453 lines
11 KiB
C++
453 lines
11 KiB
C++
#include "irrlichtwrapper.h"
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#include "constants.h"
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#include "string.h"
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#include "strfnd.h"
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IrrlichtWrapper::IrrlichtWrapper(IrrlichtDevice *device)
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{
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m_running = true;
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m_main_thread = get_current_thread_id();
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m_device_mutex.Init();
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m_device = device;
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}
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IrrlichtWrapper::~IrrlichtWrapper()
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{
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#if 0
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// Clear image cache
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for(core::map<std::string, video::IImage*>::Iterator
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i = m_imagecache.getIterator();
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i.atEnd() == false; i++)
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{
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i.getNode()->getValue()->drop();
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}
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#endif
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}
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void IrrlichtWrapper::Run()
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{
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#if 0
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/*
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Fetch textures
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*/
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if(m_get_texture_queue.size() > 0)
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{
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GetRequest<TextureSpec, video::ITexture*, u8, u8>
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request = m_get_texture_queue.pop();
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dstream<<"got texture request with"
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<<" key.tids[0]="<<request.key.tids[0]
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<<" [1]="<<request.key.tids[1]
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<<std::endl;
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GetResult<TextureSpec, video::ITexture*, u8, u8>
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result;
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result.key = request.key;
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result.callers = request.callers;
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result.item = getTextureDirect(request.key);
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request.dest->push_back(result);
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}
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#endif
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}
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void IrrlichtWrapper::Shutdown(bool shutdown)
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{
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m_running = !shutdown;
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}
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IrrlichtDevice* IrrlichtWrapper::getDevice()
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{
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if(get_current_thread_id() != m_main_thread)
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{
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dstream<<"WARNING: IrrlichtWrapper::getDevice() called "
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"not from main thread"<<std::endl;
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return NULL;
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}
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return m_device;
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}
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#if 0
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textureid_t IrrlichtWrapper::getTextureId(const std::string &name)
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{
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u32 id = m_namecache.getId(name);
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return id;
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}
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std::string IrrlichtWrapper::getTextureName(textureid_t id)
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{
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std::string name("");
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m_namecache.getValue(id, name);
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// In case it was found, return the name; otherwise return an empty name.
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return name;
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}
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video::ITexture* IrrlichtWrapper::getTexture(const std::string &filename)
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{
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TextureSpec spec(getTextureId(filename));
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return getTexture(spec);
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}
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video::ITexture* IrrlichtWrapper::getTexture(const TextureSpec &spec)
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{
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if(spec.empty())
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return NULL;
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video::ITexture *t = m_texturecache.get(spec);
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if(t != NULL)
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return t;
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if(get_current_thread_id() == m_main_thread)
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{
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dstream<<"Getting texture directly: spec.tids[0]="
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<<spec.tids[0]<<std::endl;
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t = getTextureDirect(spec);
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}
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else
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{
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// If irrlicht has shut down, just return NULL
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if(m_running == false)
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return NULL;
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// We're gonna ask the result to be put into here
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ResultQueue<TextureSpec, video::ITexture*, u8, u8> result_queue;
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// Throw a request in
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m_get_texture_queue.add(spec, 0, 0, &result_queue);
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dstream<<"Waiting for texture from main thread: spec.tids[0]="
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<<spec.tids[0]<<std::endl;
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try
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{
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// Wait result for a second
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GetResult<TextureSpec, video::ITexture*, u8, u8>
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result = result_queue.pop_front(1000);
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// Check that at least something worked OK
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assert(result.key == spec);
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t = result.item;
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}
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catch(ItemNotFoundException &e)
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{
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dstream<<"Waiting for texture timed out."<<std::endl;
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t = NULL;
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}
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}
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// Add to cache and return
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m_texturecache.set(spec, t);
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return t;
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}
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// Draw a progress bar on the image
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void make_progressbar(float value, video::IImage *image);
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/*
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Texture fetcher/maker function, called always from the main thread
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*/
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video::ITexture* IrrlichtWrapper::getTextureDirect(const TextureSpec &spec)
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{
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// This would result in NULL image
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if(spec.empty())
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return NULL;
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// Don't generate existing stuff
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video::ITexture *t = m_texturecache.get(spec);
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if(t != NULL)
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{
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dstream<<"WARNING: Existing stuff requested from "
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"getTextureDirect()"<<std::endl;
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return t;
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}
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video::IVideoDriver* driver = m_device->getVideoDriver();
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/*
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An image will be built from files and then converted into a texture.
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*/
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video::IImage *baseimg = NULL;
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/*
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Irrlicht requires a name for every texture, with which it
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will be stored internally in irrlicht.
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*/
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std::string texture_name;
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for(u32 i=0; i<TEXTURE_SPEC_TEXTURE_COUNT; i++)
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{
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textureid_t tid = spec.tids[i];
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if(tid == 0)
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continue;
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std::string name = getTextureName(tid);
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// Add something to the name so that it is a unique identifier.
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texture_name += "[";
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texture_name += name;
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texture_name += "]";
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/*
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Try to get image from image cache
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*/
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{
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core::map<std::string, video::IImage*>::Node *n;
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n = m_imagecache.find(texture_name);
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if(n != NULL)
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{
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video::IImage *image = n->getValue();
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core::dimension2d<u32> dim = image->getDimension();
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baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
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image->copyTo(baseimg);
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dstream<<"INFO: getTextureDirect(): Loaded \""
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<<texture_name<<"\" from image cache"
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<<std::endl;
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// Do not process any further.
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continue;
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}
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}
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// Stuff starting with [ are special commands
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if(name[0] != '[')
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{
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// A normal texture; load it from a file
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std::string path = porting::getDataPath(name.c_str());
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dstream<<"INFO: getTextureDirect(): Loading path \""<<path
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<<"\""<<std::endl;
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// DEBUG
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/*{
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dstream<<"DEBUG CODE: Loading base image "
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"directly to texture"<<std::endl;
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t = driver->getTexture(path.c_str());
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driver->renameTexture(t, texture_name.c_str());
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return t;
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}*/
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video::IImage *image = driver->createImageFromFile(path.c_str());
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if(image == NULL)
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{
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dstream<<"WARNING: Could not load image \""<<name
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<<"\" from path \""<<path<<"\""
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<<" while building texture"<<std::endl;
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continue;
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}
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// If base image is NULL, load as base.
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if(baseimg == NULL)
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{
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dstream<<"INFO: Setting "<<name<<" as base"<<std::endl;
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/*
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Copy it this way to get an alpha channel.
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Otherwise images with alpha cannot be blitted on
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images that don't have alpha in the original file.
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*/
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// This is a deprecated method
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//baseimg = driver->createImage(video::ECF_A8R8G8B8, image);
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core::dimension2d<u32> dim = image->getDimension();
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baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
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image->copyTo(baseimg);
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image->drop();
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//baseimg = image;
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}
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// Else blit on base.
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else
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{
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dstream<<"INFO: Blitting "<<name<<" on base"<<std::endl;
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// Size of the copied area
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core::dimension2d<u32> dim = image->getDimension();
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//core::dimension2d<u32> dim(16,16);
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// Position to copy the blitted to in the base image
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core::position2d<s32> pos_to(0,0);
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// Position to copy the blitted from in the blitted image
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core::position2d<s32> pos_from(0,0);
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// Blit
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image->copyToWithAlpha(baseimg, pos_to,
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core::rect<s32>(pos_from, dim),
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video::SColor(255,255,255,255),
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NULL);
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// Drop image
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image->drop();
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}
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}
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else
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{
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// A special texture modification
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dstream<<"INFO: getTextureDirect(): generating \""<<name<<"\""
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<<std::endl;
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if(name.substr(0,6) == "[crack")
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{
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u16 progression = stoi(name.substr(6));
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// Size of the base image
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core::dimension2d<u32> dim_base = baseimg->getDimension();
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// Crack will be drawn at this size
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u32 cracksize = 16;
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// Size of the crack image
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core::dimension2d<u32> dim_crack(cracksize,cracksize);
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// Position to copy the crack from in the crack image
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core::position2d<s32> pos_other(0, 16 * progression);
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video::IImage *crackimage = driver->createImageFromFile(
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porting::getDataPath("crack.png").c_str());
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if(crackimage)
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{
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/*crackimage->copyToWithAlpha(baseimg, v2s32(0,0),
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core::rect<s32>(pos_other, dim_base),
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video::SColor(255,255,255,255),
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NULL);*/
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for(u32 y0=0; y0<dim_base.Height/dim_crack.Height; y0++)
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for(u32 x0=0; x0<dim_base.Width/dim_crack.Width; x0++)
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{
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// Position to copy the crack to in the base image
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core::position2d<s32> pos_base(x0*cracksize, y0*cracksize);
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crackimage->copyToWithAlpha(baseimg, pos_base,
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core::rect<s32>(pos_other, dim_crack),
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video::SColor(255,255,255,255),
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NULL);
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}
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crackimage->drop();
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}
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}
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else if(name.substr(0,8) == "[combine")
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{
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// "[combine:16x128:0,0=stone.png:0,16=grass.png"
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Strfnd sf(name);
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sf.next(":");
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u32 w0 = stoi(sf.next("x"));
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u32 h0 = stoi(sf.next(":"));
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dstream<<"INFO: combined w="<<w0<<" h="<<h0<<std::endl;
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core::dimension2d<u32> dim(w0,h0);
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baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
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while(sf.atend() == false)
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{
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u32 x = stoi(sf.next(","));
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u32 y = stoi(sf.next("="));
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std::string filename = sf.next(":");
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dstream<<"INFO: Adding \""<<filename
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<<"\" to combined ("<<x<<","<<y<<")"
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<<std::endl;
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video::IImage *img = driver->createImageFromFile(
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porting::getDataPath(filename.c_str()).c_str());
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if(img)
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{
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core::dimension2d<u32> dim = img->getDimension();
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dstream<<"INFO: Size "<<dim.Width
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<<"x"<<dim.Height<<std::endl;
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core::position2d<s32> pos_base(x, y);
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video::IImage *img2 =
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driver->createImage(video::ECF_A8R8G8B8, dim);
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img->copyTo(img2);
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img->drop();
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img2->copyToWithAlpha(baseimg, pos_base,
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core::rect<s32>(v2s32(0,0), dim),
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video::SColor(255,255,255,255),
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NULL);
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img2->drop();
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}
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else
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{
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dstream<<"WARNING: img==NULL"<<std::endl;
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}
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}
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}
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else if(name.substr(0,12) == "[progressbar")
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{
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float value = stof(name.substr(12));
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make_progressbar(value, baseimg);
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}
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else
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{
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dstream<<"WARNING: getTextureDirect(): Invalid "
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" texture: \""<<name<<"\""<<std::endl;
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}
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}
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/*
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Add to image cache
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*/
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if(baseimg != NULL)
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{
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core::map<std::string, video::IImage*>::Node *n;
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n = m_imagecache.find(texture_name);
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if(n != NULL)
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{
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video::IImage *img = n->getValue();
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if(img != baseimg)
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{
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img->drop();
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}
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}
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m_imagecache[texture_name] = baseimg;
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}
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}
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// If no resulting image, return NULL
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if(baseimg == NULL)
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{
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dstream<<"WARNING: getTextureDirect(): baseimg is NULL (attempted to"
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" create texture \""<<texture_name<<"\""<<std::endl;
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return NULL;
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}
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/*// DEBUG: Paint some pixels
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video::SColor c(255,255,0,0);
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baseimg->setPixel(1,1, c);
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baseimg->setPixel(1,14, c);
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baseimg->setPixel(14,1, c);
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baseimg->setPixel(14,14, c);*/
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// Create texture from resulting image
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t = driver->addTexture(texture_name.c_str(), baseimg);
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dstream<<"INFO: getTextureDirect(): created texture \""<<texture_name
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<<"\""<<std::endl;
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return t;
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}
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void make_progressbar(float value, video::IImage *image)
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{
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if(image == NULL)
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return;
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core::dimension2d<u32> size = image->getDimension();
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u32 barheight = 1;
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u32 barpad_x = 1;
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u32 barpad_y = 1;
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u32 barwidth = size.Width - barpad_x*2;
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v2u32 barpos(barpad_x, size.Height - barheight - barpad_y);
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u32 barvalue_i = (u32)(((float)barwidth * value) + 0.5);
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video::SColor active(255,255,0,0);
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video::SColor inactive(255,0,0,0);
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for(u32 x0=0; x0<barwidth; x0++)
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{
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video::SColor *c;
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if(x0 < barvalue_i)
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c = &active;
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else
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c = &inactive;
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u32 x = x0 + barpos.X;
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for(u32 y=barpos.Y; y<barpos.Y+barheight; y++)
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{
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image->setPixel(x,y, *c);
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}
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}
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}
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#endif
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