DoomRTX/neo/doom3/game/weapons/Weapon_machinegun.cpp

// Weapon_machinegun.cpp
//

#pragma hdrstop
#include "precompiled.h"
#include "../Game_local.h"


#define MACHINEGUN_FIRERATE			0.1		// ~10 per second
#define MACHINEGUN_LOWAMMO			10
#define MACHINEGUN_NUMPROJECTILES	1

// blend times
#define MACHINEGUN_IDLE_TO_LOWER	4
#define MACHINEGUN_IDLE_TO_FIRE		0
#define	MACHINEGUN_IDLE_TO_RELOAD	4
#define MACHINEGUN_RAISE_TO_IDLE	4
#define MACHINEGUN_FIRE_TO_IDLE		0
#define MACHINEGUN_RELOAD_TO_IDLE	4


/*
===============
rvmWeaponMachineGun::Init
===============
*/
void rvmWeaponMachineGun::Init( idWeapon* weapon )
{
	rvmWeaponObject::Init( weapon );

	next_attack = 0;
	spread = weapon->GetFloat( "spread" );

	snd_lowammo = FindSound( "snd_lowammo" );
}

/*
===============
rvmWeaponMachineGun::Raise
===============
*/
stateResult_t rvmWeaponMachineGun::Raise( stateParms_t* parms )
{
	enum RisingState
	{
		RISING_NOTSET = 0,
		RISING_WAIT
	};

	switch( parms->stage )
	{
		case RISING_NOTSET:
			owner->Event_PlayAnim( ANIMCHANNEL_ALL, "raise", false );
			parms->stage = RISING_WAIT;
			return SRESULT_WAIT;

		case RISING_WAIT:
			if( owner->Event_AnimDone( ANIMCHANNEL_ALL, MACHINEGUN_RAISE_TO_IDLE ) )
			{
				return SRESULT_DONE;
			}
			return SRESULT_WAIT;
	}

	return SRESULT_ERROR;
}


/*
===============
rvmWeaponMachineGun::Lower
===============
*/
stateResult_t rvmWeaponMachineGun::Lower( stateParms_t* parms )
{
	enum LoweringState
	{
		LOWERING_NOTSET = 0,
		LOWERING_WAIT
	};

	switch( parms->stage )
	{
		case LOWERING_NOTSET:
			owner->Event_PlayAnim( ANIMCHANNEL_ALL, "putaway", false );
			parms->stage = LOWERING_WAIT;
			return SRESULT_WAIT;

		case LOWERING_WAIT:
			if( owner->Event_AnimDone( ANIMCHANNEL_ALL, 0 ) )
			{
				SetState( "Holstered" );
				return SRESULT_DONE;
			}
			return SRESULT_WAIT;
	}

	return SRESULT_ERROR;
}

/*
===============
rvmWeaponMachineGun::Idle
===============
*/
stateResult_t rvmWeaponMachineGun::Idle( stateParms_t* parms )
{
	enum IdleState
	{
		IDLE_NOTSET = 0,
		IDLE_WAIT
	};

	switch( parms->stage )
	{
		case IDLE_NOTSET:
			owner->Event_WeaponReady();
			owner->Event_PlayCycle( ANIMCHANNEL_ALL, "idle" );
			parms->stage = IDLE_WAIT;
			return SRESULT_WAIT;

		case IDLE_WAIT:
			// Do nothing.
			return SRESULT_DONE;
	}

	return SRESULT_ERROR;
}


/*
===============
rvmWeaponMachineGun::Fire
===============
*/
stateResult_t rvmWeaponMachineGun::Fire( stateParms_t* parms )
{
	int ammoClip = owner->AmmoInClip();

	enum FIRE_State
	{
		FIRE_NOTSET = 0,
		FIRE_WAIT
	};

	if( ammoClip == 0 && owner->AmmoAvailable() && owner->AutoReload() && parms->stage == 0 )
	{
		//owner->WeaponState( WP_RELOAD, PISTOL_IDLE_TO_RELOAD );
		owner->Reload();
		return SRESULT_DONE;
	}

	switch( parms->stage )
	{
		case FIRE_NOTSET:
			next_attack = gameLocal.realClientTime + SEC2MS( MACHINEGUN_FIRERATE );
			owner->Event_LaunchProjectiles( MACHINEGUN_NUMPROJECTILES, spread, 0, 1, 1 );

			owner->Event_PlayAnim( ANIMCHANNEL_ALL, "fire", false );
			parms->stage = FIRE_WAIT;
			return SRESULT_WAIT;

		case FIRE_WAIT:
			if( owner->Event_AnimDone( ANIMCHANNEL_ALL, MACHINEGUN_FIRE_TO_IDLE ) )
			{
				return SRESULT_DONE;
			}
			return SRESULT_WAIT;
	}

	return SRESULT_ERROR;
}

/*
===============
rvmWeaponMachineGun::Reload
===============
*/
stateResult_t rvmWeaponMachineGun::Reload( stateParms_t* parms )
{
	enum RELOAD_State
	{
		RELOAD_NOTSET = 0,
		RELOAD_WAIT
	};

	switch( parms->stage )
	{
		case RELOAD_NOTSET:
			owner->Event_PlayAnim( ANIMCHANNEL_ALL, "reload", false );
			parms->stage = RELOAD_WAIT;
			return SRESULT_WAIT;

		case RELOAD_WAIT:
			if( owner->Event_AnimDone( ANIMCHANNEL_ALL, 0 ) )
			{
				owner->Event_AddToClip( owner->ClipSize() );
				return SRESULT_DONE;
			}
			return SRESULT_WAIT;
	}
	return SRESULT_ERROR;
}