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|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 TOUCHE_ENGINE_H
#define TOUCHE_ENGINE_H
#include "common/array.h"
#include "common/endian.h"
#include "common/file.h"
#include "common/rect.h"
#include "common/util.h"
#include "sound/mixer.h"
#include "engines/engine.h"
namespace Touche {
struct Area {
Common::Rect r;
int16 srcX, srcY;
Area() {
srcX = srcY = 0;
}
Area(int16 x, int16 y, int16 w, int16 h) {
r = Common::Rect(x, y, x + w, y + h);
srcX = srcY = 0;
}
bool clip(const Common::Rect &rect) {
const int dx = r.left - rect.left;
if (dx < 0) {
srcX -= dx;
}
const int dy = r.top - rect.top;
if (dy < 0) {
srcY -= dy;
}
if (rect.left > r.left) {
r.left = rect.left;
}
if (rect.top > r.top) {
r.top = rect.top;
}
if (rect.right < r.right) {
r.right = rect.right;
}
if (rect.bottom < r.bottom) {
r.bottom = rect.bottom;
}
return (r.right > r.left && r.bottom > r.top);
}
};
struct KeyChar {
uint16 num;
uint16 flags;
int16 currentAnimCounter;
int16 strNum;
int16 walkDataNum;
int16 spriteNum;
Common::Rect prevBoundingRect;
Common::Rect boundingRect;
int16 xPos;
int16 yPos;
int16 zPos;
int16 xPosPrev;
int16 yPosPrev;
int16 zPosPrev;
int16 prevWalkDataNum;
uint16 textColor;
int16 inventoryItems[4];
int16 money;
int16 pointsDataNum;
int16 currentWalkBox;
uint16 prevPointsDataNum;
int16 currentAnim;
int16 facingDirection;
int16 currentAnimSpeed;
int16 framesList[16];
int16 framesListCount;
int16 currentFrame;
int16 anim1Start;
int16 anim1Count;
int16 anim2Start;
int16 anim2Count;
int16 anim3Start;
int16 anim3Count;
int16 followingKeyCharNum;
int16 followingKeyCharPos;
uint16 sequenceDataIndex;
uint16 sequenceDataOffset;
int16 walkPointsListIndex;
int16 walkPointsList[40];
uint16 scriptDataStartOffset;
uint16 scriptDataOffset;
int16 *scriptStackPtr;
int16 delay;
int16 waitingKeyChar;
int16 waitingKeyCharPosTable[3];
int16 scriptStackTable[40];
};
struct Script {
uint8 opcodeNum;
uint32 dataOffset;
int16 keyCharNum;
uint8 *dataPtr;
int16 *stackDataPtr;
int16 *stackDataBasePtr;
int16 quitFlag;
int16 stackDataTable[500];
void init(uint8 *data) {
dataPtr = data;
stackDataPtr = stackDataBasePtr = &stackDataTable[499];
dataOffset = 0;
quitFlag = 0;
}
uint8 readByte(uint32 offs) const {
return *(dataPtr + offs);
}
int16 readWord(uint32 offs) const {
return READ_LE_UINT16(dataPtr + offs);
}
uint8 readNextByte() {
uint8 val = readByte(dataOffset);
++dataOffset;
return val;
}
int16 readNextWord() {
int16 val = readWord(dataOffset);
dataOffset += 2;
return val;
}
};
struct TalkEntry {
int16 otherKeyChar;
int16 talkingKeyChar;
int16 num;
};
struct ConversationChoice {
int16 num;
int16 msg;
};
struct AnimationEntry {
int16 num;
int16 x;
int16 y;
int16 dx;
int16 dy;
int16 posNum;
int16 delayCounter;
int16 displayCounter;
Common::Rect displayRect;
};
struct SequenceEntry {
int16 sprNum;
int16 seqNum;
};
struct SpriteData {
uint32 size;
uint8 *ptr;
uint16 bitmapWidth;
uint16 bitmapHeight;
uint16 w;
uint16 h;
};
struct InventoryState {
int16 displayOffset;
int16 lastItem;
int16 itemsPerLine;
int16 *itemsList;
};
struct ProgramPointData {
int16 x, y, z;
int16 order;
};
struct ProgramWalkData {
int16 point1;
int16 point2;
int16 clippingRect;
int16 area1;
int16 area2;
};
struct ProgramAreaData {
Area area;
int16 id;
int16 state;
int16 animCount;
int16 animNext;
};
struct ProgramBackgroundData {
Area area;
int16 type;
int16 offset;
int16 scaleMul;
int16 scaleDiv;
};
struct ProgramHitBoxData {
int16 item;
int16 talk;
uint16 state;
int16 str;
int16 defaultStr;
int16 actions[8];
Common::Rect hitBoxes[2];
};
struct ProgramActionScriptOffsetData {
int16 object1;
int16 action;
int16 object2;
uint16 offset;
};
struct ProgramKeyCharScriptOffsetData {
int16 keyChar;
uint16 offset;
};
struct ProgramConversationData {
int16 num;
uint16 offset;
int16 msg;
};
enum {
kDebugEngine = 1 << 0,
kDebugGraphics = 1 << 1,
kDebugResource = 1 << 2,
kDebugOpcodes = 1 << 3,
kDebugMenu = 1 << 4
};
enum ResourceType {
kResourceTypeRoomImage = 0,
kResourceTypeSequence,
kResourceTypeSpriteImage,
kResourceTypeIconImage,
kResourceTypeRoomInfo,
kResourceTypeProgram,
kResourceTypeMusic,
kResourceTypeSound
};
enum TalkMode {
kTalkModeTextOnly = 0,
kTalkModeVoiceOnly,
kTalkModeVoiceAndText,
kTalkModeCount
};
enum ScriptFlag {
kScriptStopped = 1 << 0,
kScriptPaused = 1 << 1
};
enum SaveLoadMode {
kSaveGameState = 0,
kLoadGameState
};
enum InventoryArea {
kInventoryCharacter = 0,
kInventoryMoneyDisplay,
kInventoryGoldCoins,
kInventorySilverCoins,
kInventoryMoney,
kInventoryScroller1,
kInventoryObject1,
kInventoryObject2,
kInventoryObject3,
kInventoryObject4,
kInventoryObject5,
kInventoryObject6,
kInventoryScroller2
};
enum {
kScreenWidth = 640,
kScreenHeight = 400,
kRoomHeight = 352,
kStartupEpisode = 90,
kCycleDelay = 1000 / (1193180 / 32768),
kIconWidth = 58,
kIconHeight = 42,
kCursorWidth = 58,
kCursorHeight = 42,
kTextHeight = 16,
kMaxProgramDataSize = 61440,
kMaxSaveStates = 100,
kGameStateDescriptionLen = 32, // Need these two values defined here
kCurrentGameStateVersion = 6 // for --list-saves support
};
class MidiPlayer;
class ToucheEngine: public Engine {
public:
enum {
NUM_FLAGS = 2000,
NUM_KEYCHARS = 32,
NUM_SPRITES = 7,
NUM_SEQUENCES = 7,
NUM_CONVERSATION_CHOICES = 40,
NUM_TALK_ENTRIES = 16,
NUM_ANIMATION_ENTRIES = 4,
NUM_INVENTORY_ITEMS = 100,
NUM_DIRTY_RECTS = 30,
NUM_DIRECTIONS = 135
};
typedef void (ToucheEngine::*OpcodeProc)();
ToucheEngine(OSystem *system, Common::Language language);
virtual ~ToucheEngine();
virtual int init();
virtual int go();
virtual void syncSoundSettings();
protected:
bool detectGame();
void restart();
void readConfigurationSettings();
void writeConfigurationSettings();
void mainLoop();
void processEvents(bool handleKeyEvents = true);
void runCycle();
int16 getRandomNumber(int max);
void changePaletteRange();
void playSoundInRange();
void resetSortedKeyCharsTable();
void setupEpisode(int num);
void setupNewEpisode();
void drawKeyChar(KeyChar *key);
void sortKeyChars();
void runKeyCharScript(KeyChar *key);
void runCurrentKeyCharScript(int mode);
void executeScriptOpcode(int16 param);
void initKeyChars(int keyChar);
void setKeyCharTextColor(int keyChar, uint16 color);
void waitForKeyCharPosition(int keyChar);
void setKeyCharBox(int keyChar, int value);
void setKeyCharFrame(int keyChar, int16 type, int16 value1, int16 value2);
void setKeyCharFacingDirection(int keyChar, int16 dir);
void initKeyCharScript(int keyChar, int16 spriteNum, int16 seqDataIndex, int16 seqDataOffs);
uint16 findProgramKeyCharScriptOffset(int keyChar) const;
bool scrollRoom(int keyChar);
void drawIcon(int x, int y, int num);
void centerScreenToKeyChar(int keyChar);
void waitForKeyCharsSet();
void redrawRoom();
void fadePalette(int firstColor, int colorCount, int scale, int scaleInc, int fadingStepsCount);
void fadePaletteFromFlags();
void moveKeyChar(uint8 *dst, int dstPitch, KeyChar *key);
void changeKeyCharFrame(KeyChar *key, int keyChar);
void setKeyCharRandomFrame(KeyChar *key);
void setKeyCharMoney();
const char *getString(int num) const;
int getStringWidth(int num) const;
void drawString(uint16 color, int x, int y, int16 num);
void drawGameString(uint16 color, int x1, int y, const char *str);
int restartKeyCharScriptOnAction(int action, int obj1, int obj2);
void buildSpriteScalingTable(int z1, int z2);
void drawSpriteOnBackdrop(int num, int x, int y);
void updateTalkFrames(int keyChar);
void setKeyCharTalkingFrame(int keyChar);
void lockUnlockHitBox(int num, int lock);
void drawHitBoxes();
void showCursor(bool show);
void setCursor(int num);
void setDefaultCursor(int num);
void handleLeftMouseButtonClickOnInventory();
void handleRightMouseButtonClickOnInventory();
void handleMouseInput(int flag);
void handleMouseClickOnRoom(int flag);
void handleMouseClickOnInventory(int flag);
void scrollScreenToPos(int num);
void clearRoomArea();
void startNewMusic();
void startNewSound();
void updateSpeech();
int handleActionMenuUnderCursor(const int16 *actions, int offs, int y, int str);
void redrawBackground();
void addRoomArea(int num, int flag);
void updateRoomAreas(int num, int flags);
void setRoomAreaState(int num, uint16 state);
void findAndRedrawRoomRegion(int num);
void updateRoomRegions();
void redrawRoomRegion(int num, bool markForRedraw);
void initInventoryObjectsTable();
void initInventoryLists();
void setupInventoryAreas();
void drawInventory(int index, int flag);
void drawAmountOfMoneyInInventory();
void packInventoryItems(int index);
void appendItemToInventoryList(int index);
void addItemToInventory(int inventory, int16 item);
void removeItemFromInventory(int inventory, int16 item);
void resetTalkingVars();
int updateKeyCharTalk(int pauseFlag);
const char *formatTalkText(int *y, int *h, const char *text);
void addToTalkTable(int talkingKeyChar, int num, int otherKeyChar);
void removeFromTalkTable(int keyChar);
void addConversationChoice(int16 num);
void removeConversationChoice(int16 num);
void runConversationScript(uint16 offset);
void findConversationByNum(int16 num);
void clearConversationChoices();
void scrollDownConversationChoice();
void scrollUpConversationChoice();
void drawCharacterConversation();
void drawConversationString(int num, uint16 color);
void clearConversationArea();
void setupConversationScript(int num);
void handleConversation();
void buildWalkPointsList(int keyChar);
int findWalkDataNum(int pointNum1, int pointNum2);
void changeWalkPath(int num1, int num2, int16 val);
void adjustKeyCharPosToWalkBox(KeyChar *key, int moveType);
void lockWalkPath(int num1, int num2);
void unlockWalkPath(int num1, int num2);
void resetPointsData(int num);
bool sortPointsData(int num1, int num2);
void updateKeyCharWalkPath(KeyChar *key, int16 dx, int16 dy, int16 dz);
void markWalkPoints(int keyChar);
void buildWalkPath(int dstPosX, int dstPosY, int keyChar);
void addToAnimationTable(int num, int posNum, int keyChar, int delayCounter);
void copyAnimationImage(int dstX, int dstY, int w, int h, const uint8 *src, int srcX, int srcY, int fillColor);
void drawAnimationImage(AnimationEntry *anim);
void processAnimationTable();
void clearAnimationTable();
void addToDirtyRect(const Common::Rect &r);
void clearDirtyRects();
void setPalette(int firstColor, int colorCount, int redScale, int greenScale, int blueScale);
void updateScreenArea(int x, int y, int w, int h);
void updateEntireScreen();
void updateDirtyScreenAreas();
void updatePalette();
void saveGameStateData(Common::WriteStream *stream);
void loadGameStateData(Common::ReadStream *stream);
bool saveGameState(int num, const char *description);
bool loadGameState(int num);
void readGameStateDescription(int num, char *description, int len);
void generateGameStateFileName(int num, char *dst, int len, bool prefixOnly = false) const;
int getGameStateFileSlot(const char *filename) const;
void setupOpcodes();
void op_nop();
void op_jnz();
void op_jz();
void op_jmp();
void op_true();
void op_false();
void op_push();
void op_testFalse();
void op_add();
void op_sub();
void op_mul();
void op_div();
void op_mod();
void op_and();
void op_or();
void op_not();
void op_testGreater();
void op_testEquals();
void op_testLower();
void op_fetchScriptWord();
void op_testGreaterOrEquals();
void op_testLowerOrEquals();
void op_testNotEquals();
void op_endConversation();
void op_stopScript();
void op_getFlag();
void op_setFlag();
void op_fetchScriptByte();
void op_getKeyCharWalkBox();
void op_startSound();
void op_moveKeyCharToPos();
void op_loadRoom();
void op_updateRoom();
void op_startTalk();
void op_loadSprite();
void op_loadSequence();
void op_setKeyCharBox();
void op_initKeyCharScript();
void op_setKeyCharFrame();
void op_setKeyCharDirection();
void op_clearConversationChoices();
void op_addConversationChoice();
void op_removeConversationChoice();
void op_getInventoryItem();
void op_setInventoryItem();
void op_startEpisode();
void op_setConversationNum();
void op_enableInput();
void op_disableInput();
void op_faceKeyChar();
void op_getKeyCharCurrentAnim();
void op_getCurrentKeyChar();
void op_isKeyCharActive();
void op_setPalette();
void op_changeWalkPath();
void op_lockWalkPath();
void op_initializeKeyChar();
void op_setupWaitingKeyChars();
void op_updateRoomAreas();
void op_unlockWalkPath();
void op_addItemToInventoryAndRedraw();
void op_giveItemTo();
void op_setHitBoxText();
void op_fadePalette();
void op_getInventoryItemFlags();
void op_drawInventory();
void op_stopKeyCharScript();
void op_restartKeyCharScript();
void op_getKeyCharCurrentWalkBox();
void op_getKeyCharPointsDataNum();
void op_setupFollowingKeyChar();
void op_startAnimation();
void op_setKeyCharTextColor();
void op_startMusic();
void op_sleep();
void op_setKeyCharDelay();
void op_lockHitBox();
void op_removeItemFromInventory();
void op_unlockHitBox();
void op_addRoomArea();
void op_setKeyCharFlags();
void op_unsetKeyCharFlags();
void op_loadSpeechSegment();
void op_drawSpriteOnBackdrop();
void op_startPaletteFadeIn();
void op_startPaletteFadeOut();
void op_setRoomAreaState();
void res_openDataFile();
void res_closeDataFile();
void res_allocateTables();
void res_deallocateTables();
uint32 res_getDataOffset(ResourceType type, int num, uint32 *size = NULL);
void res_loadSpriteImage(int num, uint8 *dst);
void res_loadProgram(int num);
void res_decodeProgramData();
void res_loadRoom(int num);
void res_loadSprite(int num, int index);
void res_loadSequence(int num, int index);
void res_decodeScanLineImageRLE(uint8 *dst, int lineWidth);
void res_loadBackdrop();
void res_loadImage(int num, uint8 *dst);
void res_loadImageHelper(uint8 *imgData, int imgWidth, int imgHeight);
void res_loadSound(int flag, int num);
void res_stopSound();
void res_loadMusic(int num);
void res_loadSpeech(int num);
void res_loadSpeechSegment(int num);
void res_stopSpeech();
void drawButton(void *button);
void redrawMenu(void *menu);
void handleMenuAction(void *menu, int actionId);
void handleOptions(int forceDisplay);
void drawActionsPanel(int dstX, int dstY, int deltaX, int deltaY);
void drawConversationPanelBorder(int dstY, int srcX, int srcY);
void drawConversationPanel();
void printStatusString(const char *str);
void clearStatusString();
int displayQuitDialog();
void displayTextMode(int str);
Common::Point getMousePos() const;
MidiPlayer *_midiPlayer;
Common::Language _language;
Common::RandomSource _rnd;
bool _inp_leftMouseButtonPressed;
bool _inp_rightMouseButtonPressed;
int _disabledInputCounter;
bool _hideInventoryTexts;
bool _displayQuitDialog;
int _saveLoadCurrentPage;
int _saveLoadCurrentSlot;
int _newMusicNum;
int _currentMusicNum;
int _newSoundNum;
int _newSoundDelay;
int _newSoundPriority;
int _playSoundCounter;
bool _speechPlaying;
Audio::SoundHandle _sfxHandle;
Audio::SoundHandle _speechHandle;
int16 _inventoryList1[101];
int16 _inventoryList2[101];
int16 _inventoryList3[7];
InventoryState _inventoryStateTable[3];
int16 _inventoryItemsInfoTable[NUM_INVENTORY_ITEMS];
int16 *_inventoryVar1;
int16 *_inventoryVar2;
int _currentCursorObject;
Common::Rect _inventoryAreasTable[13];
int _talkTextMode;
int _talkListEnd;
int _talkListCurrent;
bool _talkTextRectDefined;
bool _talkTextDisplayed;
bool _talkTextInitialized;
bool _skipTalkText;
int _talkTextSpeed;
int _keyCharTalkCounter;
int _talkTableLastTalkingKeyChar;
int _talkTableLastOtherKeyChar;
int _talkTableLastStringNum;
int _objectDescriptionNum;
TalkEntry _talkTable[NUM_TALK_ENTRIES];
bool _conversationChoicesUpdated;
int _conversationReplyNum;
bool _conversationEnded;
int _conversationNum;
int _scrollConversationChoiceOffset;
int _currentConversation;
bool _disableConversationScript;
bool _conversationAreaCleared;
ConversationChoice _conversationChoicesTable[NUM_CONVERSATION_CHOICES];
int16 _flagsTable[NUM_FLAGS];
KeyChar _keyCharsTable[NUM_KEYCHARS];
KeyChar *_sortedKeyCharsTable[NUM_KEYCHARS];
int _currentKeyCharNum;
int _newEpisodeNum;
int _currentEpisodeNum;
int _currentAmountOfMoney;
int _giveItemToKeyCharNum;
int _giveItemToObjectNum;
int _giveItemToCounter;
int _currentRoomNum;
int _waitingSetKeyCharNum1;
int _waitingSetKeyCharNum2;
int _waitingSetKeyCharNum3;
uint8 _updatedRoomAreasTable[200];
Common::Rect _moveKeyCharRect;
Common::Point _screenOffset;
int _currentObjectNum;
int _processRandomPaletteCounter;
int16 _spriteScalingIndex[1000];
int16 _spriteScalingTable[1000];
bool _fastWalkMode;
bool _fastMode;
AnimationEntry _animationTable[NUM_ANIMATION_ENTRIES];
Script _script;
const OpcodeProc *_opcodesTable;
int _numOpcodes;
Common::File _fData;
Common::File _fSpeech[2];
int _compressedSpeechData;
uint8 *_textData;
uint8 *_backdropBuffer;
uint8 *_menuKitData;
uint8 *_convKitData;
uint8 *_sequenceDataTable[NUM_SEQUENCES];
uint8 *_programData;
uint32 _programDataSize;
uint8 *_mouseData;
uint8 *_iconData;
SpriteData _spritesTable[NUM_SPRITES];
SequenceEntry _sequenceEntryTable[NUM_SEQUENCES];
int _currentBitmapWidth;
int _currentBitmapHeight;
int _currentImageWidth;
int _currentImageHeight;
int _roomWidth;
uint8 *_programTextDataPtr;
Common::Array<Common::Rect> _programRectsTable;
Common::Array<ProgramPointData> _programPointsTable;
Common::Array<ProgramWalkData> _programWalkTable;
Common::Array<ProgramAreaData> _programAreaTable;
Common::Array<ProgramBackgroundData> _programBackgroundTable;
Common::Array<ProgramHitBoxData> _programHitBoxTable;
Common::Array<ProgramActionScriptOffsetData> _programActionScriptOffsetTable;
Common::Array<ProgramKeyCharScriptOffsetData> _programKeyCharScriptOffsetTable;
Common::Array<ProgramConversationData> _programConversationTable;
Common::Rect _cursorObjectRect;
Common::Rect _talkTextRect, _talkTextRect2;
Common::Rect _screenRect;
Common::Rect _roomAreaRect;
bool _roomNeedRedraw;
int _fullRedrawCounter;
int _menuRedrawCounter;
uint8 *_offscreenBuffer;
uint8 _paletteBuffer[256 * 4];
Common::Rect _dirtyRectsTable[NUM_DIRTY_RECTS];
int _dirtyRectsTableCount;
static const uint8 _directionsTable[NUM_DIRECTIONS];
};
/*
FLAGS LIST
115 : don't set backdrop palette on room loading
118 : current amount of money
119 : current cursor object
176 : keychar max direction
266 : keychar direction override
267 : don't decode picture/sprite images (in load_image_helper)
268 : don't decode picture/sprite images
269 : disable room background animations
270 : play random sound
290 : process random palette
295 : game cycle counter (incremented)
296 : game cycle counter (incremented)
297 : game cycle counter (incremented)
298 : game cycle counter (decremented)
299 : game cycle counter (decremented)
600 : last ascii key press
603 : fade palette "scale" increment (in vbl handler)
605 : fade palette "scale"
606 : inventory redraw disabled
607 : first palette color to fade
608 : last palette color to fade
609 : max fade palette "scale"
610 : min fade palette "scale"
611 : quit game
612 : random number modulo
613 : last generated random number
614 : room scroll x offset
615 : room scroll y offset
616 : disable room scrolling
617 : current speech file number
618 : hide mouse cursor
621 : enable french version "features"
902 : debug/draw walk boxes
911 : load scripts/programs from external files
*/
} // namespace Touche
#endif
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