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cl_dll/beamdraw.cpp

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	pMesh->Draw();
}


//-----------------------------------------------------------------------------
// Compute vectors perpendicular to the beam
//-----------------------------------------------------------------------------
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	pMesh->Draw();
}

void DrawSpriteRotated( const Vector &vecOrigin, float flWidth, float flHeight, color32 color, float rotation )
{
	unsigned char pColor[4] = { color.r, color.g, color.b, color.a };

	// Generate half-widths
	flWidth *= 0.5f;
	flHeight *= 0.5f;

	float flSin = sin(rotation);
	float flCos = cos(rotation);

	// Compute direction vectors for the sprite
	Vector fwd, right( flCos, flSin, 0 ), up( flSin, flCos, 0 );
	VectorSubtract( CurrentViewOrigin(), vecOrigin, fwd );
	float flDist = VectorNormalize( fwd );
	if (flDist >= 1e-3)
	{
		// Rotate this around fwd so that we rotate onscreen :)
		//Vector P = CurrentViewUp();
		//Vector A = CurrentViewForward();
		//P = (P - (DotProduct(A, P) * A) * flCos) + (CrossProduct(P, A) * flSin) + (DotProduct(A, P) * A);

		QAngle angView = CurrentViewAngles() + QAngle(0.0f, 0.0f, anglemod(rotation));
		Vector vecUp;
		AngleVectors(angView, NULL, NULL, &vecUp);

		CrossProduct( vecUp, fwd, right );
		flDist = VectorNormalize( right );
		if (flDist >= 1e-3)
		{
			CrossProduct( fwd, right, up );
		}
		else
		{
			// In this case, fwd == g_vecVUp, it's right above or 
			// below us in screen space
			CrossProduct( fwd, CurrentViewRight(), up );
			VectorNormalize( up );
			CrossProduct( up, fwd, right );
		}
	}

	CMeshBuilder meshBuilder;
	Vector point;
	IMesh* pMesh = materials->GetDynamicMesh( );

	meshBuilder.Begin( pMesh, MATERIAL_QUADS, 1 );

	meshBuilder.Color4ubv (pColor);
	meshBuilder.TexCoord2f (0, 0, 1);
	VectorMA (vecOrigin, -flHeight, up, point);
	VectorMA (point, -flWidth, right, point);
	meshBuilder.Position3fv (point.Base());
	//meshBuilder.Position3f(vecOrigin.x + (-flCos + flSin) * flWidth, vecOrigin.y + (-flSin - flCos) * flWidth, vecOrigin.z);
	meshBuilder.AdvanceVertex();

	meshBuilder.Color4ubv (pColor);
	meshBuilder.TexCoord2f (0, 0, 0);
	VectorMA (vecOrigin, flHeight, up, point);
	VectorMA (point, -flWidth, right, point);
	meshBuilder.Position3fv (point.Base());
	//meshBuilder.Position3f(vecOrigin.x + (-flCos - flSin) * flWidth, vecOrigin.y + (-flSin + flCos) * flWidth, vecOrigin.z);
	meshBuilder.AdvanceVertex();

	meshBuilder.Color4ubv (pColor);
	meshBuilder.TexCoord2f (0, 1, 0);
	VectorMA (vecOrigin, flHeight, up, point);
	VectorMA (point, flWidth, right, point);
	meshBuilder.Position3fv (point.Base());
	//meshBuilder.Position3f(vecOrigin.x + (flCos - flSin) * flWidth, vecOrigin.y + (flSin + flCos) * flWidth, vecOrigin.z);
	meshBuilder.AdvanceVertex();

	meshBuilder.Color4ubv (pColor);
	meshBuilder.TexCoord2f (0, 1, 1);
	VectorMA (vecOrigin, -flHeight, up, point);
	VectorMA (point, flWidth, right, point);
	meshBuilder.Position3fv (point.Base());
	//meshBuilder.Position3f(vecOrigin.x + (flCos + flSin) * flWidth, vecOrigin.y + (flSin - flCos) * flWidth, vecOrigin.z);
	meshBuilder.AdvanceVertex();
	
	meshBuilder.End();
	pMesh->Draw();
}


//-----------------------------------------------------------------------------
// Compute vectors perpendicular to the beam
//-----------------------------------------------------------------------------

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	beamDraw.End();
}
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	beamDraw.End();
}

void BeamDraw(IMaterial *pMaterial, const Vector &vecstart, const Vector &vecend, float widthstart, float widthend, float alphastart, float alphaend, const Vector &colorstart, const Vector &colorend)
{
	CBeamSegDraw beamDraw;
	beamDraw.Start(2, pMaterial);

	CBeamSeg seg;
	seg.m_flAlpha = alphastart;
	seg.m_flWidth = widthstart;
	seg.m_vPos = vecstart;
	seg.m_vColor = colorstart;
	beamDraw.NextSeg(&seg);

	seg.m_flAlpha = alphaend;
	seg.m_flWidth = widthend;
	seg.m_vPos = vecend;
	seg.m_vColor = colorend;
	beamDraw.NextSeg(&seg);

	beamDraw.End();
}