1 /* ScummVM - Graphic Adventure Engine
2 *
3 * ScummVM is the legal property of its developers, whose names
4 * are too numerous to list here. Please refer to the COPYRIGHT
5 * file distributed with this source distribution.
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20 *
21 */
22
23 #include "bladerunner/movement_track.h"
24
25 #include "bladerunner/savefile.h"
26
27 namespace BladeRunner {
28
MovementTrack()29 MovementTrack::MovementTrack() {
30 reset();
31 }
32
~MovementTrack()33 MovementTrack::~MovementTrack() {
34 reset();
35 }
36
reset()37 void MovementTrack::reset() {
38 _currentIndex = -1;
39 _lastIndex = 0;
40 _hasNext = false;
41 _paused = false;
42 for (int i = 0; i < kSize; ++i) {
43 _entries[i].waypointId = -1;
44 _entries[i].delay = -1;
45 _entries[i].angle = -1;
46 _entries[i].run = false;
47 }
48 }
49
append(int waypointId,int32 delayMillis,bool run)50 int MovementTrack::append(int waypointId, int32 delayMillis, bool run) {
51 return append(waypointId, delayMillis, -1, run);
52 }
53
append(int waypointId,int32 delayMillis,int angle,bool run)54 int MovementTrack::append(int waypointId, int32 delayMillis, int angle, bool run) {
55 if (_lastIndex >= kSize) {
56 return 0;
57 }
58
59 _entries[_lastIndex].waypointId = waypointId;
60 _entries[_lastIndex].delay = delayMillis;
61 _entries[_lastIndex].angle = angle;
62 _entries[_lastIndex].run = run;
63
64 ++_lastIndex;
65 _hasNext = true;
66 _currentIndex = 0;
67 return 1;
68 }
69
flush()70 void MovementTrack::flush() {
71 reset();
72 }
73
repeat()74 void MovementTrack::repeat() {
75 _currentIndex = 0;
76 _hasNext = true;
77 }
78
pause()79 void MovementTrack::pause() {
80 _paused = true;
81 }
82
unpause()83 void MovementTrack::unpause() {
84 _paused = false;
85 }
86
isPaused() const87 bool MovementTrack::isPaused() const {
88 return _paused;
89 }
90
hasNext() const91 bool MovementTrack::hasNext() const {
92 return _hasNext;
93 }
94
next(int * waypointId,int32 * delayMillis,int * angle,bool * run)95 bool MovementTrack::next(int *waypointId, int32 *delayMillis, int *angle, bool *run) {
96 if (_currentIndex < _lastIndex && _hasNext) {
97 *waypointId = _entries[_currentIndex].waypointId;
98 *delayMillis = _entries[_currentIndex].delay;
99 *angle = _entries[_currentIndex].angle;
100 *run = _entries[_currentIndex++].run;
101 return true;
102 } else {
103 *waypointId = -1;
104 *delayMillis = -1;
105 *angle = -1;
106 *run = false;
107 _hasNext = false;
108 return false;
109 }
110 }
111
save(SaveFileWriteStream & f)112 void MovementTrack::save(SaveFileWriteStream &f) {
113 f.writeInt(_currentIndex);
114 f.writeInt(_lastIndex);
115 f.writeBool(_hasNext);
116 f.writeBool(_paused);
117 for (int i = 0; i < kSize; ++i) {
118 Entry &e = _entries[i];
119 f.writeInt(e.waypointId);
120 f.writeInt(e.delay);
121 f.writeInt(e.angle);
122 f.writeBool(e.run);
123 }
124 }
125
load(SaveFileReadStream & f)126 void MovementTrack::load(SaveFileReadStream &f) {
127 _currentIndex = f.readInt();
128 _lastIndex = f.readInt();
129 _hasNext = f.readBool();
130 _paused = f.readBool();
131 for (int i = 0; i < kSize; ++i) {
132 Entry &e = _entries[i];
133 e.waypointId = f.readInt();
134 e.delay = f.readInt();
135 e.angle = f.readInt();
136 e.run = f.readBool();
137 }
138 }
139
140 } // End of namespace BladeRunner
141