aboutsummaryrefslogtreecommitdiff
path: root/engines/m4/sprite.h
blob: 022f3bbc4f6734ddd7e84929137f5c756ed742cb (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
/* 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 M4_SPRITE_H
#define M4_SPRITE_H

#include "common/util.h"
#include "common/endian.h"
#include "common/stream.h"
#include "m4/graphics.h"

/*
	TODO:
		- change DrawRequestX and RendCell
*/

namespace M4 {

typedef struct
{
	int32	 x;		// x position relative	to GrBuff(0, 0)
	int32	 y;		// y position relative	to GrBuff(0, 0)
	int32	 scale_x;		// x scale factor (can be negative for reverse draw)
	int32	 scale_y;		// y scale factor (can't be negative)
	uint8*	depth_map;	// depth code array for destination (doesn't care if srcDepth is 0)
	BGR8	  *Pal;		// palette for shadow draw (doesn't care if SHADOW bit is not set in Src.encoding)
	uint8*	ICT;		// Inverse Color Table (doesn't care if SHADOW bit is not set in Src.encoding)
	uint8	 depth;		// depth code for source (0 if no depth processing)
} DrawRequestX;

typedef struct
{
	uint32 Pack;
	uint32 Stream;
	long   hot_x;
	long   hot_y;
	uint32 Width;
	uint32 Height;
	uint32 Comp;
	uint32 Reserved[8];
	uint8* data;
} RendCell;

#define SS_HEADER_NUM_FIELDS 14
struct SpriteSeriesHeader {
	uint32 header;
	uint32 size;
	uint32 packing;
	uint32 frameRate;
	uint32 pixSpeed;
	uint32 maxWidth;
	uint32 maxHeight;
	uint32 reserved3;
	uint32 reserved4;
	uint32 reserved5;
	uint32 reserved6;
	uint32 reserved7;
	uint32 reserved8;
	uint32 count;
};

#define SF_HEADER_NUM_FIELDS 15
struct SpriteFrameHeader {
	uint32 pack;
	uint32 stream;
	uint32 x;
	uint32 y;
	uint32 width;
	uint32 height;
	uint32 comp;
	uint32 reserved1;
	uint32 reserved2;
	uint32 reserved3;
	uint32 reserved4;
	uint32 reserved5;
	uint32 reserved6;
	uint32 reserved7;
	uint32 reserved8;
};

class M4Sprite : public M4Surface {
public:
	int x, y;
	int xOffset, yOffset;
	uint8 encoding;

	M4Sprite(MadsM4Engine *vm): M4Surface() {}
	M4Sprite(MadsM4Engine *vm, int widthVal, int heightVal): M4Surface(widthVal, heightVal), xOffset(0), yOffset(0) {}
	// Loads a sprite from the given stream, and optionally decompresses the RLE-encoded data
	M4Sprite(Common::SeekableReadStream* source, int xOfs, int yOfs, int widthVal, int heightVal, bool decodeRle = true, uint8 encodingVal = 0);
	// Loads an RLE compressed sprite; the surface must have been created before
	void loadRle(Common::SeekableReadStream* rleData);
	void loadDeltaRle(Common::SeekableReadStream* rleData, int destX, int destY);
	void loadMadsSprite(Common::SeekableReadStream* source);

	void draw1(M4Surface *destSurface, int scale, int depth, int xp, int yp) {
		// TODO: Properly implement drawing
		copyTo(destSurface, xp, yp, 0);
	}
	void draw2(M4Surface *destSurface, int depth, int xp, int yp) {
		// TODO: Properly implement drawing
		copyTo(destSurface, xp, yp, 0);
	}
	void draw3(M4Surface *destSurface, int xp, int yp) {
		// TODO: Properly implement drawing
		copyTo(destSurface, xp, yp, 0);
	}
	byte getTransparentColor() const;
protected:
};

} // End of namespace M4

#endif