Miscellany

//========= Copyright © 1996-2005, Valve Corporation, All rights reserved. ============////// Purpose: //// $NoKeywords: $//=============================================================================//#include "cbase.h"#include "keydefs.h"#include "hud.h"#include "in_buttons.h"#include "beamdraw.h"#include "c_weapon__stubs.h"#include "ClientEffectPrecacheSystem.h"// memdbgon must be the last include file in a .cpp file!!!#include "tier0/memdbgon.h"CLIENTEFFECT_REGISTER_BEGIN( PrecacheEffectGravityGun )CLIENTEFFECT_MATERIAL( "sprites/physbeam" )CLIENTEFFECT_REGISTER_END()class C_BeamQuadratic : public CDefaultClientRenderable{public:	C_BeamQuadratic();	void			Update( C_BaseEntity *pOwner );	// IClientRenderable	virtual const Vector&			GetRenderOrigin( void ) { return m_worldPosition; }	virtual const QAngle&			GetRenderAngles( void ) { return vec3_angle; }	virtual bool					ShouldDraw( void ) { return true; }	virtual bool					IsTransparent( void ) { return true; }	virtual bool					ShouldReceiveProjectedTextures( int flags ) { return false; }	virtual int						DrawModel( int flags );	// Returns the bounds relative to the origin (render bounds)	virtual void	GetRenderBounds( Vector& mins, Vector& maxs )	{		// bogus.  But it should draw if you can see the end point		mins.Init(-32,-32,-32);		maxs.Init(32,32,32);	}	C_BaseEntity			*m_pOwner;	Vector					m_targetPosition;	Vector					m_worldPosition;	int						m_active;	int						m_glueTouching;	int						m_viewModelIndex;};class C_WeaponGravityGun : public C_BaseCombatWeapon{	DECLARE_CLASS( C_WeaponGravityGun, C_BaseCombatWeapon );public:	C_WeaponGravityGun() {}	DECLARE_CLIENTCLASS();	DECLARE_PREDICTABLE();	int KeyInput( int down, int keynum, const char *pszCurrentBinding )	{		if ( gHUD.m_iKeyBits & IN_ATTACK )		{			switch ( keynum )			{			case K_MWHEELUP:				gHUD.m_iKeyBits |= IN_WEAPON1;				return 0;			case K_MWHEELDOWN:				gHUD.m_iKeyBits |= IN_WEAPON2;				return 0;			}		}		// Allow engine to process		return BaseClass::KeyInput( down, keynum, pszCurrentBinding );	}	void OnDataChanged( DataUpdateType_t updateType )	{		BaseClass::OnDataChanged( updateType );		m_beam.Update( this );	}private:	C_WeaponGravityGun( const C_WeaponGravityGun & );	C_BeamQuadratic	m_beam;};STUB_WEAPON_CLASS_IMPLEMENT( weapon_physgun, C_WeaponGravityGun );IMPLEMENT_CLIENTCLASS_DT( C_WeaponGravityGun, DT_WeaponGravityGun, CWeaponGravityGun )	RecvPropVector( RECVINFO_NAME(m_beam.m_targetPosition,m_targetPosition) ),	RecvPropVector( RECVINFO_NAME(m_beam.m_worldPosition, m_worldPosition) ),	RecvPropInt( RECVINFO_NAME(m_beam.m_active, m_active) ),	RecvPropInt( RECVINFO_NAME(m_beam.m_glueTouching, m_glueTouching) ),	RecvPropInt( RECVINFO_NAME(m_beam.m_viewModelIndex, m_viewModelIndex) ),END_RECV_TABLE()C_BeamQuadratic::C_BeamQuadratic(){	m_pOwner = NULL;}void C_BeamQuadratic::Update( C_BaseEntity *pOwner ){	m_pOwner = pOwner;	if ( m_active )	{		if ( m_hRenderHandle == INVALID_CLIENT_RENDER_HANDLE )		{			ClientLeafSystem()->AddRenderable( this, RENDER_GROUP_TRANSLUCENT_ENTITY );		}		else		{			ClientLeafSystem()->RenderableChanged( m_hRenderHandle );		}	}	else if ( !m_active && m_hRenderHandle != INVALID_CLIENT_RENDER_HANDLE )	{		ClientLeafSystem()->RemoveRenderable( m_hRenderHandle );	}}int	C_BeamQuadratic::DrawModel( int ){	Vector points[3];	QAngle tmpAngle;	if ( !m_active )		return 0;	C_BaseEntity *pEnt = cl_entitylist->GetEnt( m_viewModelIndex );	if ( !pEnt )		return 0;	pEnt->GetAttachment( 1, points[0], tmpAngle );	points[1] = 0.5 * (m_targetPosition + points[0]);		// a little noise 11t & 13t should be somewhat non-periodic looking	//points[1].z += 4*sin( gpGlobals->curtime*11 ) + 5*cos( gpGlobals->curtime*13 );	points[2] = m_worldPosition;	IMaterial *pMat = materials->FindMaterial( "sprites/physbeam", TEXTURE_GROUP_CLIENT_EFFECTS );	Vector color;	if ( m_glueTouching )	{		color.Init(1,0,0);	}	else	{		color.Init(1,1,1);	}	float scrollOffset = gpGlobals->curtime - (int)gpGlobals->curtime;	materials->Bind( pMat );	DrawBeamQuadratic( points[0], points[1], points[2], 13, color, scrollOffset );	return 1;}