Image MaterialImageFromTileData(TerrainTileData tileData)
{
var data = new byte[TerrainTileData.Width * TerrainTileData.Height * 4];
for (var y = 0; y < TerrainTileData.Height; y++)
{
for (var x = 0; x < TerrainTileData.Width; x++)
{
var cell = tileData[x, y];
var i = (y * TerrainTileData.Width + x) * 4;
var color = cell.Material.GetColor();
data[i] = unchecked ((byte)color.r8);
data[i + 1] = unchecked ((byte)color.g8);
data[i + 2] = unchecked ((byte)color.b8);
data[i + 3] = unchecked ((byte)color.a8);
}
}
var materialImage = new Image();
materialImage.CreateFromData(TerrainTileData.Width, TerrainTileData.Height, false, Image.Format.Rgba8, data);
return(materialImage);
}
bool TryLoadTileFile(int tileX, int tileY, TerrainTileData tileData)
{
var fullPath = TileFilePath(tileX, tileY);
if (!new File().FileExists(fullPath))
{
return(false);
}
var materialImage = new Image();
var loadError = materialImage.Load(fullPath);
if (loadError != Error.Ok)
{
PrintErr($"Failed to load terrain tile at \"{fullPath}\": {loadError}");
return(false);
}
if (materialImage.GetWidth() != TerrainTileData.Width || materialImage.GetHeight() != TerrainTileData.Height)
{
PrintErr($"Failed to load terrain tile at \"{fullPath}\": image is not {TerrainTileData.Width}x{TerrainTileData.Height}");
return(false);
}
TileDataFromMaterialImage(materialImage, tileData);
return(true);
}
void TileGenerate(int tileX, int tileY, TerrainTileData tileData)
{
for (var y = 0; y < TerrainTileData.Height; y++)
{
for (var x = 0; x < TerrainTileData.Width; x++)
{
// TODO
tileData[x, y] = new TerrainCell(TerrainMaterial.Air, (byte)(x & 0x3F), (byte)(y & 0x3F), 0);
}
}
}
void TileDataFromMaterialImage(Image materialImage, TerrainTileData tileData)
{
materialImage.Lock();
for (var y = 0; y < TerrainTileData.Height; y++)
{
for (var x = 0; x < TerrainTileData.Width; x++)
{
var pixel = materialImage.GetPixel(x, y);
var material = pixel.AsTerrainMaterial();
tileData[x, y] = new TerrainCell(material, (byte)(x & 0x3F), (byte)(y & 0x3F), 0);
}
}
materialImage.Unlock();
}
void SaveTileFile(int tileX, int tileY, TerrainTileData tileData)
{
Assert(!SaveChanges, $"Trying to save tile [{tileX}, {tileY}], but terrain is set as readonly");
var materialImage = MaterialImageFromTileData(tileData);
var fullPath = TileFilePath(tileX, tileY);
if (!new File().FileExists($"{fullPath}/.."))
{
var mkdirError = new Directory().MakeDirRecursive($"{fullPath}/..");
if (mkdirError != Error.Ok)
{
PrintErr($"Failed to save terrain tile at \"{fullPath}\": failed to create directory, error {mkdirError}");
}
var saveError = materialImage.SavePng(fullPath);
if (mkdirError != Error.Ok)
{
PrintErr($"Failed to save terrain tile at \"{fullPath}\": {saveError}");
}
}
}
