dengapi.d

   1 /* DooM2D: Midnight on the Firing Line
   2  * coded by Ketmar // Invisible Vector <ketmar@ketmar.no-ip.org>
   3  * Understanding is not required. Only obedience.
   4  *
   5  * This program is free software: you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation, either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  */
  18 module dengapi is aliced;
  19
  20 private:
  21 import core.atomic;
  22 import core.thread;
  23 import core.time;
  24
  25 import iv.glbinds;
  26 import glutils;
  27 import console;
  28 import wadarc;
  29
  30 import d2dmap;
  31 import d2dadefs;
  32 import d2dgfx;
  33 import d2dsprite;
  34 import dacs;
  35
  36 import d2dunigrid;
  37 import render;
  38
  39
  40 // ////////////////////////////////////////////////////////////////////////// //
  41 private extern (C) void _d_print_throwable (Throwable t);
  42
  43
  44 // ////////////////////////////////////////////////////////////////////////// //
  45 import arsd.color;
  46 import arsd.png;
  47
  48
  49 // ////////////////////////////////////////////////////////////////////////// //
  50 public __gshared ActorId cameraChick;
  51
  52
  53 // ////////////////////////////////////////////////////////////////////////// //
  54 public void addInternalActorFields () {
  55   // &0xffff: position in drawlist
  56   // (>>16)&0xff: drawlist index
  57   //Actor.addField("0drawlistpos", Actor.Field.Type.Uint);
  58 }
  59
  60
  61 // ////////////////////////////////////////////////////////////////////////// //
  62 public {
  63   enum PLK_UP    = (1<<0);
  64   enum PLK_DOWN  = (1<<1);
  65   enum PLK_LEFT  = (1<<2);
  66   enum PLK_RIGHT = (1<<3);
  67   enum PLK_FIRE  = (1<<4);
  68   enum PLK_JUMP  = (1<<5);
  69   enum PLK_USE   = (1<<6);
  70 }
  71
  72 __gshared uint plrKeysLast;
  73 __gshared uint plrKeyState;
  74
  75
  76 public void plrKeyDown (uint plidx, uint mask) {
  77   if (mask == 0 || plidx > 0) return;
  78   plrKeysLast |= mask;
  79   plrKeyState |= mask;
  80 }
  81
  82
  83 public void plrKeyUp (uint plidx, uint mask) {
  84   if (mask == 0 || plidx > 0) return;
  85   plrKeyState &= ~mask;
  86 }
  87
  88
  89 public void plrKeyUpDown (uint plidx, uint mask, bool down) {
  90   if (down) plrKeyDown(plidx, mask); else plrKeyUp(plidx, mask);
  91 }
  92
  93
  94 void plrKeysFix (uint plidx) {
  95   if (plidx > 0) return;
  96   //conwritefln!"plrKeyState=0x%02x; plrKeysLast=0x%02x"(plrKeyState, plrKeysLast);
  97   foreach (uint n; 0..12) {
  98     if ((plrKeyState&(1<<n)) == 0) plrKeysLast &= ~(1<<n);
  99   }
 100 }
 101
 102
 103 // ////////////////////////////////////////////////////////////////////////// //
 104 void updateActorClasses () {
 105   foreach (string ctype; dacsClassTypes) {
 106     foreach (auto mod; dacsClassModules(ctype)) {
 107       if (mod.rmoduletype.classtype == "map") {
 108         // map scripts, not here
 109       } else {
 110         auto adef = registerActorDef(mod.rmoduletype.classtype, mod.rmoduletype.classname);
 111         conwriteln("found info for actor '", mod.rmoduletype.classtype, ":", mod.rmoduletype.classname, "'");
 112         {
 113           auto animInitFn = FuncPool.findByFQMG(mod.name~".initializeAnim", ":void");
 114           if (animInitFn !is null) adef.setAnimInitFunc(animInitFn);
 115         }
 116         {
 117           auto initFn = FuncPool.findByFQMG(mod.name~".initialize", ":void:Actor");
 118           if (initFn !is null) adef.setInitFunc(initFn);
 119         }
 120         {
 121           auto thinkFn = FuncPool.findByFQMG(mod.name~".think", ":void:Actor");
 122           if (thinkFn !is null) adef.setThinkFunc(thinkFn);
 123         }
 124       }
 125     }
 126   }
 127 }
 128
 129
 130 // ////////////////////////////////////////////////////////////////////////// //
 131 private string modLoader (string modname) {
 132   static string getTextFile (string fname) {
 133     try {
 134       auto res = loadTextFile(fname);
 135       conwriteln("loading DACS module file '", fname, "' (", res.length, " bytes)");
 136       if (res is null) res = "";
 137       return res;
 138     } catch (Exception) {}
 139     return null;
 140   }
 141
 142   string res;
 143
 144   //res = getTextFile(modname~".dacs");
 145   //if (res !is null) return res;
 146
 147   res = getTextFile("scripts/"~modname~".dacs");
 148   if (res !is null) return res;
 149   assert(res is null);
 150
 151   string[] parts = ["scripts"];
 152   string mn = modname;
 153   while (mn.length > 0) {
 154     int pos = 0;
 155     if (mn[0] >= 'A' && mn[0] <= 'Z') ++pos;
 156     while (pos < mn.length && (mn[pos] < 'A' || mn[pos] > 'Z')) ++pos;
 157     if (mn[0] >= 'A' && mn[0] <= 'Z') {
 158       parts ~= cast(char)(mn[0]+32)~mn[1..pos];
 159     } else {
 160       parts ~= mn[0..pos];
 161     }
 162     mn = mn[pos..$];
 163   }
 164   {
 165     import std.array : join;
 166     string path = parts.join("/")~".dacs";
 167     res = getTextFile(path);
 168     if (res !is null) return res;
 169     assert(res is null);
 170   }
 171   assert(res is null);
 172   throw new Exception("module '"~modname~"' not found");
 173 }
 174
 175
 176 __gshared string[] dacsModules;
 177
 178 public void registerWadScripts () {
 179   try {
 180     import std.array : split;
 181     auto t = loadTextFile("scripts/dacsmain.txt");
 182     foreach (string line; t.split('\n')) {
 183       while (line.length && line[0] <= ' ') line = line[1..$];
 184       if (line.length == 0 || line[0] == ';' || line[0] == '#') continue;
 185       while (line.length && line[$-1] <= ' ') line = line[0..$-1];
 186       import std.algorithm : canFind;
 187       if (!dacsModules.canFind(line)) dacsModules ~= line;
 188     }
 189   } catch (Exception e) { return; }
 190 }
 191
 192
 193 public void loadWadScripts () {
 194   if (moduleLoader is null) moduleLoader = (string modname) => modLoader(modname);
 195   try {
 196     //conwriteln("loading main DACS module '", mainmod, "'");
 197     foreach (string mod; dacsModules) parseModule(mod);
 198     parseComplete();
 199     updateActorClasses();
 200     setupDAPI();
 201     dacsFinalizeCompiler();
 202   } catch (CompilerException e) {
 203     _d_print_throwable(e);
 204     conwriteln("PARSE ERROR: ", e.file, " at ", e.line);
 205     conwriteln(e.toString);
 206     assert(0);
 207   }
 208 }
 209
 210
 211 // ////////////////////////////////////////////////////////////////////////// //
 212 public __gshared LevelMap map;
 213 //public __gshared DACSVM dvm;
 214 public __gshared uint prngSyncSeed = 0x29a;
 215 public __gshared uint prngSeed = 0x29a; // unsynced
 216 public __gshared string curmapname;
 217 public __gshared string nextmapname; // nonempty: go to next level
 218
 219 struct MapScripts {
 220   FuncPool.FuncInfo fiInit; // called after level map is loaded
 221   FuncPool.FuncInfo fiLoaded; // called after mosters set
 222   FuncPool.FuncInfo fiUnloading; // called before level is unloaded (i.e. player finished the level)
 223   FuncPool.FuncInfo fiPreThink; // called before monster think
 224   FuncPool.FuncInfo fiPostThink; // called after monster think
 225
 226   void runInit () { if (fiInit !is null) fiInit(); }
 227   void runLoaded () { if (fiLoaded !is null) fiLoaded(); }
 228   void runUnloading () { if (fiUnloading !is null) fiUnloading(); }
 229   void runPreThink () { if (fiPreThink !is null) fiPreThink(); }
 230   void runPostThink () { if (fiPostThink !is null) fiPostThink(); }
 231 }
 232
 233 public __gshared MapScripts mapscripts;
 234
 235
 236 // generate next map name for exit
 237 public string genNextMapName (int lnum) {
 238   import std.algorithm : endsWith;
 239   import std.path;
 240   string ext;
 241   string nn = curmapname;
 242   if (nn.endsWith(".d2m")) {
 243     ext = ".d2m";
 244     nn = nn[0..$-4];
 245   }
 246   if (nn[$-1] < '0' || nn[$-1] > '9') return null;
 247   uint mapnum = 0, mmul = 1;
 248   while (nn.length > 0 && nn[$-1] >= '0' && nn[$-1] <= '9') {
 249     mapnum += (nn[$-1]-'0')*mmul;
 250     mmul *= 10;
 251     nn = nn[0..$-1];
 252   }
 253   ++mapnum;
 254   if (lnum > 0 && lnum < 100) mapnum = lnum;
 255   if (mapnum > 99) return null; // alas
 256   import std.string : format;
 257   return "%s%02u%s".format(nn, mapnum, ext);
 258 }
 259
 260
 261 public void clearMapScripts () {
 262   mapscripts = mapscripts.init; // remove old scripts
 263 }
 264
 265
 266 public void setupMapScripts () {
 267   void setupFromModule(T) (T mod) {
 268     mapscripts.fiInit = FuncPool.findByFQMG(mod.name~".initialize", ":void");
 269     mapscripts.fiLoaded = FuncPool.findByFQMG(mod.name~".loaded", ":void");
 270     mapscripts.fiUnloading = FuncPool.findByFQMG(mod.name~".unloading", ":void");
 271     mapscripts.fiPreThink = FuncPool.findByFQMG(mod.name~".prethink", ":void");
 272     mapscripts.fiPostThink = FuncPool.findByFQMG(mod.name~".postthink", ":void");
 273   }
 274
 275   import std.path : baseName, setExtension;
 276   clearMapScripts();
 277   string mapname = curmapname.baseName.setExtension("");
 278   foreach (string ctype; dacsClassTypes) {
 279     foreach (auto mod; dacsClassModules(ctype)) {
 280       if (mod.rmoduletype.classtype != "map") continue;
 281       if (mod.rmoduletype.classname != mapname) continue;
 282       conwriteln("found module for map '", mapname, "'");
 283       setupFromModule(mod);
 284       return;
 285     }
 286   }
 287   // not found, try "unnamed map"
 288   foreach (string ctype; dacsClassTypes) {
 289     foreach (auto mod; dacsClassModules(ctype)) {
 290       if (mod.rmoduletype.classtype != "map") continue;
 291       if (mod.rmoduletype.classname != " ") continue;
 292       conwriteln("using module for unknownmap '", mapname, "'");
 293       setupFromModule(mod);
 294       return;
 295     }
 296   }
 297 }
 298
 299
 300 // ////////////////////////////////////////////////////////////////////////// //
 301 // Park-Miller-Carta Pseudo-Random Number Generator, based on David G. Carta paper
 302 // 31 bit of randomness
 303 // seed is previous result, as usual
 304 public uint prngR31next (uint seed) {
 305   if (seed == 0) seed = 0x29a;
 306   uint lo = 16807*(seed&0xffff);
 307   uint hi = 16807*(seed>>16);
 308   lo += (hi&0x7fff)<<16;
 309   lo += hi>>15;
 310   //if (lo > 0x7fffffff) lo -= 0x7fffffff; // should be >=, actually
 311   lo = (lo&0x7FFFFFFF)+(lo>>31); // same as previous code, but branch-less
 312   return lo;
 313 }
 314
 315
 316 // "synced" random, using common seed for all players
 317 public uint syncrandu31 () {
 318   pragma(inline, true);
 319   return (prngSyncSeed = prngR31next(prngSyncSeed));
 320 }
 321
 322
 323 // "unsynced" random, seed isn't saved
 324 public uint unsyncrandu31 () {
 325   pragma(inline, true);
 326   return (prngSeed = prngR31next(prngSeed));
 327 }
 328
 329
 330 // ////////////////////////////////////////////////////////////////////////// //
 331 version(dacs_use_vm) {
 332 // this is VAT function, argument order is reversed
 333 void doWrite(bool donl) (FuncPool.FuncInfo fi, DACSVM vm) {
 334   import std.stdio;
 335   auto count = vm.popInt();
 336   while (count-- > 0) {
 337     auto type = vm.popInt();
 338     switch (cast(VATArgType)type) {
 339       case VATArgType.Int: write(vm.popInt()); break;
 340       case VATArgType.Uint: write(vm.popUint()); break;
 341       case VATArgType.Float: write(vm.popFloat()); break;
 342       case VATArgType.StrId: write(StrId(vm.popUint()).get); break;
 343       case VATArgType.ActorId: write("<actor>"); vm.popUint(); break; //TODO
 344       default: write("<invalid-type>"); vm.popUint(); break; //TODO
 345     }
 346   }
 347   static if (donl) writeln();
 348   // push dummy return value
 349   vm.pushInt(0);
 350 }
 351 } else {
 352 extern(C) void doWrite(bool donl) (uint argc, ...) {
 353   import core.vararg;
 354   import std.stdio;
 355   mainloop: while (argc >= 2) {
 356     argc -= 2;
 357     int tp = va_arg!int(_argptr);
 358     switch (tp) {
 359       case VATArgType.Int:
 360         auto v = va_arg!int(_argptr);
 361         write(v);
 362         break;
 363       case VATArgType.Uint:
 364         auto v = va_arg!uint(_argptr);
 365         write(v);
 366         break;
 367       case VATArgType.Float:
 368         auto v = va_arg!float(_argptr);
 369         write(v);
 370         break;
 371       case VATArgType.StrId:
 372         auto v = StrId(va_arg!uint(_argptr)).get;
 373         write(v);
 374         break;
 375       case VATArgType.ActorId:
 376         auto v = ActorId(va_arg!uint(_argptr));
 377         write("<actor:", v.valid, ":", v.id, ">");
 378         //write("<actor>");
 379         break;
 380       default: write("<invalid-type>"); break mainloop;
 381     }
 382   }
 383   static if (donl) writeln();
 384 }
 385 }
 386
 387
 388 // ////////////////////////////////////////////////////////////////////////// //
 389 void animClearFrames (StrId classtype, StrId classname, StrId state) {
 390   auto adef = findActorDef(classtype.get, classname.get);
 391   if (adef is null) throw new Exception("animClearFrames: actor '"~classtype.get~":"~classname.get~"' not found!");
 392   adef.clearFrames(state);
 393 }
 394
 395
 396 void animAddFrame (StrId classtype, StrId classname, StrId state, uint dir, StrId sprname) {
 397   auto adef = findActorDef(classtype.get, classname.get);
 398   if (adef is null) throw new Exception("animAddFrame: actor '"~classtype.get~":"~classname.get~"' not found!");
 399   if (dir != 0) dir = 1; //TODO: process mirror flag here
 400   adef.addFrame(state, dir, sprname);
 401 }
 402
 403
 404 // ////////////////////////////////////////////////////////////////////////// //
 405 void setupDAPI () {
 406   conwriteln("setting up D API");
 407
 408   FuncPool["write"] = &doWrite!false;
 409   FuncPool["writeln"] = &doWrite!true;
 410
 411   FuncPool["syncrandu31"] = &syncrandu31;
 412
 413   FuncPool["animClearFrames"] = &animClearFrames;
 414   FuncPool["animAddFrame"] = &animAddFrame;
 415
 416   FuncPool["actorSetAnimation"] = function void (ActorId me, StrId state) {
 417     if (!me.valid) return;
 418     if (auto adef = findActorDef(me.classtype!string, me.classname!string)) {
 419       me.zAnimstate = state;
 420       me.zAnimidx = 0;
 421     }
 422   };
 423
 424   //FuncPool["getPlayer"] = function ActorId () { assert(0); };
 425   //FuncPool["isPlayer"] = function int (ActorId me) { return (me == players.ptr[0] ? 1 : 0); };
 426
 427   FuncPool["getPlayerCount"] = function int () => 1;
 428
 429   FuncPool["getPlayerActor"] = function ActorId (uint pnum) {
 430     if (pnum == 1) return players.ptr[0];
 431     return ActorId(0);
 432   };
 433
 434   FuncPool["getPlayerButtons"] = function uint (uint pidx) { return (pidx == 1 ? plrKeysLast : 0); };
 435
 436   FuncPool["mapGetTypeTile"] = function int (int x, int y) {
 437     int res = 0;
 438     if (map !is null && x >= 0 && y >= 0 && x < map.width && y < map.height) {
 439       res = map.tiles.ptr[LevelMap.Type].ptr[y*map.width+x];
 440       if (res != LevelMap.TILE_ACTTRAP) res &= 0x7f;
 441     }
 442     return res;
 443   };
 444
 445   FuncPool["mapGetTile"] = function int (uint layer, int x, int y) {
 446     return (map !is null && x >= 0 && y >= 0 && x < map.width && y < map.height && layer >= 0 && layer <= 1 ? map.tiles.ptr[LevelMap.Front+layer].ptr[y*map.width+x] : 0);
 447   };
 448
 449   FuncPool["mapSetTypeTile"] = function void (int x, int y, int tid) {
 450     if (map is null || x < 0 || y < 0 || x >= map.width || y >= map.height || tid < 0 || tid > 255) return;
 451     auto p = map.tiles.ptr[LevelMap.Type].ptr+y*map.width+x;
 452     if (*p != tid) {
 453       *p = cast(ubyte)tid;
 454       import render : mapDirty;
 455       mapDirty((1<<LevelMap.Type)|(1<<LevelMap.LightMask));
 456     }
 457   };
 458
 459   FuncPool["mapSetTile"] = function void (uint layer, int x, int y, int tid) {
 460     if (map is null || layer < 0 || layer > 1 || x < 0 || y < 0 || x >= map.width || y >= map.height || tid < 0 || tid > 255) return;
 461     auto p = map.tiles.ptr[LevelMap.Front+layer].ptr+y*map.width+x;
 462     if (*p != tid) {
 463       *p = cast(ubyte)tid;
 464       import render : mapDirty;
 465       if (layer == 0) {
 466         // front
 467         mapDirty((1<<LevelMap.Front)|(1<<LevelMap.AllLiquids)|(1<<LevelMap.LiquidMask));
 468       } else {
 469         // back
 470         mapDirty((1<<LevelMap.Back)|(1<<LevelMap.AllLiquids)|(1<<LevelMap.LiquidMask));
 471       }
 472     }
 473   };
 474
 475   FuncPool["mapGetWaterTexture"] = function int (int fg) {
 476     if (fg < 0 || fg >= map.wallnames.length) return 0;
 477     switch (map.wallnames.ptr[fg]) {
 478       case "_water_0": return 1;
 479       case "_water_1": return 2;
 480       case "_water_2": return 3;
 481       default:
 482     }
 483     return 0;
 484   };
 485
 486   FuncPool["getMapViewHeight"] = function int () {
 487     import render : vlWidth, vlHeight, getScale;
 488     return vlHeight/getScale;
 489   };
 490
 491   FuncPool["actorsOverlap"] = function int (ActorId a, ActorId b) { return (actorsOverlap(a, b) ? 1 : 0); };
 492
 493   FuncPool["actorRemove"] = function void (ActorId me) {
 494     if (me.valid) {
 495       if ((me.fget_flags&AF_NOCOLLISION) == 0) ugActorModify!false(me); // remove from grid
 496       Actor.remove(me);
 497     }
 498   };
 499
 500   FuncPool["rewindTouchList"] = &rewindTouchList;
 501   FuncPool["getNextTouchListItem"] = &getNextTouchListItem;
 502
 503   FuncPool["actorListRewind"] = &xactorListRewind;
 504   FuncPool["actorListNext"] = &xactorListNext;
 505
 506   FuncPool["getCheatNoDoors"] = function int () { import render : cheatNoDoors; return (cheatNoDoors ? 1 : 0); };
 507   FuncPool["getCheatNoWallClip"] = function int () { import render : cheatNoWallClip; return (cheatNoWallClip ? 1 : 0); };
 508   FuncPool["getCheatNoCeilClip"] = function int () { return 0; };
 509   FuncPool["getCheatNoLiftClip"] = function int () { return 0; };
 510
 511   FuncPool["addMessage"] = function void (string text, int pause, bool noreplace) {
 512     import render : postAddMessage;
 513     postAddMessage(text, pause, noreplace);
 514   };
 515
 516   import d2dparts : dotAddBlood, dotAddSpark, dotAddWater;
 517
 518   FuncPool["dotAddBlood"] = &dotAddBlood;
 519   FuncPool["dotAddSpark"] = &dotAddSpark;
 520   FuncPool["dotAddWater"] = &dotAddWater;
 521   /*
 522     function void (int x, int y, int xv, int yv, int n, int color) {
 523       conwriteln("dotAddWater: x=", x, "; y=", y, "; xv=", xv, "; yv=", yv, "; n=", n, "; color=", color);
 524       dotAddWater(x, y, xv, yv, n, color);
 525     };
 526   */
 527
 528   FuncPool["gactLevelExit"] = function void (int lnum) {
 529     if (nextmapname.length == 0) {
 530       string nmname = genNextMapName(lnum);
 531       if (nmname.length == 0) assert(0, "no level!");
 532       nextmapname = nmname;
 533     }
 534   };
 535
 536   FuncPool["actorSpawn"] = &actorSpawn;
 537
 538   // return previous one
 539   FuncPool["setCameraChick"] = function ActorId (ActorId act) {
 540     auto res = cameraChick;
 541     cameraChick = act;
 542     return res;
 543   };
 544
 545   FuncPool["MapWidth"] = function int () { return (map !is null ? map.width : 1); };
 546   FuncPool["MapHeight"] = function int () { return (map !is null ? map.height : 1); };
 547 }
 548
 549
 550 public void registerAPI () {
 551   //Actor.actorSize += 256;
 552   conwriteln("actor size is ", Actor.actorSize, " bytes");
 553
 554   version(dacs_use_vm) FuncPool.vm = new DACSVM();
 555   //dvm = new DACSVM();
 556
 557   // initialize actor animation
 558   ActorDef.forEach((adef) => adef.callAnimInit());
 559
 560   conwriteln("API registered");
 561 }
 562
 563
 564 // ////////////////////////////////////////////////////////////////////////// //
 565 mixin(Actor.FieldGetMixin!("classtype", StrId)); // fget_classtype
 566 mixin(Actor.FieldGetMixin!("classname", StrId)); // fget_classname
 567 mixin(Actor.FieldGetMixin!("x", int));
 568 mixin(Actor.FieldGetMixin!("y", int));
 569 mixin(Actor.FieldGetMixin!("dir", uint));
 570 mixin(Actor.FieldGetMixin!("height", int));
 571 mixin(Actor.FieldGetMixin!("radius", int));
 572 mixin(Actor.FieldGetMixin!("flags", uint));
 573 mixin(Actor.FieldGetMixin!("zAnimstate", StrId));
 574 mixin(Actor.FieldGetMixin!("zAnimidx", int));
 575
 576 mixin(Actor.FieldSetMixin!("zAnimidx", int));
 577
 578
 579 public bool actorsOverlap (ActorId a, ActorId b) {
 580   if (!a.valid || !b.valid) return false;
 581   if (a.id == b.id) return false; // no self-overlap
 582
 583   int ax = a.fget_x;
 584   int bx = b.fget_x;
 585   int ar = a.fget_radius;
 586   int br = b.fget_radius;
 587
 588   if (ax-ar > bx+br || ax+ar < bx-br) return false;
 589
 590   int ay = a.fget_y;
 591   int by = b.fget_y;
 592   int ah = a.fget_height;
 593   int bh = b.fget_height;
 594
 595   //return (ay > by-bh && ay-ah < by);
 596   return (by-bh <= ay && by >= ay-ah);
 597 }
 598
 599
 600 // ////////////////////////////////////////////////////////////////////////// //
 601 public __gshared ActorId[2] players;
 602
 603
 604 public void loadAllMonsterGraphics () {
 605   ActorDef.forEach((adef) {
 606     conwriteln("loading graphics for '", adef.classtype.get, ":", adef.classname.get, "'");
 607     adef.loadGraphics();
 608   });
 609   //Actor.dumpActors();
 610   realiseSpriteAtlases();
 611 }
 612
 613
 614 ActorId actorSpawn (StrId classtype, StrId classname, int x, int y, uint dir) {
 615   auto adef = findActorDef(classtype, classname);
 616   if (adef is null) return ActorId(0);
 617   auto aid = Actor.alloc;
 618   aid.classtype = classtype;
 619   aid.classname = classname;
 620   aid.state = StrPool.MNST_SLEEP;
 621   aid.x = x;
 622   aid.y = y;
 623   aid.dir = (dir ? 1 : 0);
 624   adef.callInit(aid);
 625   if ((aid.fget_flags&AF_NOCOLLISION) == 0) ugActorModify!true(aid);
 626   return aid;
 627 }
 628
 629
 630 public void loadMapMonsters () {
 631   assert(map !is null);
 632   ugClear();
 633   players[] = ActorId(0);
 634   //conwriteln(players[0].valid, "; ", players[0].id);
 635   foreach (ref thing; map.things) {
 636     if (thing.dmonly) continue;
 637     auto did = (thing.type&0x7fff) in d2dactordefsById;
 638     if (did !is null && did.classtype == "playerstart") {
 639       if ((thing.type&0x7fff) == 1 || (thing.type&0x7fff) == 2) {
 640         int pnum = thing.type-1;
 641         if (!players[pnum].valid) {
 642           auto aid = Actor.alloc;
 643           aid.classtype = StrPool.intern("monster");
 644           aid.classname = StrPool.intern("Player");
 645           aid.plrnum = cast(uint)(pnum+1);
 646           aid.state = StrPool.MNST_SLEEP;
 647           aid.x = cast(int)thing.x;
 648           aid.y = cast(int)thing.y;
 649           aid.dir = cast(uint)(thing.right ? 1 : 0);
 650           auto adef = findD2DActorDef(thing.type);
 651           if (adef is null) assert(0);
 652           adef.callInit(aid);
 653           if ((aid.fget_flags&AF_NOCOLLISION) == 0) ugActorModify!true(aid);
 654           players[pnum] = aid;
 655           conwriteln("player #", pnum+1, " aid is ", aid.id);
 656         }
 657       }
 658       continue;
 659     }
 660     auto adef = findD2DActorDef(thing.type&0x7fff);
 661     if (adef is null) {
 662       if (did !is null) {
 663         conwriteln("ignoring D2D thing '", did.classtype.get, ":", did.classname.get, "'");
 664       } else {
 665         conwriteln("ignoring unknown D2D thing with mapid ", thing.type);
 666       }
 667       continue;
 668     }
 669     // create actor and initialize it
 670     auto aid = Actor.alloc;
 671     aid.classtype = StrPool.intern(adef.classtype);
 672     aid.classname = StrPool.intern(adef.classname);
 673     //conwriteln("found '", aid.classtype.get, ":", aid.classname.get, "'");
 674     if (did !is null) {
 675       assert(did.classtype == adef.classtype);
 676       assert(did.classname == adef.classname);
 677       conwriteln("mapid=", thing.type, "; ", adef.classtype, ":", adef.classname, "; id=", aid.id);
 678       assert(aid.classtype!string == adef.classtype);
 679       assert(aid.classname!string == adef.classname);
 680     } else {
 681       assert(0);
 682     }
 683     aid.state = StrPool.MNST_SLEEP;
 684     aid.x = cast(int)thing.x;
 685     aid.y = cast(int)thing.y;
 686     aid.dir = cast(uint)(thing.right ? 1 : 0);
 687     if (thing.type&0x8000) aid.flags = aid.fget_flags|AF_NOGRAVITY;
 688     //if (aid.classtype!string == "item" && aid.x!int < 64) { aid.x = 92; aid.y = aid.y!int-16; conwriteln("!!!"); }
 689     adef.callInit(aid);
 690     if ((aid.fget_flags&AF_NOCOLLISION) == 0) ugActorModify!true(aid);
 691   }
 692
 693   // create switches
 694   foreach (ref sw; map.switches) {
 695     if (sw.type == 0) continue; // just in case
 696     auto swname = getD2DSwitchClassName(sw.type);
 697     if (swname.length == 0) {
 698       conwriteln("unknown switch type ", sw.type);
 699       continue;
 700     }
 701     if (auto adef = findActorDef("switch", swname)) {
 702       auto aid = Actor.alloc;
 703       aid.classtype = StrPool.intern("switch");
 704       aid.classname = StrPool.intern(swname);
 705       // nocollision, 'cause collision checking will be processed in switch thinker, but other actors should not touch switches
 706       aid.flags = /*AF_NOCOLLISION|*/AF_NOGRAVITY|/*AF_NOONTOUCH|*/AF_NODRAW|AF_NOLIGHT|AF_NOANIMATE;
 707       aid.x = sw.x*TileSize;
 708       aid.y = sw.y*TileSize;
 709       aid.switchabf = (sw.a<<16)|(sw.b<<8)|sw.flags;
 710       // should be enough
 711       aid.radius = 16;
 712       aid.height = 16;
 713       adef.callInit(aid);
 714       if ((aid.fget_flags&AF_NOCOLLISION) == 0) ugActorModify!true(aid); // just in case
 715     } else {
 716       conwriteln("switch definition 'switch:", swname, "' not found");
 717     }
 718   }
 719
 720   conwriteln("initial snapshot size: ", Actor.snapshotSize, " bytes");
 721 }
 722
 723
 724 // ////////////////////////////////////////////////////////////////////////// //
 725 __gshared ActorId[65536] xactorList; // aids
 726 __gshared uint xactorListCount, xactorListIndex = uint.max;
 727
 728
 729 // dacs API
 730 void xactorListRewind () {
 731   if (!touchListAllowed) return; // it's ok to reuse it here
 732   xactorListCount = xactorListIndex = 0;
 733   Actor.forEach((ActorId me) {
 734     if (me.fget_classtype != StrPool.X_X) xactorList.ptr[xactorListCount++] = me;
 735   });
 736 }
 737
 738
 739 // dacs API
 740 ActorId xactorListNext () {
 741   if (!touchListAllowed) return ActorId(0); // it's ok to reuse it here
 742   if (xactorListIndex == uint.max) xactorListRewind();
 743   while (xactorListIndex < xactorListCount) {
 744     auto aid = xactorList.ptr[xactorListIndex];
 745     ++xactorListIndex;
 746     if (aid.fget_classtype == StrPool.X_X) continue;
 747     return aid;
 748   }
 749   return ActorId(0);
 750 }
 751
 752
 753 // ////////////////////////////////////////////////////////////////////////// //
 754 __gshared uint[65536] touchList; // aids
 755 __gshared uint[] realTouchList;
 756 __gshared uint realTouchListIndex = uint.max;
 757 __gshared ActorId curThinkingActor;
 758 __gshared bool touchListAllowed = false;
 759
 760
 761 // dacs API
 762 void rewindTouchList () {
 763   if (!touchListAllowed) return;
 764   realTouchListIndex = 0;
 765   realTouchList = ugActorHitList(curThinkingActor, touchList[]);
 766 }
 767
 768
 769 // dacs API
 770 ActorId getNextTouchListItem () {
 771   if (!touchListAllowed) return ActorId(0);
 772   if (realTouchListIndex == uint.max) rewindTouchList();
 773   while (realTouchListIndex < realTouchList.length) {
 774     auto aid = ActorId(realTouchList.ptr[realTouchListIndex]);
 775     ++realTouchListIndex;
 776     if (aid.fget_classtype == StrPool.X_X) continue;
 777     if (aid.valid && (aid.fget_flags&AF_NOONTOUCH) == 0) return aid;
 778   }
 779   return ActorId(0);
 780 }
 781
 782
 783 public void doActorsThink () {
 784   // we have too much memory!
 785   __gshared uint[65536] validActorsList;
 786   __gshared ActorId[65536] postponedDeath;
 787   __gshared uint pdcount;
 788
 789   touchListAllowed = true;
 790   scope(exit) touchListAllowed = false;
 791   pdcount = 0;
 792   mapscripts.runPreThink();
 793   foreach (uint xid; Actor.getValidList(validActorsList[])) {
 794     auto me = ActorId(xid);
 795     if (me.valid) {
 796       if (me.fget_classtype == StrPool.X_X) { postponedDeath.ptr[pdcount++] = me; continue; }
 797       auto flags = me.fget_flags;
 798       if ((flags&AF_NOCOLLISION) == 0) ugActorModify!false(me); // remove from grid
 799       if (auto adef = findActorDef(me)) {
 800         if ((flags&AF_NOTHINK) == 0) {
 801           realTouchListIndex = uint.max;
 802           xactorListIndex = uint.max;
 803           curThinkingActor = me;
 804           adef.callThink(me);
 805           //if (me.x!int < 32) conwriteln("actor: ", me.id, "; attLightRGBX=", me.attLightRGBX!uint);
 806           if (!me.valid) continue; // we are dead
 807           if (me.fget_classtype == StrPool.X_X) { postponedDeath.ptr[pdcount++] = me; continue; }
 808           flags = me.fget_flags; // in case script updated flags
 809         }
 810         if ((flags&AF_NOANIMATE) == 0) {
 811           int aidx = me.fget_zAnimidx;
 812           int nidx = adef.nextAnimIdx(me.fget_zAnimstate, me.fget_dir, aidx);
 813           //conwriteln("actor ", me.id, " (", me.classtype!string, me.classname!string, "): state=", me.zAnimstate!string, "; aidx=", aidx, "; nidx=", nidx);
 814           me.fset_zAnimidx = nidx;
 815           //assert(me.fget_zAnimidx == nidx);
 816         }
 817         // put back to grid
 818         if ((flags&AF_NOCOLLISION) == 0) ugActorModify!true(me);
 819       }
 820     }
 821   }
 822   mapscripts.runPostThink();
 823   // process scheduled death
 824   foreach (ActorId aid; postponedDeath[0..pdcount]) {
 825     /*if ((flags&AF_NOCOLLISION) == 0)*/ ugActorModify!false(aid); // remove from grid
 826     Actor.remove(aid);
 827   }
 828   // reset player keys
 829   plrKeysFix(0);
 830   //{ import std.stdio : stdout; stdout.writeln("========================================="); }
 831   //Actor.dumpActors();
 832 }