qcsrc/common/turrets/unit/hk.qc

   1 #ifdef REGISTER_TURRET
   2 REGISTER_TURRET(
   3 /* TUR_##id   */ HK,
   4 /* function   */ t_hk,
   5 /* spawnflags */ TUR_FLAG_SPLASH | TUR_FLAG_MEDPROJ | TUR_FLAG_PLAYER | TUR_FLAG_RECIEVETARGETS,
   6 /* mins,maxs  */ '-32 -32 0', '32 32 64',
   7 /* model          */ "base.md3",
   8 /* head_model */ "hk.md3",
   9 /* netname        */ "hk",
  10 /* fullname   */ _("Hunter-Killer Turret")
  11 );
  12 #else
  13 #ifdef SVQC
  14 float autocvar_g_turrets_unit_hk_shot_speed;
  15 float autocvar_g_turrets_unit_hk_shot_speed_accel;
  16 float autocvar_g_turrets_unit_hk_shot_speed_accel2;
  17 float autocvar_g_turrets_unit_hk_shot_speed_decel;
  18 float autocvar_g_turrets_unit_hk_shot_speed_max;
  19 float autocvar_g_turrets_unit_hk_shot_speed_turnrate;
  20
  21 //#define TURRET_DEBUG_HK
  22
  23 #ifdef TURRET_DEBUG_HK
  24 .float atime;
  25 #endif
  26
  27 float hk_is_valid_target(entity e_target)
  28 {SELFPARAM();
  29     if (e_target == world)
  30         return 0;
  31
  32     // If only this was used more..
  33     if (e_target.flags & FL_NOTARGET)
  34         return 0;
  35
  36     // Cant touch this
  37     if ((e_target.takedamage == DAMAGE_NO) || (e_target.health < 0))
  38         return 0;
  39
  40     // player
  41     if (IS_CLIENT(e_target))
  42     {
  43         if (self.owner.target_select_playerbias < 0)
  44             return 0;
  45
  46         if (e_target.deadflag != DEAD_NO)
  47             return 0;
  48     }
  49
  50     // Missile
  51     if ((e_target.flags & FL_PROJECTILE) && (self.owner.target_select_missilebias < 0))
  52         return 0;
  53
  54     // Team check
  55     if ((e_target.team == self.owner.team) || (self.owner.team == e_target.owner.team))
  56         return 0;
  57
  58     return 1;
  59 }
  60
  61 void turret_hk_missile_think()
  62 {SELFPARAM();
  63     vector vu, vd, vf, vl, vr, ve;  // Vector (direction)
  64     float  fu, fd, ff, fl, fr, fe;  // Fraction to solid
  65     vector olddir,wishdir,newdir;   // Final direction
  66     float lt_for;   // Length of Trace FORwrad
  67     float lt_seek;  // Length of Trace SEEK (left, right, up down)
  68     float pt_seek;  // Pitch of Trace SEEK (How mutch to angele left, right up, down trace towards v_forward)
  69     vector pre_pos;
  70     float myspeed;
  71     entity e;
  72     float ad,edist;
  73
  74     self.nextthink = time + self.ticrate;
  75
  76     //if (self.cnt < time)
  77     //  turret_hk_missile_explode();
  78
  79     if (self.enemy.deadflag != DEAD_NO)
  80         self.enemy = world;
  81
  82     // Pick the closest valid target.
  83     if (!self.enemy)
  84     {
  85         e = findradius(self.origin, 5000);
  86         while (e)
  87         {
  88             if (hk_is_valid_target(e))
  89             {
  90                 if (!self.enemy)
  91                     self.enemy = e;
  92                 else
  93                     if (vlen(self.origin - e.origin) < vlen(self.origin - self.enemy.origin))
  94                         self.enemy = e;
  95             }
  96             e = e.chain;
  97         }
  98     }
  99
 100     self.angles = vectoangles(self.velocity);
 101     self.angles_x = self.angles_x * -1;
 102     makevectors(self.angles);
 103     self.angles_x = self.angles_x * -1;
 104
 105     if (self.enemy)
 106     {
 107         edist = vlen(self.origin - self.enemy.origin);
 108         // Close enougth to do decent damage?
 109         if ( edist <= (self.owner.shot_radius * 0.25) )
 110         {
 111             turret_projectile_explode();
 112             return;
 113         }
 114
 115         // Get data on enemy position
 116         pre_pos = self.enemy.origin +
 117                   self.enemy.velocity *
 118                   min((vlen(self.enemy.origin - self.origin) / vlen(self.velocity)),0.5);
 119
 120         traceline(self.origin, pre_pos,true,self.enemy);
 121         ve = normalize(pre_pos - self.origin);
 122         fe = trace_fraction;
 123
 124     }
 125     else
 126     {
 127     edist = 0;
 128     ve = '0 0 0';
 129         fe = 0;
 130     }
 131
 132     if ((fe != 1) || (self.enemy == world) || (edist > 1000))
 133     {
 134         myspeed = vlen(self.velocity);
 135
 136         lt_for  = myspeed * 3;
 137         lt_seek = myspeed * 2.95;
 138
 139         // Trace forward
 140         traceline(self.origin, self.origin + v_forward * lt_for,false,self);
 141         vf = trace_endpos;
 142         ff = trace_fraction;
 143
 144         // Find angular offset
 145         ad = vlen(vectoangles(normalize(self.enemy.origin - self.origin)) - self.angles);
 146
 147         // To close to something, Slow down!
 148         if ( ((ff < 0.7) || (ad > 4)) && (myspeed > (autocvar_g_turrets_unit_hk_shot_speed)) )
 149             myspeed = max(myspeed * (autocvar_g_turrets_unit_hk_shot_speed_decel), (autocvar_g_turrets_unit_hk_shot_speed));
 150
 151         // Failry clear, accelerate.
 152         if ( (ff > 0.7) && (myspeed < (autocvar_g_turrets_unit_hk_shot_speed_max)) )
 153             myspeed = min(myspeed * (autocvar_g_turrets_unit_hk_shot_speed_accel), (autocvar_g_turrets_unit_hk_shot_speed_max));
 154
 155         // Setup trace pitch
 156         pt_seek = 1 - ff;
 157         pt_seek = bound(0.15,pt_seek,0.8);
 158         if (ff < 0.5) pt_seek = 1;
 159
 160         // Trace left
 161         traceline(self.origin, self.origin + (-1 * (v_right * pt_seek) + (v_forward * ff)) * lt_seek,false,self);
 162         vl = trace_endpos;
 163         fl = trace_fraction;
 164
 165         // Trace right
 166         traceline(self.origin,  self.origin + ((v_right * pt_seek) + (v_forward * ff)) * lt_seek ,false,self);
 167         vr = trace_endpos;
 168         fr = trace_fraction;
 169
 170         // Trace up
 171         traceline(self.origin,  self.origin + ((v_up * pt_seek) + (v_forward * ff)) * lt_seek ,false,self);
 172         vu = trace_endpos;
 173         fu = trace_fraction;
 174
 175         // Trace down
 176         traceline(self.origin,  self.origin + (-1 * (v_up * pt_seek) + (v_forward * ff)) * lt_seek ,false,self);
 177         vd = trace_endpos;
 178         fd = trace_fraction;
 179
 180         vl = normalize(vl - self.origin);
 181         vr = normalize(vr - self.origin);
 182         vu = normalize(vu - self.origin);
 183         vd = normalize(vd - self.origin);
 184
 185         // Panic tresh passed, find a single direction and turn as hard as we can
 186         if (pt_seek == 1)
 187         {
 188             wishdir = v_right;
 189             if (fl > fr) wishdir = -1 * v_right;
 190             if (fu > fl) wishdir = v_up;
 191             if (fd > fu) wishdir = -1 * v_up;
 192         }
 193         else
 194         {
 195             // Normalize our trace vectors to make a smooth path
 196             wishdir = normalize( (vl * fl) + (vr * fr) +  (vu * fu) +  (vd * fd) );
 197         }
 198
 199         if (self.enemy)
 200         {
 201             if (fe < 0.1) fe = 0.1; // Make sure we always try to move sligtly towards our target
 202             wishdir = (wishdir * (1 - fe)) + (ve * fe);
 203         }
 204     }
 205     else
 206     {
 207         // Got a clear path to target, speed up fast (if not at full speed) and go straight for it.
 208         myspeed = vlen(self.velocity);
 209         if (myspeed < (autocvar_g_turrets_unit_hk_shot_speed_max))
 210             myspeed = min(myspeed * (autocvar_g_turrets_unit_hk_shot_speed_accel2),(autocvar_g_turrets_unit_hk_shot_speed_max));
 211
 212         wishdir = ve;
 213     }
 214
 215     if ((myspeed > (autocvar_g_turrets_unit_hk_shot_speed)) && (self.cnt > time))
 216         myspeed = min(myspeed * (autocvar_g_turrets_unit_hk_shot_speed_accel2),(autocvar_g_turrets_unit_hk_shot_speed_max));
 217
 218     // Ranoutagazfish?
 219     if (self.cnt < time)
 220     {
 221         self.cnt = time + 0.25;
 222         self.nextthink = 0;
 223         self.movetype            = MOVETYPE_BOUNCE;
 224         return;
 225     }
 226
 227     // Calculate new heading
 228     olddir = normalize(self.velocity);
 229     newdir = normalize(olddir + wishdir * (autocvar_g_turrets_unit_hk_shot_speed_turnrate));
 230
 231     // Set heading & speed
 232     self.velocity = newdir * myspeed;
 233
 234     // Align model with new heading
 235     self.angles = vectoangles(self.velocity);
 236
 237
 238 #ifdef TURRET_DEBUG_HK
 239     //if(self.atime < time) {
 240     if ((fe <= 0.99)||(edist > 1000))
 241     {
 242         te_lightning2(world,self.origin, self.origin + vr * lt_seek);
 243         te_lightning2(world,self.origin, self.origin + vl * lt_seek);
 244         te_lightning2(world,self.origin, self.origin + vu * lt_seek);
 245         te_lightning2(world,self.origin, self.origin + vd * lt_seek);
 246         te_lightning2(world,self.origin, vf);
 247     }
 248     else
 249     {
 250         te_lightning2(world,self.origin, self.enemy.origin);
 251     }
 252     bprint("Speed: ", ftos(rint(myspeed)), "\n");
 253     bprint("Trace to solid: ", ftos(rint(ff * 100)), "%\n");
 254     bprint("Trace to target:", ftos(rint(fe * 100)), "%\n");
 255     self.atime = time + 0.2;
 256     //}
 257 #endif
 258
 259     UpdateCSQCProjectile(self);
 260 }
 261
 262 float turret_hk_addtarget(entity e_target,entity e_sender)
 263 {SELFPARAM();
 264     if (e_target)
 265     {
 266         if (turret_validate_target(self,e_target,self.target_validate_flags) > 0)
 267         {
 268             self.enemy = e_target;
 269             return 1;
 270         }
 271     }
 272
 273     return 0;
 274 }
 275
 276 void spawnfunc_turret_hk() { SELFPARAM(); if(!turret_initialize(TUR_HK)) remove(self); }
 277
 278 float t_hk(float req)
 279 {SELFPARAM();
 280     switch(req)
 281     {
 282         case TR_ATTACK:
 283         {
 284             entity missile;
 285
 286             missile = turret_projectile(W_Sound("rocket_fire"), 6, 10, DEATH_TURRET_HK, PROJECTILE_ROCKET, FALSE, FALSE);
 287             te_explosion (missile.origin);
 288
 289             missile.think                       = turret_hk_missile_think;
 290             missile.nextthink           = time + 0.25;
 291             missile.movetype             = MOVETYPE_BOUNCEMISSILE;
 292             missile.velocity             = self.tur_shotdir_updated * (self.shot_speed * 0.75);
 293             missile.angles                 = vectoangles(missile.velocity);
 294             missile.cnt                   = time + 30;
 295             missile.ticrate               = max(autocvar_sys_ticrate, 0.05);
 296             missile.missile_flags = MIF_SPLASH | MIF_PROXY | MIF_GUIDED_AI;
 297
 298             if (self.tur_head.frame == 0)
 299                 self.tur_head.frame = self.tur_head.frame + 1;
 300
 301             return true;
 302         }
 303         case TR_THINK:
 304         {
 305             if (self.tur_head.frame != 0)
 306                 self.tur_head.frame = self.tur_head.frame + 1;
 307
 308             if (self.tur_head.frame > 5)
 309                 self.tur_head.frame = 0;
 310
 311             return true;
 312         }
 313         case TR_DEATH:
 314         {
 315             return true;
 316         }
 317         case TR_SETUP:
 318         {
 319             self.ammo_flags = TFL_AMMO_ROCKETS | TFL_AMMO_RECHARGE;
 320             self.aim_flags = TFL_AIM_SIMPLE;
 321             self.target_select_flags = TFL_TARGETSELECT_LOS | TFL_TARGETSELECT_PLAYERS | TFL_TARGETSELECT_TRIGGERTARGET | TFL_TARGETSELECT_RANGELIMITS | TFL_TARGETSELECT_TEAMCHECK;
 322             self.firecheck_flags = TFL_FIRECHECK_DEAD | TFL_FIRECHECK_TEAMCHECK  | TFL_FIRECHECK_REFIRE | TFL_FIRECHECK_AFF;
 323             self.shoot_flags = TFL_SHOOT_CLEARTARGET;
 324             self.target_validate_flags = TFL_TARGETSELECT_PLAYERS | TFL_TARGETSELECT_TEAMCHECK;
 325
 326             self.turret_addtarget = turret_hk_addtarget;
 327
 328             return true;
 329         }
 330         case TR_PRECACHE:
 331         {
 332             return true;
 333         }
 334     }
 335
 336     return true;
 337 }
 338
 339 #endif // SVQC
 340 #ifdef CSQC
 341 float t_hk(float req)
 342 {
 343     switch(req)
 344     {
 345         case TR_SETUP:
 346         {
 347             return true;
 348         }
 349         case TR_PRECACHE:
 350         {
 351             return true;
 352         }
 353     }
 354
 355     return true;
 356 }
 357
 358 #endif // CSQC
 359 #endif // REGISTER_TURRET