MG Mud User | 88f1247 | 2016-06-24 23:31:02 +0200 | [diff] [blame^] | 1 | // MorgenGrauen MUDlib |
| 2 | // |
| 3 | // container/restrictions.c -- container restrictions |
| 4 | // |
| 5 | // $Id: restrictions.c 9020 2015-01-10 21:49:41Z Zesstra $ |
| 6 | |
| 7 | // This is a simple container to put objects in. It defines all functions |
| 8 | // which are necessary to describe an object which can be filled with |
| 9 | // other things. |
| 10 | // |
| 11 | // It will support restrictions for volume, weight etc. |
| 12 | // |
| 13 | // The following properties are defined: |
| 14 | // P_MAX_WEIGHT - maximum weight which container can carry |
| 15 | // P_TOTAL_WEIGHT - total weight, with contents. |
| 16 | // P_WEIGHT - the weight of the container without contents |
| 17 | // |
| 18 | // Functions for manipulation of weight |
| 19 | // MayAddWeight(weight) - Can <weight> be inserted? |
| 20 | // AddWeight(weight) - Add an amount of <weight> |
| 21 | // |
| 22 | // IMPORTANT: unit equals 1 gram |
| 23 | |
| 24 | #pragma strict_types |
| 25 | #pragma save_types |
| 26 | //#pragma range_check |
| 27 | #pragma no_clone |
| 28 | #pragma pedantic |
| 29 | |
| 30 | #define NEED_PROTOTYPES |
| 31 | |
| 32 | #include "/sys/thing/properties.h" |
| 33 | #include <properties.h> |
| 34 | #include <defines.h> |
| 35 | #include <thing/description.h> |
| 36 | |
| 37 | // local properties prototypes |
| 38 | static int _query_total_weight(); |
| 39 | |
| 40 | |
| 41 | private nosave int LastWeightCalc, contents, LastObjectCount, objcount; |
| 42 | private nosave int last_content_change; |
| 43 | |
| 44 | |
| 45 | void create() |
| 46 | { |
| 47 | Set( P_WEIGHT_PERCENT, 50 ); |
| 48 | Set( P_TOTAL_WEIGHT, NOSETMETHOD, F_SET_METHOD ); |
| 49 | Set( P_TOTAL_WEIGHT, PROTECTED, F_MODE ); |
| 50 | Set( P_MAX_OBJECTS, 100 ); |
| 51 | Set( P_TOTAL_OBJECTS, NOSETMETHOD, F_SET_METHOD ); |
| 52 | Set( P_TOTAL_OBJECTS, PROTECTED, F_MODE ); |
| 53 | LastWeightCalc = -1; |
| 54 | LastObjectCount = -1; |
| 55 | } |
| 56 | |
| 57 | |
| 58 | static int _query_last_content_change() |
| 59 | { |
| 60 | return last_content_change; |
| 61 | } |
| 62 | |
| 63 | |
| 64 | // absichtlich public, da es von der simul_efun.c *direkt* aufgerufen |
| 65 | // wird aus Performancegruenden! |
| 66 | public varargs int _set_last_content_change( mixed wert ) |
| 67 | { |
| 68 | // Der uebergebene Wert ist unerheblich. Die Property |
| 69 | // P_LAST_CONTENT_CHANGE wird so oder so bei jedem SetProp()- |
| 70 | // Aufruf um eins erhoeht, um der 2s-"Unschaerfe" von time() |
| 71 | // aus dem Weg zu gehen. |
| 72 | return ++last_content_change; |
| 73 | } |
| 74 | |
| 75 | |
| 76 | int query_weight_contents() |
| 77 | { |
| 78 | object *objs; |
| 79 | int w, w2, i; |
| 80 | |
| 81 | if ( last_content_change == LastWeightCalc ) |
| 82 | return contents; |
| 83 | |
| 84 | w = 0; |
| 85 | objs = all_inventory(this_object()); |
| 86 | i = sizeof(objs); |
| 87 | |
| 88 | while ( i-- ){ |
| 89 | if ( !(w2 = (int)objs[i]->QueryProp(P_TOTAL_WEIGHT)) ) |
| 90 | w2 = (int)objs[i]->QueryProp(P_WEIGHT); |
| 91 | w += w2; |
| 92 | } |
| 93 | |
| 94 | LastWeightCalc = last_content_change; |
| 95 | return contents = w; |
| 96 | } |
| 97 | |
| 98 | |
| 99 | static int _query_total_objects() |
| 100 | { |
| 101 | if ( last_content_change == LastObjectCount ) |
| 102 | return objcount; |
| 103 | |
| 104 | objcount = sizeof( filter_objects( all_inventory(), "short" ) ); |
| 105 | LastObjectCount = last_content_change; |
| 106 | return objcount; |
| 107 | } |
| 108 | |
| 109 | |
| 110 | // diese Funktion sollte von Raeumen natuerlich ueberschrieben werden... |
| 111 | int MayAddObject( object ob ) |
| 112 | { |
| 113 | if (ob) { |
| 114 | if ( !ob->short() ) |
| 115 | return 1; // invis-Objekte duerfen immer |
| 116 | |
| 117 | if ( ob == ME || environment(ob) == ME) |
| 118 | return 1; // objekt ist schon drin |
| 119 | } |
| 120 | |
| 121 | return (QueryProp(P_TOTAL_OBJECTS) < QueryProp(P_MAX_OBJECTS)); |
| 122 | } |
| 123 | |
| 124 | |
| 125 | #define ENV environment |
| 126 | #define PO previous_object() |
| 127 | |
| 128 | int MayAddWeight( int w ) |
| 129 | { |
| 130 | int nw, aw; |
| 131 | |
| 132 | // was nix wiegt, passt |
| 133 | if ( w <= 0 ) |
| 134 | return 0; |
| 135 | |
| 136 | nw = w; // Gewicht im neuen Container |
| 137 | aw = 0; // Gewicht fuer das env() |
| 138 | |
| 139 | // Von Raum in Behaelter im Spieler: Container sieht volles Gewicht (nw=w), |
| 140 | // Check im env() (Spieler) mit reduziertem Gewicht. |
| 141 | if ( ENV() && PO && ENV(PO) != ENV() ) |
| 142 | aw = QueryProp(P_WEIGHT_PERCENT) * w / 100 || 1; |
| 143 | |
| 144 | if ( PO && ENV(PO) && ENV(ENV(PO)) ){ |
| 145 | // Wenn das Objekt ein env() hochbewegt wird, wird das Gewicht im alten |
| 146 | // Container abgezogen. Weiterer Check im env() ist unnoetig (aw=0). |
| 147 | if ( ENV(ENV(PO)) == ME ) |
| 148 | nw = w - (int)ENV(PO)->QueryProp(P_WEIGHT_PERCENT) * w / 100; |
| 149 | // Eine Ebene tiefer bewegen: Test im neuen Container mit unveraendertem |
| 150 | // Gewicht; Check im env() mit um Gewichtsreduktion verringertem Gewicht |
| 151 | else if ( present( ME, ENV(PO) ) ) |
| 152 | aw = QueryProp(P_WEIGHT_PERCENT) * w / 100 - w; |
| 153 | // Auf derselben Ebene verschieben (von Paket in Beutel): |
| 154 | // Neuer Container sieht volles Gewicht (nw=w), Check im env() mit |
| 155 | // Differenz aus Gewicht in Container1 und in Container2. |
| 156 | else if ( ENV(ENV(ENV(PO))) && ENV() == ENV(ENV(PO)) ) |
| 157 | aw = QueryProp(P_WEIGHT_PERCENT) * w / 100 |
| 158 | - ((int)ENV(PO)->QueryProp(P_WEIGHT_PERCENT) * w / 100 || 1); |
| 159 | } |
| 160 | |
| 161 | if ( query_weight_contents() + nw > QueryProp(P_MAX_WEIGHT) ) |
| 162 | // Container kann Gewicht nicht mehr aufnehmen |
| 163 | return -1; |
| 164 | |
| 165 | if ( aw && ENV()->MayAddWeight(aw) < 0 ) |
| 166 | // Umgebung des Containers kann Gewicht nicht mehr aufnehmen |
| 167 | return -2; |
| 168 | |
| 169 | return 0; |
| 170 | } |
| 171 | |
| 172 | |
| 173 | /* Redefine PreventInsert() to prevent inserting of special objects. If |
| 174 | * a value greater 0 is returned the object ob can't be inserted in the |
| 175 | * container. |
| 176 | */ |
| 177 | public int PreventInsert( object ob ) { return 0; } |
| 178 | public int PreventLeave( object ob, mixed dest ) { return 0; } |
| 179 | public int PreventInsertLiving( object ob ) { return 0; } |
| 180 | public int PreventLeaveLiving( object ob, mixed dest ) { return 0; } |
| 181 | public void NotifyInsert(object ob, object oldenv) { } |
| 182 | |
| 183 | // **** local property methods |
| 184 | static int _query_total_weight() |
| 185 | { |
| 186 | return QueryProp(P_WEIGHT) + |
| 187 | (QueryProp(P_WEIGHT_PERCENT) * query_weight_contents() / 100); |
| 188 | } |
| 189 | |
| 190 | |
| 191 | // Hilfsfunktion |
| 192 | static int _behalten( object ob, string uid ) |
| 193 | { |
| 194 | return (string)ob->QueryProp(P_KEEP_ON_SELL) == uid; |
| 195 | } |
| 196 | |
| 197 | |
| 198 | /* |
| 199 | * |
| 200 | * get a list of all contained objects matching a complex description |
| 201 | * |
| 202 | */ |
| 203 | |
| 204 | #define POS_INVERS 0x01 /* nur zur funktionsinternen Verwendung */ |
| 205 | #define POS_LETZTES 0x02 /* nur zur funktionsinternen Verwendung */ |
| 206 | |
| 207 | object *present_objects( string complex_desc ) |
| 208 | { |
| 209 | int i; // Zaehlervariable |
| 210 | int meth; // 0x01 = invers?, 0x02 = letztes? |
| 211 | object ob; // einzelnes temporaeres Objekt |
| 212 | object *obs; // liste der ausgewaehlten Objekte |
| 213 | object *erg; // zum sammeln bis es nachher zurueckgegeben wird... |
| 214 | string *strlst; // liste aller Gruppen die mit AND verknuepft sind |
| 215 | object haufen; |
| 216 | |
| 217 | strlst = allocate(2); |
| 218 | |
| 219 | if ( sscanf( complex_desc, "%s ausser %s", strlst[0], strlst[1]) == 2 ){ |
| 220 | erg = present_objects( strlst[0] ); |
| 221 | obs = present_objects( strlst[1] ); |
| 222 | return erg-obs; |
| 223 | } |
| 224 | |
| 225 | strlst = explode( complex_desc, " und " ); |
| 226 | erg = ({}); |
| 227 | |
| 228 | for ( i = sizeof(strlst); i--; ) |
| 229 | { |
| 230 | complex_desc = strlst[i]; |
| 231 | // auf letzte/letztes/letzten pruefen... |
| 232 | if ( complex_desc[0..5] == "letzte" ){ |
| 233 | switch( complex_desc[6..6] ){ |
| 234 | case " ": |
| 235 | meth |= POS_LETZTES; |
| 236 | complex_desc = complex_desc[7..]; |
| 237 | break; |
| 238 | case "s": |
| 239 | case "n": |
| 240 | case "m": |
| 241 | case "r": |
| 242 | if ( complex_desc[7..7] != " " ) |
| 243 | break; |
| 244 | meth |= POS_LETZTES; |
| 245 | complex_desc = complex_desc[8..]; |
| 246 | break; |
| 247 | default: |
| 248 | } |
| 249 | } |
| 250 | |
| 251 | // auf verneinung pruefen |
| 252 | if ( complex_desc[0..5] == "nicht " ){ |
| 253 | meth |= POS_INVERS; |
| 254 | complex_desc = complex_desc[6..]; |
| 255 | } |
| 256 | |
| 257 | obs=({}); |
| 258 | // nun nach Main-Ids (Gruppen) suchen... |
| 259 | if ( meth & POS_LETZTES ) |
| 260 | { // geht es nur um den letzten Gegenstand? |
| 261 | switch( complex_desc ){ |
| 262 | case "waffe": |
| 263 | obs = filter_objects( all_inventory(), "QueryProp", |
| 264 | P_WEAPON_TYPE ); |
| 265 | break; |
| 266 | |
| 267 | case "ruestung": |
| 268 | obs = filter_objects( all_inventory(), "QueryProp", |
| 269 | P_ARMOUR_TYPE ); |
| 270 | break; |
| 271 | |
| 272 | case "kleidung": |
| 273 | obs = filter_objects( all_inventory(), "IsClothing"); |
| 274 | break; |
| 275 | |
| 276 | case "verschiedenem": |
| 277 | case "verschiedenes": |
| 278 | obs = all_inventory(); |
| 279 | obs -= filter_objects( obs, "QueryProp", P_WEAPON_TYPE ); |
| 280 | obs -= filter_objects( obs, "QueryProp", P_ARMOUR_TYPE ); |
| 281 | obs -= filter_objects( obs, "IsClothing"); |
| 282 | obs -= filter( obs, #'living/*'*/ ); |
| 283 | break; |
| 284 | |
| 285 | case "eigenes": |
| 286 | case "meins": |
| 287 | if (objectp(haufen=present("\nhaufen "+ |
| 288 | this_player()->name(WEM)))) { |
| 289 | obs = all_inventory(haufen); |
| 290 | } |
| 291 | // kein break;, Fall-through! |
| 292 | case "behaltenem": |
| 293 | case "behaltenes": |
| 294 | obs += filter( all_inventory(), "_behalten", ME, |
| 295 | getuid(this_player() || previous_object()) ); |
| 296 | |
| 297 | obs += (QueryProp(P_ARMOURS) || ({})) |
| 298 | + ({ QueryProp(P_WEAPON) }) - ({ 0 }); |
| 299 | break; |
| 300 | |
| 301 | case "gegenstand": |
| 302 | obs = all_inventory() - |
| 303 | filter( all_inventory(), #'living/*'*/ ); |
| 304 | break; |
| 305 | |
| 306 | default: |
| 307 | obs = filter_objects( all_inventory(), "id", complex_desc ); |
| 308 | } |
| 309 | |
| 310 | // unsichtbare objekte entfernen |
| 311 | obs = filter_objects( obs, "short" ); |
| 312 | |
| 313 | // letzten Gegenstand raussuchen |
| 314 | obs = obs[0..0]; |
| 315 | } // if (letzter Gegenstand) |
| 316 | else |
| 317 | { // ganze Gruppen und nicht nur das letzte Objekt |
| 318 | switch ( complex_desc ) |
| 319 | { |
| 320 | case "allem": |
| 321 | case "alles": |
| 322 | case "jeden gegenstand": |
| 323 | case "jedem gegenstand": |
| 324 | case "gegenstaende": |
| 325 | case "alle gegenstaende": |
| 326 | case "allen gegenstaenden": |
| 327 | if ( meth & POS_INVERS ) |
| 328 | continue; // alles nicht = nichts :) |
| 329 | |
| 330 | obs = all_inventory() - |
| 331 | filter( all_inventory(), #'living/*'*/ ); |
| 332 | break; |
| 333 | |
| 334 | case "waffen": |
| 335 | case "jede waffe": |
| 336 | case "jeder waffe": |
| 337 | case "alle waffen": |
| 338 | case "allen waffen": |
| 339 | obs = filter_objects( all_inventory(), "QueryProp", |
| 340 | P_WEAPON_TYPE ); |
| 341 | break; |
| 342 | |
| 343 | case "ruestungen": |
| 344 | case "jede ruestung": |
| 345 | case "jeder ruestung": |
| 346 | case "alle ruestungen": |
| 347 | case "allen ruestungen": |
| 348 | obs = filter_objects( all_inventory(), "QueryProp", |
| 349 | P_ARMOUR_TYPE ); |
| 350 | break; |
| 351 | |
| 352 | case "kleidung": |
| 353 | case "jede kleidung": |
| 354 | case "jeder kleidung": |
| 355 | case "alle kleidung": |
| 356 | case "allen kleidung": |
| 357 | obs = filter_objects( all_inventory(), "IsClothing"); |
| 358 | break; |
| 359 | |
| 360 | case "gegenstand": |
| 361 | obs = filter_objects( all_inventory() - |
| 362 | filter( all_inventory(), |
| 363 | #'living/*'*/ ), |
| 364 | "short" )[0..0]; |
| 365 | break; |
| 366 | |
| 367 | case "verschiedenem": |
| 368 | case "verschiedenes": |
| 369 | obs = all_inventory(); |
| 370 | obs -= filter_objects( obs, "QueryProp", P_WEAPON_TYPE ); |
| 371 | obs -= filter_objects( obs, "QueryProp", P_ARMOUR_TYPE ); |
| 372 | obs -= filter_objects( obs, "IsClothing"); |
| 373 | obs -= filter( obs, #'living/*'*/ ); |
| 374 | break; |
| 375 | |
| 376 | case "eigenes": |
| 377 | case "eigenem": |
| 378 | case "eigenen": |
| 379 | case "meins": |
| 380 | case "alles eigene": |
| 381 | if (objectp(haufen=present("\nhaufen "+ |
| 382 | this_player()->name(WEM)))) { |
| 383 | obs = all_inventory(haufen); |
| 384 | } |
| 385 | // kein break;, Fall-through! |
| 386 | case "behaltenem": |
| 387 | case "behaltenen": |
| 388 | case "behaltenes": |
| 389 | case "alles behaltene": |
| 390 | obs += filter( all_inventory(), "_behalten", ME, |
| 391 | getuid(this_player() || previous_object()) ); |
| 392 | |
| 393 | obs += (QueryProp(P_ARMOURS) || ({})) |
| 394 | + ({ QueryProp(P_WEAPON) }) - ({ 0 }); |
| 395 | break; |
| 396 | |
| 397 | default: |
| 398 | if ( complex_desc[0..3] == "jede" || |
| 399 | complex_desc[0..4] == "alle ") |
| 400 | { |
| 401 | if ( complex_desc[4..4] == " " ) |
| 402 | { |
| 403 | obs = filter_objects( all_inventory(), "id", |
| 404 | complex_desc[5..] ); |
| 405 | break; |
| 406 | } |
| 407 | else |
| 408 | { |
| 409 | switch( complex_desc[4..5] ) |
| 410 | { |
| 411 | case "m ": |
| 412 | case "r ": |
| 413 | case "n ": |
| 414 | case "s ": |
| 415 | obs = filter_objects( all_inventory(), "id", |
| 416 | complex_desc[6..] ); |
| 417 | break; |
| 418 | |
| 419 | default: |
| 420 | obs = 0; |
| 421 | } |
| 422 | if (obs) |
| 423 | break; |
| 424 | } |
| 425 | } |
| 426 | |
| 427 | // Der Normalfall: einzelne ID... |
| 428 | ob = present( complex_desc, ME ); |
| 429 | // Achtung: dieser Teil setzt das for() fort (continue) und |
| 430 | // umgeht dabei die Pruefung auf Sichtbarkeit nach dem Ende vom |
| 431 | // switch(). Aus diesem Grunde muss hier selber geprueft |
| 432 | // werden. |
| 433 | if ( meth & POS_INVERS ) |
| 434 | { |
| 435 | if ( ob && ob != ME ) |
| 436 | erg += (filter_objects( all_inventory(), "short" ) |
| 437 | - ({ ob }) ); |
| 438 | else |
| 439 | erg += filter_objects( all_inventory(), "short" ); |
| 440 | } |
| 441 | else if ( ob && ob != ME && !ob->QueryProp(P_INVIS) ) |
| 442 | erg += ({ ob }); //Normalfall: einzelne ID |
| 443 | |
| 444 | continue; |
| 445 | |
| 446 | } // switch |
| 447 | // unsichtbare objekte entfernen |
| 448 | obs = filter_objects( obs, "short" ); |
| 449 | } // else |
| 450 | |
| 451 | if ( meth & POS_INVERS ) |
| 452 | erg += ( filter_objects( all_inventory(), "short" ) - obs ); |
| 453 | else |
| 454 | erg += obs; |
| 455 | } // for |
| 456 | return erg; |
| 457 | } |
| 458 | |
| 459 | /* |
| 460 | * returns a list of all found objects inside itself |
| 461 | * may call same function in objects inside |
| 462 | * |
| 463 | * Funktion wird nicht mehr von put_and_get aufgerufen, stattdessen wird |
| 464 | * direkt present_objects benutzt! |
| 465 | */ |
| 466 | object *locate_objects( string complex_desc, int info ) { |
| 467 | string was, wo; |
| 468 | |
| 469 | if ( sscanf( complex_desc, "%s in %s", was, wo ) == 2 ){ |
| 470 | object *found_obs = ({}); |
| 471 | foreach(object invob: present_objects(wo)) { |
| 472 | // || ({}) weil invob ein Objekt ohne locate_objects() sein koennte. |
| 473 | found_obs += (object *)invob->locate_objects( was, info) || ({}); |
| 474 | } |
| 475 | return found_obs; |
| 476 | } |
| 477 | // kein "in" gefunden |
| 478 | return present_objects( complex_desc ); |
| 479 | } |
| 480 | |