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Diffstat (limited to 'src/foundation/Qt3DSInvasiveSet.h')
| -rw-r--r-- | src/foundation/Qt3DSInvasiveSet.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/src/foundation/Qt3DSInvasiveSet.h b/src/foundation/Qt3DSInvasiveSet.h new file mode 100644 index 0000000..772a230 --- /dev/null +++ b/src/foundation/Qt3DSInvasiveSet.h @@ -0,0 +1,104 @@ +/**************************************************************************** +** +** Copyright (C) 2008-2012 NVIDIA Corporation. +** Copyright (C) 2017 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of Qt 3D Studio. +** +** $QT_BEGIN_LICENSE:GPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3 or (at your option) any later version +** approved by the KDE Free Qt Foundation. The licenses are as published by +** the Free Software Foundation and appearing in the file LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QT3DS_FOUNDATION_INVASIVE_SET_H +#define QT3DS_FOUNDATION_INVASIVE_SET_H +#include "foundation/Qt3DS.h" +#include "foundation/Qt3DSAllocator.h" +#include "foundation/Qt3DSAllocatorCallback.h" +#include "foundation/Qt3DSContainers.h" + +namespace qt3ds { +namespace foundation { + + template <typename TObjectType, typename TGetSetIndexOp, typename TSetSetIndexOp> + class InvasiveSet + { + nvvector<TObjectType *> mSet; + + InvasiveSet(const InvasiveSet &other); + InvasiveSet &operator=(const InvasiveSet &other); + + public: + InvasiveSet(NVAllocatorCallback &callback, const char *allocName) + : mSet(callback, allocName) + { + } + + bool insert(TObjectType &inObject) + { + QT3DSU32 currentIdx = TGetSetIndexOp()(inObject); + if (currentIdx == QT3DS_MAX_U32) { + TSetSetIndexOp()(inObject, mSet.size()); + mSet.push_back(&inObject); + return true; + } + return false; + } + + bool remove(TObjectType &inObject) + { + QT3DSU32 currentIdx = TGetSetIndexOp()(inObject); + if (currentIdx != QT3DS_MAX_U32) { + TObjectType *theEnd = mSet.back(); + TObjectType *theObj = &inObject; + if (theEnd != theObj) { + TSetSetIndexOp()(*theEnd, currentIdx); + mSet[currentIdx] = theEnd; + } + mSet.pop_back(); + TSetSetIndexOp()(inObject, QT3DS_MAX_U32); + return true; + } + return false; + } + + bool contains(TObjectType &inObject) { return TGetSetIndexOp()(inObject) != QT3DS_MAX_U32; } + + void clear() + { + for (QT3DSU32 idx = 0; idx < mSet.size(); ++idx) + TSetSetIndexOp()(*(mSet[idx]), QT3DS_MAX_U32); + mSet.clear(); + } + + TObjectType *operator[](QT3DSU32 idx) { return mSet[idx]; } + const TObjectType *operator[](QT3DSU32 idx) const { return mSet[idx]; } + QT3DSU32 size() const { return mSet.size(); } + TObjectType **begin() { return mSet.begin(); } + TObjectType **end() { return mSet.end(); } + const TObjectType **begin() const { return mSet.begin(); } + const TObjectType **end() const { return mSet.end(); } + const TObjectType *back() const { return mSet.back(); } + TObjectType *back() { return mSet.back(); } + }; +} +} +#endif
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