/* ScummVM - Scumm Interpreter * Copyright (C) 2001 Ludvig Strigeus * Copyright (C) 2001-2003 The ScummVM project * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * $Header$ * */ #include "stdafx.h" #include "scumm.h" #include "actor.h" #include "charset.h" #include "intern.h" #include "sound.h" #include "verbs.h" #define OPCODE(x) { &Scumm_v5::x, #x } void Scumm_v5::setupOpcodes() { static const OpcodeEntryV5 opcodes[256] = { /* 00 */ OPCODE(o5_stopObjectCode), OPCODE(o5_putActor), OPCODE(o5_startMusic), OPCODE(o5_getActorRoom), /* 04 */ OPCODE(o5_isGreaterEqual), OPCODE(o5_drawObject), OPCODE(o5_getActorElevation), OPCODE(o5_setState), /* 08 */ OPCODE(o5_isNotEqual), OPCODE(o5_faceActor), OPCODE(o5_startScript), OPCODE(o5_getVerbEntrypoint), /* 0C */ OPCODE(o5_resourceRoutines), OPCODE(o5_walkActorToActor), OPCODE(o5_putActorAtObject), OPCODE(o5_getObjectState), /* 10 */ OPCODE(o5_getObjectOwner), OPCODE(o5_animateActor), OPCODE(o5_panCameraTo), OPCODE(o5_actorSet), /* 14 */ OPCODE(o5_print), OPCODE(o5_actorFromPos), OPCODE(o5_getRandomNr), OPCODE(o5_and), /* 18 */ OPCODE(o5_jumpRelative), OPCODE(o5_doSentence), OPCODE(o5_move), OPCODE(o5_multiply), /* 1C */ OPCODE(o5_startSound), OPCODE(o5_ifClassOfIs), OPCODE(o5_walkActorTo), OPCODE(o5_isActorInBox), /* 20 */ OPCODE(o5_stopMusic), OPCODE(o5_putActor), OPCODE(o5_getAnimCounter), OPCODE(o5_getActorY), /* 24 */ OPCODE(o5_loadRoomWithEgo), OPCODE(o5_pickupObject), OPCODE(o5_setVarRange), OPCODE(o5_stringOps), /* 28 */ OPCODE(o5_equalZero), OPCODE(o5_setOwnerOf), OPCODE(o5_startScript), OPCODE(o5_delayVariable), /* 2C */ OPCODE(o5_cursorCommand), OPCODE(o5_putActorInRoom), OPCODE(o5_delay), OPCODE(o5_ifNotState), /* 30 */ OPCODE(o5_matrixOps), OPCODE(o5_getInventoryCount), OPCODE(o5_setCameraAt), OPCODE(o5_roomOps), /* 34 */ OPCODE(o5_getDist), OPCODE(o5_findObject), OPCODE(o5_walkActorToObject), OPCODE(o5_startObject), /* 38 */ OPCODE(o5_lessOrEqual), OPCODE(o5_doSentence), OPCODE(o5_subtract), OPCODE(o5_getActorScale), /* 3C */ OPCODE(o5_stopSound), OPCODE(o5_findInventory), OPCODE(o5_walkActorTo), OPCODE(o5_drawBox), /* 40 */ OPCODE(o5_cutscene), OPCODE(o5_putActor), OPCODE(o5_chainScript), OPCODE(o5_getActorX), /* 44 */ OPCODE(o5_isLess), OPCODE(o5_drawObject), OPCODE(o5_increment), OPCODE(o5_setState), /* 48 */ OPCODE(o5_isEqual), OPCODE(o5_faceActor), OPCODE(o5_startScript), OPCODE(o5_getVerbEntrypoint), /* 4C */ OPCODE(o5_soundKludge), OPCODE(o5_walkActorToActor), OPCODE(o5_putActorAtObject), OPCODE(o5_ifState), /* 50 */ OPCODE(o5_pickupObjectOld), OPCODE(o5_animateActor), OPCODE(o5_actorFollowCamera), OPCODE(o5_actorSet), /* 54 */ OPCODE(o5_setObjectName), OPCODE(o5_actorFromPos), OPCODE(o5_getActorMoving), OPCODE(o5_or), /* 58 */ OPCODE(o5_beginOverride), OPCODE(o5_doSentence), OPCODE(o5_add), OPCODE(o5_divide), /* 5C */ OPCODE(o5_oldRoomEffect), OPCODE(o5_setClass), OPCODE(o5_walkActorTo), OPCODE(o5_isActorInBox), /* 60 */ OPCODE(o5_freezeScripts), OPCODE(o5_putActor), OPCODE(o5_stopScript), OPCODE(o5_getActorFacing), /* 64 */ OPCODE(o5_loadRoomWithEgo), OPCODE(o5_pickupObject), OPCODE(o5_getClosestObjActor), OPCODE(o5_getStringWidth), /* 68 */ OPCODE(o5_isScriptRunning), OPCODE(o5_setOwnerOf), OPCODE(o5_startScript), OPCODE(o5_debug), /* 6C */ OPCODE(o5_getActorWidth), OPCODE(o5_putActorInRoom), OPCODE(o5_stopObjectScript), OPCODE(o5_ifNotState), /* 70 */ OPCODE(o5_lights), OPCODE(o5_getActorCostume), OPCODE(o5_loadRoom), OPCODE(o5_roomOps), /* 74 */ OPCODE(o5_getDist), OPCODE(o5_findObject), OPCODE(o5_walkActorToObject), OPCODE(o5_startObject), /* 78 */ OPCODE(o5_isGreater), OPCODE(o5_doSentence), OPCODE(o5_verbOps), OPCODE(o5_getActorWalkBox), /* 7C */ OPCODE(o5_isSoundRunning), OPCODE(o5_findInventory), OPCODE(o5_walkActorTo), OPCODE(o5_drawBox), /* 80 */ OPCODE(o5_breakHere), OPCODE(o5_putActor), OPCODE(o5_startMusic), OPCODE(o5_getActorRoom), /* 84 */ OPCODE(o5_isGreaterEqual), OPCODE(o5_drawObject), OPCODE(o5_getActorElevation), OPCODE(o5_setState), /* 88 */ OPCODE(o5_isNotEqual), OPCODE(o5_faceActor), OPCODE(o5_startScript), OPCODE(o5_getVerbEntrypoint), /* 8C */ OPCODE(o5_resourceRoutines), OPCODE(o5_walkActorToActor), OPCODE(o5_putActorAtObject), OPCODE(o5_getObjectState), /* 90 */ OPCODE(o5_getObjectOwner), OPCODE(o5_animateActor), OPCODE(o5_panCameraTo), OPCODE(o5_actorSet), /* 94 */ OPCODE(o5_print), OPCODE(o5_actorFromPos), OPCODE(o5_getRandomNr), OPCODE(o5_and), /* 98 */ OPCODE(o5_quitPauseRestart), OPCODE(o5_doSentence), OPCODE(o5_move), OPCODE(o5_multiply), /* 9C */ OPCODE(o5_startSound), OPCODE(o5_ifClassOfIs), OPCODE(o5_walkActorTo), OPCODE(o5_isActorInBox), /* A0 */ OPCODE(o5_stopObjectCode), OPCODE(o5_putActor), OPCODE(o5_getAnimCounter), OPCODE(o5_getActorY), /* A4 */ OPCODE(o5_loadRoomWithEgo), OPCODE(o5_pickupObject), OPCODE(o5_setVarRange), OPCODE(o5_saveLoadVars), /* A8 */ OPCODE(o5_notEqualZero), OPCODE(o5_setOwnerOf), OPCODE(o5_startScript), OPCODE(o5_saveRestoreVerbs), /* AC */ OPCODE(o5_expression), OPCODE(o5_putActorInRoom), OPCODE(o5_wait), OPCODE(o5_ifNotState), /* B0 */ OPCODE(o5_matrixOps), OPCODE(o5_getInventoryCount), OPCODE(o5_setCameraAt), OPCODE(o5_roomOps), /* B4 */ OPCODE(o5_getDist), OPCODE(o5_findObject), OPCODE(o5_walkActorToObject), OPCODE(o5_startObject), /* B8 */ OPCODE(o5_lessOrEqual), OPCODE(o5_doSentence), OPCODE(o5_subtract), OPCODE(o5_getActorScale), /* BC */ OPCODE(o5_stopSound), OPCODE(o5_findInventory), OPCODE(o5_walkActorTo), OPCODE(o5_drawBox), /* C0 */ OPCODE(o5_endCutscene), OPCODE(o5_putActor), OPCODE(o5_chainScript), OPCODE(o5_getActorX), /* C4 */ OPCODE(o5_isLess), OPCODE(o5_drawObject), OPCODE(o5_decrement), OPCODE(o5_setState), /* C8 */ OPCODE(o5_isEqual), OPCODE(o5_faceActor), OPCODE(o5_startScript), OPCODE(o5_getVerbEntrypoint), /* CC */ OPCODE(o5_pseudoRoom), OPCODE(o5_walkActorToActor), OPCODE(o5_putActorAtObject), OPCODE(o5_ifState), /* D0 */ OPCODE(o5_pickupObjectOld), OPCODE(o5_animateActor), OPCODE(o5_actorFollowCamera), OPCODE(o5_actorSet), /* D4 */ OPCODE(o5_setObjectName), OPCODE(o5_actorFromPos), OPCODE(o5_getActorMoving), OPCODE(o5_or), /* D8 */ OPCODE(o5_printEgo), OPCODE(o5_doSentence), OPCODE(o5_add), OPCODE(o5_divide), /* DC */ OPCODE(o5_oldRoomEffect), OPCODE(o5_setClass), OPCODE(o5_walkActorTo), OPCODE(o5_isActorInBox), /* E0 */ OPCODE(o5_freezeScripts), OPCODE(o5_putActor), OPCODE(o5_stopScript), OPCODE(o5_getActorFacing), /* E4 */ OPCODE(o5_loadRoomWithEgo), OPCODE(o5_pickupObject), OPCODE(o5_getClosestObjActor), OPCODE(o5_getStringWidth), /* E8 */ OPCODE(o5_isScriptRunning), OPCODE(o5_setOwnerOf), OPCODE(o5_startScript), OPCODE(o5_debug), /* EC */ OPCODE(o5_getActorWidth), OPCODE(o5_putActorInRoom), OPCODE(o5_stopObjectScript), OPCODE(o5_ifNotState), /* F0 */ OPCODE(o5_lights), OPCODE(o5_getActorCostume), OPCODE(o5_loadRoom), OPCODE(o5_roomOps), /* F4 */ OPCODE(o5_getDist), OPCODE(o5_findObject), OPCODE(o5_walkActorToObject), OPCODE(o5_startObject), /* F8 */ OPCODE(o5_isGreater), OPCODE(o5_doSentence), OPCODE(o5_verbOps), OPCODE(o5_getActorWalkBox), /* FC */ OPCODE(o5_isSoundRunning), OPCODE(o5_findInventory), OPCODE(o5_walkActorTo), OPCODE(o5_drawBox) }; _opcodesV5 = opcodes; } void Scumm_v5::executeOpcode(byte i) { OpcodeProcV5 op = _opcodesV5[i].proc; (this->*op) (); } const char *Scumm_v5::getOpcodeDesc(byte i) { return _opcodesV5[i].desc; } int Scumm_v5::getVar() { return readVar(fetchScriptWord()); } int Scumm_v5::getVarOrDirectByte(byte mask) { if (_opcode & mask) return getVar(); return fetchScriptByte(); } int Scumm_v5::getVarOrDirectWord(byte mask) { if (_opcode & mask) return getVar(); return (int16)fetchScriptWord(); } void Scumm_v5::o5_actorFollowCamera() { actorFollowCamera(getVarOrDirectByte(0x80)); } void Scumm_v5::o5_actorFromPos() { int x, y; getResultPos(); x = getVarOrDirectWord(0x80); y = getVarOrDirectWord(0x40); setResult(getActorFromPos(x, y)); } void Scumm_v5::o5_actorSet() { static const byte convertTable[20] = { 1, 0, 0, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 20 }; int act = getVarOrDirectByte(0x80); Actor *a = derefActor(act, "o5_actorSet"); int i, j; while ((_opcode = fetchScriptByte()) != 0xFF) { if (_features & GF_SMALL_HEADER) _opcode = (_opcode & 0xE0) | convertTable[(_opcode & 0x1F) - 1]; switch (_opcode & 0x1F) { case 0: /* dummy case */ getVarOrDirectByte(0x80); break; case 1: /* costume */ a->setActorCostume(getVarOrDirectByte(0x80)); break; case 2: /* walkspeed */ i = getVarOrDirectByte(0x80); j = getVarOrDirectByte(0x40); a->setActorWalkSpeed(i, j); break; case 3: /* sound */ a->sound[0] = getVarOrDirectByte(0x80); break; case 4: /* walkanim */ a->walkFrame = getVarOrDirectByte(0x80); break; case 5: /* talkanim */ a->talkStartFrame = getVarOrDirectByte(0x80); a->talkStopFrame = getVarOrDirectByte(0x40); break; case 6: /* standanim */ a->standFrame = getVarOrDirectByte(0x80); break; case 7: /* ignore */ getVarOrDirectByte(0x80); getVarOrDirectByte(0x40); getVarOrDirectByte(0x20); break; case 8: /* init */ a->initActor(0); break; case 9: /* elevation */ a->elevation = getVarOrDirectWord(0x80); a->needRedraw = true; break; case 10: /* defaultanims */ a->initFrame = 1; a->walkFrame = 2; a->standFrame = 3; a->talkStartFrame = 4; a->talkStopFrame = 5; break; case 11: /* palette */ i = getVarOrDirectByte(0x80); j = getVarOrDirectByte(0x40); checkRange(31, 0, i, "Illegal palette slot %d"); a->palette[i] = j; a->needRedraw = true; break; case 12: /* talk color */ // Zak256 (and possibly other games) uses actor 0 to // indicate that it's the default talk color that is // to be changed. if (act == 0) _string[0].color = getVarOrDirectByte(0x80); else a->talkColor = getVarOrDirectByte(0x80); break; case 13: /* name */ loadPtrToResource(rtActorName, a->number, NULL); break; case 14: /* initanim */ a->initFrame = getVarOrDirectByte(0x80); break; case 15: /* unk */ error("o5_actorset:unk not implemented"); #if 0 int args[16] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, }; getWordVararg(args); for (i = 0; i < 16; i++) if (args[i] != 0xFF) a->palette[i] = args[i]; #endif break; case 16: /* width */ a->width = getVarOrDirectByte(0x80); break; case 17: /* scale */ if ((_gameId == GID_MONKEY_VGA) || (_gameId == GID_MONKEY_EGA) || (_gameId == GID_PASS)) { a->scalex = a->scaley = getVarOrDirectByte(0x80); } else { a->scalex = getVarOrDirectByte(0x80); a->scaley = getVarOrDirectByte(0x40); } a->needRedraw = true; break; case 18: /* neverzclip */ a->forceClip = 0; break; case 19: /* setzclip */ a->forceClip = getVarOrDirectByte(0x80); break; case 20: /* ignoreboxes */ case 21: /* followboxes */ a->ignoreBoxes = !(_opcode & 1); a->forceClip = 0; if (a->isInCurrentRoom()) a->putActor(a->x, a->y, a->room); break; case 22: /* animspeed */ a->setAnimSpeed(getVarOrDirectByte(0x80)); break; case 23: /* shadow mode */ a->shadow_mode = getVarOrDirectByte(0x80); break; default: warning("o5_actorSet: default case"); } } } void Scumm_v5::o5_setClass() { int obj = getVarOrDirectWord(0x80); int newClass; while ((_opcode = fetchScriptByte()) != 0xFF) { newClass = getVarOrDirectWord(0x80); if (newClass == 0) { // Class '0' means: clean all class data _classData[obj] = 0; if ((_features & GF_SMALL_HEADER) && obj <= _numActors) { Actor *a = derefActor(obj, "o5_setClass"); a->ignoreBoxes = false; a->forceClip = 0; } } else putClass(obj, newClass, (newClass & 0x80) ? true : false); } } void Scumm_v5::o5_add() { int a; getResultPos(); a = getVarOrDirectWord(0x80); // WORKAROUND bug #770065: This works around a script bug in LoomCD. To // understand the reasoning behind this, compare script 210 and 218 in // room 20. Apparently they made a mistake when converting the absolute // delays into relative ones. if (_gameId == GID_LOOM256 && vm.slot[_currentScript].number == 210 && _currentRoom == 20 && _resultVarNumber == 0x4000) { switch (a) { // Fix for the Var[250] == 11 case case 138: a = 145; break; case 324: a = 324 - 138; break; // Fixes for the Var[250] == 14 case case 130: a = 170; break; case 342: a = 342 - 130 + 15; // Small extra adjustment for the "OUCH" break; case 384: a -= 342; break; case 564: a -= 384; break; } } setResult(readVar(_resultVarNumber) + a); } void Scumm_v5::o5_and() { int a; getResultPos(); a = getVarOrDirectWord(0x80); setResult(readVar(_resultVarNumber) & a); } void Scumm_v5::o5_animateActor() { int act = getVarOrDirectByte(0x80); int anim = getVarOrDirectByte(0x40); Actor *a = derefActor(act, "o5_animateActor"); a->animateActor(anim); } void Scumm_v5::o5_breakHere() { updateScriptPtr(); _currentScript = 0xFF; } void Scumm_v5::o5_chainScript() { int vars[16]; int script; int cur; script = getVarOrDirectByte(0x80); getWordVararg(vars); cur = _currentScript; // WORKAROUND bug #743314: Work around a bug in script 33 in Indy3 VGA. // That script is used for the fist fights in the Zeppelin. It uses // Local[5], even though that is never set to any value. But script 33 is // called via chainScript by script 32, and in there Local[5] is defined // to the actor ID of the opposing soldier. So, we copy that value over // to the Local[5] variable of script 33. if (_gameId == GID_INDY3 && vm.slot[cur].number == 32 && script == 33) { vars[5] = vm.localvar[cur][5]; } vm.slot[cur].number = 0; vm.slot[cur].status = 0; _currentScript = 0xFF; runScript(script, vm.slot[cur].freezeResistant, vm.slot[cur].recursive, vars); } void Scumm_v5::o5_cursorCommand() { int i, j, k; int table[16]; switch ((_opcode = fetchScriptByte()) & 0x1F) { case 1: /* cursor show */ _cursor.state = 1; verbMouseOver(0); break; case 2: /* cursor hide */ _cursor.state = 0; verbMouseOver(0); break; case 3: /* userput on */ _userPut = 1; break; case 4: /* userput off */ _userPut = 0; break; case 5: /* cursor soft on */ _cursor.state++; verbMouseOver(0); break; case 6: /* cursor soft off */ _cursor.state--; verbMouseOver(0); break; case 7: /* userput soft on */ _userPut++; break; case 8: /* userput soft off */ _userPut--; break; case 10: /* set cursor img */ i = getVarOrDirectByte(0x80); j = getVarOrDirectByte(0x40); // cursor image in both Looms is based on image from charset // omit for now. // FIXME: Actually: is this opcode ever called by a non-Loom game? // Which V3-V5 game besides Loom makes use of custom cursors, ever? if (_gameId != GID_LOOM && _gameId != GID_LOOM256) { warning("setCursorImg called - tell Fingolfin where you saw this!"); setCursorImg(i, j, 1); } break; case 11: /* set cursor hotspot */ i = getVarOrDirectByte(0x80); j = getVarOrDirectByte(0x40); k = getVarOrDirectByte(0x20); setCursorHotspot(j, k); break; case 12: /* init cursor */ setCursor(getVarOrDirectByte(0x80)); break; case 13: /* init charset */ initCharset(getVarOrDirectByte(0x80)); break; case 14: /* unk */ if (_gameId == GID_LOOM || _gameId == GID_INDY3) { /*int a = */ getVarOrDirectByte(0x80); /*int b = */ getVarOrDirectByte(0x40); // This is some kind of "init charset" opcode. However, we don't have to do anything // in here, as our initCharset automatically calls loadCharset for GF_SMALL_HEADER, // games if needed. } else { getWordVararg(table); for (i = 0; i < 16; i++) _charsetColorMap[i] = _charsetData[_string[1].t_charset][i] = (unsigned char)table[i]; } break; } if (!(_gameId == GID_LOOM || _gameId == GID_INDY3)) { VAR(VAR_CURSORSTATE) = _cursor.state; VAR(VAR_USERPUT) = _userPut; } } void Scumm_v5::o5_cutscene() { int args[16]; getWordVararg(args); beginCutscene(args); } void Scumm_v5::o5_endCutscene() { endCutscene(); } void Scumm_v5::o5_debug() { int a = getVarOrDirectWord(0x80); debug(1, "o5_debug(%d)", a); } void Scumm_v5::o5_decrement() { getResultPos(); setResult(readVar(_resultVarNumber) - 1); } void Scumm_v5::o5_delay() { int delay = fetchScriptByte(); delay |= fetchScriptByte() << 8; delay |= fetchScriptByte() << 16; vm.slot[_currentScript].delay = delay; vm.slot[_currentScript].status = 1; o5_breakHere(); } void Scumm_v5::o5_delayVariable() { vm.slot[_currentScript].delay = getVar(); vm.slot[_currentScript].status = 1; o5_breakHere(); } void Scumm_v5::o5_divide() { int a; getResultPos(); a = getVarOrDirectWord(0x80); if (a == 0) { error("Divide by zero"); setResult(0); } else setResult(readVar(_resultVarNumber) / a); } void Scumm_v5::o5_doSentence() { int verb; SentenceTab *st; verb = getVarOrDirectByte(0x80); if (verb == 0xFE) { _sentenceNum = 0; stopScript(VAR(VAR_SENTENCE_SCRIPT)); clearClickedStatus(); return; } st = &_sentence[_sentenceNum++]; st->verb = verb; st->objectA = getVarOrDirectWord(0x40); st->objectB = getVarOrDirectWord(0x20); st->preposition = (st->objectB != 0); st->freezeCount = 0; } void Scumm_v5::o5_drawBox() { int x, y, x2, y2, color; x = getVarOrDirectWord(0x80); y = getVarOrDirectWord(0x40); _opcode = fetchScriptByte(); x2 = getVarOrDirectWord(0x80); y2 = getVarOrDirectWord(0x40); color = getVarOrDirectByte(0x20); drawBox(x, y, x2, y2, color); } void Scumm_v5::o5_drawObject() { int state, obj, idx, i; ObjectData *od; uint16 x, y, w, h; int xpos, ypos; state = 1; xpos = ypos = 255; obj = getVarOrDirectWord(0x80); if (_features & GF_SMALL_HEADER) { xpos = getVarOrDirectWord(0x40); ypos = getVarOrDirectWord(0x20); } else { _opcode = fetchScriptByte(); switch (_opcode & 0x1F) { case 1: /* draw at */ xpos = getVarOrDirectWord(0x80); ypos = getVarOrDirectWord(0x40); break; case 2: /* set state */ state = getVarOrDirectWord(0x80); break; case 0x1F: /* neither */ break; default: error("o5_drawObject: unknown subopcode %d", _opcode & 0x1F); } } idx = getObjectIndex(obj); if (idx == -1) return; od = &_objs[idx]; if (xpos != 0xFF) { od->walk_x += (xpos << 3) - od->x_pos; od->x_pos = xpos << 3; od->walk_y += (ypos << 3) - od->y_pos; od->y_pos = ypos << 3; } addObjectToDrawQue(idx); x = od->x_pos; y = od->y_pos; w = od->width; h = od->height; i = _numLocalObjects - 1; do { if (_objs[i].obj_nr && _objs[i].x_pos == x && _objs[i].y_pos == y && _objs[i].width == w && _objs[i].height == h) putState(_objs[i].obj_nr, 0); } while (--i); putState(obj, state); } void Scumm_v5::o5_getStringWidth() { // TODO - not sure if this is correct... needs testing int string, width = 0; byte *ptr; getResultPos(); string = getVarOrDirectByte(0x80); ptr = getResourceAddress(rtString, string); assert(ptr); width = _charset->getStringWidth(0, ptr); setResult(width); warning("o5_getStringWidth, result %d", width); } void Scumm_v5::o5_saveLoadVars() { // TODO if (fetchScriptByte() == 1) saveVars(); else loadVars(); } void Scumm_v5::saveVars() { int a, b; while ((_opcode = fetchScriptByte()) != 0) { switch (_opcode & 0x1F) { case 0x01: // write a range of variables getResultPos(); a = _resultVarNumber; getResultPos(); b = _resultVarNumber; warning("stub saveVars: vars %d -> %d", a, b); break; case 0x02: // write a range of string variables a = getVarOrDirectByte(0x80); b = getVarOrDirectByte(0x40); warning("stub saveVars: strings %d -> %d", a, b); break; case 0x03: // open file a = resStrLen(_scriptPointer); warning("stub saveVars to %s", _scriptPointer); _scriptPointer += a + 1; break; case 0x1F: // close file warning("stub saveVars close file"); break; } } } void Scumm_v5::loadVars() { int a, b; hexdump(_scriptPointer, 64); while ((_opcode = fetchScriptByte()) != 0) { switch (_opcode & 0x1F) { case 0x01: // read a range of variables getResultPos(); a = _resultVarNumber; getResultPos(); b = _resultVarNumber; warning("stub loadVars: vars %d -> %d", a, b); break; case 0x02: // read a range of string variables a = getVarOrDirectByte(0x80); b = getVarOrDirectByte(0x40); warning("stub loadVars: strings %d -> %d", a, b); break; case 0x03: // open file a = resStrLen(_scriptPointer); warning("stub loadVars from %s", _scriptPointer); _scriptPointer += a + 1; break; case 0x1F: // close file warning("stub loadVars close file"); break; } } } void Scumm_v5::o5_expression() { int dst, i; _scummStackPos = 0; getResultPos(); dst = _resultVarNumber; while ((_opcode = fetchScriptByte()) != 0xFF) { switch (_opcode & 0x1F) { case 1: /* varordirect */ push(getVarOrDirectWord(0x80)); break; case 2: /* add */ i = pop(); push(i + pop()); break; case 3: /* sub */ i = pop(); push(pop() - i); break; case 4: /* mul */ i = pop(); push(i * pop()); break; case 5: /* div */ i = pop(); if (i == 0) error("Divide by zero"); push(pop() / i); break; case 6: /* normal opcode */ _opcode = fetchScriptByte(); executeOpcode(_opcode); push(_scummVars[0]); break; } } _resultVarNumber = dst; setResult(pop()); } void Scumm_v5::o5_faceActor() { int act = getVarOrDirectByte(0x80); int obj = getVarOrDirectWord(0x40); Actor *a = derefActor(act, "o5_faceActor"); a->faceToObject(obj); } void Scumm_v5::o5_findInventory() { getResultPos(); int x = getVarOrDirectByte(0x80); int y = getVarOrDirectByte(0x40); setResult(findInventory(x, y)); } void Scumm_v5::o5_findObject() { getResultPos(); int x = getVarOrDirectByte(0x80); int y = getVarOrDirectByte(0x40); setResult(findObject(x, y)); } void Scumm_v5::o5_freezeScripts() { int scr = getVarOrDirectByte(0x80); if (scr != 0) freezeScripts(scr); else unfreezeScripts(); } void Scumm_v5::o5_getActorCostume() { getResultPos(); int act = getVarOrDirectByte(0x80); Actor *a = derefActor(act, "o5_getActorCostume"); setResult(a->costume); } void Scumm_v5::o5_getActorElevation() { getResultPos(); int act = getVarOrDirectByte(0x80); Actor *a = derefActor(act, "o5_getActorElevation"); setResult(a->elevation); } void Scumm_v5::o5_getActorFacing() { getResultPos(); int act = getVarOrDirectByte(0x80); Actor *a = derefActor(act, "o5_getActorFacing"); setResult(newDirToOldDir(a->getFacing())); } void Scumm_v5::o5_getActorMoving() { getResultPos(); int act = getVarOrDirectByte(0x80); Actor *a = derefActor(act, "o5_getActorMoving"); setResult(a->moving); } void Scumm_v5::o5_getActorRoom() { getResultPos(); int act = getVarOrDirectByte(0x80); // WORKAROUND bug #746349. This is a really odd bug in either the script // or in our script engine. Might be a good idea to investigate this // further by e.g. looking at the FOA engine a bit closer. if (_gameId == GID_INDY4 && _roomResource == 94 && vm.slot[_currentScript].number == 206 && act > _numActors) { setResult(0); return; } Actor *a = derefActor(act, "o5_getActorRoom"); setResult(a->room); } void Scumm_v5::o5_getActorScale() { Actor *a; // dummy opcode in the loom if (_gameId == GID_LOOM) return; // INDY3 uses this opcode as a wait_for_actor(); if (_gameId == GID_INDY3) { const byte *oldaddr = _scriptPointer - 1; a = derefActor(getVarOrDirectByte(0x80), "o5_getActorScale (wait)"); if (a->moving) { _scriptPointer = oldaddr; o5_breakHere(); } return; } getResultPos(); int act = getVarOrDirectByte(0x80); a = derefActor(act, "o5_getActorScale"); setResult(a->scalex); } void Scumm_v5::o5_getActorWalkBox() { getResultPos(); int act = getVarOrDirectByte(0x80); Actor *a = derefActor(act, "o5_getActorWalkBox"); setResult(a->walkbox); } void Scumm_v5::o5_getActorWidth() { getResultPos(); int act = getVarOrDirectByte(0x80); Actor *a = derefActor(act, "o5_getActorWidth"); setResult(a->width); } void Scumm_v5::o5_getActorX() { int a; getResultPos(); if ((_gameId == GID_INDY3) && !(_features & GF_MACINTOSH)) a = getVarOrDirectByte(0x80); else a = getVarOrDirectWord(0x80); setResult(getObjX(a)); } void Scumm_v5::o5_getActorY() { int a; getResultPos(); if ((_gameId == GID_INDY3) && !(_features & GF_MACINTOSH)) { a = getVarOrDirectByte(0x80); // WORKAROUND bug #636433 (can't get into Zeppelin) if (_roomResource == 36) { setResult(getObjY(a) - 1); return; } } else a = getVarOrDirectWord(0x80); setResult(getObjY(a)); } void Scumm_v5::o5_saveLoadGame() { getResultPos(); byte a = getVarOrDirectByte(0x80); byte slot = (a & 0x1F) + 1; byte result = 0; if ((_gameId == GID_MANIAC) && (_version == 1)) { // Convert older load/save screen // 1 Load // 2 Save slot = 1; if (a == 1) _opcode = 0x40; else if (a == 2) _opcode = 0x80; } else _opcode = a & 0xE0; switch (_opcode) { case 0x00: // num slots available result = 100; break; case 0x20: // drive // 0 = hard drive // 1 = disk drive result = 0; break; case 0x40: // load if (loadState(slot, _saveLoadCompatible)) result = 3; // sucess else result = 5; // failed to load break; case 0x80: // save if (saveState(slot, _saveLoadCompatible)) result = 0; else result = 2; break; case 0xC0: // test if save exists bool avail_saves[100]; char filename[256]; SaveFileManager *mgr = _system->get_savefile_manager(); listSavegames(avail_saves, ARRAYSIZE(avail_saves), mgr); makeSavegameName(filename, slot, false); if (avail_saves[slot] && (mgr->open_savefile(filename, getSavePath(), false))) result = 6; // save file exists else result = 7; // save file does not exist break; } setResult(result); } void Scumm_v5::o5_getAnimCounter() { if (_version == 3) { o5_saveLoadGame(); return; } getResultPos(); int act = getVarOrDirectByte(0x80); Actor *a = derefActor(act, "o5_getAnimCounter"); setResult(a->cost.animCounter); } void Scumm_v5::o5_getClosestObjActor() { int obj; int act; int dist; // This is a bit odd: We can't detect any actors farther away than // 255 units (pixels in newer games, characters in older ones.) To // fix this, we also need to change getObjActToObjActDist(), since // it returns 255 to indicate that it can't find the actor, and make // sure we don't break o5_getDist() in the process. // // But we probably won't have to. int closest_obj = 0xFF, closest_dist = 0xFF; getResultPos(); act = getVarOrDirectWord(0x80); obj = VAR(VAR_ACTOR_RANGE_MAX); do { dist = getObjActToObjActDist(act, obj); if (dist < closest_dist) { closest_dist = dist; closest_obj = obj; } } while (--obj >= VAR(VAR_ACTOR_RANGE_MIN)); setResult(closest_obj); } void Scumm_v5::o5_getDist() { int o1, o2; int r; getResultPos(); o1 = getVarOrDirectWord(0x80); o2 = getVarOrDirectWord(0x40); r = getObjActToObjActDist(o1, o2); // FIXME: MI2 race workaround, see bug #597022 if (_gameId == GID_MONKEY2 && vm.slot[_currentScript].number == 40 && r < 60) r = 60; setResult(r); } void Scumm_v5::o5_getInventoryCount() { getResultPos(); setResult(getInventoryCount(getVarOrDirectByte(0x80))); } void Scumm_v5::o5_getObjectOwner() { getResultPos(); setResult(getOwner(getVarOrDirectWord(0x80))); } void Scumm_v5::o5_getObjectState() { if (_features & GF_SMALL_HEADER) { o5_ifState(); } else { getResultPos(); setResult(getState(getVarOrDirectWord(0x80))); } } void Scumm_v5::o5_ifState() { int a = getVarOrDirectWord(0x80); int b = getVarOrDirectByte(0x40); if (getState(a) != b) o5_jumpRelative(); else ignoreScriptWord(); } void Scumm_v5::o5_ifNotState() { int a = getVarOrDirectWord(0x80); int b = getVarOrDirectByte(0x40); if (getState(a) == b) o5_jumpRelative(); else ignoreScriptWord(); } void Scumm_v5::o5_getRandomNr() { getResultPos(); setResult(_rnd.getRandomNumber(getVarOrDirectByte(0x80))); } void Scumm_v5::o5_isScriptRunning() { getResultPos(); setResult(isScriptRunning(getVarOrDirectByte(0x80))); } void Scumm_v5::o5_getVerbEntrypoint() { int a, b; getResultPos(); a = getVarOrDirectWord(0x80); b = getVarOrDirectWord(0x40); setResult(getVerbEntrypoint(a, b)); } void Scumm_v5::o5_ifClassOfIs() { int act, cls, b = 0; bool cond = true; act = getVarOrDirectWord(0x80); while ((_opcode = fetchScriptByte()) != 0xFF) { cls = getVarOrDirectWord(0x80); if (!cls) // FIXME: Ender can't remember why this is here, b = false; // but it fixes an oddball zak256 crash else b = getClass(act, cls); if (cls & 0x80 && !b || !(cls & 0x80) && b) cond = false; } if (cond) ignoreScriptWord(); else o5_jumpRelative(); } void Scumm_v5::o5_increment() { getResultPos(); setResult(readVar(_resultVarNumber) + 1); } void Scumm_v5::o5_isActorInBox() { int act = getVarOrDirectByte(0x80); int box = getVarOrDirectByte(0x40); Actor *a = derefActor(act, "o5_isActorInBox"); if (!checkXYInBoxBounds(box, a->x, a->y)) o5_jumpRelative(); else ignoreScriptWord(); } void Scumm_v5::o5_isEqual() { int16 a, b; int var; if (_version <= 2) var = fetchScriptByte(); else var = fetchScriptWord(); a = readVar(var); b = getVarOrDirectWord(0x80); // HACK: See bug report #602348. The sound effects for Largo's screams // are only played on type 5 soundcards. However, there is at least one // other sound effect (the bartender spitting) which is only played on // type 3 soundcards. if (_gameId == GID_MONKEY2 && var == VAR_SOUNDCARD && b == 5) b = a; if (b == a) ignoreScriptWord(); else o5_jumpRelative(); } void Scumm_v5::o5_isGreater() { int16 a = getVar(); int16 b = getVarOrDirectWord(0x80); if (b > a) ignoreScriptWord(); else o5_jumpRelative(); } void Scumm_v5::o5_isGreaterEqual() { int16 a = getVar(); int16 b = getVarOrDirectWord(0x80); if (b >= a) ignoreScriptWord(); else o5_jumpRelative(); } void Scumm_v5::o5_isLess() { int16 a = getVar(); int16 b = getVarOrDirectWord(0x80); if (b < a) ignoreScriptWord(); else o5_jumpRelative(); } void Scumm_v5::o5_lessOrEqual() { int16 a = getVar(); int16 b = getVarOrDirectWord(0x80); if (b <= a) ignoreScriptWord(); else o5_jumpRelative(); } void Scumm_v5::o5_isNotEqual() { int16 a = getVar(); int16 b = getVarOrDirectWord(0x80); if (b != a) ignoreScriptWord(); else o5_jumpRelative(); } void Scumm_v5::o5_notEqualZero() { int a = getVar(); if (a != 0) ignoreScriptWord(); else o5_jumpRelative(); } void Scumm_v5::o5_equalZero() { int a = getVar(); if (a == 0) ignoreScriptWord(); else o5_jumpRelative(); } void Scumm_v5::o5_jumpRelative() { _scriptPointer += (int16)fetchScriptWord(); } void Scumm_v5::o5_lights() { int a, b, c; a = getVarOrDirectByte(0x80); b = fetchScriptByte(); c = fetchScriptByte(); if (c == 0) VAR(VAR_CURRENT_LIGHTS) = a; else if (c == 1) { _flashlight.xStrips = a; _flashlight.yStrips = b; } _fullRedraw = 1; } void Scumm_v5::o5_loadRoom() { int room; room = getVarOrDirectByte(0x80); // For small header games, we only call startScene if the room // actually changed. This avoid unwanted (wrong) fades in Zak256 // and others. OTOH, it seems to cause a problem in newer games. if (!(_features & GF_SMALL_HEADER) || room != _currentRoom) startScene(room, 0, 0); // FIXME: Incredibly nasty evil hack to fix bug #770699 (During meeting // with Guru, script 42 changes between room 0 and room 19 to create // 'some time later' effects. On switching back to room 19, the camera // reverts to 0,0 - Added for 0.5.0, should be fixed properly if (_gameId == GID_ZAK && (vm.slot[_currentScript].number == 42) && (room == 19)) setCameraAt(480, 0); _fullRedraw = 1; } void Scumm_v5::o5_loadRoomWithEgo() { Actor *a; int obj, room, x, y; obj = getVarOrDirectWord(0x80); room = getVarOrDirectByte(0x40); a = derefActor(VAR(VAR_EGO), "o5_loadRoomWithEgo"); a->putActor(0, 0, room); _egoPositioned = false; x = (int16)fetchScriptWord(); y = (int16)fetchScriptWord(); VAR(VAR_WALKTO_OBJ) = obj; startScene(a->room, a, obj); VAR(VAR_WALKTO_OBJ) = 0; // FIXME: Can this be removed? camera._cur.x = a->x; setCameraAt(a->x, a->y); setCameraFollows(a); _fullRedraw = 1; if (x != -1) { a->startWalkActor(x, y, -1); } } void Scumm_v5::o5_matrixOps() { int a, b; if (_version == 3) { a = getVarOrDirectByte(0x80); b = fetchScriptByte(); setBoxFlags(a, b); return; } _opcode = fetchScriptByte(); switch (_opcode & 0x1F) { case 1: a = getVarOrDirectByte(0x80); b = getVarOrDirectByte(0x40); setBoxFlags(a, b); break; case 2: a = getVarOrDirectByte(0x80); b = getVarOrDirectByte(0x40); setBoxScale(a, b); break; case 3: a = getVarOrDirectByte(0x80); b = getVarOrDirectByte(0x40); setBoxScale(a, (b - 1) | 0x8000); break; case 4: createBoxMatrix(); break; } } void Scumm_v5::o5_move() { getResultPos(); setResult(getVarOrDirectWord(0x80)); } void Scumm_v5::o5_multiply() { int a; getResultPos(); a = getVarOrDirectWord(0x80); setResult(readVar(_resultVarNumber) * a); } void Scumm_v5::o5_or() { int a; getResultPos(); a = getVarOrDirectWord(0x80); setResult(readVar(_resultVarNumber) | a); } void Scumm_v5::o5_beginOverride() { if (fetchScriptByte() != 0) beginOverride(); else endOverride(); } void Scumm_v5::o5_panCameraTo() { panCameraTo(getVarOrDirectWord(0x80), 0); } void Scumm_v5::o5_pickupObject() { int obj, room; if (_version == 3 || _version == 4) { o5_drawObject(); return; } obj = getVarOrDirectWord(0x80); room = getVarOrDirectByte(0x40); if (room == 0) room = _roomResource; addObjectToInventory(obj, room); putOwner(obj, VAR(VAR_EGO)); putClass(obj, kObjectClassUntouchable, 1); putState(obj, 1); removeObjectFromRoom(obj); clearDrawObjectQueue(); runInventoryScript(1); } void Scumm_v5::o5_print() { _actorToPrintStrFor = getVarOrDirectByte(0x80); decodeParseString(); } void Scumm_v5::o5_printEgo() { _actorToPrintStrFor = (byte)VAR(VAR_EGO); decodeParseString(); } void Scumm_v5::o5_pseudoRoom() { int i = fetchScriptByte(), j; while ((j = fetchScriptByte()) != 0) { if (j >= 0x80) { _resourceMapper[j & 0x7F] = i; } } } void Scumm_v5::o5_putActor() { int x, y; Actor *a; a = derefActor(getVarOrDirectByte(0x80), "o5_putActor"); x = getVarOrDirectWord(0x40); y = getVarOrDirectWord(0x20); a->putActor(x, y, a->room); } void Scumm_v5::o5_putActorAtObject() { int obj, x, y; Actor *a; a = derefActor(getVarOrDirectByte(0x80), "o5_putActorAtObject"); obj = getVarOrDirectWord(0x40); if (whereIsObject(obj) != WIO_NOT_FOUND) getObjectXYPos(obj, x, y); else { x = 240; y = 120; } a->putActor(x, y, a->room); } void Scumm_v5::o5_putActorInRoom() { Actor *a; int act = getVarOrDirectByte(0x80); int room = getVarOrDirectByte(0x40); a = derefActor(act, "o5_putActorInRoom"); // WORKAROUND: Fix for Bug #770710 // This fixes conflicting actor usage by two different scripts // in MI1 Demo (PC GID_MONKEY_EGA or Amiga GID_MONKEY_VGA). The // exit script for the LucasArts logo screen attempts to reset an // actor that has already been set up for the next scene by the // boot script. The fix cannot be used as a general behavior // because it does cause GFX glitches in other games that try to // do legitimate cleanup of actors that are in another room. // (The Indy3 "Indy at Donovan's" cutscene, for instance.) if (_gameId == GID_MONKEY_EGA || _gameId == GID_MONKEY_VGA) { if (room == 0 && a->room != _currentRoom && a->room != room && _currentRoom != room) { warning ("o5_putActorInRoom (%d [%d], %d) ignored", act, a->room, room); return; } } if (a->visible && _currentRoom != room && VAR(VAR_TALK_ACTOR) == a->number) { clearMsgQueue(); } a->room = room; if (!room) a->putActor(0, 0, 0); } void Scumm_v5::o5_quitPauseRestart() { byte subOp = fetchScriptByte(); switch (subOp) { case 1: // Restart restart(); break; case 2: // Pause pauseGame(); break; case 3: // Quit shutDown(); break; default: error("o5_quitPauseRestart: unknown subopcode %d", subOp); } } void Scumm_v5::o5_resourceRoutines() { const ResTypes resType[4] = { rtScript, rtSound, rtCostume, rtRoom }; int resid = 0; int foo, bar; _opcode = fetchScriptByte(); if (_opcode != 17) resid = getVarOrDirectByte(0x80); if (!(_features & GF_FMTOWNS)) { // FIXME - this probably can be removed eventually, I don't think the following // check will ever be triggered, but then I could be wrong and it's better // to play it safe. if ((_opcode & 0x3F) != (_opcode & 0x1F)) error("Oops, this shouldn't happen: o5_resourceRoutines opcode %d", _opcode); } int op = _opcode & 0x3F; switch (_opcode & 0x3F) { case 1: // load script case 2: // load sound case 3: // load costume ensureResourceLoaded(resType[op-1], resid); break; case 4: // load room if (_version == 3) { ensureResourceLoaded(rtRoom, resid); if (resid > 0x7F) resid = _resourceMapper[resid & 0x7F]; if (_currentRoom != resid) { res.flags[rtRoom][resid] |= 1; } } else ensureResourceLoaded(rtRoom, resid); break; case 5: // nuke script case 6: // nuke sound case 7: // nuke costume case 8: // nuke room if (_gameId == GID_ZAK256) warning("o5_resourceRoutines %d should not occur in Zak256", op); else setResourceCounter(resType[op-5], resid, 0x7F); break; case 9: // lock script if (resid >= _numGlobalScripts) break; lock(rtScript, resid); break; case 10: // lock sound lock(rtSound, resid); break; case 11: // lock costume lock(rtCostume, resid); break; case 12: // lock room if (resid > 0x7F) resid = _resourceMapper[resid & 0x7F]; lock(rtRoom, resid); break; case 13: // unlock script if (resid >= _numGlobalScripts) break; unlock(rtScript, resid); break; case 14: // unlock sound unlock(rtSound, resid); break; case 15: // unlock costume unlock(rtCostume, resid); break; case 16: // unlock room if (resid > 0x7F) resid = _resourceMapper[resid & 0x7F]; unlock(rtRoom, resid); break; case 17: // clear heap //heapClear(0); //unkHeapProc2(0, 0); break; case 18: // load charset loadCharset(resid); break; case 19: // nuke charset nukeCharset(resid); break; case 20: // load fl object loadFlObject(getVarOrDirectWord(0x40), resid); break; case 32: // TODO warning("o5_resourceRoutines %d not yet handled (script %d)", _opcode & 0x3F, vm.slot[_currentScript].number); break; case 33: // TODO warning("o5_resourceRoutines %d not yet handled (script %d)", _opcode & 0x3F, vm.slot[_currentScript].number); break; case 35: // TODO foo = getVarOrDirectByte(0x40); warning("o5_resourceRoutines %d not yet handled (script %d)", _opcode & 0x3F, vm.slot[_currentScript].number); break; case 36: // TODO foo = getVarOrDirectByte(0x40); bar = fetchScriptByte(); warning("o5_resourceRoutines %d not yet handled (script %d)", _opcode & 0x3F, vm.slot[_currentScript].number); break; case 37: // TODO foo = getVarOrDirectByte(0x40); warning("o5_resourceRoutines %d not yet handled (script %d)", _opcode & 0x3F, vm.slot[_currentScript].number); break; default: warning("Unknown o5_resourceRoutines: %d", _opcode & 0x3F); break; } } void Scumm_v5::o5_roomOps() { int a = 0, b = 0, c, d, e; if (_version == 3) { a = getVarOrDirectWord(0x80); b = getVarOrDirectWord(0x40); } _opcode = fetchScriptByte(); switch (_opcode & 0x1F) { case 1: /* room scroll */ if (_version != 3) { a = getVarOrDirectWord(0x80); b = getVarOrDirectWord(0x40); } if (a < (_screenWidth / 2)) a = (_screenWidth / 2); if (b < (_screenWidth / 2)) b = (_screenWidth / 2); if (a > _roomWidth - (_screenWidth / 2)) a = _roomWidth - (_screenWidth / 2); if (b > _roomWidth - (_screenWidth / 2)) b = _roomWidth - (_screenWidth / 2); VAR(VAR_CAMERA_MIN_X) = a; VAR(VAR_CAMERA_MAX_X) = b; break; case 2: /* room color */ if (_features & GF_SMALL_HEADER) { if (_version != 3) { a = getVarOrDirectWord(0x80); b = getVarOrDirectWord(0x40); } checkRange(256, 0, a, "o5_roomOps: 2: Illegal room color slot (%d)"); if (_features & GF_16COLOR) { _roomPalette[b] = a; _fullRedraw = true; } else { _shadowPalette[b] = a; setDirtyColors(b, b); } } else { error("room-color is no longer a valid command"); } break; case 3: /* set screen */ if (_version != 3) { a = getVarOrDirectWord(0x80); b = getVarOrDirectWord(0x40); } initScreens(0, a, _screenWidth, b); break; case 4: /* set palette color */ if (_features & GF_SMALL_HEADER) { if (_version != 3) { a = getVarOrDirectWord(0x80); b = getVarOrDirectWord(0x40); } checkRange(256, 0, a, "o5_roomOps: 2: Illegal room color slot (%d)"); _shadowPalette[b] = a; setDirtyColors(b, b); } else { a = getVarOrDirectWord(0x80); b = getVarOrDirectWord(0x40); c = getVarOrDirectWord(0x20); _opcode = fetchScriptByte(); d = getVarOrDirectByte(0x80); setPalColor(d, a, b, c); /* index, r, g, b */ } break; case 5: /* shake on */ setShake(1); break; case 6: /* shake off */ setShake(0); break; case 7: /* room scale for old games */ a = getVarOrDirectByte(0x80); b = getVarOrDirectByte(0x40); _opcode = fetchScriptByte(); c = getVarOrDirectByte(0x80); d = getVarOrDirectByte(0x40); _opcode = fetchScriptByte(); e = getVarOrDirectByte(0x40); setScaleSlot(e - 1, 0, b, a, 0, d, c); break; case 8: /* room scale? */ if (_features & GF_SMALL_HEADER) { if (_version != 3) { a = getVarOrDirectWord(0x80); b = getVarOrDirectWord(0x40); } c = getVarOrDirectWord(0x20); } else { a = getVarOrDirectByte(0x80); b = getVarOrDirectByte(0x40); c = getVarOrDirectByte(0x20); } darkenPalette(a, a, a, b, c); break; case 9: /* ? */ _saveLoadFlag = getVarOrDirectByte(0x80); _saveLoadSlot = getVarOrDirectByte(0x40); _saveLoadSlot = 99; /* use this slot */ _saveLoadCompatible = true; break; case 10: /* ? */ a = getVarOrDirectWord(0x80); if (a) { _switchRoomEffect = (byte)(a&0xFF); _switchRoomEffect2 = (byte)(a >> 8); } else { fadeIn(_newEffect); } break; case 11: /* ? */ a = getVarOrDirectWord(0x80); b = getVarOrDirectWord(0x40); c = getVarOrDirectWord(0x20); _opcode = fetchScriptByte(); d = getVarOrDirectByte(0x80); e = getVarOrDirectByte(0x40); darkenPalette(a, b, c, d, e); break; case 12: /* ? */ a = getVarOrDirectWord(0x80); b = getVarOrDirectWord(0x40); c = getVarOrDirectWord(0x20); _opcode = fetchScriptByte(); d = getVarOrDirectByte(0x80); e = getVarOrDirectByte(0x40); setupShadowPalette(a, b, c, d, e); break; case 13:{ /* save-string */ SaveFile *file; char filename[256], *s; a = getVarOrDirectByte(0x80); s = filename; while ((*s++ = fetchScriptByte())); SaveFileManager *mgr = _system->get_savefile_manager(); file = mgr->open_savefile(filename, getSavePath(), true); if (file != NULL) { byte *ptr; ptr = getResourceAddress(rtString, a); file->write(ptr, resStrLen(ptr) + 1); delete file; } delete mgr; break; } case 14:{ /* load-string */ SaveFile *file; char filename[256], *s; a = getVarOrDirectByte(0x80); s = filename; while ((*s++ = fetchScriptByte())); SaveFileManager *mgr = _system->get_savefile_manager(); file = mgr->open_savefile(filename, getSavePath(), false); if (file != NULL) { byte *ptr; int len = 256, cnt = 0; ptr = (byte *)malloc(len); while (ptr) { int r = file->read(ptr+cnt, len-cnt); if ((cnt += r) < len) break; ptr = (byte *)realloc(ptr, len<<=1); } ptr[cnt] = '\0'; loadPtrToResource(rtString, a, ptr); free(ptr); } break; } case 15: /* palmanip */ a = getVarOrDirectByte(0x80); _opcode = fetchScriptByte(); b = getVarOrDirectByte(0x80); c = getVarOrDirectByte(0x40); _opcode = fetchScriptByte(); d = getVarOrDirectByte(0x80); palManipulateInit(b, c, a, d); break; case 16: a = getVarOrDirectByte(0x80); b = getVarOrDirectByte(0x40); if (a < 1) a = 1; /* FIXME: ZAK256 */ checkRange(16, 1, a, "o5_roomOps: 16: color cycle out of range (%d)"); _colorCycle[a - 1].delay = (b != 0) ? 0x4000 / (b * 0x4C) : 0; break; default: error("o5_roomOps: unknown subopcode %d", _opcode & 0x1F); } } void Scumm_v5::o5_saveRestoreVerbs() { int a, b, c, slot, slot2; _opcode = fetchScriptByte(); a = getVarOrDirectByte(0x80); b = getVarOrDirectByte(0x40); c = getVarOrDirectByte(0x20); switch (_opcode) { case 1: /* hide verbs */ while (a <= b) { slot = getVerbSlot(a, 0); if (slot && _verbs[slot].saveid == 0) { _verbs[slot].saveid = c; drawVerb(slot, 0); verbMouseOver(0); } a++; } break; case 2: /* show verbs */ while (a <= b) { slot = getVerbSlot(a, c); if (slot) { slot2 = getVerbSlot(a, 0); if (slot2) killVerb(slot2); slot = getVerbSlot(a, c); _verbs[slot].saveid = 0; drawVerb(slot, 0); verbMouseOver(0); } a++; } break; case 3: /* kill verbs */ while (a <= b) { slot = getVerbSlot(a, c); if (slot) killVerb(slot); a++; } break; default: error("o5_saveRestoreVerbs: unknown subopcode %d", _opcode); } } void Scumm_v5::o5_setCameraAt() { setCameraAtEx(getVarOrDirectWord(0x80)); } void Scumm_v5::o5_setObjectName() { int obj = getVarOrDirectWord(0x80); int size; int a; int i = 0; byte *name = NULL; unsigned char work[256]; // Read in new name while ((a = fetchScriptByte()) != 0) { work[i++] = a; if (a == 0xFF) { work[i++] = fetchScriptByte(); work[i++] = fetchScriptByte(); work[i++] = fetchScriptByte(); } } work[i++] = 0; if (obj < _numActors) error("Can't set actor %d name with new-name-of", obj); // TODO: Would be nice if we used rtObjectName resource for pre-V6 // games, too. The only problem with that which I can see is that this // would break savegames. I.e. it would require yet another change to // the save/load system. byte *objptr; objptr = getOBCDFromObject(obj); if (objptr == NULL) { // WORKAROUND bug #587553: This is an odd one and looks more like // an actual bug in the original script. Usually we would error warning("Can't find OBCD to rename object %d to %s", obj, work); return; } if (_features & GF_SMALL_HEADER) { byte offset = 0; if (_features & GF_OLD_BUNDLE) offset = *(objptr + 16); else offset = *(objptr + 18); size = READ_LE_UINT16(objptr) - offset; name = objptr + offset; } else { name = 0; #if 0 name = findResourceData(MKID('OBNA'), objptr); #else // FIXME: we can't use findResourceData anymore, because it returns const // data, while this function *must* return a non-const pointer. That is so // because in o2_setObjectName / o5_setObjectName we directly modify this // data. Now, we could add a non-const version of findResourceData, too // (C++ makes that easy); but this here is really the *only* place in all // of ScummVM where it wold be needed! That seems kind of a waste... // // So for now, I duplicate some code from findResourceData / findResource // here. However, a much nicer solution might be (with stress on "might") // to use the same technique as in V6 games: that is, use a seperate // resource for changed names. That would be the cleanest solution, but // might proof to be infeasible, as it might lead to unforseen regressions. uint32 tag = MKID('OBNA'); byte *searchin = objptr; uint32 curpos, totalsize; assert(searchin); searchin += 4; totalsize = READ_BE_UINT32(searchin); curpos = 8; searchin += 4; while (curpos < totalsize) { if (READ_UINT32(searchin) == tag) { name = searchin + _resourceHeaderSize; break; } size = READ_BE_UINT32(searchin + 4); if ((int32)size <= 0) { error("(%c%c%c%c) Not found in %d... illegal block len %d", tag & 0xFF, (tag >> 8) & 0xFF, (tag >> 16) & 0xFF, (tag >> 24) & 0xFF, 0, size); } curpos += size; searchin += size; } #endif size = getResourceDataSize(name); } if (name == 0) return; // Silently bail out if (i > size) { warning("New name of object %d too long: old 's' (%d), new '%s' (%d))", obj, name, i, work, size); i = size; } memcpy(name, work, i); runInventoryScript(0); } void Scumm_v5::o5_setOwnerOf() { int obj, owner; obj = getVarOrDirectWord(0x80); owner = getVarOrDirectByte(0x40); setOwnerOf(obj, owner); } void Scumm_v5::o5_setState() { int obj, state; obj = getVarOrDirectWord(0x80); state = getVarOrDirectByte(0x40); putState(obj, state); removeObjectFromRoom(obj); if (_BgNeedsRedraw) clearDrawObjectQueue(); } void Scumm_v5::o5_setVarRange() { int a, b; getResultPos(); a = fetchScriptByte(); do { if (_opcode & 0x80) b = fetchScriptWordSigned(); else b = fetchScriptByte(); setResult(b); _resultVarNumber++; } while (--a); } void Scumm_v5::o5_startMusic() { if (_features & GF_FMTOWNS) { // In FM Towns games this is some kind of Audio CD status query function. // See also bug #762589 (thanks to Hibernatus for providing the information). getResultPos(); int b = getVarOrDirectByte(0x80); int result = 0; switch (b) { case 0: result = _sound->pollCD() == 0; break; case 0xFC: // TODO: Unpause (resume) audio track. We'll have to extend Sound and OSystem for this. break; case 0xFD: // TODO: Pause audio track. We'll have to extend Sound and OSystem for this. break; case 0xFE: result = _sound->getCurrentCDSound(); break; case 0xFF: // Unknown, but apparently never used. break; default: // TODO: return track length in seconds. We'll have to extend Sound and OSystem for this. // To check scummvm returns the right track length you // can look at the global script #9 (0x888A in 49.LFL). break; } debug(4,"o5_startMusic(%d)", b); setResult(result); } else { _sound->addSoundToQueue(getVarOrDirectByte(0x80)); } } void Scumm_v5::o5_startSound() { VAR(VAR_MUSIC_TIMER) = 0; _sound->addSoundToQueue(getVarOrDirectByte(0x80)); } void Scumm_v5::o5_stopMusic() { _sound->stopAllSounds(); } void Scumm_v5::o5_stopSound() { _sound->stopSound(getVarOrDirectByte(0x80)); } void Scumm_v5::o5_isSoundRunning() { int snd; getResultPos(); snd = getVarOrDirectByte(0x80); if (snd) snd = _sound->isSoundRunning(snd); setResult(snd); } void Scumm_v5::o5_soundKludge() { int items[16]; int i; if (_features & GF_SMALL_HEADER) { // Is WaitForSentence in SCUMM V3 if (_sentenceNum) { if (_sentence[_sentenceNum - 1].freezeCount && !isScriptInUse(VAR(VAR_SENTENCE_SCRIPT))) return; } else if (!isScriptInUse(VAR(VAR_SENTENCE_SCRIPT))) return; _scriptPointer--; o5_breakHere(); return; } for (i = 0; i < 16; i++) items[i] = 0; int num = getWordVararg(items); _sound->soundKludge(items, num); } void Scumm_v5::o5_startObject() { int obj, script; int data[16]; obj = getVarOrDirectWord(0x80); script = getVarOrDirectByte(0x40); getWordVararg(data); runObjectScript(obj, script, 0, 0, data); } void Scumm_v5::o5_startScript() { int op, script; int data[16]; op = _opcode; script = getVarOrDirectByte(0x80); getWordVararg(data); runScript(script, (op & 0x20) != 0, (op & 0x40) != 0, data); } void Scumm_v5::o5_stopObjectCode() { stopObjectCode(); } void Scumm_v5::o5_stopObjectScript() { stopObjectScript(getVarOrDirectWord(0x80)); } void Scumm_v5::o5_stopScript() { int script; script = getVarOrDirectByte(0x80); if ((_gameId == GID_ZAK) && (_roomResource == 7) && (vm.slot[_currentScript].number == 10001)) { // FIXME: Nasty hack for bug #771499 // Don't let the exit script for room 7 stop the buy script (24), // switching to the number selection keypad (script 15) if ((script == 24) && isScriptRunning(15)) return; } if (!script) stopObjectCode(); else stopScript(script); } void Scumm_v5::o5_stringOps() { int a, b, c, i; byte *ptr; _opcode = fetchScriptByte(); switch (_opcode & 0x1F) { case 1: /* loadstring */ loadPtrToResource(rtString, getVarOrDirectByte(0x80), NULL); break; case 2: /* copystring */ a = getVarOrDirectByte(0x80); b = getVarOrDirectByte(0x40); nukeResource(rtString, a); ptr = getResourceAddress(rtString, b); if (ptr) loadPtrToResource(rtString, a, ptr); break; case 3: /* set string char */ a = getVarOrDirectByte(0x80); b = getVarOrDirectByte(0x40); c = getVarOrDirectByte(0x20); ptr = getResourceAddress(rtString, a); if (_gameId != GID_LOOM256) { /* FIXME - LOOM256 */ if (ptr == NULL) error("String %d does not exist", a); ptr[b] = c; } break; case 4: /* get string char */ getResultPos(); a = getVarOrDirectByte(0x80); b = getVarOrDirectByte(0x40); ptr = getResourceAddress(rtString, a); if (ptr == NULL) error("String %d does not exist", a); setResult(ptr[b]); break; case 5: /* create empty string */ a = getVarOrDirectByte(0x80); b = getVarOrDirectByte(0x40); nukeResource(rtString, a); if (b) { ptr = createResource(rtString, a, b); if (ptr) { for (i = 0; i < b; i++) ptr[i] = 0; } } break; } } void Scumm_v5::o5_subtract() { int a; getResultPos(); a = getVarOrDirectWord(0x80); setResult(readVar(_resultVarNumber) - a); } void Scumm_v5::o5_verbOps() { int verb, slot; VerbSlot *vs; int a, b; byte *ptr; verb = getVarOrDirectByte(0x80); slot = getVerbSlot(verb, 0); checkRange(_maxVerbs - 1, 0, slot, "Illegal new verb slot %d"); vs = &_verbs[slot]; vs->verbid = verb; while ((_opcode = fetchScriptByte()) != 0xFF) { switch (_opcode & 0x1F) { case 1: /* load image */ a = getVarOrDirectWord(0x80); if (slot) { setVerbObject(_roomResource, a, slot); vs->type = kImageVerbType; } break; case 2: /* load from code */ loadPtrToResource(rtVerb, slot, NULL); if (slot == 0) nukeResource(rtVerb, slot); vs->type = kTextVerbType; vs->imgindex = 0; break; case 3: /* color */ vs->color = getVarOrDirectByte(0x80); break; case 4: /* set hi color */ vs->hicolor = getVarOrDirectByte(0x80); break; case 5: /* set xy */ vs->x = getVarOrDirectWord(0x80); vs->y = getVarOrDirectWord(0x40); // Macintosh verison of indy3ega used different interface, so adjust values. if ((_features & GF_MACINTOSH) && (_gameId == GID_INDY3)) { if ((verb > 0) && (verb < 14) || (verb > 31) && (verb < 35)) { switch (verb) { case 1: case 2: case 9: vs->x += 16; break; case 10: case 11: case 12: vs->x += 36; break; case 4: case 5: case 8: vs->x += 60; break; case 13: case 32: case 33: case 34: vs->x += 90; break; } } } else if (_gameId == GID_LOOM256) { // FIXME: hack loom notes into right spot if ((verb >= 90) && (verb <= 97)) { // Notes switch (verb) { case 90: case 91: vs->y -= 7; break; case 92: vs->y -= 6; break; case 93: vs->y -= 4; break; case 94: vs->y -= 3; break; case 95: vs->y -= 1; break; case 97: vs->y -= 5; } } } break; case 6: /* set on */ vs->curmode = 1; break; case 7: /* set off */ vs->curmode = 0; break; case 8: /* delete */ killVerb(slot); break; case 9: /* new */ slot = getVerbSlot(verb, 0); if (slot == 0) { for (slot = 1; slot < _maxVerbs; slot++) { if (_verbs[slot].verbid == 0) break; } if (slot == _maxVerbs) error("Too many verbs"); } vs = &_verbs[slot]; vs->verbid = verb; vs->color = 2; vs->hicolor = 0; vs->dimcolor = 8; vs->type = kTextVerbType; vs->charset_nr = _string[0].t_charset; vs->curmode = 0; vs->saveid = 0; vs->key = 0; vs->center = 0; vs->imgindex = 0; break; case 16: /* set dim color */ vs->dimcolor = getVarOrDirectByte(0x80); break; case 17: /* dim */ vs->curmode = 2; break; case 18: /* set key */ vs->key = getVarOrDirectByte(0x80); break; case 19: /* set center */ vs->center = 1; break; case 20: /* set to string */ ptr = getResourceAddress(rtString, getVarOrDirectWord(0x80)); if (!ptr) nukeResource(rtVerb, slot); else { loadPtrToResource(rtVerb, slot, ptr); } if (slot == 0) nukeResource(rtVerb, slot); vs->type = kTextVerbType; vs->imgindex = 0; break; case 22: /* assign object */ a = getVarOrDirectWord(0x80); b = getVarOrDirectByte(0x40); if (slot && vs->imgindex != a) { setVerbObject(b, a, slot); vs->type = kImageVerbType; vs->imgindex = a; } break; case 23: /* set back color */ vs->bkcolor = getVarOrDirectByte(0x80); break; default: error("o5_verbOps: unknown subopcode %d", _opcode & 0x1F); } } drawVerb(slot, 0); verbMouseOver(0); } void Scumm_v5::o5_wait() { const byte *oldaddr = _scriptPointer - 1; if ((_gameId == GID_INDY3) && !(_features & GF_MACINTOSH)) { _opcode = 2; } else _opcode = fetchScriptByte(); switch (_opcode & 0x1F) { case 1: { /* wait for actor */ Actor *a = derefActorSafe(getVarOrDirectByte(0x80), "o5_wait"); if (a && a->isInCurrentRoom() && a->moving) break; return; } case 2: /* wait for message */ if (VAR(VAR_HAVE_MSG)) break; return; case 3: /* wait for camera */ if (camera._cur.x >> 3 != camera._dest.x >> 3) break; return; case 4: /* wait for sentence */ if (_sentenceNum) { if (_sentence[_sentenceNum - 1].freezeCount && !isScriptInUse(VAR(VAR_SENTENCE_SCRIPT))) return; break; } if (!isScriptInUse(VAR(VAR_SENTENCE_SCRIPT))) return; break; default: error("o5_wait: unknown subopcode %d", _opcode & 0x1F); return; } _scriptPointer = oldaddr; o5_breakHere(); } void Scumm_v5::o5_walkActorTo() { int x, y; Actor *a; a = derefActor(getVarOrDirectByte(0x80), "o5_walkActorTo"); x = getVarOrDirectWord(0x40); y = getVarOrDirectWord(0x20); a->startWalkActor(x, y, -1); } void Scumm_v5::o5_walkActorToActor() { int x, y; Actor *a, *a2; int nr = getVarOrDirectByte(0x80); int nr2 = getVarOrDirectByte(0x40); int dist = fetchScriptByte(); if (nr == 106 && _gameId == GID_INDY4) { warning("Bypassing Indy4 bug"); return; } if (_gameId == GID_LOOM256 && nr == 1 && nr2 == 0 && dist == 255 && vm.slot[_currentScript].number == 98) { // WORKAROUND bug #743615: LoomCD script 98 contains this: // walkActorToActor(1,0,255) // Once again this is either a script bug, or there is some hidden // or unknown meaning to this odd walk request... return; } if (_gameId == GID_INDY4 && nr == 1 && nr2 == 106 && dist == 255 && vm.slot[_currentScript].number == 210) { // WORKAROUND bug: Work around an invalid actor bug when using the // camel in Fate of Atlantis, the "wits" path. The room-65-210 script // contains this: // walkActorToActor(1,106,255) // Once again this is either a script bug, or there is some hidden // or unknown meaning to this odd walk request... return; } a = derefActor(nr, "o5_walkActorToActor"); if (!a->isInCurrentRoom()) return; a2 = derefActor(nr2, "o5_walkActorToActor(2)"); if (!a2->isInCurrentRoom()) return; if (_version <= 2) dist *= 8; else if (dist == 0xFF) { dist = a->scalex * a->width / 0xFF; dist += (a2->scalex * a2->width / 0xFF) / 2; } x = a2->x; y = a2->y; if (x < a->x) x += dist; else x -= dist; if (_version <= 3) { AdjustBoxResult abr = a->adjustXYToBeInBox(x, y); x = abr.x; y = abr.y; } a->startWalkActor(x, y, -1); } void Scumm_v5::o5_walkActorToObject() { int obj; Actor *a; a = derefActor(getVarOrDirectByte(0x80), "o5_walkActorToObject"); obj = getVarOrDirectWord(0x40); if (whereIsObject(obj) != WIO_NOT_FOUND) { int x, y, dir; getObjectXYPos(obj, x, y, dir); a->startWalkActor(x, y, dir); } } int Scumm_v5::getWordVararg(int *ptr) { int i; for (i = 0; i < 16; i++) ptr[i] = 0; i = 0; while ((_opcode = fetchScriptByte()) != 0xFF) { ptr[i++] = getVarOrDirectWord(0x80); } return i; } void Scumm_v5::decodeParseString() { int textSlot; switch (_actorToPrintStrFor) { case 252: textSlot = 3; break; case 253: textSlot = 2; break; case 254: textSlot = 1; break; default: textSlot = 0; } setStringVars(textSlot); while ((_opcode = fetchScriptByte()) != 0xFF) { switch (_opcode & 0xF) { case 0: /* set string xy */ _string[textSlot].xpos = getVarOrDirectWord(0x80); _string[textSlot].ypos = getVarOrDirectWord(0x40); _string[textSlot].overhead = false; break; case 1: /* color */ _string[textSlot].color = getVarOrDirectByte(0x80); break; case 2: /* clipping */ _string[textSlot].right = getVarOrDirectWord(0x80); break; case 3: /* erase */ { int a = getVarOrDirectWord(0x80); int b = getVarOrDirectWord(0x40); warning("Scumm_v5::decodeParseString: Unhandled case 3: %d, %d", a, b); } break; case 4: /* center */ _string[textSlot].center = true; _string[textSlot].overhead = false; break; case 6: /* left */ // FIXME: not sure if GF_OLD_BUNDLE is the right thing to check... // but Loom needs this, for sure. if (_version == 3) { // FIXME: this value seems to be some kind of override // for text spacing?!? /* int a = */ getVarOrDirectWord(0x80); } else { _string[textSlot].center = false; _string[textSlot].overhead = false; } break; case 7: /* overhead */ _string[textSlot].overhead = true; break; case 8:{ /* play loom talkie sound - used in other games ? */ int offset = (uint16)getVarOrDirectWord(0x80); int delay = (uint16)getVarOrDirectWord(0x40); if (_gameId == GID_LOOM256) { VAR(VAR_MUSIC_TIMER) = 0; if (offset == 0 && delay == 0) { _sound->stopCD(); } else { // Loom specified the offset from the start of the CD; // thus we have to subtract the length of the first track // (22500 frames) plus the 2 second = 150 frame leadin. // I.e. in total 22650 frames. offset = (int)(offset * 7.5 - 22650); // Slightly increase the delay (5 frames = 1/25 of a second). // This noticably improves the experience in Loom CD. delay = (int)(delay * 7.5 + 5); _sound->playCDTrack(1, 0, offset, delay); } } else { warning("parseString: 8"); } } break; case 15: _messagePtr = _scriptPointer; switch (textSlot) { case 0: actorTalk(); break; case 1: drawString(1); break; case 2: unkMessage1(); break; case 3: unkMessage2(); break; } // FIXME: Store positions, this is needed for Indy3 (Grail Diary).. // I don't believe this is the correct fix, may cause other problems // later in the game. // // It's also needed for Loom, or the lines Bobbin // speaks during the intro are put at position 0,0. // In addition, Loom needs to remember the text colour. if (_gameId == GID_LOOM || _gameId == GID_INDY3) { _string[textSlot].t_xpos = _string[textSlot].xpos; _string[textSlot].t_ypos = _string[textSlot].ypos; _string[textSlot].t_color = _string[textSlot].color; } _scriptPointer = _messagePtr; return; default: warning("Scumm_v5::decodeParseString: Unhandled case %d", _opcode & 0xF); return; } } _string[textSlot].t_xpos = _string[textSlot].xpos; _string[textSlot].t_ypos = _string[textSlot].ypos; _string[textSlot].t_center = _string[textSlot].center; _string[textSlot].t_overhead = _string[textSlot].overhead; _string[textSlot].t_right = _string[textSlot].right; _string[textSlot].t_color = _string[textSlot].color; _string[textSlot].t_charset = _string[textSlot].charset; } void Scumm_v5::o5_oldRoomEffect() { int a; _opcode = fetchScriptByte(); if ((_opcode & 0x1F) == 3) { a = getVarOrDirectWord(0x80); #if 1 if (_features & GF_FMTOWNS) { // FIXME / TODO: OK the first thing to note is: at least in Zak256, // maybe also in other games, this opcode does a bit more. I added // some stubs here, but somebody with a full IDA or more knowledge // about this will have to fill in the gaps. At least now we know // that something is missing here :-) if (a == 4) { printf("o5_oldRoomEffect ODDBALL: _opcode = 0x%x, a = 0x%x\n", _opcode, a); // No idea what byte_2FCCF is, but it's a globale boolean flag. // I only add it here as a temporary hack to make the pseudo code compile. // Maybe it is just there as a reentry protection guard, given // how it is used? It might also correspond to _screenEffectFlag. int byte_2FCCF = 0; // For now, we force a redraw of the screen background. This // Makes the Zak end credits work more or less correctly. VirtScreen *vs = &virtscr[0]; restoreBG(ScummVM::Rect(0,vs->topline, vs->width, vs->topline + vs->height)); virtscr[0].setDirtyRange(0, virtscr[0].height); updateDirtyScreen(0); if (byte_2FCCF) { // Here now "sub_1C44" is called, which sets byte_2FCCF to 0 then // calls yet another sub (which also reads byte_2FCCF): byte_2FCCF = 0; //call sub_0BB3 // Now sub_085C is called. This is quite simply: it sets // 0xF000 bytes. starting at 0x40000 to 0. No idea what that // buffer is, maybe a screen buffer, though. Note that // 0xF000 = 320*192. // Maybe this is also the charset mask being cleaned? // call sub_085C // And then sub_1C54 is called, which is almost identical to // the above sub_1C44, only it sets byte_2FCCF to 1: byte_2FCCF = 1; // call sub_0BB3 } else { // Here only sub_085C is called (see comment above) // call sub_085C } return; } #endif } if (a) { _switchRoomEffect = (byte)(a&0xFF); _switchRoomEffect2 = (byte)(a >> 8); } else { fadeIn(_newEffect); } } } void Scumm_v5::o5_pickupObjectOld() { int obj = getVarOrDirectWord(0x80); if (obj < 1) { error("pickupObjectOld received invalid index %d (script %d)", obj, vm.slot[_currentScript].number); } if (getObjectIndex(obj) == -1) return; if (whereIsObject(obj) == WIO_INVENTORY) /* Don't take an */ return; /* object twice */ // warning("adding %d from %d to inventoryOld", obj, _currentRoom); addObjectToInventory(obj, _roomResource); removeObjectFromRoom(obj); putOwner(obj, VAR(VAR_EGO)); putClass(obj, kObjectClassUntouchable, 1); putState(obj, 1); clearDrawObjectQueue(); runInventoryScript(1); }