* Sprite data width and height is now extracted from Sprite class.
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c501d0e4e7
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4efe5ad6f9
33
BaseUnit.cpp
33
BaseUnit.cpp
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@ -3,7 +3,9 @@
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* ******************************************************************/
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#include "BaseUnit.h"
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#include "Camera.h"
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#include "System.h"
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#include "Sprite.h"
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#include <stdbool.h>
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#include <stdint.h>
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#include <Gamebuino.h>
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@ -24,6 +26,8 @@
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* Local variables definition
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* ******************************************************************/
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static const Camera* cam;
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/* *******************************************************************
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* Local prototypes declaration
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* ******************************************************************/
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@ -69,6 +73,17 @@ void BaseUnit::handler(void)
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{
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}
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/*****************************************************************//**
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*
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* \brief This function sets global camera for all BaseUnit
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* instances.
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*
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*********************************************************************/
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void BaseUnit::setCamera(const Camera* const c)
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{
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cam = c;
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}
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/*****************************************************************//**
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*
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* \brief Periodical draw handler for BaseUnit class.
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@ -78,19 +93,19 @@ void BaseUnit::drawHandler(const uint8_t* const pu8SprData)
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{
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if (isSelected())
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{
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enum
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{
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WIDTH_DATA_INDEX,
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HEIGHT_DATA_INDEX
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};
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/* Retrieve unit width from sprite data. */
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const uint8_t w = pgm_read_byte(&pu8SprData[WIDTH_DATA_INDEX]);
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const uint8_t w = Sprite::getWidth(pu8SprData);
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/* Retrieve unit height from sprite data. */
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const uint8_t h = pgm_read_byte(&pu8SprData[HEIGHT_DATA_INDEX]);
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const uint8_t h = Sprite::getHeight(pu8SprData);
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gb.display.drawRect(_x, _y, w, h);
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if (cam != NULL)
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{
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const uint8_t x = cam->getX(_x - w);
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const uint8_t y = cam->getY(_y - h);
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gb.display.drawRoundRect(x, y, w << 1, h << 1, 2);
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}
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}
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else
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{
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@ -7,6 +7,7 @@
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#include <stdbool.h>
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#include <stdint.h>
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#include "Camera.h"
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/* *******************************************************************
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* Defines
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@ -35,6 +36,7 @@ class BaseUnit
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void handler(void);
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void drawHandler(const uint8_t* const pu8SprData);
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void create(const uint16_t x, const uint16_t y);
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static void setCamera(const Camera* const c);
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bool isAlive(void);
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bool isSelected(void);
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void setSelected(const bool bSelect);
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18
Camera.cpp
18
Camera.cpp
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@ -51,15 +51,25 @@ Camera::Camera(void) :
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{
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}
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uint16_t Camera::getRealX(const int16_t x) const
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{
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return static_cast<uint16_t>(x + _xOffset);
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}
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uint16_t Camera::getRealY(const int16_t y) const
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{
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return static_cast<uint16_t>(y + _yOffset);
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}
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/*****************************************************************//**
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*
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* \brief This function transforms X coordinates for a given
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* object to camera coordinates.
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*
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*********************************************************************/
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uint8_t Camera::getX(const uint8_t x) const
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int16_t Camera::getX(const uint16_t x) const
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{
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return x - _xOffset;
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return static_cast<int16_t>(x - _xOffset);
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}
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/*****************************************************************//**
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@ -68,9 +78,9 @@ uint8_t Camera::getX(const uint8_t x) const
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* object to camera coordinates.
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*
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*********************************************************************/
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uint8_t Camera::getY(const uint8_t y) const
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int16_t Camera::getY(const uint16_t y) const
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{
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return y - _yOffset;
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return static_cast<int16_t>(y - _yOffset);
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}
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/*****************************************************************//**
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35
Camera.h
35
Camera.h
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@ -1,25 +1,36 @@
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#ifndef CAMERA_H__
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#define CAMERA_H__
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/* *************************************
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/* *******************************************************************
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* Includes
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* *************************************/
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* ******************************************************************/
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#include "Cursor.h"
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#include <stdint.h>
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#include <stdbool.h>
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/* *************************************
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/* *******************************************************************
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* Defines
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* *************************************/
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* ******************************************************************/
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/* *************************************
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* Structs and enums
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* *************************************/
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/* *******************************************************************
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* Global types definition
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* ******************************************************************/
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/* *************************************
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/* Forward declaration. */
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class Cursor;
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/* *******************************************************************
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* Global variables declaration
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* ******************************************************************/
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/* *******************************************************************
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* Global functions declaration
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* ******************************************************************/
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/* *******************************************************************
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* Class definition
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* *************************************/
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* ******************************************************************/
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class Camera
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{
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@ -27,8 +38,10 @@ class Camera
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Camera(void);
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void adjustLock(const bool bLock);
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bool isLocked(void) const;
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uint8_t getX(const uint8_t x) const;
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uint8_t getY(const uint8_t y) const;
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int16_t getX(const uint16_t x) const;
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int16_t getY(const uint16_t y) const;
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uint16_t getRealX(const int16_t x) const;
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uint16_t getRealY(const int16_t y) const;
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/* Event handlers. */
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void onLeftBtnPressed(Cursor& cursor);
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34
Sprite.cpp
34
Sprite.cpp
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@ -72,12 +72,12 @@ void Sprite::draw(void)
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if (_cam != NULL)
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{
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const uint8_t x = _followCam ? _cam->getX(_x) : _x;
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const uint8_t y = _followCam ? _cam->getY(_y) : _y;
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const int16_t x = _followCam ? _cam->getX(_x) : (int16_t)_x;
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const int16_t y = _followCam ? _cam->getY(_y) : (int16_t)_y;
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if (_pu8SprData != NULL)
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{
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gb.display.drawBitmap(x, y, _pu8SprData);
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gb.display.drawBitmap((int8_t)x, (int8_t)y, _pu8SprData);
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}
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else
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{
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@ -90,6 +90,34 @@ void Sprite::draw(void)
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}
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}
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uint8_t Sprite::getWidth(const uint8_t* const pu8SprData)
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{
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enum
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{
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WIDTH_DATA_INDEX = 0
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};
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/* Retrieve unit width from sprite data. */
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const uint8_t w = pgm_read_byte(&pu8SprData[WIDTH_DATA_INDEX]);
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/* Return retrieved width. */
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return w;
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}
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uint8_t Sprite::getHeight(const uint8_t* const pu8SprData)
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{
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enum
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{
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HEIGHT_DATA_INDEX = 1
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};
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/* Retrieve unit height from sprite data. */
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const uint8_t h = pgm_read_byte(&pu8SprData[HEIGHT_DATA_INDEX]);
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/* Return retrieved height. */
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return h;
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}
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/*****************************************************************//**
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*
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* \brief Reportedly, this function updates X/Y coordinates for
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