mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
synced 2026-03-26 14:39:02 +08:00
7b0bf128ff
- Replace MixBlend/MixDirection with bool fromSetup/add/out in all timeline apply() signatures - Remove MixBlend.h and MixDirection.h (no longer used) - Add Timeline::_additive and _instant fields - Replace TrackEntry holdPrevious/interruptAlpha/mixBlend with additive/keepHold - Rewrite AnimationState hold system with bitmask (Subsequent/First/Hold/HoldFirst) - Rewrite applyMixingFrom alpha computation - Rename Skin::AttachmentMap::Entry::_name to _placeholderName - Fix SkeletonBinary::readLong() sign extension bug truncating 64-bit hashes - Fix SkeletonSerializer sequence and bones null/empty parity with Java - Add transition frame testing to HeadlessTest - Port all doc updates from spine-libgdx
114 lines
4.4 KiB
C++
114 lines
4.4 KiB
C++
/******************************************************************************
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* Spine Runtimes License Agreement
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* Last updated April 5, 2025. Replaces all prior versions.
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*
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* Copyright (c) 2013-2025, Esoteric Software LLC
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*
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* Integration of the Spine Runtimes into software or otherwise creating
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* derivative works of the Spine Runtimes is permitted under the terms and
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* conditions of Section 2 of the Spine Editor License Agreement:
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* http://esotericsoftware.com/spine-editor-license
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*
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* Otherwise, it is permitted to integrate the Spine Runtimes into software
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* or otherwise create derivative works of the Spine Runtimes (collectively,
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* "Products"), provided that each user of the Products must obtain their own
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* Spine Editor license and redistribution of the Products in any form must
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* include this license and copyright notice.
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*
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* THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
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* BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THE SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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#ifndef Spine_VertexAttachment_h
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#define Spine_VertexAttachment_h
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#include <spine/Attachment.h>
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#include <spine/Array.h>
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namespace spine {
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class Slot;
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class Skeleton;
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/// An attachment with vertices that are transformed by one or more bones and can be deformed by
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/// SlotPose::getDeform().
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class SP_API VertexAttachment : public Attachment {
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friend class SkeletonBinary;
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friend class SkeletonJson;
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friend class DeformTimeline;
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RTTI_DECL
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public:
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explicit VertexAttachment(const String &name);
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virtual ~VertexAttachment();
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/// Transforms the attachment's local vertices to world coordinates. If the SlotPose::getDeform() is not
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/// empty, it is used to deform the vertices.
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///
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/// See https://esotericsoftware.com/spine-runtime-skeletons#World-transforms World transforms in the Spine
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/// Runtimes Guide.
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/// @param start The index of the first vertices value to transform. Each vertex has 2 values, x and y.
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/// @param count The number of world vertex values to output. Must be <= WorldVerticesLength - start.
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/// @param worldVertices The output world vertices. Must have a length >= offset + count * stride / 2.
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/// @param offset The worldVertices index to begin writing values.
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/// @param stride The number of worldVertices entries between the value pairs written.
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virtual void computeWorldVertices(Skeleton &skeleton, Slot &slot, size_t start, size_t count, float *worldVertices, size_t offset,
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size_t stride = 2);
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virtual void computeWorldVertices(Skeleton &skeleton, Slot &slot, size_t start, size_t count, Array<float> &worldVertices, size_t offset,
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size_t stride = 2);
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/// Gets a unique ID for this attachment.
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int getId();
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/// The bones that affect the vertices. The entries are, for each vertex, the number of bones affecting the
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/// vertex followed by that many bone indices, which is the Skeleton::getBones() index. Empty if this attachment
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/// has no weights.
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Array<int> &getBones();
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void setBones(Array<int> &bones);
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/// The vertex positions in the bone's coordinate system. For a non-weighted attachment, the values are x,y pairs
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/// for each vertex. For a weighted attachment, the values are x,y,weight triplets for each bone affecting each
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/// vertex.
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Array<float> &getVertices();
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void setVertices(Array<float> &vertices);
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size_t getWorldVerticesLength();
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void setWorldVerticesLength(size_t inValue);
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Attachment *getTimelineAttachment();
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void setTimelineAttachment(Attachment *attachment);
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void copyTo(VertexAttachment &other);
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protected:
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Array<int> _bones;
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Array<float> _vertices;
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size_t _worldVerticesLength;
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private:
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const int _id;
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static int getNextID();
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};
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}
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#endif /* Spine_VertexAttachment_h */
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