#include "image.h"

#include <game/editor/editor.h>

CEditorImage::~CEditorImage()
{
	m_pEditor->Graphics()->UnloadTexture(&m_Texture);
	free(m_pData);
	m_pData = nullptr;
}

void CEditorImage::AnalyseTileFlags()
{
	mem_zero(m_aTileFlags, sizeof(m_aTileFlags));

	int tw = m_Width / 16; // tilesizes
	int th = m_Height / 16;
	if(tw == th && m_Format == CImageInfo::FORMAT_RGBA)
	{
		unsigned char *pPixelData = (unsigned char *)m_pData;

		int TileID = 0;
		for(int ty = 0; ty < 16; ty++)
			for(int tx = 0; tx < 16; tx++, TileID++)
			{
				bool Opaque = true;
				for(int x = 0; x < tw; x++)
					for(int y = 0; y < th; y++)
					{
						int p = (ty * tw + y) * m_Width + tx * tw + x;
						if(pPixelData[p * 4 + 3] < 250)
						{
							Opaque = false;
							break;
						}
					}

				if(Opaque)
					m_aTileFlags[TileID] |= TILEFLAG_OPAQUE;
			}
	}
}