// weapons.qc: weapon functions

// called by worldspawn
void() W_Precache = {
	precache_sound("weapons/r_exp3.wav"); // new rocket explosion
	precache_sound("weapons/rocket1i.wav"); // spike gun
	precache_sound("weapons/sgun1.wav");
	precache_sound("weapons/guncock.wav"); // player shotgun
	precache_sound("weapons/ric1.wav"); // ricochet(used in c code)
	precache_sound("weapons/ric2.wav"); // ricochet(used in c code)
	precache_sound("weapons/ric3.wav"); // ricochet(used in c code)
	precache_sound("weapons/spike2.wav"); // super spikes
	precache_sound("weapons/tink1.wav"); // spikes tink(used in c code)
	precache_sound("weapons/grenade.wav"); // grenade launcher
	precache_sound("weapons/bounce.wav"); // grenade bounce
	precache_sound("weapons/shotgn2.wav"); // super shotgun
};

/*
================
W_FireAxe
================
*/
void() W_FireAxe = {
	vector source;
	vector org;

	makevectors(self.v_angle);
	source = self.origin + '0 0 16';
	traceline(source, source + v_forward * 64, FALSE, self);
	if(trace_fraction == 1.0) {
		return;
	}

	org = trace_endpos - v_forward * 4;

	if(trace_ent.takedamage) {
		trace_ent.axhitme = 1;
		SpawnBlood(org, VEC_ORIGIN, 20);
		T_Damage(trace_ent, self, self, 20);
	} else {
		// hit wall
		sound(self, CHAN_WEAPON, "player/axhit2.wav", 1, ATTN_NORM);
		WriteByte(MSG_BROADCAST, SVC_TEMPENTITY);
		WriteByte(MSG_BROADCAST, TE_GUNSHOT);
		WriteCoord(MSG_BROADCAST, org_x);
		WriteCoord(MSG_BROADCAST, org_y);
		WriteCoord(MSG_BROADCAST, org_z);
	}
};

//============================================================================

vector() wall_velocity = {
	vector vel;

	vel = normalize(self.velocity);
	vel = normalize(vel + v_up * (random() - 0.5) + v_right * (random() - 0.5));
	vel = vel + 2 * trace_plane_normal;
	vel = vel * 200;

	return vel;
};

/*
================
SpawnMeatSpray
================
*/
void(vector org, vector vel) SpawnMeatSpray = {
	entity missile, mpuff;
	vector org;

	missile = spawn();
	missile.owner = self;
	missile.movetype = MOVETYPE_BOUNCE;
	missile.solid = SOLID_NOT;

	makevectors(self.angles);

	missile.velocity = vel;
	missile.velocity_z = missile.velocity_z + 250 + 50 * random();

	missile.avelocity = '3000 1000 2000';

	// set missile duration
	missile.nextthink = time + 1;
	missile.think = SUB_Remove;

	setmodel(missile, "progs/zom_gib.mdl");
	setsize(missile, VEC_ORIGIN, VEC_ORIGIN);
	setorigin(missile, org);
};

/*
================
SpawnBlood
================
*/
void(vector org, vector vel, float damage) SpawnBlood = {
	particle(org, vel * 0.1, 73, damage * 2);
};

/*
================
spawn_touchblood
================
*/
void(float damage) spawn_touchblood = {
	vector vel;

	vel = wall_velocity() * 0.2;
	SpawnBlood(self.origin + vel * 0.01, vel, damage);
};

/*
================
SpawnChunk
================
*/
void(vector org, vector vel) SpawnChunk = {
	particle(org, vel * 0.02, 0, 10);
};

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

MULTI-DAMAGE

Collects multiple small damages into a single damage

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

void() ClearMultiDamage = {
	multi_ent = world;
	multi_damage = 0;
};

void() ApplyMultiDamage = {
	if(!multi_ent) {
		return;
	}
	T_Damage(multi_ent, self, self, multi_damage);
};

void(entity hit, float damage) AddMultiDamage = {
	if(!hit) {
		return;
	}

	if(hit != multi_ent) {
		ApplyMultiDamage();
		multi_damage = damage;
		multi_ent = hit;
	} else {
		multi_damage = multi_damage + damage;
	}
};

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

BULLETS

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

/*
================
TraceAttack
================
*/
void(float damage, vector dir) TraceAttack = {
	vector vel, org;

	vel = normalize(dir + v_up * crandom() + v_right * crandom());
	vel = vel + 2 * trace_plane_normal;
	vel = vel * 200;

	org = trace_endpos - dir * 4;

	if(trace_ent.takedamage) {
		SpawnBlood(org, vel * 0.2, damage);
		AddMultiDamage(trace_ent, damage);
	} else {
		WriteByte(MSG_BROADCAST, SVC_TEMPENTITY);
		WriteByte(MSG_BROADCAST, TE_GUNSHOT);
		WriteCoord(MSG_BROADCAST, org_x);
		WriteCoord(MSG_BROADCAST, org_y);
		WriteCoord(MSG_BROADCAST, org_z);
	}
};

/*
================
FireBullets

Used by shotgun, super shotgun, and enemy soldier firing
Go to the trouble of combining multiple pellets into a single damage call.
================
*/
void(float shotcount, vector dir, vector spread) FireBullets = {
	vector direction;
	vector src;

	makevectors(self.v_angle);

	src = self.origin + v_forward * 10;
	src_z = self.absmin_z + self.size_z * 0.7;

	ClearMultiDamage();
	while(shotcount > 0) {
		direction = dir + crandom() * spread_x * v_right + crandom() * spread_y * v_up;
		traceline(src, src + direction * 2048, FALSE, self);
		if(trace_fraction != 1.0) {
			TraceAttack(4, direction);
		}
		shotcount = shotcount - 1;
	}
	ApplyMultiDamage();
};

/*
================
W_FireShotgun
================
*/
void() W_FireShotgun = {
	vector dir;

	sound(self, CHAN_WEAPON, "weapons/guncock.wav", 1, ATTN_NORM);

	self.punchangle_x = -2;

	self.currentammo = self.ammo_shells = self.ammo_shells - 1;
	dir = aim(self, 100000);
	FireBullets(6, dir, '0.04 0.04 0');
};

/*
================
W_FireSuperShotgun
================
*/
void() W_FireSuperShotgun = {
	vector dir;

	if(self.currentammo == 1) {
		W_FireShotgun();
		return;
	}

	sound(self, CHAN_WEAPON, "weapons/shotgn2.wav", 1, ATTN_NORM);

	self.punchangle_x = -4;

	self.currentammo = self.ammo_shells = self.ammo_shells - 2;
	dir = aim(self, 100000);
	FireBullets(14, dir, '0.14 0.08 0');
};

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

ROCKETS

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

void() s_explode1 = [0, s_explode2] {};
void() s_explode2 = [1, s_explode3] {};
void() s_explode3 = [2, s_explode4] {};
void() s_explode4 = [3, s_explode5] {};
void() s_explode5 = [4, s_explode6] {};
void() s_explode6 = [5, SUB_Remove] {};

void() BecomeExplosion = {
	self.movetype = MOVETYPE_NONE;
	self.velocity = VEC_ORIGIN;
	self.touch = SUB_Null;
	setmodel(self, "progs/s_explod.spr");
	self.solid = SOLID_NOT;
	s_explode1();
};

void() T_MissileTouch = {
	float damg;

	if(other == self.owner) {
		return; // don't explode on owner
	}

	if(pointcontents(self.origin) == CONTENT_SKY) {
		remove(self);
		return;
	}

	damg = 100 + random() * 20;

	if(other.health) {
		if(other.classname == "monster_shambler") {
			damg = damg * 0.5; // mostly immune
		}
		T_Damage(other, self, self.owner, damg);
	}

	// don't do radius damage to the other, because all the damage
	// was done in the impact
	T_RadiusDamage(self, self.owner, 120, other);

	// sound(self, CHAN_WEAPON, "weapons/r_exp3.wav", 1, ATTN_NORM);
	self.origin = self.origin - 8 * normalize(self.velocity);

	WriteByte(MSG_BROADCAST, SVC_TEMPENTITY);
	WriteByte(MSG_BROADCAST, TE_EXPLOSION);
	WriteCoord(MSG_BROADCAST, self.origin_x);
	WriteCoord(MSG_BROADCAST, self.origin_y);
	WriteCoord(MSG_BROADCAST, self.origin_z);

	BecomeExplosion();
};


/*
================
W_FireRocket
================
*/
void() W_FireRocket = {
	entity missile, mpuff;

	self.currentammo = self.ammo_rockets = self.ammo_rockets - 1;

	sound(self, CHAN_WEAPON, "weapons/sgun1.wav", 1, ATTN_NORM);

	self.punchangle_x = -2;

	missile = spawn();
	missile.owner = self;
	missile.movetype = MOVETYPE_FLYMISSILE;
	missile.solid = SOLID_BBOX;
	missile.classname = "missile";

	// set missile speed

	makevectors(self.v_angle);
	missile.velocity = aim(self, 1000);
	missile.velocity = missile.velocity * 1000;
	missile.angles = vectoangles(missile.velocity);

	missile.touch = T_MissileTouch;

	// set missile duration
	missile.nextthink = time + 5;
	missile.think = SUB_Remove;

	setmodel(missile, "progs/missile.mdl");
	setsize(missile, VEC_ORIGIN, VEC_ORIGIN);
	setorigin(missile, self.origin + v_forward * 8 + '0 0 16');
};

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

LIGHTNING

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

/*
=================
LightningDamage
=================
*/
void(vector p1, vector p2, entity from, float damage) LightningDamage = {
	entity e1, e2;
	vector f;

	f = p2 - p1;
	normalize(f);
	f_x = 0 - f_y;
	f_y = f_x;
	f_z = 0;
	f = f * 16;

	e1 = e2 = world;

	traceline(p1, p2, FALSE, self);
	if(trace_ent.takedamage) {
		particle(trace_endpos, '0 0 100', 225, damage * 4);
		T_Damage(trace_ent, from, from, damage);
		if(self.classname == "player") {
			if(other.classname == "player") {
				trace_ent.velocity_z = trace_ent.velocity_z + 400;
			}
		}
	}
	e1 = trace_ent;

	traceline(p1 + f, p2 + f, FALSE, self);
	if(trace_ent != e1 && trace_ent.takedamage) {
		particle(trace_endpos, '0 0 100', 225, damage * 4);
		T_Damage(trace_ent, from, from, damage);
	}
	e2 = trace_ent;

	traceline(p1 - f, p2 - f, FALSE, self);
	if(trace_ent != e1 && trace_ent != e2 && trace_ent.takedamage) {
		particle(trace_endpos, '0 0 100', 225, damage * 4);
		T_Damage(trace_ent, from, from, damage);
	}
};

void() W_FireLightning = {
	vector org;
	float cells;

	if(self.ammo_cells < 1) {
		self.weapon = W_BestWeapon();
		W_SetCurrentAmmo();
		return;
	}

	// explode if under water
	if(self.waterlevel > 1) {
		cells = self.ammo_cells;
		self.ammo_cells = 0;
		W_SetCurrentAmmo();
		T_RadiusDamage(self, self, 35 * cells, world);
		return;
	}

	if(self.t_width < time) {
		sound(self, CHAN_WEAPON, "weapons/lhit.wav", 1, ATTN_NORM);
		self.t_width = time + 0.6;
	}
	self.punchangle_x = -2;

	self.currentammo = self.ammo_cells = self.ammo_cells - 1;

	org = self.origin + '0 0 16';

	traceline(org, org + v_forward * 600, TRUE, self);

	WriteByte(MSG_BROADCAST, SVC_TEMPENTITY);
	WriteByte(MSG_BROADCAST, TE_LIGHTNING2);
	WriteEntity(MSG_BROADCAST, self);
	WriteCoord(MSG_BROADCAST, org_x);
	WriteCoord(MSG_BROADCAST, org_y);
	WriteCoord(MSG_BROADCAST, org_z);
	WriteCoord(MSG_BROADCAST, trace_endpos_x);
	WriteCoord(MSG_BROADCAST, trace_endpos_y);
	WriteCoord(MSG_BROADCAST, trace_endpos_z);

	LightningDamage(self.origin, trace_endpos + v_forward * 4, self, 30);
};

//=============================================================================

void() GrenadeExplode = {
	T_RadiusDamage(self, self.owner, 120, world);

	WriteByte(MSG_BROADCAST, SVC_TEMPENTITY);
	WriteByte(MSG_BROADCAST, TE_EXPLOSION);
	WriteCoord(MSG_BROADCAST, self.origin_x);
	WriteCoord(MSG_BROADCAST, self.origin_y);
	WriteCoord(MSG_BROADCAST, self.origin_z);

	BecomeExplosion();
};

void() GrenadeTouch = {
	if(other == self.owner) {
		return; // don't explode on owner
	}
	if(other.takedamage == DAMAGE_AIM) {
		GrenadeExplode();
		return;
	}
	sound(self, CHAN_WEAPON, "weapons/bounce.wav", 1, ATTN_NORM); // bounce sound
	if(self.velocity == VEC_ORIGIN) {
		self.avelocity = VEC_ORIGIN;
	}
};

/*
================
W_FireGrenade
================
*/
void() W_FireGrenade = {
	entity missile, mpuff;

	self.currentammo = self.ammo_rockets = self.ammo_rockets - 1;

	sound(self, CHAN_WEAPON, "weapons/grenade.wav", 1, ATTN_NORM);

	self.punchangle_x = -2;

	missile = spawn();
	missile.owner = self;
	missile.movetype = MOVETYPE_BOUNCE;
	missile.solid = SOLID_BBOX;
	missile.classname = "grenade";

	// set missile speed

	makevectors(self.v_angle);

	if(self.v_angle_x) {
		missile.velocity = v_forward * 600 + v_up * 200 + crandom() * v_right * 10 + crandom() * v_up * 10;
	} else {
		missile.velocity = aim(self, 10000);
		missile.velocity = missile.velocity * 600;
		missile.velocity_z = 200;
	}

	missile.avelocity = '300 300 300';

	missile.angles = vectoangles(missile.velocity);

	missile.touch = GrenadeTouch;

	// set missile duration
	missile.nextthink = time + 2.5;
	missile.think = GrenadeExplode;

	setmodel(missile, "progs/grenade.mdl");
	setsize(missile, VEC_ORIGIN, VEC_ORIGIN);
	setorigin(missile, self.origin);
};

//=============================================================================

/*
===============
launch_spike

Used for both the player and the ogre
===============
*/
void(vector org, vector dir) launch_spike = {
	newmis = spawn();
	newmis.owner = self;
	newmis.movetype = MOVETYPE_FLYMISSILE;
	newmis.solid = SOLID_BBOX;

	newmis.angles = vectoangles(dir);

	newmis.touch = spike_touch;
	newmis.classname = "spike";
	newmis.think = SUB_Remove;
	newmis.nextthink = time + 6;
	setmodel(newmis, "progs/spike.mdl");
	setsize(newmis, VEC_ORIGIN, VEC_ORIGIN);
	setorigin(newmis, org);

	newmis.velocity = dir * 1000;
};

void() W_FireSuperSpikes = {
	vector dir;
	entity old;

	sound(self, CHAN_WEAPON, "weapons/spike2.wav", 1, ATTN_NORM);
	self.attack_finished = time + 0.2;
	self.currentammo = self.ammo_nails = self.ammo_nails - 2;
	dir = aim(self, 1000);
	launch_spike(self.origin + '0 0 16', dir);
	newmis.touch = superspike_touch;
	setmodel(newmis, "progs/s_spike.mdl");
	setsize(newmis, VEC_ORIGIN, VEC_ORIGIN);
	self.punchangle_x = -2;
};

void(float ox) W_FireSpikes = {
	vector dir;
	entity old;

	makevectors(self.v_angle);

	if(self.ammo_nails >= 2 && self.weapon == IT_SUPER_NAILGUN) {
		W_FireSuperSpikes();
		return;
	}

	if(self.ammo_nails < 1) {
		self.weapon = W_BestWeapon();
		W_SetCurrentAmmo();
		return;
	}

	sound(self, CHAN_WEAPON, "weapons/rocket1i.wav", 1, ATTN_NORM);
	self.attack_finished = time + 0.2;
	self.currentammo = self.ammo_nails = self.ammo_nails - 1;
	dir = aim(self, 1000);
	launch_spike(self.origin + '0 0 16' + v_right * ox, dir);

	self.punchangle_x = -2;
};

void() spike_touch = {
	float rand;
	if(other == self.owner) {
		return;
	}

	if(other.solid == SOLID_TRIGGER) {
		return; // trigger field, do nothing
	}

	if(pointcontents(self.origin) == CONTENT_SKY) {
		remove(self);
		return;
	}

	// hit something that bleeds
	if(other.takedamage) {
		spawn_touchblood(9);
		T_Damage(other, self, self.owner, 9);
	} else {
		WriteByte(MSG_BROADCAST, SVC_TEMPENTITY);
		if(self.classname == "wizspike") {
			WriteByte(MSG_BROADCAST, TE_WIZSPIKE);
		} else if(self.classname == "knightspike") {
			WriteByte(MSG_BROADCAST, TE_KNIGHTSPIKE);
		} else {
			WriteByte(MSG_BROADCAST, TE_SPIKE);
		}
		WriteCoord(MSG_BROADCAST, self.origin_x);
		WriteCoord(MSG_BROADCAST, self.origin_y);
		WriteCoord(MSG_BROADCAST, self.origin_z);
	}

	remove(self);

};

void() superspike_touch = {
	float rand;
	if(other == self.owner) {
		return;
	}

	if(other.solid == SOLID_TRIGGER) {
		return; // trigger field, do nothing
	}

	if(pointcontents(self.origin) == CONTENT_SKY) {
		remove(self);
		return;
	}

	// hit something that bleeds
	if(other.takedamage) {
		spawn_touchblood(18);
		T_Damage(other, self, self.owner, 18);
	} else {
		WriteByte(MSG_BROADCAST, SVC_TEMPENTITY);
		WriteByte(MSG_BROADCAST, TE_SUPERSPIKE);
		WriteCoord(MSG_BROADCAST, self.origin_x);
		WriteCoord(MSG_BROADCAST, self.origin_y);
		WriteCoord(MSG_BROADCAST, self.origin_z);
	}

	remove(self);

};

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

PLAYER WEAPON USE

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

void() W_SetCurrentAmmo = {
	player_run(); // get out of any weapon firing states

	self.items &= ~(IT_SHELLS | IT_NAILS | IT_ROCKETS | IT_CELLS);

	switch(self.weapon) {
		case IT_AXE:
			self.currentammo = 0;
			self.weaponmodel = "progs/v_axe.mdl";
			self.weaponframe = 0;
			break;
		case IT_SHOTGUN:
			self.currentammo = self.ammo_shells;
			self.weaponmodel = "progs/v_shot.mdl";
			self.weaponframe = 0;
			self.items |= IT_SHELLS;
			break;
		case IT_SUPER_SHOTGUN:
			self.currentammo = self.ammo_shells;
			self.weaponmodel = "progs/v_shot2.mdl";
			self.weaponframe = 0;
			self.items |= IT_SHELLS;
			break;
		case IT_NAILGUN:
			self.currentammo = self.ammo_nails;
			self.weaponmodel = "progs/v_nail.mdl";
			self.weaponframe = 0;
			self.items |= IT_NAILS;
			break;
		case IT_SUPER_NAILGUN:
			self.currentammo = self.ammo_nails;
			self.weaponmodel = "progs/v_nail2.mdl";
			self.weaponframe = 0;
			self.items |= IT_NAILS;
			break;
		case IT_GRENADE_LAUNCHER:
			self.currentammo = self.ammo_rockets;
			self.weaponmodel = "progs/v_rock.mdl";
			self.weaponframe = 0;
			self.items |= IT_ROCKETS;
			break;
		case IT_ROCKET_LAUNCHER:
			self.currentammo = self.ammo_rockets;
			self.weaponmodel = "progs/v_rock2.mdl";
			self.weaponframe = 0;
			self.items |= IT_ROCKETS;
			break;
		case IT_LIGHTNING:
			self.currentammo = self.ammo_cells;
			self.weaponmodel = "progs/v_light.mdl";
			self.weaponframe = 0;
			self.items |= IT_CELLS;
			break;
		default:
			self.currentammo = 0;
			self.weaponmodel = string_null;
			self.weaponframe = 0;
			break;
	}
};

float() W_BestWeapon = {
	float it;

	it = self.items;

	if(self.waterlevel <= 1 && self.ammo_cells >= 1 && (it & IT_LIGHTNING)) {
		return IT_LIGHTNING;
	}
	if(self.ammo_nails >= 2 && (it & IT_SUPER_NAILGUN)) {
		return IT_SUPER_NAILGUN;
	}
	if(self.ammo_shells >= 2 && (it & IT_SUPER_SHOTGUN)) {
		return IT_SUPER_SHOTGUN;
	}
	if(self.ammo_nails >= 1 && (it & IT_NAILGUN)) {
		return IT_NAILGUN;
	}
	if(self.ammo_shells >= 1 && (it & IT_SHOTGUN)) {
		return IT_SHOTGUN;
	}
	return IT_AXE;
};

/*
============
W_Attack

An attack impulse can be triggered now
============
*/
void() W_Attack = {
	float r;

	if(self.currentammo <= 0 && self.weapon != IT_AXE) {
		self.weapon = W_BestWeapon();
		W_SetCurrentAmmo();
		return;
	}

	makevectors(self.v_angle); // calculate forward angle for velocity
	self.show_hostile = time + 1; // wake monsters up

	switch(self.weapon) {
		case IT_AXE:
			sound(self, CHAN_WEAPON, "weapons/ax1.wav", 1, ATTN_NORM);
			r = random();
			if(r < 0.25) {
				player_axe1();
			} else if(r < 0.5) {
				player_axeb1();
			} else if(r < 0.75) {
				player_axec1();
			} else {
				player_axed1();
			}
			self.attack_finished = time + 0.5;
			break;
		case IT_SHOTGUN:
			player_shot1();
			W_FireShotgun();
			self.attack_finished = time + 0.5;
			break;
		case IT_SUPER_SHOTGUN:
			player_shot1();
			W_FireSuperShotgun();
			self.attack_finished = time + 0.7;
			break;
		case IT_NAILGUN:
		case IT_SUPER_NAILGUN:
			player_nail1();
			break;
		case IT_GRENADE_LAUNCHER:
			player_rocket1();
			W_FireGrenade();
			self.attack_finished = time + 0.6;
			break;
		case IT_ROCKET_LAUNCHER:
			player_rocket1();
			W_FireRocket();
			self.attack_finished = time + 0.8;
			break;
		case IT_LIGHTNING:
			player_light1();
			self.attack_finished = time + 0.1;
			sound(self, CHAN_AUTO, "weapons/lstart.wav", 1, ATTN_NORM);
			break;
	}
};

/*
============
W_ChangeWeapon

============
*/
void(float wep) W_ChangeWeapon = {
	float it, am, fl;

	it = self.items;
	am = 0;

	switch(wep) {
		case 1:
			fl = IT_AXE;
			break;
		case 2:
			fl = IT_SHOTGUN;
			if(self.ammo_shells < 1) {
				am = 1;
			}
			break;
		case 3:
			fl = IT_SUPER_SHOTGUN;
			if(self.ammo_shells < 2) {
				am = 1;
			}
			break;
		case 4:
			fl = IT_NAILGUN;
			if(self.ammo_nails < 1) {
				am = 1;
			}
			break;
		case 5:
			fl = IT_SUPER_NAILGUN;
			if(self.ammo_nails < 2) {
				am = 1;
			}
			break;
		case 6:
			fl = IT_GRENADE_LAUNCHER;
			if(self.ammo_rockets < 1) {
				am = 1;
			}
			break;
		case 7:
			fl = IT_ROCKET_LAUNCHER;
			if(self.ammo_rockets < 1) {
				am = 1;
			}
			break;
		case 8:
			fl = IT_LIGHTNING;
			if(self.ammo_cells < 1) {
				am = 1;
			}
			break;
	}

	if(!(self.items & fl)) {
		// don't have the weapon or the ammo
		sprint(self, "no weapon.\n");
		return;
	}

	if(am) {
		// don't have the ammo
		sprint(self, "not enough ammo.\n");
		return;
	}

	// set weapon, set ammo
	self.weapon = fl;
	W_SetCurrentAmmo();
};

/*
============
W_CycleWeapon

Go to the next weapon with ammo
============
*/
void() W_CycleWeapon = {
	float it, am;

	it = self.items;

	for(;;) {
		am = 0;
		switch(self.weapon) {
			case IT_LIGHTNING:
				self.weapon = IT_AXE;
				break;
			case IT_AXE:
				self.weapon = IT_SHOTGUN;
				if(self.ammo_shells < 1) {
					am = 1;
				}
				break;
			case IT_SHOTGUN:
				self.weapon = IT_SUPER_SHOTGUN;
				if(self.ammo_shells < 2) {
					am = 1;
				}
				break;
			case IT_SUPER_SHOTGUN:
				self.weapon = IT_NAILGUN;
				if(self.ammo_nails < 1) {
					am = 1;
				}
				break;
			case IT_NAILGUN:
				self.weapon = IT_SUPER_NAILGUN;
				if(self.ammo_nails < 2) {
					am = 1;
				}
				break;
			case IT_SUPER_NAILGUN:
				self.weapon = IT_GRENADE_LAUNCHER;
				if(self.ammo_rockets < 1) {
					am = 1;
				}
				break;
			case IT_GRENADE_LAUNCHER:
				self.weapon = IT_ROCKET_LAUNCHER;
				if(self.ammo_rockets < 1) {
					am = 1;
				}
				break;
			case IT_ROCKET_LAUNCHER:
				self.weapon = IT_LIGHTNING;
				if(self.ammo_cells < 1) {
					am = 1;
				}
				break;
			default:
				return;
		}
		if((it & self.weapon) && am == 0) {
			W_SetCurrentAmmo();
			return;
		}
	}
};

/*
============
W_CycleWeaponReverse

Go to the prev weapon with ammo
============
*/
void() W_CycleWeaponReverse = {
	float it, am;

	it = self.items;

	for(;;) {
		am = 0;
		switch(self.weapon) {
			case IT_LIGHTNING:
				self.weapon = IT_ROCKET_LAUNCHER;
				if(self.ammo_rockets < 1) {
					am = 1;
				}
				break;
			case IT_ROCKET_LAUNCHER:
				self.weapon = IT_GRENADE_LAUNCHER;
				if(self.ammo_rockets < 1) {
					am = 1;
				}
				break;
			case IT_GRENADE_LAUNCHER:
				self.weapon = IT_SUPER_NAILGUN;
				if(self.ammo_nails < 2) {
					am = 1;
				}
				break;
			case IT_SUPER_NAILGUN:
				self.weapon = IT_NAILGUN;
				if(self.ammo_nails < 1) {
					am = 1;
				}
				break;
			case IT_NAILGUN:
				self.weapon = IT_SUPER_SHOTGUN;
				if(self.ammo_shells < 2) {
					am = 1;
				}
				break;
			case IT_SUPER_SHOTGUN:
				self.weapon = IT_SHOTGUN;
				if(self.ammo_shells < 1) {
					am = 1;
				}
				break;
			case IT_SHOTGUN:
				self.weapon = IT_AXE;
				break;
			case IT_AXE:
				self.weapon = IT_LIGHTNING;
				if(self.ammo_cells < 1) {
					am = 1;
				}
				break;
			default:
				return;
		}
		if((it & self.weapon) && am == 0) {
			W_SetCurrentAmmo();
			return;
		}
	}
};

/*
============
W_WeaponFrame

Called every frame so impulse events can be handled as well as possible
============
*/
void() W_WeaponFrame = {
	// check for attack
	if(self.button0) {
		SuperDamageSound();
		W_Attack();
	}
};

/*
========
SuperDamageSound

Plays sound if needed
========
*/
void() SuperDamageSound = {
	if(self.super_damage_finished > time) {
		if(self.super_sound < time) {
			self.super_sound = time + 1;
			sound(self, CHAN_BODY, "items/damage3.wav", 1, ATTN_NORM);
		}
	}
	return;
};