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'./VerticesRenderer'; import System from '../systems/System'; import { vec2, vec4 } from '../utils'; const cachedTemp1 = vec2.create(); const cachedTemp2 = vec2.create(); const cachedTemp3 = vec2.create(); export default class UiSprite extends VerticesRenderer { static factory() { return new UiSprite(); } static get propsTypes() { return { visible: VerticesRenderer.propsTypes.visible, shader: VerticesRenderer.propsTypes.shader, overrideUniforms: VerticesRenderer.propsTypes.overrideUniforms, overrideSamplers: VerticesRenderer.propsTypes.overrideSamplers, layers: VerticesRenderer.propsTypes.layers, overrideBaseTexture: 'string_null', overrideBaseFiltering: 'enum(nearest, linear)', camera: 'string_null', width: 'number', height: 'number', widthAnchor: 'number', heightAnchor: 'number', xOrigin: 'number', yOrigin: 'number', topOffset: 'number', bottomOffset: 'number', leftOffset: 'number', rightOffset: 'number', leftOffset: 'number', topBorder: 'number', bottomBorder: 'number', leftBorder: 'number', rightBorder: 'number', atlas: 'asset(atlas?:.*$)', color: 'rgba' }; } get overrideBaseTexture() { const { overrideSamplers } = this; const sampler = overrideSamplers.sBase; return !!sampler ? sampler.texture : null; } set overrideBaseTexture(value) { const { overrideSamplers } = this; if (!value) { delete overrideSamplers.sBase; this.overrideSamplers = overrideSamplers; return; } if (typeof value !== 'string') { throw new Error('`value` is not type of String!'); } const sampler = overrideSamplers['sBase']; if (!sampler) { overrideSamplers.sBase = { texture: value, filtering: 'linear' }; } else { sampler.texture = value; } this.overrideSamplers = overrideSamplers; this._atlas = null; this._frame = null; } get overrideBaseFiltering() { const { overrideSamplers } = this; const sampler = overrideSamplers.get('sBase'); return !!sampler ? sampler.filtering : null; } set overrideBaseFiltering(value) { const { overrideSamplers } = this; if (typeof value !== 'string') { throw new Error('`value` is not type of String!'); } const sampler = overrideSamplers.sBase; if (!sampler) { overrideSamplers.sBase = { texture: '', filtering: value }; } else { sampler.filtering = value; } this.overrideSamplers = overrideSamplers; } get camera() { return this._camera; } set camera(value) { if (!value) { this._camera = null; this._cameraEntity = null; this._cameraComponent = null; return; } if (typeof value !== 'string') { throw new Error('`value` is not type of String!'); } const { entity } = this; this._camera = value; if (!!entity) { this._cameraEntity = entity.findEntity(value); if (!this._cameraEntity) { throw new Error(`Cannot find entity: ${value}`); } this._cameraComponent = this._cameraEntity.getComponent('Camera2D'); if (!this._cameraComponent) { throw new Error( `Entity doe not have Camera2D component: ${this._cameraEntity.path}` ); } } this.recalculateSize(); } get width() { return this._width; } set width(value) { if (typeof value !== 'number') { throw new Error('`value` is not type of Number!'); } this._width = value; this.recalculateSize(); } get height() { return this._height; } set height(value) { if (typeof value !== 'number') { throw new Error('`value` is not type of Number!'); } this._height = value; this.recalculateSize(); } get widthAnchor() { return this._widthAnchor; } set widthAnchor(value) { if (typeof value !== 'number') { throw new Error('`value` is not type of Number!'); } this._widthAnchor = value; this.recalculateSize(); } get heightAnchor() { return this._heightAnchor; } set heightAnchor(value) { if (typeof value !== 'number') { throw new Error('`value` is not type of Number!'); } this._heightAnchor = value; this.recalculateSize(); } get xOrigin() { return this._xOrigin; } set xOrigin(value) { if (typeof value !== 'number') { throw new Error('`value` is not type of Number!'); } this._xOrigin = value; this.recalculateSize(); } get yOrigin() { return this._yOrigin; } set yOrigin(value) { if (typeof value !== 'number') { throw new Error('`value` is not type of Number!'); } this._yOrigin = value; this.recalculateSize(); } get topOffset() { return this._topOffset; } set topOffset(value) { if (typeof value !== 'number') { throw new Error('`value` is not type of Number!'); } this._topOffset = value; this._rebuild = true; } get bottomOffset() { return this._bottomOffset; } set bottomOffset(value) { if (typeof value !== 'number') { throw new Error('`value` is not type of Number!'); } this._bottomOffset = value; this._rebuild = true; } get leftOffset() { return this._leftOffset; } set leftOffset(value) { if (typeof value !== 'number') { throw new Error('`value` is not type of Number!'); } this._leftOffset = value; this._rebuild = true; } get rightOffset() { return this._rightOffset; } set rightOffset(value) { if (typeof value !== 'number') { throw new Error('`value` is not type of Number!'); } this._rightOffset = value; this._rebuild = true; } get topBorder() { return this._topBorder; } set topBorder(value) { if (typeof value !== 'number') { throw new Error('`value` is not type of Number!'); } this._topBorder = Math.max(value, 0); this._rebuild = true; } get bottomBorder() { return this._bottomBorder; } set bottomBorder(value) { if (typeof value !== 'number') { throw new Error('`value` is not type of Number!'); } this._bottomBorder = Math.max(value, 0); this._rebuild = true; } get leftBorder() { return this._leftBorder; } set leftBorder(value) { if (typeof value !== 'number') { throw new Error('`value` is not type of Number!'); } this._leftBorder = Math.max(value, 0); this._rebuild = true; } get rightBorder() { return this._rightBorder; } set rightBorder(value) { if (typeof value !== 'number') { throw new Error('`value` is not type of Number!'); } this._rightBorder = Math.max(value, 0); this._rebuild = true; } get atlas() { return this._atlas; } set atlas(value) { if (!value || value === '') { this._atlas = value; this.overrideBaseTexture = ''; return; } if (typeof value !== 'string') { throw new Error('`value` is not type of String!'); } const found = value.indexOf(':'); if (found < 0) { throw new Error('`value` does not conform rule of "atlas:frame" naming!'); } const original = value; const frame = value.substr(found + 1); value = value.substr(0, found); const assets = System.get('AssetSystem'); if (!assets) { throw new Error('There is no registered AssetSystem!'); } const atlas = assets.get(`atlas://${value}`); if (!atlas) { throw new Error(`There is no atlas asset loaded: ${value}`); } const { meta, frames } = atlas.data.descriptor; if (!meta || !frames) { throw new Error(`There is either no metadata or frames in atlas: ${value}`); } const info = frames[frame]; if (!info || !info.frame) { throw new Error(`There is no frame information in atlas: ${value} (${frame})`); } this.overrideBaseTexture = meta.image; this._atlas = original; this._frame = info.frame; this._rebuild = true; } get color() { return this._color; } set color(value) { if (typeof value === 'string') { value = stringToRGBA(value); } if (!(value instanceof Array) && !(value instanceof Float32Array)) { throw new Error('`value` is not type of either Array or Float32Array!'); } if (value.length < 4) { throw new Error('`value` array must have at least 4 items!'); } vec4.copy(this._color, value); const { overrideUniforms } = this; overrideUniforms.uColor = this._color; this.overrideUniforms = overrideUniforms; } get cachedWidth() { return this._cachedWidth; } get cachedHeight() { return this._cachedHeight; } constructor() { super(); this._camera = null; this._cameraEntity = null; this._cameraComponent = null; this._width = 0; this._height = 0; this._widthAnchor = 1; this._heightAnchor = 1; this._xOrigin = 0; this._yOrigin = 0; this._topOffset = 0; this._bottomOffset = 0; this._leftOffset = 0; this._rightOffset = 0; this._topBorder = 0; this._bottomBorder = 0; this._leftBorder = 0; this._rightBorder = 0; this._atlas = null; this._color = vec4.fromValues(1, 1, 1, 1); this._frame = null; this._cachedWidth = 0; this._cachedHeight = 0; this._rebuild = true; } dispose() { super.dispose(); this._camera = null; this._cameraEntity = null; this._cameraComponent = null; this._atlas = null; this._frame = null; } recalculateSize() { this._cachedWidth = 0; this._cachedHeight = 0; const { entity, _width, _height, _widthAnchor, _heightAnchor } = this; if (!entity) { return; } const { parent } = entity; if (!parent) { return; } const sprite = parent.getComponent('UiSprite'); let pw = 0; let ph = 0; if (!!sprite) { pw = sprite.cachedWidth; ph = sprite.cachedHeight; } else { const { _cameraComponent } = this; if (!!_cameraComponent) { vec2.set(cachedTemp1, -1, -1); vec2.transformMat4( cachedTemp2, cachedTemp1, _cameraComponent.inverseProjectionMatrix ); vec2.set(cachedTemp1, 1, 1); vec2.transformMat4( cachedTemp3, cachedTemp1, _cameraComponent.inverseProjectionMatrix ); pw = Math.abs(cachedTemp3[0] - cachedTemp2[0]); ph = Math.abs(cachedTemp3[1] - cachedTemp2[1]); } } this._cachedWidth = (_width < 0 ? pw : _width) * _widthAnchor; this._cachedHeight = (_height < 0 ? ph : _height) * _heightAnchor; this._rebuild = true; } ensureVertices(renderer) { if (!this._rebuild) { return; } const meta = renderer.getTextureMeta(this.overrideBaseTexture) || { width: 1, height: 1 }; const { _cachedWidth, _cachedHeight, _xOrigin, _yOrigin, _topOffset, _bottomOffset, _leftOffset, _rightOffset, _topBorder, _bottomBorder, _leftBorder, _rightBorder, _frame } = this; const ox = _cachedWidth * _xOrigin; const oy = _cachedHeight * _yOrigin; const p0c = _leftOffset - ox; const p1c = p0c + _leftBorder; const p3c = p0c + _cachedWidth - _rightOffset - _leftOffset; const p2c = p3c - _rightBorder; const p0r = _topOffset - oy; const p1r = p0r + _topBorder; const p3r = p0r + _cachedHeight - _bottomOffset - _topOffset; const p2r = p3r - _bottomBorder; if (!_frame) { const t0c = 0; const t1c = _leftBorder / meta.width; const t2c = 1 - _rightBorder / meta.width; const t3c = 1; const t0r = 0; const t1r = _topBorder / meta.width; const t2r = 1 - _bottomBorder / meta.width; const t3r = 1; this.vertices = [ p0c, p0r, t0c, t0r, p1c, p0r, t1c, t0r, p2c, p0r, t2c, t0r, p3c, p0r, t3c, t0r, p0c, p1r, t0c, t1r, p1c, p1r, t1c, t1r, p2c, p1r, t2c, t1r, p3c, p1r, t3c, t1r, p0c, p2r, t0c, t2r, p1c, p2r, t1c, t2r, p2c, p2r, t2c, t2r, p3c, p2r, t3c, t2r, p0c, p3r, t0c, t3r, p1c, p3r, t1c, t3r, p2c, p3r, t2c, t3r, p3c, p3r, t3c, t3r ]; } else { const { x, y, w, h } = _frame; const t0c = x / meta.width; const t1c = t0c + _leftBorder / meta.width; const t3c = (x + w) / meta.width; const t2c = t3c - _rightBorder / meta.width; const t0r = y / meta.height; const t1r = t0r + _topBorder / meta.height; const t3r = (y + h) / meta.height; const t2r = t3r - _bottomBorder / meta.height; this.vertices = [ p0c, p0r, t0c, t0r, p1c, p0r, t1c, t0r, p2c, p0r, t2c, t0r, p3c, p0r, t3c, t0r, p0c, p1r, t0c, t1r, p1c, p1r, t1c, t1r, p2c, p1r, t2c, t1r, p3c, p1r, t3c, t1r, p0c, p2r, t0c, t2r, p1c, p2r, t1c, t2r, p2c, p2r, t2c, t2r, p3c, p2r, t3c, t2r, p0c, p3r, t0c, t3r, p1c, p3r, t1c, t3r, p2c, p3r, t2c, t3r, p3c, p3r, t3c, t3r ]; } this.indices = [ 0, 1, 5, 5, 4, 0, 1, 2, 6, 6, 5, 1, 2, 3, 7, 7, 6, 2, 4, 5, 9, 9, 8, 4, 5, 6,10,10, 9, 5, 6, 7,11,11,10, 6, 8, 9,13,13,12, 8, 9,10,14,14,13, 9, 10,11,15,15,14,10 ]; this._rebuild = false; // 0, 1, 2, 3, // 4, 5, 6, 7, // 8, 9,10,11, //12,13,14,15 } onAttach() { super.onAttach(); const { overrideUniforms } = this; overrideUniforms.uColor = this._color; this.overrideUniforms = overrideUniforms; this.camera = this.camera; } onAction(name, ...args) { if (name === 'camera-changed') { return this.onCameraChanged(...args); } else { return super.onAction(name, ...args); } } onPropertySerialize(name, value) { if (name === 'overrideSamplers') { const result = super.onPropertySerialize(name, value); if (!result) { return null; } delete result.sBase; return Object.keys(result).length > 0 ? result : null; } else { return super.onPropertySerialize(name, value); } } onRender(gl, renderer, deltaTime, layer) { this.ensureVertices(renderer); super.onRender(gl, renderer, deltaTime, layer); } onCameraChanged(camera) { if (camera === this._cameraComponent && (this._width < 0 || this._height < 0) ) { this.recalculateSize(); } } } </code></pre> </div> <footer class="footer"> Generated by <a href="https://esdoc.org">ESDoc(1.1.0)<img src="./image/esdoc-logo-mini-black.png"></a> </footer> <script src="script/search_index.js"></script> <script src="script/search.js"></script> <script src="script/pretty-print.js"></script> <script src="script/inherited-summary.js"></script> <script src="script/test-summary.js"></script> <script src="script/inner-link.js"></script> <script src="script/patch-for-local.js"></script> </body> </html>