aboutsummaryrefslogtreecommitdiff
path: root/engines/cine/bg.cpp
blob: fc7010d95505f339c3fb838a158292d091129990 (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
/* ScummVM - Scumm Interpreter
 * Copyright (C) 2006 The ScummVM project
 *
 * cinE Engine is (C) 2004-2005 by CinE Team
 *
 * 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.
 *
 * $URL$
 * $Id$
 *
 */

#include "common/stdafx.h"
#include "common/endian.h"

#include "cine/cine.h"
#include "cine/various.h"

namespace Cine {

uint16 bgVar0;

void loadCtHigh(byte * currentPtr) {
	memcpy(page3Raw, currentPtr, 320 * 200);
}

byte loadCt(const char *ctName) {
	uint16 header[32];

	strcpy(currentCtName, ctName);

	byte *ptr = readBundleFile(findFileInBundle(ctName));

	if (gameType == Cine::GID_OS) {
		uint16 bpp = READ_BE_UINT16(ptr); ptr += 2;
		if (bpp == 8) {
			ptr += 3 * 256;
			loadCtHigh(ptr);
		} else {
			ptr += 32;
			gfxResetRawPage(page3Raw);
			gfxConvertSpriteToRaw(page3Raw, ptr, 160, 200);
		}
	} else {
		loadRelatedPalette(ctName);

		assert(strstr(ctName, ".NEO"));

		memcpy(header, ptr, 32); ptr += 32;

		for (int i = 0; i < 16; i++) {
			header[i] = TO_BE_16(header[i]);
		}

		gfxConvertSpriteToRaw(page3Raw, ptr + 0x80 - 0x22, 160, 200);
	}

	return 0;
}

void loadBgHigh(const char *currentPtr) {
	memcpy(palette256, currentPtr, 256 * 3);
	currentPtr += 256 * 3;

	memcpy(page2Raw, currentPtr, 320 * 200);

	colorMode256 = 1;
}

byte loadBg(const char *bgName) {
	strcpy(currentBgName[0], bgName);

	byte fileIdx = findFileInBundle(bgName);
	byte *ptr = readBundleFile(fileIdx);

	uint16 bpp = READ_BE_UINT16(ptr); ptr += 2;
	if (bpp == 8) {
		loadBgHigh((const char *)ptr);
	} else {
		colorMode256 = 0;

		memcpy(tempPalette, ptr, 32); ptr += 32;

		for (int i = 0; i < 16; i++) {
			tempPalette[i] = TO_BE_16(tempPalette[i]);
		}

		loadRelatedPalette(bgName);

		gfxResetRawPage(page2Raw);
		gfxConvertSpriteToRaw(page2Raw, ptr, 160, 200);
	}
	return 0;
}

byte *additionalBgTable[9] = { page2Raw, NULL, NULL, NULL, NULL, NULL, NULL, NULL, page3Raw };
byte currentAdditionalBgIdx = 0;
byte currentAdditionalBgIdx2 = 0;

void addBackground(const char *bgName, uint16 bgIdx) {
	strcpy(currentBgName[bgIdx], bgName);

	byte fileIdx = findFileInBundle(bgName);
	byte *ptr = readBundleFile(fileIdx);

	additionalBgTable[bgIdx] = (byte *) malloc(320 * 200);

	uint16 bpp = READ_BE_UINT16(ptr); ptr += 2;
	if (bpp == 8) {
		ptr += 3 * 256;
		memcpy(additionalBgTable[bgIdx], ptr, 320 * 200);
	} else {
		ptr += 32;
		gfxConvertSpriteToRaw(additionalBgTable[bgIdx], ptr, 160, 200);
	}
}

} // End of namespace Cine