From 39ed87570bdb2f86969d4be821c94b722dc71179 Mon Sep 17 00:00:00 2001
From: Joe Ludwig <joe@valvesoftware.com>
Date: Wed, 26 Jun 2013 15:22:04 -0700
Subject: First version of the SOurce SDK 2013

---
 mp/src/game/client/fx_quad.cpp | 170 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 170 insertions(+)
 create mode 100644 mp/src/game/client/fx_quad.cpp

(limited to 'mp/src/game/client/fx_quad.cpp')

diff --git a/mp/src/game/client/fx_quad.cpp b/mp/src/game/client/fx_quad.cpp
new file mode 100644
index 00000000..982cae7c
--- /dev/null
+++ b/mp/src/game/client/fx_quad.cpp
@@ -0,0 +1,170 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "view.h"
+#include "materialsystem/imesh.h"
+#include "fx_quad.h"
+#include "tier0/vprof.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+CFXQuad::CFXQuad( const FXQuadData_t &data )
+
+: CClientSideEffect( "Quad" )
+{
+	m_FXData = data;
+}
+
+CFXQuad::~CFXQuad( void )
+{
+	Destroy();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : frametime - 
+//-----------------------------------------------------------------------------
+void CFXQuad::Draw( double frametime )
+{
+	VPROF_BUDGET( "FX_Quad::Draw", VPROF_BUDGETGROUP_PARTICLE_RENDERING );
+
+	// Update the effect
+	Update( frametime );
+
+	float	scaleTimePerc, alphaTimePerc;
+
+	//Determine the scale
+	if ( m_FXData.m_uiFlags & FXQUAD_BIAS_SCALE )
+	{
+		scaleTimePerc = Bias( ( m_FXData.m_flLifeTime / m_FXData.m_flDieTime ), m_FXData.m_flScaleBias );
+	}
+	else
+	{
+		scaleTimePerc = ( m_FXData.m_flLifeTime / m_FXData.m_flDieTime );
+	}
+
+	float scale = m_FXData.m_flStartScale + ( ( m_FXData.m_flEndScale - m_FXData.m_flStartScale ) * scaleTimePerc );
+
+	//Determine the alpha
+	if ( m_FXData.m_uiFlags & FXQUAD_BIAS_ALPHA )
+	{
+		alphaTimePerc = Bias( ( m_FXData.m_flLifeTime / m_FXData.m_flDieTime ), m_FXData.m_flAlphaBias );
+	}
+	else
+	{
+		alphaTimePerc = ( m_FXData.m_flLifeTime / m_FXData.m_flDieTime );
+	}
+
+	float alpha = m_FXData.m_flStartAlpha + ( ( m_FXData.m_flEndAlpha - m_FXData.m_flStartAlpha ) * alphaTimePerc );
+	alpha = clamp( alpha, 0.0f, 1.0f );
+	
+	CMatRenderContextPtr pRenderContext( materials );
+
+	//Bind the material
+	IMesh* pMesh = pRenderContext->GetDynamicMesh( true, NULL, NULL, m_FXData.m_pMaterial );
+	CMeshBuilder meshBuilder;
+
+	meshBuilder.Begin( pMesh, MATERIAL_QUADS, 1 );
+
+	//Update our roll
+	m_FXData.m_flYaw = anglemod( m_FXData.m_flYaw + ( m_FXData.m_flDeltaYaw * frametime ) );
+
+	Vector	pos;
+	Vector	vRight, vUp;
+
+	float color[4];
+
+	color[0] = m_FXData.m_Color[0];
+	color[1] = m_FXData.m_Color[1];
+	color[2] = m_FXData.m_Color[2];
+
+	if ( m_FXData.m_uiFlags & FXQUAD_COLOR_FADE )
+	{
+		color[0] *= alpha;
+		color[1] *= alpha;
+		color[2] *= alpha;
+	}
+
+	color[3] = alpha;
+
+	VectorVectors( m_FXData.m_vecNormal, vRight, vUp );
+
+	Vector	rRight, rUp;
+
+	rRight	= ( vRight * cos( DEG2RAD( m_FXData.m_flYaw ) ) ) - ( vUp * sin( DEG2RAD( m_FXData.m_flYaw ) ) );
+	rUp		= ( vRight * cos( DEG2RAD( m_FXData.m_flYaw+90.0f ) ) ) - ( vUp * sin( DEG2RAD( m_FXData.m_flYaw+90.0f ) ) );
+
+	vRight	= rRight * ( scale * 0.5f );
+	vUp		= rUp * ( scale * 0.5f );
+
+	pos = m_FXData.m_vecOrigin + vRight - vUp;
+
+	meshBuilder.Position3fv( pos.Base() );
+	meshBuilder.Normal3fv( m_FXData.m_vecNormal.Base() );
+	meshBuilder.TexCoord2f( 0, 1.0f, 1.0f );
+	meshBuilder.Color4fv( color );
+	meshBuilder.AdvanceVertex();
+
+	pos = m_FXData.m_vecOrigin - vRight - vUp;
+
+	meshBuilder.Position3fv( pos.Base() );
+	meshBuilder.Normal3fv( m_FXData.m_vecNormal.Base() );
+	meshBuilder.TexCoord2f( 0, 0.0f, 1.0f );
+	meshBuilder.Color4fv( color );
+	meshBuilder.AdvanceVertex();
+
+	pos = m_FXData.m_vecOrigin - vRight + vUp;
+
+	meshBuilder.Position3fv( pos.Base() );
+	meshBuilder.Normal3fv( m_FXData.m_vecNormal.Base() );
+	meshBuilder.TexCoord2f( 0, 0.0f, 0.0f );
+	meshBuilder.Color4fv( color );
+	meshBuilder.AdvanceVertex();
+
+	pos = m_FXData.m_vecOrigin + vRight + vUp;
+
+	meshBuilder.Position3fv( pos.Base() );
+	meshBuilder.Normal3fv( m_FXData.m_vecNormal.Base() );
+	meshBuilder.TexCoord2f( 0, 1.0f, 0.0f );
+	meshBuilder.Color4fv( color );
+	meshBuilder.AdvanceVertex();
+
+	meshBuilder.End();
+	pMesh->Draw();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Output : Returns true on success, false on failure.
+//-----------------------------------------------------------------------------
+bool CFXQuad::IsActive( void )
+{
+	return ( m_FXData.m_flLifeTime < m_FXData.m_flDieTime ) ? true : false;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CFXQuad::Destroy( void )
+{
+	//Release the material
+	if ( m_FXData.m_pMaterial != NULL )
+	{
+		m_FXData.m_pMaterial->DecrementReferenceCount();
+		m_FXData.m_pMaterial = NULL;
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : frametime - 
+//-----------------------------------------------------------------------------
+void CFXQuad::Update( double frametime )
+{
+	m_FXData.m_flLifeTime += frametime;
+}
-- 
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