spine-sys 0.1.1

Placeholder for spine workspace
Documentation 
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
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150

/******************************************************************************
 * Spine Runtimes License Agreement
 * Last updated January 1, 2020. Replaces all prior versions.
 *
 * Copyright (c) 2013-2020, 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.
 *
 * THE SPINE RUNTIMES ARE 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
 * THE SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *****************************************************************************/

#include <spine/AnimationStateData.h>
#include <spine/extension.h>

typedef struct _ToEntry _ToEntry;
struct _ToEntry {
	spAnimation* animation;
	float duration;
	_ToEntry* next;
};

_ToEntry* _ToEntry_create (spAnimation* to, float duration) {
	_ToEntry* self = NEW(_ToEntry);
	self->animation = to;
	self->duration = duration;
	return self;
}

void _ToEntry_dispose (_ToEntry* self) {
	FREE(self);
}

/**/

typedef struct _FromEntry _FromEntry;
struct _FromEntry {
	spAnimation* animation;
	_ToEntry* toEntries;
	_FromEntry* next;
};

_FromEntry* _FromEntry_create (spAnimation* from) {
	_FromEntry* self = NEW(_FromEntry);
	self->animation = from;
	return self;
}

void _FromEntry_dispose (_FromEntry* self) {
	FREE(self);
}

/**/

spAnimationStateData* spAnimationStateData_create (spSkeletonData* skeletonData) {
	spAnimationStateData* self = NEW(spAnimationStateData);
	CONST_CAST(spSkeletonData*, self->skeletonData) = skeletonData;
	return self;
}

void spAnimationStateData_dispose (spAnimationStateData* self) {
	_ToEntry* toEntry;
	_ToEntry* nextToEntry;
	_FromEntry* nextFromEntry;

	_FromEntry* fromEntry = (_FromEntry*)self->entries;
	while (fromEntry) {
		toEntry = fromEntry->toEntries;
		while (toEntry) {
			nextToEntry = toEntry->next;
			_ToEntry_dispose(toEntry);
			toEntry = nextToEntry;
		}
		nextFromEntry = fromEntry->next;
		_FromEntry_dispose(fromEntry);
		fromEntry = nextFromEntry;
	}

	FREE(self);
}

void spAnimationStateData_setMixByName (spAnimationStateData* self, const char* fromName, const char* toName, float duration) {
	spAnimation* to;
	spAnimation* from = spSkeletonData_findAnimation(self->skeletonData, fromName);
	if (!from) return;
	to = spSkeletonData_findAnimation(self->skeletonData, toName);
	if (!to) return;
	spAnimationStateData_setMix(self, from, to, duration);
}

void spAnimationStateData_setMix (spAnimationStateData* self, spAnimation* from, spAnimation* to, float duration) {
	/* Find existing FromEntry. */
	_ToEntry* toEntry;
	_FromEntry* fromEntry = (_FromEntry*)self->entries;
	while (fromEntry) {
		if (fromEntry->animation == from) {
			/* Find existing ToEntry. */
			toEntry = fromEntry->toEntries;
			while (toEntry) {
				if (toEntry->animation == to) {
					toEntry->duration = duration;
					return;
				}
				toEntry = toEntry->next;
			}
			break; /* Add new ToEntry to the existing FromEntry. */
		}
		fromEntry = fromEntry->next;
	}
	if (!fromEntry) {
		fromEntry = _FromEntry_create(from);
		fromEntry->next = (_FromEntry*)self->entries;
		CONST_CAST(_FromEntry*, self->entries) = fromEntry;
	}
	toEntry = _ToEntry_create(to, duration);
	toEntry->next = fromEntry->toEntries;
	fromEntry->toEntries = toEntry;
}

float spAnimationStateData_getMix (spAnimationStateData* self, spAnimation* from, spAnimation* to) {
	_FromEntry* fromEntry = (_FromEntry*)self->entries;
	while (fromEntry) {
		if (fromEntry->animation == from) {
			_ToEntry* toEntry = fromEntry->toEntries;
			while (toEntry) {
				if (toEntry->animation == to) return toEntry->duration;
				toEntry = toEntry->next;
			}
		}
		fromEntry = fromEntry->next;
	}
	return self->defaultMix;
}