aboutsummaryrefslogtreecommitdiff
path: root/engines/supernova/supernova.h
blob: 90ea884f0b74fb21d6360b367deeeea5966d968f (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
/* 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 SUPERNOVA_SUPERNOVA_H
#define SUPERNOVA_SUPERNOVA_H

#include "audio/audiostream.h"
#include "audio/mixer.h"
#include "audio/decoders/raw.h"
#include "common/array.h"
#include "common/events.h"
#include "common/random.h"
#include "common/scummsys.h"
#include "engines/engine.h"
#include "common/file.h"
#include "common/memstream.h"

#include "supernova/console.h"
#include "supernova/graphics.h"
#include "supernova/msn_def.h"
#include "supernova/rooms.h"


namespace Supernova {

#define SAVEGAME_HEADER MKTAG('M','S','N','1')
#define SAVEGAME_VERSION 8

#define SUPERNOVA_DAT "supernova.dat"
#define SUPERNOVA_DAT_VERSION 1


struct ScreenBuffer {
	ScreenBuffer()
		: _x(0)
		, _y(0)
		, _width(0)
		, _height(0)
		, _pixels(NULL)
	{}

	byte *_pixels;
	int _x;
	int _y;
	int _width;
	int _height;
};
class ScreenBufferStack {
public:
	ScreenBufferStack();

	void push(int x, int y, int width, int height);
	void restore();

private:
	ScreenBuffer _buffer[8];
	ScreenBuffer *_last;
};

struct SoundSample {
	SoundSample()
	    : _buffer(NULL)
	    , _length(0)
	{}

	~SoundSample() {
		delete[] _buffer;
	}

	byte *_buffer;
	int _length;
};

class SupernovaEngine : public Engine {
public:
	explicit SupernovaEngine(OSystem *syst);
	~SupernovaEngine();

	virtual Common::Error run();

	Common::RandomSource _rnd;
	GameManager *_gm;
	Console *_console;
	Audio::SoundHandle _soundHandle;
	ScreenBufferStack _screenBuffer;
	byte _mouseNormal[256];
	byte _mouseWait[256];
	MSNImageDecoder *_currentImage;
	SoundSample _soundSamples[kAudioNumSamples];
	Common::MemoryReadStream *_soundMusicIntro;
	Common::MemoryReadStream *_soundMusicOutro;
	int _screenWidth;
	int _screenHeight;
	bool _allowLoadGame;
	bool _allowSaveGame;
	Common::StringArray _gameStrings;
	Common::String _nullString;

	byte _menuBrightness;
	byte _brightness;
	uint _delay;
	bool _messageDisplayed;
	int  _textSpeed;
	int  _textCursorX;
	int  _textCursorY;
	int  _textColor;

	int  textWidth(const char *text);
	int  textWidth(const uint16 key);
	Common::Error loadGameStrings();
	void initData();
	void initPalette();
	void paletteFadeIn();
	void paletteFadeOut();
	void paletteBrightness();
	void updateEvents();
	void playSound(AudioIndex sample);
	void playSoundMod(int filenumber);
	void stopSound();
	void renderImageSection(int section);
	void renderImage(int section);
	bool setCurrentImage(int filenumber);
	void saveScreen(int x, int y, int width, int height);
	void restoreScreen();
	void renderRoom(Room &room);
	void renderMessage(const char *text, MessagePosition position = kMessageNormal);
	void removeMessage();
	void renderText(const char *text, int x, int y, byte color);
	void renderText(const uint16 character, int x, int y, byte color);
	void renderText(const char *text);
	void renderText(const uint16 character);
	void renderBox(int x, int y, int width, int height, byte color);
	void setColor63(byte value);
	bool loadGame(int slot);
	bool saveGame(int slot, const Common::String &description);
	void errorTempSave(bool saving);
	void setTextSpeed();

	const Common::String &getGameString(int idx) const {
		if (idx < 0 || idx >= (int)_gameStrings.size())
			return _nullString;
		return _gameStrings[idx];
	}

	void setGameString(int idx, const Common::String &string) {
		if (idx < 0)
			return;
		while ((int)_gameStrings.size() <= idx)
			_gameStrings.push_back(Common::String());
		_gameStrings[idx] = string;
	}

	int  textWidth(const Common::String &text) {
		if (text.empty())
			return 0;
		return textWidth(text.c_str());
	}
	void renderMessage(StringID stringId, MessagePosition position = kMessageNormal, Common::String var1 = "", Common::String var2 = "") {
		Common::String text = getGameString(stringId);
		if (!var1.empty()) {
			if (!var2.empty())
				text = Common::String::format(text.c_str(), var1.c_str(), var2.c_str());
			else
				text = Common::String::format(text.c_str(), var1.c_str());
		}
		renderMessage(text, position);
	}
	void renderMessage(const Common::String &text, MessagePosition position = kMessageNormal) {
		if (!text.empty())
			renderMessage(text.c_str(), position);
	}
	void renderText(StringID stringId, int x, int y, byte color) {
		renderText(getGameString(stringId), x, y, color);
	}
	void renderText(const Common::String &text, int x, int y, byte color) {
		if (!text.empty())
			renderText(text.c_str(), x, y, color);
	}
	void renderText(StringID stringId) {
		renderText(getGameString(stringId));
	}
	void renderText(const Common::String &text) {
		if (!text.empty())
			renderText(text.c_str());
	}

	Common::MemoryReadStream *convertToMod(const char *filename, int version = 1);

	virtual Common::Error loadGameState(int slot);
	virtual bool canLoadGameStateCurrently();
	virtual Common::Error saveGameState(int slot, const Common::String &desc);
	virtual bool canSaveGameStateCurrently();
	virtual bool hasFeature(EngineFeature f) const;
	virtual void pauseEngineIntern(bool pause);
};

}

#endif