Mercurial > hg > old > magoroku_racing.bad

comparison sjoy.cc @ 99:c534f339ee8b

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change c++
author e085768
date Thu, 02 Jun 2011 17:51:41 +0900
parents sjoy.c@0b65ca27f113
children e5f2eb98b575
comparison
equal deleted inserted replaced
98:1033fece71ce 99:c534f339ee8b
1 // Copyright(C) 2001 Sony Computer Entertainment Inc. All Rights Reserved.
2 //
3 // "sjoy.c"
4 //
5 //
6 #include <stdio.h>
7 #include <unistd.h>
8 #include <fcntl.h>
9 #include <assert.h>
10
11
12 #include "sjoy.h"
13
14 #define N_JOY 2
15
16 static char *g_devName[N_JOY] = {
17 "/dev/js0",
18 "/dev/js1",
19 };
20
21 static int g_fd[N_JOY] = {
22 -1, -1,
23 };
24
25 //static __u32 g_button[N_JOY]; // max 32 buttons per joystick
26 //static __s16 g_axis[N_JOY][2]; // max 2 axis per joystick
27
28 //----------------------------------------------------------------------
29 int sjoy_open(void)
30 {
31 int joy;
32
33 sjoy_close();
34
35 for (joy = 0; joy < N_JOY; joy++) {
36 assert(g_fd[joy] == -1);
37 g_fd[joy] = open(g_devName[joy], O_RDONLY | O_NONBLOCK);
38 if (g_fd[joy] < 0) {
39 fprintf(stderr, "can't open %s\n", g_devName[joy]);
40 fprintf(stderr,
41 "You don't have permission, or should load module for joysticks.\n"
42 "How to load joystick module:\n"
43 " # modprobe ps2pad\n");
44 return -1;
45 }
46 }
47
48 return 0;
49 }
50
51 //----------------------------------------------------------------------
52 int sjoy_close(void)
53 {
54 int joy;
55 int fail = 0;
56
57 for (joy = 0; joy < N_JOY; joy++) {
58 if (g_fd[joy] >= 0) {
59 fail |= close(g_fd[joy]);
60 }
61 g_fd[joy] = -1;
62 }
63
64 return fail ? -1 : 0;
65 }
66
67 /* 適当に自作:miya */
68 struct js_event
69 {
70 int type;
71 int number;
72 int value;
73 };
74
75 int g_button[10];
76 int g_axis[10][10];
77
78 #define JS_EVENT_INIT 1
79 #define JS_EVENT_BUTTON 2
80 #define JS_EVENT_AXIS 3
81 /* ここまで適当に自作:miya */
82
83
84 //----------------------------------------------------------------------
85 void sjoy_poll(void)
86 {
87 int joy;
88
89 for (joy = 0; joy < N_JOY; joy++) {
90 if (g_fd[joy] < 0) {
91 continue;
92 }
93 for (; ;) {
94 struct js_event e;
95 int n = read(g_fd[joy], &e, sizeof(e));
96 if (n != sizeof(e)) {
97 break;
98 }
99 switch (e.type & ~JS_EVENT_INIT) {
100 case JS_EVENT_BUTTON:
101 g_button[joy] &= ~(1 << e.number);
102 g_button[joy] |= (e.value << e.number);
103 break;
104
105 case JS_EVENT_AXIS:
106 g_axis[joy][e.number] = e.value;
107 break;
108
109 default:
110 assert(0);
111 break;
112 }
113 }
114 }
115
116 }
117
118 //----------------------------------------------------------------------
119 int sjoy_get_button(int joy)
120 {
121 return g_button[joy];
122 }
123
124 //----------------------------------------------------------------------
125 int sjoy_get_axis(int joy, int axis)
126 {
127 return g_axis[joy][axis];
128 }
129
130 //----------------------------------------------------------------------
131 int sjoy_get_ps2_button(int joy)
132 {
133 int w = g_button[joy];
134 int a0 = g_axis[joy][0];
135 int a1 = g_axis[joy][1];
136 int th = 0x4000;
137
138 w |= (a0 < -th) ? SJOY_PS2_L_LEFT : 0;
139 w |= (a1 > th) ? SJOY_PS2_L_DOWN : 0;
140 w |= (a0 > th) ? SJOY_PS2_L_RIGHT : 0;
141 w |= (a1 < -th) ? SJOY_PS2_L_UP : 0;
142
143 return w;
144 }