qcsrc/server/target_spawn.qc

   1 // spawner entity
   2 // "classname" "target_spawn"
   3 // "message" "fieldname value fieldname value ..."
   4 // "spawnflags"
   5 //   1 = call the spawn function
   6 //   2 = trigger on map load
   7
   8 float target_spawn_initialized;
   9 .void() target_spawn_spawnfunc;
  10 float target_spawn_spawnfunc_field;
  11 .entity target_spawn_activator;
  12 .float target_spawn_id;
  13 float target_spawn_count;
  14
  15 void target_spawn_helper_setmodel()
  16 {
  17         setmodel(self, self.model);
  18 }
  19
  20 void target_spawn_helper_setsize()
  21 {
  22         setsize(self, self.mins, self.maxs);
  23 }
  24
  25 void target_spawn_useon(entity e)
  26 {
  27         float i, n, valuefieldpos;
  28         string key, value, valuefield, valueoffset, valueoffsetrandom;
  29         entity valueent;
  30         vector data, data2;
  31         entity oldself;
  32         entity oldactivator;
  33         entity kt, t2, t3, t4;
  34
  35         n = tokenize_console(self.message);
  36         self.target_spawn_activator = activator;
  37
  38         kt = find(world, targetname, self.killtarget);
  39         t2 = find(world, targetname, self.target2);
  40         t3 = find(world, targetname, self.target3);
  41         t4 = find(world, targetname, self.target4);
  42
  43         for(i = 0; i < n-1; i += 2)
  44         {
  45                 key = argv(i);
  46                 value = argv(i+1);
  47                 if(key == "$")
  48                 {
  49                         data_x = -1;
  50                         data_y = FIELD_STRING;
  51                 }
  52                 else
  53                 {
  54                         data = stov(db_get(TemporaryDB, strcat("/target_spawn/field/", key)));
  55                         if(data_y == 0) // undefined field, i.e., invalid type
  56                         {
  57                                 print("target_spawn: invalid/unknown entity key ", key, " specified, ignored!\n");
  58                                 continue;
  59                         }
  60                 }
  61                 if(substring(value, 0, 1) == "$")
  62                 {
  63                         value = substring(value, 1, strlen(value) - 1);
  64                         if(substring(value, 0, 1) == "$")
  65                         {
  66                                 // deferred replacement
  67                                 // do nothing
  68                                 // useful for creating target_spawns with this!
  69                         }
  70                         else
  71                         {
  72                                 // replace me!
  73                                 valuefieldpos = strstrofs(value, "+", 0);
  74                                 valueoffset = "";
  75                                 if(valuefieldpos != -1)
  76                                 {
  77                                         valueoffset = substring(value, valuefieldpos + 1, strlen(value) - valuefieldpos - 1);
  78                                         value = substring(value, 0, valuefieldpos);
  79                                 }
  80
  81                                 valuefieldpos = strstrofs(valueoffset, "+", 0);
  82                                 valueoffsetrandom = "";
  83                                 if(valuefieldpos != -1)
  84                                 {
  85                                         valueoffsetrandom = substring(valueoffset, valuefieldpos + 1, strlen(valueoffset) - valuefieldpos - 1);
  86                                         valueoffset = substring(valueoffset, 0, valuefieldpos);
  87                                 }
  88
  89                                 valuefieldpos = strstrofs(value, ".", 0);
  90                                 valuefield = "";
  91                                 if(valuefieldpos != -1)
  92                                 {
  93                                         valuefield = substring(value, valuefieldpos + 1, strlen(value) - valuefieldpos - 1);
  94                                         value = substring(value, 0, valuefieldpos);
  95                                 }
  96
  97                                 if(value == "self")
  98                                 {
  99                                         valueent = self;
 100                                         value = "";
 101                                 }
 102                                 else if(value == "activator")
 103                                 {
 104                                         valueent = activator;
 105                                         value = "";
 106                                 }
 107                                 else if(value == "other")
 108                                 {
 109                                         valueent = other;
 110                                         value = "";
 111                                 }
 112                                 else if(value == "pusher")
 113                                 {
 114                                         if(time < activator.pushltime)
 115                                                 valueent = activator.pusher;
 116                                         else
 117                                                 valueent = world;
 118                                         value = "";
 119                                 }
 120                                 else if(value == "target")
 121                                 {
 122                                         valueent = e;
 123                                         value = "";
 124                                 }
 125                                 else if(value == "killtarget")
 126                                 {
 127                                         valueent = kt;
 128                                         value = "";
 129                                 }
 130                                 else if(value == "target2")
 131                                 {
 132                                         valueent = t2;
 133                                         value = "";
 134                                 }
 135                                 else if(value == "target3")
 136                                 {
 137                                         valueent = t3;
 138                                         value = "";
 139                                 }
 140                                 else if(value == "target4")
 141                                 {
 142                                         valueent = t4;
 143                                         value = "";
 144                                 }
 145                                 else if(value == "time")
 146                                 {
 147                                         valueent = world;
 148                                         value = ftos(time);
 149                                 }
 150                                 else
 151                                 {
 152                                         print("target_spawn: invalid/unknown variable replacement ", value, " specified, ignored!\n");
 153                                         continue;
 154                                 }
 155
 156                                 if(valuefield == "")
 157                                 {
 158                                         if(value == "")
 159                                                 value = ftos(num_for_edict(valueent));
 160                                 }
 161                                 else
 162                                 {
 163                                         if(value != "")
 164                                         {
 165                                                 print("target_spawn: try to get a field of a non-entity, ignored!\n");
 166                                                 continue;
 167                                         }
 168                                         data2 = stov(db_get(TemporaryDB, strcat("/target_spawn/field/", valuefield)));
 169                                         if(data2_y == 0) // undefined field, i.e., invalid type
 170                                         {
 171                                                 print("target_spawn: invalid/unknown entity key replacement ", valuefield, " specified, ignored!\n");
 172                                                 continue;
 173                                         }
 174                                         value = getentityfieldstring(data2_x, valueent);
 175                                 }
 176
 177                                 if(valueoffset != "")
 178                                 {
 179                                         switch(data_y)
 180                                         {
 181                                                 case FIELD_STRING:
 182                                                         value = strcat(value, valueoffset);
 183                                                         break;
 184                                                 case FIELD_FLOAT:
 185                                                         value = ftos(stof(value) + stof(valueoffset));
 186                                                         break;
 187                                                 case FIELD_VECTOR:
 188                                                         value = vtos(stov(value) + stov(valueoffset));
 189                                                         break;
 190                                                 default:
 191                                                         print("target_spawn: only string, float and vector fields can do calculations, calculation ignored!\n");
 192                                                         break;
 193                                         }
 194                                 }
 195
 196                                 if(valueoffsetrandom != "")
 197                                 {
 198                                         switch(data_y)
 199                                         {
 200                                                 case FIELD_FLOAT:
 201                                                         value = ftos(stof(value) + random() * stof(valueoffsetrandom));
 202                                                         break;
 203                                                 case FIELD_VECTOR:
 204                                                         data2 = stov(valueoffsetrandom);
 205                                                         value = vtos(stov(value) + random() * data2_x * '1 0 0' + random() * data2_y * '0 1 0' + random() * data2_z * '0 0 1');
 206                                                         break;
 207                                                 default:
 208                                                         print("target_spawn: only float and vector fields can do random calculations, calculation ignored!\n");
 209                                                         break;
 210                                         }
 211                                 }
 212                         }
 213                 }
 214                 if(key == "$")
 215                 {
 216                         if(substring(value, 0, 1) == "_")
 217                                 value = strcat("target_spawn_helper", value);
 218                         putentityfieldstring(target_spawn_spawnfunc_field, e, value);
 219
 220                         oldself = self;
 221                         oldactivator = activator;
 222
 223                         self = e;
 224                         activator = oldself.target_spawn_activator;
 225
 226                         self.target_spawn_spawnfunc();
 227
 228                         self = oldself;
 229                         activator = oldactivator;
 230                 }
 231                 else
 232                 {
 233                         if(data_y == FIELD_VECTOR)
 234                                 value = strreplace("'", "", value); // why?!?
 235                         putentityfieldstring(data_x, e, value);
 236                 }
 237         }
 238 }
 239
 240 float target_spawn_cancreate()
 241 {
 242         float c;
 243         entity e;
 244
 245         c = self.count;
 246         if(c == 0) // no limit?
 247                 return 1;
 248
 249         ++c; // increase count to not include MYSELF
 250         for(e = world; (e = findfloat(e, target_spawn_id, self.target_spawn_id)); --c)
 251                 ;
 252
 253         // if c now is 0, we have AT LEAST the given count (maybe more), so don't spawn any more
 254         if(c == 0)
 255                 return 0;
 256         return 1;
 257 }
 258
 259 void target_spawn_use()
 260 {
 261         entity e;
 262
 263         if(self.target == "")
 264         {
 265                 // spawn new entity
 266                 if(!target_spawn_cancreate())
 267                         return;
 268                 e = spawn();
 269                 target_spawn_useon(e);
 270                 e.target_spawn_id = self.target_spawn_id;
 271         }
 272         else if(self.target == "*activator")
 273         {
 274                 // edit entity
 275                 if(activator)
 276                         target_spawn_useon(activator);
 277         }
 278         else
 279         {
 280                 // edit entity
 281                 for(e = world; (e = find(e, targetname, self.target)); )
 282                         target_spawn_useon(e);
 283         }
 284 }
 285
 286 void target_spawn_spawnfirst()
 287 {
 288         activator = self.target_spawn_activator;
 289         if(self.spawnflags & 2)
 290                 target_spawn_use();
 291 }
 292
 293 void initialize_field_db()
 294 {
 295         if(!target_spawn_initialized)
 296         {
 297                 float n, i;
 298                 string fn;
 299                 vector prev, new;
 300                 float ft;
 301
 302                 n = numentityfields();
 303                 for(i = 0; i < n; ++i)
 304                 {
 305                         fn = entityfieldname(i);
 306                         ft = entityfieldtype(i);
 307                         new = i * '1 0 0' + ft * '0 1 0' + '0 0 1';
 308                         prev = stov(db_get(TemporaryDB, strcat("/target_spawn/field/", fn)));
 309                         if(prev_y == 0)
 310                         {
 311                                 db_put(TemporaryDB, strcat("/target_spawn/field/", fn), vtos(new));
 312                                 if(fn == "target_spawn_spawnfunc")
 313                                         target_spawn_spawnfunc_field = i;
 314                         }
 315                 }
 316
 317                 target_spawn_initialized = 1;
 318         }
 319 }
 320
 321 void spawnfunc_target_spawn()
 322 {
 323         initialize_field_db();
 324         self.use = target_spawn_use;
 325         self.message = strzone(strreplace("'", "\"", self.message));
 326         self.target_spawn_id = ++target_spawn_count;
 327         InitializeEntity(self, target_spawn_spawnfirst, INITPRIO_LAST);
 328 }
 329
 330
 331 void trigger_relay_if_use()
 332 {
 333         float n;
 334         n = self.count;
 335
 336         // TODO make this generic AND faster than nextent()ing through all, if somehow possible
 337         n = (cvar_string(self.netname) == cvar_string(self.message));
 338         if(self.spawnflags & 1)
 339                 n = !n;
 340
 341         if(n)
 342                 SUB_UseTargets();
 343 }
 344
 345 void spawnfunc_trigger_relay_if()
 346 {
 347         self.use = trigger_relay_if_use;
 348 };