NathanSweet 26e4fb0d74 License header update.
2 -> 2.1 (clearer how permission is granted, formatting).
2014-04-23 12:04:43 +02:00

305 lines
11 KiB
C++

/******************************************************************************
* Spine Runtimes Software License
* Version 2.1
*
* Copyright (c) 2013, Esoteric Software
* All rights reserved.
*
* You are granted a perpetual, non-exclusive, non-sublicensable and
* non-transferable license to install, execute and perform the Spine Runtimes
* Software (the "Software") solely for internal use. Without the written
* permission of Esoteric Software (typically granted by licensing Spine), 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 SOFTARE 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/CCSkeleton.h>
#include <spine/spine-cocos2dx.h>
#include <algorithm>
USING_NS_CC;
using std::min;
using std::max;
namespace spine {
CCSkeleton* CCSkeleton::createWithData (spSkeletonData* skeletonData, bool ownsSkeletonData) {
CCSkeleton* node = new CCSkeleton(skeletonData, ownsSkeletonData);
node->autorelease();
return node;
}
CCSkeleton* CCSkeleton::createWithFile (const char* skeletonDataFile, spAtlas* atlas, float scale) {
CCSkeleton* node = new CCSkeleton(skeletonDataFile, atlas, scale);
node->autorelease();
return node;
}
CCSkeleton* CCSkeleton::createWithFile (const char* skeletonDataFile, const char* atlasFile, float scale) {
CCSkeleton* node = new CCSkeleton(skeletonDataFile, atlasFile, scale);
node->autorelease();
return node;
}
void CCSkeleton::initialize () {
atlas = 0;
debugSlots = false;
debugBones = false;
timeScale = 1;
blendFunc.src = GL_ONE;
blendFunc.dst = GL_ONE_MINUS_SRC_ALPHA;
setOpacityModifyRGB(true);
setShaderProgram(CCShaderCache::sharedShaderCache()->programForKey(kCCShader_PositionTextureColor));
scheduleUpdate();
}
void CCSkeleton::setSkeletonData (spSkeletonData *skeletonData, bool ownsSkeletonData) {
skeleton = spSkeleton_create(skeletonData);
rootBone = skeleton->bones[0];
this->ownsSkeletonData = ownsSkeletonData;
}
CCSkeleton::CCSkeleton () {
initialize();
}
CCSkeleton::CCSkeleton (spSkeletonData *skeletonData, bool ownsSkeletonData) {
initialize();
setSkeletonData(skeletonData, ownsSkeletonData);
}
CCSkeleton::CCSkeleton (const char* skeletonDataFile, spAtlas* atlas, float scale) {
initialize();
spSkeletonJson* json = spSkeletonJson_create(atlas);
json->scale = scale == 0 ? (1 / CCDirector::sharedDirector()->getContentScaleFactor()) : scale;
spSkeletonData* skeletonData = spSkeletonJson_readSkeletonDataFile(json, skeletonDataFile);
CCAssert(skeletonData, json->error ? json->error : "Error reading skeleton data.");
spSkeletonJson_dispose(json);
setSkeletonData(skeletonData, true);
}
CCSkeleton::CCSkeleton (const char* skeletonDataFile, const char* atlasFile, float scale) {
initialize();
atlas = spAtlas_readAtlasFile(atlasFile);
CCAssert(atlas, "Error reading atlas file.");
spSkeletonJson* json = spSkeletonJson_create(atlas);
json->scale = scale == 0 ? (1 / CCDirector::sharedDirector()->getContentScaleFactor()) : scale;
spSkeletonData* skeletonData = spSkeletonJson_readSkeletonDataFile(json, skeletonDataFile);
CCAssert(skeletonData, json->error ? json->error : "Error reading skeleton data file.");
spSkeletonJson_dispose(json);
setSkeletonData(skeletonData, true);
}
CCSkeleton::~CCSkeleton () {
if (ownsSkeletonData) spSkeletonData_dispose(skeleton->data);
if (atlas) spAtlas_dispose(atlas);
spSkeleton_dispose(skeleton);
}
void CCSkeleton::update (float deltaTime) {
spSkeleton_update(skeleton, deltaTime * timeScale);
}
void CCSkeleton::draw () {
CC_NODE_DRAW_SETUP();
ccGLBlendFunc(blendFunc.src, blendFunc.dst);
ccColor3B color = getColor();
skeleton->r = color.r / (float)255;
skeleton->g = color.g / (float)255;
skeleton->b = color.b / (float)255;
skeleton->a = getOpacity() / (float)255;
int additive = 0;
CCTextureAtlas* textureAtlas = 0;
ccV3F_C4B_T2F_Quad quad;
quad.tl.vertices.z = 0;
quad.tr.vertices.z = 0;
quad.bl.vertices.z = 0;
quad.br.vertices.z = 0;
for (int i = 0, n = skeleton->slotCount; i < n; i++) {
spSlot* slot = skeleton->drawOrder[i];
if (!slot->attachment || slot->attachment->type != ATTACHMENT_REGION) continue;
spRegionAttachment* attachment = (spRegionAttachment*)slot->attachment;
CCTextureAtlas* regionTextureAtlas = getTextureAtlas(attachment);
if (slot->data->additiveBlending != additive) {
if (textureAtlas) {
textureAtlas->drawQuads();
textureAtlas->removeAllQuads();
}
additive = !additive;
ccGLBlendFunc(blendFunc.src, additive ? GL_ONE : blendFunc.dst);
} else if (regionTextureAtlas != textureAtlas && textureAtlas) {
textureAtlas->drawQuads();
textureAtlas->removeAllQuads();
}
textureAtlas = regionTextureAtlas;
int quadCount = textureAtlas->getTotalQuads();
if (textureAtlas->getCapacity() == quadCount) {
textureAtlas->drawQuads();
textureAtlas->removeAllQuads();
if (!textureAtlas->resizeCapacity(textureAtlas->getCapacity() * 2)) return;
}
spRegionAttachment_updateQuad(attachment, slot, &quad, premultipliedAlpha);
textureAtlas->updateQuad(&quad, quadCount);
}
if (textureAtlas) {
textureAtlas->drawQuads();
textureAtlas->removeAllQuads();
}
if (debugSlots) {
// Slots.
ccDrawColor4B(0, 0, 255, 255);
glLineWidth(1);
CCPoint points[4];
ccV3F_C4B_T2F_Quad quad;
for (int i = 0, n = skeleton->slotCount; i < n; i++) {
spSlot* slot = skeleton->drawOrder[i];
if (!slot->attachment || slot->attachment->type != ATTACHMENT_REGION) continue;
spRegionAttachment* attachment = (spRegionAttachment*)slot->attachment;
spRegionAttachment_updateQuad(attachment, slot, &quad);
points[0] = ccp(quad.bl.vertices.x, quad.bl.vertices.y);
points[1] = ccp(quad.br.vertices.x, quad.br.vertices.y);
points[2] = ccp(quad.tr.vertices.x, quad.tr.vertices.y);
points[3] = ccp(quad.tl.vertices.x, quad.tl.vertices.y);
ccDrawPoly(points, 4, true);
}
}
if (debugBones) {
// Bone lengths.
glLineWidth(2);
ccDrawColor4B(255, 0, 0, 255);
for (int i = 0, n = skeleton->boneCount; i < n; i++) {
spBone *bone = skeleton->bones[i];
float x = bone->data->length * bone->m00 + bone->worldX;
float y = bone->data->length * bone->m10 + bone->worldY;
ccDrawLine(ccp(bone->worldX, bone->worldY), ccp(x, y));
}
// Bone origins.
ccPointSize(4);
ccDrawColor4B(0, 0, 255, 255); // Root bone is blue.
for (int i = 0, n = skeleton->boneCount; i < n; i++) {
spBone *bone = skeleton->bones[i];
ccDrawPoint(ccp(bone->worldX, bone->worldY));
if (i == 0) ccDrawColor4B(0, 255, 0, 255);
}
}
}
CCTextureAtlas* CCSkeleton::getTextureAtlas (spRegionAttachment* regionAttachment) const {
return (CCTextureAtlas*)((spAtlasRegion*)regionAttachment->rendererObject)->page->rendererObject;
}
CCRect CCSkeleton::boundingBox () {
float minX = FLT_MAX, minY = FLT_MAX, maxX = FLT_MIN, maxY = FLT_MIN;
float scaleX = getScaleX();
float scaleY = getScaleY();
float vertices[8];
for (int i = 0; i < skeleton->slotCount; ++i) {
spSlot* slot = skeleton->slots[i];
if (!slot->attachment || slot->attachment->type != ATTACHMENT_REGION) continue;
spRegionAttachment* attachment = (spRegionAttachment*)slot->attachment;
spRegionAttachment_computeWorldVertices(attachment, slot->skeleton->x, slot->skeleton->y, slot->bone, vertices);
minX = min(minX, vertices[VERTEX_X1] * scaleX);
minY = min(minY, vertices[VERTEX_Y1] * scaleY);
maxX = max(maxX, vertices[VERTEX_X1] * scaleX);
maxY = max(maxY, vertices[VERTEX_Y1] * scaleY);
minX = min(minX, vertices[VERTEX_X4] * scaleX);
minY = min(minY, vertices[VERTEX_Y4] * scaleY);
maxX = max(maxX, vertices[VERTEX_X4] * scaleX);
maxY = max(maxY, vertices[VERTEX_Y4] * scaleY);
minX = min(minX, vertices[VERTEX_X2] * scaleX);
minY = min(minY, vertices[VERTEX_Y2] * scaleY);
maxX = max(maxX, vertices[VERTEX_X2] * scaleX);
maxY = max(maxY, vertices[VERTEX_Y2] * scaleY);
minX = min(minX, vertices[VERTEX_X3] * scaleX);
minY = min(minY, vertices[VERTEX_Y3] * scaleY);
maxX = max(maxX, vertices[VERTEX_X3] * scaleX);
maxY = max(maxY, vertices[VERTEX_Y3] * scaleY);
}
CCPoint position = getPosition();
return CCRectMake(position.x + minX, position.y + minY, maxX - minX, maxY - minY);
}
// --- Convenience methods for Skeleton_* functions.
void CCSkeleton::updateWorldTransform () {
spSkeleton_updateWorldTransform(skeleton);
}
void CCSkeleton::setToSetupPose () {
spSkeleton_setToSetupPose(skeleton);
}
void CCSkeleton::setBonesToSetupPose () {
spSkeleton_setBonesToSetupPose(skeleton);
}
void CCSkeleton::setSlotsToSetupPose () {
spSkeleton_setSlotsToSetupPose(skeleton);
}
spBone* CCSkeleton::findBone (const char* boneName) const {
return spSkeleton_findBone(skeleton, boneName);
}
spSlot* CCSkeleton::findSlot (const char* slotName) const {
return spSkeleton_findSlot(skeleton, slotName);
}
bool CCSkeleton::setSkin (const char* skinName) {
return spSkeleton_setSkinByName(skeleton, skinName) ? true : false;
}
spAttachment* CCSkeleton::getAttachment (const char* slotName, const char* attachmentName) const {
return spSkeleton_getAttachmentForSlotName(skeleton, slotName, attachmentName);
}
bool CCSkeleton::setAttachment (const char* slotName, const char* attachmentName) {
return spSkeleton_setAttachment(skeleton, slotName, attachmentName) ? true : false;
}
// --- CCBlendProtocol
ccBlendFunc CCSkeleton::getBlendFunc () {
return blendFunc;
}
void CCSkeleton::setBlendFunc (ccBlendFunc blendFunc) {
this->blendFunc = blendFunc;
}
void CCSkeleton::setOpacityModifyRGB (bool value) {
premultipliedAlpha = value;
}
bool CCSkeleton::isOpacityModifyRGB () {
return premultipliedAlpha;
}
}