data/qcsrc/server/gamec/w_rocketlauncher.c

   1 void() rlauncher_ready_01;
   2 void() rlauncher_fire1_01;
   3 void() rlauncher_deselect_01;
   4 void() rlauncher_select_01;
   5
   6 float() rlauncher_check =
   7 {
   8         if ((self.attack_finished > time && self.weapon == WEP_ROCKET_LAUNCHER)  // don't switch while guiding a missile
   9                 || self.ammo_rockets >= cvar("g_balance_rocketlauncher_ammo"))
  10                 return TRUE;
  11         return FALSE;
  12 };
  13
  14 void(float req) w_rlauncher =
  15 {
  16         if (req == WR_IDLE)
  17                 rlauncher_ready_01();
  18         else if (req == WR_FIRE1)
  19                 weapon_prepareattack(rlauncher_check, rlauncher_check, rlauncher_fire1_01, cvar("g_balance_rocketlauncher_refire"));
  20         else if (req == WR_FIRE2 && cvar("g_homing_missile"))
  21         {
  22                 if(self.exteriorweaponentity.attack_finished < time)
  23                 {
  24                         self.exteriorweaponentity.attack_finished = time + 0.4;
  25                         self.laser_on = !self.laser_on;
  26                         sound (self, CHAN_AUTO, "weapons/tink1.ogg", 1, ATTN_NORM);
  27                 }
  28         }
  29         else if (req == WR_RAISE)
  30                 rlauncher_select_01();
  31         else if (req == WR_UPDATECOUNTS)
  32                 self.currentammo = self.ammo_rockets;
  33         else if (req == WR_DROP)
  34                 rlauncher_deselect_01();
  35         else if (req == WR_SETUP)
  36                 weapon_setup(WEP_ROCKET_LAUNCHER, "w_rl.zym", IT_ROCKETS);
  37         else if (req == WR_CHECKAMMO)
  38                 weapon_hasammo = rlauncher_check();
  39 };
  40
  41
  42 void W_Rocket_Explode (void)
  43 {
  44         vector  org2;
  45         sound (self, CHAN_BODY, "weapons/rocket_impact.ogg", 1, ATTN_NORM);
  46         org2 = findbetterlocation (self.origin);
  47         te_explosion (org2);
  48         effect (org2, "models/sprites/rockexpl.spr", 0, 12, 35);
  49         self.event_damage = SUB_Null;
  50         RadiusDamage (self, self.owner, cvar("g_balance_rocketlauncher_damage"), cvar("g_balance_rocketlauncher_edgedamage"), cvar("g_balance_rocketlauncher_radius"), world, cvar("g_balance_rocketlauncher_force"), IT_ROCKET_LAUNCHER);
  51
  52         if (self.owner.weapon == WEP_ROCKET_LAUNCHER)
  53         {
  54                 if(cvar("g_homing_missile"))
  55                                   self.owner.attack_finished = time + cvar("g_balance_rocketlauncher_refire");
  56         }
  57         remove (self);
  58 }
  59
  60 entity FindLaserTarget(entity e, float dist_variance, float dot_variance)
  61 {
  62         entity head, selected;
  63         vector dir;
  64         float dist, maxdist,// bestdist,
  65                 dot,// bestdot,
  66                 points, bestpoints;
  67         //bestdist = 9999;
  68         //bestdot = -2;
  69         bestpoints = 0;
  70         maxdist = 800;
  71         selected = world;
  72
  73         makevectors(e.angles);
  74
  75         head = find(world, classname, "laser_target");
  76         while(head)
  77         {
  78                 points = 0;
  79                 dir = normalize(head.origin - self.origin);
  80                 dot = dir * v_forward;
  81                 dist = vlen(head.origin - self.origin);
  82                 if(dist > maxdist)
  83                         dist = maxdist;
  84
  85                 // gain points for being in front
  86                 points = points + ((dot+1)*0.5) * 500
  87                         * (1 + crandom()*dot_variance);
  88                 // gain points for being close away
  89                 points = points + (1 - dist/maxdist) * 1000
  90                         * (1 + crandom()*dot_variance);
  91
  92                 traceline(e.origin, head.origin, TRUE, self);
  93                 if(trace_fraction < 1)
  94                 {
  95                         points = 0;
  96                 }
  97
  98                 if(points > bestpoints)//random() > 0.5)//
  99                 {
 100                         bestpoints = points;
 101                         selected = head;
 102                 }
 103
 104
 105                 /*
 106                 dot = dir * v_forward;
 107                 if(dot > bestdot * (1 + crandom()*dot_variance))
 108                 {
 109                         dist = vlen(head.origin - self.origin);
 110                         if(dist < bestdist * (1 + crandom()*dist_variance))
 111                         {
 112                                 traceline(e.origin, head.origin, TRUE, self);
 113                                 if(trace_fraction >= 1)
 114                                 {
 115                                 }
 116                         }
 117                 }
 118                 */
 119                 head = find(head, classname, "laser_target");
 120         }
 121
 122         //bprint(selected.owner.netname);
 123         //bprint("\n");
 124         return selected;
 125 }
 126
 127 void W_Rocket_Think (void)
 128 {
 129         entity e;
 130         vector desireddir, olddir, newdir;
 131         float turnrate;
 132         self.nextthink = time;
 133         if (time > self.cnt)
 134         {
 135                 W_Rocket_Explode ();
 136                 return;
 137         }
 138         if (self.owner.weapon == WEP_ROCKET_LAUNCHER)
 139         {
 140                 if(cvar("g_homing_missile"))
 141                 {
 142                         if(!self.owner.button0)
 143                                 self.ltime = -1; // indicate that the player has let go of the button
 144
 145
 146                         if (self.owner.button0 && self.ltime < 0) // if the player let go of the button and then pushed it again
 147                         {
 148                                   W_Rocket_Explode ();
 149                                   return;
 150                         }
 151
 152                         if(cvar("g_balance_rocketlauncher_homing_allow_steal"))
 153                         {
 154                                 if(self.owner.laser_on)
 155                                 {
 156                                         if(self.attack_finished < time)
 157                                         {
 158                                                 self.attack_finished = time + 0.2 + random()*0.3;
 159                                                 self.enemy = FindLaserTarget(self, 0.7, 0.7);
 160                                         }
 161
 162                                         if(!self.enemy)
 163                                                 self.enemy = self.owner.weaponentity.lasertarget;
 164                                 }
 165                                 else self.enemy = world;
 166                         }
 167                         else // don't allow stealing: always target my owner's laser (if it exists)
 168                                 self.enemy = self.owner.weaponentity.lasertarget;
 169
 170                         if(self.enemy != world)
 171                         {
 172                                 //bprint(strcat("Targeting ", self.enemy.owner.netname, "'s laser\n"));
 173                                 if(!self.speed)
 174                                         self.speed = vlen(self.velocity);
 175                                 e = self.enemy;//self.owner.weaponentity.lasertarget;
 176                                 turnrate = cvar("g_balance_rocketlauncher_homing_turnrate");//0.65;                                             // how fast to turn
 177                                 desireddir = normalize(e.origin - self.origin);         // get direction from my position to the laser target
 178                                 olddir = normalize(self.velocity);                              // get my current direction
 179                                 newdir = normalize((olddir + desireddir * turnrate) * 0.5);     // take the average of the 2 directions; not the best method but simple & easy
 180                                 self.velocity = newdir * self.speed;                    // make me fly in the new direction at my flight speed
 181                                 self.angles = vectoangles(self.velocity);                       // turn model in the new flight direction
 182
 183                                 self.owner.attack_finished = time + 0.2;
 184                         }
 185                 }
 186                 else
 187                 {
 188                         if (self.owner.button3)
 189                                   W_Rocket_Explode ();
 190                 }
 191         }
 192 }
 193
 194 void W_Rocket_Touch (void)
 195 {
 196         if (pointcontents (self.origin) == CONTENT_SKY)
 197         {
 198                 remove (self);
 199                 return;
 200         }
 201         else
 202                 W_Rocket_Explode ();
 203 }
 204
 205 void W_Rocket_Damage (entity inflictor, entity attacker, float damage, float deathtype, vector hitloc, vector force)
 206 {
 207         self.health = self.health - damage;
 208         if (self.health <= 0)
 209                 W_Rocket_Explode();
 210 }
 211
 212 void W_Rocket_Attack (void)
 213 {
 214         local entity missile;
 215         local entity flash;
 216         local vector org;
 217
 218         local vector trueaim;
 219         trueaim = W_TrueAim();
 220
 221         sound (self, CHAN_WEAPON, "weapons/rocket_fire.ogg", 1, ATTN_NORM);
 222         if (self.items & IT_STRENGTH) {
 223                 sound (self, CHAN_AUTO, "weapons/strength_fire.ogg", 1, ATTN_NORM);
 224         }
 225
 226         if (cvar("g_use_ammunition") && !cvar("g_rocketarena"))
 227                 self.ammo_rockets = self.ammo_rockets - cvar("g_balance_rocketlauncher_ammo");
 228         self.punchangle_x = -4;
 229         org = self.origin + self.view_ofs + v_forward * 15 + v_right * 3 + v_up * -11;
 230         te_smallflash(org);
 231
 232         missile = spawn ();
 233         missile.owner = self;
 234         missile.classname = "missile";
 235
 236         missile.takedamage = DAMAGE_YES;
 237         missile.damageforcescale = 4;
 238         missile.health = 30;
 239         missile.event_damage = W_Rocket_Damage;
 240
 241         missile.movetype = MOVETYPE_FLY;
 242         missile.solid = SOLID_BBOX;
 243         setmodel (missile, "models/rocket.md3");
 244         setsize (missile, '0 0 0', '0 0 0');
 245
 246         setorigin (missile, org);
 247         if(cvar("g_homing_missile") && self.laser_on)
 248                 missile.velocity = normalize(trueaim - org) * cvar("g_balance_rocketlauncher_homing_speed");
 249         else
 250                 missile.velocity = normalize(trueaim - org) * cvar("g_balance_rocketlauncher_speed");
 251         missile.angles = vectoangles (missile.velocity);
 252
 253         missile.touch = W_Rocket_Touch;
 254         missile.think = W_Rocket_Think;
 255         missile.nextthink = time;
 256         missile.cnt = time + cvar("g_balance_rocketlauncher_lifetime");
 257         missile.effects = EF_NOSHADOW;
 258         sound (missile, CHAN_BODY, "weapons/rocket_fly.wav", 0.4, ATTN_NORM);
 259
 260         flash = spawn ();
 261         setorigin (flash, org);
 262         setmodel (flash, "models/flash.md3");
 263         flash.velocity = v_forward * 20;
 264         flash.angles = vectoangles (flash.velocity);
 265         SUB_SetFade (flash, time, 0.4);
 266         flash.effects = flash.effects | EF_ADDITIVE | EF_FULLBRIGHT | EF_LOWPRECISION;
 267 }
 268
 269 // weapon frames
 270
 271 void()  rlauncher_ready_01 =    {weapon_thinkf(WFRAME_IDLE, 0.1, rlauncher_ready_01); self.weaponentity.state = WS_READY;};
 272 void()  rlauncher_select_01 =   {weapon_thinkf(-1, cvar("g_balance_weaponswitchdelay"), w_ready); weapon_boblayer1(PLAYER_WEAPONSELECTION_SPEED, '0 0 0'); self.laser_on = 1;};
 273 void()  rlauncher_deselect_01 = {weapon_thinkf(-1, cvar("g_balance_weaponswitchdelay"), w_clear); weapon_boblayer1(PLAYER_WEAPONSELECTION_SPEED, PLAYER_WEAPONSELECTION_RANGE);  self.laser_on = 0;};
 274 void()  rlauncher_fire1_01 =
 275 {
 276         weapon_doattack(rlauncher_check, rlauncher_check, W_Rocket_Attack);
 277         weapon_thinkf(WFRAME_FIRE1, cvar("g_balance_rocketlauncher_animtime"), rlauncher_ready_01);
 278 };