Mercurial > sdl-ios-xcode

annotate src/joystick/amigaos/SDL_sysjoystick.c @ 211:0cc95f442f3a

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If we're looking at the /dev/input event devices, and we found at least one, then we don't want to look at the input joystick devices, since they're built on top of devices that we've already seen, so we're done.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 22 Oct 2001 21:34:50 +0000
parents 75a95f82bc1f
children e8157fcb3114
rev   line source
21
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@devolution.com
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21 */
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22
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23
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24 #ifdef SAVE_RCSID
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25 static char rcsid =
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26 "@(#) $Id$";
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27 #endif
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28
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29 /* This is the system specific header for the SDL joystick API */
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30
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31 #include <stdio.h> /* For the definition of NULL */
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32
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33 #include <libraries/lowlevel.h>
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34 #ifdef __SASC
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35 #include <proto/exec.h>
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36 #include <proto/lowlevel.h>
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37 #include <proto/graphics.h>
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38 #else
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39 #include <inline/exec.h>
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40 #include <inline/lowlevel.h>
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41 #include <inline/graphics.h>
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42 #endif
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43 #include "mydebug.h"
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44
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45 extern struct ExecBase *SysBase;
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46 extern struct GfxBase *GfxBase;
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47 #include <stdlib.h>
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48
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49 #include "SDL_error.h"
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50 #include "SDL_joystick.h"
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51 #include "SDL_sysjoystick.h"
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52 #include "SDL_joystick_c.h"
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53
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54 /* Function to scan the system for joysticks.
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55 * This function should set SDL_numjoysticks to the number of available
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56 * joysticks. Joystick 0 should be the system default joystick.
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57 * It should return 0, or -1 on an unrecoverable fatal error.
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58 */
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59
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60
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61 /* Amiga specific datas */
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62 struct Library *LowLevelBase=NULL;
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63
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64 ULONG joybut[]=
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65 {
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66 JPF_BUTTON_RED,
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67 JPF_BUTTON_BLUE,
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68 JPF_BUTTON_PLAY,
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69 JPF_BUTTON_YELLOW,
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70 JPF_BUTTON_GREEN,
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71 JPF_BUTTON_FORWARD,
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72 JPF_BUTTON_REVERSE,
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73 };
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74
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75 struct joystick_hwdata
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76 {
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77 ULONG joystate;
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78 };
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79
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80 int SDL_SYS_JoystickInit(void)
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81 {
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82 if(!LowLevelBase)
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83 {
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84 if(LowLevelBase=OpenLibrary("lowlevel.library",37))
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85 return 2;
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86 }
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87 else
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88 return 2;
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89
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90 D(bug("%ld joysticks available.\n",SDL_numjoysticks));
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91
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92 return 0;
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93 }
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94
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95 /* Function to get the device-dependent name of a joystick */
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96 const char *SDL_SYS_JoystickName(int index)
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97 {
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98 if(index<2&&LowLevelBase)
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99 {
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100 switch(index)
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101 {
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102 case 0:
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103 return "Port 1 Amiga Joystick/Joypad";
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104 case 1:
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105 return "Port 2 Amiga Joystick/Joypad";
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106 }
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107 }
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108
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109 SDL_SetError("No joystick available with that index");
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110 return(NULL);
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111 }
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112
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113 /* Function to open a joystick for use.
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114 The joystick to open is specified by the index field of the joystick.
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115 This should fill the nbuttons and naxes fields of the joystick structure.
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116 It returns 0, or -1 if there is an error.
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117 */
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118
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119 int SDL_SYS_JoystickOpen(SDL_Joystick *joystick)
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120 {
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121 ULONG temp,i;
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122 D(bug("Opening joystick %ld\n",joystick->index));
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123
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124 if(!(joystick->hwdata=malloc(sizeof(struct joystick_hwdata))))
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125 return -1;
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126
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127 /* This loop is to check if the controller is a joypad */
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128
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129 for(i=0;i<20;i++)
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130 {
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131 temp=ReadJoyPort(joystick->index);
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132 WaitTOF();
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
133 }
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
134
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
135 if((temp&JP_TYPE_MASK)==JP_TYPE_GAMECTLR)
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
136 joystick->nbuttons=7;
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
137 else
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
138 joystick->nbuttons=3;
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
139
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
140 joystick->nhats=0;
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
141 joystick->nballs=0;
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
142 joystick->naxes=2;
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
143 joystick->hwdata->joystate=0L;
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
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144
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
145 return 0;
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
146 }
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
147
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
148 /* Function to update the state of a joystick - called as a device poll.
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
149 * This function shouldn't update the joystick structure directly,
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
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150 * but instead should call SDL_PrivateJoystick*() to deliver events
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
151 * and update joystick device state.
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
152 */
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
153 void SDL_SYS_JoystickUpdate(SDL_Joystick *joystick)
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
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154 {
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
155 ULONG data;
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
156 int i;
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
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157
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Sam Lantinga <slouken@lokigames.com>
parents:
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158 if(joystick->index<2)
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
159 {
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
160 data=ReadJoyPort(joystick->index);
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
161
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
162 if(data&JP_DIRECTION_MASK)
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
163 {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
164 if(data&JPF_JOY_DOWN)
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
165 {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
166 if(!(joystick->hwdata->joystate&JPF_JOY_DOWN))
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
167 SDL_PrivateJoystickAxis(joystick,0,127);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
168 }
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Sam Lantinga <slouken@lokigames.com>
parents:
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169 else if(data&JPF_JOY_UP)
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
170 {
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
171 if(!(joystick->hwdata->joystate&JPF_JOY_UP))
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
172 SDL_PrivateJoystickAxis(joystick,0,-127);
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
173 }
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
174 else if(joystick->hwdata->joystate&(JPF_JOY_UP|JPF_JOY_DOWN))
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
175 SDL_PrivateJoystickAxis(joystick,0,0);
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
176
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
177 if(data&JPF_JOY_LEFT)
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
178 {
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
179 if(!(joystick->hwdata->joystate&JPF_JOY_LEFT))
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
180 SDL_PrivateJoystickAxis(joystick,1,-127);
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
181 }
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
182 else if(data&JPF_JOY_RIGHT)
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
183 {
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
184 if(!(joystick->hwdata->joystate&JPF_JOY_RIGHT))
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
185 SDL_PrivateJoystickAxis(joystick,1,127);
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
186 }
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
187 else if(joystick->hwdata->joystate&(JPF_JOY_LEFT|JPF_JOY_RIGHT))
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
188 SDL_PrivateJoystickAxis(joystick,1,0);
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
189 }
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
190 else if(joystick->hwdata->joystate&(JPF_JOY_LEFT|JPF_JOY_RIGHT))
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
191 {
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
192 SDL_PrivateJoystickAxis(joystick,1,0);
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
193 }
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
194 else if(joystick->hwdata->joystate&(JPF_JOY_UP|JPF_JOY_DOWN))
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
195 {
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
196 SDL_PrivateJoystickAxis(joystick,0,0);
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
197 }
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
198
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
199 for(i=0;i<joystick->nbuttons;i++)
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
200 {
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
201 if( (data&joybut[i]) )
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
202 {
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
203 if(i==1)
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
204 data&=(~(joybut[2]));
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
205
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
206 if(!(joystick->hwdata->joystate&joybut[i]))
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
207 SDL_PrivateJoystickButton(joystick,i,SDL_PRESSED);
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
208 }
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
209 else if(joystick->hwdata->joystate&joybut[i])
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
210 SDL_PrivateJoystickButton(joystick,i,SDL_RELEASED);
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
211 }
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
212
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
213 joystick->hwdata->joystate=data;
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
214 }
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
215
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
216 return;
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
217 }
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
218
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
219 /* Function to close a joystick after use */
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
220 void SDL_SYS_JoystickClose(SDL_Joystick *joystick)
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
221 {
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
222 if(joystick->hwdata)
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
223 free(joystick->hwdata);
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
224 return;
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
225 }
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
226
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
227 /* Function to perform any system-specific joystick related cleanup */
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
228
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
229 void SDL_SYS_JoystickQuit(void)
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
230 {
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
231 if(LowLevelBase)
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
232 {
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
233 CloseLibrary(LowLevelBase);
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
234 LowLevelBase=NULL;
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
235 SDL_numjoysticks=0;
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
236 }
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
237
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
238 return;
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
239 }
75a95f82bc1f Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
240