openmohaa/code/fgame/g_active.cpp

/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.

This file is part of Quake III Arena source code.

Quake III Arena source code 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.

Quake III Arena source code 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 Quake III Arena source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/
//

#include "g_local.h"
#include "entity.h"
#include "game.h"

// FIXME: OLD Q3 CODE
#if 0

/*
===============
G_DamageFeedback

Called just before a snapshot is sent to the given player.
Totals up all damage and generates both the player_state_t
damage values to that client for pain blends and kicks, and
global pain sound events for all clients.
===============
*/
void P_DamageFeedback( gentity_t *player ) {
	gclient_t	*client;
	float	count;
	vec3_t	angles;

	client = player->client;
	if ( client->ps.pm_type == PM_DEAD ) {
		return;
	}

	// total points of damage shot at the player this frame
	count = client->damage_blood + client->damage_armor;
	if ( count == 0 ) {
		return;		// didn't take any damage
	}

	if ( count > 255 ) {
		count = 255;
	}

	// send the information to the client

	//// world damage (falling, slime, etc) uses a special code
	//// to make the blend blob centered instead of positional
	//if ( client->damage_fromWorld ) {
	//	client->ps.damagePitch = 255;
	//	client->ps.damageYaw = 255;

	//	client->damage_fromWorld = qfalse;
	//} else {
	//	vectoangles( client->damage_from, angles );
	//	client->ps.damagePitch = angles[PITCH]/360.0 * 256;
	//	client->ps.damageYaw = angles[YAW]/360.0 * 256;
	//}

	// play an apropriate pain sound
	if ( (level.time > player->pain_debounce_time) && !(player->flags & FL_GODMODE) ) {
		player->pain_debounce_time = level.time + 700;
		//G_AddEvent( player, EV_PAIN, player->health );
		//client->ps.damageEvent++;
	}


//	client->ps.damageCount = count;

	//
	// clear totals
	//
	client->damage_blood = 0;
	client->damage_armor = 0;
	client->damage_knockback = 0;
}



/*
=============
P_WorldEffects

Check for lava / slime contents and drowning
=============
*/
void P_WorldEffects( gentity_t *ent ) {
	qboolean	envirosuit;
	int			waterlevel;

	if ( ent->client->noclip ) {
		ent->client->airOutTime = level.time + 12000;	// don't need air
		return;
	}

	waterlevel = ent->waterlevel;

//	envirosuit = ent->client->ps.powerups[PW_BATTLESUIT] > level.time;

	//
	// check for drowning
	//
	if ( waterlevel == 3 ) {
		// envirosuit give air
		//if ( envirosuit ) {
		//	ent->client->airOutTime = level.time + 10000;
		//}

		// if out of air, start drowning
		if ( ent->client->airOutTime < level.time) {
			// drown!
			ent->client->airOutTime += 1000;
			if ( ent->health > 0 ) {
				// take more damage the longer underwater
				ent->damage += 2;
				if (ent->damage > 15)
					ent->damage = 15;

				// play a gurp sound instead of a normal pain sound
				if (ent->health <= ent->damage) {
					G_Sound(ent, CHAN_VOICE, G_SoundIndex("*drown.wav"));
				} else if (rand()&1) {
					G_Sound(ent, CHAN_VOICE, G_SoundIndex("sound/player/gurp1.wav"));
				} else {
					G_Sound(ent, CHAN_VOICE, G_SoundIndex("sound/player/gurp2.wav"));
				}

				// don't play a normal pain sound
				ent->pain_debounce_time = level.time + 200;

				G_Damage (ent, NULL, NULL, NULL, NULL,
					ent->damage, DAMAGE_NO_ARMOR, MOD_WATER);
			}
		}
	} else {
		ent->client->airOutTime = level.time + 12000;
		ent->damage = 2;
	}

	//
	// check for sizzle damage (move to pmove?)
	//
	if (waterlevel &&
		(ent->watertype&(CONTENTS_LAVA|CONTENTS_SLIME)) ) {
		if (ent->health > 0
			&& ent->pain_debounce_time <= level.time	) {

			if ( envirosuit ) {
//				G_AddEvent( ent, EV_POWERUP_BATTLESUIT, 0 );
			} else {
				if (ent->watertype & CONTENTS_LAVA) {
					G_Damage (ent, NULL, NULL, NULL, NULL,
						30*waterlevel, 0, MOD_LAVA);
				}

				if (ent->watertype & CONTENTS_SLIME) {
					G_Damage (ent, NULL, NULL, NULL, NULL,
						10*waterlevel, 0, MOD_SLIME);
				}
			}
		}
	}
}

/*
==============
ClientThink

This will be called once for each client frame, which will
usually be a couple times for each server frame on fast clients.

If "g_synchronousClients 1" is set, this will be called exactly
once for each server frame, which makes for smooth demo recording.
==============
*/
void ClientThink_real( gentity_t *ent ) {
	gclient_t	*client;
	pmove_t		pm;
	int			msec;
	usercmd_t	*ucmd;

	try
	{
		if( ent->entity )
		{
			current_ucmd = &ent->client->pers.cmd;
			ent->entity->ProcessEvent( EV_ClientMove );
			current_ucmd = NULL;
		}
	}

	catch( const char *error )
	{
		G_ExitWithError( error );
	}

	return;

	client = ent->client;

	// don't think if the client is not yet connected (and thus not yet spawned in)
	if (client->pers.connected != CON_CONNECTED) {
		return;
	}
	// mark the time, so the connection sprite can be removed
	ucmd = &ent->client->pers.cmd;

	// sanity check the command time to prevent speedup cheating
	if ( ucmd->serverTime > level.time + 200 ) {
		ucmd->serverTime = level.time + 200;
//		G_Printf("serverTime <<<<<\n" );
	}
	if ( ucmd->serverTime < level.time - 1000 ) {
		ucmd->serverTime = level.time - 1000;
//		G_Printf("serverTime >>>>>\n" );
	}

	msec = ucmd->serverTime - client->ps.commandTime;
	// following others may result in bad times, but we still want
	// to check for follow toggles
	if ( msec < 1 && client->sess.spectatorState != SPECTATOR_FOLLOW ) {
		return;
	}
	if ( msec > 200 ) {
		msec = 200;
	}

	if ( pmove_msec.integer < 8 ) {
		gi.cvar_set("pmove_msec", "8");
	}
	else if (pmove_msec.integer > 33) {
		gi.cvar_set("pmove_msec", "33");
	}

	if ( pmove_fixed.integer || client->pers.pmoveFixed ) {
		ucmd->serverTime = ((ucmd->serverTime + pmove_msec.integer-1) / pmove_msec.integer) * pmove_msec.integer;
		//if (ucmd->serverTime - client->ps.commandTime <= 0)
		//	return;
	}

	//
	// check for exiting intermission
	//
	if ( level.intermissiontime ) {
		ClientIntermissionThink( client );
		return;
	}

	// spectators don't do much
	/*if ( client->sess.sessionTeam == TEAM_SPECTATOR ) {
		if ( client->sess.spectatorState == SPECTATOR_SCOREBOARD ) {
			return;
		}
		SpectatorThink( ent, ucmd );
		return;
	}*/

	// check for inactivity timer, but never drop the local client of a non-dedicated server
	if ( !ClientInactivityTimer( client ) ) {
		return;
	}

	if ( client->noclip ) {
		client->ps.pm_type = PM_NOCLIP;
	} else if ( client->ps.stats[STAT_HEALTH] <= 0 ) {
		client->ps.pm_type = PM_DEAD;
	} else {
		client->ps.pm_type = PM_NORMAL;
	}

	client->ps.gravity = sv_gravity->value;

	// set speed
	client->ps.speed = sv_runspeed->value;

#ifdef MISSIONPACK
	if( bg_itemlist[client->ps.stats[STAT_PERSISTANT_POWERUP]].giTag == PW_SCOUT ) {
		client->ps.speed *= 1.5;
	}
	else
#endif
	
	memset (&pm, 0, sizeof(pm));

	if ( ent->flags & FL_FORCE_GESTURE ) {
		ent->flags &= ~FL_FORCE_GESTURE;
		ent->client->pers.cmd.buttons |= BUTTON_GESTURE;
	}

#ifdef MISSIONPACK
	// check for invulnerability expansion before doing the Pmove
	if (client->ps.powerups[PW_INVULNERABILITY] ) {
		if ( !(client->ps.pm_flags & PMF_INVULEXPAND) ) {
			vec3_t mins = { -42, -42, -42 };
			vec3_t maxs = { 42, 42, 42 };
			vec3_t oldmins, oldmaxs;

			VectorCopy (ent->r.mins, oldmins);
			VectorCopy (ent->r.maxs, oldmaxs);
			// expand
			VectorCopy (mins, ent->r.mins);
			VectorCopy (maxs, ent->r.maxs);
			gi.LinkEntity(ent);
			// check if this would get anyone stuck in this player
			if ( !StuckInOtherClient(ent) ) {
				// set flag so the expanded size will be set in PM_CheckDuck
				client->ps.pm_flags |= PMF_INVULEXPAND;
			}
			// set back
			VectorCopy (oldmins, ent->r.mins);
			VectorCopy (oldmaxs, ent->r.maxs);
			gi.LinkEntity(ent);
		}
	}
#endif

	pm.ps = &client->ps;
	pm.cmd = *ucmd;
	if ( pm.ps->pm_type == PM_DEAD ) {
		pm.tracemask = MASK_PLAYERSOLID & ~CONTENTS_BODY;
	}
	else if ( ent->r.svFlags & SVF_BOT ) {
		pm.tracemask = MASK_PLAYERSOLID | CONTENTS_BOTCLIP;
	}
	else {
		pm.tracemask = MASK_PLAYERSOLID;
	}
	pm.trace = gi.trace;
	pm.pointcontents = gi.pointcontents;
	pm.debugLevel = g_debugMove.integer;
	pm.noFootsteps = ( dmflags->integer & DF_NO_FOOTSTEPS ) > 0;

	pm.pmove_fixed = pmove_fixed.integer | client->pers.pmoveFixed;
	pm.pmove_msec = pmove_msec.integer;

	VectorCopy( client->ps.origin, client->oldOrigin );

#ifdef MISSIONPACK
		if (level.intermissionQueued != 0 && g_singlePlayer.integer) {
			if ( level.time - level.intermissionQueued >= 1000  ) {
				pm.cmd.buttons = 0;
				pm.cmd.forwardmove = 0;
				pm.cmd.rightmove = 0;
				pm.cmd.upmove = 0;
				if ( level.time - level.intermissionQueued >= 2000 && level.time - level.intermissionQueued <= 2500 ) {
					gi.SendConsoleCommand( EXEC_APPEND, "centerview\n");
				}
				ent->client->ps.pm_type = PM_SPINTERMISSION;
			}
		}
		Pmove (&pm);
#else
		Pmove (&pm);
#endif

	// save results of pmove
	if (g_smoothClients.integer) {
		BG_PlayerStateToEntityStateExtraPolate( &ent->client->ps, &ent->s, ent->client->ps.commandTime, qtrue );
	}
	else {
		BG_PlayerStateToEntityState( &ent->client->ps, &ent->s, qtrue );
	}
//	SendPendingPredictableEvents( &ent->client->ps );

	//if ( !( ent->client->ps.eFlags & EF_FIRING ) ) {
	//	client->fireHeld = qfalse;		// for grapple
	//}

	// use the snapped origin for linking so it matches client predicted versions
	VectorCopy( ent->s.origin, ent->r.currentOrigin );

	VectorCopy (pm.mins, ent->r.mins);
	VectorCopy (pm.maxs, ent->r.maxs);

	ent->waterlevel = pm.waterlevel;
	ent->watertype = pm.watertype;

	// link entity now, after any personal teleporters have been used
	gi.LinkEntity (ent);
	if ( !ent->client->noclip ) {
		G_TouchTriggers( ent );
	}

	// NOTE: now copy the exact origin over otherwise clients can be snapped into solid
	VectorCopy( ent->client->ps.origin, ent->r.currentOrigin );

	//test for solid areas in the AAS file
	//BotTestAAS(ent->r.currentOrigin);

	// touch other objects
	ClientImpacts( ent, &pm );

	// swap and latch button actions
	client->oldbuttons = client->buttons;
	client->buttons = ucmd->buttons;
	client->latched_buttons |= client->buttons & ~client->oldbuttons;

	// check for respawning
	if ( client->ps.stats[STAT_HEALTH] <= 0 ) {
		// wait for the attack button to be pressed
		if ( level.time > client->respawnTime ) {
			// forcerespawn is to prevent users from waiting out powerups
			if ( g_forcerespawn.integer > 0 &&
				( level.time - client->respawnTime ) > g_forcerespawn.integer * 1000 ) {
				respawn( ent );
				return;
			}

			// pressing attack or use is the normal respawn method
			if ( ucmd->buttons & ( BUTTON_ATTACK | BUTTON_USE ) ) {
				respawn( ent );
			}
		}
		return;
	}

	if(client->buttons & BUTTON_USE) {
		ClientUse(ent);
	} else {
		ent->lastUseEntity = ENTITYNUM_NONE;
	}

	// perform once-a-second actions
	ClientTimerActions( ent, msec );
}

void G_RunClient( gentity_t *ent ) {
	if ( !(ent->r.svFlags & SVF_BOT) && !g_synchronousClients.integer ) {
		return;
	}
	ent->client->pers.cmd.serverTime = level.time;
	ClientThink_real( ent );
}


/*
==============
ClientEndFrame

Called at the end of each server frame for each connected client
A fast client will have multiple ClientThink for each ClientEdFrame,
while a slow client may have multiple ClientEndFrame between ClientThink.
==============
*/
void ClientEndFrame( gentity_t *ent ) {
	int			i;
	clientPersistant_t	*pers;

	if ( ent->client->sess.sessionTeam == TEAM_SPECTATOR ) {
		SpectatorClientEndFrame( ent );
		return;
	}

	pers = &ent->client->pers;

	// turn off any expired powerups
	//for ( i = 0 ; i < MAX_POWERUPS ; i++ ) {
	//	if ( ent->client->ps.powerups[ i ] < level.time ) {
	//		ent->client->ps.powerups[ i ] = 0;
	//	}
	//}

#ifdef MISSIONPACK
	// set powerup for player animation
	if( bg_itemlist[ent->client->ps.stats[STAT_PERSISTANT_POWERUP]].giTag == PW_GUARD ) {
		ent->client->ps.powerups[PW_GUARD] = level.time;
	}
	if( bg_itemlist[ent->client->ps.stats[STAT_PERSISTANT_POWERUP]].giTag == PW_SCOUT ) {
		ent->client->ps.powerups[PW_SCOUT] = level.time;
	}
	if( bg_itemlist[ent->client->ps.stats[STAT_PERSISTANT_POWERUP]].giTag == PW_DOUBLER ) {
		ent->client->ps.powerups[PW_DOUBLER] = level.time;
	}
	if( bg_itemlist[ent->client->ps.stats[STAT_PERSISTANT_POWERUP]].giTag == PW_AMMOREGEN ) {
		ent->client->ps.powerups[PW_AMMOREGEN] = level.time;
	}
	if ( ent->client->invulnerabilityTime > level.time ) {
		ent->client->ps.powerups[PW_INVULNERABILITY] = level.time;
	}
#endif

	// save network bandwidth
#if 0
	if ( !g_synchronousClients->integer && ent->client->ps.pm_type == PM_NORMAL ) {
		// FIXME: this must change eventually for non-sync demo recording
		VectorClear( ent->client->ps.viewangles );
	}
#endif

	//
	// If the end of unit layout is displayed, don't give
	// the player any normal movement attributes
	//
	if ( level.intermissiontime ) {
		return;
	}

	// burn from lava, etc
	P_WorldEffects (ent);

	// apply all the damage taken this frame
	P_DamageFeedback (ent);

	// add the EF_CONNECTION flag if we haven't gotten commands recently
	if ( level.time - ent->client->lastCmdTime > 1000 ) {
		ent->s.eFlags |= EF_CONNECTION;
	} else {
		ent->s.eFlags &= ~EF_CONNECTION;
	}

	ent->client->ps.stats[STAT_HEALTH] = ent->health;	// FIXME: get rid of ent->health...

	G_SetClientSound (ent);

	// set the latest infor
	if (g_smoothClients.integer) {
		BG_PlayerStateToEntityStateExtraPolate( &ent->client->ps, &ent->s, ent->client->ps.commandTime, qtrue );
	}
	else {
		BG_PlayerStateToEntityState( &ent->client->ps, &ent->s, qtrue );
	}
	SendPendingPredictableEvents( &ent->client->ps );

	// set the bit for the reachability area the client is currently in
//	i = GBot_AAS_PointReachabilityAreaIndex( ent->client->ps.origin );
//	ent->client->areabits[i >> 3] |= 1 << (i & 7);
}

/*
==============
ClientImpacts
==============
*/
void ClientImpacts( gentity_t *ent, pmove_t *pm ) {
	int		i, j;
	trace_t	trace;
	gentity_t	*other;

	memset( &trace, 0, sizeof( trace ) );
	for (i=0 ; i<pm->numtouch ; i++) {
		for (j=0 ; j<i ; j++) {
			if (pm->touchents[j] == pm->touchents[i] ) {
				break;
			}
		}
		if (j != i) {
			continue;	// duplicated
		}
		other = &g_entities[ pm->touchents[i] ];

		if ( ( ent->r.svFlags & SVF_BOT ) && ( ent->touch ) ) {
			ent->touch( ent, other, &trace );
		}

		if ( !other->touch ) {
			continue;
		}

		other->touch( other, ent, &trace );
	}

}

/*
=================
ClientInactivityTimer

Returns qfalse if the client is dropped
=================
*/
qboolean ClientInactivityTimer( gclient_t *client ) {
	if ( ! g_inactivity.integer ) {
		// give everyone some time, so if the operator sets g_inactivity during
		// gameplay, everyone isn't kicked
		client->inactivityTime = level.time + 60 * 1000;
		client->inactivityWarning = qfalse;
	} else if ( client->pers.cmd.forwardmove ||
		client->pers.cmd.rightmove ||
		client->pers.cmd.upmove ||
		(client->pers.cmd.buttons & BUTTON_ATTACK) ) {
		client->inactivityTime = level.time + g_inactivity.integer * 1000;
		client->inactivityWarning = qfalse;
	} else if ( !client->pers.localClient ) {
		if ( level.time > client->inactivityTime ) {
			gi.DropClient( client - game.clients, "Dropped due to inactivity" );
			return qfalse;
		}
		if ( level.time > client->inactivityTime - 10000 && !client->inactivityWarning ) {
			client->inactivityWarning = qtrue;
			gi.SendServerCommand( client - game.clients, "cp \"Ten seconds until inactivity drop!\n\"" );
		}
	}
	return qtrue;
}

/*
==================
ClientTimerActions

Actions that happen once a second
==================
*/
void ClientTimerActions( gentity_t *ent, int msec ) {
	gclient_t	*client;
#ifdef MISSIONPACK
	int			maxHealth;
#endif

	client = ent->client;
	client->timeResidual += msec;

	while ( client->timeResidual >= 1000 ) {
		client->timeResidual -= 1000;


		{
			// count down health when over max
			if ( ent->health > client->ps.stats[STAT_MAX_HEALTH] ) {
				ent->health--;
			}
		}

		// count down armor when over max
//		if ( client->ps.stats[STAT_ARMOR] > client->ps.stats[STAT_MAX_HEALTH] ) {
//			client->ps.stats[STAT_ARMOR]--;
//		}
	}
#ifdef MISSIONPACK
	if( bg_itemlist[client->ps.stats[STAT_PERSISTANT_POWERUP]].giTag == PW_AMMOREGEN ) {
		int w, max, inc, t, i;
    int weapList[]={WP_MACHINEGUN,WP_SHOTGUN,WP_GRENADE_LAUNCHER,WP_ROCKET_LAUNCHER,WP_LIGHTNING,WP_RAILGUN,WP_PLASMAGUN,WP_BFG,WP_NAILGUN,WP_PROX_LAUNCHER,WP_CHAINGUN};
    int weapCount = sizeof(weapList) / sizeof(int);
		//
    for (i = 0; i < weapCount; i++) {
		  w = weapList[i];

		  switch(w) {
			  case WP_MACHINEGUN: max = 50; inc = 4; t = 1000; break;
			  case WP_SHOTGUN: max = 10; inc = 1; t = 1500; break;
			  case WP_GRENADE_LAUNCHER: max = 10; inc = 1; t = 2000; break;
			  case WP_ROCKET_LAUNCHER: max = 10; inc = 1; t = 1750; break;
			  case WP_LIGHTNING: max = 50; inc = 5; t = 1500; break;
			  case WP_RAILGUN: max = 10; inc = 1; t = 1750; break;
			  case WP_PLASMAGUN: max = 50; inc = 5; t = 1500; break;
			  case WP_BFG: max = 10; inc = 1; t = 4000; break;
			  case WP_NAILGUN: max = 10; inc = 1; t = 1250; break;
			  case WP_PROX_LAUNCHER: max = 5; inc = 1; t = 2000; break;
			  case WP_CHAINGUN: max = 100; inc = 5; t = 1000; break;
			  default: max = 0; inc = 0; t = 1000; break;
		  }
		  client->ammoTimes[w] += msec;
		  if ( client->ps.ammo[w] >= max ) {
			  client->ammoTimes[w] = 0;
		  }
		  if ( client->ammoTimes[w] >= t ) {
			  while ( client->ammoTimes[w] >= t )
				  client->ammoTimes[w] -= t;
			  client->ps.ammo[w] += inc;
			  if ( client->ps.ammo[w] > max ) {
				  client->ps.ammo[w] = max;
			  }
		  }
    }
	}
#endif
}

/*
====================
ClientIntermissionThink
====================
*/
void ClientIntermissionThink( gclient_t *client ) {

}

/*
================
ClientUse
================
Does a trace and touches the entity hit.
*/
void ClientUse(gentity_t *ent) {
	trace_t		tr;
	vec3_t		forward, right, up;
	gentity_t	*other;
	vec3_t g_muzzle;

	// set aiming directions
	AngleVectors(ent->client->ps.viewangles, forward, right, up);
	CalcMuzzlePoint(ent, forward, right, up, g_muzzle);

	VectorMA(g_muzzle, 96.f, forward, right);
	gi.trace(&tr, g_muzzle, NULL, NULL, right, ent - g_entities, MASK_SOLID,0,false);

	if (tr.fraction == 1.f || tr.entityNum == ENTITYNUM_NONE || tr.entityNum == ENTITYNUM_WORLD) {
		ent->lastUseEntity = tr.entityNum;
		return;	// nothing interesting hit
	}
	other = g_entities + tr.entityNum;
	if (other->client) { // push them around
		// make the velocity lateral only so that they can't make others go over obstacles
		forward[2] = 0;
		VectorNormalize(forward);
		if (VectorLengthSquared(forward) < 1.f)
			return; // probably looking straight up or down, don't bother
		VectorMA(other->client->ps.velocity, 128.f, forward, other->client->ps.velocity);
		other->client->ps.velocity[2] += 16.f;	// nudge the velocity upwards so that it's not eaten immediately by ground friction
		return;
	}
	if(ent->lastUseEntity != tr.entityNum) {
		if (other->s.eType == ET_MOVER && other->splashDamage) {
			Use_BinaryMover(other, ent, ent);
		}
	}
	ent->lastUseEntity = tr.entityNum;
}

void BotTestSolid(vec3_t origin);

/*
==============
SendPendingPredictableEvents
==============
*/
void SendPendingPredictableEvents( playerState_t *ps ) {

}

/*
=================
SpectatorThink
=================
*/
void SpectatorThink( gentity_t *ent, usercmd_t *ucmd ) {
	pmove_t	pm;
	gclient_t	*client;

	client = ent->client;

	if ( client->sess.spectatorState != SPECTATOR_FOLLOW ) {
		client->ps.pm_type = PM_NOCLIP;
		client->ps.speed = sv_runspeed->value * 2.f;	// faster than normal

		// set up for pmove
		memset (&pm, 0, sizeof(pm));
		pm.ps = &client->ps;
		pm.cmd = *ucmd;
		pm.tracemask = MASK_PLAYERSOLID & ~CONTENTS_BODY;	// spectators can fly through bodies
		pm.trace = gi.trace;
		pm.pointcontents = gi.pointcontents;

		// perform a pmove
		Pmove (&pm);
		// save results of pmove
		VectorCopy( client->ps.origin, ent->s.origin );

		G_TouchTriggers( ent );
		gi.UnlinkEntity( ent );
	}

	client->oldbuttons = client->buttons;
	client->buttons = ucmd->buttons;

	// attack button cycles through spectators
	if ( ( client->buttons & BUTTON_ATTACK ) && ! ( client->oldbuttons & BUTTON_ATTACK ) ) {
		Cmd_FollowCycle_f( ent, 1 );
	}
}

/*
==================
SpectatorClientEndFrame

==================
*/
void SpectatorClientEndFrame( gentity_t *ent ) {
	gclient_t	*cl;

	// if we are doing a chase cam or a remote view, grab the latest info
	if ( ent->client->sess.spectatorState == SPECTATOR_FOLLOW ) {
		int		clientNum, flags;

		clientNum = ent->client->sess.spectatorClient;

		// team follow1 and team follow2 go to whatever clients are playing
		if ( clientNum == -1 ) {
			clientNum = level.follow1;
		} else if ( clientNum == -2 ) {
			clientNum = level.follow2;
		}
		if ( clientNum >= 0 ) {
			cl = &game.clients[ clientNum ];
			if ( cl->pers.connected == CON_CONNECTED && cl->sess.sessionTeam != TEAM_SPECTATOR ) {
			//	flags = (cl->ps.eFlags & ~(EF_VOTED | EF_TEAMVOTED)) | (ent->client->ps.eFlags & (EF_VOTED | EF_TEAMVOTED));
				ent->client->ps = cl->ps;
				ent->client->ps.pm_flags |= PMF_FOLLOW;
			//	ent->client->ps.eFlags = flags;
				return;
			} else 
			
			{
				// drop them to free spectators unless they are dedicated camera followers
				if ( ent->client->sess.spectatorClient >= 0 ) {
					ent->client->sess.spectatorState = SPECTATOR_FREE;
					G_ClientBegin( &g_entities[ ent->client - game.clients ], NULL );
				}
			}
		}
	}

	if ( ent->client->sess.spectatorState == SPECTATOR_SCOREBOARD ) {
		ent->client->ps.pm_flags |= PMF_SCOREBOARD;
	} else {
		ent->client->ps.pm_flags &= ~PMF_SCOREBOARD;
	}
}

#endif


/*
===============
G_SetClientSound
===============
*/
void G_SetClientSound( gentity_t *ent ) {
#ifdef MISSIONPACK
	if( ent->s.eFlags & EF_TICKING ) {
		ent->client->ps.loopSound = G_SoundIndex( "sound/weapons/proxmine/wstbtick.wav");
	}
	else
#endif
	//if (ent->waterlevel && (ent->watertype&(CONTENTS_LAVA|CONTENTS_SLIME)) ) {
	//	ent->client->ps.loopSound = level.snd_fry;
	//} else {
	//	ent->client->ps.loopSound = 0;
	//}
}



//==============================================================

/*
============
G_TouchTriggers

Find all trigger entities that ent's current position touches.
Spectators will only interact with teleporters.
============
*/
void	G_TouchTriggers( gentity_t *ent )
{
	int		i;
	int		num;
	int      touch[ MAX_GENTITIES ];
	gentity_t  *hit;
	Event		*ev;

	// dead things don't activate triggers!
	if( ( ent->client || ( ent->r.svFlags & SVF_MONSTER ) ) && ( ent->entity->health <= 0 ) )
	{
		return;
	}

	num = gi.AreaEntities( ent->r.absmin, ent->r.absmax, touch, MAX_GENTITIES );

	// be careful, it is possible to have an entity in this
	// list removed before we get to it (killtriggered)
	for( i = 0; i < num; i++ )
	{
		hit = &g_entities[ touch[ i ] ];
		if( !hit->inuse || ( hit->entity == ent->entity ) || ( hit->solid != SOLID_TRIGGER ) )
		{
			continue;
		}

		assert( hit->entity );

		// FIXME
		// should we post the events on the list with zero time
		ev = new Event( EV_Touch );
		ev->AddEntity( ent->entity );
		hit->entity->ProcessEvent( ev );
		hit->entity->Unregister( "touch" );
	}
}

/*
==================
ClientThink

A new command has arrived from the client
==================
*/
void G_ClientThink( gentity_t *ent, usercmd_t *cmd, usereyes_t *eyeinfo )
{
	try
	{
		if( ent->entity )
		{
			current_ucmd = cmd;
			current_eyeinfo = eyeinfo;
			ent->entity->ClientThink();
			current_ucmd = NULL;
			current_eyeinfo = NULL;
		}
	}

	catch( const char *error )
	{
		G_ExitWithError( error );
	}
}