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@@ -28,8 +28,313 @@
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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+/*
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+ * Gamepad API helper.
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+ */
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+const GodotInputGamepads = {
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+ $GodotInputGamepads__deps: ['$GodotRuntime', '$GodotDisplayListeners'],
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+ $GodotInputGamepads: {
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+ samples: [],
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+
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+ get_pads: function () {
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+ try {
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+ // Will throw in iframe when permission is denied.
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+ // Will throw/warn in the future for insecure contexts.
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+ // See https://github.com/w3c/gamepad/pull/120
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+ const pads = navigator.getGamepads();
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+ if (pads) {
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+ return pads;
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+ }
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+ return [];
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+ } catch (e) {
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+ return [];
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+ }
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+ },
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+
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+ get_samples: function () {
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+ return GodotInputGamepads.samples;
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+ },
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+
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+ get_sample: function (index) {
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+ const samples = GodotInputGamepads.samples;
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+ return index < samples.length ? samples[index] : null;
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+ },
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+
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+ sample: function () {
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+ const pads = GodotInputGamepads.get_pads();
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+ const samples = [];
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+ for (let i = 0; i < pads.length; i++) {
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+ const pad = pads[i];
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+ if (!pad) {
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+ samples.push(null);
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+ continue;
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+ }
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+ const s = {
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+ standard: pad.mapping === 'standard',
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+ buttons: [],
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+ axes: [],
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+ connected: pad.connected,
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+ };
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+ for (let b = 0; b < pad.buttons.length; b++) {
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+ s.buttons.push(pad.buttons[b].value);
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+ }
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+ for (let a = 0; a < pad.axes.length; a++) {
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+ s.axes.push(pad.axes[a]);
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+ }
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+ samples.push(s);
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+ }
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+ GodotInputGamepads.samples = samples;
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+ },
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+
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+ init: function (onchange) {
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+ GodotDisplayListeners.samples = [];
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+ function add(pad) {
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+ const guid = GodotInputGamepads.get_guid(pad);
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+ const c_id = GodotRuntime.allocString(pad.id);
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+ const c_guid = GodotRuntime.allocString(guid);
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+ onchange(pad.index, 1, c_id, c_guid);
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+ GodotRuntime.free(c_id);
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+ GodotRuntime.free(c_guid);
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+ }
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+ const pads = GodotInputGamepads.get_pads();
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+ for (let i = 0; i < pads.length; i++) {
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+ // Might be reserved space.
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+ if (pads[i]) {
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+ add(pads[i]);
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+ }
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+ }
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+ GodotDisplayListeners.add(window, 'gamepadconnected', function (evt) {
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+ add(evt.gamepad);
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+ }, false);
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+ GodotDisplayListeners.add(window, 'gamepaddisconnected', function (evt) {
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+ onchange(evt.gamepad.index, 0);
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+ }, false);
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+ },
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+
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+ get_guid: function (pad) {
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+ if (pad.mapping) {
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+ return pad.mapping;
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+ }
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+ const ua = navigator.userAgent;
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+ let os = 'Unknown';
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+ if (ua.indexOf('Android') >= 0) {
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+ os = 'Android';
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+ } else if (ua.indexOf('Linux') >= 0) {
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+ os = 'Linux';
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+ } else if (ua.indexOf('iPhone') >= 0) {
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+ os = 'iOS';
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+ } else if (ua.indexOf('Macintosh') >= 0) {
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+ // Updated iPads will fall into this category.
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+ os = 'MacOSX';
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+ } else if (ua.indexOf('Windows') >= 0) {
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+ os = 'Windows';
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+ }
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+
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+ const id = pad.id;
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+ // Chrom* style: NAME (Vendor: xxxx Product: xxxx)
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+ const exp1 = /vendor: ([0-9a-f]{4}) product: ([0-9a-f]{4})/i;
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+ // Firefox/Safari style (safari may remove leading zeores)
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+ const exp2 = /^([0-9a-f]+)-([0-9a-f]+)-/i;
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+ let vendor = '';
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+ let product = '';
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+ if (exp1.test(id)) {
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+ const match = exp1.exec(id);
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+ vendor = match[1].padStart(4, '0');
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+ product = match[2].padStart(4, '0');
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+ } else if (exp2.test(id)) {
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+ const match = exp2.exec(id);
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+ vendor = match[1].padStart(4, '0');
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+ product = match[2].padStart(4, '0');
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+ }
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+ if (!vendor || !product) {
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+ return `${os}Unknown`;
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+ }
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+ return os + vendor + product;
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+ },
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+ },
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+};
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+mergeInto(LibraryManager.library, GodotInputGamepads);
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+
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+/*
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+ * Drag and drop helper.
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+ * This is pretty big, but basically detect dropped files on GodotConfig.canvas,
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+ * process them one by one (recursively for directories), and copies them to
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+ * the temporary FS path '/tmp/drop-[random]/' so it can be emitted as a godot
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+ * event (that requires a string array of paths).
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+ *
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+ * NOTE: The temporary files are removed after the callback. This means that
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+ * deferred callbacks won't be able to access the files.
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+ */
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+const GodotInputDragDrop = {
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+ $GodotInputDragDrop__deps: ['$FS', '$GodotFS'],
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+ $GodotInputDragDrop: {
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+ promises: [],
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+ pending_files: [],
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+
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+ add_entry: function (entry) {
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+ if (entry.isDirectory) {
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+ GodotInputDragDrop.add_dir(entry);
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+ } else if (entry.isFile) {
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+ GodotInputDragDrop.add_file(entry);
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+ } else {
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+ GodotRuntime.error('Unrecognized entry...', entry);
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+ }
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+ },
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+
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+ add_dir: function (entry) {
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+ GodotInputDragDrop.promises.push(new Promise(function (resolve, reject) {
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+ const reader = entry.createReader();
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+ reader.readEntries(function (entries) {
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+ for (let i = 0; i < entries.length; i++) {
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+ GodotInputDragDrop.add_entry(entries[i]);
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+ }
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+ resolve();
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+ });
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+ }));
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+ },
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+
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+ add_file: function (entry) {
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+ GodotInputDragDrop.promises.push(new Promise(function (resolve, reject) {
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+ entry.file(function (file) {
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+ const reader = new FileReader();
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+ reader.onload = function () {
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+ const f = {
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+ 'path': file.relativePath || file.webkitRelativePath,
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+ 'name': file.name,
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+ 'type': file.type,
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+ 'size': file.size,
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+ 'data': reader.result,
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+ };
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+ if (!f['path']) {
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+ f['path'] = f['name'];
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+ }
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+ GodotInputDragDrop.pending_files.push(f);
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+ resolve();
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+ };
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+ reader.onerror = function () {
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+ GodotRuntime.print('Error reading file');
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+ reject();
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+ };
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+ reader.readAsArrayBuffer(file);
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+ }, function (err) {
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+ GodotRuntime.print('Error!');
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+ reject();
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+ });
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+ }));
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+ },
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+
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+ process: function (resolve, reject) {
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+ if (GodotInputDragDrop.promises.length === 0) {
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+ resolve();
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+ return;
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+ }
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+ GodotInputDragDrop.promises.pop().then(function () {
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+ setTimeout(function () {
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+ GodotInputDragDrop.process(resolve, reject);
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+ }, 0);
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+ });
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+ },
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+
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+ _process_event: function (ev, callback) {
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+ ev.preventDefault();
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+ if (ev.dataTransfer.items) {
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+ // Use DataTransferItemList interface to access the file(s)
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+ for (let i = 0; i < ev.dataTransfer.items.length; i++) {
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+ const item = ev.dataTransfer.items[i];
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+ let entry = null;
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+ if ('getAsEntry' in item) {
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+ entry = item.getAsEntry();
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+ } else if ('webkitGetAsEntry' in item) {
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+ entry = item.webkitGetAsEntry();
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+ }
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+ if (entry) {
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+ GodotInputDragDrop.add_entry(entry);
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+ }
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+ }
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+ } else {
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+ GodotRuntime.error('File upload not supported');
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+ }
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+ new Promise(GodotInputDragDrop.process).then(function () {
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+ const DROP = `/tmp/drop-${parseInt(Math.random() * (1 << 30), 10)}/`;
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+ const drops = [];
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+ const files = [];
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+ FS.mkdir(DROP);
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+ GodotInputDragDrop.pending_files.forEach((elem) => {
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+ const path = elem['path'];
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+ GodotFS.copy_to_fs(DROP + path, elem['data']);
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+ let idx = path.indexOf('/');
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+ if (idx === -1) {
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+ // Root file
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+ drops.push(DROP + path);
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+ } else {
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+ // Subdir
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+ const sub = path.substr(0, idx);
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+ idx = sub.indexOf('/');
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+ if (idx < 0 && drops.indexOf(DROP + sub) === -1) {
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+ drops.push(DROP + sub);
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+ }
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+ }
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+ files.push(DROP + path);
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+ });
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+ GodotInputDragDrop.promises = [];
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+ GodotInputDragDrop.pending_files = [];
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+ callback(drops);
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+ if (GodotConfig.persistent_drops) {
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+ // Delay removal at exit.
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+ GodotOS.atexit(function (resolve, reject) {
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+ GodotInputDragDrop.remove_drop(files, DROP);
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+ resolve();
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+ });
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+ } else {
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+ GodotInputDragDrop.remove_drop(files, DROP);
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+ }
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+ });
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+ },
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+
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+ remove_drop: function (files, drop_path) {
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+ const dirs = [drop_path.substr(0, drop_path.length - 1)];
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+ // Remove temporary files
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+ files.forEach(function (file) {
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+ FS.unlink(file);
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+ let dir = file.replace(drop_path, '');
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+ let idx = dir.lastIndexOf('/');
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+ while (idx > 0) {
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+ dir = dir.substr(0, idx);
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+ if (dirs.indexOf(drop_path + dir) === -1) {
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+ dirs.push(drop_path + dir);
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+ }
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+ idx = dir.lastIndexOf('/');
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+ }
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+ });
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+ // Remove dirs.
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+ dirs.sort(function (a, b) {
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+ const al = (a.match(/\//g) || []).length;
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+ const bl = (b.match(/\//g) || []).length;
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+ if (al > bl) {
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+ return -1;
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+ } else if (al < bl) {
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+ return 1;
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+ }
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+ return 0;
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+ }).forEach(function (dir) {
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+ FS.rmdir(dir);
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+ });
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+ },
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+
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+ handler: function (callback) {
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+ return function (ev) {
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+ GodotInputDragDrop._process_event(ev, callback);
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+ };
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+ },
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+ },
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+};
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+mergeInto(LibraryManager.library, GodotInputDragDrop);
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+
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+/*
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+ * Godot exposed input functions.
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+ */
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const GodotInput = {
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- $GodotInput__deps: ['$GodotRuntime', '$GodotConfig', '$GodotDisplayListeners'],
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+ $GodotInput__deps: ['$GodotRuntime', '$GodotConfig', '$GodotDisplayListeners', '$GodotInputGamepads', '$GodotInputDragDrop'],
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$GodotInput: {
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getModifiers: function (evt) {
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return (evt.shiftKey + 0) + ((evt.altKey + 0) << 1) + ((evt.ctrlKey + 0) << 2) + ((evt.metaKey + 0) << 3);
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@@ -44,8 +349,11 @@ const GodotInput = {
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},
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},
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- godot_js_display_mouse_move_cb__sig: 'vi',
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- godot_js_display_mouse_move_cb: function (callback) {
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+ /*
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+ * Mouse API
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+ */
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+ godot_js_input_mouse_move_cb__sig: 'vi',
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+ godot_js_input_mouse_move_cb: function (callback) {
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const func = GodotRuntime.get_func(callback);
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const canvas = GodotConfig.canvas;
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function move_cb(evt) {
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@@ -62,8 +370,8 @@ const GodotInput = {
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GodotDisplayListeners.add(window, 'mousemove', move_cb, false);
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},
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- godot_js_display_mouse_wheel_cb__sig: 'vi',
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- godot_js_display_mouse_wheel_cb: function (callback) {
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+ godot_js_input_mouse_wheel_cb__sig: 'vi',
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+ godot_js_input_mouse_wheel_cb: function (callback) {
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const func = GodotRuntime.get_func(callback);
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function wheel_cb(evt) {
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if (func(evt['deltaX'] || 0, evt['deltaY'] || 0)) {
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@@ -73,8 +381,8 @@ const GodotInput = {
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GodotDisplayListeners.add(GodotConfig.canvas, 'wheel', wheel_cb, false);
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},
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- godot_js_display_mouse_button_cb__sig: 'vi',
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- godot_js_display_mouse_button_cb: function (callback) {
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+ godot_js_input_mouse_button_cb__sig: 'vi',
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+ godot_js_input_mouse_button_cb: function (callback) {
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const func = GodotRuntime.get_func(callback);
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const canvas = GodotConfig.canvas;
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function button_cb(p_pressed, evt) {
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@@ -89,8 +397,11 @@ const GodotInput = {
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GodotDisplayListeners.add(window, 'mouseup', button_cb.bind(null, 0), false);
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},
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- godot_js_display_touch_cb__sig: 'viii',
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- godot_js_display_touch_cb: function (callback, ids, coords) {
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+ /*
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+ * Touch API
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+ */
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+ godot_js_input_touch_cb__sig: 'viii',
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+ godot_js_input_touch_cb: function (callback, ids, coords) {
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const func = GodotRuntime.get_func(callback);
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const canvas = GodotConfig.canvas;
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function touch_cb(type, evt) {
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@@ -114,8 +425,11 @@ const GodotInput = {
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GodotDisplayListeners.add(canvas, 'touchmove', touch_cb.bind(null, 2), false);
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},
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- godot_js_display_key_cb__sig: 'viii',
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- godot_js_display_key_cb: function (callback, code, key) {
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+ /*
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+ * Key API
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+ */
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+ godot_js_input_key_cb__sig: 'viii',
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+ godot_js_input_key_cb: function (callback, code, key) {
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const func = GodotRuntime.get_func(callback);
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function key_cb(pressed, evt) {
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const modifiers = GodotInput.getModifiers(evt);
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@@ -127,6 +441,85 @@ const GodotInput = {
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GodotDisplayListeners.add(GodotConfig.canvas, 'keydown', key_cb.bind(null, 1), false);
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GodotDisplayListeners.add(GodotConfig.canvas, 'keyup', key_cb.bind(null, 0), false);
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},
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+
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+ /*
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+ * Gamepad API
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+ */
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+ godot_js_input_gamepad_cb__sig: 'vi',
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+ godot_js_input_gamepad_cb: function (change_cb) {
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+ const onchange = GodotRuntime.get_func(change_cb);
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+ GodotInputGamepads.init(onchange);
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+ },
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+
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+ godot_js_input_gamepad_sample_count__sig: 'i',
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+ godot_js_input_gamepad_sample_count: function () {
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+ return GodotInputGamepads.get_samples().length;
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+ },
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+
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+ godot_js_input_gamepad_sample__sig: 'i',
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+ godot_js_input_gamepad_sample: function () {
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+ GodotInputGamepads.sample();
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+ return 0;
|
|
|
+ },
|
|
|
+
|
|
|
+ godot_js_input_gamepad_sample_get__sig: 'iiiiiii',
|
|
|
+ godot_js_input_gamepad_sample_get: function (p_index, r_btns, r_btns_num, r_axes, r_axes_num, r_standard) {
|
|
|
+ const sample = GodotInputGamepads.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;
|
|
|
+ },
|
|
|
+
|
|
|
+ /*
|
|
|
+ * Drag/Drop API
|
|
|
+ */
|
|
|
+ godot_js_input_drop_files_cb__sig: 'vi',
|
|
|
+ godot_js_input_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', GodotInputDragDrop.handler(dropFiles));
|
|
|
+ },
|
|
|
+
|
|
|
+ /* Paste API */
|
|
|
+ godot_js_input_paste_cb__sig: 'vi',
|
|
|
+ godot_js_input_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);
|
|
|
+ },
|
|
|
};
|
|
|
|
|
|
autoAddDeps(GodotInput, '$GodotInput');
|
Fabio Alessandrelli