public void UpdateWorldImage(RectI area, bool isRenderedLayer = false, string renderMsg = "Render Update Complete.", WriteableBitmap img = null)
{
// validate area
area.Rebound(_world.Header.WorldBounds);
int width = area.Width;
int height = area.Height;
int rts = isRenderedLayer ? 8 : 1;
string renderProgressMsg = isRenderedLayer ? "Rendering Textured World..." : "Rendering Pixel World...";
if (img == null)
{
img = isRenderedLayer ? _worldImage.Rendered : _worldImage.Image;
}
var pixels = new BytePixels(area.Size * rts, 4);
var stride = img.PixelWidth * img.Format.BitsPerPixel / 8;
for (int x = area.X; x <= area.Right; x++)
{
int dx = x - area.X;
if (renderMsg != null)
{
OnProgressChanged(this, dx, width, renderProgressMsg);
}
for (int y = area.Y; y <= area.Bottom; y++)
{
int dy = y - area.Y;
Tile tile = _world.Tiles[x, y];
if (tile != null)
{
var xy = (new PointInt32(x, y) - area.TopLeft) * rts;
var bp = isRenderedLayer ? GetTexture(y, tile) : GetTextureLayer("TilePixel", y, tile);
bp.PutData(pixels, xy);
}
}
}
SizeInt32 ts = new SizeInt32(rts, rts);
var realArea = isRenderedLayer ? new RectI(new PointInt32(), area.Size * ts) : area; // Rendered layer starts at 0,0
img.Lock();
img.WritePixels(realArea, pixels.GetData(), stride, 0);
if (!isRenderedLayer)
{
img.AddDirtyRect(realArea);
}
img.Unlock();
if (renderMsg != null)
{
OnProgressChanged(this, 100, 100, renderMsg);
}
}
private BytePixels GetTextureLayer(string layerType, int y, Tile tile)
{
var size = 8;
var sizeI = new SizeInt32(size, size);
var pixels = new BytePixels(sizeI, 4);
var rect00 = new RectI(0, 0, sizeI);
string key = String.Empty;
switch (layerType)
{
case "TilePixel":
Color c = GetTileColor(y, tile);
var b = new byte[4];
b[0] = c.B;
b[1] = c.G;
b[2] = c.R;
b[3] = c.A;
pixels = new BytePixels(1, 1, b);
break;
case "Wall":
key = GetTileKey(y, tile, 'W');
if (textureCache.Contains(key))
{
return((BytePixels)textureCache.Get(key));
}
// FIXME: A complete wall is actually 16x16 big, with 3x3 variations, depending how many tiles exist //
if (tile.Wall > 0)
{
pixels = WorldSettings.Walls[tile.Wall].Texture.GetData(new RectI(166, 58, sizeI)); // tile with most coverage (will be eventually replaced per FIXME)
}
else
{
// FIXME: These are actually pretty large bitmaps //
// Might need to go on a WallsBack layer... //
if (y >= _world.Header.WorldBounds.Bottom - 192)
{
pixels = WorldSettings.GlobalColors["Hell"].Texture.GetData(rect00);
}
else if (y > _world.Header.WorldRockLayer)
{
pixels = WorldSettings.GlobalColors["Rock"].Texture.GetData(rect00);
}
else if (y > _world.Header.WorldSurface)
{
pixels = WorldSettings.GlobalColors["Earth"].Texture.GetData(rect00);
}
else
{
pixels = WorldSettings.GlobalColors["Sky"].Texture.GetData(rect00);
}
}
break;
case "TileBack":
key = GetTileKey(y, tile, 'T');
if (textureCache.Contains(key))
{
return((BytePixels)textureCache.Get(key));
}
// FIXME: Need XML property for larger than 8x8 sizes
if (tile.IsActive && !WorldSettings.Tiles[tile.Type].IsSolid)
{
var rect = (WorldSettings.Tiles[tile.Type].IsFramed) ?
new RectI(tile.Frame.X / 2, tile.Frame.Y / 2, sizeI) :
rect00;
pixels = WorldSettings.Tiles[tile.Type].Texture.GetData(rect);
}
break;
// FIXME: NPC layer would go here... //
case "TileFront":
key = GetTileKey(y, tile, 'T');
if (textureCache.Contains(key))
{
return((BytePixels)textureCache.Get(key));
}
// FIXME: Need XML property for larger than 8x8 sizes
if (tile.IsActive && WorldSettings.Tiles[tile.Type].IsSolid)
{
var rect = (WorldSettings.Tiles[tile.Type].IsFramed) ?
new RectI(tile.Frame.X / 2, tile.Frame.Y / 2, sizeI) :
rect00;
pixels = WorldSettings.Tiles[tile.Type].Texture.GetData(rect);
}
break;
case "Liquid":
key = GetTileKey(y, tile, 'L');
if (textureCache.Contains(key))
{
return((BytePixels)textureCache.Get(key));
}
if (tile.Liquid > 0)
{
// Should use Liquid levels to determine final height //
// Actually, bottom 4x4 should be for 255, and top 4x4 for anything else //
if (tile.IsLava)
{
pixels = WorldSettings.GlobalColors["Lava"].Texture.GetData(rect00);
}
else
{
pixels = WorldSettings.GlobalColors["Water"].Texture.GetData(rect00);
}
}
break;
}
// Cache policy for new cache items
var cachePolicy = new CacheItemPolicy();
cachePolicy.SlidingExpiration = new TimeSpan(0, 5, 0); // 5 minute duration if not used
if (shortKeyRegEx.IsMatch(key))
{
cachePolicy.Priority = CacheItemPriority.NotRemovable; // single unframed tiles and walls get perma-cached
}
textureCache.Add(key, pixels, cachePolicy);
return(pixels);
}