m_gunner.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.
 
*/
/*
==============================================================================
 
GUNNER
 
==============================================================================
*/
 
#include "g_local.h"
#include "m_gunner.h"
 
 
static int  sound_pain;
static int  sound_pain2;
static int  sound_death;
static int  sound_idle;
static int  sound_open;
static int  sound_search;
static int  sound_sight;
 
 
void gunner_idlesound (edict_t *self)
{
    gi.sound (self, CHAN_VOICE, sound_idle, 1, ATTN_IDLE, 0);
}
 
void gunner_sight (edict_t *self, edict_t *other)
{
    gi.sound (self, CHAN_VOICE, sound_sight, 1, ATTN_NORM, 0);
}
 
void gunner_search (edict_t *self)
{
    gi.sound (self, CHAN_VOICE, sound_search, 1, ATTN_NORM, 0);
}
 
 
qboolean visible (edict_t *self, edict_t *other);
void GunnerGrenade (edict_t *self);
void GunnerFire (edict_t *self);
void gunner_fire_chain(edict_t *self);
void gunner_refire_chain(edict_t *self);
 
 
void gunner_stand (edict_t *self);
 
mframe_t gunner_frames_fidget [] =
{
    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, gunner_idlesound,
    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,
    ai_stand, 0, NULL
};
mmove_t gunner_move_fidget = {FRAME_stand31, FRAME_stand70, gunner_frames_fidget, gunner_stand};
 
void gunner_fidget (edict_t *self)
{
    if (self->monsterinfo.aiflags & AI_STAND_GROUND)
        return;
    if (random() <= 0.05)
        self->monsterinfo.currentmove = &gunner_move_fidget;
}
 
mframe_t gunner_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, gunner_fidget,
 
    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, gunner_fidget,
 
    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, gunner_fidget
};
mmove_t gunner_move_stand = {FRAME_stand01, FRAME_stand30, gunner_frames_stand, NULL};
 
void gunner_stand (edict_t *self)
{
        self->monsterinfo.currentmove = &gunner_move_stand;
}
 
 
mframe_t gunner_frames_walk [] =
{
    ai_walk, 0, NULL,
    ai_walk, 3, NULL,
    ai_walk, 4, NULL,
    ai_walk, 5, NULL,
    ai_walk, 7, NULL,
    ai_walk, 2, NULL,
    ai_walk, 6, NULL,
    ai_walk, 4, NULL,
    ai_walk, 2, NULL,
    ai_walk, 7, NULL,
    ai_walk, 5, NULL,
    ai_walk, 7, NULL,
    ai_walk, 4, NULL
};
mmove_t gunner_move_walk = {FRAME_walk07, FRAME_walk19, gunner_frames_walk, NULL};
 
void gunner_walk (edict_t *self)
{
    self->monsterinfo.currentmove = &gunner_move_walk;
}
 
mframe_t gunner_frames_run [] =
{
    ai_run, 26, NULL,
    ai_run, 9,  NULL,
    ai_run, 9,  NULL,
    ai_run, 9,  NULL,
    ai_run, 15, NULL,
    ai_run, 10, NULL,
    ai_run, 13, NULL,
    ai_run, 6,  NULL
};
 
mmove_t gunner_move_run = {FRAME_run01, FRAME_run08, gunner_frames_run, NULL};
 
void gunner_run (edict_t *self)
{
    if (self->monsterinfo.aiflags & AI_STAND_GROUND)
        self->monsterinfo.currentmove = &gunner_move_stand;
    else
        self->monsterinfo.currentmove = &gunner_move_run;
}
 
mframe_t gunner_frames_runandshoot [] =
{
    ai_run, 32, NULL,
    ai_run, 15, NULL,
    ai_run, 10, NULL,
    ai_run, 18, NULL,
    ai_run, 8,  NULL,
    ai_run, 20, NULL
};
 
mmove_t gunner_move_runandshoot = {FRAME_runs01, FRAME_runs06, gunner_frames_runandshoot, NULL};
 
void gunner_runandshoot (edict_t *self)
{
    self->monsterinfo.currentmove = &gunner_move_runandshoot;
}
 
mframe_t gunner_frames_pain3 [] =
{
    ai_move, -3, NULL,
    ai_move, 1,  NULL,
    ai_move, 1,  NULL,
    ai_move, 0,  NULL,
    ai_move, 1,  NULL
};
mmove_t gunner_move_pain3 = {FRAME_pain301, FRAME_pain305, gunner_frames_pain3, gunner_run};
 
mframe_t gunner_frames_pain2 [] =
{
    ai_move, -2, NULL,
    ai_move, 11, NULL,
    ai_move, 6,  NULL,
    ai_move, 2,  NULL,
    ai_move, -1, NULL,
    ai_move, -7, NULL,
    ai_move, -2, NULL,
    ai_move, -7, NULL
};
mmove_t gunner_move_pain2 = {FRAME_pain201, FRAME_pain208, gunner_frames_pain2, gunner_run};
 
mframe_t gunner_frames_pain1 [] =
{
    ai_move, 2,  NULL,
    ai_move, 0,  NULL,
    ai_move, -5, NULL,
    ai_move, 3,  NULL,
    ai_move, -1, NULL,
    ai_move, 0,  NULL,
    ai_move, 0,  NULL,
    ai_move, 0,  NULL,
    ai_move, 0,  NULL,
    ai_move, 1,  NULL,
    ai_move, 1,  NULL,
    ai_move, 2,  NULL,
    ai_move, 1,  NULL,
    ai_move, 0,  NULL,
    ai_move, -2, NULL,
    ai_move, -2, NULL,
    ai_move, 0,  NULL,
    ai_move, 0,  NULL
};
mmove_t gunner_move_pain1 = {FRAME_pain101, FRAME_pain118, gunner_frames_pain1, gunner_run};
 
void gunner_pain (edict_t *self, edict_t *other, float kick, int damage)
{
    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 (rand()&1)
        gi.sound (self, CHAN_VOICE, sound_pain, 1, ATTN_NORM, 0);
    else
        gi.sound (self, CHAN_VOICE, sound_pain2, 1, ATTN_NORM, 0);
 
    if (skill->value == 3)
        return;     // no pain anims in nightmare
 
    if (damage <= 10)
        self->monsterinfo.currentmove = &gunner_move_pain3;
    else if (damage <= 25)
        self->monsterinfo.currentmove = &gunner_move_pain2;
    else
        self->monsterinfo.currentmove = &gunner_move_pain1;
}
 
void gunner_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 gunner_frames_death [] =
{
    ai_move, 0,  NULL,
    ai_move, 0,  NULL,
    ai_move, 0,  NULL,
    ai_move, -7, NULL,
    ai_move, -3, NULL,
    ai_move, -5, NULL,
    ai_move, 8,  NULL,
    ai_move, 6,  NULL,
    ai_move, 0,  NULL,
    ai_move, 0,  NULL,
    ai_move, 0,  NULL
};
mmove_t gunner_move_death = {FRAME_death01, FRAME_death11, gunner_frames_death, gunner_dead};
 
void gunner_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 < 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;
    self->monsterinfo.currentmove = &gunner_move_death;
}
 
 
void gunner_duck_down (edict_t *self)
{
    if (self->monsterinfo.aiflags & AI_DUCKED)
        return;
    self->monsterinfo.aiflags |= AI_DUCKED;
    if (skill->value >= 2)
    {
        if (random() > 0.5)
            GunnerGrenade (self);
    }
 
    self->maxs[2] -= 32;
    self->takedamage = DAMAGE_YES;
    self->monsterinfo.pausetime = level.time + 1;
    gi.linkentity (self);
}
 
void gunner_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 gunner_duck_up (edict_t *self)
{
    self->monsterinfo.aiflags &= ~AI_DUCKED;
    self->maxs[2] += 32;
    self->takedamage = DAMAGE_AIM;
    gi.linkentity (self);
}
 
mframe_t gunner_frames_duck [] =
{
    ai_move, 1,  gunner_duck_down,
    ai_move, 1,  NULL,
    ai_move, 1,  gunner_duck_hold,
    ai_move, 0,  NULL,
    ai_move, -1, NULL,
    ai_move, -1, NULL,
    ai_move, 0,  gunner_duck_up,
    ai_move, -1, NULL
};
mmove_t gunner_move_duck = {FRAME_duck01, FRAME_duck08, gunner_frames_duck, gunner_run};
 
void gunner_dodge (edict_t *self, edict_t *attacker, float eta)
{
    if (random() > 0.25)
        return;
 
    if (!self->enemy)
        self->enemy = attacker;
 
    self->monsterinfo.currentmove = &gunner_move_duck;
}
 
 
void gunner_opengun (edict_t *self)
{
    gi.sound (self, CHAN_VOICE, sound_open, 1, ATTN_IDLE, 0);
}
 
void GunnerFire (edict_t *self)
{
    vec3_t  start;
    vec3_t  forward, right;
    vec3_t  target;
    vec3_t  aim;
    int     flash_number;
 
    flash_number = MZ2_GUNNER_MACHINEGUN_1 + (self->s.frame - FRAME_attak216);
 
    AngleVectors (self->s.angles, forward, right, NULL);
    G_ProjectSource (self->s.origin, monster_flash_offset[flash_number], forward, right, start);
 
    // project enemy back a bit and target there
    VectorCopy (self->enemy->s.origin, target);
    VectorMA (target, -0.2, self->enemy->velocity, target);
    target[2] += self->enemy->viewheight;
 
    VectorSubtract (target, start, aim);
    VectorNormalize (aim);
    monster_fire_bullet (self, start, aim, 3, 4, DEFAULT_BULLET_HSPREAD, DEFAULT_BULLET_VSPREAD, flash_number);
}
 
void GunnerGrenade (edict_t *self)
{
    vec3_t  start;
    vec3_t  forward, right;
    vec3_t  aim;
    int     flash_number;
 
    if (self->s.frame == FRAME_attak105)
        flash_number = MZ2_GUNNER_GRENADE_1;
    else if (self->s.frame == FRAME_attak108)
        flash_number = MZ2_GUNNER_GRENADE_2;
    else if (self->s.frame == FRAME_attak111)
        flash_number = MZ2_GUNNER_GRENADE_3;
    else // (self->s.frame == FRAME_attak114)
        flash_number = MZ2_GUNNER_GRENADE_4;
 
    AngleVectors (self->s.angles, forward, right, NULL);
    G_ProjectSource (self->s.origin, monster_flash_offset[flash_number], forward, right, start);
 
    //FIXME : do a spread -225 -75 75 225 degrees around forward
    VectorCopy (forward, aim);
 
    monster_fire_grenade (self, start, aim, 50, 600, flash_number);
}
 
mframe_t gunner_frames_attack_chain [] =
{
    /*
    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, gunner_opengun,
    ai_charge, 0, NULL,
    ai_charge, 0, NULL,
    ai_charge, 0, NULL,
    ai_charge, 0, NULL,
    ai_charge, 0, NULL,
    ai_charge, 0, NULL
};
mmove_t gunner_move_attack_chain = {FRAME_attak209, FRAME_attak215, gunner_frames_attack_chain, gunner_fire_chain};
 
mframe_t gunner_frames_fire_chain [] =
{
    ai_charge,   0, GunnerFire,
    ai_charge,   0, GunnerFire,
    ai_charge,   0, GunnerFire,
    ai_charge,   0, GunnerFire,
    ai_charge,   0, GunnerFire,
    ai_charge,   0, GunnerFire,
    ai_charge,   0, GunnerFire,
    ai_charge,   0, GunnerFire
};
mmove_t gunner_move_fire_chain = {FRAME_attak216, FRAME_attak223, gunner_frames_fire_chain, gunner_refire_chain};
 
mframe_t gunner_frames_endfire_chain [] =
{
    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
};
mmove_t gunner_move_endfire_chain = {FRAME_attak224, FRAME_attak230, gunner_frames_endfire_chain, gunner_run};
 
mframe_t gunner_frames_attack_grenade [] =
{
    ai_charge, 0, NULL,
    ai_charge, 0, NULL,
    ai_charge, 0, NULL,
    ai_charge, 0, NULL,
    ai_charge, 0, GunnerGrenade,
    ai_charge, 0, NULL,
    ai_charge, 0, NULL,
    ai_charge, 0, GunnerGrenade,
    ai_charge, 0, NULL,
    ai_charge, 0, NULL,
    ai_charge, 0, GunnerGrenade,
    ai_charge, 0, NULL,
    ai_charge, 0, NULL,
    ai_charge, 0, GunnerGrenade,
    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
};
mmove_t gunner_move_attack_grenade = {FRAME_attak101, FRAME_attak121, gunner_frames_attack_grenade, gunner_run};
 
void gunner_attack(edict_t *self)
{
    if (range (self, self->enemy) == RANGE_MELEE)
    {
        self->monsterinfo.currentmove = &gunner_move_attack_chain;
    }
    else
    {
        if (random() <= 0.5)
            self->monsterinfo.currentmove = &gunner_move_attack_grenade;
        else
            self->monsterinfo.currentmove = &gunner_move_attack_chain;
    }
}
 
void gunner_fire_chain(edict_t *self)
{
    self->monsterinfo.currentmove = &gunner_move_fire_chain;
}
 
void gunner_refire_chain(edict_t *self)
{
    if (self->enemy->health > 0)
        if ( visible (self, self->enemy) )
            if (random() <= 0.5)
            {
                self->monsterinfo.currentmove = &gunner_move_fire_chain;
                return;
            }
    self->monsterinfo.currentmove = &gunner_move_endfire_chain;
}
 
/*QUAKED monster_gunner (1 .5 0) (-16 -16 -24) (16 16 32) Ambush Trigger_Spawn Sight
*/
void SP_monster_gunner (edict_t *self)
{
    if (deathmatch->value)
    {
        G_FreeEdict (self);
        return;
    }
 
    sound_death = gi.soundindex ("gunner/death1.wav");  
    sound_pain = gi.soundindex ("gunner/gunpain2.wav"); 
    sound_pain2 = gi.soundindex ("gunner/gunpain1.wav");    
    sound_idle = gi.soundindex ("gunner/gunidle1.wav"); 
    sound_open = gi.soundindex ("gunner/gunatck1.wav"); 
    sound_search = gi.soundindex ("gunner/gunsrch1.wav");   
    sound_sight = gi.soundindex ("gunner/sight1.wav");  
 
    gi.soundindex ("gunner/gunatck2.wav");
    gi.soundindex ("gunner/gunatck3.wav");
 
    self->movetype = MOVETYPE_STEP;
    self->solid = SOLID_BBOX;
    self->s.modelindex = gi.modelindex ("models/monsters/gunner/tris.md2");
    VectorSet (self->mins, -16, -16, -24);
    VectorSet (self->maxs, 16, 16, 32);
 
    self->health = 175;
    self->gib_health = -70;
    self->mass = 200;
 
    self->pain = gunner_pain;
    self->die = gunner_die;
 
    self->monsterinfo.stand = gunner_stand;
    self->monsterinfo.walk = gunner_walk;
    self->monsterinfo.run = gunner_run;
    self->monsterinfo.dodge = gunner_dodge;
    self->monsterinfo.attack = gunner_attack;
    self->monsterinfo.melee = NULL;
    self->monsterinfo.sight = gunner_sight;
    self->monsterinfo.search = gunner_search;
 
    gi.linkentity (self);
 
    self->monsterinfo.currentmove = &gunner_move_stand; 
    self->monsterinfo.scale = MODEL_SCALE;
 
    walkmonster_start (self);
}