1004 lines
30 KiB
JavaScript
1004 lines
30 KiB
JavaScript
/*************************************************************************/
|
|
/* library_godot_display.js */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/*************************************************************************/
|
|
|
|
/*
|
|
* Display Server listeners.
|
|
* Keeps track of registered event listeners so it can remove them on shutdown.
|
|
*/
|
|
const GodotDisplayListeners = {
|
|
$GodotDisplayListeners__deps: ['$GodotOS'],
|
|
$GodotDisplayListeners__postset: 'GodotOS.atexit(function(resolve, reject) { GodotDisplayListeners.clear(); resolve(); });',
|
|
$GodotDisplayListeners: {
|
|
handlers: [],
|
|
|
|
has: function (target, event, method, capture) {
|
|
return GodotDisplayListeners.handlers.findIndex(function (e) {
|
|
return e.target === target && e.event === event && e.method === method && e.capture === capture;
|
|
}) !== -1;
|
|
},
|
|
|
|
add: function (target, event, method, capture) {
|
|
if (GodotDisplayListeners.has(target, event, method, capture)) {
|
|
return;
|
|
}
|
|
function Handler(p_target, p_event, p_method, p_capture) {
|
|
this.target = p_target;
|
|
this.event = p_event;
|
|
this.method = p_method;
|
|
this.capture = p_capture;
|
|
}
|
|
GodotDisplayListeners.handlers.push(new Handler(target, event, method, capture));
|
|
target.addEventListener(event, method, capture);
|
|
},
|
|
|
|
clear: function () {
|
|
GodotDisplayListeners.handlers.forEach(function (h) {
|
|
h.target.removeEventListener(h.event, h.method, h.capture);
|
|
});
|
|
GodotDisplayListeners.handlers.length = 0;
|
|
},
|
|
},
|
|
};
|
|
mergeInto(LibraryManager.library, GodotDisplayListeners);
|
|
|
|
/*
|
|
* Drag and drop handler.
|
|
* This is pretty big, but basically detect dropped files on GodotConfig.canvas,
|
|
* process them one by one (recursively for directories), and copies them to
|
|
* the temporary FS path '/tmp/drop-[random]/' so it can be emitted as a godot
|
|
* event (that requires a string array of paths).
|
|
*
|
|
* NOTE: The temporary files are removed after the callback. This means that
|
|
* deferred callbacks won't be able to access the files.
|
|
*/
|
|
const GodotDisplayDragDrop = {
|
|
$GodotDisplayDragDrop__deps: ['$FS', '$GodotFS'],
|
|
$GodotDisplayDragDrop: {
|
|
promises: [],
|
|
pending_files: [],
|
|
|
|
add_entry: function (entry) {
|
|
if (entry.isDirectory) {
|
|
GodotDisplayDragDrop.add_dir(entry);
|
|
} else if (entry.isFile) {
|
|
GodotDisplayDragDrop.add_file(entry);
|
|
} else {
|
|
GodotRuntime.error('Unrecognized entry...', entry);
|
|
}
|
|
},
|
|
|
|
add_dir: function (entry) {
|
|
GodotDisplayDragDrop.promises.push(new Promise(function (resolve, reject) {
|
|
const reader = entry.createReader();
|
|
reader.readEntries(function (entries) {
|
|
for (let i = 0; i < entries.length; i++) {
|
|
GodotDisplayDragDrop.add_entry(entries[i]);
|
|
}
|
|
resolve();
|
|
});
|
|
}));
|
|
},
|
|
|
|
add_file: function (entry) {
|
|
GodotDisplayDragDrop.promises.push(new Promise(function (resolve, reject) {
|
|
entry.file(function (file) {
|
|
const reader = new FileReader();
|
|
reader.onload = function () {
|
|
const f = {
|
|
'path': file.relativePath || file.webkitRelativePath,
|
|
'name': file.name,
|
|
'type': file.type,
|
|
'size': file.size,
|
|
'data': reader.result,
|
|
};
|
|
if (!f['path']) {
|
|
f['path'] = f['name'];
|
|
}
|
|
GodotDisplayDragDrop.pending_files.push(f);
|
|
resolve();
|
|
};
|
|
reader.onerror = function () {
|
|
GodotRuntime.print('Error reading file');
|
|
reject();
|
|
};
|
|
reader.readAsArrayBuffer(file);
|
|
}, function (err) {
|
|
GodotRuntime.print('Error!');
|
|
reject();
|
|
});
|
|
}));
|
|
},
|
|
|
|
process: function (resolve, reject) {
|
|
if (GodotDisplayDragDrop.promises.length === 0) {
|
|
resolve();
|
|
return;
|
|
}
|
|
GodotDisplayDragDrop.promises.pop().then(function () {
|
|
setTimeout(function () {
|
|
GodotDisplayDragDrop.process(resolve, reject);
|
|
}, 0);
|
|
});
|
|
},
|
|
|
|
_process_event: function (ev, callback) {
|
|
ev.preventDefault();
|
|
if (ev.dataTransfer.items) {
|
|
// Use DataTransferItemList interface to access the file(s)
|
|
for (let i = 0; i < ev.dataTransfer.items.length; i++) {
|
|
const item = ev.dataTransfer.items[i];
|
|
let entry = null;
|
|
if ('getAsEntry' in item) {
|
|
entry = item.getAsEntry();
|
|
} else if ('webkitGetAsEntry' in item) {
|
|
entry = item.webkitGetAsEntry();
|
|
}
|
|
if (entry) {
|
|
GodotDisplayDragDrop.add_entry(entry);
|
|
}
|
|
}
|
|
} else {
|
|
GodotRuntime.error('File upload not supported');
|
|
}
|
|
new Promise(GodotDisplayDragDrop.process).then(function () {
|
|
const DROP = `/tmp/drop-${parseInt(Math.random() * (1 << 30), 10)}/`;
|
|
const drops = [];
|
|
const files = [];
|
|
FS.mkdir(DROP);
|
|
GodotDisplayDragDrop.pending_files.forEach((elem) => {
|
|
const path = elem['path'];
|
|
GodotFS.copy_to_fs(DROP + path, elem['data']);
|
|
let idx = path.indexOf('/');
|
|
if (idx === -1) {
|
|
// Root file
|
|
drops.push(DROP + path);
|
|
} else {
|
|
// Subdir
|
|
const sub = path.substr(0, idx);
|
|
idx = sub.indexOf('/');
|
|
if (idx < 0 && drops.indexOf(DROP + sub) === -1) {
|
|
drops.push(DROP + sub);
|
|
}
|
|
}
|
|
files.push(DROP + path);
|
|
});
|
|
GodotDisplayDragDrop.promises = [];
|
|
GodotDisplayDragDrop.pending_files = [];
|
|
callback(drops);
|
|
if (GodotConfig.persistent_drops) {
|
|
// Delay removal at exit.
|
|
GodotOS.atexit(function (resolve, reject) {
|
|
GodotDisplayDragDrop.remove_drop(files, DROP);
|
|
resolve();
|
|
});
|
|
} else {
|
|
GodotDisplayDragDrop.remove_drop(files, DROP);
|
|
}
|
|
});
|
|
},
|
|
|
|
remove_drop: function (files, drop_path) {
|
|
const dirs = [drop_path.substr(0, drop_path.length - 1)];
|
|
// Remove temporary files
|
|
files.forEach(function (file) {
|
|
FS.unlink(file);
|
|
let dir = file.replace(drop_path, '');
|
|
let idx = dir.lastIndexOf('/');
|
|
while (idx > 0) {
|
|
dir = dir.substr(0, idx);
|
|
if (dirs.indexOf(drop_path + dir) === -1) {
|
|
dirs.push(drop_path + dir);
|
|
}
|
|
idx = dir.lastIndexOf('/');
|
|
}
|
|
});
|
|
// Remove dirs.
|
|
dirs.sort(function (a, b) {
|
|
const al = (a.match(/\//g) || []).length;
|
|
const bl = (b.match(/\//g) || []).length;
|
|
if (al > bl) {
|
|
return -1;
|
|
} else if (al < bl) {
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}).forEach(function (dir) {
|
|
FS.rmdir(dir);
|
|
});
|
|
},
|
|
|
|
handler: function (callback) {
|
|
return function (ev) {
|
|
GodotDisplayDragDrop._process_event(ev, callback);
|
|
};
|
|
},
|
|
},
|
|
};
|
|
mergeInto(LibraryManager.library, GodotDisplayDragDrop);
|
|
|
|
const GodotDisplayVK = {
|
|
|
|
$GodotDisplayVK__deps: ['$GodotRuntime', '$GodotConfig', '$GodotDisplayListeners'],
|
|
$GodotDisplayVK__postset: 'GodotOS.atexit(function(resolve, reject) { GodotDisplayVK.clear(); resolve(); });',
|
|
$GodotDisplayVK: {
|
|
textinput: null,
|
|
textarea: null,
|
|
|
|
available: function () {
|
|
return GodotConfig.virtual_keyboard && 'ontouchstart' in window;
|
|
},
|
|
|
|
init: function (input_cb) {
|
|
function create(what) {
|
|
const elem = document.createElement(what);
|
|
elem.style.display = 'none';
|
|
elem.style.position = 'absolute';
|
|
elem.style.zIndex = '-1';
|
|
elem.style.background = 'transparent';
|
|
elem.style.padding = '0px';
|
|
elem.style.margin = '0px';
|
|
elem.style.overflow = 'hidden';
|
|
elem.style.width = '0px';
|
|
elem.style.height = '0px';
|
|
elem.style.border = '0px';
|
|
elem.style.outline = 'none';
|
|
elem.readonly = true;
|
|
elem.disabled = true;
|
|
GodotDisplayListeners.add(elem, 'input', function (evt) {
|
|
const c_str = GodotRuntime.allocString(elem.value);
|
|
input_cb(c_str, elem.selectionEnd);
|
|
GodotRuntime.free(c_str);
|
|
}, false);
|
|
GodotDisplayListeners.add(elem, 'blur', function (evt) {
|
|
elem.style.display = 'none';
|
|
elem.readonly = true;
|
|
elem.disabled = true;
|
|
}, false);
|
|
GodotConfig.canvas.insertAdjacentElement('beforebegin', elem);
|
|
return elem;
|
|
}
|
|
GodotDisplayVK.textinput = create('input');
|
|
GodotDisplayVK.textarea = create('textarea');
|
|
GodotDisplayVK.updateSize();
|
|
},
|
|
show: function (text, multiline, start, end) {
|
|
if (!GodotDisplayVK.textinput || !GodotDisplayVK.textarea) {
|
|
return;
|
|
}
|
|
if (GodotDisplayVK.textinput.style.display !== '' || GodotDisplayVK.textarea.style.display !== '') {
|
|
GodotDisplayVK.hide();
|
|
}
|
|
GodotDisplayVK.updateSize();
|
|
const elem = multiline ? GodotDisplayVK.textarea : GodotDisplayVK.textinput;
|
|
elem.readonly = false;
|
|
elem.disabled = false;
|
|
elem.value = text;
|
|
elem.style.display = 'block';
|
|
elem.focus();
|
|
elem.setSelectionRange(start, end);
|
|
},
|
|
hide: function () {
|
|
if (!GodotDisplayVK.textinput || !GodotDisplayVK.textarea) {
|
|
return;
|
|
}
|
|
[GodotDisplayVK.textinput, GodotDisplayVK.textarea].forEach(function (elem) {
|
|
elem.blur();
|
|
elem.style.display = 'none';
|
|
elem.value = '';
|
|
});
|
|
},
|
|
updateSize: function () {
|
|
if (!GodotDisplayVK.textinput || !GodotDisplayVK.textarea) {
|
|
return;
|
|
}
|
|
const rect = GodotConfig.canvas.getBoundingClientRect();
|
|
function update(elem) {
|
|
elem.style.left = `${rect.left}px`;
|
|
elem.style.top = `${rect.top}px`;
|
|
elem.style.width = `${rect.width}px`;
|
|
elem.style.height = `${rect.height}px`;
|
|
}
|
|
update(GodotDisplayVK.textinput);
|
|
update(GodotDisplayVK.textarea);
|
|
},
|
|
clear: function () {
|
|
if (GodotDisplayVK.textinput) {
|
|
GodotDisplayVK.textinput.remove();
|
|
GodotDisplayVK.textinput = null;
|
|
}
|
|
if (GodotDisplayVK.textarea) {
|
|
GodotDisplayVK.textarea.remove();
|
|
GodotDisplayVK.textarea = null;
|
|
}
|
|
},
|
|
},
|
|
};
|
|
mergeInto(LibraryManager.library, GodotDisplayVK);
|
|
|
|
/*
|
|
* Display server cursor helper.
|
|
* Keeps track of cursor status and custom shapes.
|
|
*/
|
|
const GodotDisplayCursor = {
|
|
$GodotDisplayCursor__deps: ['$GodotOS', '$GodotConfig'],
|
|
$GodotDisplayCursor__postset: 'GodotOS.atexit(function(resolve, reject) { GodotDisplayCursor.clear(); resolve(); });',
|
|
$GodotDisplayCursor: {
|
|
shape: 'auto',
|
|
visible: true,
|
|
cursors: {},
|
|
set_style: function (style) {
|
|
GodotConfig.canvas.style.cursor = style;
|
|
},
|
|
set_shape: function (shape) {
|
|
GodotDisplayCursor.shape = shape;
|
|
let css = shape;
|
|
if (shape in GodotDisplayCursor.cursors) {
|
|
const c = GodotDisplayCursor.cursors[shape];
|
|
css = `url("${c.url}") ${c.x} ${c.y}, auto`;
|
|
}
|
|
if (GodotDisplayCursor.visible) {
|
|
GodotDisplayCursor.set_style(css);
|
|
}
|
|
},
|
|
clear: function () {
|
|
GodotDisplayCursor.set_style('');
|
|
GodotDisplayCursor.shape = 'auto';
|
|
GodotDisplayCursor.visible = true;
|
|
Object.keys(GodotDisplayCursor.cursors).forEach(function (key) {
|
|
URL.revokeObjectURL(GodotDisplayCursor.cursors[key]);
|
|
delete GodotDisplayCursor.cursors[key];
|
|
});
|
|
},
|
|
},
|
|
};
|
|
mergeInto(LibraryManager.library, GodotDisplayCursor);
|
|
|
|
/*
|
|
* Display Gamepad API helper.
|
|
*/
|
|
const GodotDisplayGamepads = {
|
|
$GodotDisplayGamepads__deps: ['$GodotRuntime', '$GodotDisplayListeners'],
|
|
$GodotDisplayGamepads: {
|
|
samples: [],
|
|
|
|
get_pads: function () {
|
|
try {
|
|
// Will throw in iframe when permission is denied.
|
|
// Will throw/warn in the future for insecure contexts.
|
|
// See https://github.com/w3c/gamepad/pull/120
|
|
const pads = navigator.getGamepads();
|
|
if (pads) {
|
|
return pads;
|
|
}
|
|
return [];
|
|
} catch (e) {
|
|
return [];
|
|
}
|
|
},
|
|
|
|
get_samples: function () {
|
|
return GodotDisplayGamepads.samples;
|
|
},
|
|
|
|
get_sample: function (index) {
|
|
const samples = GodotDisplayGamepads.samples;
|
|
return index < samples.length ? samples[index] : null;
|
|
},
|
|
|
|
sample: function () {
|
|
const pads = GodotDisplayGamepads.get_pads();
|
|
const samples = [];
|
|
for (let i = 0; i < pads.length; i++) {
|
|
const pad = pads[i];
|
|
if (!pad) {
|
|
samples.push(null);
|
|
continue;
|
|
}
|
|
const s = {
|
|
standard: pad.mapping === 'standard',
|
|
buttons: [],
|
|
axes: [],
|
|
connected: pad.connected,
|
|
};
|
|
for (let b = 0; b < pad.buttons.length; b++) {
|
|
s.buttons.push(pad.buttons[b].value);
|
|
}
|
|
for (let a = 0; a < pad.axes.length; a++) {
|
|
s.axes.push(pad.axes[a]);
|
|
}
|
|
samples.push(s);
|
|
}
|
|
GodotDisplayGamepads.samples = samples;
|
|
},
|
|
|
|
init: function (onchange) {
|
|
GodotDisplayListeners.samples = [];
|
|
function add(pad) {
|
|
const guid = GodotDisplayGamepads.get_guid(pad);
|
|
const c_id = GodotRuntime.allocString(pad.id);
|
|
const c_guid = GodotRuntime.allocString(guid);
|
|
onchange(pad.index, 1, c_id, c_guid);
|
|
GodotRuntime.free(c_id);
|
|
GodotRuntime.free(c_guid);
|
|
}
|
|
const pads = GodotDisplayGamepads.get_pads();
|
|
for (let i = 0; i < pads.length; i++) {
|
|
// Might be reserved space.
|
|
if (pads[i]) {
|
|
add(pads[i]);
|
|
}
|
|
}
|
|
GodotDisplayListeners.add(window, 'gamepadconnected', function (evt) {
|
|
add(evt.gamepad);
|
|
}, false);
|
|
GodotDisplayListeners.add(window, 'gamepaddisconnected', function (evt) {
|
|
onchange(evt.gamepad.index, 0);
|
|
}, false);
|
|
},
|
|
|
|
get_guid: function (pad) {
|
|
if (pad.mapping) {
|
|
return pad.mapping;
|
|
}
|
|
const ua = navigator.userAgent;
|
|
let os = 'Unknown';
|
|
if (ua.indexOf('Android') >= 0) {
|
|
os = 'Android';
|
|
} else if (ua.indexOf('Linux') >= 0) {
|
|
os = 'Linux';
|
|
} else if (ua.indexOf('iPhone') >= 0) {
|
|
os = 'iOS';
|
|
} else if (ua.indexOf('Macintosh') >= 0) {
|
|
// Updated iPads will fall into this category.
|
|
os = 'MacOSX';
|
|
} else if (ua.indexOf('Windows') >= 0) {
|
|
os = 'Windows';
|
|
}
|
|
|
|
const id = pad.id;
|
|
// Chrom* style: NAME (Vendor: xxxx Product: xxxx)
|
|
const exp1 = /vendor: ([0-9a-f]{4}) product: ([0-9a-f]{4})/i;
|
|
// Firefox/Safari style (safari may remove leading zeores)
|
|
const exp2 = /^([0-9a-f]+)-([0-9a-f]+)-/i;
|
|
let vendor = '';
|
|
let product = '';
|
|
if (exp1.test(id)) {
|
|
const match = exp1.exec(id);
|
|
vendor = match[1].padStart(4, '0');
|
|
product = match[2].padStart(4, '0');
|
|
} else if (exp2.test(id)) {
|
|
const match = exp2.exec(id);
|
|
vendor = match[1].padStart(4, '0');
|
|
product = match[2].padStart(4, '0');
|
|
}
|
|
if (!vendor || !product) {
|
|
return `${os}Unknown`;
|
|
}
|
|
return os + vendor + product;
|
|
},
|
|
},
|
|
};
|
|
mergeInto(LibraryManager.library, GodotDisplayGamepads);
|
|
|
|
const GodotDisplayScreen = {
|
|
$GodotDisplayScreen__deps: ['$GodotConfig', '$GodotOS', '$GL', 'emscripten_webgl_get_current_context'],
|
|
$GodotDisplayScreen: {
|
|
desired_size: [0, 0],
|
|
hidpi: true,
|
|
getPixelRatio: function () {
|
|
return GodotDisplayScreen.hidpi ? window.devicePixelRatio || 1 : 1;
|
|
},
|
|
isFullscreen: function () {
|
|
const elem = document.fullscreenElement || document.mozFullscreenElement
|
|
|| document.webkitFullscreenElement || document.msFullscreenElement;
|
|
if (elem) {
|
|
return elem === GodotConfig.canvas;
|
|
}
|
|
// But maybe knowing the element is not supported.
|
|
return document.fullscreen || document.mozFullScreen
|
|
|| document.webkitIsFullscreen;
|
|
},
|
|
hasFullscreen: function () {
|
|
return document.fullscreenEnabled || document.mozFullScreenEnabled
|
|
|| document.webkitFullscreenEnabled;
|
|
},
|
|
requestFullscreen: function () {
|
|
if (!GodotDisplayScreen.hasFullscreen()) {
|
|
return 1;
|
|
}
|
|
const canvas = GodotConfig.canvas;
|
|
try {
|
|
const promise = (canvas.requestFullscreen || canvas.msRequestFullscreen
|
|
|| canvas.mozRequestFullScreen || canvas.mozRequestFullscreen
|
|
|| canvas.webkitRequestFullscreen
|
|
).call(canvas);
|
|
// Some browsers (Safari) return undefined.
|
|
// For the standard ones, we need to catch it.
|
|
if (promise) {
|
|
promise.catch(function () {
|
|
// nothing to do.
|
|
});
|
|
}
|
|
} catch (e) {
|
|
return 1;
|
|
}
|
|
return 0;
|
|
},
|
|
exitFullscreen: function () {
|
|
if (!GodotDisplayScreen.isFullscreen()) {
|
|
return 0;
|
|
}
|
|
try {
|
|
const promise = document.exitFullscreen();
|
|
if (promise) {
|
|
promise.catch(function () {
|
|
// nothing to do.
|
|
});
|
|
}
|
|
} catch (e) {
|
|
return 1;
|
|
}
|
|
return 0;
|
|
},
|
|
_updateGL: function () {
|
|
const gl_context_handle = _emscripten_webgl_get_current_context(); // eslint-disable-line no-undef
|
|
const gl = GL.getContext(gl_context_handle);
|
|
if (gl) {
|
|
GL.resizeOffscreenFramebuffer(gl);
|
|
}
|
|
},
|
|
updateSize: function () {
|
|
const isFullscreen = GodotDisplayScreen.isFullscreen();
|
|
const wantsFullWindow = GodotConfig.canvas_resize_policy === 2;
|
|
const noResize = GodotConfig.canvas_resize_policy === 0;
|
|
const wwidth = GodotDisplayScreen.desired_size[0];
|
|
const wheight = GodotDisplayScreen.desired_size[1];
|
|
const canvas = GodotConfig.canvas;
|
|
let width = wwidth;
|
|
let height = wheight;
|
|
if (noResize) {
|
|
// Don't resize canvas, just update GL if needed.
|
|
if (canvas.width !== width || canvas.height !== height) {
|
|
GodotDisplayScreen.desired_size = [canvas.width, canvas.height];
|
|
GodotDisplayScreen._updateGL();
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
const scale = GodotDisplayScreen.getPixelRatio();
|
|
if (isFullscreen || wantsFullWindow) {
|
|
// We need to match screen size.
|
|
width = window.innerWidth * scale;
|
|
height = window.innerHeight * scale;
|
|
}
|
|
const csw = `${width / scale}px`;
|
|
const csh = `${height / scale}px`;
|
|
if (canvas.style.width !== csw || canvas.style.height !== csh || canvas.width !== width || canvas.height !== height) {
|
|
// Size doesn't match.
|
|
// Resize canvas, set correct CSS pixel size, update GL.
|
|
canvas.width = width;
|
|
canvas.height = height;
|
|
canvas.style.width = csw;
|
|
canvas.style.height = csh;
|
|
GodotDisplayScreen._updateGL();
|
|
return 1;
|
|
}
|
|
return 0;
|
|
},
|
|
},
|
|
};
|
|
mergeInto(LibraryManager.library, GodotDisplayScreen);
|
|
|
|
/**
|
|
* Display server interface.
|
|
*
|
|
* Exposes all the functions needed by DisplayServer implementation.
|
|
*/
|
|
const GodotDisplay = {
|
|
$GodotDisplay__deps: ['$GodotConfig', '$GodotRuntime', '$GodotDisplayCursor', '$GodotDisplayListeners', '$GodotDisplayDragDrop', '$GodotDisplayGamepads', '$GodotDisplayScreen', '$GodotDisplayVK'],
|
|
$GodotDisplay: {
|
|
window_icon: '',
|
|
findDPI: function () {
|
|
function testDPI(dpi) {
|
|
return window.matchMedia(`(max-resolution: ${dpi}dpi)`).matches;
|
|
}
|
|
function bisect(low, high, func) {
|
|
const mid = parseInt(((high - low) / 2) + low, 10);
|
|
if (high - low <= 1) {
|
|
return func(high) ? high : low;
|
|
}
|
|
if (func(mid)) {
|
|
return bisect(low, mid, func);
|
|
}
|
|
return bisect(mid, high, func);
|
|
}
|
|
try {
|
|
const dpi = bisect(0, 800, testDPI);
|
|
return dpi >= 96 ? dpi : 96;
|
|
} catch (e) {
|
|
return 96;
|
|
}
|
|
},
|
|
},
|
|
|
|
godot_js_display_is_swap_ok_cancel__sig: 'i',
|
|
godot_js_display_is_swap_ok_cancel: function () {
|
|
const win = (['Windows', 'Win64', 'Win32', 'WinCE']);
|
|
const plat = navigator.platform || '';
|
|
if (win.indexOf(plat) !== -1) {
|
|
return 1;
|
|
}
|
|
return 0;
|
|
},
|
|
|
|
godot_js_display_alert__sig: 'vi',
|
|
godot_js_display_alert: function (p_text) {
|
|
window.alert(GodotRuntime.parseString(p_text)); // eslint-disable-line no-alert
|
|
},
|
|
|
|
godot_js_display_screen_dpi_get__sig: 'i',
|
|
godot_js_display_screen_dpi_get: function () {
|
|
return GodotDisplay.findDPI();
|
|
},
|
|
|
|
godot_js_display_pixel_ratio_get__sig: 'f',
|
|
godot_js_display_pixel_ratio_get: function () {
|
|
return GodotDisplayScreen.getPixelRatio();
|
|
},
|
|
|
|
godot_js_display_fullscreen_request__sig: 'i',
|
|
godot_js_display_fullscreen_request: function () {
|
|
return GodotDisplayScreen.requestFullscreen();
|
|
},
|
|
|
|
godot_js_display_fullscreen_exit__sig: 'i',
|
|
godot_js_display_fullscreen_exit: function () {
|
|
return GodotDisplayScreen.exitFullscreen();
|
|
},
|
|
|
|
godot_js_display_desired_size_set__sig: 'v',
|
|
godot_js_display_desired_size_set: function (width, height) {
|
|
GodotDisplayScreen.desired_size = [width, height];
|
|
GodotDisplayScreen.updateSize();
|
|
},
|
|
|
|
godot_js_display_size_update__sig: 'i',
|
|
godot_js_display_size_update: function () {
|
|
const updated = GodotDisplayScreen.updateSize();
|
|
if (updated) {
|
|
GodotDisplayVK.updateSize();
|
|
}
|
|
return updated;
|
|
},
|
|
|
|
godot_js_display_screen_size_get__sig: 'vii',
|
|
godot_js_display_screen_size_get: function (width, height) {
|
|
const scale = GodotDisplayScreen.getPixelRatio();
|
|
GodotRuntime.setHeapValue(width, window.screen.width * scale, 'i32');
|
|
GodotRuntime.setHeapValue(height, window.screen.height * scale, 'i32');
|
|
},
|
|
|
|
godot_js_display_window_size_get: function (p_width, p_height) {
|
|
GodotRuntime.setHeapValue(p_width, GodotConfig.canvas.width, 'i32');
|
|
GodotRuntime.setHeapValue(p_height, GodotConfig.canvas.height, 'i32');
|
|
},
|
|
|
|
godot_js_display_compute_position: function (x, y, r_x, r_y) {
|
|
const canvas = GodotConfig.canvas;
|
|
const rect = canvas.getBoundingClientRect();
|
|
const rw = canvas.width / rect.width;
|
|
const rh = canvas.height / rect.height;
|
|
GodotRuntime.setHeapValue(r_x, (x - rect.x) * rw, 'i32');
|
|
GodotRuntime.setHeapValue(r_y, (y - rect.y) * rh, 'i32');
|
|
},
|
|
|
|
/*
|
|
* Canvas
|
|
*/
|
|
godot_js_display_canvas_focus__sig: 'v',
|
|
godot_js_display_canvas_focus: function () {
|
|
GodotConfig.canvas.focus();
|
|
},
|
|
|
|
godot_js_display_canvas_is_focused__sig: 'i',
|
|
godot_js_display_canvas_is_focused: function () {
|
|
return document.activeElement === GodotConfig.canvas;
|
|
},
|
|
|
|
/*
|
|
* Touchscreen
|
|
*/
|
|
godot_js_display_touchscreen_is_available__sig: 'i',
|
|
godot_js_display_touchscreen_is_available: function () {
|
|
return 'ontouchstart' in window;
|
|
},
|
|
|
|
/*
|
|
* Clipboard
|
|
*/
|
|
godot_js_display_clipboard_set__sig: 'ii',
|
|
godot_js_display_clipboard_set: function (p_text) {
|
|
const text = GodotRuntime.parseString(p_text);
|
|
if (!navigator.clipboard || !navigator.clipboard.writeText) {
|
|
return 1;
|
|
}
|
|
navigator.clipboard.writeText(text).catch(function (e) {
|
|
// Setting OS clipboard is only possible from an input callback.
|
|
GodotRuntime.error('Setting OS clipboard is only possible from an input callback for the HTML5 plafrom. Exception:', e);
|
|
});
|
|
return 0;
|
|
},
|
|
|
|
godot_js_display_clipboard_get__sig: 'ii',
|
|
godot_js_display_clipboard_get: function (callback) {
|
|
const func = GodotRuntime.get_func(callback);
|
|
try {
|
|
navigator.clipboard.readText().then(function (result) {
|
|
const ptr = GodotRuntime.allocString(result);
|
|
func(ptr);
|
|
GodotRuntime.free(ptr);
|
|
}).catch(function (e) {
|
|
// Fail graciously.
|
|
});
|
|
} catch (e) {
|
|
// Fail graciously.
|
|
}
|
|
},
|
|
|
|
/*
|
|
* Window
|
|
*/
|
|
godot_js_display_window_title_set__sig: 'vi',
|
|
godot_js_display_window_title_set: function (p_data) {
|
|
document.title = GodotRuntime.parseString(p_data);
|
|
},
|
|
|
|
godot_js_display_window_icon_set__sig: 'vii',
|
|
godot_js_display_window_icon_set: function (p_ptr, p_len) {
|
|
let link = document.getElementById('-gd-engine-icon');
|
|
if (link === null) {
|
|
link = document.createElement('link');
|
|
link.rel = 'icon';
|
|
link.id = '-gd-engine-icon';
|
|
document.head.appendChild(link);
|
|
}
|
|
const old_icon = GodotDisplay.window_icon;
|
|
const png = new Blob([GodotRuntime.heapSlice(HEAPU8, p_ptr, p_len)], { type: 'image/png' });
|
|
GodotDisplay.window_icon = URL.createObjectURL(png);
|
|
link.href = GodotDisplay.window_icon;
|
|
if (old_icon) {
|
|
URL.revokeObjectURL(old_icon);
|
|
}
|
|
},
|
|
|
|
/*
|
|
* Cursor
|
|
*/
|
|
godot_js_display_cursor_set_visible__sig: 'vi',
|
|
godot_js_display_cursor_set_visible: function (p_visible) {
|
|
const visible = p_visible !== 0;
|
|
if (visible === GodotDisplayCursor.visible) {
|
|
return;
|
|
}
|
|
GodotDisplayCursor.visible = visible;
|
|
if (visible) {
|
|
GodotDisplayCursor.set_shape(GodotDisplayCursor.shape);
|
|
} else {
|
|
GodotDisplayCursor.set_style('none');
|
|
}
|
|
},
|
|
|
|
godot_js_display_cursor_is_hidden__sig: 'i',
|
|
godot_js_display_cursor_is_hidden: function () {
|
|
return !GodotDisplayCursor.visible;
|
|
},
|
|
|
|
godot_js_display_cursor_set_shape__sig: 'vi',
|
|
godot_js_display_cursor_set_shape: function (p_string) {
|
|
GodotDisplayCursor.set_shape(GodotRuntime.parseString(p_string));
|
|
},
|
|
|
|
godot_js_display_cursor_set_custom_shape__sig: 'viiiii',
|
|
godot_js_display_cursor_set_custom_shape: function (p_shape, p_ptr, p_len, p_hotspot_x, p_hotspot_y) {
|
|
const shape = GodotRuntime.parseString(p_shape);
|
|
const old_shape = GodotDisplayCursor.cursors[shape];
|
|
if (p_len > 0) {
|
|
const png = new Blob([GodotRuntime.heapSlice(HEAPU8, p_ptr, p_len)], { type: 'image/png' });
|
|
const url = URL.createObjectURL(png);
|
|
GodotDisplayCursor.cursors[shape] = {
|
|
url: url,
|
|
x: p_hotspot_x,
|
|
y: p_hotspot_y,
|
|
};
|
|
} else {
|
|
delete GodotDisplayCursor.cursors[shape];
|
|
}
|
|
if (shape === GodotDisplayCursor.shape) {
|
|
GodotDisplayCursor.set_shape(GodotDisplayCursor.shape);
|
|
}
|
|
if (old_shape) {
|
|
URL.revokeObjectURL(old_shape.url);
|
|
}
|
|
},
|
|
|
|
/*
|
|
* Listeners
|
|
*/
|
|
godot_js_display_notification_cb__sig: 'viiiii',
|
|
godot_js_display_notification_cb: function (callback, p_enter, p_exit, p_in, p_out) {
|
|
const canvas = GodotConfig.canvas;
|
|
const func = GodotRuntime.get_func(callback);
|
|
const notif = [p_enter, p_exit, p_in, p_out];
|
|
['mouseover', 'mouseleave', 'focus', 'blur'].forEach(function (evt_name, idx) {
|
|
GodotDisplayListeners.add(canvas, evt_name, function () {
|
|
func.bind(null, notif[idx]);
|
|
}, true);
|
|
});
|
|
},
|
|
|
|
godot_js_display_paste_cb__sig: 'vi',
|
|
godot_js_display_paste_cb: function (callback) {
|
|
const func = GodotRuntime.get_func(callback);
|
|
GodotDisplayListeners.add(window, 'paste', function (evt) {
|
|
const text = evt.clipboardData.getData('text');
|
|
const ptr = GodotRuntime.allocString(text);
|
|
func(ptr);
|
|
GodotRuntime.free(ptr);
|
|
}, false);
|
|
},
|
|
|
|
godot_js_display_drop_files_cb__sig: 'vi',
|
|
godot_js_display_drop_files_cb: function (callback) {
|
|
const func = GodotRuntime.get_func(callback);
|
|
const dropFiles = function (files) {
|
|
const args = files || [];
|
|
if (!args.length) {
|
|
return;
|
|
}
|
|
const argc = args.length;
|
|
const argv = GodotRuntime.allocStringArray(args);
|
|
func(argv, argc);
|
|
GodotRuntime.freeStringArray(argv, argc);
|
|
};
|
|
const canvas = GodotConfig.canvas;
|
|
GodotDisplayListeners.add(canvas, 'dragover', function (ev) {
|
|
// Prevent default behavior (which would try to open the file(s))
|
|
ev.preventDefault();
|
|
}, false);
|
|
GodotDisplayListeners.add(canvas, 'drop', GodotDisplayDragDrop.handler(dropFiles));
|
|
},
|
|
|
|
godot_js_display_setup_canvas__sig: 'viiii',
|
|
godot_js_display_setup_canvas: function (p_width, p_height, p_fullscreen, p_hidpi) {
|
|
const canvas = GodotConfig.canvas;
|
|
GodotDisplayListeners.add(canvas, 'contextmenu', function (ev) {
|
|
ev.preventDefault();
|
|
}, false);
|
|
GodotDisplayListeners.add(canvas, 'webglcontextlost', function (ev) {
|
|
alert('WebGL context lost, please reload the page'); // eslint-disable-line no-alert
|
|
ev.preventDefault();
|
|
}, false);
|
|
GodotDisplayScreen.hidpi = !!p_hidpi;
|
|
switch (GodotConfig.canvas_resize_policy) {
|
|
case 0: // None
|
|
GodotDisplayScreen.desired_size = [canvas.width, canvas.height];
|
|
break;
|
|
case 1: // Project
|
|
GodotDisplayScreen.desired_size = [p_width, p_height];
|
|
break;
|
|
default: // Full window
|
|
// Ensure we display in the right place, the size will be handled by updateSize
|
|
canvas.style.position = 'absolute';
|
|
canvas.style.top = 0;
|
|
canvas.style.left = 0;
|
|
break;
|
|
}
|
|
GodotDisplayScreen.updateSize();
|
|
if (p_fullscreen) {
|
|
GodotDisplayScreen.requestFullscreen();
|
|
}
|
|
},
|
|
|
|
/*
|
|
* Virtual Keyboard
|
|
*/
|
|
godot_js_display_vk_show__sig: 'viiii',
|
|
godot_js_display_vk_show: function (p_text, p_multiline, p_start, p_end) {
|
|
const text = GodotRuntime.parseString(p_text);
|
|
const start = p_start > 0 ? p_start : 0;
|
|
const end = p_end > 0 ? p_end : start;
|
|
GodotDisplayVK.show(text, p_multiline, start, end);
|
|
},
|
|
|
|
godot_js_display_vk_hide__sig: 'v',
|
|
godot_js_display_vk_hide: function () {
|
|
GodotDisplayVK.hide();
|
|
},
|
|
|
|
godot_js_display_vk_available__sig: 'i',
|
|
godot_js_display_vk_available: function () {
|
|
return GodotDisplayVK.available();
|
|
},
|
|
|
|
godot_js_display_vk_cb__sig: 'vi',
|
|
godot_js_display_vk_cb: function (p_input_cb) {
|
|
const input_cb = GodotRuntime.get_func(p_input_cb);
|
|
if (GodotDisplayVK.available()) {
|
|
GodotDisplayVK.init(input_cb);
|
|
}
|
|
},
|
|
|
|
/*
|
|
* Gamepads
|
|
*/
|
|
godot_js_display_gamepad_cb__sig: 'vi',
|
|
godot_js_display_gamepad_cb: function (change_cb) {
|
|
const onchange = GodotRuntime.get_func(change_cb);
|
|
GodotDisplayGamepads.init(onchange);
|
|
},
|
|
|
|
godot_js_display_gamepad_sample_count__sig: 'i',
|
|
godot_js_display_gamepad_sample_count: function () {
|
|
return GodotDisplayGamepads.get_samples().length;
|
|
},
|
|
|
|
godot_js_display_gamepad_sample__sig: 'i',
|
|
godot_js_display_gamepad_sample: function () {
|
|
GodotDisplayGamepads.sample();
|
|
return 0;
|
|
},
|
|
|
|
godot_js_display_gamepad_sample_get__sig: 'iiiiiii',
|
|
godot_js_display_gamepad_sample_get: function (p_index, r_btns, r_btns_num, r_axes, r_axes_num, r_standard) {
|
|
const sample = GodotDisplayGamepads.get_sample(p_index);
|
|
if (!sample || !sample.connected) {
|
|
return 1;
|
|
}
|
|
const btns = sample.buttons;
|
|
const btns_len = btns.length < 16 ? btns.length : 16;
|
|
for (let i = 0; i < btns_len; i++) {
|
|
GodotRuntime.setHeapValue(r_btns + (i << 2), btns[i], 'float');
|
|
}
|
|
GodotRuntime.setHeapValue(r_btns_num, btns_len, 'i32');
|
|
const axes = sample.axes;
|
|
const axes_len = axes.length < 10 ? axes.length : 10;
|
|
for (let i = 0; i < axes_len; i++) {
|
|
GodotRuntime.setHeapValue(r_axes + (i << 2), axes[i], 'float');
|
|
}
|
|
GodotRuntime.setHeapValue(r_axes_num, axes_len, 'i32');
|
|
const is_standard = sample.standard ? 1 : 0;
|
|
GodotRuntime.setHeapValue(r_standard, is_standard, 'i32');
|
|
return 0;
|
|
},
|
|
};
|
|
|
|
autoAddDeps(GodotDisplay, '$GodotDisplay');
|
|
mergeInto(LibraryManager.library, GodotDisplay);
|