/*
 * 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.
 *
 */

/*
 *
 * ============================================================================
 * ==
 *
 * TANK
 *
 * ====
 * =========================================================================
 */

#include "g_local.h"
#include "m_tank.h"


void		tank_refire_rocket(edict_t * self);
void		tank_doattack_rocket(edict_t * self);
void		tank_reattack_blaster(edict_t * self);

static int	sound_thud;
static int	sound_pain;
static int	sound_idle;
static int	sound_die;
static int	sound_step;
static int	sound_sight;
static int	sound_windup;
static int	sound_strike;

//
/* misc */
//

void
tank_sight(edict_t * self, edict_t * other)
{
	gi.sound(self, CHAN_VOICE, sound_sight, 1, ATTN_NORM, 0);
}


void
tank_footstep(edict_t * self)
{
	gi.sound(self, CHAN_BODY, sound_step, 1, ATTN_NORM, 0);
}

void
tank_thud(edict_t * self)
{
	gi.sound(self, CHAN_BODY, sound_thud, 1, ATTN_NORM, 0);
}

void
tank_windup(edict_t * self)
{
	gi.sound(self, CHAN_WEAPON, sound_windup, 1, ATTN_NORM, 0);
}

void
tank_idle(edict_t * self)
{
	gi.sound(self, CHAN_VOICE, sound_idle, 1, ATTN_IDLE, 0);
}


//
/* stand */
//

mframe_t tank_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
	}
};
mmove_t		tank_move_stand = {FRAME_stand01, FRAME_stand30, tank_frames_stand, NULL};

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


//
/* walk */
//

void		tank_walk (edict_t * self);

mframe_t	tank_frames_start_walk[] =
{
	{ai_walk, 0, NULL},
	{ai_walk, 6, NULL},
	{ai_walk, 6, NULL},
	{ai_walk, 11, tank_footstep}
};
mmove_t		tank_move_start_walk = {FRAME_walk01, FRAME_walk04, tank_frames_start_walk, tank_walk};

mframe_t	tank_frames_walk[] =
{
	{ai_walk, 4, NULL},
	{ai_walk, 5, NULL},
	{ai_walk, 3, NULL},
	{ai_walk, 2, NULL},
	{ai_walk, 5, NULL},
	{ai_walk, 5, NULL},
	{ai_walk, 4, NULL},
	{ai_walk, 4, tank_footstep},
	{ai_walk, 3, NULL},
	{ai_walk, 5, NULL},
	{ai_walk, 4, NULL},
	{ai_walk, 5, NULL},
	{ai_walk, 7, NULL},
	{ai_walk, 7, NULL},
	{ai_walk, 6, NULL},
	{ai_walk, 6, tank_footstep}
};
mmove_t		tank_move_walk = {FRAME_walk05, FRAME_walk20, tank_frames_walk, NULL};

mframe_t	tank_frames_stop_walk[] =
{
	{ai_walk, 3, NULL},
	{ai_walk, 3, NULL},
	{ai_walk, 2, NULL},
	{ai_walk, 2, NULL},
	{ai_walk, 4, tank_footstep}
};
mmove_t		tank_move_stop_walk = {FRAME_walk21, FRAME_walk25, tank_frames_stop_walk, tank_stand};

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


//
/* run */
//

void		tank_run  (edict_t * self);

mframe_t	tank_frames_start_run[] =
{
	{ai_run, 0, NULL},
	{ai_run, 6, NULL},
	{ai_run, 6, NULL},
	{ai_run, 11, tank_footstep}
};
mmove_t		tank_move_start_run = {FRAME_walk01, FRAME_walk04, tank_frames_start_run, tank_run};

mframe_t	tank_frames_run[] =
{
	{ai_run, 4, NULL},
	{ai_run, 5, NULL},
	{ai_run, 3, NULL},
	{ai_run, 2, NULL},
	{ai_run, 5, NULL},
	{ai_run, 5, NULL},
	{ai_run, 4, NULL},
	{ai_run, 4, tank_footstep},
	{ai_run, 3, NULL},
	{ai_run, 5, NULL},
	{ai_run, 4, NULL},
	{ai_run, 5, NULL},
	{ai_run, 7, NULL},
	{ai_run, 7, NULL},
	{ai_run, 6, NULL},
	{ai_run, 6, tank_footstep}
};
mmove_t		tank_move_run = {FRAME_walk05, FRAME_walk20, tank_frames_run, NULL};

mframe_t	tank_frames_stop_run[] =
{
	{ai_run, 3, NULL},
	{ai_run, 3, NULL},
	{ai_run, 2, NULL},
	{ai_run, 2, NULL},
	{ai_run, 4, tank_footstep}
};
mmove_t		tank_move_stop_run = {FRAME_walk21, FRAME_walk25, tank_frames_stop_run, tank_walk};

void
tank_run(edict_t * self)
{
	if (self->enemy && self->enemy->client)
		self->monsterinfo.aiflags |= AI_BRUTAL;
	else
		self->monsterinfo.aiflags &= ~AI_BRUTAL;

	if (self->monsterinfo.aiflags & AI_STAND_GROUND) {
		self->monsterinfo.currentmove = &tank_move_stand;
		return;
	}
	if (self->monsterinfo.currentmove == &tank_move_walk ||
	    self->monsterinfo.currentmove == &tank_move_start_run) {
		self->monsterinfo.currentmove = &tank_move_run;
	} else {
		self->monsterinfo.currentmove = &tank_move_start_run;
	}
}

//
/* pain */
//

mframe_t tank_frames_pain1[] =
{
	{
		ai_move, 0, NULL
	},
	{
		ai_move, 0, NULL
	},
	{
		ai_move, 0, NULL
	},
	{
		ai_move, 0, NULL
	}
};
mmove_t		tank_move_pain1 = {FRAME_pain101, FRAME_pain104, tank_frames_pain1, tank_run};

mframe_t	tank_frames_pain2[] =
{
	{ai_move, 0, NULL},
	{ai_move, 0, NULL},
	{ai_move, 0, NULL},
	{ai_move, 0, NULL},
	{ai_move, 0, NULL}
};
mmove_t		tank_move_pain2 = {FRAME_pain201, FRAME_pain205, tank_frames_pain2, tank_run};

mframe_t	tank_frames_pain3[] =
{
	{ai_move, -7, NULL},
	{ai_move, 0, NULL},
	{ai_move, 0, NULL},
	{ai_move, 0, NULL},
	{ai_move, 2, NULL},
	{ai_move, 0, NULL},
	{ai_move, 0, NULL},
	{ai_move, 3, NULL},
	{ai_move, 0, NULL},
	{ai_move, 2, NULL},
	{ai_move, 0, NULL},
	{ai_move, 0, NULL},
	{ai_move, 0, NULL},
	{ai_move, 0, NULL},
	{ai_move, 0, NULL},
	{ai_move, 0, tank_footstep}
};
mmove_t		tank_move_pain3 = {FRAME_pain301, FRAME_pain316, tank_frames_pain3, tank_run};


void
tank_pain(edict_t * self, edict_t * other, float kick, int damage)
{
	if (self->health < (self->max_health / 2))
		self->s.skinnum |= 1;

	if (damage <= 10)
		return;

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

	if (damage <= 30)
		if (random() > 0.2)
			return;

	/* If hard or nightmare, don't go into pain while attacking */
	if (skill->value >= 2) {
		if ((self->s.frame >= FRAME_attak301) && (self->s.frame <= FRAME_attak330))
			return;
		if ((self->s.frame >= FRAME_attak101) && (self->s.frame <= FRAME_attak116))
			return;
	}
	self->pain_debounce_time = level.time + 3;
	gi.sound(self, CHAN_VOICE, sound_pain, 1, ATTN_NORM, 0);

	if (skill->value == 3)
		return;		/* no pain anims in nightmare */

	if (damage <= 30)
		self->monsterinfo.currentmove = &tank_move_pain1;
	else if (damage <= 60)
		self->monsterinfo.currentmove = &tank_move_pain2;
	else
		self->monsterinfo.currentmove = &tank_move_pain3;
}


//
/* attacks */
//

void
TankBlaster(edict_t * self)
{
	vec3_t		forward, right;
	vec3_t		start;
	vec3_t		end;
	vec3_t		dir;
	int		flash_number;

	if (self->s.frame == FRAME_attak110)
		flash_number = MZ2_TANK_BLASTER_1;
	else if (self->s.frame == FRAME_attak113)
		flash_number = MZ2_TANK_BLASTER_2;
	else			/* (self->s.frame == FRAME_attak116) */
		flash_number = MZ2_TANK_BLASTER_3;

	AngleVectors(self->s.angles, forward, right, NULL);
	G_ProjectSource(self->s.origin, monster_flash_offset[flash_number], forward, right, start);

	VectorCopy(self->enemy->s.origin, end);
	end[2] += self->enemy->viewheight;
	VectorSubtract(end, start, dir);

	monster_fire_blaster(self, start, dir, 30, 800, flash_number, EF_BLASTER);
}

void
TankStrike(edict_t * self)
{
	gi.sound(self, CHAN_WEAPON, sound_strike, 1, ATTN_NORM, 0);
}

void
TankRocket(edict_t * self)
{
	vec3_t		forward, right;
	vec3_t		start;
	vec3_t		dir;
	vec3_t		vec;
	int		flash_number;

	if (self->s.frame == FRAME_attak324)
		flash_number = MZ2_TANK_ROCKET_1;
	else if (self->s.frame == FRAME_attak327)
		flash_number = MZ2_TANK_ROCKET_2;
	else			/* (self->s.frame == FRAME_attak330) */
		flash_number = MZ2_TANK_ROCKET_3;

	AngleVectors(self->s.angles, forward, right, NULL);
	G_ProjectSource(self->s.origin, monster_flash_offset[flash_number], forward, right, start);

	VectorCopy(self->enemy->s.origin, vec);
	vec[2] += self->enemy->viewheight;
	VectorSubtract(vec, start, dir);
	VectorNormalize(dir);

	monster_fire_rocket(self, start, dir, 50, 550, flash_number);
}

void
TankMachineGun(edict_t * self)
{
	vec3_t		dir;
	vec3_t		vec;
	vec3_t		start;
	vec3_t		forward, right;
	int		flash_number;

	flash_number = MZ2_TANK_MACHINEGUN_1 + (self->s.frame - FRAME_attak406);

	AngleVectors(self->s.angles, forward, right, NULL);
	G_ProjectSource(self->s.origin, monster_flash_offset[flash_number], forward, right, start);

	if (self->enemy) {
		VectorCopy(self->enemy->s.origin, vec);
		vec[2] += self->enemy->viewheight;
		VectorSubtract(vec, start, vec);
		vectoangles(vec, vec);
		dir[0] = vec[0];
	} else {
		dir[0] = 0;
	}
	if (self->s.frame <= FRAME_attak415)
		dir[1] = self->s.angles[1] - 8 * (self->s.frame - FRAME_attak411);
	else
		dir[1] = self->s.angles[1] + 8 * (self->s.frame - FRAME_attak419);
	dir[2] = 0;

	AngleVectors(dir, forward, NULL, NULL);

	monster_fire_bullet(self, start, forward, 20, 4, DEFAULT_BULLET_HSPREAD, DEFAULT_BULLET_VSPREAD, flash_number);
}


mframe_t	tank_frames_attack_blast[] =
{
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, -1, NULL},
	{ai_charge, -2, NULL},
	{ai_charge, -1, NULL},
	{ai_charge, -1, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, 0, TankBlaster},	/* 10 */
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, 0, TankBlaster},
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, 0, TankBlaster}	/* 16 */
};
mmove_t		tank_move_attack_blast = {FRAME_attak101, FRAME_attak116, tank_frames_attack_blast, tank_reattack_blaster};

mframe_t	tank_frames_reattack_blast[] =
{
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, 0, TankBlaster},
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, 0, TankBlaster}	/* 16 */
};
mmove_t		tank_move_reattack_blast = {FRAME_attak111, FRAME_attak116, tank_frames_reattack_blast, tank_reattack_blaster};

mframe_t	tank_frames_attack_post_blast[] =
{
	{ai_move, 0, NULL},	/* 17 */
	{ai_move, 0, NULL},
	{ai_move, 2, NULL},
	{ai_move, 3, NULL},
	{ai_move, 2, NULL},
	{ai_move, -2, tank_footstep}	/* 22 */
};
mmove_t		tank_move_attack_post_blast = {FRAME_attak117, FRAME_attak122, tank_frames_attack_post_blast, tank_run};

void
tank_reattack_blaster(edict_t * self)
{
	if (skill->value >= 2)
		if (visible(self, self->enemy))
			if (self->enemy->health > 0)
				if (random() <= 0.6) {
					self->monsterinfo.currentmove = &tank_move_reattack_blast;
					return;
				}
	self->monsterinfo.currentmove = &tank_move_attack_post_blast;
}


void
tank_poststrike(edict_t * self)
{
	self->enemy = NULL;
	tank_run(self);
}

mframe_t	tank_frames_attack_strike[] =
{
	{ai_move, 3, NULL},
	{ai_move, 2, NULL},
	{ai_move, 2, NULL},
	{ai_move, 1, NULL},
	{ai_move, 6, NULL},
	{ai_move, 7, NULL},
	{ai_move, 9, tank_footstep},
	{ai_move, 2, NULL},
	{ai_move, 1, NULL},
	{ai_move, 2, NULL},
	{ai_move, 2, tank_footstep},
	{ai_move, 2, NULL},
	{ai_move, 0, NULL},
	{ai_move, 0, NULL},
	{ai_move, 0, NULL},
	{ai_move, 0, NULL},
	{ai_move, -2, NULL},
	{ai_move, -2, NULL},
	{ai_move, 0, tank_windup},
	{ai_move, 0, NULL},
	{ai_move, 0, NULL},
	{ai_move, 0, NULL},
	{ai_move, 0, NULL},
	{ai_move, 0, NULL},
	{ai_move, 0, NULL},
	{ai_move, 0, TankStrike},
	{ai_move, 0, NULL},
	{ai_move, -1, NULL},
	{ai_move, -1, NULL},
	{ai_move, -1, NULL},
	{ai_move, -1, NULL},
	{ai_move, -1, NULL},
	{ai_move, -3, NULL},
	{ai_move, -10, NULL},
	{ai_move, -10, NULL},
	{ai_move, -2, NULL},
	{ai_move, -3, NULL},
	{ai_move, -2, tank_footstep}
};
mmove_t		tank_move_attack_strike = {FRAME_attak201, FRAME_attak238, tank_frames_attack_strike, tank_poststrike};

mframe_t	tank_frames_attack_pre_rocket[] =
{
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},	/* 10 */

	{ai_charge, 0, NULL},
	{ai_charge, 1, NULL},
	{ai_charge, 2, NULL},
	{ai_charge, 7, NULL},
	{ai_charge, 7, NULL},
	{ai_charge, 7, tank_footstep},
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},	/* 20 */

	{ai_charge, -3, NULL}
};
mmove_t		tank_move_attack_pre_rocket = {FRAME_attak301, FRAME_attak321, tank_frames_attack_pre_rocket, tank_doattack_rocket};

mframe_t	tank_frames_attack_fire_rocket[] =
{
	{ai_charge, -3, NULL},	/* Loop Start	22  */
	{ai_charge, 0, NULL},
	{ai_charge, 0, TankRocket},	/* 24 */
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, 0, TankRocket},
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, -1, TankRocket}	/* 30	Loop End */
};
mmove_t		tank_move_attack_fire_rocket = {FRAME_attak322, FRAME_attak330, tank_frames_attack_fire_rocket, tank_refire_rocket};

mframe_t	tank_frames_attack_post_rocket[] =
{
	{ai_charge, 0, NULL},	/* 31 */
	{ai_charge, -1, NULL},
	{ai_charge, -1, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, 2, NULL},
	{ai_charge, 3, NULL},
	{ai_charge, 4, NULL},
	{ai_charge, 2, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},	/* 40 */

	{ai_charge, 0, NULL},
	{ai_charge, -9, NULL},
	{ai_charge, -8, NULL},
	{ai_charge, -7, NULL},
	{ai_charge, -1, NULL},
	{ai_charge, -1, tank_footstep},
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},	/* 50 */

	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL}
};
mmove_t		tank_move_attack_post_rocket = {FRAME_attak331, FRAME_attak353, tank_frames_attack_post_rocket, tank_run};

mframe_t	tank_frames_attack_chain[] =
{
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},
	{NULL, 0, TankMachineGun},
	{NULL, 0, TankMachineGun},
	{NULL, 0, TankMachineGun},
	{NULL, 0, TankMachineGun},
	{NULL, 0, TankMachineGun},
	{NULL, 0, TankMachineGun},
	{NULL, 0, TankMachineGun},
	{NULL, 0, TankMachineGun},
	{NULL, 0, TankMachineGun},
	{NULL, 0, TankMachineGun},
	{NULL, 0, TankMachineGun},
	{NULL, 0, TankMachineGun},
	{NULL, 0, TankMachineGun},
	{NULL, 0, TankMachineGun},
	{NULL, 0, TankMachineGun},
	{NULL, 0, TankMachineGun},
	{NULL, 0, TankMachineGun},
	{NULL, 0, TankMachineGun},
	{NULL, 0, TankMachineGun},
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL},
	{ai_charge, 0, NULL}
};
mmove_t		tank_move_attack_chain = {FRAME_attak401, FRAME_attak429, tank_frames_attack_chain, tank_run};

void
tank_refire_rocket(edict_t * self)
{
	/* Only on hard or nightmare */
	if (skill->value >= 2)
		if (self->enemy->health > 0)
			if (visible(self, self->enemy))
				if (random() <= 0.4) {
					self->monsterinfo.currentmove = &tank_move_attack_fire_rocket;
					return;
				}
	self->monsterinfo.currentmove = &tank_move_attack_post_rocket;
}

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

void
tank_attack(edict_t * self)
{
	vec3_t		vec;
	float		range;
	float		r;

	if (self->enemy->health < 0) {
		self->monsterinfo.currentmove = &tank_move_attack_strike;
		self->monsterinfo.aiflags &= ~AI_BRUTAL;
		return;
	}
	VectorSubtract(self->enemy->s.origin, self->s.origin, vec);
	range = VectorLength(vec);

	r = random();

	if (range <= 125) {
		if (r < 0.4)
			self->monsterinfo.currentmove = &tank_move_attack_chain;
		else
			self->monsterinfo.currentmove = &tank_move_attack_blast;
	} else if (range <= 250) {
		if (r < 0.5)
			self->monsterinfo.currentmove = &tank_move_attack_chain;
		else
			self->monsterinfo.currentmove = &tank_move_attack_blast;
	} else {
		if (r < 0.33)
			self->monsterinfo.currentmove = &tank_move_attack_chain;
		else if (r < 0.66) {
			self->monsterinfo.currentmove = &tank_move_attack_pre_rocket;
			self->pain_debounce_time = level.time + 5.0;	/* no pain for a while */
		} else
			self->monsterinfo.currentmove = &tank_move_attack_blast;
	}
}


//
/* death */
//

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

mframe_t	tank_frames_death1[] =
{
	{ai_move, -7, NULL},
	{ai_move, -2, NULL},
	{ai_move, -2, NULL},
	{ai_move, 1, NULL},
	{ai_move, 3, NULL},
	{ai_move, 6, NULL},
	{ai_move, 1, NULL},
	{ai_move, 1, NULL},
	{ai_move, 2, NULL},
	{ai_move, 0, NULL},
	{ai_move, 0, NULL},
	{ai_move, 0, NULL},
	{ai_move, -2, NULL},
	{ai_move, 0, NULL},
	{ai_move, 0, NULL},
	{ai_move, -3, NULL},
	{ai_move, 0, NULL},
	{ai_move, 0, NULL},
	{ai_move, 0, NULL},
	{ai_move, 0, NULL},
	{ai_move, 0, NULL},
	{ai_move, 0, NULL},
	{ai_move, -4, NULL},
	{ai_move, -6, NULL},
	{ai_move, -4, NULL},
	{ai_move, -5, NULL},
	{ai_move, -7, NULL},
	{ai_move, -15, tank_thud},
	{ai_move, -5, NULL},
	{ai_move, 0, NULL},
	{ai_move, 0, NULL},
	{ai_move, 0, NULL}
};
mmove_t		tank_move_death = {FRAME_death101, FRAME_death132, tank_frames_death1, tank_dead};

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

	/* check for gib */
	if (self->health <= self->gib_health) {
		gi.sound(self, CHAN_VOICE, gi.soundindex("misc/udeath.wav"), 1, ATTN_NORM, 0);
		for (n = 0; n < 1 /* 4 */ ; n++)
			ThrowGib(self, "models/objects/gibs/sm_meat/tris.md2", damage, GIB_ORGANIC);
		for (n = 0; n < 4; n++)
			ThrowGib(self, "models/objects/gibs/sm_metal/tris.md2", damage, GIB_METALLIC);
		ThrowGib(self, "models/objects/gibs/chest/tris.md2", damage, GIB_ORGANIC);
		ThrowHead(self, "models/objects/gibs/gear/tris.md2", damage, GIB_METALLIC);
		self->deadflag = DEAD_DEAD;
		return;
	}
	if (self->deadflag == DEAD_DEAD)
		return;

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

	self->monsterinfo.currentmove = &tank_move_death;

}


//
/* monster_tank */
//

/*
 * QUAKED monster_tank (1 .5 0) (-32 -32 -16) (32 32 72) Ambush Trigger_Spawn
 * Sight
 */

/*
 * QUAKED monster_tank_commander (1 .5 0) (-32 -32 -16) (32 32 72) Ambush
 * Trigger_Spawn Sight
 */
void
SP_monster_tank(edict_t * self)
{
	if (deathmatch->value) {
		G_FreeEdict(self);
		return;
	}
	self->s.modelindex = gi.modelindex("models/monsters/tank/tris.md2");
	VectorSet(self->mins, -32, -32, -16);
	VectorSet(self->maxs, 32, 32, 72);
	self->movetype = MOVETYPE_STEP;
	self->solid = SOLID_BBOX;

	sound_pain = gi.soundindex("tank/tnkpain2.wav");
	sound_thud = gi.soundindex("tank/tnkdeth2.wav");
	sound_idle = gi.soundindex("tank/tnkidle1.wav");
	sound_die = gi.soundindex("tank/death.wav");
	sound_step = gi.soundindex("tank/step.wav");
	sound_windup = gi.soundindex("tank/tnkatck4.wav");
	sound_strike = gi.soundindex("tank/tnkatck5.wav");
	sound_sight = gi.soundindex("tank/sight1.wav");

	gi.soundindex("tank/tnkatck1.wav");
	gi.soundindex("tank/tnkatk2a.wav");
	gi.soundindex("tank/tnkatk2b.wav");
	gi.soundindex("tank/tnkatk2c.wav");
	gi.soundindex("tank/tnkatk2d.wav");
	gi.soundindex("tank/tnkatk2e.wav");
	gi.soundindex("tank/tnkatck3.wav");

	if (strcmp(self->classname, "monster_tank_commander") == 0) {
		self->health = 1000;
		self->gib_health = -225;
	} else {
		self->health = 750;
		self->gib_health = -200;
	}

	self->mass = 500;

	self->pain = tank_pain;
	self->die = tank_die;
	self->monsterinfo.stand = tank_stand;
	self->monsterinfo.walk = tank_walk;
	self->monsterinfo.run = tank_run;
	self->monsterinfo.dodge = NULL;
	self->monsterinfo.attack = tank_attack;
	self->monsterinfo.melee = NULL;
	self->monsterinfo.sight = tank_sight;
	self->monsterinfo.idle = tank_idle;

	gi.linkentity(self);

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

	walkmonster_start(self);

	if (strcmp(self->classname, "monster_tank_commander") == 0)
		self->s.skinnum = 2;
}