//
// Created by Wouter Groeneveld on 27/07/18.
// very loosely based on: https://github.com/Jambo51/GBA-Pokemon-Engine/blob/master/source/Entities/OAMObject.cpp
//

#ifndef GBA_SPRITE_ENGINE_ALLOCATOR_H
#define GBA_SPRITE_ENGINE_ALLOCATOR_H


#include <engine/gba/tonc_types.h>
#include <engine/gba/tonc_memmap.h>
#include <vector>

#define MEM_OBJ_VRAM_BASE (MEM_VRAM + VRAM_BG_SIZE)

u32 voidPtrToU32(void* ptr);

class AllocatedData {
public:
    void * pointer()const { return (void*) currentAddress; };
    u32 size, currentAddress, baseAddress;

    const int getTileLocation()const {
        return (currentAddress - baseAddress) >> 5;
    }

    AllocatedData(u32 address, u32 size, u32 base) : currentAddress(address), size(size), baseAddress(base) {}
};

class Allocator {
private:
    Allocator() = delete;
    Allocator(Allocator& other) = delete;
    Allocator(Allocator&& other) = delete;

    static u32 currentSpriteIndex;
    static std::vector<AllocatedData> allocatedSprites;

public:
    static void free();
    static u32 getCurrentSpriteIndex() { return currentSpriteIndex; }
    static int getAllocatedSprites() { return allocatedSprites.size(); }
    static AllocatedData& allocateObjectTiles(u32 size);
};

#endif //GBA_SPRITE_ENGINE_ALLOCATOR_H