diff options
Diffstat (limited to 'platform')
-rw-r--r-- | platform/javascript/display_server_javascript.cpp | 80 | ||||
-rw-r--r-- | platform/javascript/display_server_javascript.h | 2 | ||||
-rw-r--r-- | platform/javascript/godot_js.h | 6 | ||||
-rw-r--r-- | platform/javascript/js/libs/library_godot_display.js | 172 |
4 files changed, 213 insertions, 47 deletions
diff --git a/platform/javascript/display_server_javascript.cpp b/platform/javascript/display_server_javascript.cpp index f10627b0b6..915e8eeacf 100644 --- a/platform/javascript/display_server_javascript.cpp +++ b/platform/javascript/display_server_javascript.cpp @@ -558,57 +558,51 @@ bool DisplayServerJavaScript::screen_is_touchscreen(int p_screen) const { } // Gamepad - -EM_BOOL DisplayServerJavaScript::gamepad_change_callback(int p_event_type, const EmscriptenGamepadEvent *p_event, void *p_user_data) { +void DisplayServerJavaScript::gamepad_callback(int p_index, int p_connected, const char *p_id, const char *p_guid) { Input *input = Input::get_singleton(); - if (p_event_type == EMSCRIPTEN_EVENT_GAMEPADCONNECTED) { - String guid = ""; - if (String::utf8(p_event->mapping) == "standard") - guid = "Default HTML5 Gamepad"; - input->joy_connection_changed(p_event->index, true, String::utf8(p_event->id), guid); + if (p_connected) { + input->joy_connection_changed(p_index, true, String::utf8(p_id), String::utf8(p_guid)); } else { - input->joy_connection_changed(p_event->index, false, ""); + input->joy_connection_changed(p_index, false, ""); } - return true; } void DisplayServerJavaScript::process_joypads() { - int joypad_count = emscripten_get_num_gamepads(); Input *input = Input::get_singleton(); - for (int joypad = 0; joypad < joypad_count; joypad++) { - EmscriptenGamepadEvent state; - EMSCRIPTEN_RESULT query_result = emscripten_get_gamepad_status(joypad, &state); - // Chromium reserves gamepads slots, so NO_DATA is an expected result. - ERR_CONTINUE(query_result != EMSCRIPTEN_RESULT_SUCCESS && - query_result != EMSCRIPTEN_RESULT_NO_DATA); - if (query_result == EMSCRIPTEN_RESULT_SUCCESS && state.connected) { - int button_count = MIN(state.numButtons, 18); - int axis_count = MIN(state.numAxes, 8); - for (int button = 0; button < button_count; button++) { - float value = state.analogButton[button]; - input->joy_button(joypad, button, value); - } - for (int axis = 0; axis < axis_count; axis++) { + int32_t pads = godot_js_display_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); + if (err) { + continue; + } + for (int b = 0; b < s_btns_num; b++) { + float value = s_btns[b]; + // Buttons 6 and 7 in the standard mapping need to be + // axis to be handled as JOY_AXIS_TRIGGER by Godot. + if (s_standard && (b == 6 || b == 7)) { Input::JoyAxis joy_axis; - joy_axis.min = -1; - joy_axis.value = state.axis[axis]; - input->joy_axis(joypad, axis, joy_axis); + joy_axis.min = 0; + joy_axis.value = value; + int a = b == 6 ? JOY_AXIS_TRIGGER_LEFT : JOY_AXIS_TRIGGER_RIGHT; + input->joy_axis(idx, a, joy_axis); + } else { + input->joy_button(idx, b, value); } } + for (int a = 0; a < s_axes_num; a++) { + Input::JoyAxis joy_axis; + joy_axis.min = -1; + joy_axis.value = s_axes[a]; + input->joy_axis(idx, a, joy_axis); + } } } -#if 0 -bool DisplayServerJavaScript::is_joy_known(int p_device) { - return Input::get_singleton()->is_joy_mapped(p_device); -} - - -String DisplayServerJavaScript::get_joy_guid(int p_device) const { - return Input::get_singleton()->get_joy_guid_remapped(p_device); -} -#endif - Vector<String> DisplayServerJavaScript::get_rendering_drivers_func() { Vector<String> drivers; drivers.push_back("dummy"); @@ -766,9 +760,6 @@ DisplayServerJavaScript::DisplayServerJavaScript(const String &p_rendering_drive #define SET_EM_WINDOW_CALLBACK(ev, cb) \ result = emscripten_set_##ev##_callback(EMSCRIPTEN_EVENT_TARGET_WINDOW, NULL, false, &cb); \ EM_CHECK(ev) -#define SET_EM_CALLBACK_NOTARGET(ev, cb) \ - result = emscripten_set_##ev##_callback(nullptr, true, &cb); \ - EM_CHECK(ev) // These callbacks from Emscripten's html5.h suffice to access most // JavaScript APIs. SET_EM_CALLBACK(canvas_id, mousedown, mouse_button_callback) @@ -783,9 +774,6 @@ DisplayServerJavaScript::DisplayServerJavaScript(const String &p_rendering_drive SET_EM_CALLBACK(canvas_id, keypress, keypress_callback) SET_EM_CALLBACK(canvas_id, keyup, keyup_callback) SET_EM_CALLBACK(EMSCRIPTEN_EVENT_TARGET_DOCUMENT, fullscreenchange, fullscreen_change_callback) - SET_EM_CALLBACK_NOTARGET(gamepadconnected, gamepad_change_callback) - SET_EM_CALLBACK_NOTARGET(gamepaddisconnected, gamepad_change_callback) -#undef SET_EM_CALLBACK_NOTARGET #undef SET_EM_CALLBACK #undef EM_CHECK @@ -798,6 +786,7 @@ DisplayServerJavaScript::DisplayServerJavaScript(const String &p_rendering_drive 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); Input::get_singleton()->set_event_dispatch_function(_dispatch_input_event); } @@ -1026,8 +1015,9 @@ bool DisplayServerJavaScript::can_any_window_draw() const { } void DisplayServerJavaScript::process_events() { - if (emscripten_sample_gamepad_data() == EMSCRIPTEN_RESULT_SUCCESS) + if (godot_js_display_gamepad_sample() == OK) { process_joypads(); + } } int DisplayServerJavaScript::get_current_video_driver() const { diff --git a/platform/javascript/display_server_javascript.h b/platform/javascript/display_server_javascript.h index 916be1ae45..e28fbc56f3 100644 --- a/platform/javascript/display_server_javascript.h +++ b/platform/javascript/display_server_javascript.h @@ -86,7 +86,7 @@ private: static EM_BOOL touch_press_callback(int p_event_type, const EmscriptenTouchEvent *p_event, void *p_user_data); static EM_BOOL touchmove_callback(int p_event_type, const EmscriptenTouchEvent *p_event, void *p_user_data); - static EM_BOOL gamepad_change_callback(int p_event_type, const EmscriptenGamepadEvent *p_event, void *p_user_data); + static void gamepad_callback(int p_index, int p_connected, const char *p_id, const char *p_guid); void process_joypads(); static Vector<String> get_rendering_drivers_func(); diff --git a/platform/javascript/godot_js.h b/platform/javascript/godot_js.h index 5b98253b08..0006848756 100644 --- a/platform/javascript/godot_js.h +++ b/platform/javascript/godot_js.h @@ -76,6 +76,12 @@ extern int godot_js_display_cursor_is_hidden(); extern void godot_js_display_cursor_set_custom_shape(const char *p_shape, const uint8_t *p_ptr, int p_len, int p_hotspot_x, int p_hotspot_y); extern void godot_js_display_cursor_set_visible(int p_visible); +// Display gamepad +extern char *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_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)); diff --git a/platform/javascript/js/libs/library_godot_display.js b/platform/javascript/js/libs/library_godot_display.js index d1f4d9595b..2977b7c122 100644 --- a/platform/javascript/js/libs/library_godot_display.js +++ b/platform/javascript/js/libs/library_godot_display.js @@ -269,13 +269,140 @@ 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); + /** * Display server interface. * * Exposes all the functions needed by DisplayServer implementation. */ const GodotDisplay = { - $GodotDisplay__deps: ['$GodotConfig', '$GodotRuntime', '$GodotDisplayCursor', '$GodotDisplayListeners', '$GodotDisplayDragDrop'], + $GodotDisplay__deps: ['$GodotConfig', '$GodotRuntime', '$GodotDisplayCursor', '$GodotDisplayListeners', '$GodotDisplayDragDrop', '$GodotDisplayGamepads'], $GodotDisplay: { window_icon: '', }, @@ -491,6 +618,49 @@ const GodotDisplay = { }, false); GodotDisplayListeners.add(canvas, 'drop', GodotDisplayDragDrop.handler(dropFiles)); }, + + /* + * Gamepads + */ + godot_js_display_gamepad_cb__sig: 'vi', + godot_js_display_gamepad_cb: function (change_cb) { + const onchange = GodotRuntime.get_func(change_cb); + GodotDisplayGamepads.init(onchange); + }, + + godot_js_display_gamepad_sample_count__sig: 'i', + godot_js_display_gamepad_sample_count: function () { + return GodotDisplayGamepads.get_samples().length; + }, + + godot_js_display_gamepad_sample__sig: 'i', + godot_js_display_gamepad_sample: function () { + GodotDisplayGamepads.sample(); + return 0; + }, + + godot_js_display_gamepad_sample_get__sig: 'iiiiiii', + godot_js_display_gamepad_sample_get: function (p_index, r_btns, r_btns_num, r_axes, r_axes_num, r_standard) { + const sample = GodotDisplayGamepads.get_sample(p_index); + if (!sample || !sample.connected) { + return 1; + } + const btns = sample.buttons; + const btns_len = btns.length < 16 ? btns.length : 16; + for (let i = 0; i < btns_len; i++) { + GodotRuntime.setHeapValue(r_btns + (i << 2), btns[i], 'float'); + } + GodotRuntime.setHeapValue(r_btns_num, btns_len, 'i32'); + const axes = sample.axes; + const axes_len = axes.length < 10 ? axes.length : 10; + for (let i = 0; i < axes_len; i++) { + GodotRuntime.setHeapValue(r_axes + (i << 2), axes[i], 'float'); + } + GodotRuntime.setHeapValue(r_axes_num, axes_len, 'i32'); + const is_standard = sample.standard ? 1 : 0; + GodotRuntime.setHeapValue(r_standard, is_standard, 'i32'); + return 0; + }, }; autoAddDeps(GodotDisplay, '$GodotDisplay'); |