import the Slacker's QVM code base

1 files changed, 2039 insertions, 0 deletions

diff --git a/src/game/g_client.c b/src/game/g_client.c
new file mode 100644
index 0000000..3d274ee
--- /dev/null
+++ b/src/game/g_client.c
@@ -0,0 +1,2039 @@
+/*
+===========================================================================
+Copyright (C) 1999-2005 Id Software, Inc.
+Copyright (C) 2000-2006 Tim Angus
+
+This file is part of Tremulous.
+
+Tremulous 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.
+
+Tremulous 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 Tremulous; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+===========================================================================
+*/
+
+#include "g_local.h"
+
+// g_client.c -- client functions that don't happen every frame
+
+static vec3_t playerMins = {-15, -15, -24};
+static vec3_t playerMaxs = {15, 15, 32};
+
+/*QUAKED info_player_deathmatch (1 0 1) (-16 -16 -24) (16 16 32) initial
+potential spawning position for deathmatch games.
+The first time a player enters the game, they will be at an 'initial' spot.
+Targets will be fired when someone spawns in on them.
+"nobots" will prevent bots from using this spot.
+"nohumans" will prevent non-bots from using this spot.
+*/
+void SP_info_player_deathmatch( gentity_t *ent )
+{
+  int   i;
+
+  G_SpawnInt( "nobots", "0", &i);
+
+  if( i )
+    ent->flags |= FL_NO_BOTS;
+
+  G_SpawnInt( "nohumans", "0", &i );
+  if( i )
+    ent->flags |= FL_NO_HUMANS;
+}
+
+/*QUAKED info_player_start (1 0 0) (-16 -16 -24) (16 16 32)
+equivelant to info_player_deathmatch
+*/
+void SP_info_player_start( gentity_t *ent )
+{
+  ent->classname = "info_player_deathmatch";
+  SP_info_player_deathmatch( ent );
+}
+
+/*QUAKED info_player_intermission (1 0 1) (-16 -16 -24) (16 16 32)
+The intermission will be viewed from this point.  Target an info_notnull for the view direction.
+*/
+void SP_info_player_intermission( gentity_t *ent )
+{
+}
+
+/*QUAKED info_alien_intermission (1 0 1) (-16 -16 -24) (16 16 32)
+The intermission will be viewed from this point.  Target an info_notnull for the view direction.
+*/
+void SP_info_alien_intermission( gentity_t *ent )
+{
+}
+
+/*QUAKED info_human_intermission (1 0 1) (-16 -16 -24) (16 16 32)
+The intermission will be viewed from this point.  Target an info_notnull for the view direction.
+*/
+void SP_info_human_intermission( gentity_t *ent )
+{
+}
+
+/*
+===============
+G_OverflowCredits
+===============
+*/
+void G_OverflowCredits( gclient_t *doner, int credits )
+{
+  int i;
+  int maxCredits;
+  int clientNum;
+
+  if( !g_creditOverflow.integer )
+    return;
+
+  if( doner->ps.stats[ STAT_PTEAM ] == PTE_ALIENS )
+  {
+    maxCredits = ALIEN_MAX_KILLS;
+    clientNum = level.lastCreditedAlien;
+  }
+  else if( doner->ps.stats[ STAT_PTEAM ] == PTE_HUMANS )
+  {
+    maxCredits = HUMAN_MAX_CREDITS;
+    clientNum = level.lastCreditedHuman;
+  }
+  else
+  {
+    return;
+  }
+
+  if( g_creditOverflow.integer == 1 )
+  {
+    // distribute to everyone on team
+    gentity_t *vic;
+
+    i = 0;
+    while( credits > 0 && i < level.maxclients )
+    {
+      i++;
+      clientNum++;
+      if( clientNum >= level.maxclients )
+        clientNum = 0;
+
+      vic = &g_entities[ clientNum ];
+      if( vic->client->ps.stats[ STAT_PTEAM ] != doner->ps.stats[ STAT_PTEAM ] ||
+          vic->client->ps.persistant[ PERS_CREDIT ] >= maxCredits )
+        continue;
+
+      if( vic->client->ps.stats[ STAT_PTEAM ] == PTE_ALIENS )
+        level.lastCreditedAlien = clientNum;
+      else
+        level.lastCreditedHuman = clientNum;
+
+      if( vic->client->ps.persistant[ PERS_CREDIT ] + credits > maxCredits )
+      {
+        credits -= maxCredits - vic->client->ps.persistant[ PERS_CREDIT ];
+        vic->client->ps.persistant[ PERS_CREDIT ] = maxCredits;
+      }
+      else
+      {
+        vic->client->ps.persistant[ PERS_CREDIT ] += credits;
+        return;
+      }
+    }
+  }
+  else if( g_creditOverflow.integer == 2 )
+  {
+    // distribute by team rank
+    gclient_t *cl;
+
+    for( i = 0; i < level.numPlayingClients && credits > 0; i++ )
+    {
+      // get the client list sorted by rank
+      cl = &level.clients[ level.sortedClients[ i ] ];
+      if( cl->ps.stats[ STAT_PTEAM ] != doner->ps.stats[ STAT_PTEAM ] ||
+          cl->ps.persistant[ PERS_CREDIT ] >= maxCredits )
+        continue;
+
+      if( cl->ps.persistant[ PERS_CREDIT ] + credits > maxCredits )
+      {
+        credits -= maxCredits - cl->ps.persistant[ PERS_CREDIT ];
+        cl->ps.persistant[ PERS_CREDIT ] = maxCredits;
+      }
+      else
+      {
+        cl->ps.persistant[ PERS_CREDIT ] += credits;
+        return;
+      }
+    }
+  }
+}
+
+/*
+===============
+G_AddCreditToClient
+===============
+*/
+void G_AddCreditToClient( gclient_t *client, short credit, qboolean cap )
+{
+  if( !client )
+    return;
+
+  //if we're already at the max and trying to add credit then stop
+  if( cap )
+  {
+    if( client->pers.teamSelection == PTE_ALIENS )
+    {
+      if( client->pers.credit >= ALIEN_MAX_KILLS &&
+          credit > 0 )
+      {
+        G_OverflowCredits( client, credit );
+        return;
+      }
+    }
+    else if( client->pers.teamSelection == PTE_HUMANS )
+    {
+      if( client->pers.credit >= HUMAN_MAX_CREDITS &&
+          credit > 0 )
+      {
+        G_OverflowCredits( client, credit );
+        return;
+      }
+    }
+  }
+
+  client->pers.credit += credit;
+
+  if( cap )
+  {
+    if( client->pers.teamSelection == PTE_ALIENS )
+    {
+      if( client->pers.credit > ALIEN_MAX_KILLS )
+      {
+        G_OverflowCredits( client, client->ps.persistant[ PERS_CREDIT ] - ALIEN_MAX_KILLS );
+        client->pers.credit = ALIEN_MAX_KILLS;
+      }
+    }
+    else if( client->pers.teamSelection == PTE_HUMANS )
+    {
+      if( client->pers.credit > HUMAN_MAX_CREDITS )
+      {
+        G_OverflowCredits( client, client->ps.persistant[ PERS_CREDIT ] - HUMAN_MAX_CREDITS );
+        client->pers.credit = HUMAN_MAX_CREDITS;
+      }
+    }
+  }
+
+  if( client->pers.credit < 0 )
+    client->pers.credit = 0;
+
+  // keep PERS_CREDIT in sync if not following 
+  if( client->sess.spectatorState != SPECTATOR_FOLLOW )
+    client->ps.persistant[ PERS_CREDIT ] = client->pers.credit;
+}
+
+
+/*
+=======================================================================
+
+  G_SelectSpawnPoint
+
+=======================================================================
+*/
+
+/*
+================
+SpotWouldTelefrag
+
+================
+*/
+qboolean SpotWouldTelefrag( gentity_t *spot )
+{
+  int       i, num;
+  int       touch[ MAX_GENTITIES ];
+  gentity_t *hit;
+  vec3_t    mins, maxs;
+
+  VectorAdd( spot->s.origin, playerMins, mins );
+  VectorAdd( spot->s.origin, playerMaxs, maxs );
+  num = trap_EntitiesInBox( mins, maxs, touch, MAX_GENTITIES );
+
+  for( i = 0; i < num; i++ )
+  {
+    hit = &g_entities[ touch[ i ] ];
+    //if ( hit->client && hit->client->ps.stats[STAT_HEALTH] > 0 ) {
+    if( hit->client )
+      return qtrue;
+  }
+
+  return qfalse;
+}
+
+/*
+================
+G_SelectNearestDeathmatchSpawnPoint
+
+Find the spot that we DON'T want to use
+================
+*/
+#define MAX_SPAWN_POINTS  128
+gentity_t *G_SelectNearestDeathmatchSpawnPoint( vec3_t from )
+{
+  gentity_t *spot;
+  vec3_t    delta;
+  float     dist, nearestDist;
+  gentity_t *nearestSpot;
+
+  nearestDist = 999999;
+  nearestSpot = NULL;
+  spot = NULL;
+
+  while( (spot = G_Find( spot, FOFS( classname ), "info_player_deathmatch" ) ) != NULL )
+  {
+    VectorSubtract( spot->s.origin, from, delta );
+    dist = VectorLength( delta );
+
+    if( dist < nearestDist )
+    {
+      nearestDist = dist;
+      nearestSpot = spot;
+    }
+  }
+
+  return nearestSpot;
+}
+
+
+/*
+================
+G_SelectRandomDeathmatchSpawnPoint
+
+go to a random point that doesn't telefrag
+================
+*/
+#define MAX_SPAWN_POINTS  128
+gentity_t *G_SelectRandomDeathmatchSpawnPoint( void )
+{
+  gentity_t *spot;
+  int       count;
+  int       selection;
+  gentity_t *spots[ MAX_SPAWN_POINTS ];
+
+  count = 0;
+  spot = NULL;
+
+  while( ( spot = G_Find( spot, FOFS( classname ), "info_player_deathmatch" ) ) != NULL )
+  {
+    if( SpotWouldTelefrag( spot ) )
+      continue;
+
+    spots[ count ] = spot;
+    count++;
+  }
+
+  if( !count ) // no spots that won't telefrag
+    return G_Find( NULL, FOFS( classname ), "info_player_deathmatch" );
+
+  selection = rand( ) % count;
+  return spots[ selection ];
+}
+
+
+/*
+===========
+G_SelectRandomFurthestSpawnPoint
+
+Chooses a player start, deathmatch start, etc
+============
+*/
+gentity_t *G_SelectRandomFurthestSpawnPoint ( vec3_t avoidPoint, vec3_t origin, vec3_t angles )
+{
+  gentity_t *spot;
+  vec3_t    delta;
+  float     dist;
+  float     list_dist[ 64 ];
+  gentity_t *list_spot[ 64 ];
+  int       numSpots, rnd, i, j;
+
+  numSpots = 0;
+  spot = NULL;
+
+  while( ( spot = G_Find( spot, FOFS( classname ), "info_player_deathmatch" ) ) != NULL )
+  {
+    if( SpotWouldTelefrag( spot ) )
+      continue;
+
+    VectorSubtract( spot->s.origin, avoidPoint, delta );
+    dist = VectorLength( delta );
+
+    for( i = 0; i < numSpots; i++ )
+    {
+      if( dist > list_dist[ i ] )
+      {
+        if( numSpots >= 64 )
+          numSpots = 64 - 1;
+
+        for( j = numSpots; j > i; j-- )
+        {
+          list_dist[ j ] = list_dist[ j - 1 ];
+          list_spot[ j ] = list_spot[ j - 1 ];
+        }
+
+        list_dist[ i ] = dist;
+        list_spot[ i ] = spot;
+        numSpots++;
+
+        if( numSpots > 64 )
+          numSpots = 64;
+
+        break;
+      }
+    }
+
+    if( i >= numSpots && numSpots < 64 )
+    {
+      list_dist[ numSpots ] = dist;
+      list_spot[ numSpots ] = spot;
+      numSpots++;
+    }
+  }
+
+  if( !numSpots )
+  {
+    spot = G_Find( NULL, FOFS( classname ), "info_player_deathmatch" );
+
+    if( !spot )
+      G_Error( "Couldn't find a spawn point" );
+
+    VectorCopy( spot->s.origin, origin );
+    origin[ 2 ] += 9;
+    VectorCopy( spot->s.angles, angles );
+    return spot;
+  }
+
+  // select a random spot from the spawn points furthest away
+  rnd = random( ) * ( numSpots / 2 );
+
+  VectorCopy( list_spot[ rnd ]->s.origin, origin );
+  origin[ 2 ] += 9;
+  VectorCopy( list_spot[ rnd ]->s.angles, angles );
+
+  return list_spot[ rnd ];
+}
+
+
+/*
+================
+G_SelectAlienSpawnPoint
+
+go to a random point that doesn't telefrag
+================
+*/
+gentity_t *G_SelectAlienSpawnPoint( vec3_t preference )
+{
+  gentity_t *spot;
+  int       count;
+  gentity_t *spots[ MAX_SPAWN_POINTS ];
+
+  if( level.numAlienSpawns <= 0 )
+    return NULL;
+
+  count = 0;
+  spot = NULL;
+
+  while( ( spot = G_Find( spot, FOFS( classname ),
+    BG_FindEntityNameForBuildable( BA_A_SPAWN ) ) ) != NULL )
+  {
+    if( !spot->spawned )
+      continue;
+
+    if( spot->health <= 0 )
+      continue;
+
+    if( !spot->s.groundEntityNum )
+      continue;
+
+    if( spot->clientSpawnTime > 0 )
+      continue;
+
+    if( G_CheckSpawnPoint( spot->s.number, spot->s.origin,
+          spot->s.origin2, BA_A_SPAWN, NULL ) != NULL )
+      continue;
+
+    spots[ count ] = spot;
+    count++;
+  }
+
+  if( !count )
+    return NULL;
+
+  return G_ClosestEnt( preference, spots, count );
+}
+
+
+/*
+================
+G_SelectHumanSpawnPoint
+
+go to a random point that doesn't telefrag
+================
+*/
+gentity_t *G_SelectHumanSpawnPoint( vec3_t preference )
+{
+  gentity_t *spot;
+  int       count;
+  gentity_t *spots[ MAX_SPAWN_POINTS ];
+
+  if( level.numHumanSpawns <= 0 )
+    return NULL;
+
+  count = 0;
+  spot = NULL;
+
+  while( ( spot = G_Find( spot, FOFS( classname ),
+    BG_FindEntityNameForBuildable( BA_H_SPAWN ) ) ) != NULL )
+  {
+    if( !spot->spawned )
+      continue;
+
+    if( spot->health <= 0 )
+      continue;
+
+    if( !spot->s.groundEntityNum )
+      continue;
+
+    if( spot->clientSpawnTime > 0 )
+      continue;
+
+    if( G_CheckSpawnPoint( spot->s.number, spot->s.origin,
+          spot->s.origin2, BA_H_SPAWN, NULL ) != NULL )
+      continue;
+
+    spots[ count ] = spot;
+    count++;
+  }
+
+  if( !count )
+    return NULL;
+
+  return G_ClosestEnt( preference, spots, count );
+}
+
+
+/*
+===========
+G_SelectSpawnPoint
+
+Chooses a player start, deathmatch start, etc
+============
+*/
+gentity_t *G_SelectSpawnPoint( vec3_t avoidPoint, vec3_t origin, vec3_t angles )
+{
+  return G_SelectRandomFurthestSpawnPoint( avoidPoint, origin, angles );
+}
+
+
+/*
+===========
+G_SelectTremulousSpawnPoint
+
+Chooses a player start, deathmatch start, etc
+============
+*/
+gentity_t *G_SelectTremulousSpawnPoint( pTeam_t team, vec3_t preference, vec3_t origin, vec3_t angles )
+{
+  gentity_t *spot = NULL;
+
+  if( team == PTE_ALIENS )
+    spot = G_SelectAlienSpawnPoint( preference );
+  else if( team == PTE_HUMANS )
+    spot = G_SelectHumanSpawnPoint( preference );
+
+  //no available spots
+  if( !spot )
+    return NULL;
+
+  if( team == PTE_ALIENS )
+    G_CheckSpawnPoint( spot->s.number, spot->s.origin, spot->s.origin2, BA_A_SPAWN, origin );
+  else if( team == PTE_HUMANS )
+    G_CheckSpawnPoint( spot->s.number, spot->s.origin, spot->s.origin2, BA_H_SPAWN, origin );
+
+  VectorCopy( spot->s.angles, angles );
+  angles[ ROLL ] = 0;
+
+  return spot;
+
+}
+
+
+/*
+===========
+G_SelectInitialSpawnPoint
+
+Try to find a spawn point marked 'initial', otherwise
+use normal spawn selection.
+============
+*/
+gentity_t *G_SelectInitialSpawnPoint( vec3_t origin, vec3_t angles )
+{
+  gentity_t *spot;
+
+  spot = NULL;
+  while( ( spot = G_Find( spot, FOFS( classname ), "info_player_deathmatch" ) ) != NULL )
+  {
+    if( spot->spawnflags & 1 )
+      break;
+  }
+
+  if( !spot || SpotWouldTelefrag( spot ) )
+  {
+    return G_SelectSpawnPoint( vec3_origin, origin, angles );
+  }
+
+  VectorCopy( spot->s.origin, origin );
+  origin[ 2 ] += 9;
+  VectorCopy( spot->s.angles, angles );
+
+  return spot;
+}
+
+/*
+===========
+G_SelectSpectatorSpawnPoint
+
+============
+*/
+gentity_t *G_SelectSpectatorSpawnPoint( vec3_t origin, vec3_t angles )
+{
+  FindIntermissionPoint( );
+
+  VectorCopy( level.intermission_origin, origin );
+  VectorCopy( level.intermission_angle, angles );
+
+  return NULL;
+}
+
+
+/*
+===========
+G_SelectAlienLockSpawnPoint
+
+Try to find a spawn point for alien intermission otherwise
+use normal intermission spawn.
+============
+*/
+gentity_t *G_SelectAlienLockSpawnPoint( vec3_t origin, vec3_t angles )
+{
+  gentity_t *spot;
+
+  spot = NULL;
+  spot = G_Find( spot, FOFS( classname ), "info_alien_intermission" );
+
+  if( !spot )
+    return G_SelectSpectatorSpawnPoint( origin, angles );
+
+  VectorCopy( spot->s.origin, origin );
+  VectorCopy( spot->s.angles, angles );
+
+  return spot;
+}
+
+
+/*
+===========
+G_SelectHumanLockSpawnPoint
+
+Try to find a spawn point for human intermission otherwise
+use normal intermission spawn.
+============
+*/
+gentity_t *G_SelectHumanLockSpawnPoint( vec3_t origin, vec3_t angles )
+{
+  gentity_t *spot;
+
+  spot = NULL;
+  spot = G_Find( spot, FOFS( classname ), "info_human_intermission" );
+
+  if( !spot )
+    return G_SelectSpectatorSpawnPoint( origin, angles );
+
+  VectorCopy( spot->s.origin, origin );
+  VectorCopy( spot->s.angles, angles );
+
+  return spot;
+}
+
+
+/*
+=======================================================================
+
+BODYQUE
+
+=======================================================================
+*/
+
+
+/*
+=============
+BodySink
+
+After sitting around for five seconds, fall into the ground and dissapear
+=============
+*/
+void BodySink( gentity_t *ent )
+{
+  //run on first BodySink call
+  if( !ent->active )
+  {
+    ent->active = qtrue;
+
+    //sinking bodies can't be infested
+    ent->killedBy = ent->s.powerups = MAX_CLIENTS;
+    ent->timestamp = level.time;
+  }
+
+  if( level.time - ent->timestamp > 6500 )
+  {
+    G_FreeEntity( ent );
+    return;
+  }
+
+  ent->nextthink = level.time + 100;
+  ent->s.pos.trBase[ 2 ] -= 1;
+}
+
+
+/*
+=============
+BodyFree
+
+After sitting around for a while the body becomes a freebie
+=============
+*/
+void BodyFree( gentity_t *ent )
+{
+  ent->killedBy = -1;
+
+  //if not claimed in the next minute destroy
+  ent->think = BodySink;
+  ent->nextthink = level.time + 60000;
+}
+
+
+/*
+=============
+SpawnCorpse
+
+A player is respawning, so make an entity that looks
+just like the existing corpse to leave behind.
+=============
+*/
+void SpawnCorpse( gentity_t *ent )
+{
+  gentity_t   *body;
+  int         contents;
+  vec3_t      origin, dest;
+  trace_t     tr;
+  float       vDiff;
+
+  // prevent crashing everyone with bad corpsenum bug
+  if( ent->client->pers.connected != CON_CONNECTED )
+    return;
+
+  VectorCopy( ent->r.currentOrigin, origin );
+
+  trap_UnlinkEntity( ent );
+
+  // if client is in a nodrop area, don't leave the body
+  contents = trap_PointContents( origin, -1 );
+  if( contents & CONTENTS_NODROP )
+    return;
+
+  body = G_Spawn( );
+
+  VectorCopy( ent->s.apos.trBase, body->s.angles );
+  body->s.eFlags = EF_DEAD;
+  body->s.eType = ET_CORPSE;
+  body->s.number = body - g_entities;
+  body->timestamp = level.time;
+  body->s.event = 0;
+  body->r.contents = CONTENTS_CORPSE;
+  body->s.clientNum = ent->client->ps.stats[ STAT_PCLASS ];
+  body->nonSegModel = ent->client->ps.persistant[ PERS_STATE ] & PS_NONSEGMODEL;
+
+  if( ent->client->ps.stats[ STAT_PTEAM ] == PTE_HUMANS )
+    body->classname = "humanCorpse";
+  else
+    body->classname = "alienCorpse";
+
+  body->s.powerups = MAX_CLIENTS;
+
+  body->think = BodySink;
+  body->nextthink = level.time + 20000;
+
+  body->s.legsAnim = ent->s.legsAnim;
+
+  if( !body->nonSegModel )
+  {
+    switch( body->s.legsAnim & ~ANIM_TOGGLEBIT )
+    {
+      case BOTH_DEATH1:
+      case BOTH_DEAD1:
+        body->s.torsoAnim = body->s.legsAnim = BOTH_DEAD1;
+        break;
+      case BOTH_DEATH2:
+      case BOTH_DEAD2:
+        body->s.torsoAnim = body->s.legsAnim = BOTH_DEAD2;
+        break;
+      case BOTH_DEATH3:
+      case BOTH_DEAD3:
+      default:
+        body->s.torsoAnim = body->s.legsAnim = BOTH_DEAD3;
+        break;
+    }
+  }
+  else
+  {
+    switch( body->s.legsAnim & ~ANIM_TOGGLEBIT )
+    {
+      case NSPA_DEATH1:
+      case NSPA_DEAD1:
+        body->s.legsAnim = NSPA_DEAD1;
+        break;
+      case NSPA_DEATH2:
+      case NSPA_DEAD2:
+        body->s.legsAnim = NSPA_DEAD2;
+        break;
+      case NSPA_DEATH3:
+      case NSPA_DEAD3:
+      default:
+        body->s.legsAnim = NSPA_DEAD3;
+        break;
+    }
+  }
+
+  body->takedamage = qfalse;
+
+  body->health = ent->health = ent->client->ps.stats[ STAT_HEALTH ];
+  ent->health = 0;
+
+  //change body dimensions
+  BG_FindBBoxForClass( ent->client->ps.stats[ STAT_PCLASS ], NULL, NULL, NULL, body->r.mins, body->r.maxs );
+  vDiff = body->r.mins[ 2 ] - ent->r.mins[ 2 ];
+
+  //drop down to match the *model* origins of ent and body
+  VectorSet( dest, origin[ 0 ], origin[ 1 ], origin[ 2 ] - vDiff );
+  trap_Trace( &tr, origin, body->r.mins, body->r.maxs, dest, body->s.number, body->clipmask );
+  VectorCopy( tr.endpos, origin );
+
+  G_SetOrigin( body, origin );
+  VectorCopy( origin, body->s.origin );
+  body->s.pos.trType = TR_GRAVITY;
+  body->s.pos.trTime = level.time;
+  VectorCopy( ent->client->ps.velocity, body->s.pos.trDelta );
+
+  VectorCopy ( body->s.pos.trBase, body->r.currentOrigin );
+  trap_LinkEntity( body );
+}
+
+//======================================================================
+
+
+/*
+==================
+G_SetClientViewAngle
+
+==================
+*/
+void G_SetClientViewAngle( gentity_t *ent, vec3_t angle )
+{
+  int     i;
+
+  // set the delta angle
+  for( i = 0; i < 3; i++ )
+  {
+    int   cmdAngle;
+
+    cmdAngle = ANGLE2SHORT( angle[ i ] );
+    ent->client->ps.delta_angles[ i ] = cmdAngle - ent->client->pers.cmd.angles[ i ];
+  }
+
+  VectorCopy( angle, ent->s.angles );
+  VectorCopy( ent->s.angles, ent->client->ps.viewangles );
+}
+
+/*
+================
+respawn
+================
+*/
+void respawn( gentity_t *ent )
+{
+  SpawnCorpse( ent );
+
+  //TA: Clients can't respawn - they must go thru the class cmd
+  ent->client->pers.classSelection = PCL_NONE;
+  ClientSpawn( ent, NULL, NULL, NULL );
+}
+
+/*
+================
+TeamCount
+
+Returns number of players on a team
+================
+*/
+team_t TeamCount( int ignoreClientNum, int team )
+{
+  int   i;
+  int   count = 0;
+
+  for( i = 0 ; i < level.maxclients ; i++ )
+  {
+    if( i == ignoreClientNum )
+      continue;
+
+    if( level.clients[ i ].pers.connected == CON_DISCONNECTED )
+      continue;
+
+    if( level.clients[ i ].sess.sessionTeam == team )
+      count++;
+  }
+
+  return count;
+}
+
+
+/*
+===========
+ClientCleanName
+============
+*/
+static void ClientCleanName( const char *in, char *out, int outSize, qboolean special )
+{
+  int   len, colorlessLen;
+  char  ch;
+  char  *p;
+  int   spaces;
+  qboolean invalid = qfalse;
+
+  //save room for trailing null byte
+  outSize--;
+
+  len = 0;
+  colorlessLen = 0;
+  p = out;
+  *p = 0;
+  spaces = 0;
+
+  while( 1 )
+  {
+    ch = *in++;
+    if( !ch )
+      break;
+
+    // don't allow leading spaces
+    if( !*p && ch == ' ' )
+      continue;
+
+    // don't allow nonprinting characters or (dead) console keys
+    if( ch < ' ' || ch > '}' || ch == '`' )
+      continue;
+
+    // check colors
+    if( Q_IsColorString( in - 1 ) )
+    {
+      // make sure room in dest for both chars
+      if( len > outSize - 2 )
+        break;
+
+      *out++ = ch;
+      len += 2;
+
+      // solo trailing carat is not a color prefix
+      if( !*in ) {
+        *out++ = COLOR_WHITE;
+        break;
+      }
+
+      // don't allow black in a name, unless if special
+      if( ColorIndex( *in ) == 0 && !special )
+        *out++ = COLOR_WHITE;
+      else
+        *out++ = *in;
+
+      in++;
+      continue;
+    }
+
+    // don't allow too many consecutive spaces
+    if( ch == ' ' )
+    {
+      spaces++;
+      if( spaces > 3 )
+        continue;
+    }
+    else
+      spaces = 0;
+
+    if( len > outSize - 1 )
+      break;
+
+    *out++ = ch;
+    colorlessLen++;
+    len++;
+  }
+
+  *out = 0;
+
+  // don't allow names beginning with "[skipnotify]" because it messes up /ignore-related code
+  if( !Q_strncmp( p, "[skipnotify]", 12 ) )
+    invalid = qtrue;
+
+  // don't allow comment-beginning strings because it messes up various parsers
+  if( strstr( p, "//" ) || strstr( p, "/*" ) )
+    invalid = qtrue;
+
+  // don't allow empty names
+  if( *p == 0 || colorlessLen == 0 )
+    invalid = qtrue;
+
+  // if something made the name bad, put them back to UnnamedPlayer
+  if( invalid )
+    Q_strncpyz( p, "UnnamedPlayer", outSize );
+}
+
+
+/*
+===================
+G_NextNewbieName
+
+Generate a unique, known-good name for an UnnamedPlayer
+===================
+*/
+char *G_NextNewbieName( gentity_t *ent )
+{
+  char newname[ MAX_NAME_LENGTH ];
+  char namePrefix[ MAX_NAME_LENGTH - 4 ];
+  char err[ MAX_STRING_CHARS ];
+
+  if( g_newbieNamePrefix.string[ 0 ] )
+    Q_strncpyz( namePrefix, g_newbieNamePrefix.string , sizeof( namePrefix ) );
+  else
+    strcpy( namePrefix, "Newbie#" );
+
+  while( level.numNewbies < 10000 )
+  {
+    strcpy( newname, va( "%s%i", namePrefix, level.numNewbies ) );
+    if ( G_admin_name_check( ent, newname, err, sizeof( err ) ) )
+    {
+      return va( "%s", newname );
+    }
+    level.numNewbies++; // Only increments if the last requested name was used.
+  }
+  return "UnnamedPlayer";
+}
+
+
+/*
+======================
+G_NonSegModel
+
+Reads an animation.cfg to check for nonsegmentation
+======================
+*/
+static qboolean G_NonSegModel( const char *filename )
+{
+  char          *text_p;
+  int           len;
+  char          *token;
+  char          text[ 20000 ];
+  fileHandle_t  f;
+
+  // load the file
+  len = trap_FS_FOpenFile( filename, &f, FS_READ );
+  if( !f )
+  {
+    G_Printf( "File not found: %s\n", filename );
+    return qfalse;
+  }
+
+  if( len < 0 )
+    return qfalse;
+
+  if( len == 0 || len >= sizeof( text ) - 1 )
+  {
+    trap_FS_FCloseFile( f );
+    G_Printf( "File %s is %s\n", filename, len == 0 ? "empty" : "too long" );
+    return qfalse;
+  }
+
+  trap_FS_Read( text, len, f );
+  text[ len ] = 0;
+  trap_FS_FCloseFile( f );
+
+  // parse the text
+  text_p = text;
+
+  // read optional parameters
+  while( 1 )
+  {
+    token = COM_Parse( &text_p );
+
+    //EOF
+    if( !token[ 0 ] )
+      break;
+
+    if( !Q_stricmp( token, "nonsegmented" ) )
+      return qtrue;
+  }
+
+  return qfalse;
+}
+
+/*
+===========
+ClientUserInfoChanged
+
+Called from ClientConnect when the player first connects and
+directly by the server system when the player updates a userinfo variable.
+
+The game can override any of the settings and call trap_SetUserinfo
+if desired.
+============
+*/
+void ClientUserinfoChanged( int clientNum, qboolean forceName )
+{
+  gentity_t *ent;
+  int       teamTask, teamLeader, health;
+  char      *s;
+  char      model[ MAX_QPATH ];
+  char      buffer[ MAX_QPATH ];
+  char      filename[ MAX_QPATH ];
+  char      oldname[ MAX_NAME_LENGTH ];
+  char      newname[ MAX_NAME_LENGTH ];
+  char      err[ MAX_STRING_CHARS ];
+  qboolean  revertName = qfalse;
+  qboolean  showRenameMsg = qtrue;
+  gclient_t *client;
+  char      c1[ MAX_INFO_STRING ];
+  char      c2[ MAX_INFO_STRING ];
+  char      userinfo[ MAX_INFO_STRING ];
+  team_t    team;
+
+  ent = g_entities + clientNum;
+  client = ent->client;
+
+  trap_GetUserinfo( clientNum, userinfo, sizeof( userinfo ) );
+
+  // check for malformed or illegal info strings
+  if( !Info_Validate(userinfo) )
+  {
+    trap_SendServerCommand( ent - g_entities,
+        "disconnect \"illegal or malformed userinfo\n\"" );
+    trap_DropClient( ent - g_entities, 
+        "dropped: illegal or malformed userinfo");
+  }
+
+
+  // check for local client
+  s = Info_ValueForKey( userinfo, "ip" );
+
+  if( !strcmp( s, "localhost" ) )
+    client->pers.localClient = qtrue;
+
+  // check the item prediction
+  s = Info_ValueForKey( userinfo, "cg_predictItems" );
+
+  if( !atoi( s ) )
+    client->pers.predictItemPickup = qfalse;
+  else
+    client->pers.predictItemPickup = qtrue;
+
+  // set name
+  Q_strncpyz( oldname, client->pers.netname, sizeof( oldname ) );
+  s = Info_ValueForKey( userinfo, "name" );
+
+  if ( !G_admin_permission( ent, ADMF_SPECIALNAME ) )
+    ClientCleanName( s, newname, sizeof( newname ), qfalse );
+  else
+    ClientCleanName( s, newname, sizeof( newname ), qtrue );
+
+  if( strcmp( oldname, newname ) )
+  {
+    if( !strlen( oldname ) && client->pers.connected != CON_CONNECTED )
+      showRenameMsg = qfalse;
+
+    // in case we need to revert and there's no oldname
+    if ( !G_admin_permission( ent, ADMF_SPECIALNAME ) )
+      ClientCleanName( va( "%s", client->pers.netname ), oldname, sizeof( oldname ), qfalse );
+    else
+      ClientCleanName( va( "%s", client->pers.netname ), oldname, sizeof( oldname ), qtrue );
+ 
+    if( g_newbieNumbering.integer )
+    {
+      if( !strcmp( newname, "UnnamedPlayer" ) )
+        Q_strncpyz( newname, G_NextNewbieName( ent ), sizeof( newname ) );
+      if( !strcmp( oldname, "UnnamedPlayer" ) )
+        Q_strncpyz( oldname, G_NextNewbieName( ent ), sizeof( oldname ) );
+    }
+
+
+    if( !forceName )
+    {
+      if( G_IsMuted( client ) )
+      {
+        trap_SendServerCommand( ent - g_entities,
+            "print \"You cannot change your name while you are muted\n\"" );
+        revertName = qtrue;
+      }
+      else if( client->pers.nameChangeTime &&
+      ( level.time - client->pers.nameChangeTime )
+      <= ( g_minNameChangePeriod.value * 1000 ) )
+      {
+        trap_SendServerCommand( ent - g_entities, va(
+            "print \"Name change spam protection (g_minNameChangePeriod = %d)\n\"",
+            g_minNameChangePeriod.integer ) );
+        revertName = qtrue;
+      }
+      else if( g_maxNameChanges.integer > 0
+        && client->pers.nameChanges >= g_maxNameChanges.integer
+        && !G_admin_permission( ent, ADMF_SPECIAL ) )
+      {
+        trap_SendServerCommand( ent - g_entities, va(
+            "print \"Maximum name changes reached (g_maxNameChanges = %d)\n\"",
+            g_maxNameChanges.integer ) );
+        revertName = qtrue;
+      }
+    }
+
+    if( !G_admin_name_check( ent, newname, err, sizeof( err ) ) )
+    {
+      trap_SendServerCommand( ent - g_entities, va( "print \"%s\n\"", err ) );
+      revertName = qtrue;
+    }
+
+    if( revertName )
+    {
+      Q_strncpyz( client->pers.netname, oldname,
+        sizeof( client->pers.netname ) );
+      Info_SetValueForKey( userinfo, "name", oldname );
+      trap_SetUserinfo( clientNum, userinfo );
+    }
+    else
+    {
+      Q_strncpyz( client->pers.netname, newname,
+        sizeof( client->pers.netname ) );
+      Info_SetValueForKey( userinfo, "name", newname );
+      trap_SetUserinfo( clientNum, userinfo );
+      if( client->pers.connected == CON_CONNECTED )
+      {
+        client->pers.nameChangeTime = level.time;
+        client->pers.nameChanges++;
+      }
+    }
+  }
+
+  if( client->sess.sessionTeam == TEAM_SPECTATOR )
+  {
+    if( client->sess.spectatorState == SPECTATOR_SCOREBOARD )
+      Q_strncpyz( client->pers.netname, "scoreboard", sizeof( client->pers.netname ) );
+  }
+
+  if( client->pers.connected >= CON_CONNECTING && showRenameMsg )
+  {
+    if( strcmp( oldname, client->pers.netname ) )
+    {
+      //dont show if players invisible
+      if( client->sess.invisible != qtrue )
+        trap_SendServerCommand( -1, va( "print \"%s" S_COLOR_WHITE
+          " renamed to %s^7\n\"", oldname, client->pers.netname ) );
+      if( g_decolourLogfiles.integer)
+      {
+        char    decoloured[ MAX_STRING_CHARS ] = "";   
+        if( g_decolourLogfiles.integer == 1 )
+    {
+      Com_sprintf( decoloured, sizeof(decoloured), " (\"%s^7\" -> \"%s^7\")", oldname, client->pers.netname );
+      G_DecolorString( decoloured, decoloured );
+          G_LogPrintfColoured( "ClientRename: %i [%s] (%s) \"%s^7\" -> \"%s^7\"%s\n", clientNum,
+             client->pers.ip, client->pers.guid, oldname, client->pers.netname, decoloured );
+    }
+    else
+    {
+          G_LogPrintf( "ClientRename: %i [%s] (%s) \"%s^7\" -> \"%s^7\"%s\n", clientNum,
+             client->pers.ip, client->pers.guid, oldname, client->pers.netname, decoloured );
+    }
+
+      }
+      else
+      {
+      G_LogPrintf( "ClientRename: %i [%s] (%s) \"%s^7\" -> \"%s^7\"\n", clientNum,
+         client->pers.ip, client->pers.guid, oldname, client->pers.netname );
+      }
+      G_admin_namelog_update( client, qfalse );
+    }
+  }
+
+  // set max health
+  health = atoi( Info_ValueForKey( userinfo, "handicap" ) );
+  client->pers.maxHealth = health;
+
+  if( client->pers.maxHealth < 1 || client->pers.maxHealth > 100 )
+    client->pers.maxHealth = 100;
+
+  //hack to force a client update if the config string does not change between spawning
+  if( client->pers.classSelection == PCL_NONE )
+    client->pers.maxHealth = 0;
+
+  // set model
+  if( client->ps.stats[ STAT_PCLASS ] == PCL_HUMAN && BG_InventoryContainsUpgrade( UP_BATTLESUIT, client->ps.stats ) )
+  {
+    Com_sprintf( buffer, MAX_QPATH, "%s/%s",  BG_FindModelNameForClass( PCL_HUMAN_BSUIT ),
+                                              BG_FindSkinNameForClass( PCL_HUMAN_BSUIT ) );
+  }
+  else if( client->pers.classSelection == PCL_NONE )
+  {
+    //This looks hacky and frankly it is. The clientInfo string needs to hold different
+    //model details to that of the spawning class or the info change will not be
+    //registered and an axis appears instead of the player model. There is zero chance
+    //the player can spawn with the battlesuit, hence this choice.
+    Com_sprintf( buffer, MAX_QPATH, "%s/%s",  BG_FindModelNameForClass( PCL_HUMAN_BSUIT ),
+                                              BG_FindSkinNameForClass( PCL_HUMAN_BSUIT ) );
+  }
+  else
+  {
+    Com_sprintf( buffer, MAX_QPATH, "%s/%s",  BG_FindModelNameForClass( client->pers.classSelection ),
+                                              BG_FindSkinNameForClass( client->pers.classSelection ) );
+  }
+  Q_strncpyz( model, buffer, sizeof( model ) );
+
+  //don't bother setting model type if spectating
+  if( client->pers.classSelection != PCL_NONE )
+  {
+    //model segmentation
+    Com_sprintf( filename, sizeof( filename ), "models/players/%s/animation.cfg",
+                 BG_FindModelNameForClass( client->pers.classSelection ) );
+
+    if( G_NonSegModel( filename ) )
+      client->ps.persistant[ PERS_STATE ] |= PS_NONSEGMODEL;
+    else
+      client->ps.persistant[ PERS_STATE ] &= ~PS_NONSEGMODEL;
+  }
+
+  // wallwalk follow
+  s = Info_ValueForKey( userinfo, "cg_wwFollow" );
+
+  if( atoi( s ) )
+    client->ps.persistant[ PERS_STATE ] |= PS_WALLCLIMBINGFOLLOW;
+  else
+    client->ps.persistant[ PERS_STATE ] &= ~PS_WALLCLIMBINGFOLLOW;
+
+  // wallwalk toggle
+  s = Info_ValueForKey( userinfo, "cg_wwToggle" );
+
+  if( atoi( s ) )
+    client->ps.persistant[ PERS_STATE ] |= PS_WALLCLIMBINGTOGGLE;
+  else
+    client->ps.persistant[ PERS_STATE ] &= ~PS_WALLCLIMBINGTOGGLE;
+
+  // teamInfo
+  s = Info_ValueForKey( userinfo, "teamoverlay" );
+
+  if( ! *s || atoi( s ) != 0 )
+    client->pers.teamInfo = qtrue;
+  else
+    client->pers.teamInfo = qfalse;
+
+  s = Info_ValueForKey( userinfo, "cg_unlagged" );
+  if( !s[0] || atoi( s ) != 0 )
+    client->pers.useUnlagged = qtrue;
+  else
+    client->pers.useUnlagged = qfalse;
+
+  // team task (0 = none, 1 = offence, 2 = defence)
+  teamTask = atoi( Info_ValueForKey( userinfo, "teamtask" ) );
+  // team Leader (1 = leader, 0 is normal player)
+  teamLeader = client->sess.teamLeader;
+
+  // colors
+  strcpy( c1, Info_ValueForKey( userinfo, "color1" ) );
+  strcpy( c2, Info_ValueForKey( userinfo, "color2" ) );
+
+  team = client->pers.teamSelection;
+
+  // send over a subset of the userinfo keys so other clients can
+  // print scoreboards, display models, and play custom sounds
+  if ( client->sess.invisible != qtrue )
+  {
+    Com_sprintf( userinfo, sizeof( userinfo ),
+      "n\\%s\\t\\%i\\model\\%s\\hmodel\\%s\\c1\\%s\\c2\\%s\\"
+      "hc\\%i\\w\\%i\\l\\%i\\tt\\%d\\"
+      "tl\\%d\\ig\\%16s",
+      client->pers.netname, team, model, model, c1, c2,
+      client->pers.maxHealth, client->sess.wins, client->sess.losses, teamTask,
+      teamLeader, BG_ClientListString( &client->sess.ignoreList ) );
+
+    trap_SetConfigstring( CS_PLAYERS + clientNum, userinfo );
+  } else {
+    trap_SetConfigstring( CS_PLAYERS + clientNum, "" );
+  }
+  /*G_LogPrintf( "ClientUserinfoChanged: %i %s\n", clientNum, userinfo );*/
+}
+
+
+/*
+===========
+ClientConnect
+
+Called when a player begins connecting to the server.
+Called again for every map change or tournement restart.
+
+The session information will be valid after exit.
+
+Return NULL if the client should be allowed, otherwise return
+a string with the reason for denial.
+
+Otherwise, the client will be sent the current gamestate
+and will eventually get to ClientBegin.
+
+firstTime will be qtrue the very first time a client connects
+to the server machine, but qfalse on map changes and tournement
+restarts.
+============
+*/
+char *ClientConnect( int clientNum, qboolean firstTime )
+{
+  char      *value;
+  gclient_t *client;
+  char      userinfo[ MAX_INFO_STRING ];
+  gentity_t *ent;
+  char      guid[ 33 ];
+  char      ip[ 16 ] = {""};
+  char      reason[ MAX_STRING_CHARS ] = {""};
+  int       i;
+
+  ent = &g_entities[ clientNum ];
+
+  trap_GetUserinfo( clientNum, userinfo, sizeof( userinfo ) );
+
+  value = Info_ValueForKey( userinfo, "cl_guid" );
+  Q_strncpyz( guid, value, sizeof( guid ) );
+
+  // check for admin ban
+  if( G_admin_ban_check( userinfo, reason, sizeof( reason ) ) )
+  {
+    return va( "%s", reason );
+  }
+
+  // IP filtering
+  // https://zerowing.idsoftware.com/bugzilla/show_bug.cgi?id=500
+  // recommanding PB based IP / GUID banning, the builtin system is pretty limited
+  // check to see if they are on the banned IP list
+  value = Info_ValueForKey( userinfo, "ip" );
+  i = 0;
+  while( *value && i < sizeof( ip ) - 2 )
+  {
+    if( *value != '.' && ( *value < '0' || *value > '9' ) )
+      break;
+    ip[ i++ ] = *value;
+    value++;
+  }
+  ip[ i ] = '\0';
+  if( G_FilterPacket( value ) )
+    return "You are banned from this server.";
+
+  if( ip[ 0 ] == 0 ||strlen( ip ) < 7 )
+  {
+    G_AdminsPrintf( "Connect from client with invalid IP: '%s' NAME: '%s^7'\n",
+                    ip, Info_ValueForKey( userinfo, "name" ) );
+    return "Invalid client data";
+  }
+
+  // check for a password
+  value = Info_ValueForKey( userinfo, "password" );
+
+  if( g_password.string[ 0 ] && Q_stricmp( g_password.string, "none" ) &&
+      strcmp( g_password.string, value ) != 0 )
+    return "Invalid password";
+
+  // they can connect
+  ent->client = level.clients + clientNum;
+  client = ent->client;
+
+  memset( client, 0, sizeof(*client) );
+
+  // add guid to session so we don't have to keep parsing userinfo everywhere
+  if( !guid[ 0 ] )
+  {
+    Q_strncpyz( client->pers.guid, "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
+      sizeof( client->pers.guid ) );
+  }
+  else
+  {
+    Q_strncpyz( client->pers.guid, guid, sizeof( client->pers.guid ) );
+  }
+
+  Q_strncpyz( client->pers.ip, ip, sizeof( client->pers.ip ) );
+  client->pers.adminLevel = G_admin_level( ent );
+
+  // do autoghost now so that there won't be any name conflicts later on
+  if ( g_autoGhost.integer && client->pers.guid[ 0 ] != 'X' )
+  {
+    for ( i = 0; i < MAX_CLIENTS; i++ )
+    {
+      if ( i != ent - g_entities && g_entities[i].client && g_entities[i].client->pers.connected != CON_DISCONNECTED && !Q_stricmp( g_entities[i].client->pers.guid, client->pers.guid ) )
+      {
+        trap_SendServerCommand( i, "disconnect \"You may not be connected to this server multiple times\"" );
+        trap_DropClient( i, "disconnected" );
+      }
+    }
+  }
+
+  client->pers.connected = CON_CONNECTING;
+
+  // read or initialize the session data
+  if( firstTime || level.newSession )
+    G_InitSessionData( client, userinfo );
+
+  G_ReadSessionData( client );
+
+  if( firstTime )
+    client->pers.firstConnect = qtrue;
+  else
+    client->pers.firstConnect = qfalse;
+
+  // get and distribute relevent paramters
+  ClientUserinfoChanged( clientNum, qfalse );
+  
+  G_admin_set_adminname( ent );
+  
+  if( g_decolourLogfiles.integer )
+  {
+   char    decoloured[ MAX_STRING_CHARS ] = "";   
+   if( g_decolourLogfiles.integer == 1 )
+   {
+     Com_sprintf( decoloured, sizeof(decoloured), " (\"%s^7\")", client->pers.netname );
+     G_DecolorString( decoloured, decoloured );
+     G_LogPrintfColoured( "ClientConnect: %i [%s] (%s) \"%s^7\"%s\n", clientNum,
+        client->pers.ip, client->pers.guid, client->pers.netname, decoloured );
+   }
+   else
+   {
+      G_LogPrintf( "ClientConnect: %i [%s] (%s) \"%s^7\"%s\n", clientNum,
+          client->pers.ip, client->pers.guid, client->pers.netname, decoloured );
+   }
+  }
+  else
+  {
+    G_LogPrintf( "ClientConnect: %i [%s] (%s) \"%s^7\"\n", clientNum,
+      client->pers.ip, client->pers.guid, client->pers.netname );
+  }
+  
+  if( client->pers.adminLevel )
+  { 
+     G_LogPrintf( "ClientAuth: %i [%s] \"%s^7\" authenticated to admin level %i using GUID %s (^7%s)\n", clientNum, client->pers.ip, client->pers.netname, client->pers.adminLevel, client->pers.guid, client->pers.adminName );
+  }
+
+  // don't do the "xxx connected" messages if they were caried over from previous level
+  if( client->sess.invisible != qtrue )
+  {
+    if( firstTime )
+      trap_SendServerCommand( -1, va( "print \"%s" S_COLOR_WHITE " connected\n\"", client->pers.netname ) );
+
+    // count current clients and rank for scoreboard
+    CalculateRanks( );
+    G_admin_namelog_update( client, qfalse );
+  }
+  
+
+  // if this is after !restart keepteams or !restart switchteams, apply said selection
+  if ( client->sess.restartTeam != PTE_NONE ) {
+    G_ChangeTeam( ent, client->sess.restartTeam );
+    client->sess.restartTeam = PTE_NONE;
+  }
+
+  
+  return NULL;
+}
+
+/*
+===========
+ClientBegin
+
+called when a client has finished connecting, and is ready
+to be placed into the level.  This will happen every level load,
+and on transition between teams, but doesn't happen on respawns
+============
+*/
+void ClientBegin( int clientNum )
+{
+  gentity_t *ent;
+  gclient_t *client;
+  int       flags;
+
+  ent = g_entities + clientNum;
+
+  client = level.clients + clientNum;
+
+  if( ent->r.linked )
+    trap_UnlinkEntity( ent );
+
+  G_InitGentity( ent );
+  ent->touch = 0;
+  ent->pain = 0;
+  ent->client = client;
+
+  client->pers.connected = CON_CONNECTED;
+  client->pers.enterTime = level.time;
+  client->pers.teamState.state = TEAM_BEGIN;
+  client->pers.classSelection = PCL_NONE;
+
+  // save eflags around this, because changing teams will
+  // cause this to happen with a valid entity, and we
+  // want to make sure the teleport bit is set right
+  // so the viewpoint doesn't interpolate through the
+  // world to the new position
+  flags = client->ps.eFlags;
+  memset( &client->ps, 0, sizeof( client->ps ) );
+  memset( &client->pmext, 0, sizeof( client->pmext ) );
+  client->ps.eFlags = flags;
+
+  // locate ent at a spawn point
+
+  ClientSpawn( ent, NULL, NULL, NULL );
+
+  // Ignore invisible players for this section:
+  if ( client->sess.invisible != qtrue )
+  {
+    trap_SendServerCommand( -1, va( "print \"%s" S_COLOR_WHITE " entered the game\n\"", client->pers.netname ) );
+
+    // auto mute flag
+    if( G_admin_permission( ent, ADMF_NO_CHAT ) )
+      client->pers.muted = qtrue;
+
+    // name can change between ClientConnect() and ClientBegin()
+    G_admin_namelog_update( client, qfalse );
+
+    // request the clients PTR code
+    trap_SendServerCommand( ent - g_entities, "ptrcrequest" );
+  }
+  G_LogPrintf( "ClientBegin: %i\n", clientNum );
+
+  if( g_clientUpgradeNotice.integer )
+  {
+    if( !Q_stricmp( ent->client->pers.guid, "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" ) )
+    {
+      trap_SendServerCommand( client->ps.clientNum, va( "print \"^3Your client is out of date. Updating your client will allow you to "
+          "become an admin on servers and download maps much more quickly. Please replace your client executable with a newer client. \n\"" ) );
+
+      trap_SendServerCommand( client->ps.clientNum, va("print \"^3Some available clients: \n"
+          "^2TremFusion^7- ^3http://www.tremfusion.net/download/^7\n"
+          "^2FSM-Trem^7 - ^3http://code.google.com/p/fsm-trem/^7\n"
+          "^2MGClient^7 - ^3http://releases.mercenariesguild.net/client/^7\n\"" ) );
+    }
+  }
+
+  // count current clients and rank for scoreboard
+  CalculateRanks( );
+}
+
+/*
+===========
+ClientSpawn
+
+Called every time a client is placed fresh in the world:
+after the first ClientBegin, and after each respawn
+Initializes all non-persistant parts of playerState
+============
+*/
+void ClientSpawn( gentity_t *ent, gentity_t *spawn, vec3_t origin, vec3_t angles )
+{
+  int                 index;
+  vec3_t              spawn_origin, spawn_angles;
+  gclient_t           *client;
+  int                 i;
+  clientPersistant_t  saved;
+  clientSession_t     savedSess;
+  int                 persistant[ MAX_PERSISTANT ];
+  gentity_t           *spawnPoint = NULL;
+  int                 flags;
+  int                 savedPing;
+  int                 teamLocal;
+  int                 eventSequence;
+  char                userinfo[ MAX_INFO_STRING ];
+  vec3_t              up = { 0.0f, 0.0f, 1.0f };
+  int                 maxAmmo, maxClips;
+  weapon_t            weapon;
+
+
+  index = ent - g_entities;
+  client = ent->client;
+
+  teamLocal = client->pers.teamSelection;
+
+  //TA: only start client if chosen a class and joined a team
+  if( client->pers.classSelection == PCL_NONE && teamLocal == PTE_NONE )
+  {
+    client->sess.sessionTeam = TEAM_SPECTATOR;
+    client->sess.spectatorState = SPECTATOR_FREE;
+  }
+  else if( client->pers.classSelection == PCL_NONE )
+  {
+    client->sess.sessionTeam = TEAM_SPECTATOR;
+    client->sess.spectatorState = SPECTATOR_LOCKED;
+  }
+  
+  //if client is dead and following teammate, stop following before spawning
+  if(ent->client->sess.spectatorClient!=-1)
+  {
+    ent->client->sess.spectatorClient = -1;
+    ent->client->sess.spectatorState = SPECTATOR_FREE;
+  }
+
+  if( origin != NULL )
+    VectorCopy( origin, spawn_origin );
+
+  if( angles != NULL )
+    VectorCopy( angles, spawn_angles );
+
+  // find a spawn point
+  // do it before setting health back up, so farthest
+  // ranging doesn't count this client
+  if( client->sess.sessionTeam == TEAM_SPECTATOR )
+  {
+    if( teamLocal == PTE_NONE )
+      spawnPoint = G_SelectSpectatorSpawnPoint( spawn_origin, spawn_angles );
+    else if( teamLocal == PTE_ALIENS )
+      spawnPoint = G_SelectAlienLockSpawnPoint( spawn_origin, spawn_angles );
+    else if( teamLocal == PTE_HUMANS )
+      spawnPoint = G_SelectHumanLockSpawnPoint( spawn_origin, spawn_angles );
+  }
+  else
+  {
+    if( spawn == NULL )
+    {
+      G_Error( "ClientSpawn: spawn is NULL\n" );
+      return;
+    }
+
+    spawnPoint = spawn;
+
+    if( ent != spawn )
+    {
+      //start spawn animation on spawnPoint
+      G_SetBuildableAnim( spawnPoint, BANIM_SPAWN1, qtrue );
+
+      if( spawnPoint->biteam == PTE_ALIENS )
+        spawnPoint->clientSpawnTime = ALIEN_SPAWN_REPEAT_TIME;
+      else if( spawnPoint->biteam == PTE_HUMANS )
+        spawnPoint->clientSpawnTime = HUMAN_SPAWN_REPEAT_TIME;
+    }
+  }
+  client->pers.teamState.state = TEAM_ACTIVE;
+
+  // toggle the teleport bit so the client knows to not lerp
+  flags = ent->client->ps.eFlags & ( EF_TELEPORT_BIT | EF_VOTED | EF_TEAMVOTED );
+  flags ^= EF_TELEPORT_BIT;
+  G_UnlaggedClear( ent );
+
+  // clear everything but the persistant data
+
+  saved = client->pers;
+  savedSess = client->sess;
+  savedPing = client->ps.ping;
+
+  for( i = 0; i < MAX_PERSISTANT; i++ )
+    persistant[ i ] = client->ps.persistant[ i ];
+
+  eventSequence = client->ps.eventSequence;
+  memset( client, 0, sizeof( *client ) );
+
+  client->pers = saved;
+  client->sess = savedSess;
+  client->ps.ping = savedPing;
+  client->lastkilled_client = -1;
+
+  for( i = 0; i < MAX_PERSISTANT; i++ )
+    client->ps.persistant[ i ] = persistant[ i ];
+
+  client->ps.eventSequence = eventSequence;
+
+  // increment the spawncount so the client will detect the respawn
+  client->ps.persistant[ PERS_SPAWN_COUNT ]++;
+  client->ps.persistant[ PERS_TEAM ] = client->sess.sessionTeam;
+
+  // restore really persistant things
+  client->ps.persistant[ PERS_SCORE ] = client->pers.score;
+  client->ps.persistant[ PERS_CREDIT ] = client->pers.credit;
+
+  client->airOutTime = level.time + 12000;
+
+  trap_GetUserinfo( index, userinfo, sizeof( userinfo ) );
+  client->ps.eFlags = flags;
+
+  //Com_Printf( "ent->client->pers->pclass = %i\n", ent->client->pers.classSelection );
+
+  ent->s.groundEntityNum = ENTITYNUM_NONE;
+  ent->client = &level.clients[ index ];
+  ent->takedamage = qtrue;
+  ent->inuse = qtrue;
+  ent->classname = "player";
+  ent->r.contents = CONTENTS_BODY;
+  ent->clipmask = MASK_PLAYERSOLID;
+  ent->die = player_die;
+  ent->waterlevel = 0;
+  ent->watertype = 0;
+  ent->flags = 0;
+
+  //TA: calculate each client's acceleration
+  ent->evaluateAcceleration = qtrue;
+
+  client->ps.stats[ STAT_WEAPONS ] = 0;
+  client->ps.stats[ STAT_WEAPONS2 ] = 0;
+  client->ps.stats[ STAT_SLOTS ] = 0;
+
+  client->ps.eFlags = flags;
+  client->ps.clientNum = index;
+
+  BG_FindBBoxForClass( ent->client->pers.classSelection, ent->r.mins, ent->r.maxs, NULL, NULL, NULL );
+
+  if( client->sess.sessionTeam != TEAM_SPECTATOR )
+    client->pers.maxHealth = client->ps.stats[ STAT_MAX_HEALTH ] =
+      BG_FindHealthForClass( ent->client->pers.classSelection );
+  else
+    client->pers.maxHealth = client->ps.stats[ STAT_MAX_HEALTH ] = 100;
+
+  // clear entity values
+  if( ent->client->pers.classSelection == PCL_HUMAN )
+  {
+    BG_AddWeaponToInventory( WP_BLASTER, client->ps.stats );
+    BG_AddUpgradeToInventory( UP_MEDKIT, client->ps.stats );
+    weapon = client->pers.humanItemSelection;
+  }
+  else if( client->sess.sessionTeam != TEAM_SPECTATOR )
+    weapon = BG_FindStartWeaponForClass( ent->client->pers.classSelection );
+  else
+    weapon = WP_NONE;
+
+  BG_FindAmmoForWeapon( weapon, &maxAmmo, &maxClips );
+  BG_AddWeaponToInventory( weapon, client->ps.stats );
+  BG_PackAmmoArray( weapon, client->ps.ammo, client->ps.powerups, maxAmmo, maxClips );
+
+  ent->client->ps.stats[ STAT_PCLASS ] = ent->client->pers.classSelection;
+  ent->client->ps.stats[ STAT_PTEAM ] = ent->client->pers.teamSelection;
+
+  ent->client->ps.stats[ STAT_BUILDABLE ] = BA_NONE;
+  ent->client->ps.stats[ STAT_STATE ] = 0;
+  VectorSet( ent->client->ps.grapplePoint, 0.0f, 0.0f, 1.0f );
+
+  // health will count down towards max_health
+  ent->health = client->ps.stats[ STAT_HEALTH ] = client->ps.stats[ STAT_MAX_HEALTH ]; //* 1.25;
+
+  //if evolving scale health
+  if( ent == spawn )
+  {
+    ent->health *= ent->client->pers.evolveHealthFraction;
+    client->ps.stats[ STAT_HEALTH ] *= ent->client->pers.evolveHealthFraction;
+  }
+
+  //clear the credits array
+  for( i = 0; i < MAX_CLIENTS; i++ )
+    ent->credits[ i ] = 0;
+
+  client->ps.stats[ STAT_STAMINA ] = MAX_STAMINA;
+
+  if( mod_jetpackFuel.value >= 10.0f ) {
+    client->jetpackfuel = mod_jetpackFuel.value;
+  }
+
+  G_SetOrigin( ent, spawn_origin );
+  VectorCopy( spawn_origin, client->ps.origin );
+
+#define UP_VEL  150.0f
+#define F_VEL   50.0f
+
+  //give aliens some spawn velocity
+  if( client->sess.sessionTeam != TEAM_SPECTATOR &&
+      client->ps.stats[ STAT_PTEAM ] == PTE_ALIENS )
+  {
+    if( ent == spawn )
+    {
+      //evolution particle system
+      G_AddPredictableEvent( ent, EV_ALIEN_EVOLVE, DirToByte( up ) );
+    }
+    else
+    {
+      spawn_angles[ YAW ] += 180.0f;
+      AngleNormalize360( spawn_angles[ YAW ] );
+
+      if( spawnPoint->s.origin2[ 2 ] > 0.0f )
+      {
+        vec3_t  forward, dir;
+
+        AngleVectors( spawn_angles, forward, NULL, NULL );
+        VectorScale( forward, F_VEL, forward );
+        VectorAdd( spawnPoint->s.origin2, forward, dir );
+        VectorNormalize( dir );
+
+        VectorScale( dir, UP_VEL, client->ps.velocity );
+      }
+
+      G_AddPredictableEvent( ent, EV_PLAYER_RESPAWN, 0 );
+    }
+  }
+  else if( client->sess.sessionTeam != TEAM_SPECTATOR &&
+           client->ps.stats[ STAT_PTEAM ] == PTE_HUMANS )
+  {
+    spawn_angles[ YAW ] += 180.0f;
+    AngleNormalize360( spawn_angles[ YAW ] );
+  }
+
+  // the respawned flag will be cleared after the attack and jump keys come up
+  client->ps.pm_flags |= PMF_RESPAWNED;
+
+  trap_GetUsercmd( client - level.clients, &ent->client->pers.cmd );
+  G_SetClientViewAngle( ent, spawn_angles );
+
+  if( !( client->sess.sessionTeam == TEAM_SPECTATOR ) )
+  {
+    /*G_KillBox( ent );*/ //blame this if a newly spawned client gets stuck in another
+    trap_LinkEntity( ent );
+
+    // force the base weapon up
+    client->ps.weapon = WP_NONE;
+    client->ps.weaponstate = WEAPON_READY;
+  }
+
+  // don't allow full run speed for a bit
+  client->ps.pm_flags |= PMF_TIME_KNOCKBACK;
+  client->ps.pm_time = 100;
+
+  client->respawnTime = level.time;
+  client->lastKillTime = level.time;
+
+  client->inactivityTime = level.time + g_inactivity.integer * 1000;
+  client->latched_buttons = 0;
+
+  // set default animations
+  client->ps.torsoAnim = TORSO_STAND;
+  client->ps.legsAnim = LEGS_IDLE;
+
+  if( level.intermissiontime )
+    MoveClientToIntermission( ent );
+  else
+  {
+    // fire the targets of the spawn point
+    if( !spawn )
+      G_UseTargets( spawnPoint, ent );
+
+    // select the highest weapon number available, after any
+    // spawn given items have fired
+    client->ps.weapon = 1;
+
+    for( i = WP_NUM_WEAPONS - 1; i > 0 ; i-- )
+    {
+      if( BG_InventoryContainsWeapon( i, client->ps.stats ) )
+      {
+        client->ps.weapon = i;
+        break;
+      }
+    }
+  }
+
+  // run a client frame to drop exactly to the floor,
+  // initialize animations and other things
+  client->ps.commandTime = level.time - 100;
+  ent->client->pers.cmd.serverTime = level.time;
+  ClientThink( ent-g_entities );
+
+  // positively link the client, even if the command times are weird
+  if( client->sess.sessionTeam != TEAM_SPECTATOR )
+  {
+    BG_PlayerStateToEntityState( &client->ps, &ent->s, qtrue );
+    VectorCopy( ent->client->ps.origin, ent->r.currentOrigin );
+    trap_LinkEntity( ent );
+  }
+
+  //TA: must do this here so the number of active clients is calculated
+  CalculateRanks( );
+
+  // run the presend to set anything else
+  ClientEndFrame( ent );
+
+  // clear entity state values
+  BG_PlayerStateToEntityState( &client->ps, &ent->s, qtrue );
+}
+
+
+/*
+===========
+ClientDisconnect
+
+Called when a player drops from the server.
+Will not be called between levels.
+
+This should NOT be called directly by any game logic,
+call trap_DropClient(), which will call this and do
+server system housekeeping.
+============
+*/
+void ClientDisconnect( int clientNum )
+{
+  gentity_t *ent;
+  gentity_t *tent;
+  int       i;
+  buildHistory_t *ptr;
+
+  ent = g_entities + clientNum;
+
+  if( !ent->client )
+    return;
+
+  // look through the bhist and readjust it if the referenced ent has left
+  for( ptr = level.buildHistory; ptr; ptr = ptr->next )
+  {
+    if( ptr->ent == ent )
+    {
+      ptr->ent = NULL;
+      Q_strncpyz( ptr->name, ent->client->pers.netname, MAX_NETNAME );
+    }
+  }
+  
+  if ( ent->client->sess.invisible != qtrue )
+    G_admin_namelog_update( ent->client, qtrue );
+  G_LeaveTeam( ent );
+
+  // stop any following clients
+  for( i = 0; i < level.maxclients; i++ )
+  {
+    // remove any /ignore settings for this clientNum
+    BG_ClientListRemove( &level.clients[ i ].sess.ignoreList, clientNum );
+  }
+
+  // send effect if they were completely connected
+  if( ent->client->pers.connected == CON_CONNECTED &&
+      ent->client->sess.sessionTeam != TEAM_SPECTATOR )
+  {
+    tent = G_TempEntity( ent->client->ps.origin, EV_PLAYER_TELEPORT_OUT );
+    tent->s.clientNum = ent->s.clientNum;
+  }
+
+  if( ent->client->pers.connection )
+    ent->client->pers.connection->clientNum = -1;
+
+  G_LogPrintf( "ClientDisconnect: %i [%s] (%s) \"%s\"\n", clientNum,
+   ent->client->pers.ip, ent->client->pers.guid, ent->client->pers.netname );
+
+  trap_UnlinkEntity( ent );
+  ent->s.modelindex = 0;
+  ent->inuse = qfalse;
+  ent->classname = "disconnected";
+  ent->client->pers.connected = CON_DISCONNECTED;
+  ent->client->ps.persistant[ PERS_TEAM ] = TEAM_FREE;
+  ent->client->sess.sessionTeam = TEAM_FREE;
+
+  trap_SetConfigstring( CS_PLAYERS + clientNum, "");
+
+  CalculateRanks( );
+}