#include "animatedsprite.h"

AnimatedSprite::AnimatedSprite()
{

};

AnimatedSprite::AnimatedSprite( char* texturefile, int numOfFrames, 
					   int cellWidth, int cellHeight, 
					   int numOfRows, int numOfColumns )
{
	_position = new D3DXVECTOR3(0, 0, 0);
	_velocity = new D3DXVECTOR3(0, 0, 0);

	_entType = tAnimatedSprite;
	gpKexan->gpEBank->AddToEntityList( this, _entType );

	// _texture = gpKexan->gpTBank->AddTexture( texturefile );
	gpKexan->gpTBank->AddTexture( texturefile );
	_texture = gpKexan->gpTBank->GetTexture( texturefile )->_texture;

	m_TotalFrames = numOfFrames;
	m_CurrentFrame = 0;

	m_CellWidth = cellWidth;
	m_CellHeight = cellHeight;

	m_NumOfRows = numOfRows;
	m_NumOfColumns = numOfColumns;

	tickCount = 0;
}

void AnimatedSprite::SetCurrentFrame( int frame )
{
	m_CurrentFrame = frame;
}

int AnimatedSprite::GetWidth( void )
{
	return m_CellWidth;
}

int AnimatedSprite::GetHeight( void )
{
	return m_CellHeight;
}

void AnimatedSprite::Update()
{
	BaseSprite::Update();
	
	tickCount++;
	if( tickCount > 15 )
	{
		m_CurrentFrame++;

		if( m_CurrentFrame >= m_TotalFrames )
		{ m_CurrentFrame = 0; }

		tickCount = 0;
	}
}

void AnimatedSprite::Draw()
{
	RECT cellRect;
	cellRect.top = 0;
	cellRect.left = 0;

	int curFrame = m_CurrentFrame;
	while( curFrame >= m_NumOfColumns )
	{
		cellRect.top += m_CellHeight;
		curFrame = curFrame - m_NumOfColumns;
	}

	while( curFrame > 0 )
	{
		cellRect.left += m_CellWidth;
		curFrame--;
	}

	cellRect.bottom = cellRect.top + m_CellHeight;
	cellRect.right = cellRect.left + m_CellWidth;

	gpKexan->gpGEngine->_pSpriteHandler->Begin(D3DXSPRITE_ALPHABLEND);
	gpKexan->gpGEngine->_pSpriteHandler->Draw( _texture, &cellRect, NULL, _position, D3DCOLOR_XRGB(255,255,255));
	gpKexan->gpGEngine->_pSpriteHandler->End();
}