scummvm/engines/saga/saga.h
2006-10-02 23:31:14 +00:00

418 lines
10 KiB
C++

/* ScummVM - Scumm Interpreter
* Copyright (C) 2004-2006 The ScummVM project
*
* The ReInherit Engine is (C)2000-2003 by Daniel Balsom.
*
* 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 SAGA_H
#define SAGA_H
#include "engines/engine.h"
#include "common/stream.h"
#include "saga/gfx.h"
#include "saga/list.h"
#include "common/advancedDetector.h"
namespace Saga {
class SndRes;
class Sound;
class Music;
class Anim;
class Render;
class IsoMap;
class Gfx;
class Script;
class Actor;
class Font;
class Sprite;
class Scene;
class Interface;
class Console;
class Events;
class PalAnim;
class Puzzle;
class Resource;
struct ResourceContext;
struct StringList;
//#define MIN_IMG_RLECODE 3
//#define MODEX_SCANLINE_LIMIT 200 //TODO: remove
#define SAGA_IMAGE_DATA_OFFSET 776
#define SAGA_IMAGE_HEADER_LEN 8
#define MAXPATH 512 //TODO: remove
#define SAVE_TITLE_SIZE 28
#define MAX_SAVES 96
#define MAX_FILE_NAME 256
#define ID_NOTHING 0
#define ID_PROTAG 1
#define OBJECT_TYPE_SHIFT 13
#define OBJECT_TYPE_MASK ((1 << OBJECT_TYPE_SHIFT) - 1)
#define OBJ_SPRITE_BASE 9
#define memoryError(Place) error("%s Memory allocation error.", Place)
enum ERRORCODE {
MEM = -2,//todo: remove
FAILURE = -1,
SUCCESS = 0
};
#include "sagagame.h"
enum GameObjectTypes {
kGameObjectNone = 0,
kGameObjectActor = 1,
kGameObjectObject = 2,
kGameObjectHitZone = 3,
kGameObjectStepZone = 4
};
enum ScriptTimings {
kScriptTimeTicksPerSecond = (728L/10L),
kRepeatSpeedTicks = (728L/10L)/3,
kNormalFadeDuration = 320, // 64 steps, 5 msec each
kQuickFadeDuration = 64, // 64 steps, 1 msec each
kPuzzleHintTime = 30000000L // 30 secs. used in timer
};
enum Directions {
kDirUp = 0,
kDirUpRight = 1,
kDirRight = 2,
kDirDownRight = 3,
kDirDown = 4,
kDirDownLeft = 5,
kDirLeft = 6,
kDirUpLeft = 7
};
enum HitZoneFlags {
kHitZoneEnabled = (1 << 0), // Zone is enabled
kHitZoneExit = (1 << 1), // Causes char to exit
// The following flag causes the zone to act differently.
// When the actor hits the zone, it will immediately begin walking
// in the specified direction, and the actual specified effect of
// the zone will be delayed until the actor leaves the zone.
kHitZoneAutoWalk = (1 << 2),
// When set on a hit zone, this causes the character not to walk
// to the object (but they will look at it).
kHitZoneNoWalk = (1 << 2),
// zone activates only when character stops walking
kHitZoneTerminus = (1 << 3),
// Hit zones only - when the zone is clicked on it projects the
// click point downwards from the middle of the zone until it
// reaches the lowest point in the zone.
kHitZoneProject = (1 << 3)
};
struct ImageHeader {
int width;
int height;
};
struct StringsTable {
byte *stringsPointer;
int stringsCount;
const char **strings;
const char *getString(int index) const {
if ((stringsCount <= index) || (index < 0)) {
error("StringList::getString wrong index 0x%X (%d)", index, stringsCount);
}
return strings[index];
}
void freeMem() {
free(strings);
free(stringsPointer);
memset(this, 0, sizeof(*this));
}
StringsTable() {
memset(this, 0, sizeof(*this));
}
~StringsTable() {
freeMem();
}
};
enum ColorId {
kITEColorTransBlack = 0x00,
kITEColorBrightWhite = 0x01,
kITEColorWhite = 0x02,
kITEColorLightGrey = 0x04,
kITEColorGrey = 0x0a,
kITEColorDarkGrey = 0x0b,
kITEColorDarkGrey0C = 0x0C,
kITEColorBlack = 0x0f,
kITEColorRed = 0x65,
kITEColorDarkBlue8a = 0x8a,
kITEColorBlue89 = 0x89,
kITEColorLightBlue92 = 0x92,
kITEColorBlue = 0x93,
kITEColorLightBlue94 = 0x94,
kITEColorLightBlue96 = 0x96,
kITEColorGreen = 0xba,
kIHNMColorBlack = 0xfa,
kIHNMColorPortrait = 0xfe
};
enum KnownColor {
kKnownColorTransparent,
kKnownColorBrightWhite,
kKnownColorBlack,
kKnownColorSubtitleTextColor,
kKnownColorVerbText,
kKnownColorVerbTextShadow,
kKnownColorVerbTextActive
};
struct SaveFileData {
char name[SAVE_TITLE_SIZE];
uint slotNumber;
};
struct SaveGameHeader {
uint32 type;
uint32 size;
uint32 version;
char name[SAVE_TITLE_SIZE];
};
inline int ticksToMSec(int tick) {
return tick * 1000 / kScriptTimeTicksPerSecond;
}
inline int clamp(int minValue, int value, int maxValue) {
if (value <= minValue) {
return minValue;
} else {
if (value >= maxValue) {
return maxValue;
} else {
return value;
}
}
}
inline int integerCompare(int i1, int i2) {
return ((i1) > (i2) ? 1 : ((i1) < (i2) ? -1 : 0));
}
inline int objectTypeId(uint16 objectId) {
return objectId >> OBJECT_TYPE_SHIFT;
}
inline int objectIdToIndex(uint16 objectId) {
return OBJECT_TYPE_MASK & objectId;
}
inline uint16 objectIndexToId(int type, int index) {
return (type << OBJECT_TYPE_SHIFT) | (OBJECT_TYPE_MASK & index);
}
class SagaEngine : public Engine {
friend class Scene;
protected:
int go();
int init();
public:
SagaEngine(OSystem *syst);
virtual ~SagaEngine();
void shutDown() { _quit = true; }
void save(const char *fileName, const char *saveName);
void load(const char *fileName);
uint32 getCurrentLoadVersion() {
return _saveHeader.version;
}
void fillSaveList();
char *calcSaveFileName(uint slotNumber);
SaveFileData *getSaveFile(uint idx);
uint getSaveSlotNumber(uint idx);
uint getNewSaveSlotNumber();
bool locateSaveFile(char *saveName, uint &titleNumber);
bool isSaveListFull() const {
return _saveFilesMaxCount == _saveFilesCount;
}
uint getSaveFilesCount() const {
return isSaveListFull() ? _saveFilesCount : _saveFilesCount + 1;
}
int16 _framesEsc;
uint32 _globalFlags;
int16 _ethicsPoints[8];
int _spiritualBarometer;
int _soundVolume;
int _musicVolume;
bool _subtitlesEnabled;
int _readingSpeed;
bool _copyProtection;
SndRes *_sndRes;
Sound *_sound;
Music *_music;
Anim *_anim;
Render *_render;
IsoMap *_isoMap;
Gfx *_gfx;
Script *_script;
Actor *_actor;
Font *_font;
Sprite *_sprite;
Scene *_scene;
Interface *_interface;
Console *_console;
Events *_events;
PalAnim *_palanim;
Puzzle *_puzzle;
Resource *_resource;
/** Random number generator */
Common::RandomSource _rnd;
private:
int decodeBGImageRLE(const byte *inbuf, size_t inbuf_len, byte *outbuf, size_t outbuf_len);
int flipImage(byte *img_buf, int columns, int scanlines);
int unbankBGImage(byte *dest_buf, const byte *src_buf, int columns, int scanlines);
uint32 _previousTicks;
public:
int decodeBGImage(const byte *image_data, size_t image_size,
byte **output_buf, size_t *output_buf_len, int *w, int *h, bool flip = false);
const byte *getImagePal(const byte *image_data, size_t image_size);
void loadStrings(StringsTable &stringsTable, const byte *stringsPointer, size_t stringsLength);
const char *getObjectName(uint16 objectId);
public:
int processInput(void);
const Point &mousePos() const {
return _mousePos;
}
const bool leftMouseButtonPressed() const {
return _leftMouseButtonPressed;
}
const bool rightMouseButtonPressed() const {
return _rightMouseButtonPressed;
}
const bool mouseButtonPressed() const {
return _leftMouseButtonPressed || _rightMouseButtonPressed;
}
private:
uint _saveFilesMaxCount;
uint _saveFilesCount;
SaveFileData _saveFiles[MAX_SAVES];
bool _saveMarks[MAX_SAVES];
SaveGameHeader _saveHeader;
Point _mousePos;
bool _leftMouseButtonPressed;
bool _rightMouseButtonPressed;
bool _quit;
//current game description
int _gameNumber;
SAGAGameDescription *_gameDescription;
Common::String _gameTitle;
Common::Rect _displayClip;
protected:
GameDisplayInfo _gameDisplayInfo;
public:
int32 _frameCount;
public:
bool initGame(void);
public:
const SAGAGameDescription *getGameDescription() const { return _gameDescription; }
const bool isBigEndian() const { return (_gameDescription->features & GF_BIG_ENDIAN_DATA) != 0; }
const bool isMacResources() const { return (getPlatform() == Common::kPlatformMacintosh); }
const GameResourceDescription *getResourceDescription() { return _gameDescription->resourceDescription; }
const GameSoundInfo *getVoiceInfo() const { return _gameDescription->voiceInfo; }
const GameSoundInfo *getSfxInfo() const { return _gameDescription->sfxInfo; }
const GameSoundInfo *getMusicInfo() const { return _gameDescription->musicInfo; }
const GameFontDescription *getFontDescription(int index) {
assert(index < _gameDescription->fontsCount);
return &_gameDescription->fontDescriptions[index];
}
int getFontsCount() const { return _gameDescription->fontsCount; }
int getGameId() const { return _gameDescription->gameId; }
int getGameType() const { return _gameDescription->gameType; }
uint32 getFeatures() const { return _gameDescription->features; }
Common::Language getLanguage() const { return _gameDescription->desc.language; }
Common::Platform getPlatform() const { return _gameDescription->desc.platform; }
int getGameNumber() const { return _gameNumber; }
int getStartSceneNumber() const { return _gameDescription->startSceneNumber; }
const Common::Rect &getDisplayClip() const { return _displayClip;}
int getDisplayWidth() const { return _gameDisplayInfo.logicalWidth; }
int getDisplayHeight() const { return _gameDisplayInfo.logicalHeight;}
const GameDisplayInfo & getDisplayInfo() { return _gameDisplayInfo; }
const char *getTextString(int textStringId);
void getExcuseInfo(int verb, const char *&textString, int &soundResourceId);
private:
public:
ColorId KnownColor2ColorId(KnownColor knownColor);
void setTalkspeed(int talkspeed);
int getTalkspeed();
};
} // End of namespace Saga
#endif