void CacheTileData(ITerrainSampler terrainSampler, ref MapPixelData mapData)
{
// Create array if required
int dim = MapsFile.WorldMapTileDim + 1;
if (tileData == null)
{
tileData = new int[dim, dim];
}
// Populate array with tile metadata
for (int y = 0; y < dim; y++)
{
for (int x = 0; x < dim; x++)
{
// Height sample for ocean and beach tiles
float height = TerrainHelper.GetClampedHeight(
ref mapData,
terrainSampler.HeightmapDimension,
(float)x / (float)dim,
(float)y / (float)dim) * terrainSampler.MaxTerrainHeight;
// Ocean texture
if (height <= terrainSampler.OceanElevation)
{
tileData[x, y] = water;
continue;
}
// Get latitude and longitude of this tile
int latitude = (int)(mapData.mapPixelX * MapsFile.WorldMapTileDim + x);
int longitude = (int)(MapsFile.MaxWorldTileCoordZ - mapData.mapPixelY * MapsFile.WorldMapTileDim + y);
// Beach texture
// Adds a little +/- randomness to threshold so beach line isn't too regular
if (height <= terrainSampler.BeachElevation + UnityEngine.Random.Range(-1.5f, 1.5f))
{
tileData[x, y] = dirt;
continue;
}
// Set texture tile using weighted noise
float weight = 0;
weight += NoiseWeight(latitude, longitude);
// TODO: Add other weights to influence texture tile generation
tileData[x, y] = GetWeightedRecord(weight);
}
}
}
