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The Quake sources as originally release under the GPL license on December 21, 1999
This commit is contained in:
Travis Bradshaw
245
WinQuake/in_sun.c
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245
WinQuake/in_sun.c
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/*
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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_sun.c -- SUN/X mouse input handler
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#include <sys/time.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <signal.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/ipc.h>
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#include <sys/shm.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/Xatom.h>
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#include <X11/keysym.h>
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#include "quakedef.h"
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//
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// typedefs and defines
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//
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#define MOUSE_SCALE 4
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//
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// externs
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//
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extern Display *x_disp;
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extern int x_screen, x_screen_width, x_screen_height;
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extern int x_center_height, x_center_width;
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extern int x_std_event_mask;
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extern Window x_win, x_root_win;
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extern qboolean x_fullscreen;
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extern qboolean x_focus;
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extern int global_dx, global_dy;
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//
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// globals
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//
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cvar_t _windowed_mouse = {"_windowed_mouse","1", true};
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int x_root, y_root;
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int x_root_old, y_root_old;
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//
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// locals
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//
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static int x_mouse_num, x_mouse_denom, x_mouse_thresh;
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static qboolean x_grabbed = false;
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//
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// IN_CenterMouse - center the mouse in the screen
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//
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void IN_CenterMouse( void )
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{
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CheckMouseState();
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if (!x_grabbed)
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return;
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XSelectInput( x_disp, x_win, x_std_event_mask & ~PointerMotionMask );
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XWarpPointer( x_disp, None, x_root_win, 0, 0, 0, 0, x_center_width,
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x_center_height );
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XSelectInput( x_disp, x_win, x_std_event_mask );
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}
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//
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// Check to see if we have grabbed the mouse or not and deal with it
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// appropriately
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//
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static void CheckMouseState(void)
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{
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if (x_focus && _windowed_mouse.value && !x_grabbed) {
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x_grabbed = true;
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printf("fooling with mouse!\n");
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if (XGetPointerControl( x_disp, &x_mouse_num, &x_mouse_denom, &x_mouse_thresh ))
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printf( "XGetPointerControl failed!\n" );
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//printf( "mouse %d/%d thresh %d\n", x_mouse_num, x_mouse_denom, x_mouse_thresh );
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// make input rawer
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XAutoRepeatOff(x_disp);
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XGrabKeyboard(x_disp, x_win, True, GrabModeAsync, GrabModeAsync, CurrentTime);
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XGrabPointer(x_disp, x_win, True,
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PointerMotionMask | ButtonPressMask | ButtonReleaseMask,
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GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
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// if (XChangePointerControl( x_disp, True, True, 1, MOUSE_SCALE, x_mouse_thresh ))
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// printf( "XChangePointerControl failed!\n" );
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IN_CenterMouse();
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// safe initial values
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x_root = x_root_old = vid.width >> 1;
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y_root = y_root_old = vid.height >> 1;
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} else if (x_grabbed && (!_windowed_mouse.value || !x_focus)) {
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printf("fooling with mouse!\n");
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x_grabbed = false;
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// undo mouse warp
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if (XChangePointerControl( x_disp, True, True, x_mouse_num, x_mouse_denom, x_mouse_thresh ))
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printf( "XChangePointerControl failed!\n" );
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XUngrabPointer( x_disp, CurrentTime );
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XUngrabKeyboard( x_disp, CurrentTime );
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XAutoRepeatOn( x_disp );
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}
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}
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//
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// IN_Init - setup mouse input
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//
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void IN_Init (void)
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{
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if (!x_disp) Sys_Error( "X display not open!\n" );
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Cvar_RegisterVariable (&_windowed_mouse);
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// we really really want to clean these up...
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atexit( IN_Shutdown );
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}
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//
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// IN_Shutdown - clean up mouse settings (must be done from signal handler too!)
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//
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void IN_Shutdown (void)
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{
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if (!x_disp) return;
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// undo mouse warp
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if (XChangePointerControl( x_disp, True, True, x_mouse_num, x_mouse_denom, x_mouse_thresh ))
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printf( "XChangePointerControl failed!\n" );
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XUngrabPointer( x_disp, CurrentTime );
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XUngrabKeyboard( x_disp, CurrentTime );
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XAutoRepeatOn( x_disp );
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}
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//
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// IN_Commands - process buttons
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//
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void IN_Commands (void)
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{
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// done in X event handler
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}
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//
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// IN_Move - process mouse moves
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//
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void
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IN_Move (usercmd_t *cmd)
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{
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static int last_dx, last_dy;
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static long long last_movement;
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long long now, gethrtime();
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int dx, dy;
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CheckMouseState();
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if (!x_grabbed)
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return; // no mouse movement
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now = gethrtime();
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dx = global_dx;
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global_dx = 0;
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dy = global_dy;
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global_dy = 0;
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// printf("GOT: dx %d dy %d\n", dx, dy);
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dx *= sensitivity.value;
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dy *= sensitivity.value;
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//
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// implement low pass filter to smooth motion a bit
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//
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if (now - last_movement > 100000000) {
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dx = .6 * dx;
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dy = .6 * dy;
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}
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last_movement = now;
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dx = .6 * dx + .4 * last_dx;
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dy = .6 * dy + .4 * last_dy;
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last_dx = dx;
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last_dy = dy;
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if (!dx && !dy) {
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if (in_mlook.state & 1)
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V_StopPitchDrift ();
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return;
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}
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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 * dx;
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else
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cl.viewangles[YAW] -= m_yaw.value * dx;
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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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cl.viewangles[PITCH] += m_pitch.value * dy;
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if (cl.viewangles[PITCH] > 80) cl.viewangles[PITCH] = 80;
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if (cl.viewangles[PITCH] < -70) cl.viewangles[PITCH] = -70;
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}
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else {
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if ((in_strafe.state & 1) && noclip_anglehack) cmd->upmove -= m_forward.value * dy;
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else cmd->forwardmove -= m_forward.value * dy;
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}
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}
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