super-coop/source/items.qc

// items.qc: items the player can pick up

string() Key1Name = {
	switch(world.worldtype) {
		case WORLD_MEDIEVAL:
			return "silver key";
		case WORLD_METAL:
			return "silver runekey";
		case WORLD_BASE:
			return "silver keycard";
		default:
			return string_null;
	}
};

string() Key2Name = {
	switch(world.worldtype) {
		case WORLD_MEDIEVAL:
			return "gold key";
		case WORLD_METAL:
			return "gold runekey";
		case WORLD_BASE:
			return "gold keycard";
		default:
			return string_null;
	}
};

/* 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", vtos(self.origin), "\n");
	remove(self);
};



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

plants the object on the floor
============
*/
void() PlaceItem = {
	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 = VEC_ORIGIN;
	self.origin_z = self.origin_z + 6;
	oldz = self.origin_z;
	if(!droptofloor()) {
		dprint("Bonus item fell out of level at ", vtos(self.origin), "\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

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

/*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 & HEALTH_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 & HEALTH_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, VEC_ORIGIN, '32 32 56');
	StartItem();
};


void() health_touch = {
	float amount;

	if(other.classname != "player") {
		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, "You receive ", ftos(self.healamount),  " 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 = 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;
		}
	}

	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 == 1) { // deathmatch 2 is silly old rules
		self.nextthink = time + 20;
		self.think = SUB_regen;
	}
};

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

ARMOR

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

void() armor_touch = {
	float type, value, bit;

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

	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;
	if(deathmatch == 1) {
		self.nextthink = time + 20;
	}
	self.think = SUB_regen;

	sprint(other, "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 = {
	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
=============
*/
void(float old, float new) Deathmatch_Weapon = {
	float or, nr;

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

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

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

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

	if(deathmatch == 2 || coop) {
		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, "You got the ", self.netname, "\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 = other.items | new;

	stemp = self;
	self = other;

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

	W_SetCurrentAmmo();

	self = stemp;

	if(leave) {
		return;
	}

	// remove it in single player, or setup for respawning in deathmatch
	self.model = string_null;
	self.solid = SOLID_NOT;
	if(deathmatch == 1) {
		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 = {
	precache_model("progs/g_shot.mdl");
	setmodel(self, "progs/g_shot.mdl");
	self.weapon = IT_SUPER_SHOTGUN;
	self.netname = WEPNAME_SUPER_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 = WEPNAME_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 = WEPNAME_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 = 3;
	self.netname = WEPNAME_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 = 3;
	self.netname = WEPNAME_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 = 3;
	self.netname = WEPNAME_LIGHTNING;
	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;
	}

	// if the player was using their 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, "You got the ", self.netname, "\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 == 1) {
		self.nextthink = time + 30;
	}
	self.think = SUB_regen;

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

/*QUAKED item_shells(0 .5 .8) (0 0 0) (32 32 32) big
*/
void() item_shells = {
	self.touch = ammo_touch;

	if(self.spawnflags & AMMO_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";
	setsize(self, VEC_ORIGIN, '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 & AMMO_BIG) {
		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, VEC_ORIGIN, '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 & AMMO_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, VEC_ORIGIN, '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 & AMMO_BIG) {
		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, VEC_ORIGIN, '32 32 56');
	StartItem();
};

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

KEYS

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

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

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

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

	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
};


void() key_setsounds = {
	switch(world.worldtype) {
		case WORLD_MEDIEVAL:
			precache_sound("misc/medkey.wav");
			self.noise = "misc/medkey.wav";
			break;
		case WORLD_METAL:
			precache_sound("misc/runekey.wav");
			self.noise = "misc/runekey.wav";
			break;
		case WORLD_BASE:
			precache_sound2("misc/basekey.wav");
			self.noise = "misc/basekey.wav";
			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 = {
	self.netname = Key1Name();
	switch(world.worldtype) {
		case WORLD_MEDIEVAL:
			precache_model("progs/w_s_key.mdl");
			setmodel(self, "progs/w_s_key.mdl");
			break;
		case WORLD_METAL:
			precache_model("progs/m_s_key.mdl");
			setmodel(self, "progs/m_s_key.mdl");
			break;
		case WORLD_BASE:
			precache_model2("progs/b_s_key.mdl");
			setmodel(self, "progs/b_s_key.mdl");
			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 = {
	self.netname = Key2Name();
	switch(world.worldtype) {
		case WORLD_MEDIEVAL:
			precache_model("progs/w_g_key.mdl");
			setmodel(self, "progs/w_g_key.mdl");
			break;
		case WORLD_METAL:
			precache_model("progs/m_g_key.mdl");
			setmodel(self, "progs/m_g_key.mdl");
			break;
		case WORLD_BASE:
			precache_model2("progs/b_g_key.mdl");
			setmodel(self, "progs/b_g_key.mdl");
			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 = {
	entity stemp;
	float best;

	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 = 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 = {
	entity stemp;
	float best;

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

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

	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;
	}

	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;

	// do the apropriate action
	if(self.classname == "item_artifact_envirosuit") {
		other.rad_time = 1;
		other.radsuit_finished = time + 30;
	}

	if(self.classname == "item_artifact_invulnerability") {
		other.invincible_time = 1;
		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;
		other.super_damage_finished = time + 30;
	}

	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.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");
	self.netname = "Quad Damage";
	self.items = IT_QUAD;
	setsize(self, '-16 -16 -24', '16 16 32');
	StartItem();
};



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

PLAYER BACKPACKS

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

void() BackpackTouch = {
	float best, old, new;
	entity stemp;
	float acount;

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

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

	if(self.weapon && (other.items & self.weapon) == 0) {
		acount = 1;
		sprint(other, "the ", self.netname);
	}

	// if the player was using their 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, ", ");
		}
		acount = 1;
		sprint(other, ftos(self.ammo_shells), " shells");
	}
	if(self.ammo_nails) {
		if(acount) {
			sprint(other, ", ");
		}
		acount = 1;
		sprint(other, ftos(self.ammo_nails), " nails");
	}
	if(self.ammo_rockets) {
		if(acount) {
			sprint(other, ", ");
		}
		acount = 1;
		sprint(other, ftos(self.ammo_rockets), " rockets");
	}
	if(self.ammo_cells) {
		if(acount) {
			sprint(other, ", ");
		}
		acount = 1;
		sprint(other, ftos(self.ammo_cells), " cells");
	}
	if(self.items & IT_KEY1) {
		if(acount) {
			sprint(other, ", ");
		}
		acount = 1;
		sprint(other, Key1Name());
	}
	if(self.items & IT_KEY2) {
		if(acount) {
			sprint(other, ", ");
		}
		acount = 1;
		sprint(other, Key2Name());
	}

	sprint(other, "\n");
	// 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(!deathmatch) {
		self.weapon = new;
	} else {
		Deathmatch_Weapon(old, new);
	}

	W_SetCurrentAmmo();
};

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

	item = spawn();
	item.origin = self.origin - '0 0 24';
	item.items = self.weapon | (self.items & (IT_KEY1 | IT_KEY2));
	item.weapon = self.weapon;

	switch(item.weapon) {
		case IT_AXE:
			item.netname = WEPNAME_AXE;
			break;
		case IT_SHOTGUN:
			item.netname = WEPNAME_SHOTGUN;
			break;
		case IT_SUPER_SHOTGUN:
			item.netname = WEPNAME_SUPER_SHOTGUN;
			break;
		case IT_NAILGUN:
			item.netname = WEPNAME_NAILGUN;
			break;
		case IT_SUPER_NAILGUN:
			item.netname = WEPNAME_SUPER_NAILGUN;
			break;
		case IT_GRENADE_LAUNCHER:
			item.netname = WEPNAME_GRENADE_LAUNCHER;
			break;
		case IT_ROCKET_LAUNCHER:
			item.netname = WEPNAME_ROCKET_LAUNCHER;
			break;
		case IT_LIGHTNING:
			item.netname = WEPNAME_LIGHTNING;
			break;
		default:
			item.netname = "";
			break;
	}

	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_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;

	return item;
};