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125 lines
3.6 KiB
125 lines
3.6 KiB
![]()
4 years ago
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Game-specific impact effect hooks
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//
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//=============================================================================
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#include "cbase.h"
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#include "fx.h"
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#include "c_te_effect_dispatch.h"
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#include "tier0/vprof.h"
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#include "clientsideeffects.h"
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#include "clienteffectprecachesystem.h"
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#include "view.h"
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#include "collisionutils.h"
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#include "SoundEmitterSystem/isoundemittersystembase.h"
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#include "engine/IEngineSound.h"
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// memdbgon must be the last include file in a .cpp file!!!
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#include "tier0/memdbgon.h"
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CLIENTEFFECT_REGISTER_BEGIN( PrecacheTFTracers )
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CLIENTEFFECT_MATERIAL( "effects/spark" )
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CLIENTEFFECT_REGISTER_END()
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#define LISTENER_HEIGHT 24
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#define TRACER_TYPE_FAINT 4
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void FX_TFTracerSound( const Vector &start, const Vector &end, int iTracerType )
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{
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// don't play on very short hits
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if ( ( start - end ).Length() < 200 )
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return;
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const char *pszSoundName = "Bullets.DefaultNearmiss";
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float flWhizDist = 64;
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Vector vecListenOrigin = MainViewOrigin();
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switch( iTracerType )
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{
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case TRACER_TYPE_DEFAULT:
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flWhizDist = 96;
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// fall through !
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default:
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{
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Ray_t bullet, listener;
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bullet.Init( start, end );
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Vector vecLower = vecListenOrigin;
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vecLower.z -= LISTENER_HEIGHT;
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listener.Init( vecListenOrigin, vecLower );
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float s, t;
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IntersectRayWithRay( bullet, listener, s, t );
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t = clamp( t, 0.f, 1.f );
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vecListenOrigin.z -= t * LISTENER_HEIGHT;
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}
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break;
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}
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static float flNextWhizTime = 0;
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// Is it time yet?
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float dt = flNextWhizTime - gpGlobals->curtime;
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if ( dt > 0 )
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return;
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// Did the thing pass close enough to our head?
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float vDist = CalcDistanceSqrToLineSegment( vecListenOrigin, start, end );
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if ( vDist >= (flWhizDist * flWhizDist) )
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return;
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CSoundParameters params;
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if( C_BaseEntity::GetParametersForSound( pszSoundName, params, NULL ) )
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{
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// Get shot direction
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Vector shotDir;
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VectorSubtract( end, start, shotDir );
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VectorNormalize( shotDir );
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CLocalPlayerFilter filter;
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enginesound->EmitSound( filter, SOUND_FROM_WORLD, CHAN_STATIC, params.soundname,
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params.volume, SNDLVL_TO_ATTN(params.soundlevel), 0, params.pitch, 0, &start, &shotDir, NULL);
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}
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// Don't play another bullet whiz for this client until this time has run out
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flNextWhizTime = gpGlobals->curtime + 0.1f;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void FX_BrightTracer( Vector& start, Vector& end )
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{
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//Don't make small tracers
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float dist;
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Vector dir;
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int velocity = 5000;
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VectorSubtract( end, start, dir );
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dist = VectorNormalize( dir );
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// Don't make short tracers.
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float length = random->RandomFloat( 64.0f, 128.0f );
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float life = ( dist + length ) / velocity; //NOTENOTE: We want the tail to finish its run as well
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//Add it
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FX_AddDiscreetLine( start, dir, velocity, length, dist, random->RandomFloat( 1, 3 ), life, "effects/spark" );
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FX_TFTracerSound( start, end, TRACER_TYPE_DEFAULT );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Bright Tracer for Machine Guns
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//-----------------------------------------------------------------------------
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void BrightTracerCallback( const CEffectData &data )
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{
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FX_BrightTracer( (Vector&)data.m_vStart, (Vector&)data.m_vOrigin );
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}
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DECLARE_CLIENT_EFFECT( "BrightTracer", BrightTracerCallback );
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