First version of the SOurce SDK 2013

1 files changed, 310 insertions, 0 deletions

diff --git a/mp/src/game/client/fx_line.cpp b/mp/src/game/client/fx_line.cpp
new file mode 100644
index 00000000..c4a26d54
--- /dev/null
+++ b/mp/src/game/client/fx_line.cpp
@@ -0,0 +1,310 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//

+//

+// Purpose: 

+//

+// $Workfile:     $

+// $Date:         $

+// $NoKeywords: $

+//=============================================================================//

+#include "cbase.h"

+#include "materialsystem/imaterial.h"

+#include "clientsideeffects.h"

+#include "fx_line.h"

+#include "materialsystem/imesh.h"

+#include "view.h"

+

+// memdbgon must be the last include file in a .cpp file!!!

+#include "tier0/memdbgon.h"

+

+/*

+==================================================

+CFXLine

+==================================================

+*/

+

+CFXLine::CFXLine( const char *name, const FXLineData_t &data )

+: CClientSideEffect( name )

+{

+	m_FXData = data;

+	

+	m_FXData.m_flLifeTime = 0.0f;

+	

+	if ( m_FXData.m_pMaterial != NULL )

+	{

+		m_FXData.m_pMaterial->IncrementReferenceCount();

+	}

+}

+

+CFXLine::~CFXLine( void )

+{

+	Destroy();

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: 

+// Input  : frametime - 

+//-----------------------------------------------------------------------------

+void CFXLine::Draw( double frametime )

+{

+	// Update the effect

+	Update( frametime );

+

+	Vector lineDir, viewDir;

+	

+	//Get the proper orientation for the line

+	VectorSubtract( m_FXData.m_vecStart, m_FXData.m_vecEnd, lineDir );

+	VectorSubtract( m_FXData.m_vecEnd, CurrentViewOrigin(), viewDir );

+	

+	Vector cross = lineDir.Cross( viewDir );

+

+	VectorNormalize( cross );

+

+	CMatRenderContextPtr pRenderContext( materials );

+	

+	//Bind the material

+	IMesh* pMesh = pRenderContext->GetDynamicMesh( true, NULL, NULL, m_FXData.m_pMaterial );

+	

+	CMeshBuilder meshBuilder;

+

+	Vector tmp;

+	meshBuilder.Begin( pMesh, MATERIAL_QUADS, 1 );

+

+	float scaleTimePerc = ( m_FXData.m_flLifeTime / m_FXData.m_flDieTime );

+	float scale = m_FXData.m_flStartScale + ( ( m_FXData.m_flEndScale - m_FXData.m_flStartScale ) * scaleTimePerc );

+

+	color32 color = {255,255,255,255};

+

+	float alpha = m_FXData.m_flStartAlpha + ( ( m_FXData.m_flEndAlpha - m_FXData.m_flStartAlpha ) * scaleTimePerc );

+	alpha = clamp( alpha, 0.0f, 1.0f );

+

+	color.a *= alpha;

+

+	// Start

+	VectorMA( m_FXData.m_vecStart, -scale, cross, tmp );

+	meshBuilder.Position3fv( tmp.Base() );

+	meshBuilder.TexCoord2f( 0, 1.0f, 1.0f );

+	meshBuilder.Color4ub( color.r, color.g, color.b, color.a );

+	meshBuilder.Normal3fv( cross.Base() );

+	meshBuilder.AdvanceVertex();

+

+	VectorMA( m_FXData.m_vecStart, scale, cross, tmp );

+	meshBuilder.Position3fv( tmp.Base() );

+	meshBuilder.TexCoord2f( 0, 0.0f, 1.0f );

+	meshBuilder.Color4ub( color.r, color.g, color.b, color.a );

+	meshBuilder.Normal3fv( cross.Base() );

+	meshBuilder.AdvanceVertex();

+

+	// End

+	VectorMA( m_FXData.m_vecEnd, scale, cross, tmp );

+	meshBuilder.Position3fv( tmp.Base() );

+	meshBuilder.TexCoord2f( 0, 0.0f, 0.0f );

+	meshBuilder.Color4ub( color.r, color.g, color.b, color.a );

+	meshBuilder.Normal3fv( cross.Base() );

+	meshBuilder.AdvanceVertex();

+

+	VectorMA( m_FXData.m_vecEnd, -scale, cross, tmp );

+	meshBuilder.Position3fv( tmp.Base() );

+	meshBuilder.TexCoord2f( 0, 1.0f, 0.0f );

+	meshBuilder.Color4ub( color.r, color.g, color.b, color.a );

+	meshBuilder.Normal3fv( cross.Base() );

+	meshBuilder.AdvanceVertex();

+

+	meshBuilder.End();

+	pMesh->Draw();

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: 

+// Output : Returns true on success, false on failure.

+//-----------------------------------------------------------------------------

+bool CFXLine::IsActive( void )

+{

+	return ( m_FXData.m_flLifeTime < m_FXData.m_flDieTime ) ? true : false;

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: 

+//-----------------------------------------------------------------------------

+void CFXLine::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 CFXLine::Update( double frametime )

+{

+	m_FXData.m_flLifeTime += frametime;

+

+	//Move our end points

+	VectorMA( m_FXData.m_vecStart, frametime, m_FXData.m_vecStartVelocity, m_FXData.m_vecStart );

+	VectorMA( m_FXData.m_vecEnd, frametime, m_FXData.m_vecEndVelocity, m_FXData.m_vecEnd );

+}

+

+void FX_DrawLine( const Vector &start, const Vector &end, float scale, IMaterial *pMaterial, const color32 &color )

+{

+	Vector			lineDir, viewDir;

+	//Get the proper orientation for the line

+	VectorSubtract( end, start, lineDir );

+	VectorSubtract( end, CurrentViewOrigin(), viewDir );

+	

+	Vector cross = lineDir.Cross( viewDir );

+

+	VectorNormalize( cross );

+

+	CMatRenderContextPtr pRenderContext( materials );

+	

+	//Bind the material

+	IMesh* pMesh = pRenderContext->GetDynamicMesh( true, NULL, NULL, pMaterial );

+	CMeshBuilder meshBuilder;

+

+	Vector			tmp;

+	meshBuilder.Begin( pMesh, MATERIAL_QUADS, 1 );

+

+	VectorMA( start, -scale, cross, tmp );

+	meshBuilder.Position3fv( tmp.Base() );

+	meshBuilder.TexCoord2f( 0, 1.0f, 1.0f );

+	meshBuilder.Color4ub( color.r, color.g, color.b, color.a );

+	meshBuilder.Normal3fv( cross.Base() );

+	meshBuilder.AdvanceVertex();

+

+	VectorMA( start, scale, cross, tmp );

+	meshBuilder.Position3fv( tmp.Base() );

+	meshBuilder.TexCoord2f( 0, 0.0f, 1.0f );

+	meshBuilder.Color4ub( color.r, color.g, color.b, color.a );

+	meshBuilder.Normal3fv( cross.Base() );

+	meshBuilder.AdvanceVertex();

+

+	VectorMA( end, scale, cross, tmp );

+	meshBuilder.Position3fv( tmp.Base() );

+	meshBuilder.TexCoord2f( 0, 0.0f, 0.0f );

+	meshBuilder.Color4ub( color.r, color.g, color.b, color.a );

+	meshBuilder.Normal3fv( cross.Base() );

+	meshBuilder.AdvanceVertex();

+

+	VectorMA( end, -scale, cross, tmp );

+	meshBuilder.Position3fv( tmp.Base() );

+	meshBuilder.TexCoord2f( 0, 1.0f, 0.0f );

+	meshBuilder.Color4ub( color.r, color.g, color.b, color.a );

+	meshBuilder.Normal3fv( cross.Base() );

+	meshBuilder.AdvanceVertex();

+

+	meshBuilder.End();

+	pMesh->Draw();

+}

+

+

+void FX_DrawLineFade( const Vector &start, const Vector &end, float scale, IMaterial *pMaterial, const color32 &color, float fadeDist )

+{

+	Vector			lineDir, viewDir;

+	//Get the proper orientation for the line

+	VectorSubtract( end, start, lineDir );

+	VectorSubtract( end, CurrentViewOrigin(), viewDir );

+	

+	float lineLength = lineDir.Length();

+	float t0 = 0.25f;

+	float t1 = 0.75f;

+	if ( lineLength > 0 )

+	{

+		t0 = fadeDist / lineLength;

+		t0 = clamp( t0, 0.0f, 0.25f );

+		t1 = 1.0f - t0;

+	}

+

+	Vector cross = lineDir.Cross( viewDir );

+

+	VectorNormalize( cross );

+

+	CMatRenderContextPtr pRenderContext( materials );

+

+	//Bind the material

+	IMesh* pMesh = pRenderContext->GetDynamicMesh( true, NULL, NULL, pMaterial );

+	CMeshBuilder meshBuilder;

+

+	Vector			tmp;

+	meshBuilder.Begin( pMesh, MATERIAL_TRIANGLES, 8, 24 );

+

+	//		2			5

+	// 0	1			4	 7

+	//		3			6

+

+	// 0,2,1 - 0,1,3 - 7,4,5 - 7,6,4 - 1,4,6, 1,6,3 - 1,5,4 - 1,2,5

+

+	// v0

+	meshBuilder.Position3fv( start.Base() );

+	meshBuilder.TexCoord2f( 0, 0.5f, 0.0f );

+	meshBuilder.Color4ub( 0, 0, 0, 0 );

+	meshBuilder.Normal3fv( cross.Base() );

+	meshBuilder.AdvanceVertex();

+	// v1

+	Vector v1 = start + t0 * lineDir;

+	meshBuilder.Position3fv( v1.Base() );

+	meshBuilder.TexCoord2f( 0, 0.5f, t0 );

+	meshBuilder.Color4ub( color.r, color.g, color.b, color.a );

+	meshBuilder.Normal3fv( cross.Base() );

+	meshBuilder.AdvanceVertex();

+	// v2

+	tmp = v1 - scale*cross;

+	meshBuilder.Position3fv( tmp.Base() );

+	meshBuilder.TexCoord2f( 0, 1.0f, t0 );

+	meshBuilder.Color4ub( color.r, color.g, color.b, color.a );

+	meshBuilder.Normal3fv( cross.Base() );

+	meshBuilder.AdvanceVertex();

+	// v3

+	tmp = v1 + scale*cross;

+	meshBuilder.Position3fv( tmp.Base() );

+	meshBuilder.TexCoord2f( 0, 0.0f, t0 );

+	meshBuilder.Color4ub( color.r, color.g, color.b, color.a );

+	meshBuilder.Normal3fv( cross.Base() );

+	meshBuilder.AdvanceVertex();

+	// v4

+	Vector v4 = start + t1 * lineDir;

+	meshBuilder.Position3fv( v4.Base() );

+	meshBuilder.TexCoord2f( 0, 0.5f, t1 );

+	meshBuilder.Color4ub( color.r, color.g, color.b, color.a );

+	meshBuilder.Normal3fv( cross.Base() );

+	meshBuilder.AdvanceVertex();

+	// v5

+	tmp = v4 - scale*cross;

+	meshBuilder.Position3fv( tmp.Base() );

+	meshBuilder.TexCoord2f( 0, 1.0f, t1 );

+	meshBuilder.Color4ub( color.r, color.g, color.b, color.a );

+	meshBuilder.Normal3fv( cross.Base() );

+	meshBuilder.AdvanceVertex();

+	// v6

+	tmp = v4 + scale*cross;

+	meshBuilder.Position3fv( tmp.Base() );

+	meshBuilder.TexCoord2f( 0, 0.0f, t1 );

+	meshBuilder.Color4ub( color.r, color.g, color.b, color.a );

+	meshBuilder.Normal3fv( cross.Base() );

+	meshBuilder.AdvanceVertex();

+	// v7

+	meshBuilder.Position3fv( end.Base() );

+	meshBuilder.TexCoord2f( 0, 0.5f, 1.0f );

+	meshBuilder.Color4ub( 0, 0, 0, 0 );

+	meshBuilder.Normal3fv( cross.Base() );

+	meshBuilder.AdvanceVertex();

+

+

+	// triangles - 0,2,1 - 0,1,3 - 7,4,5 - 7,6,4 - 1,4,6, 1,6,3 - 1,5,4 - 1,2,5

+	meshBuilder.FastIndex( 0 ); meshBuilder.FastIndex( 2 ); meshBuilder.FastIndex( 1 );

+	meshBuilder.FastIndex( 0 ); meshBuilder.FastIndex( 1 ); meshBuilder.FastIndex( 3 );

+

+	meshBuilder.FastIndex( 7 ); meshBuilder.FastIndex( 4 ); meshBuilder.FastIndex( 5 );

+	meshBuilder.FastIndex( 7 ); meshBuilder.FastIndex( 6 ); meshBuilder.FastIndex( 4 );

+

+	meshBuilder.FastIndex( 1 ); meshBuilder.FastIndex( 4 ); meshBuilder.FastIndex( 6 );

+	meshBuilder.FastIndex( 1 ); meshBuilder.FastIndex( 6 ); meshBuilder.FastIndex( 3 );

+	meshBuilder.FastIndex( 1 ); meshBuilder.FastIndex( 5 ); meshBuilder.FastIndex( 4 );

+	meshBuilder.FastIndex( 1 ); meshBuilder.FastIndex( 2 ); meshBuilder.FastIndex( 5 );

+

+	meshBuilder.End();

+	pMesh->Draw();

+}