2 Copyright (C) 2014 sapier
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU Lesser General Public License as published by
6 the Free Software Foundation; either version 2.1 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public License along
15 with this program; if not, write to the Free Software Foundation, Inc.,
16 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 #include <IEventReceiver.h>
22 #include <IGUIButton.h>
23 #include <IGUIEnvironment.h>
24 #include <IrrlichtDevice.h>
29 #include "client/tile.h"
30 #include "client/game.h"
33 using namespace irr::core;
34 using namespace irr::gui;
42 after_last_element_id,
44 rare_controls_starter_id,
63 } touch_gui_button_id;
72 } touch_gui_joystick_move_id;
80 } autohide_button_bar_dir;
82 #define MIN_DIG_TIME_MS 500
83 #define BUTTON_REPEAT_DELAY 0.2f
84 #define SETTINGS_BAR_Y_OFFSET 5
85 #define RARE_CONTROLS_BAR_Y_OFFSET 5
87 // Very slow button repeat frequency
88 #define SLOW_BUTTON_REPEAT 1.0f
90 extern const char **button_imagenames;
91 extern const char **joystick_imagenames;
97 irr::EKEY_CODE keycode;
98 std::vector<size_t> ids;
99 IGUIButton *guibutton = nullptr;
100 bool immediate_release;
102 // 0: false, 1: (true) first texture, 2: (true) second texture
104 std::vector<const char *> textures;
107 class AutoHideButtonBar
110 AutoHideButtonBar(IrrlichtDevice *device, IEventReceiver *receiver);
112 void init(ISimpleTextureSource *tsrc, const char *starter_img, int button_id,
113 const v2s32 &UpperLeft, const v2s32 &LowerRight,
114 autohide_button_bar_dir dir, float timeout);
116 ~AutoHideButtonBar();
118 // add button to be shown
119 void addButton(touch_gui_button_id id, const wchar_t *caption,
120 const char *btn_image);
122 // add toggle button to be shown
123 void addToggleButton(touch_gui_button_id id, const wchar_t *caption,
124 const char *btn_image_1, const char *btn_image_2);
126 // detect settings bar button events
127 bool isButton(const SEvent &event);
130 void step(float dtime);
132 // deactivate button bar
135 // hide the whole buttonbar
138 // unhide the buttonbar
142 ISimpleTextureSource *m_texturesource = nullptr;
143 irr::video::IVideoDriver *m_driver;
144 IGUIEnvironment *m_guienv;
145 IEventReceiver *m_receiver;
146 button_info m_starter;
147 std::vector<button_info *> m_buttons;
153 bool m_active = false;
155 bool m_visible = true;
157 // settings bar timeout
158 float m_timeout = 0.0f;
159 float m_timeout_value = 3.0f;
160 bool m_initialized = false;
161 autohide_button_bar_dir m_dir = AHBB_Dir_Right_Left;
167 TouchScreenGUI(IrrlichtDevice *device, IEventReceiver *receiver);
170 void translateEvent(const SEvent &event);
172 void init(ISimpleTextureSource *tsrc);
174 double getYawChange()
176 double res = m_camera_yaw_change;
177 m_camera_yaw_change = 0;
181 double getPitch() { return m_camera_pitch; }
184 * Returns a line which describes what the player is pointing at.
185 * The starting point and looking direction are significant,
186 * the line should be scaled to match its length to the actual distance
187 * the player can reach.
188 * The line starts at the camera and ends on the camera's far plane.
189 * The coordinates do not contain the camera offset.
191 line3d<f32> getShootline() { return m_shootline; }
193 void step(float dtime);
195 void registerHudItem(int index, const rect<s32> &rect);
196 void Toggle(bool visible);
202 IrrlichtDevice *m_device;
203 IGUIEnvironment *m_guienv;
204 IEventReceiver *m_receiver;
205 ISimpleTextureSource *m_texturesource;
208 double m_touchscreen_threshold;
209 std::map<int, rect<s32>> m_hud_rects;
210 std::map<size_t, irr::EKEY_CODE> m_hud_ids;
211 bool m_visible; // is the gui visible
214 double m_camera_yaw_change = 0.0;
215 double m_camera_pitch = 0.0;
217 // forward, backward, left, right
218 touch_gui_button_id m_joystick_names[5] = {
219 forward_id, backward_id, left_id, right_id, special1_id};
220 bool m_joystick_status[5] = {false, false, false, false, false};
223 * A line starting at the camera and pointing towards the
225 * The line ends on the camera's far plane.
226 * The coordinates do not contain the camera offset.
228 line3d<f32> m_shootline;
231 bool m_move_has_really_moved = false;
232 u64 m_move_downtime = 0;
233 bool m_move_sent_as_mouse_event = false;
234 v2s32 m_move_downlocation = v2s32(-10000, -10000);
236 int m_joystick_id = -1;
237 bool m_joystick_has_really_moved = false;
238 bool m_fixed_joystick = false;
239 bool m_joystick_triggers_special1 = false;
240 button_info *m_joystick_btn_off = nullptr;
241 button_info *m_joystick_btn_bg = nullptr;
242 button_info *m_joystick_btn_center = nullptr;
244 button_info m_buttons[after_last_element_id];
246 // gui button detection
247 touch_gui_button_id getButtonID(s32 x, s32 y);
249 // gui button by eventID
250 touch_gui_button_id getButtonID(size_t eventID);
252 // check if a button has changed
253 void handleChangedButton(const SEvent &event);
255 // initialize a button
256 void initButton(touch_gui_button_id id, const rect<s32> &button_rect,
257 const std::wstring &caption, bool immediate_release,
258 float repeat_delay = BUTTON_REPEAT_DELAY);
260 // initialize a joystick button
261 button_info *initJoystickButton(touch_gui_button_id id,
262 const rect<s32> &button_rect, int texture_id,
263 bool visible = true);
272 // vector to store known ids and their initial touch positions
273 std::vector<id_status> m_known_ids;
275 // handle a button event
276 void handleButtonEvent(touch_gui_button_id bID, size_t eventID, bool action);
278 // handle pressed hud buttons
279 bool isHUDButton(const SEvent &event);
281 // handle double taps
282 bool doubleTapDetection();
284 // handle release event
285 void handleReleaseEvent(size_t evt_id);
287 // apply joystick status
288 void applyJoystickStatus();
290 // double-click detection variables
298 // array for saving last known position of a pointer
299 std::map<size_t, v2s32> m_pointerpos;
301 // array for double tap detection
302 key_event m_key_events[2];
305 AutoHideButtonBar m_settingsbar;
308 AutoHideButtonBar m_rarecontrolsbar;
311 extern TouchScreenGUI *g_touchscreengui;