public byte[] MatImgToPng(MaterialImage img)
{
using (Bitmap bmp = new Bitmap(img.Width, img.Height))
{
BitmapData bdat = bmp.LockBits(new Rectangle(0, 0, bmp.Width, bmp.Height), ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
int stride = bdat.Stride;
// Surely there's a better way to do this!
unsafe
{
byte *ptr = (byte *)bdat.Scan0;
for (int x = 0; x < img.Width; x++)
{
for (int y = 0; y < img.Height; y++)
{
FastColor tcol = img.GetAt(x, y);
ptr[(x * 4) + y * stride + 0] = tcol.B;
ptr[(x * 4) + y * stride + 1] = tcol.G;
ptr[(x * 4) + y * stride + 2] = tcol.R;
ptr[(x * 4) + y * stride + 3] = tcol.A;
}
}
}
using (DataStream ds = new DataStream())
{
bmp.Save(ds, ImageFormat.Png);
return(ds.ToArray());
}
}
}
FastColor Multiply(FastColor one, FastColor two)
{
return(new FastColor()
{
R = (byte)((one.R * two.R) / 255),
G = (byte)((one.G * two.G) / 255),
B = (byte)((one.B * two.B) / 255),
A = (byte)((one.A * two.A) / 255)
});
}
FastColor Blend(FastColor one, FastColor two)
{
int a2 = 255 - one.A;
return(new FastColor()
{
R = (byte)(((one.R * one.A) / 255) + ((two.R * a2) / 255)),
G = (byte)(((one.G * one.A) / 255) + ((two.G * a2) / 255)),
B = (byte)(((one.B * one.A) / 255) + ((two.B * a2) / 255)),
A = (byte)Math.Min(one.A + two.A, 255)
});
}
public byte[] GetChunkRenderLD(WorldSystem.Region tregion, int tx, int ty, int tz)
{
int wid = Constants.CHUNK_WIDTH;
int divvy = GetDividerForZ(tz) * Constants.CHUNK_WIDTH;
MaterialImage bmp = GenerateSeedImageBmp(tregion, tx * divvy, ty * divvy, (tx + 1) * divvy, (ty + 1) * divvy, wid);
KeyValuePair <byte[], byte[]> bitters = tregion.ChunkManager.GetTopsHigher(tx, ty, tz);
byte[] bits = bitters.Key;
byte[] bits_trans = bitters.Value;
if (bits == null || bits_trans == null)
{
return(MatImgToPng(bmp));
}
for (int x = 0; x < Constants.CHUNK_WIDTH; x++)
{
for (int y = 0; y < Constants.CHUNK_WIDTH; y++)
{
int ind = tregion.TopsHigherBlockIndex(x, y);
ushort mat = Utilities.BytesToUshort(Utilities.BytesPartial(bits, ind * 2, 2));
FastColor fc;
if (mat == 0)
{
fc = new FastColor()
{
A = 0
};
}
else
{
MaterialImage imag = MaterialImages[mat];
fc = imag.GetAt(0, 0);
}
for (int i = 3; i >= 0; i--)
{
mat = Utilities.BytesToUshort(Utilities.BytesPartial(bits_trans, ind * 2 * 4, 2));
if (mat != 0)
{
MaterialImage simag = MaterialImages[mat];
FastColor fc2 = simag.Colors[0];
fc = Blend(fc2, fc);
}
}
fc = Blend(fc, bmp.GetAt(x, y));
bmp.SetAt(x, y, fc);
}
}
// TODO: Add entity icons? (Trees in particular!)
return(MatImgToPng(bmp));
}
public byte[] GetChunkRenderHD(WorldSystem.Region tregion, int tx, int ty, bool fullzoom)
{
const int wid = TexWidth * Constants.CHUNK_WIDTH;
MaterialImage bmp = new MaterialImage()
{
Colors = new FastColor[wid * wid], Width = wid, Height = wid
};
KeyValuePair <byte[], byte[]> bitters = tregion.ChunkManager.GetTops(tx, ty);
byte[] xp = null;
byte[] xm = null;
byte[] yp = null;
byte[] ym = null;
if (!fullzoom)
{
xp = tregion.ChunkManager.GetTops(tx + 1, ty).Key;
xm = tregion.ChunkManager.GetTops(tx - 1, ty).Key;
yp = tregion.ChunkManager.GetTops(tx, ty + 1).Key;
ym = tregion.ChunkManager.GetTops(tx, ty - 1).Key;
}
byte[] bits = bitters.Key;
byte[] bits_trans = bitters.Value;
if (bits == null || bits_trans == null)
{
return(null);
}
for (int x = 0; x < Constants.CHUNK_WIDTH; x++)
{
for (int y = 0; y < Constants.CHUNK_WIDTH; y++)
{
int ind = tregion.TopsHigherBlockIndex(x, y);
ushort mat = Utilities.BytesToUshort(Utilities.BytesPartial(bits, ind * 2, 2));
MaterialImage imag = MaterialImages[mat];
if (fullzoom)
{
for (int sx = 0; sx < TexWidth; sx++)
{
for (int sy = 0; sy < TexWidth; sy++)
{
FastColor fc = imag.GetAt(sx, sy);
fc.A = 255;
for (int i = 3; i >= 0; i--)
{
ushort smat = Utilities.BytesToUshort(Utilities.BytesPartial(bits_trans, (ind * 4 + i) * 2, 2));
if (smat != 0)
{
MaterialImage simag = MaterialImages[smat];
FastColor fc2 = simag.GetAt(sx, sy);
fc = Blend(fc2, fc);
}
}
bmp.SetAt(x * TexWidth + sx, y * TexWidth + sy, fc);
}
}
}
else
{
int height = Utilities.BytesToInt(Utilities.BytesPartial(bits, CWCW2 + ind * 4, 4));
FastColor fc = imag.GetAt(0, 0);
fc.A = 255;
for (int i = 3; i >= 0; i--)
{
ushort smat = Utilities.BytesToUshort(Utilities.BytesPartial(bits_trans, ind * 2 * 4, 2));
if (smat != 0)
{
MaterialImage simag = MaterialImages[smat];
FastColor fc2 = simag.Colors[0];
fc = Blend(fc2, fc);
}
}
FastColor lightened = fc;
lightened.R = (byte)Math.Min(lightened.R + 20, 255);
lightened.G = (byte)Math.Min(lightened.G + 20, 255);
lightened.B = (byte)Math.Min(lightened.B + 20, 255);
FastColor darkened = fc;
darkened.R = (byte)Math.Max(darkened.R - 20, 0);
darkened.G = (byte)Math.Max(darkened.G - 20, 0);
darkened.B = (byte)Math.Max(darkened.B - 20, 0);
FastColor doublelightened = fc;
doublelightened.R = (byte)Math.Min(doublelightened.R + 40, 255);
doublelightened.G = (byte)Math.Min(doublelightened.G + 40, 255);
doublelightened.B = (byte)Math.Min(doublelightened.B + 40, 255);
FastColor doubledarkened = fc;
doubledarkened.R = (byte)Math.Max(doubledarkened.R - 40, 0);
doubledarkened.G = (byte)Math.Max(doubledarkened.G - 40, 0);
doubledarkened.B = (byte)Math.Max(doubledarkened.B - 40, 0);
int relxp = x + 1 < Constants.CHUNK_WIDTH ? Utilities.BytesToInt(Utilities.BytesPartial(bits, CWCW2 + tregion.TopsHigherBlockIndex(x + 1, y) * 4, 4))
: (xp == null ? height : Utilities.BytesToInt(Utilities.BytesPartial(xp, CWCW2 + tregion.TopsHigherBlockIndex(0, y) * 4, 4)));
int relyp = y + 1 < Constants.CHUNK_WIDTH ? Utilities.BytesToInt(Utilities.BytesPartial(bits, CWCW2 + tregion.TopsHigherBlockIndex(x, y + 1) * 4, 4))
: (yp == null ? height : Utilities.BytesToInt(Utilities.BytesPartial(yp, CWCW2 + tregion.TopsHigherBlockIndex(x, 0) * 4, 4)));
int relxm = x - 1 >= 0 ? Utilities.BytesToInt(Utilities.BytesPartial(bits, CWCW2 + tregion.TopsHigherBlockIndex(x - 1, y) * 4, 4))
: (xm == null ? height : Utilities.BytesToInt(Utilities.BytesPartial(xm, CWCW2 + tregion.TopsHigherBlockIndex(Constants.CHUNK_WIDTH - 1, y) * 4, 4)));
int relym = y - 1 >= 0 ? Utilities.BytesToInt(Utilities.BytesPartial(bits, CWCW2 + tregion.TopsHigherBlockIndex(x, y - 1) * 4, 4))
: (ym == null ? height : Utilities.BytesToInt(Utilities.BytesPartial(ym, CWCW2 + tregion.TopsHigherBlockIndex(x, Constants.CHUNK_WIDTH - 1) * 4, 4)));
bmp.SetAt(x * 4 + 0, y * 4 + 0, ((relym < height) ? ((relxm < height) ? doublelightened : (relxm > height ? fc : lightened)) :
((relym > height) ? ((relxm < height) ? fc : ((relxm > height) ? doubledarkened : darkened)) : ((relxm < height) ? lightened : ((relxm > height) ? darkened : fc)))));
bmp.SetAt(x * 4 + 1, y * 4 + 0, (relym < height) ? lightened : ((relym > height) ? darkened : fc));
bmp.SetAt(x * 4 + 2, y * 4 + 0, (relym < height) ? lightened : ((relym > height) ? darkened : fc));
bmp.SetAt(x * 4 + 3, y * 4 + 0, (relym < height) ? ((relxp < height) ? doublelightened : ((relxp > height) ? fc : lightened)) :
((relym > height) ? ((relxp < height) ? fc : ((relxp > height) ? doubledarkened : darkened)) : ((relxp < height) ? lightened : ((relxp > height) ? darkened : fc))));
bmp.SetAt(x * 4 + 0, y * 4 + 1, (relxm < height) ? lightened : ((relxm > height) ? darkened : fc));
bmp.SetAt(x * 4 + 1, y * 4 + 1, fc);
bmp.SetAt(x * 4 + 2, y * 4 + 1, fc);
bmp.SetAt(x * 4 + 3, y * 4 + 1, (relxp < height) ? lightened : ((relxp > height) ? darkened : fc));
bmp.SetAt(x * 4 + 0, y * 4 + 2, (relxm < height) ? lightened : ((relxm > height) ? darkened : fc));
bmp.SetAt(x * 4 + 1, y * 4 + 2, fc);
bmp.SetAt(x * 4 + 2, y * 4 + 2, fc);
bmp.SetAt(x * 4 + 3, y * 4 + 2, (relxp < height) ? lightened : ((relxp > height) ? darkened : fc));
bmp.SetAt(x * 4 + 0, y * 4 + 3, (relxm < height) ? ((relyp < height) ? doublelightened : ((relyp > height) ? fc : lightened)) :
((relxm > height) ? ((relyp < height) ? lightened : ((relyp > height) ? doubledarkened : darkened)) : ((relyp < height) ? lightened : ((relyp > height) ? darkened : fc))));
bmp.SetAt(x * 4 + 1, y * 4 + 3, (relyp < height) ? lightened : ((relyp > height) ? darkened : fc));
bmp.SetAt(x * 4 + 2, y * 4 + 3, (relyp < height) ? lightened : ((relyp > height) ? darkened : fc));
bmp.SetAt(x * 4 + 3, y * 4 + 3, (relxp < height) ? ((relyp < height) ? doublelightened : ((relyp > height) ? fc : lightened))
: ((relxp > height) ? ((relyp < height) ? fc : ((relyp > height) ? doubledarkened : darkened)) : ((relyp < height) ? lightened : ((relyp > height) ? darkened : fc))));
}
}
}
// TODO: Add entity icons? (Trees in particular!)
return(MatImgToPng(bmp));
}
public void SetAt(int x, int y, FastColor c)
{
Colors[x + y * Width] = c;
}