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Add depth buffer support to sprites and sequences.

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This commit is contained in:
Paul Chote
2015-10-01 18:55:54 +01:00
parent 2634643d91
commit 2915db67c4
15 changed files with 44 additions and 39 deletions
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18
OpenRA.Game/Graphics/Sprite.cs
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@@ -20,24 +20,26 @@ namespace OpenRA.Graphics
public readonly Sheet Sheet;
public readonly BlendMode BlendMode;
public readonly TextureChannel Channel;
public readonly float2 Size;
public readonly float2 Offset;
public readonly float2 FractionalOffset;
public readonly float ZRamp;
public readonly float3 Size;
public readonly float3 Offset;
public readonly float3 FractionalOffset;
public readonly float Top, Left, Bottom, Right;
public Sprite(Sheet sheet, Rectangle bounds, TextureChannel channel)
: this(sheet, bounds, float2.Zero, channel) { }
: this(sheet, bounds, 0, float2.Zero, channel) { }
public Sprite(Sheet sheet, Rectangle bounds, float2 offset, TextureChannel channel, BlendMode blendMode = BlendMode.Alpha)
public Sprite(Sheet sheet, Rectangle bounds, float zRamp, float3 offset, TextureChannel channel, BlendMode blendMode = BlendMode.Alpha)
{
Sheet = sheet;
Bounds = bounds;
Offset = offset;
ZRamp = zRamp;
Channel = channel;
Size = new float2(bounds.Size);
Size = new float3(bounds.Size.Width, bounds.Size.Height, bounds.Size.Height * zRamp);
BlendMode = blendMode;
FractionalOffset = offset / Size;
FractionalOffset = Size.Z != 0 ? offset / Size :
new float3(offset.X / Size.X, offset.Y / Size.Y, 0);
Left = (float)Math.Min(bounds.Left, bounds.Right) / sheet.Size.Width;
Top = (float)Math.Min(bounds.Top, bounds.Bottom) / sheet.Size.Height;