annotate src/joystick/win32/SDL_mmjoystick.c @ 508:9ff7e90aaa94

Fixed gamma correction in Atari video drivers (thanks Patrice!)
author Sam Lantinga <slouken@libsdl.org>
date Sat, 05 Oct 2002 16:27:56 +0000
parents f6ffac90895c
children 8450e66651ea
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
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4
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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 Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 /* Win32 MultiMedia Joystick driver, contributed by Andrei de A. Formiga */
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29
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30 #include <stdlib.h>
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31 #include <stdio.h> /* For the definition of NULL */
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32
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33 #include "SDL_error.h"
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34 #include "SDL_joystick.h"
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35 #include "SDL_sysjoystick.h"
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36 #include "SDL_joystick_c.h"
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37
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38 #include <windows.h>
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39 #include <mmsystem.h>
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40
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41 #define MAX_JOYSTICKS 2 /* only 2 are supported in the multimedia API */
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42 #define MAX_AXES 6 /* each joystick can have up to 6 axes */
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43 #define MAX_BUTTONS 32 /* and 32 buttons */
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44 #define AXIS_MIN -32768 /* minimum value for axis coordinate */
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45 #define AXIS_MAX 32767 /* maximum value for axis coordinate */
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46 #define JOY_AXIS_THRESHOLD (((AXIS_MAX)-(AXIS_MIN))/100) /* 1% motion */
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47 #define JOY_BUTTON_FLAG(n) (1<<n)
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48
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49
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50 /* array to hold joystick ID values */
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51 static UINT SYS_JoystickID[MAX_JOYSTICKS];
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52 static JOYCAPS SYS_Joystick[MAX_JOYSTICKS];
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53
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54 /* The private structure used to keep track of a joystick */
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55 struct joystick_hwdata
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56 {
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57 /* joystick ID */
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58 UINT id;
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59
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60 /* values used to translate device-specific coordinates into
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61 SDL-standard ranges */
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62 struct _transaxis {
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63 int offset;
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64 float scale;
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65 } transaxis[6];
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66 };
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67
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68 /* Convert a win32 Multimedia API return code to a text message */
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69 static void SetMMerror(char *function, int code);
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70
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71
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72 /* Function to scan the system for joysticks.
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73 * This function should set SDL_numjoysticks to the number of available
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74 * joysticks. Joystick 0 should be the system default joystick.
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75 * It should return 0, or -1 on an unrecoverable fatal error.
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76 */
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77 int SDL_SYS_JoystickInit(void)
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78 {
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79 int i;
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80 int maxdevs;
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81 int numdevs;
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82 JOYINFOEX joyinfo;
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83 JOYCAPS joycaps;
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84 MMRESULT result;
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85
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86 numdevs = 0;
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87 maxdevs = joyGetNumDevs();
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88
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89 if ( maxdevs > MAX_JOYSTICKS ) {
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90 maxdevs = MAX_JOYSTICKS;
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91 }
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92
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93
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94 SYS_JoystickID[0] = JOYSTICKID1;
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95 SYS_JoystickID[1] = JOYSTICKID2;
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96
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97 for ( i = 0; (i < maxdevs); ++i ) {
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98
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99 /* added 8/31/2001 By Vitaliy Mikitchenko */
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100 joyinfo.dwSize = sizeof(joyinfo);
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101 joyinfo.dwFlags = JOY_RETURNALL;
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102 /* end addition */
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103
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104 result = joyGetPosEx(SYS_JoystickID[i], &joyinfo);
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105 if ( result == JOYERR_NOERROR ) {
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106 result = joyGetDevCaps(SYS_JoystickID[i], &joycaps, sizeof(joycaps));
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107 if ( result == JOYERR_NOERROR ) {
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108 SYS_JoystickID[numdevs] = SYS_JoystickID[i];
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109 SYS_Joystick[numdevs] = joycaps;
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110 numdevs++;
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111 }
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112 }
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113 }
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114 return(numdevs);
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115 }
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116
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117 /* Function to get the device-dependent name of a joystick */
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118 const char *SDL_SYS_JoystickName(int index)
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119 {
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120 /***-> test for invalid index ? */
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121 return(SYS_Joystick[index].szPname);
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122 }
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123
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124 /* Function to open a joystick for use.
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125 The joystick to open is specified by the index field of the joystick.
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126 This should fill the nbuttons and naxes fields of the joystick structure.
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127 It returns 0, or -1 if there is an error.
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128 */
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129 int SDL_SYS_JoystickOpen(SDL_Joystick *joystick)
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130 {
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131 int index, i;
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132 int caps_flags[MAX_AXES-2] =
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133 { JOYCAPS_HASZ, JOYCAPS_HASR, JOYCAPS_HASU, JOYCAPS_HASV };
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134 int axis_min[MAX_AXES], axis_max[MAX_AXES];
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135
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136
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137 /* shortcut */
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138 index = joystick->index;
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139 axis_min[0] = SYS_Joystick[index].wXmin;
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140 axis_max[0] = SYS_Joystick[index].wXmax;
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141 axis_min[1] = SYS_Joystick[index].wYmin;
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142 axis_max[1] = SYS_Joystick[index].wYmax;
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143 axis_min[2] = SYS_Joystick[index].wZmin;
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144 axis_max[2] = SYS_Joystick[index].wZmax;
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145 axis_min[3] = SYS_Joystick[index].wRmin;
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146 axis_max[3] = SYS_Joystick[index].wRmax;
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147 axis_min[4] = SYS_Joystick[index].wUmin;
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148 axis_max[4] = SYS_Joystick[index].wUmax;
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149 axis_min[5] = SYS_Joystick[index].wVmin;
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150 axis_max[5] = SYS_Joystick[index].wVmax;
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151
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152 /* allocate memory for system specific hardware data */
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153 joystick->hwdata = (struct joystick_hwdata *) malloc(sizeof(*joystick->hwdata));
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154 if (joystick->hwdata == NULL)
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155 {
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156 SDL_OutOfMemory();
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157 return(-1);
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158 }
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159 memset(joystick->hwdata, 0, sizeof(*joystick->hwdata));
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160
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161 /* set hardware data */
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162 joystick->hwdata->id = SYS_JoystickID[index];
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parents:
diff changeset
163 for ( i = 0; i < MAX_AXES; ++i ) {
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parents:
diff changeset
164 if ( (i<2) || (SYS_Joystick[index].wCaps & caps_flags[i-2]) ) {
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parents:
diff changeset
165 joystick->hwdata->transaxis[i].offset =
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
166 AXIS_MIN - axis_min[i];
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parents:
diff changeset
167 joystick->hwdata->transaxis[i].scale =
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parents:
diff changeset
168 (float)(AXIS_MAX - AXIS_MIN) / (axis_max[i] - axis_min[i]);
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parents:
diff changeset
169 } else {
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parents:
diff changeset
170 joystick->hwdata->transaxis[i].offset = 0;
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parents:
diff changeset
171 joystick->hwdata->transaxis[i].scale = 1.0; /* Just in case */
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parents:
diff changeset
172 }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
173 }
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parents:
diff changeset
174
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parents:
diff changeset
175 /* fill nbuttons, naxes, and nhats fields */
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parents:
diff changeset
176 joystick->nbuttons = SYS_Joystick[index].wNumButtons;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
177 joystick->naxes = SYS_Joystick[index].wNumAxes;
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parents:
diff changeset
178 if ( SYS_Joystick[index].wCaps & JOYCAPS_HASPOV ) {
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parents:
diff changeset
179 joystick->nhats = 1;
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parents:
diff changeset
180 } else {
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parents:
diff changeset
181 joystick->nhats = 0;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
182 }
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parents:
diff changeset
183 return(0);
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parents:
diff changeset
184 }
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parents:
diff changeset
185
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parents:
diff changeset
186 static Uint8 TranslatePOV(DWORD value)
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parents:
diff changeset
187 {
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parents:
diff changeset
188 Uint8 pos;
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parents:
diff changeset
189
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parents:
diff changeset
190 pos = SDL_HAT_CENTERED;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
191 if ( value != JOY_POVCENTERED ) {
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parents:
diff changeset
192 if ( (value > JOY_POVLEFT) || (value < JOY_POVRIGHT) ) {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
193 pos |= SDL_HAT_UP;
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parents:
diff changeset
194 }
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parents:
diff changeset
195 if ( (value > JOY_POVFORWARD) && (value < JOY_POVBACKWARD) ) {
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parents:
diff changeset
196 pos |= SDL_HAT_RIGHT;
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parents:
diff changeset
197 }
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parents:
diff changeset
198 if ( (value > JOY_POVRIGHT) && (value < JOY_POVLEFT) ) {
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parents:
diff changeset
199 pos |= SDL_HAT_DOWN;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
200 }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
201 if ( value > JOY_POVBACKWARD ) {
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parents:
diff changeset
202 pos |= SDL_HAT_LEFT;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
203 }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
204 }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
205 return(pos);
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parents:
diff changeset
206 }
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parents:
diff changeset
207
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parents:
diff changeset
208 /* Function to update the state of a joystick - called as a device poll.
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
209 * This function shouldn't update the joystick structure directly,
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
210 * but instead should call SDL_PrivateJoystick*() to deliver events
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
211 * and update joystick device state.
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parents:
diff changeset
212 */
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parents:
diff changeset
213 void SDL_SYS_JoystickUpdate(SDL_Joystick *joystick)
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parents:
diff changeset
214 {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
215 MMRESULT result;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
216 int i;
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parents:
diff changeset
217 DWORD flags[MAX_AXES] = { JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ,
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
218 JOY_RETURNR, JOY_RETURNU, JOY_RETURNV };
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
219 DWORD pos[MAX_AXES];
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
220 struct _transaxis *transaxis;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
221 int value, change;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
222 JOYINFOEX joyinfo;
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parents:
diff changeset
223
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
224 joyinfo.dwSize = sizeof(joyinfo);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
225 joyinfo.dwFlags = JOY_RETURNALL|JOY_RETURNPOVCTS;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
226 if ( ! joystick->hats ) {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
227 joyinfo.dwFlags &= ~(JOY_RETURNPOV|JOY_RETURNPOVCTS);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
228 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
229 result = joyGetPosEx(joystick->hwdata->id, &joyinfo);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
230 if ( result != JOYERR_NOERROR ) {
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parents:
diff changeset
231 SetMMerror("joyGetPosEx", result);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
232 return;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
233 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
234
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
235 /* joystick motion events */
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
236 pos[0] = joyinfo.dwXpos;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
237 pos[1] = joyinfo.dwYpos;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
238 pos[2] = joyinfo.dwZpos;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
239 pos[3] = joyinfo.dwRpos;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
240 pos[4] = joyinfo.dwUpos;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
241 pos[5] = joyinfo.dwVpos;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
242
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
243 transaxis = joystick->hwdata->transaxis;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
244 for (i = 0; i < joystick->naxes; i++) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
245 if (joyinfo.dwFlags & flags[i]) {
49
6f3c474f9abd Fixed bug in joystick motion, thanks to Alexandre Duret-Lutz
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
246 value = (int)(((float)pos[i] + transaxis[i].offset) * transaxis[i].scale);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
247 change = (value - joystick->axes[i]);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
248 if ( (change < -JOY_AXIS_THRESHOLD) || (change > JOY_AXIS_THRESHOLD) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
249 SDL_PrivateJoystickAxis(joystick, (Uint8)i, (Sint16)value);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
250 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
251 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
252 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
253
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
254 /* joystick button events */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
255 if ( joyinfo.dwFlags & JOY_RETURNBUTTONS ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
256 for ( i = 0; i < joystick->nbuttons; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
257 if ( joyinfo.dwButtons & JOY_BUTTON_FLAG(i) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
258 if ( ! joystick->buttons[i] ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
259 SDL_PrivateJoystickButton(joystick, (Uint8)i, SDL_PRESSED);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
260 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
261 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
262 if ( joystick->buttons[i] ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
263 SDL_PrivateJoystickButton(joystick, (Uint8)i, SDL_RELEASED);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
264 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
265 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
266 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
267 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
268
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
269 /* joystick hat events */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
270 if ( joyinfo.dwFlags & JOY_RETURNPOV ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
271 Uint8 pos;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
272
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
273 pos = TranslatePOV(joyinfo.dwPOV);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
274 if ( pos != joystick->hats[0] ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
275 SDL_PrivateJoystickHat(joystick, 0, pos);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
276 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
277 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
278 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
279
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
280 /* Function to close a joystick after use */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
281 void SDL_SYS_JoystickClose(SDL_Joystick *joystick)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
282 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
283 if (joystick->hwdata != NULL) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
284 /* free system specific hardware data */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
285 free(joystick->hwdata);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
286 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
287 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
288
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
289 /* Function to perform any system-specific joystick related cleanup */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
290 void SDL_SYS_JoystickQuit(void)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
291 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
292 return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
293 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
294
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
295
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
296 /* implementation functions */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
297 void SetMMerror(char *function, int code)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
298 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
299 static char *error;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
300 static char errbuf[BUFSIZ];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
301
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
302 errbuf[0] = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
303 switch (code)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
304 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
305 case MMSYSERR_NODRIVER:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
306 error = "Joystick driver not present";
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
307 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
308
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
309 case MMSYSERR_INVALPARAM:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
310 case JOYERR_PARMS:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
311 error = "Invalid parameter(s)";
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
312 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
313
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
314 case MMSYSERR_BADDEVICEID:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
315 error = "Bad device ID";
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
316 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
317
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
318 case JOYERR_UNPLUGGED:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
319 error = "Joystick not attached";
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
320 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
321
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
322 case JOYERR_NOCANDO:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
323 error = "Can't capture joystick input";
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
324 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
325
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
326 default:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
327 sprintf(errbuf, "%s: Unknown Multimedia system error: 0x%x",
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
328 function, code);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
329 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
330 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
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331
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332 if ( ! errbuf[0] ) {
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333 sprintf(errbuf, "%s: %s", function, error);
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334 }
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Sam Lantinga <slouken@lokigames.com>
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335 SDL_SetError("%s", errbuf);
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336 }