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181 lines
5.4 KiB
181 lines
5.4 KiB
![]()
4 years ago
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: A blood spray effect to expose successful hits.
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//
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//=============================================================================//
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#include "cbase.h"
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#include "clienteffectprecachesystem.h"
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#include "fx_sparks.h"
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#include "iefx.h"
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#include "c_te_effect_dispatch.h"
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#include "particles_ez.h"
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#include "decals.h"
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#include "engine/IEngineSound.h"
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#include "fx_quad.h"
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#include "engine/ivdebugoverlay.h"
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#include "shareddefs.h"
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#include "fx_blood.h"
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#include "view.h"
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#include "c_tf_player.h"
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#include "debugoverlay_shared.h"
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#include "tf_gamerules.h"
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#include "c_basetempentity.h"
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#include "tier0/vprof.h"
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//-----------------------------------------------------------------------------
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// Purpose: Intercepts the blood spray message.
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//-----------------------------------------------------------------------------
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void TFBloodSprayCallback( Vector vecOrigin, Vector vecNormal, ClientEntityHandle_t hEntity )
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{
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QAngle vecAngles;
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VectorAngles( -vecNormal, vecAngles );
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// determine if the bleeding player is underwater
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bool bUnderwater = false;
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C_TFPlayer *pPlayer = dynamic_cast<C_TFPlayer*>( ClientEntityList().GetBaseEntityFromHandle( hEntity ) );
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if ( pPlayer && ( WL_Eyes == pPlayer->GetWaterLevel() ) )
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{
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bUnderwater = true;
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}
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bool bPyroVision = false;
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#ifdef CLIENT_DLL
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// Use birthday fun if the local player has an item that allows them to see it (Pyro Goggles)
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if ( IsLocalPlayerUsingVisionFilterFlags( TF_VISION_FILTER_PYRO ) )
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{
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bPyroVision = true;
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}
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#endif
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if ( !bUnderwater && TFGameRules() && TFGameRules()->IsBirthday() && RandomFloat(0,1) < 0.2 )
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{
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DispatchParticleEffect( "bday_blood", vecOrigin, vecAngles, pPlayer );
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}
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else if ( TFGameRules() && bPyroVision )
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{
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DispatchParticleEffect( "pyrovision_blood", vecOrigin, vecAngles, pPlayer );
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}
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else if ( UTIL_IsLowViolence() )
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{
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DispatchParticleEffect( bUnderwater ? "lowV_water_blood_impact_red_01" : "lowV_blood_impact_red_01", vecOrigin, vecAngles, pPlayer );
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}
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else
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{
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DispatchParticleEffect( bUnderwater ? "water_blood_impact_red_01" : "blood_impact_red_01", vecOrigin, vecAngles, pPlayer );
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}
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// if underwater, don't add additional spray
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if ( bUnderwater )
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return;
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// Now throw out a spray away from the view
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// Get the distance to the view
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float flDistance = (vecOrigin - MainViewOrigin()).Length();
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float flLODDistance = 0.25 * (flDistance / 512);
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Vector right, up;
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if (vecNormal != Vector(0, 0, 1) )
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{
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right = vecNormal.Cross( Vector(0, 0, 1) );
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up = right.Cross( vecNormal );
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}
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else
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{
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right = Vector(0, 0, 1);
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up = right.Cross( vecNormal );
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}
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// If the normal's too close to being along the view, push it out
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Vector vecForward, vecRight;
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AngleVectors( MainViewAngles(), &vecForward, &vecRight, NULL );
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float flDot = DotProduct( vecNormal, vecForward );
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if ( fabs(flDot) > 0.5 )
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{
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float flPush = random->RandomFloat(0.5, 1.5) + flLODDistance;
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float flRightDot = DotProduct( vecNormal, vecRight );
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// If we're up close, randomly move it around. If we're at a distance, always push it to the side
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// Up close, this can move it back towards the view, but the random chance still looks better
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if ( ( flDistance >= 512 && flRightDot > 0 ) || ( flDistance < 512 && RandomFloat(0,1) > 0.5 ) )
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{
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// Turn it to the right
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vecNormal += (vecRight * flPush);
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}
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else
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{
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// Turn it to the left
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vecNormal -= (vecRight * flPush);
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}
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}
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VectorAngles( vecNormal, vecAngles );
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if ( flDistance < 400 )
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{
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DispatchParticleEffect( UTIL_IsLowViolence() ? "lowV_blood_spray_red_01" : "blood_spray_red_01", vecOrigin, vecAngles, pPlayer );
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}
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else
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{
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DispatchParticleEffect( UTIL_IsLowViolence() ? "lowV_blood_spray_red_01_far" : "blood_spray_red_01_far", vecOrigin, vecAngles, pPlayer );
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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class C_TETFBlood : public C_BaseTempEntity
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{
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public:
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DECLARE_CLASS( C_TETFBlood, C_BaseTempEntity );
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DECLARE_CLIENTCLASS();
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C_TETFBlood( void );
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virtual void PostDataUpdate( DataUpdateType_t updateType );
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public:
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Vector m_vecOrigin;
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Vector m_vecNormal;
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ClientEntityHandle_t m_hEntity;
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};
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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C_TETFBlood::C_TETFBlood( void )
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{
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m_vecOrigin.Init();
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m_vecNormal.Init();
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m_hEntity = INVALID_EHANDLE_INDEX;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void C_TETFBlood::PostDataUpdate( DataUpdateType_t updateType )
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{
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VPROF( "C_TETFBlood::PostDataUpdate" );
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TFBloodSprayCallback( m_vecOrigin, m_vecNormal, m_hEntity );
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}
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static void RecvProxy_BloodEntIndex( const CRecvProxyData *pData, void *pStruct, void *pOut )
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{
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int nEntIndex = pData->m_Value.m_Int;
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((C_TETFBlood*)pStruct)->m_hEntity = (nEntIndex < 0) ? INVALID_EHANDLE_INDEX : ClientEntityList().EntIndexToHandle( nEntIndex );
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}
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IMPLEMENT_CLIENTCLASS_EVENT_DT(C_TETFBlood, DT_TETFBlood, CTETFBlood)
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RecvPropFloat( RECVINFO( m_vecOrigin[0] ) ),
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RecvPropFloat( RECVINFO( m_vecOrigin[1] ) ),
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RecvPropFloat( RECVINFO( m_vecOrigin[2] ) ),
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RecvPropVector( RECVINFO(m_vecNormal)),
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RecvPropInt( "entindex", 0, SIZEOF_IGNORE, 0, RecvProxy_BloodEntIndex ),
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END_RECV_TABLE()
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