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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/GFX.hpp>
namespace OpenVic {
class AssetManager : public godot::Object {
GDCLASS(AssetManager, godot::Object)
static inline AssetManager* _singleton = nullptr;
struct image_asset_t {
godot::Ref<godot::Image> image;
godot::Ref<godot::ImageTexture> texture;
};
using image_asset_map_t = std::map<godot::StringName, image_asset_t>;
using font_map_t = std::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 path);
image_asset_map_t::iterator _get_image_asset(godot::StringName path);
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 (if cache is true) in case it has already been loaded, and returning nullptr if image loading fails. */
godot::Ref<godot::Image> get_image(godot::StringName path, bool cache = true);
/* Create a texture from an image found at the specified path relative to the game defines, fist checking
* AssetManager's texture cache in case it has already been loaded, and returning nullptr if image loading
* or texture creation fails. */
godot::Ref<godot::ImageTexture> get_texture(godot::StringName path);
/* Extract the specified frame of the texture, which is treated as a single row of frame_count frames. */
static godot::Ref<godot::AtlasTexture> make_icon(
godot::Ref<godot::Texture2D> texture, GFX::frame_t frame, GFX::frame_t frame_count
);
/* Load a texture as with get_texture, and extract the specified frame as with make_icon. */
godot::Ref<godot::AtlasTexture> get_icon(godot::StringName path, GFX::frame_t frame, GFX::frame_t frame_count);
/* Load a texture as with get_texture if frame_count <= 1 otherwise as with get_icon. */
godot::Ref<godot::Texture2D> get_texture_or_icon(godot::StringName path, GFX::frame_t frame, GFX::frame_t frame_count);
/* 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 name);
};
}
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