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axmol/cocos/editor-support/spine/SkeletonJson.c

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/******************************************************************************
* Spine Runtimes Software License
* Version 2.3
*
* Copyright (c) 2013-2015, Esoteric Software
* All rights reserved.
*
* You are granted a perpetual, non-exclusive, non-sublicensable and
* non-transferable license to use, install, execute and perform the Spine
* Runtimes Software (the "Software") and derivative works solely for personal
* or internal use. Without the written permission of Esoteric Software (see
* Section 2 of the Spine Software License Agreement), 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 SOFTWARE 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/SkeletonJson.h>
#include <stdio.h>
#include <locale.h>
#include "Json.h"
#include <spine/extension.h>
#include <spine/AtlasAttachmentLoader.h>
#include <spine/Animation.h>
typedef struct {
const char* parent;
const char* skin;
int slotIndex;
spMeshAttachment* mesh;
} _spLinkedMesh;
typedef struct {
spSkeletonJson super;
int ownsLoader;
int linkedMeshCount;
int linkedMeshCapacity;
_spLinkedMesh* linkedMeshes;
} _spSkeletonJson;
spSkeletonJson* spSkeletonJson_createWithLoader (spAttachmentLoader* attachmentLoader) {
spSkeletonJson* self = SUPER(NEW(_spSkeletonJson));
self->scale = 1;
self->attachmentLoader = attachmentLoader;
return self;
}
spSkeletonJson* spSkeletonJson_create (spAtlas* atlas) {
spAtlasAttachmentLoader* attachmentLoader = spAtlasAttachmentLoader_create(atlas);
spSkeletonJson* self = spSkeletonJson_createWithLoader(SUPER(attachmentLoader));
SUB_CAST(_spSkeletonJson, self)->ownsLoader = 1;
return self;
}
void spSkeletonJson_dispose (spSkeletonJson* self) {
_spSkeletonJson* internal = SUB_CAST(_spSkeletonJson, self);
if (internal->ownsLoader) spAttachmentLoader_dispose(self->attachmentLoader);
FREE(internal->linkedMeshes);
FREE(self->error);
FREE(self);
}
void _spSkeletonJson_setError (spSkeletonJson* self, Json* root, const char* value1, const char* value2) {
char message[256];
int length;
FREE(self->error);
strcpy(message, value1);
length = (int)strlen(value1);
if (value2) strncat(message + length, value2, 255 - length);
MALLOC_STR(self->error, message);
if (root) Json_dispose(root);
}
static float toColor (const char* value, int index) {
char digits[3];
char *error;
int color;
if (strlen(value) != 8) return -1;
value += index * 2;
digits[0] = *value;
digits[1] = *(value + 1);
digits[2] = '\0';
color = (int)strtoul(digits, &error, 16);
if (*error != 0) return -1;
return color / (float)255;
}
static void readCurve (Json* frame, spCurveTimeline* timeline, int frameIndex) {
Json* curve = Json_getItem(frame, "curve");
if (!curve) return;
if (curve->type == Json_String && strcmp(curve->valueString, "stepped") == 0)
spCurveTimeline_setStepped(timeline, frameIndex);
else if (curve->type == Json_Array) {
Json* child0 = curve->child;
Json* child1 = child0->next;
Json* child2 = child1->next;
Json* child3 = child2->next;
spCurveTimeline_setCurve(timeline, frameIndex, child0->valueFloat, child1->valueFloat, child2->valueFloat,
child3->valueFloat);
}
}
static void _spSkeletonJson_addLinkedMesh (spSkeletonJson* self, spMeshAttachment* mesh, const char* skin, int slotIndex,
const char* parent) {
_spLinkedMesh* linkedMesh;
_spSkeletonJson* internal = SUB_CAST(_spSkeletonJson, self);
if (internal->linkedMeshCount == internal->linkedMeshCapacity) {
_spLinkedMesh* linkedMeshes;
internal->linkedMeshCapacity *= 2;
if (internal->linkedMeshCapacity < 8) internal->linkedMeshCapacity = 8;
linkedMeshes = MALLOC(_spLinkedMesh, internal->linkedMeshCapacity);
memcpy(linkedMeshes, internal->linkedMeshes, sizeof(_spLinkedMesh) * internal->linkedMeshCount);
FREE(internal->linkedMeshes);
internal->linkedMeshes = linkedMeshes;
}
linkedMesh = internal->linkedMeshes + internal->linkedMeshCount++;
linkedMesh->mesh = mesh;
linkedMesh->skin = skin;
linkedMesh->slotIndex = slotIndex;
linkedMesh->parent = parent;
}
static spAnimation* _spSkeletonJson_readAnimation (spSkeletonJson* self, Json* root, spSkeletonData *skeletonData) {
int frameIndex;
spAnimation* animation;
Json* valueMap;
int timelinesCount = 0;
Json* bones = Json_getItem(root, "bones");
Json* slots = Json_getItem(root, "slots");
Json* ik = Json_getItem(root, "ik");
Json* transform = Json_getItem(root, "transform");
Json* paths = Json_getItem(root, "paths");
Json* deform = Json_getItem(root, "deform");
Json* drawOrder = Json_getItem(root, "drawOrder");
Json* events = Json_getItem(root, "events");
Json *boneMap, *slotMap, *constraintMap;
if (!drawOrder) drawOrder = Json_getItem(root, "draworder");
for (boneMap = bones ? bones->child : 0; boneMap; boneMap = boneMap->next)
timelinesCount += boneMap->size;
for (slotMap = slots ? slots->child : 0; slotMap; slotMap = slotMap->next)
timelinesCount += slotMap->size;
timelinesCount += ik ? ik->size : 0;
timelinesCount += transform ? transform->size : 0;
for (constraintMap = paths ? paths->child : 0; constraintMap; constraintMap = constraintMap->next)
timelinesCount += constraintMap->size;
for (constraintMap = deform ? deform->child : 0; constraintMap; constraintMap = constraintMap->next)
for (slotMap = constraintMap->child; slotMap; slotMap = slotMap->next)
timelinesCount += slotMap->size;
if (drawOrder) ++timelinesCount;
if (events) ++timelinesCount;
animation = spAnimation_create(root->name, timelinesCount);
animation->timelinesCount = 0;
/* Slot timelines. */
for (slotMap = slots ? slots->child : 0; slotMap; slotMap = slotMap->next) {
Json *timelineMap;
int slotIndex = spSkeletonData_findSlotIndex(skeletonData, slotMap->name);
if (slotIndex == -1) {
spAnimation_dispose(animation);
_spSkeletonJson_setError(self, root, "Slot not found: ", slotMap->name);
return 0;
}
for (timelineMap = slotMap->child; timelineMap; timelineMap = timelineMap->next) {
if (strcmp(timelineMap->name, "color") == 0) {
spColorTimeline *timeline = spColorTimeline_create(timelineMap->size);
timeline->slotIndex = slotIndex;
for (valueMap = timelineMap->child, frameIndex = 0; valueMap; valueMap = valueMap->next, ++frameIndex) {
const char* s = Json_getString(valueMap, "color", 0);
spColorTimeline_setFrame(timeline, frameIndex, Json_getFloat(valueMap, "time", 0), toColor(s, 0), toColor(s, 1), toColor(s, 2),
toColor(s, 3));
readCurve(valueMap, SUPER(timeline), frameIndex);
}
animation->timelines[animation->timelinesCount++] = SUPER_CAST(spTimeline, timeline);
animation->duration = MAX(animation->duration, timeline->frames[(timelineMap->size - 1) * COLOR_ENTRIES]);
} else if (strcmp(timelineMap->name, "attachment") == 0) {
spAttachmentTimeline *timeline = spAttachmentTimeline_create(timelineMap->size);
timeline->slotIndex = slotIndex;
for (valueMap = timelineMap->child, frameIndex = 0; valueMap; valueMap = valueMap->next, ++frameIndex) {
Json* name = Json_getItem(valueMap, "name");
spAttachmentTimeline_setFrame(timeline, frameIndex, Json_getFloat(valueMap, "time", 0),
name->type == Json_NULL ? 0 : name->valueString);
}
animation->timelines[animation->timelinesCount++] = SUPER_CAST(spTimeline, timeline);
animation->duration = MAX(animation->duration, timeline->frames[timelineMap->size - 1]);
} else {
spAnimation_dispose(animation);
_spSkeletonJson_setError(self, 0, "Invalid timeline type for a slot: ", timelineMap->name);
return 0;
}
}
}
/* Bone timelines. */
for (boneMap = bones ? bones->child : 0; boneMap; boneMap = boneMap->next) {
Json *timelineMap;
int boneIndex = spSkeletonData_findBoneIndex(skeletonData, boneMap->name);
if (boneIndex == -1) {
spAnimation_dispose(animation);
_spSkeletonJson_setError(self, root, "Bone not found: ", boneMap->name);
return 0;
}
for (timelineMap = boneMap->child; timelineMap; timelineMap = timelineMap->next) {
if (strcmp(timelineMap->name, "rotate") == 0) {
spRotateTimeline *timeline = spRotateTimeline_create(timelineMap->size);
timeline->boneIndex = boneIndex;
for (valueMap = timelineMap->child, frameIndex = 0; valueMap; valueMap = valueMap->next, ++frameIndex) {
spRotateTimeline_setFrame(timeline, frameIndex, Json_getFloat(valueMap, "time", 0), Json_getFloat(valueMap, "angle", 0));
readCurve(valueMap, SUPER(timeline), frameIndex);
}
animation->timelines[animation->timelinesCount++] = SUPER_CAST(spTimeline, timeline);
animation->duration = MAX(animation->duration, timeline->frames[(timelineMap->size - 1) * ROTATE_ENTRIES]);
} else {
int isScale = strcmp(timelineMap->name, "scale") == 0;
int isTranslate = strcmp(timelineMap->name, "translate") == 0;
int isShear = strcmp(timelineMap->name, "shear") == 0;
if (isScale || isTranslate || isShear) {
float timelineScale = isTranslate ? self->scale: 1;
spTranslateTimeline *timeline = 0;
if (isScale) timeline = spScaleTimeline_create(timelineMap->size);
else if (isTranslate) timeline = spTranslateTimeline_create(timelineMap->size);
else if (isShear) timeline = spShearTimeline_create(timelineMap->size);
timeline->boneIndex = boneIndex;
for (valueMap = timelineMap->child, frameIndex = 0; valueMap; valueMap = valueMap->next, ++frameIndex) {
spTranslateTimeline_setFrame(timeline, frameIndex, Json_getFloat(valueMap, "time", 0), Json_getFloat(valueMap, "x", 0) * timelineScale,
Json_getFloat(valueMap, "y", 0) * timelineScale);
readCurve(valueMap, SUPER(timeline), frameIndex);
}
animation->timelines[animation->timelinesCount++] = SUPER_CAST(spTimeline, timeline);
animation->duration = MAX(animation->duration, timeline->frames[(timelineMap->size - 1) * TRANSLATE_ENTRIES]);
} else {
spAnimation_dispose(animation);
_spSkeletonJson_setError(self, 0, "Invalid timeline type for a bone: ", timelineMap->name);
return 0;
}
}
}
}
/* IK constraint timelines. */
for (constraintMap = ik ? ik->child : 0; constraintMap; constraintMap = constraintMap->next) {
spIkConstraintData* constraint = spSkeletonData_findIkConstraint(skeletonData, constraintMap->name);
spIkConstraintTimeline* timeline = spIkConstraintTimeline_create(constraintMap->size);
for (frameIndex = 0; frameIndex < skeletonData->ikConstraintsCount; ++frameIndex) {
if (constraint == skeletonData->ikConstraints[frameIndex]) {
timeline->ikConstraintIndex = frameIndex;
break;
}
}
for (valueMap = constraintMap->child, frameIndex = 0; valueMap; valueMap = valueMap->next, ++frameIndex) {
spIkConstraintTimeline_setFrame(timeline, frameIndex, Json_getFloat(valueMap, "time", 0), Json_getFloat(valueMap, "mix", 1),
Json_getInt(valueMap, "bendPositive", 1) ? 1 : -1);
readCurve(valueMap, SUPER(timeline), frameIndex);
}
animation->timelines[animation->timelinesCount++] = SUPER_CAST(spTimeline, timeline);
animation->duration = MAX(animation->duration, timeline->frames[(constraintMap->size - 1) * IKCONSTRAINT_ENTRIES]);
}
/* Transform constraint timelines. */
for (constraintMap = transform ? transform->child : 0; constraintMap; constraintMap = constraintMap->next) {
spTransformConstraintData* constraint = spSkeletonData_findTransformConstraint(skeletonData, constraintMap->name);
spTransformConstraintTimeline* timeline = spTransformConstraintTimeline_create(constraintMap->size);
for (frameIndex = 0; frameIndex < skeletonData->transformConstraintsCount; ++frameIndex) {
if (constraint == skeletonData->transformConstraints[frameIndex]) {
timeline->transformConstraintIndex = frameIndex;
break;
}
}
for (valueMap = constraintMap->child, frameIndex = 0; valueMap; valueMap = valueMap->next, ++frameIndex) {
spTransformConstraintTimeline_setFrame(timeline, frameIndex, Json_getFloat(valueMap, "time", 0), Json_getFloat(valueMap, "rotateMix", 1),
Json_getFloat(valueMap, "translateMix", 1), Json_getFloat(valueMap, "scaleMix", 1), Json_getFloat(valueMap, "shearMix", 1));
readCurve(valueMap, SUPER(timeline), frameIndex);
}
animation->timelines[animation->timelinesCount++] = SUPER_CAST(spTimeline, timeline);
animation->duration = MAX(animation->duration, timeline->frames[(constraintMap->size - 1) * TRANSFORMCONSTRAINT_ENTRIES]);
}
/** Path constraint timelines. */
for(constraintMap = paths ? paths->child : 0; constraintMap; constraintMap = constraintMap->next ) {
int constraintIndex, i;
Json* timelineMap;
spPathConstraintData* data = spSkeletonData_findPathConstraint(skeletonData, constraintMap->name);
if (!data) {
spAnimation_dispose(animation);
_spSkeletonJson_setError(self, root, "Path constraint not found: ", constraintMap->name);
return 0;
}
for (i = 0; i < skeletonData->pathConstraintsCount; i++) {
if (skeletonData->pathConstraints[i] == data) {
constraintIndex = i;
break;
}
}
for (timelineMap = constraintMap->child; timelineMap; timelineMap = timelineMap->next) {
const char* timelineName = timelineMap->name;
if (strcmp(timelineName, "position") == 0 || strcmp(timelineName, "spacing") == 0) {
spPathConstraintPositionTimeline* timeline;
float timelineScale = 1;
if (strcmp(timelineName, "spacing") == 0) {
timeline = (spPathConstraintPositionTimeline*)spPathConstraintSpacingTimeline_create(timelineMap->size);
if (data->spacingMode == SP_SPACING_MODE_LENGTH || data->spacingMode == SP_SPACING_MODE_FIXED) timelineScale = self->scale;
} else {
timeline = spPathConstraintPositionTimeline_create(timelineMap->size);
if (data->positionMode == SP_POSITION_MODE_FIXED) timelineScale = self->scale;
}
timeline->pathConstraintIndex = constraintIndex;
for (valueMap = timelineMap->child, frameIndex = 0; valueMap; valueMap = valueMap->next, ++frameIndex) {
spPathConstraintPositionTimeline_setFrame(timeline, frameIndex, Json_getFloat(valueMap, "time", 0), Json_getFloat(valueMap, timelineName, 0) * timelineScale);
readCurve(valueMap, SUPER(timeline), frameIndex);
}
animation->timelines[animation->timelinesCount++] = SUPER_CAST(spTimeline, timeline);
animation->duration = MAX(animation->duration, timeline->frames[(timelineMap->size - 1) * PATHCONSTRAINTPOSITION_ENTRIES]);
} else if (strcmp(timelineName, "mix")) {
spPathConstraintMixTimeline* timeline = spPathConstraintMixTimeline_create(timelineMap->size);
timeline->pathConstraintIndex = constraintIndex;
for (valueMap = timelineMap->child, frameIndex = 0; valueMap; valueMap = valueMap->next, ++frameIndex) {
spPathConstraintMixTimeline_setFrame(timeline, frameIndex, Json_getFloat(valueMap, "time", 0),
Json_getFloat(valueMap, "rotateMix", 1), Json_getFloat(valueMap, "translateMix", 1));
readCurve(valueMap, SUPER(timeline), frameIndex);
}
animation->timelines[animation->timelinesCount++] = SUPER_CAST(spTimeline, timeline);
animation->duration = MAX(animation->duration, timeline->frames[(timelineMap->size - 1) * PATHCONSTRAINTMIX_ENTRIES]);
}
}
}
/* Deform timelines. */
for (constraintMap = deform ? deform->child : 0; constraintMap; constraintMap = constraintMap->next) {
spSkin* skin = spSkeletonData_findSkin(skeletonData, constraintMap->name);
for (slotMap = constraintMap->child; slotMap; slotMap = slotMap->next) {
int slotIndex = spSkeletonData_findSlotIndex(skeletonData, slotMap->name);
Json* timelineMap;
for (timelineMap = slotMap->child; timelineMap; timelineMap = timelineMap->next) {
float* tempDeform;
spDeformTimeline *timeline;
int weighted, deformLength;
spVertexAttachment* attachment = SUB_CAST(spVertexAttachment, spSkin_getAttachment(skin, slotIndex, timelineMap->name));
if (!attachment) {
spAnimation_dispose(animation);
_spSkeletonJson_setError(self, 0, "Attachment not found: ", timelineMap->name);
return 0;
}
weighted = attachment->bones != 0;
deformLength = weighted ? attachment->verticesCount / 3 * 2 : attachment->verticesCount;
tempDeform = MALLOC(float, deformLength);
timeline = spDeformTimeline_create(timelineMap->size, deformLength);
timeline->slotIndex = slotIndex;
timeline->attachment = SUPER(attachment);
for (valueMap = timelineMap->child, frameIndex = 0; valueMap; valueMap = valueMap->next, ++frameIndex) {
Json* vertices = Json_getItem(valueMap, "vertices");
float* deform;
if (!vertices) {
if (weighted) {
deform = tempDeform;
memset(deform, 0, sizeof(float) * deformLength);
} else
deform = attachment->vertices;
} else {
int v, start = Json_getInt(valueMap, "offset", 0);
Json* vertex;
deform = tempDeform;
memset(deform, 0, sizeof(float) * start);
if (self->scale == 1) {
for (vertex = vertices->child, v = start; vertex; vertex = vertex->next, ++v)
deform[v] = vertex->valueFloat;
} else {
for (vertex = vertices->child, v = start; vertex; vertex = vertex->next, ++v)
deform[v] = vertex->valueFloat * self->scale;
}
memset(deform + v, 0, sizeof(float) * (deformLength - v));
if (!weighted) {
float* vertices = attachment->vertices;
for (v = 0; v < deformLength; ++v)
deform[v] += vertices[v];
}
}
spDeformTimeline_setFrame(timeline, frameIndex, Json_getFloat(valueMap, "time", 0), deform);
readCurve(valueMap, SUPER(timeline), frameIndex);
}
FREE(tempDeform);
animation->timelines[animation->timelinesCount++] = SUPER_CAST(spTimeline, timeline);
animation->duration = MAX(animation->duration, timeline->frames[timelineMap->size - 1]);
}
}
}
/* Draw order timeline. */
if (drawOrder) {
spDrawOrderTimeline* timeline = spDrawOrderTimeline_create(drawOrder->size, skeletonData->slotsCount);
for (valueMap = drawOrder->child, frameIndex = 0; valueMap; valueMap = valueMap->next, ++frameIndex) {
int ii;
int* drawOrder = 0;
Json* offsets = Json_getItem(valueMap, "offsets");
if (offsets) {
Json* offsetMap;
int* unchanged = MALLOC(int, skeletonData->slotsCount - offsets->size);
int originalIndex = 0, unchangedIndex = 0;
drawOrder = MALLOC(int, skeletonData->slotsCount);
for (ii = skeletonData->slotsCount - 1; ii >= 0; --ii)
drawOrder[ii] = -1;
for (offsetMap = offsets->child; offsetMap; offsetMap = offsetMap->next) {
int slotIndex = spSkeletonData_findSlotIndex(skeletonData, Json_getString(offsetMap, "slot", 0));
if (slotIndex == -1) {
spAnimation_dispose(animation);
_spSkeletonJson_setError(self, 0, "Slot not found: ", Json_getString(offsetMap, "slot", 0));
return 0;
}
/* Collect unchanged items. */
while (originalIndex != slotIndex)
unchanged[unchangedIndex++] = originalIndex++;
/* Set changed items. */
drawOrder[originalIndex + Json_getInt(offsetMap, "offset", 0)] = originalIndex;
originalIndex++;
}
/* Collect remaining unchanged items. */
while (originalIndex < skeletonData->slotsCount)
unchanged[unchangedIndex++] = originalIndex++;
/* Fill in unchanged items. */
for (ii = skeletonData->slotsCount - 1; ii >= 0; ii--)
if (drawOrder[ii] == -1) drawOrder[ii] = unchanged[--unchangedIndex];
FREE(unchanged);
}
spDrawOrderTimeline_setFrame(timeline, frameIndex, Json_getFloat(valueMap, "time", 0), drawOrder);
FREE(drawOrder);
}
animation->timelines[animation->timelinesCount++] = SUPER_CAST(spTimeline, timeline);
animation->duration = MAX(animation->duration, timeline->frames[drawOrder->size - 1]);
}
/* Event timeline. */
if (events) {
spEventTimeline* timeline = spEventTimeline_create(events->size);
for (valueMap = events->child, frameIndex = 0; valueMap; valueMap = valueMap->next, ++frameIndex) {
spEvent* event;
const char* stringValue;
spEventData* eventData = spSkeletonData_findEvent(skeletonData, Json_getString(valueMap, "name", 0));
if (!eventData) {
spAnimation_dispose(animation);
_spSkeletonJson_setError(self, 0, "Event not found: ", Json_getString(valueMap, "name", 0));
return 0;
}
event = spEvent_create(Json_getFloat(valueMap, "time", 0), eventData);
event->intValue = Json_getInt(valueMap, "int", eventData->intValue);
event->floatValue = Json_getFloat(valueMap, "float", eventData->floatValue);
stringValue = Json_getString(valueMap, "string", eventData->stringValue);
if (stringValue) MALLOC_STR(event->stringValue, stringValue);
spEventTimeline_setFrame(timeline, frameIndex, event);
}
animation->timelines[animation->timelinesCount++] = SUPER_CAST(spTimeline, timeline);
animation->duration = MAX(animation->duration, timeline->frames[events->size - 1]);
}
return animation;
}
static void _readVertices(spSkeletonJson* self, Json* attachmentMap, spVertexAttachment* attachment, int verticesLength) {
Json* entry;
float* vertices;
int i, b, w, nn, entrySize;
attachment->worldVerticesLength = verticesLength;
entry = Json_getItem(attachmentMap, "vertices");
entrySize = entry->size;
vertices = MALLOC(float, entrySize);
for (entry = entry->child, i = 0; entry; entry = entry->next, ++i)
vertices[i] = entry->valueFloat;
if (verticesLength == entrySize) {
if (self->scale != 1)
for (i = 0; i < entrySize; ++i)
vertices[i] *= self->scale;
attachment->verticesCount = verticesLength;
attachment->vertices = vertices;
attachment->bonesCount = 0;
attachment->bones = 0;
} else {
attachment->verticesCount = 0;
attachment->bonesCount = 0;
for (i = 0; i < entrySize;) {
int bonesCount = (int)vertices[i];
attachment->bonesCount += 1 + bonesCount;
attachment->verticesCount += 3 * bonesCount;
i += 1 + bonesCount * 4;
}
attachment->vertices = MALLOC(float, attachment->verticesCount);
attachment->bones = MALLOC(int, attachment->bonesCount);
for (i = 0, b = 0, w = 0; i < entrySize;) {
int bonesCount = (int)vertices[i++];
attachment->bones[b++] = bonesCount;
for (nn = i + bonesCount * 4; i < nn;) {
attachment->bones[b++] = (int)vertices[i++];
attachment->vertices[w++] = vertices[i++] * self->scale;
attachment->vertices[w++] = vertices[i++] * self->scale;
attachment->vertices[w++] = vertices[i++];
}
}
FREE(vertices);
}
}
spSkeletonData* spSkeletonJson_readSkeletonDataFile (spSkeletonJson* self, const char* path) {
int length;
spSkeletonData* skeletonData;
const char* json = _spUtil_readFile(path, &length);
if (length == 0 || !json) {
_spSkeletonJson_setError(self, 0, "Unable to read skeleton file: ", path);
return 0;
}
skeletonData = spSkeletonJson_readSkeletonData(self, json);
FREE(json);
return skeletonData;
}
spSkeletonData* spSkeletonJson_readSkeletonData (spSkeletonJson* self, const char* json) {
int i, ii;
spSkeletonData* skeletonData;
Json *root, *skeleton, *bones, *boneMap, *ik, *transform, *path, *slots, *skins, *animations, *events;
char* oldLocale;
_spSkeletonJson* internal = SUB_CAST(_spSkeletonJson, self);
FREE(self->error);
CONST_CAST(char*, self->error) = 0;
internal->linkedMeshCount = 0;
oldLocale = setlocale(LC_NUMERIC, "C");
root = Json_create(json);
setlocale(LC_NUMERIC, oldLocale);
if (!root) {
_spSkeletonJson_setError(self, 0, "Invalid skeleton JSON: ", Json_getError());
return 0;
}
skeletonData = spSkeletonData_create();
skeleton = Json_getItem(root, "skeleton");
if (skeleton) {
MALLOC_STR(skeletonData->hash, Json_getString(skeleton, "hash", 0));
MALLOC_STR(skeletonData->version, Json_getString(skeleton, "spine", 0));
skeletonData->width = Json_getFloat(skeleton, "width", 0);
skeletonData->height = Json_getFloat(skeleton, "height", 0);
}
/* Bones. */
bones = Json_getItem(root, "bones");
skeletonData->bones = MALLOC(spBoneData*, bones->size);
for (boneMap = bones->child, i = 0; boneMap; boneMap = boneMap->next, ++i) {
spBoneData* data;
spBoneData* parent = 0;
const char* parentName = Json_getString(boneMap, "parent", 0);
if (parentName) {
parent = spSkeletonData_findBone(skeletonData, parentName);
if (!parent) {
spSkeletonData_dispose(skeletonData);
_spSkeletonJson_setError(self, root, "Parent bone not found: ", parentName);
return 0;
}
}
data = spBoneData_create(skeletonData->bonesCount, Json_getString(boneMap, "name", 0), parent);
data->length = Json_getFloat(boneMap, "length", 0) * self->scale;
data->x = Json_getFloat(boneMap, "x", 0) * self->scale;
data->y = Json_getFloat(boneMap, "y", 0) * self->scale;
data->rotation = Json_getFloat(boneMap, "rotation", 0);
data->scaleX = Json_getFloat(boneMap, "scaleX", 1);
data->scaleY = Json_getFloat(boneMap, "scaleY", 1);
data->shearX = Json_getFloat(boneMap, "shearX", 0);
data->shearY = Json_getFloat(boneMap, "shearY", 0);
data->inheritRotation = Json_getInt(boneMap, "inheritRotation", 1);
data->inheritScale = Json_getInt(boneMap, "inheritScale", 1);
skeletonData->bones[i] = data;
skeletonData->bonesCount++;
}
/* Slots. */
slots = Json_getItem(root, "slots");
if (slots) {
Json *slotMap;
skeletonData->slotsCount = slots->size;
skeletonData->slots = MALLOC(spSlotData*, slots->size);
for (slotMap = slots->child, i = 0; slotMap; slotMap = slotMap->next, ++i) {
spSlotData* data;
const char* color;
Json *item;
const char* boneName = Json_getString(slotMap, "bone", 0);
spBoneData* boneData = spSkeletonData_findBone(skeletonData, boneName);
if (!boneData) {
spSkeletonData_dispose(skeletonData);
_spSkeletonJson_setError(self, root, "Slot bone not found: ", boneName);
return 0;
}
data = spSlotData_create(i, Json_getString(slotMap, "name", 0), boneData);
color = Json_getString(slotMap, "color", 0);
if (color) {
data->r = toColor(color, 0);
data->g = toColor(color, 1);
data->b = toColor(color, 2);
data->a = toColor(color, 3);
}
item = Json_getItem(slotMap, "attachment");
if (item) spSlotData_setAttachmentName(data, item->valueString);
item = Json_getItem(slotMap, "blend");
if (item) {
if (strcmp(item->valueString, "additive") == 0)
data->blendMode = SP_BLEND_MODE_ADDITIVE;
else if (strcmp(item->valueString, "multiply") == 0)
data->blendMode = SP_BLEND_MODE_MULTIPLY;
else if (strcmp(item->valueString, "screen") == 0)
data->blendMode = SP_BLEND_MODE_SCREEN;
}
skeletonData->slots[i] = data;
}
}
/* IK constraints. */
ik = Json_getItem(root, "ik");
if (ik) {
Json *constraintMap;
skeletonData->ikConstraintsCount = ik->size;
skeletonData->ikConstraints = MALLOC(spIkConstraintData*, ik->size);
for (constraintMap = ik->child, i = 0; constraintMap; constraintMap = constraintMap->next, ++i) {
const char* targetName;
spIkConstraintData* data = spIkConstraintData_create(Json_getString(constraintMap, "name", 0));
boneMap = Json_getItem(constraintMap, "bones");
data->bonesCount = boneMap->size;
data->bones = MALLOC(spBoneData*, boneMap->size);
for (boneMap = boneMap->child, ii = 0; boneMap; boneMap = boneMap->next, ++ii) {
data->bones[ii] = spSkeletonData_findBone(skeletonData, boneMap->valueString);
if (!data->bones[ii]) {
spSkeletonData_dispose(skeletonData);
_spSkeletonJson_setError(self, root, "IK bone not found: ", boneMap->valueString);
return 0;
}
}
targetName = Json_getString(constraintMap, "target", 0);
data->target = spSkeletonData_findBone(skeletonData, targetName);
if (!data->target) {
spSkeletonData_dispose(skeletonData);
_spSkeletonJson_setError(self, root, "Target bone not found: ", boneMap->name);
return 0;
}
data->bendDirection = Json_getInt(constraintMap, "bendPositive", 1) ? 1 : -1;
data->mix = Json_getFloat(constraintMap, "mix", 1);
skeletonData->ikConstraints[i] = data;
}
}
/* Transform constraints. */
transform = Json_getItem(root, "transform");
if (transform) {
Json *constraintMap;
skeletonData->transformConstraintsCount = transform->size;
skeletonData->transformConstraints = MALLOC(spTransformConstraintData*, transform->size);
for (constraintMap = transform->child, i = 0; constraintMap; constraintMap = constraintMap->next, ++i) {
const char* name;
spTransformConstraintData* data = spTransformConstraintData_create(Json_getString(constraintMap, "name", 0));
boneMap = Json_getItem(constraintMap, "bones");
data->bonesCount = boneMap->size;
CONST_CAST(spBoneData**, data->bones) = MALLOC(spBoneData*, boneMap->size);
for (boneMap = boneMap->child, ii = 0; boneMap; boneMap = boneMap->next, ++ii) {
data->bones[ii] = spSkeletonData_findBone(skeletonData, boneMap->valueString);
if (!data->bones[ii]) {
spSkeletonData_dispose(skeletonData);
_spSkeletonJson_setError(self, root, "Transform bone not found: ", boneMap->valueString);
return 0;
}
}
name = Json_getString(constraintMap, "target", 0);
data->target = spSkeletonData_findBone(skeletonData, name);
if (!data->target) {
spSkeletonData_dispose(skeletonData);
_spSkeletonJson_setError(self, root, "Target bone not found: ", boneMap->name);
return 0;
}
data->offsetRotation = Json_getFloat(constraintMap, "rotation", 0);
data->offsetX = Json_getFloat(constraintMap, "x", 0) * self->scale;
data->offsetY = Json_getFloat(constraintMap, "y", 0) * self->scale;
data->offsetScaleX = Json_getFloat(constraintMap, "scaleX", 0);
data->offsetScaleY = Json_getFloat(constraintMap, "scaleY", 0);
data->offsetShearY = Json_getFloat(constraintMap, "shearY", 0);
data->rotateMix = Json_getFloat(constraintMap, "rotateMix", 1);
data->translateMix = Json_getFloat(constraintMap, "translateMix", 1);
data->scaleMix = Json_getFloat(constraintMap, "scaleMix", 1);
data->shearMix = Json_getFloat(constraintMap, "shearMix", 1);
skeletonData->transformConstraints[i] = data;
}
}
/* Path constraints */
path = Json_getItem(root, "path");
if (path) {
Json *constraintMap;
skeletonData->pathConstraintsCount = path->size;
skeletonData->pathConstraints = MALLOC(spPathConstraintData*, path->size);
for (constraintMap = path->child, i = 0; constraintMap; constraintMap = constraintMap->next, ++i) {
const char* name;
const char* item;
spPathConstraintData* data = spPathConstraintData_create(Json_getString(constraintMap, "name", 0));
boneMap = Json_getItem(constraintMap, "bones");
data->bonesCount = boneMap->size;
CONST_CAST(spBoneData**, data->bones) = MALLOC(spBoneData*, boneMap->size);
for (boneMap = boneMap->child, ii = 0; boneMap; boneMap = boneMap->next, ++ii) {
data->bones[ii] = spSkeletonData_findBone(skeletonData, boneMap->valueString);
if (!data->bones[ii]) {
spSkeletonData_dispose(skeletonData);
_spSkeletonJson_setError(self, root, "Path bone not found: ", boneMap->valueString);
return 0;
}
}
name = Json_getString(constraintMap, "target", 0);
data->target = spSkeletonData_findSlot(skeletonData, name);
if (!data->target) {
spSkeletonData_dispose(skeletonData);
_spSkeletonJson_setError(self, root, "Target slot not found: ", boneMap->name);
return 0;
}
item = Json_getString(constraintMap, "positionMode", "percent");
if (strcmp(item, "fixed") == 0) data->positionMode = SP_POSITION_MODE_FIXED;
else if (strcmp(item, "percent") == 0) data->positionMode = SP_POSITION_MODE_PERCENT;
item = Json_getString(constraintMap, "spacingMode", "length");
if (strcmp(item, "length") == 0) data->spacingMode = SP_SPACING_MODE_LENGTH;
else if (strcmp(item, "fixed") == 0) data->spacingMode = SP_SPACING_MODE_FIXED;
else if (strcmp(item, "percent") == 0) data->spacingMode = SP_SPACING_MODE_PERCENT;
item = Json_getString(constraintMap, "rotateMode", "tangent");
if (strcmp(item, "tangent") == 0) data->rotateMode = SP_ROTATE_MODE_TANGENT;
else if (strcmp(item, "chain") == 0) data->rotateMode = SP_ROTATE_MODE_CHAIN;
else if (strcmp(item, "chainScale") == 0) data->rotateMode = SP_ROTATE_MODE_CHAIN_SCALE;
data->offsetRotation = Json_getFloat(constraintMap, "rotation", 0);
data->position = Json_getFloat(constraintMap, "position", 0);
if (data->positionMode == SP_POSITION_MODE_FIXED) data->position *= self->scale;
data->spacing = Json_getFloat(constraintMap, "spacing", 0);
if (data->spacingMode == SP_SPACING_MODE_LENGTH || data->spacingMode == SP_SPACING_MODE_FIXED) data->spacing *= self->scale;
data->rotateMix = Json_getFloat(constraintMap, "rotateMix", 1);
data->translateMix = Json_getFloat(constraintMap, "translateMix", 1);
skeletonData->pathConstraints[i] = data;
}
}
/* Skins. */
skins = Json_getItem(root, "skins");
if (skins) {
Json *skinMap;
skeletonData->skins = MALLOC(spSkin*, skins->size);
for (skinMap = skins->child, i = 0; skinMap; skinMap = skinMap->next, ++i) {
Json *attachmentsMap;
Json *curves;
spSkin *skin = spSkin_create(skinMap->name);
skeletonData->skins[skeletonData->skinsCount++] = skin;
if (strcmp(skinMap->name, "default") == 0) skeletonData->defaultSkin = skin;
for (attachmentsMap = skinMap->child; attachmentsMap; attachmentsMap = attachmentsMap->next) {
int slotIndex = spSkeletonData_findSlotIndex(skeletonData, attachmentsMap->name);
Json *attachmentMap;
for (attachmentMap = attachmentsMap->child; attachmentMap; attachmentMap = attachmentMap->next) {
spAttachment* attachment;
const char* skinAttachmentName = attachmentMap->name;
const char* attachmentName = Json_getString(attachmentMap, "name", skinAttachmentName);
const char* path = Json_getString(attachmentMap, "path", attachmentName);
const char* color;
Json* entry;
const char* typeString = Json_getString(attachmentMap, "type", "region");
spAttachmentType type;
if (strcmp(typeString, "region") == 0)
type = SP_ATTACHMENT_REGION;
else if (strcmp(typeString, "mesh") == 0)
type = SP_ATTACHMENT_MESH;
else if (strcmp(typeString, "linkedmesh") == 0)
type = SP_ATTACHMENT_LINKED_MESH;
else if (strcmp(typeString, "boundingbox") == 0)
type = SP_ATTACHMENT_BOUNDING_BOX;
else if (strcmp(typeString, "path") == 0)
type = SP_ATTACHMENT_PATH;
else {
spSkeletonData_dispose(skeletonData);
_spSkeletonJson_setError(self, root, "Unknown attachment type: ", typeString);
return 0;
}
attachment = spAttachmentLoader_createAttachment(self->attachmentLoader, skin, type, attachmentName, path);
if (!attachment) {
if (self->attachmentLoader->error1) {
spSkeletonData_dispose(skeletonData);
_spSkeletonJson_setError(self, root, self->attachmentLoader->error1, self->attachmentLoader->error2);
return 0;
}
continue;
}
switch (attachment->type) {
case SP_ATTACHMENT_REGION: {
spRegionAttachment* region = SUB_CAST(spRegionAttachment, attachment);
if (path) MALLOC_STR(region->path, path);
region->x = Json_getFloat(attachmentMap, "x", 0) * self->scale;
region->y = Json_getFloat(attachmentMap, "y", 0) * self->scale;
region->scaleX = Json_getFloat(attachmentMap, "scaleX", 1);
region->scaleY = Json_getFloat(attachmentMap, "scaleY", 1);
region->rotation = Json_getFloat(attachmentMap, "rotation", 0);
region->width = Json_getFloat(attachmentMap, "width", 32) * self->scale;
region->height = Json_getFloat(attachmentMap, "height", 32) * self->scale;
color = Json_getString(attachmentMap, "color", 0);
if (color) {
region->r = toColor(color, 0);
region->g = toColor(color, 1);
region->b = toColor(color, 2);
region->a = toColor(color, 3);
}
spRegionAttachment_updateOffset(region);
spAttachmentLoader_configureAttachment(self->attachmentLoader, attachment);
break;
}
case SP_ATTACHMENT_MESH:
case SP_ATTACHMENT_LINKED_MESH: {
spMeshAttachment* mesh = SUB_CAST(spMeshAttachment, attachment);
MALLOC_STR(mesh->path, path);
color = Json_getString(attachmentMap, "color", 0);
if (color) {
mesh->r = toColor(color, 0);
mesh->g = toColor(color, 1);
mesh->b = toColor(color, 2);
mesh->a = toColor(color, 3);
}
mesh->width = Json_getFloat(attachmentMap, "width", 32) * self->scale;
mesh->height = Json_getFloat(attachmentMap, "height", 32) * self->scale;
entry = Json_getItem(attachmentMap, "parent");
if (!entry) {
int verticesLength;
entry = Json_getItem(attachmentMap, "triangles");
mesh->trianglesCount = entry->size;
mesh->triangles = MALLOC(unsigned short, entry->size);
for (entry = entry->child, ii = 0; entry; entry = entry->next, ++ii)
mesh->triangles[ii] = (unsigned short)entry->valueInt;
entry = Json_getItem(attachmentMap, "uvs");
verticesLength = entry->size;
mesh->regionUVs = MALLOC(float, verticesLength);
for (entry = entry->child, ii = 0; entry; entry = entry->next, ++ii)
mesh->regionUVs[ii] = entry->valueFloat;
_readVertices(self, attachmentMap, SUPER(mesh), verticesLength);
spMeshAttachment_updateUVs(mesh);
mesh->hullLength = Json_getInt(attachmentMap, "hull", 0);
entry = Json_getItem(attachmentMap, "edges");
if (entry) {
mesh->edgesCount = entry->size;
mesh->edges = MALLOC(int, entry->size);
for (entry = entry->child, ii = 0; entry; entry = entry->next, ++ii)
mesh->edges[ii] = entry->valueInt;
}
spAttachmentLoader_configureAttachment(self->attachmentLoader, attachment);
} else {
mesh->inheritDeform = Json_getInt(attachmentMap, "deform", 1);
_spSkeletonJson_addLinkedMesh(self, SUB_CAST(spMeshAttachment, attachment), Json_getString(attachmentMap, "skin", 0), slotIndex,
entry->valueString);
}
break;
}
case SP_ATTACHMENT_BOUNDING_BOX: {
spBoundingBoxAttachment* box = SUB_CAST(spBoundingBoxAttachment, attachment);
_readVertices(self, attachmentMap, SUPER(box), Json_getInt(attachmentMap, "vertexCount", 0) << 1);
spAttachmentLoader_configureAttachment(self->attachmentLoader, attachment);
break;
}
case SP_ATTACHMENT_PATH: {
spPathAttachment* path = SUB_CAST(spPathAttachment, attachment);
int vertexCount = 0;
path->closed = Json_getInt(attachmentMap, "closed", 0);
path->constantSpeed = Json_getInt(attachmentMap, "constantSpeed", 1);
vertexCount = Json_getInt(attachmentMap, "vertexCount", 0);
_readVertices(self, attachmentMap, SUPER(path), vertexCount << 1);
path->lengthsLength = vertexCount / 3;
path->lengths = MALLOC(float, path->lengthsLength);
curves = Json_getItem(attachmentMap, "lengths");
for (curves = curves->child, ii = 0; curves; curves = curves->next, ++ii) {
path->lengths[ii] = curves->valueFloat * self->scale;
}
break;
}
}
spSkin_addAttachment(skin, slotIndex, skinAttachmentName, attachment);
}
}
}
}
/* Linked meshes. */
for (i = 0; i < internal->linkedMeshCount; i++) {
spAttachment* parent;
_spLinkedMesh* linkedMesh = internal->linkedMeshes + i;
spSkin* skin = !linkedMesh->skin ? skeletonData->defaultSkin : spSkeletonData_findSkin(skeletonData, linkedMesh->skin);
if (!skin) {
spSkeletonData_dispose(skeletonData);
_spSkeletonJson_setError(self, 0, "Skin not found: ", linkedMesh->skin);
return 0;
}
parent = spSkin_getAttachment(skin, linkedMesh->slotIndex, linkedMesh->parent);
if (!parent) {
spSkeletonData_dispose(skeletonData);
_spSkeletonJson_setError(self, 0, "Parent mesh not found: ", linkedMesh->parent);
return 0;
}
spMeshAttachment_setParentMesh(linkedMesh->mesh, SUB_CAST(spMeshAttachment, parent));
spMeshAttachment_updateUVs(linkedMesh->mesh);
spAttachmentLoader_configureAttachment(self->attachmentLoader, SUPER(SUPER(linkedMesh->mesh)));
}
/* Events. */
events = Json_getItem(root, "events");
if (events) {
Json *eventMap;
const char* stringValue;
skeletonData->eventsCount = events->size;
skeletonData->events = MALLOC(spEventData*, events->size);
for (eventMap = events->child, i = 0; eventMap; eventMap = eventMap->next, ++i) {
spEventData* eventData = spEventData_create(eventMap->name);
eventData->intValue = Json_getInt(eventMap, "int", 0);
eventData->floatValue = Json_getFloat(eventMap, "float", 0);
stringValue = Json_getString(eventMap, "string", 0);
if (stringValue) MALLOC_STR(eventData->stringValue, stringValue);
skeletonData->events[i] = eventData;
}
}
/* Animations. */
animations = Json_getItem(root, "animations");
if (animations) {
Json *animationMap;
skeletonData->animations = MALLOC(spAnimation*, animations->size);
for (animationMap = animations->child; animationMap; animationMap = animationMap->next) {
spAnimation* animation = _spSkeletonJson_readAnimation(self, animationMap, skeletonData);
if (!animation) {
spSkeletonData_dispose(skeletonData);
return 0;
}
skeletonData->animations[skeletonData->animationsCount++] = animation;
}
}
Json_dispose(root);
return skeletonData;
}
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