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authorTravis Bradshaw <travis.bradshaw@idsoftware.com>2012-01-31 14:32:09 -0600
committerTravis Bradshaw <travis.bradshaw@idsoftware.com>2012-01-31 14:32:09 -0600
commit0023db327bc1db00068284b70e1db45857aeee35 (patch)
tree01dd8366d20bd674741cfe8ceb069d82a2e33973 /WinQuake/in_dos.c
downloadquake-pum-0023db327bc1db00068284b70e1db45857aeee35.tar.gz
The Quake sources as originally release under the GPL license on December 21, 1999
Diffstat (limited to 'WinQuake/in_dos.c')
-rw-r--r--WinQuake/in_dos.c615
1 files changed, 615 insertions, 0 deletions
diff --git a/WinQuake/in_dos.c b/WinQuake/in_dos.c
new file mode 100644
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--- /dev/null
+++ b/WinQuake/in_dos.c
@@ -0,0 +1,615 @@
+/*
+Copyright (C) 1996-1997 Id Software, Inc.
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+*/
+// in_mouse.c -- dos mouse code
+
+#include "quakedef.h"
+#include "dosisms.h"
+
+#define AUX_FLAG_FREELOOK 0x00000001
+
+typedef struct
+{
+ long interruptVector;
+ char deviceName[16];
+ long numAxes;
+ long numButtons;
+ long flags;
+
+ vec3_t viewangles;
+
+// intended velocities
+ float forwardmove;
+ float sidemove;
+ float upmove;
+
+ long buttons;
+} externControl_t;
+
+/*
+#define AUX_FLAG_FORCEFREELOOK 0x00000001 // r/o
+#define AUX_FLAG_EXTENDED 0x00000002 // r/o
+#define AUX_FLAG_RUN 0x00000004 // w/o
+#define AUX_FLAG_STRAFE 0x00000008 // w/o
+#define AUX_FLAG_FREELOOK 0x00000010 // w/o
+
+#define AUX_MAP_UNDEFINED 0
+#define AUX_MAP_PITCH 1
+#define AUX_MAP_YAW 2
+#define AUX_MAP_ROLL 3
+#define AUX_MAP_FORWARD 4
+#define AUX_MAP_SIDE 5
+#define AUX_MAP_UP 6
+
+typedef struct
+{
+ long interruptVector;
+ // r/o
+ char deviceName[16];
+ // r/o
+ long numAxes;
+ // r/o 1-6
+ long numButtons; // r/o 0-32
+ long flags; // see above
+ byte axisMapping[6]; // w/o default = p,y,r,f,s,u
+ float axisValue[6]; // r/w
+ float sensitivity[6]; // w/o default = 1.0
+ long buttons; // r/o
+ float last_frame_time; // w/o
+} externControl_t;
+*/
+
+cvar_t m_filter = {"m_filter","1"};
+
+qboolean mouse_avail;
+int mouse_buttons;
+int mouse_oldbuttonstate;
+int mouse_buttonstate;
+float mouse_x, mouse_y;
+float old_mouse_x, old_mouse_y;
+
+
+cvar_t in_joystick = {"joystick","1"};
+cvar_t joy_numbuttons = {"joybuttons","4", true};
+
+qboolean joy_avail;
+int joy_oldbuttonstate;
+int joy_buttonstate;
+
+int joyxl, joyxh, joyyl, joyyh;
+int joystickx, joysticky;
+
+qboolean need_center;
+
+qboolean extern_avail;
+int extern_buttons;
+int extern_oldbuttonstate;
+int extern_buttonstate;
+cvar_t aux_look = {"auxlook","1", true};
+externControl_t *extern_control;
+void IN_StartupExternal (void);
+void IN_ExternalMove (usercmd_t *cmd);
+
+void IN_StartupJoystick (void);
+qboolean IN_ReadJoystick (void);
+
+
+void Toggle_AuxLook_f (void)
+{
+ if (aux_look.value)
+ Cvar_Set ("auxlook","0");
+ else
+ Cvar_Set ("auxlook","1");
+}
+
+
+void Force_CenterView_f (void)
+{
+ cl.viewangles[PITCH] = 0;
+}
+
+
+/*
+===========
+IN_StartupMouse
+===========
+*/
+void IN_StartupMouse (void)
+{
+ if ( COM_CheckParm ("-nomouse") )
+ return;
+
+// check for mouse
+ regs.x.ax = 0;
+ dos_int86(0x33);
+ mouse_avail = regs.x.ax;
+ if (!mouse_avail)
+ {
+ Con_Printf ("No mouse found\n");
+ return;
+ }
+
+ mouse_buttons = regs.x.bx;
+ if (mouse_buttons > 3)
+ mouse_buttons = 3;
+ Con_Printf("%d-button mouse available\n", mouse_buttons);
+}
+
+/*
+===========
+IN_Init
+===========
+*/
+void IN_Init (void)
+{
+ int i;
+
+ Cvar_RegisterVariable (&m_filter);
+ Cvar_RegisterVariable (&in_joystick);
+ Cvar_RegisterVariable (&joy_numbuttons);
+ Cvar_RegisterVariable (&aux_look);
+ Cmd_AddCommand ("toggle_auxlook", Toggle_AuxLook_f);
+ Cmd_AddCommand ("force_centerview", Force_CenterView_f);
+
+ IN_StartupMouse ();
+ IN_StartupJoystick ();
+
+ i = COM_CheckParm ("-control");
+ if (i)
+ {
+ extern_control = real2ptr(Q_atoi (com_argv[i+1]));
+ IN_StartupExternal ();
+ }
+}
+
+/*
+===========
+IN_Shutdown
+===========
+*/
+void IN_Shutdown (void)
+{
+
+}
+
+
+/*
+===========
+IN_Commands
+===========
+*/
+void IN_Commands (void)
+{
+ int i;
+
+ if (mouse_avail)
+ {
+ regs.x.ax = 3; // read buttons
+ dos_int86(0x33);
+ mouse_buttonstate = regs.x.bx;
+
+ // perform button actions
+ for (i=0 ; i<mouse_buttons ; i++)
+ {
+ if ( (mouse_buttonstate & (1<<i)) &&
+ !(mouse_oldbuttonstate & (1<<i)) )
+ {
+ Key_Event (K_MOUSE1 + i, true);
+ }
+ if ( !(mouse_buttonstate & (1<<i)) &&
+ (mouse_oldbuttonstate & (1<<i)) )
+ {
+ Key_Event (K_MOUSE1 + i, false);
+ }
+ }
+
+ mouse_oldbuttonstate = mouse_buttonstate;
+ }
+
+ if (joy_avail)
+ {
+ joy_buttonstate = ((dos_inportb(0x201) >> 4)&15)^15;
+ // perform button actions
+ for (i=0 ; i<joy_numbuttons.value ; i++)
+ {
+ if ( (joy_buttonstate & (1<<i)) &&
+ !(joy_oldbuttonstate & (1<<i)) )
+ {
+ Key_Event (K_JOY1 + i, true);
+ }
+ if ( !(joy_buttonstate & (1<<i)) &&
+ (joy_oldbuttonstate & (1<<i)) )
+ {
+ Key_Event (K_JOY1 + i, false);
+ }
+ }
+
+ joy_oldbuttonstate = joy_buttonstate;
+ }
+
+ if (extern_avail)
+ {
+ extern_buttonstate = extern_control->buttons;
+
+ // perform button actions
+ for (i=0 ; i<extern_buttons ; i++)
+ {
+ if ( (extern_buttonstate & (1<<i)) &&
+ !(extern_oldbuttonstate & (1<<i)) )
+ {
+ Key_Event (K_AUX1 + i, true);
+ }
+ if ( !(extern_buttonstate & (1<<i)) &&
+ (extern_oldbuttonstate & (1<<i)) )
+ {
+ Key_Event (K_AUX1 + i, false);
+ }
+ }
+
+ extern_oldbuttonstate = extern_buttonstate;
+ }
+
+}
+
+
+/*
+===========
+IN_Move
+===========
+*/
+void IN_MouseMove (usercmd_t *cmd)
+{
+ int mx, my;
+
+ if (!mouse_avail)
+ return;
+
+ regs.x.ax = 11; // read move
+ dos_int86(0x33);
+ mx = (short)regs.x.cx;
+ my = (short)regs.x.dx;
+
+ if (m_filter.value)
+ {
+ mouse_x = (mx + old_mouse_x) * 0.5;
+ mouse_y = (my + old_mouse_y) * 0.5;
+ }
+ else
+ {
+ mouse_x = mx;
+ mouse_y = my;
+ }
+ old_mouse_x = mx;
+ old_mouse_y = my;
+
+ mouse_x *= sensitivity.value;
+ mouse_y *= sensitivity.value;
+
+// add mouse X/Y movement to cmd
+ if ( (in_strafe.state & 1) || (lookstrafe.value && (in_mlook.state & 1) ))
+ cmd->sidemove += m_side.value * mouse_x;
+ else
+ cl.viewangles[YAW] -= m_yaw.value * mouse_x;
+
+ if (in_mlook.state & 1)
+ V_StopPitchDrift ();
+
+ if ( (in_mlook.state & 1) && !(in_strafe.state & 1))
+ {
+ cl.viewangles[PITCH] += m_pitch.value * mouse_y;
+ if (cl.viewangles[PITCH] > 80)
+ cl.viewangles[PITCH] = 80;
+ if (cl.viewangles[PITCH] < -70)
+ cl.viewangles[PITCH] = -70;
+ }
+ else
+ {
+ if ((in_strafe.state & 1) && noclip_anglehack)
+ cmd->upmove -= m_forward.value * mouse_y;
+ else
+ cmd->forwardmove -= m_forward.value * mouse_y;
+ }
+}
+
+/*
+===========
+IN_JoyMove
+===========
+*/
+void IN_JoyMove (usercmd_t *cmd)
+{
+ float speed, aspeed;
+
+ if (!joy_avail || !in_joystick.value)
+ return;
+
+ IN_ReadJoystick ();
+ if (joysticky > joyyh*2 || joystickx > joyxh*2)
+ return; // assume something jumped in and messed up the joystick
+ // reading time (win 95)
+
+ if (in_speed.state & 1)
+ speed = cl_movespeedkey.value;
+ else
+ speed = 1;
+ aspeed = speed*host_frametime;
+
+ if (in_strafe.state & 1)
+ {
+ if (joystickx < joyxl)
+ cmd->sidemove -= speed*cl_sidespeed.value;
+ else if (joystickx > joyxh)
+ cmd->sidemove += speed*cl_sidespeed.value;
+ }
+ else
+ {
+ if (joystickx < joyxl)
+ cl.viewangles[YAW] += aspeed*cl_yawspeed.value;
+ else if (joystickx > joyxh)
+ cl.viewangles[YAW] -= aspeed*cl_yawspeed.value;
+ cl.viewangles[YAW] = anglemod(cl.viewangles[YAW]);
+ }
+
+ if (in_mlook.state & 1)
+ {
+ if (m_pitch.value < 0)
+ speed *= -1;
+
+ if (joysticky < joyyl)
+ cl.viewangles[PITCH] += aspeed*cl_pitchspeed.value;
+ else if (joysticky > joyyh)
+ cl.viewangles[PITCH] -= aspeed*cl_pitchspeed.value;
+ }
+ else
+ {
+ if (joysticky < joyyl)
+ cmd->forwardmove += speed*cl_forwardspeed.value;
+ else if (joysticky > joyyh)
+ cmd->forwardmove -= speed*cl_backspeed.value;
+ }
+}
+
+/*
+===========
+IN_Move
+===========
+*/
+void IN_Move (usercmd_t *cmd)
+{
+ IN_MouseMove (cmd);
+ IN_JoyMove (cmd);
+ IN_ExternalMove (cmd);
+}
+
+/*
+============================================================================
+
+ JOYSTICK
+
+============================================================================
+*/
+
+
+
+qboolean IN_ReadJoystick (void)
+{
+ int b;
+ int count;
+
+ joystickx = 0;
+ joysticky = 0;
+
+ count = 0;
+
+ b = dos_inportb(0x201);
+ dos_outportb(0x201, b);
+
+// clear counters
+ while (++count < 10000)
+ {
+ b = dos_inportb(0x201);
+
+ joystickx += b&1;
+ joysticky += (b&2)>>1;
+ if ( !(b&3) )
+ return true;
+ }
+
+ Con_Printf ("IN_ReadJoystick: no response\n");
+ joy_avail = false;
+ return false;
+}
+
+/*
+=============
+WaitJoyButton
+=============
+*/
+qboolean WaitJoyButton (void)
+{
+ int oldbuttons, buttons;
+
+ oldbuttons = 0;
+ do
+ {
+ key_count = -1;
+ Sys_SendKeyEvents ();
+ key_count = 0;
+ if (key_lastpress == K_ESCAPE)
+ {
+ Con_Printf ("aborted.\n");
+ return false;
+ }
+ key_lastpress = 0;
+ SCR_UpdateScreen ();
+ buttons = ((dos_inportb(0x201) >> 4)&1)^1;
+ if (buttons != oldbuttons)
+ {
+ oldbuttons = buttons;
+ continue;
+ }
+ } while ( !buttons);
+
+ do
+ {
+ key_count = -1;
+ Sys_SendKeyEvents ();
+ key_count = 0;
+ if (key_lastpress == K_ESCAPE)
+ {
+ Con_Printf ("aborted.\n");
+ return false;
+ }
+ key_lastpress = 0;
+ SCR_UpdateScreen ();
+ buttons = ((dos_inportb(0x201) >> 4)&1)^1;
+ if (buttons != oldbuttons)
+ {
+ oldbuttons = buttons;
+ continue;
+ }
+ } while ( buttons);
+
+ return true;
+}
+
+
+
+/*
+===============
+IN_StartupJoystick
+===============
+*/
+void IN_StartupJoystick (void)
+{
+ int centerx, centery;
+
+ Con_Printf ("\n");
+
+ joy_avail = false;
+ if ( COM_CheckParm ("-nojoy") )
+ return;
+
+ if (!IN_ReadJoystick ())
+ {
+ joy_avail = false;
+ Con_Printf ("joystick not found\n");
+ return;
+ }
+
+ Con_Printf ("joystick found\n");
+
+ Con_Printf ("CENTER the joystick\nand press button 1 (ESC to skip):\n");
+ if (!WaitJoyButton ())
+ return;
+ IN_ReadJoystick ();
+ centerx = joystickx;
+ centery = joysticky;
+
+ Con_Printf ("Push the joystick to the UPPER LEFT\nand press button 1 (ESC to skip):\n");
+ if (!WaitJoyButton ())
+ return;
+ IN_ReadJoystick ();
+ joyxl = (centerx + joystickx)/2;
+ joyyl = (centerx + joysticky)/2;
+
+ Con_Printf ("Push the joystick to the LOWER RIGHT\nand press button 1 (ESC to skip):\n");
+ if (!WaitJoyButton ())
+ return;
+ IN_ReadJoystick ();
+ joyxh = (centerx + joystickx)/2;
+ joyyh = (centery + joysticky)/2;
+
+ joy_avail = true;
+ Con_Printf ("joystick configured.\n");
+
+ Con_Printf ("\n");
+}
+
+
+/*
+============================================================================
+
+ EXTERNAL
+
+============================================================================
+*/
+
+
+/*
+===============
+IN_StartupExternal
+===============
+*/
+void IN_StartupExternal (void)
+{
+ if (extern_control->numButtons > 32)
+ extern_control->numButtons = 32;
+
+ Con_Printf("%s Initialized\n", extern_control->deviceName);
+ Con_Printf(" %u axes %u buttons\n", extern_control->numAxes, extern_control->numButtons);
+
+ extern_avail = true;
+ extern_buttons = extern_control->numButtons;
+}
+
+
+/*
+===========
+IN_ExternalMove
+===========
+*/
+void IN_ExternalMove (usercmd_t *cmd)
+{
+ qboolean freelook;
+
+ if (! extern_avail)
+ return;
+
+ extern_control->viewangles[YAW] = cl.viewangles[YAW];
+ extern_control->viewangles[PITCH] = cl.viewangles[PITCH];
+ extern_control->viewangles[ROLL] = cl.viewangles[ROLL];
+ extern_control->forwardmove = cmd->forwardmove;
+ extern_control->sidemove = cmd->sidemove;
+ extern_control->upmove = cmd->upmove;
+
+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);
+
+ dos_int86(extern_control->interruptVector);
+
+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);
+
+ 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.value || in_mlook.state & 1);
+
+ if (freelook)
+ V_StopPitchDrift ();
+}
+