aboutsummaryrefslogtreecommitdiff
path: root/engines/mohawk/myst.h
blob: b850bbd613dff9075b3982dbab2b6af6d9429a14 (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
/* 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.
 *
 */

#ifndef MOHAWK_MYST_H
#define MOHAWK_MYST_H

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

#include "audio/mixer.h"

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

namespace Mohawk {

class MohawkEngine_Myst;
class VideoManager;
class MystGraphics;
class MystScriptParser;
class MystConsole;
class MystGameState;
class MystOptionsDialog;
class MystSound;
class MystArea;
class MystAreaImageSwitch;
class MystAreaHover;
class MystCard;

// 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 MystStack {
	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
	kMenuStack				// Main menu
};

// Transitions
enum TransitionType {
	kTransitionLeftToRight	= 0,
	kTransitionRightToLeft	= 1,
	kTransitionSlideToLeft	= 2,
	kTransitionSlideToRight	= 3,
	kTransitionDissolve		= 4,
	kTransitionTopToBottom	= 5,
	kTransitionBottomToTop	= 6,
	kTransitionSlideToTop	= 7,
	kTransitionSlideToBottom= 8,
	kTransitionPartToRight	= 9,
	kTransitionPartToLeft	= 10,
	kTransitionCopy			= 11,
	kNoTransition			= 999
};

struct MystCondition {
	uint16 var;
	Common::Array<uint16> values;
};

struct MystSoundBlock {
	struct SoundItem {
		int16 action;
		uint16 volume;
	};

	int16 sound;
	uint16 soundVolume;
	uint16 soundVar;
	Common::Array<SoundItem> soundList;
};

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

typedef Common::SharedPtr<MystCard> MystCardPtr;
typedef Common::SharedPtr<MystScriptParser> MystScriptParserPtr;

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

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

	Common::SeekableReadStream *getResource(uint32 tag, uint16 id) override;
	Common::Array<uint16> getResourceIDList(uint32 type) const;
	void cachePreload(uint32 tag, uint16 id);

	void changeToStack(MystStack stackId, uint16 card, uint16 linkSrcSound, uint16 linkDstSound);
	void changeToCard(uint16 card, TransitionType transition);
	MystCard *getCard() { return _card.get(); };
	MystCardPtr getCardPtr() { return _card; };
	void setMainCursor(uint16 cursor);
	uint16 getMainCursor() { return _mainCursor; }
	void refreshCursor();
	bool wait(uint32 duration, bool skippable = false);

	/** Update the game state according to events and update the screen */
	void doFrame();

	MystSoundBlock readSoundBlock(Common::ReadStream *stream) const;
	void applySoundBlock(const MystSoundBlock &block);

	bool _showResourceRects;

	VideoManager *_video;
	MystSound *_sound;
	MystGraphics *_gfx;
	MystGameState *_gameState;
	MystScriptParserPtr _stack;
	Common::RandomSource *_rnd;

	MystArea *loadResource(Common::SeekableReadStream *rlstStream, MystArea *parent);
	void redrawResource(MystAreaImageSwitch *resource, bool update = true);

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

	VideoEntryPtr playMovie(const Common::String &name, MystStack stack);
	VideoEntryPtr playMovieFullscreen(const Common::String &name, MystStack stack);
	VideoEntryPtr findVideo(const Common::String &name, MystStack stack);
	void playMovieBlocking(const Common::String &name, MystStack stack, uint16 x, uint16 y);
	void playFlybyMovie(MystStack stack);
	void waitUntilMovieEnds(const VideoEntryPtr &video);
	Common::String selectLocalizedMovieFilename(const Common::String &movieName);

	void playSoundBlocking(uint16 id);

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

	/**
	 * Is the game currently interactive
	 *
	 * When the game is interactive, the user can interact with the game world
	 * and perform other operations such as loading saved games, ...
	 */
	bool isInteractive();
	bool canLoadGameStateCurrently() override;
	bool canSaveGameStateCurrently() override;
	Common::Error loadGameState(int slot) override;
	Common::Error saveGameState(int slot, const Common::String &desc) override;
	void tryAutoSaving();
	bool hasFeature(EngineFeature f) const override;

	void resumeFromMainMenu();

	void runLoadDialog();
	void runSaveDialog();
	void runOptionsDialog();

private:
	MystConsole *_console;
	MystOptionsDialog *_optionsDialog;
	ResourceCache _cache;

	MystScriptParserPtr _prevStack;

	MystCardPtr _card;
	MystCardPtr _prevCard;
	uint32 _lastSaveTime;

	bool hasGameSaveSupport() const;
	void pauseEngineIntern(bool pause) override;

	void goToMainMenu();

	void dropPage();

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

	void loadStackArchives(MystStack stackId);
	void loadArchive(const char *archiveName, const char *language, bool mandatory);

	// Input
	bool _mouseClicked;
	bool _mouseMoved;
	bool _escapePressed;
	bool _waitingOnBlockingOperation;

	uint16 _currentCursor;
	uint16 _mainCursor; // Also defines the current page being held (white, blue, red, or none)
};

} // End of namespace Mohawk

#endif