/*
#include "actor.h"
#include "gi.h"
#include "m_random.h"
#include "s_sound.h"
#include "d_player.h"
#include "a_action.h"
#include "p_local.h"
#include "a_action.h"
#include "p_pspr.h"
#include "gstrings.h"
#include "a_hexenglobal.h"
#include "thingdef/thingdef.h"
*/

static FRandom pr_staffcheck ("CStaffCheck");
static FRandom pr_blink ("CStaffBlink");

// Serpent Staff Missile ----------------------------------------------------

class ACStaffMissile : public AActor
{
	DECLARE_CLASS (ACStaffMissile, AActor)
public:
	int DoSpecialDamage (AActor *target, int damage);
};

IMPLEMENT_CLASS (ACStaffMissile)

int ACStaffMissile::DoSpecialDamage (AActor *target, int damage)
{
	// Cleric Serpent Staff does poison damage
	if (target->player)
	{
		P_PoisonPlayer (target->player, this, this->target, 20);
		damage >>= 1;
	}
	return damage;
}

//============================================================================
//
// A_CStaffCheck
//
//============================================================================

DEFINE_ACTION_FUNCTION(AActor, A_CStaffCheck)
{
	APlayerPawn *pmo;
	int damage;
	int newLife, max;
	angle_t angle;
	int slope;
	int i;
	player_t *player;
	AActor *linetarget;

	if (NULL == (player = self->player))
	{
		return;
	}
	AWeapon *weapon = self->player->ReadyWeapon;

	pmo = player->mo;
	damage = 20+(pr_staffcheck()&15);
	max = pmo->GetMaxHealth();
	for (i = 0; i < 3; i++)
	{
		angle = pmo->angle+i*(ANG45/16);
		slope = P_AimLineAttack (pmo, angle, fixed_t(1.5*MELEERANGE), &linetarget, 0, ALF_CHECK3D);
		if (linetarget)
		{
			P_LineAttack (pmo, angle, fixed_t(1.5*MELEERANGE), slope, damage, NAME_Melee, PClass::FindClass ("CStaffPuff"), false, &linetarget);
			pmo->angle = R_PointToAngle2 (pmo->x, pmo->y, 
				linetarget->x, linetarget->y);
			if (((linetarget->player && (!linetarget->IsTeammate (pmo) || level.teamdamage != 0))|| linetarget->flags3&MF3_ISMONSTER)
				&& (!(linetarget->flags2&(MF2_DORMANT+MF2_INVULNERABLE))))
			{
				// [CW] Clients should not set their own health.
				if (( NETWORK_GetState( ) != NETSTATE_CLIENT ) && ( !CLIENTDEMO_IsPlaying( )))
				{
					newLife = player->health+(damage>>3);
					newLife = newLife > max ? max : newLife;
					if (newLife > player->health)
					{
						pmo->health = player->health = newLife;

						// [BC] Send the health update.
						if ( NETWORK_GetState( ) == NETSTATE_SERVER )
							SERVERCOMMANDS_SetPlayerHealth( ULONG( player - players ));
					}
				}
				P_SetPsprite (player, ps_weapon, weapon->FindState ("Drain"));
			}
			if (weapon != NULL)
			{
				weapon->DepleteAmmo (weapon->bAltFire, false);
			}
			break;
		}
		angle = pmo->angle-i*(ANG45/16);
		slope = P_AimLineAttack (player->mo, angle, fixed_t(1.5*MELEERANGE), &linetarget, 0, ALF_CHECK3D);
		if (linetarget)
		{
			P_LineAttack (pmo, angle, fixed_t(1.5*MELEERANGE), slope, damage, NAME_Melee, PClass::FindClass ("CStaffPuff"), false, &linetarget);
			pmo->angle = R_PointToAngle2 (pmo->x, pmo->y, 
				linetarget->x, linetarget->y);
			if ((linetarget->player && (!linetarget->IsTeammate (pmo) || level.teamdamage != 0)) || linetarget->flags3&MF3_ISMONSTER)
			{
				// [CW] Clients should not set their own health.
				if (( NETWORK_GetState( ) != NETSTATE_CLIENT ) && ( !CLIENTDEMO_IsPlaying( )))
				{
					newLife = player->health+(damage>>4);
					newLife = newLife > max ? max : newLife;
					pmo->health = player->health = newLife;
				}

				// [BC] Send the health update.
				if ( NETWORK_GetState( ) == NETSTATE_SERVER )
					SERVERCOMMANDS_SetPlayerHealth( ULONG( player - players ));

				P_SetPsprite (player, ps_weapon, weapon->FindState ("Drain"));
			}
			weapon->DepleteAmmo (weapon->bAltFire, false);
			break;
		}
	}
}

//============================================================================
//
// A_CStaffAttack
//
//============================================================================

DEFINE_ACTION_FUNCTION(AActor, A_CStaffAttack)
{
	AActor *mo;
	player_t *player;

	if (NULL == (player = self->player))
	{
		return;
	}

	AWeapon *weapon = self->player->ReadyWeapon;
	if (weapon != NULL)
	{
		if (!weapon->DepleteAmmo (weapon->bAltFire))
			return;
	}

	// [BC] Weapons are handled by the server.
	if (( NETWORK_GetState( ) == NETSTATE_CLIENT ) ||
		( CLIENTDEMO_IsPlaying( )))
	{
		S_Sound (self, CHAN_WEAPON, "ClericCStaffFire", 1, ATTN_NORM);
		return;
	}

	mo = P_SpawnPlayerMissile (self, RUNTIME_CLASS(ACStaffMissile), self->angle-(ANG45/15));
	if (mo)
	{
		mo->WeaveIndexXY = 32;

		// [BC] Clients need to have this information.
		if ( NETWORK_GetState( ) == NETSTATE_SERVER )
			SERVERCOMMANDS_SetThingSpecial2( mo );
	}
	mo = P_SpawnPlayerMissile (self, RUNTIME_CLASS(ACStaffMissile), self->angle+(ANG45/15));
	if (mo)
	{
		mo->WeaveIndexXY = 0;
	}

	// [BC] Apply spread.
	if ( player->cheats & CF_SPREAD )
	{
		mo = P_SpawnPlayerMissile( self, RUNTIME_CLASS( ACStaffMissile ), self->angle-(ANG45/15) + ( ANGLE_45 / 3 ));
		if (mo)
		{
			mo->special2 = 32;

			// [BC] Clients need to have this information.
			if ( NETWORK_GetState( ) == NETSTATE_SERVER )
				SERVERCOMMANDS_SetThingSpecial2( mo );
		}
		mo = P_SpawnPlayerMissile( self, RUNTIME_CLASS( ACStaffMissile ), self->angle+(ANG45/15) + ( ANGLE_45 / 3 ));
		if (mo)
		{
			mo->special2 = 0;
		}

		mo = P_SpawnPlayerMissile( self, RUNTIME_CLASS( ACStaffMissile ), self->angle-(ANG45/15) - ( ANGLE_45 / 3 ));
		if (mo)
		{
			mo->special2 = 32;

			// [BC] Clients need to have this information.
			if ( NETWORK_GetState( ) == NETSTATE_SERVER )
				SERVERCOMMANDS_SetThingSpecial2( mo );
		}
		mo = P_SpawnPlayerMissile( self, RUNTIME_CLASS( ACStaffMissile ), self->angle+(ANG45/15) - ( ANGLE_45 / 3 ));
		if (mo)
		{
			mo->special2 = 0;
		}
	}

	S_Sound (self, CHAN_WEAPON, "ClericCStaffFire", 1, ATTN_NORM);

	// [BC] If we're the server, play the sound for clients.
	if ( NETWORK_GetState( ) == NETSTATE_SERVER )
		SERVERCOMMANDS_WeaponSound( ULONG( player - players ), "ClericCStaffFire", ULONG( player - players ), SVCF_SKIPTHISCLIENT );
}

//============================================================================
//
// A_CStaffMissileSlither
//
//============================================================================

DEFINE_ACTION_FUNCTION(AActor, A_CStaffMissileSlither)
{
	A_Weave(self, 3, 0, FRACUNIT, 0);
}

//============================================================================
//
// A_CStaffInitBlink
//
//============================================================================

DEFINE_ACTION_FUNCTION(AActor, A_CStaffInitBlink)
{
	self->special1 = (pr_blink()>>1)+20;
}

//============================================================================
//
// A_CStaffCheckBlink
//
//============================================================================

DEFINE_ACTION_FUNCTION(AActor, A_CStaffCheckBlink)
{
	if (self->player && self->player->ReadyWeapon)
	{
		if (!--self->special1)
		{
			P_SetPsprite (self->player, ps_weapon, self->player->ReadyWeapon->FindState ("Blink"));
			self->special1 = (pr_blink()+50)>>2;
		}
		else 
		{
			DoReadyWeapon(self);
		}
	}
}
