50 lines
1.7 KiB
JavaScript
50 lines
1.7 KiB
JavaScript
/* eslint-env mocha */
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const World = require('prismarine-world')('1.16.4')
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const Chunk = require('prismarine-chunk')('1.16.4')
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const mcData = require('minecraft-data')('1.16.4')
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const { Vec3 } = require('vec3')
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const assert = require('assert')
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describe('raycasting', function () {
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function generateFlatChunk () {
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const chunk = new Chunk()
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for (let x = 0; x < 16; x++) {
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for (let z = 0; z < 16; z++) {
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chunk.setBlockType(new Vec3(x, 0, z), mcData.blocksByName.bedrock.id)
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chunk.setBlockType(new Vec3(x, 1, z), mcData.blocksByName.dirt.id)
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chunk.setBlockType(new Vec3(x, 2, z), mcData.blocksByName.dirt.id)
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chunk.setBlockType(new Vec3(x, 3, z), mcData.blocksByName.grass_block.id)
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}
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}
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return chunk
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}
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const world = new World(generateFlatChunk, null)
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it('raycast cardinals', async () => {
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const head = new Vec3(0, 5.6, 0)
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for (const dir of [new Vec3(1, -1, 0), new Vec3(-1, -1, 0), new Vec3(0, -1, 1), new Vec3(0, -1, -1)]) {
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const block = await world.raycast(head, dir.normalize(), 10)
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assert.notStrictEqual(block, null)
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}
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})
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it('raycast diagonals', async () => {
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const head = new Vec3(0, 5.6, 0)
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for (const dir of [new Vec3(1, -1, 1), new Vec3(-1, -1, -1), new Vec3(-1, -1, 1), new Vec3(1, -1, -1)]) {
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const block = await world.raycast(head, dir.normalize(), 10)
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assert.notStrictEqual(block, null)
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}
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})
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it('raycast up/down', async () => {
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const head = new Vec3(0, 5.6, 0)
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const up = await world.raycast(head, new Vec3(0, 1, 0), 10)
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assert.strictEqual(up, null)
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const down = await world.raycast(head, new Vec3(0, -1, 0), 10)
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assert.notStrictEqual(down, null)
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})
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})
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