qcsrc/server/tturrets/units/unit_hk.qc

   1 //#define TURRET_DEBUG_HK
   2
   3 #ifdef TURRET_DEBUG_HK
   4 .float atime;
   5 #endif
   6
   7 void spawnfunc_turret_hk();
   8 void turret_hk_dinit();
   9 void turret_hk_attack();
  10
  11
  12 float hk_is_valid_target(entity e_target)
  13 {
  14     if (e_target == world)
  15         return 0;
  16
  17     // If only this was used more..
  18     if (e_target.flags & FL_NOTARGET)
  19         return 0;
  20
  21     // Cant touch this
  22     if ((e_target.takedamage == DAMAGE_NO) || (e_target.health < 0))
  23         return 0;
  24
  25     // player
  26     if (IS_CLIENT(e_target))
  27     {
  28         if (self.owner.target_select_playerbias < 0)
  29             return 0;
  30
  31         if (e_target.deadflag != DEAD_NO)
  32             return 0;
  33     }
  34
  35     // Missile
  36     if ((e_target.flags & FL_PROJECTILE) && (self.owner.target_select_missilebias < 0))
  37         return 0;
  38
  39     // Team check
  40     if ((e_target.team == self.owner.team) || (self.owner.team == e_target.owner.team))
  41         return 0;
  42
  43     return 1;
  44 }
  45 void turret_hk_missile_think()
  46 {
  47     vector vu, vd, vf, vl, vr, ve;  // Vector (direction)
  48     float  fu, fd, ff, fl, fr, fe;  // Fraction to solid
  49     vector olddir,wishdir,newdir;   // Final direction
  50     float lt_for;   // Length of Trace FORwrad
  51     float lt_seek;  // Length of Trace SEEK (left, right, up down)
  52     float pt_seek;  // Pitch of Trace SEEK (How mutch to angele left, right up, down trace towards v_forward)
  53     vector pre_pos;
  54     float myspeed;
  55     entity e;
  56     float ad,edist;
  57
  58     self.nextthink = time + self.ticrate;
  59
  60     //if (self.cnt < time)
  61     //    turret_hk_missile_explode();
  62
  63     if (self.enemy.deadflag != DEAD_NO)
  64         self.enemy = world;
  65
  66     // Pick the closest valid target.
  67     if (!self.enemy)
  68     {
  69         e = findradius(self.origin, 5000);
  70         while (e)
  71         {
  72             if (hk_is_valid_target(e))
  73             {
  74                 if (!self.enemy)
  75                     self.enemy = e;
  76                 else
  77                     if (vlen(self.origin - e.origin) < vlen(self.origin - self.enemy.origin))
  78                         self.enemy = e;
  79             }
  80             e = e.chain;
  81         }
  82     }
  83
  84     self.angles = vectoangles(self.velocity);
  85     self.angles_x = self.angles_x * -1;
  86     makevectors(self.angles);
  87     self.angles_x = self.angles_x * -1;
  88
  89     if (self.enemy)
  90     {
  91         edist = vlen(self.origin - self.enemy.origin);
  92         // Close enougth to do decent damage?
  93         if ( edist <= (self.owner.shot_radius * 0.25) )
  94         {
  95             turret_projectile_explode();
  96             return;
  97         }
  98
  99         // Get data on enemy position
 100         pre_pos = self.enemy.origin +
 101                   self.enemy.velocity *
 102                   min((vlen(self.enemy.origin - self.origin) / vlen(self.velocity)),0.5);
 103
 104         traceline(self.origin, pre_pos,TRUE,self.enemy);
 105         ve = normalize(pre_pos - self.origin);
 106         fe = trace_fraction;
 107
 108     }
 109     else
 110     {
 111         edist = 0;
 112         ve = '0 0 0';
 113         fe = 0;
 114     }
 115
 116     if ((fe != 1) || (self.enemy == world) || (edist > 1000))
 117     {
 118         myspeed = vlen(self.velocity);
 119
 120         lt_for  = myspeed * 3;
 121         lt_seek = myspeed * 2.95;
 122
 123         // Trace forward
 124         traceline(self.origin, self.origin + v_forward * lt_for,FALSE,self);
 125         vf = trace_endpos;
 126         ff = trace_fraction;
 127
 128         // Find angular offset
 129         ad = vlen(vectoangles(normalize(self.enemy.origin - self.origin)) - self.angles);
 130
 131         // To close to something, Slow down!
 132         if ( ((ff < 0.7) || (ad > 4)) && (myspeed > autocvar_g_turrets_unit_hk_std_shot_speed) )
 133             myspeed = max(myspeed * autocvar_g_turrets_unit_hk_std_shot_speed_decel, autocvar_g_turrets_unit_hk_std_shot_speed);
 134
 135         // Failry clear, accelerate.
 136         if ( (ff > 0.7) && (myspeed < autocvar_g_turrets_unit_hk_std_shot_speed_max) )
 137             myspeed = min(myspeed * autocvar_g_turrets_unit_hk_std_shot_speed_accel, autocvar_g_turrets_unit_hk_std_shot_speed_max);
 138
 139         // Setup trace pitch
 140         pt_seek = 1 - ff;
 141         pt_seek = bound(0.15,pt_seek,0.8);
 142         if (ff < 0.5) pt_seek = 1;
 143
 144         // Trace left
 145         traceline(self.origin, self.origin + (-1 * (v_right * pt_seek) + (v_forward * ff)) * lt_seek,FALSE,self);
 146         vl = trace_endpos;
 147         fl = trace_fraction;
 148
 149         // Trace right
 150         traceline(self.origin,  self.origin + ((v_right * pt_seek) + (v_forward * ff)) * lt_seek ,FALSE,self);
 151         vr = trace_endpos;
 152         fr = trace_fraction;
 153
 154         // Trace up
 155         traceline(self.origin,  self.origin + ((v_up * pt_seek) + (v_forward * ff)) * lt_seek ,FALSE,self);
 156         vu = trace_endpos;
 157         fu = trace_fraction;
 158
 159         // Trace down
 160         traceline(self.origin,  self.origin + (-1 * (v_up * pt_seek) + (v_forward * ff)) * lt_seek ,FALSE,self);
 161         vd = trace_endpos;
 162         fd = trace_fraction;
 163
 164         vl = normalize(vl - self.origin);
 165         vr = normalize(vr - self.origin);
 166         vu = normalize(vu - self.origin);
 167         vd = normalize(vd - self.origin);
 168
 169         // Panic tresh passed, find a single direction and turn as hard as we can
 170         if (pt_seek == 1)
 171         {
 172             wishdir = v_right;
 173             if (fl > fr) wishdir = -1 * v_right;
 174             if (fu > fl) wishdir = v_up;
 175             if (fd > fu) wishdir = -1 * v_up;
 176         }
 177         else
 178         {
 179             // Normalize our trace vectors to make a smooth path
 180             wishdir = normalize( (vl * fl) + (vr * fr) +  (vu * fu) +  (vd * fd) );
 181         }
 182
 183         if (self.enemy)
 184         {
 185             if (fe < 0.1) fe = 0.1; // Make sure we always try to move sligtly towards our target
 186             wishdir = (wishdir * (1 - fe)) + (ve * fe);
 187         }
 188     }
 189     else
 190     {
 191         // Got a clear path to target, speed up fast (if not at full speed) and go straight for it.
 192         myspeed = vlen(self.velocity);
 193         if (myspeed < autocvar_g_turrets_unit_hk_std_shot_speed_max)
 194             myspeed = min(myspeed * autocvar_g_turrets_unit_hk_std_shot_speed_accel2,autocvar_g_turrets_unit_hk_std_shot_speed_max);
 195
 196         wishdir = ve;
 197     }
 198
 199     if ((myspeed > autocvar_g_turrets_unit_hk_std_shot_speed) && (self.cnt > time))
 200         myspeed = min(myspeed * autocvar_g_turrets_unit_hk_std_shot_speed_accel2,autocvar_g_turrets_unit_hk_std_shot_speed_max);
 201
 202     // Ranoutagazfish?
 203     if (self.cnt < time)
 204     {
 205         self.cnt = time + 0.25;
 206         self.nextthink = 0;
 207         self.movetype         = MOVETYPE_BOUNCE;
 208         return;
 209     }
 210
 211     // Calculate new heading
 212     olddir = normalize(self.velocity);
 213     newdir = normalize(olddir + wishdir * autocvar_g_turrets_unit_hk_std_shot_speed_turnrate);
 214
 215     // Set heading & speed
 216     self.velocity = newdir * myspeed;
 217
 218     // Align model with new heading
 219     self.angles = vectoangles(self.velocity);
 220
 221
 222 #ifdef TURRET_DEBUG_HK
 223     //if(self.atime < time) {
 224     if ((fe <= 0.99)||(edist > 1000))
 225     {
 226         te_lightning2(world,self.origin, self.origin + vr * lt_seek);
 227         te_lightning2(world,self.origin, self.origin + vl * lt_seek);
 228         te_lightning2(world,self.origin, self.origin + vu * lt_seek);
 229         te_lightning2(world,self.origin, self.origin + vd * lt_seek);
 230         te_lightning2(world,self.origin, vf);
 231     }
 232     else
 233     {
 234         te_lightning2(world,self.origin, self.enemy.origin);
 235     }
 236     bprint("Speed: ", ftos(rint(myspeed)), "\n");
 237     bprint("Trace to solid: ", ftos(rint(ff * 100)), "%\n");
 238     bprint("Trace to target:", ftos(rint(fe * 100)), "%\n");
 239     self.atime = time + 0.2;
 240     //}
 241 #endif
 242
 243         UpdateCSQCProjectile(self);
 244 }
 245
 246 void turret_hk_attack()
 247 {
 248     entity missile;
 249
 250     missile = turret_projectile("weapons/rocket_fire.wav", 6, 10, DEATH_TURRET_HK, PROJECTILE_ROCKET, FALSE, FALSE);
 251     te_explosion (missile.origin);
 252
 253     missile.think            = turret_hk_missile_think;
 254     missile.nextthink        = time + 0.25;
 255     missile.movetype         = MOVETYPE_BOUNCEMISSILE;
 256     missile.velocity         = self.tur_shotdir_updated * (self.shot_speed * 0.75);
 257     missile.angles           = vectoangles(missile.velocity);
 258     missile.cnt              = time + 30;
 259     missile.ticrate          = max(autocvar_sys_ticrate, 0.05);
 260     missile.missile_flags = MIF_SPLASH | MIF_PROXY | MIF_GUIDED_AI;
 261
 262     if (self.tur_head.frame == 0)
 263         self.tur_head.frame = self.tur_head.frame + 1;
 264
 265 }
 266
 267 void turret_hk_postthink()
 268 {
 269     if (self.tur_head.frame != 0)
 270         self.tur_head.frame = self.tur_head.frame + 1;
 271
 272     if (self.tur_head.frame > 5)
 273         self.tur_head.frame = 0;
 274 }
 275
 276 float turret_hk_addtarget(entity e_target,entity e_sender)
 277 {
 278     if (e_target)
 279     {
 280         if (turret_validate_target(self,e_target,self.target_validate_flags) > 0)
 281         {
 282             self.enemy = e_target;
 283             return 1;
 284         }
 285     }
 286
 287     return 0;
 288 }
 289
 290 void turret_hk_dinit()
 291 {
 292     if (self.netname == "")
 293         self.netname  = "Hunter-killer turret";
 294
 295     self.turrcaps_flags = TFL_TURRCAPS_RADIUSDMG | TFL_TURRCAPS_MEDPROJ | TFL_TURRCAPS_PLAYERKILL | TFL_TURRCAPS_RECIVETARGETS;
 296     self.ammo_flags = TFL_AMMO_ROCKETS | TFL_AMMO_RECHARGE;
 297     self.aim_flags = TFL_AIM_SIMPLE;
 298     self.target_select_flags = TFL_TARGETSELECT_LOS | TFL_TARGETSELECT_PLAYERS | TFL_TARGETSELECT_TRIGGERTARGET | TFL_TARGETSELECT_RANGELIMTS | TFL_TARGETSELECT_TEAMCHECK;
 299     self.firecheck_flags = TFL_FIRECHECK_DEAD | TFL_FIRECHECK_TEAMCECK  | TFL_FIRECHECK_REFIRE | TFL_FIRECHECK_AFF;
 300     self.shoot_flags = TFL_SHOOT_CLEARTARGET;
 301
 302     if (turret_stdproc_init("hk_std", "models/turrets/base.md3", "models/turrets/hk.md3", TID_HK) == 0)
 303     {
 304         remove(self);
 305         return;
 306     }
 307
 308     self.target_validate_flags = TFL_TARGETSELECT_PLAYERS | TFL_TARGETSELECT_TEAMCHECK;
 309
 310     // Our fire routine
 311     self.turret_firefunc  = turret_hk_attack;
 312
 313     // re-color badge & handle recoil effect
 314     self.turret_postthink = turret_hk_postthink;
 315
 316     // What to do when reciveing foreign target data
 317     self.turret_addtarget = turret_hk_addtarget;
 318 }
 319
 320
 321 /*QUAKED turret_hk (0 .5 .8) ?
 322 * Turret that fires Hunter-killer missiles.
 323 * Missiles seek their target and try to avoid obstacles. If target dies early, they
 324 * pick a new one on their own.
 325 */
 326
 327 void spawnfunc_turret_hk()
 328 {
 329     precache_model ("models/turrets/base.md3");
 330     precache_model ("models/turrets/hk.md3");
 331
 332     self.think = turret_hk_dinit;
 333     self.nextthink = time + 0.5;
 334 }
 335
 336