axmol/cocos/editor-support/spine/SkeletonBounds.h

113 lines
5.2 KiB
C

/******************************************************************************
* Spine Runtimes Software License
* Version 2.1
*
* Copyright (c) 2013, Esoteric Software
* All rights reserved.
*
* You are granted a perpetual, non-exclusive, non-sublicensable and
* non-transferable license to install, execute and perform the Spine Runtimes
* Software (the "Software") solely for internal use. Without the written
* permission of Esoteric Software (typically granted by licensing Spine), you
* may not (a) modify, translate, adapt or otherwise create derivative works,
* improvements of the Software or develop new applications using the Software
* or (b) remove, delete, alter or obscure any trademarks or any copyright,
* trademark, patent or other intellectual property or proprietary rights
* notices on or in the Software, including any copy thereof. Redistributions
* in binary or source form must include this license and terms.
*
* THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "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 SOFTARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) 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_SKELETONBOUNDS_H_
#define SPINE_SKELETONBOUNDS_H_
#include <spine/BoundingBoxAttachment.h>
#include <spine/Skeleton.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct spPolygon {
float* const vertices;
int count;
int capacity;
} spPolygon;
spPolygon* spPolygon_create (int capacity);
void spPolygon_dispose (spPolygon* self);
int/*bool*/spPolygon_containsPoint (spPolygon* polygon, float x, float y);
int/*bool*/spPolygon_intersectsSegment (spPolygon* polygon, float x1, float y1, float x2, float y2);
#ifdef SPINE_SHORT_NAMES
typedef spPolygon Polygon;
#define Polygon_create(...) spPolygon_create(__VA_ARGS__)
#define Polygon_dispose(...) spPolygon_dispose(__VA_ARGS__)
#define Polygon_containsPoint(...) spPolygon_containsPoint(__VA_ARGS__)
#define Polygon_intersectsSegment(...) spPolygon_intersectsSegment(__VA_ARGS__)
#endif
/**/
typedef struct spSkeletonBounds {
int count;
spBoundingBoxAttachment** boundingBoxes;
spPolygon** polygons;
float minX, minY, maxX, maxY;
} spSkeletonBounds;
spSkeletonBounds* spSkeletonBounds_create ();
void spSkeletonBounds_dispose (spSkeletonBounds* self);
void spSkeletonBounds_update (spSkeletonBounds* self, spSkeleton* skeleton, int/*bool*/updateAabb);
/** Returns true if the axis aligned bounding box contains the point. */
int/*bool*/spSkeletonBounds_aabbContainsPoint (spSkeletonBounds* self, float x, float y);
/** Returns true if the axis aligned bounding box intersects the line segment. */
int/*bool*/spSkeletonBounds_aabbIntersectsSegment (spSkeletonBounds* self, float x1, float y1, float x2, float y2);
/** Returns true if the axis aligned bounding box intersects the axis aligned bounding box of the specified bounds. */
int/*bool*/spSkeletonBounds_aabbIntersectsSkeleton (spSkeletonBounds* self, spSkeletonBounds* bounds);
/** Returns the first bounding box attachment that contains the point, or null. When doing many checks, it is usually more
* efficient to only call this method if spSkeletonBounds_aabbContainsPoint returns true. */
spBoundingBoxAttachment* spSkeletonBounds_containsPoint (spSkeletonBounds* self, float x, float y);
/** Returns the first bounding box attachment that contains the line segment, or null. When doing many checks, it is usually
* more efficient to only call this method if spSkeletonBounds_aabbIntersectsSegment returns true. */
spBoundingBoxAttachment* spSkeletonBounds_intersectsSegment (spSkeletonBounds* self, float x1, float y1, float x2, float y2);
/** Returns the polygon for the specified bounding box, or null. */
spPolygon* spSkeletonBounds_getPolygon (spSkeletonBounds* self, spBoundingBoxAttachment* boundingBox);
#ifdef SPINE_SHORT_NAMES
typedef spSkeletonBounds SkeletonBounds;
#define SkeletonBounds_create(...) spSkeletonBounds_create(__VA_ARGS__)
#define SkeletonBounds_dispose(...) spSkeletonBounds_dispose(__VA_ARGS__)
#define SkeletonBounds_update(...) spSkeletonBounds_update(__VA_ARGS__)
#define SkeletonBounds_aabbContainsPoint(...) spSkeletonBounds_aabbContainsPoint(__VA_ARGS__)
#define SkeletonBounds_aabbIntersectsSegment(...) spSkeletonBounds_aabbIntersectsSegment(__VA_ARGS__)
#define SkeletonBounds_aabbIntersectsSkeleton(...) spSkeletonBounds_aabbIntersectsSkeleton(__VA_ARGS__)
#define SkeletonBounds_containsPoint(...) spSkeletonBounds_containsPoint(__VA_ARGS__)
#define SkeletonBounds_intersectsSegment(...) spSkeletonBounds_intersectsSegment(__VA_ARGS__)
#define SkeletonBounds_getPolygon(...) spSkeletonBounds_getPolygon(__VA_ARGS__)
#endif
#ifdef __cplusplus
}
#endif
#endif /* SPINE_SKELETONBOUNDS_H_ */