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git-svn-id: svn://svn.ijw.co.nz/svn/OpenRa@1236 993157c7-ee19-0410-b2c4-bb4e9862e678

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This commit is contained in:
chrisf
2007-07-14 07:43:50 +00:00
parent 4830edecf8
commit 73682d80d6
11 changed files with 42 additions and 40 deletions
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28
OpenRa.Game/Util.cs
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@@ -14,7 +14,7 @@ namespace OpenRa.Game
return x < range.Start ? range.Start : x > range.End ? range.End : x;
}
static PointF EncodeVertexAttributes(TextureChannel channel, int paletteLine)
static float2 EncodeVertexAttributes(TextureChannel channel, int paletteLine)
{
Converter<TextureChannel, float> channelEncoder = delegate(TextureChannel c)
{
@@ -29,15 +29,13 @@ namespace OpenRa.Game
}
};
return new PointF(paletteLine / 16.0f, channelEncoder(channel));
return new float2(paletteLine / 16.0f, channelEncoder(channel));
}
public static Vertex MakeVertex(PointF o, PointF uv, Sprite r, int palette)
public static Vertex MakeVertex(float2 o, float2 uv, Sprite r, int palette)
{
PointF farCorner = new PointF(o.X + r.bounds.Width, o.Y + r.bounds.Height);
return new Vertex(
Lerp( o, farCorner, uv ),
Lerp( o, o + new float2(r.bounds.Size), uv ),
r.MapTextureCoords(uv),
EncodeVertexAttributes(r.channel, palette));
}
@@ -47,26 +45,26 @@ namespace OpenRa.Game
return (1 - t) * a + t * b;
}
static PointF Lerp(PointF a, PointF b, PointF t)
static float2 Lerp(float2 a, float2 b, float2 t)
{
return new PointF(
return new float2(
Lerp(a.X, b.X, t.X),
Lerp(a.Y, b.Y, t.Y));
}
static PointF[] uv =
static float2[] uv =
{
new PointF( 0,0 ),
new PointF( 1,0 ),
new PointF( 0,1 ),
new PointF( 1,1 ),
new float2( 0,0 ),
new float2( 1,0 ),
new float2( 0,1 ),
new float2( 1,1 ),
};
public static void CreateQuad(List<Vertex> vertices, List<ushort> indices, PointF o, Sprite r, int palette)
public static void CreateQuad(List<Vertex> vertices, List<ushort> indices, float2 o, Sprite r, int palette)
{
ushort offset = (ushort)vertices.Count;
foreach( PointF p in uv )
foreach( float2 p in uv )
vertices.Add(Util.MakeVertex(o, p, r, palette));
indices.Add(offset);