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game/server/tf2/env_fallingrocks.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "cbase.h"
+
+#define MAX_ROCK_MODELS		6
+
+// Rock models
+char *sRockModels[ MAX_ROCK_MODELS ] =
+{
+	"models/props/cliffside/inhibitor_rocks/inhibitor_rock12.mdl",
+	"models/props/cliffside/inhibitor_rocks/inhibitor_rock13.mdl",
+	"models/props/cliffside/inhibitor_rocks/inhibitor_rock14.mdl",
+	"models/props/cliffside/inhibitor_rocks/inhibitor_rock19.mdl",
+	"models/props/cliffside/inhibitor_rocks/inhibitor_rock20.mdl",
+	"models/props/cliffside/inhibitor_rocks/inhibitor_rock21.mdl",
+};
+
+//-----------------------------------------------------------------------------
+// Purpose: A falling rock entity
+//-----------------------------------------------------------------------------
+class CFallingRock : public CBaseAnimating
+{
+	DECLARE_CLASS( CFallingRock, CBaseAnimating );
+public:
+	DECLARE_DATADESC();
+
+	CFallingRock( void );
+	virtual void Spawn( void );
+	virtual void VPhysicsUpdate( IPhysicsObject *pPhysics );
+	static CFallingRock *Create( const Vector &vecOrigin, const QAngle &vecAngles, const Vector &vecVelocity, const AngularImpulse &vecRotationSpeed );
+
+	void	RockTouch( CBaseEntity *pOther );
+public:
+};
+
+BEGIN_DATADESC( CFallingRock )
+
+	// functions
+	DEFINE_FUNCTION( RockTouch ),
+
+END_DATADESC()
+LINK_ENTITY_TO_CLASS( fallingrock, CFallingRock );
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CFallingRock::CFallingRock( void ) 
+{
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CFallingRock::Spawn( void )
+{
+	SetModel( sRockModels[ random->RandomInt(0,MAX_ROCK_MODELS-1) ] );
+	SetMoveType( MOVETYPE_NONE );
+	m_takedamage = DAMAGE_NO;
+
+	// Create the object in the physics system
+	VPhysicsInitNormal( SOLID_BBOX, 0, false );
+	UTIL_SetSize( this, Vector(-4,-4,-4), Vector(4,4,4) );
+
+	SetTouch( RockTouch );
+	SetThink( SUB_Remove );
+	SetNextThink( gpGlobals->curtime + random->RandomFloat( 20.0, 30.0 ) );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CFallingRock::VPhysicsUpdate( IPhysicsObject *pPhysics )
+{
+	BaseClass::VPhysicsUpdate( pPhysics );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Create a falling rock
+//-----------------------------------------------------------------------------
+CFallingRock *CFallingRock::Create( const Vector &vecOrigin, const QAngle &vecAngles, const Vector &vecVelocity, const AngularImpulse &vecRotationSpeed )
+{
+	CFallingRock *pRock = (CFallingRock*)CreateEntityByName("fallingrock");
+
+	UTIL_SetOrigin( pRock, vecOrigin );
+	pRock->SetLocalAngles( vecAngles );
+	pRock->Spawn();
+
+	IPhysicsObject *pPhysicsObject = pRock->VPhysicsGetObject();
+	if ( pPhysicsObject )
+	{
+		pPhysicsObject->AddVelocity( &vecVelocity, &vecRotationSpeed );
+	}
+
+	return pRock;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CFallingRock::RockTouch( CBaseEntity *pOther )
+{
+}
+
+
+
+
+
+
+//-----------------------------------------------------------------------------
+// Purpose: A falling rock spawner entity
+//-----------------------------------------------------------------------------
+class CEnv_FallingRocks : public CPointEntity
+{
+	DECLARE_CLASS( CEnv_FallingRocks, CPointEntity );
+public:
+	DECLARE_DATADESC();
+
+	virtual void Spawn( void );
+	virtual void Precache( void );
+	void		 RockThink( void );
+	void		 InputSpawnRock( inputdata_t &inputdata );
+
+public:
+	float			m_flFallStrength;
+	float			m_flRotationSpeed;
+	float			m_flMinSpawnTime;
+	float			m_flMaxSpawnTime;
+	COutputEvent	m_pOutputRockSpawned;
+};
+
+BEGIN_DATADESC( CEnv_FallingRocks )
+
+	// Fields
+	DEFINE_KEYFIELD( m_flFallStrength, FIELD_FLOAT, "FallSpeed"),
+	DEFINE_KEYFIELD( m_flRotationSpeed, FIELD_FLOAT, "RotationSpeed"),
+	DEFINE_KEYFIELD( m_flMinSpawnTime, FIELD_FLOAT, "MinSpawnTime"),
+	DEFINE_KEYFIELD( m_flMaxSpawnTime, FIELD_FLOAT, "MaxSpawnTime"),
+
+	// Inputs
+	DEFINE_INPUTFUNC( FIELD_VOID,	"SpawnRock",	InputSpawnRock ),
+
+	// Outputs
+	DEFINE_OUTPUT( m_pOutputRockSpawned,	"OnRockSpawned" ),
+
+	// Functions
+	DEFINE_FUNCTION( RockThink ),
+
+END_DATADESC()
+LINK_ENTITY_TO_CLASS( env_fallingrocks, CEnv_FallingRocks );
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CEnv_FallingRocks::Spawn( void )
+{
+	Precache();
+	SetThink( RockThink );
+	SetNextThink( gpGlobals->curtime + random->RandomFloat( m_flMinSpawnTime, m_flMaxSpawnTime ) );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CEnv_FallingRocks::Precache( void )
+{
+	for (int i = 0; i < MAX_ROCK_MODELS; i++ )
+	{
+		PrecacheModel( sRockModels[i] );
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CEnv_FallingRocks::RockThink( void )
+{
+	// Spawn a rock
+	// Make it aim a little around the angle supplied
+	QAngle angFire = GetAbsAngles();
+	angFire.y += random->RandomFloat( -10, 10 );
+	Vector vecForward;
+	AngleVectors( angFire, &vecForward );
+	CFallingRock::Create( GetAbsOrigin(), GetAbsAngles(), (vecForward * m_flFallStrength), AngularImpulse(0,0,m_flRotationSpeed) );
+
+	// Fire our output
+	m_pOutputRockSpawned.FireOutput( NULL,this );
+
+	SetNextThink( gpGlobals->curtime + random->RandomFloat( m_flMinSpawnTime, m_flMaxSpawnTime ) );
+}
+
+//------------------------------------------------------------------------------
+// Purpose:
+//------------------------------------------------------------------------------
+void CEnv_FallingRocks::InputSpawnRock( inputdata_t &inputdata )
+{
+	RockThink();
+}