465 lines
19 KiB
TypeScript
465 lines
19 KiB
TypeScript
import type { ActiveAura, AuraDefinition } from "./combatAuras";
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import type { EnemyAuraEffectSignature, EnemyAuraSpellSignature } from "./enemySourceAuras";
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/** AzerothCore SpellAuraDefines.h aura ids consumed by ordinary NPC blocking. */
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export const SPELL_AURA_MOD_BLOCK_PERCENT = 51;
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export const SPELL_AURA_MOD_BLOCK_CRIT_CHANCE = 253;
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export const SPELL_AURA_IGNORE_HIT_DIRECTION = 288;
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export type EnemyBlockAuraSourceProfile = "wow335" | "ascension" | "epoch";
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export interface EnemyBlockAuraContract {
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readonly spellId: number;
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readonly name: string;
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readonly profile: EnemyBlockAuraSourceProfile;
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/** Raw Spell.dbc duration, with -1 representing the permanent duration row. */
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readonly signature: EnemyAuraSpellSignature;
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/** Runtime duration; null means until explicitly removed. */
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readonly durationMs: number | null;
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readonly disposition: "buff";
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readonly target: "self";
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readonly stackAmount: number;
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readonly effects: readonly EnemyAuraEffectSignature[];
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readonly unsupportedEffects: readonly {
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readonly effectIndex: number;
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readonly auraType: number;
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readonly basePoints: number;
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readonly miscValue: number;
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readonly reason: string;
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}[];
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readonly blockInputs: EnemyNpcBlockAuraInputs;
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}
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export interface EnemyNpcBlockAuraInputs {
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/** Sum of active SPELL_AURA_MOD_BLOCK_PERCENT amounts, in percentage points. */
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readonly blockChanceAuraPercent: number;
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/** Integer chance passed to AzerothCore's roll_chance_i after a successful block roll. */
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readonly criticalBlockChancePercent: number;
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/** Any active SPELL_AURA_IGNORE_HIT_DIRECTION effect bypasses facing. */
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readonly ignoresHitDirection: boolean;
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}
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/**
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* Applicability evidence required before importing Critical Block's aura-107
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* siblings as no-ops. The core pin describes the default AzerothCore path;
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* callers must not assert it when custom scripts/modules change that path.
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*/
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export interface EnemyNpcCriticalBlockImportProof {
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readonly defenderId: string;
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readonly casterId: string;
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readonly targetId: string;
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readonly defenderKind: "ordinary-creature";
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readonly isNativeDefender: false;
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readonly isSummonedDefender: false;
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readonly isCharacterDefender: false;
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readonly aura107Applicability: "azerothcore-e822d718-default-spellmod-path";
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}
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export const ENEMY_BLOCK_AURA_SOURCE_PINS = Object.freeze({
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wow335: Object.freeze({
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spellDbcPath: "../wow-pvt-server-backups-2/wow335a/Data/patch-A.MPQ/DBFilesClient/Spell.dbc",
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spellDbcSha256: "57011d528fd66cf39f5ab6fb168e389ab9e4cc1b8050f7201a54239d489b415c",
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durationDbcPath: "../LadiksMPQEditor/client-current/patch-S/DBFilesClient/SpellDuration.dbc",
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durationDbcSha256: "eeae44ef0185924f3d6ec57ab2701c66566db86e51ab0bae017a9449126eb3a0",
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}),
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ascension: Object.freeze({
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spellDbcPath: "../LadiksMPQEditor/client-current/area-52/patch-D/DBFilesClient/Spell.dbc",
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spellDbcSha256: "2f77f18b91ffbae32a19568e4bc05ec78ee384b6ba8dd2a6e05f0e97abbb2dce",
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durationDbcPath: "../LadiksMPQEditor/client-current/patch-S/DBFilesClient/SpellDuration.dbc",
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durationDbcSha256: "eeae44ef0185924f3d6ec57ab2701c66566db86e51ab0bae017a9449126eb3a0",
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}),
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epoch: Object.freeze({
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spellDbcPath: "../HealerMan-Storage/pipeline-work/dungeons/epoch-client/DBFilesClient/Spell.dbc",
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spellDbcSha256: "d5cce1a83550dcfa9eb2f0251dbb11fd24c272534b2b1a9b230924a44d817ab3",
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durationDbcPath: "../LadiksMPQEditor/client-current/patch-S/DBFilesClient/SpellDuration.dbc",
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durationDbcSha256: "eeae44ef0185924f3d6ec57ab2701c66566db86e51ab0bae017a9449126eb3a0",
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}),
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});
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const tagPrefix = "enemy-npc-block-aura:";
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const tag = (auraType: number, amount: number): string => `${tagPrefix}${auraType}:${amount}`;
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const auraInputTags = Object.freeze({
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blockChance: (amount: number) => tag(SPELL_AURA_MOD_BLOCK_PERCENT, amount),
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criticalBlockChance: (amount: number) => tag(SPELL_AURA_MOD_BLOCK_CRIT_CHANCE, amount),
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ignoreHitDirection: tag(SPELL_AURA_IGNORE_HIT_DIRECTION, 0),
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});
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const effect = (
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effectType: number,
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auraType: number,
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basePoints: number,
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miscValue = 0,
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): EnemyAuraEffectSignature => Object.freeze({
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effectType,
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auraType,
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basePoints,
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mechanic: 0,
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implicitTargetA: 1,
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implicitTargetB: 0,
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radius: 0,
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miscValue,
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periodMs: 0,
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});
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const signature = (
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durationMs: number,
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effects: readonly EnemyAuraEffectSignature[],
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): EnemyAuraSpellSignature => Object.freeze({
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rangeIndex: 1,
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schoolMask: 1,
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damageClass: 0,
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durationMs,
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effects: Object.freeze([...effects]),
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});
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const unsupported = (
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effectIndex: number,
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auraType: number,
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basePoints: number,
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miscValue: number,
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): EnemyBlockAuraContract["unsupportedEffects"][number] => Object.freeze({
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effectIndex,
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auraType,
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basePoints,
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miscValue,
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reason: "This source effect is preserved in the signature but is outside ordinary NPC block aura inputs.",
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});
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function blockChanceContract(profile: EnemyBlockAuraSourceProfile): EnemyBlockAuraContract {
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const sourceEffect = effect(6, SPELL_AURA_MOD_BLOCK_PERCENT, 75);
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return Object.freeze({
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spellId: 3419,
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name: "Improved Blocking",
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profile,
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signature: signature(6_000, [sourceEffect]),
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durationMs: 6_000,
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disposition: "buff",
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target: "self",
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stackAmount: 0,
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effects: Object.freeze([sourceEffect]),
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unsupportedEffects: Object.freeze([]),
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blockInputs: Object.freeze({
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blockChanceAuraPercent: 75,
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criticalBlockChancePercent: 0,
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ignoresHitDirection: false,
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}),
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});
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}
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function criticalBlockContract(
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profile: EnemyBlockAuraSourceProfile,
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spellId: 47294 | 47295 | 47296,
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critChance: number,
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spellModifierRanks: readonly number[],
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): EnemyBlockAuraContract {
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const effects = [
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effect(6, SPELL_AURA_MOD_BLOCK_CRIT_CHANCE, critChance),
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...spellModifierRanks.map((value, index) => effect(6, 107, value, index === 0 ? 7 : 3)),
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];
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return Object.freeze({
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spellId,
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name: "Critical Block",
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profile,
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signature: signature(-1, effects),
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durationMs: null,
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disposition: "buff",
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target: "self",
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stackAmount: 0,
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effects: Object.freeze(effects),
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unsupportedEffects: Object.freeze(effects.slice(1).map((sourceEffect, index) => (
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unsupported(index + 1, sourceEffect.auraType, sourceEffect.basePoints, sourceEffect.miscValue)
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))),
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blockInputs: Object.freeze({
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blockChanceAuraPercent: 0,
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criticalBlockChancePercent: critChance,
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ignoresHitDirection: false,
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}),
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});
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}
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function deterrenceContract(
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profile: EnemyBlockAuraSourceProfile,
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spellId: 67801 | 667801 | 1167801,
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durationMs: number,
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additionalEffects: readonly EnemyAuraEffectSignature[],
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): EnemyBlockAuraContract {
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const direction = effect(6, SPELL_AURA_IGNORE_HIT_DIRECTION, 100);
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const effects = [direction, ...additionalEffects];
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return Object.freeze({
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spellId,
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name: "Deterrence",
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profile,
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signature: signature(durationMs, effects),
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durationMs,
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disposition: "buff",
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target: "self",
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stackAmount: 0,
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effects: Object.freeze(effects),
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unsupportedEffects: Object.freeze(additionalEffects.map((sourceEffect, index) => (
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unsupported(index + 1, sourceEffect.auraType, sourceEffect.basePoints, sourceEffect.miscValue)
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))),
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blockInputs: Object.freeze({
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blockChanceAuraPercent: 0,
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criticalBlockChancePercent: 0,
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ignoresHitDirection: true,
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}),
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});
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}
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// Aura 185 is MOD_ATTACKER_RANGED_HIT_CHANCE; it is not a Disarm aura.
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const DETERRENCE_RANGED_HIT_PENALTY = effect(6, 185, -100);
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const DETERRENCE_UNKNOWN = effect(6, 27, 0);
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const CONTRACTS: Readonly<Record<EnemyBlockAuraSourceProfile, Readonly<Record<number, EnemyBlockAuraContract>>>> = Object.freeze({
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wow335: Object.freeze({
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3419: blockChanceContract("wow335"),
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47294: criticalBlockContract("wow335", 47294, 20, [5]),
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47295: criticalBlockContract("wow335", 47295, 40, [10]),
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47296: criticalBlockContract("wow335", 47296, 60, [15]),
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67801: deterrenceContract("wow335", 67801, 5_000, [DETERRENCE_RANGED_HIT_PENALTY]),
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}),
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ascension: Object.freeze({
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3419: blockChanceContract("ascension"),
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47294: criticalBlockContract("ascension", 47294, 100, [4, 8]),
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47295: criticalBlockContract("ascension", 47295, 100, [7, 16]),
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47296: criticalBlockContract("ascension", 47296, 100, [10, 25]),
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67801: deterrenceContract("ascension", 67801, 60_000, [effect(6, 4, 0), DETERRENCE_UNKNOWN]),
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667801: deterrenceContract("ascension", 667801, 5_000, [DETERRENCE_RANGED_HIT_PENALTY, DETERRENCE_UNKNOWN]),
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1167801: deterrenceContract("ascension", 1167801, 5_000, [DETERRENCE_RANGED_HIT_PENALTY]),
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}),
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epoch: Object.freeze({
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3419: blockChanceContract("epoch"),
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47294: criticalBlockContract("epoch", 47294, 20, [5]),
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47295: criticalBlockContract("epoch", 47295, 40, [10]),
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47296: criticalBlockContract("epoch", 47296, 60, [15]),
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67801: deterrenceContract("epoch", 67801, 5_000, [DETERRENCE_RANGED_HIT_PENALTY]),
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}),
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});
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interface ReviewedCriticalBlockRow {
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readonly criticalBlockChance: number;
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readonly spellModifierEffects: readonly {
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readonly basePoints: number;
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readonly miscValue: number;
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}[];
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}
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const REVIEWED_CRITICAL_BLOCK_ROWS: Readonly<Record<EnemyBlockAuraSourceProfile, Readonly<Record<number, ReviewedCriticalBlockRow>>>> = Object.freeze({
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wow335: Object.freeze({
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47294: Object.freeze({ criticalBlockChance: 20, spellModifierEffects: Object.freeze([{ basePoints: 5, miscValue: 7 }]) }),
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47295: Object.freeze({ criticalBlockChance: 40, spellModifierEffects: Object.freeze([{ basePoints: 10, miscValue: 7 }]) }),
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47296: Object.freeze({ criticalBlockChance: 60, spellModifierEffects: Object.freeze([{ basePoints: 15, miscValue: 7 }]) }),
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}),
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ascension: Object.freeze({
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47294: Object.freeze({ criticalBlockChance: 100, spellModifierEffects: Object.freeze([{ basePoints: 4, miscValue: 7 }, { basePoints: 8, miscValue: 3 }]) }),
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47295: Object.freeze({ criticalBlockChance: 100, spellModifierEffects: Object.freeze([{ basePoints: 7, miscValue: 7 }, { basePoints: 16, miscValue: 3 }]) }),
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47296: Object.freeze({ criticalBlockChance: 100, spellModifierEffects: Object.freeze([{ basePoints: 10, miscValue: 7 }, { basePoints: 25, miscValue: 3 }]) }),
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}),
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epoch: Object.freeze({
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47294: Object.freeze({ criticalBlockChance: 20, spellModifierEffects: Object.freeze([{ basePoints: 5, miscValue: 7 }]) }),
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47295: Object.freeze({ criticalBlockChance: 40, spellModifierEffects: Object.freeze([{ basePoints: 10, miscValue: 7 }]) }),
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47296: Object.freeze({ criticalBlockChance: 60, spellModifierEffects: Object.freeze([{ basePoints: 15, miscValue: 7 }]) }),
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}),
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});
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/** Returns the reviewed Spell.dbc aura row for one supported source profile. */
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export function enemyBlockAuraContract(
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spellId: number,
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profile: EnemyBlockAuraSourceProfile,
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): EnemyBlockAuraContract | undefined {
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return CONTRACTS[profile]?.[spellId];
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}
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/**
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* Builds an input-only aura fixture. It retains only aura 51/253/288 values;
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* callers must not use this as an imported full-spell definition when the
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* contract also has unsupported sibling effects.
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*/
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export function enemyBlockAuraInputDefinition(contract: EnemyBlockAuraContract): AuraDefinition {
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const tags: string[] = [];
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for (const sourceEffect of contract.effects) {
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if (sourceEffect.auraType === SPELL_AURA_MOD_BLOCK_PERCENT) {
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tags.push(auraInputTags.blockChance(sourceEffect.basePoints));
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} else if (sourceEffect.auraType === SPELL_AURA_MOD_BLOCK_CRIT_CHANCE) {
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tags.push(auraInputTags.criticalBlockChance(sourceEffect.basePoints));
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} else if (sourceEffect.auraType === SPELL_AURA_IGNORE_HIT_DIRECTION) {
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tags.push(auraInputTags.ignoreHitDirection);
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}
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}
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return Object.freeze({
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id: `enemy-source-spell-${contract.spellId}`,
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name: contract.name,
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disposition: contract.disposition,
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durationMs: contract.durationMs,
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stackBehavior: "refresh",
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utilityTags: Object.freeze(tags),
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});
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}
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/** Builds an importable definition only when every source effect is represented. */
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export function supportedEnemyBlockAuraDefinition(
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contract: EnemyBlockAuraContract,
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): AuraDefinition | undefined {
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if (contract.unsupportedEffects.length > 0
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|| contract.effects.some((sourceEffect) => ![
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SPELL_AURA_MOD_BLOCK_PERCENT,
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SPELL_AURA_MOD_BLOCK_CRIT_CHANCE,
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SPELL_AURA_IGNORE_HIT_DIRECTION,
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].includes(sourceEffect.auraType))) return undefined;
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return enemyBlockAuraInputDefinition(contract);
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}
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function sameEffectSignature(
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actual: EnemyAuraEffectSignature | undefined,
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expected: EnemyAuraEffectSignature,
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): boolean {
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return actual !== undefined
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&& actual.effectType === expected.effectType
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&& actual.auraType === expected.auraType
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&& actual.basePoints === expected.basePoints
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&& actual.mechanic === expected.mechanic
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&& actual.implicitTargetA === expected.implicitTargetA
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&& actual.implicitTargetB === expected.implicitTargetB
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&& actual.radius === expected.radius
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&& actual.miscValue === expected.miscValue
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&& actual.periodMs === expected.periodMs;
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}
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function isReviewedCriticalBlockContract(contract: EnemyBlockAuraContract | null | undefined): boolean {
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if (!contract || typeof contract !== "object") return false;
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const row = REVIEWED_CRITICAL_BLOCK_ROWS[contract.profile]?.[contract.spellId];
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if (!row || !contract.blockInputs || !contract.signature || contract.name !== "Critical Block" || contract.durationMs !== null
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|| contract.disposition !== "buff" || contract.target !== "self" || contract.stackAmount !== 0
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|| contract.blockInputs.blockChanceAuraPercent !== 0
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|| contract.blockInputs.criticalBlockChancePercent !== row.criticalBlockChance
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|| contract.blockInputs.ignoresHitDirection !== false) return false;
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const expectedEffects = [
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effect(6, SPELL_AURA_MOD_BLOCK_CRIT_CHANCE, row.criticalBlockChance),
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...row.spellModifierEffects.map(({ basePoints, miscValue }) => effect(6, 107, basePoints, miscValue)),
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];
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const sourceEffects = contract.signature.effects;
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if (contract.signature.rangeIndex !== 1 || contract.signature.schoolMask !== 1
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|| contract.signature.damageClass !== 0 || contract.signature.durationMs !== -1
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|| !Array.isArray(sourceEffects) || sourceEffects.length !== expectedEffects.length
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|| !Array.isArray(contract.effects) || contract.effects.length !== expectedEffects.length
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|| !Array.isArray(contract.unsupportedEffects)
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|| contract.unsupportedEffects.length !== expectedEffects.length - 1) return false;
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for (let index = 0; index < expectedEffects.length; index += 1) {
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if (!sameEffectSignature(sourceEffects[index], expectedEffects[index])
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|| !sameEffectSignature(contract.effects[index], expectedEffects[index])) return false;
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}
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return row.spellModifierEffects.every((sourceEffect, index) => {
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const unsupportedEffect = contract.unsupportedEffects[index];
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return unsupportedEffect?.effectIndex === index + 1
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&& unsupportedEffect.auraType === 107
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&& unsupportedEffect.basePoints === sourceEffect.basePoints
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&& unsupportedEffect.miscValue === sourceEffect.miscValue;
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});
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}
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function isOrdinaryCreatureSelfTargetProof(
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proof: EnemyNpcCriticalBlockImportProof | null | undefined,
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): boolean {
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if (!proof || typeof proof !== "object" || proof.defenderKind !== "ordinary-creature"
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|| proof.isNativeDefender !== false || proof.isSummonedDefender !== false
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|| proof.isCharacterDefender !== false
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|| proof.aura107Applicability !== "azerothcore-e822d718-default-spellmod-path") return false;
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const { defenderId, casterId, targetId } = proof;
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return typeof defenderId === "string" && defenderId.trim().length > 0
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&& defenderId === casterId && casterId === targetId;
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}
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/**
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* Imports Critical Block as a full aura only for a reviewed ordinary Creature
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* self-cast. Aura 107 remains in the checked raw signature and is treated as a
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* no-op only under the pinned AzerothCore default spell-mod applicability.
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* The generic importer intentionally remains fail-closed for these rows.
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*/
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export function ordinaryCreatureSelfTargetCriticalBlockAuraDefinition(
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contract: EnemyBlockAuraContract | null | undefined,
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proof: EnemyNpcCriticalBlockImportProof | null | undefined,
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): AuraDefinition | undefined {
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if (!isReviewedCriticalBlockContract(contract) || !isOrdinaryCreatureSelfTargetProof(proof)) return undefined;
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return enemyBlockAuraInputDefinition(contract!);
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}
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function decodeAuraTag(value: string): { readonly auraType: number; readonly basePoints: number } | null {
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if (!value.startsWith(tagPrefix)) return null;
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const match = /^(\d+):(-?\d+)$/.exec(value.slice(tagPrefix.length));
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if (!match) return null;
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const auraType = Number(match[1]);
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const basePoints = Number(match[2]);
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if (!Number.isSafeInteger(auraType) || !Number.isSafeInteger(basePoints)) return null;
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return { auraType, basePoints };
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}
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/** Sums block-related inputs from active, target-local enemy source auras. */
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export function resolveEnemyNpcBlockAuraInputs(input: {
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readonly auras: readonly ActiveAura[];
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readonly targetId: string;
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readonly now: number;
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}): EnemyNpcBlockAuraInputs | null {
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if (typeof input.targetId !== "string" || !input.targetId
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|| !Number.isFinite(input.now) || !Array.isArray(input.auras)) return null;
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let blockChanceAuraPercent = 0;
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let criticalBlockChanceAuraPercent = 0;
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let ignoresHitDirection = false;
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for (const aura of input.auras) {
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if (aura.targetId !== input.targetId || (aura.expiresAt !== null && aura.expiresAt <= input.now)) continue;
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const tags = aura.definition.utilityTags ?? [];
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let carriesBlockChanceTag = false;
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for (const value of tags) {
|
|
const decoded = decodeAuraTag(value);
|
|
if (!decoded) continue;
|
|
if (decoded.auraType === SPELL_AURA_MOD_BLOCK_PERCENT) {
|
|
carriesBlockChanceTag = true;
|
|
blockChanceAuraPercent += decoded.basePoints;
|
|
} else if (decoded.auraType === SPELL_AURA_MOD_BLOCK_CRIT_CHANCE) {
|
|
criticalBlockChanceAuraPercent += decoded.basePoints;
|
|
} else if (decoded.auraType === SPELL_AURA_IGNORE_HIT_DIRECTION) {
|
|
ignoresHitDirection = true;
|
|
}
|
|
}
|
|
|
|
// Existing 3419 enemy-source aura definitions predate these utility tags;
|
|
// their source-backed flat block stat still supplies the same aura-51 input.
|
|
if (!carriesBlockChanceTag) {
|
|
for (const modifier of aura.definition.modifiers ?? []) {
|
|
if (modifier.kind === "stat" && modifier.stat === "block" && modifier.operation === "flat") {
|
|
blockChanceAuraPercent += modifier.value;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!Number.isFinite(blockChanceAuraPercent) || !Number.isFinite(criticalBlockChanceAuraPercent)) return null;
|
|
return Object.freeze({
|
|
blockChanceAuraPercent,
|
|
// Aura amounts are integer source values; roll_chance_i accepts an int.
|
|
criticalBlockChancePercent: Math.trunc(criticalBlockChanceAuraPercent),
|
|
ignoresHitDirection,
|
|
});
|
|
}
|
|
|
|
/** Mirrors the integer chance argument consumed by AzerothCore roll_chance_i. */
|
|
export function enemyNpcCriticalBlockChanceForRoll(chancePercent: number): number | null {
|
|
if (!Number.isFinite(chancePercent)) return null;
|
|
return Math.trunc(chancePercent);
|
|
}
|
|
|
|
/** Doubles ordinary creature block value only after the independent crit-block roll succeeds. */
|
|
export function enemyNpcBlockValueAfterCritical(
|
|
blockValue: number,
|
|
criticalBlockSucceeded: boolean,
|
|
): number | null {
|
|
if (!Number.isSafeInteger(blockValue) || blockValue < 0
|
|
|| typeof criticalBlockSucceeded !== "boolean") return null;
|
|
const result = criticalBlockSucceeded ? blockValue * 2 : blockValue;
|
|
return Number.isSafeInteger(result) ? result : null;
|
|
}
|