameid);
	struct achievement_objective criteria = { 0 };

	nullpo_retv(sd);

	if (sd->achievements_received == false)
		return;

	Assert_retv(amount > 0);
	nullpo_retv(it);

	criteria.unique.itemid = it->nameid;
	criteria.goal = amount;
	achievement->validate_type(sd, ACH_ITEM_GET_COUNT, &criteria, false);
	criteria.unique.itemid = 0; // cleanup

	/* Item Buy Value*/
	criteria.goal = max(it->value_buy, 1);
	achievement->validate_type(sd, ACH_ITEM_GET_WORTH, &criteria, false);

	/* Item Type */
	criteria.item_type = it->type;
	criteria.goal = 1;
	achievement->validate_type(sd, ACH_ITEM_GET_COUNT_ITEMTYPE, &criteria, false);
	criteria.item_type = 0; // cleanup
}

/**
 * Validates item sold type objectives.
 * @type ACH_ITEM_SELL_WORTH
 * @param[in] sd         pointer to session data.
 * @param[in] nameid     Item Id in question.
 * @param[in] amount     amount of item in question.
 */
static void achievement_validate_item_sell(struct map_session_data *sd, int nameid, int amount)
{
	struct item_data *it = itemdb->exists(nameid);
	struct achievement_objective criteria = { 0 };

	nullpo_retv(sd);

	if (sd->achievements_received == false)
		return;

	Assert_retv(amount > 0);
	nullpo_retv(it);

	criteria.unique.itemid = it->nameid;

	criteria.goal = max(it->value_sell, 1);

	achievement->validate_type(sd, ACH_ITEM_SELL_WORTH, &criteria, false);
}

/**
 * Validates achievement type objectives.
 * @type ACH_ACHIEVE
 * @param[in] sd        pointer to session data.
 * @param[in] achid     (criteria) achievement id.
 */
static void achievement_validate_achieve(struct map_session_data *sd, int achid)
{
	const struct achievement_data *ad = achievement->get(achid);
	struct achievement_objective criteria = { 0 };

	nullpo_retv(sd);
	nullpo_retv(ad);

	if (sd->achievements_received == false)
		return;

	Assert_retv(achid > 0);

	criteria.unique.achieve_id = ad->id;

	criteria.goal = 1;

	achievement->validate_type(sd, ACH_ACHIEVE, &criteria, false);
}

/**
 * Validates taming type objectives.
 * @type ACH_PET_CREATE
 * @param[in] sd        pointer to session data.
 * @param[in] class     (criteria) class of the monster tamed.
 */
static void achievement_validate_taming(struct map_session_data *sd, int class)
{
	struct achievement_objective criteria = { 0 };

	nullpo_retv(sd);

	if (sd->achievements_received == false)
		return;

	Assert_retv(class > 0);
	Assert_retv(mob->db(class) != mob->dummy);

	criteria.mobid = class;
	criteria.goal = 1;

	achievement->validate_type(sd, ACH_PET_CREATE, &criteria, true);
}

/**
 * Validated achievement rank type objectives.
 * @type ACH_ACHIEVEMENT_RANK
 * @param[in] sd         pointer to session data.
 * @param[in] rank       (goal) rank of earned.
 */
static void achievement_validate_achievement_rank(struct map_session_data *sd, int rank)
{
	struct achievement_objective criteria = { 0 };

	nullpo_retv(sd);

	if (sd->achievements_received == false)
		return;

	Assert_retv(rank >= 0 && rank <= VECTOR_LENGTH(achievement->rank_exp));

	criteria.goal = 1;

	achievement->validate_type(sd, ACH_ACHIEVEMENT_RANK, &criteria, false);
}

/**
 * Verifies if an achievement type requires a criteria field.
 * @param[in] type       achievement type in question.
 * @return true if required, false if not.
 */
static bool achievement_type_requires_criteria(enum achievement_types type)
{
	if (type == ACH_KILL_PC_JOB
		|| type == ACH_KILL_PC_JOBTYPE
		|| type == ACH_KILL_MOB_CLASS
		|| type == ACH_JOB_CHANGE
		|| type == ACH_STATUS
		|| type == ACH_STATUS_BY_JOB
		|| type == ACH_STATUS_BY_JOBTYPE
		|| type == ACH_EQUIP_REFINE_SUCCESS_WLV
		|| type == ACH_EQUIP_REFINE_FAILURE_WLV
		|| type == ACH_EQUIP_REFINE_SUCCESS_ID
		|| type == ACH_EQUIP_REFINE_FAILURE_ID
		|| type == ACH_ITEM_GET_COUNT
		|| type == ACH_PET_CREATE
		|| type == ACH_ACHIEVE)
		return true;

	return false;
}

/**
 * Stores all the title ID that has been earned by player
 * @param[in] sd        pointer to session data.
 */
static void achievement_init_titles(struct map_session_data *sd)
{
	int i;
	nullpo_retv(sd);

	VECTOR_INIT(sd->title_ids);
	/* Browse through the session's achievement list and gather their values. */
	for (i = 0; i < VECTOR_LENGTH(sd->achievement); i++) {
		struct achievement *a = &VECTOR_INDEX(sd->achievement, i);
		const struct achievement_data *ad = NULL;

		/* Sanity check for nonull pointers. */
		if (a == NULL || (ad = achievement->get(a->id)) == NULL)
			continue;

		if (a->completed_at > 0 && a->rewarded_at > 0 && ad->rewards.title_id > 0) {
			VECTOR_ENSURE(sd->title_ids, 1, 1);
			VECTOR_PUSH(sd->title_ids, ad->rewards.title_id);
		}
	}
}

/**
 * Validates whether player has earned the title.
 * @param[in]  sd              pointer to session data.
 * @param[in]  title_id        Title ID
 * @return true, if title has been earned, else false
 */
static bool achievement_check_title(struct map_session_data *sd, int title_id) {
	int i;

	nullpo_retr(false, sd);

	if (title_id == 0)
		return true;

	for (i = 0; i < VECTOR_LENGTH(sd->title_ids); i++) {
		if (VECTOR_INDEX(sd->title_ids, i) == title_id) {
			return true;
		}
	}

	return false;
}

/**
 * Achievement rewards are given to player
 * @param  sd        session data
 * @param  ad        achievement data
 */
static void achievement_get_rewards(struct map_session_data *sd, const struct achievement_data *ad) {
	int i = 0;
	struct achievement *ach = NULL;

	nullpo_retv(sd);
	nullpo_retv(ad);

	if ((ach = achievement->ensure(sd, ad)) == NULL)
		return;

	/* Buff */
	if (ad->rewards.bonus != NULL)
		script->run(ad->rewards.bonus, 0, sd->bl.id, 0);

	/* Give Items */
	for (i = 0; i < VECTOR_LENGTH(ad->rewards.item); i++) {
		struct item it = { 0 };
		int total = 0;

		it.nameid = VECTOR_INDEX(ad->rewards.item, i).id;
		total = VECTOR_INDEX(ad->rewards.item, i).amount;

		it.identify = 1;

		//Check if it's stackable.
		if (!itemdb->isstackable(it.nameid)) {
			int j = 0;
			for (j = 0; j < total; ++j)
				pc->additem(sd, &it, (it.amount = 1), LOG_TYPE_SCRIPT);
		} else {
			pc->additem(sd, &it, (it.amount = total), LOG_TYPE_SCRIPT);
		}
	}

	ach->rewarded_at = time(NULL);

	if (ad->rewards.title_id > 0) { // Add Title
		VECTOR_ENSURE(sd->title_ids, 1, 1);
		VECTOR_PUSH(sd->title_ids, ad->rewards.title_id);
		clif->achievement_send_list(sd->fd, sd);
	} else {
		clif->achievement_reward_ack(sd->fd, sd, ad);
		clif->achievement_send_update(sd->fd, sd, ad); // send update.
	}
}

/**
 * Parses the Achievement Ranks.
 * @read db/achievement_rank_db.conf
 */
static void achievement_readdb_ranks(void)
{
	const char *filename = "db/achievement_rank_db.conf";
	struct config_t ar_conf = { 0 };
	struct config_setting_t *ardb = NULL, *conf = NULL;
	int entry = 0;

	if (!libconfig->load_file(&ar_conf, filename))
		return; // report error.

	if (!(ardb = libconfig->setting_get_member(ar_conf.root, "achievement_rank_db"))) {
		ShowError("achievement_readdb_ranks: Could not process contents of file '%s', skipping...\n", filename);
		libconfig->destroy(&ar_conf);
		return;
	}

	while (entry < libconfig->setting_length(ardb) && entry < MAX_ACHIEVEMENT_RANKS) {
		char rank[8];

		if (!(conf = libconfig->setting_get_elem(ardb, entry))) {
			ShowError("achievement_readdb_ranks: Could not read value for entry %d, skipping...\n", entry+1);
			continue;
		}

		entry++; // Rank counter;

		sprintf(rank, "Rank%d", entry);

		if (strcmp(rank, config_setting_name(conf)) == 0) {
			int exp = 0;

			if ((exp = libconfig->setting_get_int(conf)) <= 0) {
				ShowError("achievement_readdb_ranks: Invalid value provided for %s in '%s'.\n", rank, filename);
				continue;
			}

			VECTOR_ENSURE(achievement->rank_exp, 1, 1);
			VECTOR_PUSH(achievement->rank_exp, exp);
		} else  {
			ShowWarning("achievement_readdb_ranks: Ranks are not in order! Ignoring all ranks after Rank %d...\n", entry);
			break; // break if elements are not in order or rank doesn't exist.
		}
	}

	if (libconfig->setting_length(ardb) > MAX_ACHIEVEMENT_RANKS)
		ShowWarning("achievement_rankdb_ranks: Maximum number of achievement ranks exceeded. Skipping all after entry %d...\n", entry);

	libconfig->destroy(&ar_conf);

	if (!entry) {
		ShowError("achievement_readdb_ranks: No ranks provided in '%s'!\n", filename);
		return;
	}

	ShowStatus("Done reading '"CL_WHITE"%d"CL_RESET"' entries in '"CL_WHITE"%s"CL_RESET"'.\n", entry, filename);
}

/**
 * Validates Mob Id criteria of an objective while parsing an achievement entry.
 * @param[in]  t        pointer to the config setting.
 * @param[out] obj      pointer to the achievement objective entry being parsed.
 * @param[in]  type     Type of the achievement being parsed.
 * @param[in]  entry_id Id of the entry being parsed.
 * @param[in]  obj_idx  Index of the objective entry being parsed.
 * @return false on failure, true on success
 */
static bool achievement_readdb_validate_criteria_mobid(const struct config_setting_t *t, struct achievement_objective *obj, enum achievement_types type, int entry_id, int obj_idx)
{
	int val = 0;
	const char *string = NULL;

	nullpo_retr(false, t);
	nullpo_retr(false, obj);

	if (libconfig->setting_lookup_int(t, "MobId", &val)) {
		if (mob->db_checkid(val) == 0) {
			ShowError("achievement_readdb_validate_criteria_mobid: Non-existant monster with ID %id provided (Achievement: %d, Objective: %d). Skipping...\n", val, entry_id, obj_idx);
			return false;
		}

		obj->mobid = val;
	} else if (libconfig->setting_lookup_string(t, "MobId", &string)) {
		if (!script->get_constant(string, &val)) {
			ShowError("achievement_readdb_validate_criteria_mobid: Non-existant constant %s provided (Achievement: %d, Objective: %d). Skipping...\n", string, entry_id, obj_idx);
			return false;
		}

		obj->mobid = val;
	} else if (achievement_criteria_mobid(type)) {
		ShowError("achievement_readdb_validate_criteria_mobid: Achievement type of ID %d requires MobId as objective criteria, setting not provided. Skipping...\n", entry_id);
		return false;
	}

	return true;
}

/**
 * Validates Job Id criteria of an objective while parsing an achievement entry.
 * @param[in]  t        pointer to the config setting.
 * @param[out] obj      pointer to the achievement objective entry being parsed.
 * @param[in]  type     Type of the achievement being parsed.
 * @param[in]  entry_id Id of the entry being parsed.
 * @param[in]  obj_idx  Index of the objective entry being parsed.
 * @return false on failure, true on success.
 */
static bool achievement_readdb_validate_criteria_jobid(const struct config_setting_t *t, struct achievement_objective *obj, enum achievement_types type, int entry_id, int obj_idx)
{
	int job_id = 0;
	const char *string = NULL;
	struct config_setting_t *tt = NULL;

	nullpo_retr(false, t);
	nullpo_retr(false, obj);

	// initialize the buffered objective jobid vector.
	VECTOR_INIT(obj->jobid);

	if (libconfig->setting_lookup_int(t, "JobId", &job_id)) {
		if (pc->jobid2mapid(job_id) == -1) {
			ShowError("achievement_readdb_validate_criteria_jobid: Invalid JobId %d provided (Achievement: %d, Objective: %d). Skipping...\n", job_id, entry_id, obj_idx);
			return false;
		}

		VECTOR_ENSURE(obj->jobid, 1, 1);
		VECTOR_PUSH(obj->jobid, job_id);
	} else if (libconfig->setting_lookup_string(t, "JobId", &string)) {
		if (script->get_constant(string, &job_id) == false) {
			ShowError("achievement_readdb_validate_criteria_jobid: Invalid JobId %d provided (Achievement: %d, Objective: %d). Skipping...\n", job_id, entry_id, obj_idx);
			return false;
		}

		VECTOR_ENSURE(obj->jobid, 1, 1);
		VECTOR_PUSH(obj->jobid, job_id);
	} else if ((tt = libconfig->setting_get_member(t, "JobId")) && config_setting_is_array(tt)) {
		int j = 0;

		while (j < libconfig->setting_length(tt)) {
			if ((job_id = libconfig->setting_get_int_elem(tt, j)) == 0) {
				if ((string = libconfig->setting_get_string_elem(tt, j)) != NULL && script->get_constant(string, &job_id) == false) {
					ShowError("achievement_readdb_validate_criteria_jobid: Invalid JobId provided at index %d (Achievement: %d, Objective: %d). Skipping...\n", j, entry_id, obj_idx);
					continue;
				}
			}

			/* Ensure size and allocation */
			VECTOR_ENSURE(obj->jobid, 1, 1);
			/* push buffer */
			VECTOR_PUSH(obj->jobid, job_id);
			j++;
		}
	} else if (achievement_criteria_jobid(type)) {
		ShowError("achievement_readdb_validate_criteria_jobid: Achievement type of ID %d requires a JobId field in the objective criteria, setting not provided. Skipping...\n", entry_id);
		return false;
	}

	return true;

}

/**
 * Validates Item Id criteria of an objective while parsing an achievement entry.
 * @param[in]  t        pointer to the config setting.
 * @param[out] obj      pointer to the achievement objective entry being parsed.
 * @param[in]  type     Type of the achievement being parsed.
 * @param[in]  entry_id Id of the entry being parsed.
 * @param[in]  obj_idx  Index of the objective entry being parsed.
 * @return false on failure, true on success.
 */
static bool achievement_readdb_validate_criteria_itemid(const struct config_setting_t *t, struct achievement_objective *obj, enum achievement_types type, int entry_id, int obj_idx)
{
	int val = 0;
	const char *string = NULL;

	nullpo_retr(false, t);
	nullpo_retr(false, obj);


	if (libconfig->setting_lookup_int(t, "ItemId", &val)) {
		if (itemdb->exists(val) == NULL) {
			ShowError("achievement_readdb_validate_criteria_itemid: Invalid ItemID %d provided (Achievement: %d, Objective: %d). Skipping...\n", val, entry_id, obj_idx);
			return false;
		} else if (obj->unique_type != CRITERIA_UNIQUE_NONE) {
			ShowError("achievement_readdb_validate_criteria_itemid: Unique criteria has already been set to type %d. (Achievement: %d, Objective: %d). Skipping...\n", (int) obj->unique_type, entry_id, obj_idx);
			return false;
		}

		obj->unique.itemid = val;
		obj->unique_type = CRITERIA_UNIQUE_ITEM_ID;
	} else if (libconfig->setting_lookup_string(t, "ItemId", &string)) {
		if (script->get_constant(string, &val) == false) {
			ShowError("achievement_readdb_validate_criteria_itemid: Invalid ItemID %d provided (Achievement: %d, Objective: %d). Skipping...\n", val, entry_id, obj_idx);
			return false;
		} else if (obj->unique_type != CRITERIA_UNIQUE_NONE) {
			ShowError("achievement_readdb_validate_criteria_itemid: Unique criteria has already been set to type %d. (Achievement: %d, Objective: %d). Skipping...\n", (int) obj->unique_type, entry_id, obj_idx);
			return false;
		}

		obj->unique.itemid = val;
		obj->unique_type = CRITERIA_UNIQUE_ITEM_ID;
	} else if (achievement_criteria_itemid(type)) {
		ShowError("achievement_readdb_validate_criteria_itemid: Criteria requires a ItemId field (Achievement: %d, Objective: %d). Skipping...\n", entry_id, obj_idx);
		return false;
	}

	return true;
}

/**
 * Validates Status Type criteria of an objective while parsing an achievement entry.
 * @param[in]  t        pointer to the config setting.
 * @param[out] obj      pointer to the achievement objective entry being parsed.
 * @param[in]  type     Type of the achievement being parsed.
 * @param[in]  entry_id Id of the entry being parsed.
 * @param[in]  obj_idx  Index of the objective entry being parsed.
 * @return false on failure, true on success.
 */
static bool achievement_readdb_validate_criteria_statustype(const struct config_setting_t *t, struct achievement_objective *obj, enum achievement_types type, int entry_id, int obj_idx)
{
	int val = 0;
	const char *string = NULL;

	nullpo_retr(false, t);
	nullpo_retr(false, obj);

	if (libconfig->setting_lookup_int(t, "StatusType", &val)) {
		if (!achievement_valid_status_types(val)) {
			ShowError("achievement_readdb_validate_criteria_statustype: Invalid StatusType %d provided (Achievement: %d, Objective: %d). Skipping...\n", val, entry_id, obj_idx);
			return false;
		} else if (obj->unique_type != CRITERIA_UNIQUE_NONE) {
			ShowError("achievement_readdb_validate_criteria_statustype: Unique criteria has already been set to type %d. (Achievement: %d, Objective: %d). Skipping...\n", (int) obj->unique_type, entry_id, obj_idx);
			return false;
		}

		obj->unique.status_type = (enum status_point_types) val;
		obj->unique_type = CRITERIA_UNIQUE_STATUS_TYPE;
	} else if (libconfig->setting_lookup_string(t, "StatusType", &string)) {
		if      (strcmp(string, "SP_STR") == 0)       val = SP_STR;
		else if (strcmp(string, "SP_AGI") == 0)       val = SP_AGI;
		else if (strcmp(string, "SP_VIT") == 0)       val = SP_VIT;
		else if (strcmp(string, "SP_INT") == 0)       val = SP_INT;
		else if (strcmp(string, "SP_DEX") == 0)       val = SP_DEX;
		else if (strcmp(string, "SP_LUK") == 0)       val = SP_LUK;
		else if (strcmp(string, "SP_BASELEVEL") == 0) val = SP_BASELEVEL;
		else if (strcmp(string, "SP_JOBLEVEL") == 0)  val = SP_JOBLEVEL;
		else val = SP_NONE;

		if (!achievement_valid_status_types(val)) {
			ShowError("achievement_readdb_validate_criteria_statustype: Invalid StatusType %s provided (Achievement: %d, Objective: %d). Skipping...\n", string, entry_id, obj_idx);
			return false;
		} else if (obj->unique_type != CRITERIA_UNIQUE_NONE) {
			ShowError("achievement_readdb_validate_criteria_statustype: Unique criteria has already been set to type %d. (Achievement: %d, Objective: %d). Skipping...\n", (int) obj->unique_type, entry_id, obj_idx);
			return false;
		}

		obj->unique.status_type = (enum status_point_types) val;
		obj->unique_type = CRITERIA_UNIQUE_STATUS_TYPE;
	} else if (achievement_criteria_stattype(type)) {
		ShowError("achievement_readdb_validate_criteria_statustype: Criteria requires a StatusType field (Achievement: %d, Objective: %d). Skipping...\n", entry_id, obj_idx);
		return false;
	}

	return true;
}

/**
 * Validates Item Type criteria of an objective while parsing an achievement entry.
 * @param[in]  t        pointer to the config setting.
 * @param[out] obj      pointer to the achievement objective entry being parsed.
 * @param[in]  type     Type of the achievement being parsed.
 * @param[in]  entry_id Id of the entry being parsed.
 * @param[in]  obj_idx  Index of the objective entry being parsed.
 * @return false on failure, true on success.
 */
static bool achievement_readdb_validate_criteria_itemtype(const struct config_setting_t *t, struct achievement_objective *obj, enum achievement_types type, int entry_id, int obj_idx)
{
	int val = 0;
	const char *string = NULL;
	struct config_setting_t *tt = NULL;

	nullpo_retr(false, t);
	nullpo_retr(false, obj);

	if (libconfig->setting_lookup_int(t, "ItemType", &val)) {
		if (val < IT_HEALING || val > IT_MAX) {
			ShowError("achievement_readdb_validate_criteria_itemtype: Invalid ItemType %d provided (Achievement: %d, Objective: %d). Skipping...\n", val, entry_id, obj_idx);
			return false;
		}

		if (val == IT_MAX) {
			obj->item_type |= (2 << val) - 1;
		} else {
			obj->item_type |= (2 << val);
		}

	} else if (libconfig->setting_lookup_string(t, "ItemType", &string)) {
		if (!script->get_constant(string, &val) || val < IT_HEALING || val > IT_MAX) {
			ShowError("achievement_readdb_validate_criteria_itemtype: Invalid ItemType %d provided (Achievement: %d, Objective: %d). Skipping...\n", val, entry_id, obj_idx);
			return false;
		}

		if (val == IT_MAX) {
			obj->item_type |= (2 << val) - 1;
		} else {
			obj->item_type |= (2 << val);
		}
	} else if ((tt = libconfig->setting_get_member(t, "ItemType")) && config_setting_is_array(tt)) {
		int j = 0;

		while (j < libconfig->setting_length(tt)) {
			if ((val = libconfig->setting_get_int_elem(tt, j))) {
				if (val < IT_HEALING || val > IT_MAX) {
					ShowError("achievement_readdb_validate_criteria_itemtype: Invalid ItemType %d provided (Achievement: %d, Objective: %d). Skipping...\n", val, entry_id, obj_idx);
					continue;
				}
				if (val == IT_MAX) {
					obj->item_type |= (2 << val) - 1;
				} else {
					obj->item_type |= (2 << val);
				}
			} else if ((string = libconfig->setting_get_string_elem(tt, j))) {
				if (!script->get_constant(string, &val)) {
					ShowError("achievement_readdb_validate_criteria_itemtype: Invalid ItemType %s provided (Achievement: %d, Objective: %d). Skipping...\n", string, entry_id, obj_idx);
					continue;			
				}
				
				if (val == IT_MAX) {
					obj->item_type |= (2 << val) - 1;
				} else {
					obj->item_type |= (2 << val);
				}
			}
			j++;
		}
	} else if (achievement_criteria_itemtype(type)) {
		ShowError("achievement_readdb_validate_criteria_itemtype: Criteria requires a ItemType field (Achievement: %d, Objective: %d). Skipping...\n", entry_id, obj_idx);
		return false;
	}

	return true;
}

/**
 * Validates Weapon Level criteria of an objective while parsing an achievement entry.
 * @param[in]  t        pointer to the config setting.
 * @param[out] obj      pointer to the achievement objective entry being parsed.
 * @param[in]  type     Type of the achievement being parsed.
 * @param[in]  entry_id Id of the entry being parsed.
 * @param[in]  obj_idx  Index of the objective entry being parsed.
 * @return false on failure, true on success.
 */
static bool achievement_readdb_validate_criteria_weaponlv(const struct config_setting_t *t, struct achievement_objective *obj, enum achievement_types type, int entry_id, int obj_idx)
{
	int val = 0;

	nullpo_retr(false, t);
	nullpo_retr(false, obj);

	if (libconfig->setting_lookup_int(t, "WeaponLevel", &val)) {
		if (val < 1 || val > 4) {
			ShowError("achievement_readdb_validate_criteria_weaponlv: Invalid WeaponLevel %d provided (Achievement: %d, Objective: %d). Skipping...\n", val, entry_id, obj_idx);
			return false;
		} else if (obj->unique_type != CRITERIA_UNIQUE_NONE) {
			ShowError("achievement_readdb_validate_criteria_weaponlv: Unique criteria has already been set to type %d. (Achievement: %d, Objective: %d). Skipping...\n", (int) obj->unique_type, entry_id, obj_idx);
			return false;
		}

		obj->unique.weapon_lv = val;
		obj->unique_type = CRITERIA_UNIQUE_WEAPON_LV;
	} else if (achievement_criteria_weaponlv(type)) {
		ShowError("achievement_readdb_validate_criteria_weaponlv: Criteria requires a WeaponType field. (Achievement: %d, Objective: %d). Skipping...\n", entry_id, obj_idx);
		return false;
	}

	return true;
}

/**
 * Validates achievement Id criteria of an objective while parsing an achievement entry.
 * @param[in]  t        pointer to the config setting.
 * @param[out] obj      pointer to the achievement objective entry being parsed.
 * @param[in]  type     Type of the achievement being parsed.
 * @param[in]  entry_id Id of the entry being parsed.
 * @param[in]  obj_idx  Index of the objective entry being parsed.
 * @return false on failure, true on success.
 */
static bool achievement_readdb_validate_criteria_achievement(const struct config_setting_t *t, struct achievement_objective *obj, enum achievement_types type, int entry_id, int obj_idx)
{
	int val = 0;

	nullpo_retr(false, t);
	nullpo_retr(false, obj);

	if (libconfig->setting_lookup_int(t, "Achieve", &val)) {
		if (achievement->get(val) == NULL) {
			ShowError("achievement_readdb_validate_criteria_achievement: Invalid Achievement %d provided as objective (Achievement %d, Objective %d). Skipping...\n", val, entry_id, obj_idx);
			return false;
		} else if (obj->unique_type != CRITERIA_UNIQUE_NONE) {
			ShowError("achievement_readdb_validate_criteria_achievement: Unique criteria has already been set to type %d. (Achievement: %d, Objective: %d). Skipping...\n", (int) obj->unique_type, entry_id, obj_idx);
			return false;
		}

		obj->unique.achieve_id = val;
		obj->unique_type = CRITERIA_UNIQUE_ACHIEVE_ID;
	} else if (type == ACH_ACHIEVE) {
		ShowError("achievement_readdb_validate_criteria_achievement: Achievement type of ID %d requires an Achieve field in the objective criteria, setting not provided. Skipping...\n", entry_id);
		return false;
	}

	return true;
}

/**
 * Read a single objective entry of an achievement.
 * @param[in]  conf    config pointer.
 * @param[in]  index   Index of the objective being in the objective list being parsed.
 * @param[out] entry   pointer to the achievement db entry being parsed.
 * @return false on failure, true on success.
 */
static bool achievement_readdb_objective_sub(const struct config_setting_t *conf, int index, struct achievement_data *entry)
{
	struct config_setting_t *tt = NULL;
	char objnum[12];

	nullpo_retr(false, conf);
	nullpo_retr(false, entry);

	sprintf(objnum, "*%d", index); // Search Objective 1..MAX
	if ((tt = libconfig->setting_get_member(conf, objnum)) && config_setting_is_group(tt)) {
		struct achievement_objective obj = { 0 };
		struct config_setting_t *c = NULL;

		/* Description */
		if (libconfig->setting_lookup_mutable_string(tt, "Description", obj.description, OBJECTIVE_DESCRIPTION_LENGTH) == 0) {
			ShowError("achievement_readdb_objective_sub: Objective %d has no description for Achievement %d, skipping...\n", index, entry->id);
			return false;
		}

		/* Criteria */
		if ((c = libconfig->setting_get_member(tt, "Criteria")) && config_setting_is_group(tt)) {
			/* MobId */
			if (achievement->readdb_validate_criteria_mobid(c, &obj, entry->type, entry->id, index) == false)
				return false;

			/* ItemId */
			if (achievement->readdb_validate_criteria_itemid(c, &obj, entry->type, entry->id, index) == false)
				return false;

			/* StatusType */
			if (achievement->readdb_validate_criteria_statustype(c, &obj, entry->type, entry->id, index) == false)
				return false;

			/* ItemType */
			if (achievement->readdb_validate_criteria_itemtype(c, &obj, entry->type, entry->id, index) == false)
				return false;

			/* WeaponLevel */
			if (achievement->readdb_validate_criteria_weaponlv(c, &obj, entry->type, entry->id, index) == false)
				return false;

			/* Achievement */
			if (achievement->readdb_validate_criteria_achievement(c, &obj, entry->type, entry->id, index) == false)
				return false;

			/**
			 * Vectors are read last to avoid memory leaks if either of the above break, in cases where they are stacked with other criteria.
			 * Note to future editors - be sure to cleanup previous vectors before breaks.
			 */
			/* JobId */
			if (achievement->readdb_validate_criteria_jobid(c, &obj, entry->type, entry->id, index) == false)
				return false;
		} else if (achievement->type_requires_criteria(entry->type)) {
			ShowError("achievement_readdb_objective_sub: No criteria field added (Achievement: %d, Objective: %d)! Skipping...\n", entry->id, index);
			return false;
		}

		/* Goal */
		if (libconfig->setting_lookup_int(tt, "Goal", &obj.goal) <= 0)
			obj.goal = 1; // 1 count by default.

		/* Ensure size and allocation */
		VECTOR_ENSURE(entry->objective, 1, 1);

		/* Push buffer */
		VECTOR_PUSH(entry->objective, obj);
	} else { // Break if not in order, to comply with the client's objective order.
		ShowWarning("achievement_readdb_objective_sub: Objectives for Achievement %d are not in order (starting from *%d). Remaining objectives will be skipped.\n", entry->id, index);
		return false;
	}

	return true;
}

/**
 * Parses achievement objective entries of the current achievement db entry being parsed.
 * @param[in]  conf       config pointer.
 * @param[out] entry      pointer to the achievement db entry being parsed.
 * @return false on failure, true on success.
 */
static bool achievement_readdb_objectives(const struct config_setting_t *conf, struct achievement_data *entry)
{
	struct config_setting_t *t = NULL;

	nullpo_retr(false, conf);
	nullpo_retr(false, entry);

	if ((t = libconfig->setting_get_member(conf, "Objectives")) && config_setting_is_group(t)) {
		int i = 0;
		// Initialize the buffer objective vector.
		VECTOR_INIT(entry->objective);

		for (i = 0; i < libconfig->setting_length(t) && i < MAX_ACHIEVEMENT_OBJECTIVES; i++)
			if (achievement_readdb_objective_sub(t, i + 1, entry) == false)
				break;

		// Assess total objectives.
		if (libconfig->setting_length(t) > MAX_ACHIEVEMENT_OBJECTIVES)
			ShowWarning("achievement_readdb_objectives: Exceeded maximum number of objectives (%d) for Achievement %d. Remaining objectives will be skipped.\n", MAX_ACHIEVEMENT_OBJECTIVES, entry->id);
		if (i == 0) {
			ShowError("achievement_readdb_objectives: No Objectives provided for Achievement %d, skipping...\n", entry->id);
			return false;
		}
	} else {
		ShowError("achievement_readdb_objectives: No Objectives provided for Achievement %d, skipping...\n", entry->id);
		return false;
	} // end of "Objectives"

	return true;
}

/**
 * Validates a single reward item in the reward item list of an achievement.
 * @param[in] t       pointer to the config setting.
 * @param[in] index   Index of the item in the reward list.
 * @param[out] entry   pointer to the achievement entry being parsed.
 * @return false on failure, true on success.
 */
static bool achievement_readdb_validate_reward_item_sub(const struct config_setting_t *t, int index, struct achievement_data *entry)
{
	struct config_setting_t *it = NULL;
	struct achievement_reward_item item = { 0 };
	const char *name = NULL;
	int amount = 0;
	int val = 0;

	nullpo_retr(false, t);
	nullpo_retr(false, entry);

	if ((it = libconfig->setting_get_elem(t, index)) == NULL)
		return false;

	name = config_setting_name(it);
	amount = libconfig->setting_get_int(it);

	if (name[0] == 'I' && name[1] == 'D' && itemdb->exists(atoi(name+2))) {
		val = atoi(name);
	} else if (!script->get_constant(name, &val)) {
		ShowWarning("achievement_readdb_validate_reward_item_sub: Non existant Item %s provided as a reward in Achievement %d, skipping...\n", name, entry->id);
		return false;
	}

	if (amount <= 0) {
		ShowWarning("achievement_readdb_validate_reward_item_sub: No amount provided for Item %s as a reward in Achievement %d, skipping...\n", name, entry->id);
		return false;
	}

	/* Ensure size and allocation */
	VECTOR_ENSURE(entry->rewards.item, 1, 1);

	item.id = val;
	item.amount = amount;

	/* push buffer */
	VECTOR_PUSH(entry->rewards.item, item);

	return true;
}

/**
 * Validates the reward items when parsing an achievement db entry.
 * @param[in]  t        pointer to the config setting.
 * @param[out] entry    pointer to the achievement entry being parsed.
 */
static void achievement_readdb_validate_reward_items(const struct config_setting_t *t, struct achievement_data *entry)
{
	struct config_setting_t *tt = NULL;
	int i = 0;

	nullpo_retv(t);
	nullpo_retv(entry);

	if ((tt = libconfig->setting_get_member(t, "Items")) && config_setting_is_group(t)) {
		for (i = 0; i < libconfig->setting_length(tt) && i < MAX_ACHIEVEMENT_ITEM_REWARDS; i++)
			if (achievement->readdb_validate_reward_item_sub(tt, i, entry) == false)
				continue;

		if (libconfig->setting_length(tt) > MAX_ACHIEVEMENT_ITEM_REWARDS)
			ShowError("achievement_readdb_validate_reward_items: Maximum amount of item rewards (%d) exceeded for Achievement %d. Remaining items will be skipped.\n", MAX_ACHIEVEMENT_ITEM_REWARDS, entry->id);
	}
}

/**
 * Validates the reward Bonus script when parsing an achievement db entry.
 * @param[in] t        pointer to the config setting.
 * @param[out] entry    pointer to the achievement entry being parsed.
 * @param[in] source   pointer to the source file name.
 */
static void achievement_readdb_validate_reward_bonus(const struct config_setting_t *t, struct achievement_data *entry, const char *source)
{
	const char *string = NULL;

	nullpo_retv(source);
	nullpo_retv(t);
	nullpo_retv(entry);

	if (libconfig->setting_lookup_string(t, "Bonus", &string))
		entry->rewards.bonus = string ? script->parse(string, source, 0, SCRIPT_IGNORE_EXTERNAL_BRACKETS, NULL) : NULL;
}

/**
 * Validates the reward Title Id when parsing an achievement entry.
 * @param[in] t     pointer to the config setting.
 * @param[out] entry pointer to the entry.
 */
static void achievement_readdb_validate_reward_titleid(const struct config_setting_t *t, struct achievement_data *entry)
{
	nullpo_retv(t);
	nullpo_retv(entry);

	libconfig->setting_lookup_int(t, "TitleId", &entry->rewards.title_id);
}

/**
 * Validates the reward Bonus script when parsing an achievement db entry.
 * @param[in] conf     pointer to the config setting.
 * @param[out] entry    pointer to the achievement entry being parsed.
 * @param[in] source   pointer to the source file name.
 */
static bool achievement_readdb_rewards(const struct config_setting_t *conf, struct achievement_data *entry, const char *source)
{
	struct config_setting_t *t = NULL;

	nullpo_retr(false, conf);
	nullpo_retr(false, entry);
	nullpo_retr(false, source);

	VECTOR_INIT(entry->rewards.item);

	if ((t = libconfig->setting_get_member(conf, "Rewards")) && config_setting_is_group(t)) {
		/* Items */
		achievement->readdb_validate_reward_items(t, entry);

		/* Buff/Bonus Script Code */
		achievement->readdb_validate_reward_bonus(t, entry, source);

		/* Title Id */
		// @TODO Check Title ID against title DB!
		achievement->readdb_validate_reward_titleid(t, entry);

	}

	return true;
}

/**
 * Validates the reward Bonus script when parsing an achievement db entry.
 * @param[in] conf     pointer to the config setting.
 * @param[out] entry    pointer to the achievement entry being parsed.
 * @param[in] source   pointer to the source file name.
 */
static void achievement_readdb_additional_fields(const struct config_setting_t *conf, struct achievement_data *entry, const char *source)
{
	// plugins do their own thing.
}

/**
 * Parses the Achievement DB.
 * @read achievement_db.conf
 */
static void achievement_readb(void)
{
	const char *filename = "db/"DBPATH"achievement_db.conf";
	struct config_t ach_conf = { 0 };
	struct config_setting_t *achdb = NULL, *conf = NULL;
	int entry = 0, count = 0;
	VECTOR_DECL(int) duplicate;

	if (!libconfig->load_file(&ach_conf, filename))
		return; // report error.

	if (!(achdb = libconfig->setting_get_member(ach_conf.root, "achievement_db"))) {
		ShowError("achievement_readdb: Could not process contents of file '%s', skipping...\n", filename);
		libconfig->destroy(&ach_conf);
		return;
	}

	VECTOR_INIT(duplicate);

	while ((conf = libconfig->setting_get_elem(achdb, entry++))) {
		const char *string = NULL;
		int val = 0, i = 0;
		struct achievement_data t_ad = { 0 }, *p_ad = NULL;

		/* Achievement ID */
		if (libconfig->setting_lookup_int(conf, "Id", &t_ad.id) == 0) {
			ShowError("achievement_readdb: Id field for entry %d is not provided! Skipping...\n", entry);
			continue;
		} else if (t_ad.id <= 0) {
			ShowError("achievement_readdb: Invalid Id %d for entry %d. Skipping...\n", t_ad.id, entry);
			continue;
		}

		ARR_FIND(0, VECTOR_LENGTH(duplicate), i, VECTOR_INDEX(duplicate, i) == t_ad.id);
		if (i != VECTOR_LENGTH(duplicate)) {
			ShowError("achievement_readdb: Duplicate Id %d for entry %d. Skipping...\n", t_ad.id, entry);
			continue;
		}

		/* Achievement Name */
		if (libconfig->setting_lookup_mutable_string(conf, "Name", t_ad.name, ACHIEVEMENT_NAME_LENGTH) == 0) {
			ShowError("achievement_readdb: Name field not provided for Achievement %d!\n", t_ad.id);
			continue;
		}

		/* Achievement Type*/
		if (libconfig->setting_lookup_string(conf, "Type", &string) == 0) {
			ShowError("achievement_readdb: Type field not provided for Achievement %d! Skipping...\n", t_ad.id);
			continue;
		} else if (!script->get_constant(string, &val)) {
			ShowError("achievement_readdb: Invalid constant %s provided as type for Achievement %d! Skipping...\n", string, t_ad.id);
			continue;
		}

		t_ad.type = (enum achievement_types) val;

		/* Objectives */
		achievement->readdb_objectives(conf, &t_ad);

		/* Rewards */
		achievement->readdb_rewards(conf, &t_ad, filename);

		/* Achievement Points */
		libconfig->setting_lookup_int(conf, "Points", &t_ad.points);

		/* Additional Fields */
		achievement->readdb_additional_fields(conf, &t_ad, filename);

		/* Allocate memory for data. */
		CREATE(p_ad, struct achievement_data, 1);
		*p_ad = t_ad;

		/* Place in the database. */
		idb_put(achievement->db, p_ad->id, p_ad);

		/* Put achievement key in categories. */
		VECTOR_ENSURE(achievement->category[p_ad->type], 1, 1);
		VECTOR_PUSH(achievement->category[p_ad->type], p_ad->id);

		/* Qualify for duplicate Id checks */
		VECTOR_ENSURE(duplicate, 1, 1);
		VECTOR_PUSH(duplicate, t_ad.id);

		count++;
	} // end of achievement_db parsing.

	/* Destroy the buffer */
	libconfig->destroy(&ach_conf);

	VECTOR_CLEAR(duplicate);

	ShowStatus("Done reading '"CL_WHITE"%d"CL_RESET"' entries in '"CL_WHITE"%s"CL_RESET"'.\n", count, filename);
}

/**
 * On server initiation.
 * @param[in] minimal ignores alocating/reading databases.
 */
static void do_init_achievement(bool minimal)
{
	int i = 0;

	if (minimal)
		return;

	/* DB Initialization */
	achievement->db = idb_alloc(DB_OPT_RELEASE_DATA);

	for (i = 0; i < ACH_TYPE_MAX; i++)
		VECTOR_INIT(achievement->category[i]);

	VECTOR_INIT(achievement->rank_exp);

	/* Read LibConfig Files */
	achievement->readdb();
	achievement->readdb_ranks();
}

/**
 * Cleaning function called through achievement->db->destroy()
 */
static int achievement_db_finalize(union DBKey key, struct DBData *data, va_list args)
{
	int i = 0;
	struct achievement_data *ad = DB->data2ptr(data);

	for(i = 0; i < VECTOR_LENGTH(ad->objective); i++)
		VECTOR_CLEAR(VECTOR_INDEX(ad->objective, i).jobid);

	VECTOR_CLEAR(ad->objective);
	VECTOR_CLEAR(ad->rewards.item);

	// Free the script
	if (ad->rewards.bonus != NULL) {
		script->free_code(ad->rewards.bonus);
		ad->rewards.bonus = NULL;
	}

	return 0;
}

/**
 * On server finalizing.
 */
static void do_final_achievement(void)
{
	int i = 0;

	achievement->db->destroy(achievement->db, achievement->db_finalize);

	for (i = 0; i < ACH_TYPE_MAX; i++)
		VECTOR_CLEAR(achievement->category[i]);

	VECTOR_CLEAR(achievement->rank_exp);
}

/**
 * Achievement Interface
 */
void achievement_defaults(void)
{
	achievement = &achievement_s;
	/* */
	achievement->init = do_init_achievement;
	achievement->final = do_final_achievement;
	/* */
	achievement->db_finalize = achievement_db_finalize;
	/* */
	achievement->readdb = achievement_readb;
	/* */
	achievement->readdb_objectives_sub = achievement_readdb_objective_sub;
	achievement->readdb_objectives = achievement_readdb_objectives;
	/* */
	achievement->readdb_validate_criteria_mobid = achievement_readdb_validate_criteria_mobid;
	achievement->readdb_validate_criteria_jobid = achievement_readdb_validate_criteria_jobid;
	achievement->readdb_validate_criteria_itemid = achievement_readdb_validate_criteria_itemid;
	achievement->readdb_validate_criteria_statustype = achievement_readdb_validate_criteria_statustype;
	achievement->readdb_validate_criteria_itemtype = achievement_readdb_validate_criteria_itemtype;
	achievement->readdb_validate_criteria_weaponlv = achievement_readdb_validate_criteria_weaponlv;
	achievement->readdb_validate_criteria_achievement = achievement_readdb_validate_criteria_achievement;
	/* */
	achievement->readdb_rewards = achievement_readdb_rewards;
	achievement->readdb_validate_reward_items = achievement_readdb_validate_reward_items;
	achievement->readdb_validate_reward_item_sub = achievement_readdb_validate_reward_item_sub;
	achievement->readdb_validate_reward_bonus = achievement_readdb_validate_reward_bonus;
	achievement->readdb_validate_reward_titleid = achievement_readdb_validate_reward_titleid;
	/* */
	achievement->readdb_additional_fields = achievement_readdb_additional_fields;
	/* */
	achievement->readdb_ranks = achievement_readdb_ranks;
	/* */
	achievement->get = achievement_get;
	achievement->ensure = achievement_ensure;
	/* */
	achievement->calculate_totals = achievement_calculate_totals;
	achievement->check_complete = achievement_check_complete;
	achievement->progress_add = achievement_progress_add;
	achievement->progress_set = achievement_progress_set;
	achievement->check_criteria = achievement_check_criteria;
	/* */
	achievement->validate = achievement_validate;
	achievement->validate_type = achievement_validate_type;
	/* */
	achievement->validate_mob_kill = achievement_validate_mob_kill;
	achievement->validate_mob_damage = achievement_validate_mob_damage;
	achievement->validate_pc_kill = achievement_validate_pc_kill;
	achievement->validate_pc_damage = achievement_validate_pc_damage;
	achievement->validate_jobchange = achievement_validate_jobchange;
	achievement->validate_stats = achievement_validate_stats;
	achievement->validate_chatroom_create = achievement_validate_chatroom_create;
	achievement->validate_chatroom_members = achievement_validate_chatroom_members;
	achievement->validate_friend_add = achievement_validate_friend_add;
	achievement->validate_party_create = achievement_validate_party_create;
	achievement->validate_marry = achievement_validate_marry;
	achievement->validate_adopt = achievement_validate_adopt;
	achievement->validate_zeny = achievement_validate_zeny;
	achievement->validate_refine = achievement_validate_refine;
	achievement->validate_item_get = achievement_validate_item_get;
	achievement->validate_item_sell = achievement_validate_item_sell;
	achievement->validate_achieve = achievement_validate_achieve;
	achievement->validate_taming = achievement_validate_taming;
	achievement->validate_achievement_rank = achievement_validate_achievement_rank;
	/* */
	achievement->type_requires_criteria = achievement_type_requires_criteria;
	/* */
	achievement->init_titles = achievement_init_titles;
	achievement->check_title = achievement_check_title;
	achievement->get_rewards = achievement_get_rewards;
}