NS/main/source/dlls/explode.cpp
2014-12-16 14:36:27 +01:00

277 lines
6.9 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( &CEnvExplosion::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 &center, const Vector &angles, edict_t *pOwner, int magnitude, BOOL doDamage, int inExplosionTeam)
{
KeyValueData kvd;
char buf[128];
CBaseEntity *pExplosion = CBaseEntity::Create( "env_explosion", center, angles, pOwner );
CEnvExplosion* theExplosion = dynamic_cast<CEnvExplosion*>(pExplosion);
ASSERT(theExplosion);
pExplosion->pev->team = inExplosionTeam;
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 );
}