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
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
|
/* 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.
*
* $URL$
* $Id$
*
*/
/*
* This code is based on Broken Sword 2.5 engine
*
* Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer
*
* Licensed under GNU GPL v2
*
*/
#include "sword25/gfx/animationresource.h"
#include "sword25/kernel/kernel.h"
#include "sword25/package/packagemanager.h"
#include "sword25/gfx/bitmapresource.h"
namespace Sword25 {
#define BS_LOG_PREFIX "ANIMATIONRESOURCE"
namespace {
const int DEFAULT_FPS = 10;
const int MIN_FPS = 1;
const int MAX_FPS = 200;
}
AnimationResource::AnimationResource(const Common::String &filename) :
Resource(filename, Resource::TYPE_ANIMATION),
Common::XMLParser(),
_valid(false) {
// Get a pointer to the package manager
_pPackage = Kernel::getInstance()->getPackage();
BS_ASSERT(_pPackage);
// Switch to the folder the specified Xml fiile is in
Common::String oldDirectory = _pPackage->getCurrentDirectory();
if (getFileName().contains('/')) {
Common::String dir = Common::String(getFileName().c_str(), strrchr(getFileName().c_str(), '/'));
_pPackage->changeDirectory(dir);
}
// Load the contents of the file
uint fileSize;
char *xmlData = _pPackage->getXmlFile(getFileName(), &fileSize);
if (!xmlData) {
BS_LOG_ERRORLN("Could not read \"%s\".", getFileName().c_str());
return;
}
// Parse the contents
if (!loadBuffer((const byte *)xmlData, fileSize))
return;
_valid = parse();
close();
free(xmlData);
// Switch back to the previous folder
_pPackage->changeDirectory(oldDirectory);
// Give an error message if there weren't any frames specified
if (_frames.empty()) {
BS_LOG_ERRORLN("\"%s\" does not have any frames.", getFileName().c_str());
return;
}
// Pre-cache all the frames
if (!precacheAllFrames()) {
BS_LOG_ERRORLN("Could not precache all frames of \"%s\".", getFileName().c_str());
return;
}
// Post processing to compute animation features
if (!computeFeatures()) {
BS_LOG_ERRORLN("Could not determine the features of \"%s\".", getFileName().c_str());
return;
}
_valid = true;
}
bool AnimationResource::parseBooleanKey(Common::String s, bool &result) {
s.toLowercase();
if (!strcmp(s.c_str(), "true"))
result = true;
else if (!strcmp(s.c_str(), "false"))
result = false;
else
return false;
return true;
}
bool AnimationResource::parserCallback_animation(ParserNode *node) {
if (!parseIntegerKey(node->values["fps"], 1, &_FPS) || (_FPS < MIN_FPS) || (_FPS > MAX_FPS)) {
return parserError("Illegal or missing fps attribute in <animation> tag in \"%s\". Assuming default (\"%d\").",
getFileName().c_str(), DEFAULT_FPS);
}
// Loop type value
const char *loopTypeString = node->values["type"].c_str();
if (strcmp(loopTypeString, "oneshot") == 0) {
_animationType = Animation::AT_ONESHOT;
} else if (strcmp(loopTypeString, "loop") == 0) {
_animationType = Animation::AT_LOOP;
} else if (strcmp(loopTypeString, "jojo") == 0) {
_animationType = Animation::AT_JOJO;
} else {
BS_LOG_WARNINGLN("Illegal type value (\"%s\") in <animation> tag in \"%s\". Assuming default (\"loop\").",
loopTypeString, getFileName().c_str());
_animationType = Animation::AT_LOOP;
}
// Calculate the milliseconds required per frame
// FIXME: Double check variable naming. Based on the constant, it may be microseconds
_millisPerFrame = 1000000 / _FPS;
return true;
}
bool AnimationResource::parserCallback_frame(ParserNode *node) {
Frame frame;
const char *fileString = node->values["file"].c_str();
if (!fileString) {
BS_LOG_ERRORLN("<frame> tag without file attribute occurred in \"%s\".", getFileName().c_str());
return false;
}
frame.fileName = _pPackage->getAbsolutePath(fileString);
if (frame.fileName.empty()) {
BS_LOG_ERRORLN("Could not create absolute path for file specified in <frame> tag in \"%s\": \"%s\".",
getFileName().c_str(), fileString);
return false;
}
const char *actionString = node->values["action"].c_str();
if (actionString)
frame.action = actionString;
const char *hotspotxString = node->values["hotspotx"].c_str();
const char *hotspotyString = node->values["hotspoty"].c_str();
if ((!hotspotxString && hotspotyString) ||
(hotspotxString && !hotspotyString))
BS_LOG_WARNINGLN("%s attribute occurred without %s attribute in <frame> tag in \"%s\". Assuming default (\"0\").",
hotspotxString ? "hotspotx" : "hotspoty",
!hotspotyString ? "hotspoty" : "hotspotx",
getFileName().c_str());
frame.hotspotX = 0;
if (hotspotxString && !parseIntegerKey(hotspotxString, 1, &frame.hotspotX))
BS_LOG_WARNINGLN("Illegal hotspotx value (\"%s\") in frame tag in \"%s\". Assuming default (\"%s\").",
hotspotxString, getFileName().c_str(), frame.hotspotX);
frame.hotspotY = 0;
if (hotspotyString && !parseIntegerKey(hotspotyString, 1, &frame.hotspotY))
BS_LOG_WARNINGLN("Illegal hotspoty value (\"%s\") in frame tag in \"%s\". Assuming default (\"%s\").",
hotspotyString, getFileName().c_str(), frame.hotspotY);
Common::String flipVString = node->values["flipv"];
if (!flipVString.empty()) {
if (!parseBooleanKey(flipVString, frame.flipV)) {
BS_LOG_WARNINGLN("Illegal flipv value (\"%s\") in <frame> tag in \"%s\". Assuming default (\"false\").",
flipVString.c_str(), getFileName().c_str());
frame.flipV = false;
}
} else
frame.flipV = false;
Common::String flipHString = node->values["fliph"];
if (!flipHString.empty()) {
if (!parseBooleanKey(flipVString, frame.flipV)) {
BS_LOG_WARNINGLN("Illegal fliph value (\"%s\") in <frame> tag in \"%s\". Assuming default (\"false\").",
flipHString.c_str(), getFileName().c_str());
frame.flipH = false;
}
} else
frame.flipH = false;
_frames.push_back(frame);
return true;
}
AnimationResource::~AnimationResource() {
}
bool AnimationResource::precacheAllFrames() const {
Common::Array<Frame>::const_iterator iter = _frames.begin();
for (; iter != _frames.end(); ++iter) {
if (!Kernel::getInstance()->getResourceManager()->precacheResource((*iter).fileName)) {
BS_LOG_ERRORLN("Could not precache \"%s\".", (*iter).fileName.c_str());
return false;
}
}
return true;
}
bool AnimationResource::computeFeatures() {
BS_ASSERT(_frames.size());
// Alle Features werden als vorhanden angenommen
_scalingAllowed = true;
_alphaAllowed = true;
_colorModulationAllowed = true;
// Alle Frame durchgehen und alle Features deaktivieren, die auch nur von einem Frame nicht unterst�tzt werden.
Common::Array<Frame>::const_iterator iter = _frames.begin();
for (; iter != _frames.end(); ++iter) {
BitmapResource *pBitmap;
if (!(pBitmap = static_cast<BitmapResource *>(Kernel::getInstance()->getResourceManager()->requestResource((*iter).fileName)))) {
BS_LOG_ERRORLN("Could not request \"%s\".", (*iter).fileName.c_str());
return false;
}
if (!pBitmap->isScalingAllowed())
_scalingAllowed = false;
if (!pBitmap->isAlphaAllowed())
_alphaAllowed = false;
if (!pBitmap->isColorModulationAllowed())
_colorModulationAllowed = false;
pBitmap->release();
}
return true;
}
} // End of namespace Sword25
|
