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 MAX_TOUCH_COUNT 64
84 #define BUTTON_REPEAT_DELAY 0.2f
86 #define SETTINGS_BAR_Y_OFFSET 5
87 #define RARE_CONTROLS_BAR_Y_OFFSET 5
89 extern const char **touchgui_button_imagenames;
90 extern const char **touchgui_joystick_imagenames;
96 irr::EKEY_CODE keycode;
98 IGUIButton *guibutton = nullptr;
99 bool immediate_release;
101 // 0: false, 1: (true) first texture, 2: (true) second texture
103 std::vector<const char *> textures;
106 class AutoHideButtonBar
109 AutoHideButtonBar(IrrlichtDevice *device, IEventReceiver *receiver);
111 void init(ISimpleTextureSource *tsrc, const char *starter_img, int button_id,
112 v2s32 UpperLeft, v2s32 LowerRight, autohide_button_bar_dir dir,
115 ~AutoHideButtonBar();
117 // add button to be shown
118 void addButton(touch_gui_button_id id, const wchar_t *caption,
119 const char *btn_image);
121 // add toggle button to be shown
122 void addToggleButton(touch_gui_button_id id, const wchar_t *caption,
123 const char *btn_image_1, const char *btn_image_2);
125 // detect settings bar button events
126 bool isButton(const SEvent &event);
128 // handle released hud buttons
129 bool isReleaseButton(int eventID);
132 void step(float dtime);
134 // deactivate button bar
137 // hide the whole buttonbar
140 // unhide the buttonbar
144 ISimpleTextureSource *m_texturesource = nullptr;
145 irr::video::IVideoDriver *m_driver;
146 IGUIEnvironment *m_guienv;
147 IEventReceiver *m_receiver;
148 button_info m_starter;
149 std::vector<button_info *> m_buttons;
155 bool m_active = false;
157 bool m_visible = true;
159 // settings bar timeout
160 float m_timeout = 0.0f;
161 float m_timeout_value = 3.0f;
162 bool m_initialized = false;
163 autohide_button_bar_dir m_dir = AHBB_Dir_Right_Left;
169 TouchScreenGUI(IrrlichtDevice *device, IEventReceiver *receiver);
172 void translateEvent(const SEvent &event);
174 void init(ISimpleTextureSource *tsrc);
176 double getYawChange()
178 double res = m_camera_yaw_change;
179 m_camera_yaw_change = 0;
183 double getPitch() { return m_camera_pitch; }
186 * Returns a line which describes what the player is pointing at.
187 * The starting point and looking direction are significant,
188 * the line should be scaled to match its length to the actual distance
189 * the player can reach.
190 * The line starts at the camera and ends on the camera's far plane.
191 * The coordinates do not contain the camera offset.
193 line3d<f32> getShootline() { return m_shootline; }
195 void step(float dtime);
197 void registerHudItem(int index, const rect<s32> &rect);
198 void Toggle(bool visible);
204 IrrlichtDevice *m_device;
205 IGUIEnvironment *m_guienv;
206 IEventReceiver *m_receiver;
207 ISimpleTextureSource *m_texturesource;
209 double m_touchscreen_threshold;
210 std::map<int, rect<s32>> m_hud_rects;
211 std::map<int, irr::EKEY_CODE> m_hud_ids;
212 bool m_visible; // is the gui visible
215 double m_camera_yaw_change = 0.0;
216 double m_camera_pitch = 0.0;
218 // forward, backward, left, right
219 touch_gui_button_id m_joystick_names[5] = {
220 forward_id, backward_id, left_id, right_id, special1_id};
221 bool m_joystick_status[5] = {false, false, false, false, false};
224 * A line starting at the camera and pointing towards the
226 * The line ends on the camera's far plane.
227 * The coordinates do not contain the camera offset.
229 line3d<f32> m_shootline;
232 bool m_move_has_really_moved = false;
233 s64 m_move_downtime = 0;
234 bool m_move_sent_as_mouse_event = false;
235 v2s32 m_move_downlocation = v2s32(-10000, -10000);
237 int m_joystick_id = -1;
238 bool m_joystick_has_really_moved = false;
239 bool m_fixed_joystick = false;
240 bool m_joystick_triggers_special1 = false;
241 button_info *m_joystick_btn_off = nullptr;
242 button_info *m_joystick_btn_bg = nullptr;
243 button_info *m_joystick_btn_center = nullptr;
245 button_info m_buttons[after_last_element_id];
247 // gui button detection
248 touch_gui_button_id getButtonID(s32 x, s32 y);
250 // gui button by eventID
251 touch_gui_button_id getButtonID(int eventID);
253 // check if a button has changed
254 void handleChangedButton(const SEvent &event);
256 // initialize a button
257 void initButton(touch_gui_button_id id, rect<s32> button_rect,
258 std::wstring caption, bool immediate_release,
259 float repeat_delay = BUTTON_REPEAT_DELAY);
261 // initialize a joystick button
262 button_info *initJoystickButton(touch_gui_button_id id, rect<s32> button_rect,
263 int texture_id, 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, int eventID, bool action);
278 // handle pressed hud buttons
279 bool isHUDButton(const SEvent &event);
281 // handle released hud buttons
282 bool isReleaseHUDButton(int eventID);
284 // handle double taps
285 bool doubleTapDetection();
287 // handle release event
288 void handleReleaseEvent(int evt_id);
290 // apply joystick status
291 void applyJoystickStatus();
293 // get size of regular gui control button
294 int getGuiButtonSize();
296 // doubleclick detection variables
299 unsigned int down_time;
304 // array for saving last known position of a pointer
305 v2s32 m_pointerpos[MAX_TOUCH_COUNT];
307 // array for doubletap detection
308 key_event m_key_events[2];
311 AutoHideButtonBar m_settingsbar;
314 AutoHideButtonBar m_rarecontrolsbar;
316 extern TouchScreenGUI *g_touchscreengui;