qcsrc/server/spawnpoints.qc

   1 #include "spawnpoints.qh"
   2
   3 #include "mutators/_mod.qh"
   4 #include "g_world.qh"
   5 #include "race.qh"
   6 #include "../common/constants.qh"
   7 #include <common/net_linked.qh>
   8 #include "../common/teams.qh"
   9 #include "../common/mapobjects/subs.qh"
  10 #include "../common/mapobjects/target/spawnpoint.qh"
  11 #include "../common/util.qh"
  12 #include "../lib/warpzone/common.qh"
  13 #include "../lib/warpzone/util_server.qh"
  14
  15 bool SpawnPoint_Send(entity this, entity to, int sf)
  16 {
  17         WriteHeader(MSG_ENTITY, ENT_CLIENT_SPAWNPOINT);
  18
  19         WriteByte(MSG_ENTITY, this.team);
  20         WriteVector(MSG_ENTITY, this.origin);
  21
  22         return true;
  23 }
  24
  25 bool SpawnEvent_Send(entity this, entity to, int sf)
  26 {
  27         float send;
  28
  29         WriteHeader(MSG_ENTITY, ENT_CLIENT_SPAWNEVENT);
  30
  31         if(autocvar_g_spawn_alloweffects)
  32         {
  33                 WriteByte(MSG_ENTITY, etof(this.owner));
  34                 WriteVector(MSG_ENTITY, this.owner.origin);
  35                 send = true;
  36         }
  37         else if((to == this.owner) || (IS_SPEC(to) && (to.enemy == this.owner)) )
  38         {
  39                 WriteByte(MSG_ENTITY, 0);
  40                 send = true;
  41         }
  42         else { send = false; }
  43
  44         return send;
  45 }
  46
  47 .vector spawnpoint_prevorigin;
  48 void spawnpoint_think(entity this)
  49 {
  50         this.nextthink = time + 0.1;
  51         if(this.origin != this.spawnpoint_prevorigin)
  52         {
  53                 this.spawnpoint_prevorigin = this.origin;
  54                 this.SendFlags |= 1;
  55         }
  56 }
  57
  58 void spawnpoint_use(entity this, entity actor, entity trigger)
  59 {
  60         if(teamplay)
  61         if(have_team_spawns > 0)
  62         {
  63                 this.team = actor.team;
  64                 some_spawn_has_been_used = true;
  65         }
  66         //LOG_INFO("spawnpoint was used!\n");
  67 }
  68
  69 void relocate_spawnpoint(entity this)
  70 {
  71     // nudge off the floor
  72     setorigin(this, this.origin + '0 0 1');
  73
  74     tracebox(this.origin, PL_MIN_CONST, PL_MAX_CONST, this.origin, true, this);
  75     if (trace_startsolid)
  76     {
  77         vector o;
  78         o = this.origin;
  79         this.mins = PL_MIN_CONST;
  80         this.maxs = PL_MAX_CONST;
  81         if (!move_out_of_solid(this))
  82             objerror(this, "could not get out of solid at all!");
  83         LOG_INFOF(
  84             "^1NOTE: this map needs FIXING. Spawnpoint at %s needs to be moved out of solid, e.g. by %s",
  85             vtos(o - '0 0 1'),
  86             vtos(this.origin - o)
  87         );
  88         if (autocvar_g_spawnpoints_auto_move_out_of_solid)
  89         {
  90             if (!spawnpoint_nag)
  91                 LOG_INFO("\{1}^1NOTE: this map needs FIXING (it contains spawnpoints in solid, see server log)");
  92             spawnpoint_nag = 1;
  93         }
  94         else
  95         {
  96             setorigin(this, o);
  97             this.mins = this.maxs = '0 0 0';
  98             objerror(this, "player spawn point in solid, mapper sucks!\n");
  99             return;
 100         }
 101     }
 102
 103     this.use = spawnpoint_use;
 104     setthink(this, spawnpoint_think);
 105     this.nextthink = time + 0.5 + random() * 2; // shouldn't need it for a little second
 106     this.team_saved = this.team;
 107     IL_PUSH(g_saved_team, this);
 108     if (!this.cnt)
 109         this.cnt = 1;
 110
 111     if (have_team_spawns != 0)
 112         if (this.team)
 113             have_team_spawns = 1;
 114     have_team_spawns_forteams |= BIT(this.team);
 115
 116     if (autocvar_r_showbboxes)
 117     {
 118         // show where spawnpoints point at too
 119         makevectors(this.angles);
 120         entity e = new(info_player_foo);
 121         setorigin(e, this.origin + v_forward * 24);
 122         setsize(e, '-8 -8 -8', '8 8 8');
 123         e.solid = SOLID_TRIGGER;
 124     }
 125
 126         // Don't show team spawns in non-team matches,
 127         // and don't show non-team spawns in team matches.
 128         // (Unless useallspawns is activated)
 129         if(
 130                 !(
 131                         ( // if this passes, there is a DM spawn on a team match
 132                                 teamplay
 133                                 && (this.team != NUM_TEAM_1)
 134                                 && (this.team != NUM_TEAM_2)
 135                                 && (this.team != NUM_TEAM_3)
 136                                 && (this.team != NUM_TEAM_4)
 137                         )
 138                         ||
 139                         ( // if this passes, there is a team spawn on a DM match
 140                                 !teamplay
 141                                 &&
 142                                 (
 143                                         (this.team == NUM_TEAM_1)
 144                                         || (this.team == NUM_TEAM_2)
 145                                         || (this.team == NUM_TEAM_3)
 146                                         || (this.team == NUM_TEAM_4)
 147                                 )
 148                         )
 149                 )
 150                 ||
 151                 autocvar_g_spawn_useallspawns
 152         )
 153         { Net_LinkEntity(this, false, 0, SpawnPoint_Send); }
 154 }
 155
 156 spawnfunc(info_player_survivor)
 157 {
 158         spawnfunc_info_player_deathmatch(this);
 159 }
 160
 161 spawnfunc(info_player_start)
 162 {
 163         spawnfunc_info_player_deathmatch(this);
 164 }
 165
 166 spawnfunc(info_player_deathmatch)
 167 {
 168         this.classname = "info_player_deathmatch";
 169         IL_PUSH(g_spawnpoints, this);
 170         relocate_spawnpoint(this);
 171 }
 172
 173 /*QUAKED spawnfunc_info_player_team1 (1 0 0) (-16 -16 -24) (16 16 24)
 174 Starting point for a player in team one (Red).
 175 Keys: "angle" viewing angle when spawning. */
 176 spawnfunc(info_player_team1)
 177 {
 178         this.team = NUM_TEAM_1; // red
 179         spawnfunc_info_player_deathmatch(this);
 180 }
 181
 182
 183 /*QUAKED spawnfunc_info_player_team2 (1 0 0) (-16 -16 -24) (16 16 24)
 184 Starting point for a player in team two (Blue).
 185 Keys: "angle" viewing angle when spawning. */
 186 spawnfunc(info_player_team2)
 187 {
 188         this.team = NUM_TEAM_2; // blue
 189         spawnfunc_info_player_deathmatch(this);
 190 }
 191
 192 /*QUAKED spawnfunc_info_player_team3 (1 0 0) (-16 -16 -24) (16 16 24)
 193 Starting point for a player in team three (Yellow).
 194 Keys: "angle" viewing angle when spawning. */
 195 spawnfunc(info_player_team3)
 196 {
 197         this.team = NUM_TEAM_3; // yellow
 198         spawnfunc_info_player_deathmatch(this);
 199 }
 200
 201
 202 /*QUAKED spawnfunc_info_player_team4 (1 0 0) (-16 -16 -24) (16 16 24)
 203 Starting point for a player in team four (Purple).
 204 Keys: "angle" viewing angle when spawning. */
 205 spawnfunc(info_player_team4)
 206 {
 207         this.team = NUM_TEAM_4; // purple
 208         spawnfunc_info_player_deathmatch(this);
 209 }
 210
 211 // Returns:
 212 //   _x: prio (-1 if unusable)
 213 //   _y: weight
 214 vector Spawn_Score(entity this, entity spot, float mindist, float teamcheck)
 215 {
 216         // filter out spots for the wrong team
 217         if(teamcheck >= 0)
 218                 if(spot.team != teamcheck)
 219                         return '-1 0 0';
 220
 221         if(race_spawns)
 222                 if(spot.target == "")
 223                         return '-1 0 0';
 224
 225         if(IS_REAL_CLIENT(this))
 226         {
 227                 if(spot.restriction == 1)
 228                         return '-1 0 0';
 229         }
 230         else
 231         {
 232                 if(spot.restriction == 2)
 233                         return '-1 0 0';
 234         }
 235
 236         float prio = 0;
 237         float shortest = vlen(world.maxs - world.mins);
 238         FOREACH_CLIENT(IS_PLAYER(it) && it != this, {
 239                 float thisdist = vlen(it.origin - spot.origin);
 240                 if (thisdist < shortest)
 241                         shortest = thisdist;
 242         });
 243         if(shortest > mindist)
 244                 prio += SPAWN_PRIO_GOOD_DISTANCE;
 245
 246         vector spawn_score = prio * '1 0 0' + shortest * '0 1 0';
 247
 248         // filter out spots for assault
 249         if(spot.target != "")
 250         {
 251                 int found = 0;
 252                 for(entity targ = findchain(targetname, spot.target); targ; targ = targ.chain)
 253                 {
 254                         ++found;
 255                         if(targ.spawn_evalfunc)
 256                         {
 257                                 spawn_score = targ.spawn_evalfunc(targ, this, spot, spawn_score);
 258                                 if(spawn_score.x < 0)
 259                                         return spawn_score;
 260                         }
 261                 }
 262
 263                 if(!found)
 264                 {
 265                         LOG_TRACE("WARNING: spawnpoint at ", vtos(spot.origin), " could not find its target ", spot.target);
 266                         return '-1 0 0';
 267                 }
 268         }
 269
 270         MUTATOR_CALLHOOK(Spawn_Score, this, spot, spawn_score);
 271         spawn_score = M_ARGV(2, vector);
 272         return spawn_score;
 273 }
 274
 275 void Spawn_ScoreAll(entity this, entity firstspot, float mindist, float teamcheck)
 276 {
 277         entity spot;
 278         for(spot = firstspot; spot; spot = spot.chain)
 279                 spot.spawnpoint_score = Spawn_Score(this, spot, mindist, teamcheck);
 280 }
 281
 282 entity Spawn_FilterOutBadSpots(entity this, entity firstspot, float mindist, float teamcheck)
 283 {
 284         entity spot, spotlist, spotlistend;
 285
 286         spotlist = NULL;
 287         spotlistend = NULL;
 288
 289         Spawn_ScoreAll(this, firstspot, mindist, teamcheck);
 290
 291         for(spot = firstspot; spot; spot = spot.chain)
 292         {
 293                 if(spot.spawnpoint_score.x >= 0) // spawning allowed here
 294                 {
 295                         if(spotlistend)
 296                                 spotlistend.chain = spot;
 297                         spotlistend = spot;
 298                         if(!spotlist)
 299                                 spotlist = spot;
 300                 }
 301         }
 302         if(spotlistend)
 303                 spotlistend.chain = NULL;
 304
 305         return spotlist;
 306 }
 307
 308 entity Spawn_WeightedPoint(entity firstspot, float lower, float upper, float exponent)
 309 {
 310         // weight of a point: bound(lower, mindisttoplayer, upper)^exponent
 311         // multiplied by spot.cnt (useful if you distribute many spawnpoints in a small area)
 312         entity spot;
 313
 314         RandomSelection_Init();
 315         for(spot = firstspot; spot; spot = spot.chain)
 316                 RandomSelection_AddEnt(spot, (bound(lower, spot.spawnpoint_score.y, upper) ** exponent) * spot.cnt, (spot.spawnpoint_score.y >= lower) * 0.5 + spot.spawnpoint_score.x);
 317
 318         return RandomSelection_chosen_ent;
 319 }
 320
 321 /*
 322 =============
 323 SelectSpawnPoint
 324
 325 Finds a point to respawn
 326 =============
 327 */
 328 entity SelectSpawnPoint(entity this, bool anypoint)
 329 {
 330         float teamcheck;
 331         entity spot, firstspot;
 332
 333         spot = find(NULL, classname, "testplayerstart");
 334         if (spot)
 335                 return spot;
 336
 337         if(this.spawnpoint_targ)
 338                 return this.spawnpoint_targ;
 339
 340         if(anypoint || autocvar_g_spawn_useallspawns)
 341                 teamcheck = -1;
 342         else if(have_team_spawns > 0)
 343         {
 344                 if(!(have_team_spawns_forteams & BIT(this.team)))
 345                 {
 346                         // we request a spawn for a team, and we have team
 347                         // spawns, but that team has no spawns?
 348                         if(have_team_spawns_forteams & BIT(0))
 349                                 // try noteam spawns
 350                                 teamcheck = 0;
 351                         else
 352                                 // if not, any spawn has to do
 353                                 teamcheck = -1;
 354                 }
 355                 else
 356                         teamcheck = this.team; // MUST be team
 357         }
 358         else if(have_team_spawns == 0 && (have_team_spawns_forteams & BIT(0)))
 359                 teamcheck = 0; // MUST be noteam
 360         else
 361                 teamcheck = -1;
 362                 // if we get here, we either require team spawns but have none, or we require non-team spawns and have none; use any spawn then
 363
 364
 365         // get the entire list of spots
 366         firstspot = findchain(classname, "info_player_deathmatch");
 367         // filter out the bad ones
 368         // (note this returns the original list if none survived)
 369         if(anypoint)
 370         {
 371                 spot = Spawn_WeightedPoint(firstspot, 1, 1, 1);
 372         }
 373         else
 374         {
 375                 firstspot = Spawn_FilterOutBadSpots(this, firstspot, 100, teamcheck);
 376
 377                 // there is 50/50 chance of choosing a random spot or the furthest spot
 378                 // (this means that roughly every other spawn will be furthest, so you
 379                 // usually won't get fragged at spawn twice in a row)
 380                 if (random() > autocvar_g_spawn_furthest)
 381                         spot = Spawn_WeightedPoint(firstspot, 1, 1, 1);
 382                 else
 383                         spot = Spawn_WeightedPoint(firstspot, 1, 5000, 5); // chooses a far far away spawnpoint
 384         }
 385
 386         if (!spot)
 387         {
 388                 if(autocvar_spawn_debug)
 389                         GotoNextMap(0);
 390                 else
 391                 {
 392                         if(some_spawn_has_been_used)
 393                                 return NULL; // team can't spawn any more, because of actions of other team
 394                         else
 395                                 error("Cannot find a spawn point - please fix the map!");
 396                 }
 397         }
 398
 399         return spot;
 400 }