aboutsummaryrefslogtreecommitdiff
path: root/engines/queen/grid.h
blob: 3ad3670eaec6a324546f758caa0443d15bf3f983 (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
/* 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 QUEEN_GRID_H
#define QUEEN_GRID_H

#include "common/util.h"
#include "queen/structs.h"

namespace Queen {

enum GridScreen {
	GS_ROOM  = 0,
	GS_PANEL = 1,
	GS_COUNT = 2
};

class QueenEngine;

class Grid {
public:

	Grid(QueenEngine *vm);
	~Grid();

	//! read areas data from specified stream
	void readDataFrom(uint16 numObjects, uint16 numRooms, byte *&ptr);

	//! defines a new zone
	void setZone(GridScreen screen, uint16 zoneNum, uint16 x1, uint16 y1, uint16 x2, uint16 y2);

	//! defines a new zone
	void setZone(GridScreen screen, uint16 zoneNum, const Box &box);

	//! find the zone number containing the specified point
	uint16 findZoneForPos(GridScreen screen, uint16 x, uint16 y) const;

	//! find the area number containing the specified point
	uint16 findAreaForPos(GridScreen screen, uint16 x, uint16 y) const;

	//! clear the zones for current room
	void clear(GridScreen screen);

	//! setup objects zones for the specified room
	void setupNewRoom(uint16 room, uint16 firstRoomObjNum);

	//! setup panel zones
	void setupPanel();

	//! draw the zones for current room (debug only)
	void drawZones();

	//! retuns a reference to the specified zone
	const Box *zone(GridScreen screen, uint16 index) const;

	//! get the verb for the specified cursor position
	Verb findVerbUnderCursor(int16 cursorx, int16 cursory) const;

	//! get the object for the specified cursor position
	uint16 findObjectUnderCursor(int16 cursorx, int16 cursory) const;

	//! get the object for the specified zone number
	uint16 findObjectNumber(uint16 zoneNum) const;

	//! get scale for the specified position
	uint16 findScale(uint16 x, uint16 y) const;

	//! returns a reference to the specfied room area
	Area *area(int room, int num) const { return &_area[room][num]; }

	//! returns the number of areas in this room
	uint16 areaMax(int room) const { return _areaMax[room]; }

	//! returns the number of objects in this room
	uint16 objMax(int room) const { return _objMax[room]; }

	void saveState(byte *&ptr);
	void loadState(uint32 ver, byte *&ptr);

	enum {
		MAX_ZONES_NUMBER = 32,
		MAX_AREAS_NUMBER = 11
	};


private:

	struct ZoneSlot {
		bool valid;
		Box box;
	};

	//! current room zones
	ZoneSlot _zones[GS_COUNT][MAX_ZONES_NUMBER];

	//! number of objects for each room
	int16 *_objMax;

	//! number of areas for each room
	int16 *_areaMax;

	//! areas for each room
	Area (*_area)[MAX_AREAS_NUMBER];

	//! total number of room areas
	uint16 _numRoomAreas;

	//! box/zone for each objects
	Box *_objectBox;

	QueenEngine *_vm;
};


} // End of namespace Queen

#endif