forked from speed-dreams/speed-dreams-code
Removed interfaces/js.h and use plib's one
git-svn-id: https://svn.code.sf.net/p/speed-dreams/code/trunk@325 30fe4595-0a0c-4342-8851-515496e4dcbd Former-commit-id: cc3d26c97367042f852db71448d1913ad38dcae6 Former-commit-id: 309b35cd773b6a48d3fbdf1eab26840b417ab9e3
This commit is contained in:
pouillot
parent
f671a4ee33
commit
b71eb8ef4e
1 changed files with 776 additions and 0 deletions
776
src/windows/include/js.h
Executable file
776
src/windows/include/js.h
Executable file
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@ -0,0 +1,776 @@
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/*
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PLIB - A Suite of Portable Game Libraries
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Copyright (C) 2001 Steve Baker
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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For further information visit http://plib.sourceforge.net
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$Id: js.h,v 1.6 2004/10/07 17:05:04 olethros Exp $
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*/
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#ifndef __INCLUDED_JS_H__
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#define __INCLUDED_JS_H__ 1
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#include <plib/ul.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h> // -dw- for memcpy
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#ifdef macintosh
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# include <InputSprocket.h>
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#endif
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/*
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FreeBSD port - courtesy of Stephen Montgomery-Smith
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<stephen@math.missouri.edu>
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NetBSD mods - courtesy Rene Hexel.
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The next lines are to define BSD
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see http://www.freebsd.org/handbook/porting.html for why we do this
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*/
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//lint -save -e620
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#if (defined(__unix__) || defined(unix)) && !defined(USG)
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#include <sys/param.h>
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#endif
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#ifdef WIN32
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# include <windows.h>
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# if defined( __CYGWIN32__ ) || defined( __CYGWIN__ )
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# define NEAR /* */
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# define FAR /* */
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# endif
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# include <mmsystem.h>
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# include <string.h>
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#else
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# include <unistd.h>
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# include <fcntl.h>
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# if defined(__FreeBSD__)
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# include <sys/joystick.h>
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# define JS_DATA_TYPE joystick
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# define JS_RETURN (sizeof(struct JS_DATA_TYPE))
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# elif defined(__NetBSD__)
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# include <machine/joystick.h>
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# define JS_DATA_TYPE joystick
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# define JS_RETURN (sizeof(struct JS_DATA_TYPE))
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# elif defined(__linux__)
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# include <sys/ioctl.h>
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# include <linux/joystick.h>
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# include <errno.h>
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/* check the joystick driver version */
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# ifdef JS_VERSION
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# if JS_VERSION >= 0x010000
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# define JS_NEW
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# endif
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# endif
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# else
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# ifndef JS_DATA_TYPE
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/*
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Not Windoze and no joystick driver...
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Well - we'll put these values in and that should
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allow the code to at least compile. The JS open
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routine should error out and shut off all the code
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downstream anyway
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*/
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struct JS_DATA_TYPE
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{
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int buttons ;
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int x ;
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int y ;
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} ;
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# define JS_RETURN (sizeof(struct JS_DATA_TYPE))
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# endif
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# endif
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#endif
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#define JS_TRUE 1
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#define JS_FALSE 0
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#ifdef WIN32
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# define _JS_MAX_AXES 8 /* X,Y,Z,R,U,V,POV_X,POV_Y */
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#elif defined (macintosh)
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# define _JS_MAX_AXES 9
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#else
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# if defined(__FreeBSD__) || defined(__NetBSD__)
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# define _JS_MAX_AXES 2
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# else
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# define _JS_MAX_AXES 9
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# endif
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#endif
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class jsJoystick
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{
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#ifdef macintosh
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#define isp_num_axis 9
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#define isp_num_needs 41
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ISpElementReference isp_elem[isp_num_needs];
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ISpNeed isp_needs [isp_num_needs];
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#endif
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#define NAME_LENGTH 128
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char name [ NAME_LENGTH ] ;
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#if defined(__FreeBSD__) || defined(__NetBSD__)
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int id ;
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#endif
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#ifdef WIN32
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JOYINFOEX js ;
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UINT js_id ;
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#else
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# ifdef JS_NEW
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js_event js ;
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int tmp_buttons ;
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float tmp_axes [ _JS_MAX_AXES ] ;
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# else
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JS_DATA_TYPE js ;
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# endif
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char fname [ 128 ] ;
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char alt_fname [ 128 ] ;
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int fd ;
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#endif
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int error ;
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int num_axes ;
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int num_buttons ;
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float dead_band [ _JS_MAX_AXES ] ;
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float saturate [ _JS_MAX_AXES ] ;
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float center [ _JS_MAX_AXES ] ;
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float max [ _JS_MAX_AXES ] ;
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float min [ _JS_MAX_AXES ] ;
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void open ()
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{
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strcpy ( name, "unknown" ) ;
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#ifdef macintosh
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/*
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FIXME: get joystick name in Mac
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*/
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OSStatus err;
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err = ISpStartup ();
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if ( err == noErr ) {
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#define ISP_CHECK_ERR(x) if (x != noErr) { setError(); return; }
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setError ();
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// initialize the needs structure
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ISpNeed temp_isp_needs[isp_num_needs] =
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{
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{"\pX-Axis", 128, 0, 0, kISpElementKind_Axis, kISpElementLabel_None, 0, 0, 0, 0 },
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{"\pY-Axis", 128, 0, 0, kISpElementKind_Axis, kISpElementLabel_None, 0, 0, 0, 0 },
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{"\pZ-Axis", 128, 0, 0, kISpElementKind_Axis, kISpElementLabel_None, 0, 0, 0, 0 },
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{"\pR-Axis", 128, 0, 0, kISpElementKind_Axis, kISpElementLabel_None, 0, 0, 0, 0 },
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{"\pAxis 4", 128, 0, 0, kISpElementKind_Axis, kISpElementLabel_None, 0, 0, 0, 0 },
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{"\pAxis 5", 128, 0, 0, kISpElementKind_Axis, kISpElementLabel_None, 0, 0, 0, 0 },
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{"\pAxis 6", 128, 0, 0, kISpElementKind_Axis, kISpElementLabel_None, 0, 0, 0, 0 },
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{"\pAxis 7", 128, 0, 0, kISpElementKind_Axis, kISpElementLabel_None, 0, 0, 0, 0 },
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{"\pAxis 8", 128, 0, 0, kISpElementKind_Axis, kISpElementLabel_None, 0, 0, 0, 0 },
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{"\pButton 0", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 1", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 2", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 3", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 4", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 5", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 6", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 7", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 8", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 9", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 10", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 11", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 12", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 13", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 14", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 15", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 16", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 17", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 18", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 19", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 20", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 21", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 22", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 23", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 24", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 25", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 26", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 27", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 28", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 29", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 30", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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{"\pButton 31", 128, 0, 0, kISpElementKind_Button, kISpElementLabel_Btn_Select, 0, 0, 0, 0 },
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};
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memcpy (isp_needs, temp_isp_needs, sizeof (temp_isp_needs) );
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// next two calls allow keyboard and mouse to emulate other input devices (gamepads, joysticks, etc)
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/*
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err = ISpDevices_ActivateClass (kISpDeviceClass_Keyboard);
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ISP_CHECK_ERR(err)
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err = ISpDevices_ActivateClass (kISpDeviceClass_Mouse);
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ISP_CHECK_ERR(err)
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*/
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err = ISpElement_NewVirtualFromNeeds (isp_num_needs, isp_needs, isp_elem, 0);
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ISP_CHECK_ERR(err)
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err = ISpInit (isp_num_needs, isp_needs, isp_elem, 'PLIB', nil, 0, 128, 0);
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ISP_CHECK_ERR(err)
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num_buttons = isp_num_needs - isp_num_axis;
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num_axes = isp_num_axis;
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for ( int i = 0; i < num_axes; i++ ) {
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dead_band[i] = 0;
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saturate [i] = 1;
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center[i] = kISpAxisMiddle;
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max [i] = kISpAxisMaximum;
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min [i] = kISpAxisMinimum;
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}
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error = false;
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}
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else {
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setError ();
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num_buttons = num_axes = 0;
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}
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#elif defined( WIN32 )
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JOYCAPS jsCaps ;
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js . dwFlags = JOY_RETURNALL ;
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js . dwSize = sizeof ( js ) ;
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memset ( &jsCaps, 0, sizeof(jsCaps) ) ;
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error = ( joyGetDevCaps( js_id, &jsCaps, sizeof(jsCaps) )
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!= JOYERR_NOERROR ) ;
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if ( jsCaps.wNumAxes == 0 )
|
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{
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num_axes = 0 ;
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setError () ;
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}
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else
|
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{
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// Windows joystick drivers may provide any combination of
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// X,Y,Z,R,U,V,POV - not necessarily the first n of these.
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if ( jsCaps.wCaps & JOYCAPS_HASPOV ) {
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num_axes = _JS_MAX_AXES ;
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min[7] = -1.0 ; max[7] = 1.0 ; // POV Y
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min[6] = -1.0 ; max[6] = 1.0 ; // POV X
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} else {
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num_axes = 6 ;
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}
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min[5] = (float)jsCaps.wVmin ; max[5] = (float)jsCaps.wVmax ;
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min[4] = (float)jsCaps.wUmin ; max[4] = (float)jsCaps.wUmax ;
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min[3] = (float)jsCaps.wRmin ; max[3] = (float)jsCaps.wRmax ;
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min[2] = (float)jsCaps.wZmin ; max[2] = (float)jsCaps.wZmax ;
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min[1] = (float)jsCaps.wYmin ; max[1] = (float)jsCaps.wYmax ;
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min[0] = (float)jsCaps.wXmin ; max[0] = (float)jsCaps.wXmax ;
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}
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for ( int i = 0 ; i < num_axes ; i++ )
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{
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center [ i ] = ( max[i] + min[i] ) / 2.0f ;
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dead_band [ i ] = 0.0f ;
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saturate [ i ] = 1.0f ;
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}
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|
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/* Get the device name */
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strncpy ( name , jsCaps.szPname , NAME_LENGTH - 1 ) ;
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name [ NAME_LENGTH - 1 ] = 0;
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#else
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# if defined(__FreeBSD__) || defined(__NetBSD__)
|
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FILE *joyfile;
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char joyfname[1024];
|
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int noargs, in_no_axes;
|
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# endif
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|
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/* Default for older Linux systems. */
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num_axes = 2 ;
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num_buttons = 32 ;
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# ifdef JS_NEW
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for ( int i = 0 ; i < _JS_MAX_AXES ; i++ )
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tmp_axes [ i ] = 0.0f ;
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tmp_buttons = 0 ;
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# endif
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|
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// fd = ::open ( fname, O_RDONLY | O_NONBLOCK ) ;
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fd = ::open ( fname, O_RDONLY ) ;
|
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|
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error = ( fd < 0 ) ;
|
||||
|
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if ( error )
|
||||
{
|
||||
if (alt_fname[0] != 0)
|
||||
{
|
||||
fd = ::open ( alt_fname, O_RDONLY ) ;
|
||||
error = ( fd < 0 ) ;
|
||||
if ( error )
|
||||
return;
|
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}
|
||||
else
|
||||
return ;
|
||||
}
|
||||
|
||||
|
||||
# if defined(__FreeBSD__) || defined(__NetBSD__)
|
||||
|
||||
/*
|
||||
FIXME: get joystick name for BSD
|
||||
*/
|
||||
|
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float axes[_JS_MAX_AXES];
|
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int buttons[_JS_MAX_AXES];
|
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rawRead ( buttons, axes );
|
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error = axes[0] < -1000000000.0f;
|
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if ( error )
|
||||
return ;
|
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|
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sprintf(joyfname,"%s/.joy%drc",::getenv( "HOME" ),id);
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|
||||
joyfile = fopen(joyfname,"r");
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error = joyfile == NULL;
|
||||
if ( error )
|
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return ;
|
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noargs = fscanf(joyfile,"%d%f%f%f%f%f%f",&in_no_axes,
|
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&min[0],¢er[0],&max[0],
|
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&min[1],¢er[1],&max[1]);
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||||
error = noargs != 7 || in_no_axes != _JS_MAX_AXES;
|
||||
fclose(joyfile);
|
||||
if ( error )
|
||||
return ;
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||||
|
||||
for ( int i = 0 ; i < _JS_MAX_AXES ; i++ )
|
||||
{
|
||||
dead_band [ i ] = 0.0f ;
|
||||
saturate [ i ] = 1.0f ;
|
||||
}
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||||
|
||||
# else
|
||||
|
||||
/*
|
||||
Set the correct number of axes for the linux driver
|
||||
*/
|
||||
|
||||
# ifdef JS_NEW
|
||||
ioctl ( fd, JSIOCGAXES , & num_axes ) ;
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||||
ioctl ( fd, JSIOCGBUTTONS, & num_buttons ) ;
|
||||
ioctl ( fd, JSIOCGNAME ( NAME_LENGTH ) , name ) ;
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||||
fcntl ( fd, F_SETFL, O_NONBLOCK ) ;
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||||
|
||||
if ( num_axes > _JS_MAX_AXES )
|
||||
num_axes = _JS_MAX_AXES ;
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||||
# endif
|
||||
|
||||
/*
|
||||
The Linux driver seems to return 512 for all axes
|
||||
when no stick is present - but there is a chance
|
||||
that could happen by accident - so it's gotta happen
|
||||
on both axes for at least 100 attempts.
|
||||
*/
|
||||
|
||||
#ifndef JS_NEW
|
||||
int counter = 0 ;
|
||||
|
||||
do
|
||||
{
|
||||
rawRead ( NULL, center ) ;
|
||||
counter++ ;
|
||||
} while ( ! error &&
|
||||
counter < 100 &&
|
||||
center[0] == 512.0f &&
|
||||
center[1] == 512.0f ) ;
|
||||
|
||||
if ( counter >= 100 )
|
||||
setError() ;
|
||||
#endif
|
||||
|
||||
for ( int i = 0 ; i < _JS_MAX_AXES ; i++ )
|
||||
{
|
||||
#ifdef JS_NEW
|
||||
max [ i ] = 32767.0f ;
|
||||
center [ i ] = 0.0f ;
|
||||
min [ i ] = -32767.0f ;
|
||||
#else
|
||||
max [ i ] = center [ i ] * 2.0f ;
|
||||
min [ i ] = 0.0f ;
|
||||
#endif
|
||||
dead_band [ i ] = 0.0f ;
|
||||
saturate [ i ] = 1.0f ;
|
||||
}
|
||||
|
||||
# endif
|
||||
#endif
|
||||
}
|
||||
|
||||
void close ()
|
||||
{
|
||||
#if !defined( WIN32 ) && !defined( macintosh )
|
||||
if ( ! error )
|
||||
::close ( fd ) ;
|
||||
#endif
|
||||
|
||||
#ifdef macintosh
|
||||
|
||||
ISpSuspend ();
|
||||
ISpStop ();
|
||||
ISpShutdown ();
|
||||
|
||||
#endif
|
||||
}
|
||||
|
||||
float fudge_axis ( float value, int axis ) const
|
||||
{
|
||||
if ( value < center[axis] )
|
||||
{
|
||||
float xx = ( value - center[ axis ] ) /
|
||||
( center [ axis ] - min [ axis ] ) ;
|
||||
|
||||
if ( xx < -saturate [ axis ] )
|
||||
return -1.0f ;
|
||||
|
||||
if ( xx > -dead_band [ axis ] )
|
||||
return 0.0f ;
|
||||
|
||||
xx = ( xx + dead_band [ axis ] ) /
|
||||
( saturate [ axis ] - dead_band [ axis ] ) ;
|
||||
|
||||
return ( xx < -1.0f ) ? -1.0f : xx ;
|
||||
}
|
||||
else
|
||||
{
|
||||
float xx = ( value - center [ axis ] ) /
|
||||
( max [ axis ] - center [ axis ] ) ;
|
||||
|
||||
if ( xx > saturate [ axis ] )
|
||||
return 1.0f ;
|
||||
|
||||
if ( xx < dead_band [ axis ] )
|
||||
return 0.0f ;
|
||||
|
||||
xx = ( xx - dead_band [ axis ] ) /
|
||||
( saturate [ axis ] - dead_band [ axis ] ) ;
|
||||
|
||||
return ( xx > 1.0f ) ? 1.0f : xx ;
|
||||
}
|
||||
}
|
||||
|
||||
public:
|
||||
|
||||
jsJoystick ( int ident = 0 )
|
||||
{
|
||||
#ifndef WIN32
|
||||
alt_fname [ 0 ] = 0;
|
||||
#endif
|
||||
#ifdef WIN32
|
||||
if ( ident < 32 )
|
||||
{
|
||||
js_id = ident ;
|
||||
open () ;
|
||||
}
|
||||
else
|
||||
{
|
||||
num_axes = 0 ;
|
||||
setError () ;
|
||||
}
|
||||
#if 0
|
||||
switch ( ident )
|
||||
{
|
||||
case 0 : js_id = JOYSTICKID1 ; open () ; break ;
|
||||
case 1 : js_id = JOYSTICKID2 ; open () ; break;
|
||||
default : num_axes = 0 ; setError () ; break ;
|
||||
}
|
||||
#endif
|
||||
|
||||
#else
|
||||
# if defined(__FreeBSD__) || defined(__NetBSD__)
|
||||
id = ident;
|
||||
sprintf ( fname, "/dev/joy%d", ident ) ;
|
||||
# else
|
||||
sprintf ( fname, "/dev/input/js%d", ident ) ; /* first try */
|
||||
sprintf ( alt_fname, "/dev/js%d", ident ) ; /* second try */
|
||||
# endif
|
||||
open () ;
|
||||
#endif
|
||||
}
|
||||
|
||||
~jsJoystick ()
|
||||
{
|
||||
close () ;
|
||||
}
|
||||
|
||||
const char* getName () const { return name ; }
|
||||
int getNumAxes () const { return num_axes ; }
|
||||
int notWorking () const { return error ; }
|
||||
void setError () { error = JS_TRUE ; }
|
||||
|
||||
float getDeadBand ( int axis ) const { return dead_band [ axis ] ; }
|
||||
void setDeadBand ( int axis, float db ) { dead_band [ axis ] = db ; }
|
||||
|
||||
float getSaturation ( int axis ) const { return saturate [ axis ] ; }
|
||||
void setSaturation ( int axis, float st ) { saturate [ axis ] = st ; }
|
||||
|
||||
void setMinRange ( float *axes ) { memcpy ( min , axes, num_axes * sizeof(float) ) ; }
|
||||
void setMaxRange ( float *axes ) { memcpy ( max , axes, num_axes * sizeof(float) ) ; }
|
||||
void setCenter ( float *axes ) { memcpy ( center, axes, num_axes * sizeof(float) ) ; }
|
||||
|
||||
void getMinRange ( float *axes ) const { memcpy ( axes, min , num_axes * sizeof(float) ) ; }
|
||||
void getMaxRange ( float *axes ) const { memcpy ( axes, max , num_axes * sizeof(float) ) ; }
|
||||
void getCenter ( float *axes ) const { memcpy ( axes, center, num_axes * sizeof(float) ) ; }
|
||||
|
||||
void read ( int *buttons, float *axes )
|
||||
{
|
||||
if ( error )
|
||||
{
|
||||
if ( buttons )
|
||||
*buttons = 0 ;
|
||||
|
||||
if ( axes )
|
||||
for ( int i = 0 ; i < num_axes ; i++ )
|
||||
axes[i] = 0.0f ;
|
||||
}
|
||||
|
||||
float raw_axes [ _JS_MAX_AXES ] ;
|
||||
|
||||
rawRead ( buttons, raw_axes ) ;
|
||||
|
||||
if ( axes )
|
||||
for ( int i = 0 ; i < num_axes ; i++ )
|
||||
axes[i] = fudge_axis ( raw_axes[i], i ) ;
|
||||
}
|
||||
|
||||
void rawRead ( int *buttons, float *axes )
|
||||
{
|
||||
if ( error )
|
||||
{
|
||||
if ( buttons )
|
||||
*buttons = 0 ;
|
||||
|
||||
if ( axes )
|
||||
for ( int i = 0 ; i < num_axes ; i++ )
|
||||
axes[i] = 1500.0f ;
|
||||
|
||||
return ;
|
||||
}
|
||||
|
||||
#ifdef macintosh
|
||||
|
||||
int i;
|
||||
int err;
|
||||
UInt32 state;
|
||||
|
||||
if (buttons) {
|
||||
|
||||
*buttons = 0;
|
||||
|
||||
for (i = 0; i < num_buttons; i++) {
|
||||
|
||||
err = ISpElement_GetSimpleState (isp_elem[i + isp_num_axis ], &state);
|
||||
ISP_CHECK_ERR (err)
|
||||
|
||||
*buttons |= state << i;
|
||||
}
|
||||
}
|
||||
|
||||
if (axes) {
|
||||
|
||||
for (i = 0; i < num_axes; i++) {
|
||||
|
||||
err = ISpElement_GetSimpleState (isp_elem[ i ], &state);
|
||||
ISP_CHECK_ERR (err);
|
||||
|
||||
axes [i] = (float) state;
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined ( WIN32 )
|
||||
MMRESULT status = joyGetPosEx ( js_id, &js ) ;
|
||||
|
||||
if ( status != JOYERR_NOERROR )
|
||||
{
|
||||
setError() ;
|
||||
return ;
|
||||
}
|
||||
|
||||
if ( buttons )
|
||||
{
|
||||
*buttons = (int) js . dwButtons ;
|
||||
}
|
||||
|
||||
if ( axes )
|
||||
{
|
||||
/* WARNING - Fall through case clauses!! */
|
||||
//lint -save -e616
|
||||
|
||||
switch ( num_axes )
|
||||
{
|
||||
case 8:
|
||||
// Generate two POV axes from the POV hat angle.
|
||||
// Low 16 bits of js.dwPOV gives heading (clockwise from ahead) in
|
||||
// hundredths of a degree, or 0xFFFF when idle.
|
||||
if ( (js.dwPOV & 0xFFFF) == 0xFFFF ) {
|
||||
axes[6] = 0.0;
|
||||
axes[7] = 0.0;
|
||||
} else {
|
||||
// This is the contentious bit: how to convert angle to X/Y.
|
||||
// wk: I know of no define for PI that we could use here:
|
||||
// SG_PI would pull in sg, M_PI is undefined for MSVC
|
||||
// But the accuracy of the value of PI is very unimportant at this point.
|
||||
float s = (float)sin((js.dwPOV & 0xFFFF) * (0.01 * 3.1415926535f / 180));
|
||||
float c = (float)cos((js.dwPOV & 0xFFFF) * (0.01 * 3.1415926535f / 180));
|
||||
// Convert to coordinates on a square so that North-East
|
||||
// is (1,1) not (.7,.7), etc.
|
||||
// s and c cannot both be zero so we won't divide by zero.
|
||||
if (fabs(s) < fabs(c)) {
|
||||
axes[6] = (c < 0.0) ? -s/c : s/c;
|
||||
axes[7] = (c < 0.0) ? -1.0f : 1.0f;
|
||||
} else {
|
||||
axes[6] = (s < 0.0) ? -1.0f : 1.0f;
|
||||
axes[7] = (s < 0.0) ? -c/s : c/s;
|
||||
}
|
||||
}
|
||||
case 6: axes[5] = (float) js . dwVpos ;
|
||||
case 5: axes[4] = (float) js . dwUpos ;
|
||||
case 4: axes[3] = (float) js . dwRpos ;
|
||||
case 3: axes[2] = (float) js . dwZpos ;
|
||||
case 2: axes[1] = (float) js . dwYpos ;
|
||||
case 1: axes[0] = (float) js . dwXpos ;
|
||||
break;
|
||||
default:
|
||||
ulSetError ( UL_WARNING, "PLIB_JS: Wrong num_axes. Joystick input is now invalid" ) ;
|
||||
|
||||
}
|
||||
//lint -restore
|
||||
}
|
||||
#else
|
||||
|
||||
# ifdef JS_NEW
|
||||
|
||||
while (1)
|
||||
{
|
||||
int status = ::read ( fd, &js, sizeof(js_event) ) ;
|
||||
|
||||
if ( status != sizeof(js_event) )
|
||||
{
|
||||
/* use the old values */
|
||||
|
||||
if ( buttons ) *buttons = tmp_buttons ;
|
||||
if ( axes ) memcpy ( axes, tmp_axes, sizeof(float) * num_axes ) ;
|
||||
|
||||
if ( errno == EAGAIN )
|
||||
return ;
|
||||
|
||||
perror( fname ) ;
|
||||
setError () ;
|
||||
return ;
|
||||
}
|
||||
|
||||
switch ( js.type & ~JS_EVENT_INIT )
|
||||
{
|
||||
case JS_EVENT_BUTTON :
|
||||
if ( js.value == 0 ) /* clear the flag */
|
||||
tmp_buttons &= ~(1 << js.number) ;
|
||||
else
|
||||
tmp_buttons |= (1 << js.number) ;
|
||||
break ;
|
||||
|
||||
case JS_EVENT_AXIS:
|
||||
if ( js.number < num_axes )
|
||||
{
|
||||
tmp_axes [ js.number ] = (float) js.value ;
|
||||
|
||||
if ( axes )
|
||||
memcpy ( axes, tmp_axes, sizeof(float) * num_axes ) ;
|
||||
}
|
||||
break ;
|
||||
|
||||
default:
|
||||
ulSetError ( UL_WARNING, "PLIB_JS: Unrecognised /dev/js return!?!" ) ;
|
||||
|
||||
/* use the old values */
|
||||
|
||||
if ( buttons ) *buttons = tmp_buttons ;
|
||||
if ( axes ) memcpy ( axes, tmp_axes, sizeof(float) * num_axes ) ;
|
||||
|
||||
return ;
|
||||
}
|
||||
|
||||
if ( buttons )
|
||||
*buttons = tmp_buttons ;
|
||||
}
|
||||
|
||||
# else
|
||||
|
||||
int status = ::read ( fd, &js, JS_RETURN ) ;
|
||||
|
||||
if ( status != JS_RETURN )
|
||||
{
|
||||
perror ( fname ) ;
|
||||
setError () ;
|
||||
return ;
|
||||
}
|
||||
|
||||
if ( buttons )
|
||||
# if defined(__FreeBSD__) || defined(__NetBSD__)
|
||||
*buttons = ( js.b1 ? 1 : 0 ) | ( js.b2 ? 2 : 0 ) ;
|
||||
# else
|
||||
*buttons = js.buttons ;
|
||||
# endif
|
||||
|
||||
if ( axes )
|
||||
{
|
||||
axes[0] = (float) js.x ;
|
||||
axes[1] = (float) js.y ;
|
||||
}
|
||||
# endif
|
||||
#endif
|
||||
}
|
||||
} ;
|
||||
//lint -restore
|
||||
|
||||
#endif
|
||||
|
||||
Loading…
Reference in a new issue