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|
/* 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.
*
* $URL$
* $Id$
*
*/
#ifndef SCUMM_H
#define SCUMM_H
#include "base/engine.h"
#include "common/file.h"
#include "common/rect.h"
#include "common/str.h"
#include "graphics/surface.h"
#include "scumm/gfx.h"
#include "scumm/script.h"
#include "sound/mididrv.h"
namespace GUI {
class Dialog;
}
using GUI::Dialog;
class GameDetector;
namespace Common {
class InSaveFile;
class OutSaveFile;
}
namespace Scumm {
class Actor;
class BaseCostumeLoader;
class BaseCostumeRenderer;
class BaseScummFile;
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;
// Use g_scumm from error() ONLY
extern ScummEngine *g_scumm;
/* System Wide Constants */
enum {
NUM_SENTENCE = 6,
NUM_SHADOW_PALETTE = 8
};
/**
* SCUMM feature flags define for every game which specific set of engine
* features are used by that game.
* Note that some of them could be replaced by checks for the SCUMM version.
*/
enum GameFeatures {
/** Games with the new camera system (ScummEngine_v7 and subclasses). */
GF_NEW_CAMERA = 1 << 1,
/** Games with the AKOS costume system (ScummEngine_v7 and subclasses, HE games). */
GF_NEW_COSTUMES = 1 << 2,
/** Games with digital iMUSE (ScummEngine_v7 and subclasses). */
GF_DIGI_IMUSE = 1 << 3,
/** Games using XOR encrypted data files. */
GF_USE_KEY = 1 << 4,
/** Small header games (ScummEngine_v4 and subclasses). */
GF_SMALL_HEADER = 1 << 5,
/** Old bundle games (ScummEngine_v3old and subclasses). */
GF_OLD_BUNDLE = 1 << 6,
/** EGA games. */
GF_16COLOR = 1 << 7,
/** VGA versions of V3 games. Equivalent to (version == 3 && not GF_16COLOR) */
GF_OLD256 = 1 << 8,
/** Games which have Audio CD tracks. */
GF_AUDIOTRACKS = 1 << 9,
/** Games without actor scaling (ScummEngine_v3 and subclasses). */
GF_NO_SCALING = 1 << 10,
/**
* Games using only very few local variables in scripts.
* Apparently that is only the case for 256 color version of Indy3.
*/
GF_FEW_LOCALS = 1 << 11,
/** HE games without cursor resources */
GF_HE_CURSORLESS = 1 << 12,
/** HE games for which localized versions exist */
GF_HE_LOCALIZED = 1 << 13,
/**
* HE Games with more global scripts and different sprite handling
* i.e. read it as HE version 9.85. Used for HE98 only.
*/
GF_HE_985 = 1 << 14,
/** HE games with 16 bit color */
GF_16BIT_COLOR = 1 << 15,
/** HE games which use sprites for subtitles */
GF_HE_NOSUBTITLES = 1 << 16,
/** A demo, not a full blown game. */
GF_DEMO = 1 << 17
};
/* 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
};
/**
* Internal header for any memory block allocated by the resource manager.
*
* @todo Hide MemBlkHeader; no code outside the resource manager should
* have to use it, ever. Currently script code needs it to detect whether
* some scripts have moved (in fetchScriptByte()).
*/
struct MemBlkHeader {
uint32 size;
};
struct VerbSlot;
struct ObjectData;
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_CMI,
GID_DIG,
GID_FT,
GID_INDY3,
GID_INDY4,
GID_LOOM,
GID_MANIAC,
GID_MONKEY_EGA,
GID_MONKEY_VGA,
GID_MONKEY,
GID_MONKEY2,
GID_PASS,
GID_SAMNMAX,
GID_TENTACLE,
GID_ZAK,
GID_HEGAME, // Generic name for all HE games with default behaviour
GID_PUTTDEMO,
GID_FBEAR,
GID_FUNPACK,
GID_WATER,
GID_PUTTRACE,
GID_FUNSHOP, // Used for all three funshops
GID_FOOTBALL,
GID_SOCCER
};
struct SentenceTab {
byte verb;
byte preposition;
uint16 objectA;
uint16 objectB;
uint8 freezeCount;
};
struct StringSlot {
int16 xpos;
int16 ypos;
int16 right;
int16 height;
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 AuxBlock {
bool visible;
Common::Rect r;
void reset() {
visible = false;
r.left = r.top = 0;
r.right = r.bottom = -1;
}
};
struct AuxEntry {
int actorNum;
int subIndex;
};
// TODO: Rename InfoStuff to something more descriptive
struct InfoStuff {
uint32 date;
uint16 time;
uint32 playtime;
};
/**
* A list of resource types.
* WARNING: Do not change the order of these, as the savegame format relies
* on it; any change made here will break savegame compatibility!
*/
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,
rtSpoolBuffer = 21,
rtLast = 21,
rtNumTypes = 22
};
/**
* Descriptor of a specific SCUMM game. Used internally to store
* information about the tons of game variants that exist.
*/
struct ScummGameSettings {
const char *gameid;
const char *extra;
byte id, version, heversion;
int midi; // MidiDriverFlags values
uint32 features;
Common::Platform platform;
};
enum GenMethods {
kGenMac,
kGenMacNoParens,
kGenPC,
kGenAsIs
};
struct SubstResFileNames {
const char *winName;
const char *macName;
GenMethods genMethod;
};
extern bool applySubstResFileName(const SubstResFileNames &subst, const char *filename, char *buf, int bufsize);
extern int findSubstResFileName(SubstResFileNames &subst, const char *filename, int index);
/**
* The 'resource manager' class. Currently doesn't really deserve to be called
* a 'class', at least until somebody gets around to OOfying this more.
*/
class ResourceManager {
friend class ScummDebugger;
friend class ScummEngine;
protected:
ScummEngine *_vm;
public:
byte mode[rtNumTypes];
uint16 num[rtNumTypes];
uint32 tags[rtNumTypes];
const char *name[rtNumTypes];
byte **address[rtNumTypes];
protected:
byte *flags[rtNumTypes];
byte *status[rtNumTypes];
public:
byte *roomno[rtNumTypes];
uint32 *roomoffs[rtNumTypes];
uint32 *globsize[rtNumTypes];
uint32 _allocatedSize;
uint32 _maxHeapThreshold, _minHeapThreshold;
byte _expireCounter;
public:
ResourceManager(ScummEngine *vm);
byte *createResource(int type, int index, uint32 size);
void nukeResource(int type, int i);
void freeResources();
bool isResourceLoaded(int type, int index) const;
void lock(int type, int i);
void unlock(int type, int i);
bool isLocked(int type, int i) const;
void setModified(int type, int i);
bool isModified(int type, int i) const;
void setResourceCounter(int type, int index, byte flag);
void increaseResourceCounter();
void resourceStats();
void expireResources(uint32 size);
protected:
bool validateResource(const char *str, int type, int index) const;
};
/**
* Base class for all SCUMM engines.
*/
class ScummEngine : public Engine {
friend class ScummDebugger;
friend class SmushPlayer;
friend class Insane;
friend class CharsetRenderer;
friend class ResourceManager;
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;
ObjectData *_storedFlObjects;
ScummDebugger *_debugger;
// Core variables
ScummGameSettings _game;
uint8 _gameMD5[16];
/** Random number generator */
Common::RandomSource _rnd;
/** Graphics manager */
Gdi gdi;
/** Central resource data. */
ResourceManager res;
protected:
VirtualMachineState vm;
public:
// Constructor / Destructor
ScummEngine(GameDetector *detector, OSystem *syst, const ScummGameSettings &gs, uint8 md5sum[16], SubstResFileNames subst);
virtual ~ScummEngine();
/** Startup function, main loop. */
int go();
// Init functions
int init(GameDetector &detector);
virtual void setupScummVars();
virtual void initScummVars();
virtual void scummInit();
void loadCJKFont();
void setupMusic(int midi);
void setupVolumes();
// Scumm main loop
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 *getBaseName() const { return _baseName.c_str(); }
// Cursor/palette
void updateCursor();
virtual void animateCursor() {}
virtual 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 *_mainMenuDialog;
int runDialog(Dialog &dialog);
void confirmExitDialog();
void confirmRestartDialog();
void pauseDialog();
void versionDialog();
void mainMenuDialog();
char displayMessage(const char *altButton, const char *message, ...);
byte _fastMode;
byte _numActors;
Actor *_actors; // Has _numActors elements
Actor **_sortedActors;
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;
int _numStoredFlObjects;
int _HEHeapSize;
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
BaseCostumeLoader *_costumeLoader;
BaseCostumeRenderer *_costumeRenderer;
int _NESCostumeSet;
void NES_loadCostumeSet(int n);
byte *_NEScostdesc, *_NEScostlens, *_NEScostoffs, *_NEScostdata;
byte _NESPatTable[2][4096];
byte _NESPalette[2][16];
byte _NESBaseTiles;
int _NESStartStrip;
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
void generateSubstResFileName(const char *filename, char *buf, int bufsize);
SubstResFileNames _substResFileName;
SubstResFileNames _substResFileNameBundle; // Used with Mac bundles
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 _mouseAndKeyboardStat;
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);
virtual void saveOrLoad(Serializer *s);
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 temporary);
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 temporary = false);
void requestLoad(int slot);
// thumbnail + info stuff
public:
Graphics::Surface *loadThumbnailFromSlot(int slot);
bool loadInfosFromSlot(int slot, InfoStuff *stuff);
protected:
Graphics::Surface *loadThumbnail(Common::InSaveFile *file);
bool loadInfos(Common::InSaveFile *file, InfoStuff *stuff);
void saveThumbnail(Common::OutSaveFile *file);
void saveInfos(Common::OutSaveFile* file);
int32 _engineStartTime;
int32 _dialogStartTime;
protected:
/* Script VM - should be in Script class */
uint32 _localScriptOffsets[1024];
const byte *_scriptPointer, *_scriptOrgPointer;
byte _opcode, _currentScript;
const byte * const *_lastCodePtr;
int _resultVarNumber, _scummStackPos;
int _vmStack[150];
int _keyScriptKey, _keyScriptNo;
// See the ScummEngine constructor and checkAndRunSentenceScript()
int _defaultFTSentenceScript, _buggyFTSentenceScript;
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, int cycle = 0);
void stopScript(int script);
void nukeArrays(byte scriptSlot);
protected:
void runObjectScript(int script, int entry, bool freezeResistant, bool recursive, int *vars, int slot = -1, int cycle = 0);
void runScriptNested(int script);
void executeScript();
void updateScriptPtr();
virtual void runInventoryScript(int i);
void inventoryScript();
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();
uint fetchScriptDWord();
int fetchScriptDWordSigned();
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 */
BaseScummFile *_fileHandle;
uint32 _fileOffset;
public:
/** The name of the (macintosh/rescumm style) container file, if any. */
Common::String _containerFile;
bool openFile(BaseScummFile &file, const char *filename, bool resourceFile = false);
protected:
int _resourceHeaderSize;
Common::String _baseName; // 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
byte _resourceMapper[128];
byte *_heV7DiskOffsets;
uint32 *_heV7RoomIntOffsets;
const byte *_resourceLastSearchBuf; // FIXME: need to put it to savefile?
uint32 _resourceLastSearchSize; // FIXME: need to put it to savefile?
virtual void allocateArrays();
void openRoom(int room);
void closeRoom();
void deleteRoomOffsets();
virtual 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);
virtual void readResTypeList(int id, 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:
byte *getResourceAddress(int type, int i);
virtual 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);
bool isResourceInUse(int type, int i) const;
virtual void loadRoomSubBlocks();
virtual void initRoomSubBlocks();
void clearRoomObjects();
void storeFlObject(int slot);
void restoreFlObjects();
virtual void loadRoomObjects();
virtual void readArrayFromIndexFile();
virtual void readMAXS(int blockSize) = 0;
virtual void readGlobalObjects();
virtual void readIndexFile();
virtual void readIndexBlock(uint32 block, uint32 itemsize);
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);
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;
int _numObjectsInRoom;
public:
uint32 *_classData;
protected:
virtual 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 updateObjectStates();
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();
virtual void clearDrawQueues();
uint32 getOBCDOffs(int object) const;
byte *getOBCDFromObject(int obj);
const byte *getOBIMFromObjectData(const ObjectData &od);
const byte *getObjectImage(const byte *ptr, int state);
virtual int getObjectIdFromOBIM(const byte *obim);
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;
int _activeObject;
virtual void handleMouseOver(bool updateInventory);
virtual void redrawVerbs();
virtual void checkExecVerbs();
void verbMouseOver(int verb);
int findVerbAtPos(int x, int y) const;
virtual 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);
public:
bool isValidActor(int id) const;
/* Should be in Actor class */
Actor *derefActor(int id, const char *errmsg = 0) const;
Actor *derefActorSafe(int id, const char *errmsg) const;
int getAngleFromPos(int x, int y) const;
protected:
void walkActors();
void playActorSounds();
void redrawAllActors();
void setActorRedrawFlags();
void putActors();
void showActors();
void setupV1ActorTalkColor();
void resetActorBgs();
virtual void processActors();
void processUpperActors();
virtual int getActorFromPos(int x, int y);
public:
/* Actor talking stuff */
byte _actorToPrintStrFor, _V1TalkingActor;
int _sentenceNum;
SentenceTab _sentence[NUM_SENTENCE];
StringTab _string[6];
int16 _talkDelay;
int _NES_lastTalkingActor;
int _NES_talkColor;
virtual void actorTalk(const byte *msg);
void stopTalk();
int getTalkingActor(); // Wrapper around VAR_TALK_ACTOR for V1 Maniac
void setTalkingActor(int variable);
// Generic costume code
bool isCostumeInUse(int i) const;
// 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);
virtual void akos_processQueue();
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;
Common::RenderMode _renderMode;
protected:
ColorCycle _colorCycle[16]; // Palette cycles
uint8 _colorUsedByCycle[256];
uint32 _ENCD_offs, _EXCD_offs;
uint32 _CLUT_offs, _EPAL_offs;
uint32 _IM00_offs, _PALS_offs;
//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 top, int width, int height, bool twobufs, bool scrollable);
void initBGBuffers(int height);
void initCycl(const byte *ptr); // Color cycle
void decodeNESBaseTiles();
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 setupC64Palette();
void setupNESPalette();
void setupAmigaPalette();
void setupHercPalette();
void setupCGAPalette();
void setupEGAPalette();
void setupV1Palette();
void setPalette(int pal);
void setRoomPalette(int pal, int room);
virtual void setPaletteFromPtr(const byte *ptr, int numcolor = -1);
virtual 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);
virtual 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);
virtual void darkenPalette(int redScale, int greenScale, int blueScale, int startColor, int endColor);
void setupCursor();
void setCursorFromBuffer(const 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:
// Screen rendering
byte *_compositeBuf;
byte *_herculesBuf;
virtual void drawDirtyScreenParts();
void updateDirtyScreen(VirtScreenNumber slot);
void drawStripToScreen(VirtScreen *vs, int x, int w, int t, int b);
void ditherCGA(byte *dst, int dstPitch, int x, int y, int width, int height) const;
void ditherHerc(byte *src, byte *hercbuf, int srcPitch, int *x, int *y, int *width, int *height) const;
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 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 _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 _roomPalette[256];
byte *_shadowPalette;
bool _skipDrawObject;
int _voiceMode;
// HE specific
byte _HEV7ActorPalette[256];
uint8 *_hePalettes;
int _heTimers[16];
int getHETimer(int timer);
void setHETimer(int timer);
protected:
int _shadowPaletteSize;
byte _currentPalette[3 * 256];
byte _darkenPalette[3 * 256];
int _palDirtyMin, _palDirtyMax;
byte _palManipStart, _palManipEnd;
uint16 _palManipCounter;
byte *_palManipPalette;
byte *_palManipIntermediatePal;
byte _haveMsg;
bool _haveActorSpeechMsg;
bool _useTalkAnims;
uint16 _defaultTalkDelay;
int _tempMusic;
int _saveSound;
bool _native_mt32;
bool _enable_gs;
MidiDriverFlags _musicType;
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];
bool _keepText;
virtual void initCharset(int charset);
void printString(int m, const byte *msg);
virtual bool handleNextCharsetCode(Actor *a, int *c);
void CHARSET_1();
void drawString(int a, const byte *msg);
void debugMessage(const byte *msg);
void showMessageDialog(const byte *msg);
int convertMessageToString(const byte *msg, byte *dst, int dstSize);
int convertIntMessage(byte *dst, int dstSize, int var);
int convertVerbMessage(byte *dst, int dstSize, int var);
int convertNameMessage(byte *dst, int dstSize, int var);
int convertStringMessage(byte *dst, int dstSize, int var);
virtual void loadLanguageBundle() {}
public:
Common::Language _language; // Accessed by a hack in NutRenderer::loadFont
// Used by class ScummDialog:
virtual void translateText(const byte *text, byte *trans_buff);
// Somewhat hackish stuff for 2 byte support (Chinese/Japanese/Korean)
bool _useCJKMode;
int _2byteHeight;
int _2byteWidth;
byte *get2byteCharPtr(int idx);
protected:
byte *_2byteFontPtr;
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;
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;
// V5+
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;
// V4/V5
byte VAR_V5_TALK_STRING_Y;
// V6+
byte VAR_ROOM_WIDTH;
byte VAR_ROOM_HEIGHT;
byte VAR_SUBTITLES;
byte VAR_V6_EMSSPACE;
// V7/V8 (=GF_NEW_CAMERA) specific variables
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;
// V7/V8 specific variables
byte VAR_VERSION_KEY;
byte VAR_DEFAULT_TALK_DELAY;
byte VAR_CUSTOMSCALETABLE;
byte VAR_BLAST_ABOVE_TEXT;
byte VAR_VOICE_MODE;
byte VAR_MUSIC_BUNDLE_LOADED;
byte VAR_VOICE_BUNDLE_LOADED;
byte VAR_LEFTBTN_DOWN; // V7/V8
byte VAR_RIGHTBTN_DOWN; // V7/V8
byte VAR_LEFTBTN_HOLD; // V6/V72HE/V7/V8
byte VAR_RIGHTBTN_HOLD; // V6/V72HE/V7/V8
byte VAR_SAVELOAD_SCRIPT; // V6/V7 (not HE)
byte VAR_SAVELOAD_SCRIPT2; // V6/V7 (not HE)
// V6/V7 specific variables (FT & Sam & Max specific)
byte VAR_CHARSET_MASK;
// V6 specific variables
byte VAR_V6_SOUNDMODE;
// V1/V2 specific variables
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_CLICK_VERB;
byte VAR_CLICK_OBJECT;
// HE specific variables
byte VAR_REDRAW_ALL_ACTORS; // Used in setActorRedrawFlags()
byte VAR_SKIP_RESET_TALK_ACTOR; // Used in setActorCostume()
byte VAR_SOUND_CHANNEL; // Used in o_startSound()
byte VAR_TALK_CHANNEL; // Used in startHETalkSound()
byte VAR_SOUNDCODE_TMR; // Used in processSoundCode()
byte VAR_RESERVED_SOUND_CHANNELS; // Used in findFreeSoundChannel()
byte VAR_MAIN_SCRIPT; // Used in scummLoop()
byte VAR_SCRIPT_CYCLE; // Used in runScript()/runObjectScript()
byte VAR_NUM_SCRIPT_CYCLES; // Used in runAllScripts()
byte VAR_KEY_STATE; // Used in parseEvents()
byte VAR_MOUSE_STATE; // Used in checkExecVerbs();
// Exists both in V7 and in V72HE:
byte VAR_NUM_GLOBAL_OBJS;
};
} // End of namespace Scumm
#endif
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