Mercurial > sdl-ios-xcode
annotate src/joystick/os2/SDL_sysjoystick.c @ 2609:eec0c81ede06 gsoc2008_force_feedback
CONVERT now checks for overflows.
author | Edgar Simo <bobbens@gmail.com> |
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date | Tue, 05 Aug 2008 18:26:11 +0000 |
parents | c121d94672cb |
children | 99210400e8b9 |
rev | line source |
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1190 | 1 /* |
2 SDL - Simple DirectMedia Layer | |
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3 Copyright (C) 1997-2006 Sam Lantinga |
1190 | 4 |
5 This library is free software; you can redistribute it and/or | |
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6 modify it under the terms of the GNU Lesser General Public |
1190 | 7 License as published by the Free Software Foundation; either |
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8 version 2.1 of the License, or (at your option) any later version. |
1190 | 9 |
10 This library is distributed in the hope that it will be useful, | |
11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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13 Lesser General Public License for more details. |
1190 | 14 |
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
1190 | 18 |
19 Sam Lantinga | |
20 slouken@libsdl.org | |
21 */ | |
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22 #include "SDL_config.h" |
1190 | 23 |
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24 #ifdef SDL_JOYSTICK_OS2 |
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25 |
1190 | 26 /* OS/2 Joystick driver, contributed by Daniel Caetano */ |
27 | |
28 #include <mem.h> | |
29 | |
30 #define INCL_DOSDEVICES | |
31 #define INCL_DOSDEVIOCTL | |
32 #define INCL_DOSMEMMGR | |
33 #include <os2.h> | |
34 #include "joyos2.h" | |
35 | |
36 #include "SDL_joystick.h" | |
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37 #include "SDL_events.h" |
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38 #include "../SDL_sysjoystick.h" |
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39 #include "../SDL_joystick_c.h" |
1190 | 40 |
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41 HFILE hJoyPort = NULL; /* Joystick GAME$ Port Address */ |
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42 #define MAX_JOYSTICKS 2 /* Maximum of two joysticks */ |
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43 #define MAX_AXES 4 /* each joystick can have up to 4 axes */ |
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44 #define MAX_BUTTONS 8 /* 8 buttons */ |
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45 #define MAX_HATS 0 /* 0 hats - OS/2 doesn't support it */ |
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46 #define MAX_BALLS 0 /* and 0 balls - OS/2 doesn't support it */ |
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47 #define AXIS_MIN -32768 /* minimum value for axes coordinate */ |
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48 #define AXIS_MAX 32767 /* maximum value for axes coordinate */ |
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49 #define MAX_JOYNAME 128 /* Joystick name may have 128 characters */ |
1190 | 50 /* limit axes to 256 possible positions to filter out noise */ |
51 #define JOY_AXIS_THRESHOLD (((AXIS_MAX)-(AXIS_MIN))/256) | |
52 /* Calc Button Flag for buttons A to D */ | |
53 #define JOY_BUTTON_FLAG(n) (1<<n) | |
54 | |
55 /* Joystick data... hold information about detected devices */ | |
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56 typedef struct SYS_JoyData_s |
1190 | 57 { |
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58 Sint8 id; // Device ID |
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59 char szDeviceName[MAX_JOYNAME]; // Device Name |
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60 char axes; // Number of axes |
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61 char buttons; // Number of buttons |
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62 char hats; // Number of buttons |
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63 char balls; // Number of buttons |
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64 int axes_min[MAX_AXES]; // minimum callibration value for axes |
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65 int axes_med[MAX_AXES]; // medium callibration value for axes |
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66 int axes_max[MAX_AXES]; // maximum callibration value for axes |
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67 int buttoncalc[4]; // Used for buttons 5, 6, 7 and 8. |
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68 } SYS_JoyData_t, *SYS_JoyData_p; |
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69 |
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70 SYS_JoyData_t SYS_JoyData[MAX_JOYSTICKS]; |
1190 | 71 |
72 | |
73 /* Structure used to convert data from OS/2 driver format to SDL format */ | |
74 struct joystick_hwdata | |
75 { | |
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76 Sint8 id; |
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77 struct _transaxes |
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78 { |
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79 int offset; /* Center Offset */ |
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80 float scale1; /* Center to left/up Scale */ |
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81 float scale2; /* Center to right/down Scale */ |
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82 } transaxes[MAX_AXES]; |
1190 | 83 }; |
84 | |
85 /* Structure used to get values from Joystick Environment Variable */ | |
86 struct _joycfg | |
87 { | |
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88 char name[MAX_JOYNAME]; |
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89 unsigned int axes; |
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90 unsigned int buttons; |
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91 unsigned int hats; |
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92 unsigned int balls; |
1190 | 93 }; |
94 | |
95 /* OS/2 Implementation Function Prototypes */ | |
96 APIRET joyPortOpen(HFILE * hGame); | |
97 void joyPortClose(HFILE * hGame); | |
98 int joyGetData(char *joyenv, char *name, char stopchar, size_t maxchars); | |
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99 int joyGetEnv(struct _joycfg *joydata); |
1190 | 100 |
101 | |
102 | |
103 /************************************************************************/ | |
104 /* Function to scan the system for joysticks. */ | |
105 /* This function should set SDL_numjoysticks to the number of available */ | |
106 /* joysticks. Joystick 0 should be the system default joystick. */ | |
107 /* It should return 0, or -1 on an unrecoverable fatal error. */ | |
108 /************************************************************************/ | |
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109 int |
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110 SDL_SYS_JoystickInit(void) |
1190 | 111 { |
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112 APIRET rc; /* Generic OS/2 return code */ |
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113 GAME_PORT_STRUCT stJoyStatus; /* Joystick Status Structure */ |
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114 GAME_PARM_STRUCT stGameParms; /* Joystick Parameter Structure */ |
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115 GAME_CALIB_STRUCT stGameCalib; /* Calibration Struct */ |
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116 ULONG ulDataLen; /* Size of data */ |
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117 ULONG ulLastTick; /* Tick Counter for timing operations */ |
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118 Uint8 maxdevs; /* Maximum number of devices */ |
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119 Uint8 numdevs; /* Number of present devices */ |
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120 Uint8 maxbut; /* Maximum number of buttons... */ |
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121 Uint8 i; /* Temporary Count Vars */ |
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122 Uint8 ucNewJoystickMask; /* Mask for Joystick Detection */ |
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123 struct _joycfg joycfg; /* Joy Configuration from envvar */ |
1190 | 124 |
125 | |
126 /* Get Max Number of Devices */ | |
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127 rc = joyPortOpen(&hJoyPort); /* Open GAME$ port */ |
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128 if (rc != 0) |
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129 return 0; /* Cannot open... report no joystick */ |
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130 ulDataLen = sizeof(stGameParms); |
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131 rc = DosDevIOCtl(hJoyPort, IOCTL_CAT_USER, GAME_GET_PARMS, NULL, 0, NULL, &stGameParms, ulDataLen, &ulDataLen); /* Ask device info */ |
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132 if (rc != 0) { |
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133 joyPortClose(&hJoyPort); |
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134 SDL_SetError("Could not read joystick port."); |
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135 return -1; |
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136 } |
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137 if (stGameParms.useA != 0) |
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138 maxdevs++; |
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139 if (stGameParms.useB != 0) |
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140 maxdevs++; |
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141 if (maxdevs > MAX_JOYSTICKS) |
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142 maxdevs = MAX_JOYSTICKS; |
1190 | 143 |
144 /* Defines min/max axes values (callibration) */ | |
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145 ulDataLen = sizeof(stGameCalib); |
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146 rc = DosDevIOCtl(hJoyPort, IOCTL_CAT_USER, GAME_GET_CALIB, |
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147 NULL, 0, NULL, &stGameCalib, ulDataLen, &ulDataLen); |
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148 if (rc != 0) { |
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149 joyPortClose(&hJoyPort); |
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150 SDL_SetError("Could not read callibration data."); |
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151 return -1; |
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152 } |
1190 | 153 |
154 /* Determine how many joysticks are active */ | |
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155 numdevs = 0; /* Points no device */ |
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156 ucNewJoystickMask = 0x0F; /* read all 4 joystick axis */ |
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157 ulDataLen = sizeof(ucNewJoystickMask); |
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158 rc = DosDevIOCtl(hJoyPort, IOCTL_CAT_USER, GAME_PORT_RESET, |
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159 &ucNewJoystickMask, ulDataLen, &ulDataLen, NULL, 0, |
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160 NULL); |
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161 if (rc == 0) { |
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162 ulDataLen = sizeof(stJoyStatus); |
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163 rc = DosDevIOCtl(hJoyPort, IOCTL_CAT_USER, GAME_PORT_GET, |
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164 NULL, 0, NULL, &stJoyStatus, ulDataLen, &ulDataLen); |
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165 if (rc != 0) { |
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166 joyPortClose(&hJoyPort); |
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167 SDL_SetError("Could not call joystick port."); |
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168 return -1; |
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169 } |
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170 ulLastTick = stJoyStatus.ulJs_Ticks; |
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171 while (stJoyStatus.ulJs_Ticks == ulLastTick) { |
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172 rc = DosDevIOCtl(hJoyPort, IOCTL_CAT_USER, GAME_PORT_GET, |
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173 NULL, 0, NULL, &stJoyStatus, ulDataLen, |
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174 &ulDataLen); |
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175 } |
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176 if ((stJoyStatus.ucJs_JoyStickMask & 0x03) > 0) |
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177 numdevs++; |
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178 if (((stJoyStatus.ucJs_JoyStickMask >> 2) & 0x03) > 0) |
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179 numdevs++; |
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180 } |
1190 | 181 |
1895
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182 if (numdevs > maxdevs) |
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183 numdevs = maxdevs; |
1190 | 184 |
185 /* If *any* joystick was detected... Let's configure SDL for them */ | |
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186 if (numdevs > 0) { |
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187 /* Verify if it is a "user defined" joystick */ |
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188 if (joyGetEnv(&joycfg)) { |
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189 GAME_3POS_STRUCT *axis[4]; |
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190 axis[0] = &stGameCalib.Ax; |
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191 axis[1] = &stGameCalib.Ay; |
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192 axis[2] = &stGameCalib.Bx; |
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193 axis[3] = &stGameCalib.By; |
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194 /* Say it has one device only (user defined is always one device only) */ |
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195 numdevs = 1; |
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196 /* Define Device 0 as... */ |
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197 SYS_JoyData[0].id = 0; |
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198 /* Define Number of Axes... up to 4 */ |
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199 if (joycfg.axes > MAX_AXES) |
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200 joycfg.axes = MAX_AXES; |
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201 SYS_JoyData[0].axes = joycfg.axes; |
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202 /* Define number of buttons... 8 if 2 axes, 6 if 3 axes and 4 if 4 axes */ |
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203 maxbut = MAX_BUTTONS; |
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204 if (joycfg.axes > 2) |
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205 maxbut -= ((joycfg.axes - 2) << 1); /* MAX_BUTTONS - 2*(axes-2) */ |
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206 if (joycfg.buttons > maxbut) |
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207 joycfg.buttons = maxbut; |
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208 SYS_JoyData[0].buttons = joycfg.buttons; |
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209 /* Define number of hats */ |
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210 if (joycfg.hats > MAX_HATS) |
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211 joycfg.hats = MAX_HATS; |
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212 SYS_JoyData[0].hats = joycfg.hats; |
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213 /* Define number of balls */ |
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214 if (joycfg.balls > MAX_BALLS) |
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215 joycfg.balls = MAX_BALLS; |
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216 SYS_JoyData[0].balls = joycfg.balls; |
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217 /* Initialize Axes Callibration Values */ |
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218 for (i = 0; i < joycfg.axes; i++) { |
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219 SYS_JoyData[0].axes_min[i] = axis[i]->lower; |
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220 SYS_JoyData[0].axes_med[i] = axis[i]->centre; |
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221 SYS_JoyData[0].axes_max[i] = axis[i]->upper; |
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222 } |
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223 /* Initialize Buttons 5 to 8 structures */ |
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224 if (joycfg.buttons >= 5) |
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225 SYS_JoyData[0].buttoncalc[0] = |
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226 ((axis[2]->lower + axis[3]->centre) >> 1); |
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227 if (joycfg.buttons >= 6) |
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228 SYS_JoyData[0].buttoncalc[1] = |
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229 ((axis[3]->lower + axis[3]->centre) >> 1); |
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230 if (joycfg.buttons >= 7) |
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231 SYS_JoyData[0].buttoncalc[2] = |
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232 ((axis[2]->upper + axis[3]->centre) >> 1); |
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233 if (joycfg.buttons >= 8) |
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234 SYS_JoyData[0].buttoncalc[3] = |
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235 ((axis[3]->upper + axis[3]->centre) >> 1); |
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236 /* Intialize Joystick Name */ |
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237 SDL_strlcpy(SYS_JoyData[0].szDeviceName, joycfg.name, |
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238 SDL_arraysize(SYS_JoyData[0].szDeviceName)); |
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239 } |
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240 /* Default Init ... autoconfig */ |
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241 else { |
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242 /* if two devices were detected... configure as Joy1 4 axis and Joy2 2 axis */ |
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243 if (numdevs == 2) { |
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244 /* Define Device 0 as 4 axes, 4 buttons */ |
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245 SYS_JoyData[0].id = 0; |
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246 SYS_JoyData[0].axes = 4; |
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247 SYS_JoyData[0].buttons = 4; |
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248 SYS_JoyData[0].hats = 0; |
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249 SYS_JoyData[0].balls = 0; |
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250 SYS_JoyData[0].axes_min[0] = stGameCalib.Ax.lower; |
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251 SYS_JoyData[0].axes_med[0] = stGameCalib.Ax.centre; |
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252 SYS_JoyData[0].axes_max[0] = stGameCalib.Ax.upper; |
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253 SYS_JoyData[0].axes_min[1] = stGameCalib.Ay.lower; |
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254 SYS_JoyData[0].axes_med[1] = stGameCalib.Ay.centre; |
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255 SYS_JoyData[0].axes_max[1] = stGameCalib.Ay.upper; |
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256 SYS_JoyData[0].axes_min[2] = stGameCalib.Bx.lower; |
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257 SYS_JoyData[0].axes_med[2] = stGameCalib.Bx.centre; |
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258 SYS_JoyData[0].axes_max[2] = stGameCalib.Bx.upper; |
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259 SYS_JoyData[0].axes_min[3] = stGameCalib.By.lower; |
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260 SYS_JoyData[0].axes_med[3] = stGameCalib.By.centre; |
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261 SYS_JoyData[0].axes_max[3] = stGameCalib.By.upper; |
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262 /* Define Device 1 as 2 axes, 2 buttons */ |
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263 SYS_JoyData[1].id = 1; |
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264 SYS_JoyData[1].axes = 2; |
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265 SYS_JoyData[1].buttons = 2; |
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266 SYS_JoyData[1].hats = 0; |
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267 SYS_JoyData[1].balls = 0; |
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268 SYS_JoyData[1].axes_min[0] = stGameCalib.Bx.lower; |
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269 SYS_JoyData[1].axes_med[0] = stGameCalib.Bx.centre; |
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270 SYS_JoyData[1].axes_max[0] = stGameCalib.Bx.upper; |
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271 SYS_JoyData[1].axes_min[1] = stGameCalib.By.lower; |
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272 SYS_JoyData[1].axes_med[1] = stGameCalib.By.centre; |
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273 SYS_JoyData[1].axes_max[1] = stGameCalib.By.upper; |
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274 } |
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275 /* One joystick only? */ |
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276 else { |
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277 /* If it is joystick A... */ |
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278 if ((stJoyStatus.ucJs_JoyStickMask & 0x03) > 0) { |
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279 /* Define Device 0 as 2 axes, 4 buttons */ |
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280 SYS_JoyData[0].id = 0; |
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281 SYS_JoyData[0].axes = 2; |
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282 SYS_JoyData[0].buttons = 4; |
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283 SYS_JoyData[0].hats = 0; |
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284 SYS_JoyData[0].balls = 0; |
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285 SYS_JoyData[0].axes_min[0] = stGameCalib.Ax.lower; |
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286 SYS_JoyData[0].axes_med[0] = stGameCalib.Ax.centre; |
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287 SYS_JoyData[0].axes_max[0] = stGameCalib.Ax.upper; |
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288 SYS_JoyData[0].axes_min[1] = stGameCalib.Ay.lower; |
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289 SYS_JoyData[0].axes_med[1] = stGameCalib.Ay.centre; |
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290 SYS_JoyData[0].axes_max[1] = stGameCalib.Ay.upper; |
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291 } |
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292 /* If not, it is joystick B */ |
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293 else { |
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294 /* Define Device 1 as 2 axes, 2 buttons */ |
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295 SYS_JoyData[0].id = 1; |
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296 SYS_JoyData[0].axes = 2; |
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297 SYS_JoyData[0].buttons = 2; |
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298 SYS_JoyData[0].hats = 0; |
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299 SYS_JoyData[0].balls = 0; |
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300 SYS_JoyData[0].axes_min[0] = stGameCalib.Bx.lower; |
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301 SYS_JoyData[0].axes_med[0] = stGameCalib.Bx.centre; |
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302 SYS_JoyData[0].axes_max[0] = stGameCalib.Bx.upper; |
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303 SYS_JoyData[0].axes_min[1] = stGameCalib.By.lower; |
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304 SYS_JoyData[0].axes_med[1] = stGameCalib.By.centre; |
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305 SYS_JoyData[0].axes_max[1] = stGameCalib.By.upper; |
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306 } |
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307 } |
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308 /* Hack to define Joystick Port Names */ |
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309 if (numdevs > maxdevs) |
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310 numdevs = maxdevs; |
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311 for (i = 0; i < numdevs; i++) |
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312 SDL_snprintf(SYS_JoyData[i].szDeviceName, |
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313 SDL_arraysize(SYS_JoyData[i].szDeviceName), |
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314 "Default Joystick %c", 'A' + SYS_JoyData[i].id); |
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315 |
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316 } |
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317 } |
1190 | 318 /* Return the number of devices found */ |
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319 return (numdevs); |
1190 | 320 } |
321 | |
322 | |
323 /***********************************************************/ | |
324 /* Function to get the device-dependent name of a joystick */ | |
325 /***********************************************************/ | |
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326 const char * |
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327 SDL_SYS_JoystickName(int index) |
1190 | 328 { |
329 /* No need to verify if device exists, already done in upper layer */ | |
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330 return (SYS_JoyData[index].szDeviceName); |
1190 | 331 } |
332 | |
333 | |
334 | |
335 /******************************************************************************/ | |
336 /* Function to open a joystick for use. */ | |
337 /* The joystick to open is specified by the index field of the joystick. */ | |
338 /* This should fill the nbuttons and naxes fields of the joystick structure. */ | |
339 /* It returns 0, or -1 if there is an error. */ | |
340 /******************************************************************************/ | |
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341 int |
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342 SDL_SYS_JoystickOpen(SDL_Joystick * joystick) |
1190 | 343 { |
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344 int index; /* Index shortcut for index in joystick structure */ |
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345 int i; /* Generic Counter */ |
1190 | 346 |
347 /* allocate memory for system specific hardware data */ | |
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348 joystick->hwdata = |
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349 (struct joystick_hwdata *) SDL_malloc(sizeof(*joystick->hwdata)); |
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350 if (joystick->hwdata == NULL) { |
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351 SDL_OutOfMemory(); |
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352 return (-1); |
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353 } |
1190 | 354 /* Reset Hardware Data */ |
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355 SDL_memset(joystick->hwdata, 0, sizeof(*joystick->hwdata)); |
1190 | 356 |
357 /* ShortCut Pointer */ | |
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358 index = joystick->index; |
1190 | 359 /* Define offsets and scales for all axes */ |
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360 joystick->hwdata->id = SYS_JoyData[index].id; |
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361 for (i = 0; i < MAX_AXES; ++i) { |
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362 if ((i < 2) || i < SYS_JoyData[index].axes) { |
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363 joystick->hwdata->transaxes[i].offset = |
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364 ((AXIS_MAX + AXIS_MIN) >> 1) - SYS_JoyData[index].axes_med[i]; |
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365 //joystick->hwdata->transaxes[i].scale = (float)((AXIS_MAX - AXIS_MIN)/(SYS_JoyData[index].axes_max[i]-SYS_JoyData[index].axes_min[i])); |
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366 joystick->hwdata->transaxes[i].scale1 = |
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367 (float) abs((AXIS_MIN / SYS_JoyData[index].axes_min[i])); |
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368 joystick->hwdata->transaxes[i].scale2 = |
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369 (float) abs((AXIS_MAX / SYS_JoyData[index].axes_max[i])); |
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370 } else { |
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371 joystick->hwdata->transaxes[i].offset = 0; |
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372 //joystick->hwdata->transaxes[i].scale = 1.0; /* Just in case */ |
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373 joystick->hwdata->transaxes[i].scale1 = 1.0; /* Just in case */ |
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374 joystick->hwdata->transaxes[i].scale2 = 1.0; /* Just in case */ |
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375 } |
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376 } |
1190 | 377 |
378 /* fill nbuttons, naxes, and nhats fields */ | |
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379 joystick->nbuttons = SYS_JoyData[index].buttons; |
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380 joystick->naxes = SYS_JoyData[index].axes; |
1190 | 381 /* joystick->nhats = SYS_JoyData[index].hats; */ |
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382 joystick->nhats = 0; /* No support for hats at this time */ |
1190 | 383 /* joystick->nballs = SYS_JoyData[index].balls; */ |
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384 joystick->nballs = 0; /* No support for balls at this time */ |
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385 return 0; |
1190 | 386 } |
387 | |
388 | |
389 | |
390 /***************************************************************************/ | |
391 /* Function to update the state of a joystick - called as a device poll. */ | |
392 /* This function shouldn't update the joystick structure directly, */ | |
393 /* but instead should call SDL_PrivateJoystick*() to deliver events */ | |
394 /* and update joystick device state. */ | |
395 /***************************************************************************/ | |
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396 void |
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397 SDL_SYS_JoystickUpdate(SDL_Joystick * joystick) |
1190 | 398 { |
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399 APIRET rc; /* Generic OS/2 return code */ |
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400 int index; /* index shortcurt to joystick index */ |
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401 int i; /* Generic counter */ |
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402 int normbut; /* Number of buttons reported by joystick */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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403 int corr; /* Correction for button names */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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404 Sint16 value, change; /* Values used to update axis values */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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405 struct _transaxes *transaxes; /* Shortcut for Correction structure */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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406 Uint32 pos[MAX_AXES]; /* Vector to inform the Axis status */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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407 ULONG ulDataLen; /* Size of data */ |
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408 GAME_STATUS_STRUCT stGameStatus; /* Joystick Status Structure */ |
1190 | 409 |
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410 ulDataLen = sizeof(stGameStatus); |
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411 rc = DosDevIOCtl(hJoyPort, IOCTL_CAT_USER, GAME_GET_STATUS, |
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412 NULL, 0, NULL, &stGameStatus, ulDataLen, &ulDataLen); |
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413 if (rc != 0) { |
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414 SDL_SetError("Could not read joystick status."); |
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415 return; /* Could not read data */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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416 } |
1190 | 417 |
418 /* Shortcut pointer */ | |
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419 index = joystick->index; |
1190 | 420 /* joystick motion events */ |
421 | |
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422 if (SYS_JoyData[index].id == 0) { |
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423 pos[0] = stGameStatus.curdata.A.x; |
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424 pos[1] = stGameStatus.curdata.A.y; |
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425 if (SYS_JoyData[index].axes >= 3) |
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426 pos[2] = stGameStatus.curdata.B.x; |
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427 else |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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428 pos[2] = 0; |
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429 if (SYS_JoyData[index].axes >= 4) |
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430 pos[3] = stGameStatus.curdata.B.y; |
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431 else |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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432 pos[3] = 0; |
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433 pos[4] = 0; /* OS/2 basic drivers do not support more than 4 axes joysticks */ |
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434 pos[5] = 0; |
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435 } else if (SYS_JoyData[index].id == 1) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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436 pos[0] = stGameStatus.curdata.B.x; |
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437 pos[1] = stGameStatus.curdata.B.y; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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438 pos[2] = 0; |
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439 pos[3] = 0; |
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440 pos[4] = 0; |
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441 pos[5] = 0; |
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442 } |
1190 | 443 |
444 /* Corrects the movements using the callibration */ | |
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445 transaxes = joystick->hwdata->transaxes; |
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446 for (i = 0; i < joystick->naxes; i++) { |
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447 value = pos[i] + transaxes[i].offset; |
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448 if (value < 0) { |
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449 value *= transaxes[i].scale1; |
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450 if (value > 0) |
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451 value = AXIS_MIN; |
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452 } else { |
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453 value *= transaxes[i].scale2; |
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454 if (value < 0) |
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455 value = AXIS_MAX; |
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456 } |
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457 change = (value - joystick->axes[i]); |
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458 if ((change < -JOY_AXIS_THRESHOLD) || (change > JOY_AXIS_THRESHOLD)) { |
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459 SDL_PrivateJoystickAxis(joystick, (Uint8) i, (Sint16) value); |
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460 } |
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461 } |
1190 | 462 |
463 /* joystick button A to D events */ | |
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464 if (SYS_JoyData[index].id == 1) |
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465 corr = 2; |
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466 else |
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467 corr = 0; |
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468 normbut = 4; /* Number of normal buttons */ |
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469 if (joystick->nbuttons < normbut) |
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470 normbut = joystick->nbuttons; |
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471 for (i = corr; (i - corr) < normbut; ++i) { |
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472 /* |
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473 Button A: 1110 0000 |
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474 Button B: 1101 0000 |
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475 Button C: 1011 0000 |
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476 Button D: 0111 0000 |
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|
477 */ |
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478 if ((~stGameStatus.curdata.butMask) >> 4 & JOY_BUTTON_FLAG(i)) { |
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479 if (!joystick->buttons[i - corr]) { |
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480 SDL_PrivateJoystickButton(joystick, (Uint8) (i - corr), |
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|
481 SDL_PRESSED); |
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482 } |
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483 } else { |
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|
484 if (joystick->buttons[i - corr]) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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485 SDL_PrivateJoystickButton(joystick, (Uint8) (i - corr), |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
486 SDL_RELEASED); |
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487 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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488 } |
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|
489 } |
1190 | 490 |
491 /* Joystick button E to H buttons */ | |
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492 /* |
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493 Button E: Axis 2 X Left |
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494 Button F: Axis 2 Y Up |
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495 Button G: Axis 2 X Right |
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|
496 Button H: Axis 2 Y Down |
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|
497 */ |
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|
498 if (joystick->nbuttons >= 5) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
499 if (stGameStatus.curdata.B.x < SYS_JoyData[index].buttoncalc[0]) |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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500 SDL_PrivateJoystickButton(joystick, (Uint8) 4, SDL_PRESSED); |
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501 else |
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502 SDL_PrivateJoystickButton(joystick, (Uint8) 4, SDL_RELEASED); |
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503 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
504 if (joystick->nbuttons >= 6) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
505 if (stGameStatus.curdata.B.y < SYS_JoyData[index].buttoncalc[1]) |
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506 SDL_PrivateJoystickButton(joystick, (Uint8) 5, SDL_PRESSED); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
507 else |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
508 SDL_PrivateJoystickButton(joystick, (Uint8) 5, SDL_RELEASED); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
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|
509 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
510 if (joystick->nbuttons >= 7) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
511 if (stGameStatus.curdata.B.x > SYS_JoyData[index].buttoncalc[2]) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
512 SDL_PrivateJoystickButton(joystick, (Uint8) 6, SDL_PRESSED); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
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changeset
|
513 else |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
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changeset
|
514 SDL_PrivateJoystickButton(joystick, (Uint8) 6, SDL_RELEASED); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
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|
515 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
516 if (joystick->nbuttons >= 8) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
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changeset
|
517 if (stGameStatus.curdata.B.y > SYS_JoyData[index].buttoncalc[3]) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
518 SDL_PrivateJoystickButton(joystick, (Uint8) 7, SDL_PRESSED); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
519 else |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
520 SDL_PrivateJoystickButton(joystick, (Uint8) 7, SDL_RELEASED); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
521 } |
1190 | 522 |
523 /* joystick hat events */ | |
524 /* Not Supported under OS/2 */ | |
525 /* joystick ball events */ | |
526 /* Not Supported under OS/2 */ | |
527 } | |
528 | |
529 | |
530 | |
531 /******************************************/ | |
532 /* Function to close a joystick after use */ | |
533 /******************************************/ | |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
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|
534 void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
535 SDL_SYS_JoystickClose(SDL_Joystick * joystick) |
1190 | 536 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
537 if (joystick->hwdata != NULL) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
538 /* free system specific hardware data */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
539 SDL_free(joystick->hwdata); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
540 } |
1190 | 541 } |
542 | |
543 | |
544 | |
545 /********************************************************************/ | |
546 /* Function to perform any system-specific joystick related cleanup */ | |
547 /********************************************************************/ | |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
548 void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
549 SDL_SYS_JoystickQuit(void) |
1190 | 550 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
551 joyPortClose(&hJoyPort); |
1190 | 552 } |
553 | |
554 | |
555 | |
556 /************************/ | |
557 /************************/ | |
558 /* OS/2 Implementations */ | |
559 /************************/ | |
560 /************************/ | |
561 | |
562 | |
563 /*****************************************/ | |
564 /* Open Joystick Port, if not opened yet */ | |
565 /*****************************************/ | |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
566 APIRET |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
567 joyPortOpen(HFILE * hGame) |
1190 | 568 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
569 APIRET rc; /* Generic Return Code */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
570 ULONG ulAction; /* ? */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
571 ULONG ulVersion; /* Version of joystick driver */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
572 ULONG ulDataLen; /* Size of version data */ |
1190 | 573 |
574 /* Verifies if joyport is not already open... */ | |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
575 if (*hGame != NULL) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
576 return 0; |
1190 | 577 /* Open GAME$ for read */ |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
578 rc = DosOpen((PSZ) GAMEPDDNAME, hGame, &ulAction, 0, FILE_READONLY, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
579 FILE_OPEN, OPEN_ACCESS_READONLY | OPEN_SHARE_DENYNONE, NULL); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
580 if (rc != 0) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
581 SDL_SetError("Could not open Joystick Port."); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
582 return -1; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
583 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
584 |
1190 | 585 /* Get Joystick Driver Version... must be 2.0 or higher */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
586 ulVersion = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
587 ulDataLen = sizeof(ulVersion); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
588 rc = DosDevIOCtl(*hGame, IOCTL_CAT_USER, GAME_GET_VERSION, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
589 NULL, 0, NULL, &ulVersion, ulDataLen, &ulDataLen); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
590 if (rc != 0) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
591 joyPortClose(hGame); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
592 SDL_SetError("Could not get Joystick Driver version."); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
593 return -1; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
594 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
595 if (ulVersion < GAME_VERSION) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
596 joyPortClose(hGame); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
597 SDL_SetError |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
598 ("Driver too old. At least IBM driver version 2.0 required."); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
599 return -1; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
600 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
601 return 0; |
1190 | 602 } |
603 | |
604 | |
605 | |
606 /****************************/ | |
607 /* Close JoyPort, if opened */ | |
608 /****************************/ | |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
609 void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
610 joyPortClose(HFILE * hGame) |
1190 | 611 { |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
612 if (*hGame != NULL) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
613 DosClose(*hGame); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
614 *hGame = NULL; |
1190 | 615 } |
616 | |
617 | |
618 | |
619 /***************************/ | |
620 /* Get SDL Joystick EnvVar */ | |
621 /***************************/ | |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
622 int |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
623 joyGetEnv(struct _joycfg *joydata) |
1190 | 624 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
625 char *joyenv; /* Pointer to tested character */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
626 char tempnumber[5]; /* Temporary place to put numeric texts */ |
1190 | 627 |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
628 joyenv = SDL_getenv("SDL_OS2_JOYSTICK"); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
629 if (joyenv == NULL) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
630 return 0; |
1190 | 631 /* Joystick Environment is defined! */ |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
632 while (*joyenv == ' ' && *joyenv != 0) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
633 joyenv++; /* jump spaces... */ |
1190 | 634 /* If the string name starts with '... get if fully */ |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
635 if (*joyenv == '\'') |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
636 joyenv += |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
637 joyGetData(++joyenv, joydata->name, '\'', sizeof(joydata->name)); |
1190 | 638 /* If not, get it until the next space */ |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
639 else if (*joyenv == '\"') |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
640 joyenv += |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
641 joyGetData(++joyenv, joydata->name, '\"', sizeof(joydata->name)); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
642 else |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
643 joyenv += |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
644 joyGetData(joyenv, joydata->name, ' ', sizeof(joydata->name)); |
1190 | 645 /* Now get the number of axes */ |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
646 while (*joyenv == ' ' && *joyenv != 0) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
647 joyenv++; /* jump spaces... */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
648 joyenv += joyGetData(joyenv, tempnumber, ' ', sizeof(tempnumber)); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
649 joydata->axes = atoi(tempnumber); |
1190 | 650 /* Now get the number of buttons */ |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
651 while (*joyenv == ' ' && *joyenv != 0) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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diff
changeset
|
652 joyenv++; /* jump spaces... */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
653 joyenv += joyGetData(joyenv, tempnumber, ' ', sizeof(tempnumber)); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
654 joydata->buttons = atoi(tempnumber); |
1190 | 655 /* Now get the number of hats */ |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
656 while (*joyenv == ' ' && *joyenv != 0) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
657 joyenv++; /* jump spaces... */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
658 joyenv += joyGetData(joyenv, tempnumber, ' ', sizeof(tempnumber)); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
659 joydata->hats = atoi(tempnumber); |
1190 | 660 /* Now get the number of balls */ |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff
changeset
|
661 while (*joyenv == ' ' && *joyenv != 0) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
662 joyenv++; /* jump spaces... */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
663 joyenv += joyGetData(joyenv, tempnumber, ' ', sizeof(tempnumber)); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
664 joydata->balls = atoi(tempnumber); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
665 return 1; |
1190 | 666 } |
667 | |
668 | |
669 | |
670 /************************************************************************/ | |
671 /* Get a text from in the string starting in joyenv until it finds */ | |
672 /* the stopchar or maxchars is reached. The result is placed in name. */ | |
673 /************************************************************************/ | |
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674 int |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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675 joyGetData(char *joyenv, char *name, char stopchar, size_t maxchars) |
1190 | 676 { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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677 char *nameptr; /* Pointer to the selected character */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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678 int chcnt = 0; /* Count how many characters where copied */ |
1190 | 679 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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680 nameptr = name; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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681 while (*joyenv != stopchar && *joyenv != 0) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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682 if (nameptr < (name + (maxchars - 1))) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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683 *nameptr = *joyenv; /* Only copy if smaller than maximum */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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684 nameptr++; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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685 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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686 chcnt++; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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687 joyenv++; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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688 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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689 if (*joyenv == stopchar) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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690 joyenv++; /* Jump stopchar */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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691 chcnt++; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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692 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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693 *nameptr = 0; /* Mark last byte */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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694 return chcnt; |
1190 | 695 } |
696 | |
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Make sure code is only compiled if the appropriate subsystem is enabled
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697 #endif /* SDL_JOYSTICK_OS2 */ |
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698 /* vi: set ts=4 sw=4 expandtab: */ |