317 lines
8.7 KiB
C++
317 lines
8.7 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: TF Nail Grenade.
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//
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//=============================================================================//
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#include "cbase.h"
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#include "tf_weaponbase.h"
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#include "tf_gamerules.h"
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#include "npcevent.h"
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#include "engine/IEngineSound.h"
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#include "tf_weapon_grenade_nail.h"
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// Server specific.
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#ifdef GAME_DLL
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#include "tf_player.h"
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#include "items.h"
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#include "tf_weaponbase_grenadeproj.h"
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#include "soundent.h"
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#include "KeyValues.h"
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#include "tf_projectile_nail.h"
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#include "physics_saverestore.h"
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#include "phys_controller.h"
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#endif
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#define GRENADE_NAIL_TIMER 3.0f //Seconds
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//=============================================================================
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//
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// TF Nail Grenade tables.
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//
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IMPLEMENT_NETWORKCLASS_ALIASED( TFGrenadeNail, DT_TFGrenadeNail )
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BEGIN_NETWORK_TABLE( CTFGrenadeNail, DT_TFGrenadeNail )
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END_NETWORK_TABLE()
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BEGIN_PREDICTION_DATA( CTFGrenadeNail )
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END_PREDICTION_DATA()
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LINK_ENTITY_TO_CLASS( tf_weapon_grenade_nail, CTFGrenadeNail );
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PRECACHE_WEAPON_REGISTER( tf_weapon_grenade_nail );
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//=============================================================================
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//
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// TF Nail Grenade functions.
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//
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// Server specific.
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#ifdef GAME_DLL
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BEGIN_DATADESC( CTFGrenadeNail )
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END_DATADESC()
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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CTFWeaponBaseGrenadeProj *CTFGrenadeNail::EmitGrenade( Vector vecSrc, QAngle vecAngles, Vector vecVel,
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AngularImpulse angImpulse, CBasePlayer *pPlayer, float flTime, int iflags )
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{
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return CTFGrenadeNailProjectile::Create( vecSrc, vecAngles, vecVel, angImpulse,
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pPlayer, GetTFWpnData(), flTime );
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}
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#endif
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//=============================================================================
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//
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// TF Nail Grenade Projectile functions (Server specific).
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//
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#ifdef GAME_DLL
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BEGIN_DATADESC( CTFGrenadeNailProjectile )
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DEFINE_THINKFUNC( EmitNails ),
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DEFINE_EMBEDDED( m_GrenadeController ),
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DEFINE_PHYSPTR( m_pMotionController ),
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END_DATADESC()
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#define GRENADE_MODEL "models/weapons/w_models/w_grenade_nail.mdl"
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LINK_ENTITY_TO_CLASS( tf_weapon_grenade_nail_projectile, CTFGrenadeNailProjectile );
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PRECACHE_WEAPON_REGISTER( tf_weapon_grenade_nail_projectile );
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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CTFGrenadeNailProjectile* CTFGrenadeNailProjectile::Create( const Vector &position, const QAngle &angles,
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const Vector &velocity, const AngularImpulse &angVelocity,
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CBaseCombatCharacter *pOwner, const CTFWeaponInfo &weaponInfo, float timer, int iFlags )
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{
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// Nail grenades are always thrown like discs
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QAngle vecCustomAngles = angles;
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vecCustomAngles.x = clamp( vecCustomAngles.x, -10,10 );
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vecCustomAngles.z = clamp( vecCustomAngles.x, -10,10 );
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Vector vecCustomAngVelocity = vec3_origin;
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vecCustomAngVelocity.z = RandomFloat( -600, 600 );
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CTFGrenadeNailProjectile *pGrenade = static_cast<CTFGrenadeNailProjectile*>( CTFWeaponBaseGrenadeProj::Create( "tf_weapon_grenade_nail_projectile", position, vecCustomAngles, velocity, vecCustomAngVelocity, pOwner, weaponInfo, timer, iFlags ) );
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return pGrenade;
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}
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CTFGrenadeNailProjectile::~CTFGrenadeNailProjectile()
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{
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if ( m_pMotionController != NULL )
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{
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physenv->DestroyMotionController( m_pMotionController );
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m_pMotionController = NULL;
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CTFGrenadeNailProjectile::Spawn()
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{
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SetModel( GRENADE_MODEL );
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m_pMotionController = NULL;
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UseClientSideAnimation();
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BaseClass::Spawn();
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CTFGrenadeNailProjectile::Precache()
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{
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PrecacheModel( GRENADE_MODEL );
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PrecacheScriptSound( "Weapon_Grenade_Nail.Launch" );
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BaseClass::Precache();
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CTFGrenadeNailProjectile::BounceSound( void )
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{
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EmitSound( "Weapon_Grenade_Nail.Bounce" );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CTFGrenadeNailProjectile::Detonate()
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{
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if ( ShouldNotDetonate() )
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{
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RemoveGrenade();
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return;
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}
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StartEmittingNails();
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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int CTFGrenadeNailProjectile::OnTakeDamage( const CTakeDamageInfo &info )
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{
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if ( m_pMotionController != NULL )
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{
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// motioncontroller is animating us, dont take hits that will disorient us
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return 0;
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}
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return BaseClass::OnTakeDamage( info );
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}
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void CTFGrenadeNailProjectile::StartEmittingNails( void )
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{
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// 0.4 seconds later, emit nails
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IPhysicsObject *pPhysicsObject = VPhysicsGetObject();
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if ( pPhysicsObject )
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{
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m_pMotionController = physenv->CreateMotionController( &m_GrenadeController );
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m_pMotionController->AttachObject( pPhysicsObject, true );
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pPhysicsObject->EnableGravity( false );
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pPhysicsObject->Wake();
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}
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QAngle ang(0,0,0);
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Vector pos = GetAbsOrigin();
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pos.z += 32;
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m_GrenadeController.SetDesiredPosAndOrientation( pos, ang );
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m_flNailAngle = 0;
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m_iNumNailBurstsLeft = 40;
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int animDesired = SelectWeightedSequence( ACT_RANGE_ATTACK1 );
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ResetSequence( animDesired );
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SetPlaybackRate( 1.0 );
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Vector soundPosition = GetAbsOrigin() + Vector( 0, 0, 5 );
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CPASAttenuationFilter filter( soundPosition );
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EmitSound( filter, entindex(), "Weapon_Grenade_Nail.Launch" );
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#ifdef GAME_DLL
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SetThink( &CTFGrenadeNailProjectile::EmitNails );
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SetNextThink( gpGlobals->curtime + 0.4 );
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#endif
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}
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void CTFGrenadeNailProjectile::EmitNails( void )
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{
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m_iNumNailBurstsLeft--;
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if ( m_iNumNailBurstsLeft < 0 )
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{
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BaseClass::Detonate();
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return;
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}
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Vector forward, up;
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float flAngleToAdd = random->RandomFloat( 30, 40 );
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// else release some nails
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for ( int i=0; i < 4 ;i++ )
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{
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m_flNailAngle = UTIL_AngleMod( m_flNailAngle + flAngleToAdd );
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QAngle angNail( random->RandomFloat( -3, 3 ), m_flNailAngle, 0 );
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// Emit a nail
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CTFProjectile_Nail *pNail = CTFProjectile_Nail::Create( GetAbsOrigin(), angNail, this, GetThrower() );
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if ( pNail )
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{
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pNail->SetDamage( 18 );
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}
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}
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SetNextThink( gpGlobals->curtime + 0.1 );
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}
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IMotionEvent::simresult_e CNailGrenadeController::Simulate( IPhysicsMotionController *pController, IPhysicsObject *pObject, float deltaTime, Vector &linear, AngularImpulse &angular )
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{
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// Try to get to m_vecDesiredPosition
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// Try to orient ourselves to m_angDesiredOrientation
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Vector currentPos;
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QAngle currentAng;
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pObject->GetPosition( ¤tPos, ¤tAng );
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Vector vecVel;
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AngularImpulse angVel;
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pObject->GetVelocity( &vecVel, &angVel );
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linear.Init();
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angular.Init();
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if ( m_bReachedPos )
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{
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// Lock at this height
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if ( vecVel.Length() > 1.0 )
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{
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AngularImpulse nil( 0,0,0 );
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pObject->SetVelocityInstantaneous( &vec3_origin, &nil );
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// For now teleport to the proper orientation
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currentAng.x = 0;
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currentAng.y = 0;
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currentAng.z = 0;
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pObject->SetPosition( currentPos, currentAng, true );
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}
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}
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else
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{
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// not at the right height yet, keep moving up
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linear.z = 50 * ( m_vecDesiredPosition.z - currentPos.z );
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if ( currentPos.z > m_vecDesiredPosition.z )
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{
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// lock into position
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m_bReachedPos = true;
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}
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// Start rotating in the right direction
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// we'll lock angles once we reach proper height to stop the oscillating
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matrix3x4_t matrix;
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// get the object's local to world transform
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pObject->GetPositionMatrix( &matrix );
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Vector m_worldGoalAxis(0,0,1);
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// Get the alignment axis in object space
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Vector currentLocalTargetAxis;
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VectorIRotate( m_worldGoalAxis, matrix, currentLocalTargetAxis );
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float invDeltaTime = (1/deltaTime);
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float m_angularLimit = 10;
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angular = ComputeRotSpeedToAlignAxes( m_worldGoalAxis, currentLocalTargetAxis, angVel, 1.0, invDeltaTime * invDeltaTime, m_angularLimit * invDeltaTime );
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}
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return SIM_GLOBAL_ACCELERATION;
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}
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void CNailGrenadeController::SetDesiredPosAndOrientation( Vector pos, QAngle orientation )
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{
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m_vecDesiredPosition = pos;
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m_angDesiredOrientation = orientation;
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m_bReachedPos = false;
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m_bReachedOrientation = false;
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}
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BEGIN_SIMPLE_DATADESC( CNailGrenadeController )
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END_DATADESC()
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#endif
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