mirror of https://github.com/axmolengine/axmol.git
277 lines
7.0 KiB
C++
277 lines
7.0 KiB
C++
/****************************************************************************
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Copyright (c) 2008-2010 Ricardo Quesada
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Copyright (c) 2010-2012 cocos2d-x.org
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Copyright (c) 2011 Zynga Inc.
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CopyRight (c) 2013-2014 Chukong Technologies Inc.
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "CCAtlasNode.h"
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#include "CCTextureAtlas.h"
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#include "CCTextureCache.h"
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#include "CCDirector.h"
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#include "CCGLProgram.h"
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#include "CCShaderCache.h"
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#include "ccGLStateCache.h"
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#include "CCDirector.h"
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#include "TransformUtils.h"
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#include "CCRenderer.h"
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#include "renderer/CCQuadCommand.h"
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// external
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#include "kazmath/GL/matrix.h"
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NS_CC_BEGIN
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// implementation AtlasNode
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// AtlasNode - Creation & Init
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AtlasNode::AtlasNode()
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: _itemsPerRow(0)
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, _itemsPerColumn(0)
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, _itemWidth(0)
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, _itemHeight(0)
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, _textureAtlas(nullptr)
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, _isOpacityModifyRGB(false)
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, _quadsToDraw(0)
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, _uniformColor(0)
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, _ignoreContentScaleFactor(false)
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{
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}
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AtlasNode::~AtlasNode()
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{
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CC_SAFE_RELEASE(_textureAtlas);
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}
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AtlasNode * AtlasNode::create(const std::string& tile, int tileWidth, int tileHeight, int itemsToRender)
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{
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AtlasNode * ret = new AtlasNode();
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if (ret->initWithTileFile(tile, tileWidth, tileHeight, itemsToRender))
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{
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ret->autorelease();
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return ret;
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}
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CC_SAFE_DELETE(ret);
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return nullptr;
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}
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bool AtlasNode::initWithTileFile(const std::string& tile, int tileWidth, int tileHeight, int itemsToRender)
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{
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CCASSERT(tile.size() > 0, "file size should not be empty");
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Texture2D *texture = Director::getInstance()->getTextureCache()->addImage(tile);
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return initWithTexture(texture, tileWidth, tileHeight, itemsToRender);
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}
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bool AtlasNode::initWithTexture(Texture2D* texture, int tileWidth, int tileHeight, int itemsToRender)
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{
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_itemWidth = tileWidth;
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_itemHeight = tileHeight;
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_colorUnmodified = Color3B::WHITE;
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_isOpacityModifyRGB = true;
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_blendFunc = BlendFunc::ALPHA_PREMULTIPLIED;
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_textureAtlas = new TextureAtlas();
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_textureAtlas->initWithTexture(texture, itemsToRender);
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if (! _textureAtlas)
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{
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CCLOG("cocos2d: Could not initialize AtlasNode. Invalid Texture.");
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return false;
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}
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this->updateBlendFunc();
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this->updateOpacityModifyRGB();
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this->calculateMaxItems();
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_quadsToDraw = itemsToRender;
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// shader stuff
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setShaderProgram(ShaderCache::getInstance()->getProgram(GLProgram::SHADER_NAME_POSITION_TEXTURE_U_COLOR));
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_uniformColor = glGetUniformLocation( getShaderProgram()->getProgram(), "u_color");
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return true;
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}
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// AtlasNode - Atlas generation
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void AtlasNode::calculateMaxItems()
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{
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Size s = _textureAtlas->getTexture()->getContentSize();
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if (_ignoreContentScaleFactor)
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{
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s = _textureAtlas->getTexture()->getContentSizeInPixels();
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}
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_itemsPerColumn = (int)(s.height / _itemHeight);
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_itemsPerRow = (int)(s.width / _itemWidth);
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}
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void AtlasNode::updateAtlasValues()
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{
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CCASSERT(false, "CCAtlasNode:Abstract updateAtlasValue not overridden");
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}
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// AtlasNode - draw
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void AtlasNode::draw(void)
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{
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// CC_NODE_DRAW_SETUP();
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//
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// GL::blendFunc( _blendFunc.src, _blendFunc.dst );
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//
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// GLfloat colors[4] = {_displayedColor.r / 255.0f, _displayedColor.g / 255.0f, _displayedColor.b / 255.0f, _displayedOpacity / 255.0f};
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// getShaderProgram()->setUniformLocationWith4fv(_uniformColor, colors, 1);
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//
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// _textureAtlas->drawNumberOfQuads(_quadsToDraw, 0);
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auto shader = ShaderCache::getInstance()->getProgram(GLProgram::SHADER_NAME_POSITION_TEXTURE_COLOR_NO_MVP);
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_quadCommand.init(0,
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_vertexZ,
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_textureAtlas->getTexture()->getName(),
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shader,
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_blendFunc,
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_textureAtlas->getQuads(),
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_quadsToDraw,
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_modelViewTransform);
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Director::getInstance()->getRenderer()->addCommand(&_quadCommand);
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}
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// AtlasNode - RGBA protocol
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const Color3B& AtlasNode::getColor() const
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{
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if(_isOpacityModifyRGB)
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{
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return _colorUnmodified;
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}
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return Node::getColor();
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}
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void AtlasNode::setColor(const Color3B& color3)
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{
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Color3B tmp = color3;
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_colorUnmodified = color3;
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if( _isOpacityModifyRGB )
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{
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tmp.r = tmp.r * _displayedOpacity/255;
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tmp.g = tmp.g * _displayedOpacity/255;
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tmp.b = tmp.b * _displayedOpacity/255;
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}
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Node::setColor(tmp);
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}
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void AtlasNode::setOpacity(GLubyte opacity)
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{
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Node::setOpacity(opacity);
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// special opacity for premultiplied textures
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if( _isOpacityModifyRGB )
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this->setColor(_colorUnmodified);
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}
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void AtlasNode::setOpacityModifyRGB(bool value)
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{
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Color3B oldColor = this->getColor();
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_isOpacityModifyRGB = value;
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this->setColor(oldColor);
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}
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bool AtlasNode::isOpacityModifyRGB() const
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{
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return _isOpacityModifyRGB;
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}
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void AtlasNode::updateOpacityModifyRGB()
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{
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_isOpacityModifyRGB = _textureAtlas->getTexture()->hasPremultipliedAlpha();
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}
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void AtlasNode::setIgnoreContentScaleFactor(bool ignoreContentScaleFactor)
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{
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_ignoreContentScaleFactor = ignoreContentScaleFactor;
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}
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// AtlasNode - CocosNodeTexture protocol
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const BlendFunc& AtlasNode::getBlendFunc() const
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{
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return _blendFunc;
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}
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void AtlasNode::setBlendFunc(const BlendFunc &blendFunc)
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{
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_blendFunc = blendFunc;
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}
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void AtlasNode::updateBlendFunc()
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{
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if( ! _textureAtlas->getTexture()->hasPremultipliedAlpha() )
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_blendFunc = BlendFunc::ALPHA_NON_PREMULTIPLIED;
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}
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void AtlasNode::setTexture(Texture2D *texture)
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{
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_textureAtlas->setTexture(texture);
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this->updateBlendFunc();
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this->updateOpacityModifyRGB();
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}
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Texture2D * AtlasNode::getTexture() const
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{
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return _textureAtlas->getTexture();
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}
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void AtlasNode::setTextureAtlas(TextureAtlas* textureAtlas)
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{
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CC_SAFE_RETAIN(textureAtlas);
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CC_SAFE_RELEASE(_textureAtlas);
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_textureAtlas = textureAtlas;
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}
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TextureAtlas * AtlasNode::getTextureAtlas() const
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{
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return _textureAtlas;
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}
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ssize_t AtlasNode::getQuadsToDraw() const
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{
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return _quadsToDraw;
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}
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void AtlasNode::setQuadsToDraw(ssize_t quadsToDraw)
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{
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_quadsToDraw = quadsToDraw;
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}
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NS_CC_END
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