diff options
Diffstat (limited to 'source/baseq2/g_chase.c')
| -rw-r--r-- | source/baseq2/g_chase.c | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/source/baseq2/g_chase.c b/source/baseq2/g_chase.c new file mode 100644 index 0000000..159c1c5 --- /dev/null +++ b/source/baseq2/g_chase.c @@ -0,0 +1,175 @@ +/* +Copyright (C) 1997-2001 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. + +*/ +#include "g_local.h" + +void UpdateChaseCam(edict_t *ent) +{ + vec3_t o, ownerv, goal; + edict_t *targ; + vec3_t forward, right; + trace_t trace; + int i; + vec3_t oldgoal; + vec3_t angles; + + // is our chase target gone? + if (!ent->client->chase_target->inuse + || ent->client->chase_target->client->resp.spectator) { + edict_t *old = ent->client->chase_target; + ChaseNext(ent); + if (ent->client->chase_target == old) { + ent->client->chase_target = NULL; + ent->client->ps.pmove.pm_flags &= ~PMF_NO_PREDICTION; + return; + } + } + + targ = ent->client->chase_target; + + VectorCopy(targ->s.origin, ownerv); + VectorCopy(ent->s.origin, oldgoal); + + ownerv[2] += targ->viewheight; + + VectorCopy(targ->client->v_angle, angles); + if (angles[PITCH] > 56) + angles[PITCH] = 56; + AngleVectors (angles, forward, right, NULL); + VectorNormalize(forward); + VectorMA(ownerv, -30, forward, o); + + if (o[2] < targ->s.origin[2] + 20) + o[2] = targ->s.origin[2] + 20; + + // jump animation lifts + if (!targ->groundentity) + o[2] += 16; + + trace = gi.trace(ownerv, vec3_origin, vec3_origin, o, targ, MASK_SOLID); + + VectorCopy(trace.endpos, goal); + + VectorMA(goal, 2, forward, goal); + + // pad for floors and ceilings + VectorCopy(goal, o); + o[2] += 6; + trace = gi.trace(goal, vec3_origin, vec3_origin, o, targ, MASK_SOLID); + if (trace.fraction < 1) { + VectorCopy(trace.endpos, goal); + goal[2] -= 6; + } + + VectorCopy(goal, o); + o[2] -= 6; + trace = gi.trace(goal, vec3_origin, vec3_origin, o, targ, MASK_SOLID); + if (trace.fraction < 1) { + VectorCopy(trace.endpos, goal); + goal[2] += 6; + } + + if (targ->deadflag) + ent->client->ps.pmove.pm_type = PM_DEAD; + else + ent->client->ps.pmove.pm_type = PM_FREEZE; + + VectorCopy(goal, ent->s.origin); + for (i=0 ; i<3 ; i++) + ent->client->ps.pmove.delta_angles[i] = ANGLE2SHORT(targ->client->v_angle[i] - ent->client->resp.cmd_angles[i]); + + if (targ->deadflag) { + ent->client->ps.viewangles[ROLL] = 40; + ent->client->ps.viewangles[PITCH] = -15; + ent->client->ps.viewangles[YAW] = targ->client->killer_yaw; + } else { + VectorCopy(targ->client->v_angle, ent->client->ps.viewangles); + VectorCopy(targ->client->v_angle, ent->client->v_angle); + } + + ent->viewheight = 0; + ent->client->ps.pmove.pm_flags |= PMF_NO_PREDICTION; + gi.linkentity(ent); +} + +void ChaseNext(edict_t *ent) +{ + int i; + edict_t *e; + + if (!ent->client->chase_target) + return; + + i = ent->client->chase_target - g_edicts; + do { + i++; + if (i > maxclients->value) + i = 1; + e = g_edicts + i; + if (!e->inuse) + continue; + if (!e->client->resp.spectator) + break; + } while (e != ent->client->chase_target); + + ent->client->chase_target = e; + ent->client->update_chase = qtrue; +} + +void ChasePrev(edict_t *ent) +{ + int i; + edict_t *e; + + if (!ent->client->chase_target) + return; + + i = ent->client->chase_target - g_edicts; + do { + i--; + if (i < 1) + i = maxclients->value; + e = g_edicts + i; + if (!e->inuse) + continue; + if (!e->client->resp.spectator) + break; + } while (e != ent->client->chase_target); + + ent->client->chase_target = e; + ent->client->update_chase = qtrue; +} + +void GetChaseTarget(edict_t *ent) +{ + int i; + edict_t *other; + + for (i = 1; i <= maxclients->value; i++) { + other = g_edicts + i; + if (other->inuse && !other->client->resp.spectator) { + ent->client->chase_target = other; + ent->client->update_chase = qtrue; + UpdateChaseCam(ent); + return; + } + } + gi.centerprintf(ent, "No other players to chase."); +} + |