int TileMap::getTile(int x, int y)
{
if (x < 0)
{
x = 0;
}
if (y < 0)
{
y = 0;
}
if (x >= getWidth())
{
x = getWidth() - 1;
}
if (y >= getHeight())
{
y = getHeight() - 1;
}
int pixel = _getpixel24(mTileMapBitmap, x, y);
return getr24(pixel) | (getg24(pixel) << 8);
}
void TileMap::setTileFlags(int x, int y, int flags)
{
if (x < 0 || y < 0 || x >= getWidth() || y >= getHeight())
{
return;
}
int pixel = _getpixel24(mTileMapBitmap, x, y);
int newPixel = makecol24(getr24(pixel),
getg24(pixel),
flags);
_putpixel24(mTileMapBitmap, x, y, newPixel);
}
void TileMap::setTile(int x, int y, int tileNumber)
{
if (x < 0 || y < 0 || x >= getWidth() || y >= getHeight())
{
return;
}
int pixel = _getpixel24(mTileMapBitmap, x, y);
int newPixel = makecol24(tileNumber,
getg24(pixel),
getb24(pixel));
_putpixel24(mTileMapBitmap, x, y, newPixel);
}
void rsave(BITMAP * bmp, int x, int y, int d)
{
/* save pixel information into array */
// clipping
if (x < GUIWIDTH || x >= XMAX || y < 0 || y >= YMAX)
return;
savedpixels[pos_sp].x = x;
savedpixels[pos_sp].y = y;
savedpixels[pos_sp].color = _getpixel24(bmp, x, y);
pos_sp++;
/* Doing this will remove the need to call circle again */
_putpixel24(bmp, x, y, d);
}
int Bitmap::GetPixel(int x, int y) const
{
if (x < 0 || x >= _alBitmap->w || y < 0 || y >= _alBitmap->h)
{
return -1; // Allegros getpixel() implementation returns -1 in this case
}
switch (bitmap_color_depth(_alBitmap))
{
case 8:
return _getpixel(_alBitmap, x, y);
case 15:
return _getpixel15(_alBitmap, x, y);
case 16:
return _getpixel16(_alBitmap, x, y);
case 24:
return _getpixel24(_alBitmap, x, y);
case 32:
return _getpixel32(_alBitmap, x, y);
}
assert(0); // this should not normally happen
return getpixel(_alBitmap, x, y);
}
int TileMap::getTileEntity(int x, int y)
{
if (x < 0)
{
x = 0;
}
if (y < 0)
{
y = 0;
}
if (x >= getWidth())
{
x = getWidth() - 1;
}
if (y >= getHeight())
{
y = getHeight() - 1;
}
return _getpixel24(mEntityMapBitmap, x, y);
}
int TileMap::getTileFlags(int x, int y)
{
if (x < 0)
{
x = 0;
}
if (y < 0)
{
y = 0;
}
if (x >= getWidth())
{
x = getWidth() - 1;
}
if (y >= getHeight())
{
y = getHeight() - 1;
}
return getb24(_getpixel24(mTileMapBitmap, x, y));
}
