obj_allocator.hpp

#pragma once
 
#include "DSCEngine/resources/asset_data.hpp"
#include "DSCEngine/sprites/obj_frame.hpp"
#include "DSCEngine/types/hash_map.hpp"
#include "DSCEngine/types/hash_set.hpp"
#include "DSCEngine/types/point.hpp"
#include "DSCEngine/video/allocator.hpp"
#include "DSCEngine/video/palette_loader.hpp"
 
namespace DSC
{
    class ObjFrame;
    
    class ObjAllocator
    {
    private:
        HashMap<const AssetData*, HashMap<Point<short>, int>> loaded_frames;
        
        Allocator* allocator;
        PaletteLoader* palette_loader;
        
        int bytes_per_entry = 32;
        
        void remove(const AssetData* asset, Point<short> metatile); 
        
        void on_frame_unload(void* sender, void* args); 
    public:
        ObjAllocator(Allocator* allocator, PaletteLoader* palette_loader, int bytes_per_entry = 32);
        
        bool allocate(ObjFrame* frame);
        
        void deallocate(ObjFrame* frame);           
        
        ~ObjAllocator() = default;
    };
}