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Merge branch '007-rollsLib' into 'master'

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Basic Roll library

Closes #7

See merge request dungeonslayers/ds4!9
This commit is contained in:
Johannes Loher 2020-12-31 02:31:20 +01:00
commit cba20e47e5
10 changed files with 540 additions and 14 deletions
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3
.gitignore vendored
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@ -14,3 +14,6 @@ dist
# ESLint
.eslintcache
# Junit results
results.xml

17
.gitlab-ci.yml
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@ -29,12 +29,17 @@ lint:
cache:
<<: *global_cache
# Test:
# stage: Test
# script:
# - npm test
# cache:
# <<: *global_cache
test:
stage: test
script:
- npm run test:ci
cache:
<<: *global_cache
artifacts:
when: always
reports:
junit:
- results.xml
build:
stage: build

8
.vscode/extensions.json vendored Normal file
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@ -0,0 +1,8 @@
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111
package-lock.json generated
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@ -110,6 +110,12 @@
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@ -2678,7 +2702,7 @@
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@ -4326,6 +4385,12 @@
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@ -5993,6 +6058,24 @@
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@ -6514,6 +6597,20 @@
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6
package.json
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@ -12,11 +12,14 @@
"update": "npm install --save-dev git+https://git.f3l.de/dungeonslayers/foundry-pc-types.git#f3l-fixes",
"lint": "eslint 'src/**/*.ts' --cache",
"lint:fix": "eslint 'src/**/*.ts' --cache --fix",
"test": "ts-node ./node_modules/jasmine/bin/jasmine",
"test:ci": "ts-node ./node_modules/jasmine-xml-reporter/bin/jasmine --junitreport",
"format": "prettier --write 'src/**/*.(ts|json|scss)'"
},
"author": "",
"license": "",
"devDependencies": {
"@types/jasmine": "^3.6.2",
"@typescript-eslint/eslint-plugin": "^4.11.0",
"@typescript-eslint/parser": "^4.11.0",
"archiver": "^5.1.0",
@ -32,10 +35,13 @@
"gulp-sass": "^4.1.0",
"gulp-typescript": "^6.0.0-alpha.1",
"husky": "^4.3.6",
"jasmine": "^3.6.3",
"jasmine-xml-reporter": "^1.2.1",
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"lint-staged": "^10.5.3",
"prettier": "^2.2.1",
"sass": "^1.30.0",
"ts-node": "^9.1.1",
"typescript": "^4.1.3",
"yargs": "^16.2.0"
},

272
spec/support/ds4rolls.spec.ts Normal file
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@ -0,0 +1,272 @@
import {
rollCheckMultipleDice,
rollCheckSingleDie,
RollOptions,
RollResult,
RollResultStatus,
} from "../../src/module/rolls/roll-executor";
import { RollProvider } from "../../src/module/rolls/roll-provider";
import "jasmine";
describe("DS4 Rolls with one die and no modifications.", () => {
it("Should do a regular success roll.", () => {
const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRoll"]);
rollProvider.getNextRoll = jasmine.createSpy("getNextRoll").and.returnValue(4);
expect(rollCheckSingleDie(12, new RollOptions(), rollProvider)).toEqual(
new RollResult(4, RollResultStatus.SUCCESS, [4]),
);
});
it("Should do a single success roll on success upper edge case.", () => {
const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRoll"]);
rollProvider.getNextRoll = jasmine.createSpy("getNextRoll").and.returnValue(4);
expect(rollCheckSingleDie(4, new RollOptions(), rollProvider)).toEqual(
new RollResult(4, RollResultStatus.SUCCESS, [4]),
);
});
it("Should do a single failure roll on lower edge case.", () => {
const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRoll"]);
rollProvider.getNextRoll = jasmine.createSpy("getNextRoll").and.returnValue(5);
expect(rollCheckSingleDie(4, new RollOptions(), rollProvider)).toEqual(
new RollResult(0, RollResultStatus.FAILURE, [5]),
);
});
it("Should do a single failure roll on upper edge case '19'.", () => {
const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRoll"]);
rollProvider.getNextRoll = jasmine.createSpy("getNextRoll").and.returnValue(19);
expect(rollCheckSingleDie(4, new RollOptions(), rollProvider)).toEqual(
new RollResult(0, RollResultStatus.FAILURE, [19]),
);
});
it("Should do a single crit success roll on '1'.", () => {
const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRoll"]);
rollProvider.getNextRoll = jasmine.createSpy("getNextRoll").and.returnValue(1);
expect(rollCheckSingleDie(4, new RollOptions(), rollProvider)).toEqual(
new RollResult(4, RollResultStatus.CRITICAL_SUCCESS, [1]),
);
});
it("Should do a single crit failure roll on '20'.", () => {
const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRoll"]);
rollProvider.getNextRoll = jasmine.createSpy("getNextRoll").and.returnValue(20);
expect(rollCheckSingleDie(4, new RollOptions(), rollProvider)).toEqual(
new RollResult(0, RollResultStatus.CRITICAL_FAILURE, [20]),
);
});
});
describe("DS4 Rolls with one die and crit roll modifications.", () => {
it("Should do a crit success on `1`.", () => {
const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRoll"]);
rollProvider.getNextRoll = jasmine.createSpy("getNextRoll").and.returnValue(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: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRoll"]);
rollProvider.getNextRoll = jasmine.createSpy("getNextRoll").and.returnValue(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: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRoll"]);
rollProvider.getNextRoll = jasmine.createSpy("getNextRoll").and.returnValue(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: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRoll"]);
rollProvider.getNextRoll = jasmine.createSpy("getNextRoll").and.returnValue(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: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRoll"]);
rollProvider.getNextRoll = jasmine.createSpy("getNextRoll").and.returnValue(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: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRoll"]);
rollProvider.getNextRoll = jasmine.createSpy("getNextRoll").and.returnValue(20);
expect(rollCheckSingleDie(4, { maxCritSucc: 2, minCritFail: 19 }, rollProvider)).toEqual(
new RollResult(0, RollResultStatus.CRITICAL_FAILURE, [20]),
);
});
});
describe("DS4 Rools with multiple dice and no modifiers.", () => {
it("Should do a crit fail on `20` for first roll.", () => {
const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRolls"]);
rollProvider.getNextRolls = jasmine.createSpy("getNextRolls").and.returnValue([20, 15, 6]);
expect(rollCheckMultipleDice(48, new RollOptions(), rollProvider)).toEqual(
new RollResult(0, RollResultStatus.CRITICAL_FAILURE, [20, 15, 6]),
);
});
it("Should succeed with all rolls crit successes.", () => {
const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRolls"]);
rollProvider.getNextRolls = jasmine.createSpy("getNextRolls").and.returnValue([1, 1, 1]);
expect(rollCheckMultipleDice(48, new RollOptions(), rollProvider)).toEqual(
new RollResult(48, RollResultStatus.SUCCESS, [1, 1, 1]),
);
});
it("Should succeed with the last roll not being suficient.", () => {
const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRolls"]);
rollProvider.getNextRolls = jasmine.createSpy("getNextRolls").and.returnValue([15, 15, 15]);
expect(rollCheckMultipleDice(48, new RollOptions(), rollProvider)).toEqual(
new RollResult(30, RollResultStatus.SUCCESS, [15, 15, 15]),
);
});
it("Should succeed with the last roll a crit success.", () => {
const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRolls"]);
rollProvider.getNextRolls = jasmine.createSpy("getNextRolls").and.returnValue([15, 15, 1]);
expect(rollCheckMultipleDice(48, new RollOptions(), rollProvider)).toEqual(
new RollResult(35, RollResultStatus.SUCCESS, [1, 15, 15]),
);
});
it("Should succeed with the last roll being 20 and one crit success.", () => {
const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRolls"]);
rollProvider.getNextRolls = jasmine.createSpy("getNextRolls").and.returnValue([15, 1, 20]);
expect(rollCheckMultipleDice(48, new RollOptions(), rollProvider)).toEqual(
new RollResult(40, RollResultStatus.SUCCESS, [1, 20, 15]),
);
});
});
describe("DS4 Rools with multiple dice and min/max modifiers.", () => {
it("Should do a crit fail on `19` for first roll.", () => {
const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRolls"]);
rollProvider.getNextRolls = jasmine.createSpy("getNextRolls").and.returnValue([19, 15, 6]);
expect(rollCheckMultipleDice(48, { maxCritSucc: 2, minCritFail: 19 } as RollOptions, rollProvider)).toEqual(
new RollResult(0, RollResultStatus.CRITICAL_FAILURE, [19, 15, 6]),
);
});
it("Should succeed with all rolls crit successes (1 and 2).", () => {
const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRolls"]);
rollProvider.getNextRolls = jasmine.createSpy("getNextRolls").and.returnValue([2, 1, 2]);
expect(rollCheckMultipleDice(48, { maxCritSucc: 2, minCritFail: 19 } as RollOptions, rollProvider)).toEqual(
new RollResult(48, RollResultStatus.SUCCESS, [2, 2, 1]),
);
});
it("Should succeed with the last roll not being suficient.", () => {
const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRolls"]);
rollProvider.getNextRolls = jasmine.createSpy("getNextRolls").and.returnValue([15, 15, 15]);
expect(rollCheckMultipleDice(48, { maxCritSucc: 2, minCritFail: 19 } as RollOptions, rollProvider)).toEqual(
new RollResult(30, RollResultStatus.SUCCESS, [15, 15, 15]),
);
});
it("Should succeed with the last roll a crit success `2`.", () => {
const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRolls"]);
rollProvider.getNextRolls = jasmine.createSpy("getNextRolls").and.returnValue([15, 15, 2]);
expect(rollCheckMultipleDice(48, { maxCritSucc: 2, minCritFail: 19 } as RollOptions, rollProvider)).toEqual(
new RollResult(35, RollResultStatus.SUCCESS, [2, 15, 15]),
);
});
it("Should succeed with the last roll being `20` and one crit success '2'.", () => {
const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRolls"]);
rollProvider.getNextRolls = jasmine.createSpy("getNextRolls").and.returnValue([15, 2, 20]);
expect(rollCheckMultipleDice(48, { maxCritSucc: 2, minCritFail: 19 } as RollOptions, rollProvider)).toEqual(
new RollResult(40, RollResultStatus.SUCCESS, [2, 20, 15]),
);
});
it("Should succeed with the last roll being `19` and one crit success '2'.", () => {
const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRolls"]);
rollProvider.getNextRolls = jasmine.createSpy("getNextRolls").and.returnValue([15, 2, 19]);
expect(rollCheckMultipleDice(48, { maxCritSucc: 2, minCritFail: 19 } as RollOptions, rollProvider)).toEqual(
new RollResult(39, RollResultStatus.SUCCESS, [2, 19, 15]),
);
});
});
describe("DS4 Rools with multiple dice and fail modifiers.", () => {
it("Should do a crit fail on `19` for first roll.", () => {
const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRolls"]);
rollProvider.getNextRolls = jasmine.createSpy("getNextRolls").and.returnValue([19, 15, 6]);
expect(rollCheckMultipleDice(48, { minCritFail: 19 } as RollOptions, rollProvider)).toEqual(
new RollResult(0, RollResultStatus.CRITICAL_FAILURE, [19, 15, 6]),
);
});
});
describe("DS4 Rools with multiple dice and success modifiers.", () => {
it("Should succeed with all rolls crit successes (1 and 2).", () => {
const rollProvider: RollProvider = jasmine.createSpyObj("rollProvider", ["getNextRolls"]);
rollProvider.getNextRolls = jasmine.createSpy("getNextRolls").and.returnValue([2, 1, 2]);
expect(rollCheckMultipleDice(48, { maxCritSucc: 2 } as RollOptions, rollProvider)).toEqual(
new RollResult(48, RollResultStatus.SUCCESS, [2, 2, 1]),
);
});
});

7
spec/support/jasmine.json Normal file
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@ -0,0 +1,7 @@
{
"spec_dir": "spec",
"spec_files": ["**/*[sS]pec.ts"],
"helpers": ["helpers/**/*.ts"],
"stopSpecOnExpectationFailure": false,
"random": true
}

99
src/module/rolls/roll-executor.ts Normal file
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@ -0,0 +1,99 @@
import { DS4RollProvider, RollProvider } from "./roll-provider";
export function ds4test(testValue: number, rollOptions: RollOptions = new RollOptions()): RollResult {
const finalRollValue = testValue;
if (finalRollValue <= 20) {
return rollCheckSingleDie(finalRollValue, rollOptions);
} else {
return rollCheckMultipleDice(finalRollValue, rollOptions);
}
}
export function rollCheckSingleDie(
testValue: number,
rollOptions: RollOptions,
provider: RollProvider = new DS4RollProvider(),
): RollResult {
const roll = provider.getNextRoll();
const dice = [roll];
if (roll <= rollOptions.maxCritSucc) {
return new RollResult(testValue, RollResultStatus.CRITICAL_SUCCESS, dice);
} else if (roll >= rollOptions.minCritFail) {
return new RollResult(0, RollResultStatus.CRITICAL_FAILURE, dice);
} else {
if (roll <= testValue) {
return new RollResult(roll, RollResultStatus.SUCCESS, dice);
} else {
return new RollResult(0, RollResultStatus.FAILURE, dice);
}
}
}
export function rollCheckMultipleDice(
testValue: number,
rollOptions: RollOptions,
provider: RollProvider = new DS4RollProvider(),
): RollResult {
const finalCheck = testValue % 20;
const numberOfDice = Math.ceil(testValue / 20);
const dice = provider.getNextRolls(numberOfDice);
const firstResult = dice[0];
if (firstResult >= rollOptions.minCritFail) {
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] = dice
.reduce(partitionCallback, [[], []])
.map((a) => a.sort((r1, r2) => r2 - r1));
const sortedRollResults: Array<number> = critSuccesses.concat(otherRolls);
const evaluationResult = sortedRollResults
.map((value, index) => {
if (index == numberOfDice - 1) {
if (value == 1) {
return finalCheck;
} else {
return value <= finalCheck ? value : 0;
}
} else {
if (value <= rollOptions.maxCritSucc) {
return 20;
} else {
return value;
}
}
})
.reduce((a, b) => a + b);
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,
}

16
src/module/rolls/roll-provider.ts Normal file
View file

@ -0,0 +1,16 @@
export class DS4RollProvider {
getNextRoll(): number {
return new Roll("1d20").roll().total;
}
getNextRolls(amount: number): Array<number> {
return Array(amount)
.fill(0)
.map(() => this.getNextRoll());
}
}
export interface RollProvider {
getNextRoll(): number;
getNextRolls(number: number): Array<number>;
}

3
tsconfig.json
View file

@ -2,6 +2,7 @@
"compilerOptions": {
"target": "ES2017",
"lib": ["DOM", "ES6", "ES2017"],
"types": ["foundry-pc-types"]
"types": ["foundry-pc-types"],
"esModuleInterop": true
}
}