/*==============================================================================
The Weapons Factory - 
Earthquake Grenade Functions
Original code by ??
Modified by Gregg Reno
==============================================================================*/
#include "g_local.h"

void wf_earthquake (edict_t *owner);

static void earthquake_explode (edict_t *ent)

{
	vec3_t          origin;

	if (ent->owner->client)
		PlayerNoise(ent->owner, ent->s.origin, PNOISE_IMPACT);

	if ((int)wfflags->value & WF_NO_EARTHQUAKES)
		safe_cprintf(ent->owner, PRINT_HIGH, "Earthquakes are disabled on this server.\n");
	else
		wf_earthquake (ent);//start the earthquake

	T_RadiusDamage(ent, ent->owner, ent->dmg, NULL, ent->dmg_radius, MOD_WF_EARTHQUAKE);

	VectorMA (ent->s.origin, -0.02, ent->velocity, origin);
	gi.WriteByte (svc_temp_entity);
	if (ent->waterlevel)
	{
		if (ent->groundentity)
			gi.WriteByte (TE_GRENADE_EXPLOSION_WATER);
		else
			gi.WriteByte (TE_ROCKET_EXPLOSION_WATER);
	}
	else
	{
		if (ent->groundentity)
			gi.WriteByte (TE_GRENADE_EXPLOSION);
		else
			gi.WriteByte (TE_ROCKET_EXPLOSION);
	}
	gi.WritePosition (origin);
	gi.multicast (ent->s.origin, MULTICAST_PVS);

	G_FreeEdict (ent);
}

static void earthquake_touch (edict_t *ent, edict_t *other, cplane_t *plane, csurface_t *surf)
{
	if (other == ent->owner)
		return;

	if (surf && (surf->flags & SURF_SKY))
	{
		G_FreeEdict (ent);
		return;
	}

	if (!other->takedamage)
	{
		if (ent->spawnflags & 1)
		{
			if (random() > 0.5)
				gi.sound (ent, CHAN_VOICE, gi.soundindex ("weapons/hgrenb1a.wav"), 1, ATTN_NORM, 0);
			else
				gi.sound (ent, CHAN_VOICE, gi.soundindex ("weapons/hgrenb2a.wav"), 1, ATTN_NORM, 0);
		}
		else
		{
			gi.sound (ent, CHAN_VOICE, gi.soundindex ("weapons/grenlb1b.wav"), 1, ATTN_NORM, 0);
		}
		return;
	}

	//ent->enemy = other;
	earthquake_explode (ent);
}


void fire_earthquake_grenade (edict_t *self, vec3_t start, vec3_t aimdir, int damage, int speed, float timer, float damage_radius)
{
	edict_t	*grenade;
	vec3_t	dir;
	vec3_t	forward, right, up;

	vectoangles (aimdir, dir);
	AngleVectors (dir, forward, right, up);

	grenade = G_Spawn();
	VectorCopy (start, grenade->s.origin);
	VectorScale (aimdir, speed, grenade->velocity);
	VectorMA (grenade->velocity, 200 + crandom() * 10.0, up, grenade->velocity);
	VectorMA (grenade->velocity, crandom() * 10.0, right, grenade->velocity);
	VectorSet (grenade->avelocity, 300, 300, 300);
	grenade->movetype = MOVETYPE_BOUNCE;
	grenade->clipmask = MASK_SHOT;
	grenade->solid = SOLID_BBOX;
	grenade->s.effects |= EF_GRENADE;
	VectorClear (grenade->mins);
	VectorClear (grenade->maxs);
	grenade->s.modelindex = gi.modelindex ("models/objects/grenade2/tris.md2");
	grenade->owner = self;

	grenade->nextthink = level.time + timer;
    grenade->think = earthquake_explode;
	grenade->touch = earthquake_touch;
	grenade->dmg = damage;
	grenade->dmg_radius = damage_radius;
    grenade->classname = "earthquake grenade";
	grenade->spawnflags = 1;
	grenade->s.sound = gi.soundindex("weapons/hgrenc1b.wav");

	//set the team
	grenade->wf_team = self->client->resp.ctf_team;

	if (timer <= 0.0)
                earthquake_explode (grenade);
	else
	{
		gi.sound (self, CHAN_WEAPON, gi.soundindex ("weapons/hgrent1a.wav"), 1, ATTN_NORM, 0);
		gi.linkentity (grenade);
	}


}