sprite_pool.h

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/*
    MIT License

    Copyright (c) 2017-2018, Alexey Dynda

    Permission is hereby granted, free of charge, to any person obtaining a copy
    of this software and associated documentation files (the "Software"), to deal
    in the Software without restriction, including without limitation the rights
    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    copies of the Software, and to permit persons to whom the Software is
    furnished to do so, subject to the following conditions:

    The above copyright notice and this permission notice shall be included in all
    copies or substantial portions of the Software.

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
    SOFTWARE.
*/
#ifndef _SPRITE_POOL_H_
#define _SPRITE_POOL_H_

#include "nano_gfx.h"

class SpritePool
{
public:
    static const uint8_t SP_ERR_NO_SPACE = 0xFF;

#if defined(ESP32) || defined(ESP8266)
    static const uint8_t MAX_SPRITES = 32;
#else
    static const uint8_t MAX_SPRITES = 10;
#endif

    SpritePool( );

    void drawSprites();

    void refreshScreen();

    uint8_t add( SPRITE &sprite );

    void clear();

    void remove( SPRITE &sprite );

    void setRect(SSD1306_RECT rect) { m_rect = rect; };

protected:
    NanoCanvas    m_canvas;

    SSD1306_RECT  m_rect;

    virtual void drawBlock(uint8_t blockColumn, uint8_t blockRow);

private:

    uint8_t m_canvasBuf[8*8/8];

    SPRITE *m_sprites[MAX_SPRITES];

    uint8_t m_count;

    void updateRegion(SSD1306_RECT ur);
};

#endif