2019-11-23 20:27:39 +08:00
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/****************************************************************************
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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) 2013-2016 Chukong Technologies Inc.
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Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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2021-12-25 10:04:45 +08:00
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2022-10-01 16:24:52 +08:00
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https://axmolengine.github.io/
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2019-11-23 20:27:39 +08:00
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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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2023-06-11 13:08:08 +08:00
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#include "2d/AtlasNode.h"
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#include <stddef.h> // offsetof
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#include "base/Types.h"
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#include "renderer/TextureAtlas.h"
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#include "base/Director.h"
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#include "renderer/TextureCache.h"
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#include "base/Utils.h"
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#include "renderer/Shaders.h"
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#include "renderer/Renderer.h"
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#include "renderer/backend/ProgramState.h"
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2022-07-11 17:50:21 +08:00
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NS_AX_BEGIN
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2019-11-23 20:27:39 +08:00
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// implementation AtlasNode
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// AtlasNode - Creation & Init
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AtlasNode::~AtlasNode()
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{
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AX_SAFE_RELEASE(_textureAtlas);
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}
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2021-12-31 12:12:40 +08:00
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AtlasNode* AtlasNode::create(std::string_view 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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AX_SAFE_DELETE(ret);
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return nullptr;
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}
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bool AtlasNode::initWithTileFile(std::string_view tile, int tileWidth, int tileHeight, int itemsToRender)
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{
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AXASSERT(!tile.empty(), "file size should not be empty");
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Texture2D* texture = _director->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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setProgramStateWithRegistry(backend::ProgramType::POSITION_TEXTURE_COLOR, texture);
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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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return true;
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}
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bool AtlasNode::setProgramState(backend::ProgramState* programState, bool ownPS /*= false*/)
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{
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if (Node::setProgramState(programState, ownPS))
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{
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auto& pipelineDescriptor = _quadCommand.getPipelineDescriptor();
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pipelineDescriptor.programState = _programState;
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_mvpMatrixLocation = _programState->getUniformLocation("u_MVPMatrix");
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updateProgramStateTexture(_textureAtlas->getTexture());
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return true;
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}
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return false;
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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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Vec2 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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AXASSERT(false, "CCAtlasNode:Abstract updateAtlasValue not overridden");
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}
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// AtlasNode - draw
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void AtlasNode::draw(Renderer* renderer, const Mat4& transform, uint32_t flags)
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{
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if (_textureAtlas->getTotalQuads() == 0)
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return;
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2019-11-23 20:27:39 +08:00
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auto programState = _quadCommand.getPipelineDescriptor().programState;
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2021-04-22 22:01:47 +08:00
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const auto& projectionMat = _director->getMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_PROJECTION);
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programState->setUniform(_mvpMatrixLocation, projectionMat.m, sizeof(projectionMat.m));
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_quadCommand.init(_globalZOrder, _textureAtlas->getTexture(), _blendFunc, _textureAtlas->getQuads(), _quadsToDraw,
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transform, flags);
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renderer->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(uint8_t 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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if (_ignoreContentScaleFactor != ignoreContentScaleFactor)
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{
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2020-09-16 13:34:20 +08:00
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_ignoreContentScaleFactor = ignoreContentScaleFactor;
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this->calculateMaxItems();
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2020-09-22 16:35:24 +08:00
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this->updateAtlasValues();
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auto label = dynamic_cast<LabelProtocol*>(this);
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if (label)
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{
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Vec2 s = Vec2(static_cast<float>(label->getString().size() * _itemWidth), static_cast<float>(_itemHeight));
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2020-09-22 16:35:24 +08:00
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this->setContentSize(s);
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}
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2020-09-16 13:34:20 +08:00
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}
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2019-11-23 20:27:39 +08:00
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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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{
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_blendFunc = BlendFunc::ALPHA_NON_PREMULTIPLIED;
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setOpacityModifyRGB(false);
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}
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else
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{
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_blendFunc = BlendFunc::ALPHA_PREMULTIPLIED;
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setOpacityModifyRGB(true);
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}
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}
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2021-12-25 10:04:45 +08:00
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void AtlasNode::setTexture(Texture2D* texture)
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{
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_textureAtlas->setTexture(texture);
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updateProgramStateTexture(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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AX_SAFE_RETAIN(textureAtlas);
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AX_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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size_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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2022-07-11 17:50:21 +08:00
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NS_AX_END
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