aboutsummaryrefslogtreecommitdiff
path: root/engines/mohawk/myst_areas.h
blob: dd6605b1a1915817773cb6a94998340cf6ccf30d (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
/* 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 MYST_AREAS_H
#define MYST_AREAS_H

#include "mohawk/myst.h"
#include "mohawk/myst_scripts.h"
#include "mohawk/video.h"

#include "common/rect.h"

namespace Mohawk {

// Myst Resource Types
enum ResourceType {
	kMystAreaForward = 0,
	kMystAreaLeft = 1,
	kMystAreaRight = 2,
	kMystAreaDown = 3,
	kMystAreaUp = 4,
	kMystAreaAction = 5,
	kMystAreaVideo = 6,
	kMystAreaActionSwitch = 7,
	kMystAreaImageSwitch = 8,
	kMystAreaSlider = 10,
	kMystAreaDrag = 11,
	kMystVideoInfo = 12,
	kMystAreaHover = 13
};

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

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

	virtual const Common::String describe();
	void drawBoundingRect();

	bool hasType(ResourceType type) const { return _type == type; }
	bool contains(Common::Point point) { return _rect.contains(point); }
	virtual void drawDataToScreen() {}
	virtual void handleCardChange() {}
	Common::Rect getRect() { return _rect; }
	void setRect(const Common::Rect &rect) { _rect = rect; }
	bool isEnabled();
	void setEnabled(bool enabled);
	bool isDrawSubimages() { return _flags & kMystSubimageEnableFlag; }
	uint16 getDest() { return _dest; }
	virtual uint16 getImageSwitchVar() { return 0xFFFF; }
	bool unreachableZipDest();
	bool canBecomeActive();

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

	MystArea *_parent;
protected:
	MohawkEngine_Myst *_vm;

	ResourceType _type;
	uint16 _flags;
	Common::Rect _rect;
	uint16 _dest;
};

class MystAreaAction : public MystArea {
public:
	MystAreaAction(MohawkEngine_Myst *vm, ResourceType type, Common::SeekableReadStream *rlstStream, MystArea *parent);

	void handleMouseUp() override;
	const Common::String describe() override;

protected:
	MystScript _script;
};

class MystAreaVideo : public MystAreaAction {
public:
	MystAreaVideo(MohawkEngine_Myst *vm, ResourceType type, Common::SeekableReadStream *rlstStream, MystArea *parent);

	VideoEntryPtr playMovie();
	VideoEntryPtr getVideo();

	void handleCardChange() override;
	bool isPlaying();
	void setDirection(int16 direction) { _direction = direction; }
	void setBlocking(bool blocking) { _playBlocking = blocking; }
	void pauseMovie(bool pause);

protected:
	static Common::String convertMystVideoName(const Common::String &name);

	Common::String _videoFile;
	int16 _left;
	int16 _top;
	uint16 _loop;
	int16 _direction; // 1 => forward, -1 => backwards
	uint16 _playBlocking;
	bool _playOnCardChange;
	uint16 _playRate; // percents
};

class MystAreaActionSwitch : public MystArea {
public:
	MystAreaActionSwitch(MohawkEngine_Myst *vm, ResourceType type, Common::SeekableReadStream *rlstStream, MystArea *parent);
	~MystAreaActionSwitch() override;

	void drawDataToScreen() override;
	void handleCardChange() override;

	void handleMouseUp() override;
	void handleMouseDown() override;

	MystArea *getSubResource(uint16 index) { return _subResources[index]; }
protected:
	typedef void (MystArea::*AreaHandler)();

	void doSwitch(AreaHandler handler);

	uint16 _actionSwitchVar;
	Common::Array<MystArea *> _subResources;
};

class MystAreaImageSwitch : public MystAreaActionSwitch {
public:
	MystAreaImageSwitch(MohawkEngine_Myst *vm, ResourceType type, Common::SeekableReadStream *rlstStream, MystArea *parent);
	~MystAreaImageSwitch() override;

	struct SubImage {
		uint16 wdib;
		Common::Rect rect;
	};

	const Common::String describe() override;
	void drawDataToScreen() override;
	void drawConditionalDataToScreen(uint16 state, bool update = true);
	uint16 getImageSwitchVar() override;

	SubImage getSubImage(uint index) const;
	void setSubImageRect(uint index, const Common::Rect &rect);

protected:
	uint16 _imageSwitchVar;
	Common::Array<SubImage> _subImages;
};

class MystAreaDrag : public MystAreaImageSwitch {
public:
	MystAreaDrag(MohawkEngine_Myst *vm, ResourceType type, Common::SeekableReadStream *rlstStream, MystArea *parent);
	~MystAreaDrag() override;

	const Common::String describe() override;

	void handleMouseDown() override;
	void handleMouseUp() override;
	void handleMouseDrag() override;

	uint16 getList1(uint16 index);
	uint16 getList2(uint16 index);
	uint16 getList3(uint16 index);

	uint16 getStepsH() { return _stepsH; }
	uint16 getStepsV() { return _stepsV; }

	Common::Point _pos;
protected:
	typedef Common::Array<uint16> ValueList;

	void setPositionClipping(const Common::Point &mouse, Common::Point &dest);

	uint16 _flagHV;
	uint16 _minH;
	uint16 _maxH;
	uint16 _minV;
	uint16 _maxV;
	uint16 _stepsH;
	uint16 _stepsV;
	uint16 _stepH;
	uint16 _stepV;
	uint16 _mouseDownOpcode;
	uint16 _mouseDragOpcode;
	uint16 _mouseUpOpcode;
	ValueList _lists[3];
};

class MystAreaSlider : public MystAreaDrag {
public:
	MystAreaSlider(MohawkEngine_Myst *vm, ResourceType type, Common::SeekableReadStream *rlstStream, MystArea *parent);
	~MystAreaSlider() override;

	void handleMouseDown() override;
	void handleMouseUp() override;
	void handleMouseDrag() override;
	void setStep(uint16 step);
	void setPosition(uint16 pos);
    void restoreBackground();

protected:
	Common::Rect boundingBox();
	void updatePosition(const Common::Point &mouse);

	uint16 _dragSound;
	uint16 _sliderWidth;
	uint16 _sliderHeight;
};

class MystVideoInfo : public MystAreaDrag {
public:
	MystVideoInfo(MohawkEngine_Myst *vm, ResourceType type, Common::SeekableReadStream *rlstStream, MystArea *parent);
	~MystVideoInfo() override;

	void drawFrame(uint16 frame);
	bool pullLeverV();
	void releaseLeverV();
	uint16 getNumFrames() { return _numFrames; }

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

class MystAreaHover : public MystArea {
public:
	MystAreaHover(MohawkEngine_Myst *vm, ResourceType type, Common::SeekableReadStream *rlstStream, MystArea *parent);

	const Common::String describe() override;

	void handleMouseUp() override;
	void handleMouseEnter();
	void handleMouseLeave();

protected:
	uint16 _enterOpcode;
	uint16 _leaveOpcode;
};

} // End of namespace Mohawk

#endif