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fteqw/engine/client/cl_cam.c

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/*
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 included (GNU.txt) 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.
*/
/* ZOID
*
* Player camera tracking in Spectator mode
*
* This takes over player controls for spectator automatic camera.
* Player moves as a spectator, but the camera tracks and enemy player
*/
#include "quakedef.h"
#include "winquake.h"
#define PM_SPECTATORMAXSPEED 500
#define PM_STOPSPEED 100
#define PM_MAXSPEED 320
#define BUTTON_JUMP 2
#define BUTTON_ATTACK 1
#define MAX_ANGLE_TURN 10
char cl_spectatorgroup[] = "Spectator Tracking";
enum
{
TM_USER, //user hit jump and changed pov explicitly
TM_HIGHTRACK, //tracking the player with the highest frags
TM_KILLER, //switch to the previous person's killer.
TM_MODHINTS, //using the mod's //at hints
TM_STATS //parsing mvd stats and making our own choices
} autotrackmode;
char *autotrack_statsrule;
static void QDECL CL_AutoTrackChanged(cvar_t *v, char *oldval)
{
Cam_AutoTrack_Update(v->string);
}
// track high fragger
cvar_t cl_autotrack_team = CVARD("cl_autotrack_team", "", "Specifies a team name that should be auto-tracked (players on other teams will not be candidates for autotracking). Accepts * and ? wildcards for awkward chars.");
cvar_t cl_autotrack = CVARCD("cl_autotrack", "auto", CL_AutoTrackChanged, "Specifies the default tracking mode at the start of the map. Use the 'autotrack' command to reset/apply an auto-tracking mode without changing the default.\nValid values are: high, ^hkiller^h, mod, user. Other values are treated as weighting scripts for mvd playback, where available.");
cvar_t cl_hightrack = CVARD("cl_hightrack", "0", "Obsolete. If you want hightrack, use '[cl_]autotrack high' instead.");
//cvar_t cl_camera_maxpitch = {"cl_camera_maxpitch", "10" };
//cvar_t cl_camera_maxyaw = {"cl_camera_maxyaw", "30" };
cvar_t cl_chasecam = CVAR("cl_chasecam", "1");
cvar_t cl_selfcam = CVAR("cl_selfcam", "1");
void Cam_AutoTrack_Update(const char *mode)
{
if (!mode)
mode = cl_autotrack.string;
Z_Free(autotrack_statsrule);
autotrack_statsrule = NULL;
if (!*mode || !Q_strcasecmp(mode, "auto"))
{
if (cls.demoplayback == DPB_MVD || cls.demoplayback == DPB_EZTV)
{
autotrackmode = TM_STATS;
autotrack_statsrule = Z_StrDup(""); //default
}
else if (cl_hightrack.ival)
autotrackmode = TM_HIGHTRACK;
else
autotrackmode = TM_MODHINTS;
}
else if (!Q_strcasecmp(mode, "high"))
autotrackmode = TM_HIGHTRACK;
else if (!Q_strcasecmp(mode, "killer"))
autotrackmode = TM_KILLER;
else if (!Q_strcasecmp(mode, "mod"))
autotrackmode = TM_MODHINTS;
else if (!Q_strcasecmp(mode, "user") || !Q_strcasecmp(mode, "off"))
autotrackmode = TM_USER;
else if (!Q_strcasecmp(mode, "stats"))
{
autotrackmode = TM_STATS;
autotrack_statsrule = NULL;
}
else
{
autotrackmode = TM_STATS;
autotrack_statsrule = Z_StrDup(mode);
}
}
static void Cam_AutoTrack_f(void)
{
if (*Cmd_Argv(1))
Cam_AutoTrack_Update(Cmd_Argv(1));
else
Cam_AutoTrack_Update(NULL);
}
static float CL_TrackScoreProp(player_info_t *pl, char rule, float *weights)
{
#ifdef QUAKESTATS
float r;
#endif
switch(rule)
{
case '.': //currently being tracked. combine with currently alive or something
{
int i;
for (i = 0; i < cl.splitclients; i++)
{
//not valid if an earlier view is tracking it.
if (Cam_TrackNum(&cl.playerview[i]) == pl-cl.players)
return 1;
}
return 0;
}
#ifdef QUAKESTATS
case 'a': //armour value
return pl->statsf[STAT_ARMOR];
case 'h':
return pl->statsf[STAT_HEALTH];
case 'A': //armour type
if (pl->stats[STAT_ITEMS] & IT_ARMOR3) r = weights[10];
else if (pl->stats[STAT_ITEMS] & IT_ARMOR2) r = weights[9];
else if (pl->stats[STAT_ITEMS] & IT_ARMOR1) r = weights[8];
else r = 0;
return r;
case 'W': //best weapon
r = 0;
if (r < weights[0] && (pl->stats[STAT_ITEMS] & IT_AXE)) r = weights[0];
if (r < weights[1] && (pl->stats[STAT_ITEMS] & IT_SHOTGUN)) r = weights[1];
if (r < weights[2] && (pl->stats[STAT_ITEMS] & IT_SUPER_SHOTGUN)) r = weights[2];
if (r < weights[3] && (pl->stats[STAT_ITEMS] & IT_NAILGUN)) r = weights[3];
if (r < weights[4] && (pl->stats[STAT_ITEMS] & IT_SUPER_NAILGUN)) r = weights[4];
if (r < weights[5] && (pl->stats[STAT_ITEMS] & IT_GRENADE_LAUNCHER)) r = weights[5];
if (r < weights[6] && (pl->stats[STAT_ITEMS] & IT_ROCKET_LAUNCHER)) r = weights[6];
if (r < weights[7] && (pl->stats[STAT_ITEMS] & IT_LIGHTNING)) r = weights[7];
return r;
case 'p': //powerups held
r = 0;
r += (pl->stats[STAT_ITEMS] & IT_INVISIBILITY)?weights[11]:0;
r += (pl->stats[STAT_ITEMS] & IT_QUAD)?weights[12]:0;
r += (pl->stats[STAT_ITEMS] & IT_INVULNERABILITY)?weights[13]:0;
return r;
#endif
case 'f': //frags
return pl->frags;
// case 'F': //team frags
// return 0;
#ifdef QUAKEHUD
case 'g': //deaths
return Stats_GetDeaths(pl - cl.players);
#endif
case 'u': //userid
return pl - cl.players;
case 'c': //'current run time'
case 'C': //'current run frags'
case 'd': //'current run teamfrags'
case 'I': //ssg grabs
case 'j': //ng grabs
case 'J': //sng grabs
case 'k': //gl grabs
case 'K': //gl lost
case 'l': //rl grabs
case 'L': //rl lost
case 'm': //lg grabs
case 'M': //lg lost
case 'n': //mh grabs
case 'N': //ga grabs
case 'o': //ya grabs
case 'O': //ra grabs
case 'v': //average run time
case 'V': //average run frags
case 'w': //average run teamfrags
case 'x': //ring grabs
case 'X': //ring losts
case 'y': //quad grabs
case 'Y': //quad losts
case 'z': //pent grabs
default:
return 0;
}
}
#define PRI_TOP 3
#define PRI_LOGIC 3
#define PRI_ADD 2
#define PRI_MUL 1
#define PRI_VAL 0
static float CL_TrackScore(player_info_t *pl, char **rule, float *weights, int pri)
{
float l, r;
char *s = *rule;
while (*s == ' ' || *s == '\t')
s++;
if (!pri)
{
if (*s == '!')
{
s++;
l = !CL_TrackScore(pl, &s, weights, pri);
}
if (*s == '(')
{
l = CL_TrackScore(pl, &s, weights, PRI_TOP);
while (*s == ' ' || *s == '\t')
s++;
if (*s == ')')
s++;
}
else if (*s == '%')
{
l = CL_TrackScoreProp(pl, *++s, weights);
s++;
}
else if (*s == '#')
{
int i = strtoul(s+1, &s, 0);
if (i >= 0 && i < MAX_CL_STATS)
l = pl->statsf[i];
else
l = 0;
}
else
l = strtod(s, &s);
while (*s == ' ' || *s == '\t')
s++;
}
else
l = CL_TrackScore(pl, &s, weights, pri-1);
for (;;)
{
if (pri == PRI_MUL)
{
if (*s == '*')
{
s++;
r = CL_TrackScore(pl, &s, weights, pri-1);
l *= r;
continue;
}
else if (*s == '/')
{
s++;
r = CL_TrackScore(pl, &s, weights, pri-1);
l /= r;
continue;
}
}
else if (pri == PRI_ADD)
{
if (*s == '+')
{
s++;
r = CL_TrackScore(pl, &s, weights, pri-1);
l += r;
continue;
}
else if (*s == '-')
{
s++;
r = CL_TrackScore(pl, &s, weights, pri-1);
l -= r;
continue;
}
}
else if (pri == PRI_LOGIC)
{
if (*s == '|' && s[1] == '|')
{
s+=2;
r = CL_TrackScore(pl, &s, weights, pri-1);
l = l||r;
continue;
}
else if (*s == '&' && s[1] == '&')
{
s+=2;
r = CL_TrackScore(pl, &s, weights, pri-1);
l = l&&r;
continue;
}
else if (*s == '&')
{
s++;
r = CL_TrackScore(pl, &s, weights, pri-1);
l = (int)l&(int)r;
continue;
}
else if (*s == '|')
{
s++;
r = CL_TrackScore(pl, &s, weights, pri-1);
l = (int)l|(int)r;
continue;
}
else if (*s == '>' && s[1] == '=')
{
s+=2;
r = CL_TrackScore(pl, &s, weights, pri-1);
l = l>=r;
continue;
}
else if (*s == '<' && s[1] == '=')
{
s+=2;
r = CL_TrackScore(pl, &s, weights, pri-1);
l = l<=r;
continue;
}
else if (*s == '>')
{
s+=1;
r = CL_TrackScore(pl, &s, weights, pri-1);
l = l>r;
continue;
}
else if (*s == '<')
{
s+=1;
r = CL_TrackScore(pl, &s, weights, pri-1);
l = l>r;
continue;
}
else if (*s == '!' && s[1] == '=')
{
s+=2;
r = CL_TrackScore(pl, &s, weights, pri-1);
l = l!=r;
continue;
}
else if (*s == '=' && s[1] == '=')
{
s+=2;
r = CL_TrackScore(pl, &s, weights, pri-1);
l = l!=r;
continue;
}
}
break;
}
*rule = s;
return l;
}
static qboolean CL_MayAutoTrack(int seat, int player)
{
if (player < 0)
return false;
if (!cl.players[player].userid || !cl.players[player].name[0] || cl.players[player].spectator)
return false;
if (*cl_autotrack_team.string && !wildcmp(cl_autotrack_team.string, cl.players[player].team))
return false;
for (seat--; seat >= 0; seat--)
{
//not valid if an earlier view is tracking it.
if (Cam_TrackNum(&cl.playerview[seat]) == player)
return false;
}
return true;
}
//returns the player with the highest frags
static int CL_FindHighTrack(int seat, char *rule)
{
int j = -1;
int i;
float max, score;
player_info_t *s;
float weights[14];
char *p;
qboolean instant;
instant = (rule && *rule == '!');
if (instant)
rule++;
if (rule && *rule == '[')
{
rule++;
weights[0] = strtod(rule, &rule); //axe
weights[1] = strtod(rule, &rule); //shot
weights[2] = strtod(rule, &rule); //sshot
weights[3] = strtod(rule, &rule); //nail
weights[4] = strtod(rule, &rule); //snail
weights[5] = strtod(rule, &rule); //gren
weights[6] = strtod(rule, &rule); //rock
weights[7] = strtod(rule, &rule); //lg
weights[8] = strtod(rule, &rule); //ga
weights[9] = strtod(rule, &rule); //ya
weights[10] = strtod(rule, &rule); //ra
weights[11] = strtod(rule, &rule); //ring
weights[12] = strtod(rule, &rule); //quad
weights[13] = strtod(rule, &rule); //pent
if (*rule == ']')
rule++;
}
else
{
weights[0] = 1; //axe
weights[1] = 2; //shot
weights[2] = 3; //sshot
weights[3] = 2; //nail
weights[4] = 3; //snail
weights[5] = 3; //gren
weights[6] = 8; //rock
weights[7] = 8; //lg
weights[8] = 1; //ga
weights[9] = 2; //ya
weights[10] = 3; //ra
weights[11] = 500; //ring
weights[12] = 900; //quad
weights[13] = 1000; //pent
}
if (!rule || !*rule)
rule = "%a * %A + 50 * %W + %p + %f";
//set a default to the currently tracked player, to reuse the current player we're tracking if someone lower equalises.
j = cl.playerview[seat].cam_spec_track;
if (CL_MayAutoTrack(seat, j))
{
p = rule;
max = CL_TrackScore(&cl.players[j], &p, weights, PRI_TOP);
}
else
{
max = -9999;
j = -1;
}
for (i = 0; i < cl.allocated_client_slots; i++)
{
s = &cl.players[i];
if (j == i) //this was our default.
continue;
if (!CL_MayAutoTrack(seat, i))
continue;
if (cl.teamplay && seat && cl.playerview[0].cam_spec_track >= 0 && strcmp(cl.players[cl.playerview[0].cam_spec_track].team, s->team))
continue; //when using multiview, keep tracking the team
p = rule;
score = CL_TrackScore(s, &p, weights, PRI_TOP);
if (score > max)
{
max = score;
j = i;
}
}
if (j == -1 && cl.teamplay && seat)
{
//do it again, but with the teamplay check inverted
//fixme: should probably reduce seat count instead, at least in demos.
for (i = 0; i < cl.allocated_client_slots; i++)
{
s = &cl.players[i];
if (j == i) //this was our default.
continue;
if (!CL_MayAutoTrack(seat, i))
continue;
if (!(cl.teamplay && seat && cl.playerview[0].cam_spec_track >= 0 && strcmp(cl.players[cl.playerview[0].cam_spec_track].team, s->team)))
continue; //when using multiview, keep tracking the team
p = rule;
score = CL_TrackScore(s, &p, weights, PRI_TOP);
if (score > max)
{
max = score;
j = i;
}
}
}
if (j != -1 && CL_MayAutoTrack(seat, cl.playerview[seat].cam_spec_track) && !instant)
{
i = cl.playerview[seat].cam_spec_track;
//extra hacks to prevent 'random' switching mid-game
#ifdef QUAKESTATS
if ((cl.players[j].stats[STAT_ITEMS] ^ cl.players[i].stats[STAT_ITEMS]) & (IT_INVULNERABILITY|IT_QUAD))
; //don't block if the players have different powerups
else if ((cl.players[j].stats[STAT_ITEMS] & (IT_ROCKET_LAUNCHER|IT_LIGHTNING)) && !(cl.players[i].stats[STAT_ITEMS] & (IT_ROCKET_LAUNCHER|IT_LIGHTNING)))
; //don't block the switch if the new player has a decent weapon, and the guy we're tracking does not.
else if ((cl.players[j].stats[STAT_ITEMS] & (IT_ROCKET_LAUNCHER|IT_INVULNERABILITY))==(IT_ROCKET_LAUNCHER|IT_INVULNERABILITY) && (cl.players[i].stats[STAT_ITEMS] & (IT_ROCKET_LAUNCHER|IT_INVULNERABILITY)) != (IT_ROCKET_LAUNCHER|IT_INVULNERABILITY))
; //don't block if we're switching to someone with pent+rl from someone that does not.
else
#endif
return cl.playerview[seat].cam_spec_track;
}
return j;
}
static int CL_AutoTrack_Choose(int seat)
{
int best = -1;
if (autotrackmode == TM_KILLER)
best = cl.autotrack_killer;
if (autotrackmode == TM_MODHINTS && seat == 0 && cl.autotrack_hint >= 0)
best = cl.autotrack_hint;
if (autotrackmode == TM_STATS && (cls.demoplayback == DPB_MVD || cls.demoplayback == DPB_EZTV))
best = CL_FindHighTrack(seat, autotrack_statsrule);
if (autotrackmode == TM_HIGHTRACK || best == -1)
best = CL_FindHighTrack(seat, "%f");
//TM_USER should generally avoid autotracking
cl.autotrack_killer = best; //killer should continue to track whatever is currently tracked until its changed by frag message parsing
return best;
}
static int Cam_FindSortedPlayer(int number);
int selfcam=1;
static float vlen(vec3_t v)
{
return sqrt(v[0]*v[0] + v[1]*v[1] + v[2]*v[2]);
}
// returns true if weapon model should be drawn in camera mode
qboolean Cam_DrawViewModel(playerview_t *pv)
{
if (pv->spectator)
{
if (pv->cam_state == CAM_EYECAM && cl_chasecam.ival)
return true;
return false;
}
else
{
if (selfcam == 1 && !r_refdef.externalview)
return true;
return false;
}
}
int Cam_TrackNum(playerview_t *pv)
{
if (pv->spectator && CAM_ISLOCKED(pv))
return pv->cam_spec_track;
return -1;
}
void Cam_Unlock(playerview_t *pv)
{
if (pv->cam_state)
{
CL_SendClientCommand(true, "ptrack");
pv->cam_state = CAM_FREECAM;
pv->viewentity = (cls.demoplayback)?0:(pv->playernum+1); //free floating
SCR_CenterPrint(pv-cl.playerview, NULL, true);
Sbar_Changed();
Skin_FlushPlayers();
}
}
void Cam_Lock(playerview_t *pv, int playernum)
{
pv->cam_lastviewtime = -1000; //allow the wallcam to re-snap as soon as it can
CL_SendClientCommand(true, "ptrack %i", playernum);
pv->cam_spec_track = playernum;
pv->cam_state = CAM_PENDING;
pv->viewentity = (cls.demoplayback)?0:(pv->playernum+1); //free floating until actually locked
SCR_CenterPrint(pv-cl.playerview, NULL, true);
Skin_FlushPlayers();
if (cls.demoplayback == DPB_MVD || cls.demoplayback == DPB_EZTV)
{
memcpy(&pv->stats, cl.players[playernum].stats, sizeof(pv->stats));
// pv->cam_state = CAM_;
// pv->viewentity = playernum+1;
/*
pv->cam_state = cl_chasecam.ival?CAM_EYECAM:CAM_PENDING; //instantly lock if the player is valid.
pv->viewentity = playernum+1;
*/
#ifdef QUAKESTATS
if (cls.z_ext & Z_EXT_VIEWHEIGHT)
pv->viewheight = cl.players[playernum].statsf[STAT_VIEWHEIGHT];
#endif
}
Sbar_Changed();
#ifdef QWSKINS
{
int i;
for (i = 0; i < cl.allocated_client_slots; i++)
CL_NewTranslation(i);
}
#endif
}
trace_t Cam_DoTrace(vec3_t vec1, vec3_t vec2)
{
#if 0
memset(&pmove, 0, sizeof(pmove));
pmove.numphysent = 1;
memset(&pmove.physents[0], 0, sizeof(physent_t));
VectorClear (pmove.physents[0].origin);
pmove.physents[0].model = cl.worldmodel;
#endif
VectorCopy (vec1, pmove.origin);
return PM_PlayerTrace(pmove.origin, vec2, MASK_PLAYERSOLID);
}
// Returns distance or 9999 if invalid for some reason
static float Cam_TryFlyby(vec3_t selforigin, vec3_t playerorigin, vec3_t vec, qboolean checkvis)
{
vec3_t v;
trace_t trace;
float len;
pmove.player_mins[0] = pmove.player_mins[1] = -16;
pmove.player_mins[2] = -24;
pmove.player_maxs[0] = pmove.player_maxs[1] = 16;
pmove.player_maxs[2] = 32;
VectorAngles(vec, NULL, v, true);
VectorCopy (v, pmove.angles);
VectorNormalize(vec);
VectorMA(playerorigin, 800, vec, v);
// v is endpos
// fake a player move
trace = Cam_DoTrace(playerorigin, v);
if (/*trace.inopen ||*/ trace.inwater)
return 9999;
VectorCopy(trace.endpos, vec);
VectorSubtract(trace.endpos, playerorigin, v);
len = sqrt(v[0]*v[0] + v[1]*v[1] + v[2]*v[2]);
if (len < 32 || len > 800)
return 9999;
if (checkvis)
{
VectorSubtract(trace.endpos, selforigin, v);
len = sqrt(v[0]*v[0] + v[1]*v[1] + v[2]*v[2]);
trace = Cam_DoTrace(selforigin, vec);
if (trace.fraction != 1 || trace.inwater)
return 9999;
}
return len;
}
// Is player visible?
static qboolean Cam_IsVisible(vec3_t playerorigin, vec3_t vec)
{
trace_t trace;
vec3_t v;
float d;
VectorClear(pmove.player_mins);
VectorClear(pmove.player_maxs);
trace = Cam_DoTrace(playerorigin, vec);
if (trace.fraction != 1 || /*trace.inopen ||*/ trace.inwater)
return false;
// check distance, don't let the player get too far away or too close
VectorSubtract(playerorigin, vec, v);
d = vlen(v);
if (d < 16)
return false;
return true;
}
static qboolean InitFlyby(playerview_t *pv, vec3_t selforigin, vec3_t playerorigin, vec3_t playerviewangles, int checkvis)
{
vec3_t dirs[] = {
{1,1,1},
{1,-1,1},
{1,1,0},
{1,-1,1},
{1,0,1},
{1,0,-1},
{-1,1,1},
{-1,-1,1},
{-1,0,0},
{1,0,0},
{0,0,-1},
{0,0,1}
};
int dir;
float f, max;
vec3_t vec, vec2;
vec3_t forward, right, up;
VectorCopy(playerviewangles, vec);
vec[0] = 0;
AngleVectors (vec, forward, right, up);
// for (i = 0; i < 3; i++)
// forward[i] *= 3;
max = 1000;
for (dir = 0; dir < sizeof(dirs)/sizeof(dirs[0]); dir++)
{
VectorScale(forward, dirs[dir][0], vec2);
VectorMA(vec2, dirs[dir][1], right, vec2);
VectorMA(vec2, dirs[dir][2], up, vec2);
if ((f = Cam_TryFlyby(selforigin, playerorigin, vec2, checkvis)) < max)
{
max = f;
VectorCopy(vec2, vec);
}
}
// ack, can't find him
if (max >= 1000)
{
// Cam_Unlock();
return false;
}
pv->cam_state = CAM_WALLCAM;
pv->viewentity = pv->playernum+1;//pv->cam_spec_track+1;
VectorCopy(vec, pv->cam_desired_position);
return true;
}
static void Cam_CheckHighTarget(playerview_t *pv)
{
int j;
playerview_t *spv;
j = CL_AutoTrack_Choose(pv - cl.playerview);
if (j >= 0)
{
if (pv->cam_spec_track != j || pv->cam_state == CAM_FREECAM)
{
#ifdef QUAKEHUD
if (cl.teamplay)
Stats_Message("Now tracking:\n%s\n%s", cl.players[j].name, cl.players[j].team);
else
Stats_Message("Now tracking:\n%s", cl.players[j].name);
#endif
Cam_Lock(pv, j);
//un-lock any higher seats watching our new target. this keeps things ordered.
for (spv = pv+1; spv >= cl.playerview && spv < &cl.playerview[cl.splitclients]; spv++)
{
if (Cam_TrackNum(spv) == j)
spv->cam_state = CAM_FREECAM;
}
}
}
else
Cam_Unlock(pv);
}
void Cam_SelfTrack(playerview_t *pv)
{
vec3_t vec;
if (!cl.worldmodel || cl.worldmodel->loadstate != MLS_LOADED)
return;
if (selfcam == 1)
{ //view-from-eyes
}
else
{
if (selfcam == 2)
{ //fixme:
vec3_t forward, right, up;
trace_t tr;
AngleVectors(r_refdef.viewangles, forward, right, up);
VectorMA(pv->simorg, -128, forward, pv->cam_desired_position);
tr = Cam_DoTrace(pv->simorg, pv->cam_desired_position);
VectorCopy(tr.endpos, pv->cam_desired_position);
}
else
{ //view from a random wall
if (pv->cam_state != CAM_WALLCAM || !Cam_IsVisible(pv->simorg, pv->cam_desired_position))
{
if (pv->cam_state != CAM_WALLCAM || realtime - pv->cam_lastviewtime > 0.1)
{
if (!InitFlyby(pv, pv->cam_desired_position, pv->simorg, pv->simangles, true))
InitFlyby(pv, pv->cam_desired_position, pv->simorg, pv->simangles, false);
pv->cam_lastviewtime = realtime;
}
}
else
{
pv->cam_lastviewtime = realtime;
}
//tracking failed.
if (pv->cam_state != CAM_WALLCAM)
return;
}
// move there locally immediately
VectorCopy(pv->cam_desired_position, r_refdef.vieworg);
VectorSubtract(pv->simorg, pv->cam_desired_position, vec);
VectorAngles(vec, NULL, r_refdef.viewangles, false);
}
}
//player entity became visible, lock on to them (now that we know where they are etc)
void Cam_NowLocked(playerview_t *pv)
{
pv->cam_lastviewtime = realtime;
if (!cl_chasecam.ival)
{
if (pv->cam_state != CAM_WALLCAM || !Cam_IsVisible(pv->simorg, pv->cam_desired_position))
{
if (pv->cam_state != CAM_WALLCAM || realtime - pv->cam_lastviewtime > 0.1)
{
if (!InitFlyby(pv, pv->cam_desired_position, pv->simorg, pv->simangles, true))
InitFlyby(pv, pv->cam_desired_position, pv->simorg, pv->simangles, false);
}
}
}
}
// ZOID
//
// Take over the user controls and track a player.
// We find a nice position to watch the player and move there
void Cam_Track(playerview_t *pv, usercmd_t *cmd)
{
player_state_t *player, *self;
inframe_t *frame;
vec3_t vec;
float len;
if (!pv->spectator || !cl.worldmodel) //can happen when the server changes level
return;
if (autotrackmode != TM_USER && pv->cam_state == CAM_FREECAM)
Cam_CheckHighTarget(pv);
if (pv->cam_state == CAM_FREECAM || cls.state != ca_active || cl.worldmodel->loadstate != MLS_LOADED)
return;
if (CAM_ISLOCKED(pv) && (!cl.players[pv->cam_spec_track].name[0] || cl.players[pv->cam_spec_track].spectator))
{
pv->cam_state = CAM_FREECAM;
if (autotrackmode != TM_USER)
Cam_CheckHighTarget(pv);
else
Cam_Unlock(pv);
return;
}
frame = &cl.inframes[cl.validsequence & UPDATE_MASK];
player = frame->playerstate + pv->cam_spec_track;
if (!cmd)
{ //this is our fancy force-wallcam mode.
if (pv->cam_state != CAM_WALLCAM || !Cam_IsVisible(player->origin, pv->cam_desired_position))
{
if (!InitFlyby(pv, pv->cam_desired_position, player->origin, player->viewangles, true))
InitFlyby(pv, pv->cam_desired_position, player->origin, player->viewangles, false);
}
return;
}
self = frame->playerstate + pv->playernum;
if (!cl_chasecam.value && (pv->cam_state != CAM_WALLCAM || !Cam_IsVisible(player->origin, pv->cam_desired_position)))
{
if (pv->cam_state != CAM_WALLCAM || realtime - pv->cam_lastviewtime > 0.1)
{
if (!InitFlyby(pv, self->origin, player->origin, player->viewangles, true))
InitFlyby(pv, self->origin, player->origin, player->viewangles, false);
pv->cam_lastviewtime = realtime;
}
}
else if (cl_chasecam.value && pv->cam_state == CAM_WALLCAM)
pv->cam_state = CAM_PENDING;
else
{
pv->cam_lastviewtime = realtime;
}
//tracking failed.
if (pv->cam_state == CAM_FREECAM || pv->cam_state == CAM_PENDING)
return;
if (cl_chasecam.value)
{
float *neworg;
// float *newang;
if (pv->nolocalplayer)
neworg = cl.lerpents[pv->viewentity].origin;
else
neworg = player->origin;
pv->cam_lastviewtime = realtime;
// VectorCopy(newang, pv->viewangles);
if (memcmp(neworg, &self->origin, sizeof(vec3_t)) != 0)
{
if (!cls.demoplayback)
{
MSG_WriteByte (&cls.netchan.message, clc_tmove);
MSG_WriteCoord (&cls.netchan.message, neworg[0]);
MSG_WriteCoord (&cls.netchan.message, neworg[1]);
MSG_WriteCoord (&cls.netchan.message, neworg[2]);
}
// move there locally immediately
VectorCopy(neworg, self->origin);
}
self->weaponframe = player->weaponframe;
VectorCopy(player->viewangles, pv->viewangles);
return;
}
// Ok, move to our desired position and set our angles to view
// the player
VectorSubtract(pv->cam_desired_position, self->origin, vec);
len = vlen(vec);
cmd->forwardmove = cmd->sidemove = cmd->upmove = 0;
if (len > 16)
{ // close enough?
MSG_WriteByte (&cls.netchan.message, clc_tmove);
MSG_WriteCoord (&cls.netchan.message, pv->cam_desired_position[0]);
MSG_WriteCoord (&cls.netchan.message, pv->cam_desired_position[1]);
MSG_WriteCoord (&cls.netchan.message, pv->cam_desired_position[2]);
}
// move there locally immediately
VectorCopy(pv->cam_desired_position, self->origin);
// VectorSubtract(player->origin, pv->cam_desired_position, vec);
// VectorAngles(vec, NULL, pv->viewangles);
// pv->viewangles[0] = -pv->viewangles[0];
}
void Cam_SetModAutoTrack(int userid)
{ //this is a hint from the server about who to track
int slot;
cl.autotrack_hint = -1;
for (slot = 0; slot < cl.allocated_client_slots; slot++)
{
if (cl.players[slot].userid == userid)
{
cl.autotrack_hint = slot;
return;
}
}
Con_Printf("//at: invalid userid\n");
}
/*static void Cam_TrackCrosshairedPlayer(playerview_t *pv)
{
inframe_t *frame;
player_state_t *player;
int i;
float dot = 0.1, bestdot=0;
int best = -1;
vec3_t selforg;
vec3_t dir;
frame = &cl.inframes[cl.validsequence & UPDATE_MASK];
player = frame->playerstate + pv->playernum;
VectorCopy(player->origin, selforg);
for (i = 0; i < cl.allocated_client_slots; i++)
{
player = frame->playerstate + i;
VectorSubtract(player->origin, selforg, dir);
VectorNormalize(dir);
dot = DotProduct(vpn, dir);
if (dot > bestdot)
{
bestdot = dot;
best = i;
}
}
// Con_Printf("Track %i? %f\n", best, bestdot);
if (best > .707) //did we actually get someone?
{
Cam_Lock(pv, best);
}
}*/
void Cam_FinishMove(playerview_t *pv, usercmd_t *cmd)
{
int i;
player_info_t *s;
int end;
extern cvar_t cl_demospeed, cl_splitscreen;
if (cls.state != ca_active)
return;
if (!pv->spectator && (cls.demoplayback != DPB_MVD && cls.demoplayback != DPB_EZTV)) // only in spectator mode
return;
if (cls.demoplayback == DPB_MVD || cls.demoplayback == DPB_EZTV)
{
int nb;
nb = (cmd->sidemove<0)?4:0;
nb |= (cmd->sidemove>0)?8:0;
nb |= (cmd->forwardmove<0)?16:0;
nb |= (cmd->forwardmove>0)?32:0;
nb |= (cmd->upmove<0)?64:0;
nb |= (cmd->upmove>0)?128:0;
if (Cam_TrackNum(pv) >= 0)
{
if (nb & (nb ^ pv->cam_oldbuttons) & 4)
Cvar_SetValue(&cl_demospeed, max(cl_demospeed.value - 0.1, 0));
if (nb & (nb ^ pv->cam_oldbuttons) & 8)
Cvar_SetValue(&cl_demospeed, min(cl_demospeed.value + 0.1, 10));
if (nb & (nb ^ pv->cam_oldbuttons) & (4|8))
Con_Printf("playback speed: %g%%\n", cl_demospeed.value*100);
if (nb & (nb ^ pv->cam_oldbuttons) & 16)
Cbuf_AddText("demo_jump +10", RESTRICT_LOCAL);
if (nb & (nb ^ pv->cam_oldbuttons) & 32)
Cbuf_AddText("demo_jump -10", RESTRICT_LOCAL);
if (nb & (nb ^ pv->cam_oldbuttons) & (4|8))
Con_Printf("playback speed: %g%%\n", cl_demospeed.value*100);
if (nb & (nb ^ pv->cam_oldbuttons) & 64)
Cvar_SetValue(&cl_splitscreen, max(cl_splitscreen.ival - 1, 0));
if (nb & (nb ^ pv->cam_oldbuttons) & 128)
Cvar_SetValue(&cl_splitscreen, min(cl_splitscreen.ival + 1, MAX_SPLITS-1));
}
pv->cam_oldbuttons = (pv->cam_oldbuttons & 3) | (nb & ~3);
if (cmd->impulse)
{
int pl = cmd->impulse;
#if 1
do
{
Cam_Lock(pv, Cam_FindSortedPlayer(pl));
pv++;
pl++;
} while (pv >= &cl.playerview[0] && pv < &cl.playerview[cl.splitclients]);
#else
for (i = 0; ; i++)
{
if (i == MAX_CLIENTS)
{
if (pl == cmd->impulse)
break;
i = 0;
}
s = &cl.players[i];
if (s->name[0] && !s->spectator)
{
pl--;
if (!pl)
{
Cam_Lock(pv, i);
if (pv >= &cl.playerview[0] && pv < &cl.playerview[cl.splitclients])
{
pl = 1;
pv++;
}
else
break;
}
}
}
#endif
return;
}
}
if (cmd->buttons & BUTTON_ATTACK)
{
if (!(pv->cam_oldbuttons & BUTTON_ATTACK))
{
pv->cam_oldbuttons |= BUTTON_ATTACK;
if (pv->cam_state != CAM_FREECAM)
{
Cam_Unlock(pv);
VectorCopy(pv->viewangles, cmd->angles);
autotrackmode = TM_USER;
return;
}
}
else
return;
}
else
{
pv->cam_oldbuttons &= ~BUTTON_ATTACK;
if (pv->cam_state == CAM_FREECAM && autotrackmode == TM_USER)
{
// if ((cmd->buttons & BUTTON_JUMP) && !(pv->cam_oldbuttons & BUTTON_JUMP))
// Cam_TrackCrosshairedPlayer(pv);
pv->cam_oldbuttons = (pv->cam_oldbuttons&~BUTTON_JUMP) | (cmd->buttons & BUTTON_JUMP);
return;
}
}
if (autotrackmode != TM_USER)
{
if ((cmd->buttons & BUTTON_JUMP) && !(pv->cam_oldbuttons & BUTTON_JUMP))
autotrackmode = TM_USER;
else
{
Cam_CheckHighTarget(pv);
return;
}
}
if (pv->cam_state != CAM_FREECAM)
{
if ((cmd->buttons & BUTTON_JUMP) && (pv->cam_oldbuttons & BUTTON_JUMP))
return; // don't pogo stick
if (!(cmd->buttons & BUTTON_JUMP))
{
pv->cam_oldbuttons &= ~BUTTON_JUMP;
return;
}
pv->cam_oldbuttons |= BUTTON_JUMP; // don't jump again until released
}
// Con_Printf("Selecting track target...\n");
if (pv->cam_state != CAM_FREECAM)
end = (pv->cam_spec_track + 1) % MAX_CLIENTS;
else
end = pv->cam_spec_track;
end = max(0, end) % cl.allocated_client_slots;
i = end;
do
{
s = &cl.players[i];
//players with userid 0 are typically bots.
//trying to spectate such bots just does not work (we have no idea which entity slot the bot is actually using, so don't try to track them).
if (s->name[0] && !s->spectator && s->userid)
{
Cam_Lock(pv, i);
return;
}
i = (i + 1) % cl.allocated_client_slots;
} while (i != end);
// stay on same guy?
i = pv->cam_spec_track;
s = &cl.players[i];
if (s->name[0] && !s->spectator && s->userid)
{
Cam_Lock(pv, i);
return;
}
Con_Printf("No target found ...\n");
pv->cam_state = CAM_FREECAM;
}
void Cam_Reset(void)
{
unsigned int pnum;
for (pnum = 0; pnum < MAX_SPLITS; pnum++)
{
playerview_t *pv = &cl.playerview[pnum];
pv->cam_state = CAM_FREECAM;
pv->cam_spec_track = 0;
}
}
static int QDECL Cam_SortPlayers(const void *p1,const void *p2)
{
const player_info_t *a = *(player_info_t**)p1;
const player_info_t *b = *(player_info_t**)p2;
if (!*a->team)
return *b->team;
if (!*b->team)
return -*a->team;
// if (a->spectator || b->spectator)
// return a->spectator - b->spectator;
return Q_strcasecmp(a->team, b->team);
}
static int Cam_FindSortedPlayer(int number)
{
player_info_t *playerlist[MAX_CLIENTS], *s;
int i;
int slots;
number--;
for (slots = 0, i = 0; i < cl.allocated_client_slots; i++)
{
s = &cl.players[i];
if (s->name[0] && !s->spectator)
playerlist[slots++] = s;
}
if (!slots)
return 0;
// if (number > slot)
// return cl.allocated_client_slots; //error
qsort(playerlist, slots, sizeof(playerlist[0]), Cam_SortPlayers);
return playerlist[number % slots] - cl.players;
}
void Cam_TrackPlayer(int seat, char *cmdname, char *plrarg)
{
playerview_t *pv = &cl.playerview[seat];
int slot;
player_info_t *s;
char *e;
if (seat >= MAX_SPLITS)
return;
if (cls.state <= ca_connected)
{
Con_Printf("Not connected.\n");
return;
}
if (!pv->spectator)
{
Con_Printf("Not spectating.\n");
return;
}
if (!Q_strcasecmp(plrarg, "off"))
{
Cam_Unlock(pv);
return;
}
if (*plrarg == '#' && (slot=strtoul(plrarg+1, &e, 10)) && !*e)
slot = Cam_FindSortedPlayer(slot);
else
{
// search nicks first
for (slot = 0; slot < cl.allocated_client_slots; slot++)
{
s = &cl.players[slot];
if (s->name[0] && !s->spectator && !Q_strcasecmp(s->name, plrarg))
break;
}
}
if (slot == cl.allocated_client_slots)
{
// didn't find nick, so search userids
int userid;
char *c;
// check if given arg is in fact a number
c = plrarg;
while (*c)
{
if (*c < '0' || *c > '9')
{
Con_Printf("Couldn't find nick %s\n", plrarg);
return;
}
c++;
}
userid = atoi(plrarg);
for (slot = 0; slot < cl.allocated_client_slots; slot++)
{
s = &cl.players[slot];
if (s->name[0] && !s->spectator && s->userid == userid)
break;
}
if (slot == cl.allocated_client_slots)
{
Con_Printf("Couldn't find userid %i\n", userid);
return;
}
}
Cam_Lock(pv, slot);
}
void Cam_Track_f(void)
{
int i, j;
if (Cmd_Argc() < 2)
{
Con_Printf("Usage: %s userid|nick|off\n", Cmd_Argv(0));
return;
}
i = 1;
j = Cmd_Argc() - 1;
if (j > MAX_SPLITS)
j = MAX_SPLITS;
while (j > 0)
{
Cam_TrackPlayer(i - 1, Cmd_Argv(0), Cmd_Argv(i));
i++;
j--;
}
}
void Cam_Track1_f(void)
{
if (Cmd_Argc() < 2)
{
Con_Printf("Usage: %s userid|nick|off\n", Cmd_Argv(0));
return;
}
Cam_TrackPlayer(0, Cmd_Argv(0), Cmd_Argv(1));
}
void Cam_Track2_f(void)
{
if (Cmd_Argc() < 2)
{
Con_Printf("Usage: %s userid|nick|off\n", Cmd_Argv(0));
return;
}
Cam_TrackPlayer(1, Cmd_Argv(0), Cmd_Argv(1));
}
void Cam_Track3_f(void)
{
if (Cmd_Argc() < 2)
{
Con_Printf("Usage: %s userid|nick|off\n", Cmd_Argv(0));
return;
}
Cam_TrackPlayer(2, Cmd_Argv(0), Cmd_Argv(1));
}
void Cam_Track4_f(void)
{
if (Cmd_Argc() < 2)
{
Con_Printf("Usage: %s userid|nick|off\n", Cmd_Argv(0));
return;
}
Cam_TrackPlayer(3, Cmd_Argv(0), Cmd_Argv(1));
}
void CL_InitCam(void)
{
Cvar_Register (&cl_autotrack, cl_spectatorgroup);
Cvar_Register (&cl_autotrack_team, cl_spectatorgroup);
Cvar_Register (&cl_hightrack, cl_spectatorgroup);
Cvar_Register (&cl_chasecam, cl_spectatorgroup);
// Cvar_Register (&cl_camera_maxpitch, cl_spectatorgroup);
// Cvar_Register (&cl_camera_maxyaw, cl_spectatorgroup);
// Cvar_Register (&cl_selfcam, cl_spectatorgroup);
Cmd_AddCommand("autotrack", Cam_AutoTrack_f); //reset it, if they jumped or something.
Cmd_AddCommand("track", Cam_Track_f);
Cmd_AddCommand("track1", Cam_Track1_f);
Cmd_AddCommand("track2", Cam_Track2_f);
Cmd_AddCommand("track3", Cam_Track3_f);
Cmd_AddCommand("track4", Cam_Track4_f);
}
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