/*
 * Copyright (C) 1997-2001 Id Software, Inc.
 *
 * 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.
 *
 */
/* g_actor.c */

#include "g_local.h"
#include "m_actor.h"

#define	MAX_ACTOR_NAMES		8
char           *actor_names[MAX_ACTOR_NAMES] =
{
	"Hellrot",
	"Tokay",
	"Killme",
	"Disruptor",
	"Adrianator",
	"Rambear",
	"Titus",
	"Bitterman"
};


mframe_t	actor_frames_stand[] =
{
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},

	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},

	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},

	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL},
	{ai_stand, 0, NULL}
};
mmove_t		actor_move_stand = {FRAME_stand101, FRAME_stand140, actor_frames_stand, NULL};

void
actor_stand(edict_t * self)
{
	self->monsterinfo.currentmove = &actor_move_stand;

	/* randomize on startup */
	if (level.time < 1.0)
		self->s.frame = self->monsterinfo.currentmove->firstframe + (rand() % (self->monsterinfo.currentmove->lastframe - self->monsterinfo.currentmove->firstframe + 1));
}


mframe_t	actor_frames_walk[] =
{
	{ai_walk, 0, NULL},
	{ai_walk, 6, NULL},
	{ai_walk, 10, NULL},
	{ai_walk, 3, NULL},
	{ai_walk, 2, NULL},
	{ai_walk, 7, NULL},
	{ai_walk, 10, NULL},
	{ai_walk, 1, NULL},
	{ai_walk, 4, NULL},
	{ai_walk, 0, NULL},
	{ai_walk, 0, NULL}
};
mmove_t		actor_move_walk = {FRAME_walk01, FRAME_walk08, actor_frames_walk, NULL};

void
actor_walk(edict_t * self)
{
	self->monsterinfo.currentmove = &actor_move_walk;
}


mframe_t	actor_frames_run[] =
{
	{ai_run, 4, NULL},
	{ai_run, 15, NULL},
	{ai_run, 15, NULL},
	{ai_run, 8, NULL},
	{ai_run, 20, NULL},
	{ai_run, 15, NULL},
	{ai_run, 8, NULL},
	{ai_run, 17, NULL},
	{ai_run, 12, NULL},
	{ai_run, -2, NULL},
	{ai_run, -2, NULL},
	{ai_run, -1, NULL}
};
mmove_t		actor_move_run = {FRAME_run02, FRAME_run07, actor_frames_run, NULL};

void
actor_run(edict_t * self)
{
	if ((level.time < self->pain_debounce_time) && (!self->enemy)) {
		if (self->movetarget)
			actor_walk(self);
		else
			actor_stand(self);
		return;
	}
	if (self->monsterinfo.aiflags & AI_STAND_GROUND) {
		actor_stand(self);
		return;
	}
	self->monsterinfo.currentmove = &actor_move_run;
}


mframe_t	actor_frames_pain1[] =
{
	{ai_move, -5, NULL},
	{ai_move, 4, NULL},
	{ai_move, 1, NULL}
};
mmove_t		actor_move_pain1 = {FRAME_pain101, FRAME_pain103, actor_frames_pain1, actor_run};

mframe_t	actor_frames_pain2[] =
{
	{ai_move, -4, NULL},
	{ai_move, 4, NULL},
	{ai_move, 0, NULL}
};
mmove_t		actor_move_pain2 = {FRAME_pain201, FRAME_pain203, actor_frames_pain2, actor_run};

mframe_t	actor_frames_pain3[] =
{
	{ai_move, -1, NULL},
	{ai_move, 1, NULL},
	{ai_move, 0, NULL}
};
mmove_t		actor_move_pain3 = {FRAME_pain301, FRAME_pain303, actor_frames_pain3, actor_run};

mframe_t	actor_frames_flipoff[] =
{
	{ai_turn, 0, NULL},
	{ai_turn, 0, NULL},
	{ai_turn, 0, NULL},
	{ai_turn, 0, NULL},
	{ai_turn, 0, NULL},
	{ai_turn, 0, NULL},
	{ai_turn, 0, NULL},
	{ai_turn, 0, NULL},
	{ai_turn, 0, NULL},
	{ai_turn, 0, NULL},
	{ai_turn, 0, NULL},
	{ai_turn, 0, NULL},
	{ai_turn, 0, NULL},
	{ai_turn, 0, NULL}
};
mmove_t		actor_move_flipoff = {FRAME_flip01, FRAME_flip14, actor_frames_flipoff, actor_run};

mframe_t	actor_frames_taunt[] =
{
	{ai_turn, 0, NULL},
	{ai_turn, 0, NULL},
	{ai_turn, 0, NULL},
	{ai_turn, 0, NULL},
	{ai_turn, 0, NULL},
	{ai_turn, 0, NULL},
	{ai_turn, 0, NULL},
	{ai_turn, 0, NULL},
	{ai_turn, 0, NULL},
	{ai_turn, 0, NULL},
	{ai_turn, 0, NULL},
	{ai_turn, 0, NULL},
	{ai_turn, 0, NULL},
	{ai_turn, 0, NULL},
	{ai_turn, 0, NULL},
	{ai_turn, 0, NULL},
	{ai_turn, 0, NULL}
};
mmove_t		actor_move_taunt = {FRAME_taunt01, FRAME_taunt17, actor_frames_taunt, actor_run};

char           *messages[] =
{
	"Watch it",
	"#$@*&",
	"Idiot",
	"Check your targets"
};

void
actor_pain(edict_t * self, edict_t * other, float kick, int damage)
{
	int		n;

	if (self->health < (self->max_health / 2))
		self->s.skinnum = 1;

	if (level.time < self->pain_debounce_time)
		return;

	self->pain_debounce_time = level.time + 3;
	/* gi.sound (self, CHAN_VOICE, actor.sound_pain, 1, ATTN_NORM, 0); */

	if ((other->client) && (random() < 0.4)) {
		vec3_t		v;
		char           *name;

		VectorSubtract(other->s.origin, self->s.origin, v);
		self->ideal_yaw = vectoyaw(v);
		if (random() < 0.5)
			self->monsterinfo.currentmove = &actor_move_flipoff;
		else
			self->monsterinfo.currentmove = &actor_move_taunt;
		name = actor_names[(self - g_edicts) % MAX_ACTOR_NAMES];
#ifdef WITH_ACEBOT
		safe_cprintf
#else
		gi.cprintf
#endif
		    (other, PRINT_CHAT, "%s: %s!\n", name, messages[rand() % 3]);
		return;
	}
	n = rand() % 3;
	if (n == 0)
		self->monsterinfo.currentmove = &actor_move_pain1;
	else if (n == 1)
		self->monsterinfo.currentmove = &actor_move_pain2;
	else
		self->monsterinfo.currentmove = &actor_move_pain3;
}


void
actorMachineGun(edict_t * self)
{
	vec3_t		start  , target;
	vec3_t		forward, right;

	AngleVectors(self->s.angles, forward, right, NULL);
	G_ProjectSource(self->s.origin, monster_flash_offset[MZ2_ACTOR_MACHINEGUN_1], forward, right, start);
	if (self->enemy) {
		if (self->enemy->health > 0) {
			VectorMA(self->enemy->s.origin, -0.2, self->enemy->velocity, target);
			target[2] += self->enemy->viewheight;
		} else {
			VectorCopy(self->enemy->absmin, target);
			target[2] += (self->enemy->size[2] / 2);
		}
		VectorSubtract(target, start, forward);
		VectorNormalize(forward);
	} else {
		AngleVectors(self->s.angles, forward, NULL, NULL);
	}
	monster_fire_bullet(self, start, forward, 3, 4, DEFAULT_BULLET_HSPREAD, DEFAULT_BULLET_VSPREAD, MZ2_ACTOR_MACHINEGUN_1);
}


void
actor_dead(edict_t * self)
{
	VectorSet(self->mins, -16, -16, -24);
	VectorSet(self->maxs, 16, 16, -8);
	self->movetype = MOVETYPE_TOSS;
	self->svflags |= SVF_DEADMONSTER;
	self->nextthink = 0;
	gi.linkentity(self);
}

mframe_t	actor_frames_death1[] =
{
	{ai_move, 0, NULL},
	{ai_move, 0, NULL},
	{ai_move, -13, NULL},
	{ai_move, 14, NULL},
	{ai_move, 3, NULL},
	{ai_move, -2, NULL},
	{ai_move, 1, NULL}
};
mmove_t		actor_move_death1 = {FRAME_death101, FRAME_death107, actor_frames_death1, actor_dead};

mframe_t	actor_frames_death2[] =
{
	{ai_move, 0, NULL},
	{ai_move, 7, NULL},
	{ai_move, -6, NULL},
	{ai_move, -5, NULL},
	{ai_move, 1, NULL},
	{ai_move, 0, NULL},
	{ai_move, -1, NULL},
	{ai_move, -2, NULL},
	{ai_move, -1, NULL},
	{ai_move, -9, NULL},
	{ai_move, -13, NULL},
	{ai_move, -13, NULL},
	{ai_move, 0, NULL}
};
mmove_t		actor_move_death2 = {FRAME_death201, FRAME_death213, actor_frames_death2, actor_dead};

void
actor_die(edict_t * self, edict_t * inflictor, edict_t * attacker, int damage, vec3_t point)
{
	int		n;

	/* check for gib */
	if (self->health <= -80) {

		/*
		 * gi.sound (self, CHAN_VOICE, actor.sound_gib, 1, ATTN_NORM,
		 * 0);
		 */
		for (n = 0; n < 2; n++)
			ThrowGib(self, "models/objects/gibs/bone/tris.md2", damage, GIB_ORGANIC);
		for (n = 0; n < 4; n++)
			ThrowGib(self, "models/objects/gibs/sm_meat/tris.md2", damage, GIB_ORGANIC);
		ThrowHead(self, "models/objects/gibs/head2/tris.md2", damage, GIB_ORGANIC);
		self->deadflag = DEAD_DEAD;
		return;
	}
	if (self->deadflag == DEAD_DEAD)
		return;

	/* regular death */
	/* gi.sound (self, CHAN_VOICE, actor.sound_die, 1, ATTN_NORM, 0); */
	self->deadflag = DEAD_DEAD;
	self->takedamage = DAMAGE_YES;

	n = rand() % 2;
	if (n == 0)
		self->monsterinfo.currentmove = &actor_move_death1;
	else
		self->monsterinfo.currentmove = &actor_move_death2;
}


void
actor_fire(edict_t * self)
{
	actorMachineGun(self);

	if (level.time >= self->monsterinfo.pausetime)
		self->monsterinfo.aiflags &= ~AI_HOLD_FRAME;
	else
		self->monsterinfo.aiflags |= AI_HOLD_FRAME;
}

mframe_t	actor_frames_attack[] =
{
	{ai_charge, -2, actor_fire},
	{ai_charge, -2, NULL},
	{ai_charge, 3, NULL},
	{ai_charge, 2, NULL}
};
mmove_t		actor_move_attack = {FRAME_attak01, FRAME_attak04, actor_frames_attack, actor_run};

void
actor_attack(edict_t * self)
{
	int		n;

	self->monsterinfo.currentmove = &actor_move_attack;
	n = (rand() & 15) + 3 + 7;
	self->monsterinfo.pausetime = level.time + n * FRAMETIME;
}


void
actor_use(edict_t * self, edict_t * other, edict_t * activator)
{
	vec3_t		v;

	self->goalentity = self->movetarget = G_PickTarget(self->target);
	if ((!self->movetarget) || (strcmp(self->movetarget->classname, "target_actor") != 0)) {
		gi.dprintf("%s has bad target %s at %s\n", self->classname, self->target, vtos(self->s.origin));
		self->target = NULL;
		self->monsterinfo.pausetime = 100000000;
		self->monsterinfo.stand(self);
		return;
	}
	VectorSubtract(self->goalentity->s.origin, self->s.origin, v);
	self->ideal_yaw = self->s.angles[YAW] = vectoyaw(v);
	self->monsterinfo.walk(self);
	self->target = NULL;
}


/*
 * QUAKED misc_actor (1 .5 0) (-16 -16 -24) (16 16 32)
 */

void
SP_misc_actor(edict_t * self)
{
	if (deathmatch->value) {
		G_FreeEdict(self);
		return;
	}
	if (!self->targetname) {
		gi.dprintf("untargeted %s at %s\n", self->classname, vtos(self->s.origin));
		G_FreeEdict(self);
		return;
	}
	if (!self->target) {
		gi.dprintf("%s with no target at %s\n", self->classname, vtos(self->s.origin));
		G_FreeEdict(self);
		return;
	}
	self->movetype = MOVETYPE_STEP;
	self->solid = SOLID_BBOX;
	self->s.modelindex = gi.modelindex("players/male/tris.md2");
	VectorSet(self->mins, -16, -16, -24);
	VectorSet(self->maxs, 16, 16, 32);

	if (!self->health)
		self->health = 100;
	self->mass = 200;

	self->pain = actor_pain;
	self->die = actor_die;

	self->monsterinfo.stand = actor_stand;
	self->monsterinfo.walk = actor_walk;
	self->monsterinfo.run = actor_run;
	self->monsterinfo.attack = actor_attack;
	self->monsterinfo.melee = NULL;
	self->monsterinfo.sight = NULL;

	self->monsterinfo.aiflags |= AI_GOOD_GUY;

	gi.linkentity(self);

	self->monsterinfo.currentmove = &actor_move_stand;
	self->monsterinfo.scale = MODEL_SCALE;

	walkmonster_start(self);

	/*
	 * actors always start in a dormant state, they *must* be used to get
	 * going
	 */
	self->use = actor_use;
}


/*
 * QUAKED target_actor (.5 .3 0) (-8 -8 -8) (8 8 8) JUMP SHOOT ATTACK x HOLD
 * BRUTAL JUMP			jump in set direction upon reaching this
 * target SHOOT			take a single shot at the pathtarget ATTACK
 * ttack pathtarget until it or actor is dead
 *
 * "target"		next target_actor "pathtarget"	target of any action
 * to be taken at this point "wait"			amount of time actor
 * should pause at this point "message"		actor will "say" this to the
 * player
 *
 * for JUMP only: "speed"			speed thrown forward (default 200)
 * "height"		speed thrown upwards (default 200)
 */

void
target_actor_touch(edict_t * self, edict_t * other, cplane_t * plane, csurface_t * surf)
{
	vec3_t		v;

	if (other->movetarget != self)
		return;

	if (other->enemy)
		return;

	other->goalentity = other->movetarget = NULL;

	if (self->message) {
		int		n;
		edict_t        *ent;

		for (n = 1; n <= game.maxclients; n++) {
			ent = &g_edicts[n];
			if (!ent->inuse)
				continue;
#ifdef WITH_ACEBOT
			safe_cprintf
#else
			gi.cprintf
#endif
			    (ent, PRINT_CHAT, "%s: %s\n", actor_names[(other - g_edicts) % MAX_ACTOR_NAMES], self->message);
		}
	}
	if (self->spawnflags & 1) {	/* jump */
		other->velocity[0] = self->movedir[0] * self->speed;
		other->velocity[1] = self->movedir[1] * self->speed;

		if (other->groundentity) {
			other->groundentity = NULL;
			other->velocity[2] = self->movedir[2];
			gi.sound(other, CHAN_VOICE, gi.soundindex("player/male/jump1.wav"), 1, ATTN_NORM, 0);
		}
	}
	if (self->spawnflags & 2) {	/* shoot */
	} else if (self->spawnflags & 4) {	/* attack */
		other->enemy = G_PickTarget(self->pathtarget);
		if (other->enemy) {
			other->goalentity = other->enemy;
			if (self->spawnflags & 32)
				other->monsterinfo.aiflags |= AI_BRUTAL;
			if (self->spawnflags & 16) {
				other->monsterinfo.aiflags |= AI_STAND_GROUND;
				actor_stand(other);
			} else {
				actor_run(other);
			}
		}
	}
	if (!(self->spawnflags & 6) && (self->pathtarget)) {
		char           *savetarget;

		savetarget = self->target;
		self->target = self->pathtarget;
		G_UseTargets(self, other);
		self->target = savetarget;
	}
	other->movetarget = G_PickTarget(self->target);

	if (!other->goalentity)
		other->goalentity = other->movetarget;

	if (!other->movetarget && !other->enemy) {
		other->monsterinfo.pausetime = level.time + 100000000;
		other->monsterinfo.stand(other);
	} else if (other->movetarget == other->goalentity) {
		VectorSubtract(other->movetarget->s.origin, other->s.origin, v);
		other->ideal_yaw = vectoyaw(v);
	}
}

void
SP_target_actor(edict_t * self)
{
	if (!self->targetname)
		gi.dprintf("%s with no targetname at %s\n", self->classname, vtos(self->s.origin));

	self->solid = SOLID_TRIGGER;
	self->touch = target_actor_touch;
	VectorSet(self->mins, -8, -8, -8);
	VectorSet(self->maxs, 8, 8, 8);
	self->svflags = SVF_NOCLIENT;

	if (self->spawnflags & 1) {
		if (!self->speed)
			self->speed = 200;
		if (!st.height)
			st.height = 200;
		if (self->s.angles[YAW] == 0)
			self->s.angles[YAW] = 360;
		G_SetMovedir(self->s.angles, self->movedir);
		self->movedir[2] = st.height;
	}
	gi.linkentity(self);
}