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

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/******************************************************************************
* Spine Runtime Software License - Version 1.1
*
* Copyright (c) 2013, Esoteric Software
* All rights reserved.
*
* Redistribution and use in source and binary forms in whole or in part, with
* or without modification, are permitted provided that the following conditions
* are met:
*
* 1. A Spine Essential, Professional, Enterprise, or Education License must
* be purchased from Esoteric Software and the license must remain valid:
* http://esotericsoftware.com/
* 2. Redistributions of source code must retain this license, which is the
* above copyright notice, this declaration of conditions and the following
* disclaimer.
* 3. Redistributions in binary form must reproduce this license, which is the
* above copyright notice, this declaration of conditions and the following
* disclaimer, in the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT OWNER OR CONTRIBUTORS 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 "Json.h"
#include <spine/extension.h>
#include <spine/RegionAttachment.h>
#include <spine/AtlasAttachmentLoader.h>
typedef struct {
spSkeletonJson super;
int ownsLoader;
} _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) {
if (SUB_CAST(_spSkeletonJson, self)->ownsLoader) spAttachmentLoader_dispose(self->attachmentLoader);
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 = strlen(value1);
if (value2) strncat(message + length, value2, 256 - length);
MALLOC_STR(self->error, message);
if (root) Json_dispose(root);
}
static float toColor (const char* value, int index) {
char digits[3];
char *error;
if (strlen(value) != 8) return -1;
value += index * 2;
digits[0] = *value;
digits[1] = *(value + 1);
digits[2] = '\0';
auto color = strtoul(digits, &error, 16);
if (*error != 0) return -1;
return color / (float)255;
}
static void readCurve (spCurveTimeline* timeline, int frameIndex, Json* frame) {
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 spAnimation* _spSkeletonJson_readAnimation (spSkeletonJson* self, Json* root, spSkeletonData *skeletonData) {
int i;
spAnimation* animation;
Json* bones = Json_getItem(root, "bones");
Json* slots = Json_getItem(root, "slots");
Json* drawOrder = Json_getItem(root, "draworder");
Json* events = Json_getItem(root, "events");
Json *boneMap, *slotMap;
int timelineCount = 0;
for (boneMap = bones ? bones->child : 0; boneMap; boneMap = boneMap->next)
timelineCount += boneMap->size;
for (slotMap = slots ? slots->child : 0; slotMap; slotMap = slotMap->next)
timelineCount += slotMap->size;
if (events) ++timelineCount;
if (drawOrder) ++timelineCount;
animation = spAnimation_create(root->name, timelineCount);
animation->timelineCount = 0;
skeletonData->animations[skeletonData->animationCount] = animation;
++skeletonData->animationCount;
for (boneMap = bones ? bones->child : 0; boneMap; boneMap = boneMap->next) {
Json *timelineArray;
int boneIndex = spSkeletonData_findBoneIndex(skeletonData, boneMap->name);
if (boneIndex == -1) {
spAnimation_dispose(animation);
_spSkeletonJson_setError(self, root, "spBone not found: ", boneMap->name);
return 0;
}
for (timelineArray = boneMap->child; timelineArray; timelineArray = timelineArray->next) {
Json* frame;
float duration;
if (strcmp(timelineArray->name, "rotate") == 0) {
spRotateTimeline *timeline = spRotateTimeline_create(timelineArray->size);
timeline->boneIndex = boneIndex;
for (frame = timelineArray->child, i = 0; frame; frame = frame->next, ++i) {
spRotateTimeline_setFrame(timeline, i, Json_getFloat(frame, "time", 0), Json_getFloat(frame, "angle", 0));
readCurve(SUPER(timeline), i, frame);
}
animation->timelines[animation->timelineCount++] = (spTimeline*)timeline;
duration = timeline->frames[timelineArray->size * 2 - 2];
if (duration > animation->duration) animation->duration = duration;
} else {
int isScale = strcmp(timelineArray->name, "scale") == 0;
if (isScale || strcmp(timelineArray->name, "translate") == 0) {
float scale = isScale ? 1 : self->scale;
spTranslateTimeline *timeline =
isScale ? spScaleTimeline_create(timelineArray->size) : spTranslateTimeline_create(timelineArray->size);
timeline->boneIndex = boneIndex;
for (frame = timelineArray->child, i = 0; frame; frame = frame->next, ++i) {
spTranslateTimeline_setFrame(timeline, i, Json_getFloat(frame, "time", 0), Json_getFloat(frame, "x", 0) * scale,
Json_getFloat(frame, "y", 0) * scale);
readCurve(SUPER(timeline), i, frame);
}
animation->timelines[animation->timelineCount++] = (spTimeline*)timeline;
duration = timeline->frames[timelineArray->size * 3 - 3];
if (duration > animation->duration) animation->duration = duration;
} else {
spAnimation_dispose(animation);
_spSkeletonJson_setError(self, 0, "Invalid timeline type for a bone: ", timelineArray->name);
return 0;
}
}
}
}
for (slotMap = slots ? slots->child : 0; slotMap; slotMap = slotMap->next) {
Json *timelineArray;
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 (timelineArray = slotMap->child; timelineArray; timelineArray = timelineArray->next) {
Json* frame;
float duration;
if (strcmp(timelineArray->name, "color") == 0) {
spColorTimeline *timeline = spColorTimeline_create(timelineArray->size);
timeline->slotIndex = slotIndex;
for (frame = timelineArray->child, i = 0; frame; frame = frame->next, ++i) {
const char* s = Json_getString(frame, "color", 0);
spColorTimeline_setFrame(timeline, i, Json_getFloat(frame, "time", 0), toColor(s, 0), toColor(s, 1), toColor(s, 2),
toColor(s, 3));
readCurve(SUPER(timeline), i, frame);
}
animation->timelines[animation->timelineCount++] = (spTimeline*)timeline;
duration = timeline->frames[timelineArray->size * 5 - 5];
if (duration > animation->duration) animation->duration = duration;
} else if (strcmp(timelineArray->name, "attachment") == 0) {
spAttachmentTimeline *timeline = spAttachmentTimeline_create(timelineArray->size);
timeline->slotIndex = slotIndex;
for (frame = timelineArray->child, i = 0; frame; frame = frame->next, ++i) {
Json* name = Json_getItem(frame, "name");
spAttachmentTimeline_setFrame(timeline, i, Json_getFloat(frame, "time", 0),
name->type == Json_NULL ? 0 : name->valueString);
}
animation->timelines[animation->timelineCount++] = (spTimeline*)timeline;
duration = timeline->frames[timelineArray->size - 1];
if (duration > animation->duration) animation->duration = duration;
} else {
spAnimation_dispose(animation);
_spSkeletonJson_setError(self, 0, "Invalid timeline type for a slot: ", timelineArray->name);
return 0;
}
}
}
if (events) {
Json* frame;
float duration;
spEventTimeline* timeline = spEventTimeline_create(events->size);
for (frame = events->child, i = 0; frame; frame = frame->next, ++i) {
spEvent* event;
const char* stringValue;
spEventData* eventData = spSkeletonData_findEvent(skeletonData, Json_getString(frame, "name", 0));
if (!eventData) {
spAnimation_dispose(animation);
_spSkeletonJson_setError(self, 0, "Event not found: ", Json_getString(frame, "name", 0));
return 0;
}
event = spEvent_create(eventData);
event->intValue = Json_getInt(frame, "int", eventData->intValue);
event->floatValue = Json_getFloat(frame, "float", eventData->floatValue);
stringValue = Json_getString(frame, "string", eventData->stringValue);
if (stringValue) MALLOC_STR(event->stringValue, stringValue);
spEventTimeline_setFrame(timeline, i, Json_getFloat(frame, "time", 0), event);
}
animation->timelines[animation->timelineCount++] = (spTimeline*)timeline;
duration = timeline->frames[events->size - 1];
if (duration > animation->duration) animation->duration = duration;
}
if (drawOrder) {
Json* frame;
float duration;
spDrawOrderTimeline* timeline = spDrawOrderTimeline_create(drawOrder->size, skeletonData->slotCount);
for (frame = drawOrder->child, i = 0; frame; frame = frame->next, ++i) {
int ii;
int* drawOrder = 0;
Json* offsets = Json_getItem(frame, "offsets");
if (offsets) {
Json* offsetMap;
int* unchanged = MALLOC(int, skeletonData->slotCount - offsets->size);
int originalIndex = 0, unchangedIndex = 0;
drawOrder = MALLOC(int, skeletonData->slotCount);
for (ii = skeletonData->slotCount - 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->slotCount)
unchanged[unchangedIndex++] = originalIndex++;
/* Fill in unchanged items. */
for (ii = skeletonData->slotCount - 1; ii >= 0; ii--)
if (drawOrder[ii] == -1) drawOrder[ii] = unchanged[--unchangedIndex];
FREE(unchanged);
}
spDrawOrderTimeline_setFrame(timeline, i, Json_getFloat(frame, "time", 0), drawOrder);
FREE(drawOrder);
}
animation->timelines[animation->timelineCount++] = (spTimeline*)timeline;
duration = timeline->frames[drawOrder->size - 1];
if (duration > animation->duration) animation->duration = duration;
}
return animation;
}
spSkeletonData* spSkeletonJson_readSkeletonDataFile (spSkeletonJson* self, const char* path) {
int length;
spSkeletonData* skeletonData;
const char* json = _spUtil_readFile(path, &length);
if (!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;
spSkeletonData* skeletonData;
Json *root, *bones, *boneMap, *slots, *skins, *animations, *events;
FREE(self->error);
CONST_CAST(char*, self->error) = 0;
root = Json_create(json);
if (!root) {
_spSkeletonJson_setError(self, 0, "Invalid skeleton JSON: ", Json_getError());
return 0;
}
skeletonData = spSkeletonData_create();
bones = Json_getItem(root, "bones");
skeletonData->bones = MALLOC(spBoneData*, bones->size);
for (boneMap = bones->child, i = 0; boneMap; boneMap = boneMap->next, ++i) {
spBoneData* boneData;
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;
}
}
boneData = spBoneData_create(Json_getString(boneMap, "name", 0), parent);
boneData->length = Json_getFloat(boneMap, "length", 0) * self->scale;
boneData->x = Json_getFloat(boneMap, "x", 0) * self->scale;
boneData->y = Json_getFloat(boneMap, "y", 0) * self->scale;
boneData->rotation = Json_getFloat(boneMap, "rotation", 0);
boneData->scaleX = Json_getFloat(boneMap, "scaleX", 1);
boneData->scaleY = Json_getFloat(boneMap, "scaleY", 1);
boneData->inheritScale = Json_getInt(boneMap, "inheritScale", 1);
boneData->inheritRotation = Json_getInt(boneMap, "inheritRotation", 1);
skeletonData->bones[i] = boneData;
++skeletonData->boneCount;
}
slots = Json_getItem(root, "slots");
if (slots) {
Json *slotMap;
skeletonData->slots = MALLOC(spSlotData*, slots->size);
for (slotMap = slots->child, i = 0; slotMap; slotMap = slotMap->next, ++i) {
spSlotData* slotData;
const char* color;
Json *attachmentItem;
const char* boneName = Json_getString(slotMap, "bone", 0);
spBoneData* boneData = spSkeletonData_findBone(skeletonData, boneName);
if (!boneData) {
spSkeletonData_dispose(skeletonData);
_spSkeletonJson_setError(self, root, "spSlot bone not found: ", boneName);
return 0;
}
slotData = spSlotData_create(Json_getString(slotMap, "name", 0), boneData);
color = Json_getString(slotMap, "color", 0);
if (color) {
slotData->r = toColor(color, 0);
slotData->g = toColor(color, 1);
slotData->b = toColor(color, 2);
slotData->a = toColor(color, 3);
}
attachmentItem = Json_getItem(slotMap, "attachment");
if (attachmentItem) spSlotData_setAttachmentName(slotData, attachmentItem->valueString);
slotData->additiveBlending = Json_getInt(slotMap, "additive", 0);
skeletonData->slots[i] = slotData;
++skeletonData->slotCount;
}
}
skins = Json_getItem(root, "skins");
if (skins) {
Json *slotMap;
skeletonData->skins = MALLOC(spSkin*, skins->size);
for (slotMap = skins->child, i = 0; slotMap; slotMap = slotMap->next, ++i) {
Json *attachmentsMap;
spSkin *skin = spSkin_create(slotMap->name);
skeletonData->skins[i] = skin;
++skeletonData->skinCount;
if (strcmp(slotMap->name, "default") == 0) skeletonData->defaultSkin = skin;
for (attachmentsMap = slotMap->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* typeString = Json_getString(attachmentMap, "type", "region");
spAttachmentType type;
if (strcmp(typeString, "region") == 0)
type = ATTACHMENT_REGION;
else if (strcmp(typeString, "boundingbox") == 0)
type = ATTACHMENT_BOUNDING_BOX;
else if (strcmp(typeString, "regionsequence") == 0)
type = ATTACHMENT_REGION_SEQUENCE;
else {
spSkeletonData_dispose(skeletonData);
_spSkeletonJson_setError(self, root, "Unknown attachment type: ", typeString);
return 0;
}
attachment = spAttachmentLoader_newAttachment(self->attachmentLoader, skin, type, attachmentName);
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 ATTACHMENT_REGION:
case ATTACHMENT_REGION_SEQUENCE: {
spRegionAttachment* regionAttachment = (spRegionAttachment*)attachment;
regionAttachment->x = Json_getFloat(attachmentMap, "x", 0) * self->scale;
regionAttachment->y = Json_getFloat(attachmentMap, "y", 0) * self->scale;
regionAttachment->scaleX = Json_getFloat(attachmentMap, "scaleX", 1);
regionAttachment->scaleY = Json_getFloat(attachmentMap, "scaleY", 1);
regionAttachment->rotation = Json_getFloat(attachmentMap, "rotation", 0);
regionAttachment->width = Json_getFloat(attachmentMap, "width", 32) * self->scale;
regionAttachment->height = Json_getFloat(attachmentMap, "height", 32) * self->scale;
spRegionAttachment_updateOffset(regionAttachment);
break;
}
case ATTACHMENT_BOUNDING_BOX: {
spBoundingBoxAttachment* box = (spBoundingBoxAttachment*)attachment;
Json* verticesArray = Json_getItem(attachmentMap, "vertices");
Json* vertex;
int i;
box->verticesCount = verticesArray->size;
box->vertices = MALLOC(float, verticesArray->size);
for (vertex = verticesArray->child, i = 0; vertex; vertex = vertex->next, ++i)
box->vertices[i] = vertex->valueFloat * self->scale;
break;
}
}
spSkin_addAttachment(skin, slotIndex, skinAttachmentName, attachment);
}
}
}
}
/* Events. */
events = Json_getItem(root, "events");
if (events) {
Json *eventMap;
const char* stringValue;
skeletonData->events = MALLOC(spEventData*, events->size);
for (eventMap = events->child; eventMap; eventMap = eventMap->next) {
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[skeletonData->eventCount++] = 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)
_spSkeletonJson_readAnimation(self, animationMap, skeletonData);
}
Json_dispose(root);
return skeletonData;
}
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