public void Render(ICanvas canvas, int width, int height, IPixelMapper pixelMapper)
{
if (_terrainMap.IsEmpty())
{
canvas.DrawRect(0, 0, pixelMapper.ViewPortWidth, pixelMapper.ViewPortHeight, new PaintBrush {
Style = PaintStyle.Fill, Color = TerrainColourLookup.DefaultColour
});
return;
}
// Draw any non-grass cells
foreach (Terrain terrain in _terrainMap)
{
Color colour = TerrainColourLookup.GetTerrainColour(terrain);
(int x, int y) = pixelMapper.CoordsToViewPortPixels(terrain.Column, terrain.Row);
canvas.DrawRect(x, y, _gameParameters.CellSize, _gameParameters.CellSize, new PaintBrush {
Style = PaintStyle.Fill, Color = colour
});
// Debug, this draws coord and height onto cells
//canvas.DrawText($"{terrain.Column},{terrain.Row}", x + 2, y + 0.3f * _gameParameters.CellSize, new PaintBrush { Style = PaintStyle.Fill, Color = Colors.Black });
//canvas.DrawText($"{terrain.Height}", x + 2, y + 0.7f * _gameParameters.CellSize, new PaintBrush { Style = PaintStyle.Fill, Color = Colors.Black });
}
_dirty = false;
}
public void Render(ICanvas canvas, int width, int height, IPixelMapper pixelMapper)
{
canvas.DrawRect(0, 0, pixelMapper.ViewPortWidth, pixelMapper.ViewPortHeight, new PaintBrush {
Style = PaintStyle.Fill, Color = TerrainColourLookup.DefaultColour
});
if (_terrainMap.IsEmpty())
{
return;
}
// Draw any non-grass cells
foreach (Terrain terrain in _terrainMap)
{
(int x, int y, bool onScreen) = pixelMapper.CoordsToViewPortPixels(terrain.Column, terrain.Row);
if (!onScreen)
{
continue;
}
Color colour = TerrainColourLookup.GetTerrainColour(terrain);
if (colour == TerrainColourLookup.DefaultColour)
{
continue;
}
canvas.DrawRect(x, y, pixelMapper.CellSize, pixelMapper.CellSize, new PaintBrush {
Style = PaintStyle.Fill, Color = colour
});
}
_dirty = false;
}
public bool TryGetTerrainImage([NotNullWhen(true)] out IImage?image)
{
if (_terrainMap.IsEmpty())
{
image = null;
return(false);
}
if (_dirty == true || _terrainImage == null)
{
// Should we be getting this from here?
int columns = _terrainMap.Max(x => x.Column);
int rows = _terrainMap.Max(x => x.Row);
// If we try to build before we know the size of the world, stay marked as dirty/null
if (columns < 1 || rows < 1)
{
image = null;
return(false);
}
_terrainImage = BuildTerrainImage(columns, rows);
_dirty = false;
}
image = _terrainImage;
return(true);
}