1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
|
/*
Copyright (C) 2014 sapier
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.
*/
#ifndef TOUCHSCREENGUI_HEADER
#define TOUCHSCREENGUI_HEADER
#include <IEventReceiver.h>
#include <IGUIButton.h>
#include <IGUIEnvironment.h>
#include <map>
#include <vector>
#include "client/tile.h"
#include "game.h"
using namespace irr;
using namespace irr::core;
using namespace irr::gui;
typedef enum {
forward_id = 0,
backward_id,
left_id,
right_id,
jump_id,
crunch_id,
after_last_element_id,
settings_starter_id,
rare_controls_starter_id,
fly_id,
noclip_id,
fast_id,
debug_id,
camera_id,
range_id,
chat_id,
inventory_id,
drop_id
} touch_gui_button_id;
typedef enum {
AHBB_Dir_Top_Bottom,
AHBB_Dir_Bottom_Top,
AHBB_Dir_Left_Right,
AHBB_Dir_Right_Left
} autohide_button_bar_dir;
#define MIN_DIG_TIME_MS 500
#define MAX_TOUCH_COUNT 64
#define BUTTON_REPEAT_DELAY 0.2f
#define SETTINGS_BAR_Y_OFFSET 6.5
#define RARE_CONTROLS_BAR_Y_OFFSET 4
extern const char **touchgui_button_imagenames;
struct button_info
{
float repeatcounter;
float repeatdelay;
irr::EKEY_CODE keycode;
std::vector<int> ids;
IGUIButton *guibutton = NULL;
bool immediate_release;
};
class AutoHideButtonBar
{
public:
AutoHideButtonBar(IrrlichtDevice *device, IEventReceiver *receiver);
void init(ISimpleTextureSource *tsrc, const char *starter_img, int button_id,
v2s32 UpperLeft, v2s32 LowerRight, autohide_button_bar_dir dir,
float timeout);
~AutoHideButtonBar();
/* add button to be shown */
void addButton(touch_gui_button_id id, const wchar_t *caption,
const char *btn_image);
/* detect settings bar button events */
bool isButton(const SEvent &event);
/* handle released hud buttons */
bool isReleaseButton(int eventID);
/* step handler */
void step(float dtime);
/* deactivate button bar */
void deactivate();
/* hide the whole buttonbar */
void hide();
/* unhide the buttonbar */
void show();
private:
ISimpleTextureSource *m_texturesource;
irr::video::IVideoDriver *m_driver;
IGUIEnvironment *m_guienv;
IEventReceiver *m_receiver;
v2u32 m_screensize;
button_info m_starter;
std::vector<button_info *> m_buttons;
v2s32 m_upper_left;
v2s32 m_lower_right;
/* show settings bar */
bool m_active;
bool m_visible;
/* settings bar timeout */
float m_timeout;
float m_timeout_value;
bool m_initialized;
autohide_button_bar_dir m_dir;
};
class TouchScreenGUI
{
public:
TouchScreenGUI(IrrlichtDevice *device, IEventReceiver *receiver);
~TouchScreenGUI();
void translateEvent(const SEvent &event);
void init(ISimpleTextureSource *tsrc);
double getYawChange()
{
double res = m_camera_yaw_change;
m_camera_yaw_change = 0;
return res;
}
double getPitch() { return m_camera_pitch; }
/*!
* Returns a line which describes what the player is pointing at.
* The starting point and looking direction are significant,
* the line should be scaled to match its length to the actual distance
* the player can reach.
* The line starts at the camera and ends on the camera's far plane.
* The coordinates do not contain the camera offset.
*/
line3d<f32> getShootline() { return m_shootline; }
void step(float dtime);
void resetHud();
void registerHudItem(int index, const rect<s32> &rect);
void Toggle(bool visible);
void hide();
void show();
private:
IrrlichtDevice *m_device;
IGUIEnvironment *m_guienv;
IEventReceiver *m_receiver;
ISimpleTextureSource *m_texturesource;
v2u32 m_screensize;
std::map<int, rect<s32> > m_hud_rects;
std::map<int, irr::EKEY_CODE> m_hud_ids;
bool m_visible; // is the gui visible
/* value in degree */
double m_camera_yaw_change;
double m_camera_pitch;
/*!
* A line starting at the camera and pointing towards the
* selected object.
* The line ends on the camera's far plane.
* The coordinates do not contain the camera offset.
*/
line3d<f32> m_shootline;
rect<s32> m_control_pad_rect;
int m_move_id;
bool m_move_has_really_moved;
s64 m_move_downtime;
bool m_move_sent_as_mouse_event;
v2s32 m_move_downlocation;
button_info m_buttons[after_last_element_id];
/* gui button detection */
touch_gui_button_id getButtonID(s32 x, s32 y);
/* gui button by eventID */
touch_gui_button_id getButtonID(int eventID);
/* check if a button has changed */
void handleChangedButton(const SEvent &event);
/* initialize a button */
void initButton(touch_gui_button_id id, rect<s32> button_rect,
std::wstring caption, bool immediate_release,
float repeat_delay = BUTTON_REPEAT_DELAY);
/* load texture */
void loadButtonTexture(button_info *btn, const char *path, rect<s32> button_rect);
struct id_status
{
int id;
int X;
int Y;
};
/* vector to store known ids and their initial touch positions*/
std::vector<id_status> m_known_ids;
/* handle a button event */
void handleButtonEvent(touch_gui_button_id bID, int eventID, bool action);
/* handle pressed hud buttons */
bool isHUDButton(const SEvent &event);
/* handle released hud buttons */
bool isReleaseHUDButton(int eventID);
/* handle double taps */
bool doubleTapDetection();
/* handle release event */
void handleReleaseEvent(int evt_id);
/* get size of regular gui control button */
int getGuiButtonSize();
/* doubleclick detection variables */
struct key_event
{
unsigned int down_time;
s32 x;
s32 y;
};
/* array for saving last known position of a pointer */
v2s32 m_pointerpos[MAX_TOUCH_COUNT];
/* array for doubletap detection */
key_event m_key_events[2];
/* settings bar */
AutoHideButtonBar m_settingsbar;
/* rare controls bar */
AutoHideButtonBar m_rarecontrolsbar;
};
extern TouchScreenGUI *g_touchscreengui;
#endif
|