104 lines
2.9 KiB
C++
104 lines
2.9 KiB
C++
//========= Copyright 1996-2005, Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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//=============================================================================//
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#ifndef FX_WATER_H
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#define FX_WATER_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "particles_simple.h"
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#include "fx.h"
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#include "tier0/memdbgon.h"
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class CSplashParticle : public CSimpleEmitter
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{
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public:
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CSplashParticle( const char *pDebugName ) : CSimpleEmitter( pDebugName ), m_bUseClipHeight( false ) {}
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// Create
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static CSplashParticle *Create( const char *pDebugName )
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{
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return new CSplashParticle( pDebugName );
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}
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// Roll
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virtual float UpdateRoll( SimpleParticle *pParticle, float timeDelta );
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// Velocity
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virtual void UpdateVelocity( SimpleParticle *pParticle, float timeDelta );
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// Alpha
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virtual float UpdateAlpha( const SimpleParticle *pParticle );
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void SetClipHeight( float flClipHeight );
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// Simulation
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void SimulateParticles( CParticleSimulateIterator *pIterator );
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private:
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CSplashParticle( const CSplashParticle & );
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float m_flClipHeight;
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bool m_bUseClipHeight;
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};
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class WaterDebrisEffect : public CSimpleEmitter
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{
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public:
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WaterDebrisEffect( const char *pDebugName ) : CSimpleEmitter( pDebugName ) {}
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static WaterDebrisEffect* Create( const char *pDebugName );
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virtual float UpdateAlpha( const SimpleParticle *pParticle );
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private:
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WaterDebrisEffect( const WaterDebrisEffect & );
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};
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extern void FX_WaterRipple( const Vector &origin, float scale, Vector *pColor, float flLifetime=1.5, float flAlpha=1 );
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extern void FX_GunshotSplash( const Vector &origin, const Vector &normal, float scale );
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extern void FX_GunshotSlimeSplash( const Vector &origin, const Vector &normal, float scale );
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//-----------------------------------------------------------------------------
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// Purpose: Retrieve and alter lighting for splashes
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// Input : position - point to check
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// *color - tint of the lighting at this point
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// *luminosity - adjusted luminosity at this point
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//-----------------------------------------------------------------------------
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inline void FX_GetSplashLighting( Vector position, Vector *color, float *luminosity )
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{
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// Compute our lighting at our position
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Vector totalColor = engine->GetLightForPoint( position, true );
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// Get our lighting information
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UTIL_GetNormalizedColorTintAndLuminosity( totalColor, color, luminosity );
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// Fake a specular highlight (too dim otherwise)
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if ( luminosity != NULL )
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{
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*luminosity = MIN( 1.0f, (*luminosity) * 4.0f );
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// Clamp so that we never go completely translucent
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if ( *luminosity < 0.25f )
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{
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*luminosity = 0.25f;
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}
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}
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// Only take a quarter of the tint, mostly we want to be white
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if ( color != NULL )
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{
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(*color) = ( (*color) * 0.25f ) + Vector( 0.75f, 0.75f, 0.75f );
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}
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}
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#include "tier0/memdbgoff.h"
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#endif // FX_WATER_H
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