93 lines
2.7 KiB
JavaScript
93 lines
2.7 KiB
JavaScript
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let cachedOpenDataContext;
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let cachedSharedCanvas;
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function getOpenDataContext() {
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return cachedOpenDataContext || wx.getOpenDataContext();
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}
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function getSharedCanvas() {
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return cachedSharedCanvas || getOpenDataContext().canvas;
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}
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let timerId;
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let textureObject = null;
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let textureId;
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function hookUnityRender() {
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if (!textureId) {
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return;
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}
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const { GL } = GameGlobal.manager.gameInstance.Module;
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const gl = GL.currentContext.GLctx;
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if (!textureObject) {
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textureObject = gl.createTexture();
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gl.bindTexture(gl.TEXTURE_2D, textureObject);
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gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, getSharedCanvas());
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
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}
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else {
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gl.bindTexture(gl.TEXTURE_2D, textureObject);
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gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, getSharedCanvas());
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}
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GL.textures[textureId] = textureObject;
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timerId = requestAnimationFrame(hookUnityRender);
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}
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function stopLastRenderLoop() {
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if (typeof timerId !== 'undefined') {
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cancelAnimationFrame(timerId);
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}
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}
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function startHookUnityRender() {
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stopLastRenderLoop();
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hookUnityRender();
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}
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function stopHookUnityRender() {
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stopLastRenderLoop();
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const sharedCanvas = getSharedCanvas();
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sharedCanvas.width = 1;
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sharedCanvas.height = 1;
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const { GL } = GameGlobal.manager.gameInstance.Module;
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const gl = GL.currentContext.GLctx;
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gl.deleteTexture(textureObject);
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textureObject = null;
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}
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export default {
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WXDataContextPostMessage(msg) {
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getOpenDataContext().postMessage(msg);
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},
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WXShowOpenData(id, x, y, width, height) {
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if (width <= 0 || height <= 0) {
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console.error('[unity-sdk]: WXShowOpenData要求 width 和 height 参数必须大于0');
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}
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const openDataContext = getOpenDataContext();
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const sharedCanvas = openDataContext.canvas;
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sharedCanvas.width = width;
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sharedCanvas.height = height;
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openDataContext.postMessage({
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type: 'WXRender',
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x,
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y,
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width,
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height,
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devicePixelRatio: window.devicePixelRatio,
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});
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textureId = id;
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startHookUnityRender();
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},
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WXHideOpenData() {
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getOpenDataContext().postMessage({
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type: 'WXDestroy',
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});
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stopHookUnityRender();
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},
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};
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