qcsrc/common/mapobjects/target/spawn.qc

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