aboutsummaryrefslogtreecommitdiff
path: root/engines/mohawk/myst.h
blob: a66456e1c8a2c2d82a7235a7e53a263571fcb834 (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
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
/* 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 MOHAWK_MYST_H
#define MOHAWK_MYST_H

#include "mohawk/console.h"
#include "mohawk/mohawk.h"
#include "mohawk/resource_cache.h"
#include "mohawk/myst_vars.h"

#include "gui/saveload.h"

namespace Mohawk {

class MohawkEngine_Myst;
class VideoManager;
class MystGraphics;
class MystScriptParser;
class MystConsole;
class MystSaveLoad;
class MystOptionsDialog;

// Engine Debug Flags
enum {
	kDebugVariable = (1 << 0),
	kDebugSaveLoad = (1 << 1),
	kDebugView     = (1 << 2),
	kDebugHint     = (1 << 3),
	kDebugResource = (1 << 4),
	kDebugINIT     = (1 << 5),
	kDebugEXIT     = (1 << 6),
	kDebugScript   = (1 << 7),
	kDebugHelp     = (1 << 8),
	kDebugCache    = (1 << 9)
};

// Myst Stacks
enum {
	kChannelwoodStack = 0,	// Channelwood Age
	kCreditsStack,			// Credits
	kDemoStack,				// Demo Main Menu
	kDniStack,				// D'ni
	kIntroStack,			// Intro
	kMakingOfStack,			// Making Of Myst
	kMechanicalStack,		// Mechanical Age
	kMystStack,				// Myst Island
	kSeleniticStack,		// Selenitic Age
	kDemoSlidesStack,		// Demo Slideshow
	kDemoPreviewStack,		// Demo Myst Library Preview
	kStoneshipStack			// Stoneship Age
};

const uint16 kMasterpieceOnly = 0xFFFF;

// Myst Resource Types
// TODO: Other types and such
enum {
	kMystForwardResource = 0,
	kMystLeftResource = 1,
	kMystRightResource = 2,
	kMystDownResource = 3,
	kMystUpResource = 4,
	kMystActionResource = 5,
	kMystVideoResource = 6,
	kMystSwitchResource = 7
};

// Myst Resource Flags
// TODO: Figure out other flags
enum {
	kMystSubimageEnableFlag = (1 << 0),
	kMystHotspotEnableFlag  = (1 << 1),
	kMystUnknownFlag        = (1 << 2),
	kMystZipModeEnableFlag  = (1 << 3)
};

struct MystCondition {
	uint16 var;
	uint16 numStates;
	uint16 *values;
};

// View Sound Action Type
enum {
	kMystSoundActionConditional  = -4,
	kMystSoundActionContinue     = -1,
	kMystSoundActionChangeVolume = -2,
	kMystSoundActionStop         = -3
	// Other positive values are PlayNewSound of that id
};

struct MystView {
	uint16 flags;

	// Image Data
	uint16 conditionalImageCount;
	MystCondition *conditionalImages;
	uint16 mainImage;

	// Sound Data
	int16 sound;
	uint16 soundVolume;
	uint16 soundVar;
	uint16 soundCount;
	int16 *soundList;
	uint16 *soundListVolume;

	// Script Resources
	uint16 scriptResCount;
	struct ScriptResource {
		uint16 type;
		uint16 id; // Not used by type 3
		// TODO: Type 3 has more. Maybe use a union?
		uint16 var; // Used by type 3 only
		uint16 count; // Used by type 3 only
		uint16 u0; // Used by type 3 only
		int16 *resource_list; // Used by type 3 only
	} *scriptResources;

	// Resource ID's
	uint16 rlst;
	uint16 hint;
	uint16 init;
	uint16 exit;
};

struct MystScriptEntry {
	uint16 opcode;
	uint16 var;
	uint16 numValues;
	uint16 *values;
};

class MystResource {
public:
	MystResource(MohawkEngine_Myst *vm, Common::SeekableReadStream *rlstStream, MystResource *parent);
	virtual ~MystResource();

	MystResource *_parent;

	bool contains(Common::Point point) { return _rect.contains(point); }
	virtual void drawDataToScreen() {}
	virtual void handleAnimation() {}
	virtual Common::Rect getRect() { return _rect; }
	bool isEnabled() { return _enabled; }
	void setEnabled(bool enabled) { _enabled = enabled; }
	uint16 getDest() { return _dest; }
	virtual uint16 getType8Var() { return 0xFFFF; }

	// Mouse interface
	virtual void handleMouseUp();
	virtual void handleMouseDown() {}
	virtual void handleMouseEnter() {}
	virtual void handleMouseLeave() {}

protected:
	MohawkEngine_Myst *_vm;

	uint16 _flags;
	Common::Rect _rect;
	uint16 _dest;
	bool _enabled;
};

class MystResourceType5 : public MystResource {
public:
	MystResourceType5(MohawkEngine_Myst *vm, Common::SeekableReadStream *rlstStream, MystResource *parent);
	virtual ~MystResourceType5();
	void handleMouseUp();

protected:
	uint16 _scriptCount;
	MystScriptEntry *_scripts;
};

class MystResourceType6 : public MystResourceType5 {
public:
	MystResourceType6(MohawkEngine_Myst *vm, Common::SeekableReadStream *rlstStream, MystResource *parent);
	void handleAnimation();

protected:
	static Common::String convertMystVideoName(Common::String name);
	Common::String _videoFile;
	uint16 _left;
	uint16 _top;
	uint16 _loop;
	uint16 _u0;
	uint16 _playBlocking;
	uint16 _playOnCardChange;
	uint16 _u3;

private:
	bool _videoRunning;
};

struct MystResourceType7 : public MystResource {
public:
	MystResourceType7(MohawkEngine_Myst *vm, Common::SeekableReadStream *rlstStream, MystResource *parent);
	virtual ~MystResourceType7();

	virtual void drawDataToScreen();
	virtual void handleAnimation();

	virtual void handleMouseUp();
	virtual void handleMouseDown();
	virtual void handleMouseEnter();
	virtual void handleMouseLeave();

protected:
	uint16 _var7;
	uint16 _numSubResources;
	Common::Array<MystResource*> _subResources;
};

class MystResourceType8 : public MystResourceType7 {
public:
	MystResourceType8(MohawkEngine_Myst *vm, Common::SeekableReadStream *rlstStream, MystResource *parent);
	virtual ~MystResourceType8();
	void drawDataToScreen();
	uint16 getType8Var();

protected:
	uint16 _var8;
	uint16 _numSubImages;
	struct SubImage {
		uint16 wdib;
		Common::Rect rect;
	} *_subImages;
};

// No MystResourceType9!

class MystResourceType10 : public MystResourceType8 {
public:
	MystResourceType10(MohawkEngine_Myst *vm, Common::SeekableReadStream *rlstStream, MystResource *parent);
	virtual ~MystResourceType10();
	void handleMouseUp();

protected:
	uint16 _kind;
	Common::Rect _rect10;
	uint16 _u0;
	uint16 _u1;
	uint16 _mouseDownOpcode;
	uint16 _mouseDragOpcode;
	uint16 _mouseUpOpcode;
	struct {
		uint16 listCount;
		uint16 *list;
	} _lists[4];
};

class MystResourceType11 : public MystResourceType8 {
public:
	MystResourceType11(MohawkEngine_Myst *vm, Common::SeekableReadStream *rlstStream, MystResource *parent);
	virtual ~MystResourceType11();
	void handleMouseUp();

protected:
	uint16 _kind;
	Common::Rect _rect11;
	uint16 _u0;
	uint16 _u1;
	uint16 _mouseDownOpcode;
	uint16 _mouseDragOpcode;
	uint16 _mouseUpOpcode;
	struct {
		uint16 listCount;
		uint16 *list;
	} _lists[3];
};

class MystResourceType12 : public MystResourceType8 {
public:
	MystResourceType12(MohawkEngine_Myst *vm, Common::SeekableReadStream *rlstStream, MystResource *parent);
	virtual ~MystResourceType12();
	void handleAnimation();
	void handleMouseUp();

protected:
	uint16 _kind;
	Common::Rect _rect11;
	uint16 _state0Frame;
	uint16 _state1Frame;
	uint16 _mouseDownOpcode;
	uint16 _mouseDragOpcode;
	uint16 _mouseUpOpcode;
	struct {
		uint16 listCount;
		uint16 *list;
	} _lists[3];

	uint16 _numFrames;
	uint16 _firstFrame;
	Common::Rect _frameRect;

private:
	bool _doAnimation;
	uint16 _currentFrame;
};

class MystResourceType13 : public MystResource {
public:
	MystResourceType13(MohawkEngine_Myst *vm, Common::SeekableReadStream *rlstStream, MystResource *parent);
	void handleMouseUp();
	void handleMouseEnter();
	void handleMouseLeave();

protected:
	uint16 _enterOpcode;
	uint16 _leaveOpcode;
};

struct MystCursorHint {
	uint16 id;
	int16 cursor;

	MystCondition variableHint;
};

class MohawkEngine_Myst : public MohawkEngine {
protected:
	Common::Error run();

public:
	MohawkEngine_Myst(OSystem *syst, const MohawkGameDescription *gamedesc);
	virtual ~MohawkEngine_Myst();

	Common::SeekableReadStream *getRawData(uint32 tag, uint16 id);

	Common::String wrapMovieFilename(Common::String movieName, uint16 stack);

	void reloadSaveList();
	void runLoadDialog();
	void runSaveDialog();

	void changeToStack(uint16 stack);
	void changeToCard(uint16 card);
	uint16 getCurCard() { return _curCard; }
	uint16 getCurStack() { return _curStack; }
	void setMainCursor(uint16 cursor);

	MystVar *_varStore;

	bool _zipMode;
	bool _transitionsEnabled;
	bool _tweaksEnabled;
	bool _needsUpdate;

	MystView _view;
	MystGraphics *_gfx;
	MystSaveLoad *_saveLoad;
	MystScriptParser *_scriptParser;

	bool _showResourceRects;
	void setResourceEnabled(uint16 resourceId, bool enable);

	void setCacheState(bool state) { _cache.enabled = state; }
	bool getCacheState(void) { return _cache.enabled; }

	GUI::Debugger *getDebugger() { return _console; }

	bool canLoadGameStateCurrently() { return !(getFeatures() & GF_DEMO); }
	bool canSaveGameStateCurrently() { return !(getFeatures() & GF_DEMO); }
	Common::Error loadGameState(int slot);
	Common::Error saveGameState(int slot, const char *desc);
	bool hasFeature(EngineFeature f) const;

private:
	MystConsole *_console;
	GUI::SaveLoadChooser *_loadDialog;
	MystOptionsDialog *_optionsDialog;
	ResourceCache _cache;
	void cachePreload(uint32 tag, uint16 id);

	uint16 _curStack;
	uint16 _curCard;

	bool _runExitScript;

	void loadCard();
	void unloadCard();
	void runInitScript();
	void runExitScript();

	void loadHelp(uint16 id);

	Common::Array<MystResource*> _resources;
	void loadResources();
	void drawResourceRects();
	void checkCurrentResource();
	int16 _curResource;

	uint16 _cursorHintCount;
	MystCursorHint *_cursorHints;
	void loadCursorHints();
	void checkCursorHints();
	Common::Point _mousePos;
	uint16 _currentCursor;
	uint16 _mainCursor; // Also defines the current page being held (white, blue, red, or none)
};

} // End of namespace Mohawk

#endif