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
|
/* 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.
*
* $URL$
* $Id$
*
*/
#include "common/endian.h"
#include "gob/gob.h"
#include "gob/scnplayer.h"
#include "gob/util.h"
#include "gob/draw.h"
#include "gob/inter.h"
#include "gob/videoplayer.h"
namespace Gob {
SCNPlayer::SCNPlayer(GobEngine *vm) : _vm(vm) {
}
SCNPlayer::~SCNPlayer() {
}
inline bool SCNPlayer::lineStartsWith(const Common::String &line, const char *start) {
return (strstr(line.c_str(), start) == line.c_str());
}
bool SCNPlayer::play(const char *fileName) {
debugC(1, kDebugSCN, "Playing SCN \"%s\"", fileName);
// The video player needs some fake variables
_vm->_inter->allocateVars(32);
// Init the screen
_vm->_draw->initScreen();
_vm->_draw->_cursorIndex = -1;
_vm->_util->longDelay(200); // Letting everything settle
Common::File scn;
if (!scn.open(fileName))
return false;
return play(scn);
}
bool SCNPlayer::play(Common::File &scn) {
// Read labels
LabelMap labels;
if (!readLabels(scn, labels))
return false;
// Iterate over all lines
while (!scn.err() && !scn.eos()) {
Common::String line = scn.readLine();
// Interpret
if (line == "CLEAR") {
clearScreen();
} else if (lineStartsWith(line, "IMD_PRELOAD ")) {
playVideo(line.c_str() + 12);
} else if (lineStartsWith(line, "IMD ")) {
playVideo(line.c_str() + 4);
} else if (lineStartsWith(line, "GOTO ")) {
gotoLabel(scn, labels, line.c_str() + 5);
}
// Mind user input
_vm->_util->processInput();
if (_vm->shouldQuit())
return true;
}
if (scn.err())
return false;
return true;
}
bool SCNPlayer::readLabels(Common::File &scn, LabelMap &labels) {
debugC(1, kDebugSCN, "Reading SCN labels");
int32 startPos = scn.pos();
// Iterate over all lines
while (!scn.err() && !scn.eos()) {
Common::String line = scn.readLine();
if (lineStartsWith(line, "LABEL ")) {
// Label => Add to the hashmap
labels.setVal(line.c_str() + 6, scn.pos());
debugC(2, kDebugSCN, "Found label \"%s\" (%d)", line.c_str() + 6, scn.pos());
}
}
if (scn.err())
return false;
// Seek back
if (!scn.seek(startPos))
return false;
return true;
}
void SCNPlayer::gotoLabel(Common::File &scn, const LabelMap &labels, const char *label) {
debugC(2, kDebugSCN, "Jumping to label \"%s\"", label);
if (!labels.contains(label))
return;
scn.seek(labels.getVal(label));
}
void SCNPlayer::clearScreen() {
debugC(1, kDebugSCN, "Clearing the screen");
_vm->_video->clearScreen();
}
void SCNPlayer::playVideo(const char *fileName) {
// Trimming spaces
while (*fileName == ' ')
fileName++;
debugC(1, kDebugSCN, "Playing video \"%s\"", fileName);
// Playing the video
if (_vm->_vidPlayer->primaryOpen(fileName)) {
_vm->_vidPlayer->primaryPlay();
_vm->_vidPlayer->primaryClose();
}
}
} // End of namespace Gob
|