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91 lines
2.3 KiB
91 lines
2.3 KiB
//========= Copyright 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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#include "cbase.h" |
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#include "c_basehelicopter.h" |
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#include "proxyentity.h" |
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#include "materialsystem/imaterial.h" |
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#include "materialsystem/imaterialvar.h" |
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#include "KeyValues.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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IMPLEMENT_CLIENTCLASS_DT( C_BaseHelicopter, DT_BaseHelicopter, CBaseHelicopter ) |
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RecvPropTime( RECVINFO( m_flStartupTime ) ), |
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END_RECV_TABLE() |
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C_BaseHelicopter::C_BaseHelicopter() |
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{ |
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} |
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//----------------------------------------------------------------------------- |
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// Chopper blade fade-in time |
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//----------------------------------------------------------------------------- |
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#define FADE_IN_TIME 2.0f |
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//----------------------------------------------------------------------------- |
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// Sets the fade of the blades when the chopper starts up |
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//----------------------------------------------------------------------------- |
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class CHeliBladeMaterialProxy : public CEntityMaterialProxy |
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{ |
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public: |
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CHeliBladeMaterialProxy() { m_AlphaVar = NULL; } |
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virtual ~CHeliBladeMaterialProxy() {} |
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virtual bool Init( IMaterial *pMaterial, KeyValues *pKeyValues ); |
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virtual void OnBind( C_BaseEntity *pEntity ); |
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virtual IMaterial *GetMaterial(); |
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private: |
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IMaterialVar *m_AlphaVar; |
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bool m_bFadeOut; |
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}; |
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bool CHeliBladeMaterialProxy::Init( IMaterial *pMaterial, KeyValues *pKeyValues ) |
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{ |
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bool foundVar; |
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m_AlphaVar = pMaterial->FindVar( "$alpha", &foundVar, false ); |
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m_bFadeOut = pKeyValues->GetInt( "$fadeout", 0 ) != 0; |
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return foundVar; |
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} |
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void CHeliBladeMaterialProxy::OnBind( C_BaseEntity *pEnt ) |
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{ |
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if (!m_AlphaVar) |
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return; |
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C_BaseHelicopter *pHeli = dynamic_cast<C_BaseHelicopter*>( pEnt ); |
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if ( pHeli ) |
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{ |
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float dt = gpGlobals->curtime - pHeli->StartupTime(); |
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dt /= FADE_IN_TIME; |
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dt = clamp( dt, 0.0f, 1.0f ); |
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if ( m_bFadeOut ) |
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{ |
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dt = 1.0f - dt; |
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} |
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m_AlphaVar->SetFloatValue( dt ); |
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} |
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else |
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{ |
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m_AlphaVar->SetFloatValue( 1.0f ); |
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} |
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} |
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IMaterial *CHeliBladeMaterialProxy::GetMaterial() |
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{ |
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if ( !m_AlphaVar ) |
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return NULL; |
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return m_AlphaVar->GetOwningMaterial(); |
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} |
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EXPOSE_INTERFACE( CHeliBladeMaterialProxy, IMaterialProxy, "HeliBlade" IMATERIAL_PROXY_INTERFACE_VERSION ); |
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