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Add the ability for client to check if image exists

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This commit is contained in:
Perttu Ahola 2012-11-30 22:19:50 +02:00
parent 84ace27872
commit 778d9b0cd6
2 changed files with 18 additions and 0 deletions
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16
src/tile.cpp
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@ -372,6 +372,18 @@ public:
// Update new texture pointer and texture coordinates to an // Update new texture pointer and texture coordinates to an
// AtlasPointer based on it's texture id // AtlasPointer based on it's texture id
void updateAP(AtlasPointer &ap); void updateAP(AtlasPointer &ap);
bool isKnownSourceImage(const std::string &name)
{
bool is_known = false;
bool cache_found = m_source_image_existence.get(name, &is_known);
if(cache_found)
return is_known;
// Not found in cache; find out if a local file exists
is_known = (getTexturePath(name) != "");
m_source_image_existence.set(name, is_known);
return is_known;
}
// Processes queued texture requests from other threads. // Processes queued texture requests from other threads.
// Shall be called from the main thread. // Shall be called from the main thread.
@ -400,6 +412,9 @@ private:
// This should be only accessed from the main thread // This should be only accessed from the main thread
SourceImageCache m_sourcecache; SourceImageCache m_sourcecache;
// Thread-safe cache of what source images are known (true = known)
MutexedMap<std::string, bool> m_source_image_existence;
// A texture id is index in this array. // A texture id is index in this array.
// The first position contains a NULL texture. // The first position contains a NULL texture.
core::array<SourceAtlasPointer> m_atlaspointer_cache; core::array<SourceAtlasPointer> m_atlaspointer_cache;
@ -781,6 +796,7 @@ void TextureSource::insertSourceImage(const std::string &name, video::IImage *im
assert(get_current_thread_id() == m_main_thread); assert(get_current_thread_id() == m_main_thread);
m_sourcecache.insert(name, img, true, m_device->getVideoDriver()); m_sourcecache.insert(name, img, true, m_device->getVideoDriver());
m_source_image_existence.set(name, true);
} }
void TextureSource::rebuildImagesAndTextures() void TextureSource::rebuildImagesAndTextures()

2
src/tile.h
View File

@ -131,6 +131,7 @@ public:
virtual IrrlichtDevice* getDevice() virtual IrrlichtDevice* getDevice()
{return NULL;} {return NULL;}
virtual void updateAP(AtlasPointer &ap){}; virtual void updateAP(AtlasPointer &ap){};
virtual bool isKnownSourceImage(const std::string &name)=0;
}; };
class IWritableTextureSource : public ITextureSource class IWritableTextureSource : public ITextureSource
@ -149,6 +150,7 @@ public:
virtual IrrlichtDevice* getDevice() virtual IrrlichtDevice* getDevice()
{return NULL;} {return NULL;}
virtual void updateAP(AtlasPointer &ap){}; virtual void updateAP(AtlasPointer &ap){};
virtual bool isKnownSourceImage(const std::string &name)=0;
virtual void processQueue()=0; virtual void processQueue()=0;
virtual void insertSourceImage(const std::string &name, video::IImage *img)=0; virtual void insertSourceImage(const std::string &name, video::IImage *img)=0;