You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
128 lines
3.4 KiB
128 lines
3.4 KiB
//========= Copyright Valve Corporation, All rights reserved. ============//
|
|
//
|
|
// Purpose: Simple model entity that randomly moves and changes direction
|
|
// when activated.
|
|
//
|
|
//=============================================================================//
|
|
|
|
#include "cbase.h"
|
|
|
|
class CMyModelEntity : public CBaseAnimating
|
|
{
|
|
public:
|
|
DECLARE_CLASS( CMyModelEntity, CBaseAnimating );
|
|
DECLARE_DATADESC();
|
|
|
|
void Spawn( void );
|
|
void Precache( void );
|
|
|
|
void MoveThink( void );
|
|
|
|
// Input function
|
|
void InputToggle( inputdata_t &inputData );
|
|
|
|
private:
|
|
|
|
bool m_bActive;
|
|
float m_flNextChangeTime;
|
|
};
|
|
|
|
LINK_ENTITY_TO_CLASS( my_model_entity, CMyModelEntity );
|
|
|
|
// Start of our data description for the class
|
|
BEGIN_DATADESC( CMyModelEntity )
|
|
|
|
// Save/restore our active state
|
|
DEFINE_FIELD( m_bActive, FIELD_BOOLEAN ),
|
|
DEFINE_FIELD( m_flNextChangeTime, FIELD_TIME ),
|
|
|
|
// Links our input name from Hammer to our input member function
|
|
DEFINE_INPUTFUNC( FIELD_VOID, "Toggle", InputToggle ),
|
|
|
|
// Declare our think function
|
|
DEFINE_THINKFUNC( MoveThink ),
|
|
|
|
END_DATADESC()
|
|
|
|
// Name of our entity's model
|
|
#define ENTITY_MODEL "models/gibs/airboat_broken_engine.mdl"
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Precache assets used by the entity
|
|
//-----------------------------------------------------------------------------
|
|
void CMyModelEntity::Precache( void )
|
|
{
|
|
PrecacheModel( ENTITY_MODEL );
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Sets up the entity's initial state
|
|
//-----------------------------------------------------------------------------
|
|
void CMyModelEntity::Spawn( void )
|
|
{
|
|
Precache();
|
|
|
|
SetModel( ENTITY_MODEL );
|
|
SetSolid( SOLID_BBOX );
|
|
UTIL_SetSize( this, -Vector(20,20,20), Vector(20,20,20) );
|
|
|
|
m_bActive = false;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Think function to randomly move the entity
|
|
//-----------------------------------------------------------------------------
|
|
void CMyModelEntity::MoveThink( void )
|
|
{
|
|
// See if we should change direction again
|
|
if ( m_flNextChangeTime < gpGlobals->curtime )
|
|
{
|
|
// Randomly take a new direction and speed
|
|
Vector vecNewVelocity = RandomVector( -64.0f, 64.0f );
|
|
SetAbsVelocity( vecNewVelocity );
|
|
|
|
// Randomly change it again within one to three seconds
|
|
m_flNextChangeTime = gpGlobals->curtime + random->RandomFloat( 1.0f, 3.0f );
|
|
}
|
|
|
|
// Snap our facing to where we're heading
|
|
Vector velFacing = GetAbsVelocity();
|
|
QAngle angFacing;
|
|
VectorAngles( velFacing, angFacing );
|
|
SetAbsAngles( angFacing );
|
|
|
|
// Think every 20Hz
|
|
SetNextThink( gpGlobals->curtime + 0.05f );
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Toggle the movement of the entity
|
|
//-----------------------------------------------------------------------------
|
|
void CMyModelEntity::InputToggle( inputdata_t &inputData )
|
|
{
|
|
// Toggle our active state
|
|
if ( !m_bActive )
|
|
{
|
|
// Start thinking
|
|
SetThink( &CMyModelEntity::MoveThink );
|
|
SetNextThink( gpGlobals->curtime + 0.05f );
|
|
|
|
// Start flying
|
|
SetMoveType( MOVETYPE_FLY );
|
|
|
|
// Set our next time for changing our speed and direction
|
|
m_flNextChangeTime = gpGlobals->curtime;
|
|
m_bActive = true;
|
|
}
|
|
else
|
|
{
|
|
// Stop thinking
|
|
SetThink( NULL );
|
|
|
|
// Stop moving
|
|
SetAbsVelocity( vec3_origin );
|
|
SetMoveType( MOVETYPE_NONE );
|
|
|
|
m_bActive = false;
|
|
}
|
|
}
|