mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
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111 lines
5.2 KiB
C
111 lines
5.2 KiB
C
/******************************************************************************
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* Spine Runtimes Software License
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* Version 2
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*
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* Copyright (c) 2013, Esoteric Software
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* All rights reserved.
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*
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* You are granted a perpetual, non-exclusive, non-sublicensable and
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* non-transferable license to install, execute and perform the Spine Runtimes
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* Software (the "Software") solely for internal use. Without the written
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* permission of Esoteric Software, you may not (a) modify, translate, adapt or
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* otherwise create derivative works, improvements of the Software or develop
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* new applications using the Software or (b) remove, delete, alter or obscure
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* any trademarks or any copyright, trademark, patent or other intellectual
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* property or proprietary rights notices on or in the Software, including
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* any copy thereof. Redistributions in binary or source form must include
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* this license and terms. THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTARE 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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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 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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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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#ifndef SPINE_SKELETONBOUNDS_H_
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#define SPINE_SKELETONBOUNDS_H_
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#include <spine/BoundingBoxAttachment.h>
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#include <spine/Skeleton.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct {
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float* const vertices;
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int count;
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int capacity;
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} spPolygon;
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spPolygon* spPolygon_create (int capacity);
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void spPolygon_dispose (spPolygon* self);
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int/*bool*/spPolygon_containsPoint (spPolygon* polygon, float x, float y);
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int/*bool*/spPolygon_intersectsSegment (spPolygon* polygon, float x1, float y1, float x2, float y2);
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#ifdef SPINE_SHORT_NAMES
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typedef spPolygon Polygon;
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#define Polygon_create(...) spPolygon_create(__VA_ARGS__)
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#define Polygon_dispose(...) spPolygon_dispose(__VA_ARGS__)
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#define Polygon_containsPoint(...) spPolygon_containsPoint(__VA_ARGS__)
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#define Polygon_intersectsSegment(...) spPolygon_intersectsSegment(__VA_ARGS__)
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#endif
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/**/
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typedef struct {
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int count;
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spBoundingBoxAttachment** boundingBoxes;
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spPolygon** polygons;
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float minX, minY, maxX, maxY;
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} spSkeletonBounds;
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spSkeletonBounds* spSkeletonBounds_create ();
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void spSkeletonBounds_dispose (spSkeletonBounds* self);
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void spSkeletonBounds_update (spSkeletonBounds* self, spSkeleton* skeleton, int/*bool*/updateAabb);
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/** Returns true if the axis aligned bounding box contains the point. */
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int/*bool*/spSkeletonBounds_aabbContainsPoint (spSkeletonBounds* self, float x, float y);
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/** Returns true if the axis aligned bounding box intersects the line segment. */
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int/*bool*/spSkeletonBounds_aabbIntersectsSegment (spSkeletonBounds* self, float x1, float y1, float x2, float y2);
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/** Returns true if the axis aligned bounding box intersects the axis aligned bounding box of the specified bounds. */
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int/*bool*/spSkeletonBounds_aabbIntersectsSkeleton (spSkeletonBounds* self, spSkeletonBounds* bounds);
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/** Returns the first bounding box attachment that contains the point, or null. When doing many checks, it is usually more
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* efficient to only call this method if spSkeletonBounds_aabbContainsPoint returns true. */
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spBoundingBoxAttachment* spSkeletonBounds_containsPoint (spSkeletonBounds* self, float x, float y);
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/** Returns the first bounding box attachment that contains the line segment, or null. When doing many checks, it is usually
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* more efficient to only call this method if spSkeletonBounds_aabbIntersectsSegment returns true. */
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spBoundingBoxAttachment* spSkeletonBounds_intersectsSegment (spSkeletonBounds* self, float x1, float y1, float x2, float y2);
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/** Returns the polygon for the specified bounding box, or null. */
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spPolygon* spSkeletonBounds_getPolygon (spSkeletonBounds* self, spBoundingBoxAttachment* boundingBox);
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#ifdef SPINE_SHORT_NAMES
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typedef spSkeletonBounds SkeletonBounds;
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#define SkeletonBounds_create(...) spSkeletonBounds_create(__VA_ARGS__)
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#define SkeletonBounds_dispose(...) spSkeletonBounds_dispose(__VA_ARGS__)
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#define SkeletonBounds_update(...) spSkeletonBounds_update(__VA_ARGS__)
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#define SkeletonBounds_aabbContainsPoint(...) spSkeletonBounds_aabbContainsPoint(__VA_ARGS__)
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#define SkeletonBounds_aabbIntersectsSegment(...) spSkeletonBounds_aabbIntersectsSegment(__VA_ARGS__)
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#define SkeletonBounds_aabbIntersectsSkeleton(...) spSkeletonBounds_aabbIntersectsSkeleton(__VA_ARGS__)
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#define SkeletonBounds_containsPoint(...) spSkeletonBounds_containsPoint(__VA_ARGS__)
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#define SkeletonBounds_intersectsSegment(...) spSkeletonBounds_intersectsSegment(__VA_ARGS__)
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#define SkeletonBounds_getPolygon(...) spSkeletonBounds_getPolygon(__VA_ARGS__)
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* SPINE_SKELETONBOUNDS_H_ */
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