forked from KolibriOS/kolibrios
616 lines
12 KiB
C
616 lines
12 KiB
C
/*
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program 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.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; 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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*/
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// in_mouse.c -- dos mouse code
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#include "quakedef.h"
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#include "dosisms.h"
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#define AUX_FLAG_FREELOOK 0x00000001
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typedef struct
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{
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long interruptVector;
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char deviceName[16];
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long numAxes;
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long numButtons;
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long flags;
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vec3_t viewangles;
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// intended velocities
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float forwardmove;
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float sidemove;
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float upmove;
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long buttons;
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} externControl_t;
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/*
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#define AUX_FLAG_FORCEFREELOOK 0x00000001 // r/o
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#define AUX_FLAG_EXTENDED 0x00000002 // r/o
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#define AUX_FLAG_RUN 0x00000004 // w/o
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#define AUX_FLAG_STRAFE 0x00000008 // w/o
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#define AUX_FLAG_FREELOOK 0x00000010 // w/o
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#define AUX_MAP_UNDEFINED 0
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#define AUX_MAP_PITCH 1
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#define AUX_MAP_YAW 2
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#define AUX_MAP_ROLL 3
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#define AUX_MAP_FORWARD 4
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#define AUX_MAP_SIDE 5
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#define AUX_MAP_UP 6
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typedef struct
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{
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long interruptVector;
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// r/o
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char deviceName[16];
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// r/o
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long numAxes;
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// r/o 1-6
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long numButtons; // r/o 0-32
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long flags; // see above
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byte axisMapping[6]; // w/o default = p,y,r,f,s,u
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float axisValue[6]; // r/w
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float sensitivity[6]; // w/o default = 1.0
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long buttons; // r/o
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float last_frame_time; // w/o
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} externControl_t;
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*/
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cvar_t m_filter = {"m_filter","1"};
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qboolean mouse_avail;
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int mouse_buttons;
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int mouse_oldbuttonstate;
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int mouse_buttonstate;
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float mouse_x, mouse_y;
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float old_mouse_x, old_mouse_y;
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cvar_t in_joystick = {"joystick","1"};
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cvar_t joy_numbuttons = {"joybuttons","4", true};
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qboolean joy_avail;
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int joy_oldbuttonstate;
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int joy_buttonstate;
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int joyxl, joyxh, joyyl, joyyh;
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int joystickx, joysticky;
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qboolean need_center;
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qboolean extern_avail;
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int extern_buttons;
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int extern_oldbuttonstate;
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int extern_buttonstate;
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cvar_t aux_look = {"auxlook","1", true};
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externControl_t *extern_control;
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void IN_StartupExternal (void);
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void IN_ExternalMove (usercmd_t *cmd);
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void IN_StartupJoystick (void);
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qboolean IN_ReadJoystick (void);
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void Toggle_AuxLook_f (void)
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{
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if (aux_look.value)
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Cvar_Set ("auxlook","0");
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else
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Cvar_Set ("auxlook","1");
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}
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void Force_CenterView_f (void)
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{
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cl.viewangles[PITCH] = 0;
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}
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/*
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===========
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IN_StartupMouse
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===========
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*/
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void IN_StartupMouse (void)
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{
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if ( COM_CheckParm ("-nomouse") )
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return;
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// check for mouse
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regs.x.ax = 0;
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dos_int86(0x33);
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mouse_avail = regs.x.ax;
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if (!mouse_avail)
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{
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Con_Printf ("No mouse found\n");
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return;
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}
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mouse_buttons = regs.x.bx;
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if (mouse_buttons > 3)
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mouse_buttons = 3;
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Con_Printf("%d-button mouse available\n", mouse_buttons);
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}
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/*
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===========
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IN_Init
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===========
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*/
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void IN_Init (void)
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{
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int i;
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Cvar_RegisterVariable (&m_filter);
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Cvar_RegisterVariable (&in_joystick);
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Cvar_RegisterVariable (&joy_numbuttons);
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Cvar_RegisterVariable (&aux_look);
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Cmd_AddCommand ("toggle_auxlook", Toggle_AuxLook_f);
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Cmd_AddCommand ("force_centerview", Force_CenterView_f);
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IN_StartupMouse ();
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IN_StartupJoystick ();
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i = COM_CheckParm ("-control");
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if (i)
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{
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extern_control = real2ptr(Q_atoi (com_argv[i+1]));
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IN_StartupExternal ();
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}
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}
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/*
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===========
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IN_Shutdown
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===========
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*/
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void IN_Shutdown (void)
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{
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}
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/*
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===========
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IN_Commands
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===========
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*/
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void IN_Commands (void)
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{
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int i;
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if (mouse_avail)
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{
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regs.x.ax = 3; // read buttons
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dos_int86(0x33);
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mouse_buttonstate = regs.x.bx;
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// perform button actions
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for (i=0 ; i<mouse_buttons ; i++)
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{
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if ( (mouse_buttonstate & (1<<i)) &&
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!(mouse_oldbuttonstate & (1<<i)) )
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{
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Key_Event (K_MOUSE1 + i, true);
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}
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if ( !(mouse_buttonstate & (1<<i)) &&
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(mouse_oldbuttonstate & (1<<i)) )
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{
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Key_Event (K_MOUSE1 + i, false);
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}
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}
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mouse_oldbuttonstate = mouse_buttonstate;
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}
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if (joy_avail)
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{
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joy_buttonstate = ((dos_inportb(0x201) >> 4)&15)^15;
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// perform button actions
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for (i=0 ; i<joy_numbuttons.value ; i++)
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{
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if ( (joy_buttonstate & (1<<i)) &&
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!(joy_oldbuttonstate & (1<<i)) )
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{
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Key_Event (K_JOY1 + i, true);
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}
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if ( !(joy_buttonstate & (1<<i)) &&
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(joy_oldbuttonstate & (1<<i)) )
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{
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Key_Event (K_JOY1 + i, false);
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}
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}
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joy_oldbuttonstate = joy_buttonstate;
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}
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if (extern_avail)
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{
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extern_buttonstate = extern_control->buttons;
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// perform button actions
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for (i=0 ; i<extern_buttons ; i++)
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{
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if ( (extern_buttonstate & (1<<i)) &&
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!(extern_oldbuttonstate & (1<<i)) )
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{
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Key_Event (K_AUX1 + i, true);
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}
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if ( !(extern_buttonstate & (1<<i)) &&
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(extern_oldbuttonstate & (1<<i)) )
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{
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Key_Event (K_AUX1 + i, false);
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}
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}
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extern_oldbuttonstate = extern_buttonstate;
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}
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}
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/*
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===========
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IN_Move
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===========
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*/
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void IN_MouseMove (usercmd_t *cmd)
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{
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int mx, my;
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if (!mouse_avail)
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return;
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regs.x.ax = 11; // read move
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dos_int86(0x33);
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mx = (short)regs.x.cx;
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my = (short)regs.x.dx;
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if (m_filter.value)
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{
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mouse_x = (mx + old_mouse_x) * 0.5;
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mouse_y = (my + old_mouse_y) * 0.5;
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}
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else
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{
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mouse_x = mx;
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mouse_y = my;
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}
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old_mouse_x = mx;
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old_mouse_y = my;
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mouse_x *= sensitivity.value;
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mouse_y *= sensitivity.value;
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// add mouse X/Y movement to cmd
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if ( (in_strafe.state & 1) || (lookstrafe.value && (in_mlook.state & 1) ))
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cmd->sidemove += m_side.value * mouse_x;
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else
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cl.viewangles[YAW] -= m_yaw.value * mouse_x;
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if (in_mlook.state & 1)
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V_StopPitchDrift ();
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if ( (in_mlook.state & 1) && !(in_strafe.state & 1))
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{
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cl.viewangles[PITCH] += m_pitch.value * mouse_y;
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if (cl.viewangles[PITCH] > 80)
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cl.viewangles[PITCH] = 80;
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if (cl.viewangles[PITCH] < -70)
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cl.viewangles[PITCH] = -70;
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}
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else
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{
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if ((in_strafe.state & 1) && noclip_anglehack)
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cmd->upmove -= m_forward.value * mouse_y;
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else
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cmd->forwardmove -= m_forward.value * mouse_y;
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}
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}
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/*
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===========
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IN_JoyMove
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===========
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*/
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void IN_JoyMove (usercmd_t *cmd)
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{
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float speed, aspeed;
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if (!joy_avail || !in_joystick.value)
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return;
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IN_ReadJoystick ();
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if (joysticky > joyyh*2 || joystickx > joyxh*2)
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return; // assume something jumped in and messed up the joystick
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// reading time (win 95)
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if (in_speed.state & 1)
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speed = cl_movespeedkey.value;
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else
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speed = 1;
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aspeed = speed*host_frametime;
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if (in_strafe.state & 1)
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{
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if (joystickx < joyxl)
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cmd->sidemove -= speed*cl_sidespeed.value;
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else if (joystickx > joyxh)
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cmd->sidemove += speed*cl_sidespeed.value;
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}
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else
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{
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if (joystickx < joyxl)
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cl.viewangles[YAW] += aspeed*cl_yawspeed.value;
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else if (joystickx > joyxh)
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cl.viewangles[YAW] -= aspeed*cl_yawspeed.value;
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cl.viewangles[YAW] = anglemod(cl.viewangles[YAW]);
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}
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if (in_mlook.state & 1)
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{
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if (m_pitch.value < 0)
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speed *= -1;
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if (joysticky < joyyl)
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cl.viewangles[PITCH] += aspeed*cl_pitchspeed.value;
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else if (joysticky > joyyh)
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cl.viewangles[PITCH] -= aspeed*cl_pitchspeed.value;
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}
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else
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{
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if (joysticky < joyyl)
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cmd->forwardmove += speed*cl_forwardspeed.value;
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else if (joysticky > joyyh)
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cmd->forwardmove -= speed*cl_backspeed.value;
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}
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}
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/*
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===========
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IN_Move
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===========
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*/
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void IN_Move (usercmd_t *cmd)
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{
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IN_MouseMove (cmd);
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IN_JoyMove (cmd);
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IN_ExternalMove (cmd);
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}
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/*
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============================================================================
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JOYSTICK
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============================================================================
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*/
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qboolean IN_ReadJoystick (void)
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{
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int b;
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int count;
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joystickx = 0;
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joysticky = 0;
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count = 0;
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b = dos_inportb(0x201);
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dos_outportb(0x201, b);
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// clear counters
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while (++count < 10000)
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{
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b = dos_inportb(0x201);
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joystickx += b&1;
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joysticky += (b&2)>>1;
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if ( !(b&3) )
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return true;
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}
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Con_Printf ("IN_ReadJoystick: no response\n");
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joy_avail = false;
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return false;
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}
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/*
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=============
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WaitJoyButton
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=============
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*/
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qboolean WaitJoyButton (void)
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{
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int oldbuttons, buttons;
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oldbuttons = 0;
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do
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{
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key_count = -1;
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Sys_SendKeyEvents ();
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key_count = 0;
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if (key_lastpress == K_ESCAPE)
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{
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Con_Printf ("aborted.\n");
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return false;
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}
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key_lastpress = 0;
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SCR_UpdateScreen ();
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buttons = ((dos_inportb(0x201) >> 4)&1)^1;
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if (buttons != oldbuttons)
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{
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oldbuttons = buttons;
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continue;
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}
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} while ( !buttons);
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do
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{
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key_count = -1;
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Sys_SendKeyEvents ();
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key_count = 0;
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if (key_lastpress == K_ESCAPE)
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{
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Con_Printf ("aborted.\n");
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return false;
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}
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key_lastpress = 0;
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SCR_UpdateScreen ();
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buttons = ((dos_inportb(0x201) >> 4)&1)^1;
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if (buttons != oldbuttons)
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{
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oldbuttons = buttons;
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continue;
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}
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} while ( buttons);
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return true;
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}
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/*
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===============
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IN_StartupJoystick
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===============
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*/
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void IN_StartupJoystick (void)
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{
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int centerx, centery;
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Con_Printf ("\n");
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joy_avail = false;
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if ( COM_CheckParm ("-nojoy") )
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return;
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if (!IN_ReadJoystick ())
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{
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joy_avail = false;
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Con_Printf ("joystick not found\n");
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return;
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}
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Con_Printf ("joystick found\n");
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Con_Printf ("CENTER the joystick\nand press button 1 (ESC to skip):\n");
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if (!WaitJoyButton ())
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return;
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IN_ReadJoystick ();
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centerx = joystickx;
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centery = joysticky;
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Con_Printf ("Push the joystick to the UPPER LEFT\nand press button 1 (ESC to skip):\n");
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if (!WaitJoyButton ())
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return;
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IN_ReadJoystick ();
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joyxl = (centerx + joystickx)/2;
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joyyl = (centerx + joysticky)/2;
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Con_Printf ("Push the joystick to the LOWER RIGHT\nand press button 1 (ESC to skip):\n");
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if (!WaitJoyButton ())
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return;
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IN_ReadJoystick ();
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joyxh = (centerx + joystickx)/2;
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joyyh = (centery + joysticky)/2;
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joy_avail = true;
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Con_Printf ("joystick configured.\n");
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Con_Printf ("\n");
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}
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/*
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============================================================================
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EXTERNAL
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============================================================================
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*/
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/*
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===============
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IN_StartupExternal
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===============
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*/
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void IN_StartupExternal (void)
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{
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if (extern_control->numButtons > 32)
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extern_control->numButtons = 32;
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Con_Printf("%s Initialized\n", extern_control->deviceName);
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Con_Printf(" %u axes %u buttons\n", extern_control->numAxes, extern_control->numButtons);
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extern_avail = true;
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extern_buttons = extern_control->numButtons;
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}
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/*
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===========
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IN_ExternalMove
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===========
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*/
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void IN_ExternalMove (usercmd_t *cmd)
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{
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qboolean freelook;
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if (! extern_avail)
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return;
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extern_control->viewangles[YAW] = cl.viewangles[YAW];
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extern_control->viewangles[PITCH] = cl.viewangles[PITCH];
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extern_control->viewangles[ROLL] = cl.viewangles[ROLL];
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extern_control->forwardmove = cmd->forwardmove;
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extern_control->sidemove = cmd->sidemove;
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extern_control->upmove = cmd->upmove;
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Con_DPrintf("IN: y:%f p:%f r:%f f:%f s:%f u:%f\n", extern_control->viewangles[YAW], extern_control->viewangles[PITCH], extern_control->viewangles[ROLL], extern_control->forwardmove, extern_control->sidemove, extern_control->upmove);
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dos_int86(extern_control->interruptVector);
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Con_DPrintf("OUT: y:%f p:%f r:%f f:%f s:%f u:%f\n", extern_control->viewangles[YAW], extern_control->viewangles[PITCH], extern_control->viewangles[ROLL], extern_control->forwardmove, extern_control->sidemove, extern_control->upmove);
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cl.viewangles[YAW] = extern_control->viewangles[YAW];
|
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cl.viewangles[PITCH] = extern_control->viewangles[PITCH];
|
|
cl.viewangles[ROLL] = extern_control->viewangles[ROLL];
|
|
cmd->forwardmove = extern_control->forwardmove;
|
|
cmd->sidemove = extern_control->sidemove;
|
|
cmd->upmove = extern_control->upmove;
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|
|
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if (cl.viewangles[PITCH] > 80)
|
|
cl.viewangles[PITCH] = 80;
|
|
if (cl.viewangles[PITCH] < -70)
|
|
cl.viewangles[PITCH] = -70;
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|
|
|
freelook = (extern_control->flags & AUX_FLAG_FREELOOK || aux_look.value || in_mlook.state & 1);
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|
|
|
if (freelook)
|
|
V_StopPitchDrift ();
|
|
}
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