openmohaa/code/fgame/g_utils.cpp

/*
===========================================================================
Copyright (C) 2023 the OpenMoHAA team

This file is part of OpenMoHAA source code.

OpenMoHAA 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.

OpenMoHAA 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 OpenMoHAA 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 "g_utils.h"
#include "ctype.h"
#include "world.h"
#include "scriptmaster.h"
#include "scriptthread.h"
#include "player.h"
#include "playerbot.h"
#include "PlayerStart.h"
#include "debuglines.h"
#include "../qcommon/tiki.h"

const char *means_of_death_strings[ MOD_TOTAL_NUMBER ] =
   {
	"none",
	"suicide",
	"crush",
	"crush_every_frame",
	"telefrag",
	"lava",
	"slime",
	"falling",
	"last_self_inflicted",
	"explosion",
	"explodewall",
	"electric",
	"electric_water",
	"thrown_object",
	"grenade",
	"beam",
	"rocket",
	"impact",
	"bullet",
	"fast_bullet",
	"vehicle",
	"fire",
	"flashbang",
	"on_fire",
	"gib",
	"impale",
	"bash",
	"shotgun",
	"aagun",
	"landmine"
   };

int MOD_string_to_int( const str& immune_string )
	{
	int i;

	for ( i = 0 ; i < MOD_TOTAL_NUMBER ; i++ )
		{
		if ( !immune_string.icmp( means_of_death_strings[ i ] ) )
			return i;
		}

	gi.DPrintf( "Unknown means of death - %s\n", immune_string.c_str() );
	return -1;
	}

qboolean MOD_matches
   ( 
   int incoming_damage, 
   int damage_type 
   )
	{
	if (damage_type == -1) {
		return true;
	}
	else {
		return incoming_damage == damage_type;
	}
	}

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

============
*/
void G_TouchTriggers
	(
	Entity *ent
	)

	{
	int		i;
	int		num;
	int      touch[ MAX_GENTITIES ];
	gentity_t  *hit;
	Event		*ev;

	// dead things don't activate triggers!
	if( ( ent->client || ( ent->edict->r.svFlags & SVF_MONSTER ) ) && ( ent->IsDead() ) )
	{
		return;
	}

	num = gi.AreaEntities( ent->absmin, ent->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 ) || ( hit->solid != SOLID_TRIGGER ) )
		{
			continue;
		}

		assert( hit->entity );

		ev = new Event( EV_Touch );
		ev->AddEntity( ent );
		hit->entity->ProcessEvent( ev );
	}
	}

/*
============
G_TouchSolids

Call after linking a new trigger in during gameplay
to force all entities it covers to immediately touch it
============
*/
void G_TouchSolids
	(
	Entity *ent
	)

	{
	int		i;
	int		num;
   int      touch[ MAX_GENTITIES ];
   gentity_t  *hit;
	Event		*ev;

   num = gi.AreaEntities( ent->absmin, ent->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 )
			{
			continue;
			}

		assert( hit->entity );

		//FIXME
		// should we post the events so that we don't have to worry about any entities going away
		ev = new Event( EV_Touch );
		ev->AddEntity( ent );
		hit->entity->ProcessEvent( ev );
		}
	}

void G_ShowTrace
	(
	trace_t *trace,
   const gentity_t *passent,
	const char *reason
	)

	{
	str text;
	str pass;
	str hit;

	assert( reason );
	assert( trace );

	if ( passent )
		{
		pass = va( "'%s'(%d)", passent->entname, passent->s.number );
		}
	else
		{
		pass = "NULL";
		}

	if ( trace->ent )
		{
		hit = va( "'%s'(%d)", trace->ent->entname, trace->ent->s.number );
		}
	else
		{
		hit = "NULL";
		}

	text = va( "%0.2f : Pass %s Frac %f Hit %s : '%s'\n",
		level.time, pass.c_str(), trace->fraction, hit.c_str(), reason ? reason : "" );

   if ( sv_traceinfo->integer == 3 )
		{
		gi.DebugPrintf( text.c_str() );
		}
	else
		{
      gi.DPrintf( "%s", text.c_str() );
		}
	}

void G_ShowSightTrace(gentity_t *passent1, gentity_t *passent2, const char *reason)
{
    str text;
    str pass1;
    str pass2;

    assert(reason);

    if (passent1) {
        pass1 = va("'%s'(%d)", passent1->entname, passent1->s.number);
    } else {
        pass1 = "NULL";
    }

    if (passent2) {
        pass2 = va("'%s'(%d)", passent2->entname, passent2->s.number);
    } else {
        pass2 = "NULL";
    }

    text = va("%0.2f : Pass1 %s Pass2 %s : '%s'\n", level.time, pass1.c_str(), pass2.c_str(), reason ? reason : "");

    if (sv_traceinfo->integer == 3) {
        gi.DebugPrintf(text.c_str());
    } else {
        gi.DPrintf("%s", text.c_str());
    }
}

void G_CalcBoundsOfMove
   (
   Vector &start,
   Vector &end,
   Vector &mins,
   Vector &maxs,
   Vector *minbounds,
   Vector *maxbounds
   )

   {
   Vector bmin;
   Vector bmax;

   ClearBounds( bmin, bmax );
   AddPointToBounds( start, bmin, bmax );
   AddPointToBounds( end, bmin, bmax );
   bmin += mins;
   bmax += maxs;

   if ( minbounds )
      {
      *minbounds = bmin;
      }

   if ( maxbounds )
      {
      *maxbounds = bmax;
      }
}

bool G_SightTrace(
	const Vector& start,
	const Vector& mins,
	const Vector& maxs,
	const Vector& end,
	gentity_t* passent,
	gentity_t* passent2,
	int           contentmask,
	qboolean      cylinder,
	const char* reason
)
{
	int  entnum, entnum2;
	bool result;

	assert(reason);

	if (passent == NULL) {
		entnum = ENTITYNUM_NONE;
	}
	else {
		entnum = passent->s.number;
	}

	if (passent2 == NULL) {
		entnum2 = ENTITYNUM_NONE;
	}
	else {
		entnum2 = passent2->s.number;
	}

	result = gi.SightTrace(start, mins, maxs, end, entnum, entnum2, contentmask, cylinder) ? true : false;

	if (sv_traceinfo->integer > 1) {
		G_ShowSightTrace(passent, passent2, reason);
	}

	sv_numtraces++;

	if (sv_drawtrace->integer) {
		G_DebugLine(start, end, 1, 1, 0, 1);
	}

	return result;
}

bool G_SightTrace(
	const Vector& start,
	const Vector& mins,
	const Vector& maxs,
	const Vector& end,
	Entity* passent,
	Entity* passent2,
	int           contentmask,
	qboolean      cylinder,
	const char* reason
)
{
	gentity_t* ent, * ent2;
	int        entnum, entnum2;
	bool       result;

	assert(reason);

	if (passent == NULL || !passent->isSubclassOf(Entity)) {
		ent = NULL;
		entnum = ENTITYNUM_NONE;
	}
	else {
		ent = passent->edict;
		entnum = ent->s.number;
	}

	if (passent2 == NULL || !passent2->isSubclassOf(Entity)) {
		ent2 = NULL;
		entnum2 = ENTITYNUM_NONE;
	}
	else {
		ent2 = passent2->edict;
		entnum2 = ent2->s.number;
	}

	result = gi.SightTrace(start, mins, maxs, end, entnum, entnum2, contentmask, cylinder) ? true : false;

	if (sv_traceinfo->integer > 1) {
		G_ShowSightTrace(ent, ent2, reason);
	}

	sv_numtraces++;

	if (sv_drawtrace->integer) {
		G_DebugLine(start, end, 1, 1, 0, 1);
	}

	return result;
}

void G_PMDrawTrace(
    trace_t     *results,
    const vec3_t start,
    const vec3_t mins,
    const vec3_t maxs,
    const vec3_t end,
    int          passEntityNum,
    int          contentMask,
    qboolean     cylinder,
    qboolean     traceDeep
)
{
    gi.trace(results, start, mins, maxs, end, passEntityNum, contentMask, cylinder, traceDeep);
    sv_numpmtraces++;
    G_DebugLine(start, end, 1.f, 0.75f, 0.5f, 1.f);
}

trace_t G_Trace
	(
	vec3_t start,
	vec3_t mins,
	vec3_t maxs,
	vec3_t end,
   const gentity_t *passent,
	int contentmask,
   qboolean cylinder,
		const char* reason,
		qboolean    tracedeep
	)

	{
   int entnum;
	trace_t trace;

   if ( passent )
      {
      entnum = passent->s.number;
      }
   else
      {
      entnum = ENTITYNUM_NONE;
      }

	gi.trace( &trace, start, mins, maxs, end, entnum, contentmask, cylinder, tracedeep );

   if ( trace.entityNum == ENTITYNUM_NONE )
      {
      trace.ent = NULL;
      }
   else
      {
      trace.ent = &g_entities[ trace.entityNum ];
      }

   if ( sv_traceinfo->integer > 1 )
		{
		G_ShowTrace( &trace, passent, reason );
		}
	sv_numtraces++;

   if ( sv_drawtrace->integer )
		{
      G_DebugLine( Vector( start ), Vector( end ), 1, 1, 0, 1 );
      }

	return trace;
	}

trace_t G_Trace
	(
	const Vector &start,
	const Vector &mins,
	const Vector &maxs,
	const Vector &end,
	const Entity *passent,
	int contentmask,
   qboolean cylinder,
	const char *reason,
		qboolean tracedeep
	)

	{
   gentity_t *ent;
   int entnum;
	trace_t trace;

	assert( reason );

	if ( passent == NULL )
		{
		ent = NULL;
      entnum = ENTITYNUM_NONE;
		}
	else
		{
		ent = passent->edict;
      entnum = ent->s.number;
		}

	gi.trace( &trace, start, mins, maxs, end, entnum, contentmask, cylinder, tracedeep );

   if ( trace.entityNum == ENTITYNUM_NONE )
      {
      trace.ent = NULL;
      }
   else
      {
      trace.ent = &g_entities[ trace.entityNum ];
      }

   if ( sv_traceinfo->integer > 1 )
		{
		G_ShowTrace( &trace, ent, reason );
		}

   sv_numtraces++;

   if ( sv_drawtrace->integer )
		{
      G_DebugLine( start, end, 1, 1, 0, 1 );
      }

	return trace;
	}

void G_TraceEntities
	(
	Vector &start,
	Vector &mins,
	Vector &maxs,
	Vector &end,
	Container<Entity *>*victimlist,
	int contentmask,
		qboolean bIncludeTriggers
	)

	{
	trace_t trace;
	vec3_t boxmins;
	vec3_t boxmaxs;
	int num;
	int touchlist[MAX_GENTITIES];
	gentity_t *touch;
	int i;


	// Find the bounding box

	for ( i=0 ; i<3 ; i++ ) 
		{
		if ( end[i] > start[i] ) 
			{
			boxmins[i] = start[i] + mins[i] - 1;
			boxmaxs[i] = end[i] + maxs[i] + 1;
			} 
		else 
			{
			boxmins[i] = end[i] + mins[i] - 1;
			boxmaxs[i] = start[i] + maxs[i] + 1;
			}
		}

	// Find the list of entites

	num = gi.AreaEntities( boxmins, boxmaxs, touchlist, MAX_GENTITIES );

	for ( i=0 ; i<num ; i++ ) 
		{
		touch = &g_entities[ touchlist[ i ] ];
			
		// see if we should ignore this entity
		if (touch->solid == SOLID_NOT)
			continue;
      if (touch->solid == SOLID_TRIGGER && !bIncludeTriggers)
         continue;

		gi.ClipToEntity( &trace, start, mins, maxs, end, touchlist[i], contentmask );

		if ( trace.entityNum == touchlist[i] )
			victimlist->AddObject( touch->entity );
		}
	}

/*
=======================================================================

  SelectSpawnPoint

=======================================================================
*/

/*
================
PlayersRangeFromSpot

Returns the distance to the nearest player from the given spot
================
*/
float	PlayersRangeFromSpot
	(
	Entity *spot
	)

	{
	Entity	*player;
	float		bestplayerdistance;
	Vector	v;
	int		n;
	float		playerdistance;

	bestplayerdistance = 9999999;
   for( n = 0; n < maxclients->integer; n++ )
		{
      if ( !g_entities[ n ].inuse || !g_entities[ n ].entity )
			{
			continue;
			}

      player = g_entities[ n ].entity;
		if ( player->health <= 0 )
			{
			continue;
			}

      v = spot->origin - player->origin;
		playerdistance = v.length();

		if ( playerdistance < bestplayerdistance )
			{
			bestplayerdistance = playerdistance;
			}
		}

	return bestplayerdistance;
	}

/*
================
SelectRandomDeathmatchSpawnPoint

go to a random point, but NOT the two points closest
to other players
================
*/
Entity *SelectRandomDeathmatchSpawnPoint
	(
	void
	)

	{
	Entity	*spot, *spot1, *spot2;
	int		count = 0;
	int		selection;
	float		range, range1, range2;

	spot = NULL;
	range1 = range2 = 99999;
	spot1 = spot2 = NULL;

	for( spot = G_FindClass( spot, "info_player_deathmatch" ); spot ; spot = G_FindClass( spot, "info_player_deathmatch" ) )
		{
		count++;
		range = PlayersRangeFromSpot( spot );
		if ( range < range1 )
			{
			range1 = range;
			spot1 = spot;
			}
		else if (range < range2)
			{
			range2 = range;
			spot2 = spot;
			}
		}

	if ( !count )
		{
		return NULL;
		}

	if ( count <= 2 )
		{
		spot1 = spot2 = NULL;
		}
	else
		{
		count -= 2;
		}

	selection = rand() % count;

	spot = NULL;
	do
		{
		spot = G_FindClass( spot, "info_player_deathmatch" );

      // if there are no more, break out
      if ( !spot )
         break;

		if ( spot == spot1 || spot == spot2 )
			{
			selection++;
			}
		}
	while( selection-- );

	return spot;
	}

/*
================
SelectFarthestDeathmatchSpawnPoint

================
*/
Entity *SelectFarthestDeathmatchSpawnPoint
	(
	void
	)

	{
	Entity	*bestspot;
	float		bestdistance;
	float		bestplayerdistance;
	Entity	*spot;

	spot = NULL;
	bestspot = NULL;
	bestdistance = 0;
	for( spot = G_FindClass( spot, "info_player_deathmatch" ); spot ; spot = G_FindClass( spot, "info_player_deathmatch" ) )
		{
		bestplayerdistance = PlayersRangeFromSpot( spot );
		if ( bestplayerdistance > bestdistance )
			{
			bestspot = spot;
			bestdistance = bestplayerdistance;
			}
		}

	if ( bestspot )
		{
		return bestspot;
		}

	// if there is a player just spawned on each and every start spot
	// we have no choice to turn one into a telefrag meltdown
	spot = G_FindClass( NULL, "info_player_deathmatch" );

	return spot;
	}

Entity *SelectDeathmatchSpawnPoint
	(
	void
	)

	{
	if ( DM_FLAG( DF_SPAWN_FARTHEST ) )
		{
		return SelectFarthestDeathmatchSpawnPoint();
		}
	else
		{
		return SelectRandomDeathmatchSpawnPoint();
		}
	}

/*
=============
M_CheckBottom

Returns false if any part of the bottom of the entity is off an edge that
is not a staircase.

=============
*/
int c_yes, c_no;

qboolean M_CheckBottom
	(
	Entity *ent
	)

	{
	Vector	mins, maxs, start, stop;
	trace_t	trace;
	int		x, y;
	float		mid, bottom;

   mins = ent->origin + ent->mins * 0.5;
   maxs = ent->origin + ent->maxs * 0.5;

	// if all of the points under the corners are solid world, don't bother
	// with the tougher checks
	// the corners must be within 16 of the midpoint
	start[ 2 ] = mins[ 2 ] - 1;

	for( x = 0; x <= 1; x++ )
		{
		for( y = 0; y <= 1; y++ )
			{
			start[ 0 ] = x ? maxs[ 0 ] : mins[ 0 ];
			start[ 1 ] = y ? maxs[ 1 ] : mins[ 1 ];
			if ( gi.pointcontents( start, 0 ) != CONTENTS_SOLID )
				{
				goto realcheck;
				}
			}
		}

	c_yes++;
	return true;		// we got out easy

realcheck:

	c_no++;

	//
	// check it for real...
	//
	start[ 2 ] = mins[ 2 ];

	// the midpoint must be within 16 of the bottom
	start[ 0 ] = stop[ 0 ] = ( mins[ 0 ] + maxs[ 0 ] ) * 0.5;
	start[ 1 ] = stop[ 1 ] = ( mins[ 1 ] + maxs[ 1 ] ) * 0.5;
	stop[ 2 ] = start[ 2 ] - 3 * STEPSIZE;//2 * STEPSIZE;

	trace = G_Trace( start, vec_zero, vec_zero, stop, ent, MASK_MONSTERSOLID, false, "M_CheckBottom 1" );

	if ( trace.fraction == 1.0 )
		{
		return false;
		}

	mid = bottom = trace.endpos[ 2 ];

	// the corners must be within 16 of the midpoint
	for( x = 0; x <= 1; x++ )
		{
		for( y = 0; y <= 1; y++ )
			{
			start[ 0 ] = stop[ 0 ] = x ? maxs[ 0 ] : mins[ 0 ];
			start[ 1 ] = stop[ 1 ] = y ? maxs[ 1 ] : mins[ 1 ];

			trace = G_Trace( start, vec_zero, vec_zero, stop, ent, MASK_MONSTERSOLID, false, "M_CheckBottom 2" );

			if ( trace.fraction != 1.0 && trace.endpos[ 2 ] > bottom )
				{
				bottom = trace.endpos[ 2 ];
				}

			if ( trace.fraction == 1.0 || mid - trace.endpos[ 2 ] > STEPSIZE )
				{
				return false;
				}
			}
		}

	c_yes++;
	return true;
	}

Entity * G_FindClass
	(
   Entity * ent,
	const char *classname
	)

	{
   int         entnum;
   gentity_t   *from;

   if ( ent )
      {
      entnum = ent->entnum;
      }
   else
      {
      entnum = -1;
      }

   for ( from = &g_entities[ entnum + 1 ]; from < &g_entities[ globals.num_entities ] ; from++ )
		{
		if ( !from->inuse )
			{
			continue;
			}
		if ( !Q_stricmp ( from->entity->getClassID(), classname ) )
			{
			return from->entity;
			}
		}

	return NULL;
	}

Entity * G_FindTarget
	(
   Entity * ent,
	const char *name
	)

	{
   SimpleEntity      *next;

   if ( name && name[ 0 ] )
      {
      next = world->GetNextEntity( str( name ), ent );
      if ( next && next->IsSubclassOfEntity() )
			{
         return static_cast<Entity*>(next);
			}
		}

	return NULL;
	}

Entity *G_NextEntity
	(
	Entity *ent
	)

	{
   gentity_t *from;

   if ( !g_entities )
		{
		return NULL;
		}

	if ( !ent )
		{
		from = g_entities;
		}
   else
      {
      from = ent->edict + 1;
      }

	if ( !from )
		{
		return NULL;
		}

   for ( ; from < &g_entities[ globals.num_entities ] ; from++ )
		{
		if ( !from->inuse || !from->entity )
			{
			continue;
			}

		return from->entity;
		}

	return NULL;
	}

//
// QuakeEd only writes a single float for angles (bad idea), so up and down are
// just constant angles.
//
Vector G_GetMovedir
	(
   float angle
	)

	{
	if ( angle == -1 )
		{
		return Vector( 0, 0, 1 );
		}
	else if ( angle == -2 )
		{
		return Vector( 0, 0, -1 );
		}

	angle *= ( M_PI * 2 / 360 );
	return Vector( cos( angle ), sin( angle ), 0 );
	}

/*
===============
G_SetMovedir

The editor only specifies a single value for angles (yaw),
but we have special constants to generate an up or down direction.
Angles will be cleared, because it is being used to represent a direction
instead of an orientation.
===============
*/
void G_SetMovedir(vec3_t angles, vec3_t movedir)
{
    static vec3_t VEC_UP       = {0, -1, 0};
    static vec3_t MOVEDIR_UP   = {0, 0, 1};
    static vec3_t VEC_DOWN     = {0, -2, 0};
    static vec3_t MOVEDIR_DOWN = {0, 0, -1};

    if (VectorCompare(angles, VEC_UP)) {
        VectorCopy(MOVEDIR_UP, movedir);
    } else if (VectorCompare(angles, VEC_DOWN)) {
        VectorCopy(MOVEDIR_DOWN, movedir);
    } else {
        AngleVectors(angles, movedir, NULL, NULL);
    }
    VectorClear(angles);
}

/*
=================
KillBox

Kills all entities that would touch the proposed new positioning
of ent.  Ent should be unlinked before calling this!
=================
*/
qboolean KillBox
	(
	Entity *ent
	)

	{
	int		   i;
	int	   	num;
   int         touch[ MAX_GENTITIES ];
   gentity_t   *hit;
   Vector      min;
   Vector      max;
   int         fail;

   fail = 0;

   min = ent->origin + ent->mins;
   max = ent->origin + ent->maxs;

   num = gi.AreaEntities( min, max, touch, MAX_GENTITIES );

   for( i = 0; i < num; i++ )
		{
		hit = &g_entities[ touch[ i ] ];

      if ( !hit->inuse || ( hit->entity == ent ) || !hit->entity || ( hit->entity == world ) || ( !hit->entity->edict->solid ) )
			{
			continue;
			}

      hit->entity->Damage( ent, ent, hit->entity->health + 100000, ent->origin, vec_zero, vec_zero,
         0, DAMAGE_NO_PROTECTION, MOD_TELEFRAG );

		//
		// if we didn't kill it, fail
		//
		if ( hit->entity->getSolidType() != SOLID_NOT )
			{
         fail++;
			}
		}

	//
	// all clear
	//
	return !fail;
	}

qboolean IsNumeric
	(
	const char *str
	)

	{
	int len;
	int i;
	qboolean dot;

	if ( *str == '-' )
		{
		str++;
		}

	dot = false;
	len = strlen( str );
	for( i = 0; i < len; i++ )
		{
		if ( !isdigit( str[ i ] ) )
			{
			if ( ( str[ i ] == '.' ) && !dot )
				{
				dot = true;
				continue;
				}
			return false;
			}
		}

	return true;
	}

/*
=================
findradius

Returns entities that have origins within a spherical area

findradius (org, radius)
=================
*/
Entity *findradius
	(
	Entity *startent,
	Vector org,
	float rad
	)

	{
	Vector		eorg;
   gentity_t	*from;
	float			r2, distance;

	if ( !startent )
		{
		from = active_edicts.next;
      }
   else
      {
		from = startent->edict->next;
      }

	assert( from );
   if ( !from )
	   {
      return NULL;
      }

	assert( ( from == &active_edicts ) || ( from->inuse ) );

	// square the radius so that we don't have to do a square root
	r2 = rad * rad;

	for( ; from != &active_edicts; from = from->next )
	   {
		assert( from->inuse );
		assert( from->entity );

      eorg = org - from->entity->centroid;

		// dot product returns length squared
      distance = eorg * eorg;

		if ( distance <= r2 )
			{
			return from->entity;
			}
      else
         {
         // subtract the object's own radius from this distance
         distance -= from->radius2;
		   if ( distance <= r2 )
			   {
			   return from->entity;
			   }
         }
		}

	return NULL;
	}

/*
=================
findclientinradius

Returns clients that have origins within a spherical area

findclientinradius (org, radius)
=================
*/
Entity *findclientsinradius
	(
   Entity *startent,
	Vector org,
	float rad
	)

	{
	Vector	 eorg;
   gentity_t *ed;
	float		 r2;
   int       i;

   // square the radius so that we don't have to do a square root
	r2 = rad * rad;

	if ( !startent )
		{
      i = 0;
      }
   else
      {
      i = startent->entnum + 1;
      }

 	for( ; i < game.maxclients; i++ )
      {
      ed = &g_entities[ i ];

		if ( !ed->inuse || !ed->entity )
			{
			continue;
			}

      eorg = org - ed->entity->centroid;

		// dot product returns length squared
		if ( ( eorg * eorg ) <= r2 )
			{
			return ed->entity;
			}
		}

	return NULL;
	}

Vector G_CalculateImpulse
   (
   Vector start,
   Vector end,
   float speed,
   float gravity
   )

   {
   float traveltime, vertical_speed;
   Vector dir, xydir, velocity;

   dir = end - start;
   xydir = dir;
   xydir.z = 0;
   traveltime = xydir.length() / speed;
   vertical_speed = ( dir.z / traveltime ) + ( 0.5f * gravity * sv_gravity->value * traveltime );
   xydir.normalize();

   velocity = speed * xydir;
   velocity.z = vertical_speed;
   return velocity;
   }

Vector G_PredictPosition
   (
   Vector start,
   Vector target,
   Vector targetvelocity,
   float  speed
   )

   {
   Vector projected;
   float traveltime;
   Vector dir, xydir;

   dir = target - start;
   xydir = dir;
   xydir.z = 0;
   traveltime = xydir.length() / speed;
   projected = target + ( targetvelocity * traveltime );

   return projected;
   }

/*
==============
G_ArchiveEdict
==============
*/
void G_ArchiveEdict
   (
   Archiver &arc,
   gentity_t *edict
   )

   {
	int i;
	str tempStr;

	assert(edict);

	//
	// this is written funny because it is used for both saving and loading
	//

	if (edict->client) {
		arc.ArchiveRaw(edict->client, sizeof(*edict->client));
	}

	arc.ArchiveInteger(&edict->s.beam_entnum);

	for (i = 0; i < MAX_FRAMEINFOS; i++) {
		arc.ArchiveInteger(&edict->s.frameInfo[i].index);
		arc.ArchiveFloat(&edict->s.frameInfo[i].time);
		arc.ArchiveFloat(&edict->s.frameInfo[i].weight);
	}

	arc.ArchiveFloat(&edict->s.actionWeight);

	arc.ArchiveFloat(&edict->s.shader_data[0]);
	arc.ArchiveFloat(&edict->s.shader_data[1]);
	arc.ArchiveFloat(&edict->s.shader_time);

	arc.ArchiveVec3(edict->s.eyeVector);

	arc.ArchiveInteger(&edict->s.eType);
	arc.ArchiveInteger(&edict->s.eFlags);

	arc.ArchiveVec3(edict->s.netorigin);
	arc.ArchiveVec3(edict->s.origin);
	arc.ArchiveVec3(edict->s.origin2);
	arc.ArchiveVec3(edict->s.netangles);
	arc.ArchiveVec3(edict->s.angles);

	arc.ArchiveInteger(&edict->s.constantLight);

	if (arc.Saving()) {
		if (edict->s.loopSound) {
			tempStr = gi.getConfigstring(CS_SOUNDS + edict->s.loopSound);
		}
		else {
			tempStr = "";
		}

		arc.ArchiveString(&tempStr);
	}
	else {
		arc.ArchiveString(&tempStr);

		if (tempStr.length()) {
			edict->s.loopSound = gi.soundindex(tempStr.c_str(), true);
		}
		else {
			edict->s.loopSound = 0;
		}
	}

	arc.ArchiveFloat(&edict->s.loopSoundVolume);
	arc.ArchiveFloat(&edict->s.loopSoundMinDist);
	arc.ArchiveFloat(&edict->s.loopSoundMaxDist);
	arc.ArchiveFloat(&edict->s.loopSoundPitch);
	arc.ArchiveInteger(&edict->s.loopSoundFlags);

	arc.ArchiveInteger(&edict->s.parent);
	arc.ArchiveInteger(&edict->s.tag_num);
	arc.ArchiveBoolean(&edict->s.attach_use_angles);
	arc.ArchiveVec3(edict->s.attach_offset);

	arc.ArchiveInteger(&edict->s.skinNum);
	arc.ArchiveInteger(&edict->s.wasframe);

	for (i = 0; i < NUM_BONE_CONTROLLERS; i++) {
		arc.ArchiveInteger(&edict->s.bone_tag[i]);
		arc.ArchiveVec3(edict->s.bone_angles[i]);
		arc.ArchiveVec4(edict->s.bone_quat[i]);
	}

	arc.ArchiveRaw(&edict->s.surfaces, sizeof(edict->s.surfaces));

	arc.ArchiveInteger(&edict->s.clientNum);
	arc.ArchiveInteger(&edict->s.groundEntityNum);
	arc.ArchiveInteger(&edict->s.solid);

	arc.ArchiveFloat(&edict->s.scale);
	arc.ArchiveFloat(&edict->s.alpha);
	arc.ArchiveInteger(&edict->s.renderfx);
	arc.ArchiveVec4(edict->s.quat);
	arc.ArchiveRaw(&edict->mat, sizeof(edict->mat));

	arc.ArchiveInteger(&edict->r.svFlags);

	arc.ArchiveVec3(edict->r.mins);
	arc.ArchiveVec3(edict->r.maxs);
	arc.ArchiveInteger(&edict->r.contents);
	arc.ArchiveVec3(edict->r.absmin);
	arc.ArchiveVec3(edict->r.absmax);
	arc.ArchiveFloat(&edict->r.radius);
	if (!arc.Saving()) {
		edict->radius2 = edict->r.radius * edict->r.radius;
	}

	arc.ArchiveVec3(edict->r.currentOrigin);
	arc.ArchiveVec3(edict->r.currentAngles);

	arc.ArchiveInteger(&edict->r.ownerNum);
	ArchiveEnum(edict->solid, solid_t);
	arc.ArchiveFloat(&edict->freetime);
	arc.ArchiveFloat(&edict->spawntime);

	tempStr = str(edict->entname);
	arc.ArchiveString(&tempStr);
	strncpy(edict->entname, tempStr.c_str(), sizeof(edict->entname) - 1);

	arc.ArchiveInteger(&edict->clipmask);
	arc.ArchiveBoolean(&edict->r.bmodel);

	if (arc.Loading()) {
		gi.linkentity(edict);
	}

	arc.ArchiveInteger(&edict->r.lastNetTime);
   }

/*
=========================================================================

model / sound configstring indexes

=========================================================================
*/

/*
=======================
G_FindConfigstringIndex
=======================
*/
int G_FindConfigstringIndex( char *name, int start, int max, qboolean create )
   {
	int		i;
	char	   *s;

	if ( !name || !name[0] )
      {
		return 0;
	   }

	for ( i=1 ; i<max ; i++ )
      {
		s = gi.getConfigstring( start + i );
		if ( !s || !s[0] )
         {
			break;
		   }
		if ( !strcmp( s, name ) )
         {
			return i;
		   }
	   }

	if ( !create )
      {
		return 0;
	   }

	if ( i == max )
      {
		gi.Error( ERR_DROP, "G_FindConfigstringIndex: overflow" );
	   }

	gi.setConfigstring( start + i, name );
	return i;
   }

int G_ModelIndex( char *name )
   {
	return G_FindConfigstringIndex (name, CS_MODELS, MAX_MODELS, true);
   }

int G_SoundIndex( char *name )
   {
	return G_FindConfigstringIndex (name, CS_SOUNDS, MAX_SOUNDS, true);
   }


/*
===============
G_SetTrajectory

Sets the pos trajectory for a fixed position
===============
*/
void G_SetTrajectory
   (
   gentity_t *ent,
   vec3_t org
   )

{
	ent->s.pos.trTime = 0;
	VectorClear(ent->s.pos.trDelta);

	VectorCopy(org, ent->s.origin);
   }

/*
===============
G_SetConstantLight

Sets the encoded constant light parameter for entities
===============
*/
void G_SetConstantLight
   (
   int * constantlight,
   float * red,
   float * green,
   float * blue,
   float * radius,
   int   * lightStyle
   )

   {
   int ir, ig, ib, iradius;

   if ( !constantlight )
      return;

	ir = (*constantlight) & 255;
	ig = ( (*constantlight) >> 8 ) & 255;
	ib = ( (*constantlight) >> 16 ) & 255;
	iradius = ( (*constantlight) >> 24 ) & 255;

   if ( red )
      {
      ir = *red * 255;
      if ( ir > 255 )
         ir = 255;
      }

   if ( green )
      {
      ig = *green * 255;
      if ( ig > 255 )
         ig = 255;
      }

   if ( blue )
      {
      ib = *blue * 255;
      if ( ib > 255 )
         ib = 255;
      }

   if ( radius )
      {
      iradius = *radius / CONSTANTLIGHT_RADIUS_SCALE;
      if ( iradius > 255 )
         iradius = 255;
      }

   if ( lightStyle )
      {
      ir = *lightStyle;
      if ( ir > 255 )
         ir = 255;
      }
   *constantlight = ( ir ) + ( ig << 8 ) + ( ib << 16 ) + ( iradius << 24 );
   }

char* CanonicalTikiName(const char* szInName)
{
	static char filename[1024];

	if (*szInName && Q_stricmpn("models/", szInName, 7)) {
		sprintf(filename, "models/%s", szInName);
	}
	else {
		strcpy(filename, szInName);
	}

	gi.FS_CanonicalFilename(filename);
	return filename;
}

void G_ProcessCacheInitCommands(dtiki_t* tiki)
{
	dtikicmd_t* pcmd;

	if (tiki->a->num_server_initcmds) {
		int    i, j;
		Event* event;

		for (i = 0; i < tiki->a->num_server_initcmds; i++) {
			pcmd = &tiki->a->server_initcmds[i];
			event = new Event(pcmd->args[0]);

			if (Director.GetFlags(event) & EV_CACHE) {
				for (j = 1; j < pcmd->num_args; j++) {
					event->AddToken(pcmd->args[j]);
				}

				if (!Director.ProcessEvent(event)) {
					Com_Printf(
						"^~^~^ Entity::G_ProcessCacheInitCommands: Bad init server command '%s' in '%s'\n",
						pcmd->args[0],
						tiki->name
					);
				}
			}
			else {
				delete event;
			}
		}
	}
}

void CacheResource
	(
   const char * stuff
	)

	{
	AliasListNode_t* ret;
	qboolean         streamed = qfalse;
	char             filename[MAX_STRING_TOKENS];

	if (!stuff) {
		return;
	}

	if (!strchr(stuff, '.')) {
		// must be a global alias
		stuff = gi.GlobalAlias_FindRandom(stuff, &ret);
		if (!stuff) {
			if (gi.fsDebug->integer) {
				Com_Printf("alias not found\n");
			}

			return;
		}
		streamed = ret->streamed;
	}

	strcpy(filename, stuff);
	gi.FS_CanonicalFilename(filename);

	if (strstr(filename, ".wav")) {
		gi.soundindex(filename, streamed);
	}
	else if (strstr(filename, ".mp3")) {
		gi.soundindex(filename, streamed);
	}
	else if (strstr(filename, ".tik")) {
		dtiki_t* tiki;

		if (*stuff && strncmp("models/", stuff, 7)) {
			sprintf(filename, "models/%s", stuff);
		}
		else {
			strcpy(filename, stuff);
		}

		gi.FS_CanonicalFilename(filename);

		tiki = gi.TIKI_RegisterModel(filename);

		if (tiki) {
			G_ProcessCacheInitCommands(tiki);
		}
	}
	else if (strstr(filename, ".scr")) {
		Director.GetScript(filename);
	}
	}

void ChangeMusic
	(
   const char *current,
   const char *fallback,
   qboolean force
	)
   {
   int      j;
   gentity_t  *other;

   if ( current || fallback )
      {
	   for( j = 0; j < game.maxclients; j++ )
		   {
         other = &g_entities[ j ];
		   if ( other->inuse && other->client )
			   {
            Player *client;

            client = ( Player * )other->entity;
            client->ChangeMusic( current, fallback, force );
			   }
         }
      if ( current && fallback )
         {
         gi.DPrintf( "music set to %s with fallback %s\n", current, fallback );
         }
      }
   }

void ChangeMusicVolume
	(
   float volume,
   float fade_time
   )
   {
   int      j;
   gentity_t  *other;
   
	for( j = 0; j < game.maxclients; j++ )
		{
      other = &g_entities[ j ];
		if ( other->inuse && other->client )
			{
         Player *client;

         client = ( Player * )other->entity;
         client->ChangeMusicVolume( volume, fade_time );
			}
      }
   gi.DPrintf( "music volume set to %.2f, fade time %.2f\n", volume, fade_time );
   }

void RestoreMusicVolume
	(
   float fade_time
   )
   {
   int      j;
   gentity_t  *other;

   for( j = 0; j < game.maxclients; j++ )
		{
      other = &g_entities[ j ];
		if ( other->inuse && other->client )
			{
         Player *client;

         client = ( Player * )other->entity;
         client->RestoreMusicVolume( fade_time );
			}
      }
   }

void ChangeSoundtrack
	(
   const char * soundtrack
	)

   {   
	level.saved_soundtrack = level.current_soundtrack;
	level.current_soundtrack = soundtrack;

   gi.setConfigstring( CS_SOUNDTRACK, soundtrack );
   gi.DPrintf( "soundtrack switched to %s.\n", soundtrack );
   }

void RestoreSoundtrack
	(
	void
	)

   {
	if ( level.saved_soundtrack.length() )
		{
      level.current_soundtrack = level.saved_soundtrack;
      level.saved_soundtrack = "";
		gi.setConfigstring( CS_SOUNDTRACK, level.current_soundtrack.c_str() );
      gi.DPrintf( "soundtrack restored %s.\n", level.current_soundtrack.c_str() );
		}
   }

const char *G_AIEventStringFromType(int iType)
{
    switch (iType) {
    case AI_EVENT_WEAPON_FIRE:
        return "weapon_fire";
        break;
    case AI_EVENT_WEAPON_IMPACT:
        return "weapon_impact";
        break;
    case AI_EVENT_EXPLOSION:
        return "explosion";
        break;
    case AI_EVENT_AMERICAN_VOICE:
        return "american_voice";
        break;
    case AI_EVENT_GERMAN_VOICE:
        return "german_voice";
        break;
    case AI_EVENT_AMERICAN_URGENT:
        return "american_urgent";
        break;
    case AI_EVENT_GERMAN_URGENT:
        return "german_urgent";
        break;
    case AI_EVENT_MISC:
        return "misc";
        break;
    case AI_EVENT_MISC_LOUD:
        return "misc_loud";
        break;
    case AI_EVENT_FOOTSTEP:
        return "footstep";
        break;
    case AI_EVENT_GRENADE:
        return "grenade";
        break;
    default:
        return "????";
        break;
    }
}

int G_AIEventTypeFromString(const char *pszType)
{
    if (!Q_stricmp(pszType, "weapon_fire")) {
        return AI_EVENT_WEAPON_FIRE;
    } else if (!Q_stricmp(pszType, "weapon_impact")) {
        return AI_EVENT_WEAPON_IMPACT;
    } else if (!Q_stricmp(pszType, "explosion")) {
        return AI_EVENT_EXPLOSION;
    } else if (!Q_stricmp(pszType, "american_voice")) {
        return AI_EVENT_AMERICAN_VOICE;
    } else if (!Q_stricmp(pszType, "german_voice")) {
        return AI_EVENT_GERMAN_VOICE;
    } else if (!Q_stricmp(pszType, "american_urgent")) {
        return AI_EVENT_AMERICAN_URGENT;
    } else if (!Q_stricmp(pszType, "german_urgent")) {
        return AI_EVENT_GERMAN_URGENT;
    } else if (!Q_stricmp(pszType, "misc")) {
        return AI_EVENT_MISC;
    } else if (!Q_stricmp(pszType, "misc_loud")) {
        return AI_EVENT_MISC_LOUD;
    } else if (!Q_stricmp(pszType, "footstep")) {
        return AI_EVENT_FOOTSTEP;
    } else if (!Q_stricmp(pszType, "grenade")) {
        return AI_EVENT_GRENADE;
    } else {
        return AI_EVENT_NONE;
    }
}

float G_AIEventRadius(int iType)
{
    static float fRadius[] = {
        2048.0f, 384.0f, 4096.0f, 1024.0f, 1024.0f, 1536.0f, 1536.0f, 1500.0f, 2250.0f, 512.0f, 384.0f, 0, 0, 0, 0};

    if (iType <= AI_EVENT_GRENADE) {
        return fRadius[iType];
    } else {
        Com_Printf("G_AIEventRadius: invalid event type\n");
        return 1500.0f;
    }
}

void G_BroadcastAIEvent(Entity *originator, Vector origin, char *pszType)
{
    G_BroadcastAIEvent(originator, origin, G_AIEventTypeFromString(pszType), -1.0f);
}

void G_BroadcastAIEvent(Entity *originator, Vector origin, int iType, float radius)
{
    Sentient *ent;
    Vector    delta;
    str       name;
    float     r2;
    float     dist2;
    int       i;
    int       iNumSentients;
    int       iAreaNum;

    if (iType < AI_EVENT_FOOTSTEP) {
        ent = (Sentient *)G_GetEntity(0);

        if (ent && ent->m_bIsDisguised) {
            return;
        }
    }

    if (radius <= 0.0f) {
        radius = G_AIEventRadius(iType);
    }

    assert(originator);
    if (originator && !(originator->flags & FL_NOTARGET)) {
        r2            = Square(radius);
        iNumSentients = SentientList.NumObjects();
        for (i = 1; i <= iNumSentients; i++) {
            ent = SentientList.ObjectAt(i);
            if ((ent == originator) || ent->deadflag) {
                continue;
            }

            delta = origin - ent->centroid;

            // dot product returns length squared
            dist2 = Square(delta);

            if (originator) {
                iAreaNum = originator->edict->r.areanum;
            } else {
                iAreaNum = gi.AreaForPoint(origin);
            }

            if ((dist2 <= r2)
                && ((iAreaNum == ent->edict->r.areanum) || (gi.AreasConnected(iAreaNum, ent->edict->r.areanum))))

            {
                if (ent->IsSubclassOfActor()) {
                    Actor *act = (Actor *)ent;

                    if (!act->IgnoreSound(iType)) {
                        act->ReceiveAIEvent(origin, iType, originator, dist2, r2);
                    }
                } else if (ent->IsSubclassOfBot()) {
                    PlayerBot *bot = (PlayerBot *)ent;

                    bot->NoticeEvent(origin, iType, originator, dist2, r2);
                }
            }
        }

#if 0
		gi.DPrintf( "Broadcast event %s to %d entities\n", ev->getName(), count );
#endif
    }
}

void CloneEntity
   (
   Entity * dest,
   Entity * src
   )
   {
	int i, num;

#if 0
	dest->setModel(src->model);
	// don't process our init commands
	//dest->CancelEventsOfType( EV_ProcessInitCommands );
	dest->setOrigin(src->origin);
	dest->setAngles(src->angles);
#endif
	dest->setScale(src->edict->s.scale);
	dest->setAlpha(src->edict->s.alpha);
	dest->health = src->health;
	// copy the surfaces
	memcpy(dest->edict->s.surfaces, src->edict->s.surfaces, sizeof(src->edict->s.surfaces));
	dest->edict->s.constantLight = src->edict->s.constantLight;
	//dest->edict->s.eFlags = src->edict->s.eFlags;
	dest->edict->s.renderfx = src->edict->s.renderfx;

	num = src->numchildren;
	for (i = 0; (i < MAX_MODEL_CHILDREN) && num; i++) {
		Entity* clone;
		Entity* child;

		// duplicate the children
		if (!src->children[i]) {
			continue;
		}
		child = G_GetEntity(src->children[i]);
		if (child) {
			clone = new Animate;
			CloneEntity(clone, child);
			clone->attach(dest->entnum, child->edict->s.tag_num);
		}
		num--;
	}
   }

weaponhand_t WeaponHandNameToNum
   (
   str side
   )

   {
   if ( !side.length() )
      {
      gi.DPrintf( "WeaponHandNameToNum : Weapon hand not specified\n" );
      return WEAPON_ERROR;
      }

   if ( !side.icmp( "mainhand" ) || !side.icmp( "main" ) ) 
      {
      return WEAPON_MAIN;
      }
   else if ( !side.icmp( "offhand" ) || !side.icmp( "off" ) ) 
      {
      return WEAPON_OFFHAND;
      }
   else 
      {
      return (weaponhand_t)atoi( side );
      }
   }

const char *WeaponHandNumToName
   (
   weaponhand_t hand
   )

   {
   switch( hand )
      {
      case WEAPON_MAIN:
         return "mainhand";
      case WEAPON_OFFHAND:
         return "offhand";
      default:
         return "Invalid Hand";
      }
   }

firemode_t WeaponModeNameToNum
   (
   str mode
   )

   {
   if ( !mode.length() )
      {
      gi.DPrintf( "WeaponModeNameToNum : Weapon mode not specified\n" );
      return FIRE_ERROR;
      }

   if ( !mode.icmp( "primary" ) ) 
      {
      return FIRE_PRIMARY;
      }

   if ( !mode.icmp( "secondary" ) ) 
      {
      return FIRE_SECONDARY;
      }
   else 
      {
      return (firemode_t)atoi( mode );
      }
   }

int G_WeaponClassNameToNum(str name)
{
    int weaponindex = 0;

    if (!name.length()) {
        gi.DPrintf("WeaponClassNameToNum: Weapon class not specified\n");
        return 0;
    }

    if (!str::icmp(name, "pistol")) {
        weaponindex = WEAPON_CLASS_PISTOL;
    } else if (!str::icmp(name, "rifle")) {
        weaponindex = WEAPON_CLASS_RIFLE;
    } else if (!str::icmp(name, "smg")) {
        weaponindex = WEAPON_CLASS_SMG;
    } else if (!str::icmp(name, "mg")) {
        weaponindex = WEAPON_CLASS_MG;
    } else if (!str::icmp(name, "grenade")) {
        weaponindex = WEAPON_CLASS_GRENADE;
    } else if (!str::icmp(name, "heavy")) {
        weaponindex = WEAPON_CLASS_HEAVY;
    } else if (!str::icmp(name, "cannon")) {
        weaponindex = WEAPON_CLASS_CANNON;
    } else if (!str::icmp(name, "item")) {
        weaponindex = WEAPON_CLASS_ITEM;
    } else if (!str::icmp(name, "item1")) {
        weaponindex = WEAPON_CLASS_ITEM1;
    } else if (!str::icmp(name, "item2")) {
        weaponindex = WEAPON_CLASS_ITEM2;
    } else if (!str::icmp(name, "item3")) {
        weaponindex = WEAPON_CLASS_ITEM3;
    } else if (!str::icmp(name, "item4")) {
        weaponindex = WEAPON_CLASS_ITEM4;
    } else {
        gi.DPrintf("WeaponClassNameToNum: Unknown Weapon class %s\n", name.c_str());
        return 0;
    }

    return weaponindex;
}

str G_WeaponClassNumToName(int num)
{
    if (num & WEAPON_CLASS_PISTOL) {
        return "pistol";
    } else if (num & WEAPON_CLASS_RIFLE) {
        return "rifle";
    } else if (num & WEAPON_CLASS_SMG) {
        return "smg";
    } else if (num & WEAPON_CLASS_MG) {
        return "mg";
    } else if (num & WEAPON_CLASS_GRENADE) {
        return "grenade";
    } else if (num & WEAPON_CLASS_HEAVY) {
        return "heavy";
    } else if (num & WEAPON_CLASS_CANNON) {
        return "cannon";
    } else if (num & WEAPON_CLASS_ITEM) {
        return "item";
    } else if (num & WEAPON_CLASS_ITEM1) {
        return "item1";
    } else if (num & WEAPON_CLASS_ITEM2) {
        return "item2";
    } else if (num & WEAPON_CLASS_ITEM3) {
        return "item3";
    } else if (num & WEAPON_CLASS_ITEM4) {
        return "item4";
    } else {
        assert(0);
        return "";
    }
}

void G_DebugTargets
   (
   Entity *e,
   str from
   )

   {
   gi.DPrintf( "DEBUGTARGETS:%s ", from.c_str() );
   
   if ( e->TargetName() && strlen( e->TargetName() ) )
      {
      gi.DPrintf( "Targetname=\"%s\"\n", e->TargetName().c_str() );
      }
   else
      {
      gi.DPrintf( "Targetname=\"None\"\n" );
      }

   if ( e->Target() && strlen( e->Target() ) )
      {
      gi.DPrintf( "Target=\"%s\"\n", e->Target().c_str() );
      }
   else
      {
      gi.DPrintf( "Target=\"None\"\n" );
      }
   }

void G_DebugDamage
   (
   float damage,
   Entity *victim,
   Entity *attacker,
   Entity *inflictor
   )

   {
   gi.DPrintf( "Victim:%s Attacker:%s Inflictor:%s Damage:%f\n", victim->getClassname(), attacker->getClassname(), inflictor->getClassname(), damage );
   }

void G_FadeOut
   (
   float delaytime
   )
   {
	// Fade the screen out
   level.m_fade_color      = Vector( 0,0,0 );
   level.m_fade_alpha      = 1.0f;
   level.m_fade_time       = delaytime;
   level.m_fade_time_start = delaytime;
   level.m_fade_type       = fadeout;
   level.m_fade_style      = alphablend;
   }

void G_AutoFadeIn
   (
   void
   )

   {
   level.m_fade_time_start = 1;
   level.m_fade_time       = 1;
   level.m_fade_color[0]   = 0;
   level.m_fade_color[1]   = 0;
   level.m_fade_color[2]   = 0;
   level.m_fade_alpha      = 1;
   level.m_fade_type       = fadein;
   level.m_fade_style      = alphablend;  
   }

void G_ClearFade
   (
   void
   )

   {
   level.m_fade_time = -1;
   level.m_fade_type = fadein;
   }

void G_FadeSound
   (
   float delaytime
   )
   {
   float time;

	// Fade the screen out
	time = delaytime * 1000;
	gi.SendServerCommand( 0, va("fadesound %0.2f", time) );
   }

//
// restarts the game after delaytime
//
void G_PlayerDied
   (
   float delaytime
   )
   {
	int i;

	if ( level.died_already )
		return;

	level.died_already = true;

	// Restart the level soon

	for( i = 0; i < game.maxclients; i++ )
	   {
      if ( g_entities[ i ].inuse )
         {
         if ( g_entities[ i ].entity )
            {
            g_entities[ i ].entity->PostEvent( EV_Player_Respawn, delaytime );
            }
         }
      }

   G_FadeOut( delaytime );
   G_FadeSound( delaytime );
   }

void G_MissionFailed
   (
   void
   )

   {
	// Make the music system play the failure music for this level
   ChangeMusic( "failure", "normal", true );

   G_PlayerDied( 3 );

   // tell the player they f'd up
   gi.centerprintf( &g_entities[ 0 ], "@textures/menu/mission.tga" );

   level.mission_failed = true;
   }

void G_StartCinematic
   (
   void
   )

   {
   level.cinematic = true;
   gi.cvar_set( "sv_cinematic", "1" );
   }

void G_StopCinematic
   (
   void
   )

   {
   // clear out the skip thread
   level.cinematic = false;
   gi.cvar_set( "sv_cinematic", "0" );
   }

void G_PrintToAllClients(const char* pszString, int iType)
{
	if (g_protocol >= protocol_e::PROTOCOL_MOHTA_MIN) {
		if (iType == 0) {
			gi.SendServerCommand(-1, "print \"" HUD_MESSAGE_YELLOW "%s\"", pszString);
		}
		else if (iType == 1) {
			gi.SendServerCommand(-1, "print \"" HUD_MESSAGE_WHITE "%s\"", pszString);
		}
		else if (iType == 2) {
			gi.SendServerCommand(-1, "print \"" HUD_MESSAGE_CHAT_WHITE "%s\"", pszString);
		}
	}
	else {
		if (iType == 0) {
			gi.SendServerCommand(-1, "print \"" HUD_MESSAGE_YELLOW "%s\n\"", pszString);
		}
		else {
			gi.SendServerCommand(-1, "print \"" HUD_MESSAGE_WHITE "%s\n\"", pszString);
		}
	}
}

void G_CenterPrintToAllClients(const char* pszString)
{
	gentity_t* ent;
	int        i;

	for (i = 0, ent = g_entities; i < game.maxclients; ent++, i++) {
		if (!ent->inuse || !ent->entity) {
			continue;
		}

		gi.centerprintf(ent, va("%s\n", pszString));
	}
}

void SanitizeName(const char* oldName, char* newName, size_t maxLen)
{
	size_t      i;
	size_t      j;
	size_t      len;
	const char* p;

	len = strlen(oldName);
	j = 0;
	p = oldName;

	for (i = 0; i < len && i < maxLen - 1; i++) {
		if (i >= len - 1 && *p <= ' ') {
			newName[j++] = '?';
		}
		else {
			newName[j++] = *p;
		}
	}

	newName[j] = 0;
}

/*
=================
G_PrintDeathMessageEmulated

Emulate the client-side behavior of printdeathmessage.
So old clients can still have the string displayed.
=================
*/
const char*
G_PrintDeathMessageEmulated(const char* s1, const char* s2, char* attackerName, const char* victimName, char type)
{
	const char* result1, * result2;
	int         hudColor;

	result1 = NULL;
	result2 = NULL;

	if (type == tolower(type)) {
		hudColor = 4;
	}
	else {
		hudColor = 5;
	}

	if (*s1 != 'x') {
		result1 = gi.LV_ConvertString(s1);
	}
	if (*s2 != 'x') {
		result2 = gi.LV_ConvertString(s2);
	}
	if (tolower(type) == 's') {
		return va("%c%s %s\n", hudColor, victimName, result1);
	}
	else if (tolower(type) == 'p') {
		if (*s2 == 'x') {
			return va("%c%s %s %s\n", hudColor, victimName, result1, attackerName);
		}
		else {
			return va("%c%s %s %s%s\n", hudColor, victimName, result1, attackerName, result2);
		}
	}
	else if (tolower(type) == 'w') {
		return va("%c%s %s\n", hudColor, victimName, result1);
	}
	else {
		return va("%s", s1);
	}
}

void G_PrintDeathMessage(
	const char* s1, const char* s2, const char* attackerName, const char* victimName, Player* victim, const char* type
)
{
	gentity_t* ent;
	Player* pPlayer;
	int        i;
	char       attackerNameSanitized[MAX_NAME_LENGTH];
	char       victimNameSanitized[MAX_NAME_LENGTH];

	SanitizeName(attackerName, attackerNameSanitized, MAX_NAME_LENGTH);
	SanitizeName(victimName, victimNameSanitized, MAX_NAME_LENGTH);

	if (g_protocol >= protocol_e::PROTOCOL_MOHTA_MIN) {
		for (i = 0, ent = g_entities; i < game.maxclients; i++, ent++) {
			if (!ent->inuse || !ent->entity) {
				continue;
			}

			pPlayer = static_cast<Player*>(ent->entity);

			if (pPlayer->GetTeam() == TEAM_ALLIES
				|| pPlayer->GetTeam() == TEAM_AXIS && pPlayer->GetTeam() == victim->GetTeam()
				|| pPlayer->GetTeam() != TEAM_ALLIES && pPlayer->GetTeam() != TEAM_AXIS
				&& victim->GetTeam() == TEAM_ALLIES) {
				gi.SendServerCommand(
					ent - g_entities,
					"printdeathmsg \"%s\"\"%s\"\"%s\"\"%s\" %c",
					s1,
					s2,
					attackerNameSanitized,
					victimNameSanitized,
					*type
				);
			}
			else {
				gi.SendServerCommand(
					ent - g_entities,
					"printdeathmsg \"%s\"\"%s\"\"%s\"\"%s\" %c",
					s1,
					s2,
					attackerNameSanitized,
					victimNameSanitized,
					toupper(*type)
				);
			}
		}
	}
	else {
		const char* string =
			G_PrintDeathMessageEmulated(s1, s2, attackerNameSanitized, victimNameSanitized, toupper(*type));

		// Fallback to the old version
		G_PrintDeathMessage_Old(string);
	}
}

void G_PrintDeathMessage_Old(const char* pszString)
{
	gentity_t* ent;
	int        i;

	for (i = 0, ent = g_entities; i < game.maxclients; i++, ent++) {
		if (!ent->inuse || !ent->entity) {
			continue;
		}

		gi.SendServerCommand(ent - g_entities, "print \"" HUD_MESSAGE_CHAT_RED "%s\"", pszString);
	}
}

char *G_TimeString(float fTime)
{
    float       fTmp;
    static char szTime[32];

    fTmp = fTime / 3600.0f;

    if (fTmp >= 1.0f) {
        Com_sprintf(
            szTime,
            sizeof(szTime),
            "%i:%02i:%02i",
            (int)(fTmp),
            (int)(fmod(fTime / 60.0f, 60.0f)),
            (int)(fmod(fTime, 60.0f))
        );
    } else {
        Com_sprintf(szTime, sizeof(szTime), "%i:%02i", (int)(fTime / 60.0f), (int)(fmod(fTime, 60.0f)));
    }

    return szTime;
}

void G_WarnPlayer(Player* player, const char* format, ...)
{
	char    buffer[4100];
	va_list va;

	va_start(va, format);
	vsprintf(buffer, format, va);
	va_end(va);

	gi.SendServerCommand(player->client->ps.clientNum, "print \"%s\"\n", buffer);
	gi.SendServerCommand(player->client->ps.clientNum, "print \"%c%s\"", HUD_MESSAGE_YELLOW, buffer);
}