diablo2-web/tests/wilderness-features.test.ts

138 lines
4.5 KiB
TypeScript

import { describe, expect, test } from "vitest"
import {
isClosedBorder,
selectBorderVariant,
getPerimeterOpenings,
SPECIAL_PRESETS_BY_LEVEL,
generateWilderness,
} from "../src/game/wilderness.ts"
import type { WildernessPiece } from "../src/game/wilderness.ts"
import { Rng } from "../src/game/rng.ts"
import type { Ds1, Ds1Cell } from "../src/formats/ds1.ts"
function makeMockDs1(width: number, height: number, hasGapInWalls: boolean): Ds1 {
const cells: Ds1Cell[][] = []
for (let y = 0; y < height; y += 1) {
const row: Ds1Cell[] = []
for (let x = 0; x < width; x += 1) {
const isGap = hasGapInWalls && x === Math.floor(width / 2)
row.push({
walls: isGap ? [] : [{ prop1: 2, sequence: 0, style: 1, type: 0, unknown1: 0, unknown2: 0, hidden: false }],
floors: [{ prop1: 2, sequence: 0, style: 1, unknown1: 0, unknown2: 0, hidden: false }],
shadows: [],
substitutions: [],
})
}
cells.push(row)
}
return {
version: 18,
width,
height,
act: 1,
substitutionType: 0,
wallLayers: 1,
floorLayers: 1,
cells,
objects: [],
npcPathOffset: null,
}
}
describe("Wilderness Features & Border Rules", () => {
test("isClosedBorder identifies continuous vs open wall presets", () => {
const closed = makeMockDs1(8, 8, false)
const open = makeMockDs1(8, 8, true)
expect(isClosedBorder(closed, "south")).toBe(true)
expect(isClosedBorder(closed, "north")).toBe(true)
expect(isClosedBorder(open, "south")).toBe(false)
expect(isClosedBorder(open, "north")).toBe(false)
})
test("getPerimeterOpenings enforces 0 exits for Cow Level and 1 entrance/1 exit for Blood Moor", () => {
const cowOpenings = getPerimeterOpenings(39, 10, 10)
expect(cowOpenings.size).toBe(0)
const bloodMoorOpenings = getPerimeterOpenings(2, 10, 10)
expect(bloodMoorOpenings.size).toBe(2)
expect(bloodMoorOpenings.has("5,9")).toBe(true)
expect(bloodMoorOpenings.has("9,5")).toBe(true)
})
test("selectBorderVariant picks open variant for openings and closed variant for closed walls", () => {
const closedDs1 = makeMockDs1(8, 8, false)
const openDs1 = makeMockDs1(8, 8, true)
const piece: WildernessPiece = {
name: "Act 1 - Wild Border 1",
border: true,
levels: [closedDs1, openDs1],
}
const rng = new Rng(12345)
const pickedOpen = selectBorderVariant(piece, "south", true, rng)
expect(isClosedBorder(pickedOpen, "south")).toBe(false)
const pickedClosed = selectBorderVariant(piece, "south", false, rng)
expect(isClosedBorder(pickedClosed, "south")).toBe(true)
})
test("SPECIAL_PRESETS_BY_LEVEL contains stone walls and river presets", () => {
const bloodMoorPresets = SPECIAL_PRESETS_BY_LEVEL[2]
expect(bloodMoorPresets).toBeDefined()
expect(bloodMoorPresets).toContain("Act 1 - Corral Fill")
expect(bloodMoorPresets).toContain("Act 1 - Fence Fill 4")
expect(bloodMoorPresets).toContain("Act 1 - River Upper")
expect(bloodMoorPresets).toContain("Act 1 - Bridge")
const cowPresets = SPECIAL_PRESETS_BY_LEVEL[39]
expect(cowPresets).toBeDefined()
expect(cowPresets).toContain("Act 1 - Corral Fill")
expect(cowPresets).toContain("Act 1 - Fence Fill 4")
expect(cowPresets).toContain("Act 1 - Fence Fill 5")
expect(cowPresets).toContain("Act 1 - Bivouac")
expect(cowPresets).toContain("Act 1 - Pond")
})
test("generateWilderness generates Level 2 with river or pond deterministically by seed", () => {
const closedDs1 = makeMockDs1(8, 8, false)
const piece: WildernessPiece = {
name: "Act 1 - Wild Border 1",
border: true,
levels: [closedDs1],
}
const riverPiece: WildernessPiece = {
name: "Act 1 - River Upper",
border: false,
levels: [closedDs1],
}
const pondPiece: WildernessPiece = {
name: "Act 1 - Pond",
border: false,
levels: [closedDs1],
}
const corralPiece: WildernessPiece = {
name: "Act 1 - Corral Fill",
border: false,
levels: [closedDs1],
}
const result = generateWilderness({
levelId: 2,
levelName: "Blood Moor",
levelTypeName: "Act 1 - Wilderness",
sizeX: 80,
sizeY: 80,
subType: 6,
subTheme: 0,
seed: 12345,
pieces: [piece, riverPiece, pondPiece, corralPiece],
substitutions: [],
})
expect(result.stats.blockGrid).toEqual({ width: 10, height: 10 })
expect(result.level.width).toBe(80)
expect(result.level.height).toBe(80)
})
})