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wow, it works!

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git-svn-id: svn://svn.ijw.co.nz/svn/OpenRa@1190 993157c7-ee19-0410-b2c4-bb4e9862e678
This commit is contained in:
chrisf
2007-07-13 09:15:06 +00:00
parent bbbb25909a
commit d37bab15d0
16 changed files with 136 additions and 57 deletions
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41
OpenRa.Game/Util.cs
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@@ -13,7 +13,7 @@ namespace OpenRa.Game
float u0 = (float)(s.origin.X + 0.5f) / (float)s.sheet.bitmap.Width;
float u1 = (float)(s.origin.X + s.size.Width) / (float)s.sheet.bitmap.Width;
return (u > 0) ? u1 : u0;// (1 - u) * u0 + u * u1;
return (u > 0) ? u1 : u0;
}
public static float V(SheetRectangle<Sheet> s, float v)
@@ -21,7 +21,7 @@ namespace OpenRa.Game
float v0 = (float)(s.origin.Y + 0.5f) / (float)s.sheet.bitmap.Height;
float v1 = (float)(s.origin.Y + s.size.Height) / (float)s.sheet.bitmap.Height;
return (v > 0) ? v1 : v0;// return (1 - v) * v0 + v * v1;
return (v > 0) ? v1 : v0;
}
public static Vertex MakeVertex(PointF o, float u, float v, SheetRectangle<Sheet> r)
@@ -29,7 +29,8 @@ namespace OpenRa.Game
float x2 = o.X + r.size.Width;
float y2 = o.Y + r.size.Height;
return new Vertex(Lerp(o.X, x2, u), Lerp(o.Y, y2, v), 0, U(r, u), V(r, v));
return new Vertex(Lerp(o.X, x2, u), Lerp(o.Y, y2, v), 0, U(r, u), V(r, v),
0, 1);
}
static float Lerp(float a, float b, float t)
@@ -54,5 +55,39 @@ namespace OpenRa.Game
indices.Add((ushort)(offset + 3));
indices.Add((ushort)(offset + 2));
}
public static void CopyIntoChannel(Bitmap bitmap, TextureChannel channel, byte[] src, SheetRectangle<Sheet> s)
{
for( int i = 0; i < s.size.Width; i++ )
for (int j = 0; j < s.size.Height; j++)
{
Point p = new Point(s.origin.X + i, s.origin.Y + j);
byte b = src[i + s.size.Width * j];
Color original = bitmap.GetPixel(p.X, p.Y);
bitmap.SetPixel(p.X, p.Y, ReplaceChannel(original, channel, b));
}
}
static Color ReplaceChannel(Color o, TextureChannel channel, byte p)
{
switch (channel)
{
case TextureChannel.Red: return Color.FromArgb(o.A, p, o.G, o.B);
case TextureChannel.Green: return Color.FromArgb(o.A, o.R, p, o.B);
case TextureChannel.Blue: return Color.FromArgb(o.A, o.R, o.G, p);
case TextureChannel.Alpha: return Color.FromArgb(p, o.R, o.G, o.B);
default:
throw new ArgumentException();
}
}
}
enum TextureChannel
{
Red,
Green,
Blue,
Alpha,
}
}