forked from valve/halflife-sdk
273 lines
6.7 KiB
C++
273 lines
6.7 KiB
C++
/***
|
|
*
|
|
* Copyright (c) 1999, 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.
|
|
*
|
|
****/
|
|
/*
|
|
|
|
===== explode.cpp ========================================================
|
|
|
|
Explosion-related code
|
|
|
|
*/
|
|
#include "extdll.h"
|
|
#include "util.h"
|
|
#include "cbase.h"
|
|
#include "decals.h"
|
|
#include "explode.h"
|
|
|
|
// Spark Shower
|
|
class CShower : public CBaseEntity
|
|
{
|
|
void Spawn( void );
|
|
void Think( void );
|
|
void Touch( CBaseEntity *pOther );
|
|
int ObjectCaps( void ) { return FCAP_DONT_SAVE; }
|
|
};
|
|
|
|
LINK_ENTITY_TO_CLASS( spark_shower, CShower );
|
|
|
|
void CShower::Spawn( void )
|
|
{
|
|
pev->velocity = RANDOM_FLOAT( 200, 300 ) * pev->angles;
|
|
pev->velocity.x += RANDOM_FLOAT(-100.f,100.f);
|
|
pev->velocity.y += RANDOM_FLOAT(-100.f,100.f);
|
|
if ( pev->velocity.z >= 0 )
|
|
pev->velocity.z += 200;
|
|
else
|
|
pev->velocity.z -= 200;
|
|
pev->movetype = MOVETYPE_BOUNCE;
|
|
pev->gravity = 0.5;
|
|
pev->nextthink = gpGlobals->time + 0.1;
|
|
pev->solid = SOLID_NOT;
|
|
SET_MODEL( edict(), "models/grenade.mdl"); // Need a model, just use the grenade, we don't draw it anyway
|
|
UTIL_SetSize(pev, g_vecZero, g_vecZero );
|
|
pev->effects |= EF_NODRAW;
|
|
pev->speed = RANDOM_FLOAT( 0.5, 1.5 );
|
|
|
|
pev->angles = g_vecZero;
|
|
}
|
|
|
|
|
|
void CShower::Think( void )
|
|
{
|
|
UTIL_Sparks( pev->origin );
|
|
|
|
pev->speed -= 0.1;
|
|
if ( pev->speed > 0 )
|
|
pev->nextthink = gpGlobals->time + 0.1;
|
|
else
|
|
UTIL_Remove( this );
|
|
pev->flags &= ~FL_ONGROUND;
|
|
}
|
|
|
|
void CShower::Touch( CBaseEntity *pOther )
|
|
{
|
|
if ( pev->flags & FL_ONGROUND )
|
|
pev->velocity = pev->velocity * 0.1;
|
|
else
|
|
pev->velocity = pev->velocity * 0.6;
|
|
|
|
if ( (pev->velocity.x*pev->velocity.x+pev->velocity.y*pev->velocity.y) < 10.0 )
|
|
pev->speed = 0;
|
|
}
|
|
|
|
class CEnvExplosion : public CBaseMonster
|
|
{
|
|
public:
|
|
void Spawn( );
|
|
void EXPORT Smoke ( void );
|
|
void KeyValue( KeyValueData *pkvd );
|
|
void Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );
|
|
|
|
virtual int Save( CSave &save );
|
|
virtual int Restore( CRestore &restore );
|
|
static TYPEDESCRIPTION m_SaveData[];
|
|
|
|
int m_iMagnitude;// how large is the fireball? how much damage?
|
|
int m_spriteScale; // what's the exact fireball sprite scale?
|
|
};
|
|
|
|
TYPEDESCRIPTION CEnvExplosion::m_SaveData[] =
|
|
{
|
|
DEFINE_FIELD( CEnvExplosion, m_iMagnitude, FIELD_INTEGER ),
|
|
DEFINE_FIELD( CEnvExplosion, m_spriteScale, FIELD_INTEGER ),
|
|
};
|
|
|
|
IMPLEMENT_SAVERESTORE( CEnvExplosion, CBaseMonster );
|
|
LINK_ENTITY_TO_CLASS( env_explosion, CEnvExplosion );
|
|
|
|
void CEnvExplosion::KeyValue( KeyValueData *pkvd )
|
|
{
|
|
if (FStrEq(pkvd->szKeyName, "iMagnitude"))
|
|
{
|
|
m_iMagnitude = atoi(pkvd->szValue);
|
|
pkvd->fHandled = TRUE;
|
|
}
|
|
else
|
|
CBaseEntity::KeyValue( pkvd );
|
|
}
|
|
|
|
void CEnvExplosion::Spawn( void )
|
|
{
|
|
pev->solid = SOLID_NOT;
|
|
pev->effects = EF_NODRAW;
|
|
|
|
pev->movetype = MOVETYPE_NONE;
|
|
/*
|
|
if ( m_iMagnitude > 250 )
|
|
{
|
|
m_iMagnitude = 250;
|
|
}
|
|
*/
|
|
|
|
float flSpriteScale;
|
|
flSpriteScale = ( m_iMagnitude - 50) * 0.6;
|
|
|
|
/*
|
|
if ( flSpriteScale > 50 )
|
|
{
|
|
flSpriteScale = 50;
|
|
}
|
|
*/
|
|
if ( flSpriteScale < 10 )
|
|
{
|
|
flSpriteScale = 10;
|
|
}
|
|
|
|
m_spriteScale = (int)flSpriteScale;
|
|
}
|
|
|
|
void CEnvExplosion::Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
|
|
{
|
|
TraceResult tr;
|
|
|
|
pev->model = iStringNull;//invisible
|
|
pev->solid = SOLID_NOT;// intangible
|
|
|
|
Vector vecSpot;// trace starts here!
|
|
|
|
vecSpot = pev->origin + Vector ( 0 , 0 , 8 );
|
|
|
|
UTIL_TraceLine ( vecSpot, vecSpot + Vector ( 0, 0, -40 ), ignore_monsters, ENT(pev), & tr);
|
|
|
|
// Pull out of the wall a bit
|
|
if ( tr.flFraction != 1.0 )
|
|
{
|
|
pev->origin = tr.vecEndPos + (tr.vecPlaneNormal * (m_iMagnitude - 24) * 0.6);
|
|
}
|
|
else
|
|
{
|
|
pev->origin = pev->origin;
|
|
}
|
|
|
|
// draw decal
|
|
if (! ( pev->spawnflags & SF_ENVEXPLOSION_NODECAL))
|
|
{
|
|
if ( RANDOM_FLOAT( 0 , 1 ) < 0.5 )
|
|
{
|
|
UTIL_DecalTrace( &tr, DECAL_SCORCH1 );
|
|
}
|
|
else
|
|
{
|
|
UTIL_DecalTrace( &tr, DECAL_SCORCH2 );
|
|
}
|
|
}
|
|
|
|
// draw fireball
|
|
if ( !( pev->spawnflags & SF_ENVEXPLOSION_NOFIREBALL ) )
|
|
{
|
|
MESSAGE_BEGIN( MSG_PAS, SVC_TEMPENTITY, pev->origin );
|
|
WRITE_BYTE( TE_EXPLOSION);
|
|
WRITE_COORD( pev->origin.x );
|
|
WRITE_COORD( pev->origin.y );
|
|
WRITE_COORD( pev->origin.z );
|
|
WRITE_SHORT( g_sModelIndexFireball );
|
|
WRITE_BYTE( (BYTE)m_spriteScale ); // scale * 10
|
|
WRITE_BYTE( 15 ); // framerate
|
|
WRITE_BYTE( TE_EXPLFLAG_NONE );
|
|
MESSAGE_END();
|
|
}
|
|
else
|
|
{
|
|
MESSAGE_BEGIN( MSG_PAS, SVC_TEMPENTITY, pev->origin );
|
|
WRITE_BYTE( TE_EXPLOSION);
|
|
WRITE_COORD( pev->origin.x );
|
|
WRITE_COORD( pev->origin.y );
|
|
WRITE_COORD( pev->origin.z );
|
|
WRITE_SHORT( g_sModelIndexFireball );
|
|
WRITE_BYTE( 0 ); // no sprite
|
|
WRITE_BYTE( 15 ); // framerate
|
|
WRITE_BYTE( TE_EXPLFLAG_NONE );
|
|
MESSAGE_END();
|
|
}
|
|
|
|
// do damage
|
|
if ( !( pev->spawnflags & SF_ENVEXPLOSION_NODAMAGE ) )
|
|
{
|
|
RadiusDamage ( pev, pev, m_iMagnitude, CLASS_NONE, DMG_BLAST );
|
|
}
|
|
|
|
SetThink( Smoke );
|
|
pev->nextthink = gpGlobals->time + 0.3;
|
|
|
|
// draw sparks
|
|
if ( !( pev->spawnflags & SF_ENVEXPLOSION_NOSPARKS ) )
|
|
{
|
|
int sparkCount = RANDOM_LONG(0,3);
|
|
|
|
for ( int i = 0; i < sparkCount; i++ )
|
|
{
|
|
Create( "spark_shower", pev->origin, tr.vecPlaneNormal, NULL );
|
|
}
|
|
}
|
|
}
|
|
|
|
void CEnvExplosion::Smoke( void )
|
|
{
|
|
if ( !( pev->spawnflags & SF_ENVEXPLOSION_NOSMOKE ) )
|
|
{
|
|
MESSAGE_BEGIN( MSG_PAS, SVC_TEMPENTITY, pev->origin );
|
|
WRITE_BYTE( TE_SMOKE );
|
|
WRITE_COORD( pev->origin.x );
|
|
WRITE_COORD( pev->origin.y );
|
|
WRITE_COORD( pev->origin.z );
|
|
WRITE_SHORT( g_sModelIndexSmoke );
|
|
WRITE_BYTE( (BYTE)m_spriteScale ); // scale * 10
|
|
WRITE_BYTE( 12 ); // framerate
|
|
MESSAGE_END();
|
|
}
|
|
|
|
if ( !(pev->spawnflags & SF_ENVEXPLOSION_REPEATABLE) )
|
|
{
|
|
UTIL_Remove( this );
|
|
}
|
|
}
|
|
|
|
|
|
// HACKHACK -- create one of these and fake a keyvalue to get the right explosion setup
|
|
void ExplosionCreate( const Vector ¢er, const Vector &angles, edict_t *pOwner, int magnitude, BOOL doDamage )
|
|
{
|
|
KeyValueData kvd;
|
|
char buf[128];
|
|
|
|
CBaseEntity *pExplosion = CBaseEntity::Create( "env_explosion", center, angles, pOwner );
|
|
sprintf( buf, "%3d", magnitude );
|
|
kvd.szKeyName = "iMagnitude";
|
|
kvd.szValue = buf;
|
|
pExplosion->KeyValue( &kvd );
|
|
if ( !doDamage )
|
|
pExplosion->pev->spawnflags |= SF_ENVEXPLOSION_NODAMAGE;
|
|
|
|
pExplosion->Spawn();
|
|
pExplosion->Use( NULL, NULL, USE_TOGGLE, 0 );
|
|
}
|