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* mockup * add editor ui * invert distance weighting * add to component shelf * checkpoint * combine reflection probe system and envmap component add "Bake Probes" button add resource management and proper cleanup add single dedicated webgl renderer * localize "bake probes" button * localize "bake probes" button
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67 changes: 67 additions & 0 deletions
67
packages/engine/src/scene/components/ReflectionProbeComponent.tsx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| /* | ||
| CPAL-1.0 License | ||
| The contents of this file are subject to the Common Public Attribution License | ||
| Version 1.0. (the "License"); you may not use this file except in compliance | ||
| with the License. You may obtain a copy of the License at | ||
| https://github.com/EtherealEngine/etherealengine/blob/dev/LICENSE. | ||
| The License is based on the Mozilla Public License Version 1.1, but Sections 14 | ||
| and 15 have been added to cover use of software over a computer network and | ||
| provide for limited attribution for the Original Developer. In addition, | ||
| Exhibit A has been modified to be consistent with Exhibit B. | ||
| Software distributed under the License is distributed on an "AS IS" basis, | ||
| WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the | ||
| specific language governing rights and limitations under the License. | ||
| The Original Code is Ethereal Engine. | ||
| The Original Developer is the Initial Developer. The Initial Developer of the | ||
| Original Code is the Ethereal Engine team. | ||
| All portions of the code written by the Ethereal Engine team are Copyright © 2021-2023 | ||
| Ethereal Engine. All Rights Reserved. | ||
| */ | ||
|
|
||
| import { defineComponent, useComponent, useEntityContext } from '@etherealengine/ecs' | ||
| import { useEffect } from 'react' | ||
| import { Texture } from 'three' | ||
| import { useTexture } from '../../assets/functions/resourceLoaderHooks' | ||
| import { addError } from '../functions/ErrorFunctions' | ||
|
|
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| export const ReflectionProbeComponent = defineComponent({ | ||
| name: 'ReflectionProbeComponent', | ||
| jsonID: 'IR_reflectionProbe', | ||
| onInit: () => ({ | ||
| src: '', | ||
| // internal | ||
| texture: null as Texture | null | ||
| }), | ||
| toJSON: (entity, component) => ({ | ||
| src: component.src.value | ||
| }), | ||
| onSet: (entity, component, json) => { | ||
| if (typeof json === 'undefined') return | ||
| if (typeof json.src === 'string') { | ||
| component.src.set(json.src) | ||
| } | ||
| }, | ||
| errors: ['LOADING_ERROR'], | ||
| reactor: () => { | ||
| const entity = useEntityContext() | ||
| const probeComponent = useComponent(entity, ReflectionProbeComponent) | ||
|
|
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| const [probeTexture, error] = useTexture(probeComponent.src.value, entity) | ||
|
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| useEffect(() => { | ||
| if (!probeTexture) return | ||
| probeComponent.texture.set(probeTexture) | ||
| }, [probeTexture]) | ||
|
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| useEffect(() => { | ||
| if (!error) return | ||
| probeComponent.texture.set(null) | ||
| addError(entity, ReflectionProbeComponent, 'LOADING_ERROR', 'Failed to load reflection probe texture.') | ||
| }) | ||
| } | ||
| }) |
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175 changes: 175 additions & 0 deletions
175
packages/engine/src/scene/functions/reflectionProbeFunctions.tsx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,175 @@ | ||
| /* | ||
| CPAL-1.0 License | ||
| The contents of this file are subject to the Common Public Attribution License | ||
| Version 1.0. (the "License"); you may not use this file except in compliance | ||
| with the License. You may obtain a copy of the License at | ||
| https://github.com/EtherealEngine/etherealengine/blob/dev/LICENSE. | ||
| The License is based on the Mozilla Public License Version 1.1, but Sections 14 | ||
| and 15 have been added to cover use of software over a computer network and | ||
| provide for limited attribution for the Original Developer. In addition, | ||
| Exhibit A has been modified to be consistent with Exhibit B. | ||
| Software distributed under the License is distributed on an "AS IS" basis, | ||
| WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the | ||
| specific language governing rights and limitations under the License. | ||
| The Original Code is Ethereal Engine. | ||
| The Original Developer is the Initial Developer. The Initial Developer of the | ||
| Original Code is the Ethereal Engine team. | ||
| All portions of the code written by the Ethereal Engine team are Copyright © 2021-2023 | ||
| Ethereal Engine. All Rights Reserved. | ||
| */ | ||
|
|
||
| import { Entity, getComponent } from '@etherealengine/ecs' | ||
| import { TransformComponent } from '@etherealengine/spatial' | ||
| import { createDisposable } from '@etherealengine/spatial/src/resources/resourceHooks' | ||
| import { | ||
| CanvasTexture, | ||
| EquirectangularReflectionMapping, | ||
| LinearFilter, | ||
| Mesh, | ||
| OrthographicCamera, | ||
| PlaneGeometry, | ||
| RepeatWrapping, | ||
| SRGBColorSpace, | ||
| Scene, | ||
| ShaderMaterial, | ||
| Texture, | ||
| Uniform, | ||
| WebGLRenderer | ||
| } from 'three' | ||
| import { ReflectionProbeComponent } from '../components/ReflectionProbeComponent' | ||
|
|
||
| let textureIndex = 0 | ||
| let renderer: WebGLRenderer | null = null | ||
| let canvas: HTMLCanvasElement | null = null | ||
|
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| export function createReflectionProbeRenderTarget(entity: Entity, probes: Entity[]): [Texture, () => void] { | ||
| if (!canvas) { | ||
| canvas = document.createElementNS('http://www.w3.org/1999/xhtml', 'canvas') as HTMLCanvasElement | ||
| canvas.style.display = 'block' | ||
| } | ||
| if (!renderer) { | ||
| renderer = new WebGLRenderer({ canvas }) | ||
| } | ||
| const scene = new Scene() | ||
| const camera = new OrthographicCamera(-1, 1, 1, -1, 0.1, 10) | ||
| camera.position.z = 1 | ||
|
|
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| const vertexShader = ` | ||
| varying vec2 vUv; | ||
| void main() { | ||
| vUv = uv; | ||
| gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0); | ||
| } | ||
| ` | ||
|
|
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| const fragmentShader = ` | ||
| ${probes.map((probe, index) => `uniform sampler2D envMap${index};`).join('\n')} | ||
| ${probes.map((probe, index) => `uniform mat4 envMapTransform${index};`).join('\n')} | ||
| uniform mat4 targetTransform; | ||
| varying vec2 vUv; | ||
| //uniform vec3 targetPosition; | ||
| float EPSILON = 0.0; | ||
| void main() { | ||
| vec3 targetPosition = targetTransform[3].xyz; // Extract position component from targetMatrix | ||
| vec3 color = vec3(0.0); | ||
| float totalWeight = 0.0; | ||
| float currentDistance = 0.0; | ||
| float weight = 0.0; | ||
| ${probes | ||
| .map( | ||
| (probe, index) => ` | ||
| vec3 envMapPosition${index} = envMapTransform${index}[3].xyz; // Extract position component from envMapTransforms | ||
| currentDistance = length(targetPosition - envMapPosition${index}) + EPSILON; | ||
| weight = 1.0 / currentDistance; | ||
| totalWeight += weight; | ||
| color += texture2D(envMap${index}, vUv).rgb * weight; | ||
| ` | ||
| ) | ||
| .join('\n')} | ||
| color /= totalWeight; // Normalize the accumulated color by the total weight | ||
| gl_FragColor = vec4(color, 1.0); | ||
| } | ||
| ` | ||
|
|
||
| const uniforms = { | ||
| targetTransform: { value: getComponent(entity, TransformComponent).matrixWorld } | ||
| } as Record<string, any> | ||
|
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| let index = 0 | ||
| for (let i = 0; i < probes.length; i++) { | ||
| const probeComponent = getComponent(probes[i], ReflectionProbeComponent) | ||
| const transformComponent = getComponent(probes[i], TransformComponent) | ||
| if (!probeComponent.texture) continue | ||
| uniforms[`envMap${index}`] = new Uniform(probeComponent.texture) | ||
| uniforms[`envMapTransform${index}`] = { value: transformComponent.matrixWorld } | ||
| index++ | ||
| } | ||
|
|
||
| const material = new ShaderMaterial({ | ||
| vertexShader, | ||
| fragmentShader, | ||
| uniforms | ||
| }) | ||
|
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| const quad = new Mesh(new PlaneGeometry(2, 2), material) | ||
| scene.add(quad) | ||
|
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| renderer.setSize(256, 256) | ||
| renderer.render(scene, camera) | ||
| const dupeCanvas = document.createElementNS('http://www.w3.org/1999/xhtml', 'canvas') as HTMLCanvasElement | ||
| dupeCanvas.width = 256 | ||
| dupeCanvas.height = 256 | ||
| const ctx = dupeCanvas.getContext('2d') | ||
| if (ctx) { | ||
| ctx.drawImage(canvas, 0, 0) | ||
| } | ||
| const [result, unload] = createDisposable( | ||
| CanvasTexture, | ||
| entity, | ||
| dupeCanvas, | ||
| EquirectangularReflectionMapping, | ||
| RepeatWrapping, | ||
| RepeatWrapping, | ||
| LinearFilter, | ||
| LinearFilter | ||
| ) | ||
| result.colorSpace = SRGBColorSpace | ||
| result.needsUpdate = true | ||
|
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| // const testMat = new MeshBasicMaterial({ map: result }) | ||
| // const testQuad = new Mesh(new PlaneGeometry(1, 1), testMat) | ||
|
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| // const testEntity = createEntity() | ||
| // setComponent(testEntity, EntityTreeComponent, { | ||
| // parentEntity: getComponent(getState(EngineState).viewerEntity, SceneComponent).children[0] | ||
| // }) | ||
| // setComponent(testEntity, TransformComponent, { position: new Vector3(0, randFloat(5, 15), 0) }) | ||
|
|
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| // setComponent(testEntity, MeshComponent, testQuad) | ||
| // addObjectToGroup(testEntity, testQuad) | ||
| // proxifyParentChildRelationships(testQuad) | ||
| // setComponent(testEntity, NameComponent, 'Test Entity') | ||
| // setComponent(testEntity, VisibleComponent, true) | ||
| // setComponent(entity, UpdatableComponent) | ||
| // setCallback(entity, UpdatableCallback, () => { | ||
| // renderer.clear() | ||
| // renderer.render(scene, camera) | ||
| // result.needsUpdate = true | ||
| // }) | ||
| result.name = `ReflectionProbeTexture__${textureIndex++}` | ||
| const fullUnload = () => { | ||
| unload() | ||
| scene.clear() | ||
| quad.geometry.dispose() | ||
| dupeCanvas.remove() | ||
| } | ||
| return [result, fullUnload] | ||
| } |
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