mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
synced 2026-02-20 08:46:43 +08:00
116 lines
5.1 KiB
C
116 lines
5.1 KiB
C
/******************************************************************************
|
|
* Spine Runtimes Software License
|
|
* Version 2
|
|
*
|
|
* 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, 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.
|
|
*****************************************************************************/
|
|
|
|
#include <spine/RegionAttachment.h>
|
|
#include <spine/extension.h>
|
|
|
|
void _spRegionAttachment_dispose (spAttachment* attachment) {
|
|
spRegionAttachment* self = SUB_CAST(spRegionAttachment, attachment);
|
|
|
|
_spAttachment_deinit(attachment);
|
|
|
|
FREE(self);
|
|
}
|
|
|
|
spRegionAttachment* spRegionAttachment_create (const char* name) {
|
|
spRegionAttachment* self = NEW(spRegionAttachment);
|
|
self->scaleX = 1;
|
|
self->scaleY = 1;
|
|
_spAttachment_init(SUPER(self), name, ATTACHMENT_REGION, _spRegionAttachment_dispose);
|
|
return self;
|
|
}
|
|
|
|
void spRegionAttachment_setUVs (spRegionAttachment* self, float u, float v, float u2, float v2, int/*bool*/rotate) {
|
|
if (rotate) {
|
|
self->uvs[VERTEX_X2] = u;
|
|
self->uvs[VERTEX_Y2] = v2;
|
|
self->uvs[VERTEX_X3] = u;
|
|
self->uvs[VERTEX_Y3] = v;
|
|
self->uvs[VERTEX_X4] = u2;
|
|
self->uvs[VERTEX_Y4] = v;
|
|
self->uvs[VERTEX_X1] = u2;
|
|
self->uvs[VERTEX_Y1] = v2;
|
|
} else {
|
|
self->uvs[VERTEX_X1] = u;
|
|
self->uvs[VERTEX_Y1] = v2;
|
|
self->uvs[VERTEX_X2] = u;
|
|
self->uvs[VERTEX_Y2] = v;
|
|
self->uvs[VERTEX_X3] = u2;
|
|
self->uvs[VERTEX_Y3] = v;
|
|
self->uvs[VERTEX_X4] = u2;
|
|
self->uvs[VERTEX_Y4] = v2;
|
|
}
|
|
}
|
|
|
|
void spRegionAttachment_updateOffset (spRegionAttachment* self) {
|
|
float regionScaleX = self->width / self->regionOriginalWidth * self->scaleX;
|
|
float regionScaleY = self->height / self->regionOriginalHeight * self->scaleY;
|
|
float localX = -self->width / 2 * self->scaleX + self->regionOffsetX * regionScaleX;
|
|
float localY = -self->height / 2 * self->scaleY + self->regionOffsetY * regionScaleY;
|
|
float localX2 = localX + self->regionWidth * regionScaleX;
|
|
float localY2 = localY + self->regionHeight * regionScaleY;
|
|
float radians = (float)(self->rotation * 3.1415926535897932385 / 180);
|
|
#ifdef __STDC_VERSION__
|
|
float cosine = cosf(radians);
|
|
float sine = sinf(radians);
|
|
#else
|
|
float cosine = (float)cos(radians);
|
|
float sine = (float)sin(radians);
|
|
#endif
|
|
float localXCos = localX * cosine + self->x;
|
|
float localXSin = localX * sine;
|
|
float localYCos = localY * cosine + self->y;
|
|
float localYSin = localY * sine;
|
|
float localX2Cos = localX2 * cosine + self->x;
|
|
float localX2Sin = localX2 * sine;
|
|
float localY2Cos = localY2 * cosine + self->y;
|
|
float localY2Sin = localY2 * sine;
|
|
self->offset[VERTEX_X1] = localXCos - localYSin;
|
|
self->offset[VERTEX_Y1] = localYCos + localXSin;
|
|
self->offset[VERTEX_X2] = localXCos - localY2Sin;
|
|
self->offset[VERTEX_Y2] = localY2Cos + localXSin;
|
|
self->offset[VERTEX_X3] = localX2Cos - localY2Sin;
|
|
self->offset[VERTEX_Y3] = localY2Cos + localX2Sin;
|
|
self->offset[VERTEX_X4] = localX2Cos - localYSin;
|
|
self->offset[VERTEX_Y4] = localYCos + localX2Sin;
|
|
}
|
|
|
|
void spRegionAttachment_computeWorldVertices (spRegionAttachment* self, float x, float y, spBone* bone, float* vertices) {
|
|
float* offset = self->offset;
|
|
x += bone->worldX;
|
|
y += bone->worldY;
|
|
vertices[VERTEX_X1] = offset[VERTEX_X1] * bone->m00 + offset[VERTEX_Y1] * bone->m01 + x;
|
|
vertices[VERTEX_Y1] = offset[VERTEX_X1] * bone->m10 + offset[VERTEX_Y1] * bone->m11 + y;
|
|
vertices[VERTEX_X2] = offset[VERTEX_X2] * bone->m00 + offset[VERTEX_Y2] * bone->m01 + x;
|
|
vertices[VERTEX_Y2] = offset[VERTEX_X2] * bone->m10 + offset[VERTEX_Y2] * bone->m11 + y;
|
|
vertices[VERTEX_X3] = offset[VERTEX_X3] * bone->m00 + offset[VERTEX_Y3] * bone->m01 + x;
|
|
vertices[VERTEX_Y3] = offset[VERTEX_X3] * bone->m10 + offset[VERTEX_Y3] * bone->m11 + y;
|
|
vertices[VERTEX_X4] = offset[VERTEX_X4] * bone->m00 + offset[VERTEX_Y4] * bone->m01 + x;
|
|
vertices[VERTEX_Y4] = offset[VERTEX_X4] * bone->m10 + offset[VERTEX_Y4] * bone->m11 + y;
|
|
}
|