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#pragma once
#include <godot_cpp/classes/atlas_texture.hpp>
#include <godot_cpp/classes/font.hpp>
#include <godot_cpp/classes/image_texture.hpp>
#include <godot_cpp/core/class_db.hpp>
#include <openvic-simulation/interface/GFXSprite.hpp>
namespace OpenVic {
class AssetManager : public godot::Object {
GDCLASS(AssetManager, godot::Object)
static inline AssetManager* _singleton = nullptr;
public:
enum LoadFlags {
LOAD_FLAG_NONE = 0,
LOAD_FLAG_CACHE_IMAGE = 1 << 0,
LOAD_FLAG_CACHE_TEXTURE = 1 << 1,
LOAD_FLAG_FLIP_Y = 1 << 2
};
constexpr friend LoadFlags operator|(LoadFlags lhs, LoadFlags rhs) {
return static_cast<LoadFlags>(static_cast<int>(lhs) | static_cast<int>(rhs));
}
private:
struct image_asset_t {
std::optional<godot::Ref<godot::Image>> image;
std::optional<godot::Ref<godot::ImageTexture>> texture;
};
/* deque_ordered_map to avoid the need to reallocate. */
using image_asset_map_t = deque_ordered_map<godot::StringName, image_asset_t>;
using font_map_t = deque_ordered_map<godot::StringName, godot::Ref<godot::Font>>;
image_asset_map_t image_assets;
font_map_t fonts;
static godot::Ref<godot::Image> _load_image(godot::StringName const& path, bool flip_y);
protected:
static void _bind_methods();
public:
static AssetManager* get_singleton();
AssetManager();
~AssetManager();
/* Search for and load an image at the specified path relative to the game defines, first checking the AssetManager's
* image cache in case it has already been loaded, and returning nullptr if image loading fails. If the cache image
* load flag is set then the loaded image will be stored in the AssetManager's image cache for future access; if the
* flip y load flag is set then the image will be flipped vertically before being returned (if the image is already
* in the cache then no flipping will occur, regardless of whether it was orginally flipped or not). */
godot::Ref<godot::Image> get_image(godot::StringName const& path, LoadFlags load_flags = LOAD_FLAG_CACHE_IMAGE);
/* Create a texture from an image found at the specified path relative to the game defines, fist checking the
* AssetManager's texture cache in case it has already been loaded, and returning nullptr if image loading or texture
* creation fails. If the cache image load flag is set then the loaded image will be stored in the AssetManager's
* image cache for future access; if the cache texture load flag is set then the created texture will be stored in the
* AssetManager's texture cache for future access; if the flip y load flag is set then the image will be flipped
* vertically before being used to create the texture (if the image is already in the cache then no flipping will
* occur, regardless of whether it was orginally flipped or not). */
godot::Ref<godot::ImageTexture> get_texture(
godot::StringName const& path, LoadFlags load_flags = LOAD_FLAG_CACHE_TEXTURE
);
/* Search for and load a font with the specified name from the game defines' font directory, first checking the
* AssetManager's font cache in case it has already been loaded, and returning nullptr if font loading fails. */
godot::Ref<godot::Font> get_font(godot::StringName const& name);
};
}
VARIANT_ENUM_CAST(OpenVic::AssetManager::LoadFlags);
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