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 "irrlichttypes.h"
22 #include <IEventReceiver.h>
23 #include <IGUIButton.h>
24 #include <IGUIEnvironment.h>
25 #include <IrrlichtDevice.h>
30 #include "client/tile.h"
31 #include "client/game.h"
34 using namespace irr::core;
35 using namespace irr::gui;
43 after_last_element_id,
45 rare_controls_starter_id,
64 } touch_gui_button_id;
73 } touch_gui_joystick_move_id;
81 } autohide_button_bar_dir;
83 #define MIN_DIG_TIME_MS 500
84 #define BUTTON_REPEAT_DELAY 0.2f
85 #define SETTINGS_BAR_Y_OFFSET 5
86 #define RARE_CONTROLS_BAR_Y_OFFSET 5
88 // Very slow button repeat frequency
89 #define SLOW_BUTTON_REPEAT 1.0f
91 extern const char **button_imagenames;
92 extern const char **joystick_imagenames;
98 irr::EKEY_CODE keycode;
99 std::vector<size_t> ids;
100 IGUIButton *guibutton = nullptr;
101 bool immediate_release;
103 // 0: false, 1: (true) first texture, 2: (true) second texture
105 std::vector<const char *> textures;
108 class AutoHideButtonBar
111 AutoHideButtonBar(IrrlichtDevice *device, IEventReceiver *receiver);
113 void init(ISimpleTextureSource *tsrc, const char *starter_img, int button_id,
114 const v2s32 &UpperLeft, const v2s32 &LowerRight,
115 autohide_button_bar_dir dir, float timeout);
117 ~AutoHideButtonBar();
119 // add button to be shown
120 void addButton(touch_gui_button_id id, const wchar_t *caption,
121 const char *btn_image);
123 // add toggle button to be shown
124 void addToggleButton(touch_gui_button_id id, const wchar_t *caption,
125 const char *btn_image_1, const char *btn_image_2);
127 // detect settings bar button events
128 bool isButton(const SEvent &event);
131 void step(float dtime);
133 // deactivate button bar
136 // hide the whole buttonbar
139 // unhide the buttonbar
143 ISimpleTextureSource *m_texturesource = nullptr;
144 irr::video::IVideoDriver *m_driver;
145 IGUIEnvironment *m_guienv;
146 IEventReceiver *m_receiver;
147 button_info m_starter;
148 std::vector<button_info *> m_buttons;
154 bool m_active = false;
156 bool m_visible = true;
158 // settings bar timeout
159 float m_timeout = 0.0f;
160 float m_timeout_value = 3.0f;
161 bool m_initialized = false;
162 autohide_button_bar_dir m_dir = AHBB_Dir_Right_Left;
168 TouchScreenGUI(IrrlichtDevice *device, IEventReceiver *receiver);
171 void translateEvent(const SEvent &event);
173 void init(ISimpleTextureSource *tsrc);
175 double getYawChange()
177 double res = m_camera_yaw_change;
178 m_camera_yaw_change = 0;
182 double getPitch() { return m_camera_pitch; }
185 * Returns a line which describes what the player is pointing at.
186 * The starting point and looking direction are significant,
187 * the line should be scaled to match its length to the actual distance
188 * the player can reach.
189 * The line starts at the camera and ends on the camera's far plane.
190 * The coordinates do not contain the camera offset.
192 line3d<f32> getShootline() { return m_shootline; }
194 void step(float dtime);
196 void registerHudItem(int index, const rect<s32> &rect);
197 void Toggle(bool visible);
203 IrrlichtDevice *m_device;
204 IGUIEnvironment *m_guienv;
205 IEventReceiver *m_receiver;
206 ISimpleTextureSource *m_texturesource;
209 double m_touchscreen_threshold;
210 std::map<int, rect<s32>> m_hud_rects;
211 std::map<size_t, 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 u64 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(size_t 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, const rect<s32> &button_rect,
258 const 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,
263 const rect<s32> &button_rect, int texture_id,
264 bool visible = true);
273 // vector to store known ids and their initial touch positions
274 std::vector<id_status> m_known_ids;
276 // handle a button event
277 void handleButtonEvent(touch_gui_button_id bID, size_t eventID, bool action);
279 // handle pressed hud buttons
280 bool isHUDButton(const SEvent &event);
282 // handle double taps
283 bool doubleTapDetection();
285 // handle release event
286 void handleReleaseEvent(size_t evt_id);
288 // apply joystick status
289 void applyJoystickStatus();
291 // double-click detection variables
299 // array for saving last known position of a pointer
300 std::map<size_t, v2s32> m_pointerpos;
302 // array for double tap detection
303 key_event m_key_events[2];
306 AutoHideButtonBar m_settingsbar;
309 AutoHideButtonBar m_rarecontrolsbar;
312 extern TouchScreenGUI *g_touchscreengui;