mirror of
https://gitee.com/ruanwujing/green-pack-cocos
synced 2025-10-09 08:36:33 +00:00
颜色值传参实现无视uv合批变化的sdf圆形裁切
This commit is contained in:
ruanwujing
173
assets/scripts/components/ColorSDFAssembler.ts
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173
assets/scripts/components/ColorSDFAssembler.ts
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import { Color, IAssembler, IRenderData, RenderData, dynamicAtlasManager } from "cc";
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import { GPSpriteSDF } from "./GPSpriteSDF";
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const QUAD_INDICES = Uint16Array.from([0, 1, 2, 1, 3, 2]);
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export const ColorSDFAssembler: IAssembler = {
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createData (sprite: GPSpriteSDF) {
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const renderData = sprite.requestRenderData();
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renderData.dataLength = 4;
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renderData.resize(4, 6);
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renderData.chunk.setIndexBuffer(QUAD_INDICES);
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return renderData;
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},
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updateRenderData (sprite: GPSpriteSDF) {
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const frame = sprite.spriteFrame;
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dynamicAtlasManager.packToDynamicAtlas(sprite, frame);
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this.updateUVs(sprite);// dirty need
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//this.updateColor(sprite);// dirty need
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const renderData = sprite.renderData;
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if (renderData && frame) {
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if (renderData.vertDirty) {
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this.updateVertexData(sprite);
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}
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renderData.updateRenderData(sprite, frame);
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}
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},
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updateWorldVerts (sprite: GPSpriteSDF, chunk: { vb: any; }) {
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const renderData = sprite.renderData!;
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const vData = chunk.vb;
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const dataList: IRenderData[] = renderData.data;
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const node = sprite.node;
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const m = node.worldMatrix;
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const stride = renderData.floatStride;
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let offset = 0;
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const length = dataList.length;
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for (let i = 0; i < length; i++) {
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const curData = dataList[i];
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const x = curData.x;
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const y = curData.y;
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let rhw = m.m03 * x + m.m07 * y + m.m15;
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rhw = rhw ? 1 / rhw : 1;
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offset = i * stride;
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vData[offset + 0] = (m.m00 * x + m.m04 * y + m.m12) * rhw;
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vData[offset + 1] = (m.m01 * x + m.m05 * y + m.m13) * rhw;
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vData[offset + 2] = (m.m02 * x + m.m06 * y + m.m14) * rhw;
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}
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},
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fillBuffers (sprite: GPSpriteSDF) {
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if (sprite === null) {
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return;
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}
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const renderData = sprite.renderData!;
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const chunk = renderData.chunk;
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if (sprite["_flagChangedVersion"] !== sprite.node["_flagChangedVersion"] || renderData.vertDirty) {
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// const vb = chunk.vertexAccessor.getVertexBuffer(chunk.bufferId);
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this.updateWorldVerts(sprite, chunk);
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renderData.vertDirty = false;
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sprite["_flagChangedVersion"] = sprite.node["_flagChangedVersion"];
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}
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// quick version
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const vidOrigin = chunk.vertexOffset;
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const meshBuffer = chunk.meshBuffer;
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const ib = chunk.meshBuffer.iData;
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let indexOffset = meshBuffer.indexOffset;
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const vid = vidOrigin;
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// left bottom
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ib[indexOffset++] = vid;
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// right bottom
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ib[indexOffset++] = vid + 1;
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// left top
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ib[indexOffset++] = vid + 2;
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// right bottom
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ib[indexOffset++] = vid + 1;
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// right top
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ib[indexOffset++] = vid + 3;
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// left top
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ib[indexOffset++] = vid + 2;
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// IndexOffset should add 6 when vertices of a rect are visited.
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meshBuffer.indexOffset += 6;
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// slow version
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// renderer.switchBufferAccessor().appendIndices(chunk);
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},
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updateVertexData (sprite: GPSpriteSDF) {
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const renderData: RenderData | null = sprite.renderData;
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if (!renderData) {
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return;
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}
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const uiTrans = sprite.node._uiProps.uiTransformComp!;
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const dataList: IRenderData[] = renderData.data;
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const cw = uiTrans.width;
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const ch = uiTrans.height;
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const appX = uiTrans.anchorX * cw;
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const appY = uiTrans.anchorY * ch;
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let l = 0;
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let b = 0;
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let r = 0;
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let t = 0;
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const frame = sprite.spriteFrame!;
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const originSize = frame.originalSize;
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const ow = originSize.width;
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const oh = originSize.height;
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const scaleX = cw / ow;
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const scaleY = ch / oh;
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const trimmedBorder = frame.trimmedBorder;
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l = trimmedBorder.x * scaleX - appX;
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b = trimmedBorder.z * scaleY - appY;
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r = cw + trimmedBorder.y * scaleX - appX;
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t = ch + trimmedBorder.w * scaleY - appY;
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dataList[0].x = l;
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dataList[0].y = b;
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dataList[1].x = r;
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dataList[1].y = b;
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dataList[2].x = l;
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dataList[2].y = t;
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dataList[3].x = r;
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dataList[3].y = t;
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renderData.vertDirty = true;
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},
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updateUVs (sprite: GPSpriteSDF) {
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if (!sprite.spriteFrame) return;
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const renderData = sprite.renderData!;
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const vData = renderData.chunk.vb;
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const uv = sprite.spriteFrame.uv;
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vData[3] = uv[0];
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vData[4] = uv[1];
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vData[12] = uv[2];
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vData[13] = uv[3];
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vData[21] = uv[4];
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vData[22] = uv[5];
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vData[30] = uv[6];
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vData[31] = uv[7];
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ColorSDFAssembler.updateColor(sprite);
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},
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updateColor (sprite: GPSpriteSDF) {
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const renderData = sprite.renderData!;
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const vData = renderData.chunk.vb;
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const uv = sprite.spriteFrame.uv;
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let colorOffset = 5;
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sprite.color = new Color(uv[4] * 255, uv[5] * 255, (uv[2] - uv[4]) * 255, (uv[3] - uv[5]) * 255);
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for (let i = 0; i < 4; i++, colorOffset += renderData.floatStride) {
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vData[colorOffset] = uv[4];
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vData[colorOffset + 1] = uv[5];
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vData[colorOffset + 2] = uv[2] - uv[4];
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vData[colorOffset + 3] = uv[3] - uv[5];
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}
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},
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};
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9
assets/scripts/components/ColorSDFAssembler.ts.meta
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9
assets/scripts/components/ColorSDFAssembler.ts.meta
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@@ -0,0 +1,9 @@
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{
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"ver": "4.0.23",
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"importer": "typescript",
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"imported": true,
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"uuid": "734f46af-342f-4e45-9f43-f79a31c566e2",
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"files": [],
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"subMetas": {},
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"userData": {}
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}
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273
assets/scripts/components/ColorSDFSprite.ts
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273
assets/scripts/components/ColorSDFSprite.ts
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@@ -0,0 +1,273 @@
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import { _decorator, cclegacy, Component, InstanceMaterialType, Material, Node, NodeEventType, RenderTexture, Sprite, SpriteAtlas, SpriteFrame, UIRenderer } from 'cc';
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import { BUILD, EDITOR } from 'cc/env';
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import { ColorSDFAssembler } from './ColorSDFAssembler';
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const { ccclass, property ,type} = _decorator;
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enum EventType {
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SPRITE_FRAME_CHANGED = 'spriteframe-changed',
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}
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@ccclass('ColorSDFSprite')
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export class ColorSDFSprite extends UIRenderer {
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// 尺寸模式，可以看枚举原本定义的地方有注释说明
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@property({serializable:true})
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protected _sizeMode = Sprite.SizeMode.TRIMMED;
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@type(Sprite.SizeMode)
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get sizeMode () {
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return this._sizeMode;
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}
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set sizeMode (value) {
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if (this._sizeMode === value) {
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return;
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}
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this._sizeMode = value;
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if (value !== Sprite.SizeMode.CUSTOM) {
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this._applySpriteSize();
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}
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}
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// 图集
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@property({serializable:true})
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protected _atlas: SpriteAtlas | null = null;
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@type(SpriteAtlas)
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get spriteAtlas () {
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return this._atlas;
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}
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set spriteAtlas (value) {
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if (this._atlas === value) {
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return;
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}
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this._atlas = value;
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}
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@property({serializable:true})
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protected _spriteFrame: SpriteFrame | null = null;
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@type(SpriteFrame)
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get spriteFrame () {
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return this._spriteFrame;
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}
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set spriteFrame (value) {
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if (this._spriteFrame === value) {
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return;
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}
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const lastSprite = this._spriteFrame;
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this._spriteFrame = value;
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this.markForUpdateRenderData();
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this._applySpriteFrame(lastSprite);
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if (EDITOR) {
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this.node.emit(EventType.SPRITE_FRAME_CHANGED, this);
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}
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}
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onLoad(): void {
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this._flushAssembler();
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}
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public __preload () {
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this.changeMaterialForDefine();
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super.__preload();
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if (EDITOR) {
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this._resized();
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this.node.on(NodeEventType.SIZE_CHANGED, this._resized, this);
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}
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}
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public onEnable () {
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super.onEnable();
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// Force update uv, material define, active material, etc
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this._activateMaterial();
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const spriteFrame = this._spriteFrame;
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if (spriteFrame) {
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this._updateUVs();
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}
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}
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public onDestroy () {
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if (EDITOR) {
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this.node.off(NodeEventType.SIZE_CHANGED, this._resized, this);
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}
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super.onDestroy();
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}
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/**
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* @en
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* Quickly switch to other sprite frame in the sprite atlas.
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* If there is no atlas, the switch fails.
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*
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* @zh
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* 选取使用精灵图集中的其他精灵。
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* @param name @en Name of the spriteFrame to switch. @zh 要切换的 spriteFrame 名字。
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*/
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public changeSpriteFrameFromAtlas (name: string) {
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if (!this._atlas) {
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console.warn('SpriteAtlas is null.');
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return;
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}
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const sprite = this._atlas.getSpriteFrame(name);
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this.spriteFrame = sprite;
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}
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/**
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* @deprecated Since v3.7.0, this is an engine private interface that will be removed in the future.
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*/
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public changeMaterialForDefine () {
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let texture;
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const lastInstanceMaterialType = this._instanceMaterialType;
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if (this._spriteFrame) {
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texture = this._spriteFrame.texture;
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}
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let value = false;
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if (texture instanceof cclegacy.TextureBase) {
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const format = texture.getPixelFormat();
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value = (format === cclegacy.TextureBase.PixelFormat.RGBA_ETC1 || format === cclegacy.TextureBase.PixelFormat.RGB_A_PVRTC_4BPPV1 || format === cclegacy.TextureBase.PixelFormat.RGB_A_PVRTC_2BPPV1);
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}
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if (value) {
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this._instanceMaterialType = InstanceMaterialType.USE_ALPHA_SEPARATED;
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} else {
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this._instanceMaterialType = InstanceMaterialType.ADD_COLOR_AND_TEXTURE;
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}
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if (lastInstanceMaterialType !== this._instanceMaterialType) {
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// this.updateMaterial();
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// d.ts里没有注上这个函数，直接调用会表红。
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this["updateMaterial"]();
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}
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}
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protected _updateBuiltinMaterial () {
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let mat = super._updateBuiltinMaterial();
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if (this.spriteFrame && this.spriteFrame.texture instanceof RenderTexture) {
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const defines = { SAMPLE_FROM_RT: true, ...mat.passes[0].defines };
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const renderMat = new Material();
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renderMat.initialize({
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effectAsset: mat.effectAsset,
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defines,
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});
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mat = renderMat;
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}
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return mat;
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}
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protected _render (render) {
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render.commitComp(this, this.renderData, this._spriteFrame, this._assembler, null);
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}
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protected _canRender () {
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if (!super._canRender()) {
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return false;
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}
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const spriteFrame = this._spriteFrame;
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if (!spriteFrame || !spriteFrame.texture) {
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return false;
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}
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return true;
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}
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protected resetAssembler() {
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this._assembler = null;
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this._flushAssembler();
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}
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protected _flushAssembler () {
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const assembler = ColorSDFAssembler;
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if (this._assembler !== assembler) {
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this.destroyRenderData();
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this._assembler = assembler;
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}
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if (!this._renderData) {
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if (this._assembler && this._assembler.createData) {
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this._renderData = this._assembler.createData(this);
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this._renderData!.material = this.getRenderMaterial(0);
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this.markForUpdateRenderData();
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if (this.spriteFrame) {
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this._assembler.updateRenderData(this);
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}
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this._updateColor();
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}
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}
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}
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private _applySpriteSize () {
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if (this._spriteFrame) {
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if (BUILD || !this._spriteFrame.isDefault) {
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if (Sprite.SizeMode.RAW === this._sizeMode) {
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const size = this._spriteFrame.originalSize;
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this.node._uiProps.uiTransformComp!.setContentSize(size);
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} else if (Sprite.SizeMode.TRIMMED === this._sizeMode) {
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const rect = this._spriteFrame.rect;
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this.node._uiProps.uiTransformComp!.setContentSize(rect.width, rect.height);
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}
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}
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this.markForUpdateRenderData(true)
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this._assembler.updateRenderData(this);
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}
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}
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private _resized () {
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if (!EDITOR) {
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return;
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}
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if (this._spriteFrame) {
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const actualSize = this.node._uiProps.uiTransformComp!.contentSize;
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let expectedW = actualSize.width;
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let expectedH = actualSize.height;
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if (this._sizeMode === Sprite.SizeMode.RAW) {
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const size = this._spriteFrame.originalSize;
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expectedW = size.width;
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expectedH = size.height;
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} else if (this._sizeMode === Sprite.SizeMode.TRIMMED) {
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const rect = this._spriteFrame.rect;
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expectedW = rect.width;
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expectedH = rect.height;
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}
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if (expectedW !== actualSize.width || expectedH !== actualSize.height) {
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this._sizeMode = Sprite.SizeMode.CUSTOM;
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}
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}
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}
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private _activateMaterial () {
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const spriteFrame = this._spriteFrame;
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const material = this.getRenderMaterial(0);
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if (spriteFrame) {
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if (material) {
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this.markForUpdateRenderData();
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}
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}
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if (this.renderData) {
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this.renderData.material = material;
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}
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}
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private _updateUVs () {
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if (this._assembler) {
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this._assembler.updateUVs(this);
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}
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}
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private _applySpriteFrame (oldFrame: SpriteFrame | null) {
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const spriteFrame = this._spriteFrame;
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let textureChanged = false;
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if (spriteFrame) {
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if (!oldFrame || oldFrame.texture !== spriteFrame.texture) {
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textureChanged = true;
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}
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if (textureChanged) {
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if (this.renderData) this.renderData.textureDirty = true;
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this.changeMaterialForDefine();
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}
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this._applySpriteSize();
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}
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}
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}
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9
assets/scripts/components/ColorSDFSprite.ts.meta
Normal file
9
assets/scripts/components/ColorSDFSprite.ts.meta
Normal file
@@ -0,0 +1,9 @@
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{
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"ver": "4.0.23",
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"importer": "typescript",
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"imported": true,
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"uuid": "6845dfbf-3532-43ac-ac91-2813b6983882",
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"files": [],
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"subMetas": {},
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"userData": {}
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}
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