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
	// play respawn sound
	sound (self, CHAN_VOICE, "items/itembk2.wav", 1, ATTN_NORM);
	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);
};

void ()
q_touch =
{
	local string	s;

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

	self.mdl = self.model;

	sound (other, CHAN_VOICE, self.noise, 1, ATTN_NORM);
	stuffcmd (other, "bf\n");
	self.solid = SOLID_NOT;
	other.items |= IT_QUAD;
	self.model = string_null;
	if (deathmatch == 4) {
		other.armortype = 0;
		other.armorvalue = 0;
		other.ammo_cells = 0;
	}

	// do the apropriate action
	other.super_time = 1;
	other.super_damage_finished = self.cnt;

	s = ftos (rint (other.super_damage_finished - time));

	bprint (PRINT_LOW, other.netname);
	if (deathmatch == 4)
		bprint (PRINT_LOW, " recovered an OctaPower with ");
	else 
		bprint (PRINT_LOW, " recovered a Quad with ");
	bprint (PRINT_LOW, s);
	bprint (PRINT_LOW, " seconds remaining!\n");

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

void (float timeleft)
DropQuad =
{
	local entity    item;

	item = spawn ();
	item.origin = self.origin;
	
	item.velocity_x = -100 + (200 * random ());
	item.velocity_y = -100 + (200 * random ());
	item.velocity_z = 300;
	
	item.flags = FL_ITEM;
	item.solid = SOLID_TRIGGER;
	item.movetype = MOVETYPE_TOSS;
	item.effects |= EF_BLUE;
	item.noise = "items/damage.wav";
	setmodel (item, "progs/quaddama.mdl");
	setsize (item, '-16 -16 -24', '16 16 32');
	item.cnt = time + timeleft;
	item.touch = q_touch;
	item.nextthink = time + timeleft;    // remove it with the time left on it
	item.think = SUB_Remove;
};

void ()
r_touch =
{
	local string	s;

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

	self.mdl = self.model;

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

	// do the apropriate action
	other.invisible_time = 1;
	other.invisible_finished = self.cnt;
	s = ftos (rint (other.invisible_finished - time));
	bprint (PRINT_LOW, other.netname);
	bprint (PRINT_LOW, " recovered a Ring with ");
	bprint (PRINT_LOW, s);
	bprint (PRINT_LOW, " seconds remaining!\n");

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

void (float timeleft)
DropRing =
{
	local entity	item;

	item = spawn ();
	item.origin = self.origin;
	
	item.velocity_x = -100 + (200 * random ());
	item.velocity_y = -100 + (200 * random ());
	item.velocity_z = 300;
	
	item.flags = FL_ITEM;
	item.solid = SOLID_TRIGGER;
	item.movetype = MOVETYPE_TOSS;
	item.noise = "items/inv1.wav";
	setmodel (item, "progs/invisibl.mdl");
	setsize (item, '-16 -16 -24', '16 16 32');
	item.cnt = time + timeleft;
	item.touch = r_touch;
	item.nextthink = time + timeleft;    // remove after 30 seconds
	item.think = SUB_Remove;
};

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

// HEALTH BOX =================================================================

float   H_ROTTEN = 1;
float   H_MEGA = 2;
.float  healamount, healtype;

// 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);

	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;
};

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 &= ~IT_SUPERHEALTH;
	
	if (deathmatch != 2) {		// deathmatch 2 is silly old rules
		self.nextthink = time + 20;
		self.think = SUB_regen;
	}
};

void ()
health_touch =
{
	local  string	s;
	
	if (other.classname != "player")
		return;
	if (deathmatch == 4)
		if (other.invincible_time > 0)
			return;

	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, PRINT_LOW, "You receive ");
	s = ftos (self.healamount);
	sprint (other, PRINT_LOW, s);
	sprint (other, PRINT_LOW, " health\n");

	// 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 |= IT_SUPERHEALTH;
		if (deathmatch != 4) {
			self.nextthink = time + 5;
			self.think = item_megahealth_rot;
		}
		self.owner = other;
	} else {
		if (deathmatch != 2) {		// deathmatch 2 is the silly old rules
			self.nextthink = time + 20;
			self.think = SUB_regen;
		}
	}

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

/*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.
*/
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 ();
};

// ARMOR ======================================================================

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

	if (deathmatch == 4)
		if (other.invincible_time > 0)
			return;

	switch (self.classname) {
	case "item_armor1":
		type = 0.3;
		value = 100;
		bit = IT_ARMOR1;
		break;
	case "item_armor2":
		type = 0.6;
		value = 150;
		bit = IT_ARMOR2;
		break;
	case "item_armorInv":
		type = 0.8;
		value = 200;
		bit = IT_ARMOR3;
		break;
	default:
		break;
	}

	if (other.armortype * other.armorvalue >= type * value)
		return;
		
	other.armortype = type;
	other.armorvalue = value;
	other.items &= ~(IT_ARMOR1 | IT_ARMOR2 | IT_ARMOR3);
	other.items += bit;

	self.solid = SOLID_NOT;
	self.model = string_null;
	if (deathmatch != 2)
		self.nextthink = time + 20;
	self.think = SUB_regen;

	sprint (other, PRINT_LOW, "You got armor\n");
	// 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;
	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;
	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;
	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 =
{
	switch (w) {
	case IT_LIGHTNING:
		return 1;
	case IT_ROCKET_LAUNCHER:
		return 2;
	case IT_SUPER_NAILGUN:
		return 3;
	case IT_GRENADE_LAUNCHER:
		return 4;
	case IT_SUPER_SHOTGUN:
		return 5;
	case IT_NAILGUN:
		return 6;
	default:
		return 7;
	}
};

float (float w)
WeaponCode =
{
	switch (w) {
	case IT_SUPER_SHOTGUN:
		return 3;
	case IT_NAILGUN:
		return 4;
	case IT_SUPER_NAILGUN:
		return 5;
	case IT_GRENADE_LAUNCHER:
		return 6;
	case IT_ROCKET_LAUNCHER:
		return 7;
	case IT_LIGHTNING:
		return 8;
	default:
		return 1;
	}
};

/*
=============
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;
};

float () W_BestWeapon;

void ()
weapon_touch =
{
	local float		w_switch, hadammo, leave, best, old, new = 0;
	local entity 	stemp;

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

	if ((stof (infokey (other, "w_switch"))) == 0)
		w_switch = 8;
	else
		w_switch = stof (infokey (other, "w_switch"));

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

	if (deathmatch == 2 || deathmatch == 3 || deathmatch == 5)
		leave = 1;
	else
		leave = 0;

	switch (self.classname) {
	case "weapon_nailgun":
		if (leave && (other.items & IT_NAILGUN) )
			return;
		hadammo = other.ammo_nails;                     
		new = IT_NAILGUN;
		other.ammo_nails = other.ammo_nails + 30;
		break;
	case "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;
		break;
	case "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;
		break;
	case "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;
		break;
	case "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;
		break;
	case "weapon_lightning":
		if (leave && (other.items & IT_LIGHTNING))
			return;
		hadammo = other.ammo_rockets;                   
		new = IT_LIGHTNING;
		other.ammo_cells = other.ammo_cells + 15;
		break;
	default:
		objerror ("weapon_touch: unknown classname");
		break;
	}

	sprint (other, PRINT_LOW, "You got the ");
	sprint (other, PRINT_LOW, self.netname);
	sprint (other, PRINT_LOW, "\n");
	// 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 |= new;
	
	stemp = self;
	self = other;

	if (WeaponCode (new) <= w_switch) {
		if (self.flags & FL_INWATER) {
			if (new != IT_LIGHTNING) {
				Deathmatch_Weapon (old, new);
			}
		} else {
			Deathmatch_Weapon (old, new);
		}
	}

	W_SetCurrentAmmo ();

	self = stemp;

	if (leave)
		return;

	if (deathmatch!=3 || deathmatch !=5) {
	// remove it in single player, or setup for respawning in deathmatch
		self.model = string_null;
		self.solid = SOLID_NOT;
		if (deathmatch != 2)
			self.nextthink = time + 30;
		self.think = SUB_regen;
	}
	activator = other;
	SUB_UseTargets ();			// fire all targets / killtargets
};

/*QUAKED weapon_supershotgun (0 .5 .8) (-16 -16 0) (16 16 32)
*/
void ()
weapon_supershotgun =
{
	if (deathmatch <= 3) {
		precache_model ("progs/g_shot.mdl");
		setmodel (self, "progs/g_shot.mdl");
		self.weapon = IT_SUPER_SHOTGUN;
		self.netname = "Double-barrelled 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 =
{
	if (deathmatch <= 3) {
		precache_model ("progs/g_nail.mdl");
		setmodel (self, "progs/g_nail.mdl");
		self.weapon = IT_NAILGUN;
		self.netname = "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 =
{
	if (deathmatch <= 3) {
		precache_model ("progs/g_nail2.mdl");
		setmodel (self, "progs/g_nail2.mdl");
		self.weapon = IT_SUPER_NAILGUN;
		self.netname = "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 =
{
	if (deathmatch <= 3) {
		precache_model ("progs/g_rock.mdl");
		setmodel (self, "progs/g_rock.mdl");
		self.weapon = 3;
		self.netname = "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 =
{
	if (deathmatch <= 3) {
		precache_model ("progs/g_rock2.mdl");
		setmodel (self, "progs/g_rock2.mdl");
		self.weapon = 3;
		self.netname = "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 =
{
	if (deathmatch <= 3) {
		precache_model ("progs/g_light.mdl");
		setmodel (self, "progs/g_light.mdl");
		self.weapon = 3;
		self.netname = "Thunderbolt";
		self.touch = weapon_touch;
		setsize (self, '-16 -16 0', '16 16 56');
		StartItem ();
	}
};

// AMMO =======================================================================

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

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

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

	switch (self.weapon) {
	case 1:			// shotgun
		if (other.ammo_shells >= 100)
			return;
		other.ammo_shells = other.ammo_shells + self.aflag;
		break;
	case 2:			// spikes
		if (other.ammo_nails >= 200)
			return;
		other.ammo_nails = other.ammo_nails + self.aflag;
		break;
	case 3:			// rockets
		if (other.ammo_rockets >= 100)
			return;
		other.ammo_rockets = other.ammo_rockets + self.aflag;
		break;
	case 4:			// cells
		if (other.ammo_cells >= 100)
			return;
		other.ammo_cells = other.ammo_cells + self.aflag;
		break;
	}

	bound_other_ammo ();

	sprint (other, PRINT_LOW, "You got the ");
	sprint (other, PRINT_LOW, self.netname);
	sprint (other, PRINT_LOW, "\n");

	// 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) {
		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;
	if (deathmatch != 2)
		self.nextthink = time + 30;

	// Xian -- If playing in DM 3.0 mode, halve the time ammo respawns        
	if (deathmatch == 3 || deathmatch == 5)        
		self.nextthink = time + 15;

	self.think = SUB_regen;

	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 =
{
	if (deathmatch == 4)
		return;

	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 = "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 =
{
	if (deathmatch == 4)
		return;

	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 = "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 =
{
	if (deathmatch == 4)
		return;

	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 = "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 =
{
	if (deathmatch == 4)
		return;

	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 = "cells";
	setsize (self, '0 0 0', '32 32 56');
	StartItem ();
};

float WEAPON_SHOTGUN = 1;
float WEAPON_ROCKET = 2;
float WEAPON_SPIKES = 4;
float WEAPON_BIG = 8;

/*QUAKED item_weapon (0 .5 .8) (0 0 0) (32 32 32) shotgun rocket spikes big
DO NOT USE THIS!!!! IT WILL BE REMOVED!
*/
void ()
item_weapon =
{
	self.touch = ammo_touch;

	if (self.spawnflags & WEAPON_SHOTGUN) {
		if (self.spawnflags & WEAPON_BIG) {
			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 = "shells";
	}

	if (self.spawnflags & WEAPON_SPIKES) {
		if (self.spawnflags & WEAPON_BIG) {
			precache_model ("maps/b_nail1.bsp");
			setmodel (self, "maps/b_nail1.bsp");
			self.aflag = 40;
		} else {
			precache_model ("maps/b_nail0.bsp");
			setmodel (self, "maps/b_nail0.bsp");
			self.aflag = 20;
		}
		self.weapon = 2;
		self.netname = "spikes";
	}

	if (self.spawnflags & WEAPON_ROCKET) {
		if (self.spawnflags & WEAPON_BIG) {
			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 = "rockets";
	}

	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, PRINT_LOW, "You got the ");
	sprint (other, PRINT_LOW, self.netname);
	sprint (other, PRINT_LOW, "\n");

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

	self.solid = SOLID_NOT;
	self.model = string_null;

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

void ()
key_setsounds =
{
	switch (world.worldtype) {
	case 0:
		precache_sound ("misc/medkey.wav");
		self.noise = "misc/medkey.wav";
		break;
	case 1:
		precache_sound ("misc/runekey.wav");
		self.noise = "misc/runekey.wav";
		break;
	case 2:
		precache_sound2 ("misc/basekey.wav");
		self.noise = "misc/basekey.wav";
		break;
	default:
		break;
	}
};

/*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 =
{
	switch (world.worldtype) {
	case 0:
		precache_model ("progs/w_s_key.mdl");
		setmodel (self, "progs/w_s_key.mdl");
		self.netname = "silver key";
		break;
	case 1:
		precache_model ("progs/m_s_key.mdl");
		setmodel (self, "progs/m_s_key.mdl");
		self.netname = "silver runekey";
		break;
	case 2:
		precache_model2 ("progs/b_s_key.mdl");
		setmodel (self, "progs/b_s_key.mdl");
		self.netname = "silver keycard";
		break;
	default:
		break;
	}

	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 =
{
	switch (world.worldtype) {
	case 0:
		precache_model ("progs/w_g_key.mdl");
		setmodel (self, "progs/w_g_key.mdl");
		self.netname = "gold key";
		break;
	case 1:
		precache_model ("progs/m_g_key.mdl");
		setmodel (self, "progs/m_g_key.mdl");
		self.netname = "gold runekey";
		break;
	case 2:
		precache_model2 ("progs/b_g_key.mdl");
		setmodel (self, "progs/b_g_key.mdl");
		self.netname = "gold keycard";
		break;
	default:
		break;
	}

	key_setsounds ();
	self.touch = key_touch;
	self.items = IT_KEY2;
	setsize (self, '-16 -16 -24', '16 16 32');
	StartItem ();
};

// END OF LEVEL RUNES =========================================================

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

	centerprint (other, "You got the rune!");

	sound (other, CHAN_ITEM, self.noise, 1, ATTN_NORM);
	stuffcmd (other, "bf\n");
	self.solid = SOLID_NOT;
	self.model = string_null;
	serverflags |= (self.spawnflags & 15);
	self.classname = "";		// so rune doors won't find it
	
	activator = other;
	SUB_UseTargets ();			// fire all targets / killtargets
};

/*QUAKED item_sigil (0 .5 .8) (-16 -16 -24) (16 16 32) E1 E2 E3 E4
End of level sigil, pick up to end episode and return to jrstart.
*/
void ()
item_sigil =
{
	if (!self.spawnflags)
		objerror ("no spawnflags");

	precache_sound ("misc/runekey.wav");
	self.noise = "misc/runekey.wav";

	if (self.spawnflags & 1) {
		precache_model ("progs/end1.mdl");
		setmodel (self, "progs/end1.mdl");
	}
	if (self.spawnflags & 2) {
		precache_model2 ("progs/end2.mdl");
		setmodel (self, "progs/end2.mdl");
	}
	if (self.spawnflags & 4) {
		precache_model2 ("progs/end3.mdl");
		setmodel (self, "progs/end3.mdl");
	}
	if (self.spawnflags & 8) {
		precache_model2 ("progs/end4.mdl");
		setmodel (self, "progs/end4.mdl");
	}

	self.touch = sigil_touch;
	setsize (self, '-16 -16 -24', '16 16 32');
	StartItem ();
};

// POWERUPS ===================================================================

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

	sprint (other, PRINT_LOW, "You got the ");
	sprint (other, PRINT_LOW,  self.netname);
	sprint (other, PRINT_LOW, "\n");

	self.mdl = self.model;
	
	self.think = SUB_regen;

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

	// do the apropriate action
	switch (self.classname) {
	case "item_artifact_envirosuit":
		other.rad_time = 1;
		other.radsuit_finished = time + 30;
		self.nextthink = time + 60;
		break;
	case "item_artifact_invulnerability":
		other.invincible_time = 1;
		other.invincible_finished = time + 30;
		self.nextthink = time + 300;
		break;
	case "item_artifact_invisibility":
		other.invisible_time = 1;
		other.invisible_finished = time + 30;
		self.nextthink = time + 300;
		break;
	case "item_artifact_super_damage":
		if (deathmatch == 4) {
			other.armortype = 0;
			other.armorvalue = 0;
			other.ammo_cells = 0;
		}
		other.super_time = 1;
		other.super_damage_finished = time + 30;
		self.nextthink = time + 60;
		break;
	default:
		self.nextthink = time + 60;
		break;
	}

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

/*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 = "Pentagram of Protection";
	self.effects |= EF_RED;
	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 = "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 = "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");
	if (deathmatch == 4)
		self.netname = "OctaPower";	
	else
		self.netname = "Quad Damage";
	self.items = IT_QUAD;
	self.effects |= EF_BLUE;
	setsize (self, '-16 -16 -24', '16 16 32');
	StartItem ();
};

// PLAYER BACKPACKS ===========================================================

void ()
BackpackTouch =
{
	local entity	stemp;
	local float		acount, b_switch, best, old, new;
	local string	s;

	if (deathmatch == 4)
		if (other.invincible_time > 0)
			return;

	if ((stof (infokey (other, "b_switch"))) == 0)
		b_switch = 8;
	else
		b_switch = stof (infokey (other, "b_switch"));

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

	acount = 0;
	sprint (other, PRINT_LOW, "You get ");

	if (deathmatch == 4) {
		other.health = other.health + 10;
		sprint (other, PRINT_LOW, "10 additional health\n");
		if ((other.health > 250) && (other.health < 300))
			sound (other, CHAN_ITEM, "items/protect3.wav", 1, ATTN_NORM);
		else
			sound (other, CHAN_ITEM, "weapons/lock4.wav", 1, ATTN_NORM);
		stuffcmd (other, "bf\n");
		remove (self);

		if (other.health > 299) {               
			if (other.invincible_time != 1) {                       
				other.invincible_time = 1;
				other.invincible_finished = time + 30;
				other.items |= IT_INVULNERABILITY;

				other.super_time = 1;
				other.super_damage_finished = time + 30;
				other.items |= IT_QUAD;

				other.ammo_cells = 0;

				sound (other, CHAN_VOICE, "boss1/sight1.wav", 1, ATTN_NORM);
				stuffcmd (other, "bf\n");               
				bprint (PRINT_HIGH, other.netname);
				bprint (PRINT_HIGH, " attains bonus powers!!!\n");
			}
		}
		self = other;
		return;
	}
	if (self.items)
		if ((other.items & self.items) == 0) {
			acount = 1;
			sprint (other, PRINT_LOW, "the ");
			sprint (other, PRINT_LOW, self.netname);
		}
 
	// if the player was using his best weapon, change to the new one if better
	stemp = self;
	self = other;
	best = W_BestWeapon ();
	self = stemp;

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

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

	if (self.ammo_shells) {
		if (acount)
			sprint (other, PRINT_LOW, ", ");
		acount = 1;
		s = ftos (self.ammo_shells);
		sprint (other, PRINT_LOW, s);
		sprint (other, PRINT_LOW, " shells");
	}
	if (self.ammo_nails) {
		if (acount)
			sprint (other, PRINT_LOW, ", ");
		acount = 1;
		s = ftos (self.ammo_nails);
		sprint (other, PRINT_LOW, s);
		sprint (other, PRINT_LOW, " nails");
	}
	if (self.ammo_rockets) {
		if (acount)
			sprint (other, PRINT_LOW, ", ");
		acount = 1;
		s = ftos (self.ammo_rockets);
		sprint (other, PRINT_LOW, s);
		sprint (other, PRINT_LOW, " rockets");
	}
	if (self.ammo_cells) {
		if (acount)
			sprint (other, PRINT_LOW, ", ");
		acount = 1;
		s = ftos (self.ammo_cells);
		sprint (other, PRINT_LOW, s);
		sprint (other,PRINT_LOW, " cells");
	}

	if ((deathmatch==3 || deathmatch == 5) &
		((WeaponCode (new) == 6) || (WeaponCode (new) ==7) ) &
		(other.ammo_rockets < 5))
		other.ammo_rockets = 5;

	sprint (other, PRINT_LOW, "\n");

	// backpack touch sound
	sound (other, CHAN_ITEM, "weapons/lock4.wav", 1, ATTN_NORM);
	stuffcmd (other, "bf\n");

	remove (self);
	self = other;

	// change to the weapon

	if (WeaponCode (new) <= b_switch) {
		if (self.flags & FL_INWATER) {
			if (new != IT_LIGHTNING)
				Deathmatch_Weapon (old, new);
		} else {
			Deathmatch_Weapon (old, new);
		}
	}

	W_SetCurrentAmmo ();
};

void ()
DropBackpack =
{
	local entity	item;

	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;
	switch (item.items) {
	case IT_AXE:
		item.netname = "Axe";
		break;
	case IT_SHOTGUN:
		item.netname = "Shotgun";
		break;
	case IT_SUPER_SHOTGUN:
		item.netname = "Double-barrelled Shotgun";
		break;
	case IT_NAILGUN:
		item.netname = "Nailgun";
		break;
	case IT_SUPER_NAILGUN:
		item.netname = "Super Nailgun";
		break;
	case IT_GRENADE_LAUNCHER:
		item.netname = "Grenade Launcher";
		break;
	case IT_ROCKET_LAUNCHER:
		item.netname = "Rocket Launcher";
		break;
	case IT_LIGHTNING:
		item.netname = "Thunderbolt";
		break;
	default:
		item.netname = "";
	}

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

	item.velocity_x = -100 + (200 * random ());
	item.velocity_y = -100 + (200 * random ());
	item.velocity_z = 300;
	
	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;
};