void gaussianBlur(
const TileHeat* const tileHeatsIn,
const float blurFactor,
TileHeat* const tileHeatsOut
)
{
for(int tileIndex = 0; tileIndex < eTile_Count; ++tileIndex)
{
const Tile currentTile = static_cast<Tile>(tileIndex);
TileHeat runningTileHeat(tileHeatsIn[tileIndex]);
float contribution = 1.0f;
for(int neighbourIndex = 0; neighbourIndex < eTile_Count; ++neighbourIndex)
{
const Tile neighbourDirection = static_cast<Tile>(neighbourIndex);
const Tile neighbour = calculateTile(currentTile, neighbourDirection);
if (neighbour == eTile_Count)
{
continue;
}
const TileHeat& neighbourTile = tileHeatsIn[neighbour];
contribution += blurFactor;
runningTileHeat.danger += neighbourTile.danger * blurFactor;
runningTileHeat.desire += neighbourTile.desire * blurFactor;
}
runningTileHeat.danger /= contribution;
runningTileHeat.desire /= contribution;
tileHeatsOut[tileIndex] = runningTileHeat;
}
}
void ObstacleMapper::mapObstacles()
{
const int tilesWide = img->w / 16;
const int tilesHigh = img->h / 16;
int currentTile;
TileKeeper* myTiles = new TileKeeper();
bool isObstacle;
ofstream obstacles;
obstacles.open("hannah.txt", ios::app);
/* iterates through all the image's 16x16 tiles and feeds their boolean value (isObstacle == 1 or isObstacle == 0)
to a txt file for processing */
for (int y = 0; y < tilesHigh; y++)
{
for (int x = 0; x < tilesWide; x++)
{
isObstacle = calculateTile(x, y);
// records the map tile in TileKeeper's map and the obstacles.txt file
myTiles->recordTile(Tile(isObstacle, x, y), std::pair<int, int>(x, y));
obstacles << isObstacle;
if (x == tilesWide - 1)
{
obstacles << "\n";
}
}
}
// clean up
delete myTiles;
obstacles.close();
}
