| 1 | /**************************************************************************** | 
| 2 | ** | 
| 3 | ** Copyright (C) 2016 Klaralvdalens Datakonsult AB (KDAB). | 
| 4 | ** Contact: https://www.qt.io/licensing/ | 
| 5 | ** | 
| 6 | ** This file is part of the Qt3D module of the Qt Toolkit. | 
| 7 | ** | 
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| 25 | ** GNU General Public License Usage | 
| 26 | ** Alternatively, this file may be used under the terms of the GNU | 
| 27 | ** General Public License version 2.0 or (at your option) the GNU General | 
| 28 | ** Public license version 3 or any later version approved by the KDE Free | 
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| 36 | ** $QT_END_LICENSE$ | 
| 37 | ** | 
| 38 | ****************************************************************************/ | 
| 39 |  | 
| 40 | #include "qabstractclipanimator.h" | 
| 41 | #include "qabstractclipanimator_p.h" | 
| 42 | #include <Qt3DAnimation/qchannelmapper.h> | 
| 43 | #include <Qt3DAnimation/qclock.h> | 
| 44 |  | 
| 45 | QT_BEGIN_NAMESPACE | 
| 46 |  | 
| 47 | namespace Qt3DAnimation { | 
| 48 |  | 
| 49 | QAbstractClipAnimatorPrivate::QAbstractClipAnimatorPrivate() | 
| 50 |     : Qt3DCore::QComponentPrivate() | 
| 51 |     , m_mapper(nullptr) | 
| 52 |     , m_clock(nullptr) | 
| 53 |     , m_running(false) | 
| 54 |     , m_loops(1) | 
| 55 |     , m_normalizedTime(0.0f) | 
| 56 | { | 
| 57 | } | 
| 58 |  | 
| 59 | bool QAbstractClipAnimatorPrivate::canPlay() const | 
| 60 | { | 
| 61 |     return true; | 
| 62 | } | 
| 63 |  | 
| 64 | /*! | 
| 65 |     \qmltype AbstractClipAnimator | 
| 66 |     \instantiates Qt3DAnimation::QAbstractClipAnimator | 
| 67 |     \inqmlmodule Qt3D.Animation | 
| 68 |     \since 5.9 | 
| 69 |  | 
| 70 |     \brief AbstractClipAnimator is the base class for types providing animation playback | 
| 71 |     capabilities. | 
| 72 |  | 
| 73 |     Subclasses of AbstractClipAnimator can be aggregated by an Entity to | 
| 74 |     provide animation capabilities. The animator components provide an | 
| 75 |     interface for controlling the animation (e.g. start, stop). Each animator | 
| 76 |     type requires some form of animation data such as an AbstractAnimationClip | 
| 77 |     as well as a ChannelMapper which describes how the channels in the | 
| 78 |     animation clip should be mapped onto the properties of the objects you wish | 
| 79 |     to animate. | 
| 80 |  | 
| 81 |     The following subclasses are available: | 
| 82 |  | 
| 83 |     \list | 
| 84 |     \li Qt3D.Animation.ClipAnimator | 
| 85 |     \li Qt3D.Animation.BlendedClipAnimator | 
| 86 |     \endlist | 
| 87 | */ | 
| 88 |  | 
| 89 | /*! | 
| 90 |     \class Qt3DAnimation::QAbstractClipAnimator | 
| 91 |     \inherits Qt3DCore::QComponent | 
| 92 |  | 
| 93 |     \inmodule Qt3DAnimation | 
| 94 |     \since 5.9 | 
| 95 |  | 
| 96 |     \brief QAbstractClipAnimator is the base class for types providing animation playback | 
| 97 |     capabilities. | 
| 98 |  | 
| 99 |     Subclasses of QAbstractClipAnimator can be aggregated by a QEntity to | 
| 100 |     provide animation capabilities. The animator components provide an | 
| 101 |     interface for controlling the animation (e.g. start, stop). Each animator | 
| 102 |     type requires some form of animation data such as a QAbstractAnimationClip | 
| 103 |     as well as a QChannelMapper which describes how the channels in the | 
| 104 |     animation clip should be mapped onto the properties of the objects you wish | 
| 105 |     to animate. | 
| 106 |  | 
| 107 |     The following subclasses are available: | 
| 108 |  | 
| 109 |     \list | 
| 110 |     \li Qt3DAnimation::QClipAnimator | 
| 111 |     \li Qt3DAnimation::QBlendedClipAnimator | 
| 112 |     \endlist | 
| 113 | */ | 
| 114 |  | 
| 115 | QAbstractClipAnimator::QAbstractClipAnimator(Qt3DCore::QNode *parent) | 
| 116 |     : Qt3DCore::QComponent(*new QAbstractClipAnimatorPrivate, parent) | 
| 117 | { | 
| 118 | } | 
| 119 |  | 
| 120 | QAbstractClipAnimator::QAbstractClipAnimator(QAbstractClipAnimatorPrivate &dd, Qt3DCore::QNode *parent) | 
| 121 |     : Qt3DCore::QComponent(dd, parent) | 
| 122 | { | 
| 123 | } | 
| 124 |  | 
| 125 | // TODO Unused remove in Qt6 | 
| 126 | void QAbstractClipAnimator::sceneChangeEvent(const Qt3DCore::QSceneChangePtr &) | 
| 127 | { | 
| 128 | } | 
| 129 |  | 
| 130 | QAbstractClipAnimator::~QAbstractClipAnimator() | 
| 131 | { | 
| 132 | } | 
| 133 | /*! | 
| 134 |     \qmlproperty bool Qt3DAnimation::AbstractClipAnimator::running | 
| 135 |  | 
| 136 |     This property holds a boolean indicating whether the animation is currently running. | 
| 137 | */ | 
| 138 |  | 
| 139 | /*! | 
| 140 |     \property Qt3DAnimation::QAbstractClipAnimator::running | 
| 141 |  | 
| 142 |     This property holds a boolean indicating whether the animation is currently running. | 
| 143 | */ | 
| 144 |  | 
| 145 | /*! | 
| 146 |     Returns a boolean indicating whether the animation is currently running. | 
| 147 | */ | 
| 148 | bool QAbstractClipAnimator::isRunning() const | 
| 149 | { | 
| 150 |     Q_D(const QAbstractClipAnimator); | 
| 151 |     return d->m_running; | 
| 152 | } | 
| 153 |  | 
| 154 | /*! | 
| 155 |     \qmlproperty ChannelMapper Qt3DAnimation::AbstractClipAnimator::channelMapper | 
| 156 |  | 
| 157 |     This property holds the ChannelMapper that controls how the channels in | 
| 158 |     the animation clip map onto the properties of the target objects. | 
| 159 | */ | 
| 160 |  | 
| 161 | /*! | 
| 162 |     \property Qt3DAnimation::QAbstractClipAnimator::channelMapper | 
| 163 |  | 
| 164 |     This property holds the ChannelMapper that controls how the channels in | 
| 165 |     the animation clip map onto the properties of the target objects. | 
| 166 | */ | 
| 167 |  | 
| 168 | QChannelMapper *QAbstractClipAnimator::channelMapper() const | 
| 169 | { | 
| 170 |     Q_D(const QAbstractClipAnimator); | 
| 171 |     return d->m_mapper; | 
| 172 | } | 
| 173 |  | 
| 174 | /*! | 
| 175 |     \qmlproperty int Qt3DAnimation::AbstractClipAnimator::loops | 
| 176 |  | 
| 177 |     This property holds the number of times the animation should play. | 
| 178 |  | 
| 179 |     By default, loops is 1: the animation will play through once and then stop. | 
| 180 |  | 
| 181 |     If set to QAbstractClipAnimator::Infinite, the animation will continuously | 
| 182 |     repeat until it is explicitly stopped. | 
| 183 | */ | 
| 184 | /*! | 
| 185 |     \enum QAbstractClipAnimator::Loops | 
| 186 |  | 
| 187 |     Holds the number of times the animation should play. | 
| 188 |  | 
| 189 |     \value Infinite | 
| 190 |          This will repeat the loop continuously until it is explicitly | 
| 191 |          stopped. | 
| 192 |  | 
| 193 | */ | 
| 194 | /*! | 
| 195 |     \property Qt3DAnimation::QAbstractClipAnimator::loops | 
| 196 |  | 
| 197 |     Holds the number of times the animation should play. | 
| 198 |  | 
| 199 |     The value is 1 by default: the animation will be played once and then stop. | 
| 200 |  | 
| 201 |     If set to QAbstractClipAnimator::Infinite, the animation will continuously | 
| 202 |     repeat until it is explicitly stopped. | 
| 203 | */ | 
| 204 |  | 
| 205 | /*! | 
| 206 |     Returns the number of times the animation should play. | 
| 207 |  | 
| 208 |     The value is 1 by default: the animation will play through once and then stop. | 
| 209 |  | 
| 210 |     If set to QAbstractClipAnimator::Infinite, the animation will continuously | 
| 211 |     repeat until it is explicitly stopped. | 
| 212 | */ | 
| 213 | int QAbstractClipAnimator::loopCount() const | 
| 214 | { | 
| 215 |     Q_D(const QAbstractClipAnimator); | 
| 216 |     return d->m_loops; | 
| 217 | } | 
| 218 | /*! | 
| 219 |     \qmlproperty Clock Qt3DAnimation::AbstractClipAnimator::clock | 
| 220 |  | 
| 221 |     The clock controls the speed with which an animation is played. | 
| 222 | */ | 
| 223 |  | 
| 224 | /*! | 
| 225 |     \property Qt3DAnimation::QAbstractClipAnimator::clock | 
| 226 |  | 
| 227 |     The clock controls the speed with which an animation is played. | 
| 228 | */ | 
| 229 | QClock *QAbstractClipAnimator::clock() const | 
| 230 | { | 
| 231 |     Q_D(const QAbstractClipAnimator); | 
| 232 |     return d->m_clock; | 
| 233 | } | 
| 234 | /*! | 
| 235 |     \qmlproperty real Qt3DAnimation::AbstractClipAnimator::normalizedTime | 
| 236 |  | 
| 237 |     This property holds the clips normalized time. | 
| 238 | */ | 
| 239 | /*! | 
| 240 |     \property Qt3DAnimation::QAbstractClipAnimator::normalizedTime | 
| 241 |  | 
| 242 |     This property holds the clips normalized time. | 
| 243 | */ | 
| 244 | float QAbstractClipAnimator::normalizedTime() const | 
| 245 | { | 
| 246 |     Q_D(const QAbstractClipAnimator); | 
| 247 |     return d->m_normalizedTime; | 
| 248 | } | 
| 249 |  | 
| 250 | void QAbstractClipAnimator::setRunning(bool running) | 
| 251 | { | 
| 252 |     Q_D(QAbstractClipAnimator); | 
| 253 |     if (d->m_running == running) | 
| 254 |         return; | 
| 255 |  | 
| 256 |     if (running && !d->canPlay()) | 
| 257 |         return; | 
| 258 |  | 
| 259 |     d->m_running = running; | 
| 260 |     emit runningChanged(running); | 
| 261 | } | 
| 262 |  | 
| 263 | void QAbstractClipAnimator::setChannelMapper(QChannelMapper *mapping) | 
| 264 | { | 
| 265 |     Q_D(QAbstractClipAnimator); | 
| 266 |     if (d->m_mapper == mapping) | 
| 267 |         return; | 
| 268 |  | 
| 269 |     if (d->m_mapper) | 
| 270 |         d->unregisterDestructionHelper(node: d->m_mapper); | 
| 271 |  | 
| 272 |     if (mapping && !mapping->parent()) | 
| 273 |         mapping->setParent(this); | 
| 274 |     d->m_mapper = mapping; | 
| 275 |  | 
| 276 |     // Ensures proper bookkeeping | 
| 277 |     if (d->m_mapper) | 
| 278 |         d->registerDestructionHelper(node: d->m_mapper, func: &QAbstractClipAnimator::setChannelMapper, d->m_mapper); | 
| 279 |     emit channelMapperChanged(channelMapper: mapping); | 
| 280 | } | 
| 281 |  | 
| 282 | void QAbstractClipAnimator::setLoopCount(int loops) | 
| 283 | { | 
| 284 |     Q_D(QAbstractClipAnimator); | 
| 285 |     if (d->m_loops == loops) | 
| 286 |         return; | 
| 287 |  | 
| 288 |     d->m_loops = loops; | 
| 289 |     emit loopCountChanged(loops); | 
| 290 | } | 
| 291 |  | 
| 292 | void QAbstractClipAnimator::setClock(QClock *clock) | 
| 293 | { | 
| 294 |     Q_D(QAbstractClipAnimator); | 
| 295 |     if (d->m_clock == clock) | 
| 296 |         return; | 
| 297 |  | 
| 298 |     if (d->m_clock) | 
| 299 |         d->unregisterDestructionHelper(node: d->m_clock); | 
| 300 |  | 
| 301 |     if (clock && !clock->parent()) | 
| 302 |         clock->setParent(this); | 
| 303 |     d->m_clock = clock; | 
| 304 |  | 
| 305 |     if (d->m_clock) | 
| 306 |         d->registerDestructionHelper(node: d->m_clock, func: &QAbstractClipAnimator::setClock, d->m_clock); | 
| 307 |     emit clockChanged(clock); | 
| 308 | } | 
| 309 |  | 
| 310 | void QAbstractClipAnimator::setNormalizedTime(float timeFraction) | 
| 311 | { | 
| 312 |     Q_D(QAbstractClipAnimator); | 
| 313 |     const bool validTime = !(timeFraction < 0.0f) && !(timeFraction > 1.0f); | 
| 314 |     if (!validTime) { | 
| 315 |         qWarning(msg: "Time value %f is not valid, needs to be in the range 0.0 to 1.0" , timeFraction); | 
| 316 |         return; | 
| 317 |     } | 
| 318 |  | 
| 319 |     if (qFuzzyCompare(p1: d->m_normalizedTime, p2: timeFraction)) | 
| 320 |         return; | 
| 321 |  | 
| 322 |     d->m_normalizedTime = timeFraction; | 
| 323 |     emit normalizedTimeChanged(index: timeFraction); | 
| 324 | } | 
| 325 |  | 
| 326 | /*! | 
| 327 |     Starts the animation. | 
| 328 | */ | 
| 329 | void QAbstractClipAnimator::start() | 
| 330 | { | 
| 331 |     setRunning(true); | 
| 332 | } | 
| 333 |  | 
| 334 | /*! | 
| 335 |     Stops the animation. | 
| 336 | */ | 
| 337 | void QAbstractClipAnimator::stop() | 
| 338 | { | 
| 339 |     setRunning(false); | 
| 340 | } | 
| 341 |  | 
| 342 | } // namespace Qt3DAnimation | 
| 343 |  | 
| 344 | QT_END_NAMESPACE | 
| 345 |  |