2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 // chase.c -- chase camera code
23 #include "cl_collision.h"
25 cvar_t chase_back = {CVAR_SAVE, "chase_back", "48"};
26 cvar_t chase_up = {CVAR_SAVE, "chase_up", "24"};
27 cvar_t chase_active = {CVAR_SAVE, "chase_active", "0"};
29 void Chase_Init (void)
31 Cvar_RegisterVariable (&chase_back);
32 Cvar_RegisterVariable (&chase_up);
33 Cvar_RegisterVariable (&chase_active);
36 void Chase_Reset (void)
38 // for respawning and teleporting
39 // start position 12 units behind head
42 void Chase_Update (void)
44 vec3_t forward, stop, chase_dest, normal;
47 chase_back.value = bound(0, chase_back.value, 128);
48 chase_up.value = bound(-48, chase_up.value, 96);
50 AngleVectors (cl.viewangles, forward, NULL, NULL);
52 dist = -chase_back.value - 8;
53 chase_dest[0] = r_refdef.vieworg[0] + forward[0] * dist;
54 chase_dest[1] = r_refdef.vieworg[1] + forward[1] * dist;
55 chase_dest[2] = r_refdef.vieworg[2] + forward[2] * dist + chase_up.value;
57 CL_TraceLine (r_refdef.vieworg, chase_dest, stop, normal, 0, true, NULL);
58 chase_dest[0] = stop[0] + forward[0] * 8 + normal[0] * 4;
59 chase_dest[1] = stop[1] + forward[1] * 8 + normal[1] * 4;
60 chase_dest[2] = stop[2] + forward[2] * 8 + normal[2] * 4;
62 VectorCopy (chase_dest, r_refdef.vieworg);