/* ScummVM - Scumm Interpreter * Copyright (C) 2001 Ludvig Strigeus * Copyright (C) 2001-2004 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. * * $Header$ * */ #ifndef SCUMM_H #define SCUMM_H #include "base/engine.h" #include "common/file.h" #include "common/map.h" #include "common/rect.h" #include "common/str.h" #include "scumm/gfx.h" #include "scumm/script.h" namespace GUI { class Dialog; } using GUI::Dialog; class GameDetector; namespace Scumm { class Actor; class BaseCostumeRenderer; class CharsetRenderer; class IMuse; class IMuseDigital; class Insane; class MusicEngine; class ScummEngine; class ScummDebugger; class Serializer; class Sound; struct Box; struct BoxCoords; struct FindObjectInRoom; struct ScummGameSettings; typedef Common::Map ObjectIDMap; class ScummFile : public File { private: byte _encbyte; uint32 _subFileStart; uint32 _subFileLen; public: ScummFile(); void setEnc(byte value); void setSubfileRange(uint32 start, uint32 len); void resetSubfile(); bool open(const char *filename, AccessMode mode = kFileReadMode, const char *directory = NULL); bool openSubFile(const char *filename); bool eof(); uint32 pos(); uint32 size(); void seek(int32 offs, int whence = SEEK_SET); uint32 read(void *ptr, uint32 size); uint32 write(const void *ptr, uint32 size); }; // Use g_scumm from error() ONLY extern ScummEngine *g_scumm; /* System Wide Constants */ enum { NUM_SENTENCE = 6, NUM_SHADOW_PALETTE = 8, KEY_ALL_SKIP = 3457 // WinCE }; /** SCUMM feature flags. */ enum GameFeatures { GF_NEW_OPCODES = 1 << 0, GF_NEW_CAMERA = 1 << 1, GF_NEW_COSTUMES = 1 << 2, GF_DIGI_IMUSE = 1 << 3, GF_USE_KEY = 1 << 4, GF_DRAWOBJ_OTHER_ORDER = 1 << 5, GF_SMALL_HEADER = 1 << 6, GF_SMALL_NAMES = 1 << 7, GF_OLD_BUNDLE = 1 << 8, GF_16COLOR = 1 << 9, GF_OLD256 = 1 << 10, GF_AUDIOTRACKS = 1 << 11, GF_NO_SCALING = 1 << 12, GF_FEW_LOCALS = 1 << 13, GF_HUMONGOUS = 1 << 14, GF_MULTIPLE_VERSIONS = 1 << 15, GF_FMTOWNS = 1 << 17, GF_AMIGA = 1 << 18, GF_NES = 1 << 19, GF_ATARI_ST = 1 << 20, GF_MACINTOSH = 1 << 21, GF_PC = 1 << 22, GF_WINDOWS = 1 << 23, GF_DEMO = 1 << 24, GF_EXTERNAL_CHARSET = GF_SMALL_HEADER }; enum ObjectClass { kObjectClassNeverClip = 20, kObjectClassAlwaysClip = 21, kObjectClassIgnoreBoxes = 22, kObjectClassYFlip = 29, kObjectClassXFlip = 30, kObjectClassPlayer = 31, // Actor is controlled by the player kObjectClassUntouchable = 32 }; /* SCUMM Debug Channels */ void CDECL debugC(int level, const char *s, ...); struct dbgChannelDesc { const char *channel, *desc; uint32 flag; }; enum { DEBUG_GENERAL = 1 << 0, // General debug DEBUG_SCRIPTS = 1 << 2, // Track script execution (start/stop/pause) DEBUG_OPCODES = 1 << 3, // Track opcode invocations DEBUG_VARS = 1 << 4, // Track variable changes DEBUG_RESOURCE = 1 << 5, // Track resource loading / allocation DEBUG_IMUSE = 1 << 6, // Track iMUSE events DEBUG_SOUND = 1 << 7, // General Sound Debug DEBUG_ACTORS = 1 << 8, // General Actor Debug DEBUG_INSANE = 1 << 9, // Track INSANE DEBUG_SMUSH = 1 << 10 // Track SMUSH }; // Debug channel lookup table for Debugger console static const dbgChannelDesc debugChannels[] = { {"SCRIPTS", "Track script execution", DEBUG_SCRIPTS}, {"OPCODES", "Track opcode execution", DEBUG_OPCODES}, {"IMUSE", "Track iMUSE events", DEBUG_IMUSE}, {"RESOURCE", "Track resource loading/management", DEBUG_RESOURCE}, {"VARS", "Track variable changes", DEBUG_VARS}, {"ACTORS", "Actor-related debug", DEBUG_ACTORS}, {"SOUND", "Sound related debug", DEBUG_SOUND}, {"INSANE", "Track INSANE", DEBUG_INSANE}, {"SMUSH", "Track SMUSH", DEBUG_SMUSH} }; struct MemBlkHeader { uint32 size; }; struct VerbSlot; struct ObjectData; struct BlastText { int16 xpos, ypos; Common::Rect rect; byte color; byte charset; bool center; byte text[256]; }; struct V2MouseoverBox { Common::Rect rect; byte color; byte hicolor; }; enum ResTypes { rtFirst = 1, rtRoom = 1, rtScript = 2, rtCostume = 3, rtSound = 4, rtInventory = 5, rtCharset = 6, rtString = 7, rtVerb = 8, rtActorName = 9, rtBuffer = 10, rtScaleTable = 11, rtTemp = 12, rtFlObject = 13, rtMatrix = 14, rtBox = 15, rtObjectName = 16, rtRoomScripts = 17, rtRoomImage = 18, rtImage = 19, rtTalkie = 20, rtLast = 20, rtNumTypes = 21 }; enum { LIGHTMODE_dark = 0, LIGHTMODE_actor_base = 1, LIGHTMODE_screen = 2, LIGHTMODE_flashlight = 4, LIGHTMODE_actor_color = 8 }; enum { MBS_LEFT_CLICK = 0x8000, MBS_RIGHT_CLICK = 0x4000, MBS_MOUSE_MASK = (MBS_LEFT_CLICK | MBS_RIGHT_CLICK), MBS_MAX_KEY = 0x0200 }; enum ScummGameId { GID_TENTACLE, GID_MONKEY2, GID_INDY4, GID_MONKEY, GID_SAMNMAX, GID_MONKEY_EGA, GID_PASS, GID_LOOM256, GID_ZAK256, GID_INDY3, GID_LOOM, GID_FT, GID_DIG, GID_MONKEY_VGA, GID_CMI, GID_MANIAC, GID_ZAK, GID_MONKEY_SEGA, GID_HEGAME, // Generic name for all HE games with default behaviour GID_PUTTDEMO, GID_PUTTMOON, GID_FBEAR, GID_FUNPACK, GID_FREDDI4 }; struct SentenceTab { byte verb; byte preposition; uint16 objectA; uint16 objectB; uint8 freezeCount; }; struct StringSlot { int16 xpos; int16 ypos; int16 right; byte color; byte charset; bool center; bool overhead; bool no_talk_anim; }; struct StringTab : StringSlot { // The 'default' values for this string slot. This is used so that the // string slot can temporarily be set to different values, and then be // easily reset to a previously set default. StringSlot _default; void saveDefault() { StringSlot &s = *this; _default = s; } void loadDefault() { StringSlot &s = *this; s = _default; } }; enum WhereIsObject { WIO_NOT_FOUND = -1, WIO_INVENTORY = 0, WIO_ROOM = 1, WIO_GLOBAL = 2, WIO_LOCAL = 3, WIO_FLOBJECT = 4 }; struct LangIndexNode { char tag[12+1]; int32 offset; }; struct WizPolygon { Common::Point vert[5]; Common::Rect bound; int id; int numVerts; bool flag; }; struct AuxBlock { bool visible; Common::Rect r; }; struct AuxEntry { int actorNum; int subIndex; }; class ScummEngine : public Engine { friend class ScummDebugger; friend class SmushPlayer; friend class Insane; friend class CharsetRenderer; void errorString(const char *buf_input, char *buf_output); public: /* Put often used variables at the top. * That results in a shorter form of the opcode * on some architectures. */ IMuse *_imuse; IMuseDigital *_imuseDigital; MusicEngine *_musicEngine; Sound *_sound; VerbSlot *_verbs; ObjectData *_objs; ScummDebugger *_debugger; // Core variables byte _gameId; byte _version; byte _heversion; byte _numActors; uint32 _features; // Should only be accessed for reading (TODO enforce it compiler-wise with making it private and creating an accessor) uint8 _gameMD5[16]; /** Random number generator */ Common::RandomSource _rnd; /** Graphics manager */ Gdi gdi; protected: /** Central resource data. */ struct { byte mode[rtNumTypes]; uint16 num[rtNumTypes]; uint32 tags[rtNumTypes]; const char *name[rtNumTypes]; byte **address[rtNumTypes]; byte *flags[rtNumTypes]; byte *roomno[rtNumTypes]; uint32 *roomoffs[rtNumTypes]; uint32 *globsize[rtNumTypes]; } res; VirtualMachineState vm; public: // Constructor / Destructor ScummEngine(GameDetector *detector, OSystem *syst, const ScummGameSettings &gs, uint8 md5sum[16]); virtual ~ScummEngine(); /** Startup function: Calls mainInit and then mainRun. */ void go(); // Init functions void mainInit(); virtual void setupScummVars(); void initScummVars(); virtual void scummInit(); void loadCJKFont(); void setupMusic(int midi); // Scumm main loop void mainRun(); int scummLoop(int delta); // Event handling void parseEvents(); void waitForTimer(int msec_delay); void processKbd(bool smushMode); void clearClickedStatus(); // Misc utility functions uint32 _debugFlags; const char *getGameName() const { return _gameName.c_str(); } // Cursor/palette void updateCursor(); virtual void animateCursor() {} void updatePalette(); /** * Flag which signals that the SMUSH video playback should end now * (e.g. because it was aborted by the user or it's simply finished). */ bool _smushVideoShouldFinish; /** This flag is a hack to allow the pause dialog to pause SMUSH playback, too. */ bool _smushPaused; /** This flag tells IMuseDigital that INSANE is running. */ bool _insaneRunning; protected: Insane *_insane; public: void pauseGame(); void restart(); void shutDown(); /** We keep running until this is set to true. */ bool _quit; protected: Dialog *_pauseDialog; Dialog *_versionDialog; Dialog *_optionsDialog; Dialog *_mainMenuDialog; protected: int runDialog(Dialog &dialog); void confirmexitDialog(); void confirmrestartDialog(); void pauseDialog(); void versionDialog(); void mainMenuDialog(); public: void optionsDialog(); // Used by MainMenuDialog::handleCommand() protected: char displayMessage(const char *altButton, const char *message, ...); protected: byte _fastMode; Actor *_actors; // Has _numActors elements byte *_arraySlot; uint16 *_inventory; uint16 *_newNames; public: // VAR is a wrapper around scummVar, which attempts to include additional // useful information should an illegal var access be detected. #define VAR(x) scummVar(x, #x, __FILE__, __LINE__) int32& scummVar(byte var, const char *varName, const char *file, int line) { if (var == 0xFF) { error("Illegal access to variable %s in file %s, line %d", varName, file, line); } return _scummVars[var]; } int32 scummVar(byte var, const char *varName, const char *file, int line) const { if (var == 0xFF) { error("Illegal access to variable %s in file %s, line %d", varName, file, line); } return _scummVars[var]; } protected: int16 _varwatch; int32 *_roomVars; int32 *_scummVars; byte *_bitVars; /* Global resource tables */ int _numVariables, _numBitVariables, _numLocalObjects; int _numGlobalObjects, _numArray, _numVerbs, _numFlObject; int _numInventory; int _numNewNames, _numGlobalScripts; int _numRoomVariables; int _numPalettes, _numSprites, _numTalkies, _numUnk; public: int _numLocalScripts, _numImages, _numRooms, _numScripts, _numSounds; // Used by HE games int _numCostumes; // FIXME - should be protected, used by Actor::remapActorPalette int _numCharsets; // FIXME - should be protected, used by CharsetRenderer BaseCostumeRenderer* _costumeRenderer; char *_audioNames; int32 _numAudioNames; protected: /* Current objects - can go in their respective classes */ byte _curActor; int _curVerb; int _curVerbSlot; int _curPalIndex; public: byte _currentRoom; // FIXME - should be protected but Actor::isInCurrentRoom uses it int _roomResource; // FIXME - should be protected but Sound::pauseSounds uses it bool _egoPositioned; // Used by Actor::putActor, hence public protected: int _keyPressed; uint16 _lastKeyHit; bool _keyDownMap[512]; // FIXME - 512 is a guess. it's max(kbd.ascii) Common::Point _mouse; Common::Point _virtualMouse; uint16 _mouseButStat; byte _leftBtnPressed, _rightBtnPressed; /** The bootparam, to be passed to the script 1, the bootscript. */ int _bootParam; // Various options useful for debugging bool _dumpScripts; bool _hexdumpScripts; bool _showStack; uint16 _debugMode; // Save/Load class - some of this may be GUI byte _saveLoadFlag, _saveLoadSlot; uint32 _lastSaveTime; bool _saveTemporaryState; char _saveLoadName[32]; bool saveState(int slot, bool compat); bool loadState(int slot, bool compat); void saveOrLoad(Serializer *s, uint32 savegameVersion); void saveLoadResource(Serializer *ser, int type, int index); // "Obsolete" void saveResource(Serializer *ser, int type, int index); void loadResource(Serializer *ser, int type, int index); void makeSavegameName(char *out, int slot, bool compatible); int getKeyState(int key); public: bool getSavegameName(int slot, char *desc); void listSavegames(bool *marks, int num); void requestSave(int slot, const char *name, bool compatible = false); void requestLoad(int slot); void lock(int type, int i); void unlock(int type, int i); protected: /* Heap and memory management */ uint32 _maxHeapThreshold, _minHeapThreshold; /* Script VM - should be in Script class */ uint32 _localScriptList[256]; const byte *_scriptPointer, *_scriptOrgPointer; byte _opcode, _currentScript; uint16 _curExecScript; const byte * const *_lastCodePtr; int _resultVarNumber, _scummStackPos; int _vmStack[150]; int _keyScriptKey, _keyScriptNo; virtual void setupOpcodes() = 0; virtual void executeOpcode(byte i) = 0; virtual const char *getOpcodeDesc(byte i) = 0; void initializeLocals(int slot, int *vars); int getScriptSlot(); void startScene(int room, Actor *a, int b); void startManiac(); public: void runScript(int script, bool freezeResistant, bool recursive, int *lvarptr); void stopScript(int script); void nukeArrays(byte script); protected: void runObjectScript(int script, int entry, bool freezeResistant, bool recursive, int *vars, int slot = -1); void runScriptNested(int script); void executeScript(); void updateScriptPtr(); void runInventoryScript(int i); void checkAndRunSentenceScript(); void runExitScript(); void runEntryScript(); void runAllScripts(); void freezeScripts(int scr); void unfreezeScripts(); bool isScriptInUse(int script) const; bool isRoomScriptRunning(int script) const; bool isScriptRunning(int script) const; void killAllScriptsExceptCurrent(); void killScriptsAndResources(); void decreaseScriptDelay(int amount); void stopObjectCode(); void stopObjectScript(int script); void getScriptBaseAddress(); void getScriptEntryPoint(); int getVerbEntrypoint(int obj, int entry); byte fetchScriptByte(); virtual uint fetchScriptWord(); virtual int fetchScriptWordSigned(); void ignoreScriptWord() { fetchScriptWord(); } void ignoreScriptByte() { fetchScriptByte(); } virtual void getResultPos(); void setResult(int result); void push(int a); int pop(); virtual int readVar(uint var); virtual void writeVar(uint var, int value); void beginCutscene(int *args); void endCutscene(); void abortCutscene(); void beginOverride(); void endOverride(); void copyScriptString(byte *dst); int resStrLen(const byte *src) const; void doSentence(int c, int b, int a); /* Should be in Resource class */ ScummFile _fileHandle; uint32 _fileOffset; public: /** The name of the (macintosh/rescumm style) container file, if any. */ Common::String _containerFile; bool openFile(ScummFile &file, const char *filename); protected: int _resourceHeaderSize; Common::String _gameName; // This is the name we use for opening resource files Common::String _targetName; // This is the game the user calls it, so use for saving bool _dynamicRoomOffsets; byte _resourceMapper[128]; uint32 _allocatedSize; byte _expire_counter; byte *_heV7RoomOffsets; uint32 *_heV7RoomIntOffsets; const byte *_resourceLastSearchBuf; // FIXME: need to put it to savefile? uint32 _resourceLastSearchSize; // FIXME: need to put it to savefile? int _wizNumPolygons; WizPolygon *_wizPolygons; void allocateArrays(); void openRoom(int room); void closeRoom(); void deleteRoomOffsets(); void readRoomsOffsets(); void askForDisk(const char *filename, int disknum); bool openResourceFile(const char *filename, byte encByte); void loadPtrToResource(int type, int i, const byte *ptr); void readResTypeList(int id, uint32 tag, const char *name); void allocResTypeData(int id, uint32 tag, int num, const char *name, int mode); byte *createResource(int type, int index, uint32 size); int loadResource(int type, int i); void nukeResource(int type, int i); int getResourceSize(int type, int idx); public: bool isResourceLoaded(int type, int index) const; byte *getResourceAddress(int type, int i); byte *getStringAddress(int i); byte *getStringAddressVar(int i); void ensureResourceLoaded(int type, int i); int getResourceRoomNr(int type, int index); protected: int readSoundResource(int type, int index); int convert_extraflags(byte *ptr, byte * src_ptr); void convertMac0Resource(int type, int index, byte *ptr, int size); void convertADResource(int type, int index, byte *ptr, int size); int readSoundResourceSmallHeader(int type, int index); void setResourceCounter(int type, int index, byte flag); bool validateResource(const char *str, int type, int index) const; void increaseResourceCounter(); bool isResourceInUse(int type, int i) const; void initRoomSubBlocks(); void clearRoomObjects(); void loadRoomObjects(); void loadRoomObjectsSmall(); void loadRoomObjectsOldBundle(); void polygonStore(int id, bool flag, int vert1x, int vert1y, int vert2x, int vert2y, int vert3x, int vert3y, int vert4x, int vert4y); virtual void readArrayFromIndexFile(); virtual void readMAXS(int blockSize); virtual void readIndexFile(); virtual void loadCharset(int i); void nukeCharset(int i); int _lastLoadedRoom; public: const byte *findResourceData(uint32 tag, const byte *ptr); const byte *findResource(uint32 tag, const byte *ptr); int getResourceDataSize(const byte *ptr) const; void dumpResource(const char *tag, int index, const byte *ptr, int length = -1); protected: void resourceStats(); void expireResources(uint32 size); void freeResources(); public: /* Should be in Object class */ byte OF_OWNER_ROOM; int getInventorySlot(); int findInventory(int owner, int index); int getInventoryCount(int owner); protected: byte *_objectOwnerTable, *_objectRoomTable, *_objectStateTable; ObjectIDMap _objectIDMap; int _numObjectsInRoom; void setupRoomObject(ObjectData *od, const byte *room, const byte *searchptr = NULL); void markObjectRectAsDirty(int obj); void loadFlObject(uint object, uint room); void nukeFlObjects(int min, int max); int findFlObjectSlot(); int findLocalObjectSlot(); void addObjectToInventory(uint obj, uint room); void fixObjectFlags(); public: bool getClass(int obj, int cls) const; // Used in actor.cpp, hence public protected: void putClass(int obj, int cls, bool set); int getState(int obj); void putState(int obj, int state); void setObjectState(int obj, int state, int x, int y); int getOwner(int obj) const; void putOwner(int obj, int owner); void setOwnerOf(int obj, int owner); void clearOwnerOf(int obj); int getObjectRoom(int obj) const; int getObjX(int obj); int getObjY(int obj); void getObjectXYPos(int object, int &x, int &y) { int dir; getObjectXYPos(object, x, y, dir); } void getObjectXYPos(int object, int &x, int &y, int &dir); int getObjOldDir(int obj); int getObjNewDir(int obj); int getObjectIndex(int object) const; int getObjectImageCount(int object); int whereIsObject(int object) const; int findObject(int x, int y); void findObjectInRoom(FindObjectInRoom *fo, byte findWhat, uint object, uint room); public: int getObjectOrActorXY(int object, int &x, int &y); // Used in actor.cpp, hence public protected: int getObjActToObjActDist(int a, int b); // Not sure how to handle const byte *getObjOrActorName(int obj); // these three.. void setObjectName(int obj); void addObjectToDrawQue(int object); void removeObjectFromDrawQue(int object); void clearDrawObjectQueue(); void processDrawQue(); uint32 getOBCDOffs(int object) const; byte *getOBCDFromObject(int obj); const byte *getOBIMFromObject(const ObjectData &od); const byte *getObjectImage(const byte *ptr, int state); int getDistanceBetween(bool is_obj_1, int b, int c, bool is_obj_2, int e, int f); protected: /* Should be in Verb class */ uint16 _verbMouseOver; int _inventoryOffset; int8 _userPut; uint16 _userState; void redrawVerbs(); void checkExecVerbs(); void verbMouseOver(int verb); int findVerbAtPos(int x, int y) const; void drawVerb(int verb, int mode); void runInputScript(int a, int cmd, int mode); void restoreVerbBG(int verb); void drawVerbBitmap(int verb, int x, int y); int getVerbSlot(int id, int mode) const; void killVerb(int slot); void setVerbObject(uint room, uint object, uint verb); // TODO: This should be moved into ScummEngine_v2 if possible V2MouseoverBox v2_mouseover_boxes[7]; int8 v2_mouseover_box; void checkV2MouseOver(Common::Point pos); void checkV2Inventory(int x, int y); void redrawV2Inventory(); public: /* Should be in Actor class */ Actor *derefActor(int id, const char *errmsg = 0) const; Actor *derefActorSafe(int id, const char *errmsg) const; uint32 *_classData; int getAngleFromPos(int x, int y) const; protected: void walkActors(); void playActorSounds(); void setActorRedrawFlags(); void putActors(); void showActors(); void setupV1ActorTalkColor(); void resetActorBgs(); void processActors(); void processUpperActors(); int getActorFromPos(int x, int y); bool isCostumeInUse(int i) const; public: /* Actor AuxQueue stuff (HE) */ AuxBlock _auxBlocks[16]; uint16 _auxBlocksNum; AuxEntry _auxEntries[16]; uint16 _auxEntriesNum; void preProcessAuxQueue(); void postProcessAuxQueue(); void queueAuxBlock(Actor *a); void queueAuxEntry(int actorNum, int subIndex); public: /* Actor talking stuff */ byte _actorToPrintStrFor, _V1TalkingActor; int _sentenceNum; SentenceTab _sentence[NUM_SENTENCE]; StringTab _string[6]; int16 _talkDelay; void actorTalk(const byte *msg); void stopTalk(); int getTalkingActor(); // Wrapper around VAR_TALK_ACTOR for V1 Maniac void setTalkingActor(int variable); // Costume class void cost_decodeData(Actor *a, int frame, uint usemask); int cost_frameToAnim(Actor *a, int frame); // Akos Class struct { int16 cmd; int16 actor; int16 param1; int16 param2; } _akosQueue[32]; int16 _akosQueuePos; Common::Rect _actorClipOverride; bool akos_increaseAnims(const byte *akos, Actor *a); bool akos_increaseAnim(Actor *a, int i, const byte *aksq, const uint16 *akfo, int numakfo); void akos_queCommand(byte cmd, Actor *a, int param_1, int param_2); void akos_processQueue(); void akos_decodeData(Actor *a, int frame, uint usemask); int akos_frameToAnim(Actor *a, int frame); bool akos_hasManyDirections(int costume); protected: /* Should be in Graphics class? */ uint16 _screenB, _screenH; public: int _roomHeight, _roomWidth; int _screenHeight, _screenWidth; VirtScreen virtscr[4]; // Virtual screen areas CameraData camera; // 'Camera' - viewport int _screenStartStrip, _screenEndStrip; int _screenTop; protected: ColorCycle _colorCycle[16]; // Palette cycles uint32 _ENCD_offs, _EXCD_offs; uint32 _CLUT_offs, _EPAL_offs; uint32 _IM00_offs, _PALS_offs; StripTable *_roomStrips; //ender: fullscreen bool _fullRedraw, _bgNeedsRedraw; bool _screenEffectFlag, _completeScreenRedraw; struct { int hotspotX, hotspotY, width, height; byte animate, animateIndex; int8 state; } _cursor; byte _grabbedCursor[8192]; byte _currentCursor; byte _newEffect, _switchRoomEffect2, _switchRoomEffect; bool _doEffect; byte *_scrollBuffer; struct { int x, y, w, h; byte *buffer; uint16 xStrips, yStrips; bool isDrawn; } _flashlight; public: bool isLightOn() const; protected: void initScreens(int b, int h); void initVirtScreen(VirtScreenNumber slot, int number, int top, int width, int height, bool twobufs, bool scrollable); void initBGBuffers(int height); void initCycl(const byte *ptr); // Color cycle void drawObject(int obj, int arg); void drawRoomObjects(int arg); void drawRoomObject(int i, int arg); void drawBox(int x, int y, int x2, int y2, int color); void restoreBG(Common::Rect rect, byte backColor = 0); void redrawBGStrip(int start, int num); virtual void redrawBGAreas(); void cameraMoved(); void setCameraAtEx(int at); virtual void setCameraAt(int pos_x, int pos_y); virtual void setCameraFollows(Actor *a); virtual void moveCamera(); virtual void panCameraTo(int x, int y); void clampCameraPos(Common::Point *pt); void actorFollowCamera(int act); const byte *getPalettePtr(int palindex, int room); void setupAmigaPalette(); void setupEGAPalette(); void setupV1ManiacPalette(); void setupV1ZakPalette(); void setPalette(int pal, int room); void setPaletteFromPtr(const byte *ptr, int numcolor = -1); void setPalColor(int index, int r, int g, int b); void setDirtyColors(int min, int max); const byte *findPalInPals(const byte *pal, int index); void swapPalColors(int a, int b); void copyPalColor(int dst, int src); void cyclePalette(); void stopCycle(int i); virtual void palManipulateInit(int resID, int start, int end, int time); void palManipulate(); public: int remapPaletteColor(int r, int g, int b, int threshold); // Used by Actor::remapActorPalette protected: void moveMemInPalRes(int start, int end, byte direction); void setupShadowPalette(int slot, int redScale, int greenScale, int blueScale, int startColor, int endColor); void setupShadowPalette(int redScale, int greenScale, int blueScale, int startColor, int endColor, int start, int end); void darkenPalette(int redScale, int greenScale, int blueScale, int startColor, int endColor); void desaturatePalette(int hueScale, int satScale, int lightScale, int startColor, int endColor); void setupCursor(); void setCursorFromBuffer(byte *ptr, int width, int height, int pitch); public: void markRectAsDirty(VirtScreenNumber virt, int left, int right, int top, int bottom, int dirtybit = 0); void markRectAsDirty(VirtScreenNumber virt, const Common::Rect& rect, int dirtybit = 0) { markRectAsDirty(virt, rect.left, rect.right, rect.top, rect.bottom, dirtybit); } protected: void drawDirtyScreenParts(); void updateDirtyScreen(VirtScreenNumber slot); public: VirtScreen *findVirtScreen(int y); byte *getMaskBuffer(int x, int y, int z); protected: void drawFlashlight(); void fadeIn(int effect); void fadeOut(int effect); void unkScreenEffect5(int a); void unkScreenEffect6(); void transitionEffect(int a); void dissolveEffect(int width, int height); void scrollEffect(int dir); // bomp public: byte *_bompActorPalettePtr; void drawBomp(const BompDrawData &bd, bool mirror); protected: bool _shakeEnabled; uint _shakeFrame; void setShake(int mode); int _blastObjectQueuePos; BlastObject _blastObjectQueue[128]; int _blastTextQueuePos; BlastText _blastTextQueue[50]; void enqueueText(const byte *text, int x, int y, byte color, byte charset, bool center); void drawBlastTexts(); void removeBlastTexts(); void enqueueObject(int objectNumber, int objectX, int objectY, int objectWidth, int objectHeight, int scaleX, int scaleY, int image, int mode); void clearEnqueue() { _blastObjectQueuePos = 0; } void drawBlastObjects(); void drawBlastObject(BlastObject *eo); void removeBlastObjects(); void removeBlastObject(BlastObject *eo); int _drawObjectQueNr; byte _drawObjectQue[200]; /* For each of the 410 screen strips, gfxUsageBits contains a * bitmask. The lower 80 bits each correspond to one actor and * signify if any part of that actor is currently contained in * that strip. * * If the leftmost bit is set, the strip (background) is dirty * needs to be redrawn. * * The second leftmost bit is set by removeBlastObject() and * restoreBG(), but I'm not yet sure why. */ uint32 gfxUsageBits[410 * 3]; void upgradeGfxUsageBits(); void setGfxUsageBit(int strip, int bit); void clearGfxUsageBit(int strip, int bit); bool testGfxUsageBit(int strip, int bit); bool testGfxAnyUsageBits(int strip); bool testGfxOtherUsageBits(int strip, int bit); public: byte _HEV7ActorPalette[256]; byte _roomPalette[256]; byte *_shadowPalette; bool _skipDrawObject, _skipProcessActors; int _timers[4]; protected: int _shadowPaletteSize; byte _currentPalette[3 * 256]; int _palDirtyMin, _palDirtyMax; byte _palManipStart, _palManipEnd; uint16 _palManipCounter; byte *_palManipPalette; byte *_palManipIntermediatePal; byte _haveMsg; bool _useTalkAnims; uint16 _defaultTalkDelay; int _tempMusic; int _saveSound; bool _native_mt32; int _midi; int _midiDriver; // Use the MD_ values from mididrv.h bool _copyProtection; bool _demoMode; bool _confirmExit; public: uint16 _extraBoxFlags[65]; byte getNumBoxes(); byte *getBoxMatrixBaseAddr(); int getPathToDestBox(byte from, byte to); void getGates(int trap1, int trap2, Common::Point gateA[2], Common::Point gateB[2]); bool inBoxQuickReject(int box, int x, int y, int threshold); int getClosestPtOnBox(int box, int x, int y, int16& outX, int16& outY); int getSpecialBox(int param1, int param2); void setBoxFlags(int box, int val); void setBoxScale(int box, int b); bool checkXYInBoxBounds(int box, int x, int y); uint distanceFromPt(int x, int y, int ptx, int pty); void getBoxCoordinates(int boxnum, BoxCoords *bc); byte getMaskFromBox(int box); Box *getBoxBaseAddr(int box); byte getBoxFlags(int box); int getBoxScale(int box); int getScale(int box, int x, int y); int getScaleFromSlot(int slot, int x, int y); protected: // Scaling slots/items struct ScaleSlot { int x1, y1, scale1; int x2, y2, scale2; }; ScaleSlot _scaleSlots[20]; void setScaleSlot(int slot, int x1, int y1, int scale1, int x2, int y2, int scale2); void setBoxScaleSlot(int box, int slot); void convertScaleTableToScaleSlot(int slot); void createBoxMatrix(); bool areBoxesNeighbours(int i, int j); /* String class */ public: CharsetRenderer *_charset; byte _charsetColorMap[16]; protected: byte _charsetColor; byte _charsetData[15][16]; int _charsetBufPos; byte _charsetBuffer[512]; int _stringLength; byte _stringBuffer[4096]; bool _keepText; void initCharset(int charset); void printString(int m, const byte *msg); void CHARSET_1(); void drawString(int a, const byte *msg); void unkMessage1(const byte *msg); void unkMessage2(const byte *msg); int addMessageToStack(const byte *msg, byte *dst, int dstSize); int addIntToStack(byte *dst, int dstSize, int var); int addVerbToStack(byte *dst, int dstSize, int var); int addNameToStack(byte *dst, int dstSize, int var); int addStringToStack(byte *dst, int dstSize, int var); public: Common::Language _language; protected: bool _existLanguageFile; char *_languageBuffer; LangIndexNode *_languageIndex; int _languageIndexSize; char _lastStringTag[12+1]; void loadLanguageBundle(); void playSpeech(const byte *ptr); public: void translateText(const byte *text, byte *trans_buff); // Used by class ScummDialog // Somewhat hackish stuff for 2 byte support (Chinese/Japanese/Korean) bool _useCJKMode; int _2byteHeight; int _2byteWidth; byte *get2byteCharPtr(int idx); protected: byte *_2byteFontPtr; #if defined(SCUMM_LITTLE_ENDIAN) uint32 fileReadDword() { return _fileHandle.readUint32LE(); } #elif defined(SCUMM_BIG_ENDIAN) uint32 fileReadDword() { return _fileHandle.readUint32BE(); } #endif public: /* Scumm Vars */ byte VAR_LANGUAGE; byte VAR_KEYPRESS; byte VAR_SYNC; byte VAR_EGO; byte VAR_CAMERA_POS_X; byte VAR_HAVE_MSG; byte VAR_ROOM; byte VAR_OVERRIDE; byte VAR_MACHINE_SPEED; byte VAR_ME; byte VAR_NUM_ACTOR; byte VAR_CURRENT_LIGHTS; byte VAR_CURRENTDRIVE; // How about merging this with VAR_CURRENTDISK? byte VAR_CURRENTDISK; byte VAR_TMR_1; byte VAR_TMR_2; byte VAR_TMR_3; byte VAR_MUSIC_TIMER; byte VAR_ACTOR_RANGE_MIN; byte VAR_ACTOR_RANGE_MAX; byte VAR_CAMERA_MIN_X; byte VAR_CAMERA_MAX_X; byte VAR_TIMER_NEXT; byte VAR_VIRT_MOUSE_X; byte VAR_VIRT_MOUSE_Y; byte VAR_ROOM_RESOURCE; byte VAR_LAST_SOUND; byte VAR_CUTSCENEEXIT_KEY; byte VAR_OPTIONS_KEY; byte VAR_TALK_ACTOR; byte VAR_CAMERA_FAST_X; byte VAR_SCROLL_SCRIPT; byte VAR_ENTRY_SCRIPT; byte VAR_ENTRY_SCRIPT2; byte VAR_EXIT_SCRIPT; byte VAR_EXIT_SCRIPT2; byte VAR_VERB_SCRIPT; byte VAR_SENTENCE_SCRIPT; byte VAR_INVENTORY_SCRIPT; byte VAR_CUTSCENE_START_SCRIPT; byte VAR_CUTSCENE_END_SCRIPT; byte VAR_CHARINC; byte VAR_WALKTO_OBJ; byte VAR_DEBUGMODE; byte VAR_HEAPSPACE; byte VAR_RESTART_KEY; byte VAR_PAUSE_KEY; byte VAR_MOUSE_X; byte VAR_MOUSE_Y; byte VAR_TIMER; byte VAR_TMR_4; byte VAR_SOUNDCARD; byte VAR_VIDEOMODE; byte VAR_MAINMENU_KEY; byte VAR_FIXEDDISK; byte VAR_CURSORSTATE; byte VAR_USERPUT; byte VAR_SOUNDRESULT; byte VAR_TALKSTOP_KEY; byte VAR_FADE_DELAY; byte VAR_NOSUBTITLES; byte VAR_SOUNDPARAM; byte VAR_SOUNDPARAM2; byte VAR_SOUNDPARAM3; byte VAR_MOUSEPRESENT; byte VAR_MEMORY_PERFORMANCE; byte VAR_VIDEO_PERFORMANCE; byte VAR_ROOM_FLAG; byte VAR_GAME_LOADED; byte VAR_NEW_ROOM; byte VAR_VERSION_KEY; byte VAR_V5_TALK_STRING_Y; byte VAR_ROOM_WIDTH; byte VAR_ROOM_HEIGHT; byte VAR_V6_EMSSPACE; byte VAR_CAMERA_POS_Y; byte VAR_CAMERA_MIN_Y; byte VAR_CAMERA_MAX_Y; byte VAR_CAMERA_THRESHOLD_X; byte VAR_CAMERA_THRESHOLD_Y; byte VAR_CAMERA_SPEED_X; byte VAR_CAMERA_SPEED_Y; byte VAR_CAMERA_ACCEL_X; byte VAR_CAMERA_ACCEL_Y; byte VAR_CAMERA_DEST_X; byte VAR_CAMERA_DEST_Y; byte VAR_CAMERA_FOLLOWED_ACTOR; byte VAR_LEFTBTN_DOWN; byte VAR_RIGHTBTN_DOWN; byte VAR_LEFTBTN_HOLD; byte VAR_RIGHTBTN_HOLD; byte VAR_MOUSE_BUTTONS; byte VAR_MOUSE_HOLD; byte VAR_SAVELOAD_SCRIPT; byte VAR_SAVELOAD_SCRIPT2; byte VAR_DEFAULT_TALK_DELAY; byte VAR_CHARSET_MASK; byte VAR_CUSTOMSCALETABLE; byte VAR_V6_SOUNDMODE; byte VAR_CHARCOUNT; byte VAR_VERB_ALLOWED; byte VAR_ACTIVE_VERB; byte VAR_ACTIVE_OBJECT1; byte VAR_ACTIVE_OBJECT2; byte VAR_CLICK_AREA; byte VAR_BLAST_ABOVE_TEXT; byte VAR_VOICE_MODE; byte VAR_MUSIC_BUNDLE_LOADED; byte VAR_VOICE_BUNDLE_LOADED; byte VAR_NUM_SOUND_CHANNELS; byte VAR_MUSIC_CHANNEL; byte VAR_SOUND_CHANNEL; byte VAR_NUM_ROOMS; byte VAR_NUM_SCRIPTS; byte VAR_NUM_SOUNDS; byte VAR_NUM_COSTUMES; byte VAR_NUM_IMAGES; byte VAR_NUM_CHARSETS; byte VAR_NUM_GLOBAL_OBJS; byte VAR_NUM_SPRITES; byte VAR_NUM_PALETTES; byte VAR_NUM_UNK; byte VAR_POLYGONS_ONLY; byte VAR_WINDOWS_VERSION; byte VAR_KEY_STATE; byte VAR_WIZ_TCOLOR; }; // This is a constant lookup table of reverse bit masks extern const byte revBitMask[8]; /* Direction conversion functions (between old dir and new dir format) */ int newDirToOldDir(int dir); int oldDirToNewDir(int dir); int normalizeAngle(int angle); int fromSimpleDir(int dirtype, int dir); int toSimpleDir(int dirtype, int dir); void checkRange(int max, int min, int no, const char *str); const char *tag2str(uint32 tag); } // End of namespace Scumm #endif