139 lines
3.9 KiB
C++
139 lines
3.9 KiB
C++
/* *******************************************************************
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* Includes
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* ******************************************************************/
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#include "BaseUnit.h"
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#include "Unit.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 <stddef.h>
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/* *******************************************************************
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* Defines
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* ******************************************************************/
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/* *******************************************************************
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* Types definition
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* ******************************************************************/
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/* *******************************************************************
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* Global variables definition
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* ******************************************************************/
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/* *******************************************************************
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* Local variables definition
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* ******************************************************************/
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/*****************************************************************//**
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*
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* \brief Bitmap data for idle UNIT_ID_PEASANT.
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*
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*********************************************************************/
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static const PROGMEM uint8_t au8PeasantSprData[] =
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{
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8,
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8,
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0x00,
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0x3C,
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0x42,
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0x99,
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0xA5,
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0x66,
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0x18,
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0x00
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};
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/* *******************************************************************
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* Local prototypes declaration
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* ******************************************************************/
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/* *******************************************************************
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* Functions definition
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* ******************************************************************/
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/*****************************************************************//**
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*
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* \brief Constructor for Unit class.
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*
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*********************************************************************/
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Unit::Unit(const enum Unit::tUnitID eUnitID) :
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BaseUnit(),
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_eUnitID(eUnitID)
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{
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}
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/*****************************************************************//**
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*
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* \brief Creates a Unit instance by setting default parameters
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* and X/Y coordinates.
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*
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*********************************************************************/
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void Unit::create(const enum Unit::tUnitID eUnitID, const uint16_t x, const uint16_t y)
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{
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/* Execute base class function first. */
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BaseUnit::create(x, y);
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/* Assign new ID to selected Unit. */
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_eUnitID = eUnitID;
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/* This table relates all available
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* unit IDs against a bitmap data table. */
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const uint8_t au8HpData[MAX_UNIT_ID] PROGMEM =
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{
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[UNIT_ID_NONE] = 0,
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[UNIT_ID_PEASANT] = 25,
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[UNIT_ID_SWORDMAN] = 35
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};
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/* Assign health according to unit ID. */
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_hp = au8HpData[eUnitID];
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}
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/*****************************************************************//**
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*
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* \brief Periodical handler for Unit class.
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*
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*********************************************************************/
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void Unit::handler(void)
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{
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/* Execute base class handler. */
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BaseUnit::handler();
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drawHandler();
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}
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/*****************************************************************//**
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*
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* \brief This function checks whether unit is inside screen
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* boundaries and draws its associated bitmap.
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*
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*********************************************************************/
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void Unit::drawHandler(void)
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{
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if (_eUnitID < MAX_UNIT_ID)
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{
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/* This table relates all available
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* unit IDs against a bitmap data table. */
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const uint8_t* const apu8UnitSpriteDataTable[MAX_UNIT_ID] PROGMEM =
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{
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[UNIT_ID_NONE] = NULL,
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[UNIT_ID_PEASANT] = au8PeasantSprData,
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[UNIT_ID_SWORDMAN] = NULL
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};
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/* Point to appropiate bitmap data given unit ID. */
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const uint8_t* const pu8UnitSpriteData = apu8UnitSpriteDataTable[_eUnitID];
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Sprite spr(pu8UnitSpriteData);
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spr.setPos(_x, _y);
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spr.draw();
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}
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else
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{
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/* Unit has an invalid ID. Exit. */
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}
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}
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