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275 lines
7.5 KiB
275 lines
7.5 KiB
![]()
4 years ago
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Client's sheild entity
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//
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// $Workfile: $
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// $NoKeywords: $
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//=============================================================================//
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#include "cbase.h"
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#include "C_Shield.h"
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#include "tf_shieldshared.h"
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enum
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{
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NUM_SUBDIVISIONS = 21,
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};
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#define EMP_WAVE_AMPLITUDE 8.0f
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//-----------------------------------------------------------------------------
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// Mobile version of the shield
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//-----------------------------------------------------------------------------
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class C_ShieldMobile;
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class C_ShieldMobileActiveVertList : public IActiveVertList
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{
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public:
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void Init( C_ShieldMobile *pShield, unsigned char *pVertList );
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// IActiveVertList overrides.
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public:
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virtual int GetActiveVertState( int iVert );
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virtual void SetActiveVertState( int iVert, int bOn );
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private:
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C_ShieldMobile *m_pShield;
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unsigned char *m_pVertsActive;
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};
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class C_ShieldMobile : public C_Shield
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{
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DECLARE_CLASS( C_ShieldMobile, C_Shield );
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public:
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DECLARE_CLIENTCLASS();
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C_ShieldMobile();
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~C_ShieldMobile();
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void OnDataChanged( DataUpdateType_t updateType );
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virtual void GetBounds( Vector& mins, Vector& maxs );
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virtual void AddEntity( );
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// Return true if the panel is active
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virtual bool IsPanelActive( int x, int y );
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// Gets at the control point data; who knows how it was made?
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virtual void GetShieldData( Vector const** ppVerts, float* pOpacity, float* pBlend );
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virtual const Vector& GetPoint( int x, int y ) { return m_ShieldEffect.GetPoint( x, y ); }
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virtual void SetThetaPhi( float flTheta, float flPhi ) { m_ShieldEffect.SetThetaPhi(flTheta,flPhi); }
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public:
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// networked data
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unsigned char m_pVertsActive[SHIELD_VERTEX_BYTES];
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unsigned char m_ShieldState;
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private:
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C_ShieldMobile( const C_ShieldMobile& );
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// Is a particular panel an edge?
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bool IsVertexValid( float s, float t ) const;
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void PreRender( );
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private:
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CShieldEffect m_ShieldEffect;
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C_ShieldMobileActiveVertList m_VertList;
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float m_flTheta;
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float m_flPhi;
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};
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//-----------------------------------------------------------------------------
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// C_ShieldMobileActiveVertList functions
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//-----------------------------------------------------------------------------
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void C_ShieldMobileActiveVertList::Init( C_ShieldMobile *pShield, unsigned char *pVertList )
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{
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m_pShield = pShield;
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m_pVertsActive = pVertList;
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}
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int C_ShieldMobileActiveVertList::GetActiveVertState( int iVert )
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{
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return m_pVertsActive[iVert>>3] & (1 << (iVert & 7));
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}
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void C_ShieldMobileActiveVertList::SetActiveVertState( int iVert, int bOn )
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{
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if ( bOn )
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m_pVertsActive[iVert>>3] |= (1 << (iVert & 7));
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else
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m_pVertsActive[iVert>>3] &= ~(1 << (iVert & 7));
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}
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//-----------------------------------------------------------------------------
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// Data table
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//-----------------------------------------------------------------------------
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IMPLEMENT_CLIENTCLASS_DT(C_ShieldMobile, DT_Shield_Mobile, CShieldMobile)
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RecvPropInt( RECVINFO(m_ShieldState) ),
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RecvPropArray(
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RecvPropInt( RECVINFO(m_pVertsActive[0])),
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m_pVertsActive
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),
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RecvPropFloat( RECVINFO(m_flTheta) ),
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RecvPropFloat( RECVINFO(m_flPhi) ),
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END_RECV_TABLE()
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//-----------------------------------------------------------------------------
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// Various raycasting routines
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//-----------------------------------------------------------------------------
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void ShieldTraceLine(const Vector &vecStart, const Vector &vecEnd,
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unsigned int mask, int collisionGroup, trace_t *ptr)
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{
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UTIL_TraceLine(vecStart, vecEnd, mask, NULL, collisionGroup, ptr );
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}
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void ShieldTraceHull(const Vector &vecStart, const Vector &vecEnd,
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const Vector &hullMin, const Vector &hullMax,
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unsigned int mask, int collisionGroup, trace_t *ptr)
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{
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CTraceFilterWorldOnly traceFilter;
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enginetrace->TraceHull( vecStart, vecEnd, hullMin, hullMax, mask, &traceFilter, ptr );
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}
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//-----------------------------------------------------------------------------
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// Constructor, destructor
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//-----------------------------------------------------------------------------
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C_ShieldMobile::C_ShieldMobile() : m_ShieldEffect(ShieldTraceLine, ShieldTraceHull)
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{
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m_VertList.Init( this, m_pVertsActive );
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m_ShieldEffect.SetActiveVertexList( &m_VertList );
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m_ShieldEffect.Spawn(vec3_origin, vec3_angle);
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InitShield( SHIELD_NUM_HORIZONTAL_POINTS, SHIELD_NUM_VERTICAL_POINTS, NUM_SUBDIVISIONS );
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}
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C_ShieldMobile::~C_ShieldMobile()
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{
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}
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//-----------------------------------------------------------------------------
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// Get this after the data changes
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//-----------------------------------------------------------------------------
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void C_ShieldMobile::OnDataChanged( DataUpdateType_t updateType )
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{
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BaseClass::OnDataChanged( updateType );
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m_ShieldEffect.SetCurrentPosition( GetAbsOrigin() );
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m_ShieldEffect.SetCurrentAngles( GetAbsAngles() );
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m_ShieldEffect.SetThetaPhi( m_flTheta, m_flPhi );
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// No need to simulate, just compute active panels from network data
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m_ShieldEffect.ComputeControlPoints();
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m_ShieldEffect.ComputePanelActivity();
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}
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//-----------------------------------------------------------------------------
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// A little pre-render processing
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//-----------------------------------------------------------------------------
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void C_ShieldMobile::PreRender( )
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{
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if (m_ShieldState & SHIELD_MOBILE_EMP)
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{
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// Decay fade if we've been EMPed or if we're inactive
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if (m_FadeValue > 0.0f)
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{
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m_FadeValue -= gpGlobals->frametime / SHIELD_EMP_FADE_TIME;
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if (m_FadeValue < 0.0f)
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{
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m_FadeValue = 0.0f;
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// Reset the shield to un-wobbled state
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m_ShieldEffect.ComputeControlPoints();
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}
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else
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{
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Vector dir;
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AngleVectors( m_ShieldEffect.GetCurrentAngles(), & dir );
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// Futz with the control points if we've been EMPed
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for (int i = 0; i < SHIELD_NUM_CONTROL_POINTS; ++i)
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{
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// Get the direction for the point
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float factor = -EMP_WAVE_AMPLITUDE * sin( i * M_PI * 0.5f + gpGlobals->curtime * M_PI / SHIELD_EMP_WOBBLE_TIME );
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m_ShieldEffect.GetPoint(i) += dir * factor;
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}
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}
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}
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}
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else
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{
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// Fade back in, no longer EMPed
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if (m_FadeValue < 1.0f)
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{
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m_FadeValue += gpGlobals->frametime / SHIELD_EMP_FADE_TIME;
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if (m_FadeValue >= 1.0f)
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{
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m_FadeValue = 1.0f;
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}
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}
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}
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}
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void C_ShieldMobile::AddEntity( )
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{
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BaseClass::AddEntity( );
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PreRender();
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}
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//-----------------------------------------------------------------------------
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// Bounds computation
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//-----------------------------------------------------------------------------
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void C_ShieldMobile::GetBounds( Vector& mins, Vector& maxs )
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{
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m_ShieldEffect.ComputeBounds( mins, maxs );
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}
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//-----------------------------------------------------------------------------
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// Return true if the panel is active
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//-----------------------------------------------------------------------------
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bool C_ShieldMobile::IsPanelActive( int x, int y )
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{
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return m_ShieldEffect.IsPanelActive(x, y);
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}
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//-----------------------------------------------------------------------------
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// Gets at the control point data; who knows how it was made?
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//-----------------------------------------------------------------------------
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void C_ShieldMobile::GetShieldData( Vector const** ppVerts, float* pOpacity, float* pBlend )
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{
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for ( int i = 0; i < SHIELD_NUM_CONTROL_POINTS; ++i )
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{
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ppVerts[i] = &m_ShieldEffect.GetControlPoint(i);
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if ( m_pVertsActive[i >> 3] & (1 << (i & 0x7)) )
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{
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pOpacity[i] = m_ShieldEffect.ComputeOpacity( *ppVerts[i], GetAbsOrigin() );
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pBlend[i] = 1.0f;
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}
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else
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{
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pOpacity[i] = 192.0f;
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pBlend[i] = 0.0f;
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}
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}
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}
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