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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.
*
*/
/*
* Based on the Reverse Engineering work of Christophe Fontanel,
* maintainer of the Dungeon Master Encyclopaedia (http://dmweb.free.fr/)
*/
#ifndef DM_DM_H
#define DM_DM_H
#include "engines/engine.h"
#include "engines/savestate.h"
#include "common/random.h"
#include "common/savefile.h"
#include "common/str.h"
#include "common/memstream.h"
#include "advancedDetector.h"
#include "dm/console.h"
struct ADGameDescription;
namespace DM {
class DisplayMan;
class DungeonMan;
class EventManager;
class MenuMan;
class ChampionMan;
class ObjectMan;
class InventoryMan;
class TextMan;
class MovesensMan;
class GroupMan;
class Timeline;
class ProjExpl;
class DialogMan;
class SoundMan;
enum OriginalSaveFormat {
kDMSaveFormatAcceptAny = -1,
kDMSaveFormatEndOfList = 0,
kDMSaveFormatNone = 0,
kDMSaveFormatAtari = 1,
kDMSaveFormatAmigaPC98FmTowns = 2,
kCSBSaveFormatAtari = 2,
kDMSaveFormatAppleIIgs = 3,
kDMSaveFormatAmiga36PC = 5,
kCSBSaveFormatAmigaPC98FmTowns = 5,
kDMSaveFormatTotal
};
enum OriginalSavePlatform {
kDMSavePlatformAcceptAny = -1,
kDMSavePlatformEndOfList = 0,
kDMSavePlatformNone = 0,
kDMSavePlatformAtariSt = 1, // @ C1_PLATFORM_ATARI_ST
kDMSavePlatformAppleIIgs = 2, // @ C2_PLATFORM_APPLE_IIGS
kDMSavePlatformAmiga = 3, // @ C3_PLATFORM_AMIGA
kDMSavePlatformPC98 = 5, // @ C5_PLATFORM_PC98
kDMSavePlatformX68000 = 6, // @ C6_PLATFORM_X68000
kDMSavePlatformFmTownsEN = 7, // @ C7_PLATFORM_FM_TOWNS_EN
kDMSavePlatformFmTownsJP = 8, // @ C8_PLATFORM_FM_TOWNS_JP
kDMSavePlatformPC = 9, // @ C9_PLATFORM_PC
kDMSavePlatformTotal
};
enum SaveTarget {
kDMSaveTargetAcceptAny = -1,
kDMSaveTargetEndOfList = 0,
kDMSaveTargetNone = 0,
kDMSaveTargetDM21 = 1,
kDMSaveTargetTotal
};
enum Direction {
kDMDirNorth = 0,
kDMDirEast = 1,
kDMDirSouth = 2,
kDMDirWest = 3
};
enum ThingType {
kDMThingTypeParty = -1, // @ CM1_THING_TYPE_PARTY
kDMThingTypeDoor = 0, // @ C00_THING_TYPE_DOOR
kDMThingTypeTeleporter = 1, // @ C01_THING_TYPE_TELEPORTER
kDMstringTypeText = 2, // @ C02_THING_TYPE_TEXTSTRING
kDMThingTypeSensor = 3, // @ C03_THING_TYPE_SENSOR
kDMThingTypeGroup = 4, // @ C04_THING_TYPE_GROUP
kDMThingTypeWeapon = 5, // @ C05_THING_TYPE_WEAPON
kDMThingTypeArmour = 6, // @ C06_THING_TYPE_ARMOUR
kDMThingTypeScroll = 7, // @ C07_THING_TYPE_SCROLL
kDMThingTypePotion = 8, // @ C08_THING_TYPE_POTION
kDMThingTypeContainer = 9, // @ C09_THING_TYPE_CONTAINER
kDMThingTypeJunk = 10, // @ C10_THING_TYPE_JUNK
kDMThingTypeProjectile = 14, // @ C14_THING_TYPE_PROJECTILE
kDMThingTypeExplosion = 15, // @ C15_THING_TYPE_EXPLOSION
kDMThingTypeTotal = 16 // +1 than the last (explosionThingType)
}; // @ C[00..15]_THING_TYPE_...
enum Cell {
kDMCellAny = -1, // @ CM1_CELL_ANY
kDMCellNorthWest = 0, // @ C00_CELL_NORTHWEST
kDMCellNorthEast = 1, // @ C01_CELL_NORTHEAST
kDMCellSouthEast = 2, // @ C02_CELL_SOUTHEAST
kDMCellSouthWest = 3 // @ C03_CELL_SOUTHWEST
};
enum GameMode {
kDMModeLoadSavedGame = 0, // @ C000_MODE_LOAD_SAVED_GAME
kDMModeLoadDungeon = 1, // @ C001_MODE_LOAD_DUNGEON
kDMModeWaitingOnEntrance = 99, // @ C099_MODE_WAITING_ON_ENTRANCE
kDMModeEntranceDrawCredits = 202 // @ C202_MODE_ENTRANCE_DRAW_CREDITS
};
enum LoadgameResult {
kDMLoadgameFailure = -1, // @ CM1_LOAD_GAME_FAILURE
kDMLoadgameSuccess = 1// @ C01_LOAD_GAME_SUCCESS
};
enum MapIndice {
kDMMapIndexNone = -1, // @ CM1_MAP_INDEX_NONE
kDMMapIndexEntrance = 255 // @ C255_MAP_INDEX_ENTRANCE
};
#define kDMMaskDecodeEvenIfInvisible 0x8000 // @ MASK0x8000_DECODE_EVEN_IF_INVISIBLE
#define kDMMaskMergeCycles 0x8000 // @ MASK0x8000_MERGE_CYCLES
#define kDMSlotBoxInventoryFirstSlot 8 // @ C08_SLOT_BOX_INVENTORY_FIRST_SLOT
#define kDMSlotBoxInventoryActionHand 9 // @ C09_SLOT_BOX_INVENTORY_ACTION_HAND
#define kDMSlotBoxChestFirstSlot 38 // @ C38_SLOT_BOX_CHEST_FIRST_SLOT
struct DMADGameDescription {
ADGameDescription _desc;
SaveTarget _saveTargetToWrite;
OriginalSaveFormat _origSaveFormatToWrite;
OriginalSavePlatform _origPlatformToWrite;
SaveTarget _saveTargetToAccept[kDMSaveTargetTotal + 1];
OriginalSaveFormat _saveFormatToAccept[kDMSaveFormatTotal + 1];
OriginalSavePlatform _origPlatformToAccept[kDMSavePlatformTotal + 1];
};
class Thing {
public:
uint16 _data;
Thing() : _data(0) {}
Thing(const Thing &other) { set(other._data); }
explicit Thing(uint16 d) { set(d); }
void set(uint16 d) {
_data = d;
}
byte getCell() const { return _data >> 14; }
ThingType getType() const { return (ThingType)((_data >> 10) & 0xF); }
uint16 getIndex() const { return _data & 0x3FF; }
void setCell(uint16 cell) { _data = (_data & ~(0x3 << 14)) | ((cell & 0x3) << 14); }
void setType(uint16 type) { _data = (_data & ~(0xF << 10)) | ((type & 0xF) << 10); }
void setIndex(uint16 index) { _data = (_data & ~0x3FF) | (index & 0x3FF); }
uint16 getTypeAndIndex() { return _data & 0x3FFF; }
uint16 toUint16() const { return _data; } // I don't like 'em cast operators
bool operator==(const Thing &rhs) const { return _data == rhs._data; }
bool operator!=(const Thing &rhs) const { return _data != rhs._data; }
}; // @ THING
#define setFlag(val, mask) ((val) |= (mask))
#define getFlag(val, mask) ((val) & (mask))
#define clearFlag(val, mask) ((val) &= (~(mask))) // @ M09_CLEAR
// Note: F0026_MAIN_GetBoundedValue<T> has been replaced by CLIP<T>
#define CALL_MEMBER_FN(object, ptrToMember) ((object).*(ptrToMember))
struct SaveGameHeader {
byte _version;
SaveStateDescriptor _descr;
};
class DMEngine : public Engine {
private:
void startGame(); // @ F0462_START_StartGame_CPSF
void processNewPartyMap(uint16 mapIndex); // @ F0003_MAIN_ProcessNewPartyMap_CPSE
void initializeGame(); // @ F0463_START_InitializeGame_CPSADEF
void initMemoryManager(); // @ F0448_STARTUP1_InitializeMemoryManager_CPSADEF
void gameloop(); // @ F0002_MAIN_GameLoop_CPSDF
void initConstants();
Common::String getSavefileName(uint16 slot);
void writeSaveGameHeader(Common::OutSaveFile *out, const Common::String &saveName);
bool writeCompleteSaveFile(int16 slot, Common::String &desc, int16 saveAndPlayChoice);
void drawEntrance(); // @ F0439_STARTEND_DrawEntrance
void fuseSequenceUpdate(); // @ F0445_STARTEND_FuseSequenceUpdate
void processEntrance(); // @ F0441_STARTEND_ProcessEntrance
void openEntranceDoors(); // @ F0438_STARTEND_OpenEntranceDoors
void drawTittle(); // @ F0437_STARTEND_DrawTitle
public:
explicit DMEngine(OSystem *syst, const DMADGameDescription *gameDesc);
~DMEngine();
virtual bool hasFeature(EngineFeature f) const;
virtual Common::Error loadGameState(int slot);
virtual bool canLoadGameStateCurrently();
bool isDemo() const;
GUI::Debugger *getDebugger() { return _console; }
void delay(uint16 verticalBlank); // @ F0022_MAIN_Delay
uint16 getScaledProduct(uint16 val, uint16 scale, uint16 vale2); // @ F0030_MAIN_GetScaledProduct
uint16 getRandomNumber(uint32 max) { return _rnd->getRandomNumber(max - 1); }
int16 ordinalToIndex(int16 val); // @ M01_ORDINAL_TO_INDEX
int16 indexToOrdinal(int16 val); // @ M00_INDEX_TO_ORDINAL
virtual Common::Error run(); // @ main
void saveGame(); // @ F0433_STARTEND_ProcessCommand140_SaveGame_CPSCDF
LoadgameResult loadgame(int16 slot); // @ F0435_STARTEND_LoadGame_CPSF
void endGame(bool doNotDrawCreditsOnly); // @ F0444_STARTEND_Endgame
void entranceDrawCredits();
void fuseSequence(); // @ F0446_STARTEND_FuseSequence
Common::Language getGameLanguage();
Direction turnDirRight(int16 dir); // @ M17_NEXT
Direction turnDirLeft(int16 dir); // @ M19_PREVIOUS
Direction returnOppositeDir(int16 dir); // @ M18_OPPOSITE
bool isOrientedWestEast(int16 dir); // @ M16_IS_ORIENTED_WEST_EAST
uint16 normalizeModulo4(int16 dir); // @ M21_NORMALIZE
int32 filterTime(int32 mapTime); // @ M30_TIME
int32 setMapAndTime(uint32 map, uint32 time); // @ M33_SET_MAP_AND_TIME
uint16 getMap(int32 mapTime); // @ M29_MAP
Thing thingWithNewCell(Thing thing, int16 cell); // @ M15_THING_WITH_NEW_CELL
int16 getDistance(int16 mapx1, int16 mapy1, int16 mapx2, int16 mapy2); // @ M38_DISTANCE
int32 setMap(int32 mapTime, uint32 map); // @ M31_setMap
private:
uint16 _dungeonId; // @ G0526_ui_DungeonID
byte *_entranceDoorAnimSteps[10]; // @ G0562_apuc_Bitmap_EntranceDoorAnimationSteps
byte *_interfaceCredits; // @ G0564_puc_Graphic5_InterfaceCredits
Common::RandomSource *_rnd;
byte *_savedScreenForOpenEntranceDoors; // ad-hoc HACK
const DMADGameDescription *_gameVersion;
bool _canLoadFromGMM;
public:
Console *_console;
DisplayMan *_displayMan;
DungeonMan *_dungeonMan;
EventManager *_eventMan;
MenuMan *_menuMan;
ChampionMan *_championMan;
ObjectMan *_objectMan;
InventoryMan *_inventoryMan;
TextMan *_textMan;
MovesensMan *_moveSens;
GroupMan *_groupMan;
Timeline *_timeline;
ProjExpl *_projexpl;
DialogMan *_dialog;
SoundMan *_sound;
Common::MemoryWriteStreamDynamic *_saveThumbnail;
bool _engineShouldQuit;
int _loadSaveSlotAtRuntime;
GameMode _gameMode; // @ G0298_B_NewGame
bool _restartGameRequest; // @ G0523_B_RestartGameRequested
bool _stopWaitingForPlayerInput; // @ G0321_B_StopWaitingForPlayerInput
bool _gameTimeTicking; // @ G0301_B_GameTimeTicking
bool _restartGameAllowed; // @ G0524_B_RestartGameAllowed
bool _pressingEye; // @ G0331_B_PressingEye
bool _stopPressingEye; // @ G0332_B_StopPressingEye
bool _pressingMouth; // @ G0333_B_PressingMouth
bool _stopPressingMouth; // @ G0334_B_StopPressingMouth
bool _highlightBoxInversionRequested; // @ G0340_B_HighlightBoxInversionRequested
int16 _projectileDisableMovementTicks; // @ G0311_i_ProjectileDisabledMovementTicks
int16 _lastProjectileDisabledMovementDirection; // @ G0312_i_LastProjectileDisabledMovementDirection
bool _gameWon; // @ G0302_B_GameWon
int16 _newPartyMapIndex; // @ G0327_i_NewPartyMapIndex
bool _setMousePointerToObjectInMainLoop; // @ G0325_B_SetMousePointerToObjectInMainLoop
int16 _disabledMovementTicks; // @ G0310_i_DisabledMovementTicks
int8 _dirIntoStepCountEast[4]; // @ G0233_ai_Graphic559_DirectionToStepEastCount
int8 _dirIntoStepCountNorth[4]; // @ G0234_ai_Graphic559_DirectionToStepNorthCount
int32 _gameTime; // @ G0313_ul_GameTime
char _stringBuildBuffer[128]; // @ G0353_ac_StringBuildBuffer
int16 _waitForInputMaxVerticalBlankCount; // @ G0318_i_WaitForInputMaximumVerticalBlankCount
Thing _thingNone; // @ C0xFFFF_THING_NONE
Thing _thingEndOfList; // @ C0xFFFE_THING_ENDOFLIST
Thing _thingFirstExplosion; // @ C0xFF80_THING_FIRST_EXPLOSION
Thing _thingExplFireBall; // @ C0xFF80_THING_EXPLOSION_FIREBALL
Thing _thingExplSlime; // @ C0xFF81_THING_EXPLOSION_SLIME
Thing _thingExplLightningBolt; // @ C0xFF82_THING_EXPLOSION_LIGHTNING_BOLT
Thing _thingExplHarmNonMaterial; // @ C0xFF83_THING_EXPLOSION_HARM_NON_MATERIAL
Thing _thingExplOpenDoor; // @ C0xFF84_THING_EXPLOSION_OPEN_DOOR
Thing _thingExplPoisonBolt; // @ C0xFF86_THING_EXPLOSION_POISON_BOLT
Thing _thingExplPoisonCloud; // @ C0xFF87_THING_EXPLOSION_POISON_CLOUD
Thing _thingExplSmoke; // @ C0xFFA8_THING_EXPLOSION_SMOKE
Thing _thingExplFluxcage; // @ C0xFFB2_THING_EXPLOSION_FLUXCAGE
Thing _thingExplRebirthStep1; // @ C0xFFE4_THING_EXPLOSION_REBIRTH_STEP1
Thing _thingExplRebirthStep2; // @ C0xFFE5_THING_EXPLOSION_REBIRTH_STEP2
Thing _thingParty; // @ C0xFFFF_THING_PARTY
};
WARN_UNUSED_RESULT bool readSaveGameHeader(Common::InSaveFile *in, SaveGameHeader *header, bool skipThumbnail = true);
} // End of namespace DM
#endif
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