PathConstraintMixTimeline.cpp
4.87 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
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
/******************************************************************************
* 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/PathConstraintMixTimeline.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(PathConstraintMixTimeline, CurveTimeline)
const int PathConstraintMixTimeline::ENTRIES = 3;
const int PathConstraintMixTimeline::PREV_TIME = -3;
const int PathConstraintMixTimeline::PREV_ROTATE = -2;
const int PathConstraintMixTimeline::PREV_TRANSLATE = -1;
const int PathConstraintMixTimeline::ROTATE = 1;
const int PathConstraintMixTimeline::TRANSLATE = 2;
PathConstraintMixTimeline::PathConstraintMixTimeline(int frameCount) : CurveTimeline(frameCount),
_pathConstraintIndex(0)
{
_frames.setSize(frameCount * ENTRIES, 0);
}
void PathConstraintMixTimeline::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._rotateMix = constraint._data._rotateMix;
constraint._translateMix = constraint._data._translateMix;
return;
case MixBlend_First:
constraint._rotateMix += (constraint._data._rotateMix - constraint._rotateMix) * alpha;
constraint._translateMix += (constraint._data._translateMix - constraint._translateMix) * alpha;
return;
default:
return;
}
}
float rotate, translate;
if (time >= _frames[_frames.size() - ENTRIES]) {
// Time is after last frame.
rotate = _frames[_frames.size() + PREV_ROTATE];
translate = _frames[_frames.size() + PREV_TRANSLATE];
} else {
// Interpolate between the previous frame and the current frame.
int frame = Animation::binarySearch(_frames, time, ENTRIES);
rotate = _frames[frame + PREV_ROTATE];
translate = _frames[frame + PREV_TRANSLATE];
float frameTime = _frames[frame];
float percent = getCurvePercent(frame / ENTRIES - 1,
1 - (time - frameTime) / (_frames[frame + PREV_TIME] - frameTime));
rotate += (_frames[frame + ROTATE] - rotate) * percent;
translate += (_frames[frame + TRANSLATE] - translate) * percent;
}
if (blend == MixBlend_Setup) {
constraint._rotateMix = constraint._data._rotateMix + (rotate - constraint._data._rotateMix) * alpha;
constraint._translateMix =
constraint._data._translateMix + (translate - constraint._data._translateMix) * alpha;
} else {
constraint._rotateMix += (rotate - constraint._rotateMix) * alpha;
constraint._translateMix += (translate - constraint._translateMix) * alpha;
}
}
int PathConstraintMixTimeline::getPropertyId() {
return ((int) TimelineType_PathConstraintMix << 24) + _pathConstraintIndex;
}
void PathConstraintMixTimeline::setFrame(int frameIndex, float time, float rotateMix, float translateMix) {
frameIndex *= ENTRIES;
_frames[frameIndex] = time;
_frames[frameIndex + ROTATE] = rotateMix;
_frames[frameIndex + TRANSLATE] = translateMix;
}