axmol/cocos/2d/CCNewSprite.cpp

122 lines
3.0 KiB
C++

//
// CCNewSprite.cpp
// cocos2d_libs
//
// Created by NiTe Luo on 10/31/13.
//
//
#include "CCNewSprite.h"
#include "RenderCommand.h"
#include "Renderer.h"
#include "QuadCommand.h"
NS_CC_BEGIN
#if CC_SPRITEBATCHNODE_RENDER_SUBPIXEL
#define RENDER_IN_SUBPIXEL
#else
#define RENDER_IN_SUBPIXEL(__ARGS__) (ceil(__ARGS__))
#endif
NewSprite* NewSprite::create()
{
NewSprite* sprite = new NewSprite();
if(sprite && sprite->init())
{
sprite->autorelease();
return sprite;
}
CC_SAFE_DELETE(sprite);
return NULL;
}
NewSprite* NewSprite::create(const char *filename)
{
NewSprite* sprite = new NewSprite();
if(sprite && sprite->initWithFile(filename))
{
sprite->autorelease();
return sprite;
}
CC_SAFE_DELETE(sprite);
return NULL;
}
NewSprite::NewSprite()
:Sprite()
{
}
NewSprite::~NewSprite(void)
{
}
void NewSprite::updateTransform()
{
if(_dirty)
{
if(!_visible)
{
_quad.br.vertices = _quad.tl.vertices = _quad.tr.vertices = _quad.bl.vertices = Vertex3F(0,0,0);
_shouldBeHidden = true;
}
else
{
_shouldBeHidden = false;
//TODO optimize this transformation, should use parent's transformation instead
_transformToBatch = getNodeToWorldTransform();
//
// calculate the Quad based on the Affine Matrix
//
Size size = _rect.size;
float x1 = _offsetPosition.x;
float y1 = _offsetPosition.y;
float x2 = x1 + size.width;
float y2 = y1 + size.height;
float x = _transformToBatch.tx;
float y = _transformToBatch.ty;
float cr = _transformToBatch.a;
float sr = _transformToBatch.b;
float cr2 = _transformToBatch.d;
float sr2 = -_transformToBatch.c;
float ax = x1 * cr - y1 * sr2 + x;
float ay = x1 * sr + y1 * cr2 + y;
float bx = x2 * cr - y1 * sr2 + x;
float by = x2 * sr + y1 * cr2 + y;
float cx = x2 * cr - y2 * sr2 + x;
float cy = x2 * sr + y2 * cr2 + y;
float dx = x1 * cr - y2 * sr2 + x;
float dy = x1 * sr + y2 * cr2 + y;
_quad.bl.vertices = Vertex3F( RENDER_IN_SUBPIXEL(ax), RENDER_IN_SUBPIXEL(ay), _vertexZ );
_quad.br.vertices = Vertex3F( RENDER_IN_SUBPIXEL(bx), RENDER_IN_SUBPIXEL(by), _vertexZ );
_quad.tl.vertices = Vertex3F( RENDER_IN_SUBPIXEL(dx), RENDER_IN_SUBPIXEL(dy), _vertexZ );
_quad.tr.vertices = Vertex3F( RENDER_IN_SUBPIXEL(cx), RENDER_IN_SUBPIXEL(cy), _vertexZ );
}
}
_recursiveDirty = false;
setDirty(false);
}
void NewSprite::draw(void)
{
updateTransform();
//TODO implement z order
QuadCommand* renderCommand = new QuadCommand(0, _vertexZ, _texture->getName(), _shaderProgram, _blendFunc, &_quad, 1);
Renderer::getInstance()->addCommand(renderCommand);
}
NS_CC_END