PathConstraintSpacingTimeline.cpp
3.75 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
/******************************************************************************
* 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/PathConstraintSpacingTimeline.h>
#include <spine/Skeleton.h>
#include <spine/Event.h>
#include <spine/Animation.h>
#include <spine/TimelineType.h>
#include <spine/Slot.h>
#include <spine/SlotData.h>
#include <spine/PathConstraint.h>
#include <spine/PathConstraintData.h>
using namespace spine;
RTTI_IMPL(PathConstraintSpacingTimeline, PathConstraintPositionTimeline)
PathConstraintSpacingTimeline::PathConstraintSpacingTimeline(int frameCount) : PathConstraintPositionTimeline(
frameCount) {
}
void PathConstraintSpacingTimeline::apply(Skeleton &skeleton, float lastTime, float time, Vector<Event *> *pEvents,
float alpha, MixBlend blend, MixDirection direction
) {
SP_UNUSED(lastTime);
SP_UNUSED(pEvents);
SP_UNUSED(direction);
PathConstraint *constraintP = skeleton._pathConstraints[_pathConstraintIndex];
PathConstraint &constraint = *constraintP;
if (!constraint.isActive()) return;
if (time < _frames[0]) {
switch (blend) {
case MixBlend_Setup:
constraint._spacing = constraint._data._spacing;
return;
case MixBlend_First:
constraint._spacing += (constraint._data._spacing - constraint._spacing) * alpha;
return;
default:
return;
}
}
float spacing;
if (time >= _frames[_frames.size() - ENTRIES]) {
// Time is after last frame.
spacing = _frames[_frames.size() + PREV_VALUE];
} else {
// Interpolate between the previous frame and the current frame.
int frame = Animation::binarySearch(_frames, time, ENTRIES);
spacing = _frames[frame + PREV_VALUE];
float frameTime = _frames[frame];
float percent = getCurvePercent(frame / ENTRIES - 1,
1 - (time - frameTime) / (_frames[frame + PREV_TIME] - frameTime));
spacing += (_frames[frame + VALUE] - spacing) * percent;
}
if (blend == MixBlend_Setup)
constraint._spacing = constraint._data._spacing + (spacing - constraint._data._spacing) * alpha;
else
constraint._spacing += (spacing - constraint._spacing) * alpha;
}
int PathConstraintSpacingTimeline::getPropertyId() {
return ((int) TimelineType_PathConstraintSpacing << 24) + _pathConstraintIndex;
}