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

336 lines
12 KiB
C++

/******************************************************************************
* 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/CCSkeleton.h>
#include <spine/spine-cocos2dx.h>
USING_NS_CC;
using std::min;
using std::max;
namespace spine {
Skeleton* Skeleton::createWithData (spSkeletonData* skeletonData, bool isOwnsSkeletonData) {
Skeleton* node = new Skeleton(skeletonData, isOwnsSkeletonData);
node->autorelease();
return node;
}
Skeleton* Skeleton::createWithFile (const char* skeletonDataFile, spAtlas* atlas, float scale) {
Skeleton* node = new Skeleton(skeletonDataFile, atlas, scale);
node->autorelease();
return node;
}
Skeleton* Skeleton::createWithFile (const char* skeletonDataFile, const char* atlasFile, float scale) {
Skeleton* node = new Skeleton(skeletonDataFile, atlasFile, scale);
node->autorelease();
return node;
}
void Skeleton::initialize () {
atlas = 0;
debugSlots = false;
debugBones = false;
timeScale = 1;
blendFunc.src = BlendFunc::ALPHA_PREMULTIPLIED.src;
blendFunc.dst = BlendFunc::ALPHA_PREMULTIPLIED.dst;
setOpacityModifyRGB(true);
setShaderProgram(ShaderCache::getInstance()->getProgram(GLProgram::SHADER_NAME_POSITION_TEXTURE_COLOR));
scheduleUpdate();
}
void Skeleton::setSkeletonData (spSkeletonData *skeletonData, bool isOwnsSkeletonData) {
skeleton = spSkeleton_create(skeletonData);
rootBone = skeleton->bones[0];
this->ownsSkeletonData = isOwnsSkeletonData;
}
Skeleton::Skeleton () {
initialize();
}
Skeleton::Skeleton (spSkeletonData *skeletonData, bool isOwnsSkeletonData) {
initialize();
setSkeletonData(skeletonData, isOwnsSkeletonData);
}
Skeleton::Skeleton (const char* skeletonDataFile, spAtlas* aAtlas, float scale) {
initialize();
spSkeletonJson* json = spSkeletonJson_create(aAtlas);
json->scale = scale == 0 ? (1 / Director::getInstance()->getContentScaleFactor()) : scale;
spSkeletonData* skeletonData = spSkeletonJson_readSkeletonDataFile(json, skeletonDataFile);
CCAssert(skeletonData, json->error ? json->error : "Error reading skeleton data.");
spSkeletonJson_dispose(json);
setSkeletonData(skeletonData, true);
}
Skeleton::Skeleton (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 / Director::getInstance()->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);
}
Skeleton::~Skeleton () {
if (ownsSkeletonData) spSkeletonData_dispose(skeleton->data);
if (atlas) spAtlas_dispose(atlas);
spSkeleton_dispose(skeleton);
}
void Skeleton::update (float deltaTime) {
spSkeleton_update(skeleton, deltaTime * timeScale);
}
void Skeleton::draw()
{
kmGLMatrixMode(KM_GL_MODELVIEW);
kmGLGetMatrix(KM_GL_MODELVIEW, &_oldTransMatrix);
_customCommand.init(_vertexZ);
_customCommand.func = CC_CALLBACK_0(Skeleton::onDraw, this);
Director::getInstance()->getRenderer()->addCommand(&_customCommand);
}
void Skeleton::onDraw ()
{
kmGLMatrixMode(KM_GL_MODELVIEW);
kmGLPushMatrix();
kmGLLoadMatrix(&_oldTransMatrix);
CC_NODE_DRAW_SETUP();
GL::blendFunc(blendFunc.src, blendFunc.dst);
Color3B 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;
if (premultipliedAlpha) {
skeleton->r *= skeleton->a;
skeleton->g *= skeleton->a;
skeleton->b *= skeleton->a;
}
int additive = 0;
TextureAtlas* textureAtlas = 0;
V3F_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;
TextureAtlas* regionTextureAtlas = getTextureAtlas(attachment);
if (slot->data->additiveBlending != additive) {
if (textureAtlas) {
textureAtlas->drawQuads();
textureAtlas->removeAllQuads();
}
additive = !additive;
GL::blendFunc(blendFunc.src, additive ? GL_ONE : blendFunc.dst);
} else if (regionTextureAtlas != textureAtlas && textureAtlas) {
textureAtlas->drawQuads();
textureAtlas->removeAllQuads();
}
textureAtlas = regionTextureAtlas;
setFittedBlendingFunc(textureAtlas);
ssize_t 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.
DrawPrimitives::setDrawColor4B(0, 0, 255, 255);
glLineWidth(1);
Point points[4];
V3F_C4B_T2F_Quad tmpQuad;
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, &tmpQuad);
points[0] = Point(tmpQuad.bl.vertices.x, tmpQuad.bl.vertices.y);
points[1] = Point(tmpQuad.br.vertices.x, tmpQuad.br.vertices.y);
points[2] = Point(tmpQuad.tr.vertices.x, tmpQuad.tr.vertices.y);
points[3] = Point(tmpQuad.tl.vertices.x, tmpQuad.tl.vertices.y);
DrawPrimitives::drawPoly(points, 4, true);
}
}
if (debugBones) {
// Bone lengths.
glLineWidth(2);
DrawPrimitives::setDrawColor4B(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;
DrawPrimitives::drawLine(Point(bone->worldX, bone->worldY), Point(x, y));
}
// Bone origins.
DrawPrimitives::setPointSize(4);
DrawPrimitives::setDrawColor4B(0, 0, 255, 255); // Root bone is blue.
for (int i = 0, n = skeleton->boneCount; i < n; i++) {
spBone *bone = skeleton->bones[i];
DrawPrimitives::drawPoint(Point(bone->worldX, bone->worldY));
if (i == 0) DrawPrimitives::setDrawColor4B(0, 255, 0, 255);
}
}
kmGLMatrixMode(KM_GL_MODELVIEW);
kmGLPopMatrix();
}
TextureAtlas* Skeleton::getTextureAtlas (spRegionAttachment* regionAttachment) const {
return (TextureAtlas*)((spAtlasRegion*)regionAttachment->rendererObject)->page->rendererObject;
}
Rect Skeleton::getBoundingBox () const {
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);
}
Point position = getPosition();
return Rect(position.x + minX, position.y + minY, maxX - minX, maxY - minY);
}
// --- Convenience methods for Skeleton_* functions.
void Skeleton::updateWorldTransform () {
spSkeleton_updateWorldTransform(skeleton);
}
void Skeleton::setToSetupPose () {
spSkeleton_setToSetupPose(skeleton);
}
void Skeleton::setBonesToSetupPose () {
spSkeleton_setBonesToSetupPose(skeleton);
}
void Skeleton::setSlotsToSetupPose () {
spSkeleton_setSlotsToSetupPose(skeleton);
}
spBone* Skeleton::findBone (const char* boneName) const {
return spSkeleton_findBone(skeleton, boneName);
}
spSlot* Skeleton::findSlot (const char* slotName) const {
return spSkeleton_findSlot(skeleton, slotName);
}
bool Skeleton::setSkin (const char* skinName) {
return spSkeleton_setSkinByName(skeleton, skinName) ? true : false;
}
spAttachment* Skeleton::getAttachment (const char* slotName, const char* attachmentName) const {
return spSkeleton_getAttachmentForSlotName(skeleton, slotName, attachmentName);
}
bool Skeleton::setAttachment (const char* slotName, const char* attachmentName) {
return spSkeleton_setAttachment(skeleton, slotName, attachmentName) ? true : false;
}
// --- CCBlendProtocol
const cocos2d::BlendFunc& Skeleton::getBlendFunc () const {
return blendFunc;
}
void Skeleton::setBlendFunc (const cocos2d::BlendFunc& aBlendFunc) {
this->blendFunc = aBlendFunc;
}
void Skeleton::setFittedBlendingFunc(cocos2d::TextureAtlas * nextRenderedTexture)
{
if(nextRenderedTexture->getTexture() && nextRenderedTexture->getTexture()->hasPremultipliedAlpha())
{
GL::blendFunc(BlendFunc::ALPHA_PREMULTIPLIED.src, BlendFunc::ALPHA_PREMULTIPLIED.dst);
}
else
{
GL::blendFunc(BlendFunc::ALPHA_NON_PREMULTIPLIED.src, BlendFunc::ALPHA_NON_PREMULTIPLIED.dst);
}
}
}