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
|
/**
* Event module
*/
#include "lua/modules/luax.h"
#include "libjin/jin.h"
namespace jin
{
namespace lua
{
using namespace JinEngine;
using namespace JinEngine::Input;
/**
* Load event poll, return a iterator(a table).
*/
static int l_event_poll(lua_State *L)
{
/* table to store events */
luax_newtable(L);
static Event e;
int i = 1;
poll:
while (pollEvent(&e))
{
/**
* TODO: ڴСıʱҪtransform
*
*/
luax_newtable(L);
switch (e.type)
{
case EventType::QUIT:
luax_setfieldstring(L, "type", "Quit");
break;
case EventType::KEY_DOWN:
case EventType::KEY_UP:
luax_setfieldstring(L, "type", e.type == EventType::KEY_DOWN ? "KeyDown" : "KeyUp");
luax_setfieldstring(L, "key", getKeyName(e.key.keysym.sym));
break;
case EventType::MOUSE_MOTION:
luax_setfieldstring(L, "type", "MouseMotion");
luax_setfieldnumber(L, "x", e.motion.x);
luax_setfieldnumber(L, "y", e.motion.y);
break;
case EventType::MOUSE_BUTTON_DOWN:
case EventType::MOUSE_BUTTON_UP:
luax_setfieldstring(L, "type", e.type == EventType::MOUSE_BUTTON_DOWN ? "MouseButtonDown" : "MouseButtonUp");
luax_setfieldstring(L, "button", getButtonName(e.button.button));
luax_setfieldnumber(L, "x", e.button.x);
luax_setfieldnumber(L, "y", e.button.y);
break;
case EventType::MOUSE_WHEEL:
luax_setfieldstring(L, "type", "Wheel");
if(e.wheel.x == -1)
luax_setfieldstring(L, "x", "Left");
else if(e.wheel.x == 1)
luax_setfieldstring(L, "x", "Right");
else
luax_setfieldstring(L, "x", "None");
if (e.wheel.y == -1)
luax_setfieldstring(L, "y", "Near");
else if (e.wheel.y == 1)
luax_setfieldstring(L, "y", "Far");
else
luax_setfieldstring(L, "y", "None");
break;
case EventType::JOYBUTTONDOWN:
case EventType::JOYBUTTONUP:
luax_setfieldstring(L, "type", e.type == EventType::JOYBUTTONDOWN ? "JoyButtonDown" : "JoyButtonUp");
luax_setfieldinteger(L, "which", e.jbutton.which);
luax_setfieldstring(L, "button", Input::getJoyButtonName(e.jbutton.button));
break;
case EventType::JOYAXISMOTION:
luax_setfieldstring(L, "type", "JoyAxisMotion");
luax_setfieldinteger(L, "which", e.jaxis.which);
luax_setfieldfstring(L, "axis", Input::getJoyAxisName(e.jaxis.axis));
break;
case EventType::JOYBALLMOTION:
case EventType::JOYHATMOTION:
case EventType::JOYDEVICEADDED:
case EventType::JOYDEVICEREMOVED:
luax_setfieldfstring(L, "type", e.type == EventType::JOYDEVICEADDED ? "JoyDeviceAdded" : "JoyDeviceRemoved");
luax_setfieldinteger(L, "which", e.jdevice.which);
break;
//https://stackoverflow.com/questions/50022316/what-is-sdl-joystick-and-what-is-sdl-gamecontroller-what-are-the-relationships
case EventType::CONTROLLERBUTTONDOWN:
case EventType::CONTROLLERBUTTONUP:
case EventType::CONTROLLERAXISMOTION:
default:
/* ignore other events */
luax_pop(L, 1); // pop table out
goto poll;
break;
}
luax_rawseti(L, -2, i++);
}
return 1;
}
static const luaL_Reg f[] = {
{ "poll", l_event_poll },
{ 0, 0 }
};
/**
* load event module
*/
int luaopen_event(lua_State* L)
{
luax_newlib(L, f);
return 1;
}
} // lua
} // jin
|
