Mercurial > hg > old > magoroku_racing.bad

annotate 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
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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96
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1 // Copyright(C) 2001 Sony Computer Entertainment Inc. All Rights Reserved.
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2 //
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3 // "sjoy.c"
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4 //
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5 //
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6 #include <stdio.h>
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7 #include <unistd.h>
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8 #include <fcntl.h>
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9 #include <assert.h>
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10
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11
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12 #include "sjoy.h"
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13
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14 #define N_JOY 2
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15
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16 static char *g_devName[N_JOY] = {
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17 "/dev/js0",
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18 "/dev/js1",
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19 };
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20
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21 static int g_fd[N_JOY] = {
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22 -1, -1,
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23 };
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24
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25 //static __u32 g_button[N_JOY]; // max 32 buttons per joystick
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26 //static __s16 g_axis[N_JOY][2]; // max 2 axis per joystick
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27
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28 //----------------------------------------------------------------------
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29 int sjoy_open(void)
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30 {
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31 int joy;
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32
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33 sjoy_close();
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34
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35 for (joy = 0; joy < N_JOY; joy++) {
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36 assert(g_fd[joy] == -1);
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37 g_fd[joy] = open(g_devName[joy], O_RDONLY | O_NONBLOCK);
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38 if (g_fd[joy] < 0) {
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39 fprintf(stderr, "can't open %s\n", g_devName[joy]);
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40 fprintf(stderr,
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41 "You don't have permission, or should load module for joysticks.\n"
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42 "How to load joystick module:\n"
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43 " # modprobe ps2pad\n");
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44 return -1;
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45 }
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46 }
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47
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48 return 0;
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49 }
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50
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51 //----------------------------------------------------------------------
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52 int sjoy_close(void)
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53 {
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54 int joy;
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55 int fail = 0;
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56
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57 for (joy = 0; joy < N_JOY; joy++) {
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58 if (g_fd[joy] >= 0) {
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59 fail |= close(g_fd[joy]);
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60 }
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61 g_fd[joy] = -1;
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62 }
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63
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64 return fail ? -1 : 0;
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65 }
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66
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67 /* 適当に自作:miya */
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68 struct js_event
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69 {
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70 int type;
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71 int number;
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72 int value;
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73 };
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74
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75 int g_button[10];
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76 int g_axis[10][10];
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77
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78 #define JS_EVENT_INIT 1
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79 #define JS_EVENT_BUTTON 2
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80 #define JS_EVENT_AXIS 3
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81 /* ここまで適当に自作:miya */
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82
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83
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84 //----------------------------------------------------------------------
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85 void sjoy_poll(void)
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86 {
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87 int joy;
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88
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89 for (joy = 0; joy < N_JOY; joy++) {
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90 if (g_fd[joy] < 0) {
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91 continue;
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92 }
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93 for (; ;) {
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94 struct js_event e;
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95 int n = read(g_fd[joy], &e, sizeof(e));
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96 if (n != sizeof(e)) {
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97 break;
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98 }
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99 switch (e.type & ~JS_EVENT_INIT) {
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100 case JS_EVENT_BUTTON:
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101 g_button[joy] &= ~(1 << e.number);
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102 g_button[joy] |= (e.value << e.number);
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103 break;
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104
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105 case JS_EVENT_AXIS:
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106 g_axis[joy][e.number] = e.value;
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107 break;
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108
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109 default:
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110 assert(0);
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111 break;
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112 }
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113 }
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114 }
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115
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116 }
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117
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118 //----------------------------------------------------------------------
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119 int sjoy_get_button(int joy)
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120 {
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121 return g_button[joy];
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122 }
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123
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124 //----------------------------------------------------------------------
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125 int sjoy_get_axis(int joy, int axis)
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126 {
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127 return g_axis[joy][axis];
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128 }
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129
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130 //----------------------------------------------------------------------
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131 int sjoy_get_ps2_button(int joy)
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132 {
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133 int w = g_button[joy];
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134 int a0 = g_axis[joy][0];
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135 int a1 = g_axis[joy][1];
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136 int th = 0x4000;
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137
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138 w |= (a0 < -th) ? SJOY_PS2_L_LEFT : 0;
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139 w |= (a1 > th) ? SJOY_PS2_L_DOWN : 0;
0b65ca27f113 compile on Mac OS X 2
Atuto SHIROMA <e095729@ie.u-ryukyu.ac.jp>
parents:
diff changeset
140 w |= (a0 > th) ? SJOY_PS2_L_RIGHT : 0;
0b65ca27f113 compile on Mac OS X 2
Atuto SHIROMA <e095729@ie.u-ryukyu.ac.jp>
parents:
diff changeset
141 w |= (a1 < -th) ? SJOY_PS2_L_UP : 0;
0b65ca27f113 compile on Mac OS X 2
Atuto SHIROMA <e095729@ie.u-ryukyu.ac.jp>
parents:
diff changeset
142
0b65ca27f113 compile on Mac OS X 2
Atuto SHIROMA <e095729@ie.u-ryukyu.ac.jp>
parents:
diff changeset
143 return w;
0b65ca27f113 compile on Mac OS X 2
Atuto SHIROMA <e095729@ie.u-ryukyu.ac.jp>
parents:
diff changeset
144 }