| 1 | //************************************ bs::framework - Copyright 2018 Marko Pintera **************************************// |
| 2 | //*********** Licensed under the MIT license. See LICENSE.md for full terms. This notice is not to be removed. ***********// |
| 3 | #include "Scene/BsSceneObject.h" |
| 4 | #include "Scene/BsComponent.h" |
| 5 | #include "Scene/BsSceneManager.h" |
| 6 | #include "Error/BsException.h" |
| 7 | #include "Debug/BsDebug.h" |
| 8 | #include "Private/RTTI/BsSceneObjectRTTI.h" |
| 9 | #include "Serialization/BsMemorySerializer.h" |
| 10 | #include "Scene/BsGameObjectManager.h" |
| 11 | #include "Scene/BsPrefabUtility.h" |
| 12 | #include "Math/BsMatrix3.h" |
| 13 | #include "BsCoreApplication.h" |
| 14 | |
| 15 | namespace bs |
| 16 | { |
| 17 | SceneObject::SceneObject(const String& name, UINT32 flags) |
| 18 | : GameObject(), mFlags(flags) |
| 19 | { |
| 20 | setName(name); |
| 21 | } |
| 22 | |
| 23 | SceneObject::~SceneObject() |
| 24 | { |
| 25 | if(!mThisHandle.isDestroyed()) |
| 26 | { |
| 27 | LOGWRN("Object is being deleted without being destroyed first? " + mName); |
| 28 | destroyInternal(mThisHandle, true); |
| 29 | } |
| 30 | } |
| 31 | |
| 32 | HSceneObject SceneObject::create(const String& name, UINT32 flags) |
| 33 | { |
| 34 | HSceneObject newObject = createInternal(name, flags); |
| 35 | |
| 36 | if (newObject->isInstantiated()) |
| 37 | gSceneManager().registerNewSO(newObject); |
| 38 | |
| 39 | return newObject; |
| 40 | } |
| 41 | |
| 42 | HSceneObject SceneObject::createInternal(const String& name, UINT32 flags) |
| 43 | { |
| 44 | SPtr<SceneObject> sceneObjectPtr = SPtr<SceneObject>(new (bs_alloc<SceneObject>()) SceneObject(name, flags), |
| 45 | &bs_delete<SceneObject>, StdAlloc<SceneObject>()); |
| 46 | sceneObjectPtr->mUUID = UUIDGenerator::generateRandom(); |
| 47 | |
| 48 | HSceneObject sceneObject = static_object_cast<SceneObject>( |
| 49 | GameObjectManager::instance().registerObject(sceneObjectPtr)); |
| 50 | sceneObject->mThisHandle = sceneObject; |
| 51 | |
| 52 | return sceneObject; |
| 53 | } |
| 54 | |
| 55 | HSceneObject SceneObject::createInternal(const SPtr<SceneObject>& soPtr) |
| 56 | { |
| 57 | HSceneObject sceneObject = static_object_cast<SceneObject>( |
| 58 | GameObjectManager::instance().registerObject(soPtr)); |
| 59 | sceneObject->mThisHandle = sceneObject; |
| 60 | |
| 61 | return sceneObject; |
| 62 | } |
| 63 | |
| 64 | void SceneObject::destroy(bool immediate) |
| 65 | { |
| 66 | // Parent is our owner, so when his reference to us is removed, delete might be called. |
| 67 | // So make sure this is the last thing we do. |
| 68 | if(mParent != nullptr) |
| 69 | { |
| 70 | if(!mParent.isDestroyed()) |
| 71 | mParent->removeChild(mThisHandle); |
| 72 | |
| 73 | mParent = nullptr; |
| 74 | } |
| 75 | |
| 76 | destroyInternal(mThisHandle, immediate); |
| 77 | } |
| 78 | |
| 79 | void SceneObject::destroyInternal(GameObjectHandleBase& handle, bool immediate) |
| 80 | { |
| 81 | if (immediate) |
| 82 | { |
| 83 | for (auto iter = mChildren.begin(); iter != mChildren.end(); ++iter) |
| 84 | (*iter)->destroyInternal(*iter, true); |
| 85 | |
| 86 | mChildren.clear(); |
| 87 | |
| 88 | // It's important to remove the elements from the array as soon as they're destroyed, as OnDestroy callbacks |
| 89 | // for components might query the SO's components, and we want to only return live ones |
| 90 | while (!mComponents.empty()) |
| 91 | { |
| 92 | HComponent component = mComponents.back(); |
| 93 | component->_setIsDestroyed(); |
| 94 | |
| 95 | if (isInstantiated()) |
| 96 | gSceneManager()._notifyComponentDestroyed(component, immediate); |
| 97 | |
| 98 | component->destroyInternal(component, true); |
| 99 | mComponents.erase(mComponents.end() - 1); |
| 100 | } |
| 101 | |
| 102 | GameObjectManager::instance().unregisterObject(handle); |
| 103 | } |
| 104 | else |
| 105 | GameObjectManager::instance().queueForDestroy(handle); |
| 106 | } |
| 107 | |
| 108 | void SceneObject::_setInstanceData(GameObjectInstanceDataPtr& other) |
| 109 | { |
| 110 | GameObject::_setInstanceData(other); |
| 111 | |
| 112 | // Instance data changed, so make sure to refresh the handles to reflect that |
| 113 | SPtr<SceneObject> thisPtr = mThisHandle.getInternalPtr(); |
| 114 | mThisHandle._setHandleData(thisPtr); |
| 115 | } |
| 116 | |
| 117 | UUID SceneObject::getPrefabLink(bool onlyDirect) const |
| 118 | { |
| 119 | const SceneObject* curObj = this; |
| 120 | |
| 121 | while (curObj != nullptr) |
| 122 | { |
| 123 | if (!curObj->mPrefabLinkUUID.empty()) |
| 124 | return curObj->mPrefabLinkUUID; |
| 125 | |
| 126 | if (curObj->mParent != nullptr && !onlyDirect) |
| 127 | curObj = curObj->mParent.get(); |
| 128 | else |
| 129 | curObj = nullptr; |
| 130 | } |
| 131 | |
| 132 | return UUID::EMPTY; |
| 133 | } |
| 134 | |
| 135 | HSceneObject SceneObject::getPrefabParent() const |
| 136 | { |
| 137 | HSceneObject curObj = mThisHandle; |
| 138 | |
| 139 | while (curObj != nullptr) |
| 140 | { |
| 141 | if (!curObj->mPrefabLinkUUID.empty()) |
| 142 | return curObj; |
| 143 | |
| 144 | if (curObj->mParent != nullptr) |
| 145 | curObj = curObj->mParent; |
| 146 | else |
| 147 | curObj = nullptr; |
| 148 | } |
| 149 | |
| 150 | return curObj; |
| 151 | } |
| 152 | |
| 153 | void SceneObject::breakPrefabLink() |
| 154 | { |
| 155 | SceneObject* rootObj = this; |
| 156 | |
| 157 | while (rootObj != nullptr) |
| 158 | { |
| 159 | if (!rootObj->mPrefabLinkUUID.empty()) |
| 160 | break; |
| 161 | |
| 162 | if (rootObj->mParent != nullptr) |
| 163 | rootObj = rootObj->mParent.get(); |
| 164 | else |
| 165 | rootObj = nullptr; |
| 166 | } |
| 167 | |
| 168 | if (rootObj != nullptr) |
| 169 | { |
| 170 | rootObj->mPrefabLinkUUID = UUID::EMPTY; |
| 171 | rootObj->mPrefabDiff = nullptr; |
| 172 | PrefabUtility::clearPrefabIds(rootObj->getHandle(), true, false); |
| 173 | } |
| 174 | } |
| 175 | |
| 176 | bool SceneObject::hasFlag(UINT32 flag) const |
| 177 | { |
| 178 | return (mFlags & flag) != 0; |
| 179 | } |
| 180 | |
| 181 | void SceneObject::_setFlags(UINT32 flags) |
| 182 | { |
| 183 | mFlags |= flags; |
| 184 | |
| 185 | for (auto& child : mChildren) |
| 186 | child->_setFlags(flags); |
| 187 | } |
| 188 | |
| 189 | void SceneObject::_unsetFlags(UINT32 flags) |
| 190 | { |
| 191 | mFlags &= ~flags; |
| 192 | |
| 193 | for (auto& child : mChildren) |
| 194 | child->_unsetFlags(flags); |
| 195 | } |
| 196 | |
| 197 | void SceneObject::_instantiate(bool prefabOnly) |
| 198 | { |
| 199 | std::function<void(SceneObject*)> instantiateRecursive = [&](SceneObject* obj) |
| 200 | { |
| 201 | obj->mFlags &= ~SOF_DontInstantiate; |
| 202 | |
| 203 | if (obj->mParent == nullptr) |
| 204 | gSceneManager().registerNewSO(obj->mThisHandle); |
| 205 | |
| 206 | for (auto& component : obj->mComponents) |
| 207 | component->_instantiate(); |
| 208 | |
| 209 | for (auto& child : obj->mChildren) |
| 210 | { |
| 211 | if(!prefabOnly || child->mPrefabLinkUUID.empty()) |
| 212 | instantiateRecursive(child.get()); |
| 213 | } |
| 214 | }; |
| 215 | |
| 216 | std::function<void(SceneObject*)> triggerEventsRecursive = [&](SceneObject* obj) |
| 217 | { |
| 218 | for (auto& component : obj->mComponents) |
| 219 | gSceneManager()._notifyComponentCreated(component, obj->getActive()); |
| 220 | |
| 221 | for (auto& child : obj->mChildren) |
| 222 | { |
| 223 | if (!prefabOnly || child->mPrefabLinkUUID.empty()) |
| 224 | triggerEventsRecursive(child.get()); |
| 225 | } |
| 226 | }; |
| 227 | |
| 228 | instantiateRecursive(this); |
| 229 | triggerEventsRecursive(this); |
| 230 | } |
| 231 | |
| 232 | /************************************************************************/ |
| 233 | /* Transform */ |
| 234 | /************************************************************************/ |
| 235 | |
| 236 | void SceneObject::setPosition(const Vector3& position) |
| 237 | { |
| 238 | if (mMobility == ObjectMobility::Movable) |
| 239 | { |
| 240 | mLocalTfrm.setPosition(position); |
| 241 | notifyTransformChanged(TCF_Transform); |
| 242 | } |
| 243 | } |
| 244 | |
| 245 | void SceneObject::setRotation(const Quaternion& rotation) |
| 246 | { |
| 247 | if (mMobility == ObjectMobility::Movable) |
| 248 | { |
| 249 | mLocalTfrm.setRotation(rotation); |
| 250 | notifyTransformChanged(TCF_Transform); |
| 251 | } |
| 252 | } |
| 253 | |
| 254 | void SceneObject::setScale(const Vector3& scale) |
| 255 | { |
| 256 | if (mMobility == ObjectMobility::Movable) |
| 257 | { |
| 258 | mLocalTfrm.setScale(scale); |
| 259 | notifyTransformChanged(TCF_Transform); |
| 260 | } |
| 261 | } |
| 262 | |
| 263 | void SceneObject::setWorldPosition(const Vector3& position) |
| 264 | { |
| 265 | if(mMobility != ObjectMobility::Movable) |
| 266 | return; |
| 267 | |
| 268 | if (mParent != nullptr) |
| 269 | mLocalTfrm.setWorldPosition(position, mParent->getTransform()); |
| 270 | else |
| 271 | mLocalTfrm.setPosition(position); |
| 272 | |
| 273 | notifyTransformChanged(TCF_Transform); |
| 274 | } |
| 275 | |
| 276 | void SceneObject::setWorldRotation(const Quaternion& rotation) |
| 277 | { |
| 278 | if (mMobility != ObjectMobility::Movable) |
| 279 | return; |
| 280 | |
| 281 | if (mParent != nullptr) |
| 282 | mLocalTfrm.setWorldRotation(rotation, mParent->getTransform()); |
| 283 | else |
| 284 | mLocalTfrm.setRotation(rotation); |
| 285 | |
| 286 | notifyTransformChanged(TCF_Transform); |
| 287 | } |
| 288 | |
| 289 | void SceneObject::setWorldScale(const Vector3& scale) |
| 290 | { |
| 291 | if (mMobility != ObjectMobility::Movable) |
| 292 | return; |
| 293 | |
| 294 | if (mParent != nullptr) |
| 295 | mLocalTfrm.setWorldScale(scale, mParent->getTransform()); |
| 296 | else |
| 297 | mLocalTfrm.setScale(scale); |
| 298 | |
| 299 | notifyTransformChanged(TCF_Transform); |
| 300 | } |
| 301 | |
| 302 | const Transform& SceneObject::getTransform() const |
| 303 | { |
| 304 | if (!isCachedWorldTfrmUpToDate()) |
| 305 | updateWorldTfrm(); |
| 306 | |
| 307 | return mWorldTfrm; |
| 308 | } |
| 309 | |
| 310 | void SceneObject::lookAt(const Vector3& location, const Vector3& up) |
| 311 | { |
| 312 | const Transform& worldTfrm = getTransform(); |
| 313 | |
| 314 | Vector3 forward = location - worldTfrm.getPosition(); |
| 315 | |
| 316 | Quaternion rotation = worldTfrm.getRotation(); |
| 317 | rotation.lookRotation(forward, up); |
| 318 | setWorldRotation(rotation); |
| 319 | } |
| 320 | |
| 321 | const Matrix4& SceneObject::getWorldMatrix() const |
| 322 | { |
| 323 | if (!isCachedWorldTfrmUpToDate()) |
| 324 | updateWorldTfrm(); |
| 325 | |
| 326 | return mCachedWorldTfrm; |
| 327 | } |
| 328 | |
| 329 | Matrix4 SceneObject::getInvWorldMatrix() const |
| 330 | { |
| 331 | if (!isCachedWorldTfrmUpToDate()) |
| 332 | updateWorldTfrm(); |
| 333 | |
| 334 | Matrix4 worldToLocal = mWorldTfrm.getInvMatrix(); |
| 335 | return worldToLocal; |
| 336 | } |
| 337 | |
| 338 | const Matrix4& SceneObject::getLocalMatrix() const |
| 339 | { |
| 340 | if (!isCachedLocalTfrmUpToDate()) |
| 341 | updateLocalTfrm(); |
| 342 | |
| 343 | return mCachedLocalTfrm; |
| 344 | } |
| 345 | |
| 346 | void SceneObject::move(const Vector3& vec) |
| 347 | { |
| 348 | if (mMobility == ObjectMobility::Movable) |
| 349 | { |
| 350 | mLocalTfrm.move(vec); |
| 351 | notifyTransformChanged(TCF_Transform); |
| 352 | } |
| 353 | } |
| 354 | |
| 355 | void SceneObject::moveRelative(const Vector3& vec) |
| 356 | { |
| 357 | if (mMobility == ObjectMobility::Movable) |
| 358 | { |
| 359 | mLocalTfrm.moveRelative(vec); |
| 360 | notifyTransformChanged(TCF_Transform); |
| 361 | } |
| 362 | } |
| 363 | |
| 364 | void SceneObject::rotate(const Vector3& axis, const Radian& angle) |
| 365 | { |
| 366 | if (mMobility == ObjectMobility::Movable) |
| 367 | { |
| 368 | mLocalTfrm.rotate(axis, angle); |
| 369 | notifyTransformChanged(TCF_Transform); |
| 370 | } |
| 371 | } |
| 372 | |
| 373 | void SceneObject::rotate(const Quaternion& q) |
| 374 | { |
| 375 | if (mMobility == ObjectMobility::Movable) |
| 376 | { |
| 377 | mLocalTfrm.rotate(q); |
| 378 | notifyTransformChanged(TCF_Transform); |
| 379 | } |
| 380 | } |
| 381 | |
| 382 | void SceneObject::roll(const Radian& angle) |
| 383 | { |
| 384 | if (mMobility == ObjectMobility::Movable) |
| 385 | { |
| 386 | mLocalTfrm.roll(angle); |
| 387 | notifyTransformChanged(TCF_Transform); |
| 388 | } |
| 389 | } |
| 390 | |
| 391 | void SceneObject::yaw(const Radian& angle) |
| 392 | { |
| 393 | if (mMobility == ObjectMobility::Movable) |
| 394 | { |
| 395 | mLocalTfrm.yaw(angle); |
| 396 | notifyTransformChanged(TCF_Transform); |
| 397 | } |
| 398 | } |
| 399 | |
| 400 | void SceneObject::pitch(const Radian& angle) |
| 401 | { |
| 402 | if (mMobility == ObjectMobility::Movable) |
| 403 | { |
| 404 | mLocalTfrm.pitch(angle); |
| 405 | notifyTransformChanged(TCF_Transform); |
| 406 | } |
| 407 | } |
| 408 | |
| 409 | void SceneObject::setForward(const Vector3& forwardDir) |
| 410 | { |
| 411 | const Transform& worldTfrm = getTransform(); |
| 412 | |
| 413 | Quaternion currentRotation = worldTfrm.getRotation(); |
| 414 | currentRotation.lookRotation(forwardDir); |
| 415 | setWorldRotation(currentRotation); |
| 416 | } |
| 417 | |
| 418 | void SceneObject::updateTransformsIfDirty() |
| 419 | { |
| 420 | if (!isCachedLocalTfrmUpToDate()) |
| 421 | updateLocalTfrm(); |
| 422 | |
| 423 | if (!isCachedWorldTfrmUpToDate()) |
| 424 | updateWorldTfrm(); |
| 425 | } |
| 426 | |
| 427 | void SceneObject::notifyTransformChanged(TransformChangedFlags flags) const |
| 428 | { |
| 429 | // If object is immovable, don't send transform changed events nor mark the transform dirty |
| 430 | TransformChangedFlags componentFlags = flags; |
| 431 | if (mMobility != ObjectMobility::Movable) |
| 432 | componentFlags = (TransformChangedFlags)(componentFlags & ~TCF_Transform); |
| 433 | else |
| 434 | { |
| 435 | mDirtyFlags |= DirtyFlags::LocalTfrmDirty | DirtyFlags::WorldTfrmDirty; |
| 436 | mDirtyHash++; |
| 437 | } |
| 438 | |
| 439 | // Only send component flags if we haven't removed them all |
| 440 | if (componentFlags != 0) |
| 441 | { |
| 442 | for (auto& entry : mComponents) |
| 443 | { |
| 444 | if (entry->supportsNotify(flags)) |
| 445 | { |
| 446 | bool alwaysRun = entry->hasFlag(ComponentFlag::AlwaysRun); |
| 447 | if (alwaysRun || gSceneManager().isRunning()) |
| 448 | entry->onTransformChanged(componentFlags); |
| 449 | } |
| 450 | } |
| 451 | } |
| 452 | |
| 453 | // Mobility flag is only relevant for this scene object |
| 454 | flags = (TransformChangedFlags)(flags & ~TCF_Mobility); |
| 455 | if (flags != 0) |
| 456 | { |
| 457 | for (auto& entry : mChildren) |
| 458 | entry->notifyTransformChanged(flags); |
| 459 | } |
| 460 | } |
| 461 | |
| 462 | void SceneObject::updateWorldTfrm() const |
| 463 | { |
| 464 | mWorldTfrm = mLocalTfrm; |
| 465 | |
| 466 | // Don't allow movement from parent when not movable |
| 467 | if (mParent != nullptr && mMobility == ObjectMobility::Movable) |
| 468 | { |
| 469 | mWorldTfrm.makeWorld(mParent->getTransform()); |
| 470 | |
| 471 | mCachedWorldTfrm = mWorldTfrm.getMatrix(); |
| 472 | } |
| 473 | else |
| 474 | { |
| 475 | mCachedWorldTfrm = getLocalMatrix(); |
| 476 | } |
| 477 | |
| 478 | mDirtyFlags &= ~DirtyFlags::WorldTfrmDirty; |
| 479 | } |
| 480 | |
| 481 | void SceneObject::updateLocalTfrm() const |
| 482 | { |
| 483 | mCachedLocalTfrm = mLocalTfrm.getMatrix(); |
| 484 | mDirtyFlags &= ~DirtyFlags::LocalTfrmDirty; |
| 485 | } |
| 486 | |
| 487 | /************************************************************************/ |
| 488 | /* Hierarchy */ |
| 489 | /************************************************************************/ |
| 490 | |
| 491 | void SceneObject::setParent(const HSceneObject& parent, bool keepWorldTransform) |
| 492 | { |
| 493 | if (parent.isDestroyed()) |
| 494 | return; |
| 495 | |
| 496 | #if BS_IS_BANSHEE3D |
| 497 | UUID originalPrefab = getPrefabLink(); |
| 498 | #endif |
| 499 | |
| 500 | if (mMobility != ObjectMobility::Movable) |
| 501 | keepWorldTransform = true; |
| 502 | |
| 503 | _setParent(parent, keepWorldTransform); |
| 504 | |
| 505 | #if BS_IS_BANSHEE3D |
| 506 | if (gCoreApplication().isEditor()) |
| 507 | { |
| 508 | UUID newPrefab = getPrefabLink(); |
| 509 | if (originalPrefab != newPrefab) |
| 510 | PrefabUtility::clearPrefabIds(mThisHandle); |
| 511 | } |
| 512 | #endif |
| 513 | } |
| 514 | |
| 515 | void SceneObject::_setParent(const HSceneObject& parent, bool keepWorldTransform) |
| 516 | { |
| 517 | if (mThisHandle == parent) |
| 518 | return; |
| 519 | |
| 520 | if (mParent == nullptr || mParent != parent) |
| 521 | { |
| 522 | Transform worldTfrm; |
| 523 | |
| 524 | // Make sure the object keeps its world coordinates |
| 525 | if (keepWorldTransform) |
| 526 | worldTfrm = getTransform(); |
| 527 | |
| 528 | if (mParent != nullptr) |
| 529 | mParent->removeChild(mThisHandle); |
| 530 | |
| 531 | if (parent != nullptr) |
| 532 | { |
| 533 | parent->addChild(mThisHandle); |
| 534 | setScene(parent->mParentScene); |
| 535 | } |
| 536 | else |
| 537 | setScene(nullptr); |
| 538 | |
| 539 | mParent = parent; |
| 540 | |
| 541 | if (keepWorldTransform) |
| 542 | { |
| 543 | mLocalTfrm = worldTfrm; |
| 544 | |
| 545 | if (mParent != nullptr) |
| 546 | mLocalTfrm.makeLocal(mParent->getTransform()); |
| 547 | } |
| 548 | |
| 549 | bool isInstantiated = (mFlags & SOF_DontInstantiate) == 0; |
| 550 | if(isInstantiated) |
| 551 | notifyTransformChanged((TransformChangedFlags)(TCF_Parent | TCF_Transform)); |
| 552 | } |
| 553 | } |
| 554 | |
| 555 | const SPtr<SceneInstance>& SceneObject::getScene() const |
| 556 | { |
| 557 | if(mParentScene) |
| 558 | return mParentScene; |
| 559 | |
| 560 | LOGWRN("Attempting to access a scene of a SceneObject with no scene, returning main scene instead." ); |
| 561 | return gSceneManager().getMainScene(); |
| 562 | |
| 563 | } |
| 564 | |
| 565 | void SceneObject::setScene(const SPtr<SceneInstance>& scene) |
| 566 | { |
| 567 | if(mParentScene == scene) |
| 568 | return; |
| 569 | |
| 570 | mParentScene = scene; |
| 571 | |
| 572 | for(auto& child : mChildren) |
| 573 | child->setScene(scene); |
| 574 | } |
| 575 | |
| 576 | HSceneObject SceneObject::getChild(UINT32 idx) const |
| 577 | { |
| 578 | if(idx >= mChildren.size()) |
| 579 | { |
| 580 | BS_EXCEPT(InternalErrorException, "Child index out of range." ); |
| 581 | } |
| 582 | |
| 583 | return mChildren[idx]; |
| 584 | } |
| 585 | |
| 586 | int SceneObject::indexOfChild(const HSceneObject& child) const |
| 587 | { |
| 588 | for(int i = 0; i < (int)mChildren.size(); i++) |
| 589 | { |
| 590 | if(mChildren[i] == child) |
| 591 | return i; |
| 592 | } |
| 593 | |
| 594 | return -1; |
| 595 | } |
| 596 | |
| 597 | void SceneObject::addChild(const HSceneObject& object) |
| 598 | { |
| 599 | mChildren.push_back(object); |
| 600 | |
| 601 | object->_setFlags(mFlags); |
| 602 | } |
| 603 | |
| 604 | void SceneObject::removeChild(const HSceneObject& object) |
| 605 | { |
| 606 | auto result = find(mChildren.begin(), mChildren.end(), object); |
| 607 | |
| 608 | if(result != mChildren.end()) |
| 609 | mChildren.erase(result); |
| 610 | else |
| 611 | { |
| 612 | BS_EXCEPT(InternalErrorException, |
| 613 | "Trying to remove a child but it's not a child of the transform." ); |
| 614 | } |
| 615 | } |
| 616 | |
| 617 | HSceneObject SceneObject::findPath(const String& path) const |
| 618 | { |
| 619 | if (path.empty()) |
| 620 | return HSceneObject(); |
| 621 | |
| 622 | String trimmedPath = path; |
| 623 | StringUtil::trim(trimmedPath, "/" ); |
| 624 | |
| 625 | Vector<String> entries = StringUtil::split(trimmedPath, "/" ); |
| 626 | |
| 627 | // Find scene object referenced by the path |
| 628 | HSceneObject so = getHandle(); |
| 629 | UINT32 pathIdx = 0; |
| 630 | for (; pathIdx < (UINT32)entries.size(); pathIdx++) |
| 631 | { |
| 632 | String entry = entries[pathIdx]; |
| 633 | |
| 634 | if (entry.empty()) |
| 635 | continue; |
| 636 | |
| 637 | // This character signifies not-a-scene-object. This is allowed to support |
| 638 | // paths used by the scripting system (which can point to properties of |
| 639 | // components on scene objects). |
| 640 | if (entry[0] != '!') |
| 641 | break; |
| 642 | |
| 643 | String childName = entry.substr(1, entry.size() - 1); |
| 644 | so = so->findChild(childName); |
| 645 | |
| 646 | if (so == nullptr) |
| 647 | break; |
| 648 | } |
| 649 | |
| 650 | return so; |
| 651 | } |
| 652 | |
| 653 | HSceneObject SceneObject::findChild(const String& name, bool recursive) |
| 654 | { |
| 655 | for (auto& child : mChildren) |
| 656 | { |
| 657 | if (child->getName() == name) |
| 658 | return child; |
| 659 | } |
| 660 | |
| 661 | if (recursive) |
| 662 | { |
| 663 | for (auto& child : mChildren) |
| 664 | { |
| 665 | HSceneObject foundObject = child->findChild(name, true); |
| 666 | if (foundObject != nullptr) |
| 667 | return foundObject; |
| 668 | } |
| 669 | } |
| 670 | |
| 671 | return HSceneObject(); |
| 672 | } |
| 673 | |
| 674 | Vector<HSceneObject> SceneObject::findChildren(const String& name, bool recursive) |
| 675 | { |
| 676 | std::function<void(const HSceneObject&, Vector<HSceneObject>&)> findChildrenInternal = |
| 677 | [&](const HSceneObject& so, Vector<HSceneObject>& output) |
| 678 | { |
| 679 | for (auto& child : so->mChildren) |
| 680 | { |
| 681 | if (child->getName() == name) |
| 682 | output.push_back(child); |
| 683 | } |
| 684 | |
| 685 | if (recursive) |
| 686 | { |
| 687 | for (auto& child : so->mChildren) |
| 688 | findChildrenInternal(child, output); |
| 689 | } |
| 690 | }; |
| 691 | |
| 692 | Vector<HSceneObject> output; |
| 693 | findChildrenInternal(mThisHandle, output); |
| 694 | |
| 695 | return output; |
| 696 | } |
| 697 | |
| 698 | void SceneObject::setActive(bool active) |
| 699 | { |
| 700 | mActiveSelf = active; |
| 701 | setActiveHierarchy(active); |
| 702 | } |
| 703 | |
| 704 | void SceneObject::setActiveHierarchy(bool active, bool triggerEvents) |
| 705 | { |
| 706 | bool activeHierarchy = active && mActiveSelf; |
| 707 | |
| 708 | if (mActiveHierarchy != activeHierarchy) |
| 709 | { |
| 710 | mActiveHierarchy = activeHierarchy; |
| 711 | |
| 712 | if (triggerEvents) |
| 713 | { |
| 714 | if (activeHierarchy) |
| 715 | { |
| 716 | for (auto& component : mComponents) |
| 717 | gSceneManager()._notifyComponentActivated(component, triggerEvents); |
| 718 | } |
| 719 | else |
| 720 | { |
| 721 | for (auto& component : mComponents) |
| 722 | gSceneManager()._notifyComponentDeactivated(component, triggerEvents); |
| 723 | } |
| 724 | } |
| 725 | } |
| 726 | |
| 727 | for (auto child : mChildren) |
| 728 | { |
| 729 | child->setActiveHierarchy(mActiveHierarchy, triggerEvents); |
| 730 | } |
| 731 | } |
| 732 | |
| 733 | bool SceneObject::getActive(bool self) const |
| 734 | { |
| 735 | if (self) |
| 736 | return mActiveSelf; |
| 737 | else |
| 738 | return mActiveHierarchy; |
| 739 | } |
| 740 | |
| 741 | void SceneObject::setMobility(ObjectMobility mobility) |
| 742 | { |
| 743 | if(mMobility != mobility) |
| 744 | { |
| 745 | mMobility = mobility; |
| 746 | |
| 747 | // If mobility changed to movable, update both the mobility flag and transform, otherwise just mobility |
| 748 | if (mMobility == ObjectMobility::Movable) |
| 749 | notifyTransformChanged((TransformChangedFlags)(TCF_Transform | TCF_Mobility)); |
| 750 | else |
| 751 | notifyTransformChanged(TCF_Mobility); |
| 752 | } |
| 753 | } |
| 754 | |
| 755 | HSceneObject SceneObject::clone(bool instantiate, bool preserveUUIDs) |
| 756 | { |
| 757 | const bool isInstantiated = !hasFlag(SOF_DontInstantiate); |
| 758 | |
| 759 | if (!instantiate) |
| 760 | _setFlags(SOF_DontInstantiate); |
| 761 | else |
| 762 | _unsetFlags(SOF_DontInstantiate); |
| 763 | |
| 764 | UINT32 bufferSize = 0; |
| 765 | |
| 766 | MemorySerializer serializer; |
| 767 | UINT8* buffer = serializer.encode(this, bufferSize, (void*(*)(size_t))&bs_alloc); |
| 768 | |
| 769 | int flags = GODM_RestoreExternal | GODM_UseNewIds; |
| 770 | if(!preserveUUIDs) |
| 771 | flags |= GODM_UseNewUUID; |
| 772 | |
| 773 | CoreSerializationContext serzContext; |
| 774 | serzContext.goState = bs_shared_ptr_new<GameObjectDeserializationState>(flags); |
| 775 | |
| 776 | SPtr<SceneObject> cloneObj = std::static_pointer_cast<SceneObject>( |
| 777 | serializer.decode(buffer, bufferSize, &serzContext)); |
| 778 | bs_free(buffer); |
| 779 | |
| 780 | if(isInstantiated) |
| 781 | _unsetFlags(SOF_DontInstantiate); |
| 782 | else |
| 783 | _setFlags(SOF_DontInstantiate); |
| 784 | |
| 785 | return cloneObj->mThisHandle; |
| 786 | } |
| 787 | |
| 788 | HComponent SceneObject::getComponent(RTTITypeBase* type) const |
| 789 | { |
| 790 | if(type != Component::getRTTIStatic()) |
| 791 | { |
| 792 | for (auto& entry : mComponents) |
| 793 | { |
| 794 | if (entry->getRTTI()->isDerivedFrom(type)) |
| 795 | return entry; |
| 796 | } |
| 797 | } |
| 798 | |
| 799 | return HComponent(); |
| 800 | } |
| 801 | |
| 802 | void SceneObject::destroyComponent(const HComponent component, bool immediate) |
| 803 | { |
| 804 | if(component == nullptr) |
| 805 | { |
| 806 | LOGDBG("Trying to remove a null component" ); |
| 807 | return; |
| 808 | } |
| 809 | |
| 810 | auto iter = std::find(mComponents.begin(), mComponents.end(), component); |
| 811 | |
| 812 | if(iter != mComponents.end()) |
| 813 | { |
| 814 | (*iter)->_setIsDestroyed(); |
| 815 | |
| 816 | if (isInstantiated()) |
| 817 | gSceneManager()._notifyComponentDestroyed(*iter, immediate); |
| 818 | |
| 819 | (*iter)->destroyInternal(*iter, immediate); |
| 820 | mComponents.erase(iter); |
| 821 | } |
| 822 | else |
| 823 | LOGDBG("Trying to remove a component that doesn't exist on this SceneObject." ); |
| 824 | } |
| 825 | |
| 826 | void SceneObject::destroyComponent(Component* component, bool immediate) |
| 827 | { |
| 828 | auto iterFind = std::find_if(mComponents.begin(), mComponents.end(), |
| 829 | [component](const HComponent& x) |
| 830 | { |
| 831 | if(x.isDestroyed()) |
| 832 | return false; |
| 833 | |
| 834 | return x._getHandleData()->mPtr->object.get() == component; } |
| 835 | ); |
| 836 | |
| 837 | if(iterFind != mComponents.end()) |
| 838 | { |
| 839 | destroyComponent(*iterFind, immediate); |
| 840 | } |
| 841 | } |
| 842 | |
| 843 | HComponent SceneObject::addComponent(UINT32 typeId) |
| 844 | { |
| 845 | SPtr<IReflectable> newObj = rtti_create(typeId); |
| 846 | |
| 847 | if(!rtti_is_subclass<Component>(newObj.get())) |
| 848 | { |
| 849 | LOGERR("Specified type is not a valid Component." ); |
| 850 | return HComponent(); |
| 851 | } |
| 852 | |
| 853 | SPtr<Component> componentPtr = std::static_pointer_cast<Component>(newObj); |
| 854 | |
| 855 | // Clean up the self-reference assigned by the RTTI system |
| 856 | componentPtr->mRTTIData = nullptr; |
| 857 | |
| 858 | HComponent newComponent = static_object_cast<Component>(GameObjectManager::instance().registerObject(componentPtr)); |
| 859 | newComponent->mParent = mThisHandle; |
| 860 | |
| 861 | addAndInitializeComponent(newComponent); |
| 862 | return newComponent; |
| 863 | } |
| 864 | |
| 865 | void SceneObject::addComponentInternal(const SPtr<Component>& component) |
| 866 | { |
| 867 | HComponent newComponent = static_object_cast<Component>( |
| 868 | GameObjectManager::instance().getObject(component->getInstanceId())); |
| 869 | newComponent->mParent = mThisHandle; |
| 870 | newComponent->mThisHandle = newComponent; |
| 871 | |
| 872 | mComponents.push_back(newComponent); |
| 873 | } |
| 874 | |
| 875 | void SceneObject::addAndInitializeComponent(const HComponent& component) |
| 876 | { |
| 877 | component->mThisHandle = component; |
| 878 | |
| 879 | if(component->mUUID.empty()) |
| 880 | component->mUUID = UUIDGenerator::generateRandom(); |
| 881 | |
| 882 | mComponents.push_back(component); |
| 883 | |
| 884 | if (isInstantiated()) |
| 885 | { |
| 886 | component->_instantiate(); |
| 887 | |
| 888 | gSceneManager()._notifyComponentCreated(component, getActive()); |
| 889 | } |
| 890 | } |
| 891 | |
| 892 | void SceneObject::addAndInitializeComponent(const SPtr<Component>& component) |
| 893 | { |
| 894 | HComponent newComponent = static_object_cast<Component>( |
| 895 | GameObjectManager::instance().getObject(component->getInstanceId())); |
| 896 | newComponent->mParent = mThisHandle; |
| 897 | |
| 898 | addAndInitializeComponent(newComponent); |
| 899 | } |
| 900 | |
| 901 | RTTITypeBase* SceneObject::getRTTIStatic() |
| 902 | { |
| 903 | return SceneObjectRTTI::instance(); |
| 904 | } |
| 905 | |
| 906 | RTTITypeBase* SceneObject::getRTTI() const |
| 907 | { |
| 908 | return SceneObject::getRTTIStatic(); |
| 909 | } |
| 910 | } |
| 911 | |