quake2-action/g_chase.c
2018-11-13 00:25:08 -08:00

264 lines
9.2 KiB
C

// This source file comes from the 3.20 source originally.
//
// Added through-the-eyes cam mode, as well as the ability to spin around the player
// when in regular chase cam mode, among other Axshun-related mods.
// -Fireblade
#include "g_local.h"
int ChaseTargetGone(edict_t *ent)
{
// is our chase target gone?
if (!ent->client->chase_target->inuse
|| (ent->client->chase_target->solid == SOLID_NOT &&
ent->client->chase_target->deadflag != DEAD_DEAD))
{
edict_t *old = ent->client->chase_target;
ChaseNext(ent);
if (ent->client->chase_target == old)
{
ent->client->chase_target = NULL;
ent->client->desired_fov = 90;
ent->client->ps.fov = 90;
ent->client->chase_mode = 0;
ent->client->ps.pmove.pm_flags &= ~PMF_NO_PREDICTION;
return 1;
}
}
return 0;
}
void UpdateChaseCam(edict_t *ent)
{
vec3_t o, ownerv, goal;
edict_t *targ;
vec3_t forward, right;
trace_t trace;
int i;
vec3_t angles;
if (ChaseTargetGone(ent))
return;
targ = ent->client->resp.last_chase_target = ent->client->chase_target;
if (ent->client->chase_mode == 1)
{
ent->client->desired_fov = 90;
ent->client->ps.fov = 90;
if (ent->client->resp.cmd_angles[PITCH] > 89)
ent->client->resp.cmd_angles[PITCH] = 89;
if (ent->client->resp.cmd_angles[PITCH] < -89)
ent->client->resp.cmd_angles[PITCH] = -89;
VectorCopy(targ->s.origin, ownerv);
ownerv[2] += targ->viewheight;
VectorCopy(ent->client->ps.viewangles, angles);
AngleVectors (angles, forward, right, NULL);
VectorNormalize(forward);
VectorMA(ownerv, -150, forward, o);
// not sure if this should be left in... -FB
// if (o[2] < targ->s.origin[2] + 20)
// o[2] = targ->s.origin[2] + 20;
// jump animation lifts
if (!targ->groundentity)
o[2] += 16;
PRETRACE();
trace = gi.trace(ownerv, vec3_origin, vec3_origin, o, targ, MASK_SOLID);
POSTTRACE();
VectorCopy(trace.endpos, goal);
VectorMA(goal, 2, forward, goal);
// pad for floors and ceilings
VectorCopy(goal, o);
o[2] += 6;
PRETRACE();
trace = gi.trace(goal, vec3_origin, vec3_origin, o, targ, MASK_SOLID);
POSTTRACE();
if (trace.fraction < 1) {
VectorCopy(trace.endpos, goal);
goal[2] -= 6;
}
VectorCopy(goal, o);
o[2] -= 6;
PRETRACE();
trace = gi.trace(goal, vec3_origin, vec3_origin, o, targ, MASK_SOLID);
POSTTRACE();
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(ent->client->v_angle[i] - ent->client->resp.cmd_angles[i]);
VectorCopy(ent->client->resp.cmd_angles, ent->client->ps.viewangles);
}
else // chase_mode == 2
{
VectorCopy(targ->s.origin, ownerv);
VectorCopy(targ->client->v_angle, angles);
AngleVectors (angles, forward, right, NULL);
VectorNormalize(forward);
VectorMA(ownerv, 16, forward, o);
o[2] += targ->viewheight;
VectorCopy(o, ent->s.origin);
ent->client->ps.fov = targ->client->ps.fov;
ent->client->desired_fov = targ->client->ps.fov;
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
{
VectorAdd(targ->client->v_angle,
targ->client->ps.kick_angles,
angles);
VectorCopy(angles, ent->client->ps.viewangles);
VectorCopy(angles, 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;
//Black Cross - Begin
if (teamplay->value && limchasecam->value &&
ent->client->resp.team != NOTEAM &&
ent->client->resp.team != e->client->resp.team)
continue;
//Black Cross - End
if (e->solid != SOLID_NOT || e->deadflag == DEAD_DEAD)
break;
} while (e != ent->client->chase_target);
ent->client->chase_target = e;
}
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;
//Black Cross - Begin
if (teamplay->value && limchasecam->value &&
ent->client->resp.team != NOTEAM &&
ent->client->resp.team != e->client->resp.team)
continue;
//Black Cross - End
if (e->solid != SOLID_NOT || e->deadflag == DEAD_DEAD)
break;
} while (e != ent->client->chase_target);
ent->client->chase_target = e;
}
void GetChaseTarget(edict_t *ent)
{
int i, found, searched;
edict_t *e, *start_target;
start_target = ent->client->resp.last_chase_target;
if (start_target == NULL)
{
start_target = g_edicts + 1;
}
else
{
if (start_target < (g_edicts + 1) ||
start_target > (g_edicts + game.maxclients))
{
gi.dprintf("Warning: start_target ended up out of range\n");
}
}
i = (start_target - g_edicts) + 1;
found = searched = 0;
do
{
searched++;
i--;
if (i < 1)
i = game.maxclients;
e = g_edicts + i;
if (!e->inuse)
continue;
//Black Cross - Begin
if (teamplay->value && limchasecam->value &&
ent->client->resp.team != NOTEAM &&
ent->client->resp.team != e->client->resp.team)
continue;
//Black Cross - End
if (e->solid != SOLID_NOT || e->deadflag == DEAD_DEAD)
{
found = 1;
break;
}
} while ((e != (start_target + 1)) && searched < 100);
if (searched >= 100)
{
gi.dprintf("Warning: prevented loop in GetChaseTarget\n");
}
if (found)
{
ent->client->chase_target = e;
}
}