39 lines
1.6 KiB
TypeScript
39 lines
1.6 KiB
TypeScript
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import { expect, test } from "bun:test"
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import { RenderProtocol } from "../engine/render/RenderProtocol"
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import type { RenderInstance } from "../engine/render/RenderScene"
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import type { Camera } from "../engine/scene/Camera"
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test("render camera protocol owns its complete shared layout", () => {
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const input: Camera = { position: { x: 1, y: 2, z: 3 }, yaw: 4, pitch: 5, fov: 6 }
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const data = new Float64Array(RenderProtocol.CAMERA_LENGTH)
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RenderProtocol.writeCamera(data, input, 7)
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const output = RenderProtocol.readCamera(data)
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expect(output).toEqual({ camera: input, time: 7 })
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expect(RenderProtocol.VIEW_PROJECTION_LENGTH).toBe(16)
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})
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test("render instance protocol round-trips scene-local prototype indexes", () => {
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const input: RenderInstance[] = [
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{ prototype: 2, x: 1.25, y: -2, z: 3.5, heading: 0.75, scale: 1.5 },
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{ prototype: 0, x: -4, y: 5.25, z: 6, heading: -0.5, scale: 0.625 },
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]
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const ids = new Int32Array(2)
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const transforms = new Float32Array(2 * RenderProtocol.TRANSFORM_FLOATS)
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const output: RenderInstance[] = []
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const count = RenderProtocol.writeInstances(ids, transforms, input)
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RenderProtocol.readInstances(ids, transforms, count, output)
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expect(output).toHaveLength(input.length)
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for (let i = 0; i < input.length; i++) {
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expect(output[i].prototype).toBe(input[i].prototype)
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expect(output[i].x).toBeCloseTo(input[i].x)
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expect(output[i].y).toBeCloseTo(input[i].y)
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expect(output[i].z).toBeCloseTo(input[i].z)
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expect(output[i].heading).toBeCloseTo(input[i].heading)
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expect(output[i].scale).toBeCloseTo(input[i].scale)
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}
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})
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