mirror of
https://github.com/godotengine/godot.git
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671 lines
23 KiB
JavaScript
671 lines
23 KiB
JavaScript
/**************************************************************************/
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/* library_godot_webxr.js */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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const GodotWebXR = {
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$GodotWebXR__deps: ['$Browser', '$GL', '$GodotRuntime', '$runtimeKeepalivePush', '$runtimeKeepalivePop'],
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$GodotWebXR: {
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gl: null,
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session: null,
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gl_binding: null,
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layer: null,
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space: null,
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frame: null,
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pose: null,
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view_count: 1,
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input_sources: new Array(16),
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touches: new Array(5),
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onsimpleevent: null,
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// Monkey-patch the requestAnimationFrame() used by Emscripten for the main
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// loop, so that we can swap it out for XRSession.requestAnimationFrame()
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// when an XR session is started.
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orig_requestAnimationFrame: null,
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requestAnimationFrame: (callback) => {
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if (GodotWebXR.session && GodotWebXR.space) {
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const onFrame = function (time, frame) {
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GodotWebXR.frame = frame;
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GodotWebXR.pose = frame.getViewerPose(GodotWebXR.space);
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callback(time);
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GodotWebXR.frame = null;
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GodotWebXR.pose = null;
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};
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GodotWebXR.session.requestAnimationFrame(onFrame);
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} else {
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GodotWebXR.orig_requestAnimationFrame(callback);
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}
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},
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monkeyPatchRequestAnimationFrame: (enable) => {
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if (GodotWebXR.orig_requestAnimationFrame === null) {
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GodotWebXR.orig_requestAnimationFrame = Browser.requestAnimationFrame;
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}
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Browser.requestAnimationFrame = enable
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? GodotWebXR.requestAnimationFrame
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: GodotWebXR.orig_requestAnimationFrame;
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},
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pauseResumeMainLoop: () => {
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// Once both GodotWebXR.session and GodotWebXR.space are set or
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// unset, our monkey-patched requestAnimationFrame() should be
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// enabled or disabled. When using the WebXR API Emulator, this
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// gets picked up automatically, however, in the Oculus Browser
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// on the Quest, we need to pause and resume the main loop.
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Browser.mainLoop.pause();
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runtimeKeepalivePush();
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window.setTimeout(function () {
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runtimeKeepalivePop();
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Browser.mainLoop.resume();
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}, 0);
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},
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getLayer: () => {
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const new_view_count = (GodotWebXR.pose) ? GodotWebXR.pose.views.length : 1;
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let layer = GodotWebXR.layer;
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// If the view count hasn't changed since creating this layer, then
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// we can simply return it.
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if (layer && GodotWebXR.view_count === new_view_count) {
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return layer;
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}
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if (!GodotWebXR.session || !GodotWebXR.gl_binding) {
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return null;
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}
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const gl = GodotWebXR.gl;
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layer = GodotWebXR.gl_binding.createProjectionLayer({
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textureType: new_view_count > 1 ? 'texture-array' : 'texture',
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colorFormat: gl.RGBA8,
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depthFormat: gl.DEPTH_COMPONENT24,
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});
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GodotWebXR.session.updateRenderState({ layers: [layer] });
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GodotWebXR.layer = layer;
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GodotWebXR.view_count = new_view_count;
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return layer;
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},
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getSubImage: () => {
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if (!GodotWebXR.pose) {
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return null;
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}
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const layer = GodotWebXR.getLayer();
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if (layer === null) {
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return null;
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}
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// Because we always use "texture-array" for multiview and "texture"
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// when there is only 1 view, it should be safe to only grab the
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// subimage for the first view.
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return GodotWebXR.gl_binding.getViewSubImage(layer, GodotWebXR.pose.views[0]);
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},
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getTextureId: (texture) => {
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if (texture.name !== undefined) {
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return texture.name;
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}
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const id = GL.getNewId(GL.textures);
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texture.name = id;
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GL.textures[id] = texture;
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return id;
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},
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addInputSource: (input_source) => {
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let name = -1;
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if (input_source.targetRayMode === 'tracked-pointer' && input_source.handedness === 'left') {
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name = 0;
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} else if (input_source.targetRayMode === 'tracked-pointer' && input_source.handedness === 'right') {
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name = 1;
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} else {
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for (let i = 2; i < 16; i++) {
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if (!GodotWebXR.input_sources[i]) {
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name = i;
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break;
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}
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}
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}
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if (name >= 0) {
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GodotWebXR.input_sources[name] = input_source;
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input_source.name = name;
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// Find a free touch index for screen sources.
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if (input_source.targetRayMode === 'screen') {
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let touch_index = -1;
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for (let i = 0; i < 5; i++) {
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if (!GodotWebXR.touches[i]) {
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touch_index = i;
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break;
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}
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}
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if (touch_index >= 0) {
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GodotWebXR.touches[touch_index] = input_source;
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input_source.touch_index = touch_index;
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}
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}
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}
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return name;
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},
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removeInputSource: (input_source) => {
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if (input_source.name !== undefined) {
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const name = input_source.name;
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if (name >= 0 && name < 16) {
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GodotWebXR.input_sources[name] = null;
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}
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if (input_source.touch_index !== undefined) {
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const touch_index = input_source.touch_index;
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if (touch_index >= 0 && touch_index < 5) {
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GodotWebXR.touches[touch_index] = null;
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}
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}
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return name;
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}
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return -1;
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},
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getInputSourceId: (input_source) => {
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if (input_source !== undefined) {
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return input_source.name;
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}
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return -1;
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},
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getTouchIndex: (input_source) => {
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if (input_source.touch_index !== undefined) {
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return input_source.touch_index;
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}
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return -1;
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},
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},
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godot_webxr_is_supported__proxy: 'sync',
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godot_webxr_is_supported__sig: 'i',
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godot_webxr_is_supported: function () {
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return !!navigator.xr;
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},
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godot_webxr_is_session_supported__proxy: 'sync',
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godot_webxr_is_session_supported__sig: 'vii',
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godot_webxr_is_session_supported: function (p_session_mode, p_callback) {
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const session_mode = GodotRuntime.parseString(p_session_mode);
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const cb = GodotRuntime.get_func(p_callback);
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if (navigator.xr) {
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navigator.xr.isSessionSupported(session_mode).then(function (supported) {
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const c_str = GodotRuntime.allocString(session_mode);
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cb(c_str, supported ? 1 : 0);
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GodotRuntime.free(c_str);
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});
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} else {
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const c_str = GodotRuntime.allocString(session_mode);
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cb(c_str, 0);
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GodotRuntime.free(c_str);
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}
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},
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godot_webxr_initialize__deps: ['emscripten_webgl_get_current_context'],
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godot_webxr_initialize__proxy: 'sync',
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godot_webxr_initialize__sig: 'viiiiiiiii',
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godot_webxr_initialize: function (p_session_mode, p_required_features, p_optional_features, p_requested_reference_spaces, p_on_session_started, p_on_session_ended, p_on_session_failed, p_on_input_event, p_on_simple_event) {
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GodotWebXR.monkeyPatchRequestAnimationFrame(true);
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const session_mode = GodotRuntime.parseString(p_session_mode);
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const required_features = GodotRuntime.parseString(p_required_features).split(',').map((s) => s.trim()).filter((s) => s !== '');
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const optional_features = GodotRuntime.parseString(p_optional_features).split(',').map((s) => s.trim()).filter((s) => s !== '');
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const requested_reference_space_types = GodotRuntime.parseString(p_requested_reference_spaces).split(',').map((s) => s.trim());
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const onstarted = GodotRuntime.get_func(p_on_session_started);
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const onended = GodotRuntime.get_func(p_on_session_ended);
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const onfailed = GodotRuntime.get_func(p_on_session_failed);
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const oninputevent = GodotRuntime.get_func(p_on_input_event);
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const onsimpleevent = GodotRuntime.get_func(p_on_simple_event);
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const session_init = {};
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if (required_features.length > 0) {
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session_init['requiredFeatures'] = required_features;
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}
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if (optional_features.length > 0) {
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session_init['optionalFeatures'] = optional_features;
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}
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navigator.xr.requestSession(session_mode, session_init).then(function (session) {
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GodotWebXR.session = session;
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session.addEventListener('end', function (evt) {
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onended();
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});
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session.addEventListener('inputsourceschange', function (evt) {
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evt.added.forEach(GodotWebXR.addInputSource);
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evt.removed.forEach(GodotWebXR.removeInputSource);
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});
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['selectstart', 'selectend', 'squeezestart', 'squeezeend'].forEach((input_event, index) => {
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session.addEventListener(input_event, function (evt) {
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// Since this happens in-between normal frames, we need to
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// grab the frame from the event in order to get poses for
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// the input sources.
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GodotWebXR.frame = evt.frame;
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oninputevent(index, GodotWebXR.getInputSourceId(evt.inputSource));
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GodotWebXR.frame = null;
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});
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});
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session.addEventListener('visibilitychange', function (evt) {
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const c_str = GodotRuntime.allocString('visibility_state_changed');
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onsimpleevent(c_str);
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GodotRuntime.free(c_str);
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});
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// Store onsimpleevent so we can use it later.
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GodotWebXR.onsimpleevent = onsimpleevent;
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const gl_context_handle = _emscripten_webgl_get_current_context();
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const gl = GL.getContext(gl_context_handle).GLctx;
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GodotWebXR.gl = gl;
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gl.makeXRCompatible().then(function () {
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GodotWebXR.gl_binding = new XRWebGLBinding(session, gl);
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// This will trigger the layer to get created.
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GodotWebXR.getLayer();
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function onReferenceSpaceSuccess(reference_space, reference_space_type) {
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GodotWebXR.space = reference_space;
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// Using reference_space.addEventListener() crashes when
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// using the polyfill with the WebXR Emulator extension,
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// so we set the event property instead.
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reference_space.onreset = function (evt) {
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const c_str = GodotRuntime.allocString('reference_space_reset');
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onsimpleevent(c_str);
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GodotRuntime.free(c_str);
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};
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// Now that both GodotWebXR.session and GodotWebXR.space are
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// set, we need to pause and resume the main loop for the XR
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// main loop to kick in.
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GodotWebXR.pauseResumeMainLoop();
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// Call in setTimeout() so that errors in the onstarted()
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// callback don't bubble up here and cause Godot to try the
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// next reference space.
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window.setTimeout(function () {
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const reference_space_c_str = GodotRuntime.allocString(reference_space_type);
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const enabled_features = 'enabledFeatures' in session ? Array.from(session.enabledFeatures) : [];
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const enabled_features_c_str = GodotRuntime.allocString(enabled_features.join(','));
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const environment_blend_mode = 'environmentBlendMode' in session ? session.environmentBlendMode : '';
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const environment_blend_mode_c_str = GodotRuntime.allocString(environment_blend_mode);
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onstarted(reference_space_c_str, enabled_features_c_str, environment_blend_mode_c_str);
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GodotRuntime.free(reference_space_c_str);
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GodotRuntime.free(enabled_features_c_str);
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GodotRuntime.free(environment_blend_mode_c_str);
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}, 0);
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}
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function requestReferenceSpace() {
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const reference_space_type = requested_reference_space_types.shift();
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session.requestReferenceSpace(reference_space_type)
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.then((refSpace) => {
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onReferenceSpaceSuccess(refSpace, reference_space_type);
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})
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.catch(() => {
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if (requested_reference_space_types.length === 0) {
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const c_str = GodotRuntime.allocString('Unable to get any of the requested reference space types');
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onfailed(c_str);
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GodotRuntime.free(c_str);
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} else {
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requestReferenceSpace();
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}
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});
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}
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requestReferenceSpace();
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}).catch(function (error) {
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const c_str = GodotRuntime.allocString(`Unable to make WebGL context compatible with WebXR: ${error}`);
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onfailed(c_str);
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GodotRuntime.free(c_str);
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});
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}).catch(function (error) {
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const c_str = GodotRuntime.allocString(`Unable to start session: ${error}`);
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onfailed(c_str);
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GodotRuntime.free(c_str);
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});
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},
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godot_webxr_uninitialize__proxy: 'sync',
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godot_webxr_uninitialize__sig: 'v',
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godot_webxr_uninitialize: function () {
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if (GodotWebXR.session) {
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GodotWebXR.session.end()
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// Prevent exception when session has already ended.
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.catch((e) => { });
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}
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GodotWebXR.session = null;
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GodotWebXR.gl_binding = null;
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GodotWebXR.layer = null;
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GodotWebXR.space = null;
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GodotWebXR.frame = null;
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GodotWebXR.pose = null;
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GodotWebXR.view_count = 1;
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GodotWebXR.input_sources = new Array(16);
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GodotWebXR.touches = new Array(5);
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GodotWebXR.onsimpleevent = null;
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// Disable the monkey-patched window.requestAnimationFrame() and
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// pause/restart the main loop to activate it on all platforms.
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GodotWebXR.monkeyPatchRequestAnimationFrame(false);
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GodotWebXR.pauseResumeMainLoop();
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},
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godot_webxr_get_view_count__proxy: 'sync',
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godot_webxr_get_view_count__sig: 'i',
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godot_webxr_get_view_count: function () {
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if (!GodotWebXR.session || !GodotWebXR.pose) {
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return 1;
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}
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const view_count = GodotWebXR.pose.views.length;
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return view_count > 0 ? view_count : 1;
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},
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godot_webxr_get_render_target_size__proxy: 'sync',
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godot_webxr_get_render_target_size__sig: 'ii',
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godot_webxr_get_render_target_size: function (r_size) {
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const subimage = GodotWebXR.getSubImage();
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if (subimage === null) {
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return false;
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}
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GodotRuntime.setHeapValue(r_size + 0, subimage.viewport.width, 'i32');
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GodotRuntime.setHeapValue(r_size + 4, subimage.viewport.height, 'i32');
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return true;
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},
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godot_webxr_get_transform_for_view__proxy: 'sync',
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godot_webxr_get_transform_for_view__sig: 'iii',
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godot_webxr_get_transform_for_view: function (p_view, r_transform) {
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if (!GodotWebXR.session || !GodotWebXR.pose) {
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return false;
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}
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const views = GodotWebXR.pose.views;
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let matrix;
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if (p_view >= 0) {
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matrix = views[p_view].transform.matrix;
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} else {
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// For -1 (or any other negative value) return the HMD transform.
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matrix = GodotWebXR.pose.transform.matrix;
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}
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for (let i = 0; i < 16; i++) {
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GodotRuntime.setHeapValue(r_transform + (i * 4), matrix[i], 'float');
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}
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return true;
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},
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godot_webxr_get_projection_for_view__proxy: 'sync',
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godot_webxr_get_projection_for_view__sig: 'iii',
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godot_webxr_get_projection_for_view: function (p_view, r_transform) {
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if (!GodotWebXR.session || !GodotWebXR.pose) {
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return false;
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}
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const matrix = GodotWebXR.pose.views[p_view].projectionMatrix;
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for (let i = 0; i < 16; i++) {
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GodotRuntime.setHeapValue(r_transform + (i * 4), matrix[i], 'float');
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}
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return true;
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},
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godot_webxr_get_color_texture__proxy: 'sync',
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godot_webxr_get_color_texture__sig: 'i',
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godot_webxr_get_color_texture: function () {
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const subimage = GodotWebXR.getSubImage();
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if (subimage === null) {
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return 0;
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}
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return GodotWebXR.getTextureId(subimage.colorTexture);
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},
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godot_webxr_get_depth_texture__proxy: 'sync',
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godot_webxr_get_depth_texture__sig: 'i',
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godot_webxr_get_depth_texture: function () {
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const subimage = GodotWebXR.getSubImage();
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if (subimage === null) {
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return 0;
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}
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if (!subimage.depthStencilTexture) {
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return 0;
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}
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return GodotWebXR.getTextureId(subimage.depthStencilTexture);
|
|
},
|
|
|
|
godot_webxr_get_velocity_texture__proxy: 'sync',
|
|
godot_webxr_get_velocity_texture__sig: 'i',
|
|
godot_webxr_get_velocity_texture: function () {
|
|
const subimage = GodotWebXR.getSubImage();
|
|
if (subimage === null) {
|
|
return 0;
|
|
}
|
|
if (!subimage.motionVectorTexture) {
|
|
return 0;
|
|
}
|
|
return GodotWebXR.getTextureId(subimage.motionVectorTexture);
|
|
},
|
|
|
|
godot_webxr_update_input_source__proxy: 'sync',
|
|
godot_webxr_update_input_source__sig: 'iiiiiiiiiiiiiii',
|
|
godot_webxr_update_input_source: function (p_input_source_id, r_target_pose, r_target_ray_mode, r_touch_index, r_has_grip_pose, r_grip_pose, r_has_standard_mapping, r_button_count, r_buttons, r_axes_count, r_axes, r_has_hand_data, r_hand_joints, r_hand_radii) {
|
|
if (!GodotWebXR.session || !GodotWebXR.frame) {
|
|
return 0;
|
|
}
|
|
|
|
if (p_input_source_id < 0 || p_input_source_id >= GodotWebXR.input_sources.length || !GodotWebXR.input_sources[p_input_source_id]) {
|
|
return false;
|
|
}
|
|
|
|
const input_source = GodotWebXR.input_sources[p_input_source_id];
|
|
const frame = GodotWebXR.frame;
|
|
const space = GodotWebXR.space;
|
|
|
|
// Target pose.
|
|
const target_pose = frame.getPose(input_source.targetRaySpace, space);
|
|
if (!target_pose) {
|
|
// This can mean that the controller lost tracking.
|
|
return false;
|
|
}
|
|
const target_pose_matrix = target_pose.transform.matrix;
|
|
for (let i = 0; i < 16; i++) {
|
|
GodotRuntime.setHeapValue(r_target_pose + (i * 4), target_pose_matrix[i], 'float');
|
|
}
|
|
|
|
// Target ray mode.
|
|
let target_ray_mode = 0;
|
|
switch (input_source.targetRayMode) {
|
|
case 'gaze':
|
|
target_ray_mode = 1;
|
|
break;
|
|
|
|
case 'tracked-pointer':
|
|
target_ray_mode = 2;
|
|
break;
|
|
|
|
case 'screen':
|
|
target_ray_mode = 3;
|
|
break;
|
|
|
|
default:
|
|
}
|
|
GodotRuntime.setHeapValue(r_target_ray_mode, target_ray_mode, 'i32');
|
|
|
|
// Touch index.
|
|
GodotRuntime.setHeapValue(r_touch_index, GodotWebXR.getTouchIndex(input_source), 'i32');
|
|
|
|
// Grip pose.
|
|
let has_grip_pose = false;
|
|
if (input_source.gripSpace) {
|
|
const grip_pose = frame.getPose(input_source.gripSpace, space);
|
|
if (grip_pose) {
|
|
const grip_pose_matrix = grip_pose.transform.matrix;
|
|
for (let i = 0; i < 16; i++) {
|
|
GodotRuntime.setHeapValue(r_grip_pose + (i * 4), grip_pose_matrix[i], 'float');
|
|
}
|
|
has_grip_pose = true;
|
|
}
|
|
}
|
|
GodotRuntime.setHeapValue(r_has_grip_pose, has_grip_pose ? 1 : 0, 'i32');
|
|
|
|
// Gamepad data (mapping, buttons and axes).
|
|
let has_standard_mapping = false;
|
|
let button_count = 0;
|
|
let axes_count = 0;
|
|
if (input_source.gamepad) {
|
|
if (input_source.gamepad.mapping === 'xr-standard') {
|
|
has_standard_mapping = true;
|
|
}
|
|
|
|
button_count = Math.min(input_source.gamepad.buttons.length, 10);
|
|
for (let i = 0; i < button_count; i++) {
|
|
GodotRuntime.setHeapValue(r_buttons + (i * 4), input_source.gamepad.buttons[i].value, 'float');
|
|
}
|
|
|
|
axes_count = Math.min(input_source.gamepad.axes.length, 10);
|
|
for (let i = 0; i < axes_count; i++) {
|
|
GodotRuntime.setHeapValue(r_axes + (i * 4), input_source.gamepad.axes[i], 'float');
|
|
}
|
|
}
|
|
GodotRuntime.setHeapValue(r_has_standard_mapping, has_standard_mapping ? 1 : 0, 'i32');
|
|
GodotRuntime.setHeapValue(r_button_count, button_count, 'i32');
|
|
GodotRuntime.setHeapValue(r_axes_count, axes_count, 'i32');
|
|
|
|
// Hand tracking data.
|
|
let has_hand_data = false;
|
|
if (input_source.hand && r_hand_joints !== 0 && r_hand_radii !== 0) {
|
|
const hand_joint_array = new Float32Array(25 * 16);
|
|
const hand_radii_array = new Float32Array(25);
|
|
if (frame.fillPoses(input_source.hand.values(), space, hand_joint_array) && frame.fillJointRadii(input_source.hand.values(), hand_radii_array)) {
|
|
GodotRuntime.heapCopy(HEAPF32, hand_joint_array, r_hand_joints);
|
|
GodotRuntime.heapCopy(HEAPF32, hand_radii_array, r_hand_radii);
|
|
has_hand_data = true;
|
|
}
|
|
}
|
|
GodotRuntime.setHeapValue(r_has_hand_data, has_hand_data ? 1 : 0, 'i32');
|
|
|
|
return true;
|
|
},
|
|
|
|
godot_webxr_get_visibility_state__proxy: 'sync',
|
|
godot_webxr_get_visibility_state__sig: 'i',
|
|
godot_webxr_get_visibility_state: function () {
|
|
if (!GodotWebXR.session || !GodotWebXR.session.visibilityState) {
|
|
return 0;
|
|
}
|
|
|
|
return GodotRuntime.allocString(GodotWebXR.session.visibilityState);
|
|
},
|
|
|
|
godot_webxr_get_bounds_geometry__proxy: 'sync',
|
|
godot_webxr_get_bounds_geometry__sig: 'ii',
|
|
godot_webxr_get_bounds_geometry: function (r_points) {
|
|
if (!GodotWebXR.space || !GodotWebXR.space.boundsGeometry) {
|
|
return 0;
|
|
}
|
|
|
|
const point_count = GodotWebXR.space.boundsGeometry.length;
|
|
if (point_count === 0) {
|
|
return 0;
|
|
}
|
|
|
|
const buf = GodotRuntime.malloc(point_count * 3 * 4);
|
|
for (let i = 0; i < point_count; i++) {
|
|
const point = GodotWebXR.space.boundsGeometry[i];
|
|
GodotRuntime.setHeapValue(buf + ((i * 3) + 0) * 4, point.x, 'float');
|
|
GodotRuntime.setHeapValue(buf + ((i * 3) + 1) * 4, point.y, 'float');
|
|
GodotRuntime.setHeapValue(buf + ((i * 3) + 2) * 4, point.z, 'float');
|
|
}
|
|
GodotRuntime.setHeapValue(r_points, buf, 'i32');
|
|
|
|
return point_count;
|
|
},
|
|
|
|
godot_webxr_get_frame_rate__proxy: 'sync',
|
|
godot_webxr_get_frame_rate__sig: 'i',
|
|
godot_webxr_get_frame_rate: function () {
|
|
if (!GodotWebXR.session || GodotWebXR.session.frameRate === undefined) {
|
|
return 0;
|
|
}
|
|
return GodotWebXR.session.frameRate;
|
|
},
|
|
|
|
godot_webxr_update_target_frame_rate__proxy: 'sync',
|
|
godot_webxr_update_target_frame_rate__sig: 'vi',
|
|
godot_webxr_update_target_frame_rate: function (p_frame_rate) {
|
|
if (!GodotWebXR.session || GodotWebXR.session.updateTargetFrameRate === undefined) {
|
|
return;
|
|
}
|
|
|
|
GodotWebXR.session.updateTargetFrameRate(p_frame_rate).then(() => {
|
|
const c_str = GodotRuntime.allocString('display_refresh_rate_changed');
|
|
GodotWebXR.onsimpleevent(c_str);
|
|
GodotRuntime.free(c_str);
|
|
});
|
|
},
|
|
|
|
godot_webxr_get_supported_frame_rates__proxy: 'sync',
|
|
godot_webxr_get_supported_frame_rates__sig: 'ii',
|
|
godot_webxr_get_supported_frame_rates: function (r_frame_rates) {
|
|
if (!GodotWebXR.session || GodotWebXR.session.supportedFrameRates === undefined) {
|
|
return 0;
|
|
}
|
|
|
|
const frame_rate_count = GodotWebXR.session.supportedFrameRates.length;
|
|
if (frame_rate_count === 0) {
|
|
return 0;
|
|
}
|
|
|
|
const buf = GodotRuntime.malloc(frame_rate_count * 4);
|
|
for (let i = 0; i < frame_rate_count; i++) {
|
|
GodotRuntime.setHeapValue(buf + (i * 4), GodotWebXR.session.supportedFrameRates[i], 'float');
|
|
}
|
|
GodotRuntime.setHeapValue(r_frame_rates, buf, 'i32');
|
|
|
|
return frame_rate_count;
|
|
},
|
|
|
|
};
|
|
|
|
autoAddDeps(GodotWebXR, '$GodotWebXR');
|
|
mergeInto(LibraryManager.library, GodotWebXR);
|