From 39ed87570bdb2f86969d4be821c94b722dc71179 Mon Sep 17 00:00:00 2001 From: Joe Ludwig Date: Wed, 26 Jun 2013 15:22:04 -0700 Subject: First version of the SOurce SDK 2013 --- mp/src/game/server/hl2/grenade_pathfollower.cpp | 330 ++++++++++++++++++++++++ 1 file changed, 330 insertions(+) create mode 100644 mp/src/game/server/hl2/grenade_pathfollower.cpp (limited to 'mp/src/game/server/hl2/grenade_pathfollower.cpp') diff --git a/mp/src/game/server/hl2/grenade_pathfollower.cpp b/mp/src/game/server/hl2/grenade_pathfollower.cpp new file mode 100644 index 00000000..44665cb0 --- /dev/null +++ b/mp/src/game/server/hl2/grenade_pathfollower.cpp @@ -0,0 +1,330 @@ +//========= Copyright Valve Corporation, All rights reserved. ============// +// +// Purpose: This is the brickbat weapon +// +// $NoKeywords: $ +//=============================================================================// + +#include "cbase.h" +#include "grenade_pathfollower.h" +#include "soundent.h" +#include "decals.h" +#include "shake.h" +#include "smoke_trail.h" +#include "entitylist.h" +#include "vstdlib/random.h" +#include "engine/IEngineSound.h" + +// memdbgon must be the last include file in a .cpp file!!! +#include "tier0/memdbgon.h" + +#define GRENADE_PF_TURN_RATE 30 +#define GRENADE_PF_TOLERANCE 300 +#define GRENADE_PF_MODEL "models/Weapons/w_missile.mdl" + +extern short g_sModelIndexFireball; // (in combatweapon.cpp) holds the index for the smoke cloud + +ConVar sk_dmg_pathfollower_grenade ( "sk_dmg_pathfollower_grenade","0"); +ConVar sk_pathfollower_grenade_radius ( "sk_pathfollower_grenade_radius","0"); + +BEGIN_DATADESC( CGrenadePathfollower ) + + DEFINE_FIELD( m_pPathTarget, FIELD_CLASSPTR ), + DEFINE_FIELD( m_flFlySpeed, FIELD_FLOAT ), + DEFINE_FIELD( m_sFlySound, FIELD_SOUNDNAME ), + DEFINE_FIELD( m_flNextFlySoundTime, FIELD_TIME), + DEFINE_FIELD( m_hRocketTrail, FIELD_EHANDLE), + + DEFINE_THINKFUNC( AimThink ), + + // Function pointers + DEFINE_ENTITYFUNC( GrenadeTouch ), + +END_DATADESC() + +LINK_ENTITY_TO_CLASS( grenade_pathfollower, CGrenadePathfollower ); + +void CGrenadePathfollower::Precache() +{ + BaseClass::Precache(); + + PrecacheScriptSound( "GrenadePathfollower.StopSounds" ); +} + +void CGrenadePathfollower::Spawn( void ) +{ + Precache( ); + + // ------------------------- + // Inert when first spawned + // ------------------------- + SetSolid( SOLID_BBOX ); + AddSolidFlags( FSOLID_NOT_SOLID ); + + SetMoveType( MOVETYPE_NONE ); + AddFlag( FL_OBJECT ); // So can be shot down + AddEffects( EF_NODRAW ); + + UTIL_SetSize(this, Vector(0, 0, 0), Vector(0, 0, 0)); + + m_flDamage = sk_dmg_pathfollower_grenade.GetFloat(); + m_DmgRadius = sk_pathfollower_grenade_radius.GetFloat(); + m_takedamage = DAMAGE_YES; + m_iHealth = 200; + + SetGravity( 0.00001 ); + SetFriction( 0.8 ); + SetSequence( 1 ); +} + +void CGrenadePathfollower::Event_Killed( const CTakeDamageInfo &info ) +{ + Detonate( ); +} + +void CGrenadePathfollower::GrenadeTouch( CBaseEntity *pOther ) +{ + // ---------------------------------- + // If I hit the sky, don't explode + // ---------------------------------- + trace_t tr; + UTIL_TraceLine ( GetAbsOrigin(), GetAbsOrigin() + GetAbsVelocity(), MASK_SOLID_BRUSHONLY, + this, COLLISION_GROUP_NONE, &tr); + + if (tr.surface.flags & SURF_SKY) + { + if(m_hRocketTrail) + { + UTIL_Remove(m_hRocketTrail); + m_hRocketTrail = NULL; + } + UTIL_Remove( this ); + } + Detonate(); +} + +//------------------------------------------------------------------------------ +// Purpose : +// Input : +// Output : +//------------------------------------------------------------------------------ +void CGrenadePathfollower::Detonate(void) +{ + StopSound(entindex(), CHAN_BODY, STRING(m_sFlySound)); + + m_takedamage = DAMAGE_NO; + + if(m_hRocketTrail) + { + UTIL_Remove(m_hRocketTrail); + m_hRocketTrail = NULL; + } + + CPASFilter filter( GetAbsOrigin() ); + + te->Explosion( filter, 0.0, + &GetAbsOrigin(), + g_sModelIndexFireball, + 0.5, + 15, + TE_EXPLFLAG_NONE, + m_DmgRadius, + m_flDamage ); + + Vector vecForward = GetAbsVelocity(); + VectorNormalize(vecForward); + trace_t tr; + UTIL_TraceLine ( GetAbsOrigin(), GetAbsOrigin() + 60*vecForward, MASK_SOLID_BRUSHONLY, this, COLLISION_GROUP_NONE, & tr); + + UTIL_DecalTrace( &tr, "Scorch" ); + + UTIL_ScreenShake( GetAbsOrigin(), 25.0, 150.0, 1.0, 750, SHAKE_START ); + CSoundEnt::InsertSound ( SOUND_DANGER, GetAbsOrigin(), 400, 0.2 ); + + RadiusDamage ( CTakeDamageInfo( this, GetThrower(), m_flDamage, DMG_BLAST ), GetAbsOrigin(), m_DmgRadius, CLASS_NONE, NULL ); + CPASAttenuationFilter filter2( this, "GrenadePathfollower.StopSounds" ); + EmitSound( filter2, entindex(), "GrenadePathfollower.StopSounds" ); + UTIL_Remove( this ); +} + +//------------------------------------------------------------------------------ +// Purpose : +// Input : +// Output : +//------------------------------------------------------------------------------ +void CGrenadePathfollower::Launch( float flLaunchSpeed, string_t sPathCornerName) +{ + m_pPathTarget = gEntList.FindEntityByName( NULL, sPathCornerName ); + if (m_pPathTarget) + { + m_flFlySpeed = flLaunchSpeed; + Vector vTargetDir = (m_pPathTarget->GetAbsOrigin() - GetAbsOrigin()); + VectorNormalize(vTargetDir); + SetAbsVelocity( m_flFlySpeed * vTargetDir ); + QAngle angles; + VectorAngles( GetAbsVelocity(), angles ); + SetLocalAngles( angles ); + } + else + { + Warning( "ERROR: Grenade_Pathfollower (%s) with no pathcorner!\n",GetDebugName()); + return; + } + + // Make this thing come to life + RemoveSolidFlags( FSOLID_NOT_SOLID ); + SetMoveType( MOVETYPE_FLYGRAVITY ); + RemoveEffects( EF_NODRAW ); + + SetUse( &CGrenadePathfollower::DetonateUse ); + SetTouch( &CGrenadePathfollower::GrenadeTouch ); + SetThink( &CGrenadePathfollower::AimThink ); + + SetNextThink( gpGlobals->curtime + 0.1f ); + + // Make the trail + m_hRocketTrail = RocketTrail::CreateRocketTrail(); + + if ( m_hRocketTrail ) + { + m_hRocketTrail->m_Opacity = 0.2f; + m_hRocketTrail->m_SpawnRate = 100; + m_hRocketTrail->m_ParticleLifetime = 0.5f; + m_hRocketTrail->m_StartColor.Init( 0.65f, 0.65f , 0.65f ); + m_hRocketTrail->m_EndColor.Init( 0.0, 0.0, 0.0 ); + m_hRocketTrail->m_StartSize = 8; + m_hRocketTrail->m_EndSize = 16; + m_hRocketTrail->m_SpawnRadius = 4; + m_hRocketTrail->m_MinSpeed = 2; + m_hRocketTrail->m_MaxSpeed = 16; + + m_hRocketTrail->SetLifetime( 999 ); + m_hRocketTrail->FollowEntity( this, "0" ); + } +} + +//----------------------------------------------------------------------------- +// Purpose: +// Input : +// Output : +//----------------------------------------------------------------------------- +void CGrenadePathfollower::PlayFlySound(void) +{ + if (gpGlobals->curtime > m_flNextFlySoundTime) + { + CPASAttenuationFilter filter( this, 0.8 ); + + EmitSound_t ep; + ep.m_nChannel = CHAN_BODY; + ep.m_pSoundName = STRING(m_sFlySound); + ep.m_flVolume = 1.0f; + ep.m_SoundLevel = SNDLVL_NORM; + + EmitSound( filter, entindex(), ep ); + m_flNextFlySoundTime = gpGlobals->curtime + 1.0; + } +} + +//------------------------------------------------------------------------------ +// Purpose : +// Input : +// Output : +//------------------------------------------------------------------------------ +void CGrenadePathfollower::AimThink( void ) +{ + PlayFlySound(); + + // --------------------------------------------------- + // Check if it's time to skip to the next path corner + // --------------------------------------------------- + if (m_pPathTarget) + { + float flLength = (GetAbsOrigin() - m_pPathTarget->GetAbsOrigin()).Length(); + if (flLength < GRENADE_PF_TOLERANCE) + { + m_pPathTarget = gEntList.FindEntityByName( NULL, m_pPathTarget->m_target ); + if (!m_pPathTarget) + { + SetGravity( 1.0 ); + } + } + } + + // -------------------------------------------------- + // If I have a pathcorner, aim towards it + // -------------------------------------------------- + if (m_pPathTarget) + { + Vector vTargetDir = (m_pPathTarget->GetAbsOrigin() - GetAbsOrigin()); + VectorNormalize(vTargetDir); + + Vector vecNewVelocity = GetAbsVelocity(); + VectorNormalize(vecNewVelocity); + + float flTimeToUse = gpGlobals->frametime; + while (flTimeToUse > 0) + { + vecNewVelocity += vTargetDir; + flTimeToUse = -0.1; + } + vecNewVelocity *= m_flFlySpeed; + SetAbsVelocity( vecNewVelocity ); + } + + QAngle angles; + VectorAngles( GetAbsVelocity(), angles ); + SetLocalAngles( angles ); + SetNextThink( gpGlobals->curtime + 0.1f ); +} + +//------------------------------------------------------------------------------ +// Purpose : +// Input : +// Output : +//------------------------------------------------------------------------------ +Class_T CGrenadePathfollower::Classify( void) +{ + return CLASS_MISSILE; +}; + +CGrenadePathfollower::CGrenadePathfollower(void) +{ + m_hRocketTrail = NULL; +} + +//------------------------------------------------------------------------------ +// Purpose : In case somehow we get removed w/o detonating, make sure +// we stop making sounds +// Input : +// Output : +//------------------------------------------------------------------------------ +CGrenadePathfollower::~CGrenadePathfollower(void) +{ + StopSound(entindex(), CHAN_BODY, STRING(m_sFlySound)); +} + +///------------------------------------------------------------------------------ +// Purpose : +// Input : +// Output : +//------------------------------------------------------------------------------ +CGrenadePathfollower* CGrenadePathfollower::CreateGrenadePathfollower( string_t sModelName, string_t sFlySound, const Vector &vecOrigin, const QAngle &vecAngles, edict_t *pentOwner ) +{ + CGrenadePathfollower *pGrenade = (CGrenadePathfollower*)CreateEntityByName( "grenade_pathfollower" ); + if ( !pGrenade ) + { + Warning( "NULL Ent in CGrenadePathfollower!\n" ); + return NULL; + } + + if ( pGrenade->edict() ) + { + pGrenade->m_sFlySound = sFlySound; + pGrenade->SetOwnerEntity( Instance( pentOwner ) ); + pGrenade->SetLocalOrigin( vecOrigin ); + pGrenade->SetLocalAngles( vecAngles ); + pGrenade->SetModel( STRING(sModelName) ); + pGrenade->Spawn(); + } + return pGrenade; +} -- cgit v1.2.3