Merge branch '013-rollLibRefinements' into 'master'
Resolve "Roll Library Refinements" Closes #13 See merge request dungeonslayers/ds4!18
This commit is contained in:
commit
2db60b1b76
7 changed files with 618 additions and 336 deletions
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@ -1,272 +0,0 @@
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import {
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rollCheckMultipleDice,
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rollCheckSingleDie,
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RollOptions,
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RollResult,
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RollResultStatus,
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} from "../../src/module/rolls/roll-executor";
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import { RollProvider } from "../../src/module/rolls/roll-provider";
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import "jasmine";
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describe("DS4 Rolls with one die and no modifications.", () => {
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it("Should do a regular success roll.", () => {
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const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRoll"]);
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rollProvider.getNextRoll = jasmine.createSpy("getNextRoll").and.returnValue(4);
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expect(rollCheckSingleDie(12, new RollOptions(), rollProvider)).toEqual(
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new RollResult(4, RollResultStatus.SUCCESS, [4]),
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);
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});
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it("Should do a single success roll on success upper edge case.", () => {
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const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRoll"]);
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rollProvider.getNextRoll = jasmine.createSpy("getNextRoll").and.returnValue(4);
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expect(rollCheckSingleDie(4, new RollOptions(), rollProvider)).toEqual(
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new RollResult(4, RollResultStatus.SUCCESS, [4]),
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);
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});
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it("Should do a single failure roll on lower edge case.", () => {
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const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRoll"]);
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rollProvider.getNextRoll = jasmine.createSpy("getNextRoll").and.returnValue(5);
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expect(rollCheckSingleDie(4, new RollOptions(), rollProvider)).toEqual(
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new RollResult(0, RollResultStatus.FAILURE, [5]),
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);
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});
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it("Should do a single failure roll on upper edge case '19'.", () => {
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const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRoll"]);
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rollProvider.getNextRoll = jasmine.createSpy("getNextRoll").and.returnValue(19);
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expect(rollCheckSingleDie(4, new RollOptions(), rollProvider)).toEqual(
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new RollResult(0, RollResultStatus.FAILURE, [19]),
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);
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});
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it("Should do a single crit success roll on '1'.", () => {
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const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRoll"]);
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rollProvider.getNextRoll = jasmine.createSpy("getNextRoll").and.returnValue(1);
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expect(rollCheckSingleDie(4, new RollOptions(), rollProvider)).toEqual(
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new RollResult(4, RollResultStatus.CRITICAL_SUCCESS, [1]),
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);
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});
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it("Should do a single crit failure roll on '20'.", () => {
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const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRoll"]);
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rollProvider.getNextRoll = jasmine.createSpy("getNextRoll").and.returnValue(20);
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expect(rollCheckSingleDie(4, new RollOptions(), rollProvider)).toEqual(
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new RollResult(0, RollResultStatus.CRITICAL_FAILURE, [20]),
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);
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});
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});
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describe("DS4 Rolls with one die and crit roll modifications.", () => {
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it("Should do a crit success on `1`.", () => {
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const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRoll"]);
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rollProvider.getNextRoll = jasmine.createSpy("getNextRoll").and.returnValue(1);
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expect(rollCheckSingleDie(4, { maxCritSucc: 2, minCritFail: 19 }, rollProvider)).toEqual(
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new RollResult(4, RollResultStatus.CRITICAL_SUCCESS, [1]),
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);
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});
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it("Should do a crit success on `maxCritSucc`.", () => {
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const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRoll"]);
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rollProvider.getNextRoll = jasmine.createSpy("getNextRoll").and.returnValue(2);
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expect(rollCheckSingleDie(4, { maxCritSucc: 2, minCritFail: 19 }, rollProvider)).toEqual(
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new RollResult(4, RollResultStatus.CRITICAL_SUCCESS, [2]),
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);
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});
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it("Should do a success on lower edge case `3`.", () => {
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const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRoll"]);
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rollProvider.getNextRoll = jasmine.createSpy("getNextRoll").and.returnValue(3);
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expect(rollCheckSingleDie(4, { maxCritSucc: 2, minCritFail: 19 }, rollProvider)).toEqual(
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new RollResult(3, RollResultStatus.SUCCESS, [3]),
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);
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});
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it("Should do a success on upper edge case `18`.", () => {
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const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRoll"]);
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rollProvider.getNextRoll = jasmine.createSpy("getNextRoll").and.returnValue(18);
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expect(rollCheckSingleDie(4, { maxCritSucc: 2, minCritFail: 19 }, rollProvider)).toEqual(
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new RollResult(0, RollResultStatus.FAILURE, [18]),
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);
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});
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it("Should do a crit fail on `minCritFail`.", () => {
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const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRoll"]);
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rollProvider.getNextRoll = jasmine.createSpy("getNextRoll").and.returnValue(19);
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expect(rollCheckSingleDie(4, { maxCritSucc: 2, minCritFail: 19 }, rollProvider)).toEqual(
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new RollResult(0, RollResultStatus.CRITICAL_FAILURE, [19]),
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);
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});
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it("Should do a crit fail on `20`", () => {
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const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRoll"]);
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rollProvider.getNextRoll = jasmine.createSpy("getNextRoll").and.returnValue(20);
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expect(rollCheckSingleDie(4, { maxCritSucc: 2, minCritFail: 19 }, rollProvider)).toEqual(
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new RollResult(0, RollResultStatus.CRITICAL_FAILURE, [20]),
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);
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});
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});
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describe("DS4 Rools with multiple dice and no modifiers.", () => {
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it("Should do a crit fail on `20` for first roll.", () => {
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const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRolls"]);
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rollProvider.getNextRolls = jasmine.createSpy("getNextRolls").and.returnValue([20, 15, 6]);
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expect(rollCheckMultipleDice(48, new RollOptions(), rollProvider)).toEqual(
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new RollResult(0, RollResultStatus.CRITICAL_FAILURE, [20, 15, 6]),
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);
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});
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it("Should succeed with all rolls crit successes.", () => {
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const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRolls"]);
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rollProvider.getNextRolls = jasmine.createSpy("getNextRolls").and.returnValue([1, 1, 1]);
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expect(rollCheckMultipleDice(48, new RollOptions(), rollProvider)).toEqual(
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new RollResult(48, RollResultStatus.SUCCESS, [1, 1, 1]),
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);
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});
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it("Should succeed with the last roll not being suficient.", () => {
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const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRolls"]);
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rollProvider.getNextRolls = jasmine.createSpy("getNextRolls").and.returnValue([15, 15, 15]);
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expect(rollCheckMultipleDice(48, new RollOptions(), rollProvider)).toEqual(
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new RollResult(30, RollResultStatus.SUCCESS, [15, 15, 15]),
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);
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});
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it("Should succeed with the last roll a crit success.", () => {
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const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRolls"]);
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rollProvider.getNextRolls = jasmine.createSpy("getNextRolls").and.returnValue([15, 15, 1]);
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expect(rollCheckMultipleDice(48, new RollOptions(), rollProvider)).toEqual(
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new RollResult(35, RollResultStatus.SUCCESS, [1, 15, 15]),
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);
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});
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it("Should succeed with the last roll being 20 and one crit success.", () => {
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const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRolls"]);
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rollProvider.getNextRolls = jasmine.createSpy("getNextRolls").and.returnValue([15, 1, 20]);
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expect(rollCheckMultipleDice(48, new RollOptions(), rollProvider)).toEqual(
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new RollResult(40, RollResultStatus.SUCCESS, [1, 20, 15]),
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);
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});
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});
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describe("DS4 Rools with multiple dice and min/max modifiers.", () => {
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it("Should do a crit fail on `19` for first roll.", () => {
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const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRolls"]);
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rollProvider.getNextRolls = jasmine.createSpy("getNextRolls").and.returnValue([19, 15, 6]);
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expect(rollCheckMultipleDice(48, { maxCritSucc: 2, minCritFail: 19 } as RollOptions, rollProvider)).toEqual(
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new RollResult(0, RollResultStatus.CRITICAL_FAILURE, [19, 15, 6]),
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);
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});
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it("Should succeed with all rolls crit successes (1 and 2).", () => {
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const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRolls"]);
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rollProvider.getNextRolls = jasmine.createSpy("getNextRolls").and.returnValue([2, 1, 2]);
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expect(rollCheckMultipleDice(48, { maxCritSucc: 2, minCritFail: 19 } as RollOptions, rollProvider)).toEqual(
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new RollResult(48, RollResultStatus.SUCCESS, [2, 2, 1]),
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);
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});
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it("Should succeed with the last roll not being suficient.", () => {
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const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRolls"]);
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rollProvider.getNextRolls = jasmine.createSpy("getNextRolls").and.returnValue([15, 15, 15]);
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expect(rollCheckMultipleDice(48, { maxCritSucc: 2, minCritFail: 19 } as RollOptions, rollProvider)).toEqual(
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new RollResult(30, RollResultStatus.SUCCESS, [15, 15, 15]),
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);
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});
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it("Should succeed with the last roll a crit success `2`.", () => {
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const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRolls"]);
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rollProvider.getNextRolls = jasmine.createSpy("getNextRolls").and.returnValue([15, 15, 2]);
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expect(rollCheckMultipleDice(48, { maxCritSucc: 2, minCritFail: 19 } as RollOptions, rollProvider)).toEqual(
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new RollResult(35, RollResultStatus.SUCCESS, [2, 15, 15]),
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);
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});
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it("Should succeed with the last roll being `20` and one crit success '2'.", () => {
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const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRolls"]);
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rollProvider.getNextRolls = jasmine.createSpy("getNextRolls").and.returnValue([15, 2, 20]);
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expect(rollCheckMultipleDice(48, { maxCritSucc: 2, minCritFail: 19 } as RollOptions, rollProvider)).toEqual(
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new RollResult(40, RollResultStatus.SUCCESS, [2, 20, 15]),
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);
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});
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it("Should succeed with the last roll being `19` and one crit success '2'.", () => {
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const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRolls"]);
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rollProvider.getNextRolls = jasmine.createSpy("getNextRolls").and.returnValue([15, 2, 19]);
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expect(rollCheckMultipleDice(48, { maxCritSucc: 2, minCritFail: 19 } as RollOptions, rollProvider)).toEqual(
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new RollResult(39, RollResultStatus.SUCCESS, [2, 19, 15]),
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);
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});
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});
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describe("DS4 Rools with multiple dice and fail modifiers.", () => {
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it("Should do a crit fail on `19` for first roll.", () => {
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const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRolls"]);
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rollProvider.getNextRolls = jasmine.createSpy("getNextRolls").and.returnValue([19, 15, 6]);
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expect(rollCheckMultipleDice(48, { minCritFail: 19 } as RollOptions, rollProvider)).toEqual(
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new RollResult(0, RollResultStatus.CRITICAL_FAILURE, [19, 15, 6]),
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);
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});
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});
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describe("DS4 Rools with multiple dice and success modifiers.", () => {
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it("Should succeed with all rolls crit successes (1 and 2).", () => {
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const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRolls"]);
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rollProvider.getNextRolls = jasmine.createSpy("getNextRolls").and.returnValue([2, 1, 2]);
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expect(rollCheckMultipleDice(48, { maxCritSucc: 2 } as RollOptions, rollProvider)).toEqual(
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new RollResult(48, RollResultStatus.SUCCESS, [2, 2, 1]),
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);
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});
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});
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341
spec/support/ds4rolls/executor.spec.ts
Normal file
341
spec/support/ds4rolls/executor.spec.ts
Normal file
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@ -0,0 +1,341 @@
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import { rollCheckMultipleDice, rollCheckSingleDie } from "../../../src/module/rolls/roll-executor";
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import { RollProvider } from "../../../src/module/rolls/roll-provider";
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import "jasmine";
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import { RollResult, RollResultStatus } from "../../../src/module/rolls/roll-data";
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function mockSingleThrow(value: number): RollProvider {
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const rollProvider = jasmine.createSpyObj("rollProvider", ["getNextRoll"]);
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rollProvider.getNextRoll = jasmine.createSpy("getNextRoll").and.returnValue(value);
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return rollProvider;
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}
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function mockMultipleThrows(values: Array<number>): RollProvider {
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const rollProvider = jasmine.createSpyObj("rollProvider", ["getNextRolls"]);
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rollProvider.getNextRolls = jasmine.createSpy("getNextRolls").and.returnValue(values);
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return rollProvider;
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}
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describe("DS4 Rolls with one die and no modifications.", () => {
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it("Should do a regular success roll.", () => {
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const rollProvider = mockSingleThrow(4);
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expect(rollCheckSingleDie(12, {}, rollProvider)).toEqual(new RollResult(4, RollResultStatus.SUCCESS, [4]));
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});
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it("Should do a single success roll on success upper edge case.", () => {
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const rollProvider = mockSingleThrow(4);
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expect(rollCheckSingleDie(4, {}, rollProvider)).toEqual(new RollResult(4, RollResultStatus.SUCCESS, [4]));
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});
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it("Should do a single failure roll on lower edge case.", () => {
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const rollProvider = mockSingleThrow(5);
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expect(rollCheckSingleDie(4, {}, rollProvider)).toEqual(new RollResult(0, RollResultStatus.FAILURE, [5]));
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});
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it("Should do a single failure roll on upper edge case '19'.", () => {
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const rollProvider = mockSingleThrow(19);
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expect(rollCheckSingleDie(4, {}, rollProvider)).toEqual(new RollResult(0, RollResultStatus.FAILURE, [19]));
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});
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it("Should do a single crit success roll on '1'.", () => {
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const rollProvider = mockSingleThrow(1);
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expect(rollCheckSingleDie(4, {}, rollProvider)).toEqual(
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new RollResult(4, RollResultStatus.CRITICAL_SUCCESS, [1]),
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||||
);
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});
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it("Should do a single crit failure roll on '20'.", () => {
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const rollProvider = mockSingleThrow(20);
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expect(rollCheckSingleDie(4, {}, rollProvider)).toEqual(
|
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new RollResult(0, RollResultStatus.CRITICAL_FAILURE, [20]),
|
||||
);
|
||||
});
|
||||
});
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|
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describe("DS4 Rolls with one die and slaying dice, first throw.", () => {
|
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it("Should do a crit success on `1`", () => {
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const rollProvider = mockSingleThrow(1);
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||||
|
||||
expect(rollCheckSingleDie(4, { useSlayingDice: true }, rollProvider)).toEqual(
|
||||
new RollResult(4, RollResultStatus.CRITICAL_SUCCESS, [1]),
|
||||
);
|
||||
});
|
||||
|
||||
it("Should do a crit fail on `20`", () => {
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const rollProvider = mockSingleThrow(20);
|
||||
|
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expect(rollCheckSingleDie(4, { useSlayingDice: true }, rollProvider)).toEqual(
|
||||
new RollResult(0, RollResultStatus.CRITICAL_FAILURE, [20]),
|
||||
);
|
||||
});
|
||||
});
|
||||
|
||||
describe("DS4 Rolls with one die and slaying dice, followup throw.", () => {
|
||||
it("Should do a crit success on `1`", () => {
|
||||
const rollProvider = mockSingleThrow(1);
|
||||
|
||||
expect(rollCheckSingleDie(4, { useSlayingDice: true, slayingDiceRepetition: true }, rollProvider)).toEqual(
|
||||
new RollResult(4, RollResultStatus.CRITICAL_SUCCESS, [1]),
|
||||
);
|
||||
});
|
||||
|
||||
it("Should do a regular fail on `20`", () => {
|
||||
const rollProvider = mockSingleThrow(20);
|
||||
|
||||
expect(rollCheckSingleDie(4, { useSlayingDice: true, slayingDiceRepetition: true }, rollProvider)).toEqual(
|
||||
new RollResult(0, RollResultStatus.FAILURE, [20]),
|
||||
);
|
||||
});
|
||||
|
||||
it("Should do a regular success on `20` with a CTN of 20", () => {
|
||||
const rollProvider = mockSingleThrow(20);
|
||||
|
||||
expect(rollCheckSingleDie(20, { useSlayingDice: true, slayingDiceRepetition: true }, rollProvider)).toEqual(
|
||||
new RollResult(20, RollResultStatus.SUCCESS, [20]),
|
||||
);
|
||||
});
|
||||
});
|
||||
|
||||
describe("DS4 Rolls with one die and crit roll modifications.", () => {
|
||||
it("Should do a crit success on `1`.", () => {
|
||||
const rollProvider = mockSingleThrow(1);
|
||||
|
||||
expect(rollCheckSingleDie(4, { maxCritSucc: 2, minCritFail: 19 }, rollProvider)).toEqual(
|
||||
new RollResult(4, RollResultStatus.CRITICAL_SUCCESS, [1]),
|
||||
);
|
||||
});
|
||||
|
||||
it("Should do a crit success on `maxCritSucc`.", () => {
|
||||
const rollProvider = mockSingleThrow(2);
|
||||
|
||||
expect(rollCheckSingleDie(4, { maxCritSucc: 2, minCritFail: 19 }, rollProvider)).toEqual(
|
||||
new RollResult(4, RollResultStatus.CRITICAL_SUCCESS, [2]),
|
||||
);
|
||||
});
|
||||
|
||||
it("Should do a success on lower edge case `3`.", () => {
|
||||
const rollProvider = mockSingleThrow(3);
|
||||
|
||||
expect(rollCheckSingleDie(4, { maxCritSucc: 2, minCritFail: 19 }, rollProvider)).toEqual(
|
||||
new RollResult(3, RollResultStatus.SUCCESS, [3]),
|
||||
);
|
||||
});
|
||||
|
||||
it("Should do a success on upper edge case `18`.", () => {
|
||||
const rollProvider = mockSingleThrow(18);
|
||||
|
||||
expect(rollCheckSingleDie(4, { maxCritSucc: 2, minCritFail: 19 }, rollProvider)).toEqual(
|
||||
new RollResult(0, RollResultStatus.FAILURE, [18]),
|
||||
);
|
||||
});
|
||||
|
||||
it("Should do a crit fail on `minCritFail`.", () => {
|
||||
const rollProvider = mockSingleThrow(19);
|
||||
|
||||
expect(rollCheckSingleDie(4, { maxCritSucc: 2, minCritFail: 19 }, rollProvider)).toEqual(
|
||||
new RollResult(0, RollResultStatus.CRITICAL_FAILURE, [19]),
|
||||
);
|
||||
});
|
||||
|
||||
it("Should do a crit fail on `20`", () => {
|
||||
const rollProvider = mockSingleThrow(20);
|
||||
|
||||
expect(rollCheckSingleDie(4, { maxCritSucc: 2, minCritFail: 19 }, rollProvider)).toEqual(
|
||||
new RollResult(0, RollResultStatus.CRITICAL_FAILURE, [20]),
|
||||
);
|
||||
});
|
||||
});
|
||||
|
||||
describe("DS4 Rolls with multiple dice and no modifiers.", () => {
|
||||
it("Should do a crit fail on `20` for first roll.", () => {
|
||||
const rollProvider = mockMultipleThrows([20, 15, 6]);
|
||||
|
||||
expect(rollCheckMultipleDice(48, {}, rollProvider)).toEqual(
|
||||
new RollResult(0, RollResultStatus.CRITICAL_FAILURE, [20, 15, 6]),
|
||||
);
|
||||
});
|
||||
|
||||
it("Should succeed normally with all rolls crit successes.", () => {
|
||||
const rollProvider = mockMultipleThrows([1, 1, 1]);
|
||||
|
||||
expect(rollCheckMultipleDice(48, {}, rollProvider)).toEqual(
|
||||
new RollResult(48, RollResultStatus.SUCCESS, [1, 1, 1]),
|
||||
);
|
||||
});
|
||||
|
||||
it("Should succeed with the last roll not being suficient.", () => {
|
||||
const rollProvider = mockMultipleThrows([15, 15, 15]);
|
||||
|
||||
expect(rollCheckMultipleDice(48, {}, rollProvider)).toEqual(
|
||||
new RollResult(30, RollResultStatus.SUCCESS, [15, 15, 15]),
|
||||
);
|
||||
});
|
||||
|
||||
it("Should succeed with the last roll a crit success.", () => {
|
||||
const rollProvider = mockMultipleThrows([15, 15, 1]);
|
||||
|
||||
expect(rollCheckMultipleDice(48, {}, rollProvider)).toEqual(
|
||||
new RollResult(38, RollResultStatus.SUCCESS, [15, 15, 1]),
|
||||
);
|
||||
});
|
||||
|
||||
it("Should succeed with the last roll being 20 and one crit success.", () => {
|
||||
const rollProvider = mockMultipleThrows([15, 1, 20]);
|
||||
|
||||
expect(rollCheckMultipleDice(48, {}, rollProvider)).toEqual(
|
||||
new RollResult(43, RollResultStatus.SUCCESS, [20, 15, 1]),
|
||||
);
|
||||
});
|
||||
|
||||
it("Should properly maximize throw result with all dice success.", () => {
|
||||
const rollProvider = mockMultipleThrows([15, 4, 12]);
|
||||
|
||||
expect(rollCheckMultipleDice(46, {}, rollProvider)).toEqual(
|
||||
new RollResult(31, RollResultStatus.SUCCESS, [15, 12, 4]),
|
||||
);
|
||||
});
|
||||
|
||||
it("Should properly maximize throw result with one dice a failure.", () => {
|
||||
const rollProvider = mockMultipleThrows([15, 8, 20]);
|
||||
|
||||
expect(rollCheckMultipleDice(46, {}, rollProvider)).toEqual(
|
||||
new RollResult(35, RollResultStatus.SUCCESS, [20, 15, 8]),
|
||||
);
|
||||
});
|
||||
|
||||
it("Should maximize on 'lowest dice higher than last CTN and crit success thrown'-Edge case, no change required.", () => {
|
||||
const rollProvider = mockMultipleThrows([15, 1, 8]);
|
||||
|
||||
expect(rollCheckMultipleDice(46, {}, rollProvider)).toEqual(
|
||||
new RollResult(35, RollResultStatus.SUCCESS, [1, 15, 8]),
|
||||
);
|
||||
});
|
||||
|
||||
it("Should maximize on 2-dice 'lowest dice higher than last CTN and crit success thrown'-Edge case, no change required.", () => {
|
||||
const rollProvider = mockMultipleThrows([1, 8]);
|
||||
|
||||
expect(rollCheckMultipleDice(24, {}, rollProvider)).toEqual(
|
||||
new RollResult(20, RollResultStatus.SUCCESS, [1, 8]),
|
||||
);
|
||||
});
|
||||
|
||||
it("Should maximize on 2-dice 'lowest dice higher than last CTN and crit success thrown'-Edge case, change required.", () => {
|
||||
const rollProvider = mockMultipleThrows([1, 19]);
|
||||
|
||||
expect(rollCheckMultipleDice(38, {}, rollProvider)).toEqual(
|
||||
new RollResult(37, RollResultStatus.SUCCESS, [19, 1]),
|
||||
);
|
||||
});
|
||||
|
||||
it("Should maximize correctly when swapping with more than one crit success", () => {
|
||||
const rollProvider = mockMultipleThrows([1, 1, 15]);
|
||||
|
||||
expect(rollCheckMultipleDice(48, {}, rollProvider)).toEqual(
|
||||
new RollResult(43, RollResultStatus.SUCCESS, [1, 15, 1]),
|
||||
);
|
||||
});
|
||||
});
|
||||
|
||||
describe("DS4 Rolls with multiple dice and min/max modifiers.", () => {
|
||||
it("Should do a crit fail on `19` for first roll.", () => {
|
||||
const rollProvider = mockMultipleThrows([19, 15, 6]);
|
||||
|
||||
expect(rollCheckMultipleDice(48, { maxCritSucc: 2, minCritFail: 19 }, rollProvider)).toEqual(
|
||||
new RollResult(0, RollResultStatus.CRITICAL_FAILURE, [19, 15, 6]),
|
||||
);
|
||||
});
|
||||
|
||||
it("Should succeed with all rolls crit successes (1 and 2).", () => {
|
||||
const rollProvider = mockMultipleThrows([2, 1, 2]);
|
||||
|
||||
expect(rollCheckMultipleDice(48, { maxCritSucc: 2, minCritFail: 19 }, rollProvider)).toEqual(
|
||||
new RollResult(48, RollResultStatus.SUCCESS, [2, 2, 1]),
|
||||
);
|
||||
});
|
||||
|
||||
it("Should succeed with the last roll not being sufficient.", () => {
|
||||
const rollProvider = mockMultipleThrows([15, 15, 15]);
|
||||
|
||||
expect(rollCheckMultipleDice(48, { maxCritSucc: 2, minCritFail: 19 }, rollProvider)).toEqual(
|
||||
new RollResult(30, RollResultStatus.SUCCESS, [15, 15, 15]),
|
||||
);
|
||||
});
|
||||
|
||||
it("Should succeed with the last roll a crit success `2`.", () => {
|
||||
const rollProvider = mockMultipleThrows([15, 15, 2]);
|
||||
|
||||
expect(rollCheckMultipleDice(48, { maxCritSucc: 2, minCritFail: 19 }, rollProvider)).toEqual(
|
||||
new RollResult(38, RollResultStatus.SUCCESS, [15, 15, 2]),
|
||||
);
|
||||
});
|
||||
|
||||
it("Should succeed with the last roll being `20` and one crit success '2'.", () => {
|
||||
const rollProvider = mockMultipleThrows([15, 2, 20]);
|
||||
|
||||
expect(rollCheckMultipleDice(48, { maxCritSucc: 2, minCritFail: 19 }, rollProvider)).toEqual(
|
||||
new RollResult(43, RollResultStatus.SUCCESS, [20, 15, 2]),
|
||||
);
|
||||
});
|
||||
|
||||
it("Should succeed with the last roll being `19` and one crit success '2'.", () => {
|
||||
const rollProvider = mockMultipleThrows([15, 2, 19]);
|
||||
|
||||
expect(rollCheckMultipleDice(48, { maxCritSucc: 2, minCritFail: 19 }, rollProvider)).toEqual(
|
||||
new RollResult(42, RollResultStatus.SUCCESS, [19, 15, 2]),
|
||||
);
|
||||
});
|
||||
});
|
||||
|
||||
describe("DS4 Rolls with multiple dice and fail modifiers.", () => {
|
||||
it("Should do a crit fail on `19` for first roll.", () => {
|
||||
const rollProvider = mockMultipleThrows([19, 15, 6]);
|
||||
|
||||
expect(rollCheckMultipleDice(48, { minCritFail: 19 }, rollProvider)).toEqual(
|
||||
new RollResult(0, RollResultStatus.CRITICAL_FAILURE, [19, 15, 6]),
|
||||
);
|
||||
});
|
||||
});
|
||||
|
||||
describe("DS4 Rolls with multiple dice and success modifiers.", () => {
|
||||
it("Should succeed with all rolls crit successes (1 and 2).", () => {
|
||||
const rollProvider = mockMultipleThrows([2, 1, 2]);
|
||||
|
||||
expect(rollCheckMultipleDice(48, { maxCritSucc: 2 }, rollProvider)).toEqual(
|
||||
new RollResult(48, RollResultStatus.SUCCESS, [2, 2, 1]),
|
||||
);
|
||||
});
|
||||
});
|
||||
|
||||
describe("DS4 Rolls with multiple and slaying dice, first throw", () => {
|
||||
it("Should fail with the first roll being a `20`", () => {
|
||||
const rollProvider = mockMultipleThrows([20, 2, 19]);
|
||||
|
||||
expect(rollCheckMultipleDice(48, { useSlayingDice: true }, rollProvider)).toEqual(
|
||||
new RollResult(0, RollResultStatus.CRITICAL_FAILURE, [20, 2, 19]),
|
||||
);
|
||||
});
|
||||
|
||||
it("Should issue a critical success, even with resorting dice", () => {
|
||||
const rollProvider = mockMultipleThrows([2, 19, 15]);
|
||||
|
||||
expect(rollCheckMultipleDice(48, { useSlayingDice: true, maxCritSucc: 2 }, rollProvider)).toEqual(
|
||||
new RollResult(42, RollResultStatus.CRITICAL_SUCCESS, [19, 15, 2]),
|
||||
);
|
||||
});
|
||||
});
|
||||
|
||||
describe("DS4 Rolls with multiple and slaying dice, recurrent throw", () => {
|
||||
it("Should regularly succeed with the first roll being a `20`", () => {
|
||||
const rollProvider = mockMultipleThrows([20, 2, 19]);
|
||||
|
||||
expect(rollCheckMultipleDice(48, { useSlayingDice: true, slayingDiceRepetition: true }, rollProvider)).toEqual(
|
||||
new RollResult(41, RollResultStatus.SUCCESS, [20, 19, 2]),
|
||||
);
|
||||
});
|
||||
});
|
||||
24
spec/support/ds4rolls/utils.spec.ts
Normal file
24
spec/support/ds4rolls/utils.spec.ts
Normal file
|
|
@ -0,0 +1,24 @@
|
|||
import "jasmine";
|
||||
import { isDiceSwapNecessary } from "../../../src/module/rolls/roll-utils";
|
||||
|
||||
describe("Utility function testing if dice swap is necessary", () => {
|
||||
it("Should not swap if all dice are crit successes.", () => {
|
||||
expect(isDiceSwapNecessary([[1, 1, 1], []], 9)).toBeFalse();
|
||||
});
|
||||
|
||||
it("Should not swap if no die is crit success.", () => {
|
||||
expect(isDiceSwapNecessary([[], [2, 2, 2]], 9)).toBeFalse();
|
||||
});
|
||||
|
||||
it("Should not swap if all dice are already in use", () => {
|
||||
expect(isDiceSwapNecessary([[1], [9, 8]], 10)).toBeFalse();
|
||||
});
|
||||
|
||||
it("Should not swap if result does not get any better", () => {
|
||||
expect(isDiceSwapNecessary([[1], [8]], 4)).toBeFalse();
|
||||
});
|
||||
|
||||
it("Should swap if result does get better", () => {
|
||||
expect(isDiceSwapNecessary([[1], [19]], 18)).toBeTrue();
|
||||
});
|
||||
});
|
||||
28
src/module/rolls/roll-data.ts
Normal file
28
src/module/rolls/roll-data.ts
Normal file
|
|
@ -0,0 +1,28 @@
|
|||
export interface RollOptions {
|
||||
maxCritSucc: number;
|
||||
minCritFail: number;
|
||||
useSlayingDice: boolean;
|
||||
slayingDiceRepetition: boolean;
|
||||
}
|
||||
|
||||
export class DefaultRollOptions implements RollOptions {
|
||||
public maxCritSucc = 1;
|
||||
public minCritFail = 20;
|
||||
public useSlayingDice = false;
|
||||
public slayingDiceRepetition = false;
|
||||
|
||||
mergeWith(other: Partial<RollOptions>): RollOptions {
|
||||
return { ...this, ...other } as RollOptions;
|
||||
}
|
||||
}
|
||||
|
||||
export class RollResult {
|
||||
constructor(public value: number, public status: RollResultStatus, public dice: Array<number>) {}
|
||||
}
|
||||
|
||||
export enum RollResultStatus {
|
||||
FAILURE,
|
||||
SUCCESS,
|
||||
CRITICAL_FAILURE,
|
||||
CRITICAL_SUCCESS,
|
||||
}
|
||||
|
|
@ -1,28 +1,51 @@
|
|||
import { DefaultRollOptions, RollOptions, RollResult, RollResultStatus } from "./roll-data";
|
||||
import { DS4RollProvider, RollProvider } from "./roll-provider";
|
||||
import { calculateRollResult, isDiceSwapNecessary, isSlayingDiceRepetition, separateCriticalHits } from "./roll-utils";
|
||||
|
||||
export function ds4test(testValue: number, rollOptions: RollOptions = new RollOptions()): RollResult {
|
||||
const finalRollValue = testValue;
|
||||
if (finalRollValue <= 20) {
|
||||
return rollCheckSingleDie(finalRollValue, rollOptions);
|
||||
/**
|
||||
* Performs a roll against a check target number, e.g. for usage in battle, but not for herbs.
|
||||
* @param {number} checkTargetValue the final CTN, including all static modifiers.
|
||||
* @param {Partial<RollOptions>} rollOptions optional, final option override that affect the checks outcome, e.g. different values for crits or whether slaying dice are used.
|
||||
*/
|
||||
export function ds4roll(checkTargetValue: number, rollOptions: Partial<RollOptions> = {}): RollResult {
|
||||
if (checkTargetValue <= 20) {
|
||||
return rollCheckSingleDie(checkTargetValue, rollOptions);
|
||||
} else {
|
||||
return rollCheckMultipleDice(finalRollValue, rollOptions);
|
||||
return rollCheckMultipleDice(checkTargetValue, rollOptions);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Performs a roll against a single die (CTN less than or equal 20).
|
||||
*
|
||||
* @internal
|
||||
* This is not intended for direct usage. Use
|
||||
* {@link ds4roll | the function that is not bound to an amount of Dice} instead.
|
||||
*
|
||||
* @remarks
|
||||
* The `provider` is only exposed for testing.
|
||||
*
|
||||
* @param {number} checkTargetValue - The target value to check against.
|
||||
* @param {RollOptions} rollOptions - Options that affect the checks outcome, e.g. different values for crits or whether slaying dice are used.
|
||||
* @param {RollProvider} provider - Service providing the various, real dice throws.
|
||||
*
|
||||
* @returns {RollResult} An object containing detailed information on the roll result.
|
||||
*/
|
||||
export function rollCheckSingleDie(
|
||||
testValue: number,
|
||||
rollOptions: RollOptions,
|
||||
checkTargetValue: number,
|
||||
rollOptions: Partial<RollOptions>,
|
||||
provider: RollProvider = new DS4RollProvider(),
|
||||
): RollResult {
|
||||
const usedOptions = new DefaultRollOptions().mergeWith(rollOptions);
|
||||
const roll = provider.getNextRoll();
|
||||
const dice = [roll];
|
||||
|
||||
if (roll <= rollOptions.maxCritSucc) {
|
||||
return new RollResult(testValue, RollResultStatus.CRITICAL_SUCCESS, dice);
|
||||
} else if (roll >= rollOptions.minCritFail) {
|
||||
if (roll <= usedOptions.maxCritSucc) {
|
||||
return new RollResult(checkTargetValue, RollResultStatus.CRITICAL_SUCCESS, dice);
|
||||
} else if (roll >= usedOptions.minCritFail && !isSlayingDiceRepetition(usedOptions)) {
|
||||
return new RollResult(0, RollResultStatus.CRITICAL_FAILURE, dice);
|
||||
} else {
|
||||
if (roll <= testValue) {
|
||||
if (roll <= checkTargetValue) {
|
||||
return new RollResult(roll, RollResultStatus.SUCCESS, dice);
|
||||
} else {
|
||||
return new RollResult(0, RollResultStatus.FAILURE, dice);
|
||||
|
|
@ -30,70 +53,60 @@ export function rollCheckSingleDie(
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Performs a roll against a multitude of die (CTN greater than 20).
|
||||
*
|
||||
* @internal
|
||||
* This is not intended for direct usage. Use
|
||||
* {@link ds4roll | the function that is not bound to an amount of Dice} instead.
|
||||
*
|
||||
* @remarks
|
||||
* The `provider` is only exposed for testing.
|
||||
*
|
||||
* @param {number} checkTargetValue- - The target value to check against.
|
||||
* @param {RollOptions} rollOptions - Options that affect the checks outcome, e.g. different values for crits or whether slaying dice are used.
|
||||
* @param {RollProvider} provider - Service providing the various, real dice throws.
|
||||
*
|
||||
* @returns {RollResult} An object containing detailed information on the roll result.
|
||||
*/
|
||||
export function rollCheckMultipleDice(
|
||||
testValue: number,
|
||||
rollOptions: RollOptions,
|
||||
targetValue: number,
|
||||
rollOptions: Partial<RollOptions>,
|
||||
provider: RollProvider = new DS4RollProvider(),
|
||||
): RollResult {
|
||||
const finalCheck = testValue % 20;
|
||||
const numberOfDice = Math.ceil(testValue / 20);
|
||||
const usedOptions = new DefaultRollOptions().mergeWith(rollOptions);
|
||||
const remainderTargetValue = targetValue % 20;
|
||||
const numberOfDice = Math.ceil(targetValue / 20);
|
||||
|
||||
const dice = provider.getNextRolls(numberOfDice);
|
||||
|
||||
const firstResult = dice[0];
|
||||
const slayingDiceRepetition = isSlayingDiceRepetition(usedOptions);
|
||||
|
||||
if (firstResult >= rollOptions.minCritFail) {
|
||||
// Slaying Dice require a different handling.
|
||||
if (firstResult >= usedOptions.minCritFail && !slayingDiceRepetition) {
|
||||
return new RollResult(0, RollResultStatus.CRITICAL_FAILURE, dice);
|
||||
}
|
||||
|
||||
const partitionCallback = (prev: [Array<number>, Array<number>], cur: number) => {
|
||||
if (cur <= rollOptions.maxCritSucc) {
|
||||
prev[0].push(cur);
|
||||
} else {
|
||||
prev[1].push(cur);
|
||||
}
|
||||
return prev;
|
||||
};
|
||||
const [critSuccesses, otherRolls] = separateCriticalHits(dice, usedOptions);
|
||||
|
||||
const [critSuccesses, otherRolls] = dice
|
||||
.reduce(partitionCallback, [[], []])
|
||||
.map((a) => a.sort((r1, r2) => r2 - r1));
|
||||
const swapLastWithCrit: boolean = isDiceSwapNecessary([critSuccesses, otherRolls], remainderTargetValue);
|
||||
|
||||
const sortedRollResults: Array<number> = critSuccesses.concat(otherRolls);
|
||||
let sortedRollResults: Array<number>;
|
||||
|
||||
const evaluationResult = sortedRollResults
|
||||
.map((value, index) => {
|
||||
if (index == numberOfDice - 1) {
|
||||
if (value == 1) {
|
||||
return finalCheck;
|
||||
if (swapLastWithCrit) {
|
||||
const diceToMove = critSuccesses[0];
|
||||
const remainingSuccesses = critSuccesses.slice(1);
|
||||
sortedRollResults = remainingSuccesses.concat(otherRolls).concat([diceToMove]);
|
||||
} else {
|
||||
return value <= finalCheck ? value : 0;
|
||||
sortedRollResults = critSuccesses.concat(otherRolls);
|
||||
}
|
||||
} else {
|
||||
if (value <= rollOptions.maxCritSucc) {
|
||||
return 20;
|
||||
} else {
|
||||
return value;
|
||||
}
|
||||
}
|
||||
})
|
||||
.reduce((a, b) => a + b);
|
||||
|
||||
const evaluationResult = calculateRollResult(sortedRollResults, remainderTargetValue, usedOptions);
|
||||
|
||||
if (usedOptions.useSlayingDice && firstResult <= usedOptions.maxCritSucc) {
|
||||
return new RollResult(evaluationResult, RollResultStatus.CRITICAL_SUCCESS, sortedRollResults);
|
||||
} else {
|
||||
return new RollResult(evaluationResult, RollResultStatus.SUCCESS, sortedRollResults);
|
||||
}
|
||||
|
||||
export class RollOptions {
|
||||
public maxCritSucc = 1;
|
||||
public minCritFail = 20;
|
||||
}
|
||||
|
||||
export class RollResult {
|
||||
constructor(public value: number, public status: RollResultStatus, public dice: Array<number>) {}
|
||||
}
|
||||
|
||||
export enum RollResultStatus {
|
||||
FAILURE,
|
||||
SUCCESS,
|
||||
CRITICAL_FAILURE,
|
||||
CRITICAL_SUCCESS,
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,4 +1,10 @@
|
|||
export class DS4RollProvider {
|
||||
/**
|
||||
* Runtime-implementation of the {@link RollProvider}.
|
||||
*
|
||||
* @remarks
|
||||
* Do not use for tests, it will inevitably fail because the `Roll` class is only provided from declarations, not as implementation!
|
||||
*/
|
||||
export class DS4RollProvider implements RollProvider {
|
||||
getNextRoll(): number {
|
||||
return new Roll("1d20").roll().total;
|
||||
}
|
||||
|
|
@ -10,7 +16,10 @@ export class DS4RollProvider {
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Provides methods to fetch one or multiple rolls.
|
||||
*/
|
||||
export interface RollProvider {
|
||||
getNextRoll(): number;
|
||||
getNextRolls(number: number): Array<number>;
|
||||
getNextRolls(amount: number): Array<number>;
|
||||
}
|
||||
|
|
|
|||
139
src/module/rolls/roll-utils.ts
Normal file
139
src/module/rolls/roll-utils.ts
Normal file
|
|
@ -0,0 +1,139 @@
|
|||
import { RollOptions } from "./roll-data";
|
||||
|
||||
/**
|
||||
* Separates critical hits ("Coups") from throws, that get counted with their regular value.
|
||||
*
|
||||
* @internal
|
||||
*
|
||||
* @private_remarks
|
||||
* This uses an internal implementation of a `partition` method. Don't let typescript fool you, it will tell you that a partition method is available for Arrays, but that one's imported globally from foundry's declarations and not available during the test stage!
|
||||
*
|
||||
* @param {Array<number>} dice - The dice values.
|
||||
* @param {RollOptions} usedOptions - Options that affect the check's behaviour.
|
||||
* @returns {[Array<number>, Array<number>]} A tuple containing two arrays of dice values, the first one containing all critical hits, the second one containing all others. Both arrays are sorted descendingby value.
|
||||
*/
|
||||
export function separateCriticalHits(dice: Array<number>, usedOptions: RollOptions): CritsAndNonCrits {
|
||||
const [critSuccesses, otherRolls] = partition(dice, (v: number) => {
|
||||
return v <= usedOptions.maxCritSucc;
|
||||
}).map((a) => a.sort((r1, r2) => r2 - r1));
|
||||
|
||||
return [critSuccesses, otherRolls];
|
||||
}
|
||||
/**
|
||||
* Helper type to properly bind combinations of critical and non critical dice.
|
||||
* @internal
|
||||
*/
|
||||
type CritsAndNonCrits = [Array<number>, Array<number>];
|
||||
|
||||
/**
|
||||
* Partition an array into two, following a predicate.
|
||||
* @param {Array<T>} input The Array to split.
|
||||
* @param {(T) => boolean} predicate The predicate by which to split.
|
||||
* @returns A tuple of two arrays, the first one containing all elements from `input` that matched the predicate, the second one containing those that don't.
|
||||
*/
|
||||
// TODO: Move to generic utils method?
|
||||
function partition<T>(input: Array<T>, predicate: (v: T) => boolean) {
|
||||
return input.reduce(
|
||||
(p: [Array<T>, Array<T>], cur: T) => {
|
||||
if (predicate(cur)) {
|
||||
p[0].push(cur);
|
||||
} else {
|
||||
p[1].push(cur);
|
||||
}
|
||||
return p;
|
||||
},
|
||||
[[], []],
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* Calculates if a critical success should be moved to the last position in order to maximize the check's result.
|
||||
*
|
||||
* @example
|
||||
* With regular dice rolling rules and a check target number of 31, the two dice 1 and 19 can get to a check result of 30.
|
||||
* This method would be called as follows:
|
||||
* ```
|
||||
* isDiceSwapNecessary([[1], [19]], 11)
|
||||
* ```
|
||||
*
|
||||
* @param {[Array<number>, Array<number>]} critsAndNonCrits the dice values thrown. It is assumed that both critical successes and other rolls are sorted descending.
|
||||
* @param {number} remainingTargetValue the target value for the last dice, that is the only one that can be less than 20.
|
||||
* @returns {boolean} Bool indicating whether a critical success has to be used as the last dice.
|
||||
*/
|
||||
export function isDiceSwapNecessary(
|
||||
[critSuccesses, otherRolls]: CritsAndNonCrits,
|
||||
remainingTargetValue: number,
|
||||
): boolean {
|
||||
if (critSuccesses.length == 0 || otherRolls.length == 0) {
|
||||
return false;
|
||||
}
|
||||
const amountOfOtherRolls = otherRolls.length;
|
||||
const lastDice = otherRolls[amountOfOtherRolls - 1];
|
||||
if (lastDice <= remainingTargetValue) {
|
||||
return false;
|
||||
}
|
||||
|
||||
return lastDice + remainingTargetValue > 20;
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks if the options indicate that the current check is emerging from a crit success on a roll with slaying dice.
|
||||
*
|
||||
* @internal
|
||||
*
|
||||
* @param {RollOptions} opts the roll options to check against
|
||||
*/
|
||||
export function isSlayingDiceRepetition(opts: RollOptions): boolean {
|
||||
return opts.useSlayingDice && opts.slayingDiceRepetition;
|
||||
}
|
||||
|
||||
/**
|
||||
* Calculate the check value of an array of dice, assuming the dice should be used in order of occurence.
|
||||
*
|
||||
* @internal
|
||||
*
|
||||
* @param assignedRollResults The dice values in the order of usage.
|
||||
* @param remainderTargetValue Target value for the last dice (the only one differing from `20`).
|
||||
* @param rollOptions Config object containing options that change the way dice results are handled.
|
||||
*
|
||||
* @returns {number} The total check value.
|
||||
*/
|
||||
export function calculateRollResult(
|
||||
assignedRollResults: Array<number>,
|
||||
remainderTargetValue: number,
|
||||
rollOptions: RollOptions,
|
||||
): number {
|
||||
const numberOfDice = assignedRollResults.length;
|
||||
|
||||
const maxResultPerDie: Array<number> = Array(numberOfDice).fill(20);
|
||||
maxResultPerDie[numberOfDice - 1] = remainderTargetValue;
|
||||
|
||||
const rollsAndMaxValues = zip(assignedRollResults, maxResultPerDie);
|
||||
|
||||
return rollsAndMaxValues
|
||||
.map(([v, m]) => {
|
||||
return v <= rollOptions.maxCritSucc ? [m, m] : [v, m];
|
||||
})
|
||||
.filter(([v, m]) => v <= m)
|
||||
.map(([v]) => v)
|
||||
.reduce((a, b) => a + b);
|
||||
}
|
||||
|
||||
// TODO: Move to generic utils method?
|
||||
/**
|
||||
* Zips two Arrays to an array of pairs of elements with corresponding indices. Excessive elements are dropped.
|
||||
* @param {Array<T>} a1 First array to zip.
|
||||
* @param {Array<U>} a2 Second array to zip.
|
||||
*
|
||||
* @typeParam T - Type of elements contained in `a1`.
|
||||
* @typeParam U - Type of elements contained in `a2`.
|
||||
*
|
||||
* @returns {Array<[T,U]>} The array of pairs that had the same index in their source array.
|
||||
*/
|
||||
function zip<T, U>(a1: Array<T>, a2: Array<U>): Array<[T, U]> {
|
||||
if (a1.length <= a2.length) {
|
||||
return a1.map((e1, i) => [e1, a2[i]]);
|
||||
} else {
|
||||
return a2.map((e2, i) => [a1[i], e2]);
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue