qcsrc/common/mutators/mutator/buffs/sv_buffs.qc

   1 #include "sv_buffs.qh"
   2
   3 #include <common/triggers/target/music.qh>
   4 #include <common/gamemodes/_mod.qh>
   5
   6 .float buff_time = _STAT(BUFF_TIME);
   7 void buffs_DelayedInit(entity this);
   8
   9 AUTOCVAR(g_buffs, int, -1, "Enable buffs, -1: enabled but no auto location or replacing powerups, 1: enabled and can replace them");
  10
  11 REGISTER_MUTATOR(buffs, autocvar_g_buffs)
  12 {
  13         MUTATOR_ONADD
  14         {
  15                 if(autocvar_g_buffs > 0)
  16                         InitializeEntity(NULL, buffs_DelayedInit, INITPRIO_FINDTARGET);
  17         }
  18 }
  19
  20 bool buffs_BuffModel_Customize(entity this, entity client)
  21 {
  22         entity player, myowner;
  23         bool same_team;
  24
  25         player = WaypointSprite_getviewentity(client);
  26         myowner = this.owner;
  27         same_team = (SAME_TEAM(player, myowner) || SAME_TEAM(player, myowner));
  28
  29         if(myowner.alpha <= 0.5 && !same_team && myowner.alpha != 0)
  30                 return false;
  31
  32         if(MUTATOR_CALLHOOK(BuffModel_Customize, this, player))
  33                 return false;
  34
  35         if(player == myowner || (IS_SPEC(client) && client.enemy == myowner))
  36         {
  37                 // somewhat hide the model, but keep the glow
  38                 this.effects = 0;
  39                 this.alpha = -1;
  40         }
  41         else
  42         {
  43                 this.effects = EF_FULLBRIGHT | EF_LOWPRECISION;
  44                 this.alpha = 1;
  45         }
  46         return true;
  47 }
  48
  49 void buffs_BuffModel_Spawn(entity player)
  50 {
  51         player.buff_model = spawn();
  52         setmodel(player.buff_model, MDL_BUFF);
  53         setsize(player.buff_model, '0 0 -40', '0 0 40');
  54         setattachment(player.buff_model, player, "");
  55         setorigin(player.buff_model, '0 0 1' * (player.buff_model.maxs.z * 1));
  56         player.buff_model.owner = player;
  57         player.buff_model.scale = 0.7;
  58         player.buff_model.pflags = PFLAGS_FULLDYNAMIC;
  59         player.buff_model.light_lev = 200;
  60         setcefc(player.buff_model, buffs_BuffModel_Customize);
  61 }
  62
  63 vector buff_GlowColor(entity buff)
  64 {
  65         //if(buff.team) { return Team_ColorRGB(buff.team); }
  66         return buff.m_color;
  67 }
  68
  69 void buff_Effect(entity player, string eff)
  70 {
  71         if(!autocvar_g_buffs_effects) { return; }
  72
  73         if(time >= player.buff_effect_delay)
  74         {
  75                 Send_Effect_(eff, player.origin + ((player.mins + player.maxs) * 0.5), '0 0 0', 1);
  76                 player.buff_effect_delay = time + 0.05; // prevent spam
  77         }
  78 }
  79
  80 // buff item
  81 bool buff_Waypoint_visible_for_player(entity this, entity player, entity view)
  82 {
  83         if(!this.owner.buff_active && !this.owner.buff_activetime)
  84                 return false;
  85
  86         if (view.buffs)
  87         {
  88                 return CS(view).cvar_cl_buffs_autoreplace == false || view.buffs != this.owner.buffs;
  89         }
  90
  91         return WaypointSprite_visible_for_player(this, player, view);
  92 }
  93
  94 void buff_Waypoint_Spawn(entity e)
  95 {
  96         entity buff = buff_FirstFromFlags(e.buffs);
  97         entity wp = WaypointSprite_Spawn(WP_Buff, 0, autocvar_g_buffs_waypoint_distance, e, '0 0 1' * e.maxs.z, NULL, e.team, e, buff_waypoint, true, RADARICON_Buff);
  98         wp.wp_extra = buff.m_id;
  99         WaypointSprite_UpdateTeamRadar(e.buff_waypoint, RADARICON_Buff, e.glowmod);
 100         e.buff_waypoint.waypointsprite_visible_for_player = buff_Waypoint_visible_for_player;
 101 }
 102
 103 void buff_SetCooldown(entity this, float cd)
 104 {
 105         cd = max(0, cd);
 106
 107         if(!this.buff_waypoint)
 108                 buff_Waypoint_Spawn(this);
 109
 110         WaypointSprite_UpdateBuildFinished(this.buff_waypoint, time + cd);
 111         this.buff_activetime = cd;
 112         this.buff_active = !cd;
 113 }
 114
 115 void buff_Respawn(entity this)
 116 {
 117         if(game_stopped) return;
 118
 119         vector oldbufforigin = this.origin;
 120         this.velocity = '0 0 200';
 121
 122         if(!MoveToRandomMapLocation(this, DPCONTENTS_SOLID | DPCONTENTS_CORPSE | DPCONTENTS_PLAYERCLIP, DPCONTENTS_SLIME | DPCONTENTS_LAVA | DPCONTENTS_SKY | DPCONTENTS_BODY | DPCONTENTS_DONOTENTER, Q3SURFACEFLAG_SKY,
 123                 ((autocvar_g_buffs_random_location_attempts > 0) ? autocvar_g_buffs_random_location_attempts : 10), 1024, 256))
 124         {
 125                 entity spot = SelectSpawnPoint(this, true);
 126                 setorigin(this, spot.origin);
 127                 this.velocity = ((randomvec() * 100) + '0 0 200');
 128                 this.angles = spot.angles;
 129         }
 130
 131         tracebox(this.origin, this.mins * 1.5, this.maxs * 1.5, this.origin, MOVE_NOMONSTERS, this);
 132
 133         setorigin(this, trace_endpos); // attempt to unstick
 134
 135         set_movetype(this, MOVETYPE_TOSS);
 136
 137         makevectors(this.angles);
 138         this.angles = '0 0 0';
 139         if(autocvar_g_buffs_random_lifetime > 0)
 140                 this.lifetime = time + autocvar_g_buffs_random_lifetime;
 141
 142         Send_Effect(EFFECT_ELECTRO_COMBO, oldbufforigin + ((this.mins + this.maxs) * 0.5), '0 0 0', 1);
 143         Send_Effect(EFFECT_ELECTRO_COMBO, CENTER_OR_VIEWOFS(this), '0 0 0', 1);
 144
 145         WaypointSprite_Ping(this.buff_waypoint);
 146
 147         sound(this, CH_TRIGGER, SND_KA_RESPAWN, VOL_BASE, ATTEN_NONE); // ATTEN_NONE (it's a sound intended to be heard anywhere)
 148 }
 149
 150 void buff_Touch(entity this, entity toucher)
 151 {
 152         if(game_stopped) return;
 153
 154         if(ITEM_TOUCH_NEEDKILL())
 155         {
 156                 buff_Respawn(this);
 157                 return;
 158         }
 159
 160         if(!this.buff_active)
 161                 return;
 162
 163         if(MUTATOR_CALLHOOK(BuffTouch, this, toucher))
 164                 return;
 165         toucher = M_ARGV(1, entity);
 166
 167         if(!IS_PLAYER(toucher))
 168                 return; // incase mutator changed toucher
 169
 170         if((this.team && DIFF_TEAM(toucher, this))
 171         || (STAT(FROZEN, toucher))
 172         || (toucher.vehicle)
 173         || (time < PS(toucher).buff_shield)
 174         )
 175         {
 176                 // can't touch this
 177                 return;
 178         }
 179
 180         if (toucher.buffs)
 181         {
 182                 if (CS(toucher).cvar_cl_buffs_autoreplace && toucher.buffs != this.buffs)
 183                 {
 184                         int buffid = buff_FirstFromFlags(toucher.buffs).m_id;
 185                         //Send_Notification(NOTIF_ONE, toucher, MSG_MULTI, ITEM_BUFF_DROP, toucher.buffs);
 186                         Send_Notification(NOTIF_ALL, NULL, MSG_INFO, INFO_ITEM_BUFF_LOST, toucher.netname, buffid);
 187
 188                         toucher.buffs = 0;
 189                         //sound(toucher, CH_TRIGGER, SND_BUFF_LOST, VOL_BASE, ATTN_NORM);
 190                 }
 191                 else { return; } // do nothing
 192         }
 193
 194         this.owner = toucher;
 195         this.buff_active = false;
 196         this.lifetime = 0;
 197         int buffid = buff_FirstFromFlags(this.buffs).m_id;
 198         Send_Notification(NOTIF_ONE, toucher, MSG_MULTI, ITEM_BUFF_GOT, buffid);
 199         Send_Notification(NOTIF_ALL_EXCEPT, toucher, MSG_INFO, INFO_ITEM_BUFF, toucher.netname, buffid);
 200
 201         Send_Effect(EFFECT_ITEM_PICKUP, CENTER_OR_VIEWOFS(this), '0 0 0', 1);
 202         sound(toucher, CH_TRIGGER, SND_SHIELD_RESPAWN, VOL_BASE, ATTN_NORM);
 203         toucher.buffs |= (this.buffs);
 204 }
 205
 206 float buff_Available(entity buff)
 207 {
 208         if (buff == BUFF_Null)
 209                 return false;
 210         if (buff == BUFF_AMMO && ((start_items & IT_UNLIMITED_WEAPON_AMMO) || (start_items & IT_UNLIMITED_AMMO) || (cvar("g_melee_only"))))
 211                 return false;
 212         if (buff == BUFF_VAMPIRE && cvar("g_vampire"))
 213                 return false;
 214         return cvar(strcat("g_buffs_", buff.m_name));
 215 }
 216
 217 .int buff_seencount;
 218
 219 void buff_NewType(entity ent)
 220 {
 221         RandomSelection_Init();
 222         FOREACH(Buffs, buff_Available(it),
 223         {
 224                 // if it's already been chosen, give it a lower priority
 225                 RandomSelection_AddEnt(it, max(0.2, 1 / it.buff_seencount), 1);
 226         });
 227         entity newbuff = RandomSelection_chosen_ent;
 228         newbuff.buff_seencount += 1; // lower chances of seeing this buff again soon
 229         ent.buffs = newbuff.m_itemid;
 230 }
 231
 232 void buff_Think(entity this)
 233 {
 234         if(this.buffs != this.oldbuffs)
 235         {
 236                 entity buff = buff_FirstFromFlags(this.buffs);
 237                 this.color = buff.m_color;
 238                 this.glowmod = buff_GlowColor(buff);
 239                 this.skin = buff.m_skin;
 240
 241                 setmodel(this, MDL_BUFF);
 242                 setsize(this, BUFF_MIN, BUFF_MAX);
 243
 244                 if(this.buff_waypoint)
 245                 {
 246                         //WaypointSprite_Disown(this.buff_waypoint, 1);
 247                         WaypointSprite_Kill(this.buff_waypoint);
 248                         buff_Waypoint_Spawn(this);
 249                         if(this.buff_activetime)
 250                                 WaypointSprite_UpdateBuildFinished(this.buff_waypoint, time + this.buff_activetime - frametime);
 251                 }
 252
 253                 this.oldbuffs = this.buffs;
 254         }
 255
 256         if(!game_stopped)
 257         if((round_handler_IsActive() && !round_handler_IsRoundStarted()) || time >= game_starttime)
 258         if(!this.buff_activetime_updated)
 259         {
 260                 buff_SetCooldown(this, this.buff_activetime);
 261                 this.buff_activetime_updated = true;
 262         }
 263
 264         if(!this.buff_active && !this.buff_activetime)
 265         if(!this.owner || STAT(FROZEN, this.owner) || IS_DEAD(this.owner) || !this.owner.iscreature || this.owner.vehicle || !(this.owner.buffs & this.buffs) || this.pickup_anyway > 0 || (this.pickup_anyway >= 0 && autocvar_g_buffs_pickup_anyway))
 266         {
 267                 buff_SetCooldown(this, autocvar_g_buffs_cooldown_respawn + frametime);
 268                 this.owner = NULL;
 269                 if(autocvar_g_buffs_randomize)
 270                         buff_NewType(this);
 271
 272                 if(autocvar_g_buffs_random_location || (this.spawnflags & 64))
 273                         buff_Respawn(this);
 274         }
 275
 276         if(this.buff_activetime)
 277         if(!game_stopped)
 278         if((round_handler_IsActive() && !round_handler_IsRoundStarted()) || time >= game_starttime)
 279         {
 280                 this.buff_activetime = max(0, this.buff_activetime - frametime);
 281
 282                 if(!this.buff_activetime)
 283                 {
 284                         this.buff_active = true;
 285                         sound(this, CH_TRIGGER, SND_STRENGTH_RESPAWN, VOL_BASE, ATTN_NORM);
 286                         Send_Effect(EFFECT_ITEM_RESPAWN, CENTER_OR_VIEWOFS(this), '0 0 0', 1);
 287                 }
 288         }
 289
 290         if(this.buff_active)
 291         {
 292                 if(this.team && !this.buff_waypoint)
 293                         buff_Waypoint_Spawn(this);
 294
 295                 if(this.lifetime)
 296                 if(time >= this.lifetime)
 297                         buff_Respawn(this);
 298         }
 299
 300         this.nextthink = time;
 301         //this.angles_y = time * 110.1;
 302 }
 303
 304 void buff_Waypoint_Reset(entity this)
 305 {
 306         WaypointSprite_Kill(this.buff_waypoint);
 307
 308         if(this.buff_activetime) { buff_Waypoint_Spawn(this); }
 309 }
 310
 311 void buff_Reset(entity this)
 312 {
 313         if(autocvar_g_buffs_randomize)
 314                 buff_NewType(this);
 315         this.owner = NULL;
 316         buff_SetCooldown(this, autocvar_g_buffs_cooldown_activate);
 317         buff_Waypoint_Reset(this);
 318         this.buff_activetime_updated = false;
 319
 320         if(autocvar_g_buffs_random_location || (this.spawnflags & 64))
 321                 buff_Respawn(this);
 322 }
 323
 324 bool buff_Customize(entity this, entity client)
 325 {
 326         entity player = WaypointSprite_getviewentity(client);
 327         if(!this.buff_active || (this.team && DIFF_TEAM(player, this)))
 328         {
 329                 this.alpha = 0.3;
 330                 if(this.effects & EF_FULLBRIGHT) { this.effects &= ~(EF_FULLBRIGHT); }
 331                 this.pflags = 0;
 332         }
 333         else
 334         {
 335                 this.alpha = 1;
 336                 if(!(this.effects & EF_FULLBRIGHT)) { this.effects |= EF_FULLBRIGHT; }
 337                 this.light_lev = 220 + 36 * sin(time);
 338                 this.pflags = PFLAGS_FULLDYNAMIC;
 339         }
 340         return true;
 341 }
 342
 343 void buff_Init(entity this)
 344 {
 345         if(!cvar("g_buffs")) { delete(this); return; }
 346
 347         if(!teamplay && this.team) { this.team = 0; }
 348
 349         entity buff = buff_FirstFromFlags(this.buffs);
 350
 351         if(!this.buffs || !buff_Available(buff))
 352                 buff_NewType(this);
 353
 354         this.classname = "item_buff";
 355         this.solid = SOLID_TRIGGER;
 356         this.flags = FL_ITEM;
 357         this.bot_pickup = true;
 358         this.bot_pickupevalfunc = generic_pickupevalfunc;
 359         this.bot_pickupbasevalue = 1000;
 360         IL_PUSH(g_items, this);
 361         setthink(this, buff_Think);
 362         settouch(this, buff_Touch);
 363         this.reset = buff_Reset;
 364         this.nextthink = time + 0.1;
 365         this.gravity = 1;
 366         set_movetype(this, MOVETYPE_TOSS);
 367         this.scale = 1;
 368         this.skin = buff.m_skin;
 369         this.effects = EF_FULLBRIGHT | EF_STARDUST | EF_NOSHADOW;
 370         this.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY;
 371         setcefc(this, buff_Customize);
 372         //this.gravity = 100;
 373         this.color = buff.m_color;
 374         this.glowmod = buff_GlowColor(this);
 375         buff_SetCooldown(this, autocvar_g_buffs_cooldown_activate + max(0, game_starttime - time));
 376         this.buff_active = !this.buff_activetime;
 377         this.pflags = PFLAGS_FULLDYNAMIC;
 378
 379         if(this.spawnflags & 1)
 380                 this.noalign = true;
 381
 382         if(this.noalign)
 383                 set_movetype(this, MOVETYPE_NONE); // reset by random location
 384
 385         setmodel(this, MDL_BUFF);
 386         setsize(this, BUFF_MIN, BUFF_MAX);
 387
 388         if(cvar("g_buffs_random_location") || (this.spawnflags & 64))
 389                 buff_Respawn(this);
 390 }
 391
 392 void buff_Init_Compat(entity ent, entity replacement)
 393 {
 394         if (ent.spawnflags & 2)
 395                 ent.team = NUM_TEAM_1;
 396         else if (ent.spawnflags & 4)
 397                 ent.team = NUM_TEAM_2;
 398
 399         ent.buffs = replacement.m_itemid;
 400
 401         buff_Init(ent);
 402 }
 403
 404 void buff_SpawnReplacement(entity ent, entity old)
 405 {
 406         setorigin(ent, old.origin);
 407         ent.angles = old.angles;
 408         ent.noalign = (old.noalign || (old.spawnflags & 1));
 409
 410         buff_Init(ent);
 411 }
 412
 413 void buff_Vengeance_DelayedDamage(entity this)
 414 {
 415         if(this.enemy)
 416                 Damage(this.enemy, this.owner, this.owner, this.dmg, DEATH_BUFF.m_id, this.enemy.origin, '0 0 0');
 417
 418         delete(this);
 419         return;
 420 }
 421
 422 // note: only really useful in teamplay
 423 void buff_Medic_Heal(entity this)
 424 {
 425         FOREACH_CLIENT(IS_PLAYER(it) && it != this && vdist(it.origin - this.origin, <=, autocvar_g_buffs_medic_heal_range),
 426         {
 427                 if (!SAME_TEAM(it, this))
 428                 {
 429                         continue;
 430                 }
 431                 float hp = GetResourceAmount(it, RESOURCE_HEALTH);
 432                 if(hp >= autocvar_g_balance_health_regenstable)
 433                 {
 434                         continue;
 435                 }
 436                 Send_Effect(EFFECT_HEALING, it.origin, '0 0 0', 1);
 437                 SetResourceAmount(it, RESOURCE_HEALTH, bound(0, hp + autocvar_g_buffs_medic_heal_amount, autocvar_g_balance_health_regenstable));
 438         });
 439 }
 440
 441 float buff_Inferno_CalculateTime(float damg, float offset_x, float offset_y, float intersect_x, float intersect_y, float base)
 442 {
 443         return offset_y + (intersect_y - offset_y) * logn(((damg - offset_x) * ((base - 1) / intersect_x)) + 1, base);
 444 }
 445
 446 // mutator hooks
 447 MUTATOR_HOOKFUNCTION(buffs, Damage_Calculate)
 448 {
 449         entity frag_attacker = M_ARGV(1, entity);
 450         entity frag_target = M_ARGV(2, entity);
 451         float frag_deathtype = M_ARGV(3, float);
 452         float frag_damage = M_ARGV(4, float);
 453         vector frag_force = M_ARGV(6, vector);
 454
 455         if(frag_deathtype == DEATH_BUFF.m_id) { return; }
 456
 457         if(frag_target.buffs & BUFF_RESISTANCE.m_itemid)
 458         {
 459                 float reduced = frag_damage * autocvar_g_buffs_resistance_blockpercent;
 460                 frag_damage = bound(0, frag_damage - reduced, frag_damage);
 461         }
 462
 463         if(frag_target.buffs & BUFF_SPEED.m_itemid)
 464         if(frag_target != frag_attacker)
 465                 frag_damage *= autocvar_g_buffs_speed_damage_take;
 466
 467         if(frag_target.buffs & BUFF_MEDIC.m_itemid)
 468         if((GetResourceAmount(frag_target, RESOURCE_HEALTH) - frag_damage) <= 0)
 469         if(!ITEM_DAMAGE_NEEDKILL(frag_deathtype))
 470         if(frag_attacker)
 471         if(random() <= autocvar_g_buffs_medic_survive_chance)
 472                 frag_damage = max(5, GetResourceAmount(frag_target, RESOURCE_HEALTH) - autocvar_g_buffs_medic_survive_health);
 473
 474         if(frag_target.buffs & BUFF_JUMP.m_itemid)
 475         if(frag_deathtype == DEATH_FALL.m_id)
 476                 frag_damage = 0;
 477
 478         if(frag_target.buffs & BUFF_VENGEANCE.m_itemid)
 479         if(frag_attacker)
 480         if(frag_attacker != frag_target)
 481         if(!ITEM_DAMAGE_NEEDKILL(frag_deathtype))
 482         {
 483                 entity dmgent = spawn();
 484
 485                 dmgent.dmg = frag_damage * autocvar_g_buffs_vengeance_damage_multiplier;
 486                 dmgent.enemy = frag_attacker;
 487                 dmgent.owner = frag_target;
 488                 setthink(dmgent, buff_Vengeance_DelayedDamage);
 489                 dmgent.nextthink = time + 0.1;
 490         }
 491
 492         if(frag_target.buffs & BUFF_BASH.m_itemid)
 493         if(frag_attacker != frag_target)
 494                 frag_force = '0 0 0';
 495
 496         if(frag_attacker.buffs & BUFF_BASH.m_itemid)
 497         if(frag_force)
 498         if(frag_attacker == frag_target)
 499                 frag_force *= autocvar_g_buffs_bash_force_self;
 500         else
 501                 frag_force *= autocvar_g_buffs_bash_force;
 502
 503         if(frag_attacker.buffs & BUFF_DISABILITY.m_itemid)
 504         if(frag_target != frag_attacker)
 505                 frag_target.buff_disability_time = time + autocvar_g_buffs_disability_slowtime;
 506
 507         if(frag_target.buffs & BUFF_INFERNO.m_itemid)
 508         {
 509                 if(frag_deathtype == DEATH_FIRE.m_id)
 510                         frag_damage = 0;
 511                 if(frag_deathtype == DEATH_LAVA.m_id)
 512                         frag_damage *= 0.5; // TODO: cvarize?
 513         }
 514
 515         if(frag_attacker.buffs & BUFF_LUCK.m_itemid)
 516         if(frag_attacker != frag_target)
 517         if(autocvar_g_buffs_luck_damagemultiplier > 0)
 518         if(random() <= autocvar_g_buffs_luck_chance)
 519                 frag_damage *= autocvar_g_buffs_luck_damagemultiplier;
 520
 521         if(frag_attacker.buffs & BUFF_INFERNO.m_itemid)
 522         if(frag_target != frag_attacker) {
 523                 float btime = buff_Inferno_CalculateTime(
 524                         frag_damage,
 525                         0,
 526                         autocvar_g_buffs_inferno_burntime_min_time,
 527                         autocvar_g_buffs_inferno_burntime_target_damage,
 528                         autocvar_g_buffs_inferno_burntime_target_time,
 529                         autocvar_g_buffs_inferno_burntime_factor
 530                 );
 531                 Fire_AddDamage(frag_target, frag_attacker, (frag_damage * autocvar_g_buffs_inferno_damagemultiplier), btime, DEATH_BUFF.m_id);
 532         }
 533
 534         // this... is ridiculous (TODO: fix!)
 535         if(frag_attacker.buffs & BUFF_VAMPIRE.m_itemid)
 536         if(!frag_target.vehicle)
 537         if(!ITEM_DAMAGE_NEEDKILL(frag_deathtype))
 538         if(!IS_DEAD(frag_target))
 539         if(IS_PLAYER(frag_target) || IS_MONSTER(frag_target))
 540         if(frag_attacker != frag_target)
 541         if(!STAT(FROZEN, frag_target))
 542         if(frag_target.takedamage)
 543         if(DIFF_TEAM(frag_attacker, frag_target))
 544         {
 545                 float amount = bound(0, frag_damage * autocvar_g_buffs_vampire_damage_steal,
 546                         GetResourceAmount(frag_target, RESOURCE_HEALTH));
 547                 GiveResourceWithLimit(frag_attacker, RESOURCE_HEALTH, amount, g_pickup_healthsmall_max);
 548                 if (frag_target.armorvalue)
 549                 {
 550                         amount = bound(0, frag_damage * autocvar_g_buffs_vampire_damage_steal,
 551                                 GetResourceAmount(frag_target, RESOURCE_ARMOR));
 552                         GiveResourceWithLimit(frag_attacker, RESOURCE_ARMOR, amount, g_pickup_armorsmall_max);
 553                 }
 554         }
 555
 556         M_ARGV(4, float) = frag_damage;
 557         M_ARGV(6, vector) = frag_force;
 558 }
 559
 560 MUTATOR_HOOKFUNCTION(buffs, PlayerSpawn)
 561 {
 562         entity player = M_ARGV(0, entity);
 563
 564         player.buffs = 0;
 565         player.buff_time = 0;
 566         PS(player).buff_shield = time + 0.5; // prevent picking up buffs immediately
 567         // reset timers here to prevent them continuing after re-spawn
 568         player.buff_disability_time = 0;
 569         player.buff_disability_effect_time = 0;
 570 }
 571
 572 MUTATOR_HOOKFUNCTION(buffs, PlayerPhysics_UpdateStats)
 573 {
 574         entity player = M_ARGV(0, entity);
 575         // these automatically reset, no need to worry
 576
 577         if(player.buffs & BUFF_SPEED.m_itemid)
 578                 STAT(MOVEVARS_HIGHSPEED, player) *= autocvar_g_buffs_speed_speed;
 579
 580         if(time < player.buff_disability_time)
 581                 STAT(MOVEVARS_HIGHSPEED, player) *= autocvar_g_buffs_disability_speed;
 582 }
 583
 584 MUTATOR_HOOKFUNCTION(buffs, PlayerPhysics)
 585 {
 586         entity player = M_ARGV(0, entity);
 587         // these automatically reset, no need to worry
 588
 589         if(player.buffs & BUFF_JUMP.m_itemid)
 590                 STAT(MOVEVARS_JUMPVELOCITY, player) = autocvar_g_buffs_jump_height;
 591 }
 592
 593 MUTATOR_HOOKFUNCTION(buffs, MonsterMove)
 594 {
 595         entity mon = M_ARGV(0, entity);
 596
 597         if(time < mon.buff_disability_time)
 598         {
 599                 M_ARGV(1, float) *= autocvar_g_buffs_disability_speed; // run speed
 600                 M_ARGV(2, float) *= autocvar_g_buffs_disability_speed; // walk speed
 601         }
 602 }
 603
 604 MUTATOR_HOOKFUNCTION(buffs, PlayerDies)
 605 {
 606         entity frag_target = M_ARGV(2, entity);
 607
 608         if(frag_target.buffs)
 609         {
 610                 int buffid = buff_FirstFromFlags(frag_target.buffs).m_id;
 611                 Send_Notification(NOTIF_ALL_EXCEPT, frag_target, MSG_INFO, INFO_ITEM_BUFF_LOST, frag_target.netname, buffid);
 612                 frag_target.buffs = 0;
 613
 614                 if(frag_target.buff_model)
 615                 {
 616                         delete(frag_target.buff_model);
 617                         frag_target.buff_model = NULL;
 618                 }
 619         }
 620 }
 621
 622 MUTATOR_HOOKFUNCTION(buffs, PlayerUseKey, CBC_ORDER_FIRST)
 623 {
 624         if(MUTATOR_RETURNVALUE || game_stopped || !autocvar_g_buffs_drop) return;
 625
 626         entity player = M_ARGV(0, entity);
 627
 628         if(player.buffs)
 629         {
 630                 int buffid = buff_FirstFromFlags(player.buffs).m_id;
 631                 Send_Notification(NOTIF_ONE, player, MSG_MULTI, ITEM_BUFF_DROP, buffid);
 632                 Send_Notification(NOTIF_ALL_EXCEPT, player, MSG_INFO, INFO_ITEM_BUFF_LOST, player.netname, buffid);
 633
 634                 player.buffs = 0;
 635                 PS(player).buff_shield = time + max(0, autocvar_g_buffs_pickup_delay);
 636                 //player.buff_time = 0; // already notified
 637                 sound(player, CH_TRIGGER, SND_BUFF_LOST, VOL_BASE, ATTN_NORM);
 638                 return true;
 639         }
 640 }
 641
 642 MUTATOR_HOOKFUNCTION(buffs, ForbidThrowCurrentWeapon)
 643 {
 644         if(MUTATOR_RETURNVALUE || game_stopped) return;
 645         entity player = M_ARGV(0, entity);
 646
 647         if(player.buffs & BUFF_SWAPPER.m_itemid)
 648         {
 649                 float best_distance = autocvar_g_buffs_swapper_range;
 650                 entity closest = NULL;
 651                 FOREACH_CLIENT(IS_PLAYER(it), {
 652                         if(!IS_DEAD(it) && !STAT(FROZEN, it) && !it.vehicle)
 653                         if(DIFF_TEAM(it, player))
 654                         {
 655                                 float test = vlen2(player.origin - it.origin);
 656                                 if(test <= best_distance * best_distance)
 657                                 {
 658                                         best_distance = sqrt(test);
 659                                         closest = it;
 660                                 }
 661                         }
 662                 });
 663
 664                 if(closest)
 665                 {
 666                         vector my_org, my_vel, my_ang, their_org, their_vel, their_ang;
 667
 668                         my_org = player.origin;
 669                         my_vel = player.velocity;
 670                         my_ang = player.angles;
 671                         their_org = closest.origin;
 672                         their_vel = closest.velocity;
 673                         their_ang = closest.angles;
 674
 675                         Drop_Special_Items(closest);
 676
 677                         MUTATOR_CALLHOOK(PortalTeleport, player); // initiate flag dropper
 678
 679                         setorigin(player, their_org);
 680                         setorigin(closest, my_org);
 681
 682                         closest.velocity = my_vel;
 683                         closest.angles = my_ang;
 684                         closest.fixangle = true;
 685                         closest.oldorigin = my_org;
 686                         closest.oldvelocity = my_vel;
 687                         player.velocity = their_vel;
 688                         player.angles = their_ang;
 689                         player.fixangle = true;
 690                         player.oldorigin = their_org;
 691                         player.oldvelocity = their_vel;
 692
 693                         // set pusher so player gets the kill if they fall into void
 694                         closest.pusher = player;
 695                         closest.pushltime = time + autocvar_g_maxpushtime;
 696                         closest.istypefrag = PHYS_INPUT_BUTTON_CHAT(closest);
 697
 698                         Send_Effect(EFFECT_ELECTRO_COMBO, their_org, '0 0 0', 1);
 699                         Send_Effect(EFFECT_ELECTRO_COMBO, my_org, '0 0 0', 1);
 700
 701                         sound(player, CH_TRIGGER, SND_KA_RESPAWN, VOL_BASE, ATTEN_NORM);
 702                         sound(closest, CH_TRIGGER, SND_KA_RESPAWN, VOL_BASE, ATTEN_NORM);
 703
 704                         // TODO: add a counter to handle how many times one can teleport, and a delay to prevent spam
 705                         player.buffs = 0;
 706                         return true;
 707                 }
 708         }
 709 }
 710
 711 bool buffs_RemovePlayer(entity player)
 712 {
 713         if(player.buff_model)
 714         {
 715                 delete(player.buff_model);
 716                 player.buff_model = NULL;
 717         }
 718
 719         // also reset timers here to prevent them continuing after spectating
 720         player.buff_disability_time = 0;
 721         player.buff_disability_effect_time = 0;
 722
 723         return false;
 724 }
 725 MUTATOR_HOOKFUNCTION(buffs, MakePlayerObserver) { entity player = M_ARGV(0, entity); return buffs_RemovePlayer(player); }
 726 MUTATOR_HOOKFUNCTION(buffs, ClientDisconnect) { entity player = M_ARGV(0, entity); return buffs_RemovePlayer(player); }
 727
 728 MUTATOR_HOOKFUNCTION(buffs, CustomizeWaypoint)
 729 {
 730         entity wp = M_ARGV(0, entity);
 731         entity player = M_ARGV(1, entity);
 732
 733         entity e = WaypointSprite_getviewentity(player);
 734
 735         // if you have the invisibility powerup, sprites ALWAYS are restricted to your team
 736         // but only apply this to real players, not to spectators
 737         if((wp.owner.flags & FL_CLIENT) && (wp.owner.buffs & BUFF_INVISIBLE.m_itemid) && (e == player))
 738         if(DIFF_TEAM(wp.owner, e))
 739                 return true;
 740 }
 741
 742 MUTATOR_HOOKFUNCTION(buffs, OnEntityPreSpawn, CBC_ORDER_LAST)
 743 {
 744         if(autocvar_g_buffs < 0)
 745                 return; // no auto replacing of entities in this mode
 746
 747         entity ent = M_ARGV(0, entity);
 748
 749         if(autocvar_g_buffs_replace_powerups)
 750         switch(ent.classname)
 751         {
 752                 case "item_strength":
 753                 case "item_invincible":
 754                 {
 755                         entity e = spawn();
 756                         buff_SpawnReplacement(e, ent);
 757                         return true;
 758                 }
 759         }
 760 }
 761
 762 MUTATOR_HOOKFUNCTION(buffs, WeaponRateFactor)
 763 {
 764         entity player = M_ARGV(1, entity);
 765
 766         if(player.buffs & BUFF_SPEED.m_itemid)
 767                 M_ARGV(0, float) *= autocvar_g_buffs_speed_rate;
 768
 769         if(time < player.buff_disability_time)
 770                 M_ARGV(0, float) *= autocvar_g_buffs_disability_rate;
 771 }
 772
 773 MUTATOR_HOOKFUNCTION(buffs, WeaponSpeedFactor)
 774 {
 775         entity player = M_ARGV(1, entity);
 776
 777         if(player.buffs & BUFF_SPEED.m_itemid)
 778                 M_ARGV(0, float) *= autocvar_g_buffs_speed_weaponspeed;
 779
 780         if(time < player.buff_disability_time)
 781                 M_ARGV(0, float) *= autocvar_g_buffs_disability_weaponspeed;
 782 }
 783
 784 .bool buff_flight_crouchheld;
 785
 786 MUTATOR_HOOKFUNCTION(buffs, PlayerPreThink)
 787 {
 788         entity player = M_ARGV(0, entity);
 789
 790         if(game_stopped || IS_DEAD(player) || frametime || !IS_PLAYER(player)) return;
 791
 792         if(player.buffs & BUFF_FLIGHT.m_itemid)
 793         {
 794                 if(!PHYS_INPUT_BUTTON_CROUCH(player))
 795                         player.buff_flight_crouchheld = false;
 796                 else if(!player.buff_flight_crouchheld)
 797                 {
 798                         player.buff_flight_crouchheld = true;
 799                         player.gravity *= -1;
 800                 }
 801         }
 802
 803         if(time < player.buff_disability_time)
 804         if(time >= player.buff_disability_effect_time)
 805         {
 806                 Send_Effect(EFFECT_SMOKING, player.origin + ((player.mins + player.maxs) * 0.5), '0 0 0', 1);
 807                 player.buff_disability_effect_time = time + 0.5;
 808         }
 809
 810         // handle buff lost status
 811         // 1: notify everyone else
 812         // 2: notify carrier as well
 813         int buff_lost = 0;
 814
 815         if(player.buff_time && player.buffs)
 816         if(time >= player.buff_time)
 817         {
 818                 player.buff_time = 0;
 819                 buff_lost = 2;
 820         }
 821
 822         if(STAT(FROZEN, player)) { buff_lost = 1; }
 823
 824         if(buff_lost)
 825         {
 826                 if(player.buffs)
 827                 {
 828                         int buffid = buff_FirstFromFlags(player.buffs).m_id;
 829                         if(buff_lost == 2)
 830                         {
 831                                 Send_Notification(NOTIF_ONE, player, MSG_MULTI, ITEM_BUFF_DROP, buffid); // TODO: special timeout message?
 832                                 sound(player, CH_TRIGGER, SND_BUFF_LOST, VOL_BASE, ATTN_NORM);
 833                         }
 834                         else
 835                                 Send_Notification(NOTIF_ALL_EXCEPT, player, MSG_INFO, INFO_ITEM_BUFF_LOST, player.netname, buffid);
 836                         player.buffs = 0;
 837                         PS(player).buff_shield = time + max(0, autocvar_g_buffs_pickup_delay); // always put in a delay, even if small
 838                 }
 839         }
 840
 841         if(player.buffs & BUFF_MAGNET.m_itemid)
 842         {
 843                 vector pickup_size;
 844                 IL_EACH(g_items, it.itemdef,
 845                 {
 846                         if(it.buffs)
 847                                 pickup_size = '1 1 1' * autocvar_g_buffs_magnet_range_buff;
 848                         else
 849                                 pickup_size = '1 1 1' * autocvar_g_buffs_magnet_range_item;
 850
 851                         if(boxesoverlap(player.absmin - pickup_size, player.absmax + pickup_size, it.absmin, it.absmax))
 852                         {
 853                                 if(gettouch(it))
 854                                         gettouch(it)(it, player);
 855                         }
 856                 });
 857         }
 858
 859         if(player.buffs & BUFF_AMMO.m_itemid)
 860         {
 861                 for(int slot = 0; slot < MAX_WEAPONSLOTS; ++slot)
 862                 {
 863                         .entity weaponentity = weaponentities[slot];
 864                         if(player.(weaponentity).clip_size)
 865                                 player.(weaponentity).clip_load = player.(weaponentity).(weapon_load[player.(weaponentity).m_switchweapon.m_id]) = player.(weaponentity).clip_size;
 866                 }
 867         }
 868
 869         if((player.buffs & BUFF_INVISIBLE.m_itemid) && (player.oldbuffs & BUFF_INVISIBLE.m_itemid))
 870                 player.alpha = ((autocvar_g_buffs_invisible_alpha) ? autocvar_g_buffs_invisible_alpha : -1); // powerups reset alpha, so we must enforce this (TODO)
 871
 872         if(player.buffs & BUFF_MEDIC.m_itemid)
 873         if(time >= player.buff_medic_healtime)
 874         {
 875                 buff_Medic_Heal(player);
 876                 player.buff_medic_healtime = time + autocvar_g_buffs_medic_heal_delay;
 877         }
 878
 879 #define BUFF_ONADD(b) if ( (player.buffs & (b).m_itemid) && !(player.oldbuffs & (b).m_itemid))
 880 #define BUFF_ONREM(b) if (!(player.buffs & (b).m_itemid) &&  (player.oldbuffs & (b).m_itemid))
 881
 882         if(player.buffs != player.oldbuffs)
 883         {
 884                 entity buff = buff_FirstFromFlags(player.buffs);
 885                 float bufftime = buff != BUFF_Null ? buff.m_time(buff) : 0;
 886                 player.buff_time = (bufftime) ? time + bufftime : 0;
 887
 888                 BUFF_ONADD(BUFF_AMMO)
 889                 {
 890                         player.buff_ammo_prev_infitems = (player.items & IT_UNLIMITED_WEAPON_AMMO);
 891                         player.items |= IT_UNLIMITED_WEAPON_AMMO;
 892
 893                         if(player.buffs & BUFF_AMMO.m_itemid)
 894                         {
 895                                 for(int slot = 0; slot < MAX_WEAPONSLOTS; ++slot)
 896                                 {
 897                                         .entity weaponentity = weaponentities[slot];
 898                                         if(player.(weaponentity).clip_load)
 899                                                 player.(weaponentity).buff_ammo_prev_clipload = player.(weaponentity).clip_load;
 900                                         if(player.(weaponentity).clip_size)
 901                                                 player.(weaponentity).clip_load = player.(weaponentity).(weapon_load[player.(weaponentity).m_switchweapon.m_id]) = player.(weaponentity).clip_size;
 902                                 }
 903                         }
 904                 }
 905
 906                 BUFF_ONREM(BUFF_AMMO)
 907                 {
 908                         if(player.buff_ammo_prev_infitems)
 909                                 player.items |= IT_UNLIMITED_WEAPON_AMMO;
 910                         else
 911                                 player.items &= ~IT_UNLIMITED_WEAPON_AMMO;
 912
 913                         if(player.buffs & BUFF_AMMO.m_itemid)
 914                         {
 915                                 for(int slot = 0; slot < MAX_WEAPONSLOTS; ++slot)
 916                                 {
 917                                         .entity weaponentity = weaponentities[slot];
 918                                         if(player.(weaponentity).buff_ammo_prev_clipload)
 919                                                 player.(weaponentity).clip_load = player.(weaponentity).buff_ammo_prev_clipload;
 920                                 }
 921                         }
 922                 }
 923
 924                 BUFF_ONADD(BUFF_INVISIBLE)
 925                 {
 926                         if(time < player.strength_finished && g_instagib)
 927                                 player.buff_invisible_prev_alpha = default_player_alpha; // we don't want to save the powerup's alpha, as player may lose the powerup while holding the buff
 928                         else
 929                                 player.buff_invisible_prev_alpha = player.alpha;
 930                         player.alpha = autocvar_g_buffs_invisible_alpha;
 931                 }
 932
 933                 BUFF_ONREM(BUFF_INVISIBLE)
 934                 {
 935                         if(time < player.strength_finished && g_instagib)
 936                                 player.alpha = autocvar_g_instagib_invis_alpha;
 937                         else
 938                                 player.alpha = player.buff_invisible_prev_alpha;
 939                 }
 940
 941                 BUFF_ONADD(BUFF_FLIGHT)
 942                 {
 943                         player.buff_flight_oldgravity = player.gravity;
 944                         if(!player.gravity)
 945                                 player.gravity = 1;
 946                 }
 947
 948                 BUFF_ONREM(BUFF_FLIGHT)
 949                         player.gravity = ((player.trigger_gravity_check) ? player.trigger_gravity_check.enemy.gravity : player.buff_flight_oldgravity);
 950
 951                 player.oldbuffs = player.buffs;
 952                 if(player.buffs)
 953                 {
 954                         if(!player.buff_model)
 955                                 buffs_BuffModel_Spawn(player);
 956
 957                         player.buff_model.color = buff.m_color;
 958                         player.buff_model.glowmod = buff_GlowColor(player.buff_model);
 959                         player.buff_model.skin = buff.m_skin;
 960
 961                         player.effects |= EF_NOSHADOW;
 962                 }
 963                 else
 964                 {
 965                         if(player.buff_model)
 966                                 delete(player.buff_model);
 967                         player.buff_model = NULL;
 968
 969                         player.effects &= ~(EF_NOSHADOW);
 970                 }
 971         }
 972
 973         if(player.buff_model)
 974         {
 975                 player.buff_model.effects = player.effects;
 976                 player.buff_model.effects |= EF_LOWPRECISION;
 977                 player.buff_model.effects = player.buff_model.effects & EFMASK_CHEAP; // eat performance
 978
 979                 player.buff_model.alpha = player.alpha;
 980         }
 981
 982 #undef BUFF_ONADD
 983 #undef BUFF_ONREM
 984 }
 985
 986 MUTATOR_HOOKFUNCTION(buffs, SpectateCopy)
 987 {
 988         entity spectatee = M_ARGV(0, entity);
 989         entity client = M_ARGV(1, entity);
 990
 991         client.buffs = spectatee.buffs;
 992         client.buff_time = spectatee.buff_time;
 993 }
 994
 995 MUTATOR_HOOKFUNCTION(buffs, PlayerRegen)
 996 {
 997         entity player = M_ARGV(0, entity);
 998
 999         if(player.buffs & BUFF_MEDIC.m_itemid)
1000         {
1001                 M_ARGV(2, float) = autocvar_g_buffs_medic_rot; // rot_mod
1002                 M_ARGV(4, float) = M_ARGV(1, float) = autocvar_g_buffs_medic_max; // limit_mod = max_mod
1003                 M_ARGV(2, float) = autocvar_g_buffs_medic_regen; // regen_mod
1004         }
1005
1006         if(player.buffs & BUFF_SPEED.m_itemid)
1007                 M_ARGV(2, float) = autocvar_g_buffs_speed_regen; // regen_mod
1008 }
1009
1010 REPLICATE(cvar_cl_buffs_autoreplace, bool, "cl_buffs_autoreplace");
1011
1012 MUTATOR_HOOKFUNCTION(buffs, BuildMutatorsString)
1013 {
1014         if(autocvar_g_buffs > 0) // only report as a mutator if they're enabled
1015                 M_ARGV(0, string) = strcat(M_ARGV(0, string), ":Buffs");
1016 }
1017
1018 MUTATOR_HOOKFUNCTION(buffs, BuildMutatorsPrettyString)
1019 {
1020         if(autocvar_g_buffs > 0)
1021                 M_ARGV(0, string) = strcat(M_ARGV(0, string), ", Buffs");
1022 }
1023
1024 void buffs_DelayedInit(entity this)
1025 {
1026         if(autocvar_g_buffs_spawn_count > 0)
1027         if(find(NULL, classname, "item_buff") == NULL)
1028         {
1029                 float i;
1030                 for(i = 0; i < autocvar_g_buffs_spawn_count; ++i)
1031                 {
1032                         entity e = spawn();
1033                         e.spawnflags |= 64; // always randomize
1034                         e.velocity = randomvec() * 250; // this gets reset anyway if random location works
1035                         buff_Init(e);
1036                 }
1037         }
1038 }