Mercurial > sdl-ios-xcode
annotate src/haptic/linux/SDL_syshaptic.c @ 3168:6338b7f2d024
Hi,
I have prepared a set of patches to readd WindowsCE support to SDL 1.3.
I've created a new GAPI/Rawframebuffer and a DirectDraw renderer.
Both renderers are work in progress and there are several unimplemented
cases. (Notably
RenderLine/RenderPoint/RenderFill/QueryTexturePixels/UpdateTexture and
texture blending )
Nevertheless I am successfully using these renderers together with the
SDL software renderer. (On most devices the SDL software renderer will
be much faster as there are only badly optimized vendor drivers available)
I send these patches now in this unpolished state because there seems to
be some interest in win ce and someone has to start supporting SDL 1.3
Now on to the patches:
wince_events_window_fixes.patch
fixes some wince incompatibilities and adds fullscreen support via
SHFullScreen. NOTE: This patch shouldn't have any side effects on
Windows, but I have NOT tested it on Windows, so please double-check.
This patch doesn't dependent on the following ones.
wince_renderers_system.patch
This patch does all necessary modifications to the SDL system.
- it adds the renderers to the configure system
- it adds the renderers to win32video
SDL_ceddrawrender.c
SDL_ceddrawrender.h
SDL_gapirender_c.h
SDL_gapirender.c
SDL_gapirender.h
these files add the new render drivers and should be placed in
src/video/win32
Some notes to people who want to test this:
- I have only compiled sdl with ming32ce, so the VisualC files are not
up to date
- As mingw32ce has no ddraw.h this file must be taken from the MS SDK
and modified to work with gcc
- I had to modify line 2611 in configure.in to
EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lcoredll -lcommctrl -lmmtimer
-Wl,--image-base -Wl,0x10000"
otherwise GetCPinfo wouldn't link. If someone knows whats causing this
I'd be happy to hear about it.
It would be great if these patches could make their way into SVN as this
would make collaboration much much easier.
I'm out of office for the next week and therefore will be unavailable
via email.
Regards
Stefan
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sun, 07 Jun 2009 02:44:46 +0000 |
parents | 4094b4f1c3a1 |
children | 81773a1eac83 |
rev | line source |
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1 /* |
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2 SDL - Simple DirectMedia Layer |
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3 Copyright (C) 2008 Edgar Simo |
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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 Lesser General Public |
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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. |
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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 Lesser 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 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 |
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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 #include "SDL_config.h" |
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23 |
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24 #ifdef SDL_HAPTIC_LINUX |
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25 |
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26 #include "SDL_haptic.h" |
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27 #include "../SDL_syshaptic.h" |
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28 #include "SDL_joystick.h" |
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29 #include "../../joystick/SDL_sysjoystick.h" /* For the real SDL_Joystick */ |
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30 #include "../../joystick/linux/SDL_sysjoystick_c.h" /* For joystick hwdata */ |
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31 |
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32 #include <unistd.h> /* close */ |
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33 #include <linux/input.h> /* Force feedback linux stuff. */ |
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34 #include <fcntl.h> /* O_RDWR */ |
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35 #include <limits.h> /* INT_MAX */ |
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36 #include <errno.h> /* errno, strerror */ |
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37 #include <math.h> /* atan2 */ |
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38 |
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39 /* Just in case. */ |
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40 #ifndef M_PI |
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41 # define M_PI 3.14159265358979323846 |
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42 #endif |
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43 |
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44 |
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45 #define MAX_HAPTICS 32 /* It's doubtful someone has more then 32 evdev */ |
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46 |
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47 |
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48 /* |
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49 * List of available haptic devices. |
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50 */ |
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51 static struct |
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52 { |
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53 char *fname; /* Dev path name (like /dev/input/event1) */ |
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54 SDL_Haptic *haptic; /* Assosciated haptic. */ |
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55 } SDL_hapticlist[MAX_HAPTICS]; |
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56 |
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57 |
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58 /* |
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59 * Haptic system hardware data. |
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60 */ |
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61 struct haptic_hwdata |
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62 { |
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63 int fd; /* File descriptor of the device. */ |
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64 char *fname; /* Points to the name in SDL_hapticlist. */ |
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65 }; |
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66 |
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67 |
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68 /* |
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69 * Haptic system effect data. |
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70 */ |
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71 struct haptic_hweffect |
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72 { |
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73 struct ff_effect effect; /* The linux kernel effect structure. */ |
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74 }; |
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75 |
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76 |
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77 |
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78 #define test_bit(nr, addr) \ |
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79 (((1UL << ((nr) & 31)) & (((const unsigned int *) addr)[(nr) >> 5])) != 0) |
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80 #define EV_TEST(ev,f) \ |
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81 if (test_bit((ev), features)) ret |= (f); |
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82 /* |
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83 * Test whether a device has haptic properties. |
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84 * Returns available properties or 0 if there are none. |
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85 */ |
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86 static int |
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87 EV_IsHaptic(int fd) |
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88 { |
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89 unsigned int ret; |
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90 unsigned long features[1 + FF_MAX / sizeof(unsigned long)]; |
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91 |
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92 /* Ask device for what it has. */ |
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93 ret = 0; |
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94 if (ioctl(fd, EVIOCGBIT(EV_FF, sizeof(features)), features) < 0) { |
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95 SDL_SetError("Haptic: Unable to get device's features: %s", |
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96 strerror(errno)); |
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97 return -1; |
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98 } |
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99 |
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100 /* Convert supported features to SDL_HAPTIC platform-neutral features. */ |
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101 EV_TEST(FF_CONSTANT, SDL_HAPTIC_CONSTANT); |
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102 EV_TEST(FF_SINE, SDL_HAPTIC_SINE); |
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103 EV_TEST(FF_SQUARE, SDL_HAPTIC_SQUARE); |
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104 EV_TEST(FF_TRIANGLE, SDL_HAPTIC_TRIANGLE); |
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105 EV_TEST(FF_SAW_UP, SDL_HAPTIC_SAWTOOTHUP); |
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106 EV_TEST(FF_SAW_DOWN, SDL_HAPTIC_SAWTOOTHDOWN); |
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107 EV_TEST(FF_RAMP, SDL_HAPTIC_RAMP); |
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108 EV_TEST(FF_SPRING, SDL_HAPTIC_SPRING); |
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109 EV_TEST(FF_FRICTION, SDL_HAPTIC_FRICTION); |
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110 EV_TEST(FF_DAMPER, SDL_HAPTIC_DAMPER); |
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111 EV_TEST(FF_INERTIA, SDL_HAPTIC_INERTIA); |
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112 EV_TEST(FF_CUSTOM, SDL_HAPTIC_CUSTOM); |
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113 EV_TEST(FF_GAIN, SDL_HAPTIC_GAIN); |
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114 EV_TEST(FF_AUTOCENTER, SDL_HAPTIC_AUTOCENTER); |
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115 |
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116 /* Return what it supports. */ |
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117 return ret; |
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118 } |
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119 |
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120 |
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121 /* |
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122 * Tests whether a device is a mouse or not. |
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123 */ |
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124 static int |
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125 EV_IsMouse(int fd) |
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126 { |
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127 unsigned long argp[40]; |
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128 |
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129 /* Ask for supported features. */ |
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130 if (ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(argp)), argp) < 0) { |
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131 return -1; |
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132 } |
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133 |
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134 /* Currently we only test for BTN_MOUSE which can give fake positives. */ |
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135 if (test_bit(BTN_MOUSE, argp) != 0) { |
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136 return 1; |
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137 } |
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138 |
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139 return 0; |
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140 } |
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141 |
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142 /* |
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143 * Initializes the haptic subsystem by finding available devices. |
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144 */ |
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145 int |
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146 SDL_SYS_HapticInit(void) |
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147 { |
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148 const char joydev_pattern[] = "/dev/input/event%d"; |
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149 dev_t dev_nums[MAX_HAPTICS]; |
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150 char path[PATH_MAX]; |
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151 struct stat sb; |
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152 int fd; |
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153 int i, j, k; |
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154 int duplicate; |
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155 int numhaptics; |
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156 |
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157 numhaptics = 0; |
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158 |
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159 /* |
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160 * Limit amount of checks to MAX_HAPTICS since we may or may not have |
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161 * permission to some or all devices. |
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162 */ |
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163 i = 0; |
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164 for (j = 0; j < MAX_HAPTICS; ++j) { |
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165 |
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166 snprintf(path, PATH_MAX, joydev_pattern, i++); |
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167 |
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168 /* check to see if file exists */ |
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169 if (stat(path, &sb) != 0) |
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170 break; |
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171 |
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172 /* check for duplicates */ |
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173 duplicate = 0; |
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174 for (k = 0; (k < numhaptics) && !duplicate; ++k) { |
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175 if (sb.st_rdev == dev_nums[k]) { |
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176 duplicate = 1; |
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177 } |
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178 } |
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179 if (duplicate) { |
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180 continue; |
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181 } |
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182 |
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183 /* try to open */ |
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184 fd = open(path, O_RDWR, 0); |
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185 if (fd < 0) |
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186 continue; |
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187 |
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188 #ifdef DEBUG_INPUT_EVENTS |
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189 printf("Checking %s\n", path); |
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190 #endif |
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191 |
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192 /* see if it works */ |
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193 if (EV_IsHaptic(fd) > 0) { |
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194 SDL_hapticlist[numhaptics].fname = SDL_strdup(path); |
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195 SDL_hapticlist[numhaptics].haptic = NULL; |
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196 dev_nums[numhaptics] = sb.st_rdev; |
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197 ++numhaptics; |
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198 } |
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199 close(fd); |
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200 } |
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201 |
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202 return numhaptics; |
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203 } |
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204 |
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205 |
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206 /* |
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207 * Gets the name from a file descriptor. |
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208 */ |
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209 static const char * |
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210 SDL_SYS_HapticNameFromFD(int fd) |
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211 { |
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212 static char namebuf[128]; |
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213 |
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214 /* We use the evdev name ioctl. */ |
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215 if (ioctl(fd, EVIOCGNAME(sizeof(namebuf)), namebuf) <= 0) { |
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216 return NULL; |
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217 } |
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218 |
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219 return namebuf; |
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220 } |
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221 |
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222 |
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223 /* |
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224 * Return the name of a haptic device, does not need to be opened. |
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225 */ |
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226 const char * |
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227 SDL_SYS_HapticName(int index) |
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228 { |
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229 int fd; |
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230 const char *name; |
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231 |
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232 /* Open the haptic device. */ |
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233 name = NULL; |
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234 fd = open(SDL_hapticlist[index].fname, O_RDONLY, 0); |
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235 |
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236 if (fd >= 0) { |
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237 |
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238 name = SDL_SYS_HapticNameFromFD(fd); |
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239 if (name == NULL) { |
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240 /* No name found, return device character device */ |
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241 name = SDL_hapticlist[index].fname; |
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242 } |
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243 } |
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244 close(fd); |
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245 |
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246 return name; |
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247 } |
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248 |
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249 |
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250 /* |
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251 * Opens the haptic device from the file descriptor. |
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252 */ |
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253 static int |
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254 SDL_SYS_HapticOpenFromFD(SDL_Haptic * haptic, int fd) |
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255 { |
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256 const char *name; |
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257 |
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258 /* Allocate the hwdata */ |
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259 haptic->hwdata = (struct haptic_hwdata *) |
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260 SDL_malloc(sizeof(*haptic->hwdata)); |
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261 if (haptic->hwdata == NULL) { |
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262 SDL_OutOfMemory(); |
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263 goto open_err; |
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264 } |
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265 SDL_memset(haptic->hwdata, 0, sizeof(*haptic->hwdata)); |
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266 |
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267 /* Set the data. */ |
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268 haptic->hwdata->fd = fd; |
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269 haptic->supported = EV_IsHaptic(fd); |
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270 haptic->naxes = 2; /* Hardcoded for now, not sure if it's possible to find out. */ |
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271 |
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272 /* Set the effects */ |
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273 if (ioctl(fd, EVIOCGEFFECTS, &haptic->neffects) < 0) { |
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274 SDL_SetError("Haptic: Unable to query device memory: %s", |
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275 strerror(errno)); |
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276 goto open_err; |
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277 } |
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278 haptic->nplaying = haptic->neffects; /* Linux makes no distinction. */ |
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279 haptic->effects = (struct haptic_effect *) |
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280 SDL_malloc(sizeof(struct haptic_effect) * haptic->neffects); |
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281 if (haptic->effects == NULL) { |
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282 SDL_OutOfMemory(); |
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283 goto open_err; |
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284 } |
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285 /* Clear the memory */ |
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286 SDL_memset(haptic->effects, 0, |
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287 sizeof(struct haptic_effect) * haptic->neffects); |
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288 |
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289 return 0; |
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290 |
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291 /* Error handling */ |
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292 open_err: |
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293 close(fd); |
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294 if (haptic->hwdata != NULL) { |
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295 free(haptic->hwdata); |
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296 haptic->hwdata = NULL; |
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297 } |
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298 return -1; |
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299 } |
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300 |
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301 |
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302 /* |
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303 * Opens a haptic device for usage. |
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304 */ |
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305 int |
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306 SDL_SYS_HapticOpen(SDL_Haptic * haptic) |
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307 { |
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308 int fd; |
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309 int ret; |
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310 |
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311 /* Open the character device */ |
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312 fd = open(SDL_hapticlist[haptic->index].fname, O_RDWR, 0); |
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313 if (fd < 0) { |
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314 SDL_SetError("Haptic: Unable to open %s: %s", |
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315 SDL_hapticlist[haptic->index], strerror(errno)); |
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316 return -1; |
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317 } |
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318 |
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319 /* Try to create the haptic. */ |
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320 ret = SDL_SYS_HapticOpenFromFD(haptic, fd); /* Already closes on error. */ |
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321 if (ret < 0) { |
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322 return -1; |
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323 } |
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324 |
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325 /* Set the fname. */ |
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326 haptic->hwdata->fname = SDL_hapticlist[haptic->index].fname; |
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327 return 0; |
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328 } |
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329 |
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330 |
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331 /* |
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332 * Opens a haptic device from first mouse it finds for usage. |
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333 */ |
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334 int |
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335 SDL_SYS_HapticMouse(void) |
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336 { |
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337 int fd; |
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338 int i; |
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339 |
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340 for (i = 0; i < SDL_numhaptics; i++) { |
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341 |
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342 /* Open the device. */ |
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343 fd = open(SDL_hapticlist[i].fname, O_RDWR, 0); |
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344 if (fd < 0) { |
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345 SDL_SetError("Haptic: Unable to open %s: %s", |
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346 SDL_hapticlist[i], strerror(errno)); |
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347 return -1; |
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348 } |
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349 |
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350 /* Is it a mouse? */ |
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351 if (EV_IsMouse(fd)) { |
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352 close(fd); |
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353 return i; |
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354 } |
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355 |
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356 close(fd); |
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357 } |
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358 |
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359 return -1; |
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360 } |
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361 |
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362 |
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363 /* |
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364 * Checks to see if a joystick has haptic features. |
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365 */ |
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366 int |
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367 SDL_SYS_JoystickIsHaptic(SDL_Joystick * joystick) |
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368 { |
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369 return EV_IsHaptic(joystick->hwdata->fd); |
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370 } |
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371 |
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372 |
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373 /* |
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374 * Checks to see if the haptic device and joystick and in reality the same. |
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375 */ |
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376 int |
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377 SDL_SYS_JoystickSameHaptic(SDL_Haptic * haptic, SDL_Joystick * joystick) |
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378 { |
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379 /* We are assuming linux is using evdev which should trump the old |
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380 * joystick methods. */ |
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381 if (SDL_strcmp(joystick->hwdata->fname, haptic->hwdata->fname) == 0) { |
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382 return 1; |
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383 } |
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384 return 0; |
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385 } |
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386 |
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387 |
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388 /* |
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389 * Opens a SDL_Haptic from a SDL_Joystick. |
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390 */ |
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391 int |
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392 SDL_SYS_HapticOpenFromJoystick(SDL_Haptic * haptic, SDL_Joystick * joystick) |
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393 { |
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394 int i; |
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395 int fd; |
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396 int ret; |
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397 |
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398 |
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399 /* Find the joystick in the haptic list. */ |
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400 for (i = 0; i < MAX_HAPTICS; i++) { |
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401 if (SDL_hapticlist[i].fname != NULL) { |
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402 if (SDL_strcmp(SDL_hapticlist[i].fname, joystick->hwdata->fname) |
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403 == 0) { |
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404 haptic->index = i; |
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405 break; |
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406 } |
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407 } |
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408 } |
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409 if (i >= MAX_HAPTICS) { |
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410 SDL_SetError("Haptic: Joystick doesn't have Haptic capabilities"); |
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411 return -1; |
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412 } |
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413 |
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414 fd = open(joystick->hwdata->fname, O_RDWR, 0); |
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415 if (fd < 0) { |
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416 SDL_SetError("Haptic: Unable to open %s: %s", |
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417 joystick->hwdata->fname, strerror(errno)); |
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418 return -1; |
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419 } |
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420 ret = SDL_SYS_HapticOpenFromFD(haptic, fd); /* Already closes on error. */ |
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421 if (ret < 0) { |
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422 return -1; |
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423 } |
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424 |
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425 haptic->hwdata->fname = SDL_hapticlist[haptic->index].fname; |
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426 return 0; |
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427 } |
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428 |
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429 |
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430 /* |
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431 * Closes the haptic device. |
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432 */ |
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433 void |
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434 SDL_SYS_HapticClose(SDL_Haptic * haptic) |
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435 { |
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436 if (haptic->hwdata) { |
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437 |
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438 /* Free effects. */ |
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439 SDL_free(haptic->effects); |
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440 haptic->effects = NULL; |
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441 haptic->neffects = 0; |
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442 |
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443 /* Clean up */ |
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444 close(haptic->hwdata->fd); |
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445 |
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446 /* Free */ |
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447 SDL_free(haptic->hwdata); |
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448 haptic->hwdata = NULL; |
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449 } |
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450 |
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451 /* Clear the rest. */ |
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452 SDL_memset(haptic, 0, sizeof(SDL_Haptic)); |
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453 } |
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454 |
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455 |
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456 /* |
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457 * Clean up after system specific haptic stuff |
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458 */ |
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459 void |
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460 SDL_SYS_HapticQuit(void) |
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461 { |
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462 int i; |
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463 |
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464 for (i = 0; SDL_hapticlist[i].fname != NULL; i++) { |
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465 /* Opened and not closed haptics are leaked, this is on purpose. |
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466 * Close your haptic devices after usage. */ |
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467 |
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468 SDL_free(SDL_hapticlist[i].fname); |
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469 } |
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470 SDL_hapticlist[0].fname = NULL; |
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471 } |
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472 |
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473 |
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474 /* |
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475 * Converts an SDL button to a ff_trigger button. |
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476 */ |
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477 static Uint16 |
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478 SDL_SYS_ToButton(Uint16 button) |
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479 { |
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480 Uint16 ff_button; |
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481 |
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482 ff_button = 0; |
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483 |
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484 /* |
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485 * Not sure what the proper syntax is because this actually isn't implemented |
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486 * in the current kernel from what I've seen (2.6.26). |
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487 */ |
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488 if (button != 0) { |
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489 ff_button = BTN_GAMEPAD + button - 1; |
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490 } |
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491 |
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492 return ff_button; |
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493 } |
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494 |
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495 |
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496 /* |
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497 * Returns the ff_effect usable direction from a SDL_HapticDirection. |
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498 */ |
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499 static Uint16 |
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500 SDL_SYS_ToDirection(SDL_HapticDirection * dir) |
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501 { |
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502 Uint32 tmp; |
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503 float f; /* Ideally we'd use fixed point math instead of floats... */ |
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504 |
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505 switch (dir->type) { |
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506 case SDL_HAPTIC_POLAR: |
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507 /* Linux directions are inverted. */ |
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508 tmp = (((18000 + dir->dir[0]) % 36000) * 0xFFFF) / 36000; |
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509 return (Uint16) tmp; |
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510 |
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511 case SDL_HAPTIC_CARTESIAN: |
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512 /* We must invert "x" and "y" to go clockwise. */ |
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513 f = atan2(dir->dir[0], dir->dir[1]); |
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514 tmp = (int) (f * 18000. / M_PI) % 36000; |
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515 tmp = (tmp * 0xFFFF) / 36000; |
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516 return (Uint16) tmp; |
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|
517 |
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518 case SDL_HAPTIC_SPHERICAL: |
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519 tmp = (36000 - dir->dir[0]) + 27000; /* Convert to polars */ |
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520 tmp = (((18000 + tmp) % 36000) * 0xFFFF) / 36000; |
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521 return (Uint16) tmp; |
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522 |
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523 default: |
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524 SDL_SetError("Haptic: Unsupported direction type."); |
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525 return (Uint16) - 1; |
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526 } |
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|
527 |
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528 return 0; |
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|
529 } |
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530 |
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|
531 |
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532 #define CLAMP(x) (((x) > 32767) ? 32767 : x) |
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533 /* |
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534 * Initializes the linux effect struct from a haptic_effect. |
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535 * Values above 32767 (for unsigned) are unspecified so we must clamp. |
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536 */ |
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537 static int |
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538 SDL_SYS_ToFFEffect(struct ff_effect *dest, SDL_HapticEffect * src) |
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539 { |
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540 Uint32 tmp; |
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541 SDL_HapticConstant *constant; |
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542 SDL_HapticPeriodic *periodic; |
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543 SDL_HapticCondition *condition; |
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544 SDL_HapticRamp *ramp; |
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545 |
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546 /* Clear up */ |
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547 SDL_memset(dest, 0, sizeof(struct ff_effect)); |
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548 |
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549 switch (src->type) { |
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550 case SDL_HAPTIC_CONSTANT: |
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551 constant = &src->constant; |
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552 |
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553 /* Header */ |
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554 dest->type = FF_CONSTANT; |
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555 dest->direction = SDL_SYS_ToDirection(&constant->direction); |
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556 if (dest->direction == (Uint16) - 1) |
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557 return -1; |
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558 |
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559 /* Replay */ |
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560 dest->replay.length = (constant->length == SDL_HAPTIC_INFINITY) ? |
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561 0 : CLAMP(constant->length); |
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562 dest->replay.delay = CLAMP(constant->delay); |
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563 |
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564 /* Trigger */ |
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565 dest->trigger.button = SDL_SYS_ToButton(constant->button); |
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566 dest->trigger.interval = CLAMP(constant->interval); |
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567 |
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568 /* Constant */ |
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569 dest->u.constant.level = constant->level; |
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570 |
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571 /* Envelope */ |
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572 dest->u.constant.envelope.attack_length = |
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573 CLAMP(constant->attack_length); |
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574 dest->u.constant.envelope.attack_level = |
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575 CLAMP(constant->attack_level); |
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576 dest->u.constant.envelope.fade_length = CLAMP(constant->fade_length); |
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577 dest->u.constant.envelope.fade_level = CLAMP(constant->fade_level); |
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578 |
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579 break; |
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580 |
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581 case SDL_HAPTIC_SINE: |
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582 case SDL_HAPTIC_SQUARE: |
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583 case SDL_HAPTIC_TRIANGLE: |
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584 case SDL_HAPTIC_SAWTOOTHUP: |
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585 case SDL_HAPTIC_SAWTOOTHDOWN: |
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586 periodic = &src->periodic; |
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587 |
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|
588 /* Header */ |
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589 dest->type = FF_PERIODIC; |
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590 dest->direction = SDL_SYS_ToDirection(&periodic->direction); |
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591 if (dest->direction == (Uint16) - 1) |
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592 return -1; |
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593 |
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594 /* Replay */ |
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|
595 dest->replay.length = (periodic->length == SDL_HAPTIC_INFINITY) ? |
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596 0 : CLAMP(periodic->length); |
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597 dest->replay.delay = CLAMP(periodic->delay); |
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598 |
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599 /* Trigger */ |
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600 dest->trigger.button = SDL_SYS_ToButton(periodic->button); |
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601 dest->trigger.interval = CLAMP(periodic->interval); |
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602 |
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603 /* Periodic */ |
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604 if (periodic->type == SDL_HAPTIC_SINE) |
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605 dest->u.periodic.waveform = FF_SINE; |
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606 else if (periodic->type == SDL_HAPTIC_SQUARE) |
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607 dest->u.periodic.waveform = FF_SQUARE; |
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608 else if (periodic->type == SDL_HAPTIC_TRIANGLE) |
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609 dest->u.periodic.waveform = FF_TRIANGLE; |
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610 else if (periodic->type == SDL_HAPTIC_SAWTOOTHUP) |
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611 dest->u.periodic.waveform = FF_SAW_UP; |
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612 else if (periodic->type == SDL_HAPTIC_SAWTOOTHDOWN) |
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613 dest->u.periodic.waveform = FF_SAW_DOWN; |
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614 dest->u.periodic.period = CLAMP(periodic->period); |
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615 dest->u.periodic.magnitude = periodic->magnitude; |
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616 dest->u.periodic.offset = periodic->offset; |
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617 /* Phase is calculated based of offset from period and then clamped. */ |
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618 tmp = ((periodic->phase % 36000) * dest->u.periodic.period) / 36000; |
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619 dest->u.periodic.phase = CLAMP(tmp); |
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|
620 |
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621 /* Envelope */ |
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622 dest->u.periodic.envelope.attack_length = |
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623 CLAMP(periodic->attack_length); |
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624 dest->u.periodic.envelope.attack_level = |
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625 CLAMP(periodic->attack_level); |
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626 dest->u.periodic.envelope.fade_length = CLAMP(periodic->fade_length); |
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627 dest->u.periodic.envelope.fade_level = CLAMP(periodic->fade_level); |
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|
628 |
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|
629 break; |
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|
630 |
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631 case SDL_HAPTIC_SPRING: |
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632 case SDL_HAPTIC_DAMPER: |
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633 case SDL_HAPTIC_INERTIA: |
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634 case SDL_HAPTIC_FRICTION: |
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635 condition = &src->condition; |
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|
636 |
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|
637 /* Header */ |
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638 if (condition->type == SDL_HAPTIC_SPRING) |
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639 dest->type = FF_SPRING; |
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640 else if (condition->type == SDL_HAPTIC_DAMPER) |
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641 dest->type = FF_DAMPER; |
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642 else if (condition->type == SDL_HAPTIC_INERTIA) |
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|
643 dest->type = FF_INERTIA; |
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644 else if (condition->type == SDL_HAPTIC_FRICTION) |
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645 dest->type = FF_FRICTION; |
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|
646 dest->direction = 0; /* Handled by the condition-specifics. */ |
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diff
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|
647 |
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diff
changeset
|
648 /* Replay */ |
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diff
changeset
|
649 dest->replay.length = (condition->length == SDL_HAPTIC_INFINITY) ? |
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|
650 0 : CLAMP(condition->length); |
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|
651 dest->replay.delay = CLAMP(condition->delay); |
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|
652 |
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diff
changeset
|
653 /* Trigger */ |
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|
654 dest->trigger.button = SDL_SYS_ToButton(condition->button); |
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|
655 dest->trigger.interval = CLAMP(condition->interval); |
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diff
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|
656 |
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parents:
diff
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|
657 /* Condition */ |
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diff
changeset
|
658 /* X axis */ |
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changeset
|
659 dest->u.condition[0].right_saturation = |
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|
660 CLAMP(condition->right_sat[0]); |
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|
661 dest->u.condition[0].left_saturation = CLAMP(condition->left_sat[0]); |
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662 dest->u.condition[0].right_coeff = condition->right_coeff[0]; |
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663 dest->u.condition[0].left_coeff = condition->left_coeff[0]; |
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|
664 dest->u.condition[0].deadband = CLAMP(condition->deadband[0]); |
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665 dest->u.condition[0].center = condition->center[0]; |
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changeset
|
666 /* Y axis */ |
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|
667 dest->u.condition[1].right_saturation = |
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|
668 CLAMP(condition->right_sat[1]); |
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|
669 dest->u.condition[1].left_saturation = CLAMP(condition->left_sat[1]); |
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|
670 dest->u.condition[1].right_coeff = condition->right_coeff[1]; |
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671 dest->u.condition[1].left_coeff = condition->left_coeff[1]; |
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|
672 dest->u.condition[1].deadband = CLAMP(condition->deadband[1]); |
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|
673 dest->u.condition[1].center = condition->center[1]; |
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|
674 |
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|
675 /* |
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parents:
diff
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|
676 * There is no envelope in the linux force feedback api for conditions. |
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|
677 */ |
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|
678 |
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parents:
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|
679 break; |
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changeset
|
680 |
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|
681 case SDL_HAPTIC_RAMP: |
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diff
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|
682 ramp = &src->ramp; |
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parents:
diff
changeset
|
683 |
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parents:
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changeset
|
684 /* Header */ |
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parents:
diff
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|
685 dest->type = FF_RAMP; |
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|
686 dest->direction = SDL_SYS_ToDirection(&ramp->direction); |
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Sam Lantinga <slouken@libsdl.org>
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diff
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|
687 if (dest->direction == (Uint16) - 1) |
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|
688 return -1; |
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diff
changeset
|
689 |
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diff
changeset
|
690 /* Replay */ |
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changeset
|
691 dest->replay.length = (ramp->length == SDL_HAPTIC_INFINITY) ? |
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Sam Lantinga <slouken@libsdl.org>
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|
692 0 : CLAMP(ramp->length); |
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|
693 dest->replay.delay = CLAMP(ramp->delay); |
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diff
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|
694 |
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changeset
|
695 /* Trigger */ |
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|
696 dest->trigger.button = SDL_SYS_ToButton(ramp->button); |
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parents:
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|
697 dest->trigger.interval = CLAMP(ramp->interval); |
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diff
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|
698 |
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diff
changeset
|
699 /* Ramp */ |
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parents:
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changeset
|
700 dest->u.ramp.start_level = ramp->start; |
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parents:
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|
701 dest->u.ramp.end_level = ramp->end; |
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diff
changeset
|
702 |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
703 /* Envelope */ |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
704 dest->u.ramp.envelope.attack_length = CLAMP(ramp->attack_length); |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
705 dest->u.ramp.envelope.attack_level = CLAMP(ramp->attack_level); |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
706 dest->u.ramp.envelope.fade_length = CLAMP(ramp->fade_length); |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
707 dest->u.ramp.envelope.fade_level = CLAMP(ramp->fade_level); |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
708 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
709 break; |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
710 |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
711 |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
712 default: |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
713 SDL_SetError("Haptic: Unknown effect type."); |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
714 return -1; |
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Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
715 } |
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Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
716 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
717 return 0; |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
718 } |
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Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
719 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
720 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
721 /* |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
722 * Creates a new haptic effect. |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
723 */ |
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Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
724 int |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
725 SDL_SYS_HapticNewEffect(SDL_Haptic * haptic, struct haptic_effect *effect, |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
726 SDL_HapticEffect * base) |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
727 { |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
728 struct ff_effect *linux_effect; |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
729 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
730 /* Allocate the hardware effect */ |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
731 effect->hweffect = (struct haptic_hweffect *) |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
732 SDL_malloc(sizeof(struct haptic_hweffect)); |
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Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
733 if (effect->hweffect == NULL) { |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
734 SDL_OutOfMemory(); |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
735 return -1; |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
736 } |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
737 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
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parents:
diff
changeset
|
738 /* Prepare the ff_effect */ |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
739 linux_effect = &effect->hweffect->effect; |
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parents:
diff
changeset
|
740 if (SDL_SYS_ToFFEffect(linux_effect, base) != 0) { |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
741 goto new_effect_err; |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
742 } |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
743 linux_effect->id = -1; /* Have the kernel give it an id */ |
0906692aa6a4
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parents:
diff
changeset
|
744 |
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parents:
diff
changeset
|
745 /* Upload the effect */ |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
746 if (ioctl(haptic->hwdata->fd, EVIOCSFF, linux_effect) < 0) { |
0906692aa6a4
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parents:
diff
changeset
|
747 SDL_SetError("Haptic: Error uploading effect to the device: %s", |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
748 strerror(errno)); |
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Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
749 goto new_effect_err; |
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Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
750 } |
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Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
751 |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
752 return 0; |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
753 |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
754 new_effect_err: |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
755 free(effect->hweffect); |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
756 effect->hweffect = NULL; |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
757 return -1; |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
758 } |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
759 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
760 |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
761 /* |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
762 * Updates an effect. |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
763 * |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
764 * Note: Dynamically updating the direction can in some cases force |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
765 * the effect to restart and run once. |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
766 */ |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
767 int |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
768 SDL_SYS_HapticUpdateEffect(SDL_Haptic * haptic, |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
769 struct haptic_effect *effect, |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
770 SDL_HapticEffect * data) |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
771 { |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
772 struct ff_effect linux_effect; |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
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parents:
diff
changeset
|
773 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
774 /* Create the new effect */ |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
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parents:
diff
changeset
|
775 if (SDL_SYS_ToFFEffect(&linux_effect, data) != 0) { |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
776 return -1; |
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Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
777 } |
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parents:
diff
changeset
|
778 linux_effect.id = effect->hweffect->effect.id; |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
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parents:
diff
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|
779 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
780 /* See if it can be uploaded. */ |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
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|
781 if (ioctl(haptic->hwdata->fd, EVIOCSFF, &linux_effect) < 0) { |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
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parents:
diff
changeset
|
782 SDL_SetError("Haptic: Error updating the effect: %s", |
0906692aa6a4
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parents:
diff
changeset
|
783 strerror(errno)); |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
784 return -1; |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
785 } |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
786 |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
787 /* Copy the new effect into memory. */ |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
788 SDL_memcpy(&effect->hweffect->effect, &linux_effect, |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
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|
789 sizeof(struct ff_effect)); |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
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|
790 |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
791 return effect->hweffect->effect.id; |
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parents:
diff
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|
792 } |
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parents:
diff
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|
793 |
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Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
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|
794 |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
795 /* |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
796 * Runs an effect. |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
797 */ |
0906692aa6a4
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parents:
diff
changeset
|
798 int |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
799 SDL_SYS_HapticRunEffect(SDL_Haptic * haptic, struct haptic_effect *effect, |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
800 Uint32 iterations) |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
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|
801 { |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
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|
802 struct input_event run; |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
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|
803 |
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Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
804 /* Prepare to run the effect */ |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
805 run.type = EV_FF; |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
806 run.code = effect->hweffect->effect.id; |
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diff
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|
807 /* We don't actually have infinity here, so we just do INT_MAX which is pretty damn close. */ |
0906692aa6a4
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parents:
diff
changeset
|
808 run.value = (iterations > INT_MAX) ? INT_MAX : iterations; |
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parents:
diff
changeset
|
809 |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
810 if (write(haptic->hwdata->fd, (const void *) &run, sizeof(run)) < 0) { |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
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|
811 SDL_SetError("Haptic: Unable to run the effect: %s", strerror(errno)); |
0906692aa6a4
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parents:
diff
changeset
|
812 return -1; |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
813 } |
0906692aa6a4
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parents:
diff
changeset
|
814 |
0906692aa6a4
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parents:
diff
changeset
|
815 return 0; |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
816 } |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
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parents:
diff
changeset
|
817 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
818 |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
819 /* |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
820 * Stops an effect. |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
821 */ |
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Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
822 int |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
823 SDL_SYS_HapticStopEffect(SDL_Haptic * haptic, struct haptic_effect *effect) |
0906692aa6a4
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parents:
diff
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|
824 { |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
825 struct input_event stop; |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
826 |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
827 stop.type = EV_FF; |
0906692aa6a4
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parents:
diff
changeset
|
828 stop.code = effect->hweffect->effect.id; |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
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|
829 stop.value = 0; |
0906692aa6a4
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parents:
diff
changeset
|
830 |
0906692aa6a4
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parents:
diff
changeset
|
831 if (write(haptic->hwdata->fd, (const void *) &stop, sizeof(stop)) < 0) { |
0906692aa6a4
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diff
changeset
|
832 SDL_SetError("Haptic: Unable to stop the effect: %s", |
0906692aa6a4
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parents:
diff
changeset
|
833 strerror(errno)); |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
834 return -1; |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
835 } |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
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parents:
diff
changeset
|
836 |
0906692aa6a4
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parents:
diff
changeset
|
837 return 0; |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
838 } |
0906692aa6a4
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parents:
diff
changeset
|
839 |
0906692aa6a4
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parents:
diff
changeset
|
840 |
0906692aa6a4
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parents:
diff
changeset
|
841 /* |
0906692aa6a4
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parents:
diff
changeset
|
842 * Frees the effect. |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
843 */ |
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Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
844 void |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
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diff
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|
845 SDL_SYS_HapticDestroyEffect(SDL_Haptic * haptic, struct haptic_effect *effect) |
0906692aa6a4
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parents:
diff
changeset
|
846 { |
0906692aa6a4
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parents:
diff
changeset
|
847 if (ioctl(haptic->hwdata->fd, EVIOCRMFF, effect->hweffect->effect.id) < 0) { |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
848 SDL_SetError("Haptic: Error removing the effect from the device: %s", |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
849 strerror(errno)); |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
850 } |
0906692aa6a4
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parents:
diff
changeset
|
851 SDL_free(effect->hweffect); |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
852 effect->hweffect = NULL; |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
853 } |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
854 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
855 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
856 /* |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
857 * Gets the status of a haptic effect. |
0906692aa6a4
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parents:
diff
changeset
|
858 */ |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
859 int |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
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parents:
diff
changeset
|
860 SDL_SYS_HapticGetEffectStatus(SDL_Haptic * haptic, |
0906692aa6a4
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parents:
diff
changeset
|
861 struct haptic_effect *effect) |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
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parents:
diff
changeset
|
862 { |
0906692aa6a4
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parents:
diff
changeset
|
863 #if 0 /* Not supported atm. */ |
0906692aa6a4
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parents:
diff
changeset
|
864 struct input_event ie; |
0906692aa6a4
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parents:
diff
changeset
|
865 |
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parents:
diff
changeset
|
866 ie.type = EV_FF; |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
867 ie.type = EV_FF_STATUS; |
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parents:
diff
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|
868 ie.code = effect->hweffect->effect.id; |
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diff
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|
869 |
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parents:
diff
changeset
|
870 if (write(haptic->hwdata->fd, &ie, sizeof(ie)) < 0) { |
0906692aa6a4
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parents:
diff
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|
871 SDL_SetError("Haptic: Error getting device status."); |
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parents:
diff
changeset
|
872 return -1; |
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diff
changeset
|
873 } |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
874 |
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Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
875 return 0; |
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Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
876 #endif |
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parents:
diff
changeset
|
877 |
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Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
878 return -1; |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
879 } |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
880 |
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Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
881 |
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Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
882 /* |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
883 * Sets the gain. |
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Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
884 */ |
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parents:
diff
changeset
|
885 int |
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parents:
diff
changeset
|
886 SDL_SYS_HapticSetGain(SDL_Haptic * haptic, int gain) |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
887 { |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
888 struct input_event ie; |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
889 |
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parents:
diff
changeset
|
890 ie.type = EV_FF; |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
891 ie.code = FF_GAIN; |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
892 ie.value = (0xFFFFUL * gain) / 100; |
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Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
893 |
0906692aa6a4
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parents:
diff
changeset
|
894 if (write(haptic->hwdata->fd, &ie, sizeof(ie)) < 0) { |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
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parents:
diff
changeset
|
895 SDL_SetError("Haptic: Error setting gain: %s", strerror(errno)); |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
896 return -1; |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
897 } |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
898 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
899 return 0; |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
900 } |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
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parents:
diff
changeset
|
901 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
902 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
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parents:
diff
changeset
|
903 /* |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
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parents:
diff
changeset
|
904 * Sets the autocentering. |
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905 */ |
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906 int |
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907 SDL_SYS_HapticSetAutocenter(SDL_Haptic * haptic, int autocenter) |
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908 { |
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909 struct input_event ie; |
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910 |
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911 ie.type = EV_FF; |
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912 ie.code = FF_AUTOCENTER; |
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913 ie.value = (0xFFFFUL * autocenter) / 100; |
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914 |
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915 if (write(haptic->hwdata->fd, &ie, sizeof(ie)) < 0) { |
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916 SDL_SetError("Haptic: Error setting autocenter: %s", strerror(errno)); |
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917 return -1; |
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918 } |
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919 |
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920 return 0; |
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921 } |
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922 |
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923 |
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924 /* |
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925 * Pausing is not supported atm by linux. |
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926 */ |
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927 int |
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928 SDL_SYS_HapticPause(SDL_Haptic * haptic) |
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929 { |
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930 return -1; |
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931 } |
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932 |
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933 |
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934 /* |
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935 * Unpausing is not supported atm by linux. |
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936 */ |
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937 int |
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938 SDL_SYS_HapticUnpause(SDL_Haptic * haptic) |
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939 { |
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940 return -1; |
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941 } |
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942 |
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943 |
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944 /* |
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945 * Stops all the currently playing effects. |
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946 */ |
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947 int |
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948 SDL_SYS_HapticStopAll(SDL_Haptic * haptic) |
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949 { |
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950 int i, ret; |
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951 |
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952 /* Linux does not support this natively so we have to loop. */ |
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953 for (i = 0; i < haptic->neffects; i++) { |
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954 if (haptic->effects[i].hweffect != NULL) { |
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955 ret = SDL_SYS_HapticStopEffect(haptic, &haptic->effects[i]); |
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956 if (ret < 0) { |
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957 SDL_SetError |
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958 ("Haptic: Error while trying to stop all playing effects."); |
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959 return -1; |
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960 } |
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961 } |
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962 } |
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963 return 0; |
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964 } |
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965 |
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966 |
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967 #endif /* SDL_HAPTIC_LINUX */ |