diff options
Diffstat (limited to 'WinQuake/in_sun.c')
| -rw-r--r-- | WinQuake/in_sun.c | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/WinQuake/in_sun.c b/WinQuake/in_sun.c new file mode 100644 index 0000000..3ffede5 --- /dev/null +++ b/WinQuake/in_sun.c @@ -0,0 +1,245 @@ +/* +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_sun.c -- SUN/X mouse input handler + +#include <sys/time.h> +#include <sys/types.h> +#include <unistd.h> +#include <signal.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <sys/ipc.h> +#include <sys/shm.h> +#include <X11/Xlib.h> +#include <X11/Xutil.h> +#include <X11/Xatom.h> +#include <X11/keysym.h> + +#include "quakedef.h" + + +// +// typedefs and defines +// + +#define MOUSE_SCALE 4 + +// +// externs +// + +extern Display *x_disp; +extern int x_screen, x_screen_width, x_screen_height; +extern int x_center_height, x_center_width; +extern int x_std_event_mask; +extern Window x_win, x_root_win; +extern qboolean x_fullscreen; +extern qboolean x_focus; +extern int global_dx, global_dy; +// +// globals +// + +cvar_t _windowed_mouse = {"_windowed_mouse","1", true}; +int x_root, y_root; +int x_root_old, y_root_old; +// +// locals +// + +static int x_mouse_num, x_mouse_denom, x_mouse_thresh; + + +static qboolean x_grabbed = false; + +// +// IN_CenterMouse - center the mouse in the screen +// + +void IN_CenterMouse( void ) +{ + CheckMouseState(); + + if (!x_grabbed) + return; + + XSelectInput( x_disp, x_win, x_std_event_mask & ~PointerMotionMask ); + XWarpPointer( x_disp, None, x_root_win, 0, 0, 0, 0, x_center_width, + x_center_height ); + XSelectInput( x_disp, x_win, x_std_event_mask ); +} + +// +// Check to see if we have grabbed the mouse or not and deal with it +// appropriately +// +static void CheckMouseState(void) +{ + if (x_focus && _windowed_mouse.value && !x_grabbed) { + x_grabbed = true; + printf("fooling with mouse!\n"); + if (XGetPointerControl( x_disp, &x_mouse_num, &x_mouse_denom, &x_mouse_thresh )) + printf( "XGetPointerControl failed!\n" ); + //printf( "mouse %d/%d thresh %d\n", x_mouse_num, x_mouse_denom, x_mouse_thresh ); + + // make input rawer + XAutoRepeatOff(x_disp); + XGrabKeyboard(x_disp, x_win, True, GrabModeAsync, GrabModeAsync, CurrentTime); + XGrabPointer(x_disp, x_win, True, + PointerMotionMask | ButtonPressMask | ButtonReleaseMask, + GrabModeAsync, GrabModeAsync, None, None, CurrentTime); + +// if (XChangePointerControl( x_disp, True, True, 1, MOUSE_SCALE, x_mouse_thresh )) +// printf( "XChangePointerControl failed!\n" ); + + IN_CenterMouse(); + + // safe initial values + x_root = x_root_old = vid.width >> 1; + y_root = y_root_old = vid.height >> 1; + } else if (x_grabbed && (!_windowed_mouse.value || !x_focus)) { + printf("fooling with mouse!\n"); + x_grabbed = false; + // undo mouse warp + if (XChangePointerControl( x_disp, True, True, x_mouse_num, x_mouse_denom, x_mouse_thresh )) + printf( "XChangePointerControl failed!\n" ); + + XUngrabPointer( x_disp, CurrentTime ); + XUngrabKeyboard( x_disp, CurrentTime ); + XAutoRepeatOn( x_disp ); + } +} + + +// +// IN_Init - setup mouse input +// + +void IN_Init (void) +{ + if (!x_disp) Sys_Error( "X display not open!\n" ); + + Cvar_RegisterVariable (&_windowed_mouse); + + // we really really want to clean these up... + atexit( IN_Shutdown ); +} + +// +// IN_Shutdown - clean up mouse settings (must be done from signal handler too!) +// + +void IN_Shutdown (void) +{ + if (!x_disp) return; + + // undo mouse warp + if (XChangePointerControl( x_disp, True, True, x_mouse_num, x_mouse_denom, x_mouse_thresh )) + printf( "XChangePointerControl failed!\n" ); + + XUngrabPointer( x_disp, CurrentTime ); + XUngrabKeyboard( x_disp, CurrentTime ); + XAutoRepeatOn( x_disp ); +} + +// +// IN_Commands - process buttons +// + +void IN_Commands (void) +{ + // done in X event handler +} + +// +// IN_Move - process mouse moves +// + +void +IN_Move (usercmd_t *cmd) +{ + static int last_dx, last_dy; + static long long last_movement; + long long now, gethrtime(); + + int dx, dy; + + CheckMouseState(); + + + if (!x_grabbed) + return; // no mouse movement + + + now = gethrtime(); + + dx = global_dx; + global_dx = 0; + + dy = global_dy; + global_dy = 0; + +// printf("GOT: dx %d dy %d\n", dx, dy); + + dx *= sensitivity.value; + dy *= sensitivity.value; + +// +// implement low pass filter to smooth motion a bit +// + if (now - last_movement > 100000000) { + dx = .6 * dx; + dy = .6 * dy; + } + last_movement = now; + + dx = .6 * dx + .4 * last_dx; + dy = .6 * dy + .4 * last_dy; + + + last_dx = dx; + last_dy = dy; + + if (!dx && !dy) { + if (in_mlook.state & 1) + V_StopPitchDrift (); + return; + } + + // add mouse X/Y movement to cmd + if ((in_strafe.state & 1) || (lookstrafe.value && (in_mlook.state & 1))) + cmd->sidemove += m_side.value * dx; + else + cl.viewangles[YAW] -= m_yaw.value * dx; + + if (in_mlook.state & 1) + V_StopPitchDrift (); + + if ((in_mlook.state & 1) && !(in_strafe.state & 1)) { + cl.viewangles[PITCH] += m_pitch.value * dy; + 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 * dy; + else cmd->forwardmove -= m_forward.value * dy; + } +} |