m_brain.c

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/*
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.
 
*/
/*
==============================================================================
 
brain
 
==============================================================================
*/
 
#include "g_local.h"
#include "m_brain.h"
 
 
static int  sound_chest_open;
static int  sound_tentacles_extend;
static int  sound_tentacles_retract;
static int  sound_death;
static int  sound_idle1;
static int  sound_idle2;
static int  sound_idle3;
static int  sound_pain1;
static int  sound_pain2;
static int  sound_sight;
static int  sound_search;
static int  sound_melee1;
static int  sound_melee2;
static int  sound_melee3;
 
 
void brain_sight (edict_t *self, edict_t *other)
{
    gi.sound (self, CHAN_VOICE, sound_sight, 1, ATTN_NORM, 0);
}
 
void brain_search (edict_t *self)
{
    gi.sound (self, CHAN_VOICE, sound_search, 1, ATTN_NORM, 0);
}
 
 
void brain_run (edict_t *self);
void brain_dead (edict_t *self);
 
 
//
// STAND
//
 
mframe_t brain_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 brain_move_stand = {FRAME_stand01, FRAME_stand30, brain_frames_stand, NULL};
 
void brain_stand (edict_t *self)
{
    self->monsterinfo.currentmove = &brain_move_stand;
}
 
 
//
// IDLE
//
 
mframe_t brain_frames_idle [] =
{
    {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 brain_move_idle = {FRAME_stand31, FRAME_stand60, brain_frames_idle, brain_stand};
 
void brain_idle (edict_t *self)
{
    gi.sound (self, CHAN_AUTO, sound_idle3, 1, ATTN_IDLE, 0);
    self->monsterinfo.currentmove = &brain_move_idle;
}
 
 
//
// WALK
//
mframe_t brain_frames_walk1 [] =
{
    {ai_walk,   7,  NULL},
    {ai_walk,   2,  NULL},
    {ai_walk,   3,  NULL},
    {ai_walk,   3,  NULL},
    {ai_walk,   1,  NULL},
    {ai_walk,   0,  NULL},
    {ai_walk,   0,  NULL},
    {ai_walk,   9,  NULL},
    {ai_walk,   -4, NULL},
    {ai_walk,   -1, NULL},
    {ai_walk,   2,  NULL}
};
mmove_t brain_move_walk1 = {FRAME_walk101, FRAME_walk111, brain_frames_walk1, NULL};
 
// walk2 is FUBAR, do not use
#if 0
void brain_walk2_cycle (edict_t *self)
{
    if (random() > 0.1)
        self->monsterinfo.nextframe = FRAME_walk220;
}
 
mframe_t brain_frames_walk2 [] =
{
    {ai_walk,   3,  NULL},
    {ai_walk,   -2, NULL},
    {ai_walk,   -4, NULL},
    {ai_walk,   -3, NULL},
    {ai_walk,   0,  NULL},
    {ai_walk,   1,  NULL},
    {ai_walk,   12, NULL},
    {ai_walk,   0,  NULL},
    {ai_walk,   -3, NULL},
    {ai_walk,   0,  NULL},
 
    {ai_walk,   -2, NULL},
    {ai_walk,   0,  NULL},
    {ai_walk,   0,  NULL},
    {ai_walk,   1,  NULL},
    {ai_walk,   0,  NULL},
    {ai_walk,   0,  NULL},
    {ai_walk,   0,  NULL},
    {ai_walk,   0,  NULL},
    {ai_walk,   0,  NULL},
    {ai_walk,   10, NULL},      // Cycle Start
 
    {ai_walk,   -1, NULL},
    {ai_walk,   7,  NULL},
    {ai_walk,   0,  NULL},
    {ai_walk,   3,  NULL},
    {ai_walk,   -3, NULL},
    {ai_walk,   2,  NULL},
    {ai_walk,   4,  NULL},
    {ai_walk,   -3, NULL},
    {ai_walk,   2,  NULL},
    {ai_walk,   0,  NULL},
 
    {ai_walk,   4,  brain_walk2_cycle},
    {ai_walk,   -1, NULL},
    {ai_walk,   -1, NULL},
    {ai_walk,   -8, NULL},      
    {ai_walk,   0,  NULL},
    {ai_walk,   1,  NULL},
    {ai_walk,   5,  NULL},
    {ai_walk,   2,  NULL},
    {ai_walk,   -1, NULL},
    {ai_walk,   -5, NULL}
};
mmove_t brain_move_walk2 = {FRAME_walk201, FRAME_walk240, brain_frames_walk2, NULL};
#endif
 
void brain_walk (edict_t *self)
{
//  if (random() <= 0.5)
        self->monsterinfo.currentmove = &brain_move_walk1;
//  else
//      self->monsterinfo.currentmove = &brain_move_walk2;
}
 
 
 
mframe_t brain_frames_defense [] =
{
    {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,  NULL},
    {ai_move,   0,  NULL},
    {ai_move,   0,  NULL}
};
mmove_t brain_move_defense = {FRAME_defens01, FRAME_defens08, brain_frames_defense, NULL};
 
mframe_t brain_frames_pain3 [] =
{
    {ai_move,   -2, NULL},
    {ai_move,   2,  NULL},
    {ai_move,   1,  NULL},
    {ai_move,   3,  NULL},
    {ai_move,   0,  NULL},
    {ai_move,   -4, NULL}
};
mmove_t brain_move_pain3 = {FRAME_pain301, FRAME_pain306, brain_frames_pain3, brain_run};
 
mframe_t brain_frames_pain2 [] =
{
    {ai_move,   -2, NULL},
    {ai_move,   0,  NULL},
    {ai_move,   0,  NULL},
    {ai_move,   0,  NULL},
    {ai_move,   0,  NULL},
    {ai_move,   3,  NULL},
    {ai_move,   1,  NULL},
    {ai_move,   -2, NULL}
};
mmove_t brain_move_pain2 = {FRAME_pain201, FRAME_pain208, brain_frames_pain2, brain_run};
 
mframe_t brain_frames_pain1 [] =
{
    {ai_move,   -6, NULL},
    {ai_move,   -2, NULL},
    {ai_move,   -6, 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,   0,  NULL},
    {ai_move,   0,  NULL},
    {ai_move,   0,  NULL},
    {ai_move,   0,  NULL},
    {ai_move,   2,  NULL},
    {ai_move,   0,  NULL},
    {ai_move,   2,  NULL},
    {ai_move,   1,  NULL},
    {ai_move,   7,  NULL},
    {ai_move,   0,  NULL},
    {ai_move,   3,  NULL},
    {ai_move,   -1, NULL}
};
mmove_t brain_move_pain1 = {FRAME_pain101, FRAME_pain121, brain_frames_pain1, brain_run};
 
 
//
// DUCK
//
 
void brain_duck_down (edict_t *self)
{
    if (self->monsterinfo.aiflags & AI_DUCKED)
        return;
    self->monsterinfo.aiflags |= AI_DUCKED;
    self->maxs[2] -= 32;
    self->takedamage = DAMAGE_YES;
    gi.linkentity (self);
}
 
void brain_duck_hold (edict_t *self)
{
    if (level.time >= self->monsterinfo.pausetime)
        self->monsterinfo.aiflags &= ~AI_HOLD_FRAME;
    else
        self->monsterinfo.aiflags |= AI_HOLD_FRAME;
}
 
void brain_duck_up (edict_t *self)
{
    self->monsterinfo.aiflags &= ~AI_DUCKED;
    self->maxs[2] += 32;
    self->takedamage = DAMAGE_AIM;
    gi.linkentity (self);
}
 
mframe_t brain_frames_duck [] =
{
    {ai_move,   0,  NULL},
    {ai_move,   -2, brain_duck_down},
    {ai_move,   17, brain_duck_hold},
    {ai_move,   -3, NULL},
    {ai_move,   -1, brain_duck_up},
    {ai_move,   -5, NULL},
    {ai_move,   -6, NULL},
    {ai_move,   -6, NULL}
};
mmove_t brain_move_duck = {FRAME_duck01, FRAME_duck08, brain_frames_duck, brain_run};
 
void brain_dodge (edict_t *self, edict_t *attacker, float eta)
{
    if (random() > 0.25)
        return;
 
    if (!self->enemy)
        self->enemy = attacker;
 
    self->monsterinfo.pausetime = level.time + eta + 0.5;
    self->monsterinfo.currentmove = &brain_move_duck;
}
 
 
mframe_t brain_frames_death2 [] =
{
    {ai_move,   0,  NULL},
    {ai_move,   0,  NULL},
    {ai_move,   0,  NULL},
    {ai_move,   9,  NULL},
    {ai_move,   0,  NULL}
};
mmove_t brain_move_death2 = {FRAME_death201, FRAME_death205, brain_frames_death2, brain_dead};
 
mframe_t brain_frames_death1 [] =
{
    {ai_move,   0,  NULL},
    {ai_move,   0,  NULL},
    {ai_move,   -2, NULL},
    {ai_move,   9,  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,   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,  NULL},
    {ai_move,   0,  NULL}
};
mmove_t brain_move_death1 = {FRAME_death101, FRAME_death118, brain_frames_death1, brain_dead};
 
 
//
// MELEE
//
 
void brain_swing_right (edict_t *self)
{
    gi.sound (self, CHAN_BODY, sound_melee1, 1, ATTN_NORM, 0);
}
 
void brain_hit_right (edict_t *self)
{
    vec3_t  aim;
 
    VectorSet (aim, MELEE_DISTANCE, self->maxs[0], 8);
    if (fire_hit (self, aim, (15 + (rand() %5)), 40))
        gi.sound (self, CHAN_WEAPON, sound_melee3, 1, ATTN_NORM, 0);
}
 
void brain_swing_left (edict_t *self)
{
    gi.sound (self, CHAN_BODY, sound_melee2, 1, ATTN_NORM, 0);
}
 
void brain_hit_left (edict_t *self)
{
    vec3_t  aim;
 
    VectorSet (aim, MELEE_DISTANCE, self->mins[0], 8);
    if (fire_hit (self, aim, (15 + (rand() %5)), 40))
        gi.sound (self, CHAN_WEAPON, sound_melee3, 1, ATTN_NORM, 0);
}
 
mframe_t brain_frames_attack1 [] =
{
    {ai_charge, 8,  NULL},
    {ai_charge, 3,  NULL},
    {ai_charge, 5,  NULL},
    {ai_charge, 0,  NULL},
    {ai_charge, -3, brain_swing_right},
    {ai_charge, 0,  NULL},
    {ai_charge, -5, NULL},
    {ai_charge, -7, brain_hit_right},
    {ai_charge, 0,  NULL},
    {ai_charge, 6,  brain_swing_left},
    {ai_charge, 1,  NULL},
    {ai_charge, 2,  brain_hit_left},
    {ai_charge, -3, NULL},
    {ai_charge, 6,  NULL},
    {ai_charge, -1, NULL},
    {ai_charge, -3, NULL},
    {ai_charge, 2,  NULL},
    {ai_charge, -11,NULL}
};
mmove_t brain_move_attack1 = {FRAME_attak101, FRAME_attak118, brain_frames_attack1, brain_run};
 
void brain_chest_open (edict_t *self)
{
    self->spawnflags &= ~65536;
    self->monsterinfo.power_armor_type = POWER_ARMOR_NONE;
    gi.sound (self, CHAN_BODY, sound_chest_open, 1, ATTN_NORM, 0);
}
 
void brain_tentacle_attack (edict_t *self)
{
    vec3_t  aim;
 
    VectorSet (aim, MELEE_DISTANCE, 0, 8);
    if (fire_hit (self, aim, (10 + (rand() %5)), -600) && skill->value > 0)
        self->spawnflags |= 65536;
    gi.sound (self, CHAN_WEAPON, sound_tentacles_retract, 1, ATTN_NORM, 0);
}
 
void brain_chest_closed (edict_t *self)
{
    self->monsterinfo.power_armor_type = POWER_ARMOR_SCREEN;
    if (self->spawnflags & 65536)
    {
        self->spawnflags &= ~65536;
        self->monsterinfo.currentmove = &brain_move_attack1;
    }
}
 
mframe_t brain_frames_attack2 [] =
{
    {ai_charge, 5,  NULL},
    {ai_charge, -4, NULL},
    {ai_charge, -4, NULL},
    {ai_charge, -3, NULL},
    {ai_charge, 0,  brain_chest_open},
    {ai_charge, 0,  NULL},
    {ai_charge, 13, brain_tentacle_attack},
    {ai_charge, 0,  NULL},
    {ai_charge, 2,  NULL},
    {ai_charge, 0,  NULL},
    {ai_charge, -9, brain_chest_closed},
    {ai_charge, 0,  NULL},
    {ai_charge, 4,  NULL},
    {ai_charge, 3,  NULL},
    {ai_charge, 2,  NULL},
    {ai_charge, -3, NULL},
    {ai_charge, -6, NULL}
};
mmove_t brain_move_attack2 = {FRAME_attak201, FRAME_attak217, brain_frames_attack2, brain_run};
 
void brain_melee(edict_t *self)
{
    if (random() <= 0.5)
        self->monsterinfo.currentmove = &brain_move_attack1;
    else
        self->monsterinfo.currentmove = &brain_move_attack2;
}
 
 
//
// RUN
//
 
mframe_t brain_frames_run [] =
{
    {ai_run,    9,  NULL},
    {ai_run,    2,  NULL},
    {ai_run,    3,  NULL},
    {ai_run,    3,  NULL},
    {ai_run,    1,  NULL},
    {ai_run,    0,  NULL},
    {ai_run,    0,  NULL},
    {ai_run,    10, NULL},
    {ai_run,    -4, NULL},
    {ai_run,    -1, NULL},
    {ai_run,    2,  NULL}
};
mmove_t brain_move_run = {FRAME_walk101, FRAME_walk111, brain_frames_run, NULL};
 
void brain_run (edict_t *self)
{
    self->monsterinfo.power_armor_type = POWER_ARMOR_SCREEN;
    if (self->monsterinfo.aiflags & AI_STAND_GROUND)
        self->monsterinfo.currentmove = &brain_move_stand;
    else
        self->monsterinfo.currentmove = &brain_move_run;
}
 
 
void brain_pain (edict_t *self, edict_t *other, float kick, int damage)
{
    float   r;
 
    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;
    if (skill->value == 3)
        return;     // no pain anims in nightmare
 
    r = random();
    if (r < 0.33)
    {
        gi.sound (self, CHAN_VOICE, sound_pain1, 1, ATTN_NORM, 0);
        self->monsterinfo.currentmove = &brain_move_pain1;
    }
    else if (r < 0.66)
    {
        gi.sound (self, CHAN_VOICE, sound_pain2, 1, ATTN_NORM, 0);
        self->monsterinfo.currentmove = &brain_move_pain2;
    }
    else
    {
        gi.sound (self, CHAN_VOICE, sound_pain1, 1, ATTN_NORM, 0);
        self->monsterinfo.currentmove = &brain_move_pain3;
    }
}
 
void brain_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);
}
 
 
 
void brain_die (edict_t *self, edict_t *inflictor, edict_t *attacker, int damage, vec3_t point)
{
    int     n;
 
    self->s.effects = 0;
    self->monsterinfo.power_armor_type = POWER_ARMOR_NONE;
 
// 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 < 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, sound_death, 1, ATTN_NORM, 0);
    self->deadflag = DEAD_DEAD;
    self->takedamage = DAMAGE_YES;
    if (random() <= 0.5)
        self->monsterinfo.currentmove = &brain_move_death1;
    else
        self->monsterinfo.currentmove = &brain_move_death2;
}
 
/*QUAKED monster_brain (1 .5 0) (-16 -16 -24) (16 16 32) Ambush Trigger_Spawn Sight
*/
void SP_monster_brain (edict_t *self)
{
    if (deathmatch->value)
    {
        G_FreeEdict (self);
        return;
    }
 
    sound_chest_open = gi.soundindex ("brain/brnatck1.wav");
    sound_tentacles_extend = gi.soundindex ("brain/brnatck2.wav");
    sound_tentacles_retract = gi.soundindex ("brain/brnatck3.wav");
    sound_death = gi.soundindex ("brain/brndeth1.wav");
    sound_idle1 = gi.soundindex ("brain/brnidle1.wav");
    sound_idle2 = gi.soundindex ("brain/brnidle2.wav");
    sound_idle3 = gi.soundindex ("brain/brnlens1.wav");
    sound_pain1 = gi.soundindex ("brain/brnpain1.wav");
    sound_pain2 = gi.soundindex ("brain/brnpain2.wav");
    sound_sight = gi.soundindex ("brain/brnsght1.wav");
    sound_search = gi.soundindex ("brain/brnsrch1.wav");
    sound_melee1 = gi.soundindex ("brain/melee1.wav");
    sound_melee2 = gi.soundindex ("brain/melee2.wav");
    sound_melee3 = gi.soundindex ("brain/melee3.wav");
 
    self->movetype = MOVETYPE_STEP;
    self->solid = SOLID_BBOX;
    self->s.modelindex = gi.modelindex ("models/monsters/brain/tris.md2");
    VectorSet (self->mins, -16, -16, -24);
    VectorSet (self->maxs, 16, 16, 32);
 
    self->health = 300;
    self->gib_health = -150;
    self->mass = 400;
 
    self->pain = brain_pain;
    self->die = brain_die;
 
    self->monsterinfo.stand = brain_stand;
    self->monsterinfo.walk = brain_walk;
    self->monsterinfo.run = brain_run;
    self->monsterinfo.dodge = brain_dodge;
//  self->monsterinfo.attack = brain_attack;
    self->monsterinfo.melee = brain_melee;
    self->monsterinfo.sight = brain_sight;
    self->monsterinfo.search = brain_search;
    self->monsterinfo.idle = brain_idle;
 
    self->monsterinfo.power_armor_type = POWER_ARMOR_SCREEN;
    self->monsterinfo.power_armor_power = 100;
 
    gi.linkentity (self);
 
    self->monsterinfo.currentmove = &brain_move_stand;  
    self->monsterinfo.scale = MODEL_SCALE;
 
    walkmonster_start (self);
}