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hl2sdk/game/server/hl2/vehicle_jetski.cpp
2013-06-26 15:22:04 -07:00

552 lines
17 KiB
C++

//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================//
#include "cbase.h"
#include "vehicle_base.h"
#include "engine/IEngineSound.h"
#include "in_buttons.h"
#include "ammodef.h"
#include "IEffects.h"
#include "beam_shared.h"
#include "weapon_gauss.h"
#include "soundenvelope.h"
#include "decals.h"
#include "soundent.h"
#include "te_effect_dispatch.h"
#define VEHICLE_HITBOX_DRIVER 1
#define JETSKI_SHOCK_LENGTH_LONG2 0.35f //
#define JETSKI_SHOCK_LENGTH_LONG 0.25f // meters (about 12 inches)
#define JETSKI_SHOCK_LENGTH_REST 0.15f // meters (about 8 inches)
#define JETSKI_SHOCK_LENGTH_SHORT 0.1f // meters (about 4 inches)
#define JETSKI_PITCH_AND_ROLL_RATE 0.02f
#define JETSKI_FRICTION_MIN 0.3f
#define JETSKI_FRICTION_MAX 0.8f
#define JETSKI_SPLASH_DISTANCE 40.0f
#define JETSKI_SPLASH_SPRAY 1
#define JETSKI_SPLASH_SPRAY_SIZE 2.0f
#define JETSKI_SPLASH_GURGLE 2
#define JETSKI_SPLASH_GURGLE_SIZE 8.0f
#define JETSKI_SPLASH_RIPPLE 3
#define JETSKI_SPLASH_RIPPLE_SIZE 10.0f
#define JETSKI_DRAG_NO_THRUST_IN_WATER 10.0f
#define JETSKI_DRAG_NO_THRUST_ON_WATER 30.0f
#define JETSKI_DRAG_LEAN_ADD 10.0f
#define JETSKI_DRAG_IN_REVERSE 10.0f
#define JETSKI_DRAG_IN_THRUST 5.0f
#define JETSKI_STEERING_EPS 0.01f
#define JETSKI_STEERING_IN_PLACE 90.0f
#define JETSKI_STEERING_NORMAL 45.0f
#define JETSKI_STEERING_LEAN 60.0f
#define JETSKI_ROTATE_IN_PLACE_RATIO 0.35f
class CPropJetski : public CPropVehicleDriveable
{
DECLARE_CLASS( CPropJetski, CPropVehicleDriveable );
DECLARE_DATADESC();
public:
// CPropVehicle
virtual void ProcessMovement( CBasePlayer *pPlayer, CMoveData *pMoveData );
virtual void DriveVehicle( CBasePlayer *pPlayer, CUserCmd *ucmd );
virtual void SetupMove( CBasePlayer *player, CUserCmd *ucmd, IMoveHelper *pHelper, CMoveData *move );
// CBaseEntity
void Think(void);
void Precache( void );
void Spawn( void );
virtual void TraceAttack( const CTakeDamageInfo &info, const Vector &vecDir, trace_t *ptr );
virtual int OnTakeDamage( const CTakeDamageInfo &info );
private:
void OnTurn( CUserCmd *ucmd );
void OnSpeed( CUserCmd *ucmd );
void UpdateTurnAndSpeed( void );
void CreateSplash( int nSplashType );
bool UpdateLean( CUserCmd *ucmd );
float CalculateFriction( CUserCmd *ucmd );
float CalculateDrag( CUserCmd *ucmd );
private:
float m_flSpringLengthApproach[4]; //
float m_flFrictionWheels[4];
float m_flHandbrakeTime; // handbrake after the fact to keep vehicles from rolling
bool m_bInitialHandbrake;
float m_springLen[4];
IPhysicsVehicleController *m_pVehicle;
};
LINK_ENTITY_TO_CLASS( prop_vehicle_jetski, CPropJetski );
//---------------------------------------------------------
// Save/Restore
//---------------------------------------------------------
BEGIN_DATADESC( CPropJetski )
DEFINE_AUTO_ARRAY( m_flSpringLengthApproach, FIELD_FLOAT ),
DEFINE_AUTO_ARRAY( m_flFrictionWheels, FIELD_FLOAT ),
DEFINE_FIELD( m_flHandbrakeTime, FIELD_TIME ),
DEFINE_FIELD( m_bInitialHandbrake, FIELD_BOOLEAN ),
DEFINE_AUTO_ARRAY( m_springLen, FIELD_FLOAT ),
DEFINE_PHYSPTR( m_pVehicle ),
END_DATADESC()
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPropJetski::Precache( void )
{
BaseClass::Precache();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPropJetski::Spawn( void )
{
// Setup vehicle as a ray-cast jetski.
SetVehicleType( VEHICLE_TYPE_JETSKI_RAYCAST );
BaseClass::Spawn();
// Handbrake data.
m_flHandbrakeTime = gpGlobals->curtime + 0.1;
m_bInitialHandbrake = false;
m_VehiclePhysics.SetHasBrakePedal( false );
// Slow reverse.
m_VehiclePhysics.SetMaxReverseThrottle( -0.3f );
// Setup vehicle variables.
m_pVehicle = m_VehiclePhysics.GetVehicle();
for ( int i = 0; i < 4; i++ )
{
m_springLen[i] = JETSKI_SHOCK_LENGTH_REST;
}
m_takedamage = DAMAGE_EVENTS_ONLY;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPropJetski::TraceAttack( const CTakeDamageInfo &info, const Vector &vecDir, trace_t *ptr )
{
if ( ptr->hitbox == VEHICLE_HITBOX_DRIVER )
{
if ( m_hPlayer != NULL )
{
m_hPlayer->TakeDamage( info );
}
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
int CPropJetski::OnTakeDamage( const CTakeDamageInfo &info )
{
//Do scaled up physic damage to the car
CTakeDamageInfo physDmg = info;
physDmg.ScaleDamage( 25 );
VPhysicsTakeDamage( physDmg );
//Check to do damage to driver
if ( m_hPlayer != NULL )
{
//Take no damage from physics damages
if ( info.GetDamageType() & DMG_CRUSH )
return 0;
//Take the damage
m_hPlayer->TakeDamage( info );
}
return 0;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPropJetski::Think(void)
{
BaseClass::Think();
// set handbrake after physics sim settles down
if ( gpGlobals->curtime < m_flHandbrakeTime )
{
SetNextThink( gpGlobals->curtime );
}
else if ( !m_bInitialHandbrake ) // after initial timer expires, set the handbrake
{
m_bInitialHandbrake = true;
m_VehiclePhysics.SetHandbrake( true );
m_VehiclePhysics.Think();
}
// play enter animation
if ( (m_bEnterAnimOn || m_bExitAnimOn) && !IsSequenceFinished() )
{
StudioFrameAdvance();
}
else if ( IsSequenceFinished() )
{
if ( m_bExitAnimOn )
{
CBasePlayer *pPlayer = UTIL_GetLocalPlayer();
if ( pPlayer )
{
pPlayer->LeaveVehicle(); // now that sequence is finished, leave car
Vector vecEyes;
QAngle vecEyeAng;
GetAttachment( "vehicle_driver_eyes", vecEyes, vecEyeAng );
vecEyeAng.x = 0;
vecEyeAng.z = 0;
pPlayer->SnapEyeAngles( vecEyeAng );
}
m_bExitAnimOn = false;
}
int iSequence = SelectWeightedSequence( ACT_IDLE );
if ( iSequence > ACTIVITY_NOT_AVAILABLE )
{
m_flCycle = 0;
m_flAnimTime = gpGlobals->curtime;
ResetSequence( iSequence );
ResetClientsideFrame();
}
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPropJetski::OnTurn( CUserCmd *ucmd )
{
#if 0
// Check for lean and adjust the turning radius accordingly.
if ( ucmd->buttons & IN_JUMP )
{
m_VehiclePhysics.SetSteeringDegrees( JETSKI_STEERING_LEAN );
}
else
{
m_VehiclePhysics.SetSteeringDegrees( JETSKI_STEERING_NORMAL );
}
#endif
float flSteering = m_VehiclePhysics.GetSteering();
bool bLeft = ( flSteering < -JETSKI_STEERING_EPS );
bool bRight = ( flSteering > JETSKI_STEERING_EPS );
float flAbsSteering = fabsf( flSteering );
float flInvAbsSteering = 1.0f - flAbsSteering;
// Get the speed and ratio to max speed.
float flSpeed = m_VehiclePhysics.GetSpeed();
float flMaxSpeed = m_VehiclePhysics.GetMaxSpeed();
float flRatio = flSpeed / flMaxSpeed;
float flScale = 1.0f - flRatio;
flScale *= 0.95f;
flScale += 0.05f;
flAbsSteering *= flScale;
flInvAbsSteering *= flScale;
m_flSpringLengthApproach[0] = JETSKI_SHOCK_LENGTH_SHORT; // Front-Left
m_flSpringLengthApproach[1] = JETSKI_SHOCK_LENGTH_SHORT; // Front-Right
m_flSpringLengthApproach[2] = JETSKI_SHOCK_LENGTH_SHORT; // Back-Left
m_flSpringLengthApproach[3] = JETSKI_SHOCK_LENGTH_SHORT; // Back-Right
return;
// Roll right.
if( bRight )
{
float flLengthRight = JETSKI_SHOCK_LENGTH_SHORT + ( JETSKI_SHOCK_LENGTH_REST - JETSKI_SHOCK_LENGTH_SHORT ) * flInvAbsSteering;
float flLengthLeft = JETSKI_SHOCK_LENGTH_REST + ( JETSKI_SHOCK_LENGTH_LONG - JETSKI_SHOCK_LENGTH_REST ) * flAbsSteering;
m_flSpringLengthApproach[0] = flLengthLeft; // Front-Left
m_flSpringLengthApproach[1] = flLengthRight; // Front-Right
m_flSpringLengthApproach[2] = flLengthLeft; // Back-Left
m_flSpringLengthApproach[3] = flLengthRight; // Back-Right
}
// Roll left.
else if ( bLeft )
{
float flLengthRight = JETSKI_SHOCK_LENGTH_REST + ( JETSKI_SHOCK_LENGTH_LONG - JETSKI_SHOCK_LENGTH_REST ) * flAbsSteering;
float flLengthLeft = JETSKI_SHOCK_LENGTH_SHORT + ( JETSKI_SHOCK_LENGTH_REST - JETSKI_SHOCK_LENGTH_SHORT ) * flInvAbsSteering;
m_flSpringLengthApproach[0] = flLengthLeft; // Front-Left
m_flSpringLengthApproach[1] = flLengthRight; // Front-Right
m_flSpringLengthApproach[2] = flLengthLeft; // Back-Left
m_flSpringLengthApproach[3] = flLengthRight; // Back-Right
}
// Return springs to their normal height
else
{
m_flSpringLengthApproach[0] = JETSKI_SHOCK_LENGTH_REST; // Front-Left
m_flSpringLengthApproach[1] = JETSKI_SHOCK_LENGTH_REST; // Front-Right
m_flSpringLengthApproach[2] = JETSKI_SHOCK_LENGTH_REST; // Back-Left
m_flSpringLengthApproach[3] = JETSKI_SHOCK_LENGTH_REST; // Back-Right
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
bool CPropJetski::UpdateLean( CUserCmd *ucmd )
{
// Are we leaning back?
if ( ucmd->buttons & IN_JUMP )
{
m_pVehicle->SetLeanBack( true );
return true;
}
m_pVehicle->SetLeanBack( false );
return false;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
float CPropJetski::CalculateFriction( CUserCmd *ucmd )
{
// Get the speed and ratio to max speed.
float flSpeed = m_VehiclePhysics.GetSpeed();
float flMaxSpeed = m_VehiclePhysics.GetMaxSpeed();
float flRatio = flSpeed / flMaxSpeed;
float flFriction = JETSKI_FRICTION_MAX;
flRatio = 1.0f - ( float )pow( flRatio, 4 );
flFriction = JETSKI_FRICTION_MIN + ( JETSKI_FRICTION_MAX - JETSKI_FRICTION_MIN ) * flRatio;
flFriction = clamp( flFriction, JETSKI_FRICTION_MIN, JETSKI_FRICTION_MAX );
// Debug!
Msg( "Speed = %f, Friction = %f", flSpeed, flFriction );
return flFriction;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
float CPropJetski::CalculateDrag( CUserCmd *ucmd )
{
// Get the speed and ratio to max speed.
float flSpeed = m_VehiclePhysics.GetSpeed();
float flMaxSpeed = m_VehiclePhysics.GetMaxSpeed();
float flRatio = flSpeed / flMaxSpeed;
float flDrag = 0.0f;
bool bLean = UpdateLean( ucmd );
#if 0
if ( bLean )
{
flDrag += JETSKI_DRAG_LEAN_ADD;
}
float flNormalizedRatio = ( flRatio - 0.4f ) * 1.667f;
float flSplineRatio = SimpleSpline( flNormalizedRatio );
flFriction = JETSKI_FRICTION_MAX + ( JETSKI_FRICTION_MIN - JETSKI_FRICTION_MAX ) * flSplineRatio;
flDrag = JETSKI_DRAG_IN_WATER + ( JETSKI_DRAG_ON_WATER - JETSKI_DRAG_IN_WATER ) * flNormalizedRatio;
// Leaning backwards.
if ( bLean )
{
flDrag += JETSKI_DRAG_LEAN_ADD;
}
}
#define JETSKI_DRAG_NO_THRUST_IN_WATER 10.0f
#define JETSKI_DRAG_NO_THRUST_ON_WATER 30.0f
#define JETSKI_DRAG_LEAN_ADD 10.0f
#define JETSKI_DRAG_IN_REVERSE 10.0f
#define JETSKI_DRAG_IN_THRUST 5.0f
#endif
// Debug
Msg( "Drag = %f\n", flDrag );
return flDrag;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPropJetski::OnSpeed( CUserCmd *ucmd )
{
// Get the physics object so we can adjust the drag.
IPhysicsObject *pPhysJetski = VPhysicsGetObject();
if ( !pPhysJetski )
return;
float flFriction = CalculateFriction( ucmd );
float flDrag = CalculateDrag( ucmd );
// Update the friction of the jetski "fake wheels."
for ( int iWheel = 0; iWheel < 4; ++iWheel )
{
m_flFrictionWheels[iWheel] = flFriction;
}
// Update the Damp coefficient on the jetski.
float flZero = 0.0f;
pPhysJetski->SetDragCoefficient( &flDrag, &flZero );
#if 0
// Splash effects.
if ( flRatio > 0.1f )
{
CreateSplash( JETSKI_SPLASH_RIPPLE );
}
float flRandom = random->RandomFloat( 0.0f, 1.0f );
if ( flRatio > 0.8f && flRandom < 0.15f )
{
CreateSplash( JETSKI_SPLASH_SPRAY );
}
#endif
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPropJetski::UpdateTurnAndSpeed( void )
{
#if 1
// Update springs.
m_springLen[0] = UTIL_Approach( m_flSpringLengthApproach[0], m_springLen[0], JETSKI_PITCH_AND_ROLL_RATE );
m_pVehicle->SetSpringLength( 0, m_springLen[0] );
m_springLen[1] = UTIL_Approach( m_flSpringLengthApproach[1], m_springLen[1], JETSKI_PITCH_AND_ROLL_RATE );
m_pVehicle->SetSpringLength( 1, m_springLen[1] );
m_springLen[2] = UTIL_Approach( m_flSpringLengthApproach[2], m_springLen[2], JETSKI_PITCH_AND_ROLL_RATE );
m_pVehicle->SetSpringLength( 2, m_springLen[2] );
m_springLen[3] = UTIL_Approach( m_flSpringLengthApproach[3], m_springLen[3], JETSKI_PITCH_AND_ROLL_RATE );
m_pVehicle->SetSpringLength( 3, m_springLen[3] );
#endif
// Update wheel frictions.
for ( int iWheel = 0; iWheel < 4; ++iWheel )
{
m_pVehicle->SetWheelFriction( iWheel, m_flFrictionWheels[iWheel] );
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPropJetski::DriveVehicle( CBasePlayer *pPlayer, CUserCmd *ucmd )
{
//Lose control when the player dies
if ( pPlayer->IsAlive() == false )
return;
OnTurn( ucmd );
OnSpeed( ucmd );
UpdateTurnAndSpeed();
m_VehiclePhysics.UpdateDriverControls( ucmd, ucmd->frametime );
// Save this data.
m_nSpeed = m_VehiclePhysics.GetSpeed();
m_nRPM = m_VehiclePhysics.GetRPM();
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *pPlayer -
// *pMoveData -
//-----------------------------------------------------------------------------
void CPropJetski::ProcessMovement( CBasePlayer *pPlayer, CMoveData *pMoveData )
{
BaseClass::ProcessMovement( pPlayer, pMoveData );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPropJetski::SetupMove( CBasePlayer *player, CUserCmd *ucmd, IMoveHelper *pHelper, CMoveData *move )
{
DriveVehicle( player, ucmd );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPropJetski::CreateSplash( int nSplashType )
{
Vector vecSplashPoint;
QAngle vecSplashAngles;
GetAttachment( "splash_pt", vecSplashPoint, vecSplashAngles );
Vector vecForward, vecUp;
AngleVectors( vecSplashAngles, &vecForward, &vecUp, NULL );
CEffectData data;
data.m_vOrigin = vecSplashPoint;
switch ( nSplashType )
{
case JETSKI_SPLASH_SPRAY:
{
Vector vecSplashDir;
vecSplashDir = ( vecForward + vecUp ) * 0.5f;
VectorNormalize( vecSplashDir );
data.m_vNormal = vecSplashDir;
data.m_flScale = JETSKI_SPLASH_SPRAY_SIZE + random->RandomFloat( 0, JETSKI_SPLASH_SPRAY_SIZE * 0.25 );
DispatchEffect( "waterripple", data );
DispatchEffect( "watersplash", data );
}
case JETSKI_SPLASH_GURGLE:
{
Vector vecSplashDir;
vecSplashDir = vecUp;
data.m_vNormal = vecSplashDir;
data.m_flScale = JETSKI_SPLASH_GURGLE_SIZE + random->RandomFloat( 0, JETSKI_SPLASH_GURGLE_SIZE * 0.25 );
DispatchEffect( "waterripple", data );
DispatchEffect( "watersplash", data );
}
case JETSKI_SPLASH_RIPPLE:
{
Vector vecSplashDir;
vecSplashDir = vecUp;
data.m_vNormal = vecSplashDir;
data.m_flScale = JETSKI_SPLASH_RIPPLE_SIZE + random->RandomFloat( 0, JETSKI_SPLASH_RIPPLE_SIZE * 0.25 );
DispatchEffect( "waterripple", data );
}
default:
{
return;
}
}
}