mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-14 00:40:55 +00:00
619 lines
12 KiB
C
619 lines
12 KiB
C
/*
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in_dos.c
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@description@
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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:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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$Id$
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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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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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;
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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;
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cvar_t *joy_numbuttons;
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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;
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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
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Toggle_AuxLook_f (void)
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{
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if (aux_look->int_val)
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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
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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
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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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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
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IN_Init (void)
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{
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int i;
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m_filter = Cvar_Get ("m_filter", "0", CVAR_ARCHIVE, NULL, "None");
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in_joystick = Cvar_Get ("joystick", "0", CVAR_ARCHIVE, NULL, "None");
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joy_numbuttons = Cvar_Get ("joybuttons", "4", CVAR_ARCHIVE, NULL, "None");
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aux_look = Cvar_Get ("auxlook", "1", CVAR_ARCHIVE, NULL, "None");
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Cmd_AddCommand ("toggle_auxlook", Toggle_AuxLook_f, "No Description");
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Cmd_AddCommand ("force_centerview", Force_CenterView_f, "No Description");
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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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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
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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
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IN_Commands (void)
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{
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int i;
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if (mouse_avail) {
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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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if ((mouse_buttonstate & (1 << i)) &&
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!(mouse_oldbuttonstate & (1 << i))) {
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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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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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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->int_val; i++) {
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if ((joy_buttonstate & (1 << i)) &&
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!(joy_oldbuttonstate & (1 << i))) {
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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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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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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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if ((extern_buttonstate & (1 << i)) &&
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!(extern_oldbuttonstate & (1 << i))) {
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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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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
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IN_MouseMove (void)
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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->int_val) {
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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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} else {
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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->int_val && (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) && !(in_strafe.state & 1)) {
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viewdelta.angles[PITCH] += mouse_y;
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} else {
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if (in_strafe.state & 1)
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viewdelta.position[1] -= mouse_y;
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else
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viewdelta.position[2] -= 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
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IN_JoyMove (void)
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{
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float speed, aspeed;
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if (!joy_avail || !in_joystick->int_val)
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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
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// 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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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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} else {
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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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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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} else {
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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
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IN_Move (void)
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{
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IN_MouseMove ();
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IN_JoyMove ();
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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
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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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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
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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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key_count = -1;
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IN_SendKeyEvents ();
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key_count = 0;
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if (key_lastpress == K_ESCAPE) {
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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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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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key_count = -1;
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IN_SendKeyEvents ();
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key_count = 0;
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if (key_lastpress == K_ESCAPE) {
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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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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
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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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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
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("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
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("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
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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,
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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
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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",
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extern_control->viewangles[YAW],
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extern_control->viewangles[PITCH],
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extern_control->viewangles[ROLL], extern_control->forwardmove,
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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",
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extern_control->viewangles[YAW],
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extern_control->viewangles[PITCH],
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extern_control->viewangles[ROLL], extern_control->forwardmove,
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extern_control->sidemove, extern_control->upmove);
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cl.viewangles[YAW] = extern_control->viewangles[YAW];
|
|
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;
|
|
|
|
if (cl.viewangles[PITCH] > 80)
|
|
cl.viewangles[PITCH] = 80;
|
|
if (cl.viewangles[PITCH] < -70)
|
|
cl.viewangles[PITCH] = -70;
|
|
|
|
freelook = (extern_control->flags & AUX_FLAG_FREELOOK || aux_look->int_val
|
|
|| in_mlook.state & 1);
|
|
|
|
if (freelook)
|
|
V_StopPitchDrift ();
|
|
}
|
|
|
|
void
|
|
IN_HandlePause (qboolean pause)
|
|
{
|
|
}
|
|
|
|
void
|
|
IN_LL_ClearStates (void)
|
|
{
|
|
}
|