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- /*
- Copyright (C) 2014 sapier
- Copyright (C) 2018 srifqi, Muhammad Rifqi Priyo Susanto
- <muhammadrifqipriyosusanto@gmail.com>
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
- #include "touchscreengui.h"
- #include "irrlichttypes.h"
- #include "irr_v2d.h"
- #include "log.h"
- #include "client/keycode.h"
- #include "settings.h"
- #include "gettime.h"
- #include "util/numeric.h"
- #include "porting.h"
- #include "client/guiscalingfilter.h"
- #include "client/renderingengine.h"
- #include <iostream>
- #include <algorithm>
- using namespace irr::core;
- const char **button_imagenames = (const char *[]) {
- "jump_btn.png",
- "down.png",
- "zoom.png",
- "aux1_btn.png"
- };
- const char **joystick_imagenames = (const char *[]) {
- "joystick_off.png",
- "joystick_bg.png",
- "joystick_center.png"
- };
- static irr::EKEY_CODE id2keycode(touch_gui_button_id id)
- {
- std::string key = "";
- switch (id) {
- case forward_id:
- key = "forward";
- break;
- case left_id:
- key = "left";
- break;
- case right_id:
- key = "right";
- break;
- case backward_id:
- key = "backward";
- break;
- case inventory_id:
- key = "inventory";
- break;
- case drop_id:
- key = "drop";
- break;
- case jump_id:
- key = "jump";
- break;
- case crunch_id:
- key = "sneak";
- break;
- case zoom_id:
- key = "zoom";
- break;
- case aux1_id:
- key = "aux1";
- break;
- case fly_id:
- key = "freemove";
- break;
- case noclip_id:
- key = "noclip";
- break;
- case fast_id:
- key = "fastmove";
- break;
- case debug_id:
- key = "toggle_debug";
- break;
- case toggle_chat_id:
- key = "toggle_chat";
- break;
- case minimap_id:
- key = "minimap";
- break;
- case chat_id:
- key = "chat";
- break;
- case camera_id:
- key = "camera_mode";
- break;
- case range_id:
- key = "rangeselect";
- break;
- default:
- break;
- }
- assert(!key.empty());
- return keyname_to_keycode(g_settings->get("keymap_" + key).c_str());
- }
- TouchScreenGUI *g_touchscreengui;
- static void load_button_texture(button_info *btn, const char *path,
- const rect<s32> &button_rect, ISimpleTextureSource *tsrc, video::IVideoDriver *driver)
- {
- unsigned int tid;
- video::ITexture *texture = guiScalingImageButton(driver,
- tsrc->getTexture(path, &tid), button_rect.getWidth(),
- button_rect.getHeight());
- if (texture) {
- btn->guibutton->setUseAlphaChannel(true);
- if (g_settings->getBool("gui_scaling_filter")) {
- rect<s32> txr_rect = rect<s32>(0, 0, button_rect.getWidth(), button_rect.getHeight());
- btn->guibutton->setImage(texture, txr_rect);
- btn->guibutton->setPressedImage(texture, txr_rect);
- btn->guibutton->setScaleImage(false);
- } else {
- btn->guibutton->setImage(texture);
- btn->guibutton->setPressedImage(texture);
- btn->guibutton->setScaleImage(true);
- }
- btn->guibutton->setDrawBorder(false);
- btn->guibutton->setText(L"");
- }
- }
- AutoHideButtonBar::AutoHideButtonBar(IrrlichtDevice *device,
- IEventReceiver *receiver) :
- m_driver(device->getVideoDriver()),
- m_guienv(device->getGUIEnvironment()),
- m_receiver(receiver)
- {
- }
- void AutoHideButtonBar::init(ISimpleTextureSource *tsrc,
- const char *starter_img, int button_id, const v2s32 &UpperLeft,
- const v2s32 &LowerRight, autohide_button_bar_dir dir, float timeout)
- {
- m_texturesource = tsrc;
- m_upper_left = UpperLeft;
- m_lower_right = LowerRight;
- // init settings bar
- irr::core::rect<int> current_button = rect<s32>(UpperLeft.X, UpperLeft.Y,
- LowerRight.X, LowerRight.Y);
- m_starter.guibutton = m_guienv->addButton(current_button, nullptr, button_id, L"", nullptr);
- m_starter.guibutton->grab();
- m_starter.repeatcounter = -1;
- m_starter.keycode = KEY_OEM_8; // use invalid keycode as it's not relevant
- m_starter.immediate_release = true;
- m_starter.ids.clear();
- load_button_texture(&m_starter, starter_img, current_button,
- m_texturesource, m_driver);
- m_dir = dir;
- m_timeout_value = timeout;
- m_initialized = true;
- }
- AutoHideButtonBar::~AutoHideButtonBar()
- {
- if (m_starter.guibutton) {
- m_starter.guibutton->setVisible(false);
- m_starter.guibutton->drop();
- }
- }
- void AutoHideButtonBar::addButton(touch_gui_button_id button_id,
- const wchar_t *caption, const char *btn_image)
- {
- if (!m_initialized) {
- errorstream << "AutoHideButtonBar::addButton not yet initialized!"
- << std::endl;
- return;
- }
- int button_size = 0;
- if ((m_dir == AHBB_Dir_Top_Bottom) || (m_dir == AHBB_Dir_Bottom_Top))
- button_size = m_lower_right.X - m_upper_left.X;
- else
- button_size = m_lower_right.Y - m_upper_left.Y;
- irr::core::rect<int> current_button;
- if ((m_dir == AHBB_Dir_Right_Left) || (m_dir == AHBB_Dir_Left_Right)) {
- int x_start = 0;
- int x_end = 0;
- if (m_dir == AHBB_Dir_Left_Right) {
- x_start = m_lower_right.X + (button_size * 1.25 * m_buttons.size())
- + (button_size * 0.25);
- x_end = x_start + button_size;
- } else {
- x_end = m_upper_left.X - (button_size * 1.25 * m_buttons.size())
- - (button_size * 0.25);
- x_start = x_end - button_size;
- }
- current_button = rect<s32>(x_start, m_upper_left.Y, x_end,
- m_lower_right.Y);
- } else {
- double y_start = 0;
- double y_end = 0;
- if (m_dir == AHBB_Dir_Top_Bottom) {
- y_start = m_lower_right.X + (button_size * 1.25 * m_buttons.size())
- + (button_size * 0.25);
- y_end = y_start + button_size;
- } else {
- y_end = m_upper_left.X - (button_size * 1.25 * m_buttons.size())
- - (button_size * 0.25);
- y_start = y_end - button_size;
- }
- current_button = rect<s32>(m_upper_left.X, y_start,
- m_lower_right.Y, y_end);
- }
- auto *btn = new button_info();
- btn->guibutton = m_guienv->addButton(current_button,
- nullptr, button_id, caption, nullptr);
- btn->guibutton->grab();
- btn->guibutton->setVisible(false);
- btn->guibutton->setEnabled(false);
- btn->repeatcounter = -1;
- btn->keycode = id2keycode(button_id);
- btn->immediate_release = true;
- btn->ids.clear();
- load_button_texture(btn, btn_image, current_button, m_texturesource,
- m_driver);
- m_buttons.push_back(btn);
- }
- void AutoHideButtonBar::addToggleButton(touch_gui_button_id button_id,
- const wchar_t *caption, const char *btn_image_1,
- const char *btn_image_2)
- {
- addButton(button_id, caption, btn_image_1);
- button_info *btn = m_buttons.back();
- btn->togglable = 1;
- btn->textures.push_back(btn_image_1);
- btn->textures.push_back(btn_image_2);
- }
- bool AutoHideButtonBar::isButton(const SEvent &event)
- {
- IGUIElement *rootguielement = m_guienv->getRootGUIElement();
- if (rootguielement == nullptr)
- return false;
- gui::IGUIElement *element = rootguielement->getElementFromPoint(
- core::position2d<s32>(event.TouchInput.X, event.TouchInput.Y));
- if (element == nullptr)
- return false;
- if (m_active) {
- // check for all buttons in vector
- auto iter = m_buttons.begin();
- while (iter != m_buttons.end()) {
- if ((*iter)->guibutton == element) {
- auto *translated = new SEvent();
- memset(translated, 0, sizeof(SEvent));
- translated->EventType = irr::EET_KEY_INPUT_EVENT;
- translated->KeyInput.Key = (*iter)->keycode;
- translated->KeyInput.Control = false;
- translated->KeyInput.Shift = false;
- translated->KeyInput.Char = 0;
- // add this event
- translated->KeyInput.PressedDown = true;
- m_receiver->OnEvent(*translated);
- // remove this event
- translated->KeyInput.PressedDown = false;
- m_receiver->OnEvent(*translated);
- delete translated;
- (*iter)->ids.push_back(event.TouchInput.ID);
- m_timeout = 0;
- if ((*iter)->togglable == 1) {
- (*iter)->togglable = 2;
- load_button_texture(*iter, (*iter)->textures[1],
- (*iter)->guibutton->getRelativePosition(),
- m_texturesource, m_driver);
- } else if ((*iter)->togglable == 2) {
- (*iter)->togglable = 1;
- load_button_texture(*iter, (*iter)->textures[0],
- (*iter)->guibutton->getRelativePosition(),
- m_texturesource, m_driver);
- }
- return true;
- }
- ++iter;
- }
- } else {
- // check for starter button only
- if (element == m_starter.guibutton) {
- m_starter.ids.push_back(event.TouchInput.ID);
- m_starter.guibutton->setVisible(false);
- m_starter.guibutton->setEnabled(false);
- m_active = true;
- m_timeout = 0;
- auto iter = m_buttons.begin();
- while (iter != m_buttons.end()) {
- (*iter)->guibutton->setVisible(true);
- (*iter)->guibutton->setEnabled(true);
- ++iter;
- }
- return true;
- }
- }
- return false;
- }
- void AutoHideButtonBar::step(float dtime)
- {
- if (m_active) {
- m_timeout += dtime;
- if (m_timeout > m_timeout_value)
- deactivate();
- }
- }
- void AutoHideButtonBar::deactivate()
- {
- if (m_visible) {
- m_starter.guibutton->setVisible(true);
- m_starter.guibutton->setEnabled(true);
- }
- m_active = false;
- auto iter = m_buttons.begin();
- while (iter != m_buttons.end()) {
- (*iter)->guibutton->setVisible(false);
- (*iter)->guibutton->setEnabled(false);
- ++iter;
- }
- }
- void AutoHideButtonBar::hide()
- {
- m_visible = false;
- m_starter.guibutton->setVisible(false);
- m_starter.guibutton->setEnabled(false);
- auto iter = m_buttons.begin();
- while (iter != m_buttons.end()) {
- (*iter)->guibutton->setVisible(false);
- (*iter)->guibutton->setEnabled(false);
- ++iter;
- }
- }
- void AutoHideButtonBar::show()
- {
- m_visible = true;
- if (m_active) {
- auto iter = m_buttons.begin();
- while (iter != m_buttons.end()) {
- (*iter)->guibutton->setVisible(true);
- (*iter)->guibutton->setEnabled(true);
- ++iter;
- }
- } else {
- m_starter.guibutton->setVisible(true);
- m_starter.guibutton->setEnabled(true);
- }
- }
- TouchScreenGUI::TouchScreenGUI(IrrlichtDevice *device, IEventReceiver *receiver):
- m_device(device),
- m_guienv(device->getGUIEnvironment()),
- m_receiver(receiver),
- m_settingsbar(device, receiver),
- m_rarecontrolsbar(device, receiver)
- {
- for (auto &button : m_buttons) {
- button.guibutton = nullptr;
- button.repeatcounter = -1;
- button.repeatdelay = BUTTON_REPEAT_DELAY;
- }
- m_touchscreen_threshold = g_settings->getU16("touchscreen_threshold");
- m_fixed_joystick = g_settings->getBool("fixed_virtual_joystick");
- m_joystick_triggers_aux1 = g_settings->getBool("virtual_joystick_triggers_aux1");
- m_screensize = m_device->getVideoDriver()->getScreenSize();
- button_size = MYMIN(m_screensize.Y / 4.5f,
- RenderingEngine::getDisplayDensity() *
- g_settings->getFloat("hud_scaling") * 65.0f);
- }
- void TouchScreenGUI::initButton(touch_gui_button_id id, const rect<s32> &button_rect,
- const std::wstring &caption, bool immediate_release, float repeat_delay)
- {
- button_info *btn = &m_buttons[id];
- btn->guibutton = m_guienv->addButton(button_rect, nullptr, id, caption.c_str());
- btn->guibutton->grab();
- btn->repeatcounter = -1;
- btn->repeatdelay = repeat_delay;
- btn->keycode = id2keycode(id);
- btn->immediate_release = immediate_release;
- btn->ids.clear();
- load_button_texture(btn, button_imagenames[id], button_rect,
- m_texturesource, m_device->getVideoDriver());
- }
- button_info *TouchScreenGUI::initJoystickButton(touch_gui_button_id id,
- const rect<s32> &button_rect, int texture_id, bool visible)
- {
- auto *btn = new button_info();
- btn->guibutton = m_guienv->addButton(button_rect, nullptr, id, L"O");
- btn->guibutton->setVisible(visible);
- btn->guibutton->grab();
- btn->ids.clear();
- load_button_texture(btn, joystick_imagenames[texture_id],
- button_rect, m_texturesource, m_device->getVideoDriver());
- return btn;
- }
- void TouchScreenGUI::init(ISimpleTextureSource *tsrc)
- {
- assert(tsrc);
- m_visible = true;
- m_texturesource = tsrc;
- /* Init joystick display "button"
- * Joystick is placed on bottom left of screen.
- */
- if (m_fixed_joystick) {
- m_joystick_btn_off = initJoystickButton(joystick_off_id,
- rect<s32>(button_size,
- m_screensize.Y - button_size * 4,
- button_size * 4,
- m_screensize.Y - button_size), 0);
- } else {
- m_joystick_btn_off = initJoystickButton(joystick_off_id,
- rect<s32>(button_size,
- m_screensize.Y - button_size * 3,
- button_size * 3,
- m_screensize.Y - button_size), 0);
- }
- m_joystick_btn_bg = initJoystickButton(joystick_bg_id,
- rect<s32>(button_size,
- m_screensize.Y - button_size * 4,
- button_size * 4,
- m_screensize.Y - button_size),
- 1, false);
- m_joystick_btn_center = initJoystickButton(joystick_center_id,
- rect<s32>(0, 0, button_size, button_size), 2, false);
- // init jump button
- initButton(jump_id,
- rect<s32>(m_screensize.X - (1.75 * button_size),
- m_screensize.Y - button_size,
- m_screensize.X - (0.25 * button_size),
- m_screensize.Y),
- L"x", false);
- // init crunch button
- initButton(crunch_id,
- rect<s32>(m_screensize.X - (3.25 * button_size),
- m_screensize.Y - button_size,
- m_screensize.X - (1.75 * button_size),
- m_screensize.Y),
- L"H", false);
- // init zoom button
- initButton(zoom_id,
- rect<s32>(m_screensize.X - (1.25 * button_size),
- m_screensize.Y - (4 * button_size),
- m_screensize.X - (0.25 * button_size),
- m_screensize.Y - (3 * button_size)),
- L"z", false);
- // init aux1 button
- if (!m_joystick_triggers_aux1)
- initButton(aux1_id,
- rect<s32>(m_screensize.X - (1.25 * button_size),
- m_screensize.Y - (2.5 * button_size),
- m_screensize.X - (0.25 * button_size),
- m_screensize.Y - (1.5 * button_size)),
- L"spc1", false);
- m_settingsbar.init(m_texturesource, "gear_icon.png", settings_starter_id,
- v2s32(m_screensize.X - (1.25 * button_size),
- m_screensize.Y - ((SETTINGS_BAR_Y_OFFSET + 1.0) * button_size)
- + (0.5 * button_size)),
- v2s32(m_screensize.X - (0.25 * button_size),
- m_screensize.Y - (SETTINGS_BAR_Y_OFFSET * button_size)
- + (0.5 * button_size)),
- AHBB_Dir_Right_Left, 3.0);
- m_settingsbar.addButton(fly_id, L"fly", "fly_btn.png");
- m_settingsbar.addButton(noclip_id, L"noclip", "noclip_btn.png");
- m_settingsbar.addButton(fast_id, L"fast", "fast_btn.png");
- m_settingsbar.addButton(debug_id, L"debug", "debug_btn.png");
- m_settingsbar.addButton(camera_id, L"camera", "camera_btn.png");
- m_settingsbar.addButton(range_id, L"rangeview", "rangeview_btn.png");
- m_settingsbar.addButton(minimap_id, L"minimap", "minimap_btn.png");
- // Chat is shown by default, so chat_hide_btn.png is shown first.
- m_settingsbar.addToggleButton(toggle_chat_id, L"togglechat",
- "chat_hide_btn.png", "chat_show_btn.png");
- m_rarecontrolsbar.init(m_texturesource, "rare_controls.png",
- rare_controls_starter_id,
- v2s32(0.25 * button_size,
- m_screensize.Y - ((RARE_CONTROLS_BAR_Y_OFFSET + 1.0) * button_size)
- + (0.5 * button_size)),
- v2s32(0.75 * button_size,
- m_screensize.Y - (RARE_CONTROLS_BAR_Y_OFFSET * button_size)
- + (0.5 * button_size)),
- AHBB_Dir_Left_Right, 2.0);
- m_rarecontrolsbar.addButton(chat_id, L"Chat", "chat_btn.png");
- m_rarecontrolsbar.addButton(inventory_id, L"inv", "inventory_btn.png");
- m_rarecontrolsbar.addButton(drop_id, L"drop", "drop_btn.png");
- }
- touch_gui_button_id TouchScreenGUI::getButtonID(s32 x, s32 y)
- {
- IGUIElement *rootguielement = m_guienv->getRootGUIElement();
- if (rootguielement != nullptr) {
- gui::IGUIElement *element =
- rootguielement->getElementFromPoint(core::position2d<s32>(x, y));
- if (element)
- for (unsigned int i = 0; i < after_last_element_id; i++)
- if (element == m_buttons[i].guibutton)
- return (touch_gui_button_id) i;
- }
- return after_last_element_id;
- }
- touch_gui_button_id TouchScreenGUI::getButtonID(size_t eventID)
- {
- for (unsigned int i = 0; i < after_last_element_id; i++) {
- button_info *btn = &m_buttons[i];
- auto id = std::find(btn->ids.begin(), btn->ids.end(), eventID);
- if (id != btn->ids.end())
- return (touch_gui_button_id) i;
- }
- return after_last_element_id;
- }
- bool TouchScreenGUI::isHUDButton(const SEvent &event)
- {
- // check if hud item is pressed
- for (auto &hud_rect : m_hud_rects) {
- if (hud_rect.second.isPointInside(v2s32(event.TouchInput.X,
- event.TouchInput.Y))) {
- auto *translated = new SEvent();
- memset(translated, 0, sizeof(SEvent));
- translated->EventType = irr::EET_KEY_INPUT_EVENT;
- translated->KeyInput.Key = (irr::EKEY_CODE) (KEY_KEY_1 + hud_rect.first);
- translated->KeyInput.Control = false;
- translated->KeyInput.Shift = false;
- translated->KeyInput.PressedDown = true;
- m_receiver->OnEvent(*translated);
- m_hud_ids[event.TouchInput.ID] = translated->KeyInput.Key;
- delete translated;
- return true;
- }
- }
- return false;
- }
- void TouchScreenGUI::handleButtonEvent(touch_gui_button_id button,
- size_t eventID, bool action)
- {
- button_info *btn = &m_buttons[button];
- auto *translated = new SEvent();
- memset(translated, 0, sizeof(SEvent));
- translated->EventType = irr::EET_KEY_INPUT_EVENT;
- translated->KeyInput.Key = btn->keycode;
- translated->KeyInput.Control = false;
- translated->KeyInput.Shift = false;
- translated->KeyInput.Char = 0;
- // add this event
- if (action) {
- assert(std::find(btn->ids.begin(), btn->ids.end(), eventID) == btn->ids.end());
- btn->ids.push_back(eventID);
- if (btn->ids.size() > 1) return;
- btn->repeatcounter = 0;
- translated->KeyInput.PressedDown = true;
- translated->KeyInput.Key = btn->keycode;
- m_receiver->OnEvent(*translated);
- }
- // remove event
- if ((!action) || (btn->immediate_release)) {
- auto pos = std::find(btn->ids.begin(), btn->ids.end(), eventID);
- // has to be in touch list
- assert(pos != btn->ids.end());
- btn->ids.erase(pos);
- if (!btn->ids.empty())
- return;
- translated->KeyInput.PressedDown = false;
- btn->repeatcounter = -1;
- m_receiver->OnEvent(*translated);
- }
- delete translated;
- }
- void TouchScreenGUI::handleReleaseEvent(size_t evt_id)
- {
- touch_gui_button_id button = getButtonID(evt_id);
- if (button != after_last_element_id) {
- // handle button events
- handleButtonEvent(button, evt_id, false);
- } else if (m_has_move_id && evt_id == m_move_id) {
- // handle the point used for moving view
- m_has_move_id = false;
- // if this pointer issued a mouse event issue symmetric release here
- if (m_move_sent_as_mouse_event) {
- auto *translated = new SEvent;
- memset(translated, 0, sizeof(SEvent));
- translated->EventType = EET_MOUSE_INPUT_EVENT;
- translated->MouseInput.X = m_move_downlocation.X;
- translated->MouseInput.Y = m_move_downlocation.Y;
- translated->MouseInput.Shift = false;
- translated->MouseInput.Control = false;
- translated->MouseInput.ButtonStates = 0;
- translated->MouseInput.Event = EMIE_LMOUSE_LEFT_UP;
- m_receiver->OnEvent(*translated);
- delete translated;
- } else {
- // do double tap detection
- doubleTapDetection();
- }
- }
- // handle joystick
- else if (m_has_joystick_id && evt_id == m_joystick_id) {
- m_has_joystick_id = false;
- // reset joystick
- for (unsigned int i = 0; i < 4; i++)
- m_joystick_status[i] = false;
- applyJoystickStatus();
- m_joystick_btn_off->guibutton->setVisible(true);
- m_joystick_btn_bg->guibutton->setVisible(false);
- m_joystick_btn_center->guibutton->setVisible(false);
- } else {
- infostream
- << "TouchScreenGUI::translateEvent released unknown button: "
- << evt_id << std::endl;
- }
- for (auto iter = m_known_ids.begin();
- iter != m_known_ids.end(); ++iter) {
- if (iter->id == evt_id) {
- m_known_ids.erase(iter);
- break;
- }
- }
- }
- void TouchScreenGUI::translateEvent(const SEvent &event)
- {
- if (!m_visible) {
- infostream
- << "TouchScreenGUI::translateEvent got event but not visible!"
- << std::endl;
- return;
- }
- if (event.EventType != EET_TOUCH_INPUT_EVENT)
- return;
- if (event.TouchInput.Event == ETIE_PRESSED_DOWN) {
- /*
- * Add to own copy of event list...
- * android would provide this information but Irrlicht guys don't
- * wanna design a efficient interface
- */
- id_status toadd{};
- toadd.id = event.TouchInput.ID;
- toadd.X = event.TouchInput.X;
- toadd.Y = event.TouchInput.Y;
- m_known_ids.push_back(toadd);
- size_t eventID = event.TouchInput.ID;
- touch_gui_button_id button =
- getButtonID(event.TouchInput.X, event.TouchInput.Y);
- // handle button events
- if (button != after_last_element_id) {
- handleButtonEvent(button, eventID, true);
- m_settingsbar.deactivate();
- m_rarecontrolsbar.deactivate();
- } else if (isHUDButton(event)) {
- m_settingsbar.deactivate();
- m_rarecontrolsbar.deactivate();
- // already handled in isHUDButton()
- } else if (m_settingsbar.isButton(event)) {
- m_rarecontrolsbar.deactivate();
- // already handled in isSettingsBarButton()
- } else if (m_rarecontrolsbar.isButton(event)) {
- m_settingsbar.deactivate();
- // already handled in isSettingsBarButton()
- } else {
- // handle non button events
- m_settingsbar.deactivate();
- m_rarecontrolsbar.deactivate();
- s32 dxj = event.TouchInput.X - button_size * 5.0f / 2.0f;
- s32 dyj = event.TouchInput.Y - m_screensize.Y + button_size * 5.0f / 2.0f;
- /* Select joystick when left 1/3 of screen dragged or
- * when joystick tapped (fixed joystick position)
- */
- if ((m_fixed_joystick && dxj * dxj + dyj * dyj <= button_size * button_size * 1.5 * 1.5) ||
- (!m_fixed_joystick && event.TouchInput.X < m_screensize.X / 3.0f)) {
- // If we don't already have a starting point for joystick make this the one.
- if (!m_has_joystick_id) {
- m_has_joystick_id = true;
- m_joystick_id = event.TouchInput.ID;
- m_joystick_has_really_moved = false;
- m_joystick_btn_off->guibutton->setVisible(false);
- m_joystick_btn_bg->guibutton->setVisible(true);
- m_joystick_btn_center->guibutton->setVisible(true);
- // If it's a fixed joystick, don't move the joystick "button".
- if (!m_fixed_joystick)
- m_joystick_btn_bg->guibutton->setRelativePosition(v2s32(
- event.TouchInput.X - button_size * 3.0f / 2.0f,
- event.TouchInput.Y - button_size * 3.0f / 2.0f));
- m_joystick_btn_center->guibutton->setRelativePosition(v2s32(
- event.TouchInput.X - button_size / 2.0f,
- event.TouchInput.Y - button_size / 2.0f));
- }
- } else {
- // If we don't already have a moving point make this the moving one.
- if (!m_has_move_id) {
- m_has_move_id = true;
- m_move_id = event.TouchInput.ID;
- m_move_has_really_moved = false;
- m_move_downtime = porting::getTimeMs();
- m_move_downlocation = v2s32(event.TouchInput.X, event.TouchInput.Y);
- m_move_sent_as_mouse_event = false;
- }
- }
- }
- m_pointerpos[event.TouchInput.ID] = v2s32(event.TouchInput.X, event.TouchInput.Y);
- }
- else if (event.TouchInput.Event == ETIE_LEFT_UP) {
- verbosestream
- << "Up event for pointerid: " << event.TouchInput.ID << std::endl;
- handleReleaseEvent(event.TouchInput.ID);
- } else {
- assert(event.TouchInput.Event == ETIE_MOVED);
- if (m_pointerpos[event.TouchInput.ID] ==
- v2s32(event.TouchInput.X, event.TouchInput.Y))
- return;
- if (m_has_move_id) {
- if ((event.TouchInput.ID == m_move_id) &&
- (!m_move_sent_as_mouse_event)) {
- double distance = sqrt(
- (m_pointerpos[event.TouchInput.ID].X - event.TouchInput.X) *
- (m_pointerpos[event.TouchInput.ID].X - event.TouchInput.X) +
- (m_pointerpos[event.TouchInput.ID].Y - event.TouchInput.Y) *
- (m_pointerpos[event.TouchInput.ID].Y - event.TouchInput.Y));
- if ((distance > m_touchscreen_threshold) ||
- (m_move_has_really_moved)) {
- m_move_has_really_moved = true;
- s32 X = event.TouchInput.X;
- s32 Y = event.TouchInput.Y;
- // update camera_yaw and camera_pitch
- s32 dx = X - m_pointerpos[event.TouchInput.ID].X;
- s32 dy = Y - m_pointerpos[event.TouchInput.ID].Y;
- // adapt to similar behaviour as pc screen
- const double d = g_settings->getFloat("mouse_sensitivity", 0.001f, 10.0f) * 3.0f;
- m_camera_yaw_change -= dx * d;
- m_camera_pitch = MYMIN(MYMAX(m_camera_pitch + (dy * d), -180), 180);
- // update shootline
- m_shootline = m_device
- ->getSceneManager()
- ->getSceneCollisionManager()
- ->getRayFromScreenCoordinates(v2s32(X, Y));
- m_pointerpos[event.TouchInput.ID] = v2s32(X, Y);
- }
- } else if ((event.TouchInput.ID == m_move_id) &&
- (m_move_sent_as_mouse_event)) {
- m_shootline = m_device
- ->getSceneManager()
- ->getSceneCollisionManager()
- ->getRayFromScreenCoordinates(
- v2s32(event.TouchInput.X, event.TouchInput.Y));
- }
- }
- if (m_has_joystick_id && event.TouchInput.ID == m_joystick_id) {
- s32 X = event.TouchInput.X;
- s32 Y = event.TouchInput.Y;
- s32 dx = X - m_pointerpos[event.TouchInput.ID].X;
- s32 dy = Y - m_pointerpos[event.TouchInput.ID].Y;
- if (m_fixed_joystick) {
- dx = X - button_size * 5 / 2;
- dy = Y - m_screensize.Y + button_size * 5 / 2;
- }
- double distance_sq = dx * dx + dy * dy;
- s32 dxj = event.TouchInput.X - button_size * 5.0f / 2.0f;
- s32 dyj = event.TouchInput.Y - m_screensize.Y + button_size * 5.0f / 2.0f;
- bool inside_joystick = (dxj * dxj + dyj * dyj <= button_size * button_size * 1.5 * 1.5);
- if (m_joystick_has_really_moved || inside_joystick ||
- (!m_fixed_joystick &&
- distance_sq > m_touchscreen_threshold * m_touchscreen_threshold)) {
- m_joystick_has_really_moved = true;
- double distance = sqrt(distance_sq);
- // angle in degrees
- double angle = acos(dx / distance) * 180 / M_PI;
- if (dy < 0)
- angle *= -1;
- // rotate to make comparing easier
- angle = fmod(angle + 180 + 22.5, 360);
- // reset state before applying
- for (bool & joystick_status : m_joystick_status)
- joystick_status = false;
- if (distance <= m_touchscreen_threshold) {
- // do nothing
- } else if (angle < 45)
- m_joystick_status[j_left] = true;
- else if (angle < 90) {
- m_joystick_status[j_forward] = true;
- m_joystick_status[j_left] = true;
- } else if (angle < 135)
- m_joystick_status[j_forward] = true;
- else if (angle < 180) {
- m_joystick_status[j_forward] = true;
- m_joystick_status[j_right] = true;
- } else if (angle < 225)
- m_joystick_status[j_right] = true;
- else if (angle < 270) {
- m_joystick_status[j_backward] = true;
- m_joystick_status[j_right] = true;
- } else if (angle < 315)
- m_joystick_status[j_backward] = true;
- else if (angle <= 360) {
- m_joystick_status[j_backward] = true;
- m_joystick_status[j_left] = true;
- }
- if (distance > button_size) {
- m_joystick_status[j_aux1] = true;
- // move joystick "button"
- s32 ndx = button_size * dx / distance - button_size / 2.0f;
- s32 ndy = button_size * dy / distance - button_size / 2.0f;
- if (m_fixed_joystick) {
- m_joystick_btn_center->guibutton->setRelativePosition(v2s32(
- button_size * 5 / 2 + ndx,
- m_screensize.Y - button_size * 5 / 2 + ndy));
- } else {
- m_joystick_btn_center->guibutton->setRelativePosition(v2s32(
- m_pointerpos[event.TouchInput.ID].X + ndx,
- m_pointerpos[event.TouchInput.ID].Y + ndy));
- }
- } else {
- m_joystick_btn_center->guibutton->setRelativePosition(
- v2s32(X - button_size / 2, Y - button_size / 2));
- }
- }
- }
- if (!m_has_move_id && !m_has_joystick_id)
- handleChangedButton(event);
- }
- }
- void TouchScreenGUI::handleChangedButton(const SEvent &event)
- {
- for (unsigned int i = 0; i < after_last_element_id; i++) {
- if (m_buttons[i].ids.empty())
- continue;
- for (auto iter = m_buttons[i].ids.begin();
- iter != m_buttons[i].ids.end(); ++iter) {
- if (event.TouchInput.ID == *iter) {
- int current_button_id =
- getButtonID(event.TouchInput.X, event.TouchInput.Y);
- if (current_button_id == i)
- continue;
- // remove old button
- handleButtonEvent((touch_gui_button_id) i, *iter, false);
- if (current_button_id == after_last_element_id)
- return;
- handleButtonEvent((touch_gui_button_id) current_button_id, *iter, true);
- return;
- }
- }
- }
- int current_button_id = getButtonID(event.TouchInput.X, event.TouchInput.Y);
- if (current_button_id == after_last_element_id)
- return;
- button_info *btn = &m_buttons[current_button_id];
- if (std::find(btn->ids.begin(), btn->ids.end(), event.TouchInput.ID)
- == btn->ids.end())
- handleButtonEvent((touch_gui_button_id) current_button_id,
- event.TouchInput.ID, true);
- }
- bool TouchScreenGUI::doubleTapDetection()
- {
- m_key_events[0].down_time = m_key_events[1].down_time;
- m_key_events[0].x = m_key_events[1].x;
- m_key_events[0].y = m_key_events[1].y;
- m_key_events[1].down_time = m_move_downtime;
- m_key_events[1].x = m_move_downlocation.X;
- m_key_events[1].y = m_move_downlocation.Y;
- u64 delta = porting::getDeltaMs(m_key_events[0].down_time, porting::getTimeMs());
- if (delta > 400)
- return false;
- double distance = sqrt(
- (m_key_events[0].x - m_key_events[1].x) *
- (m_key_events[0].x - m_key_events[1].x) +
- (m_key_events[0].y - m_key_events[1].y) *
- (m_key_events[0].y - m_key_events[1].y));
- if (distance > (20 + m_touchscreen_threshold))
- return false;
- auto *translated = new SEvent();
- memset(translated, 0, sizeof(SEvent));
- translated->EventType = EET_MOUSE_INPUT_EVENT;
- translated->MouseInput.X = m_key_events[0].x;
- translated->MouseInput.Y = m_key_events[0].y;
- translated->MouseInput.Shift = false;
- translated->MouseInput.Control = false;
- translated->MouseInput.ButtonStates = EMBSM_RIGHT;
- // update shootline
- m_shootline = m_device
- ->getSceneManager()
- ->getSceneCollisionManager()
- ->getRayFromScreenCoordinates(v2s32(m_key_events[0].x, m_key_events[0].y));
- translated->MouseInput.Event = EMIE_RMOUSE_PRESSED_DOWN;
- verbosestream << "TouchScreenGUI::translateEvent right click press" << std::endl;
- m_receiver->OnEvent(*translated);
- translated->MouseInput.ButtonStates = 0;
- translated->MouseInput.Event = EMIE_RMOUSE_LEFT_UP;
- verbosestream << "TouchScreenGUI::translateEvent right click release" << std::endl;
- m_receiver->OnEvent(*translated);
- delete translated;
- return true;
- }
- void TouchScreenGUI::applyJoystickStatus()
- {
- for (unsigned int i = 0; i < 5; i++) {
- if (i == 4 && !m_joystick_triggers_aux1)
- continue;
- SEvent translated{};
- translated.EventType = irr::EET_KEY_INPUT_EVENT;
- translated.KeyInput.Key = id2keycode(m_joystick_names[i]);
- translated.KeyInput.PressedDown = false;
- m_receiver->OnEvent(translated);
- if (m_joystick_status[i]) {
- translated.KeyInput.PressedDown = true;
- m_receiver->OnEvent(translated);
- }
- }
- }
- TouchScreenGUI::~TouchScreenGUI()
- {
- for (auto &button : m_buttons) {
- if (button.guibutton) {
- button.guibutton->drop();
- button.guibutton = nullptr;
- }
- }
- if (m_joystick_btn_off->guibutton) {
- m_joystick_btn_off->guibutton->drop();
- m_joystick_btn_off->guibutton = nullptr;
- }
- if (m_joystick_btn_bg->guibutton) {
- m_joystick_btn_bg->guibutton->drop();
- m_joystick_btn_bg->guibutton = nullptr;
- }
- if (m_joystick_btn_center->guibutton) {
- m_joystick_btn_center->guibutton->drop();
- m_joystick_btn_center->guibutton = nullptr;
- }
- }
- void TouchScreenGUI::step(float dtime)
- {
- // simulate keyboard repeats
- for (auto &button : m_buttons) {
- if (!button.ids.empty()) {
- button.repeatcounter += dtime;
- // in case we're moving around digging does not happen
- if (m_has_move_id)
- m_move_has_really_moved = true;
- if (button.repeatcounter < button.repeatdelay)
- continue;
- button.repeatcounter = 0;
- SEvent translated;
- memset(&translated, 0, sizeof(SEvent));
- translated.EventType = irr::EET_KEY_INPUT_EVENT;
- translated.KeyInput.Key = button.keycode;
- translated.KeyInput.PressedDown = false;
- m_receiver->OnEvent(translated);
- translated.KeyInput.PressedDown = true;
- m_receiver->OnEvent(translated);
- }
- }
- // joystick
- for (unsigned int i = 0; i < 4; i++) {
- if (m_joystick_status[i]) {
- applyJoystickStatus();
- break;
- }
- }
- // if a new placed pointer isn't moved for some time start digging
- if (m_has_move_id &&
- (!m_move_has_really_moved) &&
- (!m_move_sent_as_mouse_event)) {
- u64 delta = porting::getDeltaMs(m_move_downtime, porting::getTimeMs());
- if (delta > MIN_DIG_TIME_MS) {
- m_shootline = m_device
- ->getSceneManager()
- ->getSceneCollisionManager()
- ->getRayFromScreenCoordinates(
- v2s32(m_move_downlocation.X,m_move_downlocation.Y));
- SEvent translated;
- memset(&translated, 0, sizeof(SEvent));
- translated.EventType = EET_MOUSE_INPUT_EVENT;
- translated.MouseInput.X = m_move_downlocation.X;
- translated.MouseInput.Y = m_move_downlocation.Y;
- translated.MouseInput.Shift = false;
- translated.MouseInput.Control = false;
- translated.MouseInput.ButtonStates = EMBSM_LEFT;
- translated.MouseInput.Event = EMIE_LMOUSE_PRESSED_DOWN;
- verbosestream << "TouchScreenGUI::step left click press" << std::endl;
- m_receiver->OnEvent(translated);
- m_move_sent_as_mouse_event = true;
- }
- }
- m_settingsbar.step(dtime);
- m_rarecontrolsbar.step(dtime);
- }
- void TouchScreenGUI::resetHud()
- {
- m_hud_rects.clear();
- }
- void TouchScreenGUI::registerHudItem(int index, const rect<s32> &rect)
- {
- m_hud_rects[index] = rect;
- }
- void TouchScreenGUI::Toggle(bool visible)
- {
- m_visible = visible;
- for (auto &button : m_buttons) {
- if (button.guibutton)
- button.guibutton->setVisible(visible);
- }
- if (m_joystick_btn_off->guibutton)
- m_joystick_btn_off->guibutton->setVisible(visible);
- // clear all active buttons
- if (!visible) {
- while (!m_known_ids.empty())
- handleReleaseEvent(m_known_ids.begin()->id);
- m_settingsbar.hide();
- m_rarecontrolsbar.hide();
- } else {
- m_settingsbar.show();
- m_rarecontrolsbar.show();
- }
- }
- void TouchScreenGUI::hide()
- {
- if (!m_visible)
- return;
- Toggle(false);
- }
- void TouchScreenGUI::show()
- {
- if (m_visible)
- return;
- Toggle(true);
- }
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