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 xiaoyu
游戏源码添加编译（现存问题：游戏内...
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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.
*****************************************************************************/
#ifdef SPINE_UE4
#include "SpinePluginPrivatePCH.h"
#endif
#include <spine/CurveTimeline.h>
#include <spine/MathUtil.h>
using namespace spine;
RTTI_IMPL(CurveTimeline, Timeline)
const float CurveTimeline::LINEAR = 0;
const float CurveTimeline::STEPPED = 1;
const float CurveTimeline::BEZIER = 2;
const int CurveTimeline::BEZIER_SIZE = 10 * 2 - 1;
CurveTimeline::CurveTimeline(int frameCount) {
assert(frameCount > 0);
_curves.setSize((frameCount - 1) * BEZIER_SIZE, 0);
}
CurveTimeline::~CurveTimeline() {
}
size_t CurveTimeline::getFrameCount() {
return _curves.size() / BEZIER_SIZE + 1;
}
void CurveTimeline::setLinear(size_t frameIndex) {
_curves[frameIndex * BEZIER_SIZE] = LINEAR;
}
void CurveTimeline::setStepped(size_t frameIndex) {
_curves[frameIndex * BEZIER_SIZE] = STEPPED;
}
void CurveTimeline::setCurve(size_t frameIndex, float cx1, float cy1, float cx2, float cy2) {
float tmpx = (-cx1 * 2 + cx2) * 0.03f, tmpy = (-cy1 * 2 + cy2) * 0.03f;
float dddfx = ((cx1 - cx2) * 3 + 1) * 0.006f, dddfy = ((cy1 - cy2) * 3 + 1) * 0.006f;
float ddfx = tmpx * 2 + dddfx, ddfy = tmpy * 2 + dddfy;
float dfx = cx1 * 0.3f + tmpx + dddfx * 0.16666667f, dfy = cy1 * 0.3f + tmpy + dddfy * 0.16666667f;
size_t i = frameIndex * BEZIER_SIZE;
_curves[i++] = BEZIER;
float x = dfx, y = dfy;
for (size_t n = i + BEZIER_SIZE - 1; i < n; i += 2) {
_curves[i] = x;
_curves[i + 1] = y;
dfx += ddfx;
dfy += ddfy;
ddfx += dddfx;
ddfy += dddfy;
x += dfx;
y += dfy;
}
}
float CurveTimeline::getCurvePercent(size_t frameIndex, float percent) {
percent = MathUtil::clamp(percent, 0, 1);
size_t i = frameIndex * BEZIER_SIZE;
float type = _curves[i];
if (type == LINEAR) {
return percent;
}
if (type == STEPPED) {
return 0;
}
i++;
float x = 0;
for (size_t start = i, n = i + BEZIER_SIZE - 1; i < n; i += 2) {
x = _curves[i];
if (x >= percent) {
float prevX, prevY;
if (i == start) {
prevX = 0;
prevY = 0;
} else {
prevX = _curves[i - 2];
prevY = _curves[i - 1];
}
return prevY + (_curves[i + 1] - prevY) * (percent - prevX) / (x - prevX);
}
}
float y = _curves[i - 1];
return y + (1 - y) * (percent - x) / (1 - x); // Last point is 1,1.
}
float CurveTimeline::getCurveType(size_t frameIndex) {
return _curves[frameIndex * BEZIER_SIZE];
}
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