//
// Created by Wouter Groeneveld on 26/07/18.
//

#ifndef GBA_SPRITE_ENGINE_SPRITE_H
#define GBA_SPRITE_ENGINE_SPRITE_H

#include <engine/gba/tonc_types.h>
#include <memory>

#define COLOR_MODE_16 0
#define COLOR_MODE_256 1
#define GFX_MODE 0
#define MOSAIC_MODE 0
#define AFFINE_FLAG_NONE_SET_YET 0
#define HORIZONTAL_FLIP_FLAG 0
#define VERTICAL_FLIP_FLAG 0

#define FLIP_VERTICAL_CLEAR 0xdfff
#define FLIP_HORIZONTAL_CLEAR 0xefff
#define OAM_TILE_OFFSET_CLEAR 0xfc00
#define OAM_TILE_OFFSET_NEW 0x03ff

enum SpriteSize {
    SIZE_8_8,
    SIZE_16_16,
    SIZE_32_32,
    SIZE_64_64,
    SIZE_16_8,
    SIZE_32_8,
    SIZE_32_16,
    SIZE_64_32,
    SIZE_8_16,
    SIZE_8_32,
    SIZE_16_32,
    SIZE_32_64
};

class SpriteManager;

class Sprite {
private:
    void updateVelocity();
    void updateAnimation();
    void syncVelocity();
    void syncAnimation();

protected:
    const void *data;
    int x, y, priority, dx, dy;
    int w, h, size_bits, shape_bits;
    int imageSize, tileIndex;
    int animationDelay, amountOfFrames, currentFrame, animationCounter;
    bool animating;

    std::unique_ptr<OBJ_ATTR> oam;

    virtual void syncOam();
    virtual void buildOam(int tileIndex);
    void setAttributesBasedOnSize(SpriteSize size);

public:
    Sprite(const void *imageData, int imageSize, int x, int y, SpriteSize size);
    virtual ~Sprite() {}

    void makeAnimated(int amountOfFrames, int animationDelay) {
        this->amountOfFrames = amountOfFrames;
        this->animationDelay = animationDelay;
        animate();
    }
    void animate() { this->animating = true; }
    void stopAnimating() { this->animating = false; }
    void setVelocity(int dx, int dy) {
        this->dx = dx;
        this->dy = dy;
    }
    void update();

    void moveTo(int x, int y);
    bool collidesWith(const Sprite &other);

    void flipVertically(bool flip);
    void flipHorizontally(bool flip);

    int getX() { return x; }
    int getHeight() { return h; }
    int getWidth() { return w; }
    int getY() { return y; }
    int getCurrentFrame() { return currentFrame; }

    friend class SpriteManager;
};


#endif //GBA_SPRITE_ENGINE_SPRITE_H