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Add Alpha support to sequences.

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Alpha can specify a single value for the sequence
or values for each frame in the sequence.

AlphaFade: True can be specified to linearly fade
to transparent over the length of the animation.
This commit is contained in:
Paul Chote
2021-01-31 23:24:12 +00:00
committed by teinarss
parent 445d943549
commit 0975102e92
23 changed files with 189 additions and 78 deletions
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8
OpenRA.Game/Graphics/Animation.cs
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@@ -55,12 +55,13 @@ namespace OpenRA.Graphics
public IRenderable[] Render(WPos pos, WVec offset, int zOffset, PaletteReference palette)
{
var tintModifiers = CurrentSequence.IgnoreWorldTint ? TintModifiers.IgnoreWorldTint : TintModifiers.None;
var imageRenderable = new SpriteRenderable(Image, pos, offset, CurrentSequence.ZOffset + zOffset, palette, CurrentSequence.Scale, IsDecoration, tintModifiers);
var alpha = CurrentSequence.GetAlpha(CurrentFrame);
var imageRenderable = new SpriteRenderable(Image, pos, offset, CurrentSequence.ZOffset + zOffset, palette, CurrentSequence.Scale, alpha, float3.Ones, tintModifiers, IsDecoration);
if (CurrentSequence.ShadowStart >= 0)
{
var shadow = CurrentSequence.GetShadow(CurrentFrame, facingFunc());
var shadowRenderable = new SpriteRenderable(shadow, pos, offset, CurrentSequence.ShadowZOffset + zOffset, palette, CurrentSequence.Scale, true, tintModifiers);
var shadowRenderable = new SpriteRenderable(shadow, pos, offset, CurrentSequence.ShadowZOffset + zOffset, palette, CurrentSequence.Scale, 1f, float3.Ones, tintModifiers, true);
return new IRenderable[] { shadowRenderable, imageRenderable };
}
@@ -72,7 +73,8 @@ namespace OpenRA.Graphics
scale *= CurrentSequence.Scale;
var screenOffset = (scale * wr.ScreenVectorComponents(offset)).XY.ToInt2();
var imagePos = pos + screenOffset - new int2((int)(scale * Image.Size.X / 2), (int)(scale * Image.Size.Y / 2));
var imageRenderable = new UISpriteRenderable(Image, WPos.Zero + offset, imagePos, CurrentSequence.ZOffset + zOffset, palette, scale);
var alpha = CurrentSequence.GetAlpha(CurrentFrame);
var imageRenderable = new UISpriteRenderable(Image, WPos.Zero + offset, imagePos, CurrentSequence.ZOffset + zOffset, palette, scale, alpha);
if (CurrentSequence.ShadowStart >= 0)
{