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"
33 using namespace irr::core;
34 using namespace irr::gui;
43 after_last_element_id,
45 rare_controls_starter_id,
55 } touch_gui_button_id;
62 } autohide_button_bar_dir;
64 #define MIN_DIG_TIME_MS 500
65 #define MAX_TOUCH_COUNT 64
66 #define BUTTON_REPEAT_DELAY 0.2f
68 #define SETTINGS_BAR_Y_OFFSET 6.5
69 #define RARE_CONTROLS_BAR_Y_OFFSET 4
71 extern const char **touchgui_button_imagenames;
77 irr::EKEY_CODE keycode;
79 IGUIButton *guibutton = nullptr;
80 bool immediate_release;
83 class AutoHideButtonBar
86 AutoHideButtonBar(IrrlichtDevice *device, IEventReceiver *receiver);
88 void init(ISimpleTextureSource *tsrc, const char *starter_img, int button_id,
89 v2s32 UpperLeft, v2s32 LowerRight, autohide_button_bar_dir dir,
94 /* add button to be shown */
95 void addButton(touch_gui_button_id id, const wchar_t *caption,
96 const char *btn_image);
98 /* detect settings bar button events */
99 bool isButton(const SEvent &event);
101 /* handle released hud buttons */
102 bool isReleaseButton(int eventID);
105 void step(float dtime);
107 /* deactivate button bar */
110 /* hide the whole buttonbar */
113 /* unhide the buttonbar */
117 ISimpleTextureSource *m_texturesource = nullptr;
118 irr::video::IVideoDriver *m_driver;
119 IGUIEnvironment *m_guienv;
120 IEventReceiver *m_receiver;
121 button_info m_starter;
122 std::vector<button_info *> m_buttons;
127 /* show settings bar */
128 bool m_active = false;
130 bool m_visible = true;
132 /* settings bar timeout */
133 float m_timeout = 0.0f;
134 float m_timeout_value = 3.0f;
135 bool m_initialized = false;
136 autohide_button_bar_dir m_dir = AHBB_Dir_Right_Left;
142 TouchScreenGUI(IrrlichtDevice *device, IEventReceiver *receiver);
145 void translateEvent(const SEvent &event);
147 void init(ISimpleTextureSource *tsrc);
149 double getYawChange()
151 double res = m_camera_yaw_change;
152 m_camera_yaw_change = 0;
156 double getPitch() { return m_camera_pitch; }
159 * Returns a line which describes what the player is pointing at.
160 * The starting point and looking direction are significant,
161 * the line should be scaled to match its length to the actual distance
162 * the player can reach.
163 * The line starts at the camera and ends on the camera's far plane.
164 * The coordinates do not contain the camera offset.
166 line3d<f32> getShootline() { return m_shootline; }
168 void step(float dtime);
170 void registerHudItem(int index, const rect<s32> &rect);
171 void Toggle(bool visible);
177 IrrlichtDevice *m_device;
178 IGUIEnvironment *m_guienv;
179 IEventReceiver *m_receiver;
180 ISimpleTextureSource *m_texturesource;
182 std::map<int, rect<s32>> m_hud_rects;
183 std::map<int, irr::EKEY_CODE> m_hud_ids;
184 bool m_visible; // is the gui visible
186 /* value in degree */
187 double m_camera_yaw_change = 0.0;
188 double m_camera_pitch = 0.0;
191 * A line starting at the camera and pointing towards the
193 * The line ends on the camera's far plane.
194 * The coordinates do not contain the camera offset.
196 line3d<f32> m_shootline;
199 bool m_move_has_really_moved = false;
200 s64 m_move_downtime = 0;
201 bool m_move_sent_as_mouse_event = false;
202 v2s32 m_move_downlocation = v2s32(-10000, -10000);
204 button_info m_buttons[after_last_element_id];
206 /* gui button detection */
207 touch_gui_button_id getButtonID(s32 x, s32 y);
209 /* gui button by eventID */
210 touch_gui_button_id getButtonID(int eventID);
212 /* check if a button has changed */
213 void handleChangedButton(const SEvent &event);
215 /* initialize a button */
216 void initButton(touch_gui_button_id id, rect<s32> button_rect,
217 std::wstring caption, bool immediate_release,
218 float repeat_delay = BUTTON_REPEAT_DELAY);
227 /* vector to store known ids and their initial touch positions*/
228 std::vector<id_status> m_known_ids;
230 /* handle a button event */
231 void handleButtonEvent(touch_gui_button_id bID, int eventID, bool action);
233 /* handle pressed hud buttons */
234 bool isHUDButton(const SEvent &event);
236 /* handle released hud buttons */
237 bool isReleaseHUDButton(int eventID);
239 /* handle double taps */
240 bool doubleTapDetection();
242 /* handle release event */
243 void handleReleaseEvent(int evt_id);
245 /* get size of regular gui control button */
246 int getGuiButtonSize();
248 /* doubleclick detection variables */
251 unsigned int down_time;
256 /* array for saving last known position of a pointer */
257 v2s32 m_pointerpos[MAX_TOUCH_COUNT];
259 /* array for doubletap detection */
260 key_event m_key_events[2];
263 AutoHideButtonBar m_settingsbar;
265 /* rare controls bar */
266 AutoHideButtonBar m_rarecontrolsbar;
268 extern TouchScreenGUI *g_touchscreengui;