Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//
//=============================================================================//
// fish.h
// Simple fish behavior
// Author: Michael S. Booth, April 2005
#ifndef _FISH_H_
#define _FISH_H_
#include "baseanimating.h"
#include "GameEventListener.h"
class CFishPool;
//----------------------------------------------------------------------------------------------
/**
* Simple ambient fish
*/
class CFish : public CBaseAnimating
{
public:
DECLARE_CLASS( CFish, CBaseAnimating );
DECLARE_SERVERCLASS();
DECLARE_DATADESC();
CFish( void );
virtual ~CFish();
void Initialize( CFishPool *pool, unsigned int id );
virtual void Spawn( void );
virtual void Event_Killed( const CTakeDamageInfo &info );
virtual void Touch( CBaseEntity *other ); ///< in contact with "other"
void Update( float deltaT ); ///< invoked each server tick
void FlockTo( CFish *other, float amount ); ///< influence my motion to flock with other nearby fish
float Avoid( void );
void Panic( void ); ///< panic for awhile
void ResetVisible( void ); ///< zero the visible vector
void AddVisible( CFish *fish ); ///< add this fish to our visible vector
private:
friend void SendProxy_FishOriginX( const SendProp *pProp, const void *pStruct, const void *pData, DVariant *pOut, int iElement, int objectID );
friend void SendProxy_FishOriginY( const SendProp *pProp, const void *pStruct, const void *pData, DVariant *pOut, int iElement, int objectID );
CHandle<CFishPool> m_pool; ///< the pool we are in
unsigned int m_id; ///< our unique ID
CNetworkVar( float, m_x ); ///< have to send position coordinates separately since Z is unused
CNetworkVar( float, m_y ); ///< have to send position coordinates separately since Z is unused
CNetworkVar( float, m_z ); ///< only sent once since fish always swim at the same depth
CNetworkVar( float, m_angle ); ///< only yaw changes
float m_angleChange;
Vector m_forward;
Vector m_perp;
CNetworkVar( Vector, m_poolOrigin ); ///< used to efficiently network our relative position
CNetworkVar( float, m_waterLevel );
float m_speed;
float m_desiredSpeed;
float m_calmSpeed; ///< speed the fish moves when calm
float m_panicSpeed; ///< speed the fish moves when panicked
float m_avoidRange; ///< range to avoid obstacles
CountdownTimer m_turnTimer; ///< every so often our turn preference changes
bool m_turnClockwise; ///< if true this fish prefers to turn clockwise, else CCW
CountdownTimer m_goTimer; ///< start the fish moving when timer elapses
CountdownTimer m_moveTimer; ///< dont decay speed while we are moving
CountdownTimer m_panicTimer; ///< if active, fish is panicked
CountdownTimer m_disperseTimer; ///< initial non-flocking time
CUtlVector< CFish * > m_visible; ///< vector of fish that we can see
};
//----------------------------------------------------------------------------------------------
/**
* This class defines a volume of water where a number of CFish swim
*/
class CFishPool : public CBaseEntity, public CGameEventListener
{
public:
DECLARE_CLASS( CFishPool, CBaseEntity );
DECLARE_DATADESC();
CFishPool( void );
virtual void Spawn();
virtual bool KeyValue( const char *szKeyName, const char *szValue );
virtual void FireGameEvent( IGameEvent *event );
void Update( void ); ///< invoked each server tick
float GetWaterLevel( void ) const; ///< return Z coordinate of water in world coords
float GetMaxRange( void ) const; ///< return how far a fish is allowed to wander
private:
int m_fishCount; ///< number of fish in the pool
float m_maxRange; ///< how far a fish is allowed to wander
float m_swimDepth; ///< the depth the fish swim below the water surface
float m_waterLevel; ///< Z of water surface
bool m_isDormant;
CUtlVector< CHandle<CFish> > m_fishes; ///< vector of all fish in this pool
CountdownTimer m_visTimer; ///< for throttling line of sight checks between all fish
};
inline float CFishPool::GetMaxRange( void ) const
{
return m_maxRange;
}
inline float CFishPool::GetWaterLevel( void ) const
{
return m_waterLevel;
}
#endif // _FISH_H_