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/*
* RenderHandler.h, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#pragma once
#include "../render/IRenderHandler.h"
#include "../render/CDefFile.h"
VCMI_LIB_NAMESPACE_BEGIN
class EntityService;
VCMI_LIB_NAMESPACE_END
class CDefFile;
class SDLImageShared;
class ScalableImageShared;
class AssetGenerator;
class HdImageLoader;
class RenderHandler final : public IRenderHandler
{
using AnimationLayoutMap = std::map<size_t, std::vector<ImageLocator>>;
std::map<AnimationPath, std::map<int, std::map<int, std::pair<std::string, CDefFile::SSpriteDef>>>> animationSpriteDefs;
std::map<AnimationPath, std::weak_ptr<CDefFile>> animationFiles;
std::map<AnimationPath, AnimationLayoutMap> animationLayouts;
std::map<SharedImageLocator, std::weak_ptr<ScalableImageShared>> imageFiles;
std::map<EFonts, std::shared_ptr<const IFont>> fonts;
std::shared_ptr<AssetGenerator> assetGenerator;
std::shared_ptr<HdImageLoader> hdImageLoader;
std::mutex animationCacheMutex;
std::pair<std::string, CDefFile::SSpriteDef> getAnimationSpriteDef(const AnimationPath & path, int frame, int group);
ImagePath getAnimationFrameName(const AnimationPath & path, int frame, int group);
std::shared_ptr<CDefFile> getAnimationFile(const AnimationPath & path);
AnimationLayoutMap & getAnimationLayout(const AnimationPath & path, int scalingFactor, EImageBlitMode mode);
void initFromJson(AnimationLayoutMap & layout, const JsonNode & config, EImageBlitMode mode) const;
void addImageListEntry(size_t index, size_t group, const std::string & listName, const std::string & imageName);
void addImageListEntries(const EntityService * service);
void storeCachedImage(const ImageLocator & locator, std::shared_ptr<ScalableImageShared> image);
std::shared_ptr<ScalableImageShared> loadImageImpl(const ImageLocator & config);
std::shared_ptr<ISharedImage> loadImageFromFileUncached(const ImageLocator & locator);
ImageLocator getLocatorForAnimationFrame(const AnimationPath & path, int frame, int group, int scaling, EImageBlitMode mode);
int getScalingFactor() const;
public:
RenderHandler();
~RenderHandler();
// IRenderHandler implementation
void onLibraryLoadingFinished(const Services * services) override;
std::shared_ptr<IImage> loadImage(const ImageLocator & locator) override;
std::shared_ptr<IImage> loadImage(const ImagePath & path, EImageBlitMode mode) override;
std::shared_ptr<IImage> loadImage(const AnimationPath & path, int frame, int group, EImageBlitMode mode) override;
std::shared_ptr<SDLImageShared> loadScaledImage(const ImageLocator & locator) override;
std::shared_ptr<CAnimation> loadAnimation(const AnimationPath & path, EImageBlitMode mode) override;
std::shared_ptr<CanvasImage> createImage(const Point & size, CanvasScalingPolicy scalingPolicy) override;
/// Returns font with specified identifer
std::shared_ptr<const IFont> loadFont(EFonts font) override;
void exportGeneratedAssets() override;
std::shared_ptr<AssetGenerator> getAssetGenerator() override;
void updateGeneratedAssets() override;
/// Preload all animation files asynchronously to fill the cache
void preloadAnimationsAsync();
};
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