core/src/cpp/sprite.h


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48

#pragma once

#include <chrono>
#include <string>

#include <SDL_rect.h>

using Clock = std::chrono::high_resolution_clock;
using TimeStamp = std::chrono::time_point<Clock>;

struct SDL_Texture;
struct SDL_Renderer;

struct Sprite {
    explicit Sprite(
        SDL_Renderer* renderer,
        const std::string& filename,
        const int width
    );

    virtual ~Sprite();

public:
    /*!
     * \brief rect - choose the sprite rect from the texture by index
     * \param idx - index of sprite
     * \return
     */
    SDL_Rect rect(const int idx) const;

public:
    /*!
     * \brief texture - the image is to be stored here
     */
    SDL_Texture* texture{nullptr};
    /*!
     * \brief width - single sprite width (texture width = width * nframes)
     */
    int width{0};
    /*!
     * \brief height - sprite height
     */
    int height{0};
    /*!
     * \brief nframes - number of frames in the animation sequence
     */
    int nframes{0};
};