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Artifact and #offer rebalance, part 1: sacrifice gifts

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In 3.6, artifact gifts are often either a) entirely useless or
b) gamebreaking, neither of which is really ideal from a balance
perspective.

This commit aims to make artifact gifts more useful in the early
game by greatly increasing the chance for situational artifacts to
generate positively enchanted.  However, the most powerful
artifacts will now only be gifted if you offer a high-value corpse,
meaning that they are only likely to be accessible later in the
game.  The selection of which artifact to gift has become more
complicated in order to a) increase the chance that it fits the
character and b) reduce cheese strategies (e.g. it is no longer
possible for elves to force the gifting of Stormbringer as the
first sacrifice gift).
This commit is contained in:
Alex Smith
2024-12-12 03:14:47 +00:00
parent aedb24d343
commit d87cadaf73
8 changed files with 163 additions and 83 deletions
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2
include/artifact.h
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@@ -49,6 +49,8 @@ struct artifact {
aligntyp alignment; /* alignment of bequeathing gods */
short role; /* character role associated with */
short race; /* character race associated with */
schar gen_spe; /* bias to spe when gifted or randomly generated */
uchar gift_value; /* minimum sacrifice value to be gifted this */
long cost; /* price when sold to hero (default 100 x base cost) */
char acolor; /* color to use if artifact 'glows' */
};

152
include/artilist.h
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@@ -7,28 +7,28 @@
/* in makedefs.c, all we care about is the list of names */
#define A(nam, typ, s1, s2, mt, atk, dfn, cry, inv, al, cl, rac, \
cost, clr, bn) nam
gs, gv, cost, clr, bn) nam
static const char *const artifact_names[] = {
#elif defined(ARTI_ENUM)
#define A(nam, typ, s1, s2, mt, atk, dfn, cry, inv, al, cl, rac, \
cost, clr, bn) \
gs, gv, cost, clr, bn) \
ART_##bn
#elif defined(DUMP_ARTI_ENUM)
#define A(nam, typ, s1, s2, mt, atk, dfn, cry, inv, al, cl, rac, \
cost, clr, bn) \
gs, gv, cost, clr, bn) \
{ ART_##bn, "ART_" #bn }
#else
/* in artifact.c, set up the actual artifact list structure;
color field is for an artifact when it glows, not for the item itself */
#define A(nam, typ, s1, s2, mt, atk, dfn, cry, inv, al, cl, rac, \
cost, clr, bn) \
gs, gv, cost, clr, bn) \
{ \
typ, nam, s1, s2, mt, atk, dfn, cry, inv, al, cl, rac, \
cost, clr \
gs, gv, cost, clr \
}
/* clang-format off */
@@ -52,24 +52,47 @@ static NEARDATA struct artifact artilist[] = {
* 1. The more useful the artifact, the better its cost.
* 2. Quest artifacts are highly valued.
* 3. Chaotic artifacts are inflated due to scarcity (and balance).
*
* Artifact gen_spe rationale:
* 1. If the artifact is useful against most enemies, +0.
* 2. If the artifact is useful against only a few enemies, usually +2.
* This gives the artifact use to early-game characters who receive
* it as a gift or find it on the ground.
* 3. Role gift gen_spe is chosen to balance against the role's
* default starting weapon (it should be better, but need not be
* much better).
* 4. This can be modified as required for special cases.
* (In some cases, like Excalibur, the value is irrelevant.)
* 5. Nonweapon spe may have a special meaning, so gen_spe for
* nonweapons must always be 0.
*
* Artifact gift_value is chosen so that "endgame-quality" artifacts are
* not gifted in the early game (so that characters don't grind on an
* altar early-game until they have their endgame weapon, then use it to
* carry them through the game). Those artifacts have values ranging from
* around 8 to 10, based on how good the artifact is. Less powerful
* artifacts have values in the 1 to 5 range. Values in between are used
* for conditionally good artifacts. (Note that the value of a gift is
* normally 1 higher than the difficulty of the monster.)
*/
/* dummy element #0, so that all interesting indices are non-zero */
A("", STRANGE_OBJECT, 0, 0, 0, NO_ATTK, NO_DFNS, NO_CARY, 0, A_NONE,
NON_PM, NON_PM, 0L, NO_COLOR, NONARTIFACT),
NON_PM, NON_PM,
0, 0, 0L, NO_COLOR, NONARTIFACT),
A("Excalibur", LONG_SWORD, (SPFX_NOGEN | SPFX_RESTR | SPFX_SEEK
| SPFX_DEFN | SPFX_INTEL | SPFX_SEARCH),
0, 0, PHYS(5, 10), DRLI(0, 0), NO_CARY, 0, A_LAWFUL, PM_KNIGHT, NON_PM,
4000L, NO_COLOR, EXCALIBUR),
0, 10, 4000L, NO_COLOR, EXCALIBUR),
/*
* Stormbringer only has a 2 because it can drain a level,
* providing 8 more.
*/
A("Stormbringer", RUNESWORD,
(SPFX_RESTR | SPFX_ATTK | SPFX_DEFN | SPFX_INTEL | SPFX_DRLI), 0, 0,
DRLI(5, 2), DRLI(0, 0), NO_CARY, 0, A_CHAOTIC, NON_PM, NON_PM, 8000L,
NO_COLOR, STORMBRINGER),
DRLI(5, 2), DRLI(0, 0), NO_CARY, 0, A_CHAOTIC, NON_PM, NON_PM,
0, 9, 8000L, NO_COLOR, STORMBRINGER),
/*
* Mjollnir can be thrown when wielded if hero has 25 Strength
* (usually via gauntlets of power but possible with rings of
@@ -84,10 +107,12 @@ static NEARDATA struct artifact artilist[] = {
*/
A("Mjollnir", WAR_HAMMER, /* Mjo:llnir */
(SPFX_RESTR | SPFX_ATTK), 0, 0, ELEC(5, 24), NO_DFNS, NO_CARY, 0,
A_NEUTRAL, PM_VALKYRIE, NON_PM, 4000L, NO_COLOR, MJOLLNIR),
A_NEUTRAL, PM_VALKYRIE, NON_PM,
0, 8, 4000L, NO_COLOR, MJOLLNIR),
A("Cleaver", BATTLE_AXE, SPFX_RESTR, 0, 0, PHYS(3, 6), NO_DFNS, NO_CARY,
0, A_NEUTRAL, PM_BARBARIAN, NON_PM, 1500L, NO_COLOR, CLEAVER),
0, A_NEUTRAL, PM_BARBARIAN, NON_PM,
0, 8, 1500L, NO_COLOR, CLEAVER),
/*
* Grimtooth glows in warning when elves are present, but its
@@ -96,7 +121,8 @@ static NEARDATA struct artifact artilist[] = {
*/
A("Grimtooth", ORCISH_DAGGER, (SPFX_RESTR | SPFX_WARN | SPFX_DFLAG2),
0, M2_ELF, PHYS(2, 6), NO_DFNS,
NO_CARY, 0, A_CHAOTIC, NON_PM, PM_ORC, 300L, CLR_RED, GRIMTOOTH),
NO_CARY, 0, A_CHAOTIC, NON_PM, PM_ORC,
0, 5, 300L, CLR_RED, GRIMTOOTH),
/*
* Orcrist and Sting have same alignment as elves.
*
@@ -105,56 +131,56 @@ static NEARDATA struct artifact artilist[] = {
* Sting and Orcrist will warn of M2_ORC monsters.
*/
A("Orcrist", ELVEN_BROADSWORD, (SPFX_WARN | SPFX_DFLAG2), 0, M2_ORC,
PHYS(5, 0), NO_DFNS, NO_CARY, 0, A_CHAOTIC, NON_PM, PM_ELF, 2000L,
CLR_BRIGHT_BLUE, ORCRIST), /* bright blue is actually light blue */
PHYS(5, 0), NO_DFNS, NO_CARY, 0, A_CHAOTIC, NON_PM, PM_ELF,
3, 4, 2000L, CLR_BRIGHT_BLUE, ORCRIST), /* actually light blue */
A("Sting", ELVEN_DAGGER, (SPFX_WARN | SPFX_DFLAG2), 0, M2_ORC,
PHYS(5, 0), NO_DFNS, NO_CARY, 0, A_CHAOTIC, NON_PM, PM_ELF, 800L,
CLR_BRIGHT_BLUE, STING),
PHYS(5, 0), NO_DFNS, NO_CARY, 0, A_CHAOTIC, NON_PM, PM_ELF,
3, 1, 800L, CLR_BRIGHT_BLUE, STING),
/*
* Magicbane is a bit different! Its magic fanfare
* unbalances victims in addition to doing some damage.
*/
A("Magicbane", ATHAME, (SPFX_RESTR | SPFX_ATTK | SPFX_DEFN), 0, 0,
STUN(3, 4), DFNS(AD_MAGM), NO_CARY, 0, A_NEUTRAL, PM_WIZARD, NON_PM,
3500L, NO_COLOR, MAGICBANE),
0, 7, 3500L, NO_COLOR, MAGICBANE),
A("Frost Brand", LONG_SWORD, (SPFX_RESTR | SPFX_ATTK | SPFX_DEFN), 0, 0,
COLD(5, 0), COLD(0, 0), NO_CARY, 0, A_NONE, NON_PM, NON_PM, 3000L,
NO_COLOR, FROST_BRAND),
COLD(5, 0), COLD(0, 0), NO_CARY, 0, A_NONE, NON_PM, NON_PM,
0, 9, 3000L, NO_COLOR, FROST_BRAND),
A("Fire Brand", LONG_SWORD, (SPFX_RESTR | SPFX_ATTK | SPFX_DEFN), 0, 0,
FIRE(5, 0), FIRE(0, 0), NO_CARY, 0, A_NONE, NON_PM, NON_PM, 3000L,
NO_COLOR, FIRE_BRAND),
FIRE(5, 0), FIRE(0, 0), NO_CARY, 0, A_NONE, NON_PM, NON_PM,
0, 5, 3000L, NO_COLOR, FIRE_BRAND),
A("Dragonbane", BROADSWORD,
(SPFX_RESTR | SPFX_DCLAS | SPFX_REFLECT), 0, S_DRAGON,
PHYS(5, 0), NO_DFNS, NO_CARY, 0, A_NONE, NON_PM, NON_PM, 500L,
NO_COLOR, DRAGONBANE),
PHYS(5, 0), NO_DFNS, NO_CARY, 0, A_NONE, NON_PM, NON_PM,
2, 5, 500L, NO_COLOR, DRAGONBANE),
A("Demonbane", MACE, (SPFX_RESTR | SPFX_DFLAG2), 0, M2_DEMON,
PHYS(5, 0), NO_DFNS, NO_CARY, BANISH, A_LAWFUL, PM_CLERIC, NON_PM,
2500L, NO_COLOR, DEMONBANE),
1, 3, 2500L, NO_COLOR, DEMONBANE),
A("Werebane", SILVER_SABER, (SPFX_RESTR | SPFX_DFLAG2), 0, M2_WERE,
PHYS(5, 0), DFNS(AD_WERE), NO_CARY, 0, A_NONE, NON_PM, NON_PM, 1500L,
NO_COLOR, WEREBANE),
PHYS(5, 0), DFNS(AD_WERE), NO_CARY, 0, A_NONE, NON_PM, NON_PM,
1, 4, 1500L, NO_COLOR, WEREBANE),
A("Grayswandir", SILVER_SABER, (SPFX_RESTR | SPFX_HALRES), 0, 0,
PHYS(5, 0), NO_DFNS, NO_CARY, 0, A_LAWFUL, NON_PM, NON_PM, 8000L,
NO_COLOR, GRAYSWANDIR),
PHYS(5, 0), NO_DFNS, NO_CARY, 0, A_LAWFUL, NON_PM, NON_PM,
0, 10, 8000L, NO_COLOR, GRAYSWANDIR),
A("Giantslayer", LONG_SWORD, (SPFX_RESTR | SPFX_DFLAG2), 0, M2_GIANT,
PHYS(5, 0), NO_DFNS, NO_CARY, 0, A_NEUTRAL, NON_PM, NON_PM, 200L,
NO_COLOR, GIANTSLAYER),
PHYS(5, 0), NO_DFNS, NO_CARY, 0, A_NEUTRAL, NON_PM, NON_PM,
2, 4, 200L, NO_COLOR, GIANTSLAYER),
A("Ogresmasher", WAR_HAMMER, (SPFX_RESTR | SPFX_DCLAS), 0, S_OGRE,
PHYS(5, 0), NO_DFNS, NO_CARY, 0, A_NONE, NON_PM, NON_PM, 200L,
NO_COLOR, OGRESMASHER),
PHYS(5, 0), NO_DFNS, NO_CARY, 0, A_NONE, NON_PM, NON_PM,
2, 1, 200L, NO_COLOR, OGRESMASHER),
A("Trollsbane", MORNING_STAR, (SPFX_RESTR | SPFX_DCLAS), 0, S_TROLL,
PHYS(5, 0), NO_DFNS, NO_CARY, 0, A_NONE, NON_PM, NON_PM, 200L,
NO_COLOR, TROLLSBANE),
PHYS(5, 0), NO_DFNS, NO_CARY, 0, A_NONE, NON_PM, NON_PM,
2, 1, 200L, NO_COLOR, TROLLSBANE),
/*
* Two problems: 1) doesn't let trolls regenerate heads,
@@ -162,8 +188,8 @@ static NEARDATA struct artifact artilist[] = {
* allowing those at all causes more problems than worth the effort).
*/
A("Vorpal Blade", LONG_SWORD, (SPFX_RESTR | SPFX_BEHEAD), 0, 0,
PHYS(5, 1), NO_DFNS, NO_CARY, 0, A_NEUTRAL, NON_PM, NON_PM, 4000L,
NO_COLOR, VORPAL_BLADE),
PHYS(5, 1), NO_DFNS, NO_CARY, 0, A_NEUTRAL, NON_PM, NON_PM,
1, 5, 4000L, NO_COLOR, VORPAL_BLADE),
/*
* Ah, never shall I forget the cry,
@@ -174,33 +200,38 @@ static NEARDATA struct artifact artilist[] = {
* (From Sir W.S. Gilbert's "The Mikado")
*/
A("Snickersnee", KATANA, SPFX_RESTR, 0, 0, PHYS(0, 8), NO_DFNS, NO_CARY,
0, A_LAWFUL, PM_SAMURAI, NON_PM, 1200L, NO_COLOR, SNICKERSNEE),
0, A_LAWFUL, PM_SAMURAI, NON_PM,
0, 8, 1200L, NO_COLOR, SNICKERSNEE),
/* Sunsword emits light when wielded (handled in the core rather than
via artifact fields), but that light has no particular color */
A("Sunsword", LONG_SWORD, (SPFX_RESTR | SPFX_DFLAG2), 0, M2_UNDEAD,
PHYS(5, 0), DFNS(AD_BLND), NO_CARY, BLINDING_RAY, A_LAWFUL, NON_PM,
NON_PM, 1500L, NO_COLOR, SUNSWORD),
NON_PM,
0, 6, 1500L, NO_COLOR, SUNSWORD),
/*
* The artifacts for the quest dungeon, all self-willed.
* gen_spe should be 0; gift_value irrelevant and set to 12.
*/
A("The Orb of Detection", CRYSTAL_BALL,
(SPFX_NOGEN | SPFX_RESTR | SPFX_INTEL), (SPFX_ESP | SPFX_HSPDAM), 0,
NO_ATTK, NO_DFNS, CARY(AD_MAGM), INVIS, A_LAWFUL, PM_ARCHEOLOGIST,
NON_PM, 2500L, NO_COLOR, ORB_OF_DETECTION),
NON_PM,
0, 12, 2500L, NO_COLOR, ORB_OF_DETECTION),
A("The Heart of Ahriman", LUCKSTONE,
(SPFX_NOGEN | SPFX_RESTR | SPFX_INTEL), SPFX_STLTH, 0,
/* this stone does double damage if used as a projectile weapon */
PHYS(5, 0), NO_DFNS, NO_CARY, LEVITATION, A_NEUTRAL, PM_BARBARIAN,
NON_PM, 2500L, NO_COLOR, HEART_OF_AHRIMAN),
NON_PM,
0, 12, 2500L, NO_COLOR, HEART_OF_AHRIMAN),
A("The Sceptre of Might", MACE,
(SPFX_NOGEN | SPFX_RESTR | SPFX_INTEL | SPFX_DALIGN), 0, 0, PHYS(5, 0),
DFNS(AD_MAGM), NO_CARY, CONFLICT, A_LAWFUL, PM_CAVE_DWELLER, NON_PM,
2500L, NO_COLOR, SCEPTRE_OF_MIGHT),
0, 12, 2500L, NO_COLOR, SCEPTRE_OF_MIGHT),
#if 0 /* OBSOLETE -- from 3.1.0 to 3.2.x, this was quest artifact for the
* Elf role; in 3.3.0 elf became a race available to several roles
@@ -209,35 +240,37 @@ static NEARDATA struct artifact artilist[] = {
A("The Palantir of Westernesse", CRYSTAL_BALL,
(SPFX_NOGEN | SPFX_RESTR | SPFX_INTEL),
(SPFX_ESP | SPFX_REGEN | SPFX_HSPDAM), 0,
NO_ATTK, NO_DFNS, NO_CARY, TAMING, A_CHAOTIC, NON_PM, PM_ELF, 8000L,
NO_COLOR, PALANTIR_OF_WESTERNESSE),
NO_ATTK, NO_DFNS, NO_CARY, TAMING, A_CHAOTIC, NON_PM, PM_ELF,
0, 12, 8000L, NO_COLOR, PALANTIR_OF_WESTERNESSE),
#endif
A("The Staff of Aesculapius", QUARTERSTAFF,
(SPFX_NOGEN | SPFX_RESTR | SPFX_ATTK | SPFX_INTEL | SPFX_DRLI
| SPFX_REGEN),
0, 0, DRLI(0, 0), DRLI(0, 0), NO_CARY, HEALING, A_NEUTRAL, PM_HEALER,
NON_PM, 5000L, NO_COLOR, STAFF_OF_AESCULAPIUS),
NON_PM,
0, 12, 5000L, NO_COLOR, STAFF_OF_AESCULAPIUS),
A("The Magic Mirror of Merlin", MIRROR,
(SPFX_NOGEN | SPFX_RESTR | SPFX_INTEL | SPFX_SPEAK), SPFX_ESP, 0,
NO_ATTK, NO_DFNS, CARY(AD_MAGM), 0, A_LAWFUL, PM_KNIGHT, NON_PM, 1500L,
NO_COLOR, MAGIC_MIRROR_OF_MERLIN),
NO_ATTK, NO_DFNS, CARY(AD_MAGM), 0, A_LAWFUL, PM_KNIGHT, NON_PM,
0, 12, 1500L, NO_COLOR, MAGIC_MIRROR_OF_MERLIN),
A("The Eyes of the Overworld", LENSES,
(SPFX_NOGEN | SPFX_RESTR | SPFX_INTEL | SPFX_XRAY), 0, 0, NO_ATTK,
DFNS(AD_MAGM), NO_CARY, ENLIGHTENING, A_NEUTRAL, PM_MONK, NON_PM,
2500L, NO_COLOR, EYES_OF_THE_OVERWORLD),
0, 12, 2500L, NO_COLOR, EYES_OF_THE_OVERWORLD),
A("The Mitre of Holiness", HELM_OF_BRILLIANCE,
(SPFX_NOGEN | SPFX_RESTR | SPFX_DFLAG2 | SPFX_INTEL | SPFX_PROTECT), 0,
M2_UNDEAD, NO_ATTK, NO_DFNS, CARY(AD_FIRE), ENERGY_BOOST, A_LAWFUL,
PM_CLERIC, NON_PM, 2000L, NO_COLOR, MITRE_OF_HOLINESS),
PM_CLERIC, NON_PM,
0, 12, 2000L, NO_COLOR, MITRE_OF_HOLINESS),
A("The Longbow of Diana", BOW,
(SPFX_NOGEN | SPFX_RESTR | SPFX_INTEL | SPFX_REFLECT), SPFX_ESP, 0,
PHYS(5, 0), NO_DFNS, NO_CARY, CREATE_AMMO, A_CHAOTIC, PM_RANGER, NON_PM,
4000L, NO_COLOR, LONGBOW_OF_DIANA),
0, 12, 4000L, NO_COLOR, LONGBOW_OF_DIANA),
/* MKoT has an additional carry property if the Key is not cursed (for
rogues) or blessed (for non-rogues): #untrap of doors and chests
@@ -245,38 +278,39 @@ static NEARDATA struct artifact artilist[] = {
A("The Master Key of Thievery", SKELETON_KEY,
(SPFX_NOGEN | SPFX_RESTR | SPFX_INTEL | SPFX_SPEAK),
(SPFX_WARN | SPFX_TCTRL | SPFX_HPHDAM), 0, NO_ATTK, NO_DFNS, NO_CARY,
UNTRAP, A_CHAOTIC, PM_ROGUE, NON_PM, 3500L, NO_COLOR,
MASTER_KEY_OF_THIEVERY),
UNTRAP, A_CHAOTIC, PM_ROGUE, NON_PM,
0, 12, 3500L, NO_COLOR, MASTER_KEY_OF_THIEVERY),
A("The Tsurugi of Muramasa", TSURUGI,
(SPFX_NOGEN | SPFX_RESTR | SPFX_INTEL | SPFX_BEHEAD | SPFX_LUCK
| SPFX_PROTECT),
0, 0, PHYS(0, 8), NO_DFNS, NO_CARY, 0, A_LAWFUL, PM_SAMURAI, NON_PM,
4500L, NO_COLOR, TSURUGI_OF_MURAMASA),
0, 12, 4500L, NO_COLOR, TSURUGI_OF_MURAMASA),
A("The Platinum Yendorian Express Card", CREDIT_CARD,
(SPFX_NOGEN | SPFX_RESTR | SPFX_INTEL | SPFX_DEFN),
(SPFX_ESP | SPFX_HSPDAM), 0, NO_ATTK, NO_DFNS, CARY(AD_MAGM),
CHARGE_OBJ, A_NEUTRAL, PM_TOURIST, NON_PM, 7000L, NO_COLOR,
YENDORIAN_EXPRESS_CARD),
CHARGE_OBJ, A_NEUTRAL, PM_TOURIST, NON_PM,
0, 12, 7000L, NO_COLOR, YENDORIAN_EXPRESS_CARD),
A("The Orb of Fate", CRYSTAL_BALL,
(SPFX_NOGEN | SPFX_RESTR | SPFX_INTEL | SPFX_LUCK),
(SPFX_WARN | SPFX_HSPDAM | SPFX_HPHDAM), 0, NO_ATTK, NO_DFNS, NO_CARY,
LEV_TELE, A_NEUTRAL, PM_VALKYRIE, NON_PM, 3500L, NO_COLOR,
ORB_OF_FATE),
LEV_TELE, A_NEUTRAL, PM_VALKYRIE, NON_PM,
0, 12, 3500L, NO_COLOR, ORB_OF_FATE),
A("The Eye of the Aethiopica", AMULET_OF_ESP,
(SPFX_NOGEN | SPFX_RESTR | SPFX_INTEL), (SPFX_EREGEN | SPFX_HSPDAM), 0,
NO_ATTK, DFNS(AD_MAGM), NO_CARY, CREATE_PORTAL, A_NEUTRAL, PM_WIZARD,
NON_PM, 4000L, NO_COLOR, EYE_OF_THE_AETHIOPICA),
NON_PM,
0, 12, 4000L, NO_COLOR, EYE_OF_THE_AETHIOPICA),
#if !defined(ARTI_ENUM) && !defined(DUMP_ARTI_ENUM)
/*
* terminator; otyp must be zero
*/
A(0, 0, 0, 0, 0, NO_ATTK, NO_DFNS, NO_CARY, 0, A_NONE, NON_PM, NON_PM, 0L,
NO_COLOR, TERMINATOR)
A(0, 0, 0, 0, 0, NO_ATTK, NO_DFNS, NO_CARY, 0, A_NONE, NON_PM, NON_PM,
0, 0, 0L, NO_COLOR, TERMINATOR)
}; /* artilist[] (or artifact_names[]) */
#endif

2
include/extern.h
View File

@@ -137,7 +137,7 @@ extern void init_artifacts(void);
extern void save_artifacts(NHFILE *);
extern void restore_artifacts(NHFILE *);
extern const char *artiname(int);
extern struct obj *mk_artifact(struct obj *, aligntyp);
extern struct obj *mk_artifact(struct obj *, aligntyp, uchar);
extern const char *artifact_name(const char *, short *, boolean) NONNULLARG1;
extern boolean exist_artifact(int, const char *) NONNULLPTRS;
extern void artifact_exists(struct obj *, const char *, boolean, unsigned) ;