VertexAttachment.h
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/******************************************************************************
* Spine Runtimes License Agreement
* Last updated May 1, 2019. Replaces all prior versions.
*
* Copyright (c) 2013-2019, Esoteric Software LLC
*
* Integration of the Spine Runtimes into software or otherwise creating
* derivative works of the Spine Runtimes is permitted under the terms and
* conditions of Section 2 of the Spine Editor License Agreement:
* http://esotericsoftware.com/spine-editor-license
*
* Otherwise, it is permitted to integrate the Spine Runtimes into software
* or otherwise create derivative works of the Spine Runtimes (collectively,
* "Products"), provided that each user of the Products must obtain their own
* Spine Editor license and redistribution of the Products in any form must
* include this license and copyright notice.
*
* THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS
* INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
#ifndef Spine_VertexAttachment_h
#define Spine_VertexAttachment_h
#include <spine/Attachment.h>
#include <spine/Vector.h>
namespace spine {
class Slot;
/// An attachment with vertices that are transformed by one or more bones and can be deformed by a slot's vertices.
class SP_API VertexAttachment : public Attachment {
friend class SkeletonBinary;
friend class SkeletonJson;
friend class DeformTimeline;
RTTI_DECL
public:
explicit VertexAttachment(const String& name);
virtual ~VertexAttachment();
void computeWorldVertices(Slot& slot, float* worldVertices);
void computeWorldVertices(Slot& slot, Vector<float>& worldVertices);
/// Transforms local vertices to world coordinates.
/// @param start The index of the first Vertices value to transform. Each vertex has 2 values, x and y.
/// @param count The number of world vertex values to output. Must be less than or equal to WorldVerticesLength - start.
/// @param worldVertices The output world vertices. Must have a length greater than or equal to offset + count.
/// @param offset The worldVertices index to begin writing values.
/// @param stride The number of worldVertices entries between the value pairs written.
void computeWorldVertices(Slot& slot, size_t start, size_t count, float* worldVertices, size_t offset, size_t stride = 2);
void computeWorldVertices(Slot& slot, size_t start, size_t count, Vector<float>& worldVertices, size_t offset, size_t stride = 2);
/// Gets a unique ID for this attachment.
int getId();
Vector<size_t>& getBones();
Vector<float>& getVertices();
size_t getWorldVerticesLength();
void setWorldVerticesLength(size_t inValue);
VertexAttachment* getDeformAttachment();
void setDeformAttachment(VertexAttachment* attachment);
void copyTo(VertexAttachment* other);
protected:
Vector<size_t> _bones;
Vector<float> _vertices;
size_t _worldVerticesLength;
VertexAttachment* _deformAttachment;
private:
const int _id;
static int getNextID();
};
}
#endif /* Spine_VertexAttachment_h */