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game/client/hl2/c_vehicle_cannon.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "cbase.h"
+#include "hud.h"		
+#include <vgui_controls/Controls.h>
+#include <Color.h>
+#include "c_vehicle_crane.h"
+#include "view.h"
+#include "vehicle_viewblend_shared.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+int ScreenTransform( const Vector& point, Vector& screen );
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+class C_PropCannon : public C_BaseAnimating, public IClientVehicle
+{
+
+	DECLARE_CLASS( C_PropCannon, C_BaseAnimating );
+
+public:
+
+	DECLARE_CLIENTCLASS();
+	DECLARE_DATADESC();
+
+	C_PropCannon();
+	
+	void PreDataUpdate( DataUpdateType_t updateType );
+
+public:
+
+	// IClientVehicle overrides.
+	virtual void GetVehicleViewPosition( int nRole, Vector *pOrigin, QAngle *pAngles, float *pFOV = NULL );
+	virtual void GetVehicleFOV( float &flFOV ) { flFOV = 0.0f; }
+	virtual void DrawHudElements();
+	virtual bool IsPassengerUsingStandardWeapons( int nRole = VEHICLE_ROLE_DRIVER ) { return false; }
+	virtual void UpdateViewAngles( C_BasePlayer *pLocalPlayer, CUserCmd *pCmd ) {}
+	virtual C_BaseCombatCharacter *GetPassenger( int nRole );
+	virtual int	GetPassengerRole( C_BaseCombatCharacter *pPassenger );
+	virtual void GetVehicleClipPlanes( float &flZNear, float &flZFar ) const;
+	virtual int GetPrimaryAmmoType() const { return -1; }
+	virtual int GetPrimaryAmmoCount() const { return -1; }
+	virtual int GetPrimaryAmmoClip() const  { return -1; }
+	virtual bool PrimaryAmmoUsesClips() const { return false; }
+	virtual int GetJoystickResponseCurve() const { return 0; }
+
+public:
+
+	// C_BaseEntity overrides.
+	virtual IClientVehicle*	GetClientVehicle() { return this; }
+	virtual C_BaseEntity	*GetVehicleEnt() { return this; }
+	virtual void SetupMove( C_BasePlayer *player, CUserCmd *ucmd, IMoveHelper *pHelper, CMoveData *move ) {}
+	virtual void ProcessMovement( C_BasePlayer *pPlayer, CMoveData *pMoveData ) {}
+	virtual void FinishMove( C_BasePlayer *player, CUserCmd *ucmd, CMoveData *move ) {}
+	virtual bool IsPredicted() const { return false; }
+	virtual void ItemPostFrame( C_BasePlayer *pPlayer ) {}
+	virtual bool IsSelfAnimating() { return false; };
+	virtual void GetRenderBounds( Vector& theMins, Vector& theMaxs );
+
+private:
+
+	CHandle<C_BasePlayer>	m_hPlayer;
+	CHandle<C_BasePlayer>	m_hPrevPlayer;
+
+	bool					m_bEnterAnimOn;
+	bool					m_bExitAnimOn;
+	Vector					m_vecEyeExitEndpoint;
+
+	Vector					m_vecOldShadowDir;
+
+	ViewSmoothingData_t			m_ViewSmoothingData;
+};
+
+
+IMPLEMENT_CLIENTCLASS_DT(C_PropCannon, DT_PropCannon, CPropCannon)
+	RecvPropEHandle( RECVINFO(m_hPlayer) ),
+	RecvPropBool( RECVINFO( m_bEnterAnimOn ) ),
+	RecvPropBool( RECVINFO( m_bExitAnimOn ) ),
+	RecvPropVector( RECVINFO( m_vecEyeExitEndpoint ) ),
+END_RECV_TABLE()
+
+
+BEGIN_DATADESC( C_PropCannon )
+	DEFINE_EMBEDDED( m_ViewSmoothingData ),
+END_DATADESC()
+
+
+#define ROLL_CURVE_ZERO		5		// roll less than this is clamped to zero
+#define ROLL_CURVE_LINEAR	45		// roll greater than this is copied out
+
+#define PITCH_CURVE_ZERO		10	// pitch less than this is clamped to zero
+#define PITCH_CURVE_LINEAR		45	// pitch greater than this is copied out
+									// spline in between
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+C_PropCannon::C_PropCannon( void )
+{
+	memset( &m_ViewSmoothingData, 0, sizeof( m_ViewSmoothingData ) );
+	m_ViewSmoothingData.pVehicle = this;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : updateType - 
+//-----------------------------------------------------------------------------
+void C_PropCannon::PreDataUpdate( DataUpdateType_t updateType )
+{
+	BaseClass::PreDataUpdate( updateType );
+
+	m_hPrevPlayer = m_hPlayer;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+C_BaseCombatCharacter *C_PropCannon::GetPassenger( int nRole )
+{
+	if ( nRole == VEHICLE_ROLE_DRIVER )
+		return m_hPlayer.Get();
+
+	return NULL;
+}
+
+//-----------------------------------------------------------------------------
+// Returns the role of the passenger
+//-----------------------------------------------------------------------------
+int	C_PropCannon::GetPassengerRole( C_BaseCombatCharacter *pPassenger )
+{
+	if ( m_hPlayer.Get() == pPassenger )
+		return VEHICLE_ROLE_DRIVER;
+
+	return VEHICLE_ROLE_NONE;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Modify the player view/camera while in a vehicle
+//-----------------------------------------------------------------------------
+void C_PropCannon::GetVehicleViewPosition( int nRole, Vector *pAbsOrigin, QAngle *pAbsAngles, float *pFOV /*=NULL*/ )
+{
+	SharedVehicleViewSmoothing( m_hPlayer, 
+								pAbsOrigin, pAbsAngles, 
+								m_bEnterAnimOn, m_bExitAnimOn, 
+								m_vecEyeExitEndpoint, 
+								&m_ViewSmoothingData, 
+								pFOV );
+}
+
+
+//-----------------------------------------------------------------------------
+// Futzes with the clip planes
+//-----------------------------------------------------------------------------
+void C_PropCannon::GetVehicleClipPlanes( float &flZNear, float &flZFar ) const
+{
+	// FIXME: Need something a better long-term, this fixes the buggy.
+	flZNear = 6;
+}
+
+	
+//-----------------------------------------------------------------------------
+// Renders hud elements
+//-----------------------------------------------------------------------------
+void C_PropCannon::DrawHudElements( )
+{
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : theMins - 
+//			theMaxs - 
+//-----------------------------------------------------------------------------
+void C_PropCannon::GetRenderBounds( Vector &theMins, Vector &theMaxs )
+{
+	// This is kind of hacky:( Add 660.0 to the y coordinate of the bounding box to
+	// allow for the full extension of the crane arm.
+	BaseClass::GetRenderBounds( theMins, theMaxs );
+	theMaxs.y += 660.0f;
+}
+