From c494e442bcc1fab9b31c0031c517ac1375ab1625 Mon Sep 17 00:00:00 2001 From: Fabio Alessandrelli Date: Sun, 12 Sep 2021 13:01:15 +0200 Subject: [PATCH] [HTML5] Refactor display/input JS library code. --- .../javascript/display_server_javascript.cpp | 25 +- platform/javascript/godot_js.h | 30 +- .../js/libs/library_godot_display.js | 379 +--------------- .../javascript/js/libs/library_godot_input.js | 415 +++++++++++++++++- 4 files changed, 435 insertions(+), 414 deletions(-) diff --git a/platform/javascript/display_server_javascript.cpp b/platform/javascript/display_server_javascript.cpp index 54dce44fec..c2eb826db9 100644 --- a/platform/javascript/display_server_javascript.cpp +++ b/platform/javascript/display_server_javascript.cpp @@ -543,14 +543,14 @@ void DisplayServerJavaScript::gamepad_callback(int p_index, int p_connected, con void DisplayServerJavaScript::process_joypads() { Input *input = Input::get_singleton(); - int32_t pads = godot_js_display_gamepad_sample_count(); + int32_t pads = godot_js_input_gamepad_sample_count(); int32_t s_btns_num = 0; int32_t s_axes_num = 0; int32_t s_standard = 0; float s_btns[16]; float s_axes[10]; for (int idx = 0; idx < pads; idx++) { - int err = godot_js_display_gamepad_sample_get(idx, s_btns, &s_btns_num, s_axes, &s_axes_num, &s_standard); + int err = godot_js_input_gamepad_sample_get(idx, s_btns, &s_btns_num, s_axes, &s_axes_num, &s_standard); if (err) { continue; } @@ -713,11 +713,17 @@ DisplayServerJavaScript::DisplayServerJavaScript(const String &p_rendering_drive video_driver_index = p_video_driver; #endif - godot_js_display_mouse_button_cb(&DisplayServerJavaScript::mouse_button_callback); - godot_js_display_mouse_move_cb(&DisplayServerJavaScript::mouse_move_callback); - godot_js_display_mouse_wheel_cb(&DisplayServerJavaScript::mouse_wheel_callback); - godot_js_display_touch_cb(&DisplayServerJavaScript::touch_callback, touch_event.identifier, touch_event.coords); - godot_js_display_key_cb(&DisplayServerJavaScript::key_callback, key_event.code, key_event.key); + // JS Input interface (js/libs/library_godot_input.js) + godot_js_input_mouse_button_cb(&DisplayServerJavaScript::mouse_button_callback); + godot_js_input_mouse_move_cb(&DisplayServerJavaScript::mouse_move_callback); + godot_js_input_mouse_wheel_cb(&DisplayServerJavaScript::mouse_wheel_callback); + godot_js_input_touch_cb(&DisplayServerJavaScript::touch_callback, touch_event.identifier, touch_event.coords); + godot_js_input_key_cb(&DisplayServerJavaScript::key_callback, key_event.code, key_event.key); + godot_js_input_paste_cb(update_clipboard_callback); + godot_js_input_drop_files_cb(drop_files_js_callback); + godot_js_input_gamepad_cb(&DisplayServerJavaScript::gamepad_callback); + + // JS Display interface (js/libs/library_godot_display.js) godot_js_display_fullscreen_cb(&DisplayServerJavaScript::fullscreen_change_callback); godot_js_display_window_blur_cb(&window_blur_callback); godot_js_display_notification_cb(&send_window_event_callback, @@ -725,9 +731,6 @@ DisplayServerJavaScript::DisplayServerJavaScript(const String &p_rendering_drive WINDOW_EVENT_MOUSE_EXIT, WINDOW_EVENT_FOCUS_IN, WINDOW_EVENT_FOCUS_OUT); - godot_js_display_paste_cb(update_clipboard_callback); - godot_js_display_drop_files_cb(drop_files_js_callback); - godot_js_display_gamepad_cb(&DisplayServerJavaScript::gamepad_callback); godot_js_display_vk_cb(&vk_input_text_callback); Input::get_singleton()->set_event_dispatch_function(_dispatch_input_event); @@ -950,7 +953,7 @@ bool DisplayServerJavaScript::can_any_window_draw() const { void DisplayServerJavaScript::process_events() { Input::get_singleton()->flush_buffered_events(); - if (godot_js_display_gamepad_sample() == OK) { + if (godot_js_input_gamepad_sample() == OK) { process_joypads(); } } diff --git a/platform/javascript/godot_js.h b/platform/javascript/godot_js.h index 3e0e747b26..8051b270e6 100644 --- a/platform/javascript/godot_js.h +++ b/platform/javascript/godot_js.h @@ -50,12 +50,28 @@ extern int godot_js_os_execute(const char *p_json); extern void godot_js_os_shell_open(const char *p_uri); extern int godot_js_os_hw_concurrency_get(); +// Input +extern void godot_js_input_mouse_button_cb(int (*p_callback)(int p_pressed, int p_button, double p_x, double p_y, int p_modifiers)); +extern void godot_js_input_mouse_move_cb(void (*p_callback)(double p_x, double p_y, double p_rel_x, double p_rel_y, int p_modifiers)); +extern void godot_js_input_mouse_wheel_cb(int (*p_callback)(double p_delta_x, double p_delta_y)); +extern void godot_js_input_touch_cb(void (*p_callback)(int p_type, int p_count), uint32_t *r_identifiers, double *r_coords); +extern void godot_js_input_key_cb(void (*p_callback)(int p_type, int p_repeat, int p_modifiers), char r_code[32], char r_key[32]); + +// Input gamepad +extern void godot_js_input_gamepad_cb(void (*p_on_change)(int p_index, int p_connected, const char *p_id, const char *p_guid)); +extern int godot_js_input_gamepad_sample(); +extern int godot_js_input_gamepad_sample_count(); +extern int godot_js_input_gamepad_sample_get(int p_idx, float r_btns[16], int32_t *r_btns_num, float r_axes[10], int32_t *r_axes_num, int32_t *r_standard); +extern void godot_js_input_paste_cb(void (*p_callback)(const char *p_text)); +extern void godot_js_input_drop_files_cb(void (*p_callback)(char **p_filev, int p_filec)); + // Display extern int godot_js_display_screen_dpi_get(); extern double godot_js_display_pixel_ratio_get(); extern void godot_js_display_alert(const char *p_text); extern int godot_js_display_touchscreen_is_available(); extern int godot_js_display_is_swap_ok_cancel(); +extern void godot_js_display_setup_canvas(int p_width, int p_height, int p_fullscreen, int p_hidpi); // Display canvas extern void godot_js_display_canvas_focus(); @@ -84,24 +100,10 @@ extern void godot_js_display_cursor_set_visible(int p_visible); extern void godot_js_display_cursor_lock_set(int p_lock); extern int godot_js_display_cursor_is_locked(); -// Display gamepad -extern void godot_js_display_gamepad_cb(void (*p_on_change)(int p_index, int p_connected, const char *p_id, const char *p_guid)); -extern int godot_js_display_gamepad_sample(); -extern int godot_js_display_gamepad_sample_count(); -extern int godot_js_display_gamepad_sample_get(int p_idx, float r_btns[16], int32_t *r_btns_num, float r_axes[10], int32_t *r_axes_num, int32_t *r_standard); - // Display listeners -extern void godot_js_display_mouse_button_cb(int (*p_callback)(int p_pressed, int p_button, double p_x, double p_y, int p_modifiers)); -extern void godot_js_display_mouse_move_cb(void (*p_callback)(double p_x, double p_y, double p_rel_x, double p_rel_y, int p_modifiers)); -extern void godot_js_display_mouse_wheel_cb(int (*p_callback)(double p_delta_x, double p_delta_y)); -extern void godot_js_display_touch_cb(void (*p_callback)(int p_type, int p_count), uint32_t *r_identifiers, double *r_coords); -extern void godot_js_display_key_cb(void (*p_callback)(int p_type, int p_repeat, int p_modifiers), char r_code[32], char r_key[32]); extern void godot_js_display_fullscreen_cb(void (*p_callback)(int p_fullscreen)); extern void godot_js_display_window_blur_cb(void (*p_callback)()); extern void godot_js_display_notification_cb(void (*p_callback)(int p_notification), int p_enter, int p_exit, int p_in, int p_out); -extern void godot_js_display_paste_cb(void (*p_callback)(const char *p_text)); -extern void godot_js_display_drop_files_cb(void (*p_callback)(char **p_filev, int p_filec)); -extern void godot_js_display_setup_canvas(int p_width, int p_height, int p_fullscreen, int p_hidpi); // Display Virtual Keyboard extern int godot_js_display_vk_available(); diff --git a/platform/javascript/js/libs/library_godot_display.js b/platform/javascript/js/libs/library_godot_display.js index fa129f0e56..17d65b5906 100644 --- a/platform/javascript/js/libs/library_godot_display.js +++ b/platform/javascript/js/libs/library_godot_display.js @@ -68,181 +68,6 @@ const GodotDisplayListeners = { }; 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'], @@ -394,133 +219,6 @@ const GodotDisplayCursor = { }; 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: { @@ -636,7 +334,7 @@ mergeInto(LibraryManager.library, GodotDisplayScreen); * Exposes all the functions needed by DisplayServer implementation. */ const GodotDisplay = { - $GodotDisplay__deps: ['$GodotConfig', '$GodotRuntime', '$GodotDisplayCursor', '$GodotDisplayListeners', '$GodotDisplayDragDrop', '$GodotDisplayGamepads', '$GodotDisplayScreen', '$GodotDisplayVK'], + $GodotDisplay__deps: ['$GodotConfig', '$GodotRuntime', '$GodotDisplayCursor', '$GodotDisplayListeners', '$GodotDisplayScreen', '$GodotDisplayVK'], $GodotDisplay: { window_icon: '', findDPI: function () { @@ -915,38 +613,6 @@ const GodotDisplay = { }); }, - 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; @@ -1006,49 +672,6 @@ const GodotDisplay = { 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'); diff --git a/platform/javascript/js/libs/library_godot_input.js b/platform/javascript/js/libs/library_godot_input.js index 279aa8f012..6cd8106917 100644 --- a/platform/javascript/js/libs/library_godot_input.js +++ b/platform/javascript/js/libs/library_godot_input.js @@ -28,8 +28,313 @@ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ +/* + * Gamepad API helper. + */ +const GodotInputGamepads = { + $GodotInputGamepads__deps: ['$GodotRuntime', '$GodotDisplayListeners'], + $GodotInputGamepads: { + 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 GodotInputGamepads.samples; + }, + + get_sample: function (index) { + const samples = GodotInputGamepads.samples; + return index < samples.length ? samples[index] : null; + }, + + sample: function () { + const pads = GodotInputGamepads.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); + } + GodotInputGamepads.samples = samples; + }, + + init: function (onchange) { + GodotDisplayListeners.samples = []; + function add(pad) { + const guid = GodotInputGamepads.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 = GodotInputGamepads.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, GodotInputGamepads); + +/* + * Drag and drop helper. + * 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 GodotInputDragDrop = { + $GodotInputDragDrop__deps: ['$FS', '$GodotFS'], + $GodotInputDragDrop: { + promises: [], + pending_files: [], + + add_entry: function (entry) { + if (entry.isDirectory) { + GodotInputDragDrop.add_dir(entry); + } else if (entry.isFile) { + GodotInputDragDrop.add_file(entry); + } else { + GodotRuntime.error('Unrecognized entry...', entry); + } + }, + + add_dir: function (entry) { + GodotInputDragDrop.promises.push(new Promise(function (resolve, reject) { + const reader = entry.createReader(); + reader.readEntries(function (entries) { + for (let i = 0; i < entries.length; i++) { + GodotInputDragDrop.add_entry(entries[i]); + } + resolve(); + }); + })); + }, + + add_file: function (entry) { + GodotInputDragDrop.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']; + } + GodotInputDragDrop.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 (GodotInputDragDrop.promises.length === 0) { + resolve(); + return; + } + GodotInputDragDrop.promises.pop().then(function () { + setTimeout(function () { + GodotInputDragDrop.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) { + GodotInputDragDrop.add_entry(entry); + } + } + } else { + GodotRuntime.error('File upload not supported'); + } + new Promise(GodotInputDragDrop.process).then(function () { + const DROP = `/tmp/drop-${parseInt(Math.random() * (1 << 30), 10)}/`; + const drops = []; + const files = []; + FS.mkdir(DROP); + GodotInputDragDrop.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); + }); + GodotInputDragDrop.promises = []; + GodotInputDragDrop.pending_files = []; + callback(drops); + if (GodotConfig.persistent_drops) { + // Delay removal at exit. + GodotOS.atexit(function (resolve, reject) { + GodotInputDragDrop.remove_drop(files, DROP); + resolve(); + }); + } else { + GodotInputDragDrop.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) { + GodotInputDragDrop._process_event(ev, callback); + }; + }, + }, +}; +mergeInto(LibraryManager.library, GodotInputDragDrop); + +/* + * Godot exposed input functions. + */ const GodotInput = { - $GodotInput__deps: ['$GodotRuntime', '$GodotConfig', '$GodotDisplayListeners'], + $GodotInput__deps: ['$GodotRuntime', '$GodotConfig', '$GodotDisplayListeners', '$GodotInputGamepads', '$GodotInputDragDrop'], $GodotInput: { getModifiers: function (evt) { return (evt.shiftKey + 0) + ((evt.altKey + 0) << 1) + ((evt.ctrlKey + 0) << 2) + ((evt.metaKey + 0) << 3); @@ -44,8 +349,11 @@ const GodotInput = { }, }, - godot_js_display_mouse_move_cb__sig: 'vi', - godot_js_display_mouse_move_cb: function (callback) { + /* + * Mouse API + */ + godot_js_input_mouse_move_cb__sig: 'vi', + godot_js_input_mouse_move_cb: function (callback) { const func = GodotRuntime.get_func(callback); const canvas = GodotConfig.canvas; function move_cb(evt) { @@ -62,8 +370,8 @@ const GodotInput = { GodotDisplayListeners.add(window, 'mousemove', move_cb, false); }, - godot_js_display_mouse_wheel_cb__sig: 'vi', - godot_js_display_mouse_wheel_cb: function (callback) { + godot_js_input_mouse_wheel_cb__sig: 'vi', + godot_js_input_mouse_wheel_cb: function (callback) { const func = GodotRuntime.get_func(callback); function wheel_cb(evt) { if (func(evt['deltaX'] || 0, evt['deltaY'] || 0)) { @@ -73,8 +381,8 @@ const GodotInput = { GodotDisplayListeners.add(GodotConfig.canvas, 'wheel', wheel_cb, false); }, - godot_js_display_mouse_button_cb__sig: 'vi', - godot_js_display_mouse_button_cb: function (callback) { + godot_js_input_mouse_button_cb__sig: 'vi', + godot_js_input_mouse_button_cb: function (callback) { const func = GodotRuntime.get_func(callback); const canvas = GodotConfig.canvas; function button_cb(p_pressed, evt) { @@ -89,8 +397,11 @@ const GodotInput = { GodotDisplayListeners.add(window, 'mouseup', button_cb.bind(null, 0), false); }, - godot_js_display_touch_cb__sig: 'viii', - godot_js_display_touch_cb: function (callback, ids, coords) { + /* + * Touch API + */ + godot_js_input_touch_cb__sig: 'viii', + godot_js_input_touch_cb: function (callback, ids, coords) { const func = GodotRuntime.get_func(callback); const canvas = GodotConfig.canvas; function touch_cb(type, evt) { @@ -114,8 +425,11 @@ const GodotInput = { GodotDisplayListeners.add(canvas, 'touchmove', touch_cb.bind(null, 2), false); }, - godot_js_display_key_cb__sig: 'viii', - godot_js_display_key_cb: function (callback, code, key) { + /* + * Key API + */ + godot_js_input_key_cb__sig: 'viii', + godot_js_input_key_cb: function (callback, code, key) { const func = GodotRuntime.get_func(callback); function key_cb(pressed, evt) { const modifiers = GodotInput.getModifiers(evt); @@ -127,6 +441,85 @@ const GodotInput = { GodotDisplayListeners.add(GodotConfig.canvas, 'keydown', key_cb.bind(null, 1), false); GodotDisplayListeners.add(GodotConfig.canvas, 'keyup', key_cb.bind(null, 0), false); }, + + /* + * Gamepad API + */ + godot_js_input_gamepad_cb__sig: 'vi', + godot_js_input_gamepad_cb: function (change_cb) { + const onchange = GodotRuntime.get_func(change_cb); + GodotInputGamepads.init(onchange); + }, + + godot_js_input_gamepad_sample_count__sig: 'i', + godot_js_input_gamepad_sample_count: function () { + return GodotInputGamepads.get_samples().length; + }, + + godot_js_input_gamepad_sample__sig: 'i', + godot_js_input_gamepad_sample: function () { + GodotInputGamepads.sample(); + 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');