/* ScummVM - Scumm Interpreter * Copyright (C) 2001 Ludvig Strigeus * Copyright (C) 2001-2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * * $Header$ * */ #include "common/stdafx.h" #include "common/savefile.h" #include "scumm/actor.h" #include "scumm/charset.h" #include "scumm/imuse.h" #include "scumm/intern_he.h" #include "scumm/object.h" #include "scumm/resource.h" #include "scumm/scumm.h" #include "scumm/sound.h" #include "scumm/usage_bits.h" #include "scumm/util.h" #include "scumm/verbs.h" namespace Scumm { struct vsUnpackCtx { uint8 size; uint8 type; uint8 b; uint8 *ptr; }; struct vsPackCtx { int size; uint8 buf[256]; }; static void virtScreenSavePackBuf(vsPackCtx *ctx, uint8 *&dst, int len); static void virtScreenSavePackByte(vsPackCtx *ctx, uint8 *&dst, int len, uint8 b); static uint8 virtScreenLoadUnpack(vsUnpackCtx *ctx, byte *data); static int virtScreenSavePack(byte *dst, byte *src, int len, int unk); // Compatibility notes: // // FBEAR (fbear, fbeardemo) // transparency in akos.cpp // negative size in file read/write #define OPCODE(x) _OPCODE(ScummEngine_v60he, x) void ScummEngine_v60he::setupOpcodes() { static const OpcodeEntryv60he opcodes[256] = { /* 00 */ OPCODE(o6_pushByte), OPCODE(o6_pushWord), OPCODE(o6_pushByteVar), OPCODE(o6_pushWordVar), /* 04 */ OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_byteArrayRead), OPCODE(o6_wordArrayRead), /* 08 */ OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_byteArrayIndexedRead), OPCODE(o6_wordArrayIndexedRead), /* 0C */ OPCODE(o6_dup), OPCODE(o6_not), OPCODE(o6_eq), OPCODE(o6_neq), /* 10 */ OPCODE(o6_gt), OPCODE(o6_lt), OPCODE(o6_le), OPCODE(o6_ge), /* 14 */ OPCODE(o6_add), OPCODE(o6_sub), OPCODE(o6_mul), OPCODE(o6_div), /* 18 */ OPCODE(o6_land), OPCODE(o6_lor), OPCODE(o6_pop), OPCODE(o6_invalid), /* 1C */ OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_invalid), /* 20 */ OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_invalid), /* 24 */ OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_invalid), /* 28 */ OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_invalid), /* 2C */ OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_invalid), /* 30 */ OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_invalid), /* 34 */ OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_invalid), /* 38 */ OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_invalid), /* 3C */ OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_invalid), /* 40 */ OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_writeByteVar), OPCODE(o6_writeWordVar), /* 44 */ OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_byteArrayWrite), OPCODE(o6_wordArrayWrite), /* 48 */ OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_byteArrayIndexedWrite), OPCODE(o6_wordArrayIndexedWrite), /* 4C */ OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_byteVarInc), OPCODE(o6_wordVarInc), /* 50 */ OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_byteArrayInc), OPCODE(o6_wordArrayInc), /* 54 */ OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_byteVarDec), OPCODE(o6_wordVarDec), /* 58 */ OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_byteArrayDec), OPCODE(o6_wordArrayDec), /* 5C */ OPCODE(o6_if), OPCODE(o6_ifNot), OPCODE(o6_startScript), OPCODE(o6_startScriptQuick), /* 60 */ OPCODE(o6_startObject), OPCODE(o6_drawObject), OPCODE(o6_drawObjectAt), OPCODE(o6_invalid), /* 64 */ OPCODE(o6_invalid), OPCODE(o6_stopObjectCode), OPCODE(o6_stopObjectCode), OPCODE(o6_endCutscene), /* 68 */ OPCODE(o6_cutscene), OPCODE(o6_stopMusic), OPCODE(o6_freezeUnfreeze), OPCODE(o6_cursorCommand), /* 6C */ OPCODE(o6_breakHere), OPCODE(o6_ifClassOfIs), OPCODE(o6_setClass), OPCODE(o6_getState), /* 70 */ OPCODE(o60_setState), OPCODE(o6_setOwner), OPCODE(o6_getOwner), OPCODE(o6_jump), /* 74 */ OPCODE(o6_startSound), OPCODE(o6_stopSound), OPCODE(o6_startMusic), OPCODE(o6_stopObjectScript), /* 78 */ OPCODE(o6_panCameraTo), OPCODE(o6_actorFollowCamera), OPCODE(o6_setCameraAt), OPCODE(o6_loadRoom), /* 7C */ OPCODE(o6_stopScript), OPCODE(o6_walkActorToObj), OPCODE(o6_walkActorTo), OPCODE(o6_putActorAtXY), /* 80 */ OPCODE(o6_putActorAtObject), OPCODE(o6_faceActor), OPCODE(o6_animateActor), OPCODE(o6_doSentence), /* 84 */ OPCODE(o6_pickupObject), OPCODE(o6_loadRoomWithEgo), OPCODE(o6_invalid), OPCODE(o6_getRandomNumber), /* 88 */ OPCODE(o6_getRandomNumberRange), OPCODE(o6_invalid), OPCODE(o6_getActorMoving), OPCODE(o6_isScriptRunning), /* 8C */ OPCODE(o6_getActorRoom), OPCODE(o6_getObjectX), OPCODE(o6_getObjectY), OPCODE(o6_getObjectOldDir), /* 90 */ OPCODE(o6_getActorWalkBox), OPCODE(o6_getActorCostume), OPCODE(o6_findInventory), OPCODE(o6_getInventoryCount), /* 94 */ OPCODE(o6_getVerbFromXY), OPCODE(o6_beginOverride), OPCODE(o6_endOverride), OPCODE(o6_setObjectName), /* 98 */ OPCODE(o6_isSoundRunning), OPCODE(o6_setBoxFlags), OPCODE(o6_invalid), OPCODE(o6_resourceRoutines), /* 9C */ OPCODE(o60_roomOps), OPCODE(o60_actorOps), OPCODE(o6_verbOps), OPCODE(o6_getActorFromXY), /* A0 */ OPCODE(o6_findObject), OPCODE(o6_pseudoRoom), OPCODE(o6_getActorElevation), OPCODE(o6_getVerbEntrypoint), /* A4 */ OPCODE(o6_arrayOps), OPCODE(o6_saveRestoreVerbs), OPCODE(o6_drawBox), OPCODE(o6_pop), /* A8 */ OPCODE(o6_getActorWidth), OPCODE(o60_wait), OPCODE(o6_getActorScaleX), OPCODE(o6_getActorAnimCounter1), /* AC */ OPCODE(o6_invalid), OPCODE(o6_isAnyOf), OPCODE(o6_systemOps), OPCODE(o6_isActorInBox), /* B0 */ OPCODE(o6_delay), OPCODE(o6_delaySeconds), OPCODE(o6_delayMinutes), OPCODE(o6_stopSentence), /* B4 */ OPCODE(o6_printLine), OPCODE(o6_printText), OPCODE(o6_printDebug), OPCODE(o6_printSystem), /* B8 */ OPCODE(o6_printActor), OPCODE(o6_printEgo), OPCODE(o6_talkActor), OPCODE(o6_talkEgo), /* BC */ OPCODE(o6_dimArray), OPCODE(o6_stopObjectCode), OPCODE(o6_startObjectQuick), OPCODE(o6_startScriptQuick2), /* C0 */ OPCODE(o6_dim2dimArray), OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_invalid), /* C4 */ OPCODE(o6_abs), OPCODE(o6_distObjectObject), OPCODE(o6_distObjectPt), OPCODE(o6_distPtPt), /* C8 */ OPCODE(o60_kernelGetFunctions), OPCODE(o60_kernelSetFunctions), OPCODE(o6_delayFrames), OPCODE(o6_pickOneOf), /* CC */ OPCODE(o6_pickOneOfDefault), OPCODE(o6_stampObject), OPCODE(o6_invalid), OPCODE(o6_invalid), /* D0 */ OPCODE(o6_getDateTime), OPCODE(o6_stopTalking), OPCODE(o6_getAnimateVariable), OPCODE(o6_invalid), /* D4 */ OPCODE(o6_shuffle), OPCODE(o6_jumpToScript), OPCODE(o6_band), OPCODE(o6_bor), /* D8 */ OPCODE(o6_isRoomScriptRunning), OPCODE(o60_closeFile), OPCODE(o60_openFile), OPCODE(o60_readFile), /* DC */ OPCODE(o60_writeFile), OPCODE(o6_findAllObjects), OPCODE(o60_deleteFile), OPCODE(o60_rename), /* E0 */ OPCODE(o60_soundOps), OPCODE(o6_getPixel), OPCODE(o60_localizeArrayToScript), OPCODE(o6_pickVarRandom), /* E4 */ OPCODE(o6_setBoxSet), OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_invalid), /* E8 */ OPCODE(o6_invalid), OPCODE(o60_seekFilePos), OPCODE(o60_redimArray), OPCODE(o60_readFilePos), /* EC */ OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_invalid), /* F0 */ OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_invalid), /* F4 */ OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_invalid), /* F8 */ OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_invalid), /* FC */ OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_invalid), OPCODE(o6_invalid), }; _opcodesv60he = opcodes; } void ScummEngine_v60he::executeOpcode(byte i) { OpcodeProcv60he op = _opcodesv60he[i].proc; (this->*op) (); } const char *ScummEngine_v60he::getOpcodeDesc(byte i) { return _opcodesv60he[i].desc; } void ScummEngine_v60he::o60_setState() { int state = pop(); int obj = pop(); if (state & 0x8000) { state &= 0x7FFF; putState(obj, state); if (_heversion >= 72) removeObjectFromDrawQue(obj); } else { putState(obj, state); markObjectRectAsDirty(obj); if (_bgNeedsRedraw) clearDrawObjectQueue(); } } void ScummEngine_v60he::o60_roomOps() { int a, b, c, d, e; byte subOp = fetchScriptByte(); switch (subOp) { case 172: // SO_ROOM_SCROLL b = pop(); a = pop(); 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 174: // SO_ROOM_SCREEN b = pop(); a = pop(); if (_heversion >= 71) initScreens(a, _screenHeight); else initScreens(a, b); break; case 175: // SO_ROOM_PALETTE d = pop(); c = pop(); b = pop(); a = pop(); setPalColor(d, a, b, c); break; case 176: // SO_ROOM_SHAKE_ON setShake(1); break; case 177: // SO_ROOM_SHAKE_OFF setShake(0); break; case 179: // SO_ROOM_INTENSITY c = pop(); b = pop(); a = pop(); darkenPalette(a, a, a, b, c); break; case 180: // SO_ROOM_SAVEGAME _saveTemporaryState = true; _saveLoadSlot = pop(); _saveLoadFlag = pop(); break; case 181: // SO_ROOM_FADE a = pop(); if (_heversion >= 70) { // Defaults to 1 but doesn't use fade effects } else if (a) { _switchRoomEffect = (byte)(a & 0xFF); _switchRoomEffect2 = (byte)(a >> 8); } else { fadeIn(_newEffect); } break; case 182: // SO_RGB_ROOM_INTENSITY e = pop(); d = pop(); c = pop(); b = pop(); a = pop(); darkenPalette(a, b, c, d, e); break; case 183: // SO_ROOM_SHADOW e = pop(); d = pop(); c = pop(); b = pop(); a = pop(); if (_heversion == 60) setupShadowPalette(a, b, c, d, e, 0, 256); break; case 186: // SO_ROOM_TRANSFORM d = pop(); c = pop(); b = pop(); a = pop(); palManipulateInit(a, b, c, d); break; case 187: // SO_CYCLE_SPEED b = pop(); a = pop(); checkRange(16, 1, a, "o60_roomOps: 187: color cycle out of range (%d)"); _colorCycle[a - 1].delay = (b != 0) ? 0x4000 / (b * 0x4C) : 0; break; case 213: // SO_ROOM_NEW_PALETTE a = pop(); setPalette(a); break; case 220: a = pop(); b = pop(); copyPalColor(a, b); break; case 221: int len; len = resStrLen(_scriptPointer); _scriptPointer += len + 1; _saveLoadFlag = pop(); _saveLoadSlot = 1; _saveTemporaryState = true; break; case 234: // HE 7.2 b = pop(); a = pop(); swapObjects(a, b); break; case 236: // HE 7.2 b = pop(); a = pop(); setRoomPalette(a, b); break; default: error("o60_roomOps: default case %d", subOp); } } void ScummEngine_v60he::swapObjects(int object1, int object2) { int idx1 = -1, idx2 = -1; for (int i = 0; i < _numLocalObjects; i++) { if (_objs[i].obj_nr == object1) idx1 = i; if (_objs[i].obj_nr == object2) idx2 = i; } if (idx1 == -1 || idx2 == -1 || idx1 <= idx2) return; stopObjectScript(object1); stopObjectScript(object2); ObjectData tmpOd; memcpy(&tmpOd, &_objs[idx1], sizeof(tmpOd)); memcpy(&_objs[idx1], &_objs[idx2], sizeof(tmpOd)); memcpy(&_objs[idx2], &tmpOd, sizeof(tmpOd)); } void ScummEngine_v60he::o60_actorOps() { Actor *a; int i, j, k; int args[8]; byte subOp = fetchScriptByte(); if (subOp == 197) { _curActor = pop(); return; } a = derefActorSafe(_curActor, "o60_actorOps"); if (!a) return; switch (subOp) { case 30: // _heversion >= 70 _actorClipOverride.bottom = pop(); _actorClipOverride.right = pop(); _actorClipOverride.top = pop(); _actorClipOverride.left = pop(); break; case 76: // SO_COSTUME a->setActorCostume(pop()); break; case 77: // SO_STEP_DIST j = pop(); i = pop(); a->setActorWalkSpeed(i, j); break; case 78: // SO_SOUND k = getStackList(args, ARRAYSIZE(args)); for (i = 0; i < k; i++) a->_sound[i] = args[i]; break; case 79: // SO_WALK_ANIMATION a->_walkFrame = pop(); break; case 80: // SO_TALK_ANIMATION a->_talkStopFrame = pop(); a->_talkStartFrame = pop(); break; case 81: // SO_STAND_ANIMATION a->_standFrame = pop(); break; case 82: // SO_ANIMATION // dummy case in scumm6 pop(); pop(); pop(); break; case 83: // SO_DEFAULT a->initActor(0); break; case 84: // SO_ELEVATION a->setElevation(pop()); break; case 85: // SO_ANIMATION_DEFAULT a->_initFrame = 1; a->_walkFrame = 2; a->_standFrame = 3; a->_talkStartFrame = 4; a->_talkStopFrame = 5; break; case 86: // SO_PALETTE j = pop(); i = pop(); checkRange(255, 0, i, "Illegal palette slot %d"); a->remapActorPaletteColor(i, j); a->_needRedraw = true; break; case 87: // SO_TALK_COLOR a->_talkColor = pop(); break; case 88: // SO_ACTOR_NAME loadPtrToResource(rtActorName, a->_number, NULL); break; case 89: // SO_INIT_ANIMATION a->_initFrame = pop(); break; case 91: // SO_ACTOR_WIDTH a->_width = pop(); break; case 92: // SO_SCALE i = pop(); a->setScale(i, i); break; case 93: // SO_NEVER_ZCLIP a->_forceClip = 0; break; case 94: // SO_ALWAYS_ZCLIP a->_forceClip = pop(); break; case 95: // SO_IGNORE_BOXES a->_ignoreBoxes = 1; a->_forceClip = 0; if (a->isInCurrentRoom()) a->putActor(a->_pos.x, a->_pos.y, a->_room); break; case 96: // SO_FOLLOW_BOXES a->_ignoreBoxes = 0; a->_forceClip = 0; if (a->isInCurrentRoom()) a->putActor(a->_pos.x, a->_pos.y, a->_room); break; case 97: // SO_ANIMATION_SPEED a->setAnimSpeed(pop()); break; case 98: // SO_SHADOW a->_shadowMode = pop(); a->_needRedraw = true; break; case 99: // SO_TEXT_OFFSET a->_talkPosY = pop(); a->_talkPosX = pop(); break; case 156: // HE 7.2 a->_charset = pop(); break; case 198: // SO_ACTOR_VARIABLE i = pop(); a->setAnimVar(pop(), i); break; case 215: // SO_ACTOR_IGNORE_TURNS_ON a->_ignoreTurns = true; break; case 216: // SO_ACTOR_IGNORE_TURNS_OFF a->_ignoreTurns = false; break; case 217: // SO_ACTOR_NEW a->initActor(2); break; case 218: a->drawActorToBackBuf(a->_pos.x, a->_pos.y); break; case 219: a->_drawToBackBuf = false; a->_needRedraw = true; a->_needBgReset = true; break; case 225: { byte string[128]; copyScriptString(string); int slot = pop(); int len = resStrLen(string) + 1; convertMessageToString(string, a->_heTalkQueue[slot].sentence, len); a->_heTalkQueue[slot].posX = a->_talkPosX; a->_heTalkQueue[slot].posY = a->_talkPosY; a->_heTalkQueue[slot].color = a->_talkColor; break; } default: error("o60_actorOps: default case %d", subOp); } } void ScummEngine_v60he::o60_wait() { int actnum; int offs = -2; Actor *a; byte subOp = fetchScriptByte(); switch (subOp) { case 168: // SO_WAIT_FOR_ACTOR Wait for actor offs = fetchScriptWordSigned(); actnum = pop(); a = derefActor(actnum, "o60_wait:168"); if (a->_moving) break; return; case 169: // SO_WAIT_FOR_MESSAGE Wait for message if (VAR(VAR_HAVE_MSG)) break; return; case 170: // SO_WAIT_FOR_CAMERA Wait for camera if (camera._cur.x / 8 != camera._dest.x / 8) break; return; case 171: // SO_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("o60_wait: default case 0x%x", subOp); } _scriptPointer += offs; o6_breakHere(); } void ScummEngine_v60he::o60_kernelSetFunctions() { int args[29]; int num; num = getStackList(args, ARRAYSIZE(args)); switch (args[0]) { case 1: // Used to restore images when decorating cake in // Fatty Bear's Birthday Surprise virtScreenLoad(args[1], args[2], args[3], args[4], args[5]); break; case 3: case 4: case 5: case 6: case 8: //Used before mini games in 3DO versions, seems safe to ignore. break; default: error("o60_kernelSetFunctions: default case %d (param count %d)", args[0], num); } } void ScummEngine_v60he::virtScreenLoad(int resIdx, int x1, int y1, int x2, int y2) { vsUnpackCtx ctx; memset(&ctx, 0, sizeof(ctx)); VirtScreen &vs = virtscr[kMainVirtScreen]; ArrayHeader *ah = (ArrayHeader *)getResourceAddress(rtString, resIdx); virtScreenLoadUnpack(&ctx, ah->data); for (int j = y1; j <= y2; ++j) { uint8 *p1 = vs.getPixels(x1, j - vs.topline); uint8 *p2 = vs.getBackPixels(x1, j - vs.topline); if (x2 >= x1) { uint32 w = x2 - x1 + 1; while (w--) { uint8 decByte = virtScreenLoadUnpack(&ctx, 0); *p1++ = decByte; *p2++ = decByte; } } } markRectAsDirty(kMainVirtScreen, x1, x2, y1, y2 + 1, USAGE_BIT_RESTORED); } uint8 virtScreenLoadUnpack(vsUnpackCtx *ctx, byte *data) { uint8 decByte; if (data != 0) { ctx->type = 0; ctx->ptr = data; decByte = 0; } else { uint8 a; if (ctx->type == 0) { a = *(ctx->ptr)++; if (a & 1) { ctx->type = 1; ctx->b = *(ctx->ptr)++; } else { ctx->type = 2; } ctx->size = a; a = (a >> 1) + 1; } else { a = ctx->size; } if (ctx->type == 2) { ctx->b = *(ctx->ptr)++; } ctx->size = a - 1; if (ctx->size == 0) { ctx->type = 0; } decByte = ctx->b; } return decByte; } void ScummEngine_v60he::o60_kernelGetFunctions() { int args[29]; ArrayHeader *ah; getStackList(args, ARRAYSIZE(args)); switch (args[0]) { case 1: // Used to store images when decorating cake in // Fatty Bear's Birthday Surprise writeVar(0, 0); ah = defineArray(0, kByteArray, 0, virtScreenSave(0, args[1], args[2], args[3], args[4])); virtScreenSave(ah->data, args[1], args[2], args[3], args[4]); push(readVar(0)); break; default: error("o60_kernelGetFunctions: default case %d", args[0]); } } int ScummEngine_v60he::virtScreenSave(byte *dst, int x1, int y1, int x2, int y2) { int packedSize = 0; VirtScreen &vs = virtscr[kMainVirtScreen]; for (int j = y1; j <= y2; ++j) { uint8 *p = vs.getBackPixels(x1, j - vs.topline); int size = virtScreenSavePack(dst, p, x2 - x1 + 1, 0); if (dst != 0) { dst += size; } packedSize += size; } return packedSize; } int virtScreenSavePack(byte *dst, byte *src, int len, int unk) { vsPackCtx ctx; memset(&ctx, 0, sizeof(ctx)); uint8 prevByte, curByte; ctx.buf[0] = prevByte = *src++; int flag = 0; int iend = 1; int ibeg = 0; for (--len; len != 0; --len, prevByte = curByte) { bool pass = false; assert(iend < 0x100); ctx.buf[iend] = curByte = *src++; ++iend; if (flag == 0) { if (iend > 0x80) { virtScreenSavePackBuf(&ctx, dst, iend - 1); ctx.buf[0] = curByte; iend = 1; ibeg = 0; continue; } if (prevByte != curByte) { ibeg = iend - 1; continue; } if (iend - ibeg < 3) { if (ibeg != 0) { pass = true; } else { flag = 1; } } else { if (ibeg > 0) { virtScreenSavePackBuf(&ctx, dst, ibeg); } flag = 1; } } if (flag == 1 || pass) { if (prevByte != curByte || iend - ibeg > 0x80) { virtScreenSavePackByte(&ctx, dst, iend - ibeg - 1, prevByte); ctx.buf[0] = curByte; iend = 1; ibeg = 0; flag = 0; } } } if (flag == 0) { virtScreenSavePackBuf(&ctx, dst, iend); } else if (flag == 1) { virtScreenSavePackByte(&ctx, dst, iend - ibeg, prevByte); } return ctx.size; } void virtScreenSavePackBuf(vsPackCtx *ctx, uint8 *&dst, int len) { if (dst) { *dst++ = (len - 1) * 2; } ++ctx->size; if (len > 0) { ctx->size += len; if (dst) { memcpy(dst, ctx->buf, len); dst += len; } } } void virtScreenSavePackByte(vsPackCtx *ctx, uint8 *&dst, int len, uint8 b) { if (dst) { *dst++ = ((len - 1) * 2) | 1; } ++ctx->size; if (dst) { *dst++ = b; } ++ctx->size; } void ScummEngine_v60he::o60_openFile() { int mode, len, slot, l, r; byte filename[100]; convertMessageToString(_scriptPointer, filename, sizeof(filename)); len = resStrLen(_scriptPointer); _scriptPointer += len + 1; for (r = strlen((char*)filename); r != 0; r--) { if (filename[r - 1] == '\\') break; } mode = pop(); slot = -1; for (l = 0; l < 17; l++) { if (_hFileTable[l].isOpen() == false) { slot = l; break; } } if (slot != -1) { switch(mode) { case 1: _hFileTable[slot].open((char*)filename + r, Common::File::kFileReadMode, _saveFileMan->getSavePath()); if (_hFileTable[slot].isOpen() == false) _hFileTable[slot].open((char*)filename + r, Common::File::kFileReadMode); break; case 2: _hFileTable[slot].open((char*)filename + r, Common::File::kFileWriteMode, _saveFileMan->getSavePath()); break; default: error("o60_openFile(): wrong open file mode %d", mode); } if (_hFileTable[slot].isOpen() == false) slot = -1; } push(slot); } void ScummEngine_v60he::o60_closeFile() { int slot = pop(); if (slot != -1) _hFileTable[slot].close(); } void ScummEngine_v60he::o60_deleteFile() { int len, r; byte filename[100]; convertMessageToString(_scriptPointer, filename, sizeof(filename)); len = resStrLen(_scriptPointer); _scriptPointer += len + 1; for (r = strlen((char*)filename); r != 0; r--) { if (filename[r - 1] == '\\') break; } debug(1, "stub o60_deleteFile(\"%s\")", filename + r); } void ScummEngine_v60he::o60_rename() { int len, r1, r2; byte filename[100],filename2[100]; convertMessageToString(_scriptPointer, filename, sizeof(filename)); len = resStrLen(_scriptPointer); _scriptPointer += len + 1; for (r1 = strlen((char*)filename); r1 != 0; r1--) { if (filename[r1 - 1] == '\\') break; } convertMessageToString(_scriptPointer, filename2, sizeof(filename2)); len = resStrLen(_scriptPointer); _scriptPointer += len + 1; for (r2 = strlen((char*)filename2); r2 != 0; r2--) { if (filename2[r2 - 1] == '\\') break; } debug(1, "stub o60_rename(\"%s\" to \"%s\")", filename + r1, filename2 + r2); } int ScummEngine_v60he::readFileToArray(int slot, int32 size) { if (size == 0) size = _hFileTable[slot].size() - _hFileTable[slot].pos(); writeVar(0, 0); ArrayHeader *ah = defineArray(0, kByteArray, 0, size); _hFileTable[slot].read(ah->data, size); return readVar(0); } void ScummEngine_v60he::o60_readFile() { int32 size = pop(); int slot = pop(); int val; // Fatty Bear uses positive values if ((_platform == Common::kPlatformPC) && (_gameId == GID_FBEAR)) size = -size; if (size == -2) { val = _hFileTable[slot].readUint16LE(); push(val); } else if (size == -1) { val = _hFileTable[slot].readByte(); push(val); } else { val = readFileToArray(slot, size); push(val); } } void ScummEngine_v60he::writeFileFromArray(int slot, int resID) { ArrayHeader *ah = (ArrayHeader *)getResourceAddress(rtString, resID); int32 size = FROM_LE_16(ah->dim1) * FROM_LE_16(ah->dim2); _hFileTable[slot].write(ah->data, size); } void ScummEngine_v60he::o60_writeFile() { int32 size = pop(); int16 resID = pop(); int slot = pop(); // Fatty Bear uses positive values if ((_platform == Common::kPlatformPC) && (_gameId == GID_FBEAR)) size = -size; if (size == -2) { _hFileTable[slot].writeUint16LE(resID); } else if (size == -1) { _hFileTable[slot].writeByte(resID); } else { writeFileFromArray(slot, resID); } } void ScummEngine_v60he::o60_soundOps() { byte subOp = fetchScriptByte(); int arg = pop(); switch (subOp) { case 0xde: _imuse->setMusicVolume(arg); break; case 0xdf: // Used in fbear introduction break; case 0xe0: // Fatty Bear's Birthday surprise uses this when playing the // piano, but only when using one of the digitized instruments. // See also o6_startSound(). _sound->setOverrideFreq(arg); break; default: error("o60_soundOps: default case 0x%x", subOp); } } void ScummEngine_v60he::localizeArray(int slot, byte scriptSlot) { if (_heversion >= 80) slot &= ~0x33539000; if (slot >= _numArray) error("o60_localizeArrayToScript(%d): array slot out of range", slot); _arraySlot[slot] = scriptSlot; } void ScummEngine_v60he::o60_localizeArrayToScript() { int slot = pop(); localizeArray(slot, _currentScript); } void ScummEngine_v60he::o60_seekFilePos() { int mode, offset, slot; mode = pop(); offset = pop(); slot = pop(); if (slot == -1) return; switch (mode) { case 1: _hFileTable[slot].seek(offset, SEEK_SET); break; case 2: _hFileTable[slot].seek(offset, SEEK_CUR); break; case 3: _hFileTable[slot].seek(offset, SEEK_END); break; default: error("o60_seekFilePos: default case %d", mode); } } void ScummEngine_v60he::o60_readFilePos() { int slot = pop(); if (slot == -1) { push(0); return; } push(_hFileTable[slot].pos()); } void ScummEngine_v60he::o60_redimArray() { int newX, newY; newY = pop(); newX = pop(); if (newY == 0) SWAP(newX, newY); byte subOp = fetchScriptByte(); switch (subOp) { case 199: redimArray(fetchScriptWord(), newX, newY, kIntArray); break; case 202: redimArray(fetchScriptWord(), newX, newY, kByteArray); break; default: error("o60_redimArray: default type %d", subOp); } } void ScummEngine_v60he::redimArray(int arrayId, int newX, int newY, int type) { // Used in mini game at Cosmic Dust Diner in puttmoon int newSize, oldSize; if (readVar(arrayId) == 0) error("redimArray: Reference to zeroed array pointer"); ArrayHeader *ah = (ArrayHeader *)getResourceAddress(rtString, readVar(arrayId)); if (!ah) error("redimArray: Invalid array (%d) reference", readVar(arrayId)); newSize = (type == kIntArray) ? 2 : 1; oldSize = (ah->type == kIntArray) ? 2 : 1; newSize *= (newX + 1) * (newY + 1); oldSize *= FROM_LE_16(ah->dim1) * FROM_LE_16(ah->dim2); if (newSize != oldSize) error("redimArray: array %d redim mismatch", readVar(arrayId)); ah->type = TO_LE_16(type); ah->dim1 = TO_LE_16(newY + 1); ah->dim2 = TO_LE_16(newX + 1); } void ScummEngine_v60he::decodeParseString(int m, int n) { int i, colors; int args[31]; byte b = fetchScriptByte(); switch (b) { case 65: // SO_AT _string[m].ypos = pop(); _string[m].xpos = pop(); _string[m].overhead = false; break; case 66: // SO_COLOR _string[m].color = pop(); break; case 67: // SO_CLIPPED _string[m].right = pop(); break; case 69: // SO_CENTER _string[m].center = true; _string[m].overhead = false; break; case 71: // SO_LEFT _string[m].center = false; _string[m].overhead = false; break; case 72: // SO_OVERHEAD _string[m].overhead = true; _string[m].no_talk_anim = false; break; case 74: // SO_MUMBLE _string[m].no_talk_anim = true; break; case 75: // SO_TEXTSTRING printString(m, _scriptPointer); _scriptPointer += resStrLen(_scriptPointer) + 1; break; case 0xF9: colors = pop(); if (colors == 1) { _string[m].color = pop(); } else { push(colors); getStackList(args, ARRAYSIZE(args)); for (i = 0; i < 16; i++) _charsetColorMap[i] = _charsetData[_string[1]._default.charset][i] = (unsigned char)args[i]; _string[m].color = _charsetColorMap[0]; } break; case 0xFE: _string[m].loadDefault(); if (n) _actorToPrintStrFor = pop(); break; case 0xFF: _string[m].saveDefault(); break; default: error("decodeParseString: default case 0x%x", b); } } } // End of namespace Scumm