data/qcsrc/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  // don't switch while guiding a missile
   9                 || self.ammo_rockets >= 3)
  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.wav", 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         org2 = findbetterlocation (self.origin);
  46         te_explosion (org2);
  47         effect (org2, "models/sprites/rocketexplosion.spr32", 0, 26, 30);
  48         sound (self, CHAN_BODY, "weapons/rocket_impact.wav", 1, ATTN_NORM);
  49
  50         self.event_damage = SUB_Null;
  51         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);
  52
  53         if (self.owner.weapon == WEP_ROCKET_LAUNCHER)
  54         {
  55                 if(cvar("g_homing_missile"))
  56                                   self.owner.attack_finished = time + cvar("g_balance_rocketlauncher_refire");
  57         }
  58
  59         remove (self);
  60 }
  61
  62 entity FindLaserTarget(entity e, float dist_variance, float dot_variance)
  63 {
  64         entity head, selected;
  65         vector dir;
  66         float dist, maxdist,// bestdist,
  67                 dot,// bestdot,
  68                 points, bestpoints;
  69         //bestdist = 9999;
  70         //bestdot = -2;
  71         bestpoints = 0;
  72         maxdist = 800;
  73         selected = world;
  74
  75         makevectors(e.angles);
  76
  77         head = find(world, classname, "laser_target");
  78         while(head)
  79         {
  80                 points = 0;
  81                 dir = normalize(head.origin - self.origin);
  82                 dot = dir * v_forward;
  83                 dist = vlen(head.origin - self.origin);
  84                 if(dist > maxdist)
  85                         dist = maxdist;
  86
  87                 // gain points for being in front
  88                 points = points + ((dot+1)*0.5) * 500
  89                         * (1 + crandom()*dot_variance);
  90                 // gain points for being close away
  91                 points = points + (1 - dist/maxdist) * 1000
  92                         * (1 + crandom()*dot_variance);
  93
  94                 traceline(e.origin, head.origin, TRUE, self);
  95                 if(trace_fraction < 1)
  96                 {
  97                         points = 0;
  98                 }
  99
 100                 if(points > bestpoints)//random() > 0.5)//
 101                 {
 102                         bestpoints = points;
 103                         selected = head;
 104                 }
 105
 106
 107                 /*
 108                 dot = dir * v_forward;
 109                 if(dot > bestdot * (1 + crandom()*dot_variance))
 110                 {
 111                         dist = vlen(head.origin - self.origin);
 112                         if(dist < bestdist * (1 + crandom()*dist_variance))
 113                         {
 114                                 traceline(e.origin, head.origin, TRUE, self);
 115                                 if(trace_fraction >= 1)
 116                                 {
 117                                 }
 118                         }
 119                 }
 120                 */
 121                 head = find(head, classname, "laser_target");
 122         }
 123
 124         //bprint(selected.owner.netname);
 125         //bprint("\n");
 126         return selected;
 127 }
 128
 129 void W_Rocket_Think (void)
 130 {
 131         entity e;
 132         vector desireddir, olddir, newdir;
 133         float turnrate;
 134         self.nextthink = time;
 135         if (time > self.cnt)
 136         {
 137                 W_Rocket_Explode ();
 138                 return;
 139         }
 140         if (self.owner.weapon == WEP_ROCKET_LAUNCHER)
 141         {
 142                 if(cvar("g_homing_missile"))
 143                 {
 144                         if(!self.owner.button0)
 145                                 self.ltime = -1; // indicate that the player has let go of the button
 146
 147
 148                         if (self.owner.button0 && self.ltime < 0) // if the player let go of the button and then pushed it again
 149                         {
 150                                   W_Rocket_Explode ();
 151                                   return;
 152                         }
 153
 154                         if(cvar("g_balance_rocketlauncher_homing_allow_steal"))
 155                         {
 156                                 if(self.owner.laser_on)
 157                                 {
 158                                         if(self.attack_finished < time)
 159                                         {
 160                                                 self.attack_finished = time + 0.2 + random()*0.3;
 161                                                 self.enemy = FindLaserTarget(self, 0.7, 0.7);
 162                                         }
 163
 164                                         if(!self.enemy)
 165                                                 self.enemy = self.owner.weaponentity.lasertarget;
 166                                 }
 167                                 else self.enemy = world;
 168                         }
 169                         else // don't allow stealing: always target my owner's laser (if it exists)
 170                                 self.enemy = self.owner.weaponentity.lasertarget;
 171
 172                         if(self.enemy != world)
 173                         {
 174                                 //bprint(strcat("Targeting ", self.enemy.owner.netname, "'s laser\n"));
 175                                 if(!self.speed)
 176                                         self.speed = vlen(self.velocity);
 177                                 e = self.enemy;//self.owner.weaponentity.lasertarget;
 178                                 turnrate = cvar("g_balance_rocketlauncher_homing_turnrate");//0.65;                                             // how fast to turn
 179                                 desireddir = normalize(e.origin - self.origin);         // get direction from my position to the laser target
 180                                 olddir = normalize(self.velocity);                              // get my current direction
 181                                 newdir = normalize((olddir + desireddir * turnrate) * 0.5);     // take the average of the 2 directions; not the best method but simple & easy
 182                                 self.velocity = newdir * self.speed;                    // make me fly in the new direction at my flight speed
 183                                 self.angles = vectoangles(self.velocity);                       // turn model in the new flight direction
 184
 185                                 self.owner.attack_finished = time + 0.2;
 186                         }
 187                 }
 188                 else
 189                 {
 190                         if (self.owner.button3)
 191                                   W_Rocket_Explode ();
 192                 }
 193         }
 194 }
 195
 196 void W_Rocket_Touch (void)
 197 {
 198         if (pointcontents (self.origin) == CONTENT_SKY)
 199         {
 200                 remove (self);
 201                 return;
 202         }
 203         else
 204                 W_Rocket_Explode ();
 205 }
 206
 207 void W_Rocket_Damage (entity inflictor, entity attacker, float damage, float deathtype, vector hitloc, vector force)
 208 {
 209         self.health = self.health - damage;
 210         if (self.health <= 0)
 211                 W_Rocket_Explode();
 212 }
 213
 214 void W_Rocket_Attack (void)
 215 {
 216         local entity missile;
 217         local entity flash;
 218         local vector org;
 219         sound (self, CHAN_WEAPON, "weapons/rocket_fire.wav", 1, ATTN_NORM);
 220         if (cvar("g_use_ammunition") && !cvar("g_rocketarena"))
 221                 self.ammo_rockets = self.ammo_rockets - 3;
 222         self.punchangle_x = -4;
 223         org = self.origin + self.view_ofs + v_forward * 15 + v_right * 3 + v_up * -11;
 224         te_smallflash(org);
 225
 226         missile = spawn ();
 227         missile.owner = self;
 228         missile.classname = "missile";
 229
 230         missile.takedamage = DAMAGE_YES;
 231         missile.damageforcescale = 4;
 232         missile.health = 30;
 233         missile.event_damage = W_Rocket_Damage;
 234
 235         missile.movetype = MOVETYPE_FLY;
 236         missile.solid = SOLID_BBOX;
 237         setmodel (missile, "models/rocket.md3");
 238         setsize (missile, '0 0 0', '0 0 0');
 239
 240         setorigin (missile, org);
 241         if(cvar("g_homing_missile") && self.laser_on)
 242                 missile.velocity = v_forward * cvar("g_balance_rocketlauncher_homing_speed");
 243         else
 244                 missile.velocity = v_forward * cvar("g_balance_rocketlauncher_speed");
 245         missile.angles = vectoangles (missile.velocity);
 246
 247         missile.touch = W_Rocket_Touch;
 248         missile.think = W_Rocket_Think;
 249         missile.nextthink = time;
 250         missile.cnt = time + 9;
 251         sound (missile, CHAN_BODY, "weapons/rocket_fly.wav", 0.4, ATTN_NORM);
 252
 253         flash = spawn ();
 254         setorigin (flash, org);
 255         setmodel (flash, "models/flash.md3");
 256         flash.velocity = v_forward * 20;
 257         flash.angles = vectoangles (flash.velocity);
 258         SUB_SetFade (flash, time, 0.4);
 259         flash.effects = flash.effects | EF_ADDITIVE | EF_FULLBRIGHT | EF_LOWPRECISION;
 260 }
 261
 262 // weapon frames
 263
 264 void()  rlauncher_ready_01 =    {weapon_thinkf(WFRAME_IDLE, 0.1, rlauncher_ready_01); self.weaponentity.state = WS_READY;};
 265 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;};
 266 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;};
 267 void()  rlauncher_fire1_01 =
 268 {
 269         weapon_doattack(rlauncher_check, rlauncher_check, W_Rocket_Attack);
 270         weapon_thinkf(WFRAME_FIRE1, 0.3, rlauncher_ready_01);
 271 };