aboutsummaryrefslogtreecommitdiff
path: root/engines/sci/graphics/helpers.h
blob: 4889f12bd2da6cceda7b8d46f9aee731de16edb9 (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
/* 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 SCI_GRAPHICS_HELPERS_H
#define SCI_GRAPHICS_HELPERS_H

#include "common/endian.h"	// for READ_LE_UINT16
#include "common/rect.h"
#include "common/serializer.h"
#include "sci/engine/vm_types.h"

namespace Sci {

// Cache limits
#define MAX_CACHED_CURSORS 10
#define MAX_CACHED_FONTS 20
#define MAX_CACHED_VIEWS 50

#define SCI_SHAKE_DIRECTION_VERTICAL 1
#define SCI_SHAKE_DIRECTION_HORIZONTAL 2

typedef int GuiResourceId; // is a resource-number and -1 means no parameter given

typedef int16 TextAlignment;

#define PORTS_FIRSTWINDOWID 2
#define PORTS_FIRSTSCRIPTWINDOWID 3


struct Port {
	uint16 id;
	int16 top, left;
	Common::Rect rect;
	int16 curTop, curLeft;
	int16 fontHeight;
	GuiResourceId fontId;
	bool greyedOutput;
	int16 penClr, backClr;
	int16 penMode;
	uint16 counterTillFree;

	Port(uint16 theId) : id(theId), top(0), left(0),
		curTop(0), curLeft(0),
		fontHeight(0), fontId(0), greyedOutput(false),
		penClr(0), backClr(0xFF), penMode(0), counterTillFree(0) {
	}

	bool isWindow() const { return id >= PORTS_FIRSTWINDOWID && id != 0xFFFF; }
};

struct Window : public Port, public Common::Serializable {
	Common::Rect dims; // client area of window
	Common::Rect restoreRect; // total area of window including borders
	uint16 wndStyle;
	uint16 saveScreenMask;
	reg_t hSaved1;
	reg_t hSaved2;
	Common::String title;
	bool bDrawn;

	Window(uint16 theId) : Port(theId),
		wndStyle(0), saveScreenMask(0),
		hSaved1(NULL_REG), hSaved2(NULL_REG),
		bDrawn(false) {
	}

	void syncRect(Common::Serializer &ser, Common::Rect &targetRect) {
		ser.syncAsSint16LE(targetRect.top);
		ser.syncAsSint16LE(targetRect.left);
		ser.syncAsSint16LE(targetRect.bottom);
		ser.syncAsSint16LE(targetRect.right);
	}

	virtual void saveLoadWithSerializer(Common::Serializer &ser) {
		ser.syncAsUint16LE(id);
		ser.syncAsSint16LE(top);
		ser.syncAsSint16LE(left);
		syncRect(ser, rect);
		ser.syncAsSint16LE(curTop);
		ser.syncAsSint16LE(curLeft);
		ser.syncAsSint16LE(fontHeight);
		ser.syncAsSint32LE(fontId);
		ser.syncAsByte(greyedOutput);
		ser.syncAsSint16LE(penClr);
		ser.syncAsSint16LE(backClr);
		ser.syncAsSint16LE(penMode);
		ser.syncAsUint16LE(counterTillFree);
		syncRect(ser, dims);
		syncRect(ser, restoreRect);
		ser.syncAsUint16LE(wndStyle);
		ser.syncAsUint16LE(saveScreenMask);
		if (ser.isLoading()) {
			// The hunk table isn't saved, so we just set both pointers to NULL
			hSaved1 = NULL_REG;
			hSaved2 = NULL_REG;
		}
		ser.syncString(title);
		ser.syncAsByte(bDrawn);
	}
};

struct Color {
	byte used;
	byte r, g, b;
};

struct Palette {
	byte mapping[256];
	uint32 timestamp;
	Color colors[256];
	byte intensity[256];
};

struct PalSchedule {
	byte from;
	uint32 schedule;
};

// Game view types, sorted by the number of colors
enum ViewType {
	kViewUnknown,   // uninitialized, or non-SCI
	kViewEga,       // EGA SCI0/SCI1 and Amiga SCI0/SCI1 ECS 16 colors
	kViewAmiga,     // Amiga SCI1 ECS 32 colors
	kViewAmiga64,   // Amiga SCI1 AGA 64 colors (i.e. Longbow)
	kViewVga,       // VGA SCI1 256 colors
	kViewVga11      // VGA SCI1.1 and newer 256 colors
};

} // End of namespace Sci

#endif