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85 lines
2.6 KiB
C++
85 lines
2.6 KiB
C++
#include "util.hpp"
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#include <osg/Node>
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#include <osg/ValueObject>
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#include <osg/RenderInfo>
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#include <components/resource/resourcesystem.hpp>
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#include <components/resource/imagemanager.hpp>
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#include <components/misc/resourcehelpers.hpp>
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#include <components/sceneutil/visitor.hpp>
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namespace MWRender
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{
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class TextureOverrideVisitor : public osg::NodeVisitor
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{
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public:
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TextureOverrideVisitor(const std::string& texture, Resource::ResourceSystem* resourcesystem)
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: osg::NodeVisitor(TRAVERSE_ALL_CHILDREN)
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, mTexture(texture)
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, mResourcesystem(resourcesystem)
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{
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}
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void apply(osg::Node& node) override
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{
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int index = 0;
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osg::ref_ptr<osg::Node> nodePtr(&node);
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if (node.getUserValue("overrideFx", index))
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{
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if (index == 1)
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overrideTexture(mTexture, mResourcesystem, nodePtr);
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}
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traverse(node);
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}
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std::string mTexture;
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Resource::ResourceSystem* mResourcesystem;
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};
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void overrideFirstRootTexture(const std::string &texture, Resource::ResourceSystem *resourceSystem, osg::ref_ptr<osg::Node> node)
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{
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TextureOverrideVisitor overrideVisitor(texture, resourceSystem);
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node->accept(overrideVisitor);
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}
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void overrideTexture(const std::string &texture, Resource::ResourceSystem *resourceSystem, osg::ref_ptr<osg::Node> node)
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{
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if (texture.empty())
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return;
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std::string correctedTexture = Misc::ResourceHelpers::correctTexturePath(texture, resourceSystem->getVFS());
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// Not sure if wrap settings should be pulled from the overridden texture?
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osg::ref_ptr<osg::Texture2D> tex = new osg::Texture2D(resourceSystem->getImageManager()->getImage(correctedTexture));
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tex->setWrap(osg::Texture::WRAP_S, osg::Texture::CLAMP_TO_EDGE);
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tex->setWrap(osg::Texture::WRAP_T, osg::Texture::CLAMP_TO_EDGE);
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tex->setName("diffuseMap");
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osg::ref_ptr<osg::StateSet> stateset;
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if (node->getStateSet())
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stateset = new osg::StateSet(*node->getStateSet(), osg::CopyOp::SHALLOW_COPY);
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else
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stateset = new osg::StateSet;
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stateset->setTextureAttribute(0, tex, osg::StateAttribute::OVERRIDE);
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node->setStateSet(stateset);
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}
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MipmapCallback::~MipmapCallback()
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{
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}
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void MipmapCallback::operator()(osg::RenderInfo& renderInfo) const
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{
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auto* gl = renderInfo.getState()->get<osg::GLExtensions>();
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auto* tex = mTexture->getTextureObject(renderInfo.getContextID());
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if (tex)
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{
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tex->bind();
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gl->glGenerateMipmap(tex->target());
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}
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}
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}
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