/*  Copyright (C) 1996-2022 id Software LLC

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

    See file, 'COPYING', for details.
*/

void() W_SetCurrentAmmo;
/* ALL LIGHTS SHOULD BE 0 1 0 IN COLOR ALL OTHER ITEMS SHOULD
BE .8 .3 .4 IN COLOR */


void() SUB_regen =
{
	self.model = self.mdl;		// restore original model
	self.solid = SOLID_TRIGGER;	// allow it to be touched again
	sound (self, CHAN_VOICE, "items/itembk2.wav", 1, ATTN_NORM);	// play respawn sound
	setorigin (self, self.origin);
};


/*QUAKED noclass (0 0 0) (-8 -8 -8) (8 8 8)
prints a warning message when spawned
*/
void() noclass =
{
	dprint ("noclass spawned at");
	dprint (vtos(self.origin));
	dprint ("\n");
	remove (self);
};



/*
============
PlaceItem

plants the object on the floor
============
*/
void() PlaceItem =
{
	local float	oldz;

	self.mdl = self.model;		// so it can be restored on respawn
	self.flags = FL_ITEM;		// make extra wide
	self.solid = SOLID_TRIGGER;
	if(self.spawnflags & DROPTOFLOOR_DISABLE)
	{
		self.movetype = MOVETYPE_NONE;
	}
	else
	{
		self.movetype = MOVETYPE_TOSS;
	}
	self.velocity = '0 0 0';
	self.origin_z = self.origin_z + 6;
	oldz = self.origin_z;
	if (!droptofloor())
	{
		dprint ("Bonus item fell out of level at ");
		dprint (vtos(self.origin));
		dprint ("\n");
		remove(self);
		return;
	}
};

/*
============
StartItem

Sets the clipping size and plants the object on the floor
============
*/
void() StartItem =
{
	INHIBIT_COOP

	if (RemovedOutsideCoop()) return;

	self.nextthink = time + 0.2;	// items start after other solids
	self.think = PlaceItem;
};

/*
=========================================================================

HEALTH BOX

=========================================================================
*/
//
// T_Heal: add health to an entity, limiting health to max_health
// "ignore" will ignore max_health limit
//
float (entity e, float healamount, float ignore) T_Heal =
{
	if (e.health <= 0)
		return 0;
	if ((!ignore) && (e.health >= other.max_health))
		return 0;
	healamount = ceil(healamount);
	
	// AY Dec13 2021, horde rune of hunger
	if (cvar("horde") && (serverflags & 2))
		e.hunger_time = time + HUNGER_MAX;

	e.health = e.health + healamount;
	if ((!ignore) && (e.health >= other.max_health))
		e.health = other.max_health;
		
	if (e.health > 250)
		e.health = 250;
	return 1;
};

/*QUAKED item_health (.3 .3 1) (0 0 0) (32 32 32) rotten megahealth
Health box. Normally gives 25 points.
Rotten box heals 5-10 points,
megahealth will add 100 health, then 
rot you down to your maximum health limit, 
one point per second.
*/

float	H_ROTTEN = 1;
float	H_MEGA = 2;
.float	healamount, healtype;
void() health_touch;
void() item_megahealth_rot;

void() item_health =
{	
	self.touch = health_touch;

	if (self.spawnflags & H_ROTTEN)
	{
		precache_model("maps/b_bh10.bsp");

		precache_sound("items/r_item1.wav");
		setmodel(self, "maps/b_bh10.bsp");
		self.noise = "items/r_item1.wav";
		self.healamount = 15;
		self.healtype = 0;
	}
	else
	if (self.spawnflags & H_MEGA)
	{
		precache_model("maps/b_bh100.bsp");
		precache_sound("items/r_item2.wav");
		setmodel(self, "maps/b_bh100.bsp");
		self.noise = "items/r_item2.wav";
		self.healamount = 100;
		self.healtype = 2;
	}
	else
	{
		precache_model("maps/b_bh25.bsp");
		precache_sound("items/health1.wav");
		setmodel(self, "maps/b_bh25.bsp");
		self.noise = "items/health1.wav";
		self.healamount = 25;
		self.healtype = 1;
	}
	setsize (self, '0 0 0', '32 32 56');
	StartItem ();
};


void() health_touch =
{
	if (other.classname != "player")
		return;

#ifdef COOP_RESPAWN_ITEMS_FOR_PLAYERS
	if (coop && other == self.enemy && self.wait <= 0) //In coop, don't allow the same player to pick up all the respawns.
		return;
	self.enemy = other;	// Store this player for coop
#endif

	if (self.healtype == 2) // Megahealth?  Ignore max_health...
	{
		if (other.health >= 250)
			return;
		if (!T_Heal(other, self.healamount, 1))
			return;
	}
	else
	{
		if (!T_Heal(other, self.healamount, 0))
			return;
	}
	
	sprint(other, "$qc_item_health", ftos(self.healamount));
	
// health touch sound
	sound(other, CHAN_ITEM, self.noise, 1, ATTN_NORM);

	stuffcmd (other, "bf\n");
	
	self.model = string_null;
	self.solid = SOLID_NOT;

	// Megahealth = rot down the player's super health
	if (self.healtype == 2)
	{
		other.items = other.items | IT_SUPERHEALTH;
		self.nextthink = time + 5;
		self.think = item_megahealth_rot;
		self.owner = other;
	}
	else
	{
		if (deathmatch != 2)		// deathmatch 2 is the silly old rules
		{
			if (deathmatch)
			{
				self.nextthink = time + 20;
				self.think = SUB_regen;
			}
		}

#ifdef COOP_RESPAWN_ITEMS_FOR_PLAYERS		
		if(coop && self.wait <= 0)
		{
			self.cnt++;
			if(self.cnt < num_players) //Not been picked up by all players yet.
			{
				self.nextthink = time + 1; 
				self.think = SUB_regen; // Respawn almost immediately
			}
			else
			{
				self.enemy = world;
				self.cnt = 0;
				self.nextthink = time + 6 * 60;
				self.think = SUB_regen; // Respawn after 6 mins in case the players get stuck on something hard.
			}
		}
		else
#endif

		if (self.wait)
		{
			self.nextthink = time + self.wait;
			self.think = SUB_regen;
			self.enemy = world;
		}
	}
	
	activator = other;
	SUB_UseTargets();				// fire all targets / killtargets
};	

void() item_megahealth_rot =
{
	other = self.owner;
	
	if (other.health > other.max_health)
	{
		other.health = other.health - 1;
		self.nextthink = time + 1;
		return;
	}

// it is possible for a player to die and respawn between rots, so don't
// just blindly subtract the flag off
	other.items = other.items - (other.items & IT_SUPERHEALTH);
	
	if (deathmatch && deathmatch != 2)	// deathmatch 2 is silly old rules
	{
		self.nextthink = time + 20;
		self.think = SUB_regen;
	}
};

/*
===============================================================================

ARMOR

===============================================================================
*/

void() armor_touch =
{
	local	float	type, value, bit;
	
	if (other.health <= 0)
		return;
	if (other.classname != "player")
		return;

#ifdef COOP_RESPAWN_ITEMS_FOR_PLAYERS
	if (coop && other == self.enemy && self.wait <= 0) //In coop, don't allow the same player to pick up all the respawns.
		return;
	self.enemy = other;	// Store this player for coop
#endif

	if (self.classname == "item_armor1")
	{
		type = 0.3;
		value = 100;
		bit = IT_ARMOR1;
	}
	if (self.classname == "item_armor2")
	{
		type = 0.6;
		value = 150;
		bit = IT_ARMOR2;
	}
	if (self.classname == "item_armorInv")
	{
		type = 0.8;
		value = 200;
		bit = IT_ARMOR3;
	}
	if (other.armortype*other.armorvalue >= type*value)
		return;
		
	other.armortype = type;
	other.armorvalue = value;
	other.items = other.items - (other.items & (IT_ARMOR1 | IT_ARMOR2 | IT_ARMOR3)) + bit;

	self.solid = SOLID_NOT;
	self.model = string_null;
	
#ifdef COOP_RESPAWN_ITEMS_FOR_PLAYERS	
	if(coop && self.wait <= 0)
	{
		self.cnt++;
		if(self.cnt < num_players) //Not been picked up by all players yet.
		{
			self.nextthink = time + 1; 
			self.think = SUB_regen; // Respawn almost immediately
		}
		else
		{
			self.enemy = world;
			self.cnt = 0;
			self.nextthink = time + 8 * 60;
			self.think = SUB_regen; // Respawn after 8 mins in case the players get stuck on something hard.
		}
	}
	else
#endif

	if (deathmatch && deathmatch != 2)
	{
		self.nextthink = time + 20;
		self.think = SUB_regen;
	}
	else if (self.wait)
	{
		self.enemy = world;
		self.nextthink = time + self.wait;
		self.think = SUB_regen;
	}


	sprint(other, "$qc_item_armor");
	// armor touch sound
	sound(other, CHAN_ITEM, "items/armor1.wav", 1, ATTN_NORM);
	stuffcmd (other, "bf\n");
	
	activator = other;
	SUB_UseTargets();				// fire all targets / killtargets
};


/*QUAKED item_armor1 (0 .5 .8) (-16 -16 0) (16 16 32)
*/

void() item_armor1 =
{
	self.touch = armor_touch;
	self.armortype = 0.3;
	self.armorvalue = 100;
	precache_model ("progs/armor.mdl");
	setmodel (self, "progs/armor.mdl");
	self.skin = 0;
	setsize (self, '-16 -16 0', '16 16 56');
	StartItem ();
};

/*QUAKED item_armor2 (0 .5 .8) (-16 -16 0) (16 16 32)
*/

void() item_armor2 =
{
	self.touch = armor_touch;
	self.armortype = 0.6;
	self.armorvalue = 150;
	precache_model ("progs/armor.mdl");
	setmodel (self, "progs/armor.mdl");
	self.skin = 1;
	setsize (self, '-16 -16 0', '16 16 56');
	StartItem ();
};

/*QUAKED item_armorInv (0 .5 .8) (-16 -16 0) (16 16 32)
*/

void() item_armorInv =
{
	self.touch = armor_touch;
	self.armortype = 0.8;
	self.armorvalue = 200;
	precache_model ("progs/armor.mdl");
	setmodel (self, "progs/armor.mdl");
	self.skin = 2;
	setsize (self, '-16 -16 0', '16 16 56');
	StartItem ();
};

/*
===============================================================================

WEAPONS

===============================================================================
*/
void() bound_other_ammo =
{
	if (other.ammo_shells > 100)
		other.ammo_shells = 100;
	if (other.ammo_nails > 200)
		other.ammo_nails = 200;
	if (other.ammo_rockets > 100)
		other.ammo_rockets = 100;		
	if (other.ammo_cells > 100)
		other.ammo_cells = 100;		
};


float(float w) RankForWeapon =
{
	if (w == IT_LIGHTNING)
		return 1;
	if (w == IT_ROCKET_LAUNCHER)
		return 2;
	if (w == IT_SUPER_NAILGUN)
		return 3;
	if (w == IT_GRENADE_LAUNCHER)
		return 4;
	if (w == IT_SUPER_SHOTGUN)
		return 5;
	if (w == IT_NAILGUN)
		return 6;
	return 7;
};

/*
=============
Deathmatch_Weapon

Deathmatch weapon change rules for picking up a weapon

.float		ammo_shells, ammo_nails, ammo_rockets, ammo_cells;
=============
*/
void(float old, float new) Deathmatch_Weapon =
{
	local float or, nr;

// change self.weapon if desired
	or = RankForWeapon (self.weapon);
	nr = RankForWeapon (new);
	if ( nr < or )
		self.weapon = new;
};

/*
=============
weapon_touch
=============
*/
float() W_BestWeapon;
float(entity playerEnt, float old, float new) W_WantsToChangeWeapon;

void() weapon_touch =
{
	local	float	hadammo, best, new, old;
	local	entity	stemp;
	local	float	leave;

	if (!(other.flags & FL_CLIENT))
		return;

// if the player was using his best weapon, change up to the new one if better		
	stemp = self;
	self = other;
	best = W_BestWeapon();
	self = stemp;

	if (coop || deathmatch == 2 || deathmatch == 3 || deathmatch == 5)
		leave = 1;
	else
		leave = 0;
	
	if (self.classname == "weapon_nailgun")
	{
		if (leave && (other.items & IT_NAILGUN) )
			return;
		hadammo = other.ammo_nails;			
		new = IT_NAILGUN;
		other.ammo_nails = other.ammo_nails + 30;
	}
	else if (self.classname == "weapon_supernailgun")
	{
		if (leave && (other.items & IT_SUPER_NAILGUN) )
			return;
		hadammo = other.ammo_rockets;			
		new = IT_SUPER_NAILGUN;
		other.ammo_nails = other.ammo_nails + 30;
	}
	else if (self.classname == "weapon_supershotgun")
	{
		if (leave && (other.items & IT_SUPER_SHOTGUN) )
			return;
		hadammo = other.ammo_rockets;			
		new = IT_SUPER_SHOTGUN;
		other.ammo_shells = other.ammo_shells + 5;
	}
	else if (self.classname == "weapon_rocketlauncher")
	{
		if (leave && (other.items & IT_ROCKET_LAUNCHER) )
			return;
		hadammo = other.ammo_rockets;			
		new = IT_ROCKET_LAUNCHER;
		other.ammo_rockets = other.ammo_rockets + 5;
	}
	else if (self.classname == "weapon_grenadelauncher")
	{
		if (leave && (other.items & IT_GRENADE_LAUNCHER) )
			return;
		hadammo = other.ammo_rockets;			
		new = IT_GRENADE_LAUNCHER;
		other.ammo_rockets = other.ammo_rockets + 5;
	}
	else if (self.classname == "weapon_lightning")
	{
		if (leave && (other.items & IT_LIGHTNING) )
			return;
		hadammo = other.ammo_rockets;			
		new = IT_LIGHTNING;
		other.ammo_cells = other.ammo_cells + 15;
	}
	else
		objerror ("weapon_touch: unknown classname");

	sprint(other, "$qc_got_item", self.netname);
	// weapon touch sound
	sound (other, CHAN_ITEM, "weapons/pkup.wav", 1, ATTN_NORM);
	stuffcmd (other, "bf\n");

	bound_other_ammo ();

// change to the weapon
	old = other.items;
	other.items = other.items | new;
	
	stemp = self;
	self = other;

	if(W_WantsToChangeWeapon(other, old, other.items) == 1)
	{
		if (!deathmatch)
			self.weapon = new;
		else
			Deathmatch_Weapon (old, new);
	}

	W_SetCurrentAmmo();

	self = stemp;

	// Moved up so the targets are fired even in coop, but only once.
	activator = other;
	SUB_UseTargets();				// fire all targets / killtargets
	
	if (leave)
	{
		self.target = string_null;
		return;
	}

// remove it in single player, or setup for respawning in deathmatch
	self.model = string_null;
	self.solid = SOLID_NOT;
	if (deathmatch && deathmatch != 2)
	{
		self.nextthink = time + 30;
		self.think = SUB_regen;
	}
	else if (self.wait)
	{
		self.nextthink = time + self.wait;
		self.think = SUB_regen;
	}

};


/*QUAKED weapon_supershotgun (0 .5 .8) (-16 -16 0) (16 16 32)
*/

void() weapon_supershotgun =
{
	precache_model ("progs/g_shot.mdl");
	setmodel (self, "progs/g_shot.mdl");
	self.weapon = IT_SUPER_SHOTGUN;
	self.netname = "$qc_double_shotgun";
	self.touch = weapon_touch;
	setsize (self, '-16 -16 0', '16 16 56');
	StartItem ();
};

/*QUAKED weapon_nailgun (0 .5 .8) (-16 -16 0) (16 16 32)
*/

void() weapon_nailgun =
{
	precache_model ("progs/g_nail.mdl");
	setmodel (self, "progs/g_nail.mdl");
	self.weapon = IT_NAILGUN;
	self.netname = "$qc_nailgun";
	self.touch = weapon_touch;
	setsize (self, '-16 -16 0', '16 16 56');
	StartItem ();
};

/*QUAKED weapon_supernailgun (0 .5 .8) (-16 -16 0) (16 16 32)
*/

void() weapon_supernailgun =
{
	precache_model ("progs/g_nail2.mdl");
	setmodel (self, "progs/g_nail2.mdl");
	self.weapon = IT_SUPER_NAILGUN;
	self.netname = "$qc_super_nailgun";
	self.touch = weapon_touch;
	setsize (self, '-16 -16 0', '16 16 56');
	StartItem ();
};

/*QUAKED weapon_grenadelauncher (0 .5 .8) (-16 -16 0) (16 16 32)
*/

void() weapon_grenadelauncher =
{
	precache_model ("progs/g_rock.mdl");
	setmodel (self, "progs/g_rock.mdl");
	self.weapon = IT_GRENADE_LAUNCHER;
	self.netname = "$qc_grenade_launcher";
	self.touch = weapon_touch;
	setsize (self, '-16 -16 0', '16 16 56');
	StartItem ();
};

/*QUAKED weapon_rocketlauncher (0 .5 .8) (-16 -16 0) (16 16 32)
*/

void() weapon_rocketlauncher =
{
	precache_model ("progs/g_rock2.mdl");
	setmodel (self, "progs/g_rock2.mdl");
	self.weapon = IT_ROCKET_LAUNCHER;
	self.netname = "$qc_rocket_launcher";
	self.touch = weapon_touch;
	setsize (self, '-16 -16 0', '16 16 56');
	StartItem ();
};


/*QUAKED weapon_lightning (0 .5 .8) (-16 -16 0) (16 16 32)
*/

void() weapon_lightning =
{
	precache_model ("progs/g_light.mdl");
	setmodel (self, "progs/g_light.mdl");
	self.weapon = IT_LIGHTNING;
	self.netname = "$qc_thunderbolt";
	self.touch = weapon_touch;
	setsize (self, '-16 -16 0', '16 16 56');
	StartItem ();
};


/*
===============================================================================

AMMO

===============================================================================
*/

void() ammo_touch =
{
	entity stemp;
	float best;

	if (other.classname != "player")
		return;
	if (other.health <= 0)
		return;

#ifdef COOP_RESPAWN_ITEMS_FOR_PLAYERS
	if (coop && other == self.enemy && self.wait <= 0) //In coop, don't allow the same player to pick up all the respawns.
		return;
	self.enemy = other;	// Store this player for coop
#endif

	// if the player was using his best weapon, change up to the new one if better		
	stemp = self;
	self = other;
	best = W_BestWeapon();
	self = stemp;

	// shotgun
	if (self.weapon == 1)
	{
		if (other.ammo_shells >= 100)
			return;
		other.ammo_shells = other.ammo_shells + self.aflag;
	}

	// spikes
	if (self.weapon == 2)
	{
		if (other.ammo_nails >= 200)
			return;
		other.ammo_nails = other.ammo_nails + self.aflag;
	}

	//	rockets
	if (self.weapon == 3)
	{
		if (other.ammo_rockets >= 100)
			return;
		other.ammo_rockets = other.ammo_rockets + self.aflag;
	}

	//	cells
	if (self.weapon == 4)
	{
		if (other.ammo_cells >= 100)
			return;
		other.ammo_cells = other.ammo_cells + self.aflag;
	}

	bound_other_ammo ();
	
	sprint(other, "$qc_got_item", self.netname);
	// ammo touch sound
	sound (other, CHAN_ITEM, "weapons/lock4.wav", 1, ATTN_NORM);
	stuffcmd (other, "bf\n");

	// change to a better weapon if appropriate

	if ( other.weapon == best && (W_WantsToChangeWeapon(other, 0, 1) == 1))
	{
		stemp = self;
		self = other;
		self.weapon = W_BestWeapon();
		W_SetCurrentAmmo ();
		self = stemp;
	}

	// if changed current ammo, update it
	stemp = self;
	self = other;
	W_SetCurrentAmmo();
	self = stemp;

	
	// remove it in single player, or setup for respawning in deathmatch
	self.model = string_null;
	self.solid = SOLID_NOT;

	self.think = SUB_regen;
#ifdef COOP_RESPAWN_ITEMS_FOR_PLAYERS
	if(coop && self.wait <= 0) //Wait overrides coop respawn behaviour
	{
		self.cnt++;
		if(self.cnt < num_players) //Not been picked up by all players yet.
		{
			self.nextthink = time + 1; 
			self.think = SUB_regen; // Respawn almost immediately
		}
		else
		{
			self.enemy = world;
			self.cnt = 0;
			self.nextthink = time + 4 * 60;
			self.think = SUB_regen; // Respawn after 4 mins in case the players get stuck on something hard.
		}
	}
	else 
#endif
	if (deathmatch)
	{
		if (deathmatch == 3 || deathmatch == 5)
		{
			self.nextthink = time + 15;
		}
		else if (deathmatch != 2)
		{
			self.nextthink = time + 30;
		}
	}
	else if (self.wait)
	{
		self.enemy = world;
		self.nextthink = time + self.wait;
	}
	

	activator = other;
	SUB_UseTargets();				// fire all targets / killtargets
};




float WEAPON_BIG2 = 1;

/*QUAKED item_shells (0 .5 .8) (0 0 0) (32 32 32) big
*/

void() item_shells =
{
	self.touch = ammo_touch;

	if (self.spawnflags & WEAPON_BIG2)
	{
		precache_model ("maps/b_shell1.bsp");
		setmodel (self, "maps/b_shell1.bsp");
		self.aflag = 40;
	}
	else
	{
		precache_model ("maps/b_shell0.bsp");
		setmodel (self, "maps/b_shell0.bsp");
		self.aflag = 20;
	}
	self.weapon = 1;
	self.netname = "$qc_shells";
	setsize (self, '0 0 0', '32 32 56');
	StartItem ();
};

/*QUAKED item_spikes (0 .5 .8) (0 0 0) (32 32 32) big
*/

void() item_spikes =
{
	self.touch = ammo_touch;

	if (self.spawnflags & WEAPON_BIG2)
	{
		precache_model ("maps/b_nail1.bsp");
		setmodel (self, "maps/b_nail1.bsp");
		self.aflag = 50;
	}
	else
	{
		precache_model ("maps/b_nail0.bsp");
		setmodel (self, "maps/b_nail0.bsp");
		self.aflag = 25;
	}
	self.weapon = 2;
	self.netname = "$qc_nails";
	setsize (self, '0 0 0', '32 32 56');
	StartItem ();
};

/*QUAKED item_rockets (0 .5 .8) (0 0 0) (32 32 32) big
*/

void() item_rockets =
{
	self.touch = ammo_touch;

	if (self.spawnflags & WEAPON_BIG2)
	{
		precache_model ("maps/b_rock1.bsp");
		setmodel (self, "maps/b_rock1.bsp");
		self.aflag = 10;
	}
	else
	{
		precache_model ("maps/b_rock0.bsp");
		setmodel (self, "maps/b_rock0.bsp");
		self.aflag = 5;
	}
	self.weapon = 3;
	self.netname = "$qc_rockets";
	setsize (self, '0 0 0', '32 32 56');
	StartItem ();
};


/*QUAKED item_cells (0 .5 .8) (0 0 0) (32 32 32) big
*/

void() item_cells =
{
	self.touch = ammo_touch;

	if (self.spawnflags & WEAPON_BIG2)
	{
		precache_model ("maps/b_batt1.bsp");
		setmodel (self, "maps/b_batt1.bsp");
		self.aflag = 12;
	}
	else
	{
		precache_model ("maps/b_batt0.bsp");
		setmodel (self, "maps/b_batt0.bsp");
		self.aflag = 6;
	}
	self.weapon = 4;
	self.netname = "$qc_cells";
	setsize (self, '0 0 0', '32 32 56');
	StartItem ();
};


/*
===============================================================================

KEYS

===============================================================================
*/

void() key_touch =
{
	if (other.classname != "player")
		return;
	if (other.health <= 0)
		return;
	if (other.items & self.items)
		return;

	sprint(other, "$qc_got_item", self.netname);

	sound (other, CHAN_ITEM, self.noise, 1, ATTN_NORM);
	stuffcmd (other, "bf\n");
	other.items = other.items | self.items;

	if (!coop)
	{	
		self.solid = SOLID_NOT;
		self.model = string_null;
	}

	activator = other;
	SUB_UseTargets();				// fire all targets / killtargets
	self.target = string_null; //Only fire the trigger once though.
};


void() key_setsounds =
{
	// yoder mod jan 13, 2021
	if (self.worldtype == WORLDTYPE_MEDIEVAL)
	{
		precache_sound ("misc/medkey.wav");
		self.noise = "misc/medkey.wav";
	}
	else if (self.worldtype == WORLDTYPE_METAL)
	{
		precache_sound ("misc/runekey.wav");
		self.noise = "misc/runekey.wav";
	}
	else if (self.worldtype == WORLDTYPE_BASE)
	{
		precache_sound2 ("misc/basekey.wav");
		self.noise = "misc/basekey.wav";
	}
};

/*QUAKED item_key1 (0 .5 .8) (-16 -16 -24) (16 16 32)
SILVER key
In order for keys to work
you MUST set your maps
worldtype to one of the
following:
0: medieval
1: metal
2: base
*/

void() item_key1 =
{
	SUB_SetWorldtype();

	if (self.worldtype == WORLDTYPE_MEDIEVAL || self.worldtype == WORLDTYPE_HUB)
	{
		self.netname = "$qc_silver_key";
		precache_model ("progs/w_s_key.mdl");
		setmodel (self, "progs/w_s_key.mdl");
	}
	else if (self.worldtype == WORLDTYPE_METAL)
	{
		self.netname = "$qc_silver_runekey";
		precache_model ("progs/m_s_key.mdl");
		setmodel (self, "progs/m_s_key.mdl");
	}
	else if (self.worldtype == WORLDTYPE_BASE)
	{
		self.netname = "$qc_silver_keycard";
		precache_model2 ("progs/b_s_key.mdl");
		setmodel (self, "progs/b_s_key.mdl");
	}

	key_setsounds();
	self.touch = key_touch;
	self.items = IT_KEY1;
	setsize (self, '-16 -16 -24', '16 16 32');
	StartItem ();
};

/*QUAKED item_key2 (0 .5 .8) (-16 -16 -24) (16 16 32)
GOLD key
In order for keys to work
you MUST set your maps
worldtype to one of the
following:
0: medieval
1: metal
2: base
*/

void() item_key2 =
{
	SUB_SetWorldtype();

	if (self.worldtype == WORLDTYPE_MEDIEVAL || self.worldtype == WORLDTYPE_HUB)
	{
		precache_model ("progs/w_g_key.mdl");
		setmodel (self, "progs/w_g_key.mdl");
		self.netname = "$qc_gold_key";
	}
	else if (self.worldtype == WORLDTYPE_METAL)
	{
		precache_model ("progs/m_g_key.mdl");
		setmodel (self, "progs/m_g_key.mdl");
		self.netname = "$qc_gold_runekey";
	}
	else if (self.worldtype == WORLDTYPE_BASE)
	{
		precache_model2 ("progs/b_g_key.mdl");
		setmodel (self, "progs/b_g_key.mdl");
		self.netname = "$qc_gold_keycard";
	}
	
	key_setsounds();
	self.touch = key_touch;
	self.items = IT_KEY2;
	setsize (self, '-16 -16 -24', '16 16 32');
	StartItem ();
};




/*
===============================================================================

POWERUPS

===============================================================================
*/

void() powerup_touch;


void() powerup_touch =
{
	if (other.classname != "player")
		return;
	if (other.health <= 0)
		return;

	sprint(other, "$qc_got_item", self.netname);		

	if (deathmatch)
	{
		self.mdl = self.model;
		
		if ((self.classname == "item_artifact_invulnerability") ||
			(self.classname == "item_artifact_invisibility"))
			self.nextthink = time + 60*5;
		else
			self.nextthink = time + 60;
		
		self.think = SUB_regen;
	}
	else if (self.wait)
	{
		self.nextthink = time + self.wait;
		self.think = SUB_regen;
	}


	sound (other, CHAN_VOICE, self.noise, 1, ATTN_NORM);
	stuffcmd (other, "bf\n");
	self.solid = SOLID_NOT;
	other.items = other.items | self.items;
	self.model = string_null;

	activator = other;
	SUB_UseTargets();				// fire all targets / killtargets
	
	if (self.classname == "item_artifact_envirosuit")
	// do the apropriate action
	{
		other.rad_time = 1;
		other.radsuit_finished = time + 30;
		if(coop) //Respawn biosuit in coop, since it might be required for progression
		{
			self.target = string_null;
			self.think = SUB_regen;
			self.nextthink = time + 2.5;
		}
	}
	if (self.classname == "item_artifact_invulnerability")
	{
		other.invincible_time = 1;
		// Yoder Sept24 2021 Horde Merge
		if (horde_ent)
			other.invincible_finished = time + 5;
		else	
			other.invincible_finished = time + 30;
	}
	
	if (self.classname == "item_artifact_invisibility")
	{
		other.invisible_time = 1;
		other.invisible_finished = time + 30;
	}

	if (self.classname == "item_artifact_super_damage")
	{
		other.super_time = 1;
		// Yoder Sept24 2021 Horde Merge
		if (horde_ent)
			other.super_damage_finished = time + 5;
		else
			other.super_damage_finished = time + 30;
	}	

};



/*QUAKED item_artifact_invulnerability (0 .5 .8) (-16 -16 -24) (16 16 32)
Player is invulnerable for 30 seconds
*/
void() item_artifact_invulnerability =
{
	self.touch = powerup_touch;

	precache_model ("progs/invulner.mdl");
	precache_sound ("items/protect.wav");
	precache_sound ("items/protect2.wav");
	precache_sound ("items/protect3.wav");
	self.noise = "items/protect.wav";
	setmodel (self, "progs/invulner.mdl");
	self.netname = "$qc_pentagram_of_protection";
	self.items = IT_INVULNERABILITY;
	setsize (self, '-16 -16 -24', '16 16 32');
	StartItem ();
};

/*QUAKED item_artifact_envirosuit (0 .5 .8) (-16 -16 -24) (16 16 32)
Player takes no damage from water or slime for 30 seconds
*/
void() item_artifact_envirosuit =
{
	self.touch = powerup_touch;

	precache_model ("progs/suit.mdl");
	precache_sound ("items/suit.wav");
	precache_sound ("items/suit2.wav");
	self.noise = "items/suit.wav";
	setmodel (self, "progs/suit.mdl");
	self.netname = "$qc_biosuit";
	self.items = IT_SUIT;
	setsize (self, '-16 -16 -24', '16 16 32');
	StartItem ();
};


/*QUAKED item_artifact_invisibility (0 .5 .8) (-16 -16 -24) (16 16 32)
Player is invisible for 30 seconds
*/
void() item_artifact_invisibility =
{
	self.touch = powerup_touch;

	precache_model ("progs/invisibl.mdl");
	precache_sound ("items/inv1.wav");
	precache_sound ("items/inv2.wav");
	precache_sound ("items/inv3.wav");
	self.noise = "items/inv1.wav";
	setmodel (self, "progs/invisibl.mdl");
	self.netname = "$qc_ring_of_shadows";
	self.items = IT_INVISIBILITY;
	setsize (self, '-16 -16 -24', '16 16 32');
	StartItem ();
};


/*QUAKED item_artifact_super_damage (0 .5 .8) (-16 -16 -24) (16 16 32)
The next attack from the player will do 4x damage
*/
void() item_artifact_super_damage =
{
	self.touch = powerup_touch;

	precache_model ("progs/quaddama.mdl");
	precache_sound ("items/damage.wav");
	precache_sound ("items/damage2.wav");
	precache_sound ("items/damage3.wav");
	self.noise = "items/damage.wav";
	setmodel (self, "progs/quaddama.mdl");
	self.netname = "$qc_quad_damage";
	self.items = IT_QUAD;
	setsize (self, '-16 -16 -24', '16 16 32');
	StartItem ();
};



/*
===============================================================================

PLAYER BACKPACKS

===============================================================================
*/

void() BackpackTouch =
{
	local	float	best, old, new;
	local		entity	stemp;
	local	float	acount;
	
	if (other.classname != "player")
		return;
	if (other.health <= 0)
		return;

	acount = 0;
	sprint(other, "$qc_backpack_got");

	if (self.items)
		if ((other.items & self.items) == 0 && self.netname)
		{
			acount = 1;
			sprint(other, "{}", self.netname); // No need to localize
		}

// if the player was using his best weapon, change up to the new one if better		
	stemp = self;
	self = other;
	best = W_BestWeapon();
	self = stemp;

// change weapons
	other.ammo_shells = other.ammo_shells + self.ammo_shells;
	other.ammo_nails = other.ammo_nails + self.ammo_nails;
	other.ammo_rockets = other.ammo_rockets + self.ammo_rockets;
	other.ammo_cells = other.ammo_cells + self.ammo_cells;

	new = self.items;
	if (!new)
		new = other.weapon;
	old = other.items;
	other.items = other.items | new;
	
	bound_other_ammo ();

	if (self.ammo_shells)
	{
		if (acount)
			sprint(other, ", "); // No need to localize
		acount = 1;
		sprint(other, "$qc_backpack_shells", ftos(self.ammo_shells));
	}
	if (self.ammo_nails)
	{
		if (acount)
			sprint(other, ", "); // No need to localize
		acount = 1;
		sprint(other, "$qc_backpack_nails", ftos(self.ammo_nails));
	}
	if (self.ammo_rockets)
	{
		if (acount)
			sprint(other, ", "); // No need to localize
		acount = 1;
		sprint(other, "$qc_backpack_rockets", ftos(self.ammo_rockets));
	}
	if (self.ammo_cells)
	{
		if (acount)
			sprint(other, ", "); // No need to localize
		acount = 1;
		sprint(other, "$qc_backpack_cells", ftos(self.ammo_cells));
	}
	
	sprint (other, "\n"); // No need to localize
// backpack touch sound
	sound (other, CHAN_ITEM, "weapons/lock4.wav", 1, ATTN_NORM);
	stuffcmd (other, "bf\n");

// remove the backpack, change self to the player
	remove(self);
	self = other;

// change to the weapon
	if(W_WantsToChangeWeapon(other, old, other.items) == 1)
	{
		if (!deathmatch)
			self.weapon = new;
		else
			Deathmatch_Weapon (old, new);
	}

	W_SetCurrentAmmo ();
};

/*
===============
DropBackpack
===============
*/
void() DropBackpack =
{
	local entity	item;

	// Yoder Sept24 2021 Horde Merge
	// don't drop backpacks in horde mode
	if (horde_ent)
		return; 
	if (!(self.ammo_shells + self.ammo_nails + self.ammo_rockets + self.ammo_cells))
		return;	// nothing in it

	item = spawn();
	item.origin = self.origin - '0 0 24';
	
	item.items = self.weapon;
	if (item.items == IT_AXE)
		item.netname = "$qc_axe";
	else if (item.items == IT_SHOTGUN)
		item.netname = "$qc_shotgun";
	else if (item.items == IT_SUPER_SHOTGUN)
		item.netname = "$qc_double_shotgun";
	else if (item.items == IT_NAILGUN)
		item.netname = "$qc_nailgun";
	else if (item.items == IT_SUPER_NAILGUN)
		item.netname = "$qc_super_nailgun";
	else if (item.items == IT_GRENADE_LAUNCHER)
		item.netname = "$qc_grenade_launcher";
	else if (item.items == IT_ROCKET_LAUNCHER)
		item.netname = "$qc_rocket_launcher";
	else if (item.items == IT_LIGHTNING)
		item.netname = "$qc_thunderbolt";
	else
		item.netname = string_null;

	item.ammo_shells = self.ammo_shells;
	item.ammo_nails = self.ammo_nails;
	item.ammo_rockets = self.ammo_rockets;
	item.ammo_cells = self.ammo_cells;

    // include some ammo in the backpack if the weapon is being given
    if (item.ammo_shells < 5 && (item.items == IT_SHOTGUN || item.items == IT_SUPER_SHOTGUN)) {
        item.ammo_shells = 5;
    }

    if (item.ammo_nails < 20 && (item.items == IT_NAILGUN || item.items == IT_SUPER_NAILGUN)) {
        item.ammo_nails = 20;
    }

    if (item.ammo_rockets < 5 && (item.items == IT_GRENADE_LAUNCHER || item.items == IT_ROCKET_LAUNCHER)) {
        item.ammo_rockets = 5;
    }

    if (item.ammo_cells < 15 && item.items == IT_LIGHTNING) {
        item.ammo_cells = 15;
    }

	item.velocity_z = 300;
	item.velocity_x = -100 + (random() * 200);
	item.velocity_y = -100 + (random() * 200);
	
	item.flags = FL_ITEM;
	item.solid = SOLID_TRIGGER;
	item.movetype = MOVETYPE_TOSS;
	setmodel (item, "progs/backpack.mdl");
	setsize (item, '-16 -16 0', '16 16 56');
	item.touch = BackpackTouch;
	
	item.nextthink = time + 120;	// remove after 2 minutes
	item.think = SUB_Remove;
};