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util.cpp
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util.cpp
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/***
*
* Copyright (c) 1996-2002, Valve LLC. All rights reserved.
*
* This product contains software technology licensed from Id
* Software, Inc. ("Id Technology"). Id Technology (c) 1996 Id Software, Inc.
* All Rights Reserved.
*
* Use, distribution, and modification of this source code and/or resulting
* object code is restricted to non-commercial enhancements to products from
* Valve LLC. All other use, distribution, or modification is prohibited
* without written permission from Valve LLC.
*
****/
/*
===== util.cpp ========================================================
Utility code. Really not optional after all.
*/
#include "extdll.h"
#include "util.h"
#include "cbase.h"
#include "saverestore.h"
#include <time.h>
#include "shake.h"
#include "decals.h"
#include "player.h"
#include "weapons.h"
#include "gamerules.h"
float UTIL_WeaponTimeBase( void )
{
#if defined( CLIENT_WEAPONS )
return 0.0;
#else
return gpGlobals->time;
#endif
}
static unsigned int glSeed = 0;
unsigned int seed_table[ 256 ] =
{
28985, 27138, 26457, 9451, 17764, 10909, 28790, 8716, 6361, 4853, 17798, 21977, 19643, 20662, 10834, 20103,
27067, 28634, 18623, 25849, 8576, 26234, 23887, 18228, 32587, 4836, 3306, 1811, 3035, 24559, 18399, 315,
26766, 907, 24102, 12370, 9674, 2972, 10472, 16492, 22683, 11529, 27968, 30406, 13213, 2319, 23620, 16823,
10013, 23772, 21567, 1251, 19579, 20313, 18241, 30130, 8402, 20807, 27354, 7169, 21211, 17293, 5410, 19223,
10255, 22480, 27388, 9946, 15628, 24389, 17308, 2370, 9530, 31683, 25927, 23567, 11694, 26397, 32602, 15031,
18255, 17582, 1422, 28835, 23607, 12597, 20602, 10138, 5212, 1252, 10074, 23166, 19823, 31667, 5902, 24630,
18948, 14330, 14950, 8939, 23540, 21311, 22428, 22391, 3583, 29004, 30498, 18714, 4278, 2437, 22430, 3439,
28313, 23161, 25396, 13471, 19324, 15287, 2563, 18901, 13103, 16867, 9714, 14322, 15197, 26889, 19372, 26241,
31925, 14640, 11497, 8941, 10056, 6451, 28656, 10737, 13874, 17356, 8281, 25937, 1661, 4850, 7448, 12744,
21826, 5477, 10167, 16705, 26897, 8839, 30947, 27978, 27283, 24685, 32298, 3525, 12398, 28726, 9475, 10208,
617, 13467, 22287, 2376, 6097, 26312, 2974, 9114, 21787, 28010, 4725, 15387, 3274, 10762, 31695, 17320,
18324, 12441, 16801, 27376, 22464, 7500, 5666, 18144, 15314, 31914, 31627, 6495, 5226, 31203, 2331, 4668,
12650, 18275, 351, 7268, 31319, 30119, 7600, 2905, 13826, 11343, 13053, 15583, 30055, 31093, 5067, 761,
9685, 11070, 21369, 27155, 3663, 26542, 20169, 12161, 15411, 30401, 7580, 31784, 8985, 29367, 20989, 14203,
29694, 21167, 10337, 1706, 28578, 887, 3373, 19477, 14382, 675, 7033, 15111, 26138, 12252, 30996, 21409,
25678, 18555, 13256, 23316, 22407, 16727, 991, 9236, 5373, 29402, 6117, 15241, 27715, 19291, 19888, 19847
};
unsigned int U_Random( void )
{
glSeed *= 69069;
glSeed += seed_table[ glSeed & 0xff ];
return ( ++glSeed & 0x0fffffff );
}
void U_Srand( unsigned int seed )
{
glSeed = seed_table[ seed & 0xff ];
}
/*
=====================
UTIL_SharedRandomLong
=====================
*/
int UTIL_SharedRandomLong( unsigned int seed, int low, int high )
{
unsigned int range;
U_Srand( (int)seed + low + high );
range = high - low + 1;
if ( !(range - 1) )
{
return low;
}
else
{
int offset;
int rnum;
rnum = U_Random();
offset = rnum % range;
return (low + offset);
}
}
/*
=====================
UTIL_SharedRandomFloat
=====================
*/
float UTIL_SharedRandomFloat( unsigned int seed, float low, float high )
{
//
unsigned int range;
U_Srand( (int)seed + *(int *)&low + *(int *)&high );
U_Random();
U_Random();
range = static_cast<int>(high - low);
if ( !range )
{
return low;
}
else
{
int tensixrand;
float offset;
tensixrand = U_Random() & 65535;
offset = (float)tensixrand / 65536.0;
return (low + offset * range );
}
}
void UTIL_ParametricRocket( entvars_t *pev, Vector vecOrigin, Vector vecAngles, edict_t *owner )
{
pev->startpos = vecOrigin;
// Trace out line to end pos
TraceResult tr;
UTIL_MakeVectors( vecAngles );
UTIL_TraceLine( pev->startpos, pev->startpos + gpGlobals->v_forward * 8192, ignore_monsters, owner, &tr);
pev->endpos = tr.vecEndPos;
// Now compute how long it will take based on current velocity
Vector vecTravel = pev->endpos - pev->startpos;
float travelTime = 0.0;
if ( pev->velocity.Length() > 0 )
{
travelTime = vecTravel.Length() / pev->velocity.Length();
}
pev->starttime = gpGlobals->time;
pev->impacttime = gpGlobals->time + travelTime;
}
int g_groupmask = 0;
int g_groupop = 0;
// Normal overrides
void UTIL_SetGroupTrace( int groupmask, int op )
{
g_groupmask = groupmask;
g_groupop = op;
ENGINE_SETGROUPMASK( g_groupmask, g_groupop );
}
void UTIL_UnsetGroupTrace( void )
{
g_groupmask = 0;
g_groupop = 0;
ENGINE_SETGROUPMASK( 0, 0 );
}
// Smart version, it'll clean itself up when it pops off stack
UTIL_GroupTrace::UTIL_GroupTrace( int groupmask, int op )
{
m_oldgroupmask = g_groupmask;
m_oldgroupop = g_groupop;
g_groupmask = groupmask;
g_groupop = op;
ENGINE_SETGROUPMASK( g_groupmask, g_groupop );
}
UTIL_GroupTrace::~UTIL_GroupTrace( void )
{
g_groupmask = m_oldgroupmask;
g_groupop = m_oldgroupop;
ENGINE_SETGROUPMASK( g_groupmask, g_groupop );
}
TYPEDESCRIPTION gEntvarsDescription[] =
{
DEFINE_ENTITY_FIELD( classname, FIELD_STRING ),
DEFINE_ENTITY_GLOBAL_FIELD( globalname, FIELD_STRING ),
DEFINE_ENTITY_FIELD( origin, FIELD_POSITION_VECTOR ),
DEFINE_ENTITY_FIELD( oldorigin, FIELD_POSITION_VECTOR ),
DEFINE_ENTITY_FIELD( velocity, FIELD_VECTOR ),
DEFINE_ENTITY_FIELD( basevelocity, FIELD_VECTOR ),
DEFINE_ENTITY_FIELD( movedir, FIELD_VECTOR ),
DEFINE_ENTITY_FIELD( angles, FIELD_VECTOR ),
DEFINE_ENTITY_FIELD( avelocity, FIELD_VECTOR ),
DEFINE_ENTITY_FIELD( punchangle, FIELD_VECTOR ),
DEFINE_ENTITY_FIELD( v_angle, FIELD_VECTOR ),
DEFINE_ENTITY_FIELD( fixangle, FIELD_FLOAT ),
DEFINE_ENTITY_FIELD( idealpitch, FIELD_FLOAT ),
DEFINE_ENTITY_FIELD( pitch_speed, FIELD_FLOAT ),
DEFINE_ENTITY_FIELD( ideal_yaw, FIELD_FLOAT ),
DEFINE_ENTITY_FIELD( yaw_speed, FIELD_FLOAT ),
DEFINE_ENTITY_FIELD( modelindex, FIELD_INTEGER ),
DEFINE_ENTITY_GLOBAL_FIELD( model, FIELD_MODELNAME ),
DEFINE_ENTITY_FIELD( viewmodel, FIELD_MODELNAME ),
DEFINE_ENTITY_FIELD( weaponmodel, FIELD_MODELNAME ),
DEFINE_ENTITY_FIELD( absmin, FIELD_POSITION_VECTOR ),
DEFINE_ENTITY_FIELD( absmax, FIELD_POSITION_VECTOR ),
DEFINE_ENTITY_GLOBAL_FIELD( mins, FIELD_VECTOR ),
DEFINE_ENTITY_GLOBAL_FIELD( maxs, FIELD_VECTOR ),
DEFINE_ENTITY_GLOBAL_FIELD( size, FIELD_VECTOR ),
DEFINE_ENTITY_FIELD( ltime, FIELD_TIME ),
DEFINE_ENTITY_FIELD( nextthink, FIELD_TIME ),
DEFINE_ENTITY_FIELD( solid, FIELD_INTEGER ),
DEFINE_ENTITY_FIELD( movetype, FIELD_INTEGER ),
DEFINE_ENTITY_FIELD( skin, FIELD_INTEGER ),
DEFINE_ENTITY_FIELD( body, FIELD_INTEGER ),
DEFINE_ENTITY_FIELD( effects, FIELD_INTEGER ),
DEFINE_ENTITY_FIELD( gravity, FIELD_FLOAT ),
DEFINE_ENTITY_FIELD( friction, FIELD_FLOAT ),
DEFINE_ENTITY_FIELD( light_level, FIELD_FLOAT ),
DEFINE_ENTITY_FIELD( frame, FIELD_FLOAT ),
DEFINE_ENTITY_FIELD( scale, FIELD_FLOAT ),
DEFINE_ENTITY_FIELD( sequence, FIELD_INTEGER ),
DEFINE_ENTITY_FIELD( animtime, FIELD_TIME ),
DEFINE_ENTITY_FIELD( framerate, FIELD_FLOAT ),
DEFINE_ENTITY_FIELD( controller, FIELD_INTEGER ),
DEFINE_ENTITY_FIELD( blending, FIELD_INTEGER ),
DEFINE_ENTITY_FIELD( rendermode, FIELD_INTEGER ),
DEFINE_ENTITY_FIELD( renderamt, FIELD_FLOAT ),
DEFINE_ENTITY_FIELD( rendercolor, FIELD_VECTOR ),
DEFINE_ENTITY_FIELD( renderfx, FIELD_INTEGER ),
DEFINE_ENTITY_FIELD( health, FIELD_FLOAT ),
DEFINE_ENTITY_FIELD( frags, FIELD_FLOAT ),
DEFINE_ENTITY_FIELD( weapons, FIELD_INTEGER ),
DEFINE_ENTITY_FIELD( takedamage, FIELD_FLOAT ),
DEFINE_ENTITY_FIELD( deadflag, FIELD_FLOAT ),
DEFINE_ENTITY_FIELD( view_ofs, FIELD_VECTOR ),
DEFINE_ENTITY_FIELD( button, FIELD_INTEGER ),
DEFINE_ENTITY_FIELD( impulse, FIELD_INTEGER ),
DEFINE_ENTITY_FIELD( chain, FIELD_EDICT ),
DEFINE_ENTITY_FIELD( dmg_inflictor, FIELD_EDICT ),
DEFINE_ENTITY_FIELD( enemy, FIELD_EDICT ),
DEFINE_ENTITY_FIELD( aiment, FIELD_EDICT ),
DEFINE_ENTITY_FIELD( owner, FIELD_EDICT ),
DEFINE_ENTITY_FIELD( groundentity, FIELD_EDICT ),
DEFINE_ENTITY_FIELD( spawnflags, FIELD_INTEGER ),
DEFINE_ENTITY_FIELD( flags, FIELD_FLOAT ),
DEFINE_ENTITY_FIELD( colormap, FIELD_INTEGER ),
DEFINE_ENTITY_FIELD( team, FIELD_INTEGER ),
DEFINE_ENTITY_FIELD( max_health, FIELD_FLOAT ),
DEFINE_ENTITY_FIELD( teleport_time, FIELD_TIME ),
DEFINE_ENTITY_FIELD( armortype, FIELD_FLOAT ),
DEFINE_ENTITY_FIELD( armorvalue, FIELD_FLOAT ),
DEFINE_ENTITY_FIELD( waterlevel, FIELD_INTEGER ),
DEFINE_ENTITY_FIELD( watertype, FIELD_INTEGER ),
// Having these fields be local to the individual levels makes it easier to test those levels individually.
DEFINE_ENTITY_GLOBAL_FIELD( target, FIELD_STRING ),
DEFINE_ENTITY_GLOBAL_FIELD( targetname, FIELD_STRING ),
DEFINE_ENTITY_FIELD( netname, FIELD_STRING ),
DEFINE_ENTITY_FIELD( message, FIELD_STRING ),
DEFINE_ENTITY_FIELD( dmg_take, FIELD_FLOAT ),
DEFINE_ENTITY_FIELD( dmg_save, FIELD_FLOAT ),
DEFINE_ENTITY_FIELD( dmg, FIELD_FLOAT ),
DEFINE_ENTITY_FIELD( dmgtime, FIELD_TIME ),
DEFINE_ENTITY_FIELD( noise, FIELD_SOUNDNAME ),
DEFINE_ENTITY_FIELD( noise1, FIELD_SOUNDNAME ),
DEFINE_ENTITY_FIELD( noise2, FIELD_SOUNDNAME ),
DEFINE_ENTITY_FIELD( noise3, FIELD_SOUNDNAME ),
DEFINE_ENTITY_FIELD( speed, FIELD_FLOAT ),
DEFINE_ENTITY_FIELD( air_finished, FIELD_TIME ),
DEFINE_ENTITY_FIELD( pain_finished, FIELD_TIME ),
DEFINE_ENTITY_FIELD( radsuit_finished, FIELD_TIME ),
};
#define ENTVARS_COUNT (sizeof(gEntvarsDescription)/sizeof(gEntvarsDescription[0]))
#ifdef DEBUG
edict_t *DBG_EntOfVars( const entvars_t *pev )
{
if (pev->pContainingEntity != NULL)
return pev->pContainingEntity;
ALERT(at_console, "entvars_t pContainingEntity is NULL, calling into engine");
edict_t* pent = (*g_engfuncs.pfnFindEntityByVars)((entvars_t*)pev);
if (pent == NULL)
ALERT(at_console, "DAMN! Even the engine couldn't FindEntityByVars!");
((entvars_t *)pev)->pContainingEntity = pent;
return pent;
}
#endif //DEBUG
#ifdef DEBUG
void
DBG_AssertFunction(
BOOL fExpr,
const char* szExpr,
const char* szFile,
int szLine,
const char* szMessage)
{
if (fExpr)
return;
char szOut[512];
if (szMessage != NULL)
sprintf(szOut, "ASSERT FAILED:\n %s \n(%s@%d)\n%s", szExpr, szFile, szLine, szMessage);
else
sprintf(szOut, "ASSERT FAILED:\n %s \n(%s@%d)", szExpr, szFile, szLine);
ALERT(at_console, szOut);
}
#endif // DEBUG
BOOL UTIL_GetNextBestWeapon( CBasePlayer *pPlayer, CBasePlayerItem *pCurrentWeapon )
{
return g_pGameRules->GetNextBestWeapon( pPlayer, pCurrentWeapon );
}
// ripped this out of the engine
float UTIL_AngleMod(float a)
{
if (a < 0)
{
a = a + 360 * ((int)(a / 360) + 1);
}
else if (a >= 360)
{
a = a - 360 * ((int)(a / 360));
}
// a = (360.0/65536) * ((int)(a*(65536/360.0)) & 65535);
return a;
}
float UTIL_AngleDiff( float destAngle, float srcAngle )
{
float delta;
delta = destAngle - srcAngle;
if ( destAngle > srcAngle )
{
if ( delta >= 180 )
delta -= 360;
}
else
{
if ( delta <= -180 )
delta += 360;
}
return delta;
}
Vector UTIL_VecToAngles( const Vector &vec )
{
float rgflVecOut[3];
VEC_TO_ANGLES(vec, rgflVecOut);
return Vector(rgflVecOut);
}
// float UTIL_MoveToOrigin( edict_t *pent, const Vector vecGoal, float flDist, int iMoveType )
void UTIL_MoveToOrigin( edict_t *pent, const Vector &vecGoal, float flDist, int iMoveType )
{
float rgfl[3];
vecGoal.CopyToArray(rgfl);
// return MOVE_TO_ORIGIN ( pent, rgfl, flDist, iMoveType );
MOVE_TO_ORIGIN ( pent, rgfl, flDist, iMoveType );
}
int UTIL_EntitiesInBox( CBaseEntity **pList, int listMax, const Vector &mins, const Vector &maxs, int flagMask )
{
edict_t *pEdict = g_engfuncs.pfnPEntityOfEntIndex( 1 );
CBaseEntity *pEntity;
int count;
count = 0;
if ( !pEdict )
return count;
for ( int i = 1; i < gpGlobals->maxEntities; i++, pEdict++ )
{
if ( pEdict->free ) // Not in use
continue;
if ( flagMask && !(pEdict->v.flags & flagMask) ) // Does it meet the criteria?
continue;
if ( mins.x > pEdict->v.absmax.x ||
mins.y > pEdict->v.absmax.y ||
mins.z > pEdict->v.absmax.z ||
maxs.x < pEdict->v.absmin.x ||
maxs.y < pEdict->v.absmin.y ||
maxs.z < pEdict->v.absmin.z )
continue;
pEntity = CBaseEntity::Instance(pEdict);
if ( !pEntity )
continue;
pList[ count ] = pEntity;
count++;
if ( count >= listMax )
return count;
}
return count;
}
int UTIL_MonstersInSphere( CBaseEntity **pList, int listMax, const Vector ¢er, float radius )
{
edict_t *pEdict = g_engfuncs.pfnPEntityOfEntIndex( 1 );
CBaseEntity *pEntity;
int count;
float distance, delta;
count = 0;
float radiusSquared = radius * radius;
if ( !pEdict )
return count;
for ( int i = 1; i < gpGlobals->maxEntities; i++, pEdict++ )
{
if ( pEdict->free ) // Not in use
continue;
if ( !(pEdict->v.flags & (FL_CLIENT|FL_MONSTER)) ) // Not a client/monster ?
continue;
// Use origin for X & Y since they are centered for all monsters
// Now X
delta = center.x - pEdict->v.origin.x;//(pEdict->v.absmin.x + pEdict->v.absmax.x)*0.5;
delta *= delta;
if ( delta > radiusSquared )
continue;
distance = delta;
// Now Y
delta = center.y - pEdict->v.origin.y;//(pEdict->v.absmin.y + pEdict->v.absmax.y)*0.5;
delta *= delta;
distance += delta;
if ( distance > radiusSquared )
continue;
// Now Z
delta = center.z - (pEdict->v.absmin.z + pEdict->v.absmax.z)*0.5;
delta *= delta;
distance += delta;
if ( distance > radiusSquared )
continue;
pEntity = CBaseEntity::Instance(pEdict);
if ( !pEntity )
continue;
pList[ count ] = pEntity;
count++;
if ( count >= listMax )
return count;
}
return count;
}
CBaseEntity *UTIL_FindEntityInSphere( CBaseEntity *pStartEntity, const Vector &vecCenter, float flRadius )
{
edict_t *pentEntity;
if (pStartEntity)
pentEntity = pStartEntity->edict();
else
pentEntity = NULL;
pentEntity = FIND_ENTITY_IN_SPHERE( pentEntity, vecCenter, flRadius);
if (!FNullEnt(pentEntity))
return CBaseEntity::Instance(pentEntity);
return NULL;
}
CBaseEntity *UTIL_FindEntityByString( CBaseEntity *pStartEntity, const char *szKeyword, const char *szValue )
{
edict_t *pentEntity;
if (pStartEntity)
pentEntity = pStartEntity->edict();
else
pentEntity = NULL;
pentEntity = FIND_ENTITY_BY_STRING( pentEntity, szKeyword, szValue );
if (!FNullEnt(pentEntity))
return CBaseEntity::Instance(pentEntity);
return NULL;
}
CBaseEntity *UTIL_FindEntityByClassname( CBaseEntity *pStartEntity, const char *szName )
{
return UTIL_FindEntityByString( pStartEntity, "classname", szName );
}
CBaseEntity *UTIL_FindEntityByTargetname( CBaseEntity *pStartEntity, const char *szName )
{
return UTIL_FindEntityByString( pStartEntity, "targetname", szName );
}
CBaseEntity *UTIL_FindEntityGeneric( const char *szWhatever, Vector &vecSrc, float flRadius )
{
CBaseEntity *pEntity = NULL;
pEntity = UTIL_FindEntityByTargetname( NULL, szWhatever );
if (pEntity)
return pEntity;
CBaseEntity *pSearch = NULL;
float flMaxDist2 = flRadius * flRadius;
while ((pSearch = UTIL_FindEntityByClassname( pSearch, szWhatever )) != NULL)
{
float flDist2 = (pSearch->pev->origin - vecSrc).Length();
flDist2 = flDist2 * flDist2;
if (flMaxDist2 > flDist2)
{
pEntity = pSearch;
flMaxDist2 = flDist2;
}
}
return pEntity;
}
// returns a CBaseEntity pointer to a player by index. Only returns if the player is spawned and connected
// otherwise returns NULL
// Index is 1 based
CBaseEntity *UTIL_PlayerByIndex( int playerIndex )
{
CBaseEntity *pPlayer = NULL;
if ( playerIndex > 0 && playerIndex <= gpGlobals->maxClients )
{
edict_t *pPlayerEdict = INDEXENT( playerIndex );
if ( pPlayerEdict && !pPlayerEdict->free )
{
pPlayer = CBaseEntity::Instance( pPlayerEdict );
}
}
return pPlayer;
}
void UTIL_MakeVectors( const Vector &vecAngles )
{
MAKE_VECTORS( vecAngles );
}
void UTIL_MakeAimVectors( const Vector &vecAngles )
{
float rgflVec[3];
vecAngles.CopyToArray(rgflVec);
rgflVec[0] = -rgflVec[0];
MAKE_VECTORS(rgflVec);
}
#define SWAP(a,b,temp) ((temp)=(a),(a)=(b),(b)=(temp))
void UTIL_MakeInvVectors( const Vector &vec, globalvars_t *pgv )
{
MAKE_VECTORS(vec);
float tmp;
pgv->v_right = pgv->v_right * -1;
SWAP(pgv->v_forward.y, pgv->v_right.x, tmp);
SWAP(pgv->v_forward.z, pgv->v_up.x, tmp);
SWAP(pgv->v_right.z, pgv->v_up.y, tmp);
}
void UTIL_EmitAmbientSound( edict_t *entity, const Vector &vecOrigin, const char *samp, float vol, float attenuation, int fFlags, int pitch )
{
float rgfl[3];
vecOrigin.CopyToArray(rgfl);
if (samp && *samp == '!')
{
char name[32];
if (SENTENCEG_Lookup(samp, name) >= 0)
EMIT_AMBIENT_SOUND(entity, rgfl, name, vol, attenuation, fFlags, pitch);
}
else
EMIT_AMBIENT_SOUND(entity, rgfl, samp, vol, attenuation, fFlags, pitch);
}
static unsigned short FixedUnsigned16( float value, float scale )
{
int output;
output = static_cast<int>(value * scale);
if ( output < 0 )
output = 0;
if ( output > 0xFFFF )
output = 0xFFFF;
return (unsigned short)output;
}
static short FixedSigned16( float value, float scale )
{
int output;
output = static_cast<int>(value * scale);
if ( output > 32767 )
output = 32767;
if ( output < -32768 )
output = -32768;
return (short)output;
}
// Shake the screen of all clients within radius
// radius == 0, shake all clients
// UNDONE: Allow caller to shake clients not ONGROUND?
// UNDONE: Fix falloff model (disabled)?
// UNDONE: Affect user controls?
void UTIL_ScreenShake( const Vector ¢er, float amplitude, float frequency, float duration, float radius )
{
int i;
float localAmplitude;
ScreenShake shake;
shake.duration = FixedUnsigned16( duration, 1<<12 ); // 4.12 fixed
shake.frequency = FixedUnsigned16( frequency, 1<<8 ); // 8.8 fixed
for ( i = 1; i <= gpGlobals->maxClients; i++ )
{
CBaseEntity *pPlayer = UTIL_PlayerByIndex( i );
if ( !pPlayer || !(pPlayer->pev->flags & FL_ONGROUND) ) // Don't shake if not onground
continue;
localAmplitude = 0;
if ( radius <= 0 )
localAmplitude = amplitude;
else
{
Vector delta = center - pPlayer->pev->origin;
float distance = delta.Length();
// Had to get rid of this falloff - it didn't work well
if ( distance < radius )
localAmplitude = amplitude;//radius - distance;
}
if ( localAmplitude )
{
shake.amplitude = FixedUnsigned16( localAmplitude, 1<<12 ); // 4.12 fixed
MESSAGE_BEGIN( MSG_ONE, gmsgShake, NULL, pPlayer->edict() ); // use the magic #1 for "one client"
WRITE_SHORT( shake.amplitude ); // shake amount
WRITE_SHORT( shake.duration ); // shake lasts this long
WRITE_SHORT( shake.frequency ); // shake noise frequency
MESSAGE_END();
}
}
}
void UTIL_ScreenShakeAll( const Vector ¢er, float amplitude, float frequency, float duration )
{
UTIL_ScreenShake( center, amplitude, frequency, duration, 0 );
}
void UTIL_ScreenFadeBuild( ScreenFade &fade, const Vector &color, float fadeTime, float fadeHold, int alpha, int flags )
{
fade.duration = FixedUnsigned16( fadeTime, 1<<12 ); // 4.12 fixed
fade.holdTime = FixedUnsigned16( fadeHold, 1<<12 ); // 4.12 fixed
fade.r = (int)color.x;
fade.g = (int)color.y;
fade.b = (int)color.z;
fade.a = alpha;
fade.fadeFlags = flags;
}
void UTIL_ScreenFadeWrite( const ScreenFade &fade, CBaseEntity *pEntity )
{
if ( !pEntity || !pEntity->IsNetClient() )
return;
MESSAGE_BEGIN( MSG_ONE, gmsgFade, NULL, pEntity->edict() ); // use the magic #1 for "one client"
WRITE_SHORT( fade.duration ); // fade lasts this long
WRITE_SHORT( fade.holdTime ); // fade lasts this long
WRITE_SHORT( fade.fadeFlags ); // fade type (in / out)
WRITE_BYTE( fade.r ); // fade red
WRITE_BYTE( fade.g ); // fade green
WRITE_BYTE( fade.b ); // fade blue
WRITE_BYTE( fade.a ); // fade blue
MESSAGE_END();
}
void UTIL_ScreenFadeAll( const Vector &color, float fadeTime, float fadeHold, int alpha, int flags )
{
int i;
ScreenFade fade;
UTIL_ScreenFadeBuild( fade, color, fadeTime, fadeHold, alpha, flags );
for ( i = 1; i <= gpGlobals->maxClients; i++ )
{
CBaseEntity *pPlayer = UTIL_PlayerByIndex( i );
UTIL_ScreenFadeWrite( fade, pPlayer );
}
}
void UTIL_ScreenFade( CBaseEntity *pEntity, const Vector &color, float fadeTime, float fadeHold, int alpha, int flags )
{
ScreenFade fade;
UTIL_ScreenFadeBuild( fade, color, fadeTime, fadeHold, alpha, flags );
UTIL_ScreenFadeWrite( fade, pEntity );
}
void UTIL_HudMessage( CBaseEntity *pEntity, const hudtextparms_t &textparms, const char *pMessage )
{
if ( !pEntity || !pEntity->IsNetClient() )
return;
MESSAGE_BEGIN( MSG_ONE, SVC_TEMPENTITY, NULL, pEntity->edict() );
WRITE_BYTE( TE_TEXTMESSAGE );
WRITE_BYTE( textparms.channel & 0xFF );
WRITE_SHORT( FixedSigned16( textparms.x, 1<<13 ) );
WRITE_SHORT( FixedSigned16( textparms.y, 1<<13 ) );
WRITE_BYTE( textparms.effect );
WRITE_BYTE( textparms.r1 );
WRITE_BYTE( textparms.g1 );
WRITE_BYTE( textparms.b1 );
WRITE_BYTE( textparms.a1 );
WRITE_BYTE( textparms.r2 );
WRITE_BYTE( textparms.g2 );
WRITE_BYTE( textparms.b2 );
WRITE_BYTE( textparms.a2 );
WRITE_SHORT( FixedUnsigned16( textparms.fadeinTime, 1<<8 ) );
WRITE_SHORT( FixedUnsigned16( textparms.fadeoutTime, 1<<8 ) );
WRITE_SHORT( FixedUnsigned16( textparms.holdTime, 1<<8 ) );
if ( textparms.effect == 2 )
WRITE_SHORT( FixedUnsigned16( textparms.fxTime, 1<<8 ) );
if ( strlen( pMessage ) < 512 )
{
WRITE_STRING( pMessage );
}
else
{
char tmp[512];
strncpy( tmp, pMessage, 511 );
tmp[511] = 0;
WRITE_STRING( tmp );
}
MESSAGE_END();
}
void UTIL_HudMessageAll( const hudtextparms_t &textparms, const char *pMessage )
{
int i;
for ( i = 1; i <= gpGlobals->maxClients; i++ )
{
CBaseEntity *pPlayer = UTIL_PlayerByIndex( i );
if ( pPlayer )
UTIL_HudMessage( pPlayer, textparms, pMessage );
}
}
extern int gmsgTextMsg, gmsgSayText;
void UTIL_ClientPrintAll( int msg_dest, const char *msg_name, const char *param1, const char *param2, const char *param3, const char *param4 )
{
MESSAGE_BEGIN( MSG_ALL, gmsgTextMsg );
WRITE_BYTE( msg_dest );
WRITE_STRING( msg_name );
if ( param1 )
WRITE_STRING( param1 );
if ( param2 )
WRITE_STRING( param2 );
if ( param3 )
WRITE_STRING( param3 );
if ( param4 )
WRITE_STRING( param4 );
MESSAGE_END();
}
void ClientPrint( entvars_t *client, int msg_dest, const char *msg_name, const char *param1, const char *param2, const char *param3, const char *param4 )
{
MESSAGE_BEGIN( MSG_ONE, gmsgTextMsg, NULL, client );
WRITE_BYTE( msg_dest );
WRITE_STRING( msg_name );
if ( param1 )
WRITE_STRING( param1 );
if ( param2 )
WRITE_STRING( param2 );
if ( param3 )
WRITE_STRING( param3 );
if ( param4 )
WRITE_STRING( param4 );
MESSAGE_END();
}
void UTIL_SayText( const char *pText, CBaseEntity *pEntity )
{
if ( !pEntity->IsNetClient() )
return;
MESSAGE_BEGIN( MSG_ONE, gmsgSayText, NULL, pEntity->edict() );
WRITE_BYTE( pEntity->entindex() );
WRITE_STRING( pText );
MESSAGE_END();
}
void UTIL_SayTextAll( const char *pText, CBaseEntity *pEntity )
{
MESSAGE_BEGIN( MSG_ALL, gmsgSayText, NULL );
WRITE_BYTE( pEntity->entindex() );
WRITE_STRING( pText );
MESSAGE_END();
}
char *UTIL_dtos1( int d )
{
static char buf[8];
sprintf( buf, "%d", d );
return buf;
}
char *UTIL_dtos2( int d )
{
static char buf[8];
sprintf( buf, "%d", d );
return buf;
}
char *UTIL_dtos3( int d )
{
static char buf[8];
sprintf( buf, "%d", d );
return buf;
}
char *UTIL_dtos4( int d )
{
static char buf[8];
sprintf( buf, "%d", d );
return buf;
}
void UTIL_ShowMessage( const char *pString, CBaseEntity *pEntity )
{
if ( !pEntity || !pEntity->IsNetClient() )
return;
MESSAGE_BEGIN( MSG_ONE, gmsgHudText, NULL, pEntity->edict() );
WRITE_STRING( pString );
MESSAGE_END();
}
void UTIL_ShowMessageAll( const char *pString )
{
int i;
// loop through all players
for ( i = 1; i <= gpGlobals->maxClients; i++ )
{
CBaseEntity *pPlayer = UTIL_PlayerByIndex( i );
if ( pPlayer )
UTIL_ShowMessage( pString, pPlayer );
}
}
// Overloaded to add IGNORE_GLASS
void UTIL_TraceLine( const Vector &vecStart, const Vector &vecEnd, IGNORE_MONSTERS igmon, IGNORE_GLASS ignoreGlass, edict_t *pentIgnore, TraceResult *ptr )
{
TRACE_LINE( vecStart, vecEnd, (igmon == ignore_monsters ? TRUE : FALSE) | (ignoreGlass?0x100:0), pentIgnore, ptr );
}
void UTIL_TraceLine( const Vector &vecStart, const Vector &vecEnd, IGNORE_MONSTERS igmon, edict_t *pentIgnore, TraceResult *ptr )
{
TRACE_LINE( vecStart, vecEnd, (igmon == ignore_monsters ? TRUE : FALSE), pentIgnore, ptr );
}
void UTIL_TraceHull( const Vector &vecStart, const Vector &vecEnd, IGNORE_MONSTERS igmon, int hullNumber, edict_t *pentIgnore, TraceResult *ptr )
{
TRACE_HULL( vecStart, vecEnd, (igmon == ignore_monsters ? TRUE : FALSE), hullNumber, pentIgnore, ptr );
}
void UTIL_TraceModel( const Vector &vecStart, const Vector &vecEnd, int hullNumber, edict_t *pentModel, TraceResult *ptr )
{
g_engfuncs.pfnTraceModel( vecStart, vecEnd, hullNumber, pentModel, ptr );
}
TraceResult UTIL_GetGlobalTrace( )
{
TraceResult tr;
tr.fAllSolid = static_cast<int>(gpGlobals->trace_allsolid);
tr.fStartSolid = static_cast<int>(gpGlobals->trace_startsolid);
tr.fInOpen = static_cast<int>(gpGlobals->trace_inopen);
tr.fInWater = static_cast<int>(gpGlobals->trace_inwater);
tr.flFraction = gpGlobals->trace_fraction;
tr.flPlaneDist = gpGlobals->trace_plane_dist;
tr.pHit = gpGlobals->trace_ent;
tr.vecEndPos = gpGlobals->trace_endpos;
tr.vecPlaneNormal = gpGlobals->trace_plane_normal;
tr.iHitgroup = gpGlobals->trace_hitgroup;
return tr;
}
void UTIL_SetSize( entvars_t *pev, const Vector &vecMin, const Vector &vecMax )
{
SET_SIZE( ENT(pev), vecMin, vecMax );
}
float UTIL_VecToYaw( const Vector &vec )
{
return VEC_TO_YAW(vec);