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| author | Joe Ludwig <[email protected]> | 2013-06-26 15:22:04 -0700 |
|---|---|---|
| committer | Joe Ludwig <[email protected]> | 2013-06-26 15:22:04 -0700 |
| commit | 39ed87570bdb2f86969d4be821c94b722dc71179 (patch) | |
| tree | abc53757f75f40c80278e87650ea92808274aa59 /mp/src/game/server/EntityFlame.cpp | |
| download | source-sdk-2013-39ed87570bdb2f86969d4be821c94b722dc71179.tar.xz source-sdk-2013-39ed87570bdb2f86969d4be821c94b722dc71179.zip | |
First version of the SOurce SDK 2013
Diffstat (limited to 'mp/src/game/server/EntityFlame.cpp')
| -rw-r--r-- | mp/src/game/server/EntityFlame.cpp | 335 |
1 files changed, 335 insertions, 0 deletions
diff --git a/mp/src/game/server/EntityFlame.cpp b/mp/src/game/server/EntityFlame.cpp new file mode 100644 index 00000000..00da8659 --- /dev/null +++ b/mp/src/game/server/EntityFlame.cpp @@ -0,0 +1,335 @@ +//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Flame entity to be attached to target entity. Serves two purposes:
+//
+// 1) An entity that can be placed by a level designer and triggered
+// to ignite a target entity.
+//
+// 2) An entity that can be created at runtime to ignite a target entity.
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "EntityFlame.h"
+#include "ai_basenpc.h"
+#include "fire.h"
+#include "shareddefs.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+BEGIN_DATADESC( CEntityFlame )
+
+ DEFINE_KEYFIELD( m_flLifetime, FIELD_FLOAT, "lifetime" ),
+
+ DEFINE_FIELD( m_flSize, FIELD_FLOAT ),
+ DEFINE_FIELD( m_hEntAttached, FIELD_EHANDLE ),
+ DEFINE_FIELD( m_bUseHitboxes, FIELD_BOOLEAN ),
+ DEFINE_FIELD( m_iNumHitboxFires, FIELD_INTEGER ),
+ DEFINE_FIELD( m_flHitboxFireScale, FIELD_FLOAT ),
+ // DEFINE_FIELD( m_bPlayingSound, FIELD_BOOLEAN ),
+
+ DEFINE_FUNCTION( FlameThink ),
+
+ DEFINE_INPUTFUNC( FIELD_VOID, "Ignite", InputIgnite ),
+
+END_DATADESC()
+
+
+IMPLEMENT_SERVERCLASS_ST( CEntityFlame, DT_EntityFlame )
+ SendPropEHandle( SENDINFO( m_hEntAttached ) ),
+END_SEND_TABLE()
+
+LINK_ENTITY_TO_CLASS( entityflame, CEntityFlame );
+LINK_ENTITY_TO_CLASS( env_entity_igniter, CEntityFlame );
+PRECACHE_REGISTER(entityflame);
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+CEntityFlame::CEntityFlame( void )
+{
+ m_flSize = 0.0f;
+ m_iNumHitboxFires = 10;
+ m_flHitboxFireScale = 1.0f;
+ m_flLifetime = 0.0f;
+ m_bPlayingSound = false;
+}
+
+void CEntityFlame::UpdateOnRemove()
+{
+ // Sometimes the entity I'm burning gets destroyed by other means,
+ // which kills me. Make sure to stop the burning sound.
+ if ( m_bPlayingSound )
+ {
+ EmitSound( "General.StopBurning" );
+ m_bPlayingSound = false;
+ }
+
+ BaseClass::UpdateOnRemove();
+}
+
+void CEntityFlame::Precache()
+{
+ BaseClass::Precache();
+
+ PrecacheScriptSound( "General.StopBurning" );
+ PrecacheScriptSound( "General.BurningFlesh" );
+ PrecacheScriptSound( "General.BurningObject" );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+// Input : inputdata -
+//-----------------------------------------------------------------------------
+void CEntityFlame::InputIgnite( inputdata_t &inputdata )
+{
+ if (m_target != NULL_STRING)
+ {
+ CBaseEntity *pTarget = NULL;
+ while ((pTarget = gEntList.FindEntityGeneric(pTarget, STRING(m_target), this, inputdata.pActivator)) != NULL)
+ {
+ // Combat characters know how to catch themselves on fire.
+ CBaseCombatCharacter *pBCC = pTarget->MyCombatCharacterPointer();
+ if (pBCC)
+ {
+ // DVS TODO: consider promoting Ignite to CBaseEntity and doing everything here
+ pBCC->Ignite(m_flLifetime);
+ }
+ // Everything else, we handle here.
+ else
+ {
+ CEntityFlame *pFlame = CEntityFlame::Create(pTarget);
+ if (pFlame)
+ {
+ pFlame->SetLifetime(m_flLifetime);
+ }
+ }
+ }
+ }
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Creates a flame and attaches it to a target entity.
+// Input : pTarget -
+//-----------------------------------------------------------------------------
+CEntityFlame *CEntityFlame::Create( CBaseEntity *pTarget, bool useHitboxes )
+{
+ CEntityFlame *pFlame = (CEntityFlame *) CreateEntityByName( "entityflame" );
+
+ if ( pFlame == NULL )
+ return NULL;
+
+ float xSize = pTarget->CollisionProp()->OBBMaxs().x - pTarget->CollisionProp()->OBBMins().x;
+ float ySize = pTarget->CollisionProp()->OBBMaxs().y - pTarget->CollisionProp()->OBBMins().y;
+
+ float size = ( xSize + ySize ) * 0.5f;
+
+ if ( size < 16.0f )
+ {
+ size = 16.0f;
+ }
+
+ UTIL_SetOrigin( pFlame, pTarget->GetAbsOrigin() );
+
+ pFlame->m_flSize = size;
+ pFlame->SetThink( &CEntityFlame::FlameThink );
+ pFlame->SetNextThink( gpGlobals->curtime + 0.1f );
+
+ pFlame->AttachToEntity( pTarget );
+ pFlame->SetLifetime( 2.0f );
+
+ //Send to the client even though we don't have a model
+ pFlame->AddEFlags( EFL_FORCE_CHECK_TRANSMIT );
+
+ pFlame->SetUseHitboxes( useHitboxes );
+
+ return pFlame;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Attaches the flame to an entity and moves with it
+// Input : pTarget - target entity to attach to
+//-----------------------------------------------------------------------------
+void CEntityFlame::AttachToEntity( CBaseEntity *pTarget )
+{
+ // For networking to the client.
+ m_hEntAttached = pTarget;
+
+ if( pTarget->IsNPC() )
+ {
+ EmitSound( "General.BurningFlesh" );
+ }
+ else
+ {
+ EmitSound( "General.BurningObject" );
+ }
+
+ m_bPlayingSound = true;
+
+ // So our heat emitter follows the entity around on the server.
+ SetParent( pTarget );
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose:
+// Input : lifetime -
+//-----------------------------------------------------------------------------
+void CEntityFlame::SetLifetime( float lifetime )
+{
+ m_flLifetime = gpGlobals->curtime + lifetime;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+// Input : use -
+//-----------------------------------------------------------------------------
+void CEntityFlame::SetUseHitboxes( bool use )
+{
+ m_bUseHitboxes = use;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+// Input : iNumHitBoxFires -
+//-----------------------------------------------------------------------------
+void CEntityFlame::SetNumHitboxFires( int iNumHitboxFires )
+{
+ m_iNumHitboxFires = iNumHitboxFires;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+// Input : flHitboxFireScale -
+//-----------------------------------------------------------------------------
+void CEntityFlame::SetHitboxFireScale( float flHitboxFireScale )
+{
+ m_flHitboxFireScale = flHitboxFireScale;
+}
+
+float CEntityFlame::GetRemainingLife( void )
+{
+ return m_flLifetime - gpGlobals->curtime;
+}
+
+int CEntityFlame::GetNumHitboxFires( void )
+{
+ return m_iNumHitboxFires;
+}
+
+float CEntityFlame::GetHitboxFireScale( void )
+{
+ return m_flHitboxFireScale;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Burn targets around us
+//-----------------------------------------------------------------------------
+void CEntityFlame::FlameThink( void )
+{
+ // Assure that this function will be ticked again even if we early-out in the if below.
+ SetNextThink( gpGlobals->curtime + FLAME_DAMAGE_INTERVAL );
+
+ if ( m_hEntAttached )
+ {
+ if ( m_hEntAttached->GetFlags() & FL_TRANSRAGDOLL )
+ {
+ SetRenderColorA( 0 );
+ return;
+ }
+
+ CAI_BaseNPC *pNPC = m_hEntAttached->MyNPCPointer();
+ if ( pNPC && !pNPC->IsAlive() )
+ {
+ UTIL_Remove( this );
+ // Notify the NPC that it's no longer burning!
+ pNPC->Extinguish();
+ return;
+ }
+
+ if( m_hEntAttached->GetWaterLevel() > 0 )
+ {
+ Vector mins, maxs;
+
+ mins = m_hEntAttached->WorldSpaceCenter();
+ maxs = mins;
+
+ maxs.z = m_hEntAttached->WorldSpaceCenter().z;
+ maxs.x += 32;
+ maxs.y += 32;
+
+ mins.z -= 32;
+ mins.x -= 32;
+ mins.y -= 32;
+
+ UTIL_Bubbles( mins, maxs, 12 );
+ }
+ }
+ else
+ {
+ UTIL_Remove( this );
+ return;
+ }
+
+ // See if we're done burning, or our attached ent has vanished
+ if ( m_flLifetime < gpGlobals->curtime || m_hEntAttached == NULL )
+ {
+ EmitSound( "General.StopBurning" );
+ m_bPlayingSound = false;
+ SetThink( &CEntityFlame::SUB_Remove );
+ SetNextThink( gpGlobals->curtime + 0.5f );
+
+ // Notify anything we're attached to
+ if ( m_hEntAttached )
+ {
+ CBaseCombatCharacter *pAttachedCC = m_hEntAttached->MyCombatCharacterPointer();
+
+ if( pAttachedCC )
+ {
+ // Notify the NPC that it's no longer burning!
+ pAttachedCC->Extinguish();
+ }
+ }
+
+ return;
+ }
+
+ if ( m_hEntAttached )
+ {
+ // Do radius damage ignoring the entity I'm attached to. This will harm things around me.
+ RadiusDamage( CTakeDamageInfo( this, this, 4.0f, DMG_BURN ), GetAbsOrigin(), m_flSize/2, CLASS_NONE, m_hEntAttached );
+
+ // Directly harm the entity I'm attached to. This is so we can precisely control how much damage the entity
+ // that is on fire takes without worrying about the flame's position relative to the bodytarget (which is the
+ // distance that the radius damage code uses to determine how much damage to inflict)
+ m_hEntAttached->TakeDamage( CTakeDamageInfo( this, this, FLAME_DIRECT_DAMAGE, DMG_BURN | DMG_DIRECT ) );
+
+ if( !m_hEntAttached->IsNPC() && hl2_episodic.GetBool() )
+ {
+ const float ENTITYFLAME_MOVE_AWAY_DIST = 24.0f;
+ // Make a sound near my origin, and up a little higher (in case I'm on the ground, so NPC's still hear it)
+ CSoundEnt::InsertSound( SOUND_MOVE_AWAY, GetAbsOrigin(), ENTITYFLAME_MOVE_AWAY_DIST, 0.1f, this, SOUNDENT_CHANNEL_REPEATED_DANGER );
+ CSoundEnt::InsertSound( SOUND_MOVE_AWAY, GetAbsOrigin() + Vector( 0, 0, 48.0f ), ENTITYFLAME_MOVE_AWAY_DIST, 0.1f, this, SOUNDENT_CHANNEL_REPEATING );
+ }
+ }
+ else
+ {
+ RadiusDamage( CTakeDamageInfo( this, this, FLAME_RADIUS_DAMAGE, DMG_BURN ), GetAbsOrigin(), m_flSize/2, CLASS_NONE, NULL );
+ }
+
+ FireSystem_AddHeatInRadius( GetAbsOrigin(), m_flSize/2, 2.0f );
+
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose:
+// Input : pEnt -
+//-----------------------------------------------------------------------------
+void CreateEntityFlame(CBaseEntity *pEnt)
+{
+ CEntityFlame::Create( pEnt );
+}
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