diff options
Diffstat (limited to 'WinQuake/chase.c')
| -rw-r--r-- | WinQuake/chase.c | 184 |
1 files changed, 92 insertions, 92 deletions
diff --git a/WinQuake/chase.c b/WinQuake/chase.c index 23061e3..d986ad0 100644 --- a/WinQuake/chase.c +++ b/WinQuake/chase.c @@ -1,92 +1,92 @@ -/* -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. - -*/ -// chase.c -- chase camera code - -#include "quakedef.h" - -cvar_t chase_back = {"chase_back", "100"}; -cvar_t chase_up = {"chase_up", "16"}; -cvar_t chase_right = {"chase_right", "0"}; -cvar_t chase_active = {"chase_active", "0"}; - -vec3_t chase_pos; -vec3_t chase_angles; - -vec3_t chase_dest; -vec3_t chase_dest_angles; - - -void Chase_Init (void) -{ - Cvar_RegisterVariable (&chase_back); - Cvar_RegisterVariable (&chase_up); - Cvar_RegisterVariable (&chase_right); - Cvar_RegisterVariable (&chase_active); -} - -void Chase_Reset (void) -{ - // for respawning and teleporting -// start position 12 units behind head -} - -void TraceLine (vec3_t start, vec3_t end, vec3_t impact) -{ - trace_t trace; - - memset (&trace, 0, sizeof(trace)); - SV_RecursiveHullCheck (cl.worldmodel->hulls, 0, 0, 1, start, end, &trace); - - VectorCopy (trace.endpos, impact); -} - -void Chase_Update (void) -{ - int i; - float dist; - vec3_t forward, up, right; - vec3_t dest, stop; - - - // if can't see player, reset - AngleVectors (cl.viewangles, forward, right, up); - - // calc exact destination - for (i=0 ; i<3 ; i++) - chase_dest[i] = r_refdef.vieworg[i] - - forward[i]*chase_back.value - - right[i]*chase_right.value; - chase_dest[2] = r_refdef.vieworg[2] + chase_up.value; - - // find the spot the player is looking at - VectorMA (r_refdef.vieworg, 4096, forward, dest); - TraceLine (r_refdef.vieworg, dest, stop); - - // calculate pitch to look at the same spot from camera - VectorSubtract (stop, r_refdef.vieworg, stop); - dist = DotProduct (stop, forward); - if (dist < 1) - dist = 1; - r_refdef.viewangles[PITCH] = -atan(stop[2] / dist) / M_PI * 180; - - // move towards destination - VectorCopy (chase_dest, r_refdef.vieworg); -} - +/*
+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.
+
+*/
+// chase.c -- chase camera code
+
+#include "quakedef.h"
+
+cvar_t chase_back = {"chase_back", "100"};
+cvar_t chase_up = {"chase_up", "16"};
+cvar_t chase_right = {"chase_right", "0"};
+cvar_t chase_active = {"chase_active", "0"};
+
+vec3_t chase_pos;
+vec3_t chase_angles;
+
+vec3_t chase_dest;
+vec3_t chase_dest_angles;
+
+
+void Chase_Init (void)
+{
+ Cvar_RegisterVariable (&chase_back);
+ Cvar_RegisterVariable (&chase_up);
+ Cvar_RegisterVariable (&chase_right);
+ Cvar_RegisterVariable (&chase_active);
+}
+
+void Chase_Reset (void)
+{
+ // for respawning and teleporting
+// start position 12 units behind head
+}
+
+void TraceLine (vec3_t start, vec3_t end, vec3_t impact)
+{
+ trace_t trace;
+
+ memset (&trace, 0, sizeof(trace));
+ SV_RecursiveHullCheck (cl.worldmodel->hulls, 0, 0, 1, start, end, &trace);
+
+ VectorCopy (trace.endpos, impact);
+}
+
+void Chase_Update (void)
+{
+ int i;
+ float dist;
+ vec3_t forward, up, right;
+ vec3_t dest, stop;
+
+
+ // if can't see player, reset
+ AngleVectors (cl.viewangles, forward, right, up);
+
+ // calc exact destination
+ for (i=0 ; i<3 ; i++)
+ chase_dest[i] = r_refdef.vieworg[i]
+ - forward[i]*chase_back.value
+ - right[i]*chase_right.value;
+ chase_dest[2] = r_refdef.vieworg[2] + chase_up.value;
+
+ // find the spot the player is looking at
+ VectorMA (r_refdef.vieworg, 4096, forward, dest);
+ TraceLine (r_refdef.vieworg, dest, stop);
+
+ // calculate pitch to look at the same spot from camera
+ VectorSubtract (stop, r_refdef.vieworg, stop);
+ dist = DotProduct (stop, forward);
+ if (dist < 1)
+ dist = 1;
+ r_refdef.viewangles[PITCH] = -atan(stop[2] / dist) / M_PI * 180;
+
+ // move towards destination
+ VectorCopy (chase_dest, r_refdef.vieworg);
+}
+
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