aboutsummaryrefslogtreecommitdiff
path: root/engines/kyra/kyra_v1.h
blob: 81871615e8fc60818e8bae561e48714a2ad9e75f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
/* 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 KYRA_KYRA_V1_H
#define KYRA_KYRA_V1_H

#include "engines/engine.h"

#include "common/array.h"
#include "common/events.h"

#include "kyra/script.h"

namespace Common {
class SeekableReadStream;
class WriteStream;
} // end of namespace Common

class KyraMetaEngine;

namespace Kyra {

struct GameFlags {
	Common::Language lang;

	// language overwrites of fan translations (only needed for multilingual games)
	Common::Language fanLang;
	Common::Language replacedLang;

	Common::Platform platform;

	bool isDemo					: 1;
	bool useAltShapeHeader		: 1;	// alternative shape header (uses 2 bytes more, those are unused though)
	bool isTalkie				: 1;
	bool useHiResOverlay		: 1;
	bool useDigSound			: 1;
	bool useInstallerPackage	: 1;

	byte gameID;
};

enum {
	GI_KYRA1 = 0,
	GI_KYRA2 = 1,
	GI_KYRA3 = 2,
	GI_LOL = 4
};

struct AudioDataStruct {
	const char * const *_fileList;
	int _fileListLen;
	const void * _cdaTracks;
	int _cdaNumTracks;
};

// TODO: this is just the start of makeing the debug output of the kyra engine a bit more useable
// in the future we maybe merge some flags  and/or create new ones
enum kDebugLevels {
	kDebugLevelScriptFuncs = 1 << 0,		// prints debug output of o#_* functions
	kDebugLevelScript = 1 << 1,				// prints debug output of "EMCInterpreter" functions
	kDebugLevelSprites = 1 << 2,			// prints debug output of "Sprites" functions
	kDebugLevelScreen = 1 << 3,				// prints debug output of "Screen" functions
	kDebugLevelSound = 1 << 4,				// prints debug output of "Sound" functions
	kDebugLevelAnimator = 1 << 5,			// prints debug output of "ScreenAnimator" functions
	kDebugLevelMain = 1 << 6,				// prints debug output of common "KyraEngine(_v#)" functions && "TextDisplayer" functions
	kDebugLevelGUI = 1 << 7,				// prints debug output of "KyraEngine*" gui functions
	kDebugLevelSequence = 1 << 8,			// prints debug output of "SeqPlayer" functions
	kDebugLevelMovie = 1 << 9,				// prints debug output of movie specific funtions
	kDebugLevelTimer = 1 << 10				// prints debug output of "TimerManager" functions
};

enum kMusicDataID {
	kMusicIntro = 0,
	kMusicIngame,
	kMusicFinale
};

class Screen;
class Resource;
class Sound;
class Movie;
class TextDisplayer;
class StaticResource;
class TimerManager;
class Debugger;

class KyraEngine_v1 : public Engine {
friend class Debugger;
friend class ::KyraMetaEngine;
friend class GUI;
public:
	KyraEngine_v1(OSystem *system, const GameFlags &flags);
	virtual ~KyraEngine_v1();

	::GUI::Debugger *getDebugger();

	virtual void pauseEngineIntern(bool pause);

	uint8 game() const { return _flags.gameID; }
	const GameFlags &gameFlags() const { return _flags; }

	// access to Kyra specific functionallity
	Resource *resource() { return _res; }
	virtual Screen *screen() = 0;
	virtual TextDisplayer *text() { return _text; }
	Sound *sound() { return _sound; }
	StaticResource *staticres() { return _staticres; }
	TimerManager *timer() { return _timer; }

	uint32 tickLength() const { return _tickLength; }

	Common::RandomSource _rnd;

	// input
	void setMousePos(int x, int y);
	Common::Point getMousePos() const;

	// config specific
	bool speechEnabled();
	bool textEnabled();

	enum kVolumeEntry {
		kVolumeMusic = 0,
		kVolumeSfx = 1,
		kVolumeSpeech = 2
	};

	// volume reaches from 2 to 97
	void setVolume(kVolumeEntry vol, uint8 value);
	uint8 getVolume(kVolumeEntry vol);

	// game flag handling
	int setGameFlag(int flag);
	int queryGameFlag(int flag) const;
	int resetGameFlag(int flag);

	// sound
	virtual void snd_playTheme(int file, int track);
	virtual void snd_playSoundEffect(int id, int volume=0xFF);
	virtual void snd_playWanderScoreViaMap(int command, int restart);
	virtual void snd_playVoiceFile(int id) = 0;
	virtual bool snd_voiceIsPlaying();
	virtual void snd_stopVoice();

	// delay functionallity
	virtual void delayUntil(uint32 timestamp, bool updateGameTimers = false, bool update = false, bool isMainLoop = false);
	virtual void delay(uint32 millis, bool update = false, bool isMainLoop = false);
	virtual void delayWithTicks(int ticks);

protected:
	virtual int go() = 0;
	virtual int init();

	// intern
	Resource *_res;
	Sound *_sound;
	TextDisplayer *_text;
	StaticResource *_staticres;
	TimerManager *_timer;
	EMCInterpreter *_emc;
	Debugger *_debugger;

	// config specific
	virtual void registerDefaultSettings();
	virtual void readSettings();
	virtual void writeSettings();

	uint8 _configWalkspeed;

	int _configMusic;
	bool _configSounds;
	uint8 _configVoice;

	// game speed
	virtual bool skipFlag() const = 0;
	virtual void resetSkipFlag(bool removeEvent = true) = 0;

	uint16 _tickLength;
	uint16 _gameSpeed;

	// run
	int8 _deathHandler;

	// timer
	virtual void setupTimers() = 0;

	virtual void setWalkspeed(uint8 speed) = 0;

	// detection
	GameFlags _flags;

	// opcode
	virtual void setupOpcodeTable() = 0;
	Common::Array<const Opcode*> _opcodes;

	int o1_queryGameFlag(EMCState *script);
	int o1_setGameFlag(EMCState *script);
	int o1_resetGameFlag(EMCState *script);
	int o1_getRand(EMCState *script);
	int o1_hideMouse(EMCState *script);
	int o1_showMouse(EMCState *script);
	int o1_setMousePos(EMCState *script);
	int o1_setHandItem(EMCState *script);
	int o1_removeHandItem(EMCState *script);
	int o1_getMouseState(EMCState *script);
	int o1_setDeathHandler(EMCState *script);
	int o1_playWanderScoreViaMap(EMCState *script);
	int o1_fillRect(EMCState *script);
	int o1_blockInWalkableRegion(EMCState *script);
	int o1_blockOutWalkableRegion(EMCState *script);
	int o1_playSoundEffect(EMCState *script);

	// items
	int _mouseState;

	virtual void setHandItem(uint16 item) = 0;
	virtual void removeHandItem() = 0;

	// game flags
	uint8 _flagsTable[100];	// TODO: check this value

	// sound
	Common::String _speechFile;

	int _curMusicTheme;
	int _curSfxFile;
	int16 _lastMusicCommand;

	const int8 *_trackMap;
	int _trackMapSize;

	// pathfinder
	virtual int findWay(int x, int y, int toX, int toY, int *moveTable, int moveTableSize);
	int findSubPath(int x, int y, int toX, int toY, int *moveTable, int start, int end);
	int getFacingFromPointToPoint(int x, int y, int toX, int toY);
	int getOppositeFacingDirection(int dir);
	void changePosTowardsFacing(int &x, int &y, int facing);
	int getMoveTableSize(int *moveTable);
	virtual bool lineIsPassable(int x, int y) = 0;

	static const int8 _addXPosTable[];
	static const int8 _addYPosTable[];

	// Character
	
	static const int8 _charAddXPosTable[];
	static const int8 _charAddYPosTable[];

	// save/load
	int _gameToLoad;

	const char *getSavegameFilename(int num);
	bool saveFileLoadable(int slot);

	struct SaveHeader {
		Common::String description;
		uint32 version;
		byte gameID;
		uint32 flags;

		bool originalSave;	// savegame from original interpreter
		bool oldHeader;		// old scummvm save header

		Graphics::Surface *thumbnail;
	};

	enum kReadSaveHeaderError {
		kRSHENoError = 0,
		kRSHEInvalidType = 1,
		kRSHEInvalidVersion = 2,
		kRSHEIoError = 3
	};

	static kReadSaveHeaderError readSaveHeader(Common::SeekableReadStream *file, bool loadThumbnail, SaveHeader &header);

	Common::SeekableReadStream *openSaveForReading(const char *filename, SaveHeader &header);
	Common::WriteStream *openSaveForWriting(const char *filename, const char *saveName, const Graphics::Surface *thumbnail) const;
};

} // End of namespace Kyra

#endif